CN213033437U - Bumper stamping die that buckles - Google Patents

Abstract

The utility model discloses a bumper bending stamping die, which comprises a lower die, an upper die and a supporting mechanism, wherein the lower die comprises a lower stripper plate and a female die forming block, the female die forming block is fixedly arranged at the top of the lower stripper plate along the length direction, and an end opening of a bumper is positioned at the end part of the female die forming block; go up the mould and include the terrace die shaping piece that takes off the flitch and correspond with die shaping piece on taking off the flitch and correspond down, two supporting mechanism set up and take off the flitch down and follow length direction's both ends, supporting mechanism includes the supporting chain, the supporting chain includes a plurality of movable supporting shoe that connect gradually along supporting chain length direction, the supporting chain can be sent into bumper inside, a plurality of movable supporting shoe can be outside relative rotation motion mutually under the extrusion, inside the bumper bending section is supported when stamping forming, prevent effectively that the bumper from being collapsed and warp, therefore, the steam generator is simple in operation, it is effectual to bend, the product quality is improved, the rejection rate and production cost are reduced, the production efficiency is high, therefore, the clothes hanger.

Description

Bumper stamping die that buckles

Technical Field

The utility model belongs to the technical field of stamping die, especially, relate to a bumper stamping die that buckles.

Background

The bumper of the automobile is a main safety component which can protect passengers and a vehicle body when the automobile collides, and the structural design of the bumper not only needs to consider the safety performance, but also needs to consider the structures of other parts around the bumper and the appearance design of the whole automobile. Various automobile bumpers on the market at present are designed into a bending structure for matching with the shapes of a cabin cover and a front skin, and the bumpers are bent and formed by stretch bending in the production process; the stretch bending forming process adopts a rigid integral stretch bending die, the bumper is mostly of a hollow structure, uncontrollable deformation can be caused to the bumper due to uneven stress during bending, even the bent part of the bumper is sunken, the die needs to be repaired, time and labor are wasted, the precision is difficult to guarantee, the percent of pass is low, the production cost of a product is increased, and the production efficiency is low.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a bumper stamping die that buckles can effectively support the inner chamber of bumper at the in-process of buckling, prevents effectively that the bumper from being pressed and collapsing and warp, and production operation is simple and easy, improves product quality, reduces rejection rate and manufacturing cost, improves production efficiency.

In order to achieve the above object, the utility model provides a bumper stamping die that buckles, a serial communication port, bumper stamping die that buckles includes the lower mould, goes up mould and supporting mechanism: the lower die comprises a lower die base, a lower stripper plate and a female die forming block, wherein the lower stripper plate is fixedly arranged at the top of the lower die base, the female die forming block is fixedly arranged at the top of the lower stripper plate along the length direction, a female die forming groove for placing a bumper is formed in the female die forming block along the length direction, and an opening at the end part of the bumper is positioned at the end part of the female die forming block; the upper die comprises an upper stripper plate corresponding to the lower stripper plate and a male die forming block corresponding to the female die forming block, and the upper die can press the lower die downwards and drive the male die forming block and the female die forming block to be matched with each other to extrude the bumper so as to bend the bumper to form a radian; the supporting mechanism is arranged on the lower die and is respectively positioned at two ends of the lower stripper plate along the length direction, the supporting mechanism comprises a supporting chain, the supporting chain comprises a plurality of movable supporting blocks which are sequentially connected along the length direction of the supporting chain, the supporting chain can be fed into the interior of the bumper through an end opening of the bumper, the male die forming block and the female die forming block can extrude the bumper, the movable supporting blocks can do relative rotation movement under external extrusion, and the female die forming block and gaps among the male die forming blocks are arranged linearly to support the interior of the bending section of the bumper.

In one example, the supporting mechanism further comprises a fixed seat, the supporting chain further comprises a fixed supporting block, one end of the fixed supporting block is fixedly connected to the fixed seat, the other end of the fixed supporting block is connected to the movable supporting block, and the fixed seat can move in a translational manner along a length direction parallel to the female die forming block relative to the lower die so as to drive the supporting chain to move in a translational manner to be fed into the bumper or pulled out of the bumper.

