CN223326244U

CN223326244U - A clamping device

Info

Publication number: CN223326244U
Application number: CN202422814980.0U
Authority: CN
Inventors: 曾宝根; 缪俊曦
Original assignee: Nanchang Jiangling Group Changfeng Automobile Industrial Equipment Co ltd
Current assignee: Nanchang Jiangling Group Changfeng Automobile Industrial Equipment Co ltd
Priority date: 2024-11-19
Filing date: 2024-11-19
Publication date: 2025-09-12
Anticipated expiration: 2034-11-19

Abstract

The utility model provides a clamping device, includes the installation base, the disc of placing of a quotation level is fixed through the mounting bracket on this installation base, install the ring through first actuating mechanism rotation on the installation base, this ring cover is established place the disc periphery, both are concentric to the ring can place the disc relatively and rotate, place disc top and ring top flush, first actuating mechanism is used for the drive the ring rotates, on the ring and slide respectively in the both sides of placing the disc and be equipped with the grip block, be equipped with on the ring respectively with two second actuating mechanism that the equal drive of grip block is connected, this second actuating mechanism is used for driving two the grip block slides relatively, this structure is comparatively simple, the centre gripping location before the mainly used work piece processing.

Description

Clamping device

Technical Field

The utility model relates to the technical field of clamping and positioning, in particular to a clamping device.

Background

In the processing of automobile parts, some positioning devices, such as clamping positioning devices, are often used quite frequently, and in some processing procedures, such as welding, for example, assembling parts, positioning operations are required to be performed on the parts of the automobile before the operation.

There are more clamping and positioning devices in the prior art, for example, patent literature with the publication number of CN216883238U and the name of polishing mechanism for processing automobile die-casting fittings discloses a polishing mechanism, the polishing mechanism comprises a bottom plate and a rotary table rotationally connected to the bottom plate, two clamping parts are slidably arranged on the rotary table and can slide on the rotary table to be close to or far away from each other, an automobile die-casting to be polished is placed on the rotary table, then the two clamping parts are respectively slid, the two clamping parts can respectively abut and clamp the die-casting from two sides of the automobile die-casting, so that the clamping and positioning of the die-casting is realized in the mode, and the subsequent polishing processing of the die-casting is facilitated.

However, in the use process of the mechanism, after the die casting is placed on the turntable by an operator, the relative orientation of the die casting relative to the turntable and the clamping part is locked, the clamping part can only clamp the part on the corresponding side of the clamping part along the sliding direction of the clamping part, sometimes because the positioning position of the die casting is not careful enough by the operator initially, or because the die casting has a certain special-shaped reason, the clamping part cannot clamp the side surface of the die casting sufficiently, unless the operator again lifts the die casting from the turntable and adjusts the positioning position of the die casting, but the die casting generally belongs to a metal casting, has a certain weight, so that the taking is laborious, and the operation time is wasted by manually adjusting the clamping part of the die casting, so that the position adjustment efficiency of the die casting before positioning is low.

Disclosure of utility model

The utility model aims at overcoming the defects of the prior art, and provides a clamping device which is used for solving the technical problem that the position adjustment efficiency of a workpiece to be polished before positioning is low because the specific placement position of the workpiece to be polished needs to be manually adjusted by some polishing clamping positioning devices in the background art.

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

the utility model provides a clamping device, includes the installation base, the disc of placing of a quotation level is fixed through the mounting bracket on this installation base, install the ring through first actuating mechanism rotation on the installation base, this ring cover is established place the disc periphery, both are concentric to the ring can place the disc relatively and rotate, place disc top and ring top flush, first actuating mechanism is used for the drive the ring rotates, on the ring and slide respectively in the both sides of placing the disc and be equipped with the grip block, be equipped with on the ring respectively with the equal actuating mechanism of drive connection of two grip blocks, this second actuating mechanism is used for driving two the grip block relative slip.

