CN220547508U

CN220547508U - Sawtooth stamping die of hole saw

Info

Publication number: CN220547508U
Application number: CN202322151166.0U
Authority: CN
Inventors: 徐丹锋; 吴建源; 安慧; 马永康
Original assignee: Jiashan Hetai Hardware Tool Co ltd
Current assignee: Jiashan Hetai Hardware Tool Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-03-01
Anticipated expiration: 2033-08-11

Abstract

The utility model relates to the technical field of stamping dies and discloses a saw tooth stamping die of a hole saw, which comprises a bottom plate and an upper die, wherein limit rods are fixedly arranged at the positions, close to four corners, of the bottom plate, a supporting plate is sleeved on the outer walls of the limit rods in a co-movable mode, top ends of the limit rods are fixedly connected with a top plate, and a cavity is formed in the supporting plate. According to the stamping die, the telescopic rod and the first spring are matched, when stamping is carried out, the telescopic rod and the first spring are extruded through the supporting plate, so that vibration force generated during stamping is effectively absorbed, the supporting plate can be limited through the limiting rods arranged at the positions, close to four corners, of the supporting plate, shaking is reduced in the buffering process of the telescopic rod and the first spring, meanwhile, the die lifting rod is arranged in the supporting plate in a sliding mode through the saw tooth stamping die of the hole saw, the formed product is conveniently discharged, and the operation is more convenient and quick.

Description

Sawtooth stamping die of hole saw

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a saw tooth stamping die of a hole saw.

Background

A hole saw can cut very hard materials including hardened steel, cast iron, brick, etc., with a shaft made of carbon steel mated with a pilot drill. The stamping is a forming processing method for stamping parts with required shapes and sizes by applying external force to plates, strips, pipes, sectional materials and the like through a press machine and a die so as to generate plastic deformation or separation.

Need punching press to the sawtooth in hole saw's production process, because in the mould carries out punching press in-process, can't buffer the vibrations that produce after the mould punching press to lead to the mould to damage easily, and then reduce the life of device, when current stamping die takes off the material simultaneously, be inconvenient for ejecting fast to the finished product after the punching press, make the efficiency of drawing of patterns reduce. Accordingly, one skilled in the art would be able to provide a saw tooth stamping die for a hole saw that addresses the problems set forth in the background.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the saw tooth stamping die of the hole saw, which is provided with the telescopic rod and the first spring which are matched with each other, so that the telescopic rod and the first spring are extruded through the supporting plate during stamping, the vibration force generated during stamping is effectively absorbed, the supporting plate can be limited through the limiting rods arranged at the positions, close to four corners, of the supporting plate, the shaking generated in the buffering process of the telescopic rod and the first spring is reduced, and meanwhile, the saw tooth stamping die of the hole saw is provided with the die lifting rod in the supporting plate in a sliding manner, so that a formed product is discharged conveniently, and the operation is more convenient and quick.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the saw tooth stamping die comprises a bottom plate and an upper die, wherein limit rods are fixedly arranged at the positions, close to four corners, of the bottom plate, a supporting plate is sleeved on the outer walls of the limit rods in a co-movable mode, top plates are fixedly connected to the top ends of the limit rods in a co-movable mode, a cavity is formed in the supporting plate, a plurality of second air cylinders are fixedly arranged at the inner bottom of the cavity, the second air cylinders are connected with lifting plates in a co-movable mode, and the upper end face of the supporting plate is fixedly connected with a lower die through bolts;

the fixed first cylinder that is provided with in the middle of the roof up end, the output fixedly connected with fixed block of first cylinder, fixed block lower extreme fixedly connected with fixed frame, a plurality of spouts have been seted up to fixed frame inner bottom, and is a plurality of spout inner wall all slides and are provided with the slider, and a plurality of equal fixedly connected with second spring in slider one side and be connected with spout inner wall stationary phase, a plurality of the common cover of slider outer wall is equipped with the carousel, a plurality of equal fixedly connected with fixture block of slider opposite side.

