CN212793994U

CN212793994U - A clamping device for machine manufacturing

Info

Publication number: CN212793994U
Application number: CN202021170455.5U
Authority: CN
Inventors: 谢景权; 王娟
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Vocational and Technical University
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-26
Anticipated expiration: 2030-06-22

Abstract

The utility model discloses a clamping device for machine manufacturing, which solves the problem that the conventional columnar clamping device cannot be effectively applied when processing the middle of a long pipe material. The technical solution points of the clamping mechanism include a driving box, a driving component and The screw rod, the drive box is fixedly connected with the base, the screw rod is connected with the two ends of the drive box in rotation, the screw rod is provided with symmetrical threads with opposite directions of rotation, and the two threads are provided with sliding tables matched with their threads. The center of the screw rod is symmetrical, the base is also fixedly connected with a chute parallel to the screw rod, the bottom of the slide table is slidably connected with the chute, the driving part is used to drive the screw rod to rotate, and one side of the slide table protrudes from the drive box. An L-shaped support table is fixedly connected, a first pressing part and a second pressing part are arranged on the support table, an arc-shaped groove is arranged on the top of the support table, the pipe material is located in the groove, and the first pressing part is It is used with the second pressing part to press the top surface and the side surface of the pipe material respectively.

Description

Clamping device for machine-building

Technical Field

The utility model relates to a mechanical clamping device technical field, more specifically say, it relates to a clamping device for machine-building.

Background

In the clamp, a device for preventing the workpiece from generating displacement or vibration in the machining process is called as a clamping device, the clamping force can ensure that the workpiece does not generate displacement or vibration in the machining process, and the surface of the workpiece cannot be crushed or deformed, so that the clamping device has the advantages of improving the productivity, being simple in structure and the like, and at present, the Chinese utility model patent with the publication number of CN205660443U discloses a cylinder driving circular tube clamping device which comprises a base, wherein a support plate A and a support plate B are vertically arranged on the base, a cylinder is arranged on the base, and a folding rod A and a folding rod B are arranged on a cylinder rod of the cylinder; one end of the fold-shaped rod A is movably connected with a connecting rod A, a support lug A is arranged above the connecting rod A, a connecting piece A is arranged on the support lug A, and the connecting piece A is connected with an arc-shaped clamping piece A; one end of the fold-shaped rod B is movably connected with a connecting rod B, a support lug B is arranged above the connecting rod B, a connecting piece B is arranged on the support lug B, and the connecting piece B is connected with the arc-shaped clamping piece B.

Although the device can clamp the round pipe and is convenient to adjust, the fixing position of the device is one, and the device cannot be effectively applied when the middle of a long pipe is machined.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a clamping device for machine-building of department's processing in the middle of can being convenient for not unidimensional pipe material.

In order to achieve the purpose, the utility model provides a clamping device for machine manufacturing, which comprises a base and a pipe material, wherein the base is provided with a clamping mechanism, the clamping mechanism comprises a driving box, a driving part and a screw rod, the driving box is fixedly connected with the base, the screw rod is rotatably connected with two ends in the driving box, the screw rod is provided with symmetrical threads with opposite rotating directions, the two threads are provided with sliding tables matched with the screw threads, the two sliding tables are symmetrical by the center of the screw rod, the base is also fixedly connected with a sliding groove parallel to the screw rod, the bottom of the sliding table is connected with the sliding groove in a sliding way, the driving part is used for driving the screw rod to rotate, one side of the sliding table protrudes out of the driving box and is fixedly connected with a supporting table with L character, the supporting table is provided with a first pressing part and a second pressing part, the top of the supporting table is provided with an arc-shaped groove, the pipe is located in the groove, and the first pressing component and the second pressing component are used for pressing the top surface and the side surface of the pipe respectively.

Through adopting above-mentioned technical scheme to under driver part's effect, the lead screw can be in the drive incasement location rotation, then can be relative motion along the lead screw with two slip tables of lead screw thread fit under the limiting displacement of spout, can adjust the interval that two slip tables placed the pipe material recess promptly, is applicable to not unidimensional pipe material, and the clamp that is convenient for add man-hour in the middle of to the pipe material is fixed.

The utility model discloses further set up to: the first pressing part comprises a connecting table and an air cylinder, the connecting table is fixedly connected with the top of the supporting table, the air cylinder is fixedly connected with the inside of the connecting table, an output shaft of the air cylinder faces the groove, and the output shaft of the air cylinder protrudes out of the connecting table and is fixedly connected with a pressing plate.

Through adopting above-mentioned technical scheme to be located the cylinder of connecting the platform and after exporting downwards, its output shaft can drive the clamp plate and realize compressing tightly to placing the pipe material top surface in the recess, and is reliable and stable.

The utility model discloses further set up to: the second pressing part comprises a fixed table, a sliding block and a screw rod, the fixed table is fixedly connected with the top of the supporting table, the screw rod is rotatably connected with the fixed table, a built-in limiting groove is further formed in the bottom of the supporting table, the sliding block is connected with the limiting groove in a sliding mode, a sleeve is fixedly connected to one end, close to the groove, of the sliding block, the sleeve is connected with the screw rod in a coaxial clearance mode, a pressing plate is fixedly connected to the sleeve, and a handle is arranged at one end, far away from the groove, of the screw.

