CN220129556U - Feed guide mechanism and welding device - Google Patents

Abstract

This application relates to a feed guide mechanism and a welding device. The above-mentioned feeding guide mechanism includes a first guide plate, a middle baffle, a second guide plate and an adjustment assembly. The first guide plate, the middle baffle and the second guide plate are stacked in sequence and are movably connected to the adjustment assembly. The first guide plate It is enclosed with the middle baffle to form a first guide part, and the second guide plate is enclosed with the middle baffle to form a second guide part. The first guide part and the second guide part are used for feeding guide, and the adjusting assembly is used for adjusting the first guide part. The size of the gap between the guide part and the second guide part. The above-mentioned welding device and its feeding guide mechanism, through the arrangement of the first guide part and the second guide part, are conducive to limiting the position of the long filter material when feeding, realizing the alignment and clamping of the long filter material, and improving the welding quality and reduce the chance of poor welding.

Description

Feed guide mechanism and welding device

Technical field

The present application relates to the technical field of ultrasonic welding, and in particular to a feed guide mechanism and a welding device.

Background technique

With the development of engineering technology, ultrasonic welding technology has emerged. The ultrasonic welding machine transmits ultrasonic waves to the plastic processing parts through the welding head, causing the two plastic joint surfaces to generate severe friction due to the action of the ultrasonic waves. The frictional heat causes the plastic joint surfaces to melt. And complete the gluing.

For the welding of ordinary long filter materials, traditional ultrasonic welding clamping and positioning relies on manual pinching and positioning by visual inspection.

However, the traditional ultrasonic welding clamping and positioning method mentioned above is prone to the problem of poor welding.

Contents of the invention

Based on this, it is necessary to provide a feed guide mechanism and a welding device to solve the problem of poor welding.

A feed guide mechanism, the feed guide mechanism includes a first guide plate, an intermediate baffle, a second guide plate and an adjustment component, the first guide plate, the intermediate baffle and the second guide plate Stacked in sequence and movably connected to the adjustment assembly, the first guide plate and the middle baffle are enclosed to form a first guide portion, and the second guide plate and the middle baffle are enclosed to form a second guide part, the first guide part and the second guide part are used for feeding guide, and the adjustment component is used to adjust the gap size of the first guide part and the second guide part.

In one embodiment, the first guide plate includes a connected first pressure plate and a first side plate, the second guide plate includes a connected second pressure plate and a second side plate, and the first pressure plate Disposed opposite to the second pressure plate, such that the first side plate and the second side plate are respectively located on the away side of the first pressure plate and the second pressure plate, the middle baffle includes a third pressure plate , a third side plate and a fourth side plate, the third pressure plate is sandwiched between the first pressure plate and the second pressure plate, and the third side plate and the fourth side plate are both connected to the The third pressure plate is connected, and the third side plate faces the first side plate and forms the first guide portion. The fourth side plate faces the second side plate and forms the second side plate. Guidance Department.

In one embodiment, the first pressure plate has a first bending structure, the first bending structure is bent in a direction away from the middle baffle, and the first side plate has a second bending structure, The second bending structure is bent in a direction away from the third side plate.

In one embodiment, the second pressure plate has a third bending structure, the third bending structure is bent in a direction away from the middle baffle, and the second side plate has a fourth bending structure, The fourth bending structure is bent in a direction away from the fourth side plate.

In one embodiment, the adjustment assembly includes a base, a first adjustment assembly and a second adjustment assembly, and the first guide plate, the middle baffle and the second guide plate pass through the first adjustment assembly. And the second adjustment component is movably connected to the base, and the first adjustment component and the second adjustment component are used to adjust the width of the first guide part and the second guide part.

In one embodiment, the base includes a first installation end and a second installation end, and the first guide plate, the middle baffle and the second guide plate are provided with a first waist hole and a second through-hole. Two waist holes, the first waist hole is movably mounted on the first adjusting component, and the second waist hole is movably mounted on the second adjusting component.