Through above-mentioned technical scheme, through setting up the cavity in the inside cavity of bearing board, set up second cylinder and lifter plate in the cavity, after the rack punching press is accomplished, be convenient for jack-up the ejector pin to make the drawing of patterns simple convenient more, fix the bed die through the bolt, make the installation and the change of bed die simpler, through rotating the carousel, under the interact of second spring and slider, make the fixture block stretch out, thereby can be better fix the last mould, make the installation of last mould more stable.

Further, telescopic rods are fixedly arranged between every two adjacent limiting rods on the upper end face of the bottom plate, one ends of a plurality of telescopic rods are fixedly connected with the supporting plate, and first springs are sleeved on the outer walls of the telescopic rods;

through above-mentioned technical scheme, through setting up first spring and telescopic link at the bottom plate, when telescopic link and first spring are pushed down to the bearing plate, thereby the vibration force that produces when effectively absorbing the punching press of first spring shrink protects the bed die effectively for its life is longer.

Further, a stripping rod is movably arranged at the inner bottom of the lower die;

through the technical scheme, the rack subjected to stamping is conveniently ejected out of the lower die, so that the demolding is simpler.

Further, the upper end face of the upper die is provided with a groove, and the inner wall of the groove is provided with a plurality of limit grooves;

through above-mentioned technical scheme, be convenient for with fixture block joint cooperation for go up the mould installation simpler, it is more stable simultaneously.

Further, a plurality of fixing plates are fixedly arranged on the outer wall of the fixing frame near the upper end and fixedly connected with the upper die through bolts;

through above-mentioned technical scheme, be convenient for go up the mould and carry out better fixed.

Further, the clamping blocks are matched with the limiting grooves in a clamping way and are tightly attached to the limiting grooves;

through above-mentioned technical scheme, be convenient for fix the last mould for it is more stable in the punching press in-process.

Further, a push rod is fixedly arranged at the upper end of the outer wall of the turntable;

through above-mentioned technical scheme, through promoting the push rod for the carousel rotates, thereby makes the fixture block indent.

Further, the turntable rotates on the inner wall of the fixed frame;

through above-mentioned technical scheme, the fixture block of being convenient for can be better stretch out and draw back.

The utility model has the following beneficial effects:

1. compared with the existing saw tooth stamping die of the hole saw, the saw tooth stamping die of the hole saw provided by the utility model has the advantages that when the saw tooth stamping die is put into use, the telescopic rod and the first spring are matched with each other, and when the saw tooth stamping die is stamped, the telescopic rod and the first spring are pressed down by the bearing plate, and the springs are quickly recovered after being subjected to the inner effect, so that the vibration force generated during stamping can be effectively absorbed, the lower die is effectively protected, and the service life of the lower die is longer.

2. Compared with the existing saw tooth stamping die of the hole saw, the saw tooth stamping die of the hole saw provided by the utility model has the advantages that when the saw tooth stamping die is put into use, the turntable is rotated by pushing the push rod, so that the clamping block is retracted, then the fixing frame is clamped and matched with the upper die, and the clamping block is clamped and matched with the limit groove and is tightly attached under the pushing action of the second spring, so that the upper die is simpler and more convenient to install and more stable.

3. Compared with the existing saw tooth stamping die of the hole saw, the saw tooth stamping die of the hole saw provided by the utility model has the advantages that when in use, after stamping is completed, the lifting plate is pushed to move upwards under the action of the second cylinder, so that the lifting rod is lifted up, the demolding is simpler and faster, the rack stamping efficiency is improved, and the practicability is greatly improved.