Through adopting above-mentioned technical scheme to operating personnel is compressing tightly the top surface back of pipe material by first compressing tightly the part, and the handle is rotated to the rethread, realizes that the screw rod rotates in the location on the fixed station, then with screw rod screw-thread fit's slider to can slide towards the recess at the limiting displacement of spacing groove, realize the clamp plate through the auto-lock nature of screw thread promptly and fix compressing tightly of pipe material side, finally cooperate first compressing tightly the part and realize fixing compressing tightly two vertical directions of pipe material, compress tightly fixed effectual, application scope is wide.

The utility model discloses set up further to drive parts includes motor, worm and worm wheel, the motor with top fixed connection in the drive box, its output shaft with worm fixed connection, the worm wheel with the coaxial fixed connection in lead screw center, the worm with the worm wheel meshing cooperation.

Through above-mentioned technical scheme to after the motor is just reversing to rotate, drive the worm wheel through the worm, the worm wheel drives the lead screw and rotates in the location of drive incasement, for the relative slip of slip table provides drive power, and worm gear's auto-lock nature also can provide the assurance for the fixed of slip table position.

To sum up, the utility model has the advantages of as follows: the pressing device has the advantages that the pressing device is convenient to press longer pipes, can press the two ends of the pipes, can be suitable for pipes of different sizes, presses the pipes from the top surfaces and the side surfaces of the pipes in a pressing mode, is good in pressing effect, does not cause extrusion deformation of the surfaces of the pipes, and is reasonable in overall design and simple in operation.

Drawings

FIG. 1 is a schematic isometric view of example 1;

FIG. 2 is a front view of embodiment 1;

FIG. 3 is a sectional view taken along line A-A of FIG. 2 in accordance with example 1;

FIG. 4 is a sectional view taken along line B-B of FIG. 2 in accordance with embodiment 1.

In the figure, 1, a base; 11. a chute; 2. a clamping mechanism; 21. a drive box; 22. a drive member; 221. a motor; 222. a worm; 223. a worm gear; 23. a screw rod; 24. a thread; 25. a sliding table; 26. a support table; 3. a first pressing member; 31. a connecting table; 32. a cylinder; 33. pressing a plate; 4. a second pressing member; 41. a screw; 42. a fixed table; 43. A slider; 44. a sleeve; 45. a limiting groove; 46. a handle; 5. and (4) a groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, a clamping device for machine-building includes base 1 and pipe:

as shown in fig. 1 and 3, a clamping mechanism 2 is arranged on a base 1, the clamping mechanism 2 comprises a driving box 21, drive unit 22 and lead screw 23, drive case 21 and base 1 fixed connection, both ends are rotated in lead screw 23 and the drive case 21 and are connected, be equipped with symmetry and revolve to opposite screw thread 24 on the lead screw 23, be equipped with on two screw threads 24 rather than screw thread 24 complex slip table 25, two slip tables 25 are with lead screw 23 centrosymmetric, go back fixedly connected with and the spout 11 that lead screw 23 is parallel on the base 1, slip table 25 bottom slides with spout 11 and is connected, drive unit 22 is used for driving lead screw 23 and rotates, slip table 25 one side protrusion drive case 21 is its supporting bench 26 of fixedly connected with L shape on it, be equipped with first compressing tightly part 3 and second compressing tightly part 4 on the supporting bench 26, supporting bench 26 top is equipped with arcuation recess 5, the pipe is located in the recess 5, first compressing tightly part 3 and second compressing tightly part 4 and be used for compressing tightly the top surface and the side.

Thereby under driver part 22's effect, lead screw 23 can be in the drive box 21 location rotation, then can be along lead screw 23 relative motion with two slip tables 25 of lead screw 23 screw thread 24 complex under the limiting displacement of spout 11, can adjust two slip tables 25 promptly and place the interval of pipe material recess 5, be applicable to not unidimensional pipe material, be convenient for to the clamp tight fixedly of man-hour in the middle of the pipe material.

As shown in fig. 4, the driving part 22 includes a motor 221, a worm 222 and a worm wheel 223, the motor 221 is fixedly connected with the top inside the driving box 21, an output shaft thereof is fixedly connected with the worm 222, the worm wheel 223 is coaxially and fixedly connected with the center of the screw 23, and the worm 222 is engaged with the worm wheel 223.

Therefore, after the motor 221 rotates forwards and backwards, the worm 222 drives the worm wheel 223, the worm wheel 223 drives the screw rod 23 to rotate in the driving box 21, a driving force is provided for the relative sliding of the sliding table 25, and the self-locking performance of the worm wheel 223 and the worm 222 can also provide guarantee for the fixing of the position of the sliding table 25.

