CN217044147U

CN217044147U - Rotatory hold-down mechanism of truckle tool

Info

Publication number: CN217044147U
Application number: CN202122976621.1U
Authority: CN
Inventors: 罗军建; 刘伟忠
Original assignee: Fengshun County Taiyada Industry Co ltd
Current assignee: Fengshun County Taiyada Industry Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-07-26
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a rotary pressing mechanism of a caster tool, which comprises a rotary mechanism and a pressing component; the rotating mechanism comprises a base and a rotating cylinder body; a first channel is arranged on the rotary cylinder body, a second channel is arranged on the base, and the air inlet pipeline is communicated with the exhaust pipeline; the rotary cylinder main body comprises a cylinder body and a main shaft, a piston shaft and a piston head are arranged inside the cylinder body, the piston head can slide along the inner wall of the cylinder body, a through hole is formed in the piston head, a steel ball is arranged in the through hole, and the steel ball is matched with the piston shaft; the external air enters the cylinder body through the first channel or the second channel, the piston shaft is driven by the piston head to rotate or axially move, and meanwhile, the main shaft is driven by the piston shaft to rotate or axially move around the same axis; the drive compresses tightly the subassembly and compresses tightly or keep away from the board of placing the truckle subassembly, realizes the automation mechanized operation, has improved the security of punching press when reducing hand labor power.

Description

Rotatory hold-down mechanism of truckle tool

Technical Field

The utility model relates to a truckle tool production technical field, concretely relates to rotatory hold-down mechanism of truckle tool.

Background

In the production process of the caster, the process of punching rivets can be involved, in the process of punching rivets by operating a punch press, the caster assembly needs to be placed and fixed manually, and the accident of pressing the operator can easily occur as long as the operator is careless, so that the safety of the operator is greatly threatened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at designing a rotatory hold-down mechanism of truckle tool to solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary pressing mechanism of a caster jig comprises a rotary mechanism and a pressing assembly; the rotating mechanism comprises a base and a rotating cylinder body; a first channel is arranged on the rotary cylinder body, a second channel is arranged on the base, and the first channel is communicated with the second channel; the rotary cylinder main body comprises a cylinder body and a main shaft, a piston shaft and a piston head are arranged inside the cylinder body, the piston head can slide along the inner wall of the cylinder body, a through hole is formed in the piston head, a steel ball is arranged in the through hole and matched with the piston shaft, one end of the main shaft is sleeved with the piston shaft, the main shaft is slidably connected with the piston shaft and is in rotation stopping connection with the piston shaft, the other end of the main shaft extends out of the cylinder body, and the diameter of the main shaft is larger than that of the piston shaft; one side of the pressing assembly is provided with a limiting block, and the shape of the limiting block is matched with the shape of a placing plate for placing the caster wheel.

Further, the pressing assembly comprises a pressing block and a connecting rod, one end of the connecting rod is connected with the pressing block, and the other end of the connecting rod is connected to one end, extending out of the cylinder body, of the main shaft; the limiting block is fixed on one side of the pressing block.

Furthermore, a through groove is formed in the connecting rod, threads are formed in the surface of the through groove, the pressing block is connected with a screw rod, the screw rod is matched with the threads, and nuts are connected to the bottom end of the connecting rod and the top end of the pressing block through the screw rod; the nut is used for fixing the pressing block and the connecting rod, and the phenomenon that the pressing block is not tight due to the fact that the screw rod moves in the through groove or the screw rod moves in the pressing block in the pressing process is avoided.

Furthermore, an annular bulge is arranged on the main shaft, an elastic piece is arranged between the annular bulge and the piston head, and the elastic piece is a spring.

Furthermore, two sliding grooves are formed in the main shaft and are symmetrically arranged, a positioning rod is fixed on the piston shaft and matched with the sliding grooves.

Further, a sealing ring is connected to the piston head.

Further, a guide groove is formed in the piston shaft and matched with the steel ball.

Compared with the prior art, the beneficial effects of the utility model are that:

when the air pressure reaches a preset value, the piston shaft is matched with the steel balls in the through holes of the piston head, the piston shaft rotates or moves axially, and meanwhile, the main shaft is driven by the piston shaft to rotate or move axially around the same axis; and then drive and compress tightly the subassembly and compress tightly or keep away from the board of placing the truckle subassembly, realize automated operation, utilize rotary mechanism to drive and compress tightly the subassembly and compress tightly and carry out the punching press to the truckle subassembly after placing the board of placing of truckle subassembly, improved the security of punching press when reducing the hand labor power.