In one example, the lower die further comprises guide rails, the guide rails are fixedly arranged at the top of the lower die base in parallel, and the extending direction of the guide rails is parallel to the length direction of the lower stripper plate; the fixing seat is supported on the guide rail in a sliding mode, so that the fixing seat can move in a translational mode along the length direction parallel to the female die forming block.

In one example, the supporting mechanism further comprises a positioning assembly, and the positioning assembly is slidably supported on the guide rail and is positioned between the fixed seat and the female die forming block; the positioning assembly comprises a positioning seat, a first through hole is formed in the positioning seat along the sliding direction of the positioning assembly, the shape and the size of the cross section of the first through hole are matched with those of the cross section of the supporting chain, and the supporting chain can penetrate through the first through hole and limit the translational motion direction of the supporting chain; one side of the positioning seat facing the female die forming block surrounds the first through hole, a step groove is coaxially formed, the shape and the size of the cross section of the step groove are matched with those of the cross section of the bumper, the positioning assembly can move in a sliding mode along the guide rail in a translation mode, the end portion of the bumper is inserted into the step groove, and the end portion opening of the bumper is positioned.

In one example, the positioning assembly further comprises a pressing plate, a wedge-shaped plate and a wedge-shaped plate driving device, wherein a second through hole is further formed in the positioning seat above the first through hole, and the second through hole is parallel to and communicated with the first through hole; the compression plate is arranged in the second through hole and can slide along the vertical direction, the wedge-shaped plate is movably arranged in the second through hole and clings to the upper side of the compression plate, and the contact surface of the wedge-shaped plate and the compression plate is a flat inclined surface which is close to one side of the female die forming block and inclines upwards; the wedge plate driving device is fixedly arranged on the positioning seat and is in transmission connection with the wedge plate, the wedge plate driving device is used for driving the wedge plate to move in a sliding mode along the extending direction of the second through hole, and the wedge plate drives the pressing plate to move in a translation mode along the vertical direction, so that the pressing plate clamps the bumper.

In one example, the supporting mechanism further comprises a fixed seat driving device and a positioning component driving device, the positioning component driving device is fixedly arranged on the lower die seat, and the positioning component driving device is in transmission connection with the positioning component; the fixing seat driving device is fixedly arranged at the bottom of the positioning assembly and is in transmission connection with the fixing seat.

In one example, the lower die further comprises a proximity switch, the proximity switch is fixedly arranged at the top of the lower die holder and positioned at two ends of the guide rail, and the proximity switch is used for detecting the positions of the positioning assembly and the fixing seat; the lower die further comprises a positioning block, the positioning block is fixedly arranged at the top of the lower die base and positioned on one side of two end portions of the guide rail, and the positioning block can stop the positioning assembly and the fixing base so as to prevent the positioning assembly and the fixing base from continuously moving and falling off the guide rail.

In one example, the bumper bending and stamping die further comprises cushion pads, and the cushion pads are arranged between the positioning assembly and the positioning block, between the fixing seat and the positioning block, and between the positioning assembly and the fixing seat.

In one example, the supporting mechanism further comprises a guide rail sliding block, and the fixed seat and the positioning assembly are slidably supported on the guide rail through the guide rail sliding block; an air guide channel is arranged in the guide rail sliding block, an inlet of the air guide channel is used for being connected with an air source, and an outlet of the air guide channel is communicated with the lower side of the guide rail sliding block so as to form an air cushion between the guide rail and the guide rail sliding block.

In one example, the upper die further comprises clamping positioning blocks, and two groups of clamping positioning blocks are arranged corresponding to two ends of the female die forming groove; the two opposite inner sides of the female die forming blocks at the two ends of the female die forming groove are provided with guide inclined planes, the upper sides of the guide inclined planes are obliquely arranged towards the outer side of the female die forming groove, the clamping and positioning blocks are provided with matched inclined planes with the same inclination direction and angle as the guide inclined planes, and the two clamping and positioning blocks are arranged on the upper stripper plate corresponding to the two opposite inner sides of the female die forming blocks; the upper die is pressed downwards to the lower die, the matching inclined surface of the clamping and positioning block can be driven to be in matched sliding contact with the guide inclined surface of the female die forming block, and the clamping and positioning block slides along the guide inclined surface relative to the female die forming block so as to enable the two clamping and positioning blocks to move close to each other to clamp, position and fix the end part of the bumper.

