CN211276210U

CN211276210U - High accuracy car five metals stamping workpiece one-time bending forming device

Info

Publication number: CN211276210U
Application number: CN201922330883.3U
Authority: CN
Inventors: 王梦军
Original assignee: Dongguan Haiyi Automobile Mould Co ltd
Current assignee: Dongguan Haiyi Automobile Mould Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-08-18
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a high-precision automobile hardware stamping part one-time bending forming device, wherein an upper die plate with a guide rail is arranged at the bottom of a liftable upper die base, a slider moves along the guide rail, and downward acting force is exerted on the top of the slider by an upper die spring and a thimble; the lower die holder below is provided with a pressure plate, a positioning block and a guide plate, the bottom of the pressure plate is provided with a lower die spring to drive the pressure plate to ascend and reset, a bending swing block above the positioning block moves along a guide groove of the guide plate through a guide shaft, when a sliding block presses a workpiece to be stamped on the pressure plate, the sliding block moves along a guide rail until the sliding block moves to the top of the guide rail and then drives the workpiece to be stamped to move downwards, and the bending swing block is turned in the process, so that the workpiece to be stamped is formed through one-step stamping and bending through the multi-directional effects of the sliding block. The device simple structure, job stabilization can reduce structural complexity, can effectively reduce the angle resilience of the in-process of bending simultaneously, and reduce and treat the impaired probability of stamping workpiece to improve the effect of bending.

Description

High accuracy car five metals stamping workpiece one-time bending forming device

Technical Field

The utility model relates to a panel beating stamping equipment especially relates to a fashioned bending device of once bending to car five metals stamping workpiece.

Background

The bending machine is a machine for bending a straight metal plate, and is commonly used in the production of various mechanical equipment. If the length of the metal plate to be bent is large, the bent part of the metal plate can be rapidly deformed in the bending process and is accompanied with large bending angle rebound. The existing bending machine easily causes scratch and crush on the surface of a long metal plate in the bending process, so that the metal plate is damaged. To reduce this, the existing bending machines need to be provided with some very complicated guiding and buffering structures, which greatly increases the complexity of the equipment and the manufacturing cost.

Disclosure of Invention

The utility model aims at providing a simple structure just can accurately make the fashioned bending device of panel beating one shot bending to improve the effect of bending.

In order to achieve the purpose, the utility model provides a high accuracy car five metals stamping workpiece one-time bending forming device, including the fixed die holder that sets up, set up in the die holder top and the liftable upper die base, the pressure flitch for placing treating the stamping workpiece is installed on the die holder liftable, and be provided with the lower mould spring that can jack up the pressure flitch between pressure flitch bottom and the die holder, one of them side of pressure flitch is provided with the pendulum piece of bending, the one side that lies in the pressure flitch dorsad below the pendulum piece of bending is equipped with the locating piece fixedly installed on the die holder, the deflector is installed to the both sides of locating piece, one side of deflector is relative with the pendulum piece of bending towards one side of pressure flitch and its upper edge vertical is equipped with the guide way, the guide shaft that can move along the guide way is; an upper back plate is arranged at the bottom of the upper die base opposite to the material pressing plate, an upper die plate is arranged at one side of the bottom of the upper back plate, which is back to the bending swing block, an inclined guide rail is arranged at one side of the upper die plate, which faces the bending swing block, a sliding block which moves along the guide rail is arranged additionally, an upper die spring is also arranged on the upper die base, and a thimble is arranged between the upper die spring and the top of the sliding block; and the downward force applied to the workpiece to be stamped by the upper die spring through the ejector pin and the sliding block is smaller than the supporting force applied to the workpiece to be stamped by the lower die spring through the material pressing plate.

According to the technical scheme of the utility model, the pressure plate and the bending swing block are both arranged on the lower die base, wherein the pressure plate can lift under the vertical acting force, and the pressure plate can swing through the interaction between the guide shaft on the pressure plate and the guide groove on the guide plate; on the other hand, the upper die base can drive the upper back plate, the upper die plate and the sliding block which are arranged on the upper die base to downwards press towards the parts to be stamped. Before the sliding block is contacted with a to-be-stamped part, the sliding block is positioned at the bottom end of the upper template guide rail under the action of self gravity and the elasticity of an upper die spring; then, after the sliding block is contacted with a to-be-stamped part, because the supporting force exerted by the lower die spring on the to-be-stamped part is greater than that exerted by the upper die spring, the sliding block moves to the top end of the guide rail along the guide rail, and the upper die spring is further compressed; in addition, in the process that the sliding block moves along the guide rail, the sliding block is always in contact with the top surface of the to-be-stamped part and transversely moves towards the direction of the bent swinging block; then, the upper die base drives the sliding block to continue to press downwards, the pressure plate moves downwards, the lower die spring is compressed, and meanwhile, the guide shaft on the bending swinging block moves downwards along the guide groove on the guide plate, so that the bending swinging block is turned over; therefore, the stamping part is simultaneously driven by the downward pressing of the sliding block, the supporting of the pressure plate and the overturning of the bending swinging block, so that the stamping part is bent relative to the adjacent position of the bending swinging block and the pressure plate, and the one-step stamping bending forming is realized; after the bending is finished, the upper die base rises to reset, the sliding block and the pressure plate are simultaneously reset under the driving of the upper die spring and the lower die spring, and one working stroke is finished. The device realizes bending through the multi-directional action of the sliding block, the material pressing plate and the bending swinging block, and simultaneously provides buffering by the upper die spring and the lower die spring, so that the angle rebound in the bending process can be effectively reduced, the probability of damage of a to-be-stamped part can also be reduced, and the bending effect is improved; and the device has simple structure and stable work, and is beneficial to reducing the structural complexity of equipment.

