CN216606896U

CN216606896U - Buckle stamping die

Info

Publication number: CN216606896U
Application number: CN202123303970.3U
Authority: CN
Inventors: 周文奎; 刘清
Original assignee: Tianjin Hongfenglin Throat Hoop Manufacturing Co ltd
Current assignee: Tianjin Hongfenglin Throat Hoop Manufacturing Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-27
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a buckle stamping die, which relates to the technical field of stamping equipment and comprises a die table, wherein a punching die and a bending die are arranged on the die table, the bending die is fixed on the die table through bolts, the punching die is fixed above the bending die, a plurality of supporting rods are fixed on the die table, a pressing plate is arranged on each supporting rod in a sliding manner, an auxiliary pressing block is formed at the upper end of each pressing plate, a buffer spring is fixedly connected between each pressing plate and the die table, two sliding rods are arranged on each pressing plate in a sliding manner, an upper die base is fixedly connected at the lower end of each sliding rod, a stamping column matched with the punching die is fixed on the lower end of each upper die base through bolts, a plurality of strong springs are fixedly connected between each upper die base and each pressing plate, a bending column matched with the bending die is arranged in each stamping column in a sliding manner, a reset spring is fixedly connected between each bending column and the upper surface of each upper die base, and the whole stamping die is stamped by a stamping machine. The utility model provides a buckle stamping die which is good in stamping quality and can be formed in one step.

Description

Buckle stamping die

Technical Field

The utility model relates to the technical field of stamping equipment, in particular to a buckle stamping die.

Background

The hose clamp is widely used for various water, oil, steam, dust and the like in automobiles, tractors, forklifts, locomotives, ships, mines, petroleum, chemical engineering, pharmacy, agriculture and the like, and is an ideal connecting fastener. The buckle on the hose clamp is obtained by stamping the steel strip by using a stamping die.

The prior production technology firstly punches the steel strip, punches the steel strip into an initial shape of the lower buckle, then punches and bends again, completes the production of the buckle, needs to punch twice in the whole process, needs to manually place and position the workpiece when preparing to punch for the second time, and greatly influences the working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a buckle stamping die, which utilizes the matching of a stamping column and a punching die and the matching of a bending column and the bending die to punch and form a buckle at one time, thereby improving the working efficiency.

The technical purpose of the utility model is realized by the following technical scheme:

a buckle stamping die comprises a die table, wherein a punching die and a bending die are arranged on the die table, the bending die is fixed on the die table through bolts, the punching die is fixed above the bending die, a plurality of supporting rods are fixed on the die table, a pressing plate is arranged on the supporting rods in a sliding manner, an auxiliary pressing block is formed at the upper end of the pressing plate, a buffer spring is fixedly connected between the pressing plate and the die table, two sliding rods are arranged on the pressing plate in a sliding manner, the lower end of the sliding rod is fixedly connected with an upper die base, the lower end of the upper die base is fixed with a punching column matched with the punching die through a bolt, a plurality of strong springs are fixedly connected between the upper die holder and the pressing plate, a bending column matched with the bending die is arranged in the stamping column in a sliding manner, a reset spring is fixedly connected between the bending column and the upper surface of the upper die base, and the whole stamping die uses a stamping machine for stamping.

Through adopting above-mentioned technical scheme, the drift butt of punching machine drives the clamp plate and moves down on the supplementary briquetting, and buffer spring begins to compress, and the upper die base moves down under powerful spring's effect, drives the punching press post and moves down simultaneously, and then drives the post that buckles and together move down through reset spring. The punching column is matched with the punching die to punch the workpiece under the action of the strong spring, and then the punching column does not move downwards under the action of the bending die, so that the strong spring starts to compress. The drift drives the clamp plate and continues the downstream, and the butt is to buckling on the post and drive the post downstream of buckling, and reset spring begins the compression, and the post of buckling stretches out the punching press post under the effect of clamp plate, buckles the work piece that has broken under the cooperation of the post of buckling and the mould of buckling, and buckle after the completion of buckling falls from the feed opening department of below. And then the punch is lifted, the pressing plate moves upwards under the action of the buffer spring, the bending column moves upwards under the action of the reset spring to reset, after the bending column is reset, the pressing plate continues to move upwards, the upper die base moves upwards under the action of the strong spring to drive the punching column to reset, and then the next punching is prepared. The workpiece can be formed in one step, secondary stamping is avoided, the working efficiency is improved, and the stamping quality is ensured.