Through the utility model provides a bumper stamping die that buckles can bring following beneficial effect:

1. inside supporting mechanism can send the supporting chain into the bumper by bumper tip opening, the supporting chain can be arranged at the cavity between die shaping piece and terrace die shaping piece at last mould pressing when closing the lower mould, there is the supporting chain to support and crooked even and can not collapse when the bumper atress is crooked inside of bending part, thereby effectively supporting the inside of bumper at the in-process of buckling, prevent effectively that the bumper from being collapsed the deformation, production operation is simple, it is crooked effectual, the shaping high quality, improve product quality, reduce rejection rate and manufacturing cost, high production efficiency, therefore, the clothes hanger is strong in practicability, and has wide application prospect.

2. Drive supporting chain translation motion through the fixing base, remove steadily, can send the supporting chain into the tip opening of bumper accurately and swiftly, send into the process steadily, accurate, degree of automation is high, improves product quality and production efficiency, and the practicality is strong.

3. The fixing base passes through guide rail sliding connection in the die holder, and the guide rail leads spacingly to the translational motion of fixing base, makes the fixing base along the steady accuracy of guide rail translational motion, the skew direction of being difficult for to drive the steady accuracy of supporting chain translational motion, can send the tip opening of bumper into the supporting chain accurately and swiftly, send into steady, the accuracy of process, improve product quality and production efficiency, the practicality is strong.

4. The supporting chain passes the first through-hole that the positioning seat was seted up, first through-hole cross sectional shape and size and supporting chain cross sectional shape and size looks adaptation, can lead and restrict the displacement of supporting chain perpendicular to slip direction to the supporting chain, in order to reduce rocking of supporting chain, the step groove has still been seted up on the positioning seat, the bumper tip inserts the step groove and can fix a position bumper tip opening, put into bumper tip open-ended accuracy with further improvement supporting chain, the efficiency and the precision of supporting chain are put into in the improvement, improve production efficiency and product quality, therefore, the clothes hanger is strong in practicability.

5. Wedge plate drive arrangement drive can drive the wedge plate along second through-hole extending direction translation motion, the downside inclined plane extrusion pressure strip of wedge plate, the pressure strip atress is vertical to slide down in order to compress tightly the bumper tip, with the tight fixed bumper tip of clamp, can prevent that the bumper tip from not just appearing the unable circumstances of putting into of support chain to first through-hole, support chain puts into bumper tip opening back, the pressure strip further compresses tightly the bumper, prevent that bumper and/or support chain from removing among the stamping process, it is stable to guarantee product stamping process, guarantee product quality, improve the product uniformity, and the production efficiency is improved, therefore, the clothes hanger is strong in practicability.

6. Locating component drive arrangement drive locating component to make the tip of the fixed bumper of positioning seat earlier, fixing base drive arrangement drives the fixing base again and sends the supporting chain into the tip opening of bumper, drives steadily, accurate and swift, so that insert the supporting chain accurate and fast, further promotes degree of automation, reduces the manpower and intervenes, improves product quality, promotes production efficiency, and the practicality is strong.

7. The positioning switch can control the fixed seat and/or the positioning assembly to stop continuing to move so as to protect the bumper from being damaged, the fixed seat and/or the positioning assembly can be ensured to be in a correct working position range, the positioning block can forcibly prevent the positioning assembly and/or the fixed seat from exceeding the working position range when the proximity switch fails, the double-safety can effectively ensure that the bumper bending stamping die is not damaged, meanwhile, the quality of the bumper can also be ensured, and the practicability is high.

