CN211277188U

CN211277188U - Positioning and clamping mechanism for precision part

Info

Publication number: CN211277188U
Application number: CN201922292260.1U
Authority: CN
Inventors: 吴进
Original assignee: Wuxi Xiehuide Precision Machinery Co ltd
Current assignee: Wuxi Xiehuide Precision Machinery Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-18
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a positioning and clamping mechanism aims at providing a positioning and clamping mechanism for accurate piece, and its technical scheme main points are: the lifting device comprises a mounting plate, wherein a placing groove is formed in the center of the mounting plate, a positioning mechanism is arranged on the surface of the placing groove and comprises a vertically upward supporting frame fixedly connected with the surface of the placing groove, a first lifting block and a second lifting block are respectively arranged on the supporting frames on two sides, a ball screw in threaded connection is arranged in the centers of the first lifting block and the second lifting block, two ends of the ball screw are rotatably connected, a top plate is arranged at the top of the ball screw, and clamping plates fixedly connected with the bottoms of the first lifting block and the second lifting block are arranged; the connecting rods are arranged between the supporting frames on the two sides, the cylinder frames are arranged on the connecting rods on the two ends, the pushing cylinders are arranged on the cylinder frames, and the clamping blocks are arranged on piston rods of the pushing cylinders on the two sides.

Description

Positioning and clamping mechanism for precision part

Technical Field

The utility model relates to a frock clamp field, in particular to a positioning and clamping mechanism for accurate piece.

Background

During the welding process of the workpiece, the workpiece needs to be heated to a certain temperature in advance. Under the circumstances like this, operating personnel directly bare-handed installation work piece clamp splice under the state of not having the protection, press from both sides tightly the work piece, scald very easily, have the potential safety hazard. Therefore, there is a need for an adjusting mechanism that can be manually operated to achieve the purpose of correctly positioning a workpiece clamping block to a workpiece position so as to safely clamp the workpiece

At present, chinese patent with publication number CN207629666U discloses a part positioning and clamping mechanism, which comprises a plate body, a slide block, a positioning PIN, a movable positioning PIN, a pressing block, a first spring and a cylinder body, wherein the slide block is arranged in the plate body and is in sliding connection, an inclined plane is arranged on the slide block, the plate body is fixed with the positioning PIN, the cylinder body of the movable positioning PIN penetrates through a through hole on the plate body, a base of the movable positioning PIN is arranged on the slide block, the cylinder body on the slide block penetrates through a sliding groove on the pressing block, the pressing block is in the sliding groove on the plate body and is connected with the plate.

Although the part positioning and clamping mechanism is suitable for hardware with a specific shape, the hardware needing to be processed and connected is positioned through clamping, so that the hardware is prevented from deviating in the processing process, but only workpieces at horizontal positions can be clamped, the workpieces cannot be lifted to the height of a processing station, and the stability of clamping and limiting on the whole is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a location clamping mechanism for accurate piece, it has can carry out steady lift and reliably press from both sides tight fixed advantage to accurate work piece.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a positioning and clamping mechanism for precise parts comprises a mounting plate, wherein a placing groove is formed in the center of the mounting plate, a positioning mechanism is arranged on the surface of the placing groove, the positioning mechanism comprises a vertically upward supporting frame fixedly connected with the surface of the placing groove, a first lifting block and a second lifting block are respectively arranged on the supporting frames on two sides, a ball screw in threaded connection is arranged in the center of each of the first lifting block and the second lifting block, two ends of each ball screw are rotatably connected, a top supporting plate is arranged at the top of each ball screw, and clamping plates fixedly connected are arranged at the bottoms of the first lifting block and the second lifting block; the connecting rods are arranged between the supporting frames on two sides, cylinder frames are arranged on the connecting rods on the two ends, pushing cylinders are arranged on the cylinder frames, and clamping blocks are arranged on piston rods of the pushing cylinders on the two sides.

Through adopting above-mentioned technical scheme, put into the standing groove of mounting panel with the work piece, for the convenience carries out the finish machining to the work piece, need with work piece lifting to suitable height, ball screw on the support frame through rotating both sides, thereby drive threaded connection's first elevator and second elevator reciprocate, because with first elevator, second elevator bottom fixedly connected with splint, consequently, be located the work piece rebound on the splint to the height of connecting rod, then drive the tight piece clamp of clamp on the piston rod through the push cylinder on the connecting rod of both sides and press from both sides tight the fixing work piece, thereby make the machining stability of work piece obtain guaranteeing, the machining precision also consequently obtains improving.

Further setting: the splint is characterized in that two sides of the splint are provided with limit blocks fixedly connected, the limit blocks are provided with anti-skidding notches, the center of the splint is provided with an electromagnet, and the surface of the electromagnet is provided with a conduction adsorption block.