Drawings

FIG. 1 is an isometric view of a saw tooth stamping die of a hole saw according to the present utility model;

FIG. 2 is a side cross-sectional view of a saw tooth stamping die of a hole saw according to the present utility model;

FIG. 3 is a front cross-sectional view of a saw tooth stamping die of a hole saw according to the present utility model;

FIG. 4 is a top view of a saw tooth stamping die of a hole saw according to the present utility model;

fig. 5 is a schematic partial structure diagram of a saw tooth stamping die of a hole saw according to the present utility model.

Legend description:

1. a bottom plate; 2. a bearing plate; 3. a limit rod; 4. a lower die; 5. a top plate; 6. a first cylinder; 7. a first spring; 8. a telescopic rod; 9. a push rod; 10. a fixing plate; 11. a second cylinder; 12. a limit groove; 13. a groove; 14. a fixed frame; 15. a chute; 16. a second spring; 17. a turntable; 18. a clamping block; 19. a slide block; 20. a fixed block; 21. a cavity; 22. a lifting plate; 23. a stripping rod; 24. and (5) feeding a die.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a sawtooth stamping die of hole saw, including bottom plate 1 and cope mold 24, bottom plate 1 is close to four corners department and all fixedly provided with gag lever post 3, the joint activity cover of a plurality of gag lever posts 3 outer walls is equipped with carrier plate 2, the common fixedly connected with roof 5 in a plurality of gag lever posts 3 tops, carrier plate 2 inside is provided with cavity 21, the fixed bottom is provided with a plurality of second cylinders 11 in cavity 21, a plurality of second cylinders 11 are connected with lifter plate 22 jointly, carrier plate 2 up end passes through bolt fixedly connected with bed die 4, through setting up cavity 21 in carrier plate 2 inside, set up second cylinder 11 and lifter plate 22 in cavity 21, after the rack punching press is accomplished, be convenient for jack-up lifter plate 23, thereby make the drawing of patterns simple and convenient, fix bed die 4 through the bolt, make the installation and the change of bed die 4 simpler;

the fixed first cylinder 6 that is provided with in the middle of the up end of roof 5, the output fixedly connected with fixed block 20 of first cylinder 6, fixed block 20 lower extreme fixedly connected with fixed frame 14, a plurality of spouts 15 have been seted up to fixed frame 14 inner bottom, a plurality of spouts 15 inner wall all slide and are provided with slider 19, a plurality of slider 19 side all fixedly connected with second spring 16 and with spout 15 inner wall fixed phase connection, a plurality of slider 19 outer wall common cover is equipped with carousel 17, a plurality of slider 19 opposite side all fixedly connected with fixture block 18, through rotating carousel 17, under the interact of second spring 16 and slider 19, make fixture block 18 stretch out, thereby can be better fix last mould 24, make the installation of last mould 24 more stable.

All fixedly between two double-phase two adjacent of bottom plate 1 up end gag lever post 3 be provided with telescopic link 8, a plurality of telescopic link 8 one end all is connected with carrier plate 2 stationary phase, a plurality of telescopic link 8 outer walls all overlap and are equipped with first spring 7, through set up first spring 7 and telescopic link 8 at bottom plate 1, when carrier plate 2 pushes down telescopic link 8 and first spring 7, thereby first spring 7 shrink effectively absorb the vibration force that produces during the punching press, protect effectively lower mould 4, make its life longer in lower mould 4 bottom activity be provided with the ejector pin 23, be convenient for push away the rack ejecting lower mould 4 of completion with the drawing of patterns, thereby make drawing of patterns simpler, upper mould 24 up end has seted up recess 13, a plurality of spacing grooves 12 have been seted up to the recess 13 inner wall, be convenient for with 18 joint cooperation, make upper mould 24 installation simpler, simultaneously more stable, fixed frame 14 outer wall is by upper end fixedly provided with a plurality of fixed plates 10 and be connected with upper mould 24 stationary phase through the bolt, be convenient for carry out better fixing with upper mould 24, all with spacing groove 12 joint, be convenient for carry out better fixing with upper mould 24, make the rack bar 18, be convenient for carry out the rotation 17 in the fixed frame 17 is made in order to make the rotating the fixed frame 17 more stable, make the rotating disc 17 is more stable in the fixed frame 17, the inner wall is convenient for rotate, 17 is fixed in the rotating disc is fixed in the fixed 17, 17.

