CN213591910U

CN213591910U - Broaching machine aluminum disc clamping tool

Info

Publication number: CN213591910U
Application number: CN202021863230.8U
Authority: CN
Inventors: 崔恒伟; 张剑波; 王子旺
Original assignee: Ceg Motor Suzhou Co ltd
Current assignee: Ceg Motor Suzhou Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-07-02
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a broaching machine aluminum disc clamping tool, which comprises a fixed disc, a movable disc, a cambered surface clamping block, an end surface clamping block, a conical block, a movable cylinder and an end surface fastening driving piece, wherein the movable disc and the fixed disc linearly move under the driving of the movable cylinder; the top side of the movable disc is provided with at least three groups of limiting grooves, the cambered surface clamping blocks are matched in the limiting grooves in a one-to-one correspondence manner, a limiting cavity which can be communicated with the limiting grooves is also arranged in the movable disc, the bottom end of the cambered surface clamping block is connected with a driving block, and the conical surface side wall of the conical block is in sliding connection with the driving block; the top that the cambered surface pressed from both sides tight piece is equipped with the spread groove, and the one end that the terminal surface pressed from both sides tight piece is equipped with spacing connecting block in the spread groove, and the one end that the connecting block stretches out the spread groove can be pressed from both sides the terminal surface at the aluminium dish towards the movable disk motion under the drive of terminal surface fastening driving piece, the utility model discloses can prevent to wait to process the aluminium dish and drop under the condition that does not have artificial interference, and the frock before the change of doing needs the manual work to go hand product current situation.

Description

Broaching machine aluminum disc clamping tool

Technical Field

The utility model relates to a clamping frock, especially a broaching machine aluminium tray clamping frock.

Background

Broaching machines are machine tools for machining through holes, planes and formed surfaces of workpieces by using broaches as cutters, the broaching can obtain higher dimensional accuracy and smaller surface roughness, the productivity is high, the broaching machines are suitable for mass production, most of the broaching machines only have the main motion of linear broaching by the broaches and do not have the feeding motion, an inner broaching machine is used for broaching inner surfaces such as spline holes or square holes, the workpieces are attached to end plates or placed on a platform, a transmission device drives the broaches to do linear motion, and the broaches are conveyed by a main slide carriage and an auxiliary slide carriage; however, the existing broaching machine generally still adopts manual positioning, and for the bedroom broaching machine, after the processing is completed, the workpiece can directly fall off, so that the workpiece can be damaged, and the positioning is time-consuming and labor-consuming.

Therefore, there is an urgent need for a clamping tool for aluminum discs of a broaching machine, which can prevent the aluminum discs to be processed from falling off without human interference and can also change the current situation that the previous tool needs to manually hold the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a broaching machine aluminium tray clamping frock can prevent to wait to process the aluminium tray and drop under the condition that does not have artificial interference, and the frock before the change of doing needs the manual work to go hand product current situation.

The utility model provides a following technical scheme:

a broaching machine aluminum disc clamping tool comprises a fixed disc, a movable disc, cambered surface clamping blocks, end surface clamping blocks, conical blocks, a movable air cylinder and an end surface fastening driving piece, wherein at least two groups of guide rods are fixed on the bottom side of the movable disc; the top side of the movable disc is provided with at least three groups of limiting grooves, the cambered surface clamping blocks are matched in the limiting grooves in a one-to-one correspondence manner and can be clamped on the cambered side surface of the aluminum disc along the limiting grooves towards the center of the movable disc, a limiting cavity communicated with the limiting grooves is further arranged in the movable disc, the bottom ends of the cambered surface clamping blocks extend into the limiting cavity and are connected with driving blocks, the end with the smaller diameter of the conical block is fixed at the center of the fixed disc, the end with the larger diameter of the conical block can extend into the limiting cavity, the side wall of the conical surface of the conical block is in sliding connection with the driving blocks, and the cambered surface clamping blocks can synchronously move towards or away from the center of; the top that the cambered surface pressed from both sides tight piece is equipped with the spread groove, and the one end that the terminal surface pressed from both sides tight piece is equipped with the connecting block of spacing in the spread groove, and the one end that the connecting block stretches out the spread groove can be under the drive of terminal surface fastening driving piece towards the movable disc motion and press from both sides the terminal surface tight at the aluminium disc.

Preferably, one side that the terminal surface presss from both sides tight piece towards the movable disc is equipped with the crimping plane, and the one end that the crimping plane kept away from the terminal surface presss from both sides tight piece still is equipped with the direction inclined plane of keeping away from the slope of aluminum plate.

