CN114700432A

CN114700432A - High-precision automobile panel drawing die positioning and guiding structure

Info

Publication number: CN114700432A
Application number: CN202210381509.XA
Authority: CN
Inventors: 王卫生; 游绍文; 范杰; 杨晓东
Original assignee: Chongqing Pingwei Automotive Technology Co ltd
Current assignee: Chongqing Pingwei Automotive Technology Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-07-05
Anticipated expiration: 2042-04-12
Also published as: CN114700432B

Abstract

The invention discloses a high-precision positioning and guiding structure of a drawing die of an automobile covering part, which comprises a bottom plate, a mounting plate and a positioning module, wherein the bottom plate is horizontally arranged, the mounting plate is vertically arranged on the upper surface of the mounting plate, two arc-shaped holes penetrate through the mounting plate, the two arc-shaped holes are concentrically arranged, the radian of each arc-shaped hole is the same as that of the motion trail of the end part of a product, the positioning structure further comprises a synchronizer, the synchronizer is movably arranged on the two arc-shaped holes, the synchronizer moves up and down along the length direction of the arc-shaped holes, the positioning module is movably arranged on the synchronizer again, and the positioning module can horizontally move relative to the synchronizer. The positioning module is arranged and can change along the movement track of the end part of the product, so that the positioning of the plate is completed, and meanwhile, the positioning module can guide the plate in the forming process of the plate, so that the plate is prevented from fluctuating in the forming process, the stability of the forming process is improved, and the product quality is ensured.

Description

High-precision automobile panel drawing die positioning and guiding structure

Technical Field

The invention relates to the technical field of drawing dies, in particular to a high-precision positioning and guiding structure of a drawing die for an automobile covering part.

Background

At present, when an automobile covering part product is manufactured, a stamping and drawing die is generally adopted for manufacturing, in order to ensure the preparation precision of a product, a plate material is required to be accurately positioned in the stamping and drawing die, the sheet material has large fluctuation in the forming process, is easy to generate uncontrollable movement and unreliable in positioning, causes drawing quality defects, the existing positioning structure is a linear type positioning structure, only one rough positioning can be carried out on the plate, the problems of play, unstable positioning and the like still exist, meanwhile, in the prior art, the plate is guided by an arc surface, the end part of the plate is mostly of a plane structure, the plate is difficult to be matched with the arc-shaped surface in the changing process, the guiding effect is poor, the edge of the plate is easy to be extruded, the forming quality and the appearance of the product are influenced, and the positioning device and the guiding device are carried out step by step, and the fluctuation of the plate in the plate deformation process cannot be inhibited.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a high-precision positioning and guiding structure of a drawing die for an automobile covering part, which can simultaneously provide positioning and guiding functions in the process of changing a plate.

In order to achieve the purpose, the high-precision positioning and guiding structure for the drawing die of the automobile covering part comprises a bottom plate, a mounting plate and a positioning module, wherein the bottom plate is horizontally arranged, and the mounting plate is vertically arranged on the upper surface of the mounting plate;

two arc-shaped holes penetrate through the mounting plate, the two arc-shaped holes are concentrically arranged, and the radian of each arc-shaped hole is identical to that of the motion trail of the end part of the product;

the positioning device comprises two arc-shaped holes, and is characterized by further comprising a synchronizing device, wherein the synchronizing device is movably arranged on the two arc-shaped holes, the synchronizing device moves up and down along the length direction of the arc-shaped holes, the positioning module is movably arranged on the synchronizing device, and the positioning module can horizontally move relative to the synchronizing device.

The technical scheme has the advantages that: the positioning module is arranged and is changed along the movement track of the end part of the product, so that the positioning of the plate is completed, and meanwhile, in the forming process of the plate, the positioning module can also guide the plate, so that the plate is prevented from fluctuating in the forming process, the stability of the forming process is improved, and the product quality is ensured.