Working principle:

This structure can be used for assisting the location centre gripping before the work piece operation, and operating personnel need place the work piece that waits to process on placing the disc, afterwards, operating personnel's visual inspection work piece side can be used for more abundant carrying out the position of centre gripping, and after the judgement, operating personnel passes through first actuating mechanism drive the ring rotates, and then the ring drives two the grip block rotates to the side position that can carry out abundant centre gripping with the operating personnel's visual inspection and forms and correspond.

And then an operator drives the two clamping plates to be relatively close together through the second driving mechanism until the two clamping plates sufficiently clamp the two sides of the workpiece, and then the operator can perform other operations on the basis of firmly clamping and positioning the workpiece.

The beneficial effects of the utility model are as follows:

In the use process, an operator only needs to visually judge the side surface part of the workpiece which can be sufficiently clamped, then the first driving mechanism drives the circular ring to rotate, and then the circular ring drives the two clamping plates to rotate to correspond to the side surface part which can be sufficiently clamped and visually examined by the operator, and then the second driving mechanism drives the two clamping plates to be relatively close until the two clamping plates sufficiently clamp the two sides of the workpiece.

Therefore, in the use process, an operator does not need to strictly place the workpiece on the placing disc according to a certain position, and then the two clamping plates can be used for fully clamping and positioning the workpiece from two sides of the workpiece through the mutual matching of the first driving mechanism and the second driving mechanism, compared with the background art, the operation of moving the workpiece by the operator can be reduced, the workpiece can be rapidly clamped stably in an automatic adjusting mode, and the clamping and positioning efficiency is improved.

Further, first actuating mechanism includes first driving motor, first driving shaft and link, first driving motor and installation base fixed connection, first driving shaft locates first driving motor's output, and first driving shaft is vertical upwards and coaxial in placing the disc, the link is fixed between first driving shaft and ring, link and mounting bracket stagger in space.

Further, second actuating mechanism includes through installation pole and ring fixed connection's second driving motor, locates second driving motor output second driving shaft, two thread bush and two connecting rods, second driving shaft level sets up and its one side that is located the ring below, and this second driving shaft is the lead screw structure, and this second driving shaft uses the intermediate point as the screw thread opposite direction of boundary line on two sections axises, two the thread bush corresponds respectively with two sections axises threaded connection opposite in the second driving shaft, open on the ring has two horizontal and collineation's bar hole, two connecting rods one-to-one and two thread bush fixed connection, and two connecting rods one-to-one pass two bar holes and respectively with two grip block fixed connection, the connecting rod can follow corresponding bar hole horizontal slip.

Further, the ring is provided with a sliding jacking block with a wedge-shaped end part in a sliding manner, the sliding jacking block penetrates through the bottom of one clamping plate in a sliding manner, the sliding jacking block is consistent with the sliding direction of the clamping plate, and the end part of the sliding jacking block with the wedge-shaped end part faces the placing disc.

Further, a horizontal chute is formed in the top surface of the circular ring, a sliding driving block is slidably arranged in the chute, the sliding driving block is fixedly connected with the bottom of the sliding jacking block, and the sliding jacking block is in sliding butt joint with the top surface of the circular ring.

Further, the device further comprises a connecting mechanism, wherein the connecting mechanism is arranged between one connecting rod and the sliding driving block, and the connecting mechanism is used for driving the sliding driving block to slide away from the placing disc when the connecting rod drives the corresponding clamping plate to slide close to the placing disc and driving the sliding driving block to slide close to the placing disc when the connecting rod drives the corresponding clamping plate to slide away from the placing disc.

Further, the connecting mechanism comprises a middle rope and an elastic piece which can horizontally stretch and retract, the elastic piece is arranged in the chute and is connected with the sliding driving block, one end of the middle rope is connected with the connecting rod, and the other end of the middle rope can slidably pass through a penetrating hole formed in the circular ring and then is connected with the sliding driving block.

Further, the elastic piece belongs to a spring material structure.

