CN112405324A

CN112405324A - Grinding clamp for sheet product

Info

Publication number: CN112405324A
Application number: CN202011103934.XA
Authority: CN
Inventors: 章景云
Original assignee: Dongguan Xinmeiyang Technology Co ltd
Current assignee: Dongguan Xinmeiyang Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-02-26
Anticipated expiration: 2040-10-15
Also published as: CN112405324B

Abstract

A grinding clamp for sheet products comprises a rotary table and a clamping assembly fixed on the surface of the rotary table along the radial direction, wherein the clamping assembly comprises a base body, a bearing seat inserted and arranged on the base body, a fixed plate, a clamping block limited between the bearing seat and the fixed plate, a spring arranged between the clamping block and the fixed plate, and a pull rod inserted and arranged in the base body along the radial direction, the pull rod drives the clamping block to move along the radial direction, a bearing groove is formed in the surface of the bearing seat, the bearing groove faces towards one side of the clamping block and is of an open structure, and the clamping block is abutted and pressed under the elasticity of the spring to clamp the sheet products arranged in the bearing groove to realize clamping. This application can realize the centre gripping to small-size slice product.

Description

Grinding clamp for sheet product

Technical Field

The invention relates to the field of metal processing, in particular to a grinding clamp for a sheet product.

Background

For some small plate-shaped products, the small plate-shaped products are usually punched out by stamping. However, some small metal products are used as appearance components of electronic devices, and the requirements for surface treatment, such as grinding and polishing, are high. When grinding and polishing, a corresponding product is required to be fixed by the clamp and then one of the surfaces is ground, but when a small plate-shaped product is required to be ground, the conventional clamp cannot clamp the product due to the fact that the plate-shaped product is simple in structure and small, and a new clamp scheme is required to grind the small product.

Disclosure of Invention

Based on the grinding clamp for the sheet products, the invention provides the grinding clamp for the sheet products, which realizes clamping by abutting against one side end face of the sheet products on the bearing seat through the clamping block, and solves the technical problem that the prior art cannot clamp small sheet products.

For solving above-mentioned technical problem, the application provides a slice product is with grinding anchor clamps, be fixed in along radial direction including the carousel centre gripping subassembly on the surface, the centre gripping subassembly include the pedestal, cartridge in bear seat, fixed plate on the pedestal, spacing in bear the seat with grip block between the fixed plate, arrange in the grip block with spring between the fixed plate and along inserting in along radial direction arrange in the pull rod in the pedestal, the pull rod drives the grip block moves along radial direction, bear the seat and be equipped with the bearing groove on the surface, the bearing groove orientation grip block one side is open structure, the grip block is in support under the elasticity of spring and hold to compress tightly and arrange in the slice product in the bearing groove realizes the centre gripping.

Preferably, the seat body is provided with a plurality of groups of groove structures in the length direction of the seat body, each group of groove structures comprises a bearing seat groove, a fixing plate groove and a sliding groove for communicating the bearing seat groove with the fixing plate groove, the bearing seat is fixed in the bearing seat groove, the fixing plate is fixed in the fixing plate groove, and the clamping block is limited in the sliding groove in a sliding manner.

Preferably, the base further includes a pull rod groove formed along the radial direction, the pull rod groove is used for inserting the pull rod, and the pull rod can be pulled outwards along the radial direction and drives the clamping block to move along the radial direction.

Preferably, the pull rod comprises a rod body and a pull cap fixed on the longitudinal outer side of the rod body, the rod body comprises a moving hole formed in the vertical direction and a through hole penetrating in the transverse direction, the clamping block comprises a clamping end portion, a pushed portion extending downwards from the clamping end portion and inserted into the moving hole, and sliding wing portions extending from the two transverse sides of the clamping block and limited in the sliding grooves.