The utility model is further configured to: the lower surface of the bending column is not lower than the lower surface of the stamping column.

Through adopting above-mentioned technical scheme, the post lower surface of buckling is not less than punching press post lower surface and can avoid when punching press post cooperates the die with the punching die and break, and the post of buckling contacts the work piece earlier, makes the work piece roughness receive the influence.

The utility model is further configured to: threads are formed at the upper end of each sliding rod, and nuts are connected to the sliding rods through the threads.

By adopting the technical scheme, the height between the upper die base and the pressing plate can be adjusted by rotating the nut, and then the height difference between the punching column and the punching die is adjusted, so that the punching die is suitable for workpieces with different thicknesses, and the application range of the whole die is enlarged.

The utility model is further configured to: the mould bench rotates and is provided with a plurality of spacing rollers, two liang of cooperation settings of spacing rollers, it is provided with drive roll and driven voller to rotate on the mould bench, the coaxial driving gear that is fixed with on the drive roll, the coaxial driven gear who is fixed with driving gear meshing on the driven voller, be fixed with on the mould bench and be used for driving drive roll pivoted motor.

Through adopting above-mentioned technical scheme, spacing roller plays limiting displacement to the steel band, can guarantee the material loading that the steel band can be stable under continuous punching press, rotates through motor drive roll, and then drives driven gear through the driving gear and rotates to make drive roll and driven voller rotate in opposite directions, and then can drive the steel band and remove, accomplish the process of pay-off, further improved work efficiency.

The utility model is further configured to: the pressing plate is provided with a plurality of connecting rods in a sliding mode, the lower end of each connecting rod is fixedly connected with a pressing plate, and a plurality of pressing springs are fixedly connected between the pressing plates and the pressing plate.

Through adopting above-mentioned technical scheme, when carrying out the punching press, the pressure strip can compress tightly with the steel band earlier under pressure spring's effect, later punching press is being carried out, the stability of steel band among the punching press process has been guaranteed, and the punching press is accomplished the back, when reseing, the punching press post breaks away from the back with the steel band completely, the pressure strip still laminates with the steel band under pressure spring's effect, can guarantee that the punching press post can not play the steel band after the punching press is accomplished, influence the stream punching press in back, the stability and the work efficiency of punching press have further been improved.

The utility model is further configured to: and a material guide plate is formed at the lower end of the die table.

Through adopting above-mentioned technical scheme, stamping forming's buckle can be via the unified collection under the guide effect at the stock guide, avoids the buckle to pile up the follow-up unloading of influence.

The utility model is further configured to: the limiting roller, the driving roller and the driven roller are all colloid rollers.

Through adopting above-mentioned technical scheme, spacing roller, drive roll and driven voller are the leveling roller and can increase and steel band between frictional force, make the feeding process more stable.

In conclusion, the beneficial technical effects of the utility model are as follows:

(1) utilize the cooperation of punching press post and impact mould, buckle the cooperation of post and the mould of buckling, make buckle one shot forming, improve work efficiency.

(2) The pressing spring is matched with the pressing plate, so that the steel strip is in a fixed state before and after the punching is finished, and the punching stability is improved.

Drawings

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

FIG. 2 is a second axial view of the overall construction of the present invention;

fig. 3 is a schematic view of a midline cross section of the present invention.

