阅读说明：本技术 一种钣金件加工用防变形冲压设备 (Sheet metal component processing is with shape stamping equipment of preapring for an unfavorable turn of events ) 是由 吴亚峰 于 2021-09-23 设计创作，主要内容包括：本发明的一种钣金件加工用防变形冲压设备,包括冲压机外壳,所述冲压机外壳内设有凹模机构,所述凹模机构用于本发明检测钣金件的厚度并做出对应的改变；所述凹模机构对应设有一个凸模机构,所述凸模机构包括与所述冲压机外壳固定连接的液压缸,所述液压缸控制有液压杆,所述液压杆上固定设有电磁铁,所述所述电磁铁上固定设有冲压杆,本发明能够实现根据钣金件的厚度差异来改变凸模的冲压直径,实现不同厚度的钣金件都能有效地冲压,传感器能够判定钣金的厚度情况,并控制电磁铁的通断电,冲压环能够随着移动改变凸模的冲压直径,绕线轮能够控制抵块的移动,防止冲压环的异常移动,弹片能够在冲压完成后将冲压件从凹模上弹出,便于取出。(The invention discloses anti-deformation stamping equipment for sheet metal part machining, which comprises a stamping machine shell, wherein a female die mechanism is arranged in the stamping machine shell and is used for detecting the thickness of a sheet metal part and making corresponding changes; the stamping device comprises a stamping machine shell, a female die mechanism and a male die mechanism, wherein the female die mechanism is correspondingly provided with the male die mechanism, the male die mechanism comprises a hydraulic cylinder fixedly connected with the stamping machine shell, a hydraulic rod is controlled by the hydraulic cylinder, an electromagnet is fixedly arranged on the hydraulic rod, and a stamping rod is fixedly arranged on the electromagnet.)

1. The utility model provides a sheet metal component processing is with shape stamping equipment of preapring for an unfavorable turn of events, includes the punching machine shell, its characterized in that: a female die mechanism is arranged in the shell of the stamping machine and is used for detecting the thickness of the sheet metal part and making corresponding changes;

the female die mechanism is correspondingly provided with a male die mechanism, the male die mechanism comprises a hydraulic cylinder fixedly connected with the shell of the punching machine, the hydraulic cylinder is controlled by a hydraulic rod, an electromagnet is fixedly arranged on the hydraulic rod, a punching rod is fixedly arranged on the electromagnet, a punching connecting rod is arranged on the punching rod in a sliding manner and is connected with the punching rod through a reset spring, a punching ring is fixedly arranged on the punching connecting rod, two abutting plates are symmetrically arranged in the punching rod in a sliding manner and are connected with each other through springs, the abutting plates are in contact and abut against the punching connecting rod, a winding wheel shaft is arranged in the punching rod in a rotating manner, a winding wheel is fixedly arranged on the winding wheel shaft, a pulling rope is wound on the winding wheel, one end of the pulling rope is forked and is respectively fixedly connected with the abutting plates, and a sliding block is fixedly arranged at the other end of the pulling rope, the stamping device comprises a stamping rod, a sliding block, a stamping slide plate, a sliding plate, a male die, a stamping spring, a stamping ring, a sliding plate, a punch spring, a stamping spring, a sliding plate, a punch ring, a punch spring, a punch rod, a punch spring, a punch rod, a punch, a die and the punch, wherein the punch is connected with the punch, the punch and the punch.

2. The deformation-preventing stamping equipment for sheet metal part machining according to claim 1, characterized in that: the die mechanism include with the fixed base that is equipped with on the punch press shell, the fixed die that is equipped with on the base, the symmetry slides in the die and is equipped with two locating levers, the fixed buffer board that is equipped with on the locating lever, the buffer board with the die passes through buffer spring and connects, the symmetry just is fixed to be equipped with two sensors in the die, sensor accessible control terminal control the circular telegram of electro-magnet is cut off.

3. The deformation-preventing stamping equipment for sheet metal part machining according to claim 2, characterized in that: the base and the male die are fixed on the shell of the punching machine through screws, and when the base and the male die need to be replaced, the base and the male die can be detached.

