CN210476642U

CN210476642U - Multi-connection combined vice based on workpiece cylindrical surface characteristics

Info

Publication number: CN210476642U
Application number: CN201921059688.5U
Authority: CN
Inventors: 单以才; 武凯
Original assignee: Nanjing College of Information Technology
Current assignee: Nanjing College of Information Technology
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-05-08
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a multi-connected combined vice based on the cylindrical surface characteristics of a workpiece, which comprises a base, a fixed inlay and a movable inlay, wherein the base is a cylinder with an opening at one end, and a plurality of chutes are uniformly distributed on the bottom surface of the base along the radial direction; the fixed inlay is fixed on the bottom surface and positioned at one end of the sliding groove, a first inner arc surface is arranged on the fixed inlay, a first V-shaped surface is arranged on the first inner arc surface, and openings of the first inner arc surface and the first V-shaped surface face to the center of the base; the movable inlay is in sliding connection with the sliding groove, the movable inlay is arc-shaped and comprises a second inner arc surface and a second outer arc surface concentric with the second inner arc surface, a second V-shaped surface is arranged on the second outer arc surface, and the opening direction of the second V-shaped surface is opposite to that of the first V-shaped surface; the utility model discloses a plurality of arcs move the inlay inwards or outwards remove simultaneously, can realize the work piece excircle centre gripping and the hole location centre gripping to having the cylinder characteristic, and can be simultaneously to a plurality of work piece centre grippings that have the cylinder characteristic.

Description

Multi-connection combined vice based on workpiece cylindrical surface characteristics

Technical Field

The utility model relates to a work piece holder technical field, concretely relates to many combination vices based on work piece cylinder characteristic.

Background

A vise is a general purpose fixture that is typically placed on a work table for holding a workpiece for subsequent related machining or assembly operations. However, the existing bench vice mainly adopts parallel jaws, and when a workpiece with a cylindrical surface characteristic is clamped, the workpiece is inconvenient to install and clamp and low in working efficiency because the workpiece often rolls. The invention patent 201811335494.3 discloses a multifunctional vice for cylindrical bobbin, which adopts a rotatable top frame, a spring and a push rod structure, a plurality of cylindrical bobbins with different diameters can be installed in one-time clamping, but the clamping stability is easily affected due to the change of the stress of the spring, so the multifunctional vice is not suitable for the clamping occasion of mechanical processing. In addition, the conventional vise does not have a "hole-positioning" clamping function.

Disclosure of Invention

An object of the utility model is to provide a many combination vices based on work piece cylinder characteristic to solve among the prior art vice installation cylindricality part inconvenient, installation clamping efficiency low, and be difficult to take the problem "with the hole location" in the installation clamping process.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a multi-combined vice based on the cylindrical surface characteristics of a workpiece comprises a base, a movable inlay and a fixed inlay, wherein the base is in a cylindrical shape with an opening at one end, and a plurality of sliding grooves are uniformly distributed on the bottom surface of the base along the radial direction; the fixed inlay body is fixed on the bottom surface and is positioned at one end of the sliding groove, a first inner arc surface is arranged on the fixed inlay body, a first V-shaped surface is arranged on the first inner arc surface, and openings of the first inner arc surface and the first V-shaped surface face to the center of the base; the movable inlay is in sliding connection with the sliding groove, the movable inlay is arc-shaped, the movable inlay comprises a second inner arc surface and a second outer arc surface concentric with the second inner arc surface, a second V-shaped surface is arranged on the second outer arc surface, and the opening direction of the second V-shaped surface is opposite to the opening direction of the first V-shaped surface.

Further, the sliding groove comprises a middle rectangular through hole and strip-shaped grooves symmetrically arranged on the upper side and the lower side of the rectangular through hole; and the rectangular through hole is internally and slidably connected with a combined sliding block.