Working principle: when the die is used, the clamping block 18 is contracted inwards by rotating the rotary table 17, the fixed frame 14 is aligned with the groove 13, the clamping block 18 is matched with the limit groove 12 in a clamping way and is tightly attached under the action of the elastic force of the second spring 16, and then the fixed plate 10 is fixedly connected with the upper die 24 through the bolt, so that the upper die 24 is simpler and more convenient to install, when in stamping, the telescopic rod 8 and the first spring 7 are pressed down through the bearing plate 2, the first spring 7 is quickly recovered after being acted by force, so that energy generated during stamping can be effectively absorbed, the impact force on the lower die 4 is further reduced, the service life of the lower die 4 is longer, and the lifting plate 22 and the lifting rod 23 are jacked up under the action of the second cylinder 11 after stamping is finished, so that the demoulding efficiency of the saw rack is simpler and more convenient, and the demoulding efficiency is greatly improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Sawtooth stamping die of hole saw, including bottom plate (1) and last mould (24), its characterized in that: limiting rods (3) are fixedly arranged at the positions, close to four corners, of the bottom plate (1), supporting plates (2) are sleeved on the outer walls of the limiting rods (3) in a co-movable mode, top plates (5) are fixedly connected to the top ends of the limiting rods (3) in a co-movable mode, cavities (21) are formed in the supporting plates (2), a plurality of second air cylinders (11) are fixedly arranged in the cavities (21), lifting plates (22) are connected to the second air cylinders (11) in a co-movable mode, and lower dies (4) are fixedly connected to the upper end faces of the supporting plates (2) through bolts;

the fixed first cylinder (6) that is provided with in the middle of roof (5) up end, the output fixedly connected with fixed block (20) of first cylinder (6), fixed block (20) lower extreme fixedly connected with fixed frame (14), a plurality of spouts (15) have been seted up to fixed frame (14) in the bottom, a plurality of spout (15) inner wall all slide and are provided with slider (19), a plurality of slider (19) one side all fixedly connected with second spring (16) and with spout (15) inner wall stationary phase connection, a plurality of slider (19) outer wall cover jointly is equipped with carousel (17), a plurality of slider (19) opposite side all fixedly connected with fixture block (18).

2. A saw tooth stamping die of a hole saw as defined in claim 1, wherein: the telescopic rods (8) are fixedly arranged between every two adjacent limiting rods (3) on the upper end face of the bottom plate (1), one ends of the telescopic rods (8) are fixedly connected with the supporting plate (2), and the outer walls of the telescopic rods (8) are sleeved with first springs (7).

3. A saw tooth stamping die of a hole saw as defined in claim 1, wherein: a stripping rod (23) is movably arranged at the inner bottom of the lower die (4).

4. A saw tooth stamping die of a hole saw as defined in claim 1, wherein: the upper end face of the upper die (24) is provided with a groove (13), and the inner wall of the groove (13) is provided with a plurality of limit grooves (12).

5. A saw tooth stamping die of a hole saw as defined in claim 1, wherein: the outer wall of the fixed frame (14) is fixedly provided with a plurality of fixed plates (10) near the upper end and fixedly connected with the upper die (24) through bolts.

6. A saw tooth stamping die of a hole saw as defined in claim 1, wherein: the clamping blocks (18) are matched with the limiting grooves (12) in a clamping way and are tightly attached to each other.

7. A saw tooth stamping die of a hole saw as defined in claim 1, wherein: the push rod (9) is fixedly arranged at the upper end of the outer wall of the rotary table (17).

8. A saw tooth stamping die of a hole saw as defined in claim 1, wherein: the rotary disc (17) rotates on the inner wall of the fixed frame (14).