The limiting block is arranged to adjust the position of the placing plate from the assembly line, so that the caster wheel assembly is fixed at the correct position to be stamped.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention including the matching part of the main shaft and the piston shaft;

FIG. 3 is a schematic view of the piston head of the present invention;

the names of the components identified in the figures are as follows:

1. a base; 2. a cylinder body; 3. a compression block; 4. a connecting rod; 5. a first channel; 6. a second channel; 7. a guide groove; 8. a main shaft; 9. a piston shaft; 10. a piston head; 11. steel balls; 12. an elastic member; 13. a screw; 14. a nut; 15. an annular projection; 16. a chute; 17. and (7) positioning the rod.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it is to be understood that only some, but not all embodiments of the present invention are described. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, a rotary pressing mechanism of a caster tool includes a rotary mechanism and a pressing assembly; the rotating mechanism comprises a base 1 and a rotating cylinder body; a first channel 5 is arranged on the rotary cylinder body, a second channel 6 is arranged on the base 1, and the first channel 5 is communicated with the second channel 6; the rotary cylinder main body comprises a cylinder body 2 and a main shaft 8, a piston shaft 9 and a piston head 10 are arranged inside the cylinder body 2, and the piston head 10 is connected with a sealing ring, so that the piston head 10 plays a role of buffering and sealing during moving up and down, the piston head 10 can slide along the inner wall of the cylinder body 2, a through hole is formed in the piston head 10, a steel ball 11 is arranged in the through hole, a guide groove 7 is formed in the piston shaft 9, and the guide groove 7 is matched with the steel ball 11; the guide groove 7 is divided into a straight line part, a direction-changing part and a direction-changing straight line part, the steel ball 11 is matched with the straight line part of the guide groove 7 and the direction-changing straight line part to enable the piston shaft 9 to move up and down, the steel ball 11 is matched with the direction-changing part of the guide groove 7 to enable the piston shaft 9 to rotate, one end of the main shaft 8 is sleeved with the piston shaft 9, the main shaft 8 is connected with the piston shaft 9 in a sliding mode, the main shaft 8 is connected with the piston shaft 9 in a rotation-stopping mode, the other end of the main shaft 8 extends out of the cylinder body 2, and the diameter of the main shaft 8 is larger than that of the piston shaft 9; an annular bulge 15 is arranged on the main shaft 8, an elastic part 12 is arranged between the annular bulge 15 and the piston head 10, and the elastic part 12 is a spring; so as to arrange. The annular bulge 15 is used for limiting the elastic part 12, compressing the elastic part 12 in the downward movement process of the main shaft 8, and enabling the main shaft 8 to recover the original position by the elastic part 12 in the upward movement process of the main shaft 8; one side that compresses tightly the subassembly is equipped with the stopper, the shape of stopper and the board shape cooperation of placing the truckle, the stopper is the rubber stopper, and the rubber stopper can have fine elasticity, avoids the stopper to cause the damage of the two at the decline in-process with the excessive friction of placing the board.

The pressing assembly comprises a pressing block 3 and a connecting rod 4, one end of the connecting rod 4 is connected with the pressing block 3, and the other end of the connecting rod 4 is connected with one end of the main shaft 8 extending out of the cylinder body 2; a through groove is formed in the connecting rod 4, threads are formed in the surface of the through groove, the pressing block 3 is connected with a screw 13, the screw 13 is matched with the threads, and nuts 14 are connected to the bottom end of the connecting rod 4 and the top end of the pressing block 3 through the screw 13; the nut 14 is used for fixing the pressing block 3 and the connecting rod 4, so that the phenomenon that the pressing block is not tight due to the fact that the screw 13 moves in the through groove or the screw 13 moves in the pressing block 3 in the pressing process is avoided; the limiting block is fixed on one side of the pressing block 3; so set up, when main shaft 8 is rotatory or reciprocate, connecting rod 4 and compact heap 3 are rotatory or reciprocate in step to compress tightly or keep away from the board of placing the truckle subassembly, the stopper can slightly adjust the position of placing the board of placing the truckle, makes the truckle subassembly can fix on the position of punching press.

Two sliding grooves 16 are formed in the main shaft 8, the sliding grooves 16 are symmetrically arranged, a positioning rod 17 is fixed on the piston shaft 9, and the positioning rod 17 is matched with the sliding grooves 16; in this arrangement, the positioning rod 17 is slidable on the slide groove 16, and when the positioning rod 17 reaches the end portion, the positioning rod 17 can move up and down the main shaft 8 together with the up and down movement of the piston shaft 9.

