CN210132421U

CN210132421U - Stable clamping mechanism

Info

Publication number: CN210132421U
Application number: CN201920839958.8U
Authority: CN
Inventors: 杨云; 吴佳; 金晶
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-03-10
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a stabilize clamping mechanism, its technical scheme main points are: the base is included, be equipped with fixed connection's workstation on the base, workstation center department is equipped with circular recess, it rotates the wheel to be equipped with the bilayer of rotating the connection in the circular recess, the bilayer rotates and takes turns to the cover and is equipped with fixed connection's upper gear, upper gear below cover is equipped with fixed connection's lower floor's gear, upper gear both sides are equipped with intermeshing's first rack, the second rack, be equipped with the first tight piece of clamp of fixed connection on first rack and the second rack respectively, the tight piece of clamp of second, the tight piece of first clamp is parallel to each other just perpendicular to first rack and second rack respectively with the tight piece of second clamp, be connected with drive arrangement on the gear of lower floor.

Description

Stable clamping mechanism

Technical Field

The utility model relates to a clamping equipment field, in particular to stabilize clamping mechanism.

Background

During the processing of the workpiece, the workpiece needs to be clamped and fixed by a clamping mechanism so as to prevent the workpiece from moving in the processing process and causing processing deviation. Whether the design and the selection of the clamping device are correct and reasonable directly influences the processing precision, the surface roughness and the processing time of the workpiece, and influences the productivity, the labor intensity and the like. Therefore, the clamping device must meet the following basic requirements: clamping must ensure positioning to be accurate and reliable, and positioning cannot be damaged; the clamping force is reliable and appropriate; the clamping deformation of the workpiece and the clamp must be within an allowable range; the operation is safe, convenient and labor-saving, the structure manufacturability is good, the manufacture is convenient, and the use and the maintenance are convenient; the clamping mechanism must be reliable; the manual clamping machine must guarantee self-locking, the motorized clamping should have an interlocking protection device, the clamping stroke must be sufficient; the complexity and automation of the clamping mechanism must be adapted to the production scheme and factory production conditions. With the advance of technology and the rapid development of the machine manufacturing industry, more and more production scenarios require the use of clamping devices.

At present, chinese patent publication No. CN207077358U discloses a clamping device, which includes a base, a clamping frame, a turnover table sliding plate, a spring guide shaft, a bidirectional cylinder, and a connecting rod, wherein the clamping frame includes a left connecting plate, a right connecting plate, a supporting plate, and a turnover table fixing plate; the turnover table sliding plate is arranged in the clamping frame in a way of moving back and forth; two spring guide shafts are arranged between the turnover table sliding plate and the supporting plate, the front end and the rear end of each spring guide shaft are correspondingly connected with the turnover table sliding plate and the supporting plate one by one, and each spring guide shaft is sleeved with a spring; the bidirectional cylinder is fixed on the base and is positioned below the clamping frame; one end of the connecting rod is connected with the bidirectional cylinder, and the other end of the connecting rod is connected with the turnover table sliding plate through a nut.

Although this clamping device uses a spring as a power source and has a simple structure, the clamping effect is limited as a whole and cannot be achieved

The workpiece to be processed is clamped stably and reliably.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stabilize clamping mechanism, it has the advantage that can stably press from both sides tight work piece.

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

a stable clamping mechanism comprises a base, wherein a fixedly connected workbench is arranged on the base, a circular groove is arranged at the center of the base, a double-layer rotating wheel which is connected in a rotating manner is arranged in the circular groove, an upper-layer gear which is fixedly connected is sleeved on the double-layer rotating wheel, a lower-layer gear which is fixedly connected is sleeved below the upper-layer gear, a first rack and a second rack which are meshed with each other are arranged on two sides of the upper-layer gear, a first clamping block and a second clamping block which are fixedly connected are respectively arranged on the first rack and the second rack, the first clamping block and the second clamping block are parallel to each other and are respectively perpendicular to the first rack and the second rack, a driving device is connected on the lower-layer gear and comprises a sliding groove which is arranged on one side of the lower-layer gear on the surface of the base, a driving rack which is connected with the sliding groove in a sliding manner, a pushing cylinder which is arranged on the, and one end of the piston rod, which is far away from the pushing cylinder, is fixedly connected to the driving rack.

