CN220408410U

CN220408410U - Multi-station precision vice

Info

Publication number: CN220408410U
Application number: CN202321977576.4U
Authority: CN
Inventors: 杨红星
Original assignee: Suzhou Supersecond Intelligent Manufacturing Co ltd
Current assignee: Suzhou Supersecond Intelligent Manufacturing Co ltd
Priority date: 2023-07-26
Filing date: 2023-07-26
Publication date: 2024-01-30
Anticipated expiration: 2033-07-26

Abstract

The utility model relates to a multi-station precision vice, which comprises the following components: at least two box bodies for accommodating the driving rods; one end of the driving rod protrudes out of the box body through a hole in the box body; the driving rod and the first end outside the box body form a handle capable of rotating; the movable chuck and the static chuck are arranged at the second end of the box body; the movable chuck comprises a driving part which is arranged in the box body, is connected with the driving rod through threads and is driven by the threads of the rotating driving rod at the first end and the second end of the box body, and a clamping part which is arranged outside the box body. Compared with the prior art, the utility model can clamp complex structures and prevent damage to precision parts with high precision requirements.

Description

Multi-station precision vice

Technical Field

The application belongs to the anchor clamps field and in particular relates to the improvement to precision clamp.

Background

In the field of precision machine clamping, the clamped workpiece needs to be transferred, or an intermediate material piece in the clamping process is transferred between different machine tools. In the process, a workpiece is clamped by using a precise clamping tool, so that the workpiece is prevented from being damaged in the clamping process by the conventional clamping tool, and the precision of the workpiece is reduced.

In conventional workpiece transfer processes, common clamping tools include mechanical clamps, vacuum chucks, and the like. However, these conventional clamping tools have certain limitations. The mechanical clamp has higher clamping force and stability, but is easy to scratch or deform the surface of the workpiece in the clamping process, so that the precision of the workpiece is reduced. Vacuum chucks can avoid damaging the workpiece in some cases, but have poor clamping effect on the workpiece with complex or irregular surfaces, and are easy to distort or slide.

In order to overcome the problems of the conventional clamping tool, a new clamp capable of clamping a precision workpiece without damaging the surface thereof needs to be proposed.

Disclosure of Invention

For solving above-mentioned technical problem, this application provides a new accurate vice structure of multistation, and its improvement mainly is, the accurate vice of multistation includes:

at least two box bodies for accommodating the driving rods;

one end of the driving rod protrudes out of the box body through a hole in the box body;

the driving rod forms a handle which can rotate at the first end outside the box body;

the movable chuck and the static chuck are arranged at the second end of the box body;

the movable chuck comprises a driving part and a clamping part, wherein the driving part is arranged in the box body, is connected with the driving rod through threads, is driven by the threads of the rotating driving rod at the first end and the second end of the box body, and is arranged outside the box body.

Preferably, the driving part comprises a threaded hole connected with the driving rod and a lug for sliding in the box body, and the box body comprises a sliding groove matched with the lug.

Preferably, the driving part includes a screw hole connected with the driving rod, and a groove for sliding inside the case, and the case includes a protrusion engaged with the groove.

Preferably, the box body comprises an opening, a first cover plate and a second cover plate are arranged on the opening, the first cover plate is provided with a first opening with the same length as the sliding range of the driving part, and the second cover plate is provided with a second opening through which the connecting part of the movable chuck and the driving part can pass.

Preferably, the second cover plate is slidably stacked on the first cover plate following the movable clamp.

Preferably, the box body comprises a bottom plate, and a positioning hole for the box body to rotate is formed in the center of the bottom plate.

Preferably, the positioning hole is arranged in a positioning column, and the positioning column is arranged in a disc groove at the bottom of the box body.

Preferably, a rotatable positioning plate is arranged in the disc groove, and the positioning plate is provided with an arc-shaped edge which is meshed with the edge of the disc groove.

Preferably, the two sides of the bottom plate of the box body comprise a first handle and a second handle which are convenient to hold or position.

