CN216657121U

CN216657121U - Clamping and fixing device for machining of numerical control lathe

Info

Publication number: CN216657121U
Application number: CN202123379535.9U
Authority: CN
Inventors: 张立吉
Original assignee: Qingdao Geely Xuning Environmental Protection Technology Co ltd
Current assignee: Qingdao Geely Xuning Environmental Protection Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-03
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of numerical control lathes and discloses a clamping and fixing device for machining of a numerical control lathe. According to the utility model, by arranging the pneumatic cylinder, the rotating plates, the circular shafts, the movable clamps and the inclined blocks, the movable blocks can move downwards due to the operation of the pneumatic cylinder, at the moment, the two inclined blocks can respectively pull the two rotating plates to rotate by taking the fixed shaft as an axis, at the moment, the circular shafts can move in the inner opening, so that the two circular shafts can respectively drive the two mounting blocks and the movable clamps to move oppositely through the two connecting rods, finally, the clamping and fixing effect on a workpiece can be formed between the two movable clamps, the operation is simple and convenient, the consumed time is short, and the operation efficiency of workers is effectively improved.

Description

Clamping and fixing device for machining of numerical control lathe

Technical Field

The utility model belongs to the technical field of numerical control lathes, and particularly relates to a clamping and fixing device for machining of a numerical control lathe.

Background

The numerically controlled lathe is one of the widely used numerically controlled machines, and is mainly used for cutting and processing the inner and outer cylindrical surfaces of shaft parts or disc parts, the inner and outer conical surfaces with any taper angle, the inner and outer curved surfaces of complex rotation, the cylindrical and conical threads and the like, and can perform grooving, drilling, reaming, boring and the like.

At present, the enterprise often can use numerical control lathe when producing the processing work piece, and its self of numerical control lathe generally can install the corresponding tight fixing device of clamp of collocation, thereby realize the fixed effect to the work piece, avoid the work piece to take place the position activity when processing, and current clamp fastening fixing device is at the in-process of in-service use, although can realize basic fixed effect, its operation is comparatively loaded down with trivial details, and consume for a long time, thereby the operation use that gives the staff has brought inconveniently.

Meanwhile, the clamp of the conventional clamping and fixing device is generally designed in a fixed mode, so that workers cannot detach and replace the clamp, the clamp can only clamp and fix workpieces of the same size, the application range of the clamping and fixing device is reduced, and the clamp needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a clamping and fixing device for machining of a numerical control lathe, which has the advantages of convenience in clamping and fixing and convenience in dismounting a clamp.

In order to achieve the purpose, the utility model provides the following technical scheme: a clamping and fixing device for machining of a numerical control lathe comprises a base, wherein a machine body is fixedly installed at the top of the base, a movable door is movably installed on the front face of the machine body, a placing frame is fixedly installed at the bottom of an inner cavity of the machine body, side openings are formed in two sides of the top of the placing frame, a pneumatic cylinder is fixedly installed at the bottom of the front face of the inner cavity of the machine body, a movable block located inside the placing frame is fixedly installed at the other end of the pneumatic cylinder, a fixed shaft located below the side openings and two sides of the movable block is fixedly installed at the top of the inner cavity of the placing frame, a rotating plate is movably sleeved on the outer surface of the fixed shaft, an inner opening is formed in the rotating plate, a round shaft is movably sleeved inside the inner opening, a connecting rod located inside the side opening is fixedly installed at the top of the round shaft, an installing block is fixedly installed at the top of the connecting rod, and a movable clamp is movably sleeved on the outer surface of the installing block, the movable fixture is two in number, and is symmetrical about the rack central point between each other, because the design of two movable fixtures, can play good fixed effect to the work piece, the bottom of installation piece and movable fixture all with the top swing joint of rack, the both sides of movable block articulate there is the sloping block, the other end of sloping block is articulated with the outside of rotor plate.

As a preferable technical scheme of the utility model, the two sides in the installation block are both provided with side cavities, the inside of each side cavity is movably sleeved with the moving plate, and the outer surface of the moving plate and the inner wall of each side cavity are both smooth, so that the moving plate can move more smoothly in the side cavities.

As a preferred technical scheme of the utility model, the outside of the moving plate is fixedly provided with a bolt, the other end of the bolt sequentially penetrates through the mounting block and the movable clamp and extends into the inner wall of the movable clamp, and due to the design of the bolt, the fixing effect between the mounting block and the movable clamp can be realized.

As a preferred technical solution of the present invention, the outer side of the moving plate is fixedly connected with a flexible spring located inside the side cavity, and the other end of the flexible spring is fixedly connected with the inner wall of the side cavity.

As a preferred technical scheme of the utility model, through holes located at two sides of the connecting rod are formed in the outer side of the movable clamp, the interior of each through hole is communicated with the interior of the corresponding side cavity, a handle is movably sleeved in each through hole, one end of each handle penetrates through each through hole and extends to the outside of the corresponding mounting block, the other end of each handle is fixedly connected with the left side of the corresponding moving plate, and a worker can pull the handles to enable the moving plates to drive the corresponding pins to move, so that the corresponding pins can be separated from the inner walls of the movable clamps, and the fixing effect between the mounting blocks and the movable clamps can be relieved.

