CN116274505A

CN116274505A - Automobile part side shaping die with shaping pressure detection function and method

Info

Publication number: CN116274505A
Application number: CN202310356414.7A
Authority: CN
Inventors: 高虎; 高国界; 高国权; 刘娟; 黄安浪
Original assignee: Anhui Sushun Machinery Technology Co ltd
Current assignee: Anhui Sushun Machinery Technology Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-06-23

Abstract

The invention relates to the technical field of side shaping, in particular to an automobile part side shaping die with a shaping pressure detection function. And also relates to a method for shaping the side shaping mould of the automobile part with the shaping pressure detection function. The shaping device comprises an upper die and a lower die, wherein a shaping positioning block for positioning a workpiece is arranged on the lower die, a side shaping block matched with the shaping positioning block for side shaping the workpiece is arranged on the lower die in a sliding manner, the shaping positioning block comprises a fixed block fixedly connected with the lower die and a movable block slidingly connected with the lower die, a pressing plate for pressing the workpiece is connected to the upper die, a gap is reserved between the fixed block and the movable block, a pressure detection probe is arranged at the gap, and the shaping device further comprises an elastic connecting mechanism, a rigid connecting mechanism, a mode switching mechanism, a sliding driving mechanism and a shaping driving mechanism for controlling the side shaping block to move and perform side shaping.

Description

Automobile part side shaping die with shaping pressure detection function and method

Technical Field

The invention relates to the technical field of side shaping, in particular to an automobile part side shaping die with a shaping pressure detection function. And also relates to a method for shaping the side shaping mould of the automobile part with the shaping pressure detection function.

Background

The automobile parts are complex in structure, and a plurality of procedures such as punching, extrusion forming, punching, side shaping and the like are needed during processing; the existing side shaping die is required to be judged whether to be qualified or not according to shaping sample shaping results by means of worker experience when debugging is carried out, the detection mode is not scientific, large errors are easy to exist, and the automobile part side shaping die with shaping pressure detection function and the method are required.

An automobile part side shaping die with shaping pressure detection function and a method thereof are disclosed in Chinese patent application No. CN202011105761.5, wherein the shaping die comprises an upper die and a lower die; the lower die is provided with a profiling positioning block, and the lower die is provided with a side shaping block and a resetting assembly in a sliding manner; the upper die is elastically connected with a pressing plate and a side cutter; the profiling positioning block comprises a fixed block fixedly connected with the lower die and a movable block in sliding connection with the lower die, and the movable block is matched with the side shaping block to shape the side of the workpiece; a gap exists between the fixed block and the movable block, and a pressure detection probe is arranged at the gap; the fixed block is provided with a supporting block for supporting the pressure detection probe, the thickness of the supporting block is smaller than the gap, and the pressure detection probe is equivalent to the width of the gap; the lower die is provided with a distance adjusting assembly for adjusting the distance between the movable block and the fixed block; the shaping force during shaping can be accurately obtained through the mode, the shaping force can be used as an evaluation standard for monitoring product quality standard or the loss degree of a die during actual production, and the shaping force can also be used for debugging a side shaping die.

In the prior art, the traditional automobile part side shaping technology has the problems of inaccurate pressure control, easy part deformation, low shaping precision and the like, and needs to be improved.

In the above patent, the upper die is in contact with the pressing plate only through elastic connection, and although the workpiece can have a certain position adjustment capability, the clamping force on the workpiece is insufficient in the lateral shaping process, and offset is easy to occur, so that shaping failure is caused.

Disclosure of Invention

In view of the above, it is necessary to provide an automobile part side shaping die with shaping pressure detection function and a method thereof, which solve the problems of the prior art.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

the invention provides an automobile part side shaping die with shaping pressure detection function, which comprises an upper die and a lower die, wherein a shaping positioning block for positioning a workpiece is arranged on the lower die, a side shaping block matched with the shaping positioning block for shaping the workpiece is arranged on the lower die in a sliding manner, the shaping positioning block comprises a fixed block fixedly connected with the lower die and a movable block slidingly connected with the lower die, a pressing plate for pressing the workpiece is connected on the upper die, a gap exists between the fixed block and the movable block, a pressure detection probe is arranged at the gap, and the side shaping die also comprises an elastic connection mechanism, a rigid connection mechanism, a mode switching mechanism, a sliding driving mechanism and a shaping driving mechanism for controlling the side shaping block to move and perform side shaping.

Preferably, the sliding driving mechanism is provided with two groups, the two groups of sliding driving mechanisms are symmetrically arranged along the vertical center plane of the profiling positioning block, the sliding driving mechanism comprises a first vertical connecting rod, an inclined guide rod and a sliding seat, one end of the first vertical connecting rod is fixedly connected with the top end of the upper die, the bottom end of the first vertical connecting rod is fixedly connected with one end of the inclined guide rod, an inclined guide groove in sliding fit with the inclined guide rod is arranged on the sliding seat, the other end of the inclined guide rod is in transmission connection with the sliding seat through the inclined guide groove, the inclined guide rod is gradually inclined towards the direction of the fixed seat from bottom to top, and the sliding seat is fixedly connected with the side wall of the movable block.

Preferably, the shaping driving mechanism comprises a first inclined guide block, a reset rod and a first reset spring, wherein the first inclined guide block is fixedly connected to the upper die, the reset rod is horizontally arranged on the lower die, one end of the reset rod is fixedly connected with the side shaping block, the other end of the reset rod is slidably connected with the lower die, the first reset spring is sleeved on the first reset spring, one end of the first reset spring is fixedly connected with the side wall of the side shaping block, the other end of the first reset spring is fixedly connected with the lower die, a first inclined surface is arranged on the first inclined guide block, a first reverse inclined surface matched with the first inclined surface is arranged on the side shaping block, and the first inclined guide block and the side shaping block are in transmission connection through the first inclined surface and the first reverse inclined surface.

