CN222588842U

CN222588842U - A clamp capable of fixing multiple metal products

Info

Publication number: CN222588842U
Application number: CN202420365025.0U
Authority: CN
Inventors: 徐华明; 鞠华东; 王迪
Original assignee: Suzhou Jianyu Machinery Co ltd
Current assignee: Suzhou Jianyu Machinery Co ltd
Priority date: 2024-02-28
Filing date: 2024-02-28
Publication date: 2025-03-11
Anticipated expiration: 2034-02-28

Abstract

The utility model discloses a clamp capable of fixing a plurality of metal products, which comprises a base, wherein a workbench is arranged at the middle position of the upper end of the base, two ends of the workbench are welded and fixed with the base, a driving cavity is arranged in the base, a driving shaft is arranged in the driving cavity, two ends of the driving shaft are rotationally connected with the base, driving arms are arranged outside the driving shaft, at least six driving arms are arranged, the center positions of the driving arms are fixed with the driving shaft, connecting arms are arranged on two sides of each driving arm, a toggle rod is arranged on one side of each connecting arm, the toggle rod extends to the upper side of the workbench, a clamping block is arranged at the upper end of the toggle rod, and the clamping block and the toggle rod are integrally formed.

Description

Clamp capable of fixing multiple metal products

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp capable of fixing a plurality of metal products.

Background

Metal product fixtures play a critical role in the field of industrial manufacturing and processing. With advances in technology and the development of manufacturing, the range of metal product fixtures and applications is expanding, meaning tools for holding and positioning metal materials during manufacturing and processing. Early metal product clamps were relatively simple and were used primarily for manual operations such as pliers, wrenches, and the like. Along with the progress of industrialization, mechanical processing and automatic production are gradually popularized, and requirements on metal product clamps are also higher and higher, so that the use of the metal product clamps can greatly improve the production efficiency. Especially on the automatic production line, the proper clamp can greatly reduce manual intervention and realize quick and accurate clamping.

For example, chinese issued patent CN218575974U, entitled "a metal product processing jig", includes a fixed mounting plate, a bolt fixing hole, a lifting hydraulic rod, a supporting top plate, a supporting base, and a metal product workpiece clamping device, where the metal product workpiece clamping device includes a driving motor, a rotating double-headed screw, a screw supporting plate, a supporting plate chute, a supporting plate sliding block, a moving supporting plate, a supporting vertical plate, a rotating motor, a rotating transmission shaft, a driven shaft supporting plate, a clamping plate driven shaft, and a metal product moving clamping plate.

Above-mentioned prior art has solved present metal product processing anchor clamps inconvenient according to work piece size automation regulation, inconvenient firm centre gripping work piece and angle of adjustment's problem, but along with the continuous expansion of metal product production scale, single mounting fixture is inconvenient to cooperate the processing equipment of production line to accomplish a plurality of metal products and processes simultaneously, comparatively influence production efficiency, anchor clamps stability in the centre gripping in-process is relatively poor moreover, the too big damage that easily causes the metal product of clamping dynamics, and the too little degree of clamping dynamics then can cause the dropping of metal product in the course of working, consequently do not satisfy current demand, to this we propose a anchor clamps that can fix a plurality of metal products.

Disclosure of utility model

The utility model aims to provide a clamp capable of fixing a plurality of metal products, so as to solve the problem of how to improve the clamping stability of the metal product clamp provided in the background art on the premise of realizing simultaneous processing of a plurality of workpieces.

The clamp comprises a base, wherein a workbench is arranged at the middle position of the upper end of the base, two ends of the workbench are welded and fixed with the base, a driving cavity is formed in the base, a driving shaft is arranged in the driving cavity, two ends of the driving shaft are rotationally connected with the base, driving arms are arranged outside the driving shaft, at least six driving arms are arranged, the central positions of the driving arms are fixed with the driving shaft, connecting arms are arranged on two sides of the driving arms, a toggle rod is arranged on one side of the connecting arms, the toggle rod extends to the upper side of the workbench, a clamping block is arranged at the upper end of the toggle rod, and the clamping block and the toggle rod are integrally formed.

