阅读说明：本技术 一种冲压件局部定位装置及其控制方法 (Local positioning device for stamping part and control method thereof ) 是由 厚霁函 于 2021-09-14 设计创作，主要内容包括：本发明提供了一种冲压件局部定位装置,包括:底座,其可拆卸连接冲压底座；行程架,其支撑在所述底座一端,可拆卸连接冲压部；定位调整架,其设置在所述底座上；定位座,其连接所述定位调整架；其中,所述定位调整架能够调整所述定位座与所述行程架的相对位置,本发明提供的冲压件局部定位装置,能够通过定位调整架调整定位座的位置,以纠正在冲压件加工过程中因冲头压力导致的定位座偏离形变问题,以达到更好的加工效果。(The invention provides a local positioning device for a stamping part, which comprises a base, a positioning device and a positioning device, wherein the base is detachably connected with a stamping base; the stroke frame is supported at one end of the base and is detachably connected with the stamping part; the positioning adjusting frame is arranged on the base; the positioning seat is connected with the positioning adjusting frame; the local positioning device for the stamping part can adjust the position of the positioning seat through the positioning adjusting frame so as to correct the problem of deviation and deformation of the positioning seat caused by pressure of a punch in the stamping part processing process, and achieve a better processing effect.)

1. A local positioning device for a stamping part, comprising:

the base is detachably connected with the stamping base;

the stroke frame is supported at one end of the base and is detachably connected with the stamping part;

the positioning adjusting frame is arranged on the base;

the positioning seat is connected with the positioning adjusting frame;

the positioning adjusting frame can adjust the relative position of the positioning seat and the stroke frame.

2. The stamping local positioning device of claim 1, wherein the base includes:

a base plate having a plurality of through mounting screw holes;

at least one handle integrally connected with the bottom plate and capable of pulling the bottom plate.

3. A local positioning device for a stamping part according to claim 1 or 2, characterized in that the positioning seat comprises:

the supporting seat is supported on the base and is provided with an installation groove with an arc-shaped section;

the footstock, its bottom have with arc mounting groove complex bellying, the footstock can be followed the arc mounting groove slides, the footstock includes:

a mounting boss integrally connected to the boss portion and having a stamping part placing hole;

and one end of the connecting piece is detachably connected with the mounting boss, and the other end of the connecting piece is connected with the stroke frame in a sliding manner.

4. A stamping part positioning device as claimed in claim 3, wherein the connector comprises:

a pad tab, which is "L" shaped;

the mounting piece is H-shaped, is arranged at one end of the pad connecting piece, is integrally connected with the pad connecting piece, and is provided with a plurality of mounting holes;

and wedge-shaped pieces are arranged at the corner positions of the pad connecting pieces and used for supporting and fixing.

5. The stamping part positioning device of claim 4, wherein the positioning adjustment frame comprises:

the first adjusting mechanism is arranged at one end of the positioning seat and can push the positioning seat to move;

the second adjusting mechanism is arranged at the other end of the positioning seat and can push the positioning seat to move;

the third adjusting mechanism is arranged on one side of the positioning seat and can push the positioning seat to move;

and the fourth adjusting mechanism is arranged on the other side of the positioning seat and can push the positioning seat to move.

6. The localized positioning device of a stamping of claim 5, wherein the adjustment mechanisms each include:

the supporting slide rail is detachably connected with the base;

the pushing block is slidably arranged on the supporting slide rail;

the hydraulic motor is detachably arranged on the base and can be matched and connected with the pushing block.

7. The local positioning device for a stamping part as claimed in claim 6, wherein the pushing block has a plurality of fitting holes.

8. The localized positioning device of a stamping according to claim 7, wherein the hydraulic motor comprises:

an electric motor;

the pushing column is arranged at one end of the motor and can extend into the matching hole to push the pushing block to slide along the supporting sliding rail.

9. A control method of a local positioning device of a stamping part is characterized by comprising the following steps:

respectively detecting the heights of the two ends of the top seat by using a sensor, and calculating a height difference;

detecting the deviation distance between the top seat and the supporting seat, and respectively setting the push column strokes of the hydraulic motors of the third adjusting mechanism and the fourth adjusting mechanism so as to correct the deviation distance;

calculating the deflection angle of the positioning seat according to the height difference and the structural parameters of the positioning seat;

and respectively setting the push column strokes of the hydraulic motors of the first adjusting mechanism and the second adjusting mechanism according to the deflection angle so as to correct the deflection angle of the positioning seat.

10. The control method of the local positioning device for the stamping part according to claim 9, characterized in that the deflection angle calculation formula of the positioning seat is as follows:

wherein alpha is the deflection angle of the positioning seat, delta is the correlation coefficient, M is the height of the section of the boss, R is the radius of the boss, and h is the height difference.

Technical Field

The invention relates to the technical field of machining, in particular to a local positioning device for a stamping part and a control method of the local positioning device.

