CN217097450U

CN217097450U - Hydraulic clamp capable of achieving high-precision and quick positioning

Info

Publication number: CN217097450U
Application number: CN202220904789.3U
Authority: CN
Inventors: 吴亚军; 黄丽先
Original assignee: Changsha Senjie Gear Co ltd
Current assignee: Changsha Senjie Gear Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-08-02
Anticipated expiration: 2032-04-19

Abstract

The utility model discloses a hydraulically operated fixture of high accuracy quick location relates to hydraulically operated fixture technical field. The hydraulic cylinder is installed at the top of the top plate, a supporting column is fixed to the bottom of the top plate, a bottom plate is fixed to the bottom of the supporting column, a sliding plate is fixed to the bottom of the hydraulic cylinder, a transmission mechanism is arranged on the sliding plate and comprises a rubber plate, and a transmission rod is fixed to the top of the rubber plate. This hydraulic fixture of high accuracy quick location, after pressing from both sides tightly good to the machined part, can make rubber slab extrusion transfer line move toward the slide in, through the cooperation of movable rod, carriage release lever, stop gear and latch, and then can make the fixture block card advance the latch, make the fixture block by spacing can not the downstream, and then make slide and rubber slab fixed, do not continue the downstream, stop to apply the extrusion force to the machined part, prevent that the extrusion force that applies to the machined part is too big, cause the machined part impaired.

Description

Hydraulic clamp capable of achieving high-precision and quick positioning

Technical Field

The utility model relates to a hydraulically operated fixture technical field specifically is a hydraulically operated fixture of high accuracy quick location.

Background

The hydraulic clamp is a clamp driven by a hydraulic cylinder and has the characteristic of stable clamping.

Through retrieval, utility model patent with publication number CN214489785U discloses a high-precision and fast-positioning hydraulic clamp, when the device is in actual use, a workpiece is placed at the position of the inner bottom surface of the main body, then a hydraulic cylinder drives a pressure head to extrude the top surface of the workpiece, thereby fixing the position of the workpiece, meanwhile, the workpiece is supported through a contact block, the position of the workpiece can not be accidentally deviated, the function of improving the processing precision is achieved, the workpiece is limited through the contact block, thereby avoiding accidental deviation of the position of the workpiece in the pressing process, the whole structure is simple, the use is convenient, and the device is beneficial to actual use; above-mentioned hydraulic fixture drives the rubber slab when pressing from both sides tightly the machined part through the pressure head, when pressing from both sides tight dynamics when too big, can cause the machined part to warp, makes the unable use of machined part later stage, can influence the quality of product to a certain extent.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a hydraulically operated fixture of quick location of high accuracy has solved the problem that above-mentioned background art mentioned.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hydraulically operated fixture of high accuracy quick location, includes the pneumatic cylinder, the top at the roof is installed to the pneumatic cylinder, the bottom of roof is fixed with the support column, the bottom of support column is fixed with the bottom plate, the bottom of pneumatic cylinder is fixed with the slide, be provided with drive mechanism on the slide, drive mechanism includes the rubber slab, the top of rubber slab is fixed with the transfer line, the top of transfer line articulates there is the movable rod, the one end that the transfer line was kept away from to the movable rod articulates on the transfer line, be provided with stop gear on the transfer line.

Preferably, a sliding block is fixed at the bottom of the moving rod, the bottom of the sliding block is slidably mounted in a sliding groove, the sliding groove is formed in the inner wall of the sliding plate, a first spring is fixed on one side, away from the transmission rod, of the sliding block, and the side, away from the sliding block, of the first spring is fixed on the inner wall of the sliding plate.

Preferably, the limiting mechanism comprises a supporting block, the supporting block is fixed to the top of the moving rod, a guide rod penetrates through the supporting block, and one side, far away from the supporting block, of the guide rod is fixed to the clamping block.

Preferably, a second spring is fixed on one side of the clamping block close to the supporting block, and one side of the second spring far away from the clamping block is fixed on the supporting block.

Preferably, the inner wall of the support column is fixed with a connecting plate, and the connecting plate is provided with a plurality of groups of latch teeth.

Preferably, the fixture blocks are arranged in two groups, and the two groups of fixture blocks are symmetrically arranged by taking the central line of the top plate in the vertical direction as a symmetry axis.