4. The deformation-preventing stamping equipment for sheet metal part machining according to claim 1, characterized in that: the stamping rod is symmetrically and fixedly provided with two friction plates, a large friction force exists between the friction plates and the abutting plate, and the abutting plate can be ensured to reset firstly when the stamping ring and the abutting plate reset.

5. The deformation-preventing stamping equipment for sheet metal part machining according to claim 2, characterized in that: the stamping die is characterized in that an elastic sheet is arranged on the buffer plate in a sliding mode and connected with the buffer plate through an elastic sheet spring, and after stamping of the sheet metal part is completed, the stamping part can be popped up through resetting of the elastic sheet, so that a user can take out the stamping part conveniently.

6. The deformation-preventing stamping equipment for sheet metal part machining according to claim 1, characterized in that: the elastic force of the stamping spring is larger than that of the buffer spring, and the friction force between the male die and the stamping sliding plate is larger than that between the stamping machine shell and the sliding plate.

7. The deformation-preventing stamping equipment for sheet metal part machining according to claim 5, characterized in that: the elastic force of the elastic piece spring to the sheet metal part is smaller than the elastic force of the buffer spring to the sheet metal part, and the sheet metal part firstly presses the elastic piece into the buffer plate and then drives the buffer plate to move.

8. The deformation-preventing stamping equipment for sheet metal part machining according to claim 1, characterized in that: the stamping ring is tightly attached to the stamping rod, and the smoothness of a stamping surface can be ensured during stamping.

Technical Field

The invention relates to the field of sheet metal machining, in particular to deformation-preventing stamping equipment for sheet metal part machining.

Background

The external force is applied to the sheet metal parts and the like by a press and a die to cause the sheet metal parts to generate plastic deformation or separation, thereby obtaining the forming processing method of the sheet metal parts with required shapes and sizes, because the thickness of each sheet metal part is different, and simultaneously when the stamping depth is deeper, the sheet metal parts can be stretched for a longer length in the stamping process, the thickness of the sheet metal parts can be thinned at the moment, if the sheet metal parts are thinner, the sheet metal parts can not be tightly attached to a male die and a female die, so that deformation, folds and even cracks can be generated on the sheet metal parts, the use of the sheet metal parts is influenced, the existing program can not control the stamping diameter of the male die according to the thickness difference of the sheet metal parts, therefore, the stamping diameter of the male die can be changed by detecting the thickness of the sheet metal parts, and the sheet metal parts with different thicknesses can be effectively processed to solve the problems.

Disclosure of Invention

The invention aims to provide anti-deformation stamping equipment for processing sheet metal parts, which solves the problem that the sheet metal parts are easy to deform during processing due to different thicknesses.

The technical purpose of the invention is realized by the following technical scheme: an anti-deformation stamping device for sheet metal part machining comprises a stamping machine shell, wherein a female die mechanism is arranged in the stamping machine shell and used for detecting the thickness of a sheet metal part and making corresponding changes;