Through adopting above-mentioned technical scheme, the staff places the work piece on the workstation, then make the piston rod drive rack forward movement through starting the push cylinder, owing to drive rack and lower floor gear engagement, so with lower floor gear fixed connection's double-deck rotation wheel to push cylinder one side rotation, again because double-deck rotation takes turns to and still is equipped with fixed connection's upper gear, again because upper gear both sides are equipped with the first rack and the second rack of meshing, so first rack and first clamp tight piece and second rack and second clamp tight piece and be close to until firmly pressing from both sides the work piece to the work piece department at center, then push cylinder stop work, the work piece that is located on the workstation like this just is stably held, be convenient for staff's subsequent processing.

Further setting: the first clamping block is provided with a first electromagnet block at one end close to the second rack, the second clamping block is provided with a second electromagnet block at one end close to the first rack, the second rack is provided with a second electromagnet block, and the first clamping block and the second clamping block are connected

The two ends of the second clamping block are slidably connected with the first rack and the second rack, and iron sheets fixedly connected with the first rack and the second rack are further arranged on the first rack and the second rack.

Through adopting above-mentioned technical scheme, when the upper gear drove the first rack and the second rack of both sides and removed, first clamp tight piece and the mutual sliding connection in the lateral wall of first rack and second rack in the tight piece both ends of second clamp, after pressing from both sides tight fixed work piece, open first circular telegram magnet piece and second circular telegram magnet piece respectively, then first circular telegram magnet piece and second circular telegram magnet piece will fixed connection in first rack, the iron sheet on the second rack firmly adsorbs, make first clamp tight piece and the tight piece relatively fixed of second clamp, guarantee to stabilize the centre gripping with the work piece.

Further setting: and both ends of the first rack and the second rack are provided with limiting plates fixedly connected.

Through adopting above-mentioned technical scheme, the limiting plate that is located first rack and second rack both ends can play effectual spacing guard action, prevents that upper gear from rotating to drive first rack and second rack transmission out of bounds.

Further setting: the surface of the workbench is provided with a limiting groove for placing a workpiece, and the side wall of the limiting groove is provided with fixedly connected anti-slip textures.

Through adopting above-mentioned technical scheme, the staff specifically places the work piece at the spacing inslot on workstation surface, and is equipped with anti-skidding texture on the lateral wall of spacing groove, can make the position of work piece relatively stable like this, can not produce the displacement because of rocking, subsequent clamp tightly and the reprocessing of being convenient for.

Further setting: the base is also provided with a controller, and the controller is connected with the pushing cylinder.

Through adopting above-mentioned technical scheme, the staff controls the start-stop that promotes the cylinder through the controller.

Further setting: the first clamping block is provided with a first control switch electrically connected with the first electromagnet block, and the second clamping block is also provided with a second control switch electrically connected with the second electromagnet block.

Through adopting above-mentioned technical scheme, the staff controls first logical electro-magnet through first control switch, controls second logical electro-magnet through second control switch.

Further setting: and a storage groove for placing parts is formed in the side wall, close to one side of the controller, of the base.

Through adopting above-mentioned technical scheme, a plurality of part can be placed to the storing groove on the base lateral wall, the staff of being convenient for to the reprocessing of work piece.

To sum up, the utility model discloses following beneficial effect has: the double-layer rotating wheel is driven to rotate through the cylinder, so that racks which are connected through gear meshing and arranged above the double-layer rotating wheel are driven to be close to each other, workpieces to be machined are clamped, meanwhile, clamping blocks on two sides are fixed through mutual attraction of the electromagnets and the iron sheets, the workpieces can be located in positions to be machined stably and firmly, operation is convenient and fast, and work efficiency is greatly improved.