Preferably, the box body is provided with an opening through which the driving rod passes, a bearing is arranged in the opening, and the driving rod passes through the bearing.

Preferably, the size and shape of the threads should be within an error of plus or minus 5 microns. The thread gauge is M10x1.5, and the size and shape of the thread are in the range of M10x1.5+/-5 microns.

Preferably, the distance between adjacent thread peaks of the threads should be within an error of plus or minus 5 microns. For example, if the specified pitch is 1 millimeter, the actual pitch of the threads should be in the range of 1 millimeter + -5 microns.

Preferably, the pitch is 1 mm and the thread angle is 60 degrees.

The advantage of this application relative prior art lies in, through setting up accurate screw thread actuating mechanism, can the centre gripping accurate work piece not cause the damage to the work piece simultaneously, sets up a plurality of positioning mechanism and is convenient for work piece and clamping tool location simultaneously.

The application is a multi-station precision vice structure, which comprises a clamping structure with at least two stations. Compared with the single-station structure in the prior art, the structure has various advantages: the multi-station machine tool can simultaneously perform multiple working procedures, and the efficiency of simultaneously processing multiple workpieces is greatly improved. Compared with the operation of replacing the workpiece for multiple times at a single station, the multi-station machine tool can finish multiple working procedures on one machine tool, and the space cost of a working room is saved. The multi-station design of the machine tool allows flexible adjustment of the production flow and adapts to the processing requirements of different products. The multi-station can be better integrated with an automatic system, and higher-degree automatic processing is realized, so that human intervention is reduced, and operation risks are reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of a multi-station precision vice.

FIG. 2 is a schematic diagram of an exploded view of a multi-station precision vise assembly.

FIG. 3 is a schematic view of a multi-station precision vice in cross section along A-A in FIG. 1.

FIG. 4 is a schematic view of a multi-station precision vice in cross section along B-B in FIG. 1.

Detailed Description

The embodiments of the present application are described in further detail below with reference to the accompanying drawings to assist those skilled in the art in understanding the technical solutions of the present application.

Referring to the multi-station precision vice 100 structure shown in fig. 1 and 3, referring to the multi-station precision vice 100 structure shown in fig. 1, precision parts for clamping machine tools are used to prevent damage to workpieces during transfer between different machine tools.

At least two cartridges 200 for receiving the driving rods 500, and a user of the cartridges 200 receives the driving rods 500, and a portion of the cartridges 600. One end of the drive rod 500 protrudes from the housing 200 through the aperture 201 in the housing 200, and the drive rod 500 forms a rotatable handle 501 at the first end 211 of the housing 200, which in use moves the collet 600 by rotating the handle 501. The chuck 600 comprises a movable chuck 601 and a static chuck 607, the static chuck 607 being disposed at the second end 212 of the housing 200; the movable clamp 601 includes a driving part 602 disposed in the case 200, which is screwed with the driving rod 500, and driven by the screw of the rotated driving rod 500 at the first and second ends 211 and 212 of the case 200, and a clamping part 603 disposed outside the case 200. When in use, the driving part 602 can be driven to move along the main body direction of the box body 200 by rotating the handle 501 outside the box body 200, so that the distance between the driving part of the chuck 601 and the static chuck 607 is increased or decreased, and workpieces with different sizes are clamped.

The multi-station precision vice 100 shown in fig. 1 has not only excellent clamping force but also a reasonable design, and can easily cope with various shapes and specifications of parts. The drive rod 500 portion of the vise is formed of high precision threaded assemblies that enable accurate transmission on the order of microns, enabling the vise to flexibly accommodate various sized parts.

In a preferred embodiment of the present application, at least two of the cartridges 200 are provided, such as a plurality of cartridges 200 side by side as shown in the drawings.