In one embodiment, the adjustment assembly further includes a first pad and a second pad. The first pad is sandwiched between the first pressure plate and the middle baffle. The second pad Sandwiched between the second pressure plate and the middle baffle, the first pad and the second pad are used to adjust the heights of the first guide part and the second guide part respectively.

A welding device, including the feed guide mechanism described in any of the above embodiments, and also includes a workbench, a driving mechanism, an upper mold and a bottom mold, and the feed guide mechanism is installed on the table top of the workbench , the driving mechanism is connected with the upper mold, and the driving mechanism is used to drive the upper mold close to or away from the bottom mold.

In one embodiment, the feed guide mechanism includes a feed end and a discharge end, the feed guide mechanism is provided with a first gap, and the first gap is provided at the feed end and the discharge end. Between the material ends, the bottom mold is installed in the first gap and fixed to the feed guide mechanism. The bottom mold is opposite to the upper mold, and the feed guide mechanism is close to the discharge A second notch is provided at the end, and the second notch is provided between the first guide plate and the second guide plate.

In one embodiment, the bottom mold includes a support block and a welding part, the welding part is fixedly connected to the support block, and the welding part is opposite to the upper mold.

The above-mentioned welding device and its feeding guide mechanism, through the arrangement of the first guide part and the second guide part, are conducive to limiting the position of the long filter material when feeding, and realizing the alignment and clamping of the long filter material. Tight, improve welding quality and reduce the chance of poor welding.

Description of drawings

Figure 1 is a schematic structural diagram of the feed guide mechanism in an embodiment.

Figure 2 is an enlarged view of the structure of part A in Figure 1.

FIG. 3 is a schematic structural diagram of a welding device according to an embodiment.

10. Feed guide mechanism; 11. Feed end; 12. Discharge end; 13. First gap; 14. Second gap; 15. Reference edge; 20. Welding device; 21. Workbench; 22. Driving mechanism ; 23. Upper mold; 24. Bottom mold; 24a, support block; 24b, welding piece; 30. Long filter material; 100. First guide plate; 110. First pressure plate; 111. First bending structure; 120. First side panel; 121, second bending structure; 200, second guide plate; 210, second pressing plate; 211, third bending structure; 220, second side panel; 221, fourth bending structure; 300 , middle baffle; 310, third pressure plate; 320, third side plate; 330, fourth side plate; 400, adjustment component; 410, base; 411, first installation end; 412, second installation end; 420, First adjustment component; 430, second adjustment component; 440, first pad; 450, second pad; 460, third pad; 500, first guide portion; 600, second guide portion; 700, third One waist hole; 800, the second waist hole.

Detailed ways

In order to make the above objects, features and advantages of the present application more obvious and easy to understand, the specific implementation modes of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described here. Those skilled in the art can make similar improvements without violating the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

In the description of this application, it should be understood that if the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", " "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axis", "radial", "circumferential", etc., the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating Or it is implied that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation on the present application.

In addition, if the terms "first" and "second" appear, these terms are used for descriptive purposes only and cannot be understood as indicating or implying the relative importance or implicitly indicating the quantity of the indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of this application, if the term "plurality" appears, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

In this application, unless otherwise expressly stated and limited, if the terms "installation", "connection", "connection", "fixing", etc. appear, these terms should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection, or it can be integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. or the interaction between two elements, unless otherwise expressly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

In this application, unless otherwise explicitly stated and limited, if a first feature is "on" or "below" a second feature or similar descriptions, the meaning may be that the first and second features are in direct contact, or The first and second characteristics are in indirect contact through an intermediary. Furthermore, the terms "above", "above" and "above" the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "below" and "beneath" the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. If an element is said to be "connected" to another element, it can be directly connected to the other element or there may also be intervening elements present. If present, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and are not meant to be exclusive. implementation.

