Static disc clamping and machining clamp

Abstract

The utility model discloses a static disc clamping processing clamp, which belongs to the technical field of machining clamping jigs and comprises a base, and the upper end of the base is connected with a centering clamping mechanism. The front side of the centering clamping mechanism is provided with a rotary attaching assembly used for being attached to threads on the inner side of the static disc. The upper end of the centering clamping mechanism is connected with a rhombic positioning pin; the lower end of the static disc is provided with a slot; the centering clamping mechanism comprises a driving assembly and a clamping fixing assembly, and the driving assembly is connected to the lower end of the base; the clamping and fixing assembly is connected to the upper end of the driving assembly. In this way, the static disc is pre-positioned by inserting the rhombic positioning pin into the slot in the lower end of the static disc, the rotary attaching assembly rotates to be attached to and support the inner side of the thread on the inner side of the lower end of the static disc, and the driving assembly drives the clamping and fixing assembly to clamp the outer side of the thread, so that the static disc is clamped and fixed; the pressure of the clamping and fixing assembly on the outer side of the thread and the supporting effect of the rotary attaching assembly on the inner side of the thread are counteracted, and thread deformation caused by the clamping effect of the clamping and fixing assembly is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing clamping fixtures, in particular to a static disk clamping processing fixture. Background Art

[0002] The field of machining fixture technology has broad prospects. With the development of the manufacturing industry, customized production has become a trend, and the demand for customized fixtures is increasing, which can better meet the needs of different product characteristics and production processes.

[0003] Chinese patent CN213561265U discloses a static scroll processing clamping fixture, comprising a base plate and a convex plate movably embedded within the base plate. Multiple hydraulic cylinders are provided on the outer side of the convex plate, mounted on the upper portion of the base plate. The output shafts of the hydraulic cylinders are connected to piston rods, one end of which is hinged to a first connecting rod, one end of which is connected to a clamping block, a second connecting rod is hinged to the inner wall of the first connecting rod, and multiple positioning pins are provided on the upper portion of the convex plate. However, this fixture still has the following problems:

[0004] The device fixes the workpiece by means of a clamping block, which may easily cause deformation of the inner thread of the stationary scroll. The deformation of the inner thread of the stationary scroll may change its relative position and matching accuracy with other components.

[0005] Based on this, the utility model designs a static disk clamping processing fixture to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a static plate clamping processing fixture.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] Static plate clamping processing fixture, including a base;

[0009] The upper end of the base is connected to a centering clamping mechanism for clamping the stator disc; a rotating fitting assembly for fitting the inner thread of the stator disc is provided on the front side of the centering clamping mechanism; a diamond-shaped positioning pin for pre-positioning the stator disc is connected to the upper end of the centering clamping mechanism, and a slot for plugging into the diamond-shaped positioning pin is provided at the lower end of the stator disc;

[0010] The centering clamping mechanism includes a driving assembly and a clamping and fixing assembly. The driving assembly is connected to the lower end of the base; the clamping and fixing assembly for clamping the static disk is connected to the upper end of the driving assembly.

[0011] Furthermore, the driving assembly includes an oil cylinder, a pull nail and a pull-down block. The oil cylinder is fixedly connected to the lower end of the base, the output end of the oil cylinder is fixedly connected to the pull nail, and the lower end of the pull nail is fixedly connected to the pull-down block.

[0012] Furthermore, the clamping and fixing assembly includes an oblique column, a limiting assembly, a disk body, a fixed block, a clamp and a pull-down groove. The upper end of the base is fixedly connected to the disk body; the upper end of the disk body is fixedly connected to the fixed block; the diamond positioning pin is fixedly connected to the upper end of the fixed block; three oblique columns are provided on the side wall of the pull-down block; the side wall of the oblique column is provided with a pull-down groove for the movement of the pull-down block; the oblique column is limitedly slidably connected to the disk body; the side wall of the oblique column is provided with a limiting assembly; and the upper end of the oblique column is fixedly connected to the clamp.

[0013] Furthermore, the inclined-stayed columns are arranged in a uniform circular array.

[0014] Furthermore, the limiting assembly includes a limiting groove and a limiting block, the side wall of the inclined column is provided with a limiting groove; the inner wall of the disk body is fixedly connected to the limiting block; the limiting block is slidingly connected to the limiting groove.

