CN112677077A

CN112677077A - Part clamping and fixing device based on mechanical manufacturing

Info

Publication number: CN112677077A
Application number: CN202011493197.9A
Authority: CN
Inventors: 张秀亚
Original assignee: Ningbo Jinri Machine Tool Co ltd
Current assignee: Ningbo Jinri Machine Tool Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-04-20

Abstract

The invention relates to the technical field of machine manufacturing, and discloses a part clamping and fixing device based on machine manufacturing. This spare part clamping fixing device based on machine-building, through after electric plug and electric socket butt, electrorheological fluids circular telegram becomes solid state by the suspension state, then guide arm and installation piece rigidity, the installation piece carries on spacingly through the sawtooth to the push rod, then push rod and holder are unmovable, prevent to add man-hour because vibrations make holder and push rod not hard up, thereby centre gripping spare part more firmly, and because the holder is no less than five, it is the annular setting to place the platform as the center, then can follow the not equidirectional centre gripping of spare part and fix it, and the motion of each holder does not influence each other, consequently, can carry out the centre gripping fixedly to the spare part of irregular appearance.

Description

Part clamping and fixing device based on mechanical manufacturing

Technical Field

The invention relates to the technical field of mechanical manufacturing, in particular to a clamping and fixing device for parts based on mechanical manufacturing.

Background

The mechanical manufacturing refers to the industry of various power, chemical, transportation, textile and other machines and the production of machine tools, instruments and other mechanical equipment, and mechanical products produced by the mechanical manufacturing include parts, sub-parts, parts and the like. The mechanical parts need to be ground, cut, punched, polished and the like during production, and need to be clamped and fixed before machining, the clamping and fixing device of the existing machining equipment needs manual adjustment, the automation degree is not high enough, the clamping force is not easy to control through manual adjustment, the situations of excessive clamping or insufficient and stable part are easy to occur, and the situations of part damage or part offset during machining can be caused; in addition, a general clamping device can only clamp and fix parts with specific shapes such as cuboids or cylinders, when some irregular parts are machined, the clamping and fixing effect of the device is not ideal, the parts are easy to loosen during machining, machining failure is caused, and material waste is caused.

Aiming at the defects of the prior art, the invention provides a part clamping and fixing device based on mechanical manufacturing, which has the advantages of high automation degree, excessive clamping prevention, more stable clamping and capability of clamping and fixing irregular parts, and solves the problems of smaller application range and unsatisfactory clamping and fixing effect of a common clamping and fixing device.

Disclosure of Invention

Technical scheme (I)

In order to realize the purposes of high automation degree, excessive clamping prevention, more stable clamping and capability of clamping and fixing irregular parts, the invention provides the following technical scheme: the utility model provides a spare part is with centre gripping fixing device based on machine-building, is including placing the platform, the outside of placing the platform is provided with the installing support, the outside of installing support is provided with the equipment main part, the middle part of equipment main part is provided with two-way drive arrangement, two-way drive arrangement's output all is provided with the threaded rod, threaded connection has the screw thread piece on the body of rod of threaded rod, the screw thread piece is close to the one end of placing the platform and articulates there is the spring beam, the spring beam is kept away from the one end of screw thread piece and articulates there is the switching piece, the switching piece is close to the one end fixedly connected with push rod of placing the platform, the.

Preferably, fixedly connected with barrel and stopper on the support body of installing support, push rod and installing support sliding connection, the holder is no less than five to it is the annular setting as the center to place the platform.

Preferably, the cylinder is filled with electrorheological fluid, which is composed of insulating mineral oil and composite metal hydroxide and is in suspension state initially.

Preferably, a guide rod is inserted into one end of the barrel body close to the limiting block, a spiral spring is arranged between the guide rod and the inner wall of the barrel body and used for resetting and buffering the guide rod, and the guide rod is connected with the limiting block in a sliding mode.

Preferably, one end of the guide rod, which is far away from the cylinder body, is fixedly connected with an installation block, sawteeth are arranged on one end of the installation block, which is far away from the guide rod, and two sides of the rod body of the push rod, and the installation block is meshed with the push rod through the sawteeth.

Preferably, the inside of spring beam is provided with electric plug and electric socket respectively, electric plug and electric socket respectively with external power source and electrorheological fluids electricity be connected.

Preferably, one end of the bidirectional driving device, which is close to the transfer block, is rotatably connected with a sliding rod, and the transfer block is slidably connected with the sliding rod.

Preferably, the electric plug and the electric socket are electrically connected with a power-off device of the bidirectional driving device, so that the bidirectional driving device can be automatically stopped conveniently.