Referring to Figure 1, Figure 1 shows a schematic structural diagram of the feed guide mechanism 10 in an embodiment of the present application. The feed guide structure provided in an embodiment of the present application includes a first guide plate 100, an intermediate baffle 300, a The two guide plates 200 and the adjustment assembly 400, the first guide plate 100, the middle baffle 300 and the second guide plate 200 are stacked in sequence and movably connected to the adjustment assembly 400. The first guide plate 100 and the middle baffle 300 are enclosed to form a second guide plate 200 and an adjustment assembly 400. A guide part 500, the second guide plate 200 and the middle baffle 300 are enclosed to form a second guide part 600. The first guide part 500 and the second guide part 600 are used for feeding guide, and the adjusting assembly 400 is used for adjusting the first guide. The size of the gap between the first part 500 and the second guide part 600. Specifically, it should be noted that the sequential stacking of the first guide plate 100 , the middle baffle 300 and the second guide plate 200 refers to stacking from top to bottom, and the stacked first guide plate 100 , middle baffle 300 and second guide plate 200 are stacked. The baffle 300 and the second guide plate 200 are parallel to each other. In addition, the first guide part 500 and the second guide part 600 refer to the space for the long filter material 30 to enter. Taking the first guide part 500 as an example, the first guide plate 100 and the middle baffle 300 are enclosed to form a first The guide portion 500 refers to the sandwich space formed between the opposite plate surfaces of the first guide plate 100 and the middle baffle 300 .

The above-mentioned feeding guide mechanism 10, through the arrangement of the first guide part 500 and the second guide part 600, is conducive to limiting the position of the long filter material 30 when feeding, realizing the alignment and clamping of the long filter material 30, and improving Welding quality, reducing the chance of poor welding.

As shown in FIGS. 1 and 2 , in some embodiments, the first guide plate 100 includes a connected first pressure plate 110 and a first side plate 120 , and the second guide plate 200 includes a connected second pressure plate 210 and a first side plate 120 . The two side plates 220, the first pressure plate 110 and the second pressure plate 210 are arranged oppositely, so that the first side plate 120 and the second side plate 220 are respectively located on the away sides of the first pressure plate 110 and the second pressure plate 210, and the middle baffle 300 It includes a third pressure plate 310, a third side plate 320 and a fourth side plate 330. The third pressure plate 310 is sandwiched between the first pressure plate 110 and the second pressure plate 210. The third side plate 320 and the fourth side plate 330 are both connected with each other. The third pressure plate 310 is connected, the third side plate 320 faces the first side plate 120 and forms the first guide portion 500 , and the fourth side plate 330 faces the second side plate 220 and forms the second guide portion 600 .

Specifically, the first pressure plate 110 and the first side plate 120, and the second pressure plate 210 and the second side plate 220 are spliced or integrally formed. In addition, the third pressure plate 310, the third side plate 320 and the fourth side plate 330 can be integrally formed or spliced. Furthermore, the third pressure plate 310, the third side plate 320 and the fourth side plate 330 can be freely combined. Splicing, for example, as shown in Figure 2, the third pressure plate 310 includes an upper plate and a lower plate that are stacked and fixedly connected, the third side plate 320 is connected to the upper plate, and the fourth side plate 330 is connected to the lower plate, or the third pressure plate 310 is a plate, and the third side plate 320 and the fourth side plate 330 are connected to the same side of the plate at the same time. It should be noted that the above-mentioned third side plate 320 and the first side plate 120 are opposite to each other means that the third side plate 320 is placed on one side of the first side plate 120, and the surface of the third side plate 320 is in contact with the first side plate. The surfaces of the plates 120 face each other. Similarly, the fact that the fourth side plate 330 and the second side plate 220 face each other means that the fourth side plate 330 is placed on one side of the second side plate 220 , and the surface of the fourth side plate 330 is in contact with the surface of the second side plate 220 . The boards face each other. The above arrangement facilitates the sandwiching of the first guide plate 100 and the middle baffle 300 to form the first guide part 500, the sandwiching of the second guide plate 200 and the middle baffle 300 to form the second guide part 600, and the above-mentioned first guide part 500 And the second guide portion 600 extends toward the length direction of the middle baffle 300 . Furthermore, the arrangement of the third pressure plate 310 sandwiched between the first pressure plate 110 and the second pressure plate 210 facilitates the feeding guide mechanism 10 to compress and flatten the long filter material 30 in the vertical direction during feeding. , through the arrangement of the third side plate 320 facing the first side plate 120 and the fourth side plate 330 facing the second side plate 220 , it is beneficial to compress the long filter material 30 in the length direction of the vertical middle baffle 300 Flattening is beneficial to achieve compaction and alignment of the long filter material 30, improve welding quality and production efficiency, and reduce production labor intensity.