The cartridge 200 shown in fig. 1 includes a plurality of cartridges 200, wherein each cartridge 200 has the same structure as the other cartridges 200, so that those skilled in the art will recognize the structure of the other cartridges 200 by simply understanding the structure of one of the cartridges 200, and the present application describes the structure of one of the cartridges 200 in detail as a representative.

Referring to fig. 1 and 2, four parallel cassettes 200 are included, each of which cassettes 200 has a common base plate 300 and a face plate 900 and a different top plate 400. The base plate 300, as shown in fig. 2, forms a plurality of inner cavities 206 laterally connected to the cartridges 200, the inner cavity 206 of each cartridge 200 having two adjacent support blocks 303 defining a lateral width, and the shape and longitudinal extension of the inner cavity 206 being defined by the support blocks 303.

The end face 304 of the first end 211 of the supporting block 303 is connected to a panel 900, the extending direction of the panel 900 is perpendicular to the extending direction of the supporting block 303, and the panel 900 is provided with a hole 201 through which the driving rod 500 can pass, corresponding to the cavity 206 in the case 200 defined by each pair of two adjacent supporting blocks 303. The width of the panel 900 is the same as that of the bottom plate 300, pairs of screw holes 901 for fixing the panel 900 to the bottom plate 300 are provided at both sides of the hole 201 of the panel 900, and the panel 900 is fixed to the bottom plate 300 by screws.

Corresponding to each of the support blocks 303, an upper plate 400 is provided to be mounted on the support block 303. Holes 402 for fixing screws are provided in each of the upper plates 400, and screw holes 306 for fixing screws are provided in each of the corresponding support blocks 303, the screws passing through the screw holes 306 and fixing the upper plates 400 to the support blocks 303 when the upper plates 400 are mounted to the support blocks 303. Each of the upper plates 400 as shown includes four of the screw holes 402. On the panel 900, a stopper block 902 protruding from the other portion is formed corresponding to the position of the support block 303 on the panel 900, and the stopper block 902 is used to form a complete plane together with the panel 900 when the panel 900 is mounted on the base plate 300.

In the preferred embodiment of the present application, the upper plate 400 and the supporting block 303 further include other connection means. Such connection means include, but are not limited to, threaded connections, bayonet connections, welded connections, etc. as known to those skilled in the art.

At the second end 212 of the case 200, each of the supporting blocks 303 includes a connecting slot for mounting a static chuck 607 at the second end 212 of the case 200, and a screw hole 307 for a connecting screw is provided in the connecting slot 308, and the connecting screw passes through the static chuck 607 and is connected to the screw hole 307 when the static chuck 607 is connected to the connecting slot.

The static chuck 607 is an integral structure, and the static chuck 607 is composed of a continuous strip block structure. The static clamping head 607 is respectively abutted against the second end 212 of the upper plate 400 and the second end 212 of the inner cavity of the box, and seals the second end 212 of the inner cavity of the box 200. The bottom of the static chuck 607 is provided with a connecting lug 608 which is corresponding to the connecting groove 308 and protrudes out of the bottom of the static chuck 607. The bottom of the stationary chuck 607 further includes an elongated slot 609 for receiving a portion of the structure of the workpiece, the elongated slot 609 for longitudinally securing the position of the workpiece.

The bottom plate 300, the upper plate 400, the panel 900 and a part of the static chuck 607 enclose five surfaces of the box 200, and the box 200 includes an upper opening 209, where a first cover 700 and a second cover 800 (described in detail below) are disposed.

Optionally, the two sides of the bottom plate 300 of the case 200 include a first handle 803 and a second handle 804 for easy holding.

In a preferred embodiment of the present application, the first handle 803 and the second handle 804 may also be used as an alignment mechanism for positioning the position of the vise as a whole, and the device for aligning the first handle 803 and the second handle 804 may be included on a processing apparatus (e.g., lathe, milling machine, etc.), and the positioning of the vise on the processing apparatus may be accomplished only by aligning the first handle 803 and the second handle 804 with the alignment device.

