CN213258238U

CN213258238U - Clamping device for machining precise metal structural part

Info

Publication number: CN213258238U
Application number: CN202022067070.2U
Authority: CN
Inventors: 徐金根; 周华; 孙维华
Original assignee: Jiangsu Jinkesen Electronic Technology Co Ltd
Current assignee: Jiangsu Jinkesen Electronic Technology Co Ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-25
Anticipated expiration: 2030-09-21

Abstract

The utility model belongs to the technical field of the metallic structure processing, especially, be used for accurate metallic structure processing clamping device, the on-line screen storage device comprises a base, the cavity has been seted up to the inside of base, the inner diapire of cavity is provided with the pneumatic cylinder, the top fixedly connected with U-shaped frame of pneumatic cylinder, the surface rotation of U-shaped frame is connected with the down tube, the top of base is provided with fixture, fixture includes the U-shaped piece, the bottom of U-shaped piece and the last sliding surface connection of base, the inner wall sliding connection of U-shaped piece has the riser, one side fixedly connected with arc splint of riser. The utility model discloses a pneumatic cylinder, arc splint, first spring, second spring, L shaped plate, thread bush and horizontal pole cooperate, have solved the problem that current metallic structure processing clamping device can not adapt to not unidimensional workstation, the anchor clamps that use among the clamping device itself do not have buffer function.

Description

Clamping device for machining precise metal structural part

Technical Field

The utility model relates to a metallic structure processing technology field specifically is a be used for accurate metallic structure processing clamping device.

Background

With the rapid development of electronic products in recent years, mobile phones become a bright star and become the most interesting electronic products for the public without replacement. With the development of the mobile phone industry, the precise metal structural member gradually replaces plastic cement to become the mainstream of the market due to good metal texture, appearance performance of high-end atmosphere, gorgeous color and the like, and the precise metal structural member is necessary to be clamped and fixed in the processing process.

The existing precision metal structural part processing and clamping device has the following defects:

1. the clamp used in the existing clamping device does not have the buffer function, and is easy to damage a metal structural part or furniture;

2. the existing clamping device cannot adapt to the working tables with different sizes, when the clamping device needs to be prevented from being arranged in the placing groove of the working table, the length of the existing clamping device cannot be adjusted, and if a gap exists between the clamping device and the placing groove of the working table, the clamping device is easy to displace in the machining process, so that the machining efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a be used for accurate metallic structure spare to process clamping device has solved the problem that current metallic structure spare processing clamping device can not adapt to not the anchor clamps that use among the not unidimensional workstation, the clamping device itself does not have buffer function.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a clamping device for machining of a precise metal structural part comprises a base, wherein a cavity is formed in the base, a hydraulic cylinder is arranged on the inner bottom wall of the cavity, a U-shaped frame is fixedly connected to the top of the hydraulic cylinder, an inclined rod is rotatably connected to the surface of the U-shaped frame, a clamping mechanism is arranged at the top of the base and comprises a U-shaped block, the bottom of the U-shaped block is slidably connected with the upper surface of the base, a vertical plate is slidably connected to the inner wall of the U-shaped block, an arc-shaped clamping plate is fixedly connected to one side of the vertical plate, an L-shaped plate is inserted into one side of the base, a threaded rod is rotatably connected to the surface of the L-shaped plate through a bearing, a second groove is formed in one side of the base, two symmetrically-distributed thread sleeves are slidably connected to the inner wall of the second groove, the thread sleeves are in threaded connection, the end parts of the two cross rods are rotatably connected with one side of the L-shaped plate.

As an optimized technical scheme of the utility model, two the internal thread of thread bush revolves to opposite directions.

As a preferred technical scheme of the utility model, the interior diapire fixedly connected with bracing piece of base, the top of bracing piece and the interior roof fixed connection of base.