Preferably, a first bolt hole is formed in the transverse outer wall of the seat body, the pull rod is limited in the seat body through the first bolt hole and the through hole, and the length of the through hole in the longitudinal direction is larger than the diameter of the first bolt hole, so that the rod body can move in the longitudinal direction.

Preferably, the fixing plate includes a support portion, first arm portions extending downward from both lateral sides of the support portion, and a first avoidance space formed between the pair of first arm portions, the rod portion is located in the first avoidance space, and the first arm portions pass over the rod portion downward.

Preferably, the bearing seat further includes a bearing portion, a pair of second arms extending downward from two lateral sides of the bearing portion, and a second avoiding space formed between the pair of second arms, the rod body is partially located in the second avoiding space, the pair of second arms pass through the rod body downward, two longitudinal sides of the first and second arms are respectively provided with a clamping groove, a second bolt hole is formed in the lateral outer side of the seat body, the fixing plate and the bearing seat respectively pass through the second through hole and the clamping groove through the plurality of second bolts to be fixed in the seat body, and the bearing groove is formed in the top surface of the bearing portion.

Preferably, draw the cap orientation pedestal one side is equipped with the bump, draw the cap can wind the body of rod rotates, the bump can block in the hole or the groove structure in the vertical outside of pedestal, draw the cap to rotate the back can also support and hold in on the vertical lateral surface of pedestal.

Preferably, during assembly, the rod body of the pull rod is inserted into the pull rod groove from the longitudinal inner side of the seat body, and at the moment, the pull rod is kept in an incomplete insertion state, so that the moving hole is correspondingly positioned at the position of the bearing seat groove; then, the clamping block is inserted into the bearing seat groove, the pushed part is inserted into the moving hole, then the rod body is inserted into the position, and meanwhile, the sliding wing part is moved into the sliding groove.

Preferably, a notch is formed in the longitudinal outer side of the fixing groove of the rotary disc, and the pull cap is located at the notch.

This application slice product is with grinding anchor clamps sets up the open bearing groove that is used for bearing the weight of slice product in one side through bearing the weight of the groove top surface, and rethread clamping block supports in radial direction's removal and holds the slice product and expose in on the terminal surface outside the bearing groove and realize the centre gripping to the slice product. The technical problem that a miniature sheet product cannot be clamped through a conventional clamp in the prior art is solved.

Drawings

FIG. 1 is a perspective assembly view of the grinding fixture for sheet products of the present application;

FIG. 2 is a perspective view of a clamping assembly of the present sheet product grinding fixture;

FIG. 3 is an exploded perspective view of a clamping assembly of the present abrasive sheet holder assembly;

FIG. 4 is an exploded perspective view of another angle of the clamping assembly of the abrasive sheet-form product grinding fixture of the present application;

fig. 5 is a sectional view taken along the broken line a-a shown in fig. 2.

The attached drawings are as follows:

a turntable-10; a tray body-11; a central bore-12; notch-13; a clamping assembly-A; a seat body-20; a body-21; a carrier pocket-22; a fixed plate groove-23; a sliding groove-24; a limiting part-241; a pull rod groove-25; a first keyhole-261; a second keyhole-262; a fixed plate-30; a support portion-31; a first arm portion-32; a first avoidance space-33; clamping grooves-35, 45; a bearing seat-40; a carrier portion-41; a second arm portion-42; a second avoidance space-43; a bearing groove-44; -441; a clamping block-50; a clamping end-51; a pushed portion-52; a sliding wing-53; a pull rod-60; a rod body-61; a pull cap-62; a bump-621; a mobile aperture-63; a first stud-64; perforation-65; spring-71; a second stud-72; sheet-like product-80; appearance surface-81; an inner side-82; product structure-83.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, the grinding jig for sheet products of the present application includes a turntable 10 and a plurality of clamping assemblies a fixed on the top surface of the turntable 10 along a radial direction. The turntable 10 is of a disc structure, and includes a table body 11, a plurality of mounting grooves (not shown) formed on the top surface of the table body 11 along a radial direction and used for fixing the clamping assembly a, a central hole 12 penetrating through the center of the table body 11, and a notch 13 formed by cutting off the outer edge of the mounting groove. And the lower surface of the turntable 10 is also fixed with components such as a handle and the like.