Preferably, the elastic connection mechanism comprises a driving plate, a vertical limiting rod and an elastic connection piece, wherein the driving plate is fixedly connected with the upper die, the driving plate is horizontally arranged between the upper die and the lower die, the driving plate is positioned right above the pressing plate, the vertical limiting rod is provided with four ends which are respectively positioned on the pressing plate, the bottom end of the vertical limiting rod is fixedly connected with the top end of the pressing plate, the top end of the vertical limiting rod penetrates through the driving plate to extend upwards and is in sliding connection with the driving plate, the elastic connection piece is positioned on the vertical limiting rod in a sleeved mode, and two ends of the elastic connection piece are respectively connected with the driving plate and the pressing plate in a transmission mode.

Preferably, the elastic connecting mechanism further comprises a fixing plate and four second vertical connecting rods, the fixing plate is horizontally arranged between the driving plate and the pressing plate, the four second vertical connecting rods are respectively located at four ends of the fixing plate, the bottom ends of the second vertical connecting rods are fixedly connected with the top ends of the fixing plate, the top ends of the second vertical connecting rods are fixedly connected with the bottom ends of the driving plate, the vertical limiting rods penetrate through the ends of the fixing plate and are in sliding connection with the fixing plate, the top ends of the elastic connecting pieces are fixedly connected with the bottom ends of the fixing plate, the bottom ends of the elastic connecting pieces are fixedly connected with the top ends of the pressing plate, and the rigid connecting mechanism is arranged between the fixing plate and the driving plate.

Preferably, the rigid connection mechanism comprises a supporting plate, the telescopic link, the second reset spring, the conflict hold-down bar and support the feeler lever, the setting that the conflict board can be vertical gliding is between fixed plate and drive plate, vertical gag lever post passes the tip of conflict board and with conflict board sliding connection, the vertical center department that sets up at the conflict board of telescopic link, the second reset spring cover is established on the telescopic link, the both ends of telescopic link and second reset spring all with the top of conflict board and the bottom fixed connection of drive plate, the vertical fixed mounting of conflict hold-down bar is in the bottom of conflict board, the vertical fixed mounting of conflict pole is on the top of pressing the flitch, the coaxial setting of conflict hold-down bar is supported to the touch down bar, the hold-down groove that is used for locking to support the feeler lever tip has been seted up to the bottom of conflict hold-down bar, be equipped with on the fixed plate and be used for dodging the groove of conflict feeler lever, conflict board is connected with mode switching mechanism transmission.

Preferably, the mode switching mechanism comprises a fixed inclined guide block, a horizontal inclined guide block, a connecting frame, a horizontal limiting rod and a third reset spring, wherein the fixed inclined guide block is fixedly arranged at the top of the abutting plate, the horizontal inclined guide block can horizontally slide between the driving plate and the abutting plate, the horizontal limiting rod is horizontally arranged on the upper die, the length direction of the horizontal limiting rod is perpendicular to the sliding direction of the movable block, the connecting frame is slidably arranged on the upper die, one end of the connecting frame is fixedly connected with the horizontal inclined guide block, the other end of the connecting frame is in transmission connection with the sliding driving mechanism, one end of the horizontal limiting rod is fixedly connected with the side wall of the connecting frame, the other end of the horizontal limiting rod is in sliding connection with the upper die, the third reset spring is sleeved on the horizontal limiting rod, one end of the third reset spring is fixedly connected with the connecting frame, the other end of the third reset spring is fixedly connected with the upper die, a second inclined surface is arranged on the horizontal inclined guide block, and a second inclined surface matched with the second inclined surface is arranged on the fixed inclined guide block.

Preferably, the sliding driving mechanism further comprises a horizontal transmission rod, a second inclined guide block, a first vertical sliding block and a vertical lifting rod, wherein the horizontal transmission rod is fixedly installed on one side, close to the fixed block, of the sliding seat, the second inclined guide block is fixedly installed on one end, far away from the sliding seat, of the horizontal transmission rod, the first vertical sliding block can be lifted and arranged on the lower die, a third inclined surface is arranged on one side, close to the first vertical sliding block, of the second inclined guide block, a third inclined surface matched with the third inclined surface is arranged at the bottom end of the first vertical sliding block, the vertical lifting rod is arranged above the vertical sliding block, the bottom end of the vertical lifting rod is fixedly connected with the first vertical sliding block, and the top end of the vertical lifting rod is in transmission connection with the mode switching mechanism.

Preferably, the mode switching mechanism further comprises a second vertical sliding block and a third vertical sliding block, the second vertical sliding block is fixedly arranged at the top end of the vertical lifting rod, the third vertical sliding block is fixedly arranged at the bottom end of the connecting frame, a fourth inclined surface is arranged at the top end of the second vertical sliding block, and a fourth reverse inclined surface matched with the fourth inclined surface is arranged on the third vertical sliding block.

