CN217966701U

CN217966701U - High-precision bolt machining, positioning and clamping device

Info

Publication number: CN217966701U
Application number: CN202222037107.6U
Authority: CN
Inventors: 林文波; 易致桦; 郑海峰
Original assignee: Fujian Huagai Machinery Manufacture Co ltd
Current assignee: Fujian Huagai Machinery Manufacture Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-06
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a high accuracy bolt processing location clamping device belongs to fastener technical field, including the grip slipper, install the connection pad in the grip slipper, sliding connection has a plurality ofly to carry out the clamp splice of pressing with the screw rod on the connection pad, the clamp splice is provided with the screw thread tooth with screw rod screw thread tooth looks joint, be provided with in the grip slipper and promote a plurality of clamp splices and carry out gliding drive assembly one, it is provided with the ejector pad driven by drive assembly two to slide in the grip slipper. The utility model discloses a high accuracy bolt processing location clamping device avoids directly to the protruding department direct support of thread to press, reduces the probability that thread warp, and can eliminate the clearance that produces between clamp splice thread and the screw rod thread, improves the positional stability of screw rod, ensures the accuracy nature of follow-up processing.

Description

High-precision bolt machining, positioning and clamping device

Technical Field

The utility model relates to a fastener technical field specifically is high accuracy bolt processing location clamping device.

Background

The bolt is a matched nut or a cylindrical threaded fastener matched and connected with a machine body in a threaded mode, is used for fixing more than two parts together, is a fastening mode which is necessary to be used by all mechanical equipment and buildings in the world, almost reaches all parts of production life in the universality, and the combination of the bolt and the nut also occupies a main part in threaded connection.

The utility model Chinese patent with publication number CN209251773U introduces a clamping device for bolt production and processing, includes: the device comprises a main body frame, an adjusting connecting rod and a driving mechanism; a hexagonal bolt sleeve is fixed at the end of the main body frame through an end seat, the side surfaces of the hexagonal bolt sleeve are provided with adjusting sleeve openings penetrating through the hexagonal bolt sleeve, and clamping convex blocks are embedded in the adjusting sleeve openings in a sliding manner; the adjusting connecting rods are arranged in a plurality of positions, and the adjusting connecting rods are fixed on the outer side of the main body frame in a rotating mode through the hinge seats at equal angles.

The problem of solving among the above-mentioned scheme, through a plurality of adjusting connecting rods of actuating mechanism synchronous action, a plurality of centre gripping lugs on the hexagon bolt sleeve of a plurality of adjusting connecting rods synchronous action for a plurality of centre gripping lugs are fixed clamp tightly to the automation to hexagon bolt sleeve centre of a circle position department removal in step, satisfy the bolt centre gripping processing needs of different specifications, fixed more stable, difficult crooked, convenient operation improves work efficiency.

However, when the head of the bolt is customized, the screw of the bolt needs to be clamped, but the bolt and the screw are clamped by the clamping lug, and when the screw has a thread, the thread is easily deformed or damaged by the clamping force of the clamping lug, so that the bolt cannot be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the prior art, and the high accuracy bolt processing location clamping device who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

high accuracy bolt processing location clamping device, including the grip slipper, install the connection pad in the grip slipper, sliding connection has a plurality ofly to carry out the clamp splice of pressing with the screw rod on the connection pad, the clamp splice is provided with the screw thread tooth with screw rod screw thread tooth looks joint, be provided with in the grip slipper and promote a plurality of clamp splices and carry out gliding drive assembly one, it is provided with the ejector pad by drive assembly two driven to slide in the grip slipper.

By adopting the technical scheme, when the screw rod needs to be clamped, the screw rod is stretched into the space between the clamping blocks, the first actuating driving assembly is actuated, the clamping blocks slide towards the direction close to each other, the thread on the clamping blocks slides into the concave part of the thread on the screw rod, the screw rod cannot directly slide out to the space between the clamping blocks, then the actuating driving assembly enables the pushing block to slide, the pushing block pushes the screw rod until the inclined plane of the thread on the screw rod can be abutted against the inclined plane of the thread on the clamping blocks, the clamping of the screw rod is completed, the mode avoids directly abutting against the convex part of the thread, the probability of deformation of the thread is reduced, the gap between the thread on the clamping blocks and the thread on the screw rod can be eliminated, the position stability of the screw rod is improved, and the accuracy of subsequent processing is ensured.