As a preferable technical solution of the present invention, the number of the rotating plates is two, the two rotating plates have the same size, and are symmetrical with each other about the center of the rack, and when the two rotating plates rotate oppositely, the circular shaft can be pushed to move through the inner opening of the two rotating plates.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the pneumatic cylinder, the rotating plates, the circular shafts, the movable clamps and the inclined blocks, the movable blocks can move downwards due to the operation of the pneumatic cylinder, at the moment, the two inclined blocks can respectively pull the two rotating plates to rotate by taking the fixed shaft as an axis, at the moment, the circular shafts can move in the inner opening, so that the two circular shafts can respectively drive the two mounting blocks and the movable clamps to move oppositely through the two connecting rods, finally, the clamping and fixing effect on a workpiece can be formed between the two movable clamps, the operation is simple and convenient, the consumed time is short, and the operation efficiency of workers is effectively improved.

2. According to the utility model, through arranging the bolts, the handles and the flexible springs, a worker can pull the two handles simultaneously, so that the two moving plates move oppositely and extrude the flexible springs, and at the moment, the two bolts can be separated from the inside of the movable clamp simultaneously, so that the fixing effect between the mounting block and the movable clamp can be relieved, the worker can conveniently detach and replace the movable clamp, the subsequent clamping and fixing of workpieces with different sizes can be realized, and the application range of the device is effectively enlarged.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a side cross-sectional structural schematic view of the present invention;

fig. 4 is a schematic structural view of the rack of the present invention;

FIG. 5 is a schematic cross-sectional view of the movable clamp of FIG. 4;

figure 6 is a bottom view of the rack of the present invention;

fig. 7 is a partially enlarged structural view of a portion a in fig. 5.

In the figure: 1. a base; 2. a body; 3. a movable door; 4. placing a rack; 5. a side port; 6. a pneumatic cylinder; 7. a movable block; 8. a fixed shaft; 9. a rotating plate; 10. an inner opening; 11. a circular shaft; 12. a connecting rod; 13. mounting blocks; 14. a movable clamp; 15. a sloping block; 16. a lateral cavity; 17. a motion plate; 18. a bolt; 19. a port; 20. a handle; 21. a flexible spring.

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.

As shown in figures 1 to 7, the utility model provides a clamping and fixing device for machining a numerical control lathe, which comprises a base 1, wherein a machine body 2 is fixedly arranged at the top of the base 1, a movable door 3 is movably arranged on the front surface of the machine body 2, a placing frame 4 is fixedly arranged at the bottom of an inner cavity of the machine body 2, side openings 5 are respectively arranged at two sides of the top of the placing frame 4, a pneumatic cylinder 6 is fixedly arranged at the bottom of the front surface of the inner cavity of the machine body 2, a movable block 7 positioned in the placing frame 4 is fixedly arranged at the other end of the pneumatic cylinder 6, fixed shafts 8 positioned below the side openings 5 and at two sides of the movable block 7 are fixedly arranged at the top of the inner cavity of the placing frame 4, a rotating plate 9 is movably sleeved on the outer surface of the fixed shaft 8, an inner opening 10 is arranged in the rotating plate 9, a round shaft 11 is movably sleeved in the inner opening 10, a connecting rod 12 positioned in the side opening 5 is fixedly arranged at the top of the round shaft 11, and an installation block 13 is fixedly arranged at the top of the connecting rod 12, the movable fixture 14 has been cup jointed in the surface activity of installation piece 13, the quantity of movable fixture 14 is two, two movable fixture 14 are each other about rack 4 central symmetry, because the design of two movable fixture 14, can play good fixed effect to the work piece, the bottom of installation piece 13 and movable fixture 14 all with rack 4's top swing joint, the both sides of movable block 7 articulate there is sloping block 15, the other end of sloping block 15 is articulated with the outside of rotor plate 9.

Wherein, side chamber 16 has all been seted up to the inside both sides of installation piece 13, and the inside activity of side chamber 16 has cup jointed motion plate 17, and the surface of motion plate 17 and the inner wall of side chamber 16 are all smooth, consequently can make motion plate 17 more smooth and easy at the inside motion of side chamber 16.

Wherein, the exterior of the moving plate 17 is fixedly provided with a bolt 18, the other end of the bolt 18 penetrates through the mounting block 13 and the movable clamp 14 in sequence and extends into the inner wall of the movable clamp 14, and due to the design of the bolt 18, the fixing effect between the mounting block 13 and the movable clamp 14 can be realized.

Wherein, the outside fixedly connected with of moving plate 17 is located the inside flexible spring 21 of side chamber 16, and the other end of flexible spring 21 and the inner wall fixed connection of side chamber 16, because flexible spring 21 is compression state this moment, consequently can exert an elasticity to moving plate 17, and then make the card that bolt 18 can be firm in the inner wall of movable clamp 14.