The application method of the automobile part side shaping die with the shaping pressure detection function comprises the following steps of:

s1: placing a workpiece to be shaped on a profiling positioning block, and enabling an upper die to move downwards to drive a shaping driving mechanism and a pressing plate which are arranged on the upper die to synchronously descend;

s2: the movable block in transmission connection with the movable block is driven to move towards the fixed block through the sliding driving mechanism, and when the movable block slides, the pressing plate is used for limiting a workpiece;

s3: the material pressing plate is fixedly connected with the upper die through an elastic connecting mechanism until the movable block abuts against a pressure detection probe arranged at the gap, and the sliding driving mechanism completes a driving function and drives a mode switching mechanism in transmission connection with the movable block to work;

s4: the connection mode between the pressing plate and the upper die is switched from an elastic connection mechanism to a rigid connection mechanism, namely the pressing plate is fixed with the upper die, so that the pressing plate does not have an elastic function, and a workpiece between the pressing plate and the profiling positioning block is clamped;

s5: the shaping driving mechanism drives the side shaping block to carry out shaping operation on the workpiece, and in the shaping operation process, the pressure value of shaping can be detected through the pressure detection probe, so that the shaping effect is judged and whether the error of the detection die is in a reasonable range is judged;

s6: after finishing shaping, the automobile part is taken out from the die and is subjected to subsequent treatment.

Compared with the prior art, the invention has the beneficial effects that:

1. in the shaping operation process, the pressure value of shaping can be detected through the pressure detection probe, so that the shaping effect is judged, whether the error of the detection die is in a reasonable range or not is judged, the function of accurately shaping a workpiece is realized, and the function of detecting the shaping pressure in the shaping process can be realized.

2. The mode switching mechanism drives the upper die to switch modes, so that the connection mode between the material pressing plate and the upper die is switched to the rigid connection mechanism by the elastic connection mechanism, namely, the material pressing plate is fixed with the upper die, and the material pressing plate does not have an elastic function, so that workpieces between the material pressing plate and the profiling positioning block are clamped, the workpieces are prevented from shifting in the shaping process, the shaping accuracy is improved, and the product quality is improved.

3. The invention can control the shaping pressure more accurately, effectively avoid the deformation of parts and improve the shaping precision and efficiency. The pressure applied to the die can be detected and controlled in real time. The invention has the advantages of convenient operation, wide application range and high shaping precision.

Drawings

FIG. 1 is a schematic perspective view of a shaping mold for an automobile part side with shaping pressure detecting function;

FIG. 2 is an elevation view of an automotive part side shaping mold with shaping pressure detection;

FIG. 3 is a side view of an automotive part side shaping mold with shaping pressure detection;

FIG. 4 is a cross-sectional view of an automotive part side shaping die with shaping pressure detection;

FIG. 5 is a schematic view of a partial perspective view of a reforming mold for an automotive part side with a reforming pressure detection function;

FIG. 6 is a partial structure elevation view of an automobile part side shaping die with shaping pressure detecting function;

FIG. 7 is a cross-sectional view of a slide driving mechanism in an auto part side shaping die with shaping pressure detecting function;

FIG. 8 is a schematic perspective view of a slide driving mechanism and a mode switching mechanism in an auto part side shaping mold with shaping pressure detecting function;

FIG. 9 is a cross-sectional view of a mode switching mechanism in an auto part side sizing die with a sizing pressure detection function;

fig. 10 is a perspective sectional view of a part of a three-dimensional structure in an automobile part side sizing die with a sizing pressure detecting function.

The reference numerals in the figures are:

1. an upper die; 2. a lower die; 3. a pressing plate; 4. a workpiece; 5. a fixed block; 6. a movable block; 7. a side shaping block; 8. a shaping driving mechanism; 9. an elastic connection mechanism; 10. a rigid connection mechanism; 11. a mode switching mechanism; 12. a slide driving mechanism; 13. a pressure detection probe; 14. a first oblique guide block; 15. a reset lever; 16. a first return spring; 17. a driving plate; 18. a vertical limit rod; 19. an elastic connection member; 20. a contact plate; 21. a telescopic rod; 22. a second return spring; 23. the pressing rod is abutted; 24. a compaction groove; 25. a touch-up rod; 26. an avoidance groove; 27. fixing the oblique guide block; 28. a horizontal oblique guide block; 29. a connecting frame; 30. a horizontal stop lever; 31. a third return spring; 32. a third vertical sliding block; 33. a first vertical connecting rod; 34. an inclined guide rod; 35. a sliding seat; 36. an inclined guide groove; 37. a horizontal transmission rod; 38. a second oblique guide block; 39. a first vertical sliding block; 40. a vertical lifting rod; 41. a second vertical sliding block; 42. a fixing plate; 43. a second vertical connecting rod.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

The automobile part side shaping die with the shaping pressure detection function comprises an upper die 1 and a lower die 2, wherein a shaping positioning block for positioning a workpiece 4 is arranged on the lower die 2, a side shaping block 7 for performing side shaping on the workpiece 4 in cooperation with the shaping positioning block is arranged on the lower die 2 in a sliding manner, the shaping positioning block comprises a fixed block 5 fixedly connected with the lower die 2 and a movable block 6 in sliding connection with the lower die 2, a pressing plate 3 for pressing the workpiece 4 is connected to the upper die 1, a gap exists between the fixed block 5 and the movable block 6, a pressure detection probe 13 is arranged at the gap, an elastic connection mechanism 9, a rigid connection mechanism 10, a mode switching mechanism 11, a sliding driving mechanism 12 and a shaping driving mechanism 8 for controlling the side shaping block 7 to move and perform side shaping are further arranged on the lower die 2, the elastic connection mechanism 9 and the rigid connection mechanism 10 are arranged on the upper die 1, the upper die 1 is elastically connected with the pressing plate 3 through the elastic connection mechanism 9 before die assembly, a sliding driving mechanism 12 and the sliding driving mechanism 12 is connected with the pressing plate 3 in a sliding manner to the upper die 1 through the elastic connection mechanism 12, and the sliding driving mechanism 11 is enabled to be in a sliding connection with the pressing plate 3 when the sliding driving mechanism 11 is in a sliding connection with the pressing plate 3 through the sliding driving mechanism 11.