As shown in fig. 1 and 4, the first pressing member 3 includes a connecting platform 31 and an air cylinder 32, the connecting platform 31 is fixedly connected to the top of the supporting platform 26, the air cylinder 32 is fixedly connected to the inside of the connecting platform 31, an output shaft of the air cylinder 32 is disposed facing the groove 5, and the output shaft of the air cylinder 32 protrudes out of the connecting platform 31 and is fixedly connected to a pressing plate 33.

Therefore, after the cylinder 32 positioned on the connecting table 31 outputs downwards, the output shaft of the cylinder can drive the pressing plate 33 to press the top surface of the tube material in the groove 5, and the pressing is stable and reliable.

As shown in fig. 1 and 4, the second pressing member 4 includes a fixing table 42, a sliding block 43 and a screw 41, the fixing table 42 is fixedly connected to the bottom of the supporting table 26, the screw 41 is rotatably connected to the fixing table 42, a built-in limiting groove 45 is further disposed at the bottom of the supporting table 26, the sliding block 43 is slidably connected to the limiting groove 45, a sleeve 44 is fixedly connected to one end of the sliding block close to the groove 5, the sleeve 44 is coaxially and intermittently connected to the screw 41, a pressing plate 33 is fixedly connected to the sliding block, and a handle 46 is disposed at one end of the screw 41 away from the groove 5.

Thereby operating personnel is compressing tightly the top surface of pipe material by first compressing tightly part 3 after, handle 46 is rotated to the rethread, realize that screw rod 41 rotates in the location on fixed station 42, then with screw rod 41 screw thread 24 complex slider 43 to can slide towards recess 5 at the limiting displacement of spacing groove 45, realize the clamp plate 33 through the auto-lock nature of screw thread 24 promptly and fix the compressing tightly of pipe material side, finally cooperate first compressing tightly part 3 to realize fixing compressing tightly two vertical directions of pipe material, it is effectual to compress tightly fixed, application scope is wide.

As shown in fig. 4, the pressing plate 33 is made of soft rubber, and the soft rubber is adopted to ensure that the pressing plate 33 can reduce the abrasion on the surface of the pipe material when the pipe material is extruded, so as to prevent the pipe material from being extruded and deformed, and effectively protect the process of the pipe material.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. A clamping device for mechanical manufacturing, comprising a base (1) and a pipe material, characterized in that: the base (1) is provided with a clamping mechanism (2), and the clamping mechanism (2) comprises a drive A box (21), a driving component (22) and a screw rod (23), the driving box (21) is fixedly connected with the base (1), and the screw rod (23) is connected to the inside of the driving box (21). Both ends are rotatably connected, the screw rod (23) is provided with symmetrical threads (24) with opposite directions of rotation, and the two threads (24) are provided with sliding tables (25) matched with the threads (24), so The two sliding tables (25) are symmetrical with the center of the screw rod (23), the base (1) is also fixedly connected with a chute (11) parallel to the screw rod (23), and the bottom of the sliding table (25) is connected to the The sliding groove (11) is slidably connected, the driving component (22) is used to drive the screw (23) to rotate, and the sliding table (25) protrudes from one side of the driving box (21) and is fixedly connected thereon There is an L-shaped support table (26), the support table (26) is provided with a first pressing member (3) and a second pressing member (4), and the top of the support table (26) is provided with an arc-shaped The groove (5), the pipe material is located in the groove (5), the first pressing part (3) and the second pressing part (4) are used to press the top surface and the second pressing part (4) of the pipe material respectively. side.

2. A clamping device for machine manufacturing according to claim 1, characterized in that: the first pressing member (3) comprises a connecting table (31) and a cylinder (32), and the connecting table (31) ) is fixedly connected with the top of the support table (26), the cylinder (32) is fixedly connected with the connecting table (31), and its output shaft is arranged facing the groove (5), the cylinder (32) The output shaft protrudes from the connecting table (31) and is fixedly connected with a pressing plate (33).

3. A clamping device for machine manufacturing according to claim 1, wherein the second pressing member (4) comprises a fixing table (42), a sliding block (43) and a screw (41), The fixing table (42) is fixedly connected with the bottom of the supporting table (26), the screw rod (41) is rotatably connected with the fixing table (42), and the bottom of the supporting table (26) is further provided with a built-in limiter. A position groove (45), the slider (43) is slidably connected to the position limit groove (45), and a sleeve (44) is fixedly connected to one end of the slider (43) close to the groove (5), and the sleeve (44) ) is connected to the screw (41) with a coaxial clearance, on which a pressure plate (33) is fixedly connected, and a handle (46) is provided at one end of the screw (41) away from the groove (5).

4. A clamping device for machine manufacturing according to claim 1, characterized in that: the driving component (22) comprises a motor (221), a worm (222) and a worm wheel (223), the motor (221) ) is fixedly connected to the inner top of the drive box (21), its output shaft is fixedly connected to the worm (222), the worm wheel (223) is fixedly connected to the center of the screw (23), the worm (222) engages with the worm gear (223).

5 . The clamping device for machine manufacturing according to claim 2 or 3 , wherein the material of the pressing plate ( 33 ) is soft rubber. 6 .