CN220825482U

CN220825482U - Numerical control lathe fixture

Info

Publication number: CN220825482U
Application number: CN202322394445.XU
Authority: CN
Inventors: 姜杨; 杨瑞其; 唐晨茜
Original assignee: Wenzhou Tufeng Valve Fittings Co ltd
Current assignee: Wenzhou Tufeng Valve Fittings Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-23
Anticipated expiration: 2033-09-04

Abstract

The utility model discloses a numerical control lathe fixture, which comprises a chuck, wherein a clamping surface is arranged on the chuck, a plurality of adjusting channels are arranged on the chuck and are radially arranged around the axis of the chuck, adjusting mechanisms are arranged in the adjusting channels, the adjusting mechanisms are used for being connected with the clamping mechanisms and driving the clamping mechanisms to move along the length direction of the adjusting channels, the clamping mechanisms comprise clamping plates, the clamping plates are adjustable along the axis direction of the chuck, the clamping plates are used for respectively clamping the upper side and the lower side of a part with the clamping surface, the upper side and the lower side of the part are clamped through the clamping plates and the clamping surface, damage to the side face of the part is avoided, and meanwhile, the clamping stability can be enhanced through the arrangement of the adjusting channels and the clamping mechanisms.

Description

Numerical control lathe fixture

Technical Field

The utility model relates to the technical field of clamps, in particular to a numerical control lathe clamp.

Background

The clamp is used as a common instrument in numerical control machining, is mainly used for clamping a part to be machined, and is transferred into a numerical control lathe for machining.

For the part that the part shape is discoid, during its inside and outside anchor ring processing, generally can be through holding jaw conflict part non-machined surface one side respectively to accomplish the processing of opposite side, after this side processing is accomplished, readjustment holding jaw conflict original machined surface side, in order to realize the processing to original centre gripping side, this type of mode still has following defect when using: because the clamping jaw needs to completely contact the inner annular surface and the outer annular surface of the part and keep a certain locking force, the abrasion to the machining surface is easy to be caused, and particularly the edge part of the machining surface is easy to be severely abraded, so that the whole quality of the part is influenced, and the improvement is needed.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide the numerical control lathe fixture capable of avoiding abrasion to a machining surface and keeping clamping of parts.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The numerical control lathe fixture comprises a chuck, wherein a clamping surface is arranged on the chuck, a plurality of adjusting channels are arranged on the chuck, the adjusting channels are radially arranged around the axis of the chuck, and adjusting mechanisms are arranged in the adjusting channels;

The clamping mechanism is used for being connected with the clamping mechanism and driving the clamping mechanism to move along the length direction of the adjusting channel, the clamping mechanism comprises clamping plates, the clamping plates are adjustable along the axis direction of the chuck, and the clamping plates are used for respectively clamping the upper side and the lower side of the part with the clamping surfaces.

Through above-mentioned technical scheme, can carry out the centre gripping through splint and centre gripping to the upper and lower two sides of part, and then avoid causing the damage to the part machined surface, a plurality of adjustment mechanism and fixture's setting simultaneously can carry out the multiple spot centre gripping to the part, and then improve the stability of centre gripping.

As a further improvement of the utility model, the clamping mechanism further comprises a first screw rod and an installation seat connected with the adjusting mechanism, the clamping plate is provided with an installation hole, one end of the first screw rod penetrates through the installation hole and is in threaded connection with the installation seat, and one surface of the first screw rod, which is far away from the installation seat, is provided with an abutting surface for abutting against the clamping plate.

Through above-mentioned technical scheme, can rotate first screw rod with splint and part centre gripping, and then convenient to use.

As a further improvement of the utility model, the clamping plate is provided with a first limiting rod, the mounting seat is provided with a first limiting hole corresponding to the first limiting rod, and the first limiting rod is used for being inserted into the first limiting hole to limit the clamping plate to move only along the axial direction of the chuck.

Through above-mentioned technical scheme, can avoid splint to take place to deflect and cause the centre gripping unstable through first gag lever post and first spacing hole, keep simultaneously to obtain great clamping area between splint and the part to guarantee that the centre gripping is stable.

As a further improvement of the utility model, the first limiting rods are 2 in number and symmetrically arranged on two sides of the first screw rod.

Through above-mentioned technical scheme, the stability that splint removed can be improved to the first gag lever post that the symmetry set up.

As a further improvement of the utility model, the clamping plate is arc-shaped.

Through above-mentioned technical scheme, can obtain more laminating area with inner ring or outer loop border through curved splint, and then improve the centre gripping and stabilize, can directly contradict inner ring or outer loop simultaneously and use as conventional anchor clamps.

As a further improvement of the utility model, a boss is arranged between the adjacent adjusting channels, and one surface of the boss, which is far away from the chuck, is a clamping surface.

