CN210818484U

CN210818484U - Centering vice for machine tool

Info

Publication number: CN210818484U
Application number: CN201921248000.8U
Authority: CN
Inventors: 高崎; 张阳阳; 孙立明; 贾云献; 程中华; 郝冰; 吴宝军; 程俊凯
Original assignee: Army Engineering University of PLA
Current assignee: Army Engineering University of PLA
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-06-23
Anticipated expiration: 2029-08-02

Abstract

The utility model provides a centering vice for a machine tool, which relates to the technical field of clamping tools and comprises a pedestal, a first clamping block, a second clamping block, a bidirectional screw rod, a locking piece and a rotating handle; the pedestal is provided with a guide rail; a first V-shaped groove is formed in the side of the first clamping block; a second V-shaped groove is formed in the side part of the second clamping block; the first clamping block is provided with a first longitudinal clamping block, and the second clamping block is provided with a second longitudinal clamping block. The utility model provides a lathe is with centering vice, first clamp splice and second clamp splice and pedestal pass through two-way lead screw and link to each other, be convenient for realize the adjustment of the interval between the two, can be applicable to the cylindrical workpiece of various sizes, first V type groove and second V type groove are used for holding the cylindrical workpiece that needs horizontal clamping, and third V type groove and fourth V type groove are used for holding the cylindrical workpiece of vertical clamping, universal suitability has, the regulation is realized through the rotatory handle of drive that the size of accommodation space can be convenient, the locking piece has guaranteed the installation stability of component in the course of working.

Description

Centering vice for machine tool

Technical Field

The utility model belongs to the technical field of the clamping frock, more specifically say, relate to a lathe is with centering vice.

Background

With the rapid development of the modern mechanical industry, the machining precision of some complex workpieces plays a key role in the performance of products. The performance of the product is improved by starting from the machining process, and the selection of the clamping tool and the clamping method plays a key role in the performance of the workpiece. The performance of some products is greatly affected due to the lack of proper machining equipment and clamping tools.

The vice is generally used for the cylindrical work piece of centre gripping, when sawing, filing operation to the work piece, and the work piece is horizontal clamping, when threading the eye-splice to the work piece, and the work piece is vertical clamping, and current vice generally can only carry out the clamping to horizontal or fore-and-aft work piece, does not have universal suitability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe is with centering vice to it is limited to solve the fixed direction of work piece that exists among the prior art, and the vice does not have the technical problem of universal applicability.

In order to achieve the above object, the utility model adopts the following technical scheme: providing a centering vice for a machine tool, which comprises a pedestal, a first clamping block, a second clamping block, a bidirectional screw rod, a locking piece and a rotating handle; the pedestal is provided with a guide rail along the length direction, and two ends of the pedestal are respectively provided with a bearing seat; the side part of the first clamping block is provided with a first V-shaped groove which is through from front to back, and the lower part of the first clamping block is connected with the guide rail in a sliding way; a second V-shaped groove which is communicated in the front and back direction and is used for enclosing a clamping space with the first V-shaped groove is formed in the side part of the second clamping block, and the lower part of the second clamping block is connected with the guide rail in a sliding mode; two ends of a bidirectional screw rod are respectively rotatably connected with the two bearing seats, and the bidirectional screw rod penetrates through the two bearing seats and is respectively in threaded connection with the first clamping block and the second clamping block; the locking piece is arranged on the bearing seat and is used for abutting against the outer wall of the bidirectional screw rod; the rotating handle is arranged at one end of the bidirectional screw rod; the upper portion of the first clamping block is further provided with a first longitudinal clamping block, the side portion of the first longitudinal clamping block is provided with a third V-shaped groove which is communicated up and down, the upper portion of the second clamping block is further provided with a second longitudinal clamping block, and the side portion of the second longitudinal clamping block is provided with a fourth V-shaped groove which is formed by enclosing a clamping space with the third V-shaped groove.