Further, as shown in FIGS. 1 and 2 , in one embodiment, the first pressure plate 110 has a first bending structure 111 , and the first bending structure 111 is bent in a direction away from the middle baffle 300 , and the first side plate 120 has a second bending structure 121, and the second bending structure 121 is bent in a direction away from the third side plate 320. Furthermore, the second pressure plate 210 has a third bending structure 211 , and the third bending structure 211 is bent in a direction away from the middle baffle 300 . The second side plate 220 has a fourth bending structure 221 . The fourth bending structure 221 is bent away from the fourth side plate 330 . Specifically, through the arrangement of the first bending structure 111 and the second bending structure 121, it is beneficial to expand the feed opening between the first guide plate 100 and the intermediate baffle 300 on the side close to the feed end 11. the size of. Furthermore, through the arrangement of the above-mentioned third bending structure 211 and the fourth bending structure 221, it is beneficial to expand the feed opening between the second guide plate 200 and the intermediate baffle 300 at one end close to the feeding opening. size. The above arrangement is beneficial to improving the operational convenience of the feeding guide mechanism 10 when the long filter material 30 is fed.

Further, as shown in FIGS. 1 and 2 , in one embodiment, the adjustment assembly 400 includes a base 410 , a first adjustment assembly 420 and a second adjustment assembly 430 , a first guide plate 100 , an intermediate baffle 300 and a second adjustment assembly 430 . The guide plate 200 is movably connected to the base 410 through the first adjustment component 420 and the second adjustment component 430. The first adjustment component 420 and the second adjustment component 430 are used to adjust the width of the first guide part 500 and the second guide part 600. Specifically, the first adjustment assembly 420 and the second adjustment assembly 430 are used to connect the entire stack of the first guide plate 100, the middle baffle 300 and the second guide plate 200 to both ends of the base 410, and with the base. 410 active connections. Furthermore, the above-mentioned movable connection can be realized by a slider slide rail fit or a slider chute fit. Therefore, the first adjustment component 420 and the second adjustment component 430 can be understood as a slider slide rail or a slider chute. and other components. Through the above-mentioned arrangement of the first adjustment component 420 and the second adjustment component 430, it is beneficial to change the horizontal position of the first guide plate 100, the middle baffle 300 and the second guide plate 200 relative to the base 410, thereby realizing the first guide part 500 and The adjustment of the width of the second guide part 600 is beneficial to adjusting the folding height of the long filter material 30 when the feed guide mechanism 10 is in use.

Further, in one embodiment, the base 410 includes a first installation end 411 and a second installation end 412 . The first guide plate 100, the middle baffle 300 and the second guide plate 200 are provided with a first waist hole 700 and a second waist hole 800 that penetrate through. The first waist hole 700 is movably mounted on the first adjustment component 420, and the second waist hole 700 is movably mounted on the first adjustment component 420. The hole 800 is movably mounted on the second adjustment component 430 .

In this embodiment, the first adjustment component 420 and the second adjustment component 430 may be rods or columns. The first guide plate 100, the middle baffle 300 and the second guide plate 200 can be clamped on the above-mentioned rod or column through the first waist hole 700 and the second waist hole 800, and slide relative to the above-mentioned rod or column to achieve the position. adjustment. The above arrangement is conducive to adjusting the position of the long filter material 30 to improve the flexibility of the positioning of the long filter material 30 by the feed guide mechanism 10 .

Further, as shown in FIG. 1 , in one embodiment, the adjustment assembly 400 further includes a first pad 440 and a second pad 450 . The first pad 440 is sandwiched between the first pressure plate 110 and the middle baffle 300 . The second pad 450 is sandwiched between the second pressure plate 210 and the middle baffle 300 . The first pad 440 and the second pad 450 are used to adjust the heights of the first guide part 500 and the second guide part 600 respectively.

