CN217291460U

CN217291460U - Fixed frock is used in machining

Info

Publication number: CN217291460U
Application number: CN202123239386.6U
Authority: CN
Inventors: 陈智勇; 旷海玉
Original assignee: Zhuzhou Kelida Industrial Co ltd
Current assignee: Zhuzhou Kelida Industrial Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-26
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a fixed tooling for machining, which comprises a fixed platform and two size adjusting plates, wherein both ends of the top of the fixed platform are fixedly provided with cylinders, both sides of the top of the fixed platform are fixedly connected with guide rails, both ends of the inner cavity of the guide rails are fixedly connected with sliders, four sliders are respectively and fixedly connected with both ends of the bottoms of the two size adjusting plates, the inside of each size adjusting plate is provided with an adjusting groove, the inner cavity of the adjusting groove is rotatably connected with a lead screw, both ends of the surface of the lead screw are in threaded connection with sleeves, one side of the adjusting groove far away from the cylinders is provided with a guide groove, both ends of the inner cavity of the guide groove are respectively and fixedly connected with one side of the two sleeves, one side of the two guide blocks close to the lead screw is fixedly connected with a special-shaped clamping mechanism, one side of the two guide blocks far away from the sleeves is fixedly connected with a special-shaped clamping mechanism, the purpose that the clamping size can be adjusted according to the size of the workpiece and the special-shaped workpiece can be clamped is achieved.

Description

Fixed frock is used in machining

Technical Field

The utility model relates to a fixed frock technical field specifically is a fixed frock is used in machining.

Background

The machining is related to various industries, and the fixing tool for machining is used for fixing a machined workpiece in the machining process, and the workpiece needs to be positioned and clamped before machining so as to facilitate the machining or detection of the subsequent mechanical workpiece.

The existing fixing tools also generate new requirements in the using process, one of which is as follows: the existing fixed tool is mostly used for clamping regular workpieces, but a tool capable of clamping special-shaped workpieces is lacked; the second step is as follows: the size of its centre gripping of current fixed frock is mostly fixed, can't adjust the size of centre gripping according to the size of work piece.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fixing tool for machining, which aims to solve the problems that the prior fixing tool proposed in the background art is mostly used for clamping regular workpieces, and a tool capable of clamping special-shaped workpieces is lacked; the size of its centre gripping of fixed frock of current is mostly fixed, can't carry out the problem adjusted according to the size of work piece to the size of centre gripping.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing tool for machining comprises a fixing platform and two size adjusting plates, wherein air cylinders are fixedly mounted at two ends of the top of the fixing platform, guide rails are fixedly connected to two sides of the top of the fixing platform, slide blocks are slidably connected to two ends of an inner cavity of each guide rail, the four slide blocks are respectively fixedly connected with two ends of the bottoms of the two size adjusting plates, an adjusting groove is formed in each size adjusting plate, an inner cavity of each adjusting groove is rotatably connected with a lead screw, sleeves are respectively and threadedly connected to two ends of the surface of the lead screw, a guide groove is formed in one side, away from the air cylinders, of each adjusting groove, guide blocks are slidably connected to two ends of the inner cavity of each guide groove, one side, close to the lead screw, of each guide block is respectively and fixedly connected with one side of each sleeve, and one side, away from each sleeve, of each guide block is fixedly connected with a special-shaped clamping mechanism, dysmorphism fixture includes first arc grip block, second arc grip block, third arc grip block and fourth arc grip block, the both ends at first arc grip block top are all rotated and are connected with second arc grip block, the both ends at second arc grip block top are all rotated and are connected with third arc grip block, the both ends at third arc grip block top are all rotated and are connected with fourth arc grip block.

Preferably, the connection part of the screw rod and the size adjusting plate is sleeved with a bearing, and the directions of the threads formed at the two ends of the screw rod are opposite.

Preferably, one end of the screw rod penetrates through the size adjusting plate and is fixedly connected with a motor capable of being locked.

Preferably, the diameter of the fourth arc-shaped clamping block is smaller than the radius of the third arc-shaped clamping block, the diameter of the third arc-shaped clamping block is smaller than the radius of the second arc-shaped clamping block, and the diameter of the second arc-shaped clamping block is smaller than the radius of the first arc-shaped clamping block.

Preferably, the rotating grooves are formed in one side, away from the air cylinder, of the first arc-shaped clamping block, one side, away from the air cylinder, of the second arc-shaped clamping block, one side, away from the air cylinder, of the third arc-shaped clamping block and one side, away from the air cylinder, of the fourth arc-shaped clamping block.