Referring to fig. 2 to 5, the clamping assembly a includes a base 20, a fixing plate 30, a carrying base 40, a clamping block 50 and a pull rod 60. The sheet product 80 clamped by the clamping assembly a comprises an outer surface 81, an inner surface 82 and a plurality of product structures 83 arranged on the inner surface, wherein the product structures 83 comprise structures such as grooves. The sheet-like product 80 has a thickness of 0.5 to 2 mm. The outer surface 81 is located on the outer side of the electronic device and is a surface to be polished.

The base 20 includes a body 21, a plurality of sets of bearing slots 22 formed along a length direction of the body 21, a fixing plate slot 23, a sliding slot 24 communicating the bearing slots 22 with the fixing plate slot 23, and a pull rod slot 25 penetrating two ends of the body 21 along a radial direction (a length direction of the body). Meanwhile, the length direction of the seat body 20 is defined as the longitudinal direction, and the width direction of the seat body is defined as the transverse direction.

The bearing seat groove 22, the fixing plate groove 23 and the sliding groove 24 form a group, each body 21 is provided with a plurality of groups of groove structures according to the length of the body 21, and each group of groove structures correspondingly and fixedly clamps one sheet-shaped product 80. The pull rod groove 25 is located at the lower side of the sliding groove 24, and the width of the middle of the sliding groove 24 is larger than the width of the surface and forms a limit portion 241.

The fixing plate 30 includes a support portion 31, a pair of first arm portions 32 extending downward from both lateral sides of the support portion 31, and a first escape space 33 formed between the pair of first arm portions 32. The surface of the support portion 31 facing the side of the bearing seat 40 is provided with a limiting hole 34.

The bearing seat 40 includes a bearing portion 41, a pair of second arm portions 42 extending downward from two lateral sides of the bearing portion 41, a second escape space 43 formed between the pair of second arm portions 42, and a bearing groove 44 opened on a bottom surface of the bearing portion 41. The bearing groove 44 is provided with a profiling structure 441 corresponding to the product structure 83 of the sheet product 80, so that the inner side 82 of the sheet product 80 is completely attached in the bearing groove 44.

The fixing plate 30 and the first and

second arms

32 and 42 of the bearing seat 40 are respectively provided with a plurality of clamping grooves 35 and 45 at two longitudinal sides thereof.

The clamping block 50 is assembled in the sliding groove 24 and can move in the sliding groove 24 along the longitudinal direction, and the clamping block 50 includes a clamping end 51, a pushed portion 52 formed by extending downward from the clamping end 51, and sliding wing portions 53 formed by extending from both lateral sides of the clamping block 50. The pushed portion 52 is inserted into the pull rod groove 25. The clamping block 50 is inserted from the bearing seat slot 22 or the fixing plate slot 23, and then longitudinally moved into the sliding slot 24, and the sliding wing part 53 is clamped into the limiting part 241 of the sliding slot 24 to prevent the clamping block 50 from being separated from the sliding slot 24.

The pull rod 60 comprises a rod body 61 and a pull cap 62 fixed on the radial outer side of the rod body 61, and the rod body 61 is provided with a plurality of moving holes 63 corresponding to the pushed parts 52 of the clamping blocks 50 in the vertical direction. The rod body 61 is further formed with a plurality of through holes 65 in a transverse direction, and the pull cap 62 is provided with a protruding point 621 on a side facing the seat body 20. The pull rod 60 is inserted into the pull rod groove 25 from the longitudinal outside of the holder body 20.