When the invention works, a workpiece 4 to be shaped is placed on a profiling positioning block, an upper die 1 moves downwards to drive a shaping driving mechanism 8 and a pressing plate 3 which are arranged on the upper die 1 to synchronously descend, at the moment, the pressing plate 3 is fixedly connected with the upper die 1 through an elastic connecting mechanism 9, a movable block 6 which is in transmission connection with the pressing plate is driven to move towards a fixed block 5 through a sliding driving mechanism 12, when the movable block 6 slides, the pressing plate 3 is used for limiting the workpiece 4, the workpiece 4 has a certain displacement function because the pressing plate 3 is in an elastic connection state with the die 1, the workpiece 4 is driven by the shaping driving mechanism 8 to synchronously move towards the fixed block 5 along with the movable block 6 until the movable block 6 is in collision with a pressure detection probe 13 which is arranged at a gap, the sliding driving mechanism 12 completes a driving function and drives a mode switching mechanism 11 which is in transmission connection with the movable block 6 to work, the mode switching mechanism 11 drives the upper die 1 to perform mode switching, so that the connection mode between the material pressing plate 3 and the upper die 1 is switched to the rigid connection mechanism 10 by the elastic connection mechanism 9, namely, the material pressing plate 3 is fixed with the upper die 1, so that the material pressing plate 3 does not have an elastic function, and therefore, the workpiece 4 between the material pressing plate 3 and the profiling positioning block is clamped, at the moment, the side profiling block 7 is driven by the profiling driving mechanism 8 to perform profiling operation on the workpiece 4, and in the profiling operation process, the pressure value of profiling can be detected by the pressure detection probe 13, so that the profiling effect is judged, whether the die error is in a reasonable range or not, the function of accurately profiling the workpiece 4 is realized, and the function of detecting the profiling pressure in the profiling process can be realized.

It is worth mentioning that the pressure detection probe 13 level sets up in the gap, and the lateral wall fixed connection of pressure detection probe 13 and fixed block 5, and the detection end of pressure detection probe 13 is directional one side of movable block 6, and pressure detection probe 13 is equipped with four at least, and four at least pressure detection probes 13 set up at the fixed block 5 four tip that are close to movable block 6 one side to be convenient for carry out accurate detection to the pressure in each direction in the contralateral plastic process, prevent that the plastic pressure of side plastic piece 7 is inhomogeneous, thereby provide the precision of mould plastic operation.

The sliding driving mechanisms 12 are arranged in two groups, the two groups of sliding driving mechanisms 12 are symmetrically arranged along the vertical center plane of the profiling positioning block, the sliding driving mechanisms 12 comprise a first vertical connecting rod 33, an inclined guide rod 34 and a sliding seat 35, one end of the first vertical connecting rod 33 is fixedly connected with the top end of the upper die 1, the bottom end of the first vertical connecting rod 33 is fixedly connected with one end of the inclined guide rod 34, an inclined guide groove 36 which is in sliding fit with the inclined guide rod 34 is arranged on the sliding seat 35, the other end of the inclined guide rod 34 is in transmission connection with the sliding seat 35 through the inclined guide groove 36, the inclined guide rod 34 is gradually inclined to the fixed seat direction from bottom to top, and the sliding seat 35 is fixedly connected with the side wall of the movable block 6.

When the sliding driving mechanism 12 works, the upper die 1 descends to drive the first vertical connecting rod 33 fixedly connected with the upper die to synchronously descend, the inclined guide rod 34 fixedly connected with the first vertical connecting rod 33 moves in a synchronous lifting mode, and the inclined guide rod 34 drives the sliding seat 35 to slide in the horizontal direction through the inclined guide groove 36 in sliding fit with the inclined guide rod 34 in the moving process, so that the horizontal driving function of the sliding driving mechanism 12 on the movable block 6 is realized.

The shaping driving mechanism 8 comprises a first inclined guide block 14, a reset rod 15 and a first reset spring 16, wherein the first inclined guide block 14 is fixedly connected to the upper die 1, the reset rod 15 is horizontally arranged on the lower die 2, one end of the reset rod 15 is fixedly connected with the side shaping block 7, the other end of the reset rod 15 is slidably connected with the lower die 2, the first reset spring 16 is sleeved on the first reset spring 16, one end of the first reset spring 16 is fixedly connected with the side wall of the side shaping block 7, the other end of the first reset spring 16 is fixedly connected with the lower die 2, a first inclined surface is arranged on the first inclined guide block 14, a first reverse inclined surface matched with the first inclined surface is arranged on the side shaping block 7, and the first inclined guide block 14 and the side shaping block 7 are in transmission connection through the first inclined surface and the first reverse inclined surface.

When the shaping driving mechanism 8 works, the upper die 1 descends to drive the first inclined guide block 14 fixedly connected with the upper die 1 to synchronously descend, the first inclined guide block 14 is matched with the first reverse inclined surface through the first inclined surface in the descending process to drive the side shaping block 7 in transmission connection with the upper die to move towards the movable block 6 until the shaping function is realized on the workpiece 4 clamped between the side shaping block 7 and the movable block 6, after shaping operation is finished, the side shaping block 7 is driven to reset through the first reset spring 16, and the reset rod 15 is used for guiding and limiting the movement of the side shaping block 7.

The elastic connection mechanism 9 comprises a driving plate 17, a vertical limiting rod 18 and an elastic connection piece 19, wherein the driving plate 17 is fixedly connected with the upper die 1, the driving plate 17 is horizontally arranged between the upper die 1 and the lower die 2, the driving plate 17 is positioned right above the pressing plate 3, the vertical limiting rod 18 is provided with four ends which are respectively positioned at the four ends of the pressing plate 3, the bottom end of the vertical limiting rod 18 is fixedly connected with the top end of the pressing plate 3, the top end of the vertical limiting rod 18 passes through the driving plate 17 to extend upwards and is in sliding connection with the driving plate 17, the elastic connection piece 19 is positioned on the vertical limiting rod 18 in a sleeved mode, and two ends of the elastic connection piece 19 are respectively in transmission connection with the driving plate 17 and the pressing plate 3.

