CN212121741U

CN212121741U - Chain pin shaft perforating machine

Info

Publication number: CN212121741U
Application number: CN202020496149.4U
Authority: CN
Inventors: 曹永年; 张仲发; 黄奕; 郑金波; 徐艳双; 吴惠康
Original assignee: Hangzhou Unibear Industrial Co ltd
Current assignee: Hangzhou Unibear Industrial Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-12-11
Anticipated expiration: 2030-04-07

Abstract

The utility model provides a chain pin shaft perforating machine, which comprises a base, wherein a lifting device is arranged on the base, and a drilling power head for drilling a workpiece and a pressing mechanism for pressing the workpiece are arranged on the lifting device; the base is provided with a mounting seat, the mounting seat is provided with a rotary driving device and a rotary positioning block connected with the rotary driving device, the rotary positioning block is positioned below the drilling power head, and the rotary positioning block is symmetrically provided with two positioning grooves for placing and positioning workpieces; the base is also provided with a feeding mechanism which can push the workpiece into the positioning groove. The utility model discloses when punching chain round pin axle, need not manually before punching and carry out the clamping to the work piece, labour saving and time saving has improved machining efficiency.

Description

Chain pin shaft perforating machine

Technical Field

The utility model relates to a chain production technical field, in particular to chain pin axle puncher.

Background

The chain generally comprises an inner chain plate, an outer chain plate, a pin shaft and a roller. The pin shaft is an important component on the chain plate. When the pin shaft is produced, one end of the pin shaft needs to be punched for installing a cotter pin or a pin. During actual production, generally punch the round pin axle through the drilling machine, when punching, need with the work piece clamping to the frock on, then will utilize the drilling machine to punch, punch the completion back, take off the work piece, with next work piece clamping to the frock on, then continue to punch, this kind of processing mode all needs to carry out manual clamping to the work piece before punching at every turn, wastes time and energy, inefficiency.

Disclosure of Invention

The utility model aims at solving and having the time of punching to the chain round pin axle now, all need carry out manual clamping to the work piece before punching at every turn, waste time and energy, the problem of inefficiency provides a chain round pin axle puncher, can effectively solve above-mentioned problem.

The utility model aims at realizing through the following technical scheme: a chain pin shaft perforating machine comprises a base, wherein a lifting device is arranged on the base, and a drilling power head for drilling a workpiece and a pressing mechanism for pressing the workpiece are arranged on the lifting device; the base is provided with a mounting seat, the mounting seat is provided with a rotary driving device and a rotary positioning block connected with the rotary driving device, the rotary positioning block is located below the drilling power head, and two positioning grooves used for placing workpieces and positioning the workpieces are symmetrically arranged on the rotary positioning block.

The utility model discloses when punching the round pin axle, push the constant head tank on the rotatory locating piece through feed mechanism earlier, then utilize hold-down mechanism to compress tightly the work piece, and punch to the work piece through the decline of drilling unit head, punch and accomplish the back, hold-down mechanism loosens the work piece when the drilling unit head rises, then rotatory locating piece is rotatory 180 degrees under rotary drive's drive, make the constant head tank upset of opposite side to the top, and at rotatory in-process, the work piece drops and falls into corresponding work piece collection device from rotatory locating piece, then feed mechanism pushes the constant head tank with next work piece in, carry out the operation of punching of next work piece. The lifting device is used for driving the drilling power head to ascend and descend. The utility model discloses when punching chain round pin axle, need not manually before punching and carry out the clamping to the work piece, labour saving and time saving has improved machining efficiency.

Preferably, the lifting device comprises a vertically arranged guide post, a lifting plate and an upper end plate, the upper end plate is fixedly arranged at the upper end of the guide post, the lifting plate is connected to the guide post in a sliding manner, a lifting hydraulic cylinder used for driving the lifting plate to vertically move is arranged on the upper end plate, and the drilling power head is arranged below the lifting plate. The lifting plate is driven by the lifting hydraulic cylinder to vertically move, so that the drilling power head is driven to vertically move.

Preferably, the pressing mechanism comprises a pressing plate which is connected to the guide post in a sliding mode, the pressing plate is located below the lifting plate, the pressing plate is connected with the lifting plate through a first spring, and a drill bit hole is formed in the pressing plate. When the lifting plate descends, the pressing plate also descends and presses the workpiece tightly; when the lifting plate rises, the pressure plate rises along with the lifting plate and is separated from the workpiece.