the female die mechanism is correspondingly provided with a male die mechanism, the male die mechanism comprises a hydraulic cylinder fixedly connected with the shell of the punching machine, the hydraulic cylinder is controlled by a hydraulic rod, an electromagnet is fixedly arranged on the hydraulic rod, a punching rod is fixedly arranged on the electromagnet, a punching connecting rod is arranged on the punching rod in a sliding manner and is connected with the punching rod through a reset spring, a punching ring is fixedly arranged on the punching connecting rod, two abutting plates are symmetrically arranged in the punching rod in a sliding manner and are connected with each other through springs, the abutting plates are in contact and abut against the punching connecting rod, a winding wheel shaft is arranged in the punching rod in a rotating manner, a winding wheel is fixedly arranged on the winding wheel shaft, a pulling rope is wound on the winding wheel, one end of the pulling rope is forked and is respectively fixedly connected with the abutting plates, and a sliding block is fixedly arranged at the other end of the pulling rope, the sliding block is made of iron, the sliding block is in sliding connection with the stamping rod, the sliding block is in contact and abutted with the bulge on the stamping rod, the electromagnet is symmetrically and fixedly provided with two connecting rods, the connecting rod is fixedly provided with a stamping sliding plate, the shell of the stamping machine is provided with a sliding plate in a sliding manner, the sliding plate is fixedly provided with a male die, the male die is in sliding connection with the stamping sliding plate and is connected with the stamping sliding plate through a stamping spring, when the stamping machine works, the electromagnet is controlled to be switched on and off to control the movement of the stamping ring according to the thickness of a sheet metal part, so that the stamping rods with different diameters stamp sheet metal parts with different thicknesses, the sheet metal parts can be tightly attached to the inner wall of the stamping machine and cannot deform during stamping, the hydraulic rod can drive the electromagnet to move during moving, and the connecting rod and the stamping rod are driven by the electromagnet to move, the connecting rod can drive the stamping sliding plate to move, the stamping sliding plate drives the male die to move, the male die drives the sliding plate to move, the sliding block can drive the pull rope to move when moving, the pull rope drives the abutting plate to move, the stamping connecting rod can drive the stamping ring to move when moving, and the winding reel can drive the winding reel shaft to rotate when rotating.

Preferably, the female die mechanism comprises a base fixedly arranged on the shell of the punching machine, a female die is fixedly arranged on the base, two positioning rods are symmetrically and slidably arranged in the female die, a buffer plate is fixedly arranged on the positioning rods, the buffer plate is connected with the female die through a buffer spring, two sensors are symmetrically and fixedly arranged in the female die, the sensors are contact sensors, the sensors can control the on-off of the electromagnet through a control terminal, and the buffer plate can drive the positioning rods to move when moving.

Preferably, the base and the punch are fixed to the punch housing by screws, and the base and the punch can be detached when they need to be replaced.

Preferably, the stamping rod is symmetrically and fixedly provided with two friction plates, a large friction force exists between the friction plates and the abutting plate, and when the stamping ring and the abutting plate are reset, the abutting plate can be ensured to reset firstly.

Preferably, the buffer plate is provided with an elastic sheet in a sliding manner, the elastic sheet is connected with the buffer plate through an elastic sheet spring, and after the stamping of the sheet metal part is completed, the elastic sheet is reset to eject the stamping part, so that a user can take out the stamping part conveniently.

Preferably, the elastic force of the punch spring is larger than the elastic force of the buffer spring, and the frictional force between the punch and the punch slide plate is larger than the frictional force between the punch housing and the slide plate.

Preferably, the elastic force of the elastic spring to the sheet metal part is smaller than the pressure of the male die to the sheet metal part.

Preferably, the stamping ring and the stamping rod are tightly attached to each other, so that the flatness of the stamping surface can be ensured.

In conclusion, the invention has the following beneficial effects: the stamping diameter of the male die can be changed according to the thickness difference of the sheet metal parts, the sheet metal parts with different thicknesses can be effectively stamped, the sensor can judge the thickness condition of the sheet metal and control the on-off of the electromagnet, the stamping diameter of the male die can be changed along with the movement of the stamping ring, the reel can control the movement of the abutting block, the abnormal movement of the stamping ring is prevented, and the elastic piece can eject the stamping part from the female die after the stamping is finished, so that the stamping part is convenient to take out.

Drawings

In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the embodiment of the present invention at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 1;

fig. 4 is an external view schematically showing the male die mechanism of the present invention.

