CN212330755U

CN212330755U - Small-size clamping device is used to axle type work piece

Info

Publication number: CN212330755U
Application number: CN201921013574.7U
Authority: CN
Inventors: 李超明; 王文俊; 顾立才
Original assignee: Hefei Nuochen Intelligent Equipment Co ltd
Current assignee: Hefei Nuochen Intelligent Equipment Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2021-01-12
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses an axle type work piece is with small-size clamping device, including base, fixed block, movable block and actuating mechanism, its characterized in that, the fixed block rigid coupling is on the base upper surface, and movable block sliding connection sets up and leaves the interval with the fixed block side by side on the base, and actuating mechanism sets up on the base and is used for driving the movable block to remove to the fixed block.

Description

Small-size clamping device is used to axle type work piece

Technical Field

The utility model belongs to the technical field of axle type processing, particularly, be a small-size clamping device is used to axle type work piece.

Background

When cylindrical workpieces such as shafts, shaft sleeves and the like are machined in filing, drilling, grooving, welding and the like in some occasions (such as metalworking practice in college mechanical academy, small-sized factories, household occasions and the like), students or operators are required to hold the workpieces for machining, and not only is labor wasted, but also errors are easy to occur in machining.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a solve the axle type work piece that is not enough among the prior art and use small-size clamping device. In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

the utility model provides an axle type is small-size clamping device for work piece, includes base, fixed block, movable block and actuating mechanism, its characterized in that, the fixed block rigid coupling is on the base upper surface, movable block sliding connection is on the base, and the movable block sets up and leaves the interval with the fixed block side by side, actuating mechanism sets up on the base and is used for driving the movable block to remove to the fixed block.

The movable block is movably sleeved on the guide rods, and a spring is sleeved on the part, between the fixed block and the movable block, of the guide rods;

the driving mechanism comprises a rotating table, the rotating table is rotatably arranged on the base on the right side of the movable block, an eccentric wheel is fixedly sleeved at the upper end of the rotating table, the bottom surface of the eccentric wheel is not higher than the upper surface of the movable block, the two guide rods are respectively positioned on the upper side and the lower side of the eccentric wheel, and a rotating handle is arranged on the circumferential surface of the eccentric wheel.

Further inject, the one end that the fixed block was kept away from to the guide bar is equipped with the screw thread, threaded connection has stop nut on the screw thread.

Further limit, the guide rod on the rear side is arranged at the position, close to the base, of the fixed block, and the guide rod on the front side is arranged at the position, close to the upper side face of the fixed block, of the fixed block.

Further inject, revolving stage bottom is rotated and is connected on the fixed station, the fixed station passes through the bolt rigid coupling on the base.

Further, a handle is fixedly connected to one end, far away from the eccentric wheel, of the rotating handle.

Further inject, still include positioning mechanism, positioning mechanism includes hinge assembly, arc bullet spare and semicircle pole, rotate and articulate the one end that is close to the eccentric wheel on the eccentric wheel is global through handing-over subassembly, rotate and to rotate on the axis of eccentric wheel, arc bullet spare gives all the time and rotates an upward pivoted elasticity, the downside of semicircle pole both ends passes through the support rigid coupling on the base to the centre of a circle of semicircle pole is located the axis of revolving stage, and the equidistant rigid coupling in side has C shape spare under the anterior part of semicircle pole, C shape spare downside is equipped with the C-shaped groove, the size and the rotation in C-shaped groove are the phase-match.

Further inject, the hinge assembly includes pivot and two stationary blades, the stationary blade rigid coupling is on the eccentric wheel is global, the pivot both ends are rotated and are connected between two stationary blades, wherein rotate one end and pivot rigid coupling that are close to the eccentric wheel.

Further inject, arc bullet spare includes arc tube, arc pole and arc spring, arc tube one end rigid coupling is at the eccentric wheel downside, and the centre of a circle of arc tube is on the axis of pivot, arc pole one end sliding connection is in the arc tube, the other end with rotate the rigid coupling, the arc spring sets up in the arc tube of arc tube rigid coupling between eccentric wheel one end and arc pole.