During assembly, the rod body 61 of the pull rod 60 is inserted into the pull rod groove 25 from the longitudinal inner side of the seat body 20, and at this time, the pull rod 60 cannot be inserted in place, but remains in an incomplete insertion state, so that the moving hole 63 is correspondingly located at the position of the bearing seat groove 22; then, the clamping block 50 is inserted into the bearing seat 22, the pushed portion 52 is inserted into the moving hole 63, and then the rod 61 is inserted into position, and at the same time, the sliding wing portion 53 is restrained in the restraining portion 241, and the rod 61 is fixed by at least two first studs 64 passing through the first stud holes 261 and the through holes 65 formed on the lateral outer side wall of the seat body 20. The length of the bore 65 in the longitudinal direction of the shaft 61 is greater than the diameter of the first peg 261 so that the shaft 61 can move in the longitudinal direction by the length of the bore 65 minus the diameter of the first peg 261. Subsequently, the bearing seat 40 and the fixing plate 30 are inserted into the bearing seat groove 22 and the fixing plate groove 23, the first and second avoiding spaces 33, 43 respectively accommodate the rod body 61 of the pull rod 60, and the clamping grooves 35, 45 of the first and

second arm portions

32, 42 respectively cross over at least the rod body 61 and are located at the other side, and then pass through the second bolt holes 262 opened on the lateral outer wall of the seat body 20 and the clamping grooves 35, 45 through the plurality of second bolts 262 to fix the bearing seat 40 and the fixing plate 30. And then the spring 71 clamped by the clamping block 50 and the fixing plate 30 is placed between the clamping block 50 and the fixing plate 30, or one end of the spring 71 is directly fixed in the limiting hole 34 of the clamping block 50 or the fixing plate 30. Finally, the pulling cap 62 is fixed to the longitudinal outer side of the rod 61, and the protruding point 621 is received in a hole (not shown) on the longitudinal outer side of the seat body 20. The clamping assemblies a are fixed in the radial direction in the mounting groove of the turntable 10, and the pull cap 62 is located at the notch 13 at the radial outer side of the mounting groove.

The clamping principle of this application centre gripping subassembly is as follows: pulling the pulling cap 62 and rotating the pulling cap 62 to make the salient point 621 abut against the longitudinal outer side of the seat body 20, and the clamping block 50 is driven by the moving hole 63 of the rod body 61 to move longitudinally and outwardly, so that the clamping end 51 of the clamping block 50 is far away from the bearing groove 44 of the bearing seat 40, and at this time, the sheet product 80 placed in the bearing groove 44 is separated from the clamping of the clamping end 51 of the clamping block 50. After the sheet product 80 is placed in the carrying groove 44, the pull cap 62 is rotated to make the protruding points 621 correspond to the hole structure on the longitudinal outer side of the base body 20, so that the spring 71 is restored, the clamping block 50 moves to abut against one side of the carrying seat 40, and the clamping end 51 of the clamping block 50 presses one side of the sheet product 80 to realize clamping. The upper surfaces of the bearing seat 40 and the clamping block 50 are not higher than the appearance surface 81 of the sheet product 80.

The carrying groove 44 is open at a side facing the clamping block 50, such that the side of the sheet product 80 disposed in the carrying groove 44 is exposed outside the carrying groove 44 and can be supported by the clamping block 50.

When grinding, the top is equipped with the head of polishing, and the below is this application and grinds anchor clamps and centre gripping has a plurality of slice products 80, realizes burnishing and polishing through rotating the head of polishing or rotating the anchor clamps of polishing.

