CN112338583A

CN112338583A - Mechanical automation processing mounting fixture

Info

Publication number: CN112338583A
Application number: CN201910721291.6A
Authority: CN
Inventors: 马涛
Original assignee: Gutwell Machinery Manufacturing Tianjin Co ltd
Current assignee: Gutwell Machinery Manufacturing Tianjin Co ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2021-02-09

Abstract

A mechanical automation processing fixing clamp is characterized in that two groups of fixing vertical plates are symmetrically arranged on a fixing table; a first sliding rod and a second sliding rod are respectively arranged at the two ends of the fixed vertical plate; the driving device is horizontally connected to the fixed vertical plate, and the movable end of the driving device penetrates through the fixed vertical plate to be connected with the connecting block; the connecting block is rotationally connected with two groups of connecting rods through a first pin shaft; one ends of the two groups of connecting rods, which are far away from the connecting block, are respectively connected with the first clamping piece and the second clamping piece through second pin shafts; one end of the first clamping piece and one end of the second clamping piece are respectively connected to the first sliding rod and the second sliding rod in a sliding mode, a limiting baffle is arranged on one section, away from the fixed vertical plate, of the connecting rod, and the other end of the connecting rod is connected with the fixed pressing plate; the first spring sleeve is arranged on the periphery of the connecting rod, and two ends of the first spring sleeve are connected to the clamping piece and the limiting baffle respectively. The clamping fixture can fix workpieces with different sizes and specifications, has good clamping and fixing effects, has good protection effect on the clamped workpieces, and has strong practicability.

Description

Mechanical automation processing mounting fixture

Technical Field

The invention relates to the technical field of fixing clamps, in particular to a fixing clamp for mechanical automatic machining.

Background

A jig is a device for fixing a processing object to a correct position for receiving construction or inspection in a machine manufacturing process, and in a broad sense, a device for quickly, conveniently and safely mounting a workpiece in any process is called a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece needs to be assembled and clamped before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing. The traditional workpiece fixing method is characterized in that four pressing plates on four corners are used for fixing, the fixing method is low in efficiency, workpieces are easy to deform, and pressing plate marks can be left on the workpieces; another conventional way of side fastening is by side jacking with screws, which can cause the workpiece to warp.

In order to solve the problem, a mechanical automation processing fixing clamp is provided in the application.

Disclosure of Invention

Objects of the invention

In order to solve the technical problems in the background art, the invention provides a mechanical automatic processing fixing clamp which can be used for fixing workpieces with different sizes, has a good clamping and fixing effect, has a good protection effect on clamping the workpieces, and is strong in practicability.

(II) technical scheme

In order to solve the problems, the invention provides a mechanical automatic processing fixing clamp which comprises a fixing table, a first limiting plate, a second limiting plate, a driving device, a connecting block, a first pin shaft, a first clamping piece, a second pin shaft, a connecting rod, a first spring and a fixing pressing plate;

two groups of fixed vertical plates are symmetrically arranged on the fixed table; a first sliding rod and a second sliding rod are respectively arranged at the two ends of the fixed vertical plate; the first limiting plate and the second limiting plate are respectively arranged at the end parts of the first sliding rod and the second sliding rod; the driving device is horizontally connected to the fixed vertical plate, and the movable end of the driving device penetrates through the fixed vertical plate to be connected with the connecting block; the connecting block is rotationally connected with two groups of connecting rods through a first pin shaft; one ends of the two groups of connecting rods, which are far away from the connecting block, are respectively connected with the first clamping piece and the second clamping piece through second pin shafts; one ends of the first clamping piece and the second clamping piece are respectively connected to the first sliding rod and the second sliding rod in a sliding mode, and through holes are formed in the other ends of the first clamping piece and the second clamping piece; the connecting rod is arranged in the through hole in a sliding manner, a limiting baffle is arranged at one section of the connecting rod, which is far away from the fixed vertical plate, and the other end of the connecting rod is connected with the fixed pressing plate; the first spring sleeve is arranged on the periphery of the connecting rod, and two ends of the first spring sleeve are connected to the clamping piece and the limiting baffle respectively.

Preferably, the driving means is a hydraulic or pneumatic cylinder.