Has the advantages that:

1. the movable block is driven by the rotation of the eccentric wheel and is matched with the fixed block to clamp the workpiece positioned between the two V-shaped grooves;

2. through under the effect of arc bullet spare, will rotate and drive the C-arrangement groove to a C-shaped spare in, and then guarantee to press from both sides even unclamp after the work piece and rotate handle or handle, the work piece can not kept away from under the effect of spring yet to the movable block.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a structural diagram of the present invention with the positioning mechanism removed;

fig. 2 is a top view of the present invention;

FIG. 3 is a drawing showing the connection structure of the rotating handle and the eccentric wheel of the present invention;

FIG. 4 is a view of the structure of the C-shaped member of the present invention;

the main element symbols are as follows:

the device comprises a base 1, a fixed block 2, a movable block 3, a rotating table 4, a V-shaped groove 5, a guide rod 6, a spring 7, an eccentric wheel 8, a rotating handle 9, a handle 10, a limiting nut 11, a fixed table 12, a fixed sheet 13, a rotating shaft 14, an arc-shaped pipe 15, an arc-shaped rod 16, an arc-shaped spring 17, a semi-circular rod 18, a support 19, a C-shaped part 20, a C-shaped groove 21 and a workpiece 22.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, a small-size clamping device for shaft workpieces comprises a base 1, a fixed block 2, a movable block 3 and a driving mechanism, wherein the fixed block 2 is fixedly connected to the upper surface of the base 1, the movable block 3 is slidably connected to the base 1, the movable block 3 and the fixed block 2 are arranged in parallel with a gap left therebetween, and the driving mechanism is arranged on the base 1 and used for driving the movable block 3 to move towards the fixed block 2.

Specifically, a fixed block 2 is fixedly connected to the left end of the upper side face of a base 1, a movable block 3 is arranged on the right side of the fixed block 2, V-shaped grooves 5 are formed in opposite side faces of the movable block 3 and the fixed block 2, two guide rods 6 located on two sides of the V-shaped grooves 5 are fixedly connected to the fixed block 2, the movable block 3 is movably sleeved on the guide rods 6, and springs 7 are sleeved on portions, located between the fixed block 2 and the movable block 3, of the guide rods 6; the driving mechanism comprises a rotating platform 4, the rotating platform 4 is rotatably arranged on the base 1 on the right side of the movable block 31, an eccentric wheel 8 is fixedly sleeved at the upper end of the rotating platform 4, the bottom surface of the eccentric wheel 8 is not higher than the upper surface of the movable block 3, two guide rods 6 are respectively positioned at the upper side and the lower side of the eccentric wheel 8, and a rotating handle 9 is arranged on the circumferential surface of the eccentric wheel 8.

Specifically, the end of the guide rod 6, which is far away from the fixed block 2, is provided with a thread, and the thread is connected with a limit nut 11. Ensuring that the movable block 3 cannot be disengaged from the guide rod 6 under the action of the spring 7.

Specifically, the guide bar 6 located on the rear side is disposed at a position of the fixed block 2 close to the base 1, and the guide bar 6 located on the front side is disposed at a position of the fixed block 2 close to the upper side thereof. The guide rod 6 is arranged one above the other, so that the guide rod 6 is not touched when the eccentric wheel 8 rotates, and meanwhile, the stability of the movable block 3 sliding along the guide rod 6 is guaranteed.

Specifically, the bottom end of the rotating platform 4 is rotatably connected to the fixed platform 12, and the fixed platform 12 is fixedly connected to the base 1 through bolts.

Specifically, a handle 10 is fixedly connected to one end of the rotating handle 9 far away from the eccentric wheel 8. Facilitating the rotation of the eccentric 8.

It is concrete, still include positioning mechanism, positioning mechanism includes articulated subassembly, arc bullet spare and semicircle pole 18, it articulates on eccentric wheel 8 is global to rotate 9 one end that is close to eccentric wheel 8 through handing-over subassembly, it can rotate on eccentric wheel 8's axis to rotate 9, arc bullet spare gives all the time and rotates 9 one upward pivoted elasticity, 18 both ends of semicircle pole downside passes through support 19 rigid coupling on base 1, and the centre of a circle of semicircle pole 18 is located the axis of revolving

stage

4, 18 anterior part lower flank equidistant rigid couplings of semicircle pole have C-

shaped spare

20, 20 downside of C-shaped spare are equipped with C-shaped groove 21, the size and the rotation of C-shaped groove 21 are 9 phase-matchs.

Specifically, the hinge assembly comprises a rotating shaft 14 and two fixing plates 13, the fixing plates 13 are fixedly connected to the circumferential surface of the eccentric wheel 8, two ends of the rotating shaft 14 are rotatably connected between the two fixing plates 13, and one end of the rotating handle 9 close to the eccentric wheel 8 is fixedly connected with the rotating shaft 14.