Reference numerals: 1. a mold table; 2. bending the die; 3. punching the die; 4. a support bar; 5. pressing a plate; 6. a buffer spring; 7. auxiliary briquetting; 8. a slide bar; 9. an upper die holder; 10. a nut; 11. a strong spring; 12. punching the column; 13. bending the column; 14. a connecting rod; 15. a compression plate; 16. a compression spring; 17. a drive roll; 18. a driven roller; 19. a limiting roller; 20. a driving gear; 21. a driven gear; 22. a motor; 23. a material guide plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to the attached drawings 1, 2 and 3, the buckle stamping die comprises a die table 1, wherein a bending die 2 and a punching die 3 are sequentially fixed at the upper end of the die table 1 through bolts. The upper end of the die table 1 is fixed with a plurality of supporting rods 4, preferably four supporting rods, the supporting rods 4 are provided with a pressing plate 5 in a sliding mode, a plurality of buffer springs 6 are fixedly connected between the pressing plate 5 and the die table 1, and the four supporting rods 4 are preferably four supporting rods and are respectively sleeved with the four buffering springs. The upper end of the pressing plate 5 is provided with an auxiliary pressing block 7 used for being in contact with a punch of a punching machine, the pressing plate 5 is provided with two sliding rods 8 in a sliding mode, the lower ends of the two sliding rods 8 are fixedly connected with an upper die base 9, the two sliding rods 8 are fixedly connected to the same upper die base 9, the upper ends of the two sliding rods 8 are provided with threads in a forming mode, and the upper end threads of the two sliding rods 8 are connected with nuts 10 in a threaded mode. Two strong springs 11 are fixedly connected between the upper die holder 9 and the pressing plate 5 and are respectively sleeved on the two slide bars 8. The lower extreme of upper die base 9 is fixed with and breaks mould 3 matched with punching press post 12, punching press post 12 is inside to slide to be provided with 2 matched with bending mould buckle post 13 and buckle the post 13 lower surface and be not less than punching press post 12 lower surface, it is provided with a plurality of connecting rods 14 to slide on the clamp plate 5, the equal fixedly connected with pressure strip 15 of each connecting rod 14 lower extreme, pressure strip 15 is preferred two and is located 1 length direction's of mould platform both sides respectively, a plurality of pressure spring 16 of fixedly connected with between pressure strip 15 and clamp plate 5, pressure strip 15 lower extreme is fixed with the glue film.

Before stamping, the nut 10 is rotated according to the thickness of a stamped steel strip, so that the height between the upper die holder 9 and the pressing plate 5 is adjusted, the height difference between the stamping column 12 and the stamping die 3 is adjusted, workpieces with different thicknesses are adapted, and the application range of the whole die is widened.

When punching is started, a punch of the punching machine is abutted against the auxiliary pressing block 7 to drive the pressing plate 5 to move downwards, the pressing plate 15 can firstly press the steel strip, the buffer spring 6 starts to compress, the upper die base 9 moves downwards under the action of the strong spring 11 and drives the punching column 12 to move downwards, and then the bending column 13 is driven by the reset spring to move downwards together. The punching column 12 is matched with the punching die 3 to punch the workpiece under the action of the strong spring 11, then the punching column 12 does not move downwards under the action of the bending die 2, and the strong spring 11 starts to compress. The punch drives the pressing plate 5 to continue moving downwards, the pressing plate abuts against the bending column 13 and drives the bending column 13 to move downwards, the reset spring starts to compress, the bending column 13 extends out of the punching column 12 under the action of the pressing plate 5, the punched workpiece is bent under the matching of the bending column 13 and the bending die 2, and the buckle after being bent falls from the lower blanking opening.

After the punching is completed, the punch is lifted up and reset, the pressing plate 5 moves upwards under the action of the buffer spring 6, meanwhile, the bending column 13 moves upwards under the action of the reset spring to reset, after the bending column 13 is reset, the pressing plate 5 continues to move upwards, the upper die base 9 moves upwards under the action of the strong spring 11 to drive the punching column 12 to reset, and then the next punching is prepared. The workpiece can be formed in one step, secondary stamping is avoided, the working efficiency is improved, and the stamping quality is ensured.

The mould table 1 is rotatably provided with a driving roller 17, a driven roller 18 and a plurality of limiting rollers 19, and the driving roller 17, the driven roller 18 and the limiting rollers 19 are all colloid rollers. A driving gear 20 is coaxially fixed on the driving roller 17, a driven gear 21 meshed with the driving gear 20 is coaxially fixed on the driven roller 18, a motor 22 for driving the driving roller 17 to rotate is further fixed on the die table 1, and a material guide plate 23 is formed at the lower end of the die table 1. The rubber roller can increase the friction force between the limiting roller 19 and the steel belt, and the stability of feeding is guaranteed.

When the material is loaded, the motor 22 drives the driving roller 17 to rotate, and then the driving gear 20 drives the driven gear 21 to rotate, so that the driving roller 17 and the driven roller 18 rotate oppositely, the steel belt is driven to be loaded, and after the stamping is completed, the stamped buckles are discharged through the material guide plate 23, and the buckles are prevented from being stacked to influence the subsequent discharging.

