CN220242127U - Cavity finger die - Google Patents

Abstract

The utility model discloses a cavity finger die which comprises a first upper die and a first lower die, wherein a first die cavity is arranged between the first upper die and the first lower die, and the cavity finger die further comprises a first die core rod, a first buckle plate and a first die core section, a first clamping groove matched with the first buckle plate is arranged between the first upper die and the first lower die, the first die core rod is fixedly connected with the first buckle plate, the first die core section is detachably connected with the first die core rod, and the first die core section is positioned in the first die cavity. The utility model has the beneficial effects that: through respectively taking out first mandrel pole and first mold core section from inside the silica gel work piece respectively to can more conveniently adjust the angle at the in-process of taking out first mold core section, make things convenient for taking out of first mandrel pole and first mold core section, the problem that the mould subassembly can't take out in the work piece when having overcome the complicated inner chamber of processing, thereby reached the function that can process complicated inner chamber.

Description

A kind of cavity finger mold

Technical field

The utility model relates to the technical field of molds, in particular to a cavity finger mold.

Background technique

The Chinese utility model patent with announcement number CN216400223U discloses a modular pneumatic soft human-like finger that achieves segmental bending and its mold. The finger includes a plurality of bionic knuckles connected in sequence through magnetic attraction. Each bionic knuckle includes A closed cavity made of silicone material and a trachea connected to the inside of the closed cavity. The closed cavity is a cylindrical cavity with an arched cross-section. The planar portion of the side wall of the closed cavity is provided with a limiter on the axial extension. A strain limiting layer, a fiber winding layer that restricts radial expansion is provided inside the arcuate portion of the side wall of the closed cavity, so that the closed cavity bends toward the side of the strain limiting layer when inflated; the mold includes A first mold and a second mold. A cavity rod is provided in the inner cavity of the first mold. The cavity rod has an arched cross-section. The inner cavity of the second mold has the same shape as the inner cavity of the first mold. The cross-sectional shapes are all arched, and the cross-sectional area of the second mold is larger than the cross-sectional area of the first mold cavity, so that the injection molded parts molded in the first mold can be placed in the second mold cavity. .

The cavity soft robot finger is a silicone product with a particularly complex structure, and it is often necessary to set up cavities with complex structures and different extension directions in the robot finger. Although the above-mentioned mold can use the cavity rod to process the inner parts of the product, However, if the cavity rod is configured to extend in different directions, the cavity rod will be stuck and cannot be taken out, causing the problem of inability to produce. Therefore, there is a problem that molds in the prior art cannot process complex inner cavities.

Utility model content

In order to solve the above technical problems, the purpose of this utility model is to provide a cavity finger mold, which includes a first upper mold, a first lower mold, a first mold core rod, a first buckle plate and a first mold core section. Cavity finger molds have the advantage of being able to process complex internal cavities.

In order to achieve the above-mentioned purpose of the utility model, the technical solutions adopted by the utility model are as follows:

A hollow finger mold includes a first upper mold and a first lower mold. A first mold cavity is provided between the first upper mold and the first lower mold. It also includes a first mold core rod and a first buckle plate. and a first mold core section. A first slot is provided between the first upper mold and the first lower mold to cooperate with the first gusset plate. The first mold core rod is fixedly connected to the first gusset plate. The first mold core section is detachably connected to the first mold core rod, and the first mold core section is located in the first mold cavity.

Through such an arrangement: by taking out the first mold core rod and the first mold core section respectively from the inside of the silicone workpiece, the angle can be adjusted more conveniently during the process of taking out the first mold core section, making it convenient for the first mold core rod and the first mold core section. The removal of the first mold core section overcomes the problem that the mold component cannot be taken out of the workpiece when processing complex inner cavities, thereby achieving the function of being able to process complex inner cavities.

Preferably, a side plate is provided between the first upper mold and the first lower mold, and the side plate extends into the first mold cavity.

With such an arrangement, the first mold core section can be taken out through the opening, which facilitates the first mold core section and further facilitates the processing of silicone workpieces with complex inner cavities.

Preferably, it also includes a second upper mold, a second lower mold, a second mold core rod, a second mold core section and a second buckle plate, and a second mold is provided between the second upper mold and the second lower mold. The second upper mold and the second lower mold are provided with a second slot that cooperates with the second gusset plate, the second mold core rod is fixedly connected to the second gusset plate, and the second mold core The section is detachably connected to the second mold core rod, and the second mold core section is located in the second mold cavity.

Through such a setting, it is possible to easily take out the second mold core section, and further facilitate the processing of silicone workpieces with complex inner cavities.

Preferably, at least two second mold core rods are provided.

Through such a setting, silicone workpieces with more complex inner cavity structures can be processed, and the second core section can be easily removed.

