CN114905360A - Sharpening machine - Google Patents

Abstract

The utility model provides a sharpening machine for the sharpening has the spheroid of runner mouth, and sharpening machine includes: a driving device fixed on the workbench; a sander connector comprising a mounting hole, a body, and an end cap having a neck; the end cap is connected with the body through the neck part; the mounting hole penetrates through the body and the end cover along the length direction; a plurality of through holes are distributed on the end cover along the direction of the mounting hole; the grinding machine connector is in threaded connection with the driving device through the through hole, and the connecting end of the paper tape type grinding machine penetrates through the mounting hole to be connected with the grinding machine connector; in the operation state, the ball body is connected to the rotating tool, the rotating tool drives the ball body to rotate, and the driving device operates and drives the paper tape type grinding machine to grind the surface of the runner opening of the ball body through the grinding machine connector; through the sharpening machine disclosed by the invention, the ball runner opening can be effectively sharpened in a manual mode, the potential safety hazard is eliminated, and the working efficiency is improved on the premise of ensuring stable sharpening quality.

Description

a grinding machine

technical field

The invention belongs to the technical field of runner opening grinding, and particularly relates to a grinding machine.

Background technique

Ball valves are widely used in petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmaceuticals, water conservancy, electric power, municipal administration, steel and other industries, and occupy a pivotal position in the national economy. The opening and closing part of the ball valve is a sphere, with a circular through hole or channel passing through the axis of the sphere. The sphere is driven by the valve stem and rotates 90 degrees around the axis of the valve stem to realize the switch function.

At present, after the ball flow channel of the ball valve is processed, there will be burrs at the flow channel mouth. In order to make the surface of the ball flow channel mouth smooth, the medium will be uniformly stressed when passing through, and the service life will be prolonged. The ball flow channel mouth should be treated with surface burrs. Grinding the runner mouth with a grinder and processing burrs, on the one hand, the manual processing efficiency is low, and the processing quality is unstable; on the other hand, manual grinding is unsafe, which has become the main safety hazard in the current process.

SUMMARY OF THE INVENTION

In view of the above problems in the prior art, the present disclosure provides a grinding machine that is safe to use, easy to operate, and can ensure grinding quality and stability.

To achieve the above purpose, the technical solution adopted in the embodiment of the present invention is:

A grinding machine is used for grinding a sphere with a flow channel opening, the grinding machine comprises: a driving device, which is fixed on a workbench; a grinding machine connecting head, which includes a mounting hole, a body and an end cap with a neck the end cover is connected to the body through the neck; the mounting hole penetrates the body and the end cover along the length direction; the end cover is distributed with a plurality of through holes along the direction of the mounting hole; The connecting head of the sander is screwed with the driving device through the through hole, and the connecting end of the paper belt sander is penetrated through the mounting hole to connect the connecting head of the sander; in the running state, the The sphere is connected to a rotary tool, and the rotary tool drives the sphere to rotate, and the driving device operates and drives the paper belt sander to polish the surface of the flow channel opening of the sphere through the sander connection head.

In some embodiments of the present disclosure, a plurality of threaded holes are distributed on the peripheral surface of the body; the threaded holes pass through the body and communicate with the installation holes; the screw rods pass through the threaded holes and are in contact with the mounting holes. Top the paper belt sander.

In some embodiments of the present disclosure, the connecting end is provided with a fixing hole; the position of the fixing hole corresponds to the threaded hole, so that the paper belt sander can communicate with the sander through the fixing hole. The connector is threaded.

In some embodiments of the present disclosure, the mounting holes are configured in a square shape.

In some embodiments of the present disclosure, the rotary tool is attached to the table.

In some embodiments of the present disclosure, the workbench is provided with a slideway; the rotary tool is mounted on the slideway, and is slidably connected to the workbench through the slideway.

In some embodiments of the present disclosure, the driving device includes a base and a first rotating shaft, a first swinging shaft, a second rotating shaft, a second swinging shaft, a third rotating shaft, and a third swinging shaft that are sequentially connected to each other ; wherein, the first rotating shaft is connected to the base; the third swing shaft is connected to the grinding machine connector.