8. Let in gaseous formation air cushion between guide rail slider and the guide rail, the air cushion lifts guide rail slider and slides on the guide rail, reduces sliding resistance, and fixing base and locating component translational motion are more steady, improve the braced chain and send into and withdraw from bumper tip open-ended efficiency and precision, improve production efficiency and product quality, reduce wear moreover, are favorable to increase of service life, and the practicality is strong.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic view of a bumper bending and stamping die according to the present invention in a use state;

FIG. 2 is a schematic view of the lower mold of the present invention in use;

fig. 3 is a schematic perspective view of the upper mold of the present invention;

fig. 4 is a front view of the support mechanism of the present invention;

fig. 5 is a cross-sectional view of the positioning assembly of the present invention;

fig. 6 is a three-dimensional sectional view of the positioning assembly of the present invention;

fig. 7 is a schematic view illustrating the engagement between the pressing plate and the wedge plate according to the present invention;

fig. 8 is a schematic view of the cooperation between the clamping and positioning block and the die forming block of the present invention.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.

As shown in fig. 1 to 8, an embodiment of the present invention provides a bumper bending and stamping die 100, which includes a lower die 1, an upper die 2 and a supporting mechanism 3; the lower die 1 comprises a lower die base 11, a lower stripper plate 12 and a female die forming block 13, wherein the lower stripper plate 12 is fixedly arranged at the top of the lower die base 11, the female die forming block 13 is fixedly arranged at the top of the lower stripper plate 12 along the length direction, a female die forming groove 131 for placing the bumper 200 is formed in the female die forming block 13 along the length direction, and an opening at the end part of the bumper 200 is positioned at the end part of the female die forming block 13; the upper die 2 comprises an upper stripper plate 21 corresponding to the lower stripper plate 12 and a male die forming block 22 corresponding to the female die forming block 13, and the upper die 2 can press the lower die 1 downwards and drive the male die forming block 22 and the female die forming block 13 to be matched with each other to extrude the bumper 200 so as to bend the bumper 200 to form a radian; two supporting mechanism 3 set up in lower mould 1, and be located respectively and take off flitch 12 along length direction's both ends down, supporting mechanism 3 includes supporting chain 31, supporting chain 31 includes a plurality of movable supporting blocks 311 that connect gradually along supporting chain 31 length direction, supporting chain 31 can be sent into inside bumper 200 by the tip opening of bumper 200, and when terrace die shaping piece 22 extrudeed bumper 200 with die shaping piece 13, a plurality of movable supporting blocks 311 can be mutual relative rotation motion under the outside extrusion, and arrange linearly in the space between die shaping piece 13 and terrace die shaping piece 22, inside with the bending section that supports bumper 200. Supporting mechanism 3 can send into inside bumper 200 by bumper 200 tip opening supporting chain 31, supporting chain 31 can be at the space between die shaping piece 13 and terrace die shaping piece 22 linear arrangement when 2 pressfitting lower moulds of cope match-plate pattern 1, there is supporting chain 31 to support and crooked even and can not collapse when bumper 200 atress is crooked inside of curved part, thereby effectively support bumper 200's inside at the in-process of buckling, prevent effectively that bumper 200 from being collapsed and warp, production operation is simple, crooked effectual, the shaping high quality, improve product quality, reduce rejection rate and manufacturing cost, high production efficiency, therefore, the clothes hanger is strong in practicability, and has wide application prospect.

Specifically, the supporting mechanism 3 further includes a fixing seat 32, the supporting chain 31 further includes a fixed supporting block 312, one end of the fixed supporting block 312 is fixedly connected to the fixing seat 32, the other end of the fixed supporting block 312 is connected to a movable supporting block 311, and the fixing seat 32 can move in a translational manner along a length direction parallel to the female die forming block 13 relative to the lower die 1 so as to drive the supporting chain 31 to move in a translational manner to be fed into the bumper 200 or be pulled out of the bumper 200. Drive supporting chain 31 translational motion through fixing base 32, remove steadily, can accurately and swiftly send supporting chain 31 into bumper 200's tip opening, send into the process steady, accurate, degree of automation is high, improves product quality and production efficiency, and the practicality is strong.