When the pressure plate 3 and the upper die 1 are connected through the elastic connecting mechanism 9, the driving plate 17 is fixedly connected with the upper die 1 and used for descending synchronously with the upper die 1, when the driving plate 17 moves downwards, elastic force is provided between the pressure plate 3 and the driving plate 17 through the elastic connecting piece 19, when the pressure plate 3 does not contact the workpiece 4, the pressure plate 3 and the driving plate 17 descend synchronously, after the pressure plate 3 contacts the workpiece 4, the pressure plate 3 and the driving plate 17 are elastically connected, at the moment, the pressure plate 3 is guided and limited through the vertical limiting rod 18, the elastic connecting piece 19 enables the pressure plate 3 to have certain elasticity upwards, the workpiece 4 can slide below the workpiece 4 conveniently, and the workpiece 4 can move to the shaping station.

The elastic connection mechanism 9 further comprises a fixing plate 42 and four second vertical connecting rods 43, the fixing plate 42 is horizontally arranged between the driving plate 17 and the pressing plate 3, the four second vertical connecting rods 43 are respectively located at four ends of the fixing plate 42, the bottom ends of the second vertical connecting rods 43 are fixedly connected with the top ends of the fixing plate 42, the top ends of the second vertical connecting rods 43 are fixedly connected with the bottom ends of the driving plate 17, the vertical limiting rods 18 penetrate through the ends of the fixing plate 42 and are slidably connected with the fixing plate 42, the top ends of the elastic connection pieces 19 are fixedly connected with the bottom ends of the fixing plate 42, the bottom ends of the elastic connection pieces 19 are fixedly connected with the top ends of the pressing plate 3, and the rigid connection mechanism 10 is arranged between the fixing plate 42 and the driving plate 17.

When the elastic connecting mechanism 9 works, the fixed plate 42 is horizontally and fixedly arranged right below the driving plate 17 through the second vertical connecting rod 43, the top end of the elastic connecting piece 19 can be fixedly arranged at the bottom end of the fixed plate 42, the elastic connecting piece 19 is arranged, the rigid connecting mechanism 10 is arranged between the fixed plate 42 and the driving plate 17, and the rigid connecting mechanism 10 can realize the locking function of the lower pressing plate 3 under the driving of the mode switching mechanism 11.

The rigid connection mechanism 10 comprises a supporting plate 20, a telescopic rod 21, a second return spring 22, a supporting pressing rod 23 and a supporting rod 25, wherein the supporting plate 20 can vertically slide between a fixed plate 42 and a driving plate 17, a vertical limiting rod 18 penetrates through the end part of the supporting plate 20 and is in sliding connection with the supporting plate 20, the telescopic rod 21 is vertically arranged at the center of the supporting plate 20, the second return spring 22 is sleeved on the telescopic rod 21, the two ends of the telescopic rod 21 and the second return spring 22 are fixedly connected with the top end of the supporting plate 20 and the bottom end of the driving plate 17, the supporting pressing rod 23 is vertically and fixedly arranged at the bottom end of the supporting plate 20, the supporting rod 25 is fixedly arranged at the top end of the pressing plate 3, the supporting rod 25 and the supporting pressing rod 23 are coaxially arranged, a pressing groove 24 for locking the end part of the supporting rod 25 is formed in the bottom end of the supporting pressing rod 23, a dodging groove 26 for dodging the supporting pressing rod 23 is formed in the fixed plate 42, and the supporting plate 20 is in transmission connection with the mode switching mechanism 11.

When the mode switching mechanism 11 works, the rigid connection mechanism 10 works to switch the fixing mode of the pressing plate 3 and the upper die 1 from elastic connection to fixed connection, so that the pressing plate 3 can press the workpiece 4 below, the workpiece 4 is prevented from being deviated, the accuracy of shaping the workpiece 4 is improved, the mode switching mechanism 11 drives the abutting plate 20 in transmission connection with the mode switching mechanism to move downwards, the abutting plate 20 drives the abutting pressing rod 23 fixedly connected with the abutting pressing rod 23 to move downwards, the abutting pressing rod 23 passes through the avoiding groove 26 on the fixing plate 42, the top end of the abutting pressing rod 25 fixedly installed at the top of the pressing plate 3 is pressed through the pressing groove 24 at the bottom of the abutting pressing rod 23, the abutting rod 25 and the abutting pressing rod 23 do not slide, the rigid connection is achieved, the fastening effect of the pressing plate 3 can be achieved, after finishing a shaping procedure, the second reset spring 22 drives the telescopic rod 21 to shrink upwards, and accordingly the abutting plate 20 is driven to move upwards, and the reset function of the abutting plate 20 is achieved.