The upper end face of the mounting plate is also provided with an adjusting blind hole, the adjusting blind hole is positioned between the two arc-shaped holes, the hole wall of the adjusting blind hole is also provided with two adjusting openings which are arranged oppositely along the length direction of the hole wall, the adjusting openings correspond to the arc-shaped holes one by one, and the adjusting openings are communicated with the corresponding arc-shaped holes;

an inserting hole is further horizontally formed in the upper end of the side face, back to the product drawing area, of the mounting plate, and the inserting hole is communicated with the adjusting blind hole and the two arc-shaped holes at the same time to form a synchronous area;

the synchronous device comprises a synchronous rod and a buffer pressure spring, the synchronous rod is horizontally arranged in the synchronous area, the buffer pressure spring is positioned in the adjusting blind hole, the upper end of the buffer pressure spring is abutted against the middle part of the synchronous rod, and the two ends of the synchronous rod respectively extend into the corresponding arc-shaped holes from the corresponding adjusting openings;

the synchronous device further comprises two connecting rods, the connecting rods correspond to the arc-shaped holes one to one, the connecting rods horizontally penetrate through the corresponding arc-shaped holes, the two ends of the connecting rods respectively extend out of the corresponding arc-shaped holes, and the positioning modules are movably mounted at the extending ends of the connecting rods. The advantage of adopting above technical scheme is, utilizes synchronizer, improves the stability of orientation module in the removal process.

The positioning module comprises two limiting blocks which are arranged oppositely, the two limiting blocks are respectively positioned at two sides of the mounting plate, and the limiting blocks are in sliding contact with the side wall of the mounting plate;

the end face, facing the product drawing area, of the limiting block is further horizontally provided with a positioning clamping groove, two ends of the positioning clamping groove are communicated with the side wall of the limiting block, and a clamping unit is fixedly installed in the positioning groove.

The clamping unit comprises two adjusting plates, the adjusting plates are horizontally arranged, any one adjusting plate is horizontally positioned right above the other adjusting plate, the adjusting plates are horizontally hinged in the positioning clamping grooves, and a clamping area is formed between the two adjusting plates;

a plurality of pressure springs are evenly arranged between the adjusting plate and the positioning clamping grooves. The technical scheme has the advantages that the edges of the plate are not damaged due to forming change in the change process of the plate, and the plate is prevented from fluctuating in the deformation process.

The edge of regulating plate with still it has protective fabric to cover between positioning channel's the notch, prevents that debris from getting into between the pressure spring.

The side surface of the limiting block facing the mounting plate is also horizontally provided with a sliding groove, the sliding groove is a necking groove, and the sliding groove is communicated with the side surface of the limiting block back to the product drawing area;

anti-disengaging blocks are further installed at two ends of the connecting rod, and the anti-disengaging blocks are movably clamped in the corresponding sliding grooves.

The side surface of the limiting block, which is back to the product drawing area, is also provided with an installation screw hole;

the positioning module further comprises two check blocks, the check blocks correspond to the limiting blocks one to one, screw rods are fixedly arranged on the check blocks, the screw rods are installed in the corresponding installation screw holes in a threaded mode, and the check blocks and the limiting blocks are attached to the side faces, back to the product drawing area, of the limiting blocks.

Still be equipped with two recesses of stepping down on the bottom plate, the recess of stepping down with the stopper one-to-one, arbitrary that is located the below the regulating plate is to corresponding distance between the stopper lower surface equals the notch depth of the recess of stepping down.

An electromagnetic adsorption device is further installed in one end, away from the product drawing area, of the abdication groove, and the electromagnetic adsorption device faces the product drawing area; the stop block is made of adsorbable metal materials. The technical scheme has the advantages that after the plate is formed, the stop block can be adsorbed by the electromagnetic adsorption device, so that the limit block moves horizontally, the plate is withdrawn from the clamping state, and the plate can be taken out conveniently.

And a plurality of mounting holes vertically penetrate through the bottom plate, and all the mounting holes are close to the edge of the bottom plate and are uniformly arranged.

Compared with the prior art, the invention has the following beneficial effects: the positioning module can be used for positioning the plate, the positioning module can also be used for changing the movement track of the end part of a product in the plate forming process, the edge of the plate is guided in the plate forming process, the plate is prevented from fluctuating in the forming process, meanwhile, the synchronizing device is used for ensuring the stability of the positioning module in the plate deformation process, the clamping unit can ensure that the clamping effect of the positioning module cannot influence the plate in the plate deformation process, the stability of the plate forming process is improved, the positioning and the guiding of the plate are completed, and the product quality is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. The elements or parts are not necessarily drawn to scale in all figures.