Preferably, the servo motor is installed to one side of base up end, and servo motor's shell passes through the bolt fastening with the base, the one end of drive shaft is provided with the worm, and worm and drive shaft welded fastening, worm wheel is installed to one side of worm, worm wheel and worm looks adaptation, and the center pin of worm wheel is fixed through the shaft coupling with servo motor's output shaft.

Preferably, the upper end inside the toggle rod is fixedly provided with a first rotating shaft, two ends of the first rotating shaft are rotationally connected with the base, one end of the connecting arm is fixedly provided with a second rotating shaft, two ends of the second rotating shaft are rotationally connected with the lower end inside the toggle rod, the other end of the connecting arm is fixedly provided with a third rotating shaft, and two ends of the third rotating shaft are rotationally connected with the transmission arm.

Preferably, the movable clamping head is arranged in the clamping block, the movable clamping head and the clamping block slide to limit, a pressure sensor is arranged between the movable clamping head and the inner cavity of the clamping block, and the mounting end of the pressure sensor is fixed with the clamping block through a screw.

Preferably, a supporting spring is arranged outside the pressure sensor, and two ends of the supporting spring are respectively fixed with the movable chuck and the clamping block.

Preferably, the two sides of the upper end surface of the base are provided with empty slots, and the empty slots are communicated with the driving cavity to provide a movable space for the toggle rod.

Preferably, the four corners of the base are fixedly provided with mounting seats.

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

1. According to the utility model, synchronous clamping of a plurality of metal products can be realized, the conventional lower toggle rod is in an open state, a worker only needs to place the metal products one by one between the front clamping block and the rear clamping block, the servo motor is started after the placement is finished, the driving shaft is driven to rotate at an angle under the action of the driving mechanism, the inclined driving arm is driven to move towards the horizontal direction, and in the moving process, the connecting arm is matched to pull the toggle rod, so that the upper end of the toggle rod rotates by taking the first rotating shaft as the center of a circle, the clamping blocks are continuously close to the metal products, and the metal products are fixed.

2. According to the utility model, the self-locking mechanism is arranged, the output shaft of the servo motor drives the worm wheel to rotate, the tooth groove of the worm wheel is surrounded by the spiral bulge of the worm, a spiral friction transmission surface is formed on the contact surface between the worm and the worm wheel, the worm wheel is driven to rotate through the rotation of the worm, and further the angle adjustment of the driving shaft is realized, and the self-locking property exists between the worm and the worm wheel, so that the driving shaft can be ensured to keep limited under the adjusted angle, and the stability of the clamping block is further improved.

3. According to the utility model, the movable chuck is arranged at one end of the clamping block, in the moving process of the toggle rod, the movable chuck is preferentially contacted with the metal product, and is contacted with the pressure sensor along with the movement of the movable chuck towards the inside of the clamping block, the pressure sensor detects the pressure value in real time, when the pressure value reaches the set value, the movable chuck is indicated to have moderate clamping force on the metal product, and the servo motor is stopped to fix the metal product at the position, so that the metal product is prevented from being damaged in the clamping process, and the metal product and the clamp are prevented from loosening in the processing process.

Drawings

FIG. 1 is a schematic view of a clamp in a clamping state of the present utility model;

FIG. 2 is an overall top view of the present utility model;

FIG. 3 is a top view of the internal structure of the drive chamber of the present utility model;

FIG. 4 is a schematic diagram of a clamping block according to the present utility model;

fig. 5 is a schematic view of the structure of the clamp in a released state.