The driving rod 500 is disposed inside the case 200, the driving rod 500 integrally penetrates through a space in the longitudinal direction surrounded by the case 200, the driving rod 500 is a solid metal column, driving threads (not shown in the drawing) are disposed on the surface of the driving rod 500, the driving threads are used for being connected with a driving portion 602 of the movable chuck 601, and a second end 502 of the driving rod 500 is suspended and serves as a second supporting point through a threaded connection hole 201 on the driving portion 602. The first end 211 of the drive rod 500 passes through an aperture 201 provided in the panel 900 of the case 200 and the first end 211 of the drive rod 500 is coupled 301 with a bearing within the aperture 201 within which the drive rod 500 is rotatable such that the drive portion 602 may be driven by the drive rod 500. The portion of the driving rod 500 protruding outside the case 200 through the opening 201 forms a handle 501 for operation, the user can rotate the driving rod 500 by rotating the cylindrical handle 501, and a hexagonal boss 503 is further provided on the handle 501, and the boss 503 can be used for operating the driver of the rotating or connecting automatic control device.

In a preferred embodiment, the driving part 602 and the clamping part 603 of the movable chuck 601 are of an integrated structure, the size of the connecting part 604 is reduced, the reduced part is used for penetrating through openings arranged on the upper cover plate and the lower cover plate, the driving part 602 is of a block structure as a whole, the driving part 602 comprises a threaded hole 605 connected with the driving rod 500, and a protruding block 606 used for sliding in the box 200, and the box 200 comprises a sliding groove 302 matched with the protruding block 606. When the drive rod 500 is disposed within the drive block, the drive block maintains continuous support for the second end 502 of the drive rod 500 during sliding.

Referring to fig. 2, the inside of the case 200 includes a sliding chute 302 that is coupled with a protrusion 606 on the driving part 602, the bottom of the chute 302 is formed by the bottom plate 300, and the width of the chute 302 is expanded outwards. The upper part of the chute 302 is formed by an upper plate 400. The upper plate 400 defines the vertical position of the projection. The static grip 607 and the panel 900 define the position of the drive section 602 as the drive section 602 is driven to slide between the first end 211 and the second end 212 by the drive lever 500.

In a preferred embodiment, contrary to what is shown in fig. 2, the inside of the case 200 includes a protrusion matching with the recess, the driving portion 602 includes a recess for sliding inside the case 200, the protrusion extends into the recess, and the protrusion itself can play a role in fixing the recess in a vertical direction, so that the upper plate 400 can be omitted, i.e. material cost is saved.

As shown in fig. 2, the case 200 includes an opening 209, and a first cover 700 and a second cover 800 are disposed on the opening. The opening is surrounded by the upper plate 400, and a groove for accommodating the first cover plate 700 and the second cover plate 800 is formed in the upper plate 400, and the first cover plate 700 and the second cover plate 800 can slide in the groove. The first cover 700 is stacked under the second cover 800, and a first opening 701 having the same length as the sliding range of the driving part 602 is provided on the first cover 700, the opening having a first inlet 702 at one side, the first inlet 702 allowing the reduced size part 604 between the clamping part 603 and the driving part 602 to enter the inside of the first opening 701. The second cover plate 800 is provided with a second opening 801 for the passage of the connection between the movable jaw 601 and the eastern part of the zone, and similarly the second opening 801 comprises a second inlet 802 allowing the reduced dimension 604 between the clamping portion 603 and the driving portion 602 to enter the interior of the second opening 801.

When the movable clamp 601 slides, the second cover 800 is driven to slide on the first cover 700, the second cover 800 is used for shielding the first opening 701 on the first cover 700, and the first cover 700 is used for shielding the opening of the box 200 which cannot be shielded by the second cover 800. The advantage of using two layers of cover plates is that the cartridge 600 can slide while protecting the interior of the cartridge 200 from dust, and the overall length of the cover plates can be kept short by using the cover plate partition shielding openings, which is beneficial to transfer, transport and placement.