And as further optimization, two side walls of the first V-shaped groove, the second V-shaped groove, the third V-shaped groove and the fourth V-shaped groove are respectively provided with a reticulate pattern gasket which is used for being in contact fit with the workpiece.

As a further optimization, the reticulate pattern gasket is a rectangular component, and the four corners of the reticulate pattern gasket are connected with the side wall of the first V-shaped groove or the side wall of the second V-shaped groove through sunk screws respectively.

As further optimization, the both ends of two-way lead screw are equipped with the body of rod that is used for linking to each other with the bearing frame respectively, and the outer end of the body of rod still is equipped with the butt portion that is used for with the locking piece butt, and the external diameter of butt portion is greater than the external diameter of the body of rod.

As a further optimization, the rotary handle comprises a connecting rod which is connected with one end of the bidirectional screw rod and a middle shaft of which is vertical to the main shaft of the bidirectional screw rod, and a handle which is arranged at the outer end of the connecting rod and is rotationally connected with the connecting rod, wherein the main shaft of the handle is parallel to the main shaft of the bidirectional screw rod.

As a further optimization, the end part of the bidirectional screw rod is provided with a rectangular rod extending outwards, and the connecting rod is provided with a rectangular hole matched with the rectangular rod.

As a further optimization, two sides of the pedestal are also respectively provided with connecting plates extending outwards.

As a further optimization, a first sliding block used for being in sliding connection with the guide rail is arranged at the lower part of the first clamping block, and a second sliding block used for being in sliding connection with the guide rail is arranged at the lower part of the second clamping block.

As a further optimization, the guide rail is a convex-shaped groove, and the sections of the first sliding block and the second sliding block are respectively in a convex shape.

The utility model provides a lathe lies in with centering vice's beneficial effect: the utility model provides a lathe is with centering vice, first clamp splice and second clamp splice and pedestal pass through two-way lead screw and link to each other, be convenient for realize the adjustment of the interval between the two, can be applicable to the cylindrical workpiece of various sizes, first V type groove and second V type groove are used for holding the cylindrical workpiece that needs horizontal clamping, and third V type groove and fourth V type groove are used for holding the cylindrical workpiece of vertical clamping, universal suitability has, the regulation is realized through the rotatory handle of drive that the size of accommodation space can be convenient, the locking piece has guaranteed the installation stability of component in the course of working.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic sectional view of a front view of a centering vise for a machine tool according to an embodiment of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

fig. 3 is a schematic sectional structure view of a-a in fig. 2.

In the figure: 100. a pedestal; 110. a guide rail; 120. a bearing seat; 130. a connecting plate; 200. a first clamping block; 210. a first slider; 220. a first V-shaped groove; 230. a reticulated shim; 240. a first longitudinal clamping block; 241. A third V-shaped groove; 300. a second clamp block; 310. a second slider; 320. a second V-shaped groove; 340. a second longitudinal clamping block; 341. a fourth V-shaped groove; 400. a bidirectional lead screw; 410. a rod body; 411. an abutting portion; 420. A rectangular bar; 500. a locking member; 600. rotating the handle; 610. a connecting rod; 620. a handle.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3 together, a centering vise for a machine tool according to the present invention will now be described. The centering vice for the machine tool comprises a pedestal 100, a first clamping block 200, a second clamping block 300, a bidirectional screw 400, a locking piece 500 and a rotating handle 600; the pedestal 100 is provided with a guide rail 110 along the longitudinal direction, and two ends thereof are respectively provided with a bearing seat 120; the side of the first clamping block 200 is provided with a first V-shaped groove 220 which is through from front to back, and the lower part of the first V-shaped groove is connected with the guide rail 110 in a sliding way; a second V-shaped groove 320 which is penetrated in the front and back direction and is used for enclosing a clamping space with the first V-shaped groove 220 is formed in the side part of the second clamping block 300, and the lower part of the second clamping block 300 is connected with the guide rail 110 in a sliding manner; two ends of a bidirectional screw 400 are respectively rotatably connected with the two bearing seats 120, and the bidirectional screw 400 penetrates through the two bearing seats and is respectively in threaded connection with the first clamping block 200 and the second clamping block 300; the locking member 500 is disposed on the bearing housing 120 and is configured to abut against an outer wall of the bidirectional screw 400; the rotating handle 600 is arranged at one end of the bidirectional screw 400; a first vertical clamping block 240 is further arranged above the first clamping block 200, a third V-shaped groove 241 which is through up and down is formed in the side portion of the first vertical clamping block 240, a second vertical clamping block 340 is further arranged above the second clamping block 300, and a fourth V-shaped groove 341 which forms a clamping space with the third V-shaped groove 241 is formed in the side portion of the second vertical clamping block 340. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. The terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model provides a lathe is with centering vice, compared with the prior art, the utility model provides a lathe is with centering vice, first clamp splice 200 and second clamp splice 300 and pedestal 100 link to each other through two-way lead screw 400, be convenient for realize the adjustment of interval between the two, can be applicable to the cylindrical workpiece of various sizes, first V type groove 220 and second V type groove 320 are used for holding the cylindrical workpiece that needs horizontal clamping, and third V type groove 241 and fourth V type groove 341 are used for holding the cylindrical workpiece of vertical clamping, universal suitability has, the size of accommodation space can be convenient realize the adjustment through rotatory handle 600 of drive, the installation stability of component in the course of working has been guaranteed to locking piece 500.