Preferably, the connecting rod periphery cover is equipped with the second spring, and the second spring both ends are connected respectively on clamping piece and fixed clamp plate.

Preferably, the fixed pressing plate is provided with a protective pad which is a rubber soft pad.

Preferably, a plurality of anti-skid protrusions are uniformly arranged on the protective pad.

The technical scheme of the invention has the following beneficial technical effects: the extension of drive arrangement drives the connecting rod and rotates, thereby drive first clamping piece and second clamping piece and slide back to back on first slide bar and second slide bar respectively, will treat that the machined part is placed on the fixed station, drive arrangement shrink resets, drive first clamping piece and second clamping piece and slide in opposite directions, can press from both sides tightly fixedly to the work piece of equidimension specification not, press from both sides tightly the work piece of placing on the fixed station through holding plate, four group's holding plate can be fine carry out fixed centre gripping to the work piece, holding plate is connected with first spring through the connecting rod, can ensure to fix the centre gripping and play certain guard action to the centre gripping work piece to the work piece, prevent to appear leading to the work piece to take place the damage because of. The clamping fixture can fix workpieces with different sizes and specifications, has good clamping and fixing effects, has good protection effect on the clamped workpieces, and has strong practicability.

Drawings

Fig. 1 is a schematic structural view of a mechanical automation processing fixing clamp according to the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a fixed table; 2. fixing the vertical plate; 3. a first slide bar; 4. a first limit plate; 5. a second slide bar; 6. a second limiting plate; 7. a drive device; 8. connecting blocks; 9. a first pin shaft; 10. a connecting rod; 11. a first clamping member; 12. a second clamping member; 13. a second pin shaft; 14. a through hole; 15. a connecting rod; 16. a limit baffle; 17. a first spring; 18. a second spring; 19. fixing the pressing plate; 20. a protective pad; 21. and (4) anti-skid bulges.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-2, the mechanical automation processing fixing clamp provided by the invention comprises a fixing table 1, a first limiting plate 4, a second limiting plate 6, a driving device 7, a connecting block 8, a first pin 9, a first clamping element 11, a second clamping element 12, a second pin 13, a connecting rod 15, a first spring 17 and a fixing pressing plate 19;

two groups of fixed vertical plates 2 are symmetrically arranged on the fixed table 1; a first slide bar 3 and a second slide bar 5 are respectively arranged at two ends of the fixed vertical plate 2; the first limiting plate 4 and the second limiting plate 6 are respectively arranged at the end parts of the first sliding rod 3 and the second sliding rod 5; the driving device 7 is horizontally connected to the fixed vertical plate 2, and the movable end of the driving device 7 penetrates through the fixed vertical plate 2 to be connected with the connecting block 8; two groups of connecting rods 10 are rotatably connected to the connecting block 8 through a first pin shaft 9; one ends of the two groups of connecting rods 10, which are far away from the connecting block 8, are respectively connected with a first clamping piece 11 and a second clamping piece 12 through a second pin shaft 13; one ends of a first clamping piece 11 and a second clamping piece 12 are respectively connected to the first sliding rod 3 and the second sliding rod 5 in a sliding mode, and the other ends of the first clamping piece 11 and the second clamping piece 12 are respectively provided with a through hole 14; the connecting rod 15 is arranged in the through hole 14 in a sliding manner, a section of the connecting rod 15, which is far away from the fixed vertical plate 2, is provided with a limiting baffle 16, and the other end of the connecting rod is connected with a fixed pressing plate 19; the first spring 17 is sleeved on the periphery of the connecting rod 15, and two ends of the first spring are respectively connected to the clamping piece and the limiting baffle 16.

In the invention, the driving device 7 extends to drive the connecting rod 10 to rotate, so that the first clamping piece 11 and the second clamping piece 12 are driven to respectively slide on the first slide bar 3 and the second slide bar 5 in a back-to-back manner, a workpiece to be machined is placed on the fixed table 1, the driving device 7 contracts and resets to drive the first clamping piece 11 and the second clamping piece 12 to slide in opposite directions, workpieces with different sizes and specifications can be clamped and fixed, the workpieces placed on the fixed table 1 are clamped through the fixed pressing plates 19, the four groups of fixed pressing plates 19 can well fixedly clamp the workpieces, the fixed pressing plates 19 are connected with the first springs 17 through the connecting rods 15, the fixed clamping of the workpieces can be ensured, certain protection effect on the clamped workpieces can be realized, and the damage of the workpieces caused by clamping can be prevented. The clamping fixture can fix workpieces with different sizes and specifications, has good clamping and fixing effects, has good protection effect on the clamped workpieces, and has strong practicability.