In addition, a positioning hole 201 for rotation of the cartridge 200 is included in the center of the base plate 300. The positioning hole 201 can be inserted into a positioning rod in the machine tool, and can rotate on the positioning rod to process workpieces in different directions and at different positions during processing.

Also provided on the base plate 300 is a circular disk slot 340. In the preferred embodiment, the locating holes 201 are provided in locating posts provided in the circular disk slot 340 in the bottom of the cartridge 200.

In a preferred embodiment, a rotatable positioning plate 341 is disposed in the disk slot 340, the positioning plate 341 having arcuate edges that engage the edges of the disk slot 340.

The positioning plate 341 includes a transversely extending groove 343 and a longitudinally extending groove 344, and the transversely extending groove 343 and the longitudinally extending groove 344 are positioned by the positioning device on the positioning plate and the machine tool after the positioning plate is rotated 90 degrees, so as to prevent the vice from rotating during the machining process.

In summary, the present application relates to a multi-station precision vice structure for clamping precision parts machined by a machine tool to prevent damage. The vice structure has the following advantages:

the vice structure is reasonable in design, can provide excellent clamping force, ensures that a workpiece is kept stably clamped in the machining process, and avoids loosening or shifting of the workpiece.

The driving rod adopts a high-precision threaded component to realize micron-sized precise transmission, so that the vice can flexibly adapt to workpieces with various sizes, and precise clamping and machining are provided.

Through the parallel design of a plurality of box bodies, each box body structure is the same, has reduced manufacturing and maintenance cost. Meanwhile, the installation mode of the connecting supporting blocks and the upper plate between the box bodies enables the structure to be stable and reliable.

The box body design includes handle and alignment mechanism for the location of vice on processing equipment is convenient and fast more, and operating personnel can carry out accurate positioning through the handle, improves work efficiency.

The box body structure adopts upper cover plate and lower apron, can shield interior part, effectively prevents dust and pollutant entering, protects the inside mechanical transmission part of vice, increase of service life.

In conclusion, the multi-station precision vice structure has the advantages of high clamping force, flexible adaptability, parallel connection of multiple boxes, simple and convenient operation, protective design and the like, can be widely applied to the field of machine tool processing, improves the processing precision and efficiency, and protects workpieces from damage.

Claims

1. Multistation precision vice, its characterized in that includes:

at least two box bodies for accommodating the driving rods;

2. The multi-station precision vice of claim 1, wherein the driving portion comprises a threaded hole connected to the driving rod, and a protrusion for sliding inside a box body comprising a sliding groove cooperating with the protrusion.

3. The multi-station precision vice of claim 1, wherein the drive portion comprises a threaded bore coupled to the drive bar and a recess for sliding within the housing, the housing comprising a tab therein that mates with the recess.

4. A multi-station precision vice according to claim 2 or 3, wherein the box comprises an opening, a first cover plate and a second cover plate are arranged on the opening, the first cover plate is provided with a first opening with the same length as the sliding range of the driving part, and the second cover plate is provided with a second opening for the joint of the movable clamping head and the driving part to pass through.

5. The multi-station precision vice of claim 4, wherein the second cover plate is slidably stacked on the first cover plate following the movable clamp.

6. The multi-station precision vice of claim 1, wherein the cartridge comprises a base plate having a locating hole in the center of the base plate for rotation of the cartridge.

7. The multi-station precision vice of claim 6, wherein the positioning holes are provided in positioning posts that are provided in disk slots in the bottom of the case.

8. The multi-station precision vise of claim 7, wherein said circular plate grooves are provided with rotatable positioning plates having arcuate edges engaging said circular plate groove edges.

9. The multi-station precision vice of claim 1, wherein the two sides of the base plate of the cartridge comprise a first handle and a second handle that facilitate gripping or positioning.

10. The multi-station precision vice according to claim 1, wherein the box body is provided with an opening through which the driving rod passes, a bearing is arranged in the opening, and the driving rod passes through the bearing.