Preferably, fixed platform's avris fixed mounting has first shift knob and second shift knob, just cylinder and lockable motor are respectively through first shift knob and second shift knob and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

the work through the motor that can lock drives the rotation of lead screw, the rotation of lead screw drives two sleeves and is the motion of opposite direction, telescopic motion drives guide block and special-shaped fixture's motion, thereby adjust two adjacent special-shaped fixture's interval, the realization is adjusted the purpose of the size of centre gripping according to the size of work piece, size adjustment accomplishes the back, place the middle part on fixed platform top with the work piece, two cylinders of rethread promote the size regulating plate and do the motion that is close to each other along the guide rail, second arc grip block on the special-shaped fixture this moment, third arc grip block and fourth arc grip block rotate the adjustment according to the shape of work piece, with the shape that adapts to the work piece, carry out the centre gripping to the work piece, but realize centre gripping special-shaped workpiece's purpose.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a schematic structural view of the special-shaped clamping mechanism of the present invention;

FIG. 3 is a longitudinal cut view of the size adjustment plate of the present invention;

fig. 4 is a cross-sectional view of the size adjustment plate of the present invention.

In the figure: 1. a fixed platform; 2. a cylinder; 3. a guide rail; 4. a slider; 5. a size adjusting plate; 6. an adjustment groove; 7. a screw rod; 8. a sleeve; 9. a guide groove; 10. a guide block; 11. a special-shaped clamping mechanism; 12. a first arc-shaped clamping block; 13. a second arc-shaped clamping block; 14. a third arc-shaped clamping block; 15. a fourth arc-shaped clamping block; 16. the motor can be locked; 17. a bearing; 18. the groove is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a fixing tool for machining, which comprises a fixing platform 1 and two size adjusting plates 5, wherein both ends of the top of the fixing platform 1 are fixedly provided with cylinders 2, both sides of the top of the fixing platform 1 are fixedly connected with guide rails 3, both ends of the inner cavity of the guide rails 3 are slidably connected with sliders 4, four sliders 4 are respectively and fixedly connected with both ends of the bottoms of the two size adjusting plates 5, an adjusting groove 6 is arranged inside the size adjusting plates 5, the inner cavity of the adjusting groove 6 is rotatably connected with a screw rod 7, both ends of the surface of the screw rod 7 are respectively and threadedly connected with sleeves 8, one side of the adjusting groove 6 far away from the cylinder 2 is provided with a guide groove 9, both ends of the inner cavity of the guide groove 9 are respectively and slidably connected with guide blocks 10, one side of the two guide blocks 10 near the screw rod 7 is respectively and fixedly connected with one side of the two sleeves 8, one side of the two guide blocks 10 far away from the sleeves 8 is respectively and fixedly connected with a special-shaped clamping mechanism 11, dysmorphism fixture 11 includes first arc grip block 12, second arc grip block 13, third arc grip block 14 and fourth arc grip block 15, and the both ends at first arc grip block 12 top all rotate and are connected with second arc grip block 13, and the both ends at second arc grip block 13 top all rotate and are connected with third arc grip block 14, and the both ends at third arc grip block 14 top all rotate and are connected with fourth arc grip block 15.

When the clamping device is used, the screw rod 7 is driven to rotate through the work of the lockable motor 16, the two sleeves 8 are driven to move in opposite directions by the rotation of the screw rod 7, the guide block 10 and the special-shaped clamping mechanisms 11 are driven to move by the movement of the sleeves 8, the distance between every two adjacent special-shaped clamping mechanisms 11 is adjusted, the purpose of adjusting the size of a clamped workpiece according to the size of the workpiece is achieved, after the size is adjusted, the workpiece is placed in the middle of the top end of the fixed platform 1, the size adjusting plate 5 is pushed to move close to each other along the guide rail 3 through the two cylinders 2, and at the moment, the second arc-shaped clamping block 13, the third arc-shaped clamping block 14 and the fourth arc-shaped clamping block 15 on the special-shaped clamping mechanisms 11 are adjusted in a rotating mode according to the shape of the workpiece, so that the shape of the workpiece is adapted, the workpiece is clamped, and the purpose of clamping the special-shaped workpiece is achieved.

The bearing 17 is sleeved at the joint of the screw rod 7 and the size adjusting plate 5, the directions of the threads formed at the two ends of the screw rod 7 are opposite, and one end of the screw rod 7 penetrates through the size adjusting plate 5 and is fixedly connected with a lockable motor 16.

During the use, the rotation of lead screw 7 is driven in the work of motor 16 can lock, the rotation of lead screw 7 drives two sleeves 8 and is the motion of opposite direction, the motion of sleeve 8 drives guide block 10 and slides in the guide way 9, guide for the motion of sleeve 8, stability when keeping sleeve 8 motion, and the motion of guide block 10 drives the motion of special-shaped fixture 11, thereby adjust the interval of two adjacent special-shaped fixture 11, the realization is adjusted the purpose of the size of centre gripping according to the size of work piece.

The diameter of fourth arc grip block 15 is less than the radius of third arc grip block 14, the diameter of third arc grip block 14 is less than the radius of second arc grip block 13, the diameter of second arc grip block 13 is less than the radius of first arc grip block 12, one side of cylinder 2 is kept away from to second arc grip block 13, one side of cylinder 2 is kept away from to third arc grip block 14 and one side that cylinder 2 was kept away from to fourth arc grip block 15 have all been seted up and have been rotated groove 18.