(III) advantageous effects

The utility model provides a hydraulically operated fixture of high accuracy quick location. The method has the following beneficial effects:

(1) this hydraulic fixture of high accuracy quick location, after pressing from both sides tightly good to the machined part, can make rubber slab extrusion transfer line move toward the slide in, through the cooperation of movable rod, carriage release lever, stop gear and latch, and then can make the fixture block card advance the latch, make the fixture block by spacing can not the downstream, and then make slide and rubber slab fixed, do not continue the downstream, stop to apply the extrusion force to the machined part, prevent that the extrusion force of applying to the machined part is too big, cause the machined part impaired.

(2) This hydraulic fixture of high accuracy quick positioning, when removing the clamp to the machined part, through the control pneumatic cylinder, drive slide rebound, can make the inclined plane of the inclined plane extrusion latch of fixture block, and then because of the extrusion force, can make the fixture block be close to toward the slide, and then can make the slide drive rubber slab rebound, make the rubber slab keep away from the machined part, remove the clamp to the machined part and press from both sides fixedly.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure B of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure C in fig. 2 according to the present invention.

In the figure: 1. a hydraulic cylinder; 2. a top plate; 3. a support pillar; 4. a base plate; 5. a slide plate; 6. a transmission mechanism; 61. a rubber plate; 62. a transmission rod; 63. a movable rod; 64. a travel bar; 65. a slider; 66. a first spring; 7. a chute; 8. a limiting mechanism; 81. a support block; 82. a guide bar; 83. a second spring; 84. a clamping block; 9. a connecting plate; 10. and (4) clamping teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-precision and fast-positioning hydraulic clamp comprises a hydraulic cylinder 1, wherein the hydraulic cylinder 1 is installed at the top of a top plate 2, a supporting column 3 is fixed at the bottom of the top plate 2, a connecting plate 9 is fixed on the inner wall of the supporting column 3, a plurality of groups of latch teeth 10 are arranged on the connecting plate 9, a bottom plate 4 is fixed at the bottom of the supporting column 3, a workpiece is placed at the top of the bottom plate 4 when the workpiece is clamped and positioned, the sliding plate 5 drives a rubber plate 61 to move downwards by starting the hydraulic cylinder 1, when the rubber plate 61 moves downwards to a specified position, the rubber plate 61 is contacted with the workpiece, the rubber plate 61 clamps and fixes the workpiece, a sliding plate 5 is fixed at the bottom of the hydraulic cylinder 1, two sides of the sliding plate 5 are attached to the supporting column 3, a transmission mechanism 6 is arranged on the sliding plate 5, the transmission mechanism 6 comprises the rubber plate 61, and a transmission rod 62 is fixed at the top of the rubber plate 61, the transfer line 62 runs through the bottom of slide 5, the top of transfer line 62 articulates there is the movable rod 63, the one end that the transfer line 62 was kept away from to the movable rod 63 articulates on the movable rod 64, the movable rod 64 runs through the both sides of slide 5 and the lateral wall of support column 3, and the movable rod 64 can move in the department of running through of support column 3, the bottom of movable rod 64 is fixed with slider 65, slider 65's bottom slidable mounting is in spout 7, the inner wall at slide 5 is seted up to spout 7, one side that the transfer line 62 was kept away from to slider 65 is fixed with first spring 66, one side that slider 65 was kept away from to first spring 66 is fixed at the inner wall of slide 5, be provided with stop gear 8 on the movable rod 64.

The limiting mechanism 8 comprises a supporting block 81, the supporting block 81 is fixed at the top of the moving rod 64, a guide rod 82 penetrates through the supporting block 81, the guide rod 82 is slidably connected with the penetrating position of the supporting block 81, one side of the guide rod 82, which is far away from the supporting block 81, is fixed on a fixture block 84, two sets of fixture blocks 84 are arranged, the two sets of fixture blocks 84 are symmetrically arranged by taking the central line in the vertical direction of the top plate 2 as a symmetry axis, after a workpiece is clamped, the rubber plate 61 can extrude the transmission rod 62 to move towards the sliding plate 5, the fixture block 84 can be clamped into the fixture teeth 10 through the matching of the moving rod 63, the moving rod 64, the limiting mechanism 8 and the fixture teeth 10, the fixture block 84 is limited and cannot move downwards, the sliding plate 5 and the rubber plate 61 are fixed without continuously moving downwards, the extrusion force applied to the workpiece is stopped, and the workpiece is prevented from being damaged due to overlarge extrusion force applied to the workpiece, a second spring 83 is fixed to a side of the latch 84 close to the supporting block 81, and a side of the second spring 83 away from the latch 84 is fixed to the supporting block 81.