Through above-mentioned technical scheme, can reduce the piece after the processing and get into in the centre gripping region and cause the influence through the setting of boss, be convenient for the follow-up piece after the processing clear up simultaneously.

As a further improvement of the utility model, the adjusting mechanism comprises a second screw rod and a second limiting rod, the second screw rod is arranged along the length direction of the adjusting channel and is rotationally connected with the chuck, the mounting seat is in threaded connection with the second screw rod, the second limiting rod is arranged in parallel with the second screw rod, a second limiting hole is formed in the mounting seat and is in clearance fit with the second limiting rod, and a jack is formed in one end, far away from the chuck, of the second screw rod.

Through above-mentioned technical scheme, can realize the adjustment to the mount pad position, the straightness accuracy that the mount pad removed can be guaranteed in the setting of second gag lever post and second spacing hole simultaneously, and then avoids the mount pad to take place the skew.

The utility model has the beneficial effects that:

1. The clamping plate and the clamping surface are arranged to realize up-and-down clamping of the part, so that damage to the side surface of the part is avoided, and meanwhile, the clamping stability can be enhanced due to the arrangement of the plurality of adjusting channels and the clamping mechanism;

2. Clamping can be conveniently adjusted through the arrangement of the first screw rod and the abutting surface, so that the use difficulty is reduced;

3. The setting through the boss can reduce the piece that processing produced and get into the centre gripping region to reduce the harmful effect that causes next centre gripping.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of an adjusting mechanism according to the present utility model in a cross-section;

Fig. 3 is a schematic view of an installation section of the first stop lever of the present utility model.

Reference numerals: 1. a chuck; 2. a clamping surface; 3. a regulating channel; 4. an adjusting mechanism; 5. a clamping mechanism; 6. a clamping plate; 7. a first screw; 8. a mounting base; 9. a mounting hole; 10. a first stop lever; 11. a first limiting hole; 12. a boss; 13. a second screw; 14. a second limit rod; 15. a jack; 16. and the second limiting hole.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals.

As shown in fig. 1-3, a numerically controlled lathe fixture comprises a chuck 1, wherein a clamping surface 2 is arranged on the chuck 1, a plurality of adjusting channels 3 are arranged on the chuck 1, the adjusting channels 3 are radially arranged around the axis of the chuck 1, adjusting mechanisms 4 are arranged in the adjusting channels 3, and in the embodiment, the number of the adjusting channels 3 is 3;

preferably, the clamping mechanism 5 is further included, the adjusting mechanism 4 is used for being connected with the clamping mechanism 5 and driving the clamping mechanism 5 to move along the length direction of the adjusting channel 3, the clamping mechanism 5 comprises a clamping plate 6, the clamping plate 6 is adjustable along the axial direction of the chuck 1, and the clamping plate 6 is used for respectively clamping the upper side and the lower side of the part with the clamping surface 2.

The disc-shaped part is clamped through the clamping plate 6 and the clamping surface 2, damage caused by avoiding the inner ring and the outer ring of the disc-shaped part is avoided, meanwhile, the integral clamping performance can be enhanced through the arrangement of the adjusting channels 3, the clamping plate 6 is clamped along the outer wall of the part through the adjusting channels 3, and the clamping plate is further applicable to general parts and high in practicability.

Preferably, fixture 5 still includes first screw rod 7 and mount pad 8, mount pad 8 and adjustment mechanism 4 are connected, adjustment mechanism 4 is used for driving mount pad 8 along adjustment channel 3 length direction removal, be equipped with mounting hole 9 on splint 6, first screw rod 7 one end pass mounting hole 9 and with mount pad 8 threaded connection, first screw rod 7 and mounting hole 9 clearance fit, the one side that mount pad 8 was kept away from to first screw rod 7 is equipped with the conflict face that is used for contradicting splint 6, this conflict face is used for contradicting splint 6 with the part up end, or contradicts splint 6 with mount pad 8 so that splint 6 can be used for contradicting the part side.

Preferably, in order to limit the movement of the clamping plate 6, so as to avoid the reduction of the clamping area caused by the deflection of the clamping plate 6, the clamping stability is reduced, the clamping plate 6 is provided with a first limiting rod 10, the mounting seat 8 is provided with a first limiting hole 11 corresponding to the first limiting rod 10, the first limiting rod 10 is used for plugging the first limiting hole 11 to limit the movement of the clamping plate 6 only along the axial direction of the clamping plate 1, the deflection of the clamping plate 6 can be avoided on the one hand through the first limiting rod 10 and the first limiting hole 11, and the straightness of the movement of the clamping plate 6 can be improved simultaneously so as to ensure the stability of the connecting point, and further preferably, the number of the first limiting rods 10 is 2 and symmetrically arranged on two sides of the first screw 7.

Preferably, the clamping plate 6 is arc-shaped in order to increase the clamping area 2 with the part.