Preferably, the feeding mechanism comprises a workpiece placing plate arranged on one side of the rotary positioning block, and a pushing cylinder used for pushing the workpiece into the positioning groove is arranged on one side of the workpiece placing plate. The workpieces to be processed are sequentially placed on the workpiece placing plate side by side, the pushing cylinder can push the workpieces into the positioning grooves one by one through the movement of the piston rod, and automatic feeding is achieved.

Preferably, the workpiece placing plate is disposed obliquely.

Preferably, the cross section of the positioning groove is in a V shape.

Preferably, the rotation driving device is a reduction motor.

The utility model has the advantages that: the utility model discloses when punching chain round pin axle, need not manually before punching and carry out the clamping to the work piece, labour saving and time saving has improved machining efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the rotary positioning block.

FIG. 3 is a cross-sectional view of a rotary locating block.

Fig. 4 is a schematic view of the guide groove after it is flattened.

In the figure: 1. the device comprises a base, 2, a guide post, 3, an upper end plate, 4, a lifting hydraulic cylinder, 5, a lifting plate, 6, a drilling power head, 7, a pressing plate, 8, a first spring, 9, a drill bit hole, 10, a mounting seat, 11, a rotary positioning block, 12, a workpiece placing plate, 13, a pushing cylinder, 14, a positioning groove, 15, an air blowing opening, 16, a central shaft, 17, a speed reducing motor, 18, a motor mounting plate, 19, a cylindrical cavity, 20, a piston, 21, a bump, 22, a movable guide rod, 23, a bearing, 24, a guide hole, 25, a guide groove, 26, a second spring, 27, a gas channel, 28, an inclined groove, 29 and a transition groove.

Detailed Description

The invention will be further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in fig. 1 to 4, a chain pin roll punching machine comprises a base 1, wherein a guide post 2 is arranged on the base 1. The guide posts 2 are provided with two in total. The guide posts 2 are arranged vertically. The upper end of the guide post 2 is provided with an upper end plate 3. The upper end plate 3 is arranged horizontally. The guide post 2 is connected with a lifting plate 5 in a sliding way. The lifting plate 5 is arranged horizontally. The upper end plate 3 is provided with a lifting hydraulic cylinder 4 for driving a lifting plate 5 to vertically move. The lower end of the lifting plate 5 is provided with a drilling power head 6. The drilling head 6 is of the prior art. The guide post 2 is connected with a pressing plate 7 in a sliding way. The platen 7 is vertically movable along the guide posts 2. The pressing plate 7 is located below the lifting plate 5. The pressure plate 7 is connected with the lifting plate 5 through a first spring 8. The pressure plate 7 is provided with a drill hole 9 for the drill bit on the drilling power head 6 to pass through.

The base 1 is provided with a mounting seat 10. The mounting seat 10 is provided with a rotary positioning block 11 and a speed reduction motor 17. The rotary positioning block 11 is positioned below the drilling power head 6. The reduction motor 17 is installed at one side of the installation base 10 through a motor installation plate 18. The rotary positioning block 11 is connected with a speed reducing motor 17, and the rotary positioning block 11 is driven by the speed reducing motor 17 to rotate. The rotary positioning block 17 is symmetrically provided with two positioning grooves 14 for placing and positioning the workpiece, and the cross section of each positioning groove 14 is V-shaped.

The rotary positioning block 11 is provided with a blowing mechanism for blowing away the drill cuttings in the positioning groove 14. The blowing mechanism comprises a cylindrical cavity 19 and a central shaft 16, and the cylindrical cavity 19 is arranged at the center of the rotary positioning block 11. One end of the cylindrical cavity 19 is provided with a bearing 23, one end of the central shaft 16 is connected to the bearing 13, and the other end of the central shaft 16 is fixedly connected with the mounting seat 10. The center shaft 16 is provided with a guide hole 24, and the guide hole 24 is provided along the axial direction of the center shaft 16. A piston 20 is disposed in the cylindrical chamber 19 so as to be axially movable along the cylindrical chamber 19. The piston 20 is provided with a movement guide rod 22 on a side thereof adjacent to the central shaft 16, the movement guide rod 22 being slidably coupled in a guide hole 24. The cross sections of the moving guide rod 22 and the guide hole 24 are the same and are rectangular, and a second spring 26 is arranged between the other side of the piston 20 and one end of the cylindrical cavity 19. The inner wall of the cylindrical cavity 19 is provided with a guide groove 25, the side surface of the piston 20 is provided with a lug 21, and the lug 21 is slidably connected in the guide groove 25. The guide groove 25 is composed of two inclined grooves 28 and two transition grooves 29 connected end to end, and the transition groove 29 is connected between the two inclined grooves 28. One end of the positioning groove is provided with a blowing port 15, and the blowing port 15 is connected with the cylindrical cavity 19 through a gas channel 27. The piston can only move along the axis of the cylindrical cavity under the action of the movable guide rod and the guide groove, and can not rotate, when the rotary positioning block rotates, the rotary positioning block and the piston rotate relatively, the convex block on the side face of the piston slides along the guide groove, when the rotary positioning block rotates 180 degrees, the convex block can move from one end of the inclined groove to the other end of the inclined groove and transition to one end of the other inclined groove through the transition groove under the action of the spring, in the process, the piston completes one axial reciprocating movement in the circumferential cavity, and in the axial movement process, the piston can blow air in the circumferential cavity out of the air blowing port through the air channel finally, so that the positioning groove is blown with air, and drill cuttings in the positioning groove are blown off.

