CN110919422A

CN110919422A - CNC precision finishing quick heat conduction clamping jig

Info

Publication number: CN110919422A
Application number: CN201911222636.XA
Authority: CN
Inventors: 汤亚生; 周扬洋
Original assignee: Dongtai East Tatsu Electronic Co Ltd
Current assignee: Dongtai East Tatsu Electronic Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-03-27

Abstract

The invention relates to the technical field of machining, and discloses a CNC precision machining rapid heat conduction clamping jig which comprises a base, wherein fixing plates are fixedly mounted on the left side and the right side of the top of the base, a connecting box is fixedly mounted on the opposite side of each fixing plate, a limiting plate is movably mounted in each connecting box, driving rods are fixedly mounted on the opposite sides of the limiting plates, a reset spring located on the back side of each limiting plate is sleeved on the outer side of each driving rod, a fixing box is fixedly mounted on the opposite side of each connecting box, a first supporting rod fixedly connected with the base is mounted at the bottom of each fixing box, and a connecting rod penetrating through the fixing boxes and extending into the fixing boxes is fixedly mounted on the opposite sides of. This quick heat conduction centre gripping tool of CNC precision finishing is convenient for process the machined part, and whole centre gripping process is comparatively stable, and the required time is shorter, improves the centre gripping efficiency to the machined part, and then has reached the effect of being convenient for carry out the centre gripping to the machined part, and it is comparatively convenient to use.

Description

CNC precision finishing quick heat conduction clamping jig

Technical Field

The invention relates to the technical field of machining, in particular to a CNC precision machining rapid heat conduction clamping jig.

Background

CNC is computer numerical control, which is an NC system that uses a special computer capable of storing programs to perform some or all basic numerical control functions, and general CNC machining generally refers to computer numerical control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines, and the like.

The invention patent with the application number of CN201822208513.8 discloses a CNC machining clamping jig, which provides a clamping jig with good clamping stability and high clamping force, improves the production efficiency and the yield, but is not convenient for clamping a machined part, further reduces the production efficiency, improves the machining cost, and simultaneously, in the machining process, the machined part generates a large amount of heat, so that the temperature can be increased, the machined part is easy to deform, the secondary yield is improved, and the CNC precision machining quick heat conduction clamping jig is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the CNC precision machining rapid heat conduction clamping jig which has the advantages of convenience in clamping and the like, and solves the problems that the existing machining piece is inconvenient to clamp, the production efficiency of the machining piece is further reduced, the machining cost is improved, and meanwhile, the machining piece generates a large amount of heat in the machining process, so that the temperature is increased, the machining piece is easily deformed, and the secondary yield is improved.

(II) technical scheme

In order to achieve the purpose of facilitating clamping, the invention provides the following technical scheme: a CNC precision machining rapid heat conduction clamping jig comprises a base, wherein fixed plates are fixedly mounted on the left side and the right side of the top of the base, a connecting box is fixedly mounted on the opposite side of each fixed plate, a limiting plate is movably mounted in the connecting box, a driving rod is fixedly mounted on the opposite side of the limiting plate, a reset spring located on the opposite side of the limiting plate is sleeved on the outer side of the driving rod, a fixed box is fixedly mounted on the opposite side of the connecting box, a first supporting rod fixedly connected with the base is mounted at the bottom of the fixed box, a connecting rod penetrating through the fixed box and extending into the fixed box is fixedly mounted on the opposite side of the limiting plate, a U-shaped rod penetrating through the fixed box and extending to the outside is fixedly mounted on the opposite side of the fixed box, a fixed shaft is movably mounted on the front, the utility model discloses a fixed axle, including fixed axle, fixed pole, fixed post.

Preferably, a moving groove is formed in the inner wall of the connecting box, and the limiting plate is movably connected with the connecting box through the moving groove.

Preferably, the number of the return springs is two, and the return springs are distributed in bilateral symmetry.

Preferably, the number of the rotating rods is four, and the rotating rods are symmetrically distributed up and down by taking a straight line formed by the two fixed shafts as a symmetry axis.

Preferably, the number of the limiting holes and the pushing rods is four, and the limiting holes and the pushing rods are distributed in a one-to-one correspondence manner.

Preferably, one side of the clamping plate far away from the rotating rod is fixedly provided with a convex block, and the convex blocks are uniformly distributed.