The mode switching mechanism 11 comprises a fixed inclined guide block 27, a horizontal inclined guide block 28, a connecting frame 29, a horizontal limiting rod 30 and a third reset spring 31, wherein the fixed inclined guide block 27 is fixedly arranged at the top of the abutting plate 20, the horizontal inclined guide block 28 can horizontally slide between the driving plate 17 and the abutting plate 20, the horizontal limiting rod 30 is horizontally arranged on the upper die 1, the length direction of the horizontal limiting rod 30 is perpendicular to the sliding direction of the movable block 6, the connecting frame 29 is slidably arranged on the upper die 1, one end of the connecting frame 29 is fixedly connected with the horizontal inclined guide block 28, the other end of the connecting frame 29 is in transmission connection with the sliding driving mechanism 12, one end of the horizontal limiting rod 30 is fixedly connected with the side wall of the connecting frame 29, the other end of the horizontal limiting rod 30 is in sliding connection with the upper die 1, the third reset spring 31 is sleeved on the horizontal limiting rod 30, one end of the third reset spring 31 is fixedly connected with the connecting frame 29, the other end of the third reset spring 31 is fixedly connected with the upper die 1, a second inclined surface is arranged on the horizontal inclined guide block 28, and a second inclined surface matched with the second inclined surface is arranged on the fixed inclined guide block 27.

When the mode switching mechanism 11 works, the connecting frame 29 in transmission connection with the sliding driving mechanism 12 is displaced, the horizontal oblique guide block 28 fixedly connected with the connecting frame 29 is driven to move towards the fixed oblique guide block 27 arranged on the abutting plate 20, the fixed oblique guide block 27 is forced to drive the abutting plate 20 to move downwards, the mode switching function is achieved, the displacement of the connecting frame 29 is guided and limited through the horizontal limiting rod 30, and the third reset spring 31 is used for pulling out the connecting frame 29 outwards, so that the connecting frame 29 can achieve the reset function.

The sliding driving mechanism 12 further comprises a horizontal transmission rod 37, a second inclined guide block 38, a first vertical sliding block 39 and a vertical lifting rod 40, wherein the horizontal transmission rod 37 is fixedly installed on one side, close to the fixed block 5, of the sliding seat 35, the second inclined guide block 38 is fixedly installed on one end, far away from the sliding seat 35, of the horizontal transmission rod 37, the first vertical sliding block 39 is arranged on the lower die 2 in a lifting mode, a third inclined surface is arranged on one side, close to the first vertical sliding block 39, of the second inclined guide block 38, a third inclined surface matched with the third inclined surface is arranged at the bottom end of the first vertical sliding block 39, the vertical lifting rod 40 is arranged above the vertical sliding block, the bottom end of the vertical lifting rod 40 is fixedly connected with the first vertical sliding block 39, and the top end of the vertical lifting rod 40 is in transmission connection with the mode switching mechanism 11.

When the sliding driving mechanism 12 works, the sliding seat 35 drives the horizontal transmission rod 37 fixedly connected with the sliding seat to move towards one side of the fixed block 5, the horizontal transmission rod 37 drives the second inclined guide block 38 fixedly connected with the end part of the horizontal transmission rod 37 to synchronously displace in the moving process, the second inclined guide block 38 realizes the driving function of the first vertical sliding block 39 through the third inclined surface and the third inclined surface, so that the second inclined guide block 38 moves upwards along the vertical direction, further drives the vertical lifting rod 40 fixedly connected with the first vertical sliding block 39 to push upwards, realizes the transmission function of the mode switching mechanism 11 through the vertical lifting rod 40, and further realizes the function of starting the mode switching mechanism 11.

The mode switching mechanism 11 further comprises a second vertical sliding block 41 and a third vertical sliding block 32, the second vertical sliding block 41 is fixedly installed at the top end of the vertical lifting rod 40, the third vertical sliding block 32 is fixedly installed at the bottom end of the connecting frame 29, a fourth inclined surface is arranged at the top end of the second vertical sliding block 41, and a fourth reverse inclined surface matched with the fourth inclined surface is arranged on the third vertical sliding block 32.

In the mode switching mechanism 11, in the process of ejection of the vertical lifting rod 40, the second vertical sliding block 41 installed at the top of the vertical lifting rod 40 is driven to synchronously eject upwards, so that the third vertical sliding block 32 is driven to move towards the horizontal direction through the transmission of the fourth inclined plane and the fourth reverse inclined plane, namely, the connecting frame 29 fixedly connected with the third vertical sliding block 32 is driven to move towards the horizontal direction, and the linkage function of the mode switching mechanism 11 and the sliding driving mechanism 12 is realized.

s1: placing the workpiece 4 to be shaped on a profiling positioning block, and enabling the upper die 1 to move downwards to drive a shaping driving mechanism 8 and a pressing plate 3 which are arranged on the upper die to synchronously descend;

s2: the movable block 6 in transmission connection with the movable block is driven to move towards the fixed block 5 by the sliding driving mechanism 12, when the movable block 6 slides, the pressing plate 3 is used for limiting the workpiece 4, and as the pressing plate 3 is in an elastic connection state with the die 1, the workpiece 4 has a certain displacement function, and the shaping driving mechanism 8 drives the workpiece 4 to synchronously move towards the fixed block 5 along with the movable block 6;

s3: the material pressing plate 3 is fixedly connected with the upper die 1 through an elastic connecting mechanism 9 until the movable block 6 is abutted against a pressure detection probe 13 arranged at the gap, the sliding driving mechanism 12 completes the driving function and drives a mode switching mechanism 11 in transmission connection with the sliding driving mechanism to work, and the mode switching mechanism 11 drives the upper die 1 to perform mode switching;

s4: the connection mode between the material pressing plate 3 and the upper die 1 is switched to a rigid connection mechanism 10 by an elastic connection mechanism 9, namely the material pressing plate 3 is fixed with the upper die 1, so that the material pressing plate 3 does not have an elastic function, and a workpiece 4 between the material pressing plate 3 and a profiling positioning block is clamped;

s5: the side shaping block 7 is driven by the shaping driving mechanism 8 to carry out shaping operation on the workpiece 4, and in the shaping operation process, the pressure value of shaping can be detected by the pressure detection probe 13, so that the shaping effect is judged and whether the die error is in a reasonable range is detected;