Detailed Description

The deformation-preventing stamping equipment for sheet metal part processing, which is described in conjunction with the attached drawings 1-4, comprises a stamping machine shell 11, wherein a female die mechanism 101 is arranged in the stamping machine shell 11, and the female die mechanism 101 is used for detecting the thickness of a sheet metal part and making corresponding changes;

the female die mechanism 101 is correspondingly provided with a male die mechanism 102, the male die mechanism 102 comprises a hydraulic cylinder 12 fixedly connected with the punch housing 11, the hydraulic cylinder 12 controls a hydraulic rod 13, the hydraulic rod 13 is fixedly provided with an electromagnet 26, the electromagnet 26 is fixedly provided with a punching rod 27, the punching rod 27 is slidably provided with a punching connecting rod 31, the punching connecting rod 31 is connected with the punching rod 27 through a reset spring 28, the punching connecting rod 31 is fixedly provided with a punching ring 32, the punching rod 27 is internally and symmetrically slidably provided with two abutting plates 30, the two abutting plates 30 are connected through a spring 37, the abutting plates 30 are in contact and abut against with the punching connecting rod 31, the punching rod 27 is provided with a winding wheel shaft 34, the winding wheel shaft 34 is fixedly provided with a winding wheel 35, and the winding wheel 35 is wound with a pull rope 29, one end of the pull rope 29 is bifurcated and is fixedly connected with the abutting plate 30 respectively, the other end of the pull rope 29 is fixedly provided with a sliding block 33, the sliding block 33 is made of iron, the sliding block 33 is in sliding connection with the stamping rod 27, the sliding block 33 is in contact and abutting contact with a protrusion on the stamping rod 27, the electromagnet 26 is symmetrically and fixedly provided with two connecting rods 25, a stamping sliding plate 23 is fixedly arranged on each connecting rod 25, a sliding plate 21 is arranged on the stamping machine shell 11 in a sliding manner, a male die 22 is fixedly arranged on each sliding plate 21, the male die 22 is in sliding connection with the stamping sliding plate 23, the male die 22 is connected with the stamping sliding plate 23 through a stamping spring 24, and during work, according to the thickness of a sheet metal part, the electromagnet 26 electrically controls the movement of the stamping ring 32 to realize that the stamping rods 27 with different diameters stamp sheet metal parts with different thicknesses, the sheet metal part can be tightly attached to the inner wall of the stamping device, the sheet metal part cannot deform during stamping, the hydraulic rod 13 can drive the electromagnet 26 to move when moving, the electromagnet 26 drives the connecting rod 25 and the stamping rod 27 to move, the connecting rod 25 can drive the stamping sliding plate 23 to move, the stamping sliding plate 23 drives the male die 22 to move, the male die 22 drives the sliding plate 21 to move, the sliding block 33 can drive the pull rope 29 to move when moving, the pull rope 29 drives the abutting plate 30 to move, the stamping connecting rod 31 can drive the stamping ring 32 to move when moving, and the reel 35 can drive the winding wheel shaft 34 to rotate when rotating.

Beneficially, the die mechanism 101 includes a base 14 fixedly arranged on the punch housing 11, a die 15 is fixedly arranged on the base 14, two positioning rods 20 are symmetrically and slidably arranged in the die 15, a buffer plate 17 is fixedly arranged on the positioning rods 20, the buffer plate 17 is connected with the die 15 through a buffer spring 38, two sensors 16 are symmetrically and fixedly arranged in the die 15, the sensors 16 are contact sensors, the sensors 16 can control the on-off state of the electromagnet 26 through a control terminal, and the buffer plate 17 can drive the positioning rods 20 to move when moving.

Advantageously, the base 14 and the punch 22 are fixed to the punch housing 11 by screws, which can be removed when the base 14 and the punch 22 need to be replaced.

Beneficially, two friction plates 36 are symmetrically and fixedly arranged on the stamping rod 27, a large friction force exists between the friction plates 36 and the abutting plate 30, and when the stamping ring 32 and the abutting plate 30 are reset, the abutting plate 30 can be ensured to be reset first.

Beneficially, the buffering plate 17 is slidably provided with a spring plate 18, the spring plate 18 is connected with the buffering plate 17 through a spring plate spring 19, and after the stamping of the sheet metal part is completed, the spring plate 18 is reset to eject the stamping part, so that a user can take out the stamping part conveniently.

Advantageously, the spring force of the punch spring 24 is greater than the spring force of the buffer spring 38, and the friction force between the punch 22 and the punch slide plate 23 is greater than the friction force between the punch housing 11 and the slide plate 21.