Preferably, a plurality of second mold core sections are provided on the second mold core rod.

Through such a setting, silicone workpieces with more complex inner cavity structures can be processed, and the second core section can be easily removed.

Preferably, the side plates are fixedly connected with positioning bars, and the positioning bars are respectively engaged with the first upper mold and the first lower mold.

Through such a setting, the accuracy of the side plate position is ensured, thereby ensuring the processing accuracy of the opening.

Preferably, the side plate includes a connection part and a molding part, the connection part and the molding part are fixedly connected, the connection part is located outside the first mold cavity and is respectively engaged with the first upper mold and the first lower mold, so The molded part extends into the first mold cavity, and the thickness of the molded part is smaller than the thickness of the connecting part.

Through such an arrangement: the thickness of the connecting part is larger than that of the forming part, so that the connecting part has better structural strength and the overall structural stability of the side plate can be ensured during processing.

Preferably, at least two first mold core rods are provided in total, and a plurality of first mold core sections are provided in total, and the plurality of first mold core sections are respectively provided on two first mold core rods.

Through such a setting, silicone workpieces with more complex inner cavity structures can be processed, and the first core section can be easily removed.

Preferably, at least two first buckle plates are provided in total, and the at least two first buckle plates correspond to at least two first mold core sections in a one-to-one manner.

Through such an arrangement, the function of separately taking out the first mold core rods from the silicone workpiece is realized, which facilitates the removal of the first mold core rods.

Preferably, a plurality of first mold core sections are provided on the first mold core rod.

Through such a setting, silicone workpieces with more complex inner cavity structures can be processed, and the first core section can be easily removed.

Compared with the existing technology, this utility model has achieved beneficial technical effects:

1. By taking out the first mold core rod and the first mold core section respectively from the inside of the silicone workpiece, it is possible to prevent the first mold core rod from being stuck by the first mold core section and unable to be taken out. After taking out the first mold core section, During the process, the angle can be adjusted more conveniently, which facilitates the removal of the first mold core rod and the first mold core section. It overcomes the problem that the mold component cannot be taken out from the workpiece when processing complex inner cavities, thereby achieving the goal of processing complex inner cavities. function.

2. During the production process of the mold, the first core rod and the first core section can be processed separately, which can facilitate the processing of more complex core sections and enable the core sections to process silicone workpieces with more complex internal shapes. It further facilitates the processing of silicone workpieces with complex inner cavities.

Description of drawings

Figure 1 is a schematic structural diagram of the first mold cavity, the first core section and the side plate in the embodiment of the present invention;

Figure 2 is a schematic disassembly view of the first upper mold and the first lower mold in the embodiment of the present utility model;

Figure 3 is a schematic structural diagram of the second mold cavity and the second mold core section in the embodiment of the present invention;

Figure 4 is a disassembled schematic diagram of the second upper mold and the second lower mold in the embodiment of the present invention.

Among them, the technical features referred to by each reference symbol are as follows:

11. The first upper mold; 12. The first lower mold; 13. The first mold cavity; 14. The first slot; 15. The first mold core rod; 16. The first buckle plate; 17. The first mold core section ; 21. The second upper mold; 22. The second lower mold; 23. The second mold cavity; 24. The second slot; 25. The second mold core rod; 26. The second buckle plate; 27. The second mold core section; 31, side plate; 32, positioning strip; 33, connecting part; 34, molding part.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the utility model will be further described in detail below in conjunction with the embodiments. However, the scope of protection claimed by the utility model is not limited to the following specific embodiments.

Referring to Figures 1 and 2, a cavity finger mold includes a first upper mold 11 and a first lower mold 12. A first mold cavity 13 is provided between the first upper mold 11 and the first lower mold 12. It also includes The first mold core rod 15, the first buckle plate 16 and the first mold core section 17 are provided with a first slot 14 that cooperates with the first buckle plate 16 between the first upper mold 11 and the first lower mold 12. A mold core rod 15 is fixedly connected to the first gusset plate 16. The first gusset plate 16 is located in the slot and is clipped with the first upper mold 11 and the first lower mold 12 respectively. The first mold core section 17 is connected to the first mold core section 17. The core rod 15 is detachably connected, the first mold core rod 15 is inserted into the first mold core section 17 , and the first mold core section 17 is located in the first mold cavity 13 . A side plate 31 is provided between the first upper mold 11 and the first lower mold 12 , and the side plate 31 extends into the first mold cavity 13 . The side plate 31 is fixedly connected with a positioning bar 32, and the positioning bar 32 is engaged with the first upper mold 11 and the first lower mold 12 respectively. The side plate 31 includes a connecting part 33 and a molding part 34. The connecting part 33 and the molding part 34 are fixedly connected. The connecting part 33 is located outside the first mold cavity 13 and is respectively engaged with the first upper mold 11 and the first lower mold 12. Molding The molding portion 34 extends into the first mold cavity 13 , and the thickness of the molding portion 34 is smaller than the thickness of the connecting portion 33 . At least two first mold core rods 15 are provided in total, and a plurality of first mold core sections 17 are provided in total. The plurality of first mold core sections 17 are respectively provided on the two first mold core rods 15 . There are at least two first buckle plates 16 provided in total, and the at least two first buckle plates 16 correspond to the at least two first mold core rods 15 respectively. A plurality of first mold core sections 17 are provided on the first mold core rod 15 .