As a preferred technical scheme of the utility model, the opposite side of riser is rotated and is connected with two connecting rods, two the connecting rod alternately rotates the connection, first recess has been seted up on the surface of U-shaped piece, the inner wall sliding connection of first recess has the carriage release lever of two symmetric distributions, one side of carriage release lever is connected, two with the tip rotation of connecting rod be provided with first spring between the carriage release lever.

As a preferred technical scheme of the utility model, the rectangular channel has been seted up on U-shaped piece surface, the inner wall fixedly connected with second spring of rectangular channel, the opposite side of riser and the tip fixed connection of second spring.

As an optimized technical scheme of the utility model, one side of arc splint is provided with the rubber pad.

(III) advantageous effects

Compared with the prior art, the utility model provides a be used for accurate metallic structure spare to process clamping device possesses following beneficial effect:

1. this be used for accurate metallic structure spare processing clamping device, pneumatic cylinder through setting up, the U-shaped piece, the arc splint, first spring and second spring cooperate, the setting of pneumatic cylinder is convenient for control the lift of U-shaped frame, the U-shaped frame can drive two arc splint and be close to each other or keep away from each other, the setting of arc splint is convenient for carry out the centre gripping to circular metalwork, make the metalwork by the more stable of centre gripping, wherein first spring and second spring can compression deformation under the effect of extrusion force, can produce a bounce simultaneously, under the effect of bounce-force, can play the cushioning effect, and then can avoid the metalwork to take place deformation or roll over the loss at the in-process by the centre gripping.

2. This be used for accurate metallic structure spare processing clamping device, L shaped plate through setting up, the threaded rod, thread bush and horizontal pole cooperate, wherein the internal thread of two thread bushes sets up to opposite soon, and then rotate the threaded rod and can drive two thread bushes and be close to each other or keep away from, the thread bush can drive the horizontal pole and rotate and remove, the horizontal pole can extrude or spur the L shaped plate when removing, and then can adjust the extension length of L shaped plate, one side horizontal slip of base can be followed to the L shaped plate, the overall length of clamping device can be adjusted to the extension length of control L shaped plate, make clamping device can adapt to different table surfaces from this.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention in fig. 1;

fig. 3 is a schematic structural view of the clamping mechanism of the present invention.

In the figure: 1. a base; 2. a hydraulic cylinder; 3. a U-shaped frame; 4. a diagonal bar; 5. a clamping mechanism; 501. a U-shaped block; 502. a vertical plate; 503. an arc-shaped splint; 504. a connecting rod; 505. a first groove; 506. a travel bar; 507. a first spring; 508. a rectangular groove; 509. a second spring; 6. an L-shaped plate; 7. a threaded rod; 8. a second groove; 9. a threaded sleeve; 10. a cross bar; 11. a support bar; 12. a cavity.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a clamping device for machining a precise metal structural part comprises a base 1, a cavity 12 is formed in the base 1, a hydraulic cylinder 2 is arranged on the inner bottom wall of the cavity 12, a U-shaped frame 3 is fixedly connected to the top of the hydraulic cylinder 2, an inclined rod 4 is rotatably connected to the surface of the U-shaped frame 3, a clamping mechanism 5 is arranged on the top of the base 1, the clamping mechanism 5 comprises a U-shaped block 501, the bottom of the U-shaped block 501 is slidably connected with the upper surface of the base 1, a vertical plate 502 is slidably connected to the inner wall of the U-shaped block 501, an arc-shaped clamping plate 503 is fixedly connected to one side of the vertical plate 502, an L-shaped plate 6 is inserted into one side of the base 1, a threaded rod 7 is rotatably connected to the surface of the L-shaped plate 6 through a bearing, a second groove 8 is formed in one side of the base 1, two symmetrically-, one side of each of the two threaded sleeves 9 is rotatably connected with a cross rod 10, and the end parts of the two cross rods 10 are rotatably connected with one side of the L-shaped plate 6.