Preferably, the inner walls of the left side and the right side of the heat dissipation box are provided with limit grooves, and the fan is movably connected with the heat dissipation box through the limit grooves.

Preferably, the number of the electric push rods is two, and the electric push rods are symmetrically distributed at the top of the fan.

Preferably, the control panel is electrically connected with the driving cylinder and the electric push rod, and the control panel is fixed with the fixing plate through a bolt.

(III) advantageous effects

Compared with the prior art, the invention provides a CNC precision machining rapid heat conduction clamping jig which has the following beneficial effects:

1. this quick heat conduction centre gripping tool of CNC precision finishing, drive actuating cylinder through setting up, add man-hour to the machined part, adjust control panel, start and drive actuating cylinder, the actuating lever receives the promotion that drives actuating cylinder, the actuating lever can stimulate the limiting plate and extrude reset spring, thereby make the reset spring atress compress, the limiting plate can slide in the connecting box, the connecting rod will stimulate the U-shaped pole and remove, the catch bar can move about in spacing hole, the dwang will rotate round the fixed axle, interval between the splint will diminish, thereby played the purpose that carries out the centre gripping to the machined part, be convenient for process the machined part, whole centre gripping process is comparatively stable, the required time is shorter, the improvement is to the centre gripping efficiency of machined part, and then reached and be convenient for carry out the effect of centre gripping to the machined part, it is comparatively convenient.

2. This quick heat conduction centre gripping tool of CNC precision finishing, through the heat dissipation case, in-process to the machined part carries out processing, adjust control panel, start electric putter, make electric putter promote the fan downstream in the heat dissipation case, the heat dissipation copper sheet of fixing in the fan bottom can contact with the top of dwang, then the heat that produces in the process of processing can be transmitted for the heat dissipation copper sheet through the dwang, then take the heat out at the effect of fan, thereby can reduce the temperature of machined part fast, prevent the high temperature of machined part and the deformation that takes place, the appearance rate of substandard product has been reduced, and then reduce the processing cost, economic benefits is improved.

Drawings

FIG. 1 is a schematic structural view of a CNC precision machining rapid heat-conducting clamping fixture according to the present invention;

FIG. 2 is an enlarged schematic view of a CNC precision machining fixture A according to the present invention;

fig. 3 is an enlarged schematic view of a CNC precision machining fast heat conducting clamping fixture B according to the present invention.

In the figure: the device comprises a base 1, a fixing plate 2, a connecting box 3, a limiting plate 4, a driving rod 5, a return spring 6, a fixing box 7, a first supporting rod 8, a connecting rod 9, a U-shaped rod 10, a fixing block 11, a fixing shaft 12, a rotating rod 13, a limiting hole 14, a pushing rod 15, a clamping plate 16, a driving cylinder 17, a second supporting rod 18, a top plate 19, a heat dissipation box 20, an electric push rod 21, a fan 22, a heat dissipation copper sheet 23 and a control panel 24.

