CN217019544U

CN217019544U - Four-axis hydraulically operated fixture

Info

Publication number: CN217019544U
Application number: CN202220985141.3U
Authority: CN
Inventors: 陈常森; 丁少杰
Original assignee: Qingdao Meisda Precision Machinery Co ltd
Current assignee: Qingdao Huaxiang Aviation Technology Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-07-22
Anticipated expiration: 2032-04-26

Abstract

The utility model discloses a four-axis hydraulic clamp which comprises a base, wherein the upper end of the base is fixedly connected with a fixed plate, a through hole penetrates through the front and the back of the fixed plate, a fixed shaft is fixedly installed in the through hole, a first clamping mechanism is arranged on the fixed shaft, vertical plates are fixedly connected to the left side and the right side of the fixed plate, and a second clamping mechanism is arranged on the vertical plates. The workpiece clamping device is simple in structure, convenient to operate and good in workpiece clamping stability.

Description

Four-axis hydraulic clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to a four-axis hydraulic clamp.

Background

The pressing clamp is a clamp which uses a hydraulic element to replace a mechanical part and realizes automatic positioning, supporting and clamping of a workpiece through hydraulic control. The hydraulic clamping fixture has the advantages of large clamping force, reliable clamping, stable work, convenience in use and the like, is widely applied to scenes such as numerical control machines, machining centers and automatic production lines, and can obtain the required fixture by assembling selected hydraulic elements and designed mechanical parts together.

When the existing hydraulic clamp clamps a workpiece, the process is more complicated when the workpiece is clamped due to the complex structure of the clamp, and the stability of clamping the workpiece is poor.

Therefore, a four-shaft hydraulic clamp is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a hydraulic clamp in the prior art is complex in clamping a workpiece and poor in clamping stability, and provides a four-shaft hydraulic clamp.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a four-axis hydraulically operated fixture, includes the base, the upper end fixedly connected with fixed plate of base, it is equipped with the perforation to run through around the fixed plate, fixed mounting has the fixed axle in the perforation, be equipped with first fixture on the fixed axle, the equal fixedly connected with riser in the left and right sides of fixed plate, be equipped with second fixture on the riser.

Preferably, first fixture includes the screw rod of being connected with the fixed axle front end rotation, screw rod external thread cover is equipped with the holder, holder and perforation inside wall sliding connection, the coaxial fixedly connected with turning handle of one end of fixed axle is kept away from to the screw rod.

Preferably, a U-shaped abutting plate is fixedly embedded on the upper side of the rear end of the clamping piece, and two arms of the U-shaped abutting plate face backwards.

Preferably, the second clamping mechanism comprises a connecting plate fixedly embedded at the upper end of the vertical plate, a clamping arm is arranged above the connecting plate, the middle part of the clamping arm is rotatably connected with the connecting plate through a rotating plate, a hydraulic cylinder is embedded in the connecting plate, and the upper end of the hydraulic cylinder is rotatably connected with one end of the clamping arm.

Preferably, two connecting plates are obliquely arranged.

Preferably, the upper end front side of fixed plate is equipped with the arc and places the fluting, the slotted inside wall fixed mounting is placed to the arc has two to the post, the equal fixed mounting in slotted interior bottom both sides is placed to the arc has two backing plates, the equal fixedly connected with L template in both ends about the fixed plate.

Compared with the prior art, the utility model has the beneficial effects that:

through placing the work piece and placing on two backing plates in the fluting with the arc, and with work piece and two support contact that offset, then through rotating the turning handle, the turning handle drives the screw rod and rotates, the screw rod drives holder and U type and supports the board and remove, support the board and support the contact and press from both sides tightly with the work piece until U type, drive the centre gripping arm through the pneumatic cylinder is flexible and rotate, support the contact and press from both sides tightly until the upper end of centre gripping arm and work piece, can carry out spacing fixed to the work piece, moreover, the steam generator is simple in structure, convenient operation just fixes through the multiple spot, the clamping stability to the work piece is good.

The workpiece clamping device is simple in structure, convenient to operate and good in workpiece clamping stability.

Drawings

Fig. 1 is a perspective view of a four-axis hydraulic clamp according to the present invention;

FIG. 2 is a perspective view of a rear view structure of a four-axis hydraulic clamp according to the present invention;

fig. 3 is a schematic front structural view of a four-axis hydraulic clamp according to the present invention;

fig. 4 is a schematic rear view of a four-axis hydraulic clamp according to the present invention.