Specifically, the lower die 1 further comprises guide rails 14, the guide rails 14 are fixedly arranged at the top of the lower die base 11 in parallel, and the extending direction of the guide rails 14 is parallel to the length direction of the lower stripper plate 12; the fixed seat 32 is slidably supported on the guide rail 14 so that the fixed seat 32 can move in a translational manner along the direction parallel to the length direction of the female die forming block 13. Fixing base 32 passes through guide rail 14 sliding connection in die holder 11, guide rail 14 leads spacingly to the translational motion of fixing base 32, make fixing base 32 along the steady accuracy of 14 translational motion of guide rail, the skew direction of being difficult for, thereby it is steady accurate to drive the 31 translational motion of supporting chain, can send into the tip opening of bumper 200 with supporting chain 31 accurate and fast ground, it is steady, accurate to send into the process, improve product quality and production efficiency, therefore, the clothes hanger is strong in practicability.

Specifically, the supporting mechanism 3 further comprises a positioning assembly 33, and the positioning assembly 33 is slidably supported on the guide rail 14 and is located between the fixed seat 32 and the female die forming block 13; the positioning component 33 comprises a positioning seat 331, a first through hole 3311 is formed in the positioning seat 331 along the sliding direction of the positioning component 33, the cross section shape and size of the first through hole 3311 are matched with the cross section shape and size of the support chain 31, and the support chain 31 can pass through the first through hole 3311 and limit the translational motion direction of the support chain 31; a step groove 3312 is coaxially formed around the first through hole 3311 on the side of the positioning seat 331 facing the die forming block 13, the cross-sectional shape and size of the step groove 3312 are matched with those of the bumper 200, and the positioning member 33 can move in a translational and sliding manner along the guide rail 14 so that the end of the bumper 200 is inserted into the step groove 3312 to position the end opening of the bumper 200. The supporting chain 31 passes through the first through hole 3311 that the positioning seat 331 was seted up, the shape and the size of first through hole 3311 cross section and the shape and the size looks adaptation of supporting chain 31 cross section, can lead and restrict the displacement of supporting chain 31 perpendicular to slip direction to the supporting chain 31, in order to reduce rocking of supporting chain 31, step groove 3312 has still been seted up on the positioning seat 331, the bumper 200 tip inserts step groove 3312 and can fix a position bumper 200 tip opening, in order to further improve supporting chain 31 and put into bumper 200 tip open-ended accuracy, improve the efficiency and the precision of putting into supporting chain 31, improve production efficiency and product quality, therefore, the clothes hanger is strong in practicability.

Specifically, the positioning assembly 33 further includes a pressing plate 332, a wedge plate 333 and a wedge plate driving device 334, the positioning seat 331 further has a second through hole 3313 above the first through hole 3311, and the second through hole 3313 is parallel to and communicated with the first through hole 3311; the pressing plate 332 is arranged in the second through hole 3313 and can slide along the vertical direction, the wedge plate 333 is movably arranged in the second through hole 3313 and clings to the upper side of the pressing plate 332, and the contact surface of the wedge plate 333 and the pressing plate 332 is a flat inclined surface which is inclined upwards and close to one side of the female die forming block 13; the wedge plate driving device 334 is fixedly disposed on the positioning seat 331 and is in transmission connection with the wedge plate 333, the wedge plate driving device 334 is used for driving the wedge plate 333 to slide along the extending direction of the second through hole 3313, and the wedge plate 333 drives the pressing plate 332 to move in a translation manner along the vertical direction, so that the pressing plate 332 clamps the bumper 200. The wedge plate driving device 334 can drive the wedge plate 333 to move in a translation mode along the extension direction of the second through hole 3313, the pressing plate 332 is extruded on the inclined surface of the lower side of the wedge plate 333, the pressing plate 332 is stressed to vertically slide downwards to press the end portion of the bumper 200 so as to clamp and fix the end portion of the bumper 200, the situation that the end portion of the bumper 200 is not over against the first through hole 3311 and the supporting chain 31 cannot be placed into the bumper can be prevented, after the supporting chain 31 is placed into an opening in the end portion of the bumper 200, the pressing plate 332 further presses the bumper 200, the bumper 200 and/or the supporting chain 31 are prevented from moving in a stamping process, the product stamping process is stable, the product quality is guaranteed, the product consistency is improved, the production efficiency is improved.