Through adopting above-mentioned technical scheme, set up the stopper in splint both sides and can prevent that the work piece from reciprocating the in-process accident and dropping, and the anti-skidding notch on the stopper has increased surperficial frictional force for the more stable laminating splint of work piece set up in the electro-magnet of center department of overtime with pass to adsorb the piece and can firmly adsorb fixed metal work piece under the circular telegram circumstances, increased the safety and stability nature of removal.

Further setting: the splint surface still is equipped with fixed connection's roof, the roof surface is equipped with a plurality of screw thread through-hole, be equipped with threaded connection's axis of rotation in the screw thread through-hole, axis of rotation bottom is equipped with fixed connection's boss.

By adopting the technical scheme, the reinforcing block at the bottom can be driven by the rotating shaft to be attached to the workpiece by a worker, so that the two sides of the surface of the workpiece are clamped and fixed, and the stability is improved.

Further setting: the upper parts of the ball screws on the two sides are respectively sleeved with a first gear and a second gear, the surfaces of the first gear and the second gear are also provided with a cross rod with racks, and the bottom of the cross rod is in sliding connection with the support frames on the two sides.

Through adopting above-mentioned technical scheme, staff's accessible pulling and both sides support frame sliding connection's horizontal pole around, because rack on the horizontal pole and the gear intermeshing on the ball screw of both sides, consequently ball screw rotates thereupon to drive first elevator and second elevator and reciprocate.

Further setting: the surface of the mounting plate is also provided with a control switch which is connected with the electromagnet and the pushing cylinder.

Through adopting above-mentioned technical scheme, the staff can press control switch and control the electro-magnet and promote the cylinder, and is safe convenient.

Further setting: the surface of the clamping plate is positioned on the fixedly connected protective gasket on the top plate.

Through adopting above-mentioned technical scheme, set up the protection gasket on the roof and can play effectual buffering protection to the work piece.

To sum up, the utility model discloses following beneficial effect has: put into the standing groove with the work piece then through the pulling horizontal pole drive with it gear connection's ball screw rotatory to the elevator that drives the work piece bottom reciprocates, after the work piece reachd the cylinder height, drive through promoting the cylinder and press from both sides tight piece and press from both sides it and tightly fix, be convenient for reprocess precision workpiece, whole process automation degree is high and can be to carrying out the tight fixed of clamp of stabilizing to last with the work piece, improved work efficiency greatly.

Drawings

FIG. 1 is a schematic view of the overall structure of a positioning and clamping mechanism;

FIG. 2 is a schematic front view of the positioning and clamping mechanism;

FIG. 3 is a schematic view of the back side of the positioning and clamping mechanism;

fig. 4 is an enlarged schematic view of a part a of the positioning and clamping mechanism.

In the figure, 1, mounting plate; 2. a placement groove; 3. a positioning mechanism; 31. a support frame; 32. a first lifting block; 33. a second lifting block; 34. a ball screw; 4. A support plate; 5. a first gear; 6. a second gear; 7. a cross bar; 8. a splint; 9. a protective pad; 10. a limiting block; 11. an anti-slip notch; 12. an electromagnet; 13. a conductive adsorption block 14, a top plate; 15. a rotating shaft; 16. a reinforcing block; 17. a connecting rod; 18. a cylinder frame; 19. a push cylinder; 20. a clamping block; 21. and controlling the switch.

Detailed Description

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

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 4. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.

The utility model provides a location clamping mechanism for accurate piece, includes

mounting panel

1, 1 center department of mounting panel is equipped with standing

groove

2, and 2 surfaces of standing groove are equipped with positioning mechanism 3, and positioning mechanism 3 is including setting up in 2 fixed surface connection's of standing groove vertical ascending support frame 31, both sides be equipped with first elevator 32, second elevator 33 on the support frame 31 respectively, and first elevator 32 is equipped with threaded connection's ball screw 34 with second elevator 33 center department, and ball screw 34 both ends are the rotation and connect, and ball screw 34 top is equipped with

top support plate

4, and 34 upper portion covers respectively on both sides ball screw is equipped with first gear 5, second gear 6, and first gear 5 still is equipped with the horizontal pole 7 that has the rack with 6 surfaces of second gear, horizontal pole 7 bottom and both sides support frame 31 sliding connection. The bottom parts of the first lifting block 32 and the second lifting block 33 are provided with fixedly connected clamping plates 8, and the surfaces of the clamping plates 8 are provided with fixedly connected protective gaskets 9 on the top plate 14. The both sides of splint 8 are equipped with fixed connection's stopper 10, are equipped with anti-skidding notch 11 on the stopper 10, and splint 8 center department is equipped with electro-magnet 12, and electro-magnet 12 surface is equipped with the conduction and adsorbs piece 13. The surface of the clamping plate 8 is also provided with a fixedly connected top plate 14, the surface of the top plate 14 is provided with a plurality of thread through holes, the thread through holes are internally provided with a rotating shaft 15 in threaded connection, and the bottom of the rotating shaft 15 is provided with a fixedly connected reinforcing block 16. A connecting rod 17 is arranged between the supporting frames 31 at the two sides, a cylinder frame 18 is arranged on the connecting rod 17 at the two ends, a pushing cylinder 19 is arranged on the cylinder frame 18, and clamping blocks 20 are arranged on piston rods of the pushing cylinders 19 at the two sides.