Referring to fig. 1 to 3, as an embodiment of the centering vise for a machine tool according to the present invention, two side walls of the first V-shaped groove 220, the second V-shaped groove 320, the third V-shaped groove 241 and the fourth V-shaped groove 341 are respectively provided with a mesh gasket 230 for contacting and cooperating with a workpiece. The setting up of reticulation gasket 230 can carry out effectual protection to the lateral wall in first V type groove 220, second V type groove 320, third V type groove 241 and fourth V type groove 341 on the one hand, can also improve the frictional force between device and the cylindrical work piece periphery simultaneously, avoids cylindrical work piece to appear circumferential direction's problem in the course of working. In addition, the reticulate pattern gasket 230 is a rigid component, and can be well abutted against the outer wall of the cylindrical workpiece in the process of clamping the cylindrical workpiece, so that a stable clamping effect is guaranteed.

Referring to fig. 1 to 3, in an embodiment of the centering vise for a machine tool according to the present invention, the reticulated gasket 230 is a rectangular member, and four corners of the reticulated gasket 230 are connected to the side wall of the first V-shaped groove 220 or the side wall of the second V-shaped groove 320 by countersunk screws. The cross-hatched washer 230 is a rectangular member and is connected to the device by countersunk screws at the four corners. Countersunk head screw can avoid protruding in the surface of reticulation gasket 230, causes the interference of clamping in-process and work piece, sets up the contact that can avoid work piece and countersunk head screw in reticulation gasket 230's four corners department, increases cylindrical work piece and reticulation gasket 230's area of contact.

Referring to fig. 1 to 2, as a specific embodiment of the centering vise for a machine tool according to the present invention, two ends of the bidirectional screw 400 are respectively provided with a rod 410 for connecting with the bearing seat 120, an outer end of the rod 410 is further provided with an abutting portion 411 for abutting against the locking member 500, and an outer diameter of the abutting portion 411 is larger than an outer diameter of the rod 410. Be equipped with the bearing between bearing frame 120 and the body of rod 410, body of rod 410 sets up in the inner circle inboard of bearing, the outer lane of bearing and the inner wall contact of bearing frame 120, the butt portion 411 of the overhanging setting of the body of rod 410 is used for realizing locking with locking piece 500, after the work piece clamping is accomplished, the circumferencial direction's of two-way lead screw 400 is realized through locking piece 500 fixed, and then guarantee the stability of first clamp splice 200 and second clamp splice 300 relative position, the realization is to the tight effect of clamp of work piece.