In one embodiment, the pressing plate 332 has a groove 3321 along the inclined surface, and the groove 3321 extends from the top to the bottom of the inclined surface of the pressing plate 332; the inclined surface of the wedge-shaped plate 333 further comprises a sliding rib 3331, and the sliding rib extends from the top to the bottom of the inclined surface of the wedge-shaped plate 333; the top of the sliding rib 3331 protrudes to both sides of the sliding rib 3331, so that the cross section of the sliding rib 3331 is T-shaped, and the groove 3321 and the sliding rib 3331 have the same size and shape as each other, so that the pressing plate 332 and the wedge plate 333 can only slide in a relative translational manner along the contact surface.

Specifically, the supporting mechanism 3 further comprises a fixed seat driving device 34 and a positioning component driving device 35, the positioning component driving device 35 is fixedly arranged on the lower die seat 11, and the positioning component driving device 35 is in transmission connection with the positioning component 33; the fixing seat driving device 34 is fixedly arranged at the bottom of the positioning assembly 33, and the fixing seat driving device 34 is in transmission connection with the fixing seat 32. Locating component drive arrangement 35 drive locating component 33 to make the tip of the fixed bumper 200 of positioning seat 331 earlier, fixing base drive arrangement 34 drives fixing base 32 again and sends into the tip opening of bumper 200 with supporting chain 31, and the drive is steady, accurate and swift, so that insert supporting chain 31 accurate and fast, further promotes degree of automation, reduces the manpower and intervenes, improves product quality, promotes production efficiency, and the practicality is strong.

In one embodiment, the holder drive 34 and the positioning assembly drive 35 are pneumatic cylinders.

Specifically, the lower die 1 further comprises a proximity switch 15, the proximity switch 15 is fixedly arranged at the top of the lower die base 11 and located at two ends of the guide rail 14, and the proximity switch 15 is used for detecting the positions of the positioning assembly 33 and the fixing base 32; the lower die 1 further comprises a positioning block 16, the positioning block 16 is fixedly arranged at the top of the lower die base 1 and located on one side of two end portions of the guide rail 14, and the positioning block 16 can stop the positioning assembly 33 and the fixing base 32 to prevent the positioning assembly 33 and the fixing base 32 from continuously moving out of the guide rail 14. The positioning switch 15 can control the fixed seat 32 and/or the positioning assembly 33 to stop moving continuously so as to protect the bumper 200 from being damaged, and also ensure that the fixed seat 32 and/or the positioning assembly 33 can be in a correct working position range, the positioning block 16 can forcibly prevent the positioning assembly 33 and/or the fixed seat 32 from exceeding the working position range when the proximity switch 15 fails, double safety can effectively ensure that the bumper bending stamping die 100 is not damaged, meanwhile, the quality of the bumper 200 can also be ensured, and the practicability is high.

Specifically, the bumper bending and stamping die 100 further includes a cushion pad 4, and the cushion pad 4 is disposed between the positioning assembly 33 and the positioning block 16, between the fixing seat 32 and the positioning block 16, and between the positioning assembly 33 and the fixing seat 32. Cushion 4 sets up between the contact surface of locating component 33, fixing base 32 and locating piece 16, effectively reduces the bumper and buckles stamping die 100 inside collision and assault, reduces bumper and buckles stamping die 100's deformation and damage, increase of service life, reduction in production cost guarantees product quality, and the practicality is strong.

In a specific embodiment, the cushion pad 4 is made of rubber material, and has good damping effect and long service life.

Specifically, the supporting mechanism 3 further includes a guide rail slider 36, and the fixed seat 32 and the positioning assembly 33 are slidably supported on the guide rail 14 through the guide rail slider 36; an air guide channel is arranged in the guide rail sliding block 36, an inlet of the air guide channel is used for being connected with an air source, and an outlet of the air guide channel is communicated with the lower side of the guide rail sliding block 36 so as to form an air cushion between the guide rail 14 and the guide rail sliding block 36. Let in gas formation air cushion between rail block 36 and the guide rail 14, the air cushion lifts rail block 36 and slides on guide rail 14, reduces sliding resistance, and fixing base 32 and locating component 33 translational motion are more steady, improve supporting chain 31 and send into and withdraw from bumper 200 tip open-ended efficiency and precision, improve production efficiency and product quality, and reducing wear is favorable to increase of service life, and the practicality is strong.

