CN211567051U

CN211567051U - Novel punching machine

Info

Publication number: CN211567051U
Application number: CN201922384844.1U
Authority: CN
Inventors: 吴赞扬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-25
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a novel punching machine, which comprises a machine tool, wherein the upper part of the machine tool is provided with a punching device, the punching device comprises a hydraulic driving device and a male die, and the output end of the hydraulic driving device is connected with the male die through a connecting rod; a stamping workbench is arranged at the lower part of the machine tool, and a female die matched with the male die is arranged on the stamping workbench; the connecting rod is sleeved with a connecting lantern ring, and the outer side of the connecting lantern ring is provided with a silencing cover; a connecting seat is arranged at one end of the connecting rod connected with the male die and is connected with the connecting sleeve ring through a plurality of first elastic springs; the bottom of die is equipped with the blotter of rubber material, the below of blotter is equipped with the bottom plate, the blotter with be connected with second elastic spring between the bottom plate, the blotter with take place elasticity up-and-down motion between the bottom plate. Through the utility model discloses realize effectively reducing the noise.

Description

Novel punching machine

Technical Field

The utility model relates to a punching machine field, concretely relates to novel punching machine.

Background

The stamping process is a production technology for obtaining product parts with certain shape, size and performance by directly applying deformation force to a plate in a die by means of the power of conventional or special stamping equipment and deforming the plate. Stamping is a cold metal deformation process. Therefore, it is called cold stamping or sheet stamping, or stamping for short. It is one of the main methods of metal plastic working (or pressure working), and also belongs to the material forming engineering technology. Metal stamping parts often can produce huge noise in the course of working, cause certain influence to operating personnel's daily work and physical and mental health, reduce operating personnel's work efficiency, influence the economic benefits of enterprise, and the suitability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at designing a novel punching machine, making it realize effectively reducing the noise.

In order to achieve the above object, the utility model provides a following technical scheme:

a novel punching machine comprises a machine tool, wherein a punching device is arranged at the upper part of the machine tool and comprises a hydraulic driving device and a male die, and the output end of the hydraulic driving device is connected with the male die through a connecting rod; a stamping workbench is arranged at the lower part of the machine tool, and a female die matched with the male die is arranged on the stamping workbench;

a connecting lantern ring is sleeved on the connecting rod and is in up-and-down sliding connection with the connecting rod, a silencing cover is arranged on the outer side of the connecting lantern ring, and the lower end face of the silencing cover is lower than the lower end face of the male die; a connecting seat is arranged at one end of the connecting rod connected with the male die and is connected with the connecting sleeve ring through a plurality of first elastic springs; the bottom of die is equipped with the blotter of rubber material, the below of blotter is equipped with the bottom plate, the blotter with be connected with second elastic spring between the bottom plate, the blotter with take place elasticity up-and-down motion between the bottom plate.

Furthermore, the surface of connecting rod is equipped with the guided way, the annular inboard of the connection lantern ring is equipped with the guide way, the guide way with the guided way cooperatees. The guide rail and the guide groove enable the connecting lantern ring to move along the appointed direction when sliding up and down relative to the connecting rod, and the silencing cover is ensured to be always positioned in the vertical direction of the connecting rod.

Furthermore, the silencing cover is of a three-layer structure, the outer layer and the inner layer are made of transparent glass, and the middle layer is a vacuum layer. The vacuum has the characteristic of not transmitting sound, and the vacuum layer is clamped by the two layers of transparent glass, so that the noise generated in the stamping process can be effectively prevented from being diffused to the external environment. Meanwhile, the transparent glass also enables an operator to visually observe the stamping condition of the male die through the silencing cover.

Further, the transparent glass is transparent tempered glass. So set up, improve glass's rigidity, avoid the in-process of operation to take place to damage.

Furthermore, the bottom of the silencing cover is provided with rubber sponge. The rubber sponge is used as a buffer layer to buffer part of impulsive force of the silencing cover in the descending process, so that the silencing cover is better protected. Meanwhile, the rubber sponge has the characteristic of elastic deformation, so that the silencing cover can be tightly attached to a plate material when the male die is stamped, and noise is prevented from leaking.

Furthermore, the lower extreme of bottom plate is equipped with a plurality of telescopic cylinder, telescopic cylinder bilateral symmetry sets up. So set up, when the punching press degree of depth is unnecessary too low, when the position height of the cushion that needs adjustment, can improve the height of bottom plate through telescopic cylinder and adjust.