It should be noted that the first guide part 500 extends through the space between the first pad 440 and the third side plate 320 , and the second guide part 600 extends through the second pad 450 and the fourth side plate 330 the space between. Therefore, this arrangement facilitates the long filter material 30 to pass smoothly without being interfered by the first pad 440 and the second pad 450 when being fed. Through the first pad 440 and the second pad 450, it is helpful to adjust the height of the first guide part 500 and the second guide part 600 in the vertical direction, thereby improving the ability of the feed guide mechanism 10 to handle long materials with different thicknesses. The adaptability of filter material 30.

As shown in FIGS. 1 and 3 , this application also provides a welding device 20 , which includes the feed guide mechanism 10 of any of the above embodiments, and also includes a workbench 21 , a driving mechanism 22 , an upper mold 23 and a bottom mold 24 , the feed guide mechanism 10 is installed on the table top of the workbench 21, the driving mechanism 22 is connected with the upper mold 23, and the driving mechanism 22 is used to drive the upper mold 23 close to or away from the bottom mold 24.

Further, as shown in FIG. 1 , in one embodiment, the bottom mold 24 includes a support block 24 a and a welding part 24 b. The welding part 24 b is fixedly connected to the support block 24 a. The welding part 24 b is opposite to the upper mold 23 . Specifically, the welding member 24b has different shapes, such as a long rack shape, or a long bar without teeth. Preferably, in this embodiment, the welding member 24b is in the shape of a long strip with teeth.

The above-mentioned welding device 20, through the setting of the feeding guide mechanism 10, is conducive to limiting the long filter material 30 when feeding, realizing the alignment and clamping of the long filter material 30, improving the welding quality and production efficiency, and reducing production Labor intensity.

When the above-mentioned welding device 20 is used, according to the thickness of the long filter material 30, the thickness of the first pad 440 and the second pad 450 is first adjusted to change the vertical direction of the first guide part 500 and the second guide part 600. size; according to the folding height requirement of the filter material, first fix the long filter material 30, and then push the first guide plate 100, the middle baffle 300 and the second guide plate 200 along the direction of the X-axis in Figure 2, so that the first guide plate The plate 100, the middle baffle 300 and the second guide plate 200 move forward and backward relative to the first adjustment component 420 and the second adjustment component 430 through the first waist hole 700 and the second waist hole 800. During the movement, the feed can be guided. The mechanism 10 moves relative to the long filter material 30, thereby adjusting the folding height of the long filter material 30. After the folding height of the long filter material 30 is adjusted, the first guide plate 100, the middle baffle 300 and the second guide plate 200 can be continued to be pushed to adjust the position of the long filter material 30 relative to the welding part 24b in the X-axis direction. This enables the upper mold 23 to perform welding operations on different positions of the long filter material 30 . After completing the above adjustment, the long filter material 30 is fed from the feed end 11 through the first guide part 500 and the second guide part 600. When a section of the long filter material 30 enters the first gap 13, the driving mechanism 22 drives The upper mold 23 is close to the welding part 24b for welding operation. When the welding of one section is completed from the first section, the driving mechanism 22 drives the upper mold 23 away from the welding part 24b, continues to feed material forward, and repeats the welding step until the entire section is long. After the welding of the filter material 30 is completed, the long filter material 30 passes through the second gap 14 and is sent out from the discharge end 12 .

As shown in FIG. 1 , FIG. 2 and FIG. 3 , in one embodiment, the feed guide mechanism 10 is also provided with a reference edge 15 , and the reference edge 15 refers to the first guide plate 100 , the middle baffle 300 and the second The guide plate 200 has edges on the same vertical plane. The reference edge 15 is used to align the two sides of the long filter material 30 placed on the first guide part 500 and the second guide part 600. Further, when the material is fed to When the first pad 440 and the second pad 450 are close to the first installation end 411 side, the first pad 440 and the third side plate 320, the second pad 450 and the fourth side plate 330 can handle the long filter material. 30 is limited and clamped, so that the width of the long filter material 30 placed on the first guide part 500 and the second guide part 600 remains consistent, that is, the alignment of the long filter material 30 is achieved, and the welding quality of the welding device 20 is improved. .

