CN213140528U

CN213140528U - Clamping device

Info

Publication number: CN213140528U
Application number: CN202021715183.2U
Authority: CN
Inventors: 林伟健; 赖玉活; 黄艳; 龙裕嘉; 张树林; 许煊煚
Original assignee: Lushan College of Guangxi University of Science and Technology
Current assignee: Lushan College of Guangxi University of Science and Technology
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-07
Anticipated expiration: 2030-08-17

Abstract

The utility model provides a clamping device, which comprises a support frame and a clamping component, wherein the clamping component comprises a first lifting plate, a first driving piece, a second lifting plate, a second driving piece, a clamping piece and a horizontal driving piece; the second driving piece is arranged on the second lifting plate and connected with the clamping piece to drive the clamping piece to move along the vertical direction, and the horizontal driving piece is arranged on the supporting frame and connected with the first lifting plate for clamping the assembly to drive the clamping piece to move along the horizontal direction. According to the clamping device, the clamping piece adopts a method of overlapping the first driving piece and the second driving piece to realize the vertical movement of twice different strokes of clamping and taking and assembling, so that two sets of clamping devices are not required, the equipment space can be saved, and the equipment cost can be reduced.

Description

Clamping device

Technical Field

The utility model relates to a production facility technical field especially relates to a press from both sides and get device.

Background

Referring to fig. 1, the hydraulic cylinder 200 is an indispensable buffer element on the hydraulic hinge, and generally includes a cylinder body 210 and a piston rod 220 connected to the cylinder body 210, a fixing lug 230 is disposed at a free end of the piston rod 220, and through holes 240 are disposed on both the cylinder body 210 and the fixing lug 230. When the hydraulic oil cylinder is assembled, the through hole 240 of the cylinder body 210 and the through hole 240 of the fixing lug 230 of the piston rod 220 need to be adjusted to be horizontal for subsequent horizontal riveting. In the prior art, some manufacturers use machine learning and machine vision to complete the detection of the through hole, and need to cooperate with the clamping device in the detection process so as to transfer the hydraulic oil cylinder in the feeding device to the detection device before detection, and transfer the hydraulic oil cylinder on the detection device to the assembly jig after detection to complete assembly. Get before the detection and get the material and press from both sides the stroke difference of getting the device after the assembly two in-process after the detection, adopt two to press from both sides the device and get hydraulic cylinder to press from both sides to two strokes at present and get, lead to equipment area occupied big, and with high costs.

Disclosure of Invention

The utility model discloses aim at solving one of above-mentioned technical problem at least, provide a press from both sides and get device, it can save equipment space.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

a clamping device comprises a supporting frame and a clamping assembly, wherein the clamping assembly comprises a first lifting plate, a first driving piece, a second lifting plate, a second driving piece, a clamping piece and a horizontal driving piece; the second driving piece is arranged on the second lifting plate and connected with the clamping piece to drive the clamping piece to move along the vertical direction, and the horizontal driving piece is arranged on the supporting frame and connected with the first lifting plate for clamping the assembly to drive the clamping piece to move along the horizontal direction.

Furthermore, the clamping device comprises two clamping assemblies which are arranged oppositely in parallel, the supporting frame is provided with a first slide rail, a second slide rail and a third slide rail facing to the side faces of the clamping assemblies, the first slide rail, the second slide rail and the third slide rail are all parallel to the horizontal direction, the first slide rail, the second slide rail and the third slide rail are distributed in sequence along the vertical direction, a first lifting plate of one clamping assembly is respectively in sliding connection with the first slide rail and the second slide rail, and a first lifting plate of the other clamping assembly is respectively in sliding connection with the first slide rail and the third slide rail.