Drawings

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

FIG. 2 is a top schematic view of the stabilizing clamping mechanism;

fig. 3 is a side view of the stable clamping mechanism.

In the figure, 1, a base; 2. a work table; 3. a limiting groove; 31. anti-skid texture; 4. a controller; 5. a storage tank; 6. a double-layer rotating wheel; 7. an upper gear; 8. a lower gear; 9. a drive device; 91. a chute; 92. a drive rack; 93. a push cylinder; 94. a piston rod; 10. a first rack; 11. a second rack; 12. a limiting plate; 13. a first clamping block; 14. a second clamping block; 15. a first energized magnet block; 16. a second electromagnet block; 17. iron sheets; 18. a first control switch; 19. a second control switch.

Detailed Description

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

A stable clamping mechanism is shown in figures 1, 2 and 3 and comprises a base 1, wherein a storage groove 5 for placing parts is formed in the side wall of the base 1, which is close to one side of a controller 4. The base 1 is provided with a fixedly connected workbench 2, the surface of the workbench 2 is provided with a limiting groove 3 for placing a workpiece, and the side wall of the limiting groove 3 is provided with fixedly connected anti-skid textures 31. A circular groove is arranged at the center of the base 1, a double-layer rotating wheel 6 which is connected in a rotating way is arranged in the circular groove, an upper gear 7 which is fixedly connected is sleeved on the double-layer rotating wheel 6, a lower gear 8 which is fixedly connected is sleeved under the upper gear 7,

a first rack 10 and a second rack 11 which are meshed with each other are arranged on two sides of the upper gear 7, limiting plates 12 which are fixedly connected are arranged at two ends of the first rack 10 and the second rack 11, a first clamping block 13 and a second clamping block 14 which are fixedly connected are respectively arranged on the first rack 10 and the second rack 11, the first clamping block 13 and the second clamping block 14 are parallel to each other and are respectively perpendicular to the first rack 10 and the second rack 11, a first electrified magnet block 15 is arranged at one end, close to the second rack 11, of the first clamping block 13, a second electrified magnet block 16 is arranged at one end, close to the first rack 10, of the second clamping block 14, a second electrified magnet block 16 is arranged at one end, close to the first rack 11, of the first clamping block 13 and the second clamping block 14, two ends of the first clamping block 13 and the second clamping block 14 are slidably connected with the first rack 10 and the second rack 11, an iron sheet 17 which is fixedly connected is further arranged on the first rack 10 and the second rack 11, a first control switch 18 which is electrically connected with the first electrified magnet block, the second clamping block 14 is further provided with a second control switch 19 electrically connected with the second electromagnet block 16. Be connected with drive arrangement 9 on the gear 8 of lower floor, drive arrangement 9 is including the spout 91 that is located base 1 surface lower floor gear 8 one side, with spout 91 sliding connection drive rack 92, be located push cylinder 93 on base 1 and be located the piston rod 94 on push cylinder 93, piston rod 94 keeps away from push cylinder 93 one end fixed connection and drives on rack 92, still is equipped with the controller 4 of being connected with push cylinder 93 on the base 1.

