CN216541983U

CN216541983U - Quick clamping positioning plate for machining

Info

Publication number: CN216541983U
Application number: CN202122571158.2U
Authority: CN
Inventors: 王双鹏
Original assignee: Changshu Aosheng Automobile Mould Co ltd
Current assignee: Changshu Aosheng Automobile Mould Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-17
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a quick clamping positioning plate for machining, which comprises a base, wherein a mounting groove is formed in the base, a motor is fixed on one side of the mounting groove, a threaded rod is fixedly connected to an output shaft of the motor, a movable clamping seat is connected to the outer wall of the threaded rod in a threaded manner, a first positioning mechanism is fixedly connected to the top of the movable clamping seat, a second positioning mechanism is fixedly installed on one side of the top of the base, and the first positioning mechanism and the second positioning mechanism are symmetrically arranged. The utility model firstly rotates the positioning splint by 180 degrees, then screws on the pins and the pins to realize quick clamping, then resets the positioning splint and arranges the positioning splint in the right-angle seat, pins on the positions of the screw holes and the pin holes of the positioning splint and the processed workpiece and screws on the pins and the pins, thereby realizing quick clamping and positioning, ensuring the precision and the quality of the processed insert and greatly improving the processing efficiency of the same piece.

Description

Quick clamping positioning plate for machining

Technical Field

The utility model relates to the technical field of numerical control machining, in particular to a quick clamping positioning plate for machining.

Background

Clamping is that before a workpiece is machined, the workpiece must be made to occupy a certain correct position on a machine tool or in a clamp, the process is called positioning, in order to prevent the positioned workpiece from displacing under the action of cutting force and keep the workpiece at the correct position all the time in the machining process, the workpiece needs to be pressed and clamped firmly, the process is called clamping, and the whole process of positioning and clamping is called clamping together.

When the die steel block is machined, particularly a vehicle body die, the three-dimensional shape of the die steel block is complex, clamping is difficult, secondary clamping and the same part are machined, the difference is large, interchangeability is not good, and parts are often scrapped due to the fact that machining accuracy is not in place. Greatly increasing the processing cost and time cost of enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick clamping positioning plate for machining, and aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: quick clamping locating plate is used in processing, the on-line screen storage device comprises a base, the inside of base is equipped with the mounting groove, one side of mounting groove is fixed with the motor, the output shaft fixedly connected with threaded rod of motor, the outer wall threaded connection of threaded rod has the removal clamping seat, the first positioning mechanism of top fixedly connected with of removal clamping seat, top one side fixed mounting of base has the second positioning mechanism, first positioning mechanism is the symmetry setting with the second positioning mechanism.

Further, the first positioning mechanism comprises a fixed plate, an upper movable rod and a lower movable rod are respectively arranged at the upper end and the lower end of the fixed plate in a penetrating manner, one end of each of the upper movable rod and the lower movable rod is fixedly provided with the same baffle, the other ends of the upper movable rod and the lower movable rod are both fixedly connected with a buffer part, the upper movable rod is rotatably connected with a rotating shaft through the buffer parts, the tail end of the rotating shaft is rotatably connected with a positioning clamp plate, the positioning clamp plate is C-shaped, the lower movable rod is fixedly connected with a sliding block through the buffer parts, a right-angle seat is arranged below the positioning clamp plate, a sliding groove is formed in one side, close to the fixed plate, of the right-angle seat and is matched with the sliding block, a reset spring is connected between the sliding block and the top of the inner side of the sliding groove, when the first positioning clamp plate is rotated by 180 degrees, then a screw is screwed on the pin to realize quick clamping, then the positioning clamping plate is rotated by 180 degrees again, so that the lower end of the positioning clamping plate is arranged in the right-angle seat, and the right-angle seat is in close contact with the lower end of the positioning clamping plate under the action of the reset spring.

Further, the bolster includes the limiting plate of fixed connection in last movable rod and lower movable rod end, be connected with buffer spring between limiting plate and the fixed plate, through buffer spring pressurized contraction when the centre gripping work piece, and then the buffering consumes the impact force of partly location splint to the work piece to increase of service life.

Further, set up a plurality of pin hole and the screw hole that is the array arrangement on the locating splint, just pin hole and screw hole interval set up, frock benchmark hole has all been seted up in locating splint's four corners, goes up the dowel and screws up on locating splint and the screw hole and the pin hole position round pin of being processed the work piece same position to realize quick clamping location, when guaranteeing processing insert precision and quality, increase substantially the machining efficiency of the same piece.

Furthermore, the top of the positioning clamp plate is rotatably connected with an adjusting screw rod, the bottom of the adjusting screw rod is rotatably connected with a pressing plate, and the adjusting screw rod drives the pressing plate to move downwards to fix the workpiece again by rotating the adjusting screw rod.