Specifically, the upper die 2 further comprises clamping and positioning blocks 23, and the two groups of clamping and positioning blocks 23 are arranged corresponding to two ends of the female die forming groove 131; two opposite inner sides of the female die forming blocks 13 at two ends of the female die forming groove 131 are provided with guide inclined planes 132, the upper sides of the guide inclined planes 132 are obliquely arranged towards the outer side of the female die forming groove 131, the clamping and positioning blocks 23 are provided with matching inclined planes 133 with the same inclination direction and angle as the guide inclined planes 132, and the two clamping and positioning blocks 23 are arranged on the upper stripper plate 21 corresponding to the two opposite inner sides of the female die forming blocks 13; the upper die 2 moves downwards to press the lower die 1, the matching inclined plane 133 of the clamping and positioning block 23 can be driven to be matched and in sliding contact with the guide inclined plane 132 of the female die forming block 13, and the clamping and positioning block 23 slides along the guide inclined plane 132 relative to the female die forming block 13, so that the two clamping and positioning blocks 23 move close to each other to clamp and position the end part of the fixed bumper 200. When the upper die 2 presses the lower die 1 downwards, the clamping and positioning block 23 can clamp the end part 200 of the bumper, so that the bumper 200 cannot move or rock due to stress in the stamping process, the accuracy of the bending position of the bumper 200 is guaranteed, the defective rate is reduced, the product consistency is guaranteed, the product quality is improved, and the practicability is high.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a bumper stamping die that buckles which characterized in that, bumper stamping die that buckles includes:

the lower die comprises a lower die base, a lower stripper plate and a female die forming block, wherein the lower stripper plate is fixedly arranged at the top of the lower die base, the female die forming block is fixedly arranged at the top of the lower stripper plate along the length direction, a female die forming groove for placing a bumper is formed in the female die forming block along the length direction, and an opening at the end part of the bumper is positioned at the end part of the female die forming block;

the upper die comprises an upper stripper plate corresponding to the lower stripper plate and a male die forming block corresponding to the female die forming block, and the upper die can press the lower die downwards and drive the male die forming block and the female die forming block to be matched with each other to extrude the bumper so as to bend the bumper to form a radian; and

the supporting mechanism is arranged on the lower die and is respectively positioned at two ends of the lower stripper plate along the length direction, the supporting mechanism comprises a supporting chain, the supporting chain comprises a plurality of movable supporting blocks which are sequentially connected along the length direction of the supporting chain, the supporting chain can be fed into the interior of the bumper through an end opening of the bumper, the male die forming block and the female die forming block can extrude the bumper, the movable supporting blocks can do relative rotation movement under external extrusion, and the female die forming block and gaps among the male die forming blocks are arranged linearly to support the interior of the bending section of the bumper.

2. The bumper bending and stamping die according to claim 1, wherein the supporting mechanism further comprises a fixed seat, the supporting chain further comprises a fixed supporting block, one end of the fixed supporting block is fixedly connected to the fixed seat, the other end of the fixed supporting block is connected to the movable supporting block, and the fixed seat can move in a translational manner relative to the lower die along a length direction parallel to the female die forming block so as to drive the supporting chain to move in a translational manner to be fed into the bumper or pulled out of the bumper.

3. The bumper bending and stamping die according to claim 2, wherein the lower die further comprises guide rails, the guide rails are fixedly arranged on the top of the lower die base in parallel, and the extending direction of the guide rails is parallel to the length direction of the lower stripper plate; the fixing seat is supported on the guide rail in a sliding mode, so that the fixing seat can move in a translational mode along the length direction parallel to the female die forming block.