FIG. 1 is a schematic view of a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a second state of the present invention;

FIG. 3 is a schematic structural diagram of a third embodiment of the present invention

FIG. 4 is a schematic cross-sectional view of the present invention;

FIG. 5 is a schematic structural diagram of the connection relationship between the stopper 4 and the stopper 7;

FIG. 6 is a schematic view of the cross-sectional structure A-A of FIG. 5;

fig. 7 is a schematic view of the state of the plate in the forming process.

Reference numerals:

the device comprises a base plate 1, a mounting plate 2, a synchronizing rod 3a, a buffering pressure spring 3b, a connecting rod 3c, a limiting block 4, a sliding groove 4a, a regulating plate 5, a pressure spring 6, a stop block 7, an arc hole a, an insertion hole b, a abdicating groove c, a mounting hole d and an electromagnetic adsorption device 8.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.

As shown in fig. 1 to 7, the high-precision positioning and guiding structure of the drawing die for the automobile covering part comprises a bottom plate 1, a mounting plate 2, a positioning module and a synchronizing device, wherein the bottom plate 1 is horizontally arranged, and the mounting plate 2 is vertically arranged on the upper surface of the mounting plate 2;

two arc-shaped holes a penetrate through the mounting plate 2 and are concentrically arranged, and the radian of each arc-shaped hole a is identical to that of the motion trail of the end part of the product;

synchronizer movable mounting is two on the arc hole a, synchronizer follows the length direction in arc hole a reciprocates, orientation module movable mounting again is in synchronizer is last, but orientation module for synchronizer horizontal migration, when the installation sheet material, orientation module can be like the state shown in figure 1, abdicate to the sheet material.

The positioning module comprises two limiting blocks 4 which are arranged oppositely, the two limiting blocks 4 are respectively positioned at two sides of the mounting plate 2, and the limiting blocks 4 are in sliding contact with the side wall of the mounting plate 2;

the end face, facing the product drawing area, of the limiting block 4 is further horizontally provided with a positioning clamping groove, two ends of the positioning clamping groove are communicated with the side wall of the limiting block 4, and a clamping unit is fixedly installed in the positioning clamping groove.

The centre gripping unit includes two regulating

plates

5, 5 level settings of regulating plate, arbitrary 5 level in another regulating plate 5 directly over, the regulating plate 5 level articulates in positioning channel is two form the clamping area between the regulating plate 5, treat that the sheet material is placed the back, but horizontal migration stopper 4 makes the marginal card of sheet material establish in the clamping area, and orientation module can be as the state shown in figure 2, accomplishes the location to the sheet material edge.

The adjusting plate 5 and still evenly be equipped with a plurality of pressure springs 6 between the positioning groove, the extrusion of pressure spring 6 corresponds adjusting plate 5 provides the centre gripping effect to the panel.

In one embodiment, the adjusting plate 5 is further provided with a guide inclined plane at the edge close to the notch of the positioning clamping groove, so that the insertion of the plate is facilitated.

In one embodiment, the elasticity of the pressure spring 6 close to the notch of the positioning clamping groove is larger than that of the pressure spring 6 in the groove, so that the fitting degree of the adjusting plate 5 and the edge of the plate can be ensured.

And a protective fabric is covered between the edge of the adjusting plate 5 and the notch of the positioning clamping groove.

The side face, facing the mounting plate 2, of the limiting block 4 is further horizontally provided with a sliding groove 4a, the sliding groove 4a is a necking groove, and the sliding groove 4a is communicated with the side face, back to the product drawing area, of the limiting block 4.

The synchronous device comprises a synchronous rod 3a and a buffer compression spring 3b, the synchronous rod 3a is horizontally arranged in the synchronous area, the buffer compression spring 3b is positioned in the adjusting blind hole, the upper end of the buffer compression spring 3b is abutted against the middle part of the synchronous rod 3a, the two ends of the synchronous rod 3a are kept balanced in the ascending or descending process, and the two ends of the synchronous rod 3a respectively extend into the corresponding arc-shaped holes a from the corresponding adjusting openings;

the synchronizer also comprises two connecting rods 3c, the connecting rods 3c correspond to the arc-shaped holes a one to one, the connecting rods 3c are horizontally arranged in the arc-shaped holes a in a penetrating mode, the two ends of the connecting rods 3c respectively extend out of the corresponding arc-shaped holes a, the positioning modules are movably arranged at the extending ends of the connecting rods 3c, the two connecting rods 3c are adopted to enable the limiting blocks 4 to be kept in a horizontal state and stable as far as possible in the ascending or descending process, and meanwhile, the limiting blocks 4 cannot be overturned when sliding in the horizontal direction.

