CN211708684U

CN211708684U - A frock clamp for shaft lever class work piece

Info

Publication number: CN211708684U
Application number: CN201922009790.0U
Authority: CN
Inventors: 章柯波
Original assignee: Zhejiang Chuanyi Machinery Co ltd
Current assignee: Zhejiang Chuanyi Machinery Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-10-20
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a frock clamp for shaft pole class work piece, including last arch body and lower arch body, the one end of going up the arch body is articulated with lower arch body, the other end of going up the arch body can be dismantled with lower arch body and be connected, be equipped with two sleeve one on the lower arch body, be equipped with sleeve two on going up the arch body, the one end of sleeve one has set firmly the nut, the nut interpolation is equipped with the bolt, bolt and nut screw-thread fit, the one end that nut was kept away from to sleeve one is inserted and is equipped with the connector, a connector and sleeve sliding fit, the one end of bolt is inserted and is established in the connector, and with connector normal running fit, the one end that the bolt was kept away from to the connector is equipped with the bearing, sleeve two is the same with sleeve one's structure, the utility model discloses rational in infrastructure, have the clamping point atress even.

Description

A frock clamp for shaft lever class work piece

Technical Field

The utility model belongs to the technical field of a gear machining equipment technique and specifically relates to a frock clamp for axostylus axostyle class work piece.

Background

In the process of processing a workpiece, the workpiece needs to be clamped and fixed to ensure the stability of the workpiece in the processing process and improve the processing precision of the workpiece, and generally, a plurality of fixing chucks or fixing clamps are matched in the process of processing the workpiece.

In the processing process of the shaft workpiece, because the forming surface of the shaft workpiece is an arc-shaped surface, the conventional fixing chuck or fixing clamp cannot stably clamp the shaft workpiece, so that the problems that the workpiece rotates and the like due to the fact that clamping is not fastened in the processing process are caused, and the processing precision of the workpiece is seriously influenced. In view of the above problems, a solution is proposed as follows.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frock clamp for axostylus axostyle class work piece has that the clamping point atress is even, the work piece can not be by the advantage of clamping device wearing and tearing.

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

a tooling fixture for shaft rod workpieces comprises an upper arch body and a lower arch body, wherein the upper arch body is positioned above the lower arch body, one end of the upper arch body is hinged with the lower arch body, the other end of the upper arch body is detachably connected with the lower arch body, the lower arch body is provided with two first sleeves, the two first sleeves are inserted and arranged on two sides of the lower arch body and fixedly connected with the lower arch body, the upper arch body is provided with a second sleeve, the second sleeve is inserted and arranged on the upper arch body and fixedly connected with the upper arch body, one end of the first sleeve is fixedly provided with a nut, a bolt is inserted and arranged in the nut, the bolt is in threaded fit with the nut, one end of the first sleeve, far away from the nut, is inserted and arranged with a connector, the connector is in sliding fit with the first sleeve, one end of the bolt is inserted and arranged in rotary fit with the connector, one end of the connector, far away from the bolt, is provided with a, the structure of the second sleeve is the same as that of the first sleeve.

Adopt above-mentioned technical scheme, when needing the clamping work piece, lower archwall is fixed motionless, the user is through rotating upper archwall, can open upper archwall, the work piece is placed on lower archwall, later, rotate upper archwall again, make upper archwall can press the upper end at the work piece, it is fixed with the one end that articulated department was kept away from to upper archwall and lower archwall, thereby realize fixing the work piece, bearing on two lower sleeves and the bearing on an upper sleeve support respectively in the three position of the same periphery of work piece, make the fixed of work piece more stable, the bolt is rotated, can realize the regulation to the bearing position, make three bearing can be better support the work piece tightly, thereby realize the fixed to the work piece.

Preferably, a rotary groove is formed in one end of the connector, a circular rotary piece is fixedly arranged at one end of the bolt, and the rotary piece is located in the rotary groove and is in rotary fit with the rotary groove.

Adopt above-mentioned technical scheme, the screw bolt is twisted, the rotor of rotor groove also follows the bolt and rotates together, when forward rotation bolt, the bolt can shift out in two sleeves, the rotor can remove along with the removal of bolt, thereby make the one end of rotor pulling connector, make the connector to two inside removals of sleeve, thereby make the bearing fixed with this connector also to the one end that is close to two sleeves remove, when reverse rotation bolt, the bolt can shift into in two sleeves, the rotor can remove along with the removal of bolt, thereby make the rotor promote the one end of moving the connector, make the connector release from two inside sleeves, thereby make the bearing fixed with this connector also to the one end removal of keeping away from two sleeves, the regulation to the bearing position has been realized, make supporting that the bearing can be tight on the workpiece surface.

Preferably, one end, away from the hinged part, of the upper arch body is provided with an upper fixing plate, a first through hole is formed in the upper fixing plate, one end, away from the hinged part, of the lower arch body is provided with a lower fixing plate, a second through hole is formed in the lower fixing plate, a screw is arranged in the second through hole, a nut is arranged on the screw, one end of the screw penetrates through the first through hole and the second through hole, and the upper fixing plate and the lower fixing plate are fixed through the screw and the nut.