(II) advantageous effects

Compared with the prior art, the invention provides a clamping and fixing device for parts based on mechanical manufacturing, which has the following beneficial effects:

1. this spare part clamping fixing device based on machine-building promotes spring beam and push rod through the screw thread piece and removes thereby making the holder be close to the spare part, behind holder and the spare part butt, push rod and switching piece can not remove to the direction of being close to the spare part again, and the screw thread piece continues to move this moment, then the spring beam is compressed, its inside electric plug and electric socket butt, two-way drive arrangement's outage equipment starts and makes two-way drive arrangement stop operation, prevent to promote the excessive centre gripping of spare part of push rod and holder, the spare part damage has been avoided.

2. This spare part clamping fixing device based on machine-building, through after electric plug and electric socket butt, electrorheological fluids circular telegram becomes solid state by the suspension state, then guide arm and installation piece rigidity, the installation piece carries on spacingly through the sawtooth to the push rod, then push rod and holder are unmovable, prevent to add man-hour because vibrations make holder and push rod not hard up, thereby centre gripping spare part more firmly, and because the holder is no less than five, it is the annular setting to place the platform as the center, then can follow the not equidirectional centre gripping of spare part and fix it, and the motion of each holder does not influence each other, consequently, can carry out the centre gripping fixedly to the spare part of irregular appearance.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of area A in FIG. 2 according to the present invention;

FIG. 4 is a schematic structural diagram of the area B in FIG. 2 according to the present invention.

In the figure: 1. a placing table; 2. mounting a bracket; 3. an apparatus main body; 4. a bi-directional drive device; 5. a threaded rod; 6. a thread block; 7. a spring lever; 8. a transfer block; 9. a push rod; 10. a holder; 11. a barrel; 12. a limiting block; 13. electrorheological fluid; 14. a guide bar; 15. a coil spring; 16. mounting blocks; 17. saw teeth; 18. an electrical socket; 19. an electric plug; 20. a slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a clamping and fixing device for parts based on mechanical manufacturing comprises a placing table 1, wherein an installation support 2 is arranged on the outer side of the placing table 1, an equipment main body 3 is arranged on the outer side of the installation support 2, a bidirectional driving device 4 is arranged in the middle of the equipment main body 3, threaded rods 5 are arranged at the output ends of the bidirectional driving device 4, threaded blocks 6 are connected to the rod bodies of the threaded rods 5 in a threaded manner, a spring rod 7 is hinged to one end, close to the placing table 1, of each threaded block 6, a transfer block 8 is hinged to one end, far away from the threaded block 6, of each spring rod 7, one end, close to the transfer block 8, of the bidirectional driving device 4 is rotatably connected with a sliding rod 20, and the transfer; one end of the transfer block 8 close to the placing table 1 is fixedly connected with a push rod 9, and one end of the push rod 9 close to the placing table 1 is provided with a clamp holder 10; fixedly connected with barrel 11 and stopper 12 on the support body of installing support 2, push rod 9 and installing support 2 sliding connection, holder 10 is no less than five to place platform 1 and be the annular setting as the center.

The interior of the cylinder 11 is filled with electrorheological fluid 13, the electrorheological fluid 13 is composed of insulating mineral oil and composite metal hydroxide, and is in a suspension state initially; a guide rod 14 is inserted at one end of the cylinder body 11 close to the limiting block 12, a spiral spring 15 is arranged between the guide rod 14 and the inner wall of the cylinder body 11 and used for resetting and buffering the guide rod 14, and the guide rod 14 is connected with the limiting block 12 in a sliding manner; one end of the guide rod 14, which is far away from the cylinder body 11, is fixedly connected with an installation block 16, sawteeth 17 are arranged at one end of the installation block 16, which is far away from the guide rod 14, and two sides of the rod body of the push rod 9, and the installation block 16 is meshed with the push rod 9 through the sawteeth 17; an electric plug 19 and an electric socket 18 are respectively arranged inside the spring rod 7, and the electric plug 19 and the electric socket 18 are respectively electrically connected with an external power supply and the electrorheological fluid 13; the electric plug 19 and the electric socket 18 are electrically connected with the power-off device of the bidirectional driving device 4, so that the bidirectional driving device 4 can be automatically stopped conveniently.