Anticreep piece is still installed at the both ends of connecting rod 3c, the anticreep piece activity card is established and is being corresponded in sliding tray 4a for stopper 4 can slide in the horizontal direction, and when the installation sheet material, but horizontal migration stopper 4 for the sheet material edge card is established in positioning channel groove or the clamping state of contact to the sheet material.

Wherein:

the upper end face of the mounting plate 2 is also provided with an adjusting blind hole which is positioned between the two arc-shaped holes a, the hole wall of the adjusting blind hole is also provided with two adjusting openings which are arranged oppositely along the length direction, the adjusting openings correspond to the arc-shaped holes a one by one, and the adjusting openings are communicated with the corresponding arc-shaped holes a;

in one embodiment, the upper end of the blind adjusting hole is further provided with an anti-dropping plug, and the anti-dropping plug can be arranged at the upper end of the blind adjusting hole in a threaded mode.

An inserting hole b is horizontally formed in the upper end of the side face, back to the product drawing area, of the mounting plate 2, so that the synchronous rod 3a can be mounted through the inserting hole b, and the inserting hole b, the adjusting blind hole and the two arc-shaped holes a are communicated at the same time to form a synchronous area;

in one embodiment, the hole of the inserting hole b is also provided with an inserting plug, and the inserting plug can be arranged in the inserting hole b in a threaded mode.

The positioning module further comprises two stop blocks 7, the stop blocks 7 correspond to the limiting blocks 4 one by one, screw rods are fixedly arranged on the stop blocks 7, and mounting screw holes are further formed in the side faces, back to the product drawing area, of the limiting blocks 4;

so that the screw threads are installed in the corresponding installation screw holes, preventing the end of the connecting rod 3c from slipping out of the sliding groove 4 a.

The stop block 7 is attached to the side face, back to the product drawing area, of the limiting block 4.

Still be equipped with two recess c of stepping down on the bottom plate 1, step down recess c with stopper 4 one-to-one is located the arbitrary of below regulating plate 5 is to corresponding distance between the 4 lower surfaces of stopper equals the notch depth of recess c of stepping down, after the sheet material shaping, as shown in fig. 3, the lower part of stopper 4 is located in the recess of stepping down, prevent to cause the influence to the sheet material shaping.

An electromagnetic adsorption device 8 is further installed in one end, away from the product drawing area, of the abdicating groove c, and the electromagnetic adsorption device 8 faces the product drawing area; the stop dog 7 is adsorbable metal material, and after the sheet material shaping, usable electromagnetic adsorption device 8 adsorbs stop dog 7. The limited block 4 is displaced and the clamping state of the plate is released.

Still vertically run through on the bottom plate 1 has a plurality of mounting holes d, all the mounting holes d are close to the edge of bottom plate 1 and evenly set up, are convenient for install and fix bottom plate 1.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

Claims

1. The utility model provides a high accuracy automobile panel drawing die location guide structure which characterized in that: the device comprises a bottom plate (1), a mounting plate (2) and a positioning module, wherein the bottom plate (1) is horizontally arranged, and the mounting plate (2) is vertically arranged on the upper surface of the mounting plate (2);

two arc-shaped holes (a) are further formed in the mounting plate (2) in a penetrating mode, the two arc-shaped holes (a) are concentrically arranged, and the radian of each arc-shaped hole (a) is identical to that of the motion track of the end portion of a product;

the positioning device comprises two arc-shaped holes (a), and is characterized by further comprising a synchronizing device, wherein the synchronizing device is movably arranged on the two arc-shaped holes (a), the synchronizing device moves up and down along the length direction of the arc-shaped holes (a), the positioning module is movably arranged on the synchronizing device, and the positioning module can horizontally move relative to the synchronizing device.

2. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 1, wherein: the upper end face of the mounting plate (2) is also provided with an adjusting blind hole, the adjusting blind hole is positioned between the two arc-shaped holes (a), the hole wall of the adjusting blind hole is also provided with two adjusting openings which are just opposite to each other along the length direction of the hole wall, the adjusting openings correspond to the arc-shaped holes (a) one by one, and the adjusting openings are communicated with the corresponding arc-shaped holes (a);

an inserting hole (b) is horizontally formed in the upper end of the side face, back to the product drawing area, of the mounting plate (2), and the inserting hole (b), the adjusting blind hole and the two arc-shaped holes (a) are communicated at the same time to form a synchronous area;

the synchronous device comprises a synchronous rod (3a) and a buffer compression spring (3b), the synchronous rod (3a) is horizontally arranged in the synchronous area, the buffer compression spring (3b) is positioned in the adjusting blind hole, the upper end of the buffer compression spring (3b) is abutted against the middle part of the synchronous rod (3a), and two ends of the synchronous rod (3a) respectively extend into the corresponding arc-shaped holes (a) from the corresponding adjusting openings;

the synchronous device further comprises two connecting rods (3c), the connecting rods (3c) correspond to the arc-shaped holes (a) one to one, the connecting rods (3c) horizontally penetrate through the corresponding arc-shaped holes (a), the two ends of the connecting rods (3c) respectively extend out of the corresponding arc-shaped holes (a), and the positioning modules are movably mounted at the extending ends of the connecting rods (3 c).

3. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 2, wherein: the positioning module comprises two limiting blocks (4) which are arranged oppositely, the two limiting blocks (4) are respectively positioned at two sides of the mounting plate (2), and the limiting blocks (4) are in sliding contact with the side wall of the mounting plate (2);

the end face, facing the product drawing area, of the limiting block (4) is further horizontally provided with a positioning clamping groove, two ends of the positioning clamping groove are communicated with the side wall of the limiting block (4), and a clamping unit is fixedly installed in the positioning groove.

4. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 3, wherein: the clamping unit comprises two adjusting plates (5), the adjusting plates (5) are horizontally arranged, any one adjusting plate (5) is horizontally positioned right above the other adjusting plate (5), the adjusting plates (5) are horizontally hinged in the positioning clamping grooves, and a clamping area is formed between the two adjusting plates (5);

a plurality of pressure springs (6) are evenly arranged between the adjusting plate (5) and the positioning clamping grooves.

5. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 4, wherein: and a protective fabric is covered between the edge of the adjusting plate (5) and the notch of the positioning clamping groove.

6. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 4, wherein: the side surface of the limiting block (4) facing the mounting plate (2) is also horizontally provided with a sliding groove (4a), the sliding groove (4a) is a necking groove, and the sliding groove (4a) is communicated with the side surface of the limiting block (4) back to the product drawing area;

anti-falling blocks are further installed at two ends of the connecting rod (3c), and the anti-falling blocks are movably clamped in the corresponding sliding grooves (4 a).

7. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 6, wherein: the side surface of the limiting block (4) back to the product drawing area is also provided with an installation screw hole;

the positioning module further comprises two stop blocks (7), the stop blocks (7) correspond to the limiting blocks (4) one by one, screw rods are fixedly arranged on the stop blocks (7), the screw rods are installed in the corresponding installation screw holes in a threaded mode, and the stop blocks (7) are attached to the side faces, back to the product drawing area, of the limiting blocks (4).

8. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 7, wherein: still be equipped with two recess (c) of stepping down on bottom plate (1), recess (c) of stepping down with stopper (4) one-to-one is located the below arbitrary regulating plate (5) are to corresponding distance between stopper (4) lower surface equals the notch depth of recess (c) of stepping down.

9. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 8, wherein: an electromagnetic adsorption device (8) is further installed in one end, away from the product drawing area, of the abdicating groove (c), and the electromagnetic adsorption device (8) faces the product drawing area; the stop block (7) is made of adsorbable metal.

10. The high-precision automobile panel drawing die positioning and guiding structure as recited in claim 9, wherein: the bottom plate (1) is also vertically penetrated with a plurality of mounting holes (d), and all the mounting holes (d) are close to the edge of the bottom plate (1) and are uniformly arranged.