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. 1-3, a CNC precision machining fast heat conduction clamping jig comprises a base 1, wherein fixed plates 2 are fixedly installed on the left side and the right side of the top of the base 1, a connecting box 3 is fixedly installed on the opposite side of the fixed plates 2, a moving groove is formed in the inner wall of the connecting box 3, a limiting plate 4 is movably connected with the connecting box 3 through the moving groove, a limiting plate 4 is movably installed inside the connecting box 3, a driving rod 5 is fixedly installed on the opposite side of the limiting plate 4, a reset spring 6 located on the opposite side of the limiting plate 4 is sleeved on the outer side of the driving rod 5, the number of the reset springs 6 is two, the reset springs 6 are symmetrically distributed in the left-right direction, a fixed box 7 is fixedly installed on the opposite side of the connecting box 3, a first supporting rod 8 fixedly connected with the base 1 is installed at the bottom of the fixed box 7, a connecting rod 9, the opposite side of the connecting rod 9 is fixedly provided with a U-shaped rod 10 which penetrates through the fixed box 7 and extends to the outside, the opposite side of the fixed box 7 is fixedly provided with a fixed block 11, the front of the fixed block 11 is movably provided with a fixed shaft 12, the outer side of the fixed shaft 12 is movably provided with two rotating rods 13, the number of the rotating rods 13 is four, the rotating rods 13 are symmetrically distributed up and down by taking a straight line formed by the two fixed shafts 12 as a symmetrical axis, the front of the rotating rods 13 is provided with a limit hole 14, the number of the limit hole 14 and the number of the push rods 15 are four, the limit hole 14 and the push rods 15 are distributed in a one-to-one correspondence manner, the front of the U-shaped rod 10 is fixedly provided with the push rods 15 positioned in the limit holes 14, one side of the rotating rods 13 far away from the fixed block 11 is fixedly provided with a clamp plate 16, one side of the clamp plate 16 far away, a second support rod 18 is fixedly installed at the top of the fixed box 7, a top plate 19 is fixedly installed at the top of the second support rod 18, a heat dissipation box 20 is fixedly installed inside the top plate 19, limiting grooves are formed in the inner walls of the left side and the right side of the heat dissipation box 20, a fan 22 is movably connected with the heat dissipation box 20 through the limiting grooves, an electric push rod 21 is fixedly installed inside the heat dissipation box 20, the type of the electric push rod 21 can be ANT-26, the number of the electric push rods 21 is two, the electric push rods 21 are symmetrically distributed at the top of the fan 22, the fan 22 movably connected with the heat dissipation box 20 is fixedly installed at the bottom of the electric push rod 21, a heat dissipation copper sheet 23 is fixedly installed at the bottom of the fan 22, a control panel 24 is fixedly installed at the left side of the left side fixed plate 2, the control panel 24 is electrically connected with both the driving cylinder, drive actuating cylinder 17 through setting up, add man-hour to the machined part, adjust control panel 24, start and drive actuating cylinder 17, actuating lever 5 receives the promotion that drives actuating cylinder 17, actuating lever 5 can stimulate limiting plate 4 and extrude reset spring 6, thereby make reset spring 6 atress compress, limiting plate 4 can slide in connecting box 3, connecting rod 9 will stimulate U-shaped pole 10 and remove, catch bar 15 can move about in spacing hole 14, dwang 13 will rotate round fixed axle 12, interval between splint 16 will diminish, thereby played and carried out the purpose of centre gripping to the machined part, be convenient for process the machined part, whole centre gripping process is comparatively stable, the required time is short, improve the clamping efficiency to the machined part, and then reached and be convenient for carry out the effect of centre gripping to the machined part, it is comparatively convenient to use.

When using, start and drive actuating cylinder 17, actuating lever 5 receives the promotion that drives actuating cylinder 17, actuating lever 5 can stimulate limiting plate 4 and extrude reset spring 6, thereby make reset spring 6 atress compression, limiting plate 4 can slide in connecting box 3, connecting rod 9 will stimulate U-shaped pole 10 and remove, catch bar 15 can move about in spacing hole 14, dwang 13 will rotate round fixed axle 12, interval between splint 16 will diminish, thereby played the purpose of carrying out the centre gripping to the machined part.