The working process and principle are as follows: the part to be processed is placed on the placing table 1, the bidirectional driving device 4 is started to drive the threaded rod 5 to rotate, the threaded rod 5 drives the threaded block 6 to move towards the direction close to the bidirectional driving device 4, the threaded block 6 drives the spring rod 7 to move synchronously, the spring rod 7 drives the switching block 8 to slide towards the direction close to the part along the sliding rod 20, and the switching block 8 drives the push rod 9 and the clamp holder 10 to move synchronously. After the clamper 10 is abutted to the part, the clamper 10, the push rod 9 and the switching block 8 can not move towards the direction close to the part any more, the thread block 6 continues to move at the moment, the spring rod 7 is compressed, the electric plug 19 and the electric socket 18 in the spring rod are abutted, the circuit is closed at the moment, the power-off equipment of the bidirectional driving device 4 is electrified to work, the bidirectional driving device 4 stops running, the part is prevented from being excessively clamped by pushing the push rod 9 and the clamper 10 after the spring rod 7 is compressed to the maximum degree, and the part is prevented from being damaged.

When the push rod 9 is close to a part, the push rod 9 repeatedly extrudes the mounting block 16 through the saw teeth 17 on two sides, at the moment, the electrorheological fluid 13 is not electrified and is in a suspension state, the mounting block 16 is matched with the spiral spring 15 to drive the guide rod 14 to reciprocate in the cylinder 11, after the electric plug 19 is abutted to the electric socket 18, the electrorheological fluid 13 is electrified and is changed from the suspension state to the solid state, the guide rod 14 cannot move any more, so that the mounting block 16 is fixed, the mounting block 16 limits the push rod 9 through the saw teeth 17, the push rod 9 cannot move, and therefore, the position of the clamp holder 10 is fixed, the clamp holder 10 and the push rod 9 are prevented from loosening due to vibration during processing, and the clamping and; because the holder 10 is no less than five, and use and place the platform 1 and be the annular setting as the center, then can follow the different directions of spare part and carry out the centre gripping fixed to it, and the motion of each holder 10 does not influence each other, consequently can carry out centre gripping fixed to the spare part of irregular appearance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a spare part is with centre gripping fixing device based on machine-building, is including placing platform (1), its characterized in that: the utility model discloses a clamp for the medical equipment, including placing platform (1), place the outside of platform (1) and be provided with installing support (2), the outside of installing support (2) is provided with equipment main part (3), the middle part of equipment main part (3) is provided with two-way drive arrangement (4), the output of two-way drive arrangement (4) all is provided with threaded rod (5), threaded connection has thread piece (6) on the body of rod of threaded rod (5), one end that thread piece (6) are close to placing platform (1) articulates there is spring beam (7), the one end that thread piece (6) were kept away from in spring beam (7) articulates there is switching piece (8), switching piece (8) are close to one end fixedly connected with push rod (9) of placing platform (1), push rod (9) are close to the one end of placing platform (1) and.

2. The clamping and fixing device for the parts based on mechanical manufacturing of claim 1, wherein: fixedly connected with barrel (11) and stopper (12) on the support body of installing support (2), push rod (9) and installing support (2) sliding connection, holder (10) are no less than five to place platform (1) and be the annular setting as the center.

3. The clamping and fixing device for the parts based on mechanical manufacturing according to claim 2, characterized in that: the electrorheological fluid (13) is filled in the cylinder (11), and the electrorheological fluid (13) consists of insulating mineral oil and composite metal hydroxide.

4. The clamping and fixing device for the parts based on mechanical manufacturing according to claim 2, characterized in that: a guide rod (14) is inserted into one end, close to the limiting block (12), of the barrel body (11), a spiral spring (15) is arranged between the guide rod (14) and the inner wall of the barrel body (11), and the guide rod (14) is connected with the limiting block (12) in a sliding mode.

5. The clamping and fixing device for the parts based on mechanical manufacturing according to claim 4, characterized in that: one end fixedly connected with installation piece (16) that barrel (11) were kept away from in guide arm (14), the one end that guide arm (14) were kept away from in installation piece (16) and the body of rod both sides of push rod (9) all are provided with sawtooth (17), installation piece (16) are connected through sawtooth (17) meshing with push rod (9).

6. The clamping and fixing device for the parts based on mechanical manufacturing of claim 1, wherein: an electric plug (19) and an electric socket (18) are respectively arranged inside the spring rod (7), and the electric plug (19) and the electric socket (18) are respectively electrically connected with an external power supply and the electrorheological fluid (13).

7. The clamping and fixing device for the parts based on mechanical manufacturing of claim 1, wherein: one end, close to the transfer block (8), of the bidirectional driving device (4) is rotatably connected with a sliding rod (20), and the transfer block (8) is in sliding connection with the sliding rod (20).

8. The clamping and fixing device for the parts based on mechanical manufacturing of claim 6, wherein: the electric plug (19) and the electric socket (18) are electrically connected with the power-off equipment of the bidirectional driving device (4).