Referring to Figures 3 and 4, it also includes a second upper mold 21, a second lower mold 22, a second mold core rod 25, a second mold core section 27 and a second buckle plate 26. The second upper mold 21 and the second lower mold A second mold cavity 23 is provided between the molds 22, and a second slot 24 is provided between the second upper mold 21 and the second lower mold 22 to cooperate with the second gusset plate 26. The second gusset plate 26 is located in the slot. And respectively snap-connected with the second upper mold 21 and the second lower mold 22, the second mold core rod 25 is fixedly connected with the second buckle plate 26, the second mold core section 27 is detachably connected with the second mold core rod 25, The second mold core rod 25 is passed through the second mold core section 27 , and the second mold core section 27 is located in the second mold cavity 23 . At least two second mold core rods 25 are provided in total, and a plurality of second mold core sections 27 are provided in total. The plurality of second mold core sections 27 are provided on at least two second mold core rods 25 . There are at least two second buckle plates 26 provided in total, and the at least two second buckle plates 26 correspond to the at least two second mold core rods 25 respectively. A plurality of second mold core sections 27 are provided on the second mold core rod 25 .

When in use, the first buckle plate 16 is clamped into the first slot 14 so that the first mold core section 17 on the first mold core rod 15 is located in the first mold cavity 13 and then in the first mold cavity 13 Put in the solid silicone strip (thermoplastic material other than the solid silicone strip can be used, or the material can be added directly into the first mold cavity 13 in the form of injection molding. This embodiment only takes the solid silicone strip as an example. The mold can be processed workpieces of different materials), then close the first upper mold 11 and the first lower mold 12, and heat the first upper mold 11 and the first lower mold 12 to melt the solid silicone strip in the first mold cavity 13, Then, after cooling, the outer surface of the silicone workpiece corresponds to the inner surface contour of the first mold cavity 13, and the inner surface contour of the silicone inner surface corresponds to the first mold core rod 15 and the first mold core section 17, thereby realizing the mold forming process. function, and form an opening on the silicone workpiece through the side plate 31. After the silicone workpiece is cooled, move the buckle plate and the first mold core rod 15, pull out the first mold core rod 15 from the silicone workpiece and separate the first mold core rod 15 from the first mold core section 17, and then remove the first mold core rod 15 from the silicone workpiece. Taking out the first mold core section 17 can facilitate taking out the mold in the silicone workpiece, thereby achieving the effect of convenient processing.

After the silicone workpiece is processed using the first upper mold 11 and the first lower mold 12, the silicone workpiece with the opening is placed into the second mold cavity 23, and the second mold core section 27 and the second mold core rod 25 are placed into the silicone workpiece. inside, and block the inside of the opening with the second mold core section 27, add an appropriate amount of solid silicone strips into the opening, then close the second upper mold 21 and the second lower mold 22, and heat the solid silicone strips in the opening to melt them. After further cooling, the opening is closed. Take out the silicone workpiece from the second mold cavity 23, take out the second mold core rod 25 from the inside of the silicone workpiece, and then take out the second mold core section 27 to complete the processing of the silicone workpiece.

This embodiment has the following advantages:

By respectively taking out the first mold core rod 15 and the first mold core section 17 from the inside of the silicone workpiece, the first mold core rod 15 can be prevented from being stuck by the first mold core section 17 and cannot be taken out. After taking out the first mold core The angle can be adjusted more conveniently during the process of section 17, which facilitates the removal of the first mold core rod 15 and the first mold core section 17. It overcomes the problem that the mold assembly cannot be taken out from the workpiece when processing complex inner cavities, thereby achieving the ability to The function of machining complex inner cavities.

During the production process of the mold, the first core rod 15 and the first core section 17 can be processed separately, which can facilitate the processing of more complex core sections and enable the core sections to process silicone workpieces with more complex internal shapes. It further facilitates the processing of silicone workpieces with complex inner cavities.

Through the arrangement of the side plate 31 , the silicone workpiece processed by the first upper mold 11 and the first lower mold 12 forms an opening at the side plate 31 , and the contour of the opening corresponds to the external shape of the side plate 31 . Therefore, the first mold core section 17 can be taken out through the opening, which facilitates the first mold core section 17 and further facilitates the processing of silicone workpieces with complex inner cavities.