In this embodiment, the hydraulic cylinder 2 is arranged to control the lifting of the U-shaped frame 3, wherein the top of the U-shaped frame 3 can be penetrated by an insertion rod fixedly connected to the inner wall of the cavity 12, the insertion rod can limit the moving direction of the U-shaped frame 3, so that the U-shaped frame 3 does not deviate, the U-shaped frame 3 can drive the two arc-shaped clamping plates 503 to approach or separate from each other, the arc-shaped clamping plates 503 are arranged to clamp a circular metal piece conveniently, so that the metal piece is clamped more stably, the bearing is arranged to reduce the friction force generated during rotation, the movable threaded rod 7 can drive the two thread sleeves 9 to approach or separate from each other, the thread sleeves 9 can drive the cross rod 10 to rotate and move, and further the extension length of the L-shaped plate 6 can be adjusted, wherein the L-shaped plate 6 can slide left and right on one side of the base 1, and the overall length of the clamping device can, thereby enabling the clamping device to adapt to different working tables.

In particular, the internal threads of the two threaded sleeves 9 are of opposite hand.

In this embodiment, the two thread sleeves 9 have opposite inner threads, so that the two thread sleeves 9 can synchronously approach or separate from each other.

Specifically, the inner bottom wall of the base 1 is fixedly connected with a supporting rod 11, and the top of the supporting rod 11 is fixedly connected with the inner top wall of the base 1.

In this embodiment, the bracing piece 11 is provided with four, and is the distribution of rectangle array, can play the supporting role, avoids the metalwork to cause the damage to roof above cavity 12 in the course of working.

Specifically, the other side of the vertical plate 502 is rotatably connected with two connecting rods 504, the two connecting rods 504 are connected in a cross rotating manner, a first groove 505 is formed in the surface of the U-shaped block 501, the inner wall of the first groove 505 is slidably connected with two symmetrically distributed moving rods 506, one side of each moving rod 506 is rotatably connected with the end of the corresponding connecting rod 504, and a first spring 507 is arranged between the two moving rods 506.

In this embodiment, the middle crossed positions of the two connecting rods 504 are rotatably connected, so that the ends of the two connecting rods 504 can be close to or far away from each other, the first groove 505 is arranged to limit the moving direction of the moving rod 506, the inner wall of the first groove 505 is provided with a sliding groove, the end of the moving rod 506 is slidably connected with the first groove 505 through the sliding groove, the moving rod 506 can be limited at the same time, the moving rod is prevented from falling off, and the first spring 507 can play a role in buffering when being stretched.

Specifically, a rectangular groove 508 is formed in the surface of the U-shaped block 501, a second spring 509 is fixedly connected to the inner wall of the rectangular groove 508, and the other side of the vertical plate 502 is fixedly connected to the end of the second spring 509.

In this embodiment, the rectangular groove 508 can limit the moving direction of the vertical plate 502, and the second spring 509 plays a role of buffering.

Specifically, one side of the arc-shaped clamping plate 503 is provided with a rubber pad.

In this embodiment, the setting of rubber pad can avoid anchor clamps to cause the clamp mark to the metalwork in the centre gripping process.