In some embodiments of the present disclosure, the driving device further includes a plurality of servos and a plurality of speed reducers; the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively connected to the servos correspondingly The output shaft of the motor; the first swing shaft, the second swing shaft and the third swing shaft are respectively connected to the output shaft of the reducer.

In some embodiments of the present disclosure, the grinding machine further includes a rubber spring pad disposed between the machine base and the workbench.

In some embodiments of the present disclosure, the dresser further includes a buffer pad located between the grinder connector and the paper belt grinder.

Compared with the prior art, the beneficial effects of the present invention are:

Through the grinding machine of the present invention, the driving device drives the grinding machine connecting head through the grinding machine connecting head, instead of manually grinding the ball flow passage opening, and the use of the grinding machine can avoid unstable manual force and poor grinding quality. Stable problem, to ensure the grinding effect. In addition, since manual grinding is unsafe, the grinding machine of the present invention can accurately simulate and replace manual grinding, eliminate potential safety hazards, and make the entire grinding process safer.

Description of drawings

Fig. 1 is the schematic diagram of the grinding machine in the working state of the embodiment of the present invention;

2 is a schematic structural diagram of a grinding machine according to an embodiment of the present invention;

Fig. 3 is the exploded view of the grinding machine of the embodiment of the present invention;

4 is a schematic diagram of a grinding machine according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a grinder connector of a grinder according to an embodiment of the present invention.

Description of reference numerals

1-grinder; 2-drive device; 3-grinder connector; 4-installation hole;

5-body; 6-end cap; 7-neck; 8-through hole; 9-threaded hole;

10-paper belt grinder; 11-connecting end; 12-machine base; 13-first rotating shaft;

14-the first swinging shaft; 15-the second swinging shaft; 16-the second rotating shaft; 17-the third swinging shaft;

18-the third rotation axis; 19-robot arm; 20-sphere; 21-table;

22-Rotary tooling

Detailed ways

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In order to make those skilled in the art better understand the technical solutions of the present disclosure, the present disclosure will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present disclosure will be described in further detail below with reference to the accompanying drawings and specific embodiments, but are not intended to limit the present disclosure.

All terms (including technical or scientific terms) used in this disclosure have the same meaning as understood by one of ordinary skill in the art to which this disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in, for example, general-purpose dictionaries should be construed to have meanings consistent with their meanings in the context of the related art, and not to be construed in an idealized or highly formalized sense, unless explicitly stated herein. Defined like this.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and apparatus should be considered part of the specification.

In the field of runner orifice grinding technology, after the ball valve ball runner is processed, the runner mouth will have burrs. In order to make the surface of the ball runner orifice smooth, the medium will be evenly stressed when passing through, and the service life of the ball valve will be prolonged. deal with. The method currently used is to manually grind the runner opening with a grinder to deal with burrs, which has low efficiency of manual treatment and unstable processing quality. Therefore, the present invention provides the following technical solutions to solve it.

1 to 4, a grinding machine 1 is used for grinding a sphere 20 with a flow channel opening. The grinding machine 1 includes: a driving device 2, which is fixed on a workbench 21|[lym1]; a grinding machine connecting head 3. It includes a mounting hole 4, a body 5 and an end cover 6 with a neck 7; the end cover 6 is connected to the body 5 through the neck 7; the mounting hole 4 penetrates the body 5 and the end cover 6 along the length direction; The direction of the hole 4 is distributed with a plurality of through holes 8; the grinding machine connecting head 3 is screwed with the driving device 2 through the through holes 8, and the paper belt grinding machine 10, its connecting end 11 is penetrated in the installation hole 4 to connect the grinding machine. Connector 3; in the running state, the sphere 20 is connected to the rotary tooling 22|[lym2], the rotary tooling 22 drives the sphere 20 to rotate, the driving device 2 operates and drives the paper belt sander 10 to grind the sphere 20 through the grinding machine connector 3 the surface of the runner opening. In this embodiment, the driving device 2 drives the grinding machine connecting head 3 through the grinding machine connecting head 3, instead of manually grinding the flow passage opening of the ball 20, and the use of the grinding machine 1 can avoid unstable manual force and poor grinding quality. Stable problem, to ensure the grinding effect. In particular, the grinding machine connecting head 3 can be set correspondingly according to the ball 20 to be ground, and different lengths can be selected. Through the embodiment of the present invention, compared with manual operation, the grinding efficiency is effectively improved. For example, it takes an hour/1 for a skilled operator to grind the runner opening, while the grinding machine 1 can reach an average of 3/hour. Moreover, the surface of the runner opening of the sphere 20 is smoother and smoother. The machine 1 can completely replace manual labor, and is more convenient and safe to use.