The base 1 is also provided with a feeding mechanism which can push the workpiece into the positioning groove 14. The feeding mechanism comprises a workpiece placing plate 12 arranged on one side of the rotary positioning block 11, and the workpiece placing plate 12 is obliquely arranged. A pushing cylinder 13 for pushing the workpiece into the positioning groove is provided on one side of the workpiece placing plate 12. The workpieces to be processed are sequentially placed on the workpiece placing plate side by side, the pushing cylinder can push the workpieces into the positioning grooves one by one through the movement of the piston rod, and automatic feeding is achieved.

The utility model discloses when punching the round pin axle, push the constant head tank on the rotatory locating piece through feed mechanism earlier, then utilize hold-down mechanism to compress tightly the work piece, and punch to the work piece through the decline of drilling unit head, punch and accomplish the back, hold-down mechanism loosens the work piece when the drilling unit head rises, then rotatory locating piece is rotatory 180 degrees under rotary drive's drive, make the constant head tank upset of opposite side to the top, and at rotatory in-process, the work piece drops and falls into corresponding work piece collection device from rotatory locating piece, then feed mechanism pushes the constant head tank with next work piece in, carry out the operation of punching of next work piece. The lifting device is used for driving the drilling power head to ascend and descend. After punching is completed each time, the blowing mechanism can blow away drill cuttings in the positioning grooves, so that the workpiece can be attached to the surfaces of the positioning grooves, and the positioning accuracy is guaranteed. The utility model discloses when punching chain round pin axle, need not manually before punching and carry out the clamping to the work piece, labour saving and time saving has improved machining efficiency.

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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. A chain pin shaft perforating machine is characterized by comprising a base, wherein a lifting device is arranged on the base, and a drilling power head for drilling a workpiece and a pressing mechanism for pressing the workpiece are arranged on the lifting device; the base is provided with a mounting seat, the mounting seat is provided with a rotary driving device and a rotary positioning block connected with the rotary driving device, the rotary positioning block is positioned below the drilling power head, and the rotary positioning block is symmetrically provided with two positioning grooves for placing and positioning workpieces; the base is also provided with a feeding mechanism which can push the workpiece into the positioning groove.

2. The chain pin hole puncher of claim 1, wherein the lifting device comprises a vertically arranged guide post, a lifting plate and an upper end plate, the upper end plate is fixedly arranged at the upper end of the guide post, the lifting plate is slidably connected to the guide post, a lifting hydraulic cylinder for driving the lifting plate to vertically move is arranged on the upper end plate, and the drilling power head is arranged below the lifting plate.

3. The chain pin hole puncher of claim 2, wherein the hold-down mechanism comprises a pressure plate slidably connected to the guide post, the pressure plate is located below the lift plate, the pressure plate and the lift plate are connected through a first spring, and a drill hole is formed in the pressure plate.

4. The chain pin roll puncher of claim 1, wherein the feeding mechanism comprises a workpiece placing plate disposed on one side of the rotary positioning block, and a pushing cylinder for pushing the workpiece into the positioning groove is disposed on one side of the workpiece placing plate.

5. The chain pin hole punch of claim 4, wherein the workpiece holding plate is disposed in an inclined configuration.

6. The chain pin hole punch of claim 1, wherein the positioning slot has a "V" shaped cross section.

7. The chain pin hole punch of claim 1, wherein the rotary drive is a gear motor.