Specifically, the arc-shaped elastic piece comprises an arc-shaped pipe 15, an arc-shaped rod 16 and an arc-shaped spring 17, one end of the arc-shaped pipe 15 is fixedly connected to the lower side surface of the eccentric wheel 8, the circle center of the arc-shaped pipe 15 is located on the central axis of the rotating shaft 14, one end of the arc-shaped rod 16 is slidably connected into the arc-shaped pipe 15, the other end of the arc-shaped rod 16 is fixedly connected with the rotating handle 9, and the arc-shaped spring 17 is arranged in the arc-shaped pipe 15 fixedly connected between one end.

The working principle is as follows: the workpiece 22 is placed between the two V-shaped grooves 5, the handle 10 is grasped, the rotating handle 9 is rotated downwards, the rotating handle 9 is kept in a downward inclined state to drive the eccentric wheel 8 to rotate, the movable block 3 is driven by the rotation of the eccentric wheel 8, the movable block 3 is matched with the fixed block 2 to clamp the workpiece 22 positioned between the two V-shaped grooves 5, then the handle 10 is loosened, the rotating handle 9 is rotated upwards under the action of the arc-shaped spring 17 until the workpiece enters the C-shaped groove 21 of the square C-shaped part 20, and then the clamped and fixed workpiece 22 is correspondingly processed.

It is right above the utility model provides an axle type small-size clamping device for work piece has carried out detailed introduction. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides an axle type is small-size clamping device for work piece, includes base, fixed block, movable block and actuating mechanism, its characterized in that, the fixed block rigid coupling is on the base upper surface, movable block sliding connection is on the base, and the movable block sets up and leaves the interval with the fixed block side by side, actuating mechanism sets up on the base and is used for driving the movable block to remove to the fixed block.

2. The small clamping device for the shaft workpieces as claimed in claim 1, wherein the fixed block is fixedly connected to the left end of the upper side of the base, the movable block is arranged on the right side of the fixed block, a V-shaped groove is formed in one side of the movable block opposite to the fixed block, the fixed block is fixedly connected with two guide rods positioned on two sides of the V-shaped groove, the movable block is movably sleeved on the guide rods, and springs are sleeved on the guide rods at parts, positioned between the fixed block and the movable block, of the guide rods;

3. The small-sized clamping device for the shaft workpieces as claimed in claim 2, wherein one end of the guide rod, which is far away from the fixed block, is provided with a thread, and a limit nut is connected to the thread in a threaded manner.

4. The small-sized clamping device for the shaft workpiece as claimed in claim 2, wherein the guide rod at the rear side is arranged at a position of the fixed block close to the base, and the guide rod at the front side is arranged at a position of the fixed block close to the upper side surface thereof.

5. The small-sized clamping device for shaft type workpieces as claimed in claim 2, wherein the bottom end of the rotating platform is rotatably connected to a fixed platform, and the fixed platform is fixedly connected to the base through bolts.

6. The small-sized clamping device for the shaft type workpiece as claimed in claim 2, wherein a handle is fixedly connected to one end of the rotating handle far away from the eccentric wheel.

7. The small-sized clamping device for the shaft type workpiece according to claim 2, further comprising a positioning mechanism, wherein the positioning mechanism comprises a hinge assembly, an arc-shaped elastic piece and a semi-circular rod, one end of the rotation handle close to the eccentric wheel is hinged to the circumferential surface of the eccentric wheel through a cross-connecting assembly, the rotation handle can rotate on the axis of the eccentric wheel, the arc-shaped elastic piece always provides an upward rotating elastic force for the rotation handle, the lower sides of two ends of the semi-circular rod are fixedly connected to the base through a support, the center of the semi-circular rod is located on the central axis of the rotating table, C-shaped pieces are fixedly connected to the lower side of the front part of the semi-circular rod at equal intervals, a C-shaped groove is formed in the lower side of each.

8. The small-sized clamping device for the shaft type workpiece as claimed in claim 7, wherein the hinge assembly comprises a rotating shaft and two fixing pieces, the fixing pieces are fixedly connected to the circumferential surface of the eccentric wheel, two ends of the rotating shaft are rotatably connected between the two fixing pieces, and one end of the rotating shaft, which is close to the eccentric wheel, is fixedly connected with the rotating shaft.

9. The small clamping device for the shaft workpieces as claimed in claim 8, wherein the arc spring member comprises an arc tube, an arc rod and an arc spring, one end of the arc tube is fixedly connected to the lower side surface of the eccentric wheel, the center of the arc tube is located on the central axis of the rotating shaft, one end of the arc rod is slidably connected to the arc tube, the other end of the arc rod is fixedly connected to the rotating handle, and the arc spring is arranged in the arc tube fixedly connected between one end of the eccentric wheel and the arc rod.