Furthermore, a foam sound absorption layer is arranged on the inner side wall of the concave die. Further absorbing noise generated at the time of punching.

Furthermore, the outer side of the machine tool surrounds a sound-absorbing plate, and the inner side of the sound-absorbing plate is provided with a silencing wedge. The noise generated during punching is further absorbed by the silencing wedge, and the noise is prevented from diffusing.

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

set up the blotter of rubber material bottom the die to bottom at the blotter through second elastic spring connection bottom plate, through the elastic buffer effect of second elastic spring and rubber can absorb partial impulsive force, reduce the sheet material and produce because of the strong noise pollution that collides when punching press work. Meanwhile, the connecting rod is sleeved with the silencing cover, when the male die descends in a stamping mode, the lower end face of the silencing cover is lower than the lower end face of the male die, so that the lower end face of the silencing cover can contact the plate located on the stamping workbench, then the lower end face of the silencing cover slides upwards along the connecting rod and covers the outer portion of the male die, a sealing space is formed between the male die and the stamping position of the plate, and noise diffusion is prevented.

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 structural view of the present invention;

FIG. 2 is a schematic structural view of the noise reduction cover of the present invention;

fig. 3 is a sectional view taken along the line a of fig. 2 according to the present invention;

fig. 4 is a partial enlarged view B of fig. 2 of the present invention;

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

1. a hydraulic drive device; 2. a connecting rod; 201. a guide rail; 202. a connecting seat; 3. a male die; 4. a sound deadening hood; 401. a connecting lantern ring; 402. a first elastic spring; 403. a guide groove; 404. transparent glass; 405. a vacuum layer; 406. a rubber sponge; 5. a stamping workbench; 501. a female die; 6. a cushion pad; 601. a second elastic spring; 7. a base plate; 8. a telescopic cylinder; 9. a foam sound absorbing layer; 10. a sound-absorbing panel; 1001. silencing and splitting.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, only some embodiments, not all embodiments, of the present invention are described. Based on the embodiments in 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):

a novel punching machine comprises a machine tool, wherein a punching device is arranged at the upper part of the machine tool and comprises a hydraulic driving device 1 and a male die 3, and the output end of the hydraulic driving device 1 is connected with the male die 3 through a connecting rod 2; the lower part of the machine tool is provided with a stamping workbench 5, and the stamping workbench 5 is provided with a female die 501 matched with the male die 3;

a connecting lantern ring 401 is sleeved on the connecting rod 2, the connecting lantern ring 401 is connected with the connecting rod 2 in a vertically sliding mode, a silencing cover 4 is arranged on the outer side of the connecting lantern ring 401, and the lower end face of the silencing cover 4 is lower than the lower end face of the male die 3; a connecting seat 202 is arranged at one end of the connecting rod 2 connected with the male die 3, and the connecting seat 202 is connected with a connecting sleeve ring 401 through a plurality of first elastic springs 402; the bottom of the female die 501 is provided with a cushion pad 6 made of rubber, a bottom plate 7 is arranged below the cushion pad 6, a second elastic spring 601 is connected between the cushion pad 6 and the bottom plate 7, and elastic up-and-down motion occurs between the cushion pad 6 and the bottom plate 7.

The outer surface of the connecting rod 2 is provided with a guide rail 201, the annular inner side of the connecting collar 401 is provided with a guide groove 403, and the guide groove 403 is matched with the guide rail 201. The guide rail 201 and the guide groove 403 enable the link collar 401 to move in a predetermined direction when sliding up and down with respect to the link lever 2, thereby ensuring that the noise-damping cover 4 is always positioned in the vertical direction of the link lever 2.

The sound-deadening cap 4 has a three-layer structure, the outer layer and the inner layer are made of transparent glass 404, and the middle layer is a vacuum layer 405. The vacuum has the characteristic of not transmitting sound, and the two layers of transparent glass 404 sandwich the vacuum layer 405, so that the noise generated in the stamping process can be effectively prevented from being diffused to the external environment. Meanwhile, the transparent glass 404 also enables an operator to visually observe the punching condition of the male die 3 through the silencing cover 4.

The transparent glass 404 is transparent tempered glass. So set up, improve glass's rigidity, avoid the in-process of operation to take place to damage.