The working principle of the embodiment is as follows: when external air is introduced into the cylinder body 2 from the first channel 5 and discharged from the second channel 6, when the air pressure reaches a preset value, the piston shaft 9 is driven by the piston head 10 to move towards the base 1, meanwhile, the piston shaft 9 firstly makes axial motion under the matching of the linear part of the guide groove 7 and the steel ball 11, when the steel ball 11 is matched with the direction change part, the piston shaft 9 makes rotary motion, and the piston shaft 9 drives the main shaft 8 to synchronously make rotary motion, when the steel ball 11 is matched with the linear part after direction change, the piston shaft 9 stops the rotary motion, the positioning rod 17 of the direction change part of the guide groove 7 moves to the end part of the sliding groove 16 and cannot continuously slide, at the moment, the piston shaft 9 makes axial motion downwards to drive the main shaft 8 to make axial motion downwards, and compresses the spring while the main shaft 8 moves downwards, so that the action that the main shaft 8 firstly rotates and then presses downwards is realized; the connecting rod 4 rotates and moves downwards along with the main shaft 8, the compressing block 3 is compressed and placed on the placing plate of the caster wheel assembly, slight deviation possibly exists in the placing plate, the limiting block slightly adjusts the position of the placing plate at the moment, the caster wheel assembly on the placing plate is controlled to be in the correct stamping position, and then the caster wheel assembly is stamped; after punching is finished, external air enters the cylinder body 2 from the second channel 6 and is discharged from the first channel 5, when the air pressure reaches a preset value, the piston shaft 9 is driven by the piston head 10 to move towards the opposite direction of the base 1, meanwhile, the compressed spring exerts elastic force on the main shaft 8, the main shaft 8 moves upwards, the linear part of the piston shaft 9 after the guide groove 7 changes to be matched with the steel ball 11 to move upwards firstly, when the matching point of the steel ball 11 and the guide groove 7 is reached, the positioning rod 17 has moved to the other end of the sliding groove 16 and can not slide continuously, when the steel ball 11 is matched with the direction-changing part of the guide groove 7, the piston shaft 9 rotates reversely and drives the main shaft 8 to rotate reversely, when the linear part of the guide groove 7 is matched with the steel ball 11, the piston shaft 9 stops rotating and the main shaft 8 stops rotating, the piston shaft 9 moves upwards and axially under the matching of the guide groove 7 and the steel ball 11, at the moment, the positioning column moves in the range of the sliding groove 16 and does not drive the main shaft 8 to move upwards any more, so that the main shaft 8 moves upwards and then rotates, and the pressing block 3 is far away from the placing plate; automatic operation is realized in the whole process, the rotating mechanism is utilized to drive the pressing assembly to press the caster assemblies, and then the casters are stamped, so that labor force is reduced, and stamping safety is improved.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper," "lower," "left," "right," "front," "rear," and the like as used herein are for purposes of illustration only.

Claims

1. The utility model provides a rotatory hold-down mechanism of truckle tool which characterized in that: comprises a rotating mechanism and a pressing component; the rotating mechanism comprises a base and a rotating cylinder body; a first channel is arranged on the rotary cylinder body, a second channel is arranged on the base, and the first channel is communicated with the second channel; the rotary cylinder main part includes cylinder body and main shaft, the inside of cylinder body is equipped with piston shaft and piston head, the piston head can follow the inner wall of cylinder body slides, be equipped with the through-hole on the piston head, be equipped with the steel ball in the through-hole, the steel ball with the piston shaft cooperation, the one end of main shaft with the piston shaft cooperation, the other end of main shaft stretches out outside the cylinder body.

2. The rotary pressing mechanism of a caster tool according to claim 1, wherein: the pressing assembly comprises a pressing block and a connecting rod, one end of the connecting rod is connected with the pressing block, and the other end of the connecting rod is connected with one end, extending out of the cylinder body, of the main shaft.

3. The rotary pressing mechanism of a caster tool according to claim 2, wherein: the connecting rod is provided with a through groove, threads are arranged on the surface of the through groove, the pressing block is connected with a screw rod, the screw rod is matched with the threads, and nuts are connected to the bottom end of the connecting rod and the top end of the pressing block through the screw rod.

4. The rotary pressing mechanism of a caster jig according to claim 1, wherein: an annular bulge is arranged on the main shaft, and an elastic piece is arranged between the annular bulge and the piston head.

5. The rotary pressing mechanism of a caster tool according to claim 1, wherein: the main shaft is provided with two sliding grooves, the sliding grooves are symmetrically arranged, the piston shaft is fixedly provided with a positioning rod, and the positioning rod is matched with the sliding grooves.

6. The rotary pressing mechanism of a caster jig according to claim 1, wherein: and a guide groove is arranged on the piston shaft and matched with the steel ball.