In addition, in this embodiment, the driving method of the paper belt sander 10 is pneumatic, and the speed of the paper belt sander 10 is controlled by adjusting the air pressure. The specific driving method is not limited here, and can be adjusted according to the actual application scenario. .

In addition, in this embodiment, the rotary tool 22 is provided with a drive motor, and different rotational speeds are set according to different grinding qualities, so as to improve the grinding efficiency without affecting the grinding quality.

In one embodiment, referring to FIG. 5 , a plurality of threaded holes 9 are distributed on the peripheral surface of the main body 5; the threaded holes 9 are penetrated through the main body 5 and communicate with the installation holes 4; Type sander 10. With this arrangement, the sander connecting head 3 can be effectively fixed with the paper belt sander 10 by friction.

In one embodiment, the connecting end 11 is provided with a fixing hole (not shown in the figure); the position of the fixing hole corresponds to the threaded hole 9, so that the paper belt sander 10 is connected to the sander through the fixing hole Head 3 threaded connection. In this way, the connecting head 3 of the sander is screwed to the paper belt sander 10, which effectively improves the connection strength and improves the safety and reliability during operation.

In one embodiment, referring to FIG. 5 , the mounting hole 4 is configured in a square shape. Through this arrangement, the strength of the force during the operation of the paper belt sander 10 during rotation or swing is effectively improved, and the operation reliability and safety are further improved.

In one embodiment, referring to FIG. 1 , the rotary tooling 22 is connected to the table 21 .

In one embodiment, the worktable 21 is provided with a slideway (not shown in the figure); the rotary tool 22 is provided on the slideway, and is slidably connected to the workbench 21 through the slideway. With this arrangement, the size range of the grinding ball 20 of the grinding machine 1 is increased.

In one embodiment, referring to FIG. 3 , the driving device 2 includes a base 12 and a first rotating shaft 13 , a first swinging shaft 14 , a second rotating shaft 16 , a second swinging shaft 15 , and a third rotating shaft which are sequentially connected to each other. 18 and the third swinging shaft 17; wherein, the first rotating shaft 13 is connected to the base 12; the third swinging shaft 17 is connected to the connecting head 3 of the grinding machine. Through the above arrangement, the operation space and operation flexibility of the drive device 2 are effectively improved. In particular, the angle of the mechanical arm 19 can be adjusted arbitrarily to form various angles with the ball 20 to be operated, so as to achieve the purpose of replacing manual operation.

In one embodiment, referring to FIG. 3 , the driving device 2 further includes a plurality of servos and a plurality of speed reducers; the first rotating shaft 13 , the second rotating shaft 16 and the third rotating shaft 18 are respectively connected to the outputs of the servo motors. shaft; the first swing shaft 14, the second swing shaft 15 and the third swing shaft 17 are respectively connected to the output shaft of the reducer. With this arrangement, the rotational speed and angle of the rotating shaft and the swinging shaft can be effectively adjusted and controlled.

In one embodiment, the grinding machine 1 further includes a rubber spring pad (not shown in the figure), which is arranged between the machine base 12 and the workbench 21 . In this way, the shock absorption performance of the machine base 12 is effectively improved, thereby correspondingly improving the stability of the grinding machine 1 during the grinding process.

In one embodiment, the grinding machine 1 further includes a buffer pad (not shown in the figure), which is located between the grinding machine connecting head 3 and the paper belt grinding machine 10 . Through this arrangement, the grinding accuracy of the paper belt sander 10 is effectively ensured, and the connection between the sander connecting head 3 and the paper belt sander 10 is slowed down.