The device further comprises a turntable, wherein a plurality of kidney-shaped grooves are formed in the turntable, and the number of the kidney-shaped grooves is the same as that of the sliding grooves; the top of combination slider with move inlay fixed connection, bottom sliding connection in the kidney-shaped inslot rotates the carousel drives the combination slider slides.

Furthermore, an extension shaft is arranged at the center of the turntable, and a worm wheel is mounted on the extension shaft; and the worm wheel is engaged with a driving worm.

Furthermore, the base plate is connected to the opening end of the base, a central through hole is formed in the base plate, and the extension shaft is rotatably connected into the central through hole.

Further, the drive worm includes worm, extension bar and drive division, extension bar one end links to each other with the worm, and the other end is rotatable to pass the round hole on the base and link to each other with the drive division.

Further, the first V-shaped surface on the fixed inlay body is the same as the second V-shaped surface on the movable inlay body in structural size.

Further, the number of the sliding grooves is six.

Further, the number of the sliding grooves is two or three.

Furthermore, two symmetrical U-shaped fixed interfaces are fixed on the side surface of the base.

The utility model has the advantages that:

1. the arc movable inlays move inwards or outwards at the same time, so that the outer circle and the inner hole of a workpiece with the cylindrical surface characteristics can be clamped, and the mounting and clamping modes of the vice are expanded;

2. the arc movable inlays and the corresponding arc fixed inlays form a plurality of arc vices, and can clamp the outer circles of a plurality of workpieces with cylindrical surface characteristics at the same time, so that the mounting and clamping efficiency of the vices is improved;

3. the radial movement of the combined sliding block is realized by adopting a plurality of waist-shaped grooves which are uniformly distributed in the circumferential direction, the complexity of adopting bevel gear transmission or end face spiral transmission is avoided, and the processing difficulty of a vice is reduced;

4. by adjusting the number of the arc-shaped movable inlays and the number of the arc-shaped fixed inlays, linkage vices with different numbers can be quickly built;

5. by utilizing the worm and worm wheel transmission, not only can a larger clamping force be obtained, but also a certain locking function can be obtained.

Drawings

Fig. 1 is a schematic view of the overall structure of a multi-gang combined vice according to an embodiment of the present invention;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a schematic structural view of a base according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a set inlay according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a movable inlay according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a turntable according to an embodiment of the present invention;

FIG. 7 is a front view of FIG. 6;

FIG. 8 is a schematic structural view of a combined slide block according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a driving worm according to an embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a bottom plate according to an embodiment of the present invention;

fig. 11 is a schematic view of a first working state of the multi-gang combined vice according to the embodiment of the present invention;

fig. 12 is a schematic view of a second working state of the multi-gang combined vice according to the embodiment of the present invention;

fig. 13 is a schematic view of a third working state of the multi-gang combined vice according to the embodiment of the present invention;

fig. 14 is a schematic structural view of a second state of the multi-gang combined vise according to the embodiment of the present invention;

fig. 15 is a schematic structural view of a third state of the multi-gang combined vise according to the embodiment of the present invention.

