CN221516989U

CN221516989U - Clamp for clamping product from below

Info

Publication number: CN221516989U
Application number: CN202322858284.5U
Authority: CN
Inventors: 姜永权; 余新华; 蒋能文; 匡宝强
Original assignee: Guangdong Green Precision Components Co Ltd
Current assignee: Guangdong Green Precision Components Co Ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-08-13
Anticipated expiration: 2033-10-24

Abstract

The utility model discloses a clamp for clamping a product from below, which comprises a bracket, a movable plate and a positioning plate, wherein the bracket comprises a bottom plate, a reference panel and an air cylinder, a plurality of connecting columns are arranged on the bottom plate, the connecting columns are detachably connected with the reference panel, the reference panel is slidably connected with the movable plate, the two ends of the bottom plate are provided with the air cylinders, and the telescopic ends of the air cylinders are detachably connected with the movable plate; the locating plate is located under the reference panel and detachably connected with the movable plate, the product is located between the reference panel and the locating plate, and the bottom surface of the product is embedded into the locating plate. The clamp can be used for processing products with inclined surfaces, and forming surfaces with uniform depth can be milled.

Description

Clamp for clamping product from below

Technical Field

The utility model relates to the technical field of CNC fixture design, in particular to a fixture for clamping a product from below.

Background

Some electronic products have a housing or back shell that is fixed to the CNC to mill different shaped grooves, keys, and various molding surfaces into the interior side of the product. This requires the use of milling machine jigs to hold the product in place. The existing milling machine fixture generally takes a workbench of CNC as a reference surface to clamp a product downwards, so that the bottom surface of the product is parallel to the workbench of CNC. But sometimes the product working surface is not flat but has a certain inclination. At this time, the product is clamped downwards, the distance between the processing surface of the product and the milling cutter is easy to be different, and the thicknesses of the milled grooves, keys and molding surfaces are inconsistent, so that the requirements of the production process are not met.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a clamp for clamping a product from below.

The technical scheme of the utility model is as follows: the fixture comprises a bracket, a movable plate and a positioning plate, wherein the bracket comprises a bottom plate and a reference panel, a plurality of connecting columns are arranged on the bottom plate and detachably connected with the reference panel, the reference panel is in sliding connection with the movable plate, two ends of the bottom plate are provided with air cylinders, and telescopic ends of the air cylinders are detachably connected with the movable plate; the locating plate is located under the reference panel and detachably connected with the movable plate, the product is located between the reference panel and the locating plate, and the bottom surface of the product is embedded into the locating plate.

Further, the four corners of benchmark panel are equipped with first through-hole, and the spliced pole corresponds the position of first through-hole and is equipped with first screw hole, and first through-hole all is equipped with first bolt, and first bolt passes first through-hole and precesses first screw hole.

Further, the movable plate comprises a movable plate and a guide plate, the guide plate is arranged on one side, close to the air cylinder, of the movable plate, the guide plate and the movable plate are of an integrated structure, and the reference panel is provided with a different hole matched with the guide plate.

Further, one end of the guide plate, which is far away from the movable plate, is provided with a first lug, a second through hole is formed in the first lug, a second threaded hole is formed in the position, corresponding to the second through hole, of the movable end of the air cylinder, a second bolt is arranged in the second through hole, and the second bolt penetrates through the second bolt and is screwed into the second threaded through hole.

Further, a first groove is formed in the moving plate, and one side, close to the guide plate, of the first groove is attached to the side face of the positioning plate.

Further, a second groove is formed in the movable plate, and a second lug matched with the second groove is arranged on the movable plate.

Further, a third groove is formed in the positioning plate, and a plurality of positioning columns are arranged on the bottom surface of the third groove.

Compared with the prior art, the utility model has the advantages that: the bottom surface embedding locating plate of product, locating plate receive the promotion of cylinder to reciprocate, when the thickness of the machined surface both sides of product is inhomogeneous, and the promotion height of the cylinder of both sides is different for the inseparable kiss shape laminating of product machined surface and benchmark panel, consequently the degree of depth of milling surface can keep unanimously.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a stent of the present utility model;

FIG. 3 is a schematic view of a fly leaf according to the present utility model;

FIG. 4 is a schematic view of a locating plate according to the present utility model.

Wherein: 1. a bracket; 2. a movable plate; 3. a positioning plate; 11. a bottom plate; 12. a reference panel; 13. a first bolt; 14. a connecting column; 15. a cylinder; 121. processing a hole; 122. different holes; 21. a guide plate; 22. a moving plate; 23. a second bolt; 211. a first lug; 221. a first groove; 222. a second groove; 31. a second lug; 32. a third groove; 321. and positioning columns.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model.

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings:

as shown in fig. 1 to 4, a clamp for clamping a product from below comprises a bracket 1, a movable plate 2 and a positioning plate 3, wherein the bracket 1 comprises a bottom plate 11, a reference panel 12 and an air cylinder 15, a plurality of connecting columns 14 are arranged on the bottom plate 11, first through holes are formed in four corners of the reference panel 12, first threaded holes are formed in positions, corresponding to the first through holes, of the connecting columns 14, first bolts 13 are arranged in the first through holes, and the first bolts 13 penetrate through the first through holes and are screwed into the first threaded holes. The connecting column 14 is detachably connected with the reference panel 12, so that the reference panel 12 is convenient to detach and mount, the reference panel 12 corresponding to different products is provided with processing holes 121 with different numbers and shapes, and the milling cutter processes the processing surface of the products through the processing holes 121.