In the figure, 1, a base; 2, a workbench, 3, a driving shaft, 4, a transmission arm, 5, a connecting arm, 6, a toggle rod, 7, a movable chuck, 8, a driving cavity, 9, a servo motor, 10, a mounting seat, 11, a worm, 12, a worm wheel, 13, a clamping block, 14, a first rotating shaft, 15, a pressure sensor, 16, a supporting spring, 17, a second rotating shaft, 18 and a third rotating shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model provides a fixture capable of fixing a plurality of metal products, including a base 1, a workbench 2 is disposed at a middle position of an upper end of the base 1, two ends of the workbench 2 are welded and fixed with the base 1, a driving cavity 8 is disposed in the base 1, a driving shaft 3 is mounted in the driving cavity 8, two ends of the driving shaft 3 are rotatably connected with the base 1, a driving arm 4 is disposed outside the driving shaft 3, at least six driving arms 4 are disposed, a center position of the driving arm 4 is fixed with the driving shaft 3, two sides of the driving arm 4 are respectively provided with a connecting arm 5, a toggle rod 6 is mounted on one side of the connecting arm 5, the toggle rod 6 extends to an upper side of the workbench 2, a clamping block 13 is disposed at an upper end of the toggle rod 6, and the clamping block 13 is integrally formed with the toggle rod 6.

When the movable type metal product clamping device is used, the conventional lower toggle rod 6 is in an open state, a worker only needs to place metal products one by one between the front clamping block 13 and the rear clamping block 13, and after the placement is finished, the servo motor 9 is started to drive the driving shaft 3 to rotate at an angle under the action of the transmission mechanism to drive the inclined transmission arm 4 to move towards the horizontal direction, and in the moving process, the connecting arm 5 is matched to pull the toggle rod, so that the upper end of the toggle rod 6 rotates by taking the first rotation 4 as the center of a circle, and the clamping blocks 13 are continuously close to the metal products to fix the metal products.

Referring to fig. 3, a servo motor 9 is installed on one side of the upper end surface of the base 1, a housing of the servo motor 9 is fixed with the base 1 through a bolt, a worm 11 is arranged at one end of the driving shaft 3, the worm 11 is welded and fixed with the driving shaft 3, a worm wheel 12 is installed on one side of the worm 11, the worm wheel 12 is matched with the worm 11, a central shaft of the worm wheel 12 is fixed with an output shaft of the servo motor 9 through a coupler, and due to self-locking performance between the worm 11 and the worm wheel 12, the driving shaft 3 can be ensured to keep limited under an adjusted angle, and stability of the clamping block is further improved.

Referring to fig. 1, a first rotating shaft 14 is fixedly arranged at the upper end inside the toggle rod 6, two ends of the first rotating shaft 14 are rotationally connected with the base 1, one end of the connecting arm 5 is fixedly provided with a second rotating shaft 17, two ends of the second rotating shaft 17 are rotationally connected with the lower end inside the toggle rod 6, a third rotating shaft 18 is fixedly arranged at the other end of the connecting arm 5, two ends of the third rotating shaft 18 are rotationally connected with the transmission arm 4, and the device has a simple structure and convenient operation, can rapidly fix a plurality of metal products through a driving shaft, and effectively improves flexibility and processing efficiency.

Referring to fig. 4, a movable chuck 7 is installed in the clamping block 13, the movable chuck 7 and the clamping block 13 slide and limit, a pressure sensor 15 is installed between the movable chuck 7 and an inner cavity of the clamping block 13, and an installation end of the pressure sensor 15 is fixed with the clamping block 13 through screws, so that damage to metal products in the clamping process is avoided, and loosening of the metal products and the clamps in the processing process is avoided.

Referring to fig. 4, a supporting spring 16 is installed outside the pressure sensor 15, and two ends of the supporting spring 16 are respectively fixed with the movable chuck 7 and the clamping block 13, so as to realize the reset of the movable chuck 7.

Referring to fig. 2, two sides of the upper end surface of the base 1 are provided with empty slots, and the empty slots are communicated with the driving cavity 8 to provide a movable space for the toggle rod 6.

Referring to fig. 2, mounting seats 10 are fixedly disposed at four corners of the base 1.

