CN215355642U

CN215355642U - Thick groove punching device

Info

Publication number: CN215355642U
Application number: CN202120839717.0U
Authority: CN
Inventors: 翁贤东; 储西来
Original assignee: Nanjing Liju Precision Forging Co ltd
Current assignee: Nanjing Liju Precision Forging Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-31
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to the technical field of machining devices and discloses a thick groove punching device which comprises a bottom plate, wherein two connecting seats are fixedly connected to the upper surface of the bottom plate, a crank arm is arranged in each connecting seat, a first rotating shaft is fixedly connected to the inner wall of each connecting seat and penetrates through the corresponding crank arm, a connecting block is fixedly connected to one end, far away from the corresponding connecting seat, of each crank arm, a pressing block is arranged above the bottom plate, and two ends of each pressing block are fixedly connected with an inclined wedge. When using, can use the impulsive force of punch press punching press briquetting to drive the downstream of bearing obliquely, bear obliquely and promote the bent arm, the bent arm promotes the push rod again, promotes the chuck and presss from both sides tight product, and the simultaneously die-cut edge of a knife is along with the gyro wheel groove of the die-cut rocking arm blank of impulsive force of drift downwards to excision gyro wheel groove is unnecessary and thick big waste material, when having avoided traditional punching press work piece, need press from both sides the work piece back and at the time wasted time of punching down of menstruation, thereby has improved punching press efficiency.

Description

Thick groove punching device

Technical Field

The utility model relates to the technical field of machining devices, in particular to a thick groove punching device.

Background

At present, the blank roller groove part of the rocker arm product is closed. The rocker arm products are generally produced by forging blanks to improve the mechanical properties of the products.

Due to the characteristics of forging, the roller groove cannot be forged in the blank forging of rocker arm products, rough machining is usually needed, the groove is milled by a milling machine, the process takes about 2 minutes and 1 piece, manpower and equipment are occupied, and time is consumed.

To this end, we propose a device for punching thick slots to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a thick groove punching device.

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

the utility model provides a die-cut thick groove device, includes the bottom plate, two connecting seats of last fixed surface of bottom plate are connected with, and are provided with the crank arm in the connecting seat, the first pivot of inner wall fixedly connected with of connecting seat, and first pivot runs through the crank arm setting, the one end fixedly connected with connecting block of connecting seat is kept away from to the crank arm, the top of bottom plate is provided with the briquetting, and the equal fixedly connected with in both ends of briquetting is to one side to be wedge, the lower surface of briquetting can be dismantled and be connected with the die-cutting knife, the lateral wall fixedly connected with sleeve pipe of connecting seat, and sheathed tube inner wall sliding connection has the push rod, the one end fixedly connected with chuck of push rod, and the one end fixedly connected with connecting rod of chuck is kept away from to the push rod, a plurality of tooth's grooves have been seted up to the upper surface of connecting rod, the arm is kept away from a plurality of latches of one end fixedly connected with of connecting block, and tooth's groove meshing setting.

Preferably, a limiting groove is formed in the upper surface of the connecting block, and one side of the oblique wedge away from the pressing block is located in the limiting groove.

Preferably, the inner wall of spacing groove rotates and is connected with the second pivot, and one side of second pivot offsets with the oblique wedge and sets up.

Preferably, the diameter of the connecting rod is smaller than the diameter of the push rod.

Preferably, the second rotating shaft is made of hard alloy.

Preferably, a yielding groove is formed in one side of the sleeve, a spring is arranged in the yielding groove, one end of the spring is fixedly connected with the chuck, and the end, far away from the chuck, of the spring is fixedly connected with the sleeve.

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

1. when the punching press is used, the punching force of the punch press pressing block can be used for driving the wedge to move downwards, the wedge pushes the crank arm, the crank arm pushes the push rod again to push the chuck to clamp a product, and the punching knife edge punches the roller groove of the rocker arm blank downwards along with the punching force of the punch, so that redundant and thick waste materials in the roller groove are cut off, the time wasted in punching during the process of clamping a workpiece in the traditional workpiece punching process is avoided, and the punching efficiency is improved.

2. According to the wedge device, the limiting groove is arranged, the block can be limited and the wedge can be limited, the second rotating shaft is arranged, the wedge can be abutted against the second rotating shaft when the crank arm is pressed, direct pressing for wedge to the connecting block is avoided, the wedge is pressed to damage the connecting block after long-time use, the diameter of the connecting rod is smaller than that of the push rod, the connecting rod is prevented from being blocked by a sleeve when the push rod is pushed, the abrasion resistance of the second rotating shaft can be improved by arranging the second rotating shaft made of hard alloy, and the spring is arranged to reset the device after the device is completely punched.

Drawings

Fig. 1 is a schematic front view of a thick groove punching device according to the present invention;

FIG. 2 is a schematic structural view of a curved wall of a device for punching a thick slot according to the present invention;

fig. 3 is a schematic structural diagram of a connecting block of a thick groove punching device according to the present invention.

In the figure: 1. a base plate; 2. a connecting seat; 3. a crank arm; 4. a first rotating shaft; 5. connecting blocks; 6. a second rotating shaft; 7. a limiting groove; 8. briquetting; 9. oblique wedge; 10. punching and cutting the knife; 11. a sleeve; 12. a push rod; 13. a chuck; 14. a connecting rod; 15. clamping teeth; 16. a spring.

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.