The working principle of the invention is as follows:

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The automobile part side shaping die with the shaping pressure detection function comprises an upper die (1) and a lower die (2), wherein a shaping positioning block for positioning a workpiece (4) is arranged on the lower die (2), a side shaping block (7) for performing side shaping on the workpiece (4) by matching with the shaping positioning block is arranged on the lower die (2) in a sliding manner, the shaping positioning block comprises a fixed block (5) fixedly connected with the lower die (2) and a movable block (6) in sliding connection with the lower die (2), the upper die (1) is connected with a pressing plate (3) for pressing the workpiece (4), the automobile part side shaping die is characterized in that a gap exists between the fixed block (5) and the movable block (6), a pressure detection probe (13) is arranged at the gap, the automobile part side shaping die also comprises an elastic connection mechanism (9), a rigid connection mechanism (10), a mode switching mechanism (11), a sliding driving mechanism (12) and a shaping driving mechanism (8) for controlling the side shaping block (7) to move and perform side shaping, the elastic connection mechanism (9) and the rigid connection mechanism (10) are respectively arranged on the upper die (1) and the upper die (1) is connected with the upper die (1) in a mode switching mode (11) through the elastic connection mechanism (11), the sliding driving mechanism (12) is in transmission connection with the mode switching mechanism (11), the sliding driving mechanism (12) can drive the movable block (6) to slide towards the fixed block (5), and when the movable block is abutted to the fixed block (5), the mode between the material pressing plate (3) and the upper die (1) is changed through the mode switching mechanism (11), so that the material pressing plate (3) is connected with the upper die (1) through the rigid connection mechanism (10).

2. The automobile part side shaping die with the shaping pressure detection function according to claim 1, wherein two groups of sliding driving mechanisms (12) are arranged, the two groups of sliding driving mechanisms (12) are symmetrically arranged along the vertical center plane of the profiling positioning block, each sliding driving mechanism (12) comprises a first vertical connecting rod (33), an inclined guide rod (34) and a sliding seat (35), one end of each first vertical connecting rod (33) is fixedly connected with the top end of the upper die (1), the bottom end of each first vertical connecting rod (33) is fixedly connected with one end of each inclined guide rod (34), an inclined guide groove (36) which is in sliding fit with each inclined guide rod (34) is arranged on each sliding seat (35), the other end of each inclined guide rod (34) is in transmission connection with the corresponding sliding seat (35), each inclined guide rod (34) is gradually inclined towards the direction of the fixed seat from bottom to top, and each sliding seat (35) is fixedly connected with the side wall of the movable block (6).

3. The automobile part side shaping die with the shaping pressure detection function according to claim 1, wherein the shaping driving mechanism (8) comprises a first inclined guide block (14), a reset rod (15) and a first reset spring (16), the first inclined guide block (14) is fixedly connected to the upper die (1), the reset rod (15) is horizontally arranged on the lower die (2), one end of the reset rod (15) is fixedly connected with the side shaping block (7), the other end of the reset rod (15) is slidably connected with the lower die (2), the first reset spring (16) is sleeved on the first reset spring (16), one end of the first reset spring (16) is fixedly connected with the side wall of the side shaping block (7), the other end of the first reset spring (16) is fixedly connected with the lower die (2), a first inclined surface is arranged on the first inclined guide block (14), a first reverse inclined surface matched with the first inclined surface is arranged on the side shaping block (7), and the first inclined guide block (14) and the side shaping block (7) is in transmission connection with the first reverse inclined surface.

4. The automobile part side shaping die with the shaping pressure detection function according to claim 2, wherein the elastic connecting mechanism (9) comprises a driving plate (17), a vertical limiting rod (18) and an elastic connecting piece (19), the driving plate (17) is fixedly connected with the upper die (1), the driving plate (17) is horizontally arranged between the upper die (1) and the lower die (2), the driving plate (17) is located right above the pressing plate (3), the vertical limiting rod (18) is provided with four ends which are respectively located at the four ends of the pressing plate (3), the bottom end of the vertical limiting rod (18) is fixedly connected with the top end of the pressing plate (3), the top end of the vertical limiting rod (18) penetrates through the driving plate (17) to extend upwards and is in sliding connection with the driving plate (17), the elastic connecting piece (19) is sleeved on the vertical limiting rod (18), and two ends of the elastic connecting piece (19) are respectively connected with the driving plate (17) and the pressing plate (3) in a transmission mode.

5. The automobile part side shaping die with shaping pressure detection function according to claim 4, wherein the elastic connecting mechanism (9) further comprises a fixing plate (42) and four second vertical connecting rods (43), the fixing plate (42) is horizontally arranged between the driving plate (17) and the pressing plate (3), the four second vertical connecting rods (43) are respectively located at four ends of the fixing plate (42), the bottom ends of the second vertical connecting rods (43) are fixedly connected with the top ends of the fixing plate (42), the top ends of the second vertical connecting rods (43) are fixedly connected with the bottom ends of the driving plate (17), the vertical limiting rods (18) penetrate through the end portions of the fixing plate (42) and are in sliding connection with the fixing plate (42), the top ends of the elastic connecting pieces (19) are fixedly connected with the bottom ends of the fixing plate (42), the bottom ends of the elastic connecting pieces (19) are fixedly connected with the top ends of the pressing plate (3), and the rigid connecting mechanism (10) is arranged between the fixing plate (42) and the driving plate (17).