The surface of the mounting plate 1 is also provided with a control switch 21, and the control switch 21 is connected with the electromagnet 12 and the pushing cylinder 19.

The main working principle is as follows: the workpiece is put into the placing groove 2 of the mounting plate 1, in order to carry out finish machining on the workpiece, the workpiece needs to be lifted to a proper height, the ball screws 34 on the supporting frames 31 at two sides are rotated to drive the first lifting block 32 and the second lifting block 33 which are in threaded connection to move up and down, the clamping plates 8 are fixedly connected with the bottoms of the first lifting block 32 and the second lifting block 33, the limiting blocks 10 arranged at two sides of the clamping plates 8 can prevent the workpiece from accidentally falling in the up-and-down moving process, the surface friction force is increased by the anti-skidding notches 11 on the limiting blocks 10, so that the workpiece is more stably attached to the clamping plates 8, the electromagnet 12 and the adsorption block arranged at the shift center can firmly adsorb and fix the metal workpiece under the power-on condition, the moving safety and stability are increased, and the worker can drive the reinforcing block 16 at the bottom to be attached to the workpiece through the rotating shaft, the two sides of the surface of the workpiece are clamped and fixed, so that the stability and firmness of the workpiece are further ensured, then the workpiece on the clamping plate 8 moves upwards to the height of the connecting rod 17, and then the clamping blocks 20 on the piston rod are driven by the pushing cylinders 19 on the connecting rods 17 at the two sides to clamp and fix the workpiece, so that the processing stability of the workpiece is ensured, and the processing precision is improved.

In the whole process of the machine operation, a worker can press the control switch 21 to control the electromagnet 12 and the pushing cylinder 19, and the machine is safe and convenient.

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. The utility model provides a location clamping mechanism for precision piece, includes mounting panel (1), mounting panel (1) center department is equipped with standing groove (2), its characterized in that: the surface of the placing groove (2) is provided with a positioning mechanism (3), the positioning mechanism (3) comprises a support frame (31) which is arranged on the surface of the placing groove (2) and is fixedly connected with the surface of the placing groove, a first lifting block (32) and a second lifting block (33) are respectively arranged on the support frame (31) at two sides, a ball screw (34) in threaded connection is arranged at the center of each of the first lifting block (32) and the second lifting block (33), two ends of each ball screw (34) are rotatably connected, a top support plate (4) is arranged at the top of each ball screw (34), and a clamp plate (8) in fixed connection is arranged at the bottom of each of the first lifting block (32) and the second lifting block (33); connecting rods (17) are arranged between the supporting frames (31) on the two sides, cylinder frames (18) are arranged on the connecting rods (17) on the two ends, pushing cylinders (19) are arranged on the cylinder frames (18), and clamping blocks (20) are arranged on piston rods of the pushing cylinders (19) on the two sides.

2. A positioning and clamping mechanism for precision parts according to claim 1, wherein: splint (8) both sides are equipped with fixed connection's stopper (10), be equipped with on stopper (10) anti-skidding notch (11), splint (8) center department is equipped with electro-magnet (12), electro-magnet (12) surface is equipped with the conduction and adsorbs piece (13).

3. A positioning and clamping mechanism for precision parts according to claim 1, wherein: the surface of the clamping plate (8) is further provided with a fixedly connected top plate (14), the surface of the top plate (14) is provided with a plurality of threaded through holes, threaded connection rotating shafts (15) are arranged in the threaded through holes, and fixedly connected reinforcing blocks (16) are arranged at the bottoms of the rotating shafts (15).

4. A positioning and clamping mechanism for precision parts according to claim 1, wherein: both sides ball screw (34) upper portion is overlapped respectively and is equipped with first gear (5), second gear (6), first gear (5) and second gear (6) surface still are equipped with horizontal pole (7) that have the rack, horizontal pole (7) bottom and both sides support frame (31) sliding connection.

5. A positioning and clamping mechanism for precision parts according to claim 1, wherein: the surface of the mounting plate (1) is also provided with a control switch (21), and the control switch (21) is connected with the electromagnet (12) and the pushing cylinder (19).

6. A positioning and clamping mechanism for precision parts according to claim 3, wherein: and the surface of the clamping plate (8) is provided with a fixedly connected protective gasket (9) on the top plate (14).