The utility model discloses a theory of operation and use flow: when the clamping device is needed, two hooks of the hoisting device are hung on two lifting lugs at the top of the base 1 respectively, then the clamping device is stably placed in a placing groove formed in the top of the operating platform, after the clamping device is stably placed, the hooks are taken down, then the threaded rod 7 is rotated in the forward direction, because the internal thread turning directions of the two thread sleeves 9 are opposite, the threaded rod 7 can drive the two thread sleeves 9 to move towards the directions close to each other, the thread sleeves 9 can extrude the cross rod 10 when moving, under the action of the extrusion force, the cross rod 10 rotates and moves, the cross rod 10 can extrude the L-shaped plate 6 when moving, the L-shaped plate 6 moves towards one side far away from the base 1 under the action of the extrusion force, the threaded rod 7 is continuously rotated until the surface of the L-shaped plate 6 is tightly attached to the inner wall of the placing groove, the rotation of the threaded rod 7 is stopped, at the, the hydraulic cylinder 2 is started, the U-shaped frame 3 moves upwards under the pushing of the hydraulic cylinder 2, the inclined rod 4 is pressed by the upward movement of the U-shaped frame 3, the inclined rod 4 rotates and moves under the action of the extrusion force, the inclined rod 4 can drive the U-shaped block 501 to move towards one side close to the metal structural part, the U-shaped block 501 can drive the vertical plate 502 and the arc-shaped clamp plate 503 to move synchronously, when one side of the arc-shaped clamp plate 503 is contacted with one side of the metal structural part, the arc-shaped clamp plate 503 can drive the vertical plate 502 to move towards one side close to the U-shaped block 501, the vertical plate 502 can compress the second spring 509 when moving, meanwhile, the connecting rod 504 is pressed by the vertical plate 502 when moving, the connecting rod 504 rotates and moves under the action of the extrusion force, the first spring 507 is stretched by the two connecting rods 504 when moving on the inner wall of the first groove 505, and the buffering action can be achieved under the, the fixture can avoid deformation or breakage of the metal structural part when clamping the metal structural part.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be used for accurate metallic structure spare to process clamping device, includes base (1), its characterized in that: the novel clamp is characterized in that a cavity (12) is formed in the base (1), a hydraulic cylinder (2) is arranged on the inner bottom wall of the cavity (12), a U-shaped frame (3) is fixedly connected to the top of the hydraulic cylinder (2), an inclined rod (4) is rotatably connected to the surface of the U-shaped frame (3), a clamping mechanism (5) is arranged on the top of the base (1), the clamping mechanism (5) comprises a U-shaped block (501), the bottom of the U-shaped block (501) is slidably connected with the upper surface of the base (1), a vertical plate (502) is slidably connected to the inner wall of the U-shaped block (501), an arc-shaped clamping plate (503) is fixedly connected to one side of the vertical plate (502), an L-shaped plate (6) is inserted into one side of the base (1), a threaded rod (7) is rotatably connected to the surface of the L-shaped plate (6) through a, the inner wall sliding connection of second recess (8) has threaded bush (9) of two symmetric distributions, threaded bush (9) and the surperficial threaded connection of threaded rod (7), two one side of threaded bush (9) all rotates and is connected with horizontal pole (10), two the tip of horizontal pole (10) all rotates with one side of L shaped plate (6) and is connected.

2. The clamping device for machining the precise metal structural part according to claim 1, wherein: the internal threads of the two thread sleeves (9) are opposite in screwing direction.

3. The clamping device for machining the precise metal structural part according to claim 1, wherein: the inner bottom wall of base (1) is fixedly connected with bracing piece (11), the top of bracing piece (11) and the inner top wall fixed connection of base (1).

4. The clamping device for machining the precise metal structural part according to claim 1, wherein: the other side of riser (502) rotates and is connected with two connecting rods (504), two connecting rods (504) cross rotation and connect, first recess (505) have been seted up on the surface of U-shaped piece (501), the inner wall sliding connection of first recess (505) has two symmetric distribution's carriage release lever (506), one side of carriage release lever (506) and the tip of connecting rod (504) rotate and are connected, two be provided with first spring (507) between carriage release lever (506).

5. The clamping device for machining the precise metal structural part according to claim 4, wherein the clamping device comprises: the surface of the U-shaped block (501) is provided with a rectangular groove (508), the inner wall of the rectangular groove (508) is fixedly connected with a second spring (509), and the other side of the vertical plate (502) is fixedly connected with the end part of the second spring (509).

6. The clamping device for machining the precise metal structural part according to claim 1, wherein: one side of the arc-shaped clamping plate (503) is provided with a rubber pad.