Preferably, since a lot of scraps are generated during the machining process of the part, and the scraps are easy to remain on the chuck 1 and difficult to clean, and enter the clamping area easily to affect the next clamping, a boss 12 is arranged between the adjacent adjusting channels 3, and the surface of the boss 12 away from the chuck 1 is the clamping surface 2.

Preferably, the adjusting mechanism 4 comprises a second screw rod 13 and a second limiting rod 14, the second screw rod 13 is arranged along the length direction of the adjusting channel 3 and is rotationally connected with the chuck 1, the mounting seat 8 is in threaded connection with the second screw rod 13, the second limiting rod 14 is arranged in parallel with the second screw rod 13, a second limiting hole 16 is formed in the mounting seat 8 and is in clearance fit with the second limiting rod 14, and a jack 15 is formed in one end, away from the chuck 1, of the second screw rod 13.

The utility model uses the principle that: when clamping disc type anchor clamps, when the part inner ring is preferential processing, come external L type inserted bar etc. mode rotatory second screw rod 13 through jack 15, adjust the mount pad 8 position, thereby make a plurality of mount pads 8 all be located the part periphery, further place the part on boss 12, further adjust mount pad 8, make splint 6 be located the part outer loop top, further rotatory first screw rod 7, and press down splint 6 in the part top through the conflict face, and mutually support with clamping face 2 so as to accomplish the two-sided centre gripping of part, after the part inner ring processing is accomplished, rotatory first screw rod 7 again and loosen the centre gripping to the part, further remove mount pad 8 to part inner ring position, and repeat the operation so as to accomplish the two-sided centre gripping of part inner ring, wherein, only be the inner ring face processing condition for the part at the part, can be with splint 6 side face alignment, and clamp part side face is held respectively through a plurality of splint 6 so as to realize the centre gripping fixed, simultaneously, can be through a plurality of splint 6 or mount pad 8 conflict part side face in order to accomplish the two-sided centre gripping of part, the predetermined position of part, the spare part is not need not be carried out to the extra-position the spare part, the mode is carried out to the spare part is not to the spare part, the spare part is not damaged in advance, the mode is not need to be carried out to the spare part, and the spare part is not pre-tightly adjusted, and the spare part is not need to be located because the spare part is moved.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A numerical control lathe fixture is characterized in that: the clamping device comprises a clamping disc (1), wherein a clamping surface (2) is arranged on the clamping disc (1), a plurality of adjusting channels (3) are arranged on the clamping disc (1), the adjusting channels (3) are radially arranged around the axis of the clamping disc (1), and adjusting mechanisms (4) are arranged in the adjusting channels (3); the clamping mechanism (5), adjustment mechanism (4) are used for being connected with clamping mechanism (5) and driving clamping mechanism (5) and remove along adjustment channel (3) length direction, clamping mechanism (5) are including splint (6), splint (6) are adjustable along chuck (1) axis direction, splint (6) are used for with clamping face (2) centre gripping part upper and lower both sides respectively.

2. A numerically controlled lathe clamp according to claim 1, wherein: the clamping mechanism (5) further comprises a first screw (7) and a mounting seat (8) connected with the adjusting mechanism (4), a mounting hole (9) is formed in the clamping plate (6), one end of the first screw (7) penetrates through the mounting hole (9) and is in threaded connection with the mounting seat (8), and a collision surface for collision of the clamping plate (6) is arranged on one surface, away from the mounting seat (8), of the first screw (7).

3. A numerically controlled lathe tool according to claim 2, wherein: be equipped with first gag lever post (10) on splint (6), mount pad (8) are equipped with first spacing hole (11) corresponding first gag lever post (10), first gag lever post (10) are used for pegging graft first spacing hole (11) in order to restrict splint (6) and only follow chuck (1) axis direction and remove.

4. A numerically controlled lathe tool according to claim 3, wherein: the number of the first limiting rods (10) is 2 and the first limiting rods are symmetrically arranged on two sides of the first screw rod (7).

5. A numerically controlled lathe clamp according to claim 1, wherein: the clamping plate (6) is arc-shaped.

6. A numerically controlled lathe clamp according to claim 1, wherein: a boss (12) is arranged between the adjacent adjusting channels (3), and one surface of the boss (12) far away from the chuck (1) is a clamping surface (2).

7. A numerically controlled lathe tool according to claim 2, wherein: the adjusting mechanism (4) comprises a second screw rod (13) and a second limiting rod (14), the second screw rod (13) is arranged along the length direction of the adjusting channel (3) and is rotationally connected with the chuck (1), the mounting seat (8) is in threaded connection with the second screw rod (13), the second limiting rod (14) is arranged in parallel with the second screw rod (13), a second limiting hole (16) is formed in the mounting seat (8) and is in clearance fit with the second limiting rod (14), and one end, far away from the chuck (1), of the second screw rod (13) is provided with a jack (15).