The utility model discloses further set up to: the first driving assembly comprises a first air cylinder, a movable disc and a plurality of inclined guide pillars extending on the movable disc, the first air cylinder is installed in the clamping seat, the movable disc is installed on the piston end of the first air cylinder, and inclined guide openings connected with the inclined guide pillars in a sliding mode are formed in the clamping blocks.

Through adopting above-mentioned technical scheme, change the position of activity dish and oblique guide pillar through cylinder one, utilize the inclined plane of oblique guide pillar and the inclined plane of oblique guide opening, the clamp splice can slide along the connection pad to the realization is to the centre gripping of screw rod.

The utility model discloses further set up to: when the clamping blocks slide towards the direction away from each other, the movable disc slides towards the direction away from the clamping blocks.

Through adopting above-mentioned technical scheme, the operator can make the activity dish slide towards the direction of keeping away from the clamp splice, until oblique guide pillar follow oblique guide intraoral roll-off, remove the connection between activity dish and the clamp splice, the operator can be with the clamp splice roll-off from the connection pad, accomplish the dismantlement to the clamp splice, can change the clamp splice fast like this, increase the operation convenience.

The utility model discloses further set up to: when the end, far away from each other, of each clamping block is abutted against the connecting disc, the inclined guide post just extends out of the inclined guide opening completely.

Through adopting above-mentioned technical scheme, make things convenient for the operator to learn when the installation clamp splice, the clamp splice needs to slide to the position of connecting seat to operation convenience when improving the operator installation.

The utility model discloses further set up to: the second driving assembly comprises a second air cylinder installed in the clamping seat, and the pushing block is installed on the piston end of the second air cylinder.

Through adopting above-mentioned technical scheme, make the ejector pad keep supporting the pressure to the screw rod through cylinder two, and then increase the position accuracy nature of screw rod.

The utility model discloses further set up to: the shaping has the guide way in the grip slipper, the shaping of activity dish has the direction protruding with guide way sliding connection.

Through adopting above-mentioned technical scheme, utilize the protruding cooperation of guide way and direction, stability when can increase the sliding of activity dish, and then can increase the stability to bolt centre gripping location.

To sum up, the utility model discloses following beneficial effect has:

the inclined plane of the thread on the screw rod and the inclined plane of the thread on the clamping block are kept in butt joint, clamping of the screw rod is achieved, direct abutting of the protruding portion of the thread is avoided, probability of deformation of the thread is reduced, a gap generated between the thread of the clamping block and the thread of the screw rod can be eliminated, position stability of the screw rod is improved, and accuracy of follow-up machining is guaranteed.

The operator can change the clamp splice fast, realizes carrying out the centre gripping to the screw rod of different thread specifications, increases clamping device suitability to increase the operation convenience.

Drawings

Fig. 1 is a schematic structural view of a positioning and clamping device for high-precision bolt machining provided by the present invention;

FIG. 2 is a schematic structural view of the holder of the present invention;

FIG. 3 is a schematic structural view between the connection plate and the movable plate of the present invention;

FIG. 4 is a schematic structural view of the connection pad of the present invention;

fig. 5 is a schematic structural view between the clamping block and the oblique guide pillar of the present invention.

In the figure: 1. a clamping seat; 2. a connecting disc; 3. a clamping block; 4. a movable tray; 5. an inclined guide post; 6. an oblique guide port; 7. a first cylinder; 8. a second air cylinder; 9. pushing a block; 10. a guide groove; 11. and a guide projection.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention.

High accuracy bolt processing location clamping device, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, including grip slipper 1, install connection pad 2 in the grip slipper 1, sliding connection has a plurality of clamp splice 3 that support with the screw rod and press on connection pad 2, clamp splice 3 can slide along connection pad 2, and clamp splice 3 is provided with the screw thread that is connected with screw thread mutually, and the screw thread specification of screw rod is unanimous with the screw thread specification of clamp splice 3, wherein be provided with drive assembly one in the grip slipper 1, drive assembly one includes cylinder 7, activity dish 4 and extends a plurality of guide pillar 5 that inclines on activity dish 4, cylinder 7 is installed in grip slipper 1, activity dish 4 is installed on the piston end of cylinder 7, make activity dish 4 can slide under the effect of cylinder 7 like this, and clamp splice 3 offers the oblique guide mouth 6 with guide pillar 5 sliding connection.