In an alternative embodiment, the driving means 7 is a hydraulic or pneumatic cylinder. The driving device 7 drives the clamping piece to move in opposite directions or in opposite directions, workpieces of different sizes can be clamped, the hydraulic cylinder or the air cylinder can achieve a telescopic function well, and the clamping effect is guaranteed.

In an alternative embodiment, the connecting rod 15 is sleeved with a second spring 18, and the two ends of the second spring 18 are respectively connected to the clamping piece and the fixed pressure plate 19. The second spring 18 is arranged to enhance the fixing effect of the fixed pressing plate 19, so that the workpiece is protected by the fixed pressing plate, the clamping stability is improved, and the stability of the workpiece during processing is ensured.

In an alternative embodiment, a protective pad 20 is disposed on the fixed platen 19, and the protective pad 20 is a rubber cushion. The fixed pressing plate 19 compresses tightly fixedly to the work piece, extrudes the work piece easily and damages compressing tightly the in-process, and the setting of protection pad 20 is effectively protected compressing tightly the work piece, and the rubber cushion is with low costs, and the protection is effectual.

In an alternative embodiment, the protective pad 20 is uniformly provided with a plurality of anti-slip protrusions 21. The protective pad 20 enhances the protection effect on the clamped workpiece, and the arrangement of the anti-skid protrusions 21 ensures that the stability of clamping is improved while the workpiece is protected.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A mechanical automatic processing fixing clamp is characterized by comprising a fixing table (1), a first limiting plate (4), a second limiting plate (6), a driving device (7), a connecting block (8), a first pin shaft (9), a first clamping element (11), a second clamping element (12), a second pin shaft (13), a connecting rod (15), a first spring (17) and a fixing pressing plate (19);

two groups of fixed vertical plates (2) are symmetrically arranged on the fixed table (1); a first sliding rod (3) and a second sliding rod (5) are respectively arranged at the two ends of the fixed vertical plate (2); the first limiting plate (4) and the second limiting plate (6) are respectively arranged at the end parts of the first sliding rod (3) and the second sliding rod (5); the driving device (7) is horizontally connected to the fixed vertical plate (2), and the movable end of the driving device (7) penetrates through the fixed vertical plate (2) to be connected with the connecting block (8); two groups of connecting rods (10) are rotatably connected to the connecting block (8) through a first pin shaft (9); one ends of the two groups of connecting rods (10) far away from the connecting block (8) are respectively connected with the first clamping piece (11) and the second clamping piece (12) through second pin shafts (13); one ends of a first clamping piece (11) and a second clamping piece (12) are respectively connected to the first sliding rod (3) and the second sliding rod (5) in a sliding mode, and through holes (14) are formed in the other ends of the first clamping piece (11) and the second clamping piece (12); the connecting rod (15) is arranged in the through hole (14) in a sliding manner, a section of the connecting rod (15) far away from the fixed vertical plate (2) is provided with a limit baffle (16), and the other end of the limiting baffle is connected with the fixed pressing plate (19); the first spring (17) is sleeved on the periphery of the connecting rod (15), and two ends of the first spring are respectively connected to the clamping piece and the limiting baffle (16).

2. The mechanical automated processing fixture of claim 1, wherein the driving device (7) is a hydraulic cylinder or an air cylinder.

3. The mechanical automation processing fixing clamp as claimed in claim 1, characterized in that the connecting rod (15) is sleeved with a second spring (18), and two ends of the second spring (18) are respectively connected to the clamping member and the fixing pressure plate (19).

4. The mechanical automation processing fixing clamp according to claim 1, characterized in that a protection pad (20) is arranged on the fixing pressure plate (19), and the protection pad (20) is a rubber soft pad.

5. The mechanical automation processing fixing clamp as claimed in claim 4, wherein a plurality of anti-skid protrusions (21) are uniformly arranged on the protection pad (20).