[0015] Furthermore, the rotation fitting assembly includes a rotation positioning block, a protrusion, a push cylinder, a reset assembly, a rotating rod and a slide groove. The upper end of the base is fixedly connected to the push cylinder and the reset assembly; the side wall of the disk body is provided with a slide groove, and the rotating rod and the slide groove are limited and slidably connected; the upper end of the fixed block is rotatably connected to the rotation positioning block; the upper end of the rotation positioning block is fixedly connected to the protrusion, and the lower end of the rotation positioning block is fixedly connected to the rotating rod; the side wall on one side of the rotating rod is fitted with the output end of the push cylinder, and the side wall on the other side of the rotating rod is connected to the reset assembly.

[0016] Furthermore, the reset assembly includes a cylinder body and a spring rod, the upper end of the base is fixedly connected to the cylinder body; the side wall of the cylinder body is slidably connected to the spring rod, and a spring is provided inside the cylinder body, one end of the spring is fixedly connected to the inner wall of the cylinder body, and the other end of the spring is fixedly connected to the spring rod, and the side wall of the rotating rod is in contact with the end of the spring rod.

[0017] Furthermore, a dust cover is fixedly connected to the cylinder body and the upper end of the push cylinder.

[0018] Compared with the prior art, the present invention has the following beneficial effects: the slot at the lower end of the stator disc is plugged into the diamond-shaped positioning pin to achieve pre-positioning of the stator disc, at which time the rotary fitting component rotates to fit and support the inner side of the thread on the inner side of the lower end of the stator disc, and at this time the driving component drives the clamping and fixing component to clamp the outer side of the thread to achieve clamping and fixing of the stator disc, and the pressure of the clamping and fixing component on the outer side of the thread is offset by the supporting effect of the rotary fitting component on the inner side of the thread, thereby avoiding deformation of the thread caused by the clamping effect of the clamping and fixing component on the thread. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.

[0020] Figure 1 This is a three-dimensional diagram of the static disk of the utility model;

[0021] Figure 2 The three-dimensional static plate clamping processing fixture of the utility model Figure 1 ;

[0022] Figure 3 This is a front view of the static plate clamping processing fixture of the present utility model;

[0023] Figure 4 This is a three-dimensional diagram of the internal structure of the static plate clamping processing fixture of the present invention;

[0024] Figure 5 To follow Figure 3 A cross-sectional view with part of AA removed;

[0025] Figure 6 This is an exploded view of the static plate clamping processing fixture of the present utility model;

[0026] Figure 7 The three-dimensional static plate clamping processing fixture of the utility model Figure 2 ;

[0027] Figure 8 for Figure 7 Enlarged view of point B in the middle.

[0028] The numbers in the figure represent:

[0029] 10. Base; 11. Static plate; 12. Thread; 13. Diamond locating pin; 2. Centering clamping mechanism; 21. Driving assembly; 211. Cylinder; 212. Pull pin; 213. Pull-down block; 22. Clamping and fixing assembly; 221. Oblique column; 222. Limiting groove; 223. Limiting block; 224. Disk body; 225. Fixing block; 226. Clamping claw; 227. Pull-down groove; 3. Rotary fitting assembly; 31. Rotary locating block; 32. Bump; 33. Push cylinder; 34. Cylinder body; 35. Spring rod; 36. Rotating rod; 37. Slide groove; 39. Dust cover. DETAILED DESCRIPTION

[0030] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0031] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0032] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figures 1-8 , a static plate clamping processing fixture, including a base 10;

[0033] The upper end of the base 10 is connected to a centering clamping mechanism 2 for clamping the stator plate 11; a rotating fitting component 3 is provided on the front side of the centering clamping mechanism 2 for fitting the inner thread 12 of the stator plate 11; the upper end of the centering clamping mechanism 2 is connected to a diamond-shaped positioning pin 13 for pre-positioning the stator plate 11, and the lower end of the stator plate 11 is provided with a slot for plugging into the diamond-shaped positioning pin 13;

[0034] The centering clamping mechanism 2 includes a driving assembly 21 and a clamping and fixing assembly 22 . The driving assembly 21 is connected to the lower end of the base 10 ; the clamping and fixing assembly 22 for clamping the stator 11 is connected to the upper end of the driving assembly 21 .

[0035] In the present invention, the slot at the lower end of the stator disk 11 is plugged into the diamond-shaped positioning pin 13 to achieve pre-positioning of the stator disk 11. At this time, the rotary fitting component 3 rotates to fit and support the inner side of the thread 12 on the inner side of the lower end of the stator disk 11. At this time, the driving component 21 drives the clamping and fixing component 22 to clamp the outer side of the thread 12 to achieve clamping and fixing of the stator disk 11. The pressure of the clamping and fixing component 22 on the outer side of the thread 12 is offset by the supporting effect of the rotary fitting component 3 on the inner side of the thread 12, thereby avoiding deformation of the thread 12 caused by the clamping effect of the clamping and fixing component 22 on the thread 12.