The movable plate 2 comprises a movable plate 22 and a guide plate 21, the guide plate 21 is arranged on one side, close to the air cylinder 15, of the movable plate 22, the guide plate 21 and the movable plate 22 are of an integrated structure, the reference panel 12 is provided with a different hole 122 matched with the guide plate 21, the guide plate 21 can freely penetrate through the different hole 122, the reference panel 12 is slidably connected with the movable plate 2, the two ends of the bottom plate 11 are provided with the air cylinder 15, one end, far away from the movable plate 22, of the guide plate 21 is provided with a first lug 211, the first lug 211 is provided with a second through hole, the movable end of the air cylinder 15 is provided with a second threaded hole corresponding to the position of the second through hole, the second through hole is provided with a second bolt 23, the second bolt 23 penetrates through the second bolt 23 and is screwed into the second threaded through hole, and the telescopic end of the air cylinder 15 is detachably connected with the first lug 211. The cylinder 15 drives the movable plate 2 to move up and down through the pilot hole 122. The surface of the moving plate 22 close to the first lug 211 is provided with a first groove 221, and one side of the first groove 221 close to the guide plate 21 is attached to the side surface of the positioning plate 3. The side of the moving plate 22 near the guide plate 21 is provided with a second groove 222. The positioning plate 3 slides into the moving plate 22 along one side of the first groove 221, and the second lugs 31 at both sides of the positioning plate 3 are inserted into the second grooves 222. The product is located between datum plate 12 and locating plate 3, and the bottom surface embedding locating plate 3 of product, and the one side that locating plate 3 is close to second lug 31 is equipped with third recess 32, and the bottom surface of third recess 32 is equipped with a plurality of reference columns 321, and third recess 32 and reference column 321 help the product to fix on locating plate 3. Different products require corresponding positioning plates 3 for fixing due to different structures, and the detachable positioning plates 3 are convenient to repeatedly install or detach.

The working principle of the specific embodiment of the utility model is as follows: the product to be processed is inserted into the third recess 32 of the positioning plate 3 with the inclined processing surface of the product facing the reference panel 12. The air cylinders 15 drive the movable plate 2 to move towards the reference panel 12, the air cylinders 15 on two sides of the bottom plate 11 are mutually independent, when the product processing surface has an inclination angle, the lifting heights of the air cylinders 15 on two sides are different, so that the product inclination processing surface is closely matched with the reference panel 12, and the processing depth of the subsequent milling surface can be kept uniform.

It will be understood that when an element is referred to as being "fixed 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. The terms "upper," "lower," "left," "right," "front," "back," and the like are used herein for illustrative purposes only.

The present invention is not limited in any way by the above-described preferred embodiments, but is not limited to the above-described preferred embodiments, and any person skilled in the art will appreciate that the present invention can be embodied in the form of a program for carrying out the method of the present invention, while the above disclosure is directed to equivalent embodiments capable of being modified or altered in some ways, it is apparent that any modifications, equivalent variations and alterations made to the above embodiments according to the technical principles of the present invention fall within the scope of the present invention.

Claims

1. A clamp for clamping a product from below, characterized by: the movable plate comprises a support (1), a movable plate (2) and a positioning plate (3), wherein the support (1) comprises a bottom plate (11) and a reference panel (12), a plurality of connecting columns (14) are arranged on the bottom plate (11), the connecting columns (14) are detachably connected with the reference panel (12), the reference panel (12) is slidably connected with the movable plate (2), air cylinders (15) are arranged at two ends of the bottom plate (11), and telescopic ends of the air cylinders (15) are detachably connected with the movable plate (2); the positioning plate (3) is arranged right below the reference panel (12) and detachably connected with the movable plate (2), a product is arranged between the reference panel (12) and the positioning plate (3), and the bottom surface of the product is embedded into the positioning plate (3).

2. A clamp for clamping a product from below as claimed in claim 1, wherein: the four corners of benchmark panel (12) are equipped with first through-hole, spliced pole (14) correspond the position of first through-hole and are equipped with first screw hole, first through-hole all is equipped with first bolt (13), first bolt (13) pass first through-hole and precession first screw hole.

3. A clamp for clamping a product from below as claimed in claim 1, wherein: the movable plate (2) comprises a movable plate (22) and a guide plate (21), wherein the guide plate (21) is arranged on one side, close to the air cylinder (15), of the movable plate (22), the guide plate (21) and the movable plate (22) are of an integrated structure, and the reference panel (12) is provided with a different hole (122) matched with the guide plate (21).

4. A clamp for clamping a product from below as claimed in claim 3, wherein: one end of the guide plate (21) far away from the movable plate (22) is provided with a first lug (211), a second through hole is formed in the first lug (211), a second threaded hole is formed in the position, corresponding to the second through hole, of the movable end of the air cylinder (15), a second bolt (23) is arranged in the second through hole, and the second bolt (23) penetrates through the second bolt (23) and is screwed into the second threaded through hole.

5. A clamp for clamping a product from below as claimed in claim 3, wherein: the movable plate (22) is provided with a first groove (221), and one side of the first groove (221) close to the guide plate (21) is attached to the side face of the positioning plate (3).

6. A clamp for clamping a product from below as claimed in claim 3, wherein: the movable plate (22) is provided with a second groove (222), and the movable plate (2) is provided with a second lug (31) matched with the second groove (222).

7. The fixture for holding a product from below as recited in claim 6, wherein: the positioning plate (3) is provided with a third groove (32), and the bottom surface of the third groove (32) is provided with a plurality of positioning columns (321).