The main working principle is as follows: the staff places the work piece on workstation 2, specifically places in workstation 2 surperficial spacing groove 3, and is equipped with anti-skidding texture 31 on the lateral wall of spacing groove 3, can make the position of work piece relatively stable like this, can not produce the displacement because of rocking, subsequent clamp tightly and the reprocessing of being convenient for. Then, the controller 4 starts the pushing cylinder 93 to drive the piston rod 94 to drive the driving rack 92 to move forward, and since the driving rack 92 is meshed with the lower gear 8, the double-layer rotating wheel 6 fixedly connected with the lower gear 8 rotates to one side of the pushing cylinder 93, and since the double-layer rotating wheel 6 is also provided with the upper gear 7 fixedly connected, and since the two sides of the upper gear 7 are provided with the first rack 10 and the second rack 11 which are meshed, the first rack 10 and the first clamping block 13 are close to the workpiece at the center of the second rack 11 and the second clamping block 14 until the workpiece is firmly clamped, and then the pushing cylinder 93 stops working. When the upper gear 7 drives the first rack 10 and the second rack 11 at two sides to move, two ends of the first clamping block 13 and the second clamping block 14 are mutually connected on the side walls of the first rack 10 and the second rack 11 in a sliding manner, and when a workpiece is clamped and fixed

After that, the first electromagnet piece 15 and the second electromagnet piece 16 are opened through the first control switch 18 and the second control switch 19, then the first electromagnet piece 15 and the second electromagnet piece 16 firmly adsorb the iron sheet 17 fixedly connected to the first rack 10 and the second rack 11, so that the first clamping piece 13 and the second clamping piece 14 are relatively fixed, the workpiece can be stably clamped, the workpiece on the workbench 2 is stably clamped, and the subsequent processing of a worker is facilitated.

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 stabilize clamping mechanism, includes base (1), be equipped with fixed connection's workstation (2) on base (1), its characterized in that: the base is characterized in that a circular groove is formed in the center of the base (1), a double-layer rotating wheel (6) connected in a rotating mode is arranged in the circular groove, an upper-layer gear (7) fixedly connected is sleeved on the double-layer rotating wheel (6), a lower-layer gear (8) fixedly connected is sleeved under the upper-layer gear (7), a first rack (10) and a second rack (11) which are meshed with each other are arranged on two sides of the upper-layer gear (7), a first clamping block (13) and a second clamping block (14) fixedly connected are respectively arranged on the first rack (10) and the second rack (11), the first clamping block (13) and the second clamping block (14) are parallel to each other and are respectively perpendicular to the first rack (10) and the second rack (11), a driving device (9) is connected onto the lower-layer gear (8), the driving device (9) comprises a sliding groove (91) located on one side of the lower-layer gear (8) on the surface of the base (1), the driving rack (92) is connected with the sliding groove (91) in a sliding mode, the pushing cylinder (93) is located on the base (1), the piston rod (94) is located on the pushing cylinder (93), and one end, far away from the pushing cylinder (93), of the piston rod (94) is fixedly connected to the driving rack (92).

2. The stabilizing clamping mechanism of claim 1, wherein: first clamp tight piece (13) are close to second rack (11) one end and are equipped with first circular telegram magnet piece (15), second clamp tight piece (14) are close to first rack (10) one end and are equipped with second rack (11) one end and are equipped with second circular telegram magnet piece (16), first clamp tight piece (13) and second clamp tight piece (14) both ends and first rack (10), second rack (11) sliding connection, still be equipped with fixed connection's iron sheet (17) on first rack (10) and second rack (11).

3. The stabilizing clamping mechanism of claim 1, wherein: and limiting plates (12) fixedly connected are arranged at the two ends of the first rack (10) and the second rack (11).

4. The stabilizing clamping mechanism of claim 1, wherein: the surface of the workbench (2) is provided with a limiting groove (3) for placing a workpiece, and the side wall of the limiting groove (3) is provided with fixedly connected anti-skidding textures (31).

5. The stabilizing clamping mechanism of claim 1, wherein: the base (1) is also provided with a controller (4), and the controller (4) is connected with the pushing cylinder (93).

6. The stabilizing clamping mechanism of claim 2, wherein: the first clamping block (13) is provided with a first control switch (18) connected with the first electrified magnet block (15), and the second clamping block (14) is further provided with a second control switch (19) connected with the second electrified magnet block (16).

7. The stabilizing clamping mechanism of claim 5, wherein: and a storage groove (5) for placing parts is arranged on the side wall of the base (1) close to one side of the controller (4).