When needs carry out preliminary centre gripping to the bolt, stretch into the screw rod to between a plurality of clamp splice 3, actuating cylinder 7 after that, make activity dish 4 and oblique guide pillar 5 slide towards the direction that is close to clamp splice 3, utilize the inclined plane of oblique guide pillar 5 and the inclined plane of oblique guide opening 6, a plurality of clamp splice 3 can slide towards the direction that is close to each other along connection pad 2, until the screw thread on the clamp splice 3 slides in the sunken department of screw thread on the screw rod, make the unable direct roll-off of screw rod to between a plurality of clamp splice 3, accomplish the preliminary centre gripping to the screw rod from this moment.

As shown in fig. 2 and 3, the shaping has guide way 10 in the grip slipper 1, the shaping of activity dish 4 has the protruding 11 of direction with guide way 10 sliding connection, utilize the cooperation of guide way 10 and the protruding 11 of direction, stability when can increasing the slip of activity dish 4, and then can increase the stability to bolt centre gripping location, it is provided with the ejector pad 9 by two driven drive assembly to slide in the grip slipper 1, two cylinders 8 of installing in grip slipper 1 are drawn together to the drive assembly, ejector pad 9 is installed on the piston end of two cylinders 8, ejector pad 9 can slide under two 8 effects of cylinder like this.

When the bolt is completely clamped, the second cylinder 8 is actuated, so that the push block 9 slides and is abutted to the screw rod until the inclined plane of the thread on the screw rod can be abutted to the inclined plane of the thread on the clamping block 3, and clamping of the screw rod is completed.

The clamping blocks 3 of different specifications of screw threads can be replaced by an operator, clamping of screw rods of different specifications of the screw threads is achieved, the applicability of the clamping device is improved, when different clamping blocks 3 need to be replaced, the first air cylinder 7 is actuated, the movable disc 4 and the inclined guide post 5 slide towards the direction far away from the clamping blocks 3, the clamping blocks 3 can slide towards the direction far away from each other until one ends, far away from each other, of the clamping blocks 3 are abutted to the connecting disc 2, the inclined guide post 5 completely slides out of the inclined guide opening 6, the operator can directly slide the clamping blocks 3 out of the connecting seat to complete dismounting of the clamping blocks 3, then the clamping blocks 3 of the required specifications slide onto the connecting seat, one ends, far away from each other, of the clamping blocks 3 are abutted to the connecting seat, then the first air cylinder 7 is actuated to enable the movable disc 4 and the inclined guide post 5 to slide towards the direction close to the clamping blocks 3 until the inclined guide post 5 slides into the inclined guide opening 6, and connection of the clamping blocks 3 is completed, and operation convenience of the operator can be improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. High accuracy bolt processing location clamping device, including grip slipper (1), its characterized in that: install connection pad (2) in holder (1), sliding connection has a plurality of clamp splice (3) that support the pressure with the screw rod on connection pad (2), clamp splice (3) are provided with the screw thread of joint mutually with screw rod screw thread, be provided with in holder (1) and promote a plurality of clamp splices (3) and carry out gliding drive assembly one, it is provided with ejector pad (9) by drive assembly two driven to slide in holder (1).

2. The high-precision bolt machining, positioning and clamping device of claim 1, is characterized in that: the first driving assembly comprises a first cylinder (7), a movable disc (4) and a plurality of inclined guide pillars (5) extending on the movable disc (4), the first cylinder (7) is installed in the clamping seat (1), the movable disc (4) is installed on the piston end of the first cylinder (7), and the clamping block (3) is provided with inclined guide openings (6) in sliding connection with the inclined guide pillars (5).

3. The high-precision bolt machining, positioning and clamping device of claim 2, is characterized in that: when the clamping blocks (3) slide towards the direction away from each other, the movable disc (4) slides towards the direction away from the clamping blocks (3).

4. The high-precision bolt machining, positioning and clamping device of claim 3, is characterized in that: when the end, far away from each other, of each clamping block (3) is abutted against the connecting disc (2), the inclined guide post (5) just extends out of the inclined guide opening (6) completely.

5. The high-precision bolt machining, positioning and clamping device of claim 1, is characterized in that: the second driving assembly comprises a second air cylinder (8) installed in the clamping seat (1), and the push block (9) is installed on the piston end of the second air cylinder (8).

6. The high-precision bolt machining, positioning and clamping device of claim 2, is characterized in that: a guide groove (10) is formed in the clamping seat (1), and a guide protrusion (11) which is connected with the guide groove (10) in a sliding mode is formed in the movable disc (4).