During the use, place the work piece in the middle part on 1 top of fixed platform, then the work of control cylinder 2, two cylinders 2 promote size regulating plate 5 and do the motion that is close to each other along guide rail 3, meet with the both sides of treating centre gripping work piece until the special-shaped fixture 11 of installation on two size regulating plates 5, second arc grip block 13 on the special-shaped fixture 11 this moment, third arc grip block 14 and fourth arc grip block 15 rotate the adjustment according to the shape of work piece, with the shape of adaptation work piece, carry out the centre gripping to the work piece, but realize centre gripping special-shaped work piece's purpose.

The avris fixed mounting of fixed platform 1 has first shift knob and second shift knob, and cylinder 2 and lockable motor 16 are respectively through first shift knob and second shift knob and external power supply electric connection.

When the device is used specifically, the work of the lockable motor 16 is controlled, the work of the lockable motor 16 drives the screw rod 7 to rotate, the rotation of the screw rod 7 drives the two sleeves 8 to move in opposite directions, the movement of the sleeves 8 drives the guide block 10 to slide in the guide groove 9 to guide the movement of the sleeves 8, the stability of the sleeves 8 in movement is maintained, the movement of the guide block 10 drives the special-shaped clamping mechanisms 11 to move, so that the distance between the two adjacent special-shaped clamping mechanisms 11 is adjusted, the purpose of adjusting the clamped size according to the size of a workpiece is realized, after the size adjustment is finished, the workpiece is placed in the middle of the top end of the fixed platform 1, then the work of the air cylinders 2 is controlled, the two air cylinders 2 push the size adjusting plates 5 to move close to each other along the guide rail 3 until the special-shaped clamping mechanisms 11 mounted on the two size adjusting plates 5 meet the two sides of the workpiece to be clamped, at the moment, the second arc-shaped clamping block 13, the third arc-shaped clamping block 14 and the fourth arc-shaped clamping block 15 on the special-shaped clamping mechanism 11 are adjusted in a rotating mode according to the shape of the workpiece so as to adapt to the shape of the workpiece, the workpiece is clamped, and the purpose of clamping the special-shaped workpiece is achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a machining is with fixed frock, includes fixed platform (1) and two size adjusting plate (5), its characterized in that: the cylinder (2) is fixedly mounted at two ends of the top of the fixed platform (1), guide rails (3) are fixedly connected at two sides of the top of the fixed platform (1), sliders (4) are slidably connected at two ends of an inner cavity of each guide rail (3), four sliders (4) are fixedly connected with two ends of the bottoms of two size adjusting plates (5) respectively, an adjusting groove (6) is formed in each size adjusting plate (5), a lead screw (7) is rotatably connected to an inner cavity of each adjusting groove (6), sleeves (8) are threadedly connected at two ends of the surface of each lead screw (7), a guide groove (9) is formed in one side, away from the cylinder (2), of each adjusting groove (6), guide blocks (10) are slidably connected at two ends of the inner cavity of each guide groove (9), one side, close to the lead screw (7), of the two guide blocks (10) is fixedly connected with one side of the two sleeves (8) respectively, two equal fixedly connected with dysmorphism fixture (11) in one side of sleeve (8) is kept away from in guide block (10), dysmorphism fixture (11) are including first arc grip block (12), second arc grip block (13), third arc grip block (14) and fourth arc grip block (15), the both ends at first arc grip block (12) top are all rotated and are connected with second arc grip block (13), the both ends at second arc grip block (13) top are all rotated and are connected with third arc grip block (14), the both ends at third arc grip block (14) top are all rotated and are connected with fourth arc grip block (15).

2. The fixed tooling for machining according to claim 1, characterized in that: the connecting part of the screw rod (7) and the size adjusting plate (5) is sleeved with a bearing (17), and the directions of the threads formed at the two ends of the screw rod (7) are opposite.

3. The fixed tooling for machining according to claim 1, characterized in that: one end of the screw rod (7) penetrates through the size adjusting plate (5) and is fixedly connected with a lockable motor (16).

4. The fixed tooling for machining according to claim 1, characterized in that: the diameter of the fourth arc-shaped clamping block (15) is smaller than the radius of the third arc-shaped clamping block (14), the diameter of the third arc-shaped clamping block (14) is smaller than the radius of the second arc-shaped clamping block (13), and the diameter of the second arc-shaped clamping block (13) is smaller than the radius of the first arc-shaped clamping block (12).

5. The fixed tooling for machining according to claim 1, characterized in that: one side that cylinder (2) were kept away from in first arc grip block (12), one side that cylinder (2) were kept away from in second arc grip block (13), one side that cylinder (2) were kept away from in third arc grip block (14) and one side that cylinder (2) were kept away from in fourth arc grip block (15) have all seted up rotation groove (18).

6. The machining fixing tool according to claim 1, characterized in that: the avris fixed mounting of fixed platform (1) has first shift knob and second shift knob, just cylinder (2) and lockable motor (16) are respectively through first shift knob and second shift knob and external power supply electric connection.