Furthermore, the first lifting plate comprises a plate body and two sliding blocks arranged on one side of the plate body facing the support frame, the two sliding blocks are vertically distributed at intervals, each sliding block comprises a sliding plate, a connecting plate and a fixing plate, the sliding plates are parallel and opposite to the fixing plates, the connecting plates are connected with the sliding plates and the fixing plates, the side faces of the sliding plates facing the support frame are provided with slideways, two slideways corresponding to one clamping assembly are respectively in sliding connection with the first sliding rail and the second sliding rail, and two slideways corresponding to the other clamping assembly are respectively in sliding connection with the first sliding rail and the third sliding rail; the fixing plates are connected with the corresponding plate bodies; the first driving piece is arranged on one side of the plate body, which is back to the supporting frame; the horizontal driving pieces are connected with the corresponding connecting plates.

Furthermore, the sliding plate is detachably connected with the slide way through a bolt, and the fixed plate is detachably connected with the corresponding first lifting plate through a bolt; the horizontal driving piece is detachably connected with the corresponding connecting plate through bolts.

Furthermore, the clamping assembly further comprises a buffer, and the buffer is arranged on the supporting frame and is positioned at the tail end of the stroke of the horizontal driving piece.

Furthermore, a first guide rail is arranged on the side surface, facing the second lifting plate, of the first lifting plate, a first guide groove is correspondingly arranged on the side surface, facing the first lifting plate, of the second lifting plate, and the first guide groove is connected with the first guide rail in a sliding mode so as to guide the movement of the second lifting plate.

Furthermore, the clamping piece is connected with the second driving piece through a third lifting plate.

Furthermore, a second guide rail is arranged on the side surface, facing the third lifting plate, of the second lifting plate, a second guide groove is correspondingly arranged on the side surface, facing the second lifting plate, of the third lifting plate, and the second guide groove is connected with the second guide rail in a sliding mode so as to guide the movement of the clamping piece.

Further, the clamping piece comprises a clamping cylinder and a pair of clamping jaws connected with the clamping cylinder, the clamping cylinder is connected with the third lifting plate, and the clamping jaws are connected with the clamping cylinder to clamp under the driving of the clamping cylinder.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

according to the clamping device, the clamping piece adopts a method of overlapping the first driving piece and the second driving piece to realize the vertical movement of twice different strokes of clamping and taking and assembling, so that two sets of clamping devices are not required, the equipment space can be saved, and the equipment cost can be reduced. The clamping device comprises two clamping assemblies which can work in parallel, so that the production efficiency is further improved. The two clamping assemblies are in a double-sliding-rail mode in the transverse moving mode, so that the transverse moving is stable, and the two clamping assemblies share the first sliding rail to further save the installation space.

Drawings

FIG. 1 is a perspective view of a prior art hydraulic ram.

Fig. 2 is a perspective view of the clamping device according to a preferred embodiment of the present invention.

Fig. 3 is an enlarged view of a part of the structure of the grasping apparatus shown in fig. 2.

Description of the main elements

3. A gripping device; 31. a support frame; 311. a first slide rail; 312. a second slide rail; 313. a third slide rail; 34. a gripping assembly; 340. a first lifter plate; 3401. a plate body; 3403. a slider; 3404. a slide plate; 3405. a slideway; 3406. a connecting plate; 3407. a fixing plate; 341. a first driving member; 342. a second lifter plate; 343. a second driving member; 344. a horizontal drive member; 345. clamping and taking the workpiece; 3451. a gripper cylinder; 3453. a clamping jaw; 346. a third lifter plate; 35. a buffer; 200. a hydraulic cylinder; 210. a cylinder body; 220. a piston rod; 230. fixing the ear; 240. and a through hole.

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.

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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a clamping device 3 for clamping and assembling a hydraulic cylinder 200 during a hydraulic hinge production process. The hydraulic cylinder 200 includes a cylinder 210 and a piston rod 220 connected to the cylinder 210, the piston rod 220 can rotate relative to the cylinder 210, a fixing lug 230 is provided at a free end of the piston rod 220, and through holes 240 are provided on both the cylinder 210 and the fixing lug 230. The structure of the hydraulic cylinder 200 is well known in the art and will not be described herein for brevity.