By adopting the technical scheme, the upper fixing plate and the lower fixing plate are overlapped by rotating the upper arch body, the screw is inserted into the first through hole of the upper fixing plate and the second through hole of the lower fixing plate, and the nut is screwed into one end of the screw, so that the upper arch body and the lower arch body are fixed on one side far away from the hinged part.

Preferably, the inner wall of the sleeve is provided with a stop protrusion, the inner diameter of the sleeve is larger than the diameter of the connector, and the inner diameter of the stop protrusion is smaller than the diameter of the connector.

By adopting the technical scheme, one end of the connector driven by the bolt is moved inside the sleeve, when the connector reaches a certain distance, the stop protrusion can prevent the connector from entering the sleeve more deeply, and the bearing is prevented from entering the sleeve, so that equipment is damaged.

Preferably, a spring is arranged at one end of the stop protrusion and the connecting head.

Adopt above-mentioned technical scheme, the spring can be to the connector with end the effect that the position protrusion played the buffering, prevent that equipment from damaging.

Preferably, a cylindrical oil filling nozzle is arranged above the sleeve.

By adopting the technical scheme, lubricating oil can be added into the sleeve through the oil filling nozzle, so that the bolt in the sleeve is lubricated, and the bolt is more labor-saving in rotating.

Preferably, two connecting blocks are symmetrically and fixedly arranged at one end of the connector, the bearing is positioned between the two connecting blocks, connecting rods are fixedly arranged on the two connecting blocks, and the connecting rods penetrate through the inner edge of the bearing and are fixedly connected with the inner edge of the bearing.

By adopting the technical scheme, the bearing is fixed on the two connecting blocks through the connecting rod, and when a workpiece is processed, the outer edge of the bearing can rotate around the connecting rod, so that the workpiece cannot be abraded to ensure the precision of the workpiece.

Drawings

FIG. 1 is a schematic structural diagram of a closed state of the embodiment;

FIG. 2 is a sectional view of the embodiment;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2;

FIG. 4 is a schematic structural diagram of an open state of the embodiment.

Reference numerals: 1. an upper arch body; 2. a lower arch body; 3. a first sleeve; 4. a second sleeve; 5. a bolt; 6. a nut; 7. a connector; 8. a bearing; 9. rotating the groove; 10. rotating the sheet; 11. an upper fixing plate; 12. a lower fixing plate; 13. a first through hole; 14. a second through hole; 15. a screw; 16. a nut; 17. the stop position is convex; 18. a spring; 19. a fuel filler nozzle; 20. connecting blocks; 21. a connecting rod.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 4, a tooling fixture for shaft workpieces comprises an upper arch body 1 and a lower arch body 2, wherein the upper arch body 1 is positioned above the lower arch body 2, one end of the upper arch body 1 is hinged to the lower arch body 2, when workpieces need to be clamped, the lower arch body 2 is fixed to a machine tool, one end of the upper arch body 1 is hinged to the lower arch body 2, and a user can open and close the upper arch body 1 by rotating the upper arch body 1. The method comprises the steps of separating one side of an upper arch body 1 from one side of a lower arch body 2, then placing a workpiece to be machined on the lower arch body 2, rotating the upper arch body 1 to enable one side of the upper arch body 1 to be attached to one side of the lower arch body 2, enabling the upper arch body 1 to be pressed on the upper end of the workpiece, and fixing the workpiece.

Go up arch body 1 keep away from articulated one end and have an upper fixed plate 11, arch body 2 keeps away from articulated one end and has a bottom plate 12 down, the user rotates arch body 1, make upper fixed plate 11 paste with bottom plate 12 mutually, through-hole 13 has been seted up on upper fixed plate 11, through-hole two 14 has been seted up to bottom plate 12, the user passes through-hole one 13 and through-hole two 14 with screw 15, twist screw 15 with nut 16 again, the realization is fixed to upper fixed plate 11 and bottom plate 12, thereby realize arch body 1 and bottom plate 2's fixed.

The two sides of the lower arch body 2 are symmetrically provided with a first sleeve 3, a second sleeve 4 is inserted on the upper arch body 1, one end of the first sleeve 3 is provided with a connector 7, one section of the connector 7 is provided with a bearing 8, and the second sleeve 4 and the first sleeve 3 have the same structure. When the upper arch body 1 and the lower arch body 2 are fixed, the three bearings 8 are abutted against three positions on the same circumferential surface of the workpiece to fix the workpiece.

One end of the connector 7 is provided with two symmetrical connecting blocks 20, and the bearing 8 is positioned between the two connecting blocks 20. The two connecting blocks 20 are provided with connecting rods 21, and the connecting rods 21 penetrate through the inner edge of the bearing 8 and are fixedly connected with the inner edge of the bearing 8. The outer edge of the bearing 8 will rotate around the connecting rod 21 so that the workpiece will not be worn by the clamping device and the accuracy of the workpiece will be maintained.