Wherein: 1. a base; 1-1, fixing the interface; 1-2, rectangular through holes; 1-3, a strip-shaped groove; 1-4, round holes; 2. fixing an inlay; 2-1, a first inner arc surface; 2-2, a first V-shaped surface; 2-3, a first outer arc surface; 2-4, a first mounting hole; 3. a combined slide block; 3-1, a rectangular sliding block; 3-2, supporting a shaft; 3-3, sliding shaft; 4. moving the inlay; 4-1, a second inner arc surface; 4-2, a second V-shaped surface; 4-3, a second outer arc surface; 5. a turntable; 5-1, a kidney-shaped groove; 5-2, extending the shaft; 6. a drive worm; 6-1, a worm; 6-2, a lengthening bar; 6-3, a driving part; 7. a second bearing; 8. a second bearing end cap; 9. a base plate; 9-1, a central through hole; 9-2 lightening holes; 10. a worm gear; 11. a first bearing; 12-1, type I workpiece; 12-2, type II workpiece; 12-3, type III workpiece.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, 4 and 5, a multi-gang combined vice based on the cylindrical surface characteristics of a workpiece comprises a base 1, a fixed inlay 2 and a movable inlay 4, wherein the base 1 is a cylinder with an opening at one end, and a plurality of sliding grooves are uniformly distributed on the bottom surface of the base 1 along the radial direction; the fixed inlay body 2 is fixed on the bottom surface and is positioned at one end of the sliding groove, a first inner arc surface 2-1 is arranged on the fixed inlay body 2, a first V-shaped surface 2-2 is arranged on the first inner arc surface 2-1, and openings of the first inner arc surface 2-1 and the first V-shaped surface 2-2 face the center of the base 1; the movable inlay 4 is in sliding connection with the sliding groove, the movable inlay 4 is arc-shaped, the movable inlay 4 comprises a second inner arc surface 4-1 and a second outer arc surface 4-3 concentric with the second inner arc surface 4-1, a second V-shaped surface 4-2 is arranged on the second outer arc surface 4-3, and the opening direction of the second V-shaped surface 4-2 is opposite to the opening direction of the first V-shaped surface 2-2; the movable inlay 4 slides in the sliding groove and clamps the workpiece far away from or close to the fixed inlay 2.

The utility model discloses a move inlay 4 and remove the realization to base 1 center simultaneously and press from both sides tightly the work piece (I type work piece 12-1) that the surface is columniform, as shown in fig. 11. By simultaneously moving the movable inlay 4 outward, it is possible to effect clamping of a workpiece (type II workpiece 12-2) whose inner surface is cylindrical, as shown in fig. 12. This device can realize excircle centre gripping and hole location centre gripping simultaneously, has expanded the installation centre gripping mode of vice. As shown in fig. 13, the movable inlay 4 and the corresponding fixed inlay 2 form an arc-shaped vice, which can clamp the outer circles of a plurality of workpieces (III-type workpieces 12-3) with cylindrical features, thereby improving the mounting and clamping efficiency of the vice.

As shown in fig. 1 and 2, a multi-gang combined vice for cylindrical workpieces comprises an inverted cylindrical base 1, two symmetrical U-shaped quick fixing interfaces 1-1 are arranged outside the lower edge of a barrel opening, six equal rectangular through holes 1-2 are radially formed in the bottom surface of the barrel, strip-shaped grooves 1-3 are formed in the upper side and the lower side of each rectangular through hole 1-2, a combined sliding block 3 capable of sliding along the radial direction of the base 1 is arranged in each rectangular through hole 1-2, and an arc-shaped fixing inlay 2 is arranged at the top end of the outer side of each strip-shaped groove 1-3 at intervals, as shown in fig. 3.

As shown in figure 8, the combined sliding block 3 is composed of a rectangular sliding block 3-1, a supporting shaft 3-2 and a sliding shaft 3-3, wherein the supporting shaft 3-2 and the sliding shaft 3-3 are installed on the end faces of the two sides of the rectangular sliding block 3-1, the other end of the supporting shaft 3-2 is fixedly connected with an arc-shaped movable inlay 4, and the sliding shaft 3-3 is slidably connected in a waist-shaped groove 5-1 on a rotating disc 5.