Preferably, the end face fastening driving piece comprises a motor and a screw rod, the motor is installed on the cambered surface clamping block, and the movable end of the motor can drive the screw rod which is in threaded connection with the connecting block to rotate.

Preferably, a sliding groove is formed in the limiting groove, and a sliding strip which can be in sliding fit with the sliding groove is arranged at the bottom end of the cambered surface clamping block.

Preferably, the limiting grooves are evenly distributed around the center of the movable disc.

Preferably, the center of the movable disc, the conical block and the fixed disc is provided with a through hole which can be concentric with the clamped aluminum disc and through which the broach can penetrate.

The utility model has the advantages that: when the aluminum disc needs to be clamped to pull the spline, the aluminum disc can be placed on the end face of the movable disc, the distance between the end face clamping block and the end face of the movable disc can be adjusted according to the thickness of the aluminum disc, the movable disc can be pulled to move towards the fixed disc through the guide rod after the movable cylinder is started, the driving block can slide along the side wall of the conical surface of the conical block at the moment, and the longitudinal movement of the driving block is limited by the limiting groove and the limiting cavity, so that the driving block can move along the limiting groove away from the center of the movable disc under the driving of the conical block, the process of loosening a workpiece is completed, automatic centering is achieved, the aluminum disc to be machined can be prevented from falling off under the condition of no human interference, the problem that the existing state of a product needs to be manually held by hands by a previous tool can also be changed, time and labor are saved, and the clamping between the end face.

Drawings

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

FIG. 1 is a sectional view of the aluminum plate clamping structure of the present invention;

FIG. 2 is a sectional view of the aluminum plate of the present invention when it is released;

FIG. 3 is a schematic structural view of the movable plate;

notation in the figure: the device comprises a fixed disc 1, a movable disc 2, an arc-surface clamping block 3, an end-surface clamping block 4, a conical block 5, a movable cylinder 6, an end-surface fastening driving piece 7, a guide rod 8, a guide groove 9, an aluminum disc 10, a limiting groove 11, a limiting cavity 12, a driving block 13, a connecting block 14, a crimping plane 15, a guide inclined plane 16, a sliding groove 17, a sliding strip 18, a through hole 19, a motor 71 and a lead screw 72.

Detailed Description

With reference to fig. 1 to 3, in this embodiment, the aluminum disc clamping tool for a broaching machine includes a fixed disc 1, a movable disc 2, an arc surface clamping block 3, an end surface clamping block 4, a conical block 5, a movable cylinder 6, and an end surface fastening driving member 7, wherein at least two groups of guide rods 8 are fixed on the bottom side of the movable disc 2, a guide groove 9 capable of being in guide fit with the guide rods 8 is formed in the top side of the fixed disc 1, the movable cylinder 6 is installed at the bottom of the guide groove 9, and the movable end of the movable cylinder is connected with the guide rods 8; at least three groups of limiting grooves 11 are arranged on the top side of the movable disc 2, the cambered surface clamping blocks 3 are correspondingly matched in the limiting grooves 11 one by one and can be clamped on the cambered side surface of the aluminum disc 10 along the limiting grooves 11 towards the center of the movable disc 2, a limiting cavity 12 communicated with the limiting grooves 11 is also arranged in the movable disc 2, the bottom end of the cambered surface clamping block 3 extends into the limiting cavity 12 and is connected with a driving block 13, the smaller diameter end of the conical block 5 is fixed at the center of the fixed disc 1, and the larger diameter end of the conical block can extend into the limiting cavity 12, the side wall of the conical surface is connected with the driving block 13 in a sliding way, in the embodiment, the end part of the driving block 13 is provided with an inclined slide rail with the same inclined angle with the conical surface, and the outer side of the conical surface is provided with an inclined sliding chute which can slide along the inclined angle of the conical surface with the inclined sliding rail, so the cambered surface clamping block 3 can synchronously move towards or away from the center of the movable disc 2 under the driving of the conical block 5; the top end of the cambered surface clamping block 3 is provided with a connecting groove, one end of the end surface clamping block 4 is provided with a connecting block 14 limited in the connecting groove, and one end of the connecting block 14 extending out of the connecting groove can move towards the movable disc 2 under the driving of the end surface fastening driving piece 7 to be clamped on the end surface of the aluminum disc 10;

a crimping plane 15 is arranged on one side, facing the movable disc 2, of the end face clamping block 4, and a guide inclined plane 16 inclined away from the aluminum disc 10 is further arranged at one end, away from the end face clamping block 4, of the crimping plane 15, so that auxiliary guide in the process of clamping the aluminum disc to the inner side of the crimping plane can be realized;