Wherein, the outside of activity anchor clamps 14 is seted up and is located the opening 19 of connecting rod 12 both sides, the inside of opening 19 communicates with each other with the inside of side chamber 16, handle 20 has been cup jointed in the inside activity of opening 19, the one end of handle 20 passes opening 19 and extends to the outside of installation piece 13, the other end of handle 20 and the left side fixed connection of motion board 17, the staff can be through pulling handle 20 for motion board 17 drives bolt 18 and takes place the motion, and then make bolt 18 break away from in the inner wall of activity anchor clamps 14, so that relieve the fixed effect between installation piece 13 and the activity anchor clamps 14.

The number of the rotating plates 9 is two, the two rotating plates 9 are the same in size, the two rotating plates 9 are mutually symmetrical relative to the center of the placing rack 4, and when the two rotating plates 9 rotate oppositely, the circular shaft 11 can be pushed to move through the inner opening 10 in the two rotating plates.

The working principle and the using process of the utility model are as follows:

firstly, the staff opens dodge gate 3, later will treat the work piece of processing and place the middle part at rack 4 top, then the staff can start pneumatic cylinder 6, the operation of pneumatic cylinder 6 will make movable block 7 move down to two sloping blocks 15 will stimulate two rotor plates 9 and use fixed axle 8 as the axle center rotation respectively, the round axle 11 will move in the inside of interior mouth 10 this moment, thereby can drive installation piece 13 and movable fixture 14 through connecting rod 12 and move in opposite directions, will press from both sides tightly fixedly to the work piece between two movable fixture 14 finally.

If the worker needs to disassemble and replace the movable clamp 14, the two handles 20 can be pulled simultaneously, so that the two movable plates 17 move towards each other and press the flexible springs 21, the two bolts 18 can be separated from the inner part of the movable clamp 14, the fixing effect between the mounting block 13 and the movable clamp 14 can be released, and then the movable clamp 14 can be taken out from the outer surface of the mounting block 13 to be replaced, so as to realize the clamping fixing effect on workpieces with different sizes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tight fixing device of clamp that numerical control lathe processing was used, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with a machine body (2), the front of the machine body (2) is movably provided with a movable door (3), the bottom of the inner cavity of the machine body (2) is fixedly provided with a placing frame (4), both sides of the top of the placing frame (4) are respectively provided with a side opening (5), the front bottom of the inner cavity of the machine body (2) is fixedly provided with a pneumatic cylinder (6), the other end of the pneumatic cylinder (6) is fixedly provided with a movable block (7) positioned inside the placing frame (4), the top of the inner cavity of the placing frame (4) is fixedly provided with a fixed shaft (8) positioned below the side opening (5) and both sides of the movable block (7), the outer surface of the fixed shaft (8) is movably sleeved with a rotating plate (9), the inside of the rotating plate (9) is provided with an inner opening (10), and the inside of the inner opening (10) is movably sleeved with a round shaft (11), the utility model discloses a round axle, including round axle (11), movable anchor clamps (14), the top of installation piece (13) and movable anchor clamps (14), the top fixed mounting of round axle (11) has connecting rod (12) that are located side mouth (5) inside, the top fixed mounting of connecting rod (12) has installation piece (13), movable anchor clamps (14) have been cup jointed in the surface activity of installation piece (13), the bottom of installation piece (13) and movable anchor clamps (14) all with the top swing joint of rack (4), the both sides of movable block (7) articulate has sloping block (15), the other end of sloping block (15) is articulated with the outside of rotor plate (9).

2. The clamping fixture for use in numerically controlled lathe machining as claimed in claim 1, wherein: side cavities (16) are formed in two sides of the interior of the mounting block (13), and a moving plate (17) is movably sleeved in the interior of each side cavity (16).

3. The clamping fixture for use in numerically controlled lathe machining as claimed in claim 2, wherein: the outer portion of the moving plate (17) is fixedly provided with a bolt (18), and the other end of the bolt (18) penetrates through the mounting block (13) and the movable clamp (14) in sequence and extends into the inner wall of the movable clamp (14).

4. The clamping fixture for use in numerically controlled lathe machining of claim 2, further comprising: the outer side of the moving plate (17) is fixedly connected with a flexible spring (21) located in the side cavity (16), and the other end of the flexible spring (21) is fixedly connected with the inner wall of the side cavity (16).

5. The clamping fixture for use in numerically controlled lathe machining of claim 1, further comprising: opening (19) that are located connecting rod (12) both sides are seted up in the outside of activity anchor clamps (14), the inside of opening (19) communicates with each other with the inside of side chamber (16), handle (20) have been cup jointed in the inside activity of opening (19), the outside of opening (19) and extension to installation piece (13) is passed and to the one end of handle (20), the left side fixed connection of the other end of handle (20) and motion board (17).

6. The clamping fixture for use in numerically controlled lathe machining as claimed in claim 1, wherein: the number of the rotating plates (9) is two, the two rotating plates (9) are the same in size, and the two rotating plates (9) are mutually symmetrical relative to the center of the placing frame (4).