[0036] The driving assembly 21 includes a cylinder 211, a rivet 212 and a pull-down block 213. The cylinder 211 is fixedly connected to the lower end of the base 10. The output end of the cylinder 211 is fixedly connected to the rivet 212, and the lower end of the rivet 212 is fixedly connected to the pull-down block 213.

[0037] The clamping and fixing assembly 22 includes an inclined column 221, a limiting groove 222, a limiting block 223, a disk body 224, a fixing block 225, a clamping claw 226 and a lower pull-down groove 227. The upper end of the base 10 is fixedly connected to the disk body 224; the upper end of the disk body 224 is fixedly connected to the fixing block 225; the diamond-shaped positioning pin 13 is fixedly connected to the upper end of the fixing block 225; the side wall of the lower pull-down block 213 is provided with three inclined columns 221 in a uniform circular array; the side wall of the inclined column 221 is provided with a lower pull-down groove 227 for the movement of the inclined column 221; the inclined column 221 is limitedly slidably connected to the disk body 224; the side wall of the inclined column 221 is provided with a limiting groove 222; the inner side wall of the disk body 224 is fixedly connected to the limiting block 223; the limiting block 223 is limitedly slidably connected to the limiting groove 222; the upper end of the inclined column 221 is fixedly connected to the clamping claw 226;

[0038] The rotating fitting assembly 3 includes a rotating positioning block 31, a protrusion 32, a push cylinder 33, a cylinder body 34, a spring rod 35, a rotating rod 36 and a slide groove 37. The upper end of the base 10 is fixedly connected to the push cylinder 33 and the cylinder body 34; the side wall of the cylinder body 34 is slidably connected to the spring rod 35, and a spring is provided inside the cylinder body 34, one end of the spring is fixedly connected to the inner wall of the cylinder body 34, and the other end of the spring is fixedly connected to the spring rod 35; the side wall of the disk body 224 is provided with a slide groove 37, and the rotating rod 36 is limitedly slidably connected to the slide groove 37; the upper end of the fixed block 225 is rotatably connected to the rotating positioning block 31; the upper end of the rotating positioning block 31 is fixedly connected to the protrusion 32, and the lower end of the rotating positioning block 31 is fixedly connected to the rotating rod 36; the side wall of one side of the rotating rod 36 is fitted with the output end of the push cylinder 33, and the side wall of the other side of the rotating rod 36 is fitted with the end of the spring rod 35; the cylinder body 34 and the upper end of the push cylinder 33 are fixedly connected to a dust cover 39.

[0039] When the cam 221 is in the closed position, the spring 223 is in the closed position, and the spring 224 is in the closed position, and the spring 225 is in the closed position, the spring 226 is in the closed position, and the spring 226 is in the closed position, and the spring 226 is in the closed position, and the spring 223 is in the closed position, and the spring 226 is in the closed position, and the spring 223 is in the closed position, and the spring 226 is in the closed position, and the spring 226 is in the closed position, and the spring 223 is in the closed position, and the spring 226 is in the closed position, and the spring 226 is in the closed position, and the spring 223 is in the closed position, and the spring 226 is in the closed position, and the spring 226 is in the closed position, and the spring 226 is in the closed position, and the spring 223 is in the closed position, and the spring 226 is in the closed position, and the spring When the bottom of the positioning groove 222 is abutted, the clamping claw 226 clamps and fixes the static disk 11; after the processing of the static disk 11 is completed, the output end of the oil cylinder 211 drives the pull-down block 213 through the pull pin 212 to drive the inclined column 221 to move upward, and the inclined column 221 drives the limit block 223 to slide within the limit groove 222, and the inclined column 221 drives the clamping claw 226 to move outward. When the limit block 223 abuts against the top of the limit groove 222, the clamping claw 226 releases the clamping fixation of the static disk 11; at this time, the output end of the push cylinder 33 extends, and the output end of the push cylinder 33 drives the rotating rod 36 to drive the rotating positioning block 31 to rotate through the insert block 38, and the spring rod 35 drives the spring to compress, releasing the state of the protrusion 32 rotating and tightly fitting with the inner side of the thread 12. At this time, the static disk 11 can be removed.