According to the grinding clamp for the sheet products, the bearing groove 44 with one open side for bearing the sheet products 80 is arranged on the top surface of the bearing groove 40, and then the clamping block 50 moves in the radial direction to abut against the end face, exposed out of the bearing groove 44, of the sheet products 80, so that the sheet products 80 are clamped. The technical problem that a miniature sheet product cannot be clamped through a conventional clamp in the prior art is solved.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only express preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The grinding fixture for the flaky products is characterized by comprising a rotary table and a clamping assembly fixed on the surface of the rotary table along the radial direction, wherein the clamping assembly comprises a base body, a bearing seat inserted and arranged on the base body, a fixed plate, a clamping block limited between the bearing seat and the fixed plate, a spring arranged between the clamping block and the fixed plate and a pull rod inserted and arranged in the base body along the radial direction, the pull rod drives the clamping block to move along the radial direction, a bearing groove is formed in the surface of the bearing seat, the bearing groove faces one side of the clamping block and is of an open structure, and the clamping block is abutted under the elasticity of the spring to tightly press the flaky products arranged in the bearing groove to realize clamping.

2. A grinding jig for sheet products as set forth in claim 1, wherein the base has a plurality of sets of groove structures formed along a length direction thereof, each set of groove structures including a bearing groove, a fixing plate groove and a sliding groove communicating the bearing groove and the fixing plate groove, the bearing seat is fixed in the bearing groove, the fixing plate is fixed in the fixing plate groove, and the clamping block is slidably retained in the sliding groove.

3. A grinding jig for sheet products as set forth in claim 2, wherein the base further comprises a pull rod groove formed in a radial direction for inserting the pull rod, the pull rod being capable of pulling outward in the radial direction and moving the holding block in the radial direction.

4. A grinding jig for sheet products according to claim 3, wherein the pull rod includes a rod body and a pull cap fixed to a longitudinal outer side of the rod body, the rod body includes a moving hole formed in a vertical direction and a through hole formed to penetrate in a lateral direction, and the holding block includes a holding end portion, a pushed portion extending downward from the holding end portion and inserted into the moving hole, and a sliding wing portion extending from both lateral sides of the holding block and being retained in the sliding groove.

5. A grinding jig for sheet products according to claim 4, wherein said housing has a first bolt hole formed in a lateral outer wall thereof, said pull rod is retained in said housing by a first bolt passing through said first bolt hole and said through hole, and a length of said through hole in a longitudinal direction is larger than a diameter of said first bolt so that said rod body is movable in the longitudinal direction.

6. An abrading jig for sheet products according to claim 5, wherein said fixing plate includes a support portion, first arm portions formed to extend downward from both lateral sides of said support portion, and a first escape space formed between a pair of said first arm portions, said rod portion is located in said first escape space, and said first arm portions pass downward over said rod portion.

7. An abrasive machining fixture for sheet products as set forth in claim 6, wherein said carrier further includes a carrier, a pair of second arms extending downwardly from lateral sides of said carrier, and a second space defined between said pair of second arms, said rod being partially disposed in said second space, said pair of second arms extending downwardly across said rod, said first and second arms being formed with a holding groove on longitudinal sides thereof, said base being formed with a second bolt hole on lateral outer sides thereof, said fixing plate and said carrier being fixed in said base by a plurality of second bolts passing through said second through holes and said holding groove, respectively, said carrier being formed on a top surface of said carrier.

8. A grinding jig for sheet products as set forth in claim 7, wherein the drawing cap is provided with a protruding point on a side thereof facing the base, the drawing cap is rotatable around the rod, the protruding point is engageable in a hole or groove structure on a longitudinal outer side of the base, and the drawing cap is rotatable and then supportable against a longitudinal outer side surface of the base.

9. A grinding jig for sheet products according to claim 8, wherein when assembling, the rod body of the pull rod is inserted into the pull rod groove from the inner side of the longitudinal direction of the base body, and at this time, the pull rod is kept in an incomplete insertion state, so that the moving hole is correspondingly located at the position of the carrying base groove; then, the clamping block is inserted into the bearing seat groove, the pushed part is inserted into the moving hole, then the rod body is inserted into the position, and meanwhile, the sliding wing part is moved into the sliding groove.

10. A grinding jig for sheet products as set forth in claim 9, wherein the fixing groove of the turntable is notched at the outer side in the longitudinal direction thereof, and the pull cap is positioned at the notch.