The technical features of the above-described embodiments can be combined in any way. To simplify the description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, All should be considered to be within the scope of this manual.

The above-described embodiments only express several implementation modes of the present application, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all fall within the protection scope of the present application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims (10)

1. A feed guide mechanism, characterized in that the feed guide mechanism includes a first guide plate, a middle baffle, a second guide plate and an adjustment assembly, the first guide plate, the middle baffle and The second guide plates are stacked in sequence and are movably connected to the adjustment assembly. The first guide plates and the middle baffle are enclosed to form a first guide portion. The second guide plate and the middle baffle are Enclosed to form a second guide part, the first guide part and the second guide part are used to guide the feed, and the adjustment component is used to adjust the gap size of the first guide part and the second guide part. . 2. The feed guide mechanism according to claim 1, wherein the first guide plate includes a connected first pressure plate and a first side plate, and the second guide plate includes a connected second pressure plate. The first pressure plate and the second pressure plate are arranged opposite to the second side plate, and the first side plate and the second side plate are respectively located away from the first pressure plate and the second pressure plate. side, the middle baffle includes a third pressure plate, a third side plate and a fourth side plate, the third pressure plate is sandwiched between the first pressure plate and the second pressure plate, the third side plate and the fourth side plate are connected to the third pressure plate, and the third side plate is opposite to the first side plate and forms the first guide portion, and the fourth side plate and the The second side plates face each other and form the second guide portion. 3. The feed guide mechanism according to claim 2, wherein the first pressure plate has a first bending structure, and the first bending structure is bent in a direction away from the intermediate baffle, and the The first side panel has a second bending structure, and the second bending structure is bent in a direction away from the third side panel. 4. The feed guide mechanism according to claim 3, wherein the second pressure plate has a third bending structure, and the third bending structure is bent in a direction away from the intermediate baffle, and the The second side plate has a fourth bending structure, and the fourth bending structure is bent in a direction away from the fourth side plate. 5. The feed guide mechanism according to claim 2, wherein the adjustment assembly includes a base, a first adjustment assembly and a second adjustment assembly, the first guide plate, the intermediate baffle and the The second guide plate is movably connected to the base through the first adjustment component and the second adjustment component, and the first adjustment component and the second adjustment component are used to adjust the first guide part and the The width of the second guide part. 6. The feed guide mechanism according to claim 5, wherein the base includes a first installation end and a second installation end, the first guide plate, the intermediate baffle and the second guide plate The plate is provided with a penetrating first waist hole and a second waist hole. The first waist hole is movably fastened to the first adjustment component, and the second waist hole is movably fastened to the second adjustment component. 7. The feed guide mechanism according to claim 5, wherein the adjustment assembly further includes a first pad and a second pad, and the first pad is sandwiched between the first pressure plate and the first pad. The middle baffle, the second backing plate is sandwiched between the second pressure plate and the middle baffle, the first backing plate and the second backing plate are used to adjust the first guide part and the middle baffle respectively. The height of the second guide part. 8. A welding device, characterized in that it includes the feed guide mechanism according to any one of the above claims 1-7, and also includes a workbench, a driving mechanism, an upper mold and a bottom mold, and the feed guide mechanism The mechanism is installed on the table top of the workbench, the driving mechanism is connected with the upper mold, and the driving mechanism is used to drive the upper mold close to or away from the bottom mold. 9. The welding device according to claim 8, wherein the feed guide mechanism includes a feed end and a discharge end, the feed guide mechanism is provided with a first gap, and the first gap is located on Between the feed end and the discharge end, the bottom mold is installed in the first gap and fixed to the feed guide mechanism. The bottom mold is opposite to the upper mold. The feed guide mechanism is provided with a second notch near the discharge end, and the second notch is provided between the first guide plate and the second guide plate. 10. The welding device according to claim 9, wherein the bottom mold includes a support block and a welding part, the welding part is fixedly connected to the support block, and the welding part is opposite to the upper mold. .