When the clamping device works (or is used), when a workpiece is clamped and fastened, the hydraulic cylinder 1 is started to control the sliding plate 5 to move downwards, so that the sliding plate 5 drives the rubber plate 61 to move downwards, when the rubber plate 61 moves downwards to a specified position, the rubber plate 61 is contacted with the workpiece, so that the rubber plate 61 clamps and fixes the workpiece, when the workpiece is clamped, the rubber plate 61 drives the transmission rod 62 to move towards the sliding plate 5 due to the extrusion force of the rubber plate 61, the two groups of movable rods 64 are separated from each other through the movable rods 63, the first spring 66 is compressed, so that the limiting mechanism 8 is driven to separate from each other, the clamping block 84 is clamped into the clamping teeth 10, the clamping block 84 is limited by the clamping teeth 10, the sliding plate 5 and the rubber plate 61 are fixed without continuously moving downwards, the extrusion force applied to the workpiece is stopped, and the overlarge extrusion force applied to the workpiece is prevented, the workpiece is damaged, when the clamping of the workpiece is released, the hydraulic cylinder 1 is controlled, the sliding plate 5 is driven to move upwards, the inclined surface of the clamping block 84 can be extruded to the inclined surface of the clamping tooth 10, the clamping block 84 can be close to the sliding plate 5 due to extrusion force, the second spring 83 is compressed, the sliding plate 5 can be driven to drive the rubber plate 61 to move upwards, the rubber plate 61 is far away from the workpiece, the clamping of the workpiece is released, when the rubber plate 61 is far away from the workpiece, the rubber plate 61 is free of extrusion force, the first spring 66 is in a compression state, the first spring 66 drives the sliding block 65 to be close to the transmission rod 62, the sliding block 65 drives the moving rod 64 to move, the transmission rod 62 and the rubber plate 61 return to the original position through the moving rod 63, and the next clamping work is carried out.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic fixture of high accuracy quick location, includes pneumatic cylinder (1), its characterized in that: the top at roof (2) is installed in pneumatic cylinder (1), the bottom of roof (2) is fixed with support column (3), the bottom of support column (3) is fixed with bottom plate (4), the bottom of pneumatic cylinder (1) is fixed with slide (5), be provided with drive mechanism (6) on slide (5), drive mechanism (6) include rubber slab (61), the top of rubber slab (61) is fixed with transfer line (62), the top of transfer line (62) articulates there is movable rod (63), the one end that transfer line (62) were kept away from in movable rod (63) articulates on transfer line (64), be provided with stop gear (8) on transfer line (64).

2. The hydraulic clamp with high precision and quick positioning as claimed in claim 1, wherein: the bottom of carriage release lever (64) is fixed with slider (65), the bottom slidable mounting of slider (65) is in spout (7), the inner wall in slide (5) is seted up in spout (7), one side that the transfer line (62) was kept away from in slider (65) is fixed with first spring (66), one side that slider (65) were kept away from in first spring (66) is fixed at the inner wall of slide (5).

3. The hydraulic clamp with high precision and quick positioning as claimed in claim 1, wherein: the limiting mechanism (8) comprises a supporting block (81), the supporting block (81) is fixed to the top of the moving rod (64), a guide rod (82) penetrates through the supporting block (81), and one side, far away from the supporting block (81), of the guide rod (82) is fixed to the clamping block (84).

4. A high precision and quick positioning hydraulic clamp as claimed in claim 3, wherein: a second spring (83) is fixed on one side, close to the supporting block (81), of the clamping block (84), and one side, far away from the clamping block (84), of the second spring (83) is fixed on the supporting block (81).

5. The hydraulic clamp with high precision and quick positioning as claimed in claim 1, wherein: the inner wall of support column (3) is fixed with connecting plate (9), be provided with multiunit latch (10) on connecting plate (9).

6. A high precision and quick positioning hydraulic clamp as claimed in claim 3, wherein: the two groups of the clamping blocks (84) are arranged, and the two groups of the clamping blocks (84) are symmetrically arranged by taking the central line of the top plate (2) in the vertical direction as a symmetry axis.