4. The bumper bending and stamping die according to claim 3, wherein the supporting mechanism further comprises a positioning assembly, the positioning assembly is slidably supported on the guide rail and is positioned between the fixed seat and the female die forming block; the positioning assembly comprises a positioning seat, a first through hole is formed in the positioning seat along the sliding direction of the positioning assembly, the shape and the size of the cross section of the first through hole are matched with those of the cross section of the supporting chain, and the supporting chain can penetrate through the first through hole and limit the translational motion direction of the supporting chain; one side of the positioning seat facing the female die forming block surrounds the first through hole, a step groove is coaxially formed, the shape and the size of the cross section of the step groove are matched with those of the cross section of the bumper, the positioning assembly can move in a sliding mode along the guide rail in a translation mode, the end portion of the bumper is inserted into the step groove, and the end portion opening of the bumper is positioned.

5. The bumper bending and stamping die according to claim 4, wherein the positioning assembly further comprises a pressing plate, a wedge plate and a wedge plate driving device, a second through hole is further formed in the positioning seat above the first through hole, and the second through hole is parallel to and communicated with the first through hole; the compression plate is arranged in the second through hole and can slide along the vertical direction, the wedge-shaped plate is movably arranged in the second through hole and clings to the upper side of the compression plate, and the contact surface of the wedge-shaped plate and the compression plate is a flat inclined surface which is close to one side of the female die forming block and inclines upwards; the wedge plate driving device is fixedly arranged on the positioning seat and is in transmission connection with the wedge plate, the wedge plate driving device is used for driving the wedge plate to move in a sliding mode along the extending direction of the second through hole, and the wedge plate drives the pressing plate to move in a translation mode along the vertical direction, so that the pressing plate clamps the bumper.

6. The bumper bending and stamping die according to claim 4, wherein the supporting mechanism further comprises a fixed seat driving device and a positioning assembly driving device, the positioning assembly driving device is fixedly arranged on the lower die seat, and the positioning assembly driving device is in transmission connection with the positioning assembly; the fixing seat driving device is fixedly arranged at the bottom of the positioning assembly and is in transmission connection with the fixing seat.

7. The bumper bending and stamping die according to claim 4, wherein the lower die further comprises a proximity switch, the proximity switch is fixedly arranged at the top of the lower die base and positioned at two ends of the guide rail, and the proximity switch is used for detecting the positions of the positioning assembly and the fixing base;

the lower die further comprises a positioning block, the positioning block is fixedly arranged at the top of the lower die base and positioned on one side of two end portions of the guide rail, and the positioning block can stop the positioning assembly and the fixing base so as to prevent the positioning assembly and the fixing base from continuously moving and falling off the guide rail.

8. The bumper bending stamping die according to claim 7, further comprising cushion pads disposed between the positioning assembly and the positioning block, between the fixing seat and the positioning block, and between the positioning assembly and the fixing seat.

9. The bumper bending and stamping die according to claim 4, wherein the supporting mechanism further comprises a guide rail sliding block, and the fixing seat and the positioning assembly are slidably supported on the guide rail through the guide rail sliding block; an air guide channel is arranged in the guide rail sliding block, an inlet of the air guide channel is used for being connected with an air source, and an outlet of the air guide channel is communicated with the lower side of the guide rail sliding block so as to form an air cushion between the guide rail and the guide rail sliding block.

10. The bumper bending and stamping die according to any one of claims 1 to 9, wherein the upper die further comprises clamping and positioning blocks, and two groups of clamping and positioning blocks are arranged corresponding to two ends of the female die forming groove;

the two opposite inner sides of the female die forming blocks at the two ends of the female die forming groove are provided with guide inclined planes, the upper sides of the guide inclined planes are obliquely arranged towards the outer side of the female die forming groove, the clamping and positioning blocks are provided with matched inclined planes with the same inclination direction and angle as the guide inclined planes, and the two clamping and positioning blocks are arranged on the upper stripper plate corresponding to the two opposite inner sides of the female die forming blocks;

the upper die is pressed downwards to the lower die, the matching inclined surface of the clamping and positioning block can be driven to be in matched sliding contact with the guide inclined surface of the female die forming block, and the clamping and positioning block slides along the guide inclined surface relative to the female die forming block so as to enable the two clamping and positioning blocks to move close to each other to clamp, position and fix the end part of the bumper.

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