Background

When the stamping part is drawn and formed, a fixed-size plate needs to be placed on the blank holder for positioning, then the female die presses the material, and the male die forms the drawn and formed part.

In the prior art, the positioning of the blank holder is fixed, and the positioning plate needs to be fixed after the position of the plate is adjusted. The locating plate that uses among the prior art, when getting a piece after the shaping, need lift the stamping workpiece minimum to be higher than the locating plate maximum and just can take out the process piece, increased operative employee's intensity of labour, and the skew deformation problem of locating seat that leads to because of drift pressure in the stamping workpiece course of working, make the stamping workpiece deformation of later stage processing irregular.

Disclosure of Invention

The invention provides a local positioning device for a stamping part, which can adjust the position of a positioning seat through a positioning adjusting frame so as to correct the problem of deviation and deformation of the positioning seat caused by the pressure of a punch in the process of processing the stamping part and achieve better processing effect.

The technical scheme provided by the invention is as follows:

a stamping part local positioning device, comprising:

the base is detachably connected with the stamping base;

the stroke frame is supported at one end of the base and is detachably connected with the stamping part;

the positioning adjusting frame is arranged on the base;

the positioning seat is connected with the positioning adjusting frame;

the positioning adjusting frame can adjust the relative position of the positioning seat and the stroke frame.

Preferably, the base includes:

a base plate having a plurality of through mounting screw holes;

at least one handle integrally connected with the bottom plate and capable of pulling the bottom plate.

Preferably, the positioning seat includes:

the supporting seat is supported on the base and is provided with an installation groove with an arc-shaped section;

the footstock, its bottom have with arc mounting groove complex bellying, the footstock can be followed the arc mounting groove slides, the footstock includes:

a mounting boss integrally connected to the boss portion and having a stamping part placing hole;

and one end of the connecting piece is detachably connected with the mounting boss, and the other end of the connecting piece is connected with the stroke frame in a sliding manner.

Preferably, the connecting member includes:

a pad tab, which is "L" shaped;

the mounting piece is H-shaped, is arranged at one end of the pad connecting piece, is integrally connected with the pad connecting piece, and is provided with a plurality of mounting holes;

and wedge-shaped pieces are arranged at the corner positions of the pad connecting pieces and used for supporting and fixing.

Preferably, the positioning adjustment frame includes:

the first adjusting mechanism is arranged at one end of the positioning seat and can push the positioning seat to move;

the second adjusting mechanism is arranged at the other end of the positioning seat and can push the positioning seat to move;

the third adjusting mechanism is arranged on one side of the positioning seat and can push the positioning seat to move;

and the fourth adjusting mechanism is arranged on the other side of the positioning seat and can push the positioning seat to move.

Preferably, the adjustment mechanisms each include:

the supporting slide rail is detachably connected with the base;

the pushing block is slidably arranged on the supporting slide rail;

the hydraulic motor is detachably arranged on the base and can be matched and connected with the pushing block.

Preferably, the push block has a plurality of engagement holes.

Preferably, the hydraulic motor includes:

an electric motor;

the pushing column is arranged at one end of the motor and can extend into the matching hole to push the pushing block to slide along the supporting sliding rail.

A control method of a local positioning device of a stamping part comprises the following steps:

respectively detecting the heights of the two ends of the top seat by using a sensor, and calculating a height difference;

detecting the deviation distance between the top seat and the supporting seat, and respectively setting the push column strokes of the hydraulic motors of the third adjusting mechanism and the fourth adjusting mechanism so as to correct the deviation distance;

calculating the deflection angle of the positioning seat according to the height difference and the structural parameters of the positioning seat;

and respectively setting the push column strokes of the hydraulic motors of the first adjusting mechanism and the second adjusting mechanism according to the deflection angle so as to correct the deflection angle of the positioning seat.

Preferably, the deflection angle calculation formula of the positioning seat is as follows:

wherein alpha is the deflection angle of the positioning seat, delta is the correlation coefficient, M is the height of the section of the boss, R is the radius of the boss, and h is the height difference.

The invention has the advantages of

The invention provides a local positioning device for a stamping part, which can adjust the position of a positioning seat through a positioning adjusting frame so as to correct the problem of deviation and deformation of the positioning seat caused by the pressure of a punch in the process of processing the stamping part and achieve better processing effect.

The invention also provides a control method of the local positioning device of the stamping part, which comprises the steps of respectively detecting the heights of the two ends of the top seat by using a sensor, and calculating the deflection angle of the positioning seat according to the height difference and the structural parameters of the positioning seat; the deflection angle and the deviation position of the positioning seat are corrected by setting the stroke of the push column of the hydraulic motor of the adjusting mechanism, so that the punching female die can be accurately positioned, and a better forming effect is achieved.

Drawings

Fig. 1 is a schematic structural view of a local positioning device for a stamping part according to the present invention.