When the device is used, the output shaft of the servo motor 9 drives the worm wheel 12 to rotate, the tooth slot of the worm wheel 12 is surrounded by the spiral bulge of the worm 11, a spiral friction transmission surface is formed on the contact surface between the worm 11 and the worm wheel 12, the worm wheel 12 is driven to rotate through the rotation of the worm 11, the angle of the driving shaft 3 is further adjusted, the movable clamp head 7 is preferentially contacted with a metal product in the moving process of the toggle rod 6, the movable clamp head 7 moves towards the inside of the clamping block 13 along with the movable clamp head 7 and contacts with the pressure sensor 15, the pressure sensor 15 detects the pressure value in real time, and after the set value is reached, the clamping force of the movable clamp head 7 on the metal product is moderate, and meanwhile, the servo motor 9 is stopped to fix the movable clamp head at the position.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The clamp capable of fixing a plurality of metal products comprises a base (1) and is characterized in that a workbench (2) is arranged at the middle position of the upper end of the base (1), two ends of the workbench (2) are fixedly welded with the base (1), a driving cavity (8) is formed in the base (1), a driving shaft (3) is arranged in the driving cavity (8), two ends of the driving shaft (3) are rotatably connected with the base (1), a transmission arm (4) is arranged outside the driving shaft (3), at least six transmission arms (4) are arranged, the center position of each transmission arm (4) is fixed with the corresponding driving shaft (3), connecting arms (5) are arranged on two sides of each transmission arm (4), a toggle rod (6) is arranged on one side of each connecting arm (5), each toggle rod (6) extends to the upper portion of the workbench (2), and clamping blocks (13) are arranged at the upper ends of the toggle rods (6) and are integrally formed with the toggle rods (6).

2. The fixture capable of fixing a plurality of metal products according to claim 1, wherein a servo motor (9) is installed on one side of the upper end face of the base (1), a shell of the servo motor (9) is fixed with the base (1) through bolts, one end of the driving shaft (3) is provided with a worm (11), the worm (11) is fixed with the driving shaft (3) in a welding mode, a worm wheel (12) is installed on one side of the worm (11), the worm wheel (12) is matched with the worm (11), and a central shaft of the worm wheel (12) is fixed with an output shaft of the servo motor (9) through a coupler.

3. The fixture capable of fixing a plurality of metal products according to claim 1, wherein a first rotating shaft (14) is fixedly arranged at the upper end of the inside of the toggle rod (6), two ends of the first rotating shaft (14) are rotatably connected with the base (1), a second rotating shaft (17) is fixedly arranged at one end of the connecting arm (5), two ends of the second rotating shaft (17) are rotatably connected with the lower end of the inside of the toggle rod (6), a third rotating shaft (18) is fixedly arranged at the other end of the connecting arm (5), and two ends of the third rotating shaft (18) are rotatably connected with the transmission arm (4).

4. The fixture capable of fixing a plurality of metal products according to claim 1, wherein the movable clamp head (7) is arranged in the clamping block (13), the movable clamp head (7) and the clamping block (13) are limited in sliding, a pressure sensor (15) is arranged between the movable clamp head (7) and an inner cavity of the clamping block (13), and the mounting end of the pressure sensor (15) and the clamping block (13) are fixed through screws.

5. A clamp capable of fixing a plurality of metal products according to claim 4, wherein a supporting spring (16) is arranged outside the pressure sensor (15), and two ends of the supporting spring (16) are respectively fixed with the movable clamp head (7) and the clamping block (13).

6. The fixture capable of fixing a plurality of metal products according to claim 1, wherein the two sides of the upper end face of the base (1) are provided with empty slots, and the empty slots are communicated with the driving cavity (8) to provide a movable space for the toggle rod (6).

7. The fixture capable of fixing a plurality of metal products according to claim 1, wherein the four corners of the base (1) are fixedly provided with mounting seats (10).