As shown in fig. 4, the arc-shaped inlay piece 2 is installed in the radius direction of the upper end surface of the base 1 through the first installation hole 2-4, the arc-shaped inlay piece 2 is provided with a first inner arc surface 2-1 and a first outer arc surface 2-3 concentric with the first inner arc surface 2-1, the first inner arc surface 2-1 is provided with a first V-shaped surface 2-2, and the opening of the first V-shaped surface 2-2 faces the center of the base 1; as shown in fig. 5, the arc-shaped movable inlay 4 is connected with the support shaft 3-2 through a second mounting hole 4-4, a second inner arc surface 4-1 and a second outer arc surface 4-3 concentric with the second inner arc surface 4-1 are arranged on the arc-shaped movable inlay 4, a second V-shaped surface 4-2 is arranged on the second outer arc surface 4-3, and an opening of the second V-shaped surface 4-2 deviates from the center of the base 1 and is opposite to an opening of the first V-shaped surface 2-2; the first V-shaped surface 2-2 on the arc-shaped inlay fixed body 2 is the same as the second V-shaped surface 4-2 on the arc-shaped inlay movable body 4 in structural size, so that the good clamping effect is achieved when the inlay fixed body 2 and the inlay movable body 4 clamp the III-type workpiece 12-3.

As shown in fig. 6, six equal parts of kidney-shaped grooves 5-1 are uniformly distributed on the rotating disc 5 along the circumferential direction, one end of each kidney-shaped groove 5-1 is located on a circle with the diameter of Ø 1, the other end is located on a circle with the diameter of Ø 2, the difference between the diameter Ø 1 and the diameter Ø 2 is the radial stroke of the combined slide block 3, as shown in fig. 7, the diameter Ø 1 and the diameter Ø 2 in the present invention do not mean the diameter of 1 and the diameter of 2.

An extension shaft 5-2 is also arranged at the center of the end face at one side of the turntable 5; a worm wheel 10 is arranged on the extension shaft 5-2, and the tail end of the extension shaft 5-2 is connected with the bottom plate 9 through a first bearing 11 and a first bearing end cover 12; a central through hole 9-1 for installing a first bearing end cover 12 is arranged at the center of a bottom plate 9 connected with the edge of a barrel opening of the base 1, and a lightening hole 9-2 is respectively arranged at two sides of the central through hole 9-1 along the direction vertical to the installation direction of the driving worm 6, as shown in figure 10; two ends of a worm wheel 10 meshed and connected with the driving worm 6 are connected with a bottom plate 9 through a second bearing 7 and a second bearing end cover 8 in sequence, the worm wheel comprises a worm 6-1, a long rod 6-2 and a driving part 6-3, the mounting direction of the driving worm 6 is vertical to the connecting line direction of two U-shaped quick fixing interfaces 1-1, one end of the long rod 6-2 is connected with the worm 6-1, and the other end of the long rod 6-2 can rotatably penetrate through a round hole 1-4 in the base 1 to be connected with the driving part 6-3, as shown in figure 9.

In addition, when the multi-linkage combined vice is used, according to the size of the clamped part, different numbers of arc-shaped fixed inlays 2 and arc-shaped movable inlays 4 can be adopted to form the combined vice needing linkage, namely a two-linkage combined vice shown in fig. 14, and a three-linkage combined vice shown in fig. 15.

The utility model discloses a working principle of combining vice that ally oneself with more based on work piece cylinder characteristic as follows:

the first clamping method comprises the following steps: the base 1 is connected with other supporting workbenches through the U-shaped quick fixing interface 1-1, a manual or driving device rotates to drive the worm 6, and the plurality of arc-shaped movable inlays 4 are driven to move inwards or outwards together through the worm wheel 10, the rotary disc 5 and the combined sliding block 3; when the plurality of arc-shaped movable inlays 4 move inwards, the I-shaped workpiece 12-1 can be clamped by the second inner arc surfaces 4-1 of the plurality of arc-shaped movable inlays 4 at the same time, as shown in FIG. 11; when the plurality of arc-shaped movable inlays 4 move outwards, the second outer arc surface 4-3 of the plurality of arc-shaped movable inlays 4 can adopt a hole-positioning mode to clamp the II-shaped workpiece 12-2 at the same time, as shown in FIG. 12.