For in-depth understanding of the concrete results of the present invention and the implementation process, the following is further described for the operation steps:

The first step is to fix the grinding machine 1 on the working platform;

In the second step, the sphere 20 is placed on the working platform;

The third step is to control the servo motor and the reducer to drive the height and angle of the paper belt grinder 10 to adjust to a suitable position from the runner opening of the sphere 20;

The fourth step is to drive the rotary tooling 22 to drive the sphere 20 to rotate;

The fifth step, drive the paper belt grinder 10, control the servo motor and the reducer, so that the paper belt grinder 10 contacts the surface of the runner opening of the sphere 20, and grinds it at a suitable angle;

In the sixth step, the servo motor and the speed reducer are operated to make the paper belt sander 10 leave the surface of the runner opening of the sphere 20 , and the paper belt sander 10 and the rotary tool 22 are closed.

Furthermore, although illustrative embodiments are described herein, the scope includes any and all equivalents, modifications, omissions, combinations (eg, combinations of aspects across the various embodiments), adaptations, or alterations based on the present disclosure. All examples. Elements in the claims are to be interpreted broadly based on the language used in the claims and are not limited to the examples described in this specification or during the life of this application. Furthermore, the steps of the disclosed methods may be modified in any way, including by reordering steps or inserting or deleting steps. Therefore, the description is intended to be regarded as an example only, with the true scope being indicated by the following claims and their full scope of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above examples (or one or more aspects thereof) may be used in combination with each other. After reading the above description, for example, one of ordinary skill in the art may use other embodiments. Furthermore, in the above Detailed Description, various features may be grouped together to simplify the disclosure. This should not be interpreted as an intention that an unclaimed disclosed feature is essential to any claim. Thus, the following claims are hereby incorporated into the Detailed Description by way of example or embodiment, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations and permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

Claims (10)

1. A grinding machine for grinding a sphere with a runner opening, wherein the grinding machine comprises: a drive device, which is fixed to the workbench; A sander connecting head, comprising a mounting hole, a body and an end cap with a neck; the end cap is connected to the body through the neck; the mounting hole penetrates the body and the end cap along the length direction; The end cover is distributed with a plurality of through holes along the direction of the installation hole; the grinding machine connecting head is screwed with the driving device through the through holes, a paper belt sander, the connecting end of which is penetrated through the installation hole to connect the sander connecting head; In the running state, the sphere is connected to a rotary tool, and the rotary tool drives the sphere to rotate, and the driving device operates and drives the paper belt sander to grind the flow of the sphere through the sander connection head. surface of the crossing. 2 . The grinding machine according to claim 1 , wherein a plurality of threaded holes are distributed on the peripheral surface of the body; the threaded holes are pierced through the body and communicate with the installation holes; Set the threaded hole and push against the paper belt sander. 3 . The grinding machine according to claim 2 , wherein the connecting end is provided with a fixing hole; the position of the fixing hole is corresponding to the threaded hole, so that the paper belt grinder can pass through the grinding machine. 4 . The fixing hole is threadedly connected with the connecting head of the grinding machine. 4. The grinding machine of claim 2, wherein the mounting hole is configured in a square shape. 5. The grinding machine of claim 1, wherein the rotary tool is connected to the table. 6 . The grinding machine according to claim 5 , wherein the worktable is provided with a slideway; the rotary tool is mounted on the slideway, and is slidably connected to the worktable through the slideway. 7 . 7 . The grinding machine according to claim 1 , wherein the driving device comprises a machine base and a first rotating shaft, a first swinging shaft, a second rotating shaft, a second swinging shaft, a Three rotating shafts and a third swinging shaft; wherein, the first rotating shaft is connected to the machine base; the third swinging shaft is connected to the grinding machine connecting head. 8. The grinding machine according to claim 7, wherein the driving device further comprises a plurality of servos and a plurality of reducers; the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively connected to the output shaft of the servo motor; The first swing shaft, the second swing shaft and the third swing shaft are respectively connected to the output shaft of the reducer. 9 . The grinding machine according to claim 7 , further comprising a rubber spring pad disposed between the machine base and the workbench. 10 . 10 . The grinding machine of claim 1 , further comprising a buffer pad located between the grinding machine connecting head and the paper belt sander. 11 .

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