Referring to fig. 1 to 2, as an embodiment of the centering vise for a machine tool according to the present invention, the rotating handle 600 includes a connecting rod 610 connected to one end of the bidirectional screw 400 and having a central axis perpendicular to the main axis of the bidirectional screw 400, and a handle 620 disposed at an outer end of the connecting rod 610 and rotatably connected to the connecting rod 610, wherein the main axis of the handle 620 is parallel to the main axis of the bidirectional screw 400. The rotating handle 600 is used for driving the bidirectional screw 400 to rotate in a forward direction or a reverse direction, so that the distance between the first clamping block 200 and the second clamping block 300 is adjusted, and the workpiece is clamped or loosened. Handle 620 and connecting rod 610 adopt the form of being connected of rotating, during hand handle 620, handle 620 can be along with then take place with connecting rod 610's rotation, avoid handle 620 and connecting rod 610 fixed connection to cause the discomfort that handle 620 and human hand friction caused, can set up flexible rubber sleeve on handle 620 to set up anti-skidding line on rubber sleeve, improve the comfort level that handle 620 used.

Referring to fig. 1 to 2, as an embodiment of the centering vise for a machine tool according to the present invention, a rectangular rod 420 extending outward is disposed at an end of the bidirectional screw 400, and a rectangular hole matched with the rectangular rod 420 is disposed on the connecting rod 610. In order to realize the driving effect of the rotating handle 600 on the bidirectional screw 400, the rectangular rod 420 arranged at the outer end of the rod body 410 can be clamped with the rectangular hole on the connecting rod 610, and when the rotating handle 600 rotates, the rectangular rod 420 can be driven to rotate, so that the rotation of the bidirectional screw 400 is realized, and the first clamping block 200 and the second clamping block 300 are driven to realize the clamping or opening action.

Referring to fig. 2 to 3, as an embodiment of the centering vise for a machine tool according to the present invention, connection plates 130 extending outward are respectively disposed on both sides of the pedestal 100. The arrangement of the connecting plate 130 facilitates the installation of the device on a lathe or other working platform, and the device is an independent individual and can be connected to different working surfaces for processing workpieces. The bottom of the pedestal 100 is also provided with a plurality of suction cups for attachment to a work surface, for operative attachment to different work surfaces.

Referring to fig. 1 and 3 together, as an embodiment of the centering vise for a machine tool according to the present invention, a first slider 210 for sliding connection with the guide rail 110 is disposed at a lower portion of the first clamping block 200, and a second slider 310 for sliding connection with the guide rail 110 is disposed at a lower portion of the second clamping block 300. The arrangement of the first sliding block 210 is convenient for ensuring the stability of the first clamping block 200 in the horizontal movement process, the problem of inaccurate workpiece clamping caused by deflection is avoided, and the second sliding block 310 can also ensure stable sliding fit with the guide rail 110, so that the position accuracy of the first V-shaped groove 220 and the second V-shaped groove 320 when clamping workpieces is ensured. When the cylindrical workpiece needs to be transversely clamped, the workpiece is placed between the first V-shaped groove 220 and the second V-shaped groove 320, when the cylindrical workpiece needs to be longitudinally clamped, the workpiece is placed between the third V-shaped groove 241 and the fourth V-shaped groove 341, stable clamping of the workpiece can be achieved through rotating the bidirectional screw 400, and subsequent processing of the workpiece is facilitated. The sliding connection positions of the first slider 210 and the second slider 310 with the guide rail 110 may be either an i-shaped groove or a convex groove, so as to ensure the position stability of the first slider 210 and the second slider 310 in the vertical direction during the sliding process and avoid the problem that the first slider 210 and the second slider 310 are separated from the guide rail 110.