Furthermore, the first positioning mechanism and the second positioning mechanism are identical in size and structure, and the first positioning mechanism is matched with the second positioning mechanism to clamp the workpiece.

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

1. by arranging the positioning mechanism, during work, the positioning clamp plate is firstly rotated by 180 degrees, the pin and the bolt are inserted and screwed at the screw hole and the pin hole at the same position of the positioning clamp plate and a workpiece to be processed, so that rapid clamping and positioning are realized, the processing efficiency of the same workpiece is greatly improved while the accuracy and the quality of the processing insert are ensured, then the positioning clamp plate is rotated by 180 degrees again, the lower end of the positioning clamp plate is placed in the right-angle seat, the right-angle seat is in close contact with the lower end of the positioning clamp plate under the action of the reset spring, so that the positioning clamp plate is limited, the adjusting screw rod is rotated, and the adjusting screw rod drives the pressing plate to move downwards to fix the workpiece again;

2. according to the utility model, by arranging the buffer piece, the buffer spring is compressed and contracted when clamping the workpiece, so that the impact force of a part of the positioning clamping plate on the workpiece is buffered and consumed, and the service life is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

FIG. 3 is an enlarged view of the structure of FIG. 2B;

FIG. 4 is a side view of the alignment splint of the present invention;

in the figure: 1. a base; 2. mounting grooves; 3. a threaded rod; 4. moving the clamping seat; 5. a first positioning mechanism; 51. a fixing plate; 52. an upper movable rod; 53. a movable rod is lowered; 54. a baffle plate; 55. a buffer member; 551. a limiting plate; 552. a buffer spring; 56. a rotating shaft; 57. positioning the clamping plate; 571. a pin hole; 572. a screw hole; 573. a tooling datum hole; 58. a slider; 59. a right-angle seat; 510. a chute; 511. a return spring; 512. adjusting the screw rod; 513. pressing a plate; 6. a second positioning mechanism; 7. an electric motor.

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, the utility model provides a quick clamping positioning plate for machining, which comprises a base 1, wherein a mounting groove 2 is formed in the base 1, a motor 7 is fixed on one side of the mounting groove 2, an output shaft of the motor 7 is fixedly connected with a threaded rod 3, the outer wall of the threaded rod 3 is in threaded connection with a movable clamping seat 4, the top of the movable clamping seat 4 is fixedly connected with a first positioning mechanism 5, one side of the top of the base 1 is fixedly provided with a second positioning mechanism 6, and the first positioning mechanism 5 and the second positioning mechanism 6 are symmetrically arranged.

In a preferred embodiment, the first positioning mechanism 5 includes a fixed plate 51, an upper movable rod 52 and a lower movable rod 53 are respectively disposed at the upper end and the lower end of the fixed plate 51 in a penetrating manner, a same baffle 54 is fixedly mounted at one end of the upper movable rod 52 and one end of the lower movable rod 53, buffer members 55 are fixedly connected to the other ends of the upper movable rod 52 and the lower movable rod 53, the upper movable rod 52 is rotatably connected with a rotating shaft 56 through the buffer members 55, a positioning clamp plate 57 is rotatably connected to the end of the rotating shaft 56, the positioning clamp plate 57 is "C" -shaped, a slider 58 is fixedly connected to the lower movable rod 53 through the buffer members 55, a right-angle seat 59 is disposed below the positioning clamp plate 57, a sliding groove 510 is disposed at one side of the right-angle seat 59 close to the fixed plate 51, the sliding groove 510 is adapted to the slider 58, and a return spring 511 is connected between the slider 58 and the top of the inside of the sliding groove 510, during operation, the positioning clamp plate 57 is rotated by 180 degrees, then the pin is screwed on the pin to realize quick clamping, then the positioning clamp plate 57 is rotated by 180 degrees again, so that the lower end of the positioning clamp plate 57 is arranged in the right-angle seat 59, and under the action force of the return spring 511, the right-angle seat 59 is in close contact with the lower end of the positioning clamp plate 57.

In a preferred embodiment, the buffer member 55 comprises a limit plate 551 fixedly connected to the ends of the upper movable rod 52 and the lower movable rod 53, and a buffer spring 552 is connected between the limit plate 551 and the fixed plate 51, and is compressed and contracted when clamping a workpiece through the buffer spring 552, so as to buffer and consume a part of the impact force of the positioning clamp plate 57 on the workpiece, thereby prolonging the service life.

In a preferred embodiment, the positioning clamp plate 57 is provided with a plurality of pin holes 571 and screw holes 572 arranged in an array, the pin holes 571 and the screw holes 572 are arranged at intervals, four corners of the positioning clamp plate 57 are provided with tooling reference holes 573, and the positioning clamp plate 57 is pinned and screwed with screws at the positions of the screw holes and the pin holes at the same positions as the workpiece to be machined, so that quick clamping and positioning are realized, and the machining efficiency of the same workpiece is greatly improved while the precision and quality of the machining insert are ensured.