In conclusion, the CNC precision machining rapid heat conduction clamping jig is provided with the driving cylinder 17, when a workpiece is machined, the control panel 24 is adjusted, the driving cylinder 17 is started, the driving rod 5 is pushed by the driving cylinder 17, the driving rod 5 can pull the limiting plate 4 to extrude the reset spring 6, so that the reset spring 6 is compressed under force, the limiting plate 4 can slide in the connecting box 3, the connecting rod 9 can pull the U-shaped rod 10 to move, the push rod 15 can move in the limiting hole 14, the rotating rod 13 can rotate around the fixing shaft 12, the distance between the clamping plates 16 can be reduced, the purpose of clamping the workpiece is achieved, the workpiece is machined conveniently, the whole clamping process is stable, the required time is short, the clamping efficiency of the workpiece is improved, and the effect of conveniently clamping the workpiece is achieved, the use is convenient, the control panel 24 is adjusted through the heat dissipation box 20 in the process of processing the machined part, the electric push rod 21 is started, the electric push rod 21 pushes the fan 22 to move downwards in the heat dissipation box 20, the heat dissipation copper sheet 23 fixed at the bottom of the fan 22 is contacted with the top of the rotating rod 13, then the heat generated in the processing process is transferred to the heat dissipation copper sheet 23 through the rotating rod 13, and then the heat is taken out under the action of the fan 22, so that the temperature of the machined part can be quickly reduced, the deformation of the machined part due to overhigh temperature is prevented, the occurrence rate of defective products is reduced, the processing cost is reduced, the economic benefit is improved, the problem that the machined part is not convenient to clamp in the prior art is solved, the production efficiency is reduced, the processing cost is improved, and meanwhile, the machined part generates a large amount of heat in the processing process, thereby the temperature can rise, easily lead to the machined part to take place the deformation, improve the problem of its second yield.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 quick heat conduction centre gripping tool of CNC precision finishing, includes base (1), its characterized in that: the improved structure of the automobile seat is characterized in that fixed plates (2) are fixedly mounted on the left side and the right side of the top of the base (1), a connecting box (3) is fixedly mounted on the opposite sides of the fixed plates (2), limiting plates (4) are movably mounted inside the connecting box (3), driving rods (5) are fixedly mounted on the opposite sides of the limiting plates (4), a reset spring (6) located on the opposite sides of the limiting plates (4) is sleeved on the outer side of the driving rods (5), fixed boxes (7) are fixedly mounted on the opposite sides of the connecting box (3), first supporting rods (8) fixedly connected with the base (1) are mounted at the bottoms of the fixed boxes (7), connecting rods (9) penetrating through the fixed boxes (7) and extending to the inner parts of the connecting rods are fixedly mounted on the opposite sides of the connecting rods (9), U-shaped rods (10) penetrating through the fixed boxes (7) and extending, the fixed box comprises a fixed box body (7), fixed blocks (11) are fixedly mounted on opposite sides of the fixed box body (7), a fixed shaft (12) is movably mounted on the front side of the fixed block (11), the number of the rotating rods (13) on the outer side of the fixed shaft (12) is two, a limiting hole (14) is formed in the front side of each rotating rod (13), a push rod (15) located in the limiting hole (14) is fixedly mounted on the front side of each U-shaped rod (10), a clamp plate (16) is fixedly mounted on one side of each rotating rod (13) far away from the fixed block (11), a driving cylinder (17) fixedly connected with the driving rod (5) and fixedly mounted on the back side of the fixed plate (2), a second supporting rod (18) is fixedly mounted on the top of the fixed box body (7), a top plate (19) is fixedly mounted on the top of the second supporting rod (18, the inside fixed mounting of heat dissipation case (20) has electric putter (21), the bottom fixed mounting of electric putter (21) have with heat dissipation case (20) swing joint's fan (22), the bottom fixed mounting of fan (22) has heat dissipation copper sheet (23), the left side fixed mounting of fixed plate (2) has control panel (24).

2. The CNC precision machining rapid heat conduction clamping jig of claim 1, wherein: the inner wall of the connecting box (3) is provided with a moving groove, and the limiting plate (4) is movably connected with the connecting box (3) through the moving groove.

3. The CNC precision machining rapid heat conduction clamping jig of claim 1, wherein: the number of the reset springs (6) is two, and the reset springs (6) are distributed in a bilateral symmetry manner.

4. The CNC precision machining rapid heat conduction clamping jig of claim 1, wherein: the quantity of dwang (13) is four, and dwang (13) use the straight line that two fixed axles (12) formed to be symmetry axis and be symmetry distribution from top to bottom.

5. The CNC precision machining rapid heat conduction clamping jig of claim 1, wherein: the number of the limiting holes (14) and the number of the push rods (15) are four, and the limiting holes (14) and the push rods (15) are distributed in a one-to-one correspondence manner.

6. The CNC precision machining rapid heat conduction clamping jig of claim 1, wherein: one side fixed mounting that dwang (13) were kept away from in splint (16) has the lug, and the lug is evenly distributed.

7. The CNC precision machining rapid heat conduction clamping jig of claim 1, wherein: the inner walls of the left side and the right side of the heat dissipation box (20) are provided with limit grooves, and the fan (22) is movably connected with the heat dissipation box (20) through the limit grooves.

8. The CNC precision machining rapid heat conduction clamping jig of claim 1, wherein: the number of the electric push rods (21) is two, and the electric push rods (21) are symmetrically distributed at the top of the fan (22).

9. The CNC precision machining rapid heat conduction clamping jig of claim 1, wherein: the control panel (24) is electrically connected with the driving cylinder (17) and the electric push rod (21), and the control panel (24) is fixed with the fixing plate (2) through bolts.