Drawings

FIG. 1 is a front view of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an assembly structure for placing a disk, ring, and clamping plate in a top view;

Fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

The reference numerals indicate that the mounting base 1, the mounting frame 2, the placing disc 3, the circular ring 4, the clamping plate 5, the first driving motor 6, the first driving rotating shaft 7, the connecting frame 8, the mounting rod 9, the second driving motor 10, the second driving rotating shaft 11, the threaded sleeve 12, the connecting rod 13, the strip-shaped hole 14, the sliding jacking block 15, the sliding chute 16, the sliding driving block 17, the middle rope 18 and the elastic piece 19.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1, a clamping device comprises a mounting base 1, a disc 3 is horizontally placed on the mounting base 1 through a disc surface fixed by a mounting frame 2, a circular ring 4 is rotatably mounted on the mounting base 1 through a first driving mechanism, the circular ring 4 is sleeved on the periphery of the placed disc 3, the circular ring 4 and the circular ring are concentric, the circular ring 4 can rotate relative to the placed disc 3, the top of the placed disc 3 is flush with the top of the circular ring 4, the first driving mechanism is used for driving the circular ring 4 to rotate, clamping plates 5 are respectively and slidably arranged on two sides of the placed disc 3, and a second driving mechanism which is respectively and uniformly connected with the two clamping plates 5 is arranged on the circular ring 4 and is used for driving the two clamping plates 5 to slide relatively. This structure is in the use, and operating personnel does not need to place the work piece strictly according to certain position on placing disc 3, later through first actuating mechanism and second actuating mechanism's mutually supporting, can make two grip blocks 5 carry out abundant centre gripping location to the work piece from the work piece both sides respectively fast, compare with the background art, can reduce operating personnel and move the operation of work piece to can be again through automatic regulation mode, the quick centre gripping to the work piece is firm, improves centre gripping location efficiency.

As shown in fig. 1 and 2, the first driving mechanism includes a first driving motor 6, a first driving shaft 7 and a connecting frame 8, the first driving motor 6 is fixedly connected with the mounting base 1, the first driving shaft 7 is disposed at an output end of the first driving motor 6, the first driving shaft 7 is vertically upward and coaxial with the placement disc 3, the connecting frame 8 is fixed between the first driving shaft 7 and the circular ring 4, and the connecting frame 8 and the mounting frame 2 are spatially staggered. The first driving motor 6 is started, the first driving motor 6 drives the first driving rotating shaft 7 to rotate, and then the first driving rotating shaft 7 drives the connecting frame 8 and the circular ring 4 to rotate, so that the automatic driving mode is relatively simple and quick. The second driving mechanism comprises a second driving motor 10 fixedly connected with the circular ring 4 through a mounting rod 9, a second driving rotating shaft 11 arranged at the output end of the second driving motor 10, two thread sleeves 12 and two connecting rods 13, wherein the second driving rotating shaft 11 is horizontally arranged and is positioned at one side below the circular ring 4, the second driving rotating shaft 11 is of a screw rod structure, the middle point of the second driving rotating shaft 11 is used as a boundary line, the thread directions of the two second driving rotating shaft 11 on two sections of shaft sections are opposite, the two thread sleeves 12 are respectively in threaded connection with the two sections of shaft sections opposite to the second driving rotating shaft 11, the circular ring 4 is provided with two horizontal and collinear bar holes 14, the two connecting rods 13 are in one-to-one correspondence with the two thread sleeves 12, the two connecting rods 13 penetrate through the two bar holes 14 one-to-one and are respectively fixedly connected with the two clamping plates 5, and the connecting rods 13 can horizontally slide along the corresponding bar holes 14. The second driving motor 10 is started, the second driving motor 10 drives the second driving rotating shaft 11 to rotate, the second driving rotating shaft 11 drives the two threaded sleeves 12 to slide relatively, the connecting rod 13 slides in the corresponding strip-shaped hole 14, sliding approaching or sliding moving away of the two clamping plates 5 is achieved, the mode is more efficient and stable, the first driving motor 6 can drive the first driving rotating shaft 7 to rotate positively and negatively, touch situations of the connecting frame 8 and the mounting frame 2 in space positions are avoided, and normal operation of operation is guaranteed.