Advantageously, the spring force of the leaf spring 19 against the sheet metal part is smaller than the pressure of the punch 22 against the sheet metal part.

Advantageously, the stamping ring 32 and the stamping rod 27 are tightly attached to each other, so that the flatness of the stamping surface can be ensured.

The use method of the invention comprises the following steps:

in the initial state, the pressing spring 24, the return spring 28, the spring 37, and the damper spring 38 are in the normal state.

When a user punches a sheet metal part, the user firstly debugs a program to enable the hydraulic cylinder 12 to control the hydraulic rod 13 to punch according to a specified mode, and after the punching is finished, the user places the sheet metal part on the female die 15, starts the hydraulic cylinder 12, the hydraulic cylinder 12 drives the hydraulic rod 13 to move, the hydraulic rod 13 drives the electromagnet 26 to move, the electromagnet 26 drives the connecting rod 25 and the stamping rod 27 to move, the connecting rod 25 drives the stamping sliding plate 23 to move, the stamping sliding plate 23 drives the male die 22 to move, the male die 22 drives the sliding plate 21 to move, the male die 22 moves to contact with the sheet metal part and drives the sheet metal part to move in the female die 15, the sheet metal part drives the buffer plate 17 to move in the female die 15, at the moment, the male die 22 punches and cuts off the corner part of the sheet metal part, when the male die 22 is engaged with the female die 15, the hydraulic cylinder 12 is controlled to be closed by the program, and the sensor 16 is started, so that the buffer plate 17 is positioned in the female die 15.

If the buffer plate 17 is contacted with the sensor 16, the thickness of the sheet metal part is determined to be thick, the sensor 16 is triggered to enable the electromagnet 26 to be electrified through the control terminal, the electromagnet 26 adsorbs the sliding block 33 and the stamping connecting rod 31, the sliding block 33 moves to drive the pulling rope 29 to move, the pulling rope 29 drives the abutting plate 30 to move, the abutting plate 30 is not contacted with the stamping connecting rod 31 any more and is adsorbed and moved by the electromagnet 26, after the completion of the process, the hydraulic cylinder 12 is started again, the sensor 16 is closed, when the punch 22 drives the sheet metal part and the buffer plate 17 to move to be contacted with the die 15, the punch 22 does not move any more and clamps the sheet metal part, at the moment, the stamping sliding plate 23 moves on the punch 22, the punch 22 drives the connecting rod 25 to move, the connecting rod 25 drives the electromagnet 26 to move, the electromagnet 26 drives the stamping rod 27 to move, the stamping rod 27 stamps the sheet metal part, at the moment, the diameter of the stamping rod 27 is small, and the thickness of the sheet metal part is thick, the sheet metal part can be attached to the female die 15 during stamping, deformation of the sheet metal part due to the fact that the stamping depth is deep and the original part is too long to be attached to the female die 15 is avoided, after stamping is completed, when a user controls the hydraulic cylinder 12, the hydraulic cylinder is reset, the abutting plate 30 is reset slowly due to the friction force of the friction plate 36, the stamping connecting rod 31 drives the stamping ring 32 to reset in advance, at the moment, due to the fact that pressure is withdrawn, the elastic sheet 18 resets, the stamping part is ejected from the female die 15, and the user can take the stamping part down conveniently.

If buffer board 17 and sensor 16 contactless, then judge that the thickness of sheet metal component is thinner, at this moment, sensor 16 does not trigger, and the procedure restarts hydraulic cylinder 12, closes sensor 16, repeats the above-mentioned step, carries out the punching press to the sheet metal component, and the diameter of stamping rod 27 is big and the thickness of sheet metal component is thinner this moment, can ensure sheet metal component and die 15 laminating during the punching press, when preventing the sheet metal component punching press, because the stamping depth is dark, the tensile overlength of original paper and not laminating with die 15, produce deformation.

When the next sheet metal part is stamped, a user needs to manually place the sheet metal part on the female die 15, and the steps are repeated until all the sheet metal parts are stamped.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.