In the 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, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a die-cut thick groove device, the package includes a bottom plate 1, two connecting seats 2 are fixedly connected to the upper surface of the bottom plate 1, a crank arm 3 is arranged in the connecting seat 2, a first rotating shaft 4 is fixedly connected to the inner wall of the connecting seat 2, the first rotating shaft 4 penetrates through the crank arm 3, a connecting block 5 is fixedly connected to one end of the crank arm 3 away from the connecting seat 2, a pressing block 8 is arranged above the bottom plate 1, oblique wedges 9 are fixedly connected to both ends of the pressing block 8, a die-cutting knife 10 is detachably connected to the lower surface of the pressing block 8, a sleeve 11 is fixedly connected to the side wall of the connecting seat 2, a push rod 12 is slidably connected to the inner wall of the sleeve 11, a chuck 13 is fixedly connected to one end of the push rod 12, a connecting rod 14 is fixedly connected to one end of the push rod 12 away from the chuck 13, a plurality of tooth grooves are formed in the upper surface of the connecting rod 14, a plurality of latch teeth 15 are fixedly connected to one end of the crank arm 3 away from the connecting block 5, and the latch 15 is arranged in a meshing manner with the tooth socket.

Further, limiting groove 7 has been seted up to the upper surface of connecting block 5, and one side that briquetting 8 was kept away from to one side 9 is located the setting of limiting groove 7, through setting up limiting groove 7, can be spacing briquetting 8 and wedge 9 to one side.

Further, the inner wall of spacing groove 7 rotates to be connected with second pivot 6, and one side of second pivot 6 offsets with wedge 9 to one side and sets up, through setting up second pivot 6, can so that wedge 9 to one side offsets with second pivot 6 when pressing and moving bent arm 3, avoids wedge 9 to one side and directly presses to connecting block 5, and wedges 9 to one side after using for a long time and crushes connecting block 5.

Further, the diameter of the connecting rod 14 is smaller than that of the push rod 12, and by setting the diameter of the connecting rod 14 to be smaller than that of the push rod 12, the connecting rod 14 is prevented from being blocked by the sleeve 11 when the connecting rod 14 pushes the push rod 12.

Furthermore, the second rotating shaft 6 is made of hard alloy, and the wear resistance of the second rotating shaft 6 can be improved by arranging the second rotating shaft 6 made of hard alloy.

Furthermore, a yielding groove is formed in one side of the sleeve 11, a spring 16 is arranged in the yielding groove, one end of the spring 16 is fixedly connected with the chuck 13, one end, far away from the chuck 13, of the spring 16 is fixedly connected with the sleeve 11, and the spring 16 is arranged, so that the device can be reset through the spring 16 after the device is stamped.

In the utility model, when the device works, firstly, the device is fixed on a punching machine, the impact force of a punch on the punching machine drives a pressing block 8 and an oblique wedge 9 to move downwards, the oblique wedge 9 pushes a bent arm 3, the bent arm 3 is matched with a connecting rod 14 through a latch 15 to push a push rod 12, the push rod 12 pushes a chuck 13 to clamp a product, meanwhile, a punching knife 10 downwards punches a roller groove of a rocker arm blank along with the impact force of the punch, so that redundant and thick waste materials in the roller groove are cut off, then the punch is lifted upwards to drive the pressing block 8 and the punching knife 10 to lift up with the oblique wedge 9, after the oblique wedge 9, a spring 16 resets the device to open the chuck 13, and then the workpiece is taken out.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A thick groove punching device comprises a bottom plate (1) and is characterized in that two connecting seats (2) are fixedly connected to the upper surface of the bottom plate (1), a crank arm (3) is arranged in each connecting seat (2), a first rotating shaft (4) is fixedly connected to the inner wall of each connecting seat (2), the first rotating shaft (4) penetrates through the crank arm (3), a connecting block (5) is fixedly connected to one end, far away from the connecting seats (2), of the crank arm (3), a pressing block (8) is arranged above the bottom plate (1), inclined wedge blocks (9) are fixedly connected to two ends of each pressing block (8), a punching cutter (10) is detachably connected to the lower surface of each pressing block (8), a sleeve (11) is fixedly connected to the side wall of each connecting seat (2), a push rod (12) is slidably connected to the inner wall of each sleeve (11), a chuck (13) is fixedly connected to one end of each push rod (12), and push rod (12) keep away from one end fixedly connected with connecting rod (14) of chuck (13), a plurality of tooth spaces have been seted up to the upper surface of connecting rod (14), a plurality of latches (15) of one end fixedly connected with of connecting block (5) are kept away from in crank arm (3), and latch (15) and tooth space meshing set up.

2. The thick groove punching device according to claim 1, wherein a limiting groove (7) is formed in the upper surface of the connecting block (5), and one side of the wedge (9) away from the pressing block (8) is located in the limiting groove (7).

3. The thick groove punching device according to claim 2, wherein a second rotating shaft (6) is rotatably connected to the inner wall of the limiting groove (7), and one side of the second rotating shaft (6) is arranged against the wedge (9).

4. A device for blanking thick slots according to claim 1, characterized in that the diameter of said connecting rod (14) is smaller than the diameter of the push rod (12).

5. A device for punching thick slots according to claim 3, wherein said second shaft (6) is made of cemented carbide.

6. The thick groove punching device according to claim 1, wherein a relief groove is formed in one side of the sleeve (11), a spring (16) is arranged in the relief groove, one end of the spring (16) is fixedly connected with the chuck (13), and one end of the spring (16) far away from the chuck (13) is fixedly connected with the sleeve (11).