Referring to fig. 3, the gripping device 3 includes a supporting frame 31 and two gripping assemblies 34 connected to the supporting frame 31, the two gripping assemblies 34 are parallel and opposite to each other, and are respectively used for gripping and positioning two hydraulic cylinders 200. Each gripping assembly 34 includes a first lifting plate 340, a first driving member 341, a second lifting plate 342, a second driving member 343, a gripping member 345, and a horizontal driving member 344. The first lifting plate 340 is slidably connected with the supporting frame 31, the first driving member 341 is installed on the first lifting plate 340, and the second lifting plate 342 is connected with the first driving member 341 so as to move vertically under the driving of the first driving member 341; the second driving member 343 is disposed on the second lifting plate 342 and connected to the clamping member 345 to drive the clamping member 345 to move vertically, and the clamping member 345 is used for clamping the hydraulic cylinder 200. The horizontal driving member 344 is disposed on the supporting frame 31 and connected to the first lifting plate 340 of the corresponding gripping assembly 34 to drive the corresponding gripping assembly 34 to move along the horizontal direction, so as to adjust the horizontal position of the gripping assembly 34.

In this embodiment, the first lifting plate 340 is slidably connected to the supporting frame 31, specifically: a first slide rail 311, a second slide rail 312 and a third slide rail 313 are arranged on the side surface of the support frame 31 facing the clamping component 34, the first slide rail 311, the second slide rail 312 and the third slide rail 313 are all parallel to the horizontal direction, and the first slide rail 311, the second slide rail 312 and the third slide rail 313 are sequentially distributed along the height direction; the first lifting plate 340 comprises a plate body 3401 and two sliding blocks 3403 arranged on one side of the plate body 3401 facing the support frame 31, wherein the two sliding blocks 3403 are distributed at intervals along the height direction; the plate body 3401 of one of the clamping assemblies 34 is slidably connected to the first slide rail 311 and the second slide rail 312 through the two corresponding slide blocks 3403, and the first lifting plate 340 of the other clamping assembly 34 is slidably connected to the first slide rail 311 and the third slide rail 313 through the two corresponding slide blocks 3403. In the present embodiment, the slider 3403 is substantially in a Z-shaped block shape, and includes a sliding plate 3404, a connecting plate 3406, and a fixing plate 3407, the sliding plate 3404 is parallel to and opposite to the fixing plate 3407, the connecting plate 3406 vertically connects the sliding plate 3404 and the fixing plate 3407, and a slide 3405 is installed on a side of the sliding plate 3404 facing the support frame 31; two slideways 3405 corresponding to one of the clamping assemblies 34 are respectively connected with the first sliding rail 311 and the second sliding rail 312 in a sliding manner, and two slideways 3405 corresponding to the other clamping assembly 34 are respectively connected with the first sliding rail 311 and the third sliding rail 313 in a sliding manner; the fixing plates 3407 are coupled to the corresponding plate 3401. In this embodiment, the sliding plate 3404 is detachably connected to the sliding rail 3405 by bolts, and the fixing plate 3407 is detachably connected to the corresponding plate 3401 by bolts. When the adjustable clamp is used, the front and back positions of the clamping piece 46 can be adjusted by loosening the bolts to replace different sliding blocks 3403.

In this embodiment, a vertical first guide rail (not shown) is installed on a side surface of the first lifting plate body 3401 facing the second lifting plate 342, and a first guide groove (not shown) is correspondingly installed on a side surface of the second lifting plate 342 facing the first lifting plate 340, and the first guide groove is slidably connected with the first guide rail to guide the movement of the second lifting plate 342.

The first driving member 341 is installed on one side of the plate 3401 opposite to the supporting frame 31; the second driving member 343 is disposed on a side of the second lifting plate 342 opposite to the supporting frame 31. The gripping member 345 is connected to the second driving member 343 via a third lifting plate 346. In this embodiment, the clamping device 345 includes a clamping cylinder 3451 and two clamping jaws 3453, the clamping cylinder 3451 is connected to the third lifting plate 346, and both clamping jaws 3453 are connected to the clamping cylinder 3451. Under the drive of the gripper cylinder 3451, the two gripping claws 3453 can be brought close to each other to grip the cylinder 210 of the hydraulic cylinder 200, or the two gripping claws 3453 can be brought away from each other to release the hydraulic cylinder 200. The clamping by the clamping cylinder 3451 driving the clamping jaw 3453 belongs to the prior art and is not described herein for brevity. In this embodiment, a vertical second guide rail (not shown) is further installed on a side surface of the second lifting plate 342 facing the third lifting plate 346, a second guide groove (not shown) is correspondingly installed on a side surface of the third lifting plate 346 facing the second lifting plate 342, and the second guide groove is slidably connected with the second guide rail to guide the movement of the gripper 345.