Fig. 2 is a schematic structural diagram of the base according to the present invention.

Fig. 3 is a schematic structural diagram of the positioning seat according to the present invention.

Fig. 4 is a schematic structural view of a positioning adjustment frame according to the present invention.

Fig. 5 is a schematic structural diagram of an adjusting mechanism according to the present invention.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "lateral", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1, based on the technical problem of the background art, the present invention provides a local positioning device for a stamping part, including: the base 110, the stroke frame 120, the positioning adjusting frame 130 and the positioning seat 140.

Wherein, the base 110 is detachably connected with the stamping base; the stroke frame 120 is supported at one end of the base and is detachably connected with the stamping part; the positioning adjustment frame 130 is arranged on the base 110; the positioning base 140 is connected with the positioning adjustment frame 130; the positioning adjustment frame 130 can adjust the relative position between the positioning seat 140 and the stroke frame 120.

The local positioning device for the stamping part provided by the invention can adjust the position of the positioning seat through the positioning adjusting frame so as to correct the problem of deviation and deformation of the positioning seat caused by the pressure of the punch in the stamping part processing process, thereby achieving a better processing effect.

As shown in fig. 2, the base 110 includes: a base plate 111 and at least one handle 112, wherein the base plate 111 has a plurality of mounting screw holes therethrough; at least one handle 112 is integrally connected to the base plate 111 for pulling the base plate 111, and preferably two handles are provided to facilitate moving the stamping part positioning device.

As shown in fig. 3, the positioning socket 140 includes: a support base 141 and a top support base 141 supported on the base 110 and having mounting grooves with arc-shaped sections; the bottom of the top seat is provided with a convex part matched with the arc-shaped mounting groove, the top seat can slide along the arc-shaped mounting groove,

wherein, the footstock includes: the mounting boss 142 and the connecting piece 143, the mounting boss 142 is integrally connected with the boss and has a stamping part placing hole; one end of the connecting piece 143 is detachably connected with the mounting boss, and the other end is slidably connected with the stroke frame 120.

As a preference, the connecting member includes: a pad tab, which is "L" shaped; the mounting piece is H-shaped, is arranged at one end of the pad connecting piece, is integrally connected with the pad connecting piece, and is provided with a plurality of mounting holes; and wedge-shaped pieces are arranged at the corner positions of the pad connecting pieces and used for supporting and fixing.

As shown in fig. 4, the positioning adjustment frame 130 includes: a first adjustment mechanism 131, a second adjustment mechanism 132, a third adjustment mechanism 133, and a fourth adjustment mechanism 134.

The first adjusting mechanism 131 is arranged at one end of the positioning seat and can push the positioning seat to move; the second adjusting mechanism 132 is arranged at the other end of the positioning seat and can push the positioning seat to move; the third adjusting mechanism 133 is arranged on one side of the positioning seat and can push the positioning seat to move; and the fourth adjusting mechanism 134 is arranged on the other side of the positioning seat and can push the positioning seat to move.

As shown in fig. 5, the adjustment mechanisms each include: a support rail 151 detachably connected to the base; the pushing block is slidably arranged on the supporting slide rail; the hydraulic motor 152 is detachably arranged on the base and can be matched and connected with the pushing block. Preferably, the pusher block 154 has a plurality of mating holes. Preferably, the hydraulic motor includes: an electric motor; and the pushing column 153 is arranged at one end of the motor, and the pushing column can extend into the matching hole so as to push the pushing block to slide along the supporting sliding rail.

The invention also provides a control method of the local positioning device of the stamping part, which comprises the following steps:

respectively detecting the heights of the two ends of the top seat by using a sensor, and calculating a height difference;

detecting the deviation distance between the top seat and the supporting seat, and respectively setting the push column strokes of the hydraulic motors of the third adjusting mechanism and the fourth adjusting mechanism so as to correct the deviation distance;

calculating the deflection angle of the positioning seat according to the height difference and the structural parameters of the positioning seat;

preferably, the deflection angle calculation formula of the positioning seat is as follows:

wherein alpha is the deflection angle of the positioning seat, delta is the correlation coefficient, M is the height of the section of the boss, R is the radius of the boss, and h is the height difference

And respectively setting the push column strokes of the hydraulic motors of the first adjusting mechanism and the second adjusting mechanism according to the deflection angle so as to correct the deflection angle of the positioning seat.

The invention also provides a control method of the local positioning device of the stamping part, which comprises the steps of respectively detecting the heights of the two ends of the top seat by using a sensor, and calculating the deflection angle of the positioning seat according to the height difference and the structural parameters of the positioning seat; the deflection angle and the deviation position of the positioning seat are corrected by setting the stroke of the push column of the hydraulic motor of the adjusting mechanism, so that the punching female die can be accurately positioned, and a better forming effect is achieved.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.