[0040] In the present invention, the output end of the push cylinder 33 contracts, so that the protrusion 32 rotates and fits tightly against the inner side of the thread 12, thereby supporting the inner side of the thread 12; the output end of the oil cylinder 211 drives the pull block 213 through the pull pin 212 to drive the inclined pull column 221 to move downward, so that the inclined pull column 221 drives the clamping jaws 226 to retract inward to clamp the outer side of the thread 12, and the clamping of the outer side of the thread 12 by the clamping jaws 226 and the supporting effect of the protrusion 32 on the inner side of the thread 12 are offset, thereby avoiding the deformation of the thread 12 caused by the clamping effect of the clamping jaws 226 on the thread 12.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A static plate clamping fixture, comprising a base (10), characterized in that: The upper end of the base (10) is connected to a centering clamping mechanism (2) for clamping the static disk (11); a rotating fitting component (3) for fitting the inner thread (12) of the static disk (11) is provided on the front side of the centering clamping mechanism (2); the upper end of the centering clamping mechanism (2) is connected to a diamond locating pin (13) for pre-positioning the static disk (11), and the lower end of the static disk (11) is provided with a slot for plugging with the diamond locating pin (13); The centering clamping mechanism (2) comprises a driving assembly (21) and a clamping and fixing assembly (22), wherein the driving assembly (21) is connected to the lower end of the base (10); and the clamping and fixing assembly (22) for clamping the static disk (11) is connected to the upper end of the driving assembly (21).

2. The static plate clamping fixture according to claim 1, characterized in that: The driving assembly (21) comprises an oil cylinder (211), a pull nail (212) and a pull-down block (213); the oil cylinder (211) is fixedly connected to the lower end of the base (10); the output end of the oil cylinder (211) is fixedly connected to the pull nail (212); and the lower end of the pull nail (212) is fixedly connected to the pull-down block (213).

3. The static plate clamping fixture according to claim 2, characterized in that: The clamping and fixing assembly (22) includes an inclined column (221), a limiting assembly, a disk (224), a fixed block (225), a clamping claw (226) and a pull-down groove (227). The upper end of the base (10) is fixedly connected to the disk (224); the upper end of the disk (224) is fixedly connected to the fixed block (225); the diamond-shaped positioning pin (13) is fixedly connected to the upper end of the fixed block (225); three inclined columns (221) are provided on the side wall of the pull-down block (213); the side wall of the inclined column (221) is provided with a pull-down groove (227) for the movement of the pull-down block (213); the inclined column (221) is limitedly slidably connected to the disk (224); the side wall of the inclined column (221) is provided with a limiting assembly; and the upper end of the inclined column (221) is fixedly connected to the clamping claw (226).

4. The static plate clamping fixture according to claim 3, characterized in that: The inclined columns (221) are arranged in a uniform circular array.

5. The static plate clamping fixture according to claim 4, characterized in that: The limiting assembly comprises a limiting groove (222) and a limiting block (223); the limiting groove (222) is provided on the side wall of the inclined column (221); the limiting block (223) is fixedly connected to the inner side wall of the disk body (224); and the limiting block (223) is connected to the limiting groove (222) in a limiting sliding manner.

6. The static plate clamping fixture according to claim 5, characterized in that: The rotation fitting assembly (3) comprises a rotation positioning block (31), a protrusion (32), a push cylinder (33), a reset assembly, a rotating rod (36) and a slide groove (37); the upper end of the base (10) is fixedly connected to the push cylinder (33) and the reset assembly; the side wall of the disk body (224) is provided with a slide groove (37), and the rotating rod (36) is limitedly slidably connected to the slide groove (37); the upper end of the fixed block (225) is rotatably connected to the rotation positioning block (31); the upper end of the rotation positioning block (31) is fixedly connected to the protrusion (32), and the lower end of the rotation positioning block (31) is fixedly connected to the rotating rod (36); one side wall of the rotating rod (36) is fitted with the output end of the push cylinder (33), and the other side wall of the rotating rod (36) is connected to the reset assembly.

7. The static plate clamping fixture according to claim 6, characterized in that: The reset assembly includes a cylinder (34) and a spring rod (35), the upper end of the base (10) is fixedly connected to the cylinder (34); the side wall of the cylinder (34) is slidably connected to the spring rod (35), a spring is provided inside the cylinder (34), one end of the spring is fixedly connected to the inner wall of the cylinder (34), and the other end of the spring is fixedly connected to the spring rod (35), and the side wall of the rotating rod (36) is in contact with the end of the spring rod (35).

8. The static plate clamping fixture according to claim 7, characterized in that: A dust cover (39) is fixedly connected to the cylinder body (34) and the upper end of the push cylinder (33).

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