In this embodiment, the horizontal driving member 344 is a cylinder horizontally disposed, a cylinder body thereof is installed on the supporting frame 31, and a piston rod of the cylinder is detachably connected to the connecting plate 3406 of one of the sliders 3403 corresponding to the first lifting plate 340 by a bolt. The Z-shaped block-shaped sliding block 3403 is adopted, so that the installation of elements such as the horizontal driving part 344 and the like is more convenient, the structure of the clamping device 3 is more compact, and the space is saved.

Each gripping assembly 34 further includes a buffer 35, and the buffer 35 is mounted on the supporting frame 31 and located at the end of the stroke of the corresponding horizontal driving member 344 for limiting and buffering the corresponding horizontal driving member 344. The structure of the buffer 35 is prior art and will not be described herein for brevity.

In this embodiment, the first driving member 341 and the second driving member 343 may be provided with cylinders having different strokes, so as to be suitable for up and down movements of different processes having different strokes.

When the clamping device 3 is used, in the material taking process before the detection of the through hole 240, the second driving member 343 drives the clamping member 345 to move vertically downwards for a preset distance, and clamps the hydraulic cylinder 200 located on the feeding device (not shown) through the clamping member 345, and then drives the clamping member 345 to move vertically upwards for a preset distance through the second driving member 343, so that the clamped hydraulic cylinder 200 is located at the detection position of the detection device (not shown) to detect the through hole 240, thereby completing the positioning of the hydraulic cylinder 200.

In the assembly process after the detection of the through hole 240 is completed, the first driving member 341 drives the clamping member 345 to move vertically upward for a preset distance, and then the hydraulic cylinder 200 is placed on an assembly jig (not shown) by the cooperation of the horizontal driving member 344 to be assembled in the next step. The assembly of the hydraulic cylinder 200 on the assembly fixture belongs to the prior art, and is not described herein for brevity.

In the clamping device 3, the clamping element 345 adopts a method of overlapping the first driving element 341 and the second driving element 343 to realize the up-and-down movement of two different strokes of clamping and material taking and assembling, so that two sets of clamping devices are not required, the space of the equipment can be saved, and the cost of the equipment can be reduced. The gripping device 3 comprises two gripping assemblies 34, and the two gripping assemblies 34 can work in parallel to further improve the production efficiency. The two clamping assemblies 34 are moved in a double-sliding-rail manner to ensure smooth movement, and the first sliding rail 311 is shared by the two clamping assemblies 34 to further save the installation space.

In this embodiment, the stroke of the first driving member 341 is greater than that of the second driving member 343, it can be understood that in other embodiments, the stroke of the first driving member 341 may be set to be smaller than that of the second driving member 343, the first driving member 341 drives the clamping member 345 to move when the through hole 340 is identified, and the second driving member 343 drives the clamping member 345 to transport the hydraulic cylinder 200 to the assembly jig after the through hole 240 is identified and adjusted.

It will be appreciated that the gripping means 3 is not limited to hydraulic rams 200 and may be used for gripping other materials.

It is understood that the first driving member 341, the second driving member 343, and the horizontal driving member 344 are not limited to the air cylinders, and other linear driving devices may be used.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The clamping device is characterized by comprising a supporting frame (31) and a clamping assembly (34), wherein the clamping assembly (34) comprises a first lifting plate (340), a first driving piece (341), a second lifting plate (342), a second driving piece (343), a clamping piece (345) and a horizontal driving piece (344), the first lifting plate (340) is in sliding connection with the supporting frame (31), the first driving piece (341) is arranged on the first lifting plate (340), and the second lifting plate (342) is connected with the first driving piece (341) so as to move vertically under the driving of the first driving piece (341); the second driving piece (343) is arranged on the second lifting plate (342) and connected with the clamping piece (345) to drive the clamping piece (345) to move vertically, and the horizontal driving piece (344) is arranged on the supporting frame (31) and connected with the first lifting plate (340) of the clamping assembly (34) to drive the clamping assembly (34) to move horizontally.