The working principle of the embodiment is as follows: before stamping, the nut 10 is rotated according to the thickness of the steel strip, the height between the stamping column 12 and the die is adjusted, the motor 22 drives the driving roller 17 to rotate, and under the action of the driving gear 20 and the driven gear 21, the driving roller 17 and the driven roller 18 rotate oppositely to further drive the steel strip to be fed.

And starting stamping, wherein a punch of the stamping machine is abutted against the auxiliary pressing block 7, the punch moves downwards, the auxiliary pressing block 7 drives the pressing plate 5 to simultaneously move downwards, and the buffer spring 6 starts to compress. The pressing plate 15 firstly contacts with the steel strip, the pressing spring 16 starts to compress after the steel strip is pressed, then the upper die base 9 drives the punching column 12 to move downwards under the action of the strong spring 11, the punching column 12 is matched with the punching die 3 to punch the steel strip, the punched workpiece moves downwards along with the punching column 12 until the workpiece falls on the bending die 2, when the punching column 12 reaches the limit, the strong spring 11 starts to compress, the pressing plate 5 continues to move downwards, then the pressing plate 5 is abutted against the bending column 13 and drives the bending column 13 to move downwards, the bending column 13 is matched with the bending die 2 to bend the punched workpiece, the bent buckle can slide out of the discharging opening, and the bent buckle can be uniformly collected through the material guide plate 23.

After punching is completed, the punch moves upwards, the pressing plate 5 moves upwards under the action of the buffer spring 6, meanwhile, the bending column 13 moves upwards under the action of the reset spring, and when the bending column 13 is separated from the pressing plate 5 after resetting is completed, the upper die base 9 starts to move upwards under the action of the strong spring 11 until the resetting of the upper die base 9 is completed. The pressing plate 5 then continues to move upwards, and the pressing plate 15 is reset through the connecting rod 14 and the pressing spring 16.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a buckle stamping die which characterized in that: comprises a die table (1), wherein a punching die (3) and a bending die (2) are arranged on the die table (1), the bending die (2) is fixed on the die table (1) through bolts, the punching die (3) is fixed above the bending die (2), a plurality of support rods (4) are fixed on the die table (1), a press plate (5) is arranged on the support rods (4) in a sliding manner, an auxiliary press block (7) is formed at the upper end of the press plate (5), a buffer spring (6) is fixedly connected between the press plate (5) and the die table (1), two slide rods (8) are arranged on the press plate (5) in a sliding manner, an upper die base (9) is fixedly connected at the lower end of the slide rods (8), a punching column (12) matched with the punching die (3) is fixed on the lower end of the upper die base (9) through bolts, a plurality of strong springs (11) are fixedly connected between the upper die base (9) and the press plate (5), the stamping die is characterized in that the stamping column (12) is internally provided with a bending column (13) matched with the bending die (2) in a sliding manner, a reset spring is fixedly connected between the bending column (13) and the upper surface of the upper die base (9), and the whole stamping die uses a stamping machine for stamping.

2. The clip stamping die of claim 1, wherein: the lower surface of the bending column (13) is not lower than that of the stamping column (12).

3. The clip stamping die of claim 1, wherein: threads are formed at the upper end of each sliding rod (8), and nuts (10) are connected to the sliding rods (8) in a threaded mode.

4. The clip stamping die of claim 1, wherein: rotate on mould platform (1) and be provided with a plurality of spacing rollers (19), two liang of cooperation settings of spacing rollers (19), it is provided with drive roller (17) and driven voller (18) to rotate on mould platform (1), coaxial fixed with driving gear (20) on drive roller (17), coaxial fixed with driven gear (21) with driving gear (20) meshing on driven voller (18), be fixed with on mould platform (1) and be used for driving drive roller (17) pivoted motor (22).

5. The clip stamping die of claim 1, wherein: the pressing plate (5) is provided with a plurality of connecting rods (14) in a sliding mode, the lower end of each connecting rod (14) is fixedly connected with a pressing plate (15), and a plurality of pressing springs (16) are fixedly connected between the pressing plates (5) and the pressing plates (15).

6. The clip stamping die of claim 1, wherein: and a material guide plate (23) is formed at the lower end of the die table (1).

7. The clip stamping die of claim 4, wherein: the limiting roller (19), the driving roller (17) and the driven roller (18) are all colloid rollers.