In the figure: the device comprises a base 1, a fixing plate 2, a fixing shaft 3, a first clamping mechanism 4, a vertical plate 5, a second clamping mechanism 6, a screw rod 7, a clamping piece 8, a rotating handle 9, a 10U-shaped abutting plate, a connecting plate 11, a clamping arm 12, a rotating plate 13, a hydraulic cylinder 14, an arc-shaped placing groove 15, an abutting column 16, a base plate 17 and an L-shaped plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a four-axis hydraulic fixture, including base 1, the upper end fixedly connected with fixed plate 2 of base 1, run through around fixed plate 2 and be equipped with the perforation, fixed mounting has fixed axle 3 in the perforation, be equipped with first fixture 4 on the fixed axle 3, it is concrete, first fixture 4 includes the screw rod 7 of being connected with the rotation of fixed axle 3 front end, 7 external thread cover of screw rod is equipped with holder 8, holder 8 and perforation inside wall sliding connection, the coaxial fixedly connected with turning handle 9 of one end that fixed axle 3 was kept away from to screw rod 7, it needs to explain, the fixed embedding of the rear end upside of holder 8 is equipped with U type and supports board 10, the orientation of U type support board 10 both arms is backward, the equal fixedly connected with riser 5 in the left and right sides of fixed plate 2.

In the utility model, a second clamping mechanism 6 is arranged on a vertical plate 5, specifically, the second clamping mechanism 6 comprises a connecting plate 11 fixedly embedded at the upper end of the vertical plate 5, a clamping arm 12 is arranged above the connecting plate 11, the middle part of the clamping arm 12 is rotatably connected with the connecting plate 11 through a rotating plate 13, a hydraulic cylinder 14 is embedded in the connecting plate 11, the upper end of the hydraulic cylinder 14 is rotatably connected with one end of the clamping arm 12, it is worth mentioning that the two connecting plates 11 are both obliquely arranged, it should be noted that an arc placing slot 15 is arranged at the front side of the upper end of a fixed plate 2, two support posts 16 are fixedly arranged on the inner side wall of the arc placing slot 15, two backing plates 17 are fixedly arranged on both sides of the inner bottom of the arc placing slot 15, and L-shaped plates 18 are fixedly connected to both left and right ends of the fixed plate 2.

According to the utility model, a workpiece is placed on two base plates 17 in an arc-shaped placing groove 15 and is abutted against two abutting columns 16, then the rotating handle 9 is rotated, the rotating handle 9 drives the screw rod 7 to rotate, the screw rod 7 drives the clamping piece 8 and the U-shaped abutting plate 10 to move until the U-shaped abutting plate 10 is abutted against and clamped with the workpiece, the hydraulic cylinder 14 stretches and retracts to drive the clamping arm 12 to rotate until the clamping arm 12 is abutted against and clamped with the upper end of the workpiece, and the workpiece can be limited and fixed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a four-axis hydraulically operated fixture, includes base (1), its characterized in that, the upper end fixedly connected with fixed plate (2) of base (1), run through around fixed plate (2) and be equipped with the perforation, fixed mounting has fixed axle (3) in the perforation, be equipped with first fixture (4) on fixed axle (3), the equal fixedly connected with riser (5) in both sides about fixed plate (2), be equipped with second fixture (6) on riser (5).

2. The four-axis hydraulic clamp according to claim 1, wherein the first clamping mechanism (4) comprises a screw (7) rotatably connected with the front end of the fixed shaft (3), a clamping piece (8) is sleeved on the outer thread of the screw (7), the clamping piece (8) is slidably connected with the inner side wall of the through hole, and a rotating handle (9) is fixedly connected with one end, far away from the fixed shaft (3), of the screw (7) in a coaxial mode.

3. The four-shaft hydraulic clamp according to claim 2, wherein a U-shaped abutting plate (10) is fixedly embedded on the upper side of the rear end of the clamping piece (8), and two arms of the U-shaped abutting plate (10) face backwards.

4. Four-axis hydraulic clamp according to claim 1, wherein the second clamping mechanism (6) comprises a connecting plate (11) fixedly embedded at the upper end of the vertical plate (5), a clamping arm (12) is arranged above the connecting plate (11), the middle part of the clamping arm (12) is rotatably connected with the connecting plate (11) through a rotating plate (13), a hydraulic cylinder (14) is embedded in the connecting plate (11), and the upper end of the hydraulic cylinder (14) is rotatably connected with one end of the clamping arm (12).

5. Four-axis hydraulic clamp according to claim 4, characterized in that said two connection plates (11) are inclined.

6. The four-axis hydraulic fixture according to claim 1, wherein an arc-shaped placing groove (15) is formed in the front side of the upper end of the fixing plate (2), two abutting columns (16) are fixedly mounted on the inner side wall of the arc-shaped placing groove (15), two base plates (17) are fixedly mounted on two sides of the inner bottom of the arc-shaped placing groove (15), and L-shaped plates (18) are fixedly connected to the left end and the right end of the fixing plate (2).