The other end of the sleeve I3 is fixed with a nut 6, a bolt 5 is inserted into the nut 6, one end of the bolt 5 is provided with a round rotating piece 10, one end of the connector 7 is provided with a rotating groove 9, and the rotating piece 10 is located in the rotating groove 9 and is in running fit with the rotating groove 9. When the bolt 5 is rotated in the forward direction, the bolt 5 drives the rotating piece 10 to move out of the sleeve I3, so that the rotating piece 10 drives one end of the connector 7 to move towards the inner part of the sleeve I3; when the bolt 5 is rotated reversely, the bolt 5 drives the rotating piece 10 to move towards the first sleeve 3, so that the rotating piece 10 pushes one end of the connector 7 to move out of the first sleeve 3, and the position of the connector 7 is adjusted.

The connector 7 can drive the bearing 8 to move, so that the bearing 8 can move towards one side close to the sleeve I3 or move towards one side far away from the sleeve I3, and the three bearings 8 can tightly abut against the surface of a workpiece to fix the workpiece.

The inner wall of the sleeve 3 is provided with a stopping protrusion 17, when the connector 7 enters the sleeve 3 for a certain distance, the stopping protrusion 17 can prevent the connector 7 from entering the sleeve 3 more deeply due to the fact that the inner diameter of the stopping protrusion 17 is smaller than the diameter of the connector 7, and the bearing 8 is prevented from rotating to clamp the sleeve 3 to be damaged.

A spring 18 is arranged between the stop protrusion 17 and the connecting head 7, and when a workpiece is clamped, the spring 18 can play a role in buffering the connecting head 7 and the stop protrusion 17, so that the connecting head 7 and the stop protrusion 17 are prevented from being damaged due to over-screwing of the bolt 5.

An oil filling nozzle 19 is arranged on the outer wall of the sleeve I3, when the bolt 5 works and rotates for a long time, the surface becomes rough and rusty, the bolt 5 is difficult to screw, and lubricating oil can be added into the sleeve I3 through the oil filling nozzle 19, so that the bolt 5 can be conveniently screwed.

Claims

1. The utility model provides a frock clamp for shaft pole class work piece, includes last hunch body (1) and lower hunch body (2), its characterized in that, go up hunch body (1) and be located hunch body (2) top down, just the one end of going up hunch body (1) is articulated with lower hunch body (2), the other end of going up hunch body (1) can be dismantled with lower hunch body (2) and be connected, be equipped with two sleeve (3) down on hunch body (2), two sleeve (3) are inserted and are established the both sides of hunch body (2) down, and with lower hunch body (2) fixed connection, be equipped with sleeve two (4) on last hunch body (1), sleeve two (4) are inserted and are established on last hunch body (1), and with last hunch body (1) fixed connection, the one end of sleeve (3) has set firmly nut (6), nut (6) interpolation is equipped with bolt (5), bolt (5) and nut (6) screw-thread fit, the one end that nut (6) was kept away from in sleeve (3) is inserted and is equipped with connector (7), connector (7) and sleeve (3) sliding fit, the one end of bolt (5) is inserted and is established in connector (7), and with connector (7) normal running fit, the one end that bolt (5) were kept away from in connector (7) is equipped with bearing (8), the structure of sleeve two (4) and sleeve (3) is the same.

2. A tool clamp for shaft and rod workpieces according to claim 1, wherein a rotary groove (9) is formed in one end of the connecting head (7), a circular rotary piece (10) is fixedly arranged at one end of the bolt (5), and the rotary piece (10) is located in the rotary groove (9) and is in rotary fit with the rotary groove (9).

3. The tooling clamp for the shaft rod workpieces as recited in claim 2, wherein an upper fixing plate (11) is arranged at one end, away from the hinge, of the upper arch body (1), a first through hole (13) is formed in the upper fixing plate (11), a lower fixing plate (12) is arranged at one end, away from the hinge, of the lower arch body (2), a second through hole (14) is formed in the lower fixing plate (12), a screw (15) is arranged in the second through hole (14), a nut (16) is arranged on the screw (15), one end of the screw (15) penetrates through the first through hole (13) and the second through hole (14), and the upper fixing plate (11) and the lower fixing plate (12) are fixed through the screw (15) and the nut (16).

4. A tool clamp for shaft rod type workpieces according to claim 3, wherein a stopping protrusion (17) is arranged on the inner wall of the first sleeve (3), the inner diameter of the first sleeve (3) is larger than the diameter of the connecting head (7), and the inner diameter of the stopping protrusion (17) is smaller than the diameter of the connecting head (7).

5. A tool clamp for shaft rod workpieces according to claim 4, wherein a spring (18) is arranged at one end of the stop protrusion (17) and the connecting head (7).

6. A tool clamp for shaft workpieces as claimed in claim 5, characterized in that the first sleeve (3) is provided with a cylindrical oil filling nozzle (19) on the outer wall.

7. The tooling clamp for the shaft rod workpieces according to claim 6, wherein two connecting blocks (20) are symmetrically and fixedly arranged at one end of the connecting head (7), the bearing (8) is positioned between the two connecting blocks (20), a connecting rod (21) is fixedly arranged on the two connecting blocks (20), and the connecting rod (21) penetrates through the inner edge of the bearing (8) and is fixedly connected with the inner edge of the bearing (8).