Since the second mold core section 27 only needs to block the inside of the opening to seal the opening, the second mold core section 27 can be designed to be smaller than the first mold core section 17, so that it can be easily taken out, thereby realizing the silicone workpiece. At the same time of processing, the effect of conveniently taking out the second mold core section 27 is achieved, which further facilitates the processing of silicone workpieces with complex inner cavities.

The positioning bar 32 is engaged with the first upper mold 11 and the first lower mold 12 to position the side plate 31 to ensure the accuracy of the position of the side plate 31 and thus ensure the processing accuracy of the opening.

The connecting portion 33 is thicker than the molded portion 34 , so that the connecting portion 33 has better structural strength and can ensure the overall structural stability of the side plate 31 during processing.

By arranging at least two first mold core rods 15 and multiple first mold core sections 17 , openings at different locations can be blocked by different first mold core sections 17 , thereby enabling processing of products with more complex inner cavity structures. Silicone workpiece, and the first mold core section 17 can be easily taken out.

By disposing at least two first mold core sections 17 on at least two first buckle plates 16 respectively, the function of taking out the first mold core rods 15 from the silicone workpiece can be realized by moving the first buckle plates 16 respectively. To facilitate the removal of the first mold core rod 15.

By arranging at least two second mold core rods 25 and a plurality of second mold core sections 27, different second mold core sections 27 can be used to block the openings at different positions, thereby enabling processing of products with a more complex inner cavity structure. Silicone workpiece, and can easily take out the second mold core section 27.

By arranging multiple second mold core sections 27 on the second mold core rod 25, different second mold core sections 27 can be used to block the openings at different positions, so that silicone workpieces with more complex inner cavity structures can be processed. And the second mold core section 27 can be easily taken out.

Based on the disclosure and teachings of the above description, those skilled in the art to which the present invention belongs can also make changes and modifications to the above embodiments. Therefore, the present utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of the present utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on the utility model.

Claims (10)

1. The utility model provides a cavity finger mould, includes first upper mould (11), first lower mould (12), be equipped with first die cavity (13), its characterized in that between first upper mould (11) and first lower mould (12): still include first mandrel (15), first buckle (16) and first mold core festival (17), be equipped with between first last mould (11) and the first lower mould (12) with first buckle (16) complex first draw-in groove (14), first mandrel (15) and first buckle (16) fixed connection, first mold core festival (17) can dismantle with first mandrel (15) and be connected, first mold core festival (17) are located first die cavity (13).

2. The cavity finger mold of claim 1, wherein: a side plate (31) is arranged between the first upper die (11) and the first lower die (12), and the side plate (31) stretches into the first die cavity (13).

3. The cavity finger mold of claim 2, wherein: still include second upper die (21), second lower mould (22), second mandrel (25), second mold core festival (27) and second buckle (26), be equipped with second die cavity (23) between second upper die (21) and second lower mould (22), be equipped with between second upper die (21) and second lower mould (22) with second buckle (26) complex second draw-in groove (24), second mandrel (25) and second buckle (26) fixed connection, second mold core festival (27) are connected with second mandrel (25) can be dismantled, second mold core festival (27) are located second die cavity (23).

4. A cavity finger mold according to claim 3, wherein: at least 2 second die core rods (25) are arranged in total.

5. A cavity finger mold according to claim 3, wherein: a plurality of second core segments (27) are arranged on the second core rod (25).

6. The cavity finger mold of claim 2, wherein: the side plate (31) is fixedly connected with a positioning strip (32), and the positioning strip (32) is respectively clamped with the first upper die (11) and the first lower die (12).

7. The cavity finger mold of claim 2, wherein: the side plate (31) comprises a connecting portion (33) and a forming portion (34), the connecting portion (33) and the forming portion (34) are fixedly connected, the connecting portion (33) is located outside the first die cavity (13) and is respectively clamped with the first upper die (11) and the first lower die (12), the forming portion (34) stretches into the first die cavity (13), and the thickness of the forming portion (34) is smaller than that of the connecting portion (33).

8. The cavity finger mold of claim 1, wherein: at least 2 first die core rods (15) are arranged in total, a plurality of first die core sections (17) are arranged in total, and a plurality of first die core sections (17) are respectively arranged on the 2 first die core rods (15).

9. The cavity finger mold of claim 1, wherein: at least 2 first buckle plates (16) are arranged in total, and at least 2 first buckle plates (16) are respectively in one-to-one correspondence with at least 2 first mold core sections (17).

10. The cavity finger mold of claim 1, wherein: a plurality of first core segments (17) are arranged on the first core rod (15).