In a preferred embodiment, the top of the positioning clamp plate 57 is rotatably connected with an adjusting screw 512, the bottom of the adjusting screw 512 is rotatably connected with a pressing plate 513, and by rotating the adjusting screw 512, the adjusting screw 512 drives the pressing plate 513 to move downwards to fix the workpiece again.

In a preferred embodiment, the first positioning mechanism 5 and the second positioning mechanism 6 have the same size and structure, and the first positioning mechanism 5 and the second positioning mechanism 6 are matched to clamp a workpiece.

The working principle of the utility model is as follows: when the fixture works, the positioning clamp plate 57 is firstly rotated by 180 degrees, the screw holes and the pin hole positions of the positioning clamp plate 57 and the workpiece to be processed are pinned and screwed, so that rapid clamping and positioning are realized, the processing efficiency of the same workpiece is greatly improved while the accuracy and the quality of the processing insert are ensured, then the positioning clamp plate 57 is rotated by 180 degrees again, the lower end of the positioning clamp plate 57 is placed in the right-angle seat 59, the right-angle seat 59 is in close contact with the lower end of the positioning clamp plate 57 under the action of the reset spring 511, so that the positioning clamp plate 57 is limited, the adjusting screw 512 is rotated, the adjusting screw 512 drives the pressing plate 513 to move downwards to fix the workpiece again, then the motor 7 is started, the motor 7 drives the threaded rod 3 to rotate, the threaded rod 3 drives the movable clamping seat 4 to move along the horizontal direction, and further the first positioning mechanism 5 and the second positioning mechanism 6 are matched for use to clamp the workpiece, the buffer spring 552 is compressed and contracted when clamping the workpiece, so that the impact force of a part of the positioning clamping plate 57 on the workpiece is buffered and consumed, and the service life is prolonged.

It should be noted that, in this document, relational terms such as first and second, and the like are 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Quick clamping locating plate is used in processing, including base (1), its characterized in that: the inside of base (1) is equipped with mounting groove (2), one side of mounting groove (2) is fixed with motor (7), output shaft fixedly connected with threaded rod (3) of motor (7), the outer wall threaded connection of threaded rod (3) has removal clamping holder (4), remove the first positioning mechanism (5) of top fixedly connected with of clamping holder (4), top one side fixed mounting of base (1) has second positioning mechanism (6), first positioning mechanism (5) are the symmetry setting with second positioning mechanism (6).

2. The quick clamping positioning plate for machining according to claim 1, characterized in that: the first positioning mechanism (5) comprises a fixed plate (51), an upper movable rod (52) and a lower movable rod (53) are arranged at the upper end and the lower end of the fixed plate (51) in a penetrating mode respectively, one end of the upper movable rod (52) and one end of the lower movable rod (53) are fixedly provided with the same baffle (54), the other ends of the upper movable rod (52) and the lower movable rod (53) are fixedly connected with a buffer piece (55), the upper movable rod (52) is rotatably connected with a rotating shaft (56) through the buffer piece (55), the tail end of the rotating shaft (56) is rotatably connected with a positioning clamping plate (57), the positioning clamping plate (57) is C-shaped, the lower movable rod (53) is fixedly connected with a sliding block (58) through the buffer piece (55), a right-angle seat (59) is arranged below the positioning clamping plate (57), a sliding groove (510) is formed in one side, close to the fixed plate (51), of the right-angle seat (59), the sliding groove (510) is matched with the sliding block (58), and a return spring (511) is connected between the sliding block (58) and the top of the inner side of the sliding groove (510).

3. The quick clamping positioning plate for machining according to claim 2, characterized in that: the buffer piece (55) comprises a limiting plate (551) fixedly connected to the tail ends of the upper movable rod (52) and the lower movable rod (53), and a buffer spring (552) is connected between the limiting plate (551) and the fixing plate (51).

4. The quick clamping positioning plate for machining according to claim 2, characterized in that: the positioning clamp plate (57) is provided with a plurality of pin holes (571) and screw holes (572) which are arranged in an array manner, the pin holes (571) and the screw holes (572) are arranged at intervals, and four corners of the positioning clamp plate (57) are provided with tooling reference holes (573).

5. The quick clamping positioning plate for machining according to claim 2, characterized in that: the top of the positioning clamping plate (57) is rotatably connected with an adjusting screw rod (512), and the bottom of the adjusting screw rod (512) is rotatably connected with a pressing plate (513).

6. The quick clamping positioning plate for machining according to claim 1, characterized in that: the first positioning mechanism (5) and the second positioning mechanism (6) are completely the same in size and structure.