As shown in fig. 1 and 3, a sliding jacking block 15 with a wedge-shaped surface is slidably arranged on the circular ring 4, the sliding jacking block 15 passes through the bottom of one clamping plate 5 in a sliding manner, the sliding jacking block 15 is consistent with the sliding direction of the clamping plate 5, and the end of the sliding jacking block 15 with the wedge-shaped surface faces the placing disc 3. After the clamping operation is finished, an operator can slide the sliding jacking block 15, and then the wedge-shaped end of the sliding jacking block 15 can be inserted into a gap between the workpiece and the placing disc 3, so that the workpiece is jacked up, a good acting point is provided for the operator to take the workpiece, and the taking is easier.

As shown in fig. 1 and 3, the top surface of the ring 4 is provided with a horizontal chute 16, a sliding driving block 17 is slidably provided in the chute 16, the sliding driving block 17 is fixedly connected with the bottom of the sliding jacking block 15, and the sliding jacking block 15 is slidably abutted to the top surface of the ring 4. The sliding mounting of the sliding roof block 15 is achieved in this simple manner. The connecting mechanism is arranged between one connecting rod 13 and the sliding driving block 17, the connecting mechanism is used for driving the sliding driving block 17 to slide away from the placing disc 3 when the corresponding clamping plate 5 is driven by the connecting rod 13 to slide close to the placing disc 3, and is used for driving the sliding driving block 17 to slide close to the placing disc 3 when the corresponding clamping plate 5 is driven by the connecting rod 13 to slide away from the placing disc 3, and under the linkage action of the connecting mechanism, the sliding lifting block 15 can be driven to slide close to the workpiece when the clamping plate 5 slides away from the workpiece, and the workpiece is lifted up. The connecting mechanism comprises a middle rope 18 and a horizontally telescopic elastic piece 19, the elastic piece 19 is arranged in the chute 16 and is connected with the sliding driving block 17, the elastic piece 19 is of a spring material structure, one end of the middle rope 18 is connected with the connecting rod 13, and the other end of the middle rope is connected with the sliding driving block 17 after penetrating through a penetrating hole formed in the circular ring 4 in a sliding manner. The specific mode of the connecting mechanism is simpler, and the practicability is higher.

Working principle:

The operating personnel need place the work piece that waits to process on placing disc 3, afterwards, operating personnel's visual inspection work piece side can be used for more abundant position that carries out the centre gripping, and after the judgement, operating personnel passes through first actuating mechanism drive ring 4 rotates, and then ring 4 drives two grip block 5 rotates to the side position that can carry out abundant centre gripping with the operating personnel's visual inspection and forms and correspond.

Specifically, the first driving motor 6 is started, the first driving motor 6 drives the first driving shaft 7 to rotate, and then the first driving shaft 7 drives the connecting frame 8 and the ring 4 to rotate, so that the automatic driving mode is relatively simple and quick.

And then, an operator drives the two clamping plates 5 to be relatively close together through the second driving mechanism until the two clamping plates 5 sufficiently clamp two sides of a workpiece, specifically, a second driving motor 10 is started, the second driving motor 10 drives the second driving rotating shaft 11 to rotate, and then the second driving rotating shaft 11 drives the two threaded sleeves 12 to relatively slide, so that the connecting rod 13 slides in the corresponding strip-shaped holes 14, and the sliding approaching or sliding separating of the two clamping plates 5 is realized.

And then, operators can perform other operations on the basis of firmly clamping and positioning the workpiece.