the end face fastening driving piece 7 comprises a motor 71 and a screw rod 72, the motor 71 is arranged on the cambered surface clamping block 3, and the movable end of the motor can drive the screw rod 72 which is in threaded connection with the connecting block 14 to rotate;

a sliding groove 17 is arranged in the limiting groove 11, and a sliding strip 18 which can be in sliding fit with the sliding groove 17 is arranged at the bottom end of the cambered surface clamping block 3;

the limiting grooves 11 are uniformly distributed around the center of the movable disc 2;

the centers of the movable disc 2, the conical block 5 and the fixed disc are provided with a through hole 19 which can be concentric with the clamped aluminum disc 10 and through which a broach can penetrate.

The utility model discloses a theory of operation is: when the aluminum disc 10 needs to be clamped for spline drawing, the aluminum disc 10 can be arranged on the end face side of the movable disc 2 in the end face clamping block, the distance between the end face clamping block 4 and the end face of the movable disc 2 can be adjusted according to the thickness of the aluminum disc 10, after the movable cylinder 6 is started, the movable disc 2 can be pulled by the guide rod 8 to move towards the fixed disc 1, at the moment, the driving block 13 can slide along the side wall of the conical face of the conical block 5, the longitudinal movement of the driving block 13 is limited by the limiting groove 11 and the limiting cavity 12, therefore, the driving block 13 can move along the limiting groove 11 under the driving of the conical block 5 and away from the center of the movable disc 2 along the limiting groove 11, the process of loosening a workpiece is completed, automatic centering is achieved, the aluminum disc 10 to be processed can be prevented from falling off under the condition of no human interference, the problem that the existing situation that a previous tool needs to manually remove a hand-, and the clamping between the end surface and the arc-shaped side wall is more stable and reliable.

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 modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. The broaching machine aluminum disc clamping tool is characterized by comprising a fixed disc, a movable disc, an arc surface clamping block, an end surface clamping block, a conical block, a movable air cylinder and an end surface fastening driving piece, wherein at least two groups of guide rods are fixed on the bottom side of the movable disc, a guide groove capable of being in guide fit with the guide rods is arranged on the top side of the fixed disc, the movable air cylinder is arranged at the bottom of the guide groove, and the movable end of the movable air cylinder is connected with the guide rods;

the top side of the movable disc is provided with at least three groups of limiting grooves, the cambered surface clamping blocks are matched in the limiting grooves in a one-to-one correspondence manner and can be clamped on the arc-shaped side face of the aluminum disc along the limiting grooves towards the center of the movable disc, a limiting cavity communicated with the limiting grooves is further arranged in the movable disc, the bottom ends of the cambered surface clamping blocks extend into the limiting cavity and are connected with a driving block, the smaller end of the conical block is fixed at the center of the fixed disc, the larger end of the conical block can extend into the limiting cavity, the conical surface side wall of the conical surface clamping block is in sliding connection with the driving block, and the cambered surface clamping blocks can synchronously move towards or away from the center of the movable disc under the driving of the conical block;

the top that the cambered surface pressed from both sides tight piece is equipped with the spread groove, the one end that the terminal surface pressed from both sides tight piece is equipped with the connecting block of spacing in the spread groove, just the connecting block stretches out the one end of spread groove can the drive of terminal surface fastening driving piece is down towards the movable disk motion presss from both sides the terminal surface tight at the aluminium dish.

2. The broaching machine aluminum disc clamping tool according to claim 1, wherein a crimping plane is arranged on one side, facing the movable disc, of the end face clamping block, and a guide inclined plane away from the aluminum disc is further arranged at one end, away from the end face clamping block, of the crimping plane.

3. The broaching machine aluminum disc clamping tool according to claim 1, wherein the end face fastening driving piece comprises a motor and a screw rod, the motor is mounted on the cambered surface clamping block, and the movable end of the motor can drive the screw rod which is in threaded connection with a connecting block to rotate.

4. The broaching machine aluminum disc clamping tool according to claim 1, wherein a sliding groove is formed in the limiting groove, and a sliding strip which is in sliding fit with the sliding groove is arranged at the bottom end of the cambered surface clamping block.

5. The broaching machine aluminum disc clamping tool according to claim 1, wherein the limiting grooves are uniformly distributed around the center of the movable disc.

6. The broaching machine aluminum disc clamping tool according to claim 1, wherein through holes which are concentric with the clamped aluminum disc and through which a broaching tool can penetrate out are formed in the centers of the movable disc, the conical block and the fixed disc.