6. The shaping mold with shaping pressure detection function according to claim 5, wherein the rigid connection mechanism (10) comprises an abutting plate (20), a telescopic rod (21), a second return spring (22), an abutting pressing rod (23) and an abutting rod (25), the abutting plate (20) can vertically slide between a fixed plate (42) and a driving plate (17), the vertical limiting rod (18) passes through the end part of the abutting plate (20) and is in sliding connection with the abutting plate (20), the telescopic rod (21) is vertically arranged at the center of the abutting plate (20), the second return spring (22) is sleeved on the telescopic rod (21), both ends of the telescopic rod (21) and the second return spring (22) are fixedly connected with the top end of the abutting plate (20) and the bottom end of the driving plate (17), the abutting pressing rod (23) is vertically fixedly arranged at the bottom end of the abutting plate (20), the abutting rod (25) is vertically fixedly arranged at the top end of the material pressing plate (3), the abutting rod (25) and the abutting pressing rod (23) coaxially passes through the end part of the abutting plate (23), the second return spring (22) is sleeved on the telescopic rod (21) and is provided with a pressing groove (24) for preventing the abutting against the end part (24) from being used for being fixed, the abutting plate (20) is in transmission connection with the mode switching mechanism (11).

7. The shaping mold with shaping pressure detecting function according to claim 6, wherein the mode switching mechanism (11) comprises a fixed oblique guide block (27), a horizontal oblique guide block (28), a connecting frame (29), a horizontal limiting rod (30) and a third reset spring (31), wherein the fixed oblique guide block (27) is fixedly arranged at the top of the abutting plate (20), the horizontal oblique guide block (28) can be horizontally and slidably arranged between the driving plate (17) and the abutting plate (20), the horizontal limiting rod (30) is horizontally arranged on the upper mold (1), the length direction of the horizontal limiting rod (30) is perpendicular to the sliding direction of the movable block (6), the connecting frame (29) is slidably arranged on the upper mold (1), one end of the connecting frame (29) is fixedly connected with the horizontal oblique guide block (28), the other end of the connecting frame (29) is in transmission connection with the sliding driving mechanism (12), one end of the horizontal limiting rod (30) is fixedly connected with the side wall of the connecting frame (29), the other end of the horizontal limiting rod (30) is in sliding connection with the upper mold (1), the third reset spring (31) is sleeved on the horizontal limiting rod (31) and is fixedly connected with the other end of the third reset spring (31), the horizontal inclined guide block (28) is provided with a second inclined plane, and the fixed inclined guide block (27) is provided with a second reverse inclined plane matched with the second inclined plane.

8. The automobile part side shaping die with the shaping pressure detection function according to claim 7, wherein the sliding driving mechanism (12) further comprises a horizontal transmission rod (37), a second inclined guide block (38), a first vertical sliding block (39) and a vertical lifting rod (40), the horizontal transmission rod (37) is fixedly arranged on one side, close to the fixed block (5), of the sliding seat (35), the second inclined guide block (38) is fixedly arranged on one end, far away from the sliding seat (35), of the horizontal transmission rod (37), the first vertical sliding block (39) is arranged on the lower die (2) in a lifting manner, a third inclined surface is arranged on one side, close to the first vertical sliding block (39), of the second inclined guide block (38), a third inclined surface matched with the third inclined surface is arranged at the bottom end of the first vertical sliding block (39), the vertical lifting rod (40) is arranged above the first vertical sliding block (39), the bottom end of the vertical lifting rod (40) is fixedly connected with the vertical sliding block, and the top end of the vertical lifting rod (40) is in transmission connection with the mode switching mechanism (11).

9. The automobile part side shaping die with the shaping pressure detection function according to claim 8, wherein the mode switching mechanism (11) further comprises a second vertical sliding block (41) and a third vertical sliding block (32), the second vertical sliding block (41) is fixedly arranged at the top end of the vertical lifting rod (40), the third vertical sliding block (32) is fixedly arranged at the bottom end of the connecting frame (29), a fourth inclined surface is arranged at the top end of the second vertical sliding block (41), and a fourth reverse inclined surface matched with the fourth inclined surface is arranged on the third vertical sliding block (32).

10. A method of using a reforming mold for an automotive part side with a reforming pressure detection function according to claims 1 to 9, characterized by comprising the steps of:

s1: placing a workpiece (4) to be shaped on a profiling positioning block, and enabling an upper die (1) to move downwards to drive a shaping driving mechanism (8) and a pressing plate (3) which are arranged on the upper die to synchronously descend;

s2: the movable block (6) in transmission connection with the movable block is driven to move towards the direction of the fixed block (5) through the sliding driving mechanism (12), when the movable block (6) slides, the material pressing plate (3) is used for limiting the workpiece (4), and as the material pressing plate (3) is in an elastic connection state with the die (1), the workpiece (4) has a certain displacement function, and the shaping driving mechanism (8) drives the workpiece (4) to synchronously move towards the fixed block (5) along with the movable block (6);

s3: the material pressing plate (3) is fixedly connected with the upper die (1) through an elastic connecting mechanism (9), until the movable block (6) is abutted against a pressure detection probe (13) arranged at the clearance, a sliding driving mechanism (12) completes a driving function and drives a mode switching mechanism (11) in transmission connection with the sliding driving mechanism to work, and the mode switching mechanism (11) drives the upper die (1) to perform mode switching;

s4: the connection mode between the material pressing plate (3) and the upper die (1) is switched from an elastic connection mechanism (9) to a rigid connection mechanism (10), namely the material pressing plate (3) is fixed with the upper die (1), so that the material pressing plate (3) does not have an elastic function, and a workpiece (4) between the material pressing plate (3) and a profiling positioning block is clamped;

s5: the side shaping block (7) is driven by the shaping driving mechanism (8) to carry out shaping operation on the workpiece (4), and in the shaping operation process, the pressure value of shaping can be detected by the pressure detection probe (13), so that the shaping effect is judged and whether the die error is in a reasonable range is detected;