After the clamping operation is finished, an operator can use the clamping plate 5, when the clamping plate 5 slides away from the workpiece, the intermediate rope 18 starts to be loosened, and then the elastic piece 19 pushes the sliding jacking block 15 to slide to be close to the workpiece, and jack the workpiece up from the placing disc 3, so that the operator can take the workpiece conveniently.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The clamping device is characterized by comprising a mounting base (1), wherein a disc surface-horizontal placing disc (3) is fixed on the mounting base (1) through a mounting frame (2), a circular ring (4) is rotatably arranged on the mounting base (1) through a first driving mechanism, the circular ring (4) is sleeved on the periphery of the placing disc (3), the circular ring and the circular ring are concentric, the circular ring (4) can rotate relative to the placing disc (3), the top of the placing disc (3) is flush with the top of the circular ring (4), the first driving mechanism is used for driving the circular ring (4) to rotate, clamping plates (5) are respectively and slidably arranged on the circular ring (4) on two sides of the placing disc (3), and a second driving mechanism which is respectively connected with the two clamping plates (5) in a driving mode is arranged on the circular ring (4) and is used for driving the two clamping plates (5) to slide relatively.

2. The clamping device according to claim 1, wherein the first driving mechanism comprises a first driving motor (6), a first driving rotating shaft (7) and a connecting frame (8), the first driving motor (6) is fixedly connected with the mounting base (1), the first driving rotating shaft (7) is arranged at the output end of the first driving motor (6), the first driving rotating shaft (7) is vertically upwards and is coaxial with the placing disc (3), the connecting frame (8) is fixed between the first driving rotating shaft (7) and the circular ring (4), and the connecting frame (8) and the mounting frame (2) are staggered in space.

3. The clamping device according to claim 1, wherein the second driving mechanism comprises a second driving motor (10) fixedly connected with the circular ring (4) through a mounting rod (9), a second driving rotating shaft (11) arranged at the output end of the second driving motor (10), two threaded sleeves (12) and two connecting rods (13), the second driving rotating shaft (11) is horizontally arranged and positioned at one side below the circular ring (4), the second driving rotating shaft (11) is of a screw rod structure, the second driving rotating shaft (11) takes a middle point as a boundary line, threads on two sections of shaft sections are opposite in direction, the two threaded sleeves (12) are respectively in threaded connection with two sections of shaft sections opposite to the second driving rotating shaft (11), two horizontal and collinear strip-shaped holes (14) are formed in the circular ring (4), the two connecting rods (13) are in one-to-one correspondence with the two threaded sleeves (12) and are fixedly connected, the two connecting rods (13) penetrate through the two holes (14) one-to-one correspondence with the two strip-shaped sleeves (12) and respectively are fixedly connected with the two connecting rods (13) along the horizontal strip-shaped holes (14).

4. A clamping device according to claim 3, wherein the ring (4) is provided with a sliding jacking block (15) with a wedge-shaped end, the sliding jacking block (15) passes through the bottom of one clamping plate (5) in a sliding manner, the sliding jacking block (15) is consistent with the sliding direction of the clamping plate (5), and the end of the sliding jacking block (15) with the wedge-shaped surface faces the placing disc (3).

5. The clamping device according to claim 4, wherein the top surface of the circular ring (4) is provided with a horizontal chute (16), a sliding driving block (17) is arranged in the chute (16) in a sliding manner, the sliding driving block (17) is fixedly connected with the bottom of the sliding jacking block (15), and the sliding jacking block (15) is in sliding abutting connection with the top surface of the circular ring (4).

6. A clamping device according to claim 5, further comprising a connecting mechanism arranged between one of the connecting rods (13) and the sliding driving block (17), wherein the connecting mechanism is used for driving the sliding driving block (17) to slide away from the placing disc (3) when the connecting rod (13) drives the corresponding clamping plate (5) to slide close to the placing disc (3) and driving the sliding driving block (17) to slide close to the placing disc (3) when the connecting rod (13) drives the corresponding clamping plate (5) to slide away from the placing disc (3).

7. A clamping device according to claim 6, wherein the connecting mechanism comprises a middle rope (18) and a horizontally telescopic elastic piece (19), the elastic piece (19) is arranged in the sliding groove (16) and is connected with the sliding driving block (17), one end of the middle rope (18) is connected with the connecting rod (13), and the other end of the middle rope is connected with the sliding driving block (17) after penetrating through a penetrating hole formed in the circular ring (4) in a sliding manner.

8. A clamping device according to claim 7, characterized in that the elastic element (19) is of spring material construction.