Referring to fig. 3, as a specific embodiment of the centering vise for a machine tool according to the present invention, the guide rail 110 is a convex-shaped groove, and the cross sections of the first slider 210 and the second slider 310 are respectively convex-shaped. The arrangement of the convex-shaped groove can ensure that the lower ends of the first sliding block 210 and the second sliding block 310 can be stably positioned in the convex-shaped groove of the track, so that the stress in the workpiece machining process is avoided, and the workpiece drives the first clamping block 200 and the second clamping block 300 to be separated from the track. In addition, the bottom surface of the embossed groove is a plane, and the plane can form a larger contact surface with the bottom surfaces of the first slider 210 and the second slider 310, so that the stability of the component in the sliding process is ensured.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Lathe is with centering vice, its characterized in that includes:

a pedestal (100) provided with a guide rail (110) along the longitudinal direction, and two ends of the pedestal are respectively provided with a bearing seat (120);

the side part of the first clamping block (200) is provided with a first V-shaped groove (220) which is penetrated through from front to back, and the lower part of the first clamping block is connected with the guide rail (110) in a sliding way;

the side part of the second clamping block (300) is provided with a second V-shaped groove (320) which is penetrated in the front and back direction and used for enclosing a clamping space with the first V-shaped groove (220), and the lower part of the second clamping block (300) is connected with the guide rail (110) in a sliding manner;

two ends of the bidirectional screw rod (400) are respectively and rotatably connected with the two bearing seats (120), and the bidirectional screw rod (400) penetrates through the first clamping block (200) and the second clamping block (300) and is respectively in threaded connection with the first clamping block (200) and the second clamping block (300);

a locking member (500) which is provided on the bearing housing (120) and is used for abutting against the outer wall of the bidirectional screw (400);

a rotating handle (600) arranged at one end of the bidirectional screw (400);

a first longitudinal clamping block (240) is further arranged above the first clamping block (200), and a third V-shaped groove (241) which is through up and down is formed in the side portion of the first longitudinal clamping block (240); a second longitudinal clamping block (340) is also arranged above the second clamping block (300); and a fourth V-shaped groove (341) which forms a clamping space with the third V-shaped groove (241) is formed in the side part of the second longitudinal clamping block (340).

2. The centering vise for machine tools according to claim 1, wherein two side walls of the first V-shaped groove (220), the second V-shaped groove (320), the third V-shaped groove (241) and the fourth V-shaped groove (341) are respectively provided with a reticulated gasket (230) for contact engagement with a workpiece.

3. The centering vise for a machine tool according to claim 2, wherein the mesh shim (230) is a rectangular member, and four corners of the mesh shim (230) are connected to the side walls of the first V-shaped groove (220) or the second V-shaped groove (320) by countersunk screws.

4. The centering vise for a machine tool according to claim 1, wherein a rod body (410) for connecting with the bearing seat (120) is provided at each end of the bidirectional screw (400), an abutting portion (411) for abutting against the locking member (500) is further provided at an outer end of the rod body (410), and an outer diameter of the abutting portion (411) is larger than an outer diameter of the rod body (410).

5. The centering vise for a machine tool as set forth in claim 1, wherein the rotary handle (600) includes a connecting rod (610) connected to one end of the bidirectional screw (400) and having a central axis perpendicular to a main axis of the bidirectional screw (400), and a handle (620) provided at an outer end of the connecting rod (610) and rotatably connected to the connecting rod (610), the main axis of the handle (620) being parallel to the main axis of the bidirectional screw (400).

6. The centering vise for machine tools as claimed in claim 5, wherein the end of said bidirectional screw (400) is provided with a rectangular rod (420) extending outwards, and said connecting rod (610) is provided with a rectangular hole cooperating with said rectangular rod (420).

7. The centering vise for a machine tool according to claim 1, wherein the pedestal (100) is further provided at both sides thereof with connection plates (130) extending outward, respectively.

8. The centering vise for machine tools according to claim 1, wherein the lower portion of the first clamping block (200) is provided with a first slide (210) for sliding connection with the guide rail (110), and the lower portion of the second clamping block (300) is provided with a second slide (310) for sliding connection with the guide rail (110).

9. The centering vise for machine tools according to claim 8, wherein the guide rail (110) is a type groove, and the first slider (210) and the second slider (310) have a type of convex section, respectively.