The second clamping method comprises the following steps: the base 1 is connected with other supporting workbenches through the U-shaped quick fixing interface 1-1, the manual or driving device rotates to drive the worm 6, the plurality of arc-shaped movable inlays 4 are driven to move outwards together through the worm wheel 10, the rotary table 5 and the combined sliding block 3, so that the plurality of arc-shaped movable inlays 4 and the adjacent arc-shaped fixed inlays 2 form a plurality of linked vices, and simultaneously clamp and scatter III-shaped workpieces 12-3, and the III-shaped workpieces 12-3 can be conveniently processed or assembled, as shown in fig. 13.

In the description of the present invention, it should be understood that the terms "first", "second", etc. are used to define the components, and are only used for the convenience of distinguishing the components, and if not stated otherwise, the terms have no special meaning, and therefore, should not be interpreted as limiting the scope of the present invention.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides a ally oneself with combination vice more based on work piece cylinder characteristic which characterized in that includes:

the base (1) is cylindrical, one end of the base (1) is open, and a plurality of sliding grooves are uniformly distributed on the bottom surface of the base (1) along the radial direction;

the fixed inlay body (2) is fixed on the bottom surface and located at one end of the sliding groove, a first inner arc surface (2-1) is arranged on the fixed inlay body (2), a first V-shaped surface (2-2) is arranged on the first inner arc surface (2-1), and openings of the first inner arc surface (2-1) and the first V-shaped surface (2-2) face the center of the base (1);

the movable inlay (4) is in sliding connection with the sliding groove, the movable inlay (4) is arc-shaped, the movable inlay (4) comprises a second inner arc surface (4-1) and a second outer arc surface (4-3) concentric with the second inner arc surface (4-1), a second V-shaped surface (4-2) is arranged on the second outer arc surface (4-3), and the opening direction of the second V-shaped surface (4-2) is opposite to that of the first V-shaped surface (2-2).

2. A multi-gang combined vice as claimed in claim 1, wherein the runner comprises a middle rectangular through hole (1-2) and strip grooves (1-3) symmetrically disposed on the upper and lower sides of the rectangular through hole (1-2);

and a combined sliding block (3) is connected in the rectangular through hole (1-2) in a sliding manner.

3. A multi-gang combined vice as claimed in claim 2, further comprising a rotary table (5), wherein the rotary table (5) has a plurality of slots (5-1), and the number of slots (5-1) is the same as the number of runners;

the top end of the combined sliding block (3) is fixedly connected with the movable inlay (4), the bottom end of the combined sliding block is connected in the kidney-shaped groove (5-1) in a sliding mode, and the rotary disc (5) is rotated to drive the combined sliding block (3) to slide.

4. A multi-gang combined vice as claimed in claim 3, wherein the center of the rotary table is provided with an extended shaft (5-2), and the extended shaft (5-2) is provided with a worm gear (10); the worm wheel (10) is engaged with a driving worm (6).

5. A multi-gang combined vice as claimed in claim 4, which further comprises a bottom plate (9), wherein the bottom plate (9) is connected to the open end of the base (1), the bottom plate (9) is provided with a central through hole (9-1), and the protruding shaft (5-2) is rotatably connected in the central through hole (9-1).

6. A multi-gang combined vice as claimed in claim 4, wherein the driving worm (6) comprises a worm (6-1), an extension bar (6-2) and a driving part (6-3), the extension bar (6-2) is connected with the worm (6-1) at one end and is connected with the driving part (6-3) at the other end by passing through a circular hole (1-4) on the base (1) in a rotatable manner.

7. A multi-gang combined vice as claimed in claim 1, wherein the first V-shaped surface (2-2) on the stator inlay (2) and the second V-shaped surface (4-2) on the rotor inlay (4) have the same structural size.

8. A multi-gang combined vise as claimed in claim 1, wherein the number of the sliding grooves is six.

9. A multi-gang combined vice as claimed in claim 1, wherein the number of the sliding grooves is two and/or three.

10. A multi-gang combined vice as claimed in claim 1, wherein the two symmetrical U-shaped fixing interfaces (1-1) are fixed on the side of the base (1).