The bottom of the noise reduction cover 4 is provided with a rubber sponge 406. The rubber sponge 406 is used as a buffer layer to buffer part of impulsive force generated in the descending process of the silencing cover 4, so that the silencing cover 4 is better protected. Meanwhile, the rubber sponge 406 has the characteristic of elastic deformation, so that the silencing cover 4 can be tightly attached to the plate material when the male die 3 is stamped, and noise is prevented from leaking.

The lower extreme of bottom plate 7 is equipped with a plurality of telescopic cylinder 8, and telescopic cylinder 8 bilateral symmetry sets up. So set up, when the punching depth need not be too low, need adjust the position height of blotter 6, can improve the height of bottom plate 7 through telescopic cylinder 8 and adjust.

The inner side wall of the concave die 501 is provided with a foam sound absorption layer 9. Further absorbing noise generated at the time of punching.

The sound-absorbing board 10 is surrounded on the outside of the machine tool, and the sound-absorbing board 10 is provided with a silencing wedge 1001 on the inside. The noise generated during punching is further absorbed by the silencing wedge 1001, and the noise is prevented from being diffused.

The working principle of the embodiment is as follows:

the operator places the sheet material on the upper surface of the stamping workbench 5 and aligns the position to be stamped to the position right below the male die 3. The hydraulic driving device 1 is started to press the male die 3 downwards. Because the connecting rod 2 is sleeved with the silencing cover 4, the lower end face of the silencing cover 4 is lower than the lower end face of the male die 3, when the male die 3 descends in a stamping mode, the lower end face of the silencing cover 4 firstly contacts with a plate material on the stamping workbench 5, then slides upwards along the connecting rod 2 and covers the outer portion of the male die 3, a sealing space is formed between the male die 3 and the stamping position of the plate material, and noise diffusion is prevented.

During the period, the bottom of the female die 501 is provided with the cushion pad 6 made of rubber, the bottom of the cushion pad 6 is connected with the bottom plate 7 through the second elastic spring 601, and the elastic buffering effect of the second elastic spring 601 and the rubber can absorb part of impulsive force, so that the huge noise pollution caused by strong collision of the plate materials during stamping operation is reduced.

After the punching is finished, the hydraulic driving device 1 drives the male die 3 to move upwards, and the silencing cover 4 descends along the connecting rod 2 under the elastic action of the first elastic spring 402 to recover to the original position. The operator takes out the punched plate from the punching workbench 5.

Claims

1. A novel punching machine comprises a machine tool, wherein a punching device is arranged at the upper part of the machine tool and comprises a hydraulic driving device and a male die, and the output end of the hydraulic driving device is connected with the male die through a connecting rod; a stamping workbench is arranged at the lower part of the machine tool, and a female die matched with the male die is arranged on the stamping workbench;

the method is characterized in that: a connecting lantern ring is sleeved on the connecting rod and is in up-and-down sliding connection with the connecting rod, a silencing cover is arranged on the outer side of the connecting lantern ring, and the lower end face of the silencing cover is lower than the lower end face of the male die; a connecting seat is arranged at one end of the connecting rod connected with the male die and is connected with the connecting sleeve ring through a plurality of first elastic springs; the bottom of die is equipped with the blotter of rubber material, the below of blotter is equipped with the bottom plate, the blotter with be connected with second elastic spring between the bottom plate, the blotter with take place elasticity up-and-down motion between the bottom plate.

2. The novel punch of claim 1, wherein: the surface of connecting rod is equipped with the guided way, the annular inboard of connecting the lantern ring is equipped with the guide way, the guide way with the guided way cooperatees.

3. The novel punch of claim 1, wherein: the silencing cover is of a three-layer structure, the outer layer and the inner layer are made of transparent glass, and the middle layer is a vacuum layer.

4. The novel punch of claim 3, wherein: the transparent glass is transparent toughened glass.

5. The novel punch of claim 1, wherein: the bottom of the silencing cover is provided with rubber sponge.

6. The novel punch of claim 1, wherein: the lower extreme of bottom plate is equipped with a plurality of telescopic cylinder, telescopic cylinder bilateral symmetry sets up.

7. The novel punch of claim 1, wherein: and a foam sound absorption layer is arranged on the inner side wall of the female die.

8. The novel punch of claim 1, wherein: the outer side of the machine tool surrounds the sound-absorbing plate, and the inner side of the sound-absorbing plate is provided with a silencing wedge.