2. The clamping device as claimed in claim 1, wherein the clamping device comprises two clamping assemblies (34) arranged in parallel and opposite to each other, a first sliding rail (311), a second sliding rail (312) and a third sliding rail (313) are arranged on the side of the support frame (31) facing the clamping assemblies (34), the first sliding rail (311), the second sliding rail (312) and the third sliding rail (313) are all parallel to the horizontal direction, and the first sliding rail (311), the second sliding rail (312) and the third sliding rail (313) are distributed in sequence along the vertical direction, wherein a first lifting plate (340) of one clamping assembly (34) is slidably connected with the first sliding rail (311) and the second sliding rail (312) respectively, and a first lifting plate (340) of the other clamping assembly (34) is slidably connected with the first sliding rail (311) and the third sliding rail (313) respectively.

3. The clamping device as claimed in claim 2, wherein the first lifting plate (340) comprises a plate body (3401) and two sliding blocks (3403) arranged on one side of the plate body (3401) facing the supporting frame (31), the two sliding blocks (3403) are distributed at intervals in the vertical direction, each sliding block (3403) comprises a sliding plate (3404), a connecting plate (3406) and a fixing plate (3407), the sliding plate (3404) is parallel and opposite to the fixing plate (3407), the connecting plate (3406) is connected with the sliding plate (3404) and the fixing plate (3407), a slide way (3405) is arranged on the side of the sliding plate (3404) facing the supporting frame (31), two slideways (3405) corresponding to one clamping assembly (34) are respectively connected with the first sliding rail (311) and the second sliding rail (312) in a sliding manner, and two slideways (3405) corresponding to the other clamping assembly (34) are respectively connected with the first sliding rail (311) and the third sliding rail (313) in a sliding manner; the fixing plates (3407) are connected with the corresponding plate bodies (3401); the first driving piece (341) is arranged on one side of the plate body (3401) back to the support frame (31); the horizontal drive members (344) are connected to respective link plates (3406).

4. The gripping apparatus of claim 3, wherein the sliding plate (3404) is detachably connected to the chute (3405) by bolts, and the fixed plate (3407) is detachably connected to the corresponding first lifting plate (340) by bolts; the horizontal driving member (344) is detachably connected with the corresponding connecting plate (3406) through bolts.

5. The grasping apparatus according to claim 1, wherein the grasping assembly (34) further includes a buffer (35), the buffer (35) being mounted on the support frame (31) at an end of travel of the horizontal drive member (344).

6. The gripping device according to claim 1, wherein the first lifting plate (340) has a vertical first guide rail on the side facing the second lifting plate (342), and the second lifting plate (342) has a corresponding first guide groove on the side facing the first lifting plate (340), the first guide groove being slidably connected to the first guide rail to guide the movement of the second lifting plate (342).

7. Gripping apparatus according to claim 1, characterised in that the gripping member (345) is connected to the second driving member (343) by means of a third lifting plate (346).

8. The gripping device according to claim 7, characterized in that the second lifting plate (342) is provided with a vertical second guide rail on the side facing the third lifting plate (346), and the third lifting plate (346) is provided with a corresponding second guide groove on the side facing the second lifting plate (342), the second guide groove being slidably connected to the second guide rail to guide the movement of the gripper (345).

9. The grasping apparatus according to claim 7, wherein the grasping member (345) comprises a grasping cylinder (3451) and a pair of jaws (3453) connected to the grasping cylinder, the grasping cylinder (3451) being connected to the third lifting plate (346), the jaws (3453) being connected to the grasping cylinder (3451) to perform the grasping operation by being driven by the grasping cylinder (3451).