Drawings

Fig. 1, 2 and 3 are schematic structural diagrams of different working states of the one-time bending forming device for high-precision automobile hardware stamping parts.

Fig. 4 and 5 are partial structural schematic diagrams before bending.

Fig. 6 and 7 are schematic views of the bent partial structures.

Fig. 8 is a schematic view of a connection structure between the bending swing block and the guide plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indicators (such as … …, upper, lower, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are involved in the embodiments of the present invention, the directional indicators are only used to explain the relative position, motion, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a high accuracy car five metals stamping workpiece one shot forming device that bends.

In the embodiment of the utility model, as shown in fig. 1-8, the high-precision automobile hardware stamping part one-time bending forming device comprises a fixedly arranged lower die holder 1 and a liftable upper die holder 2 arranged above the lower die holder, a pressure plate 3 for placing a to-be-stamped part is arranged on the lower die holder in a liftable manner, a lower die spring 4 capable of jacking up the pressure plate is arranged between the bottom of the pressure plate and the lower die holder, one side of the pressure plate is provided with a bending swing block 5, one side of the bending swing block, which is positioned away from the pressure plate, is provided with a positioning block 6 fixedly arranged on the lower die holder, guide plates 7 are arranged on two sides of the positioning block, one side of each guide plate is opposite to one side of the bending swing block, which is oriented to the pressure plate, and is vertically provided with a guide groove 71, and a guide; an upper back plate 8 is arranged at the bottom of the upper die base opposite to the pressure plate, an upper die plate 9 is arranged at one side of the bottom of the upper back plate, which is back to the bending swing block, an inclined guide rail 91 is arranged at one side of the upper die plate, which faces the bending swing block, a slide block 10 moving along the guide rail is arranged additionally, an upper die spring 11 is also arranged on the upper die base, and an ejector pin 12 is arranged between the upper die spring and the top of the slide block; and the downward force applied to the workpiece to be stamped by the upper die spring through the ejector pin and the sliding block is smaller than the supporting force applied to the workpiece to be stamped by the lower die spring through the material pressing plate.

As shown in fig. 1-7, before the slider contacts with the to-be-stamped part, the to-be-stamped part 100 is placed on the swaging plate and the bending swing block, and the slider is located at the bottom end of the upper template guide rail under the action of self gravity and the elastic force of the upper die spring, as shown in fig. 1, 4 and 5; then the upper die base drives the sliding block to descend, after the sliding block is contacted with a to-be-stamped part, because the supporting force exerted by the lower die spring on the to-be-stamped part is larger than that of the upper die spring, the sliding block moves to the top end of the guide rail along the guide rail, and the upper die spring is further compressed; in addition, in the process that the sliding block moves along the guide rail, the sliding block is always in contact with the top surface of the to-be-stamped part and transversely moves towards the direction of the bending swinging block, as shown in fig. 2; then, the upper die base drives the sliding block to continue to press downwards, the pressure plate moves downwards, the lower die spring is compressed, meanwhile, the guide shaft on the bending swinging block moves downwards along the guide groove on the guide plate, so that the bending swinging block overturns and falls into a gap between the top of the pressure plate and the positioning block, and the width of the gap is not less than the thickness of the bending swinging block; therefore, the stamping part is simultaneously driven by the downward pressing of the sliding block, the supporting of the pressure plate and the overturning of the bending swinging block, so that the stamping part is bent relative to the bending swinging block and the adjacent position of the pressure plate, and as shown in figures 3, 6 and 7, the one-time stamping bending forming is realized; after the bending is finished, the upper die base rises to reset, the sliding block and the pressure plate are simultaneously reset under the driving of the upper die spring and the lower die spring, and one working stroke is finished.

High accuracy car five metals stamping workpiece one-time forming device that bends, the material pressing plate 3 is less than the pendulum piece of bending with the level of the bottom of the adjacent one side of pendulum piece 5 of bending, and this side bottom of material pressing plate outwards extends has the tray 31, after the completion of bending, material pressing plate rises under the effect of lower mould spring and resets, the layer board on it then can drive the pendulum piece reverse movement of bending in order to reset simultaneously. The structure is very simple, but the work is accurate and fast.

According to the high-precision one-time bending forming device for the automobile hardware stamping parts, the upper back plate 8 is provided with a vertical guide hole, the ejector pin 12 is arranged in the guide hole, and the end part of the ejector pin penetrates through the guide hole to abut against the sliding block 10; in addition, the bottom of the slider 10 and the bottom of the upper template 9 are both horizontal, and when the slider moves along the guide rail 91 to abut against the upper back plate 8, the slider and the bottom of the upper template are located on the same horizontal plane. This one side can form the direction through the guiding hole to the thimble, and on the other hand then can shift up to the top at the slider after offset with last backplate to exert vertical spacing to the slider through last backplate, avoid the slider to remove excessively, also make the slider accurately be in same level with the bottom surface of cope match-plate pattern, thereby offset in order to exert the holding down force with waiting the stamping workpiece simultaneously, thereby improve bending precision and bending effect.

High accuracy car five metals stamping workpiece one-time bending forming device, install lower plate 13 on the die holder 1, install lower mould guide pillar 14 on the lower plate, open the bottom of pressure flitch 3 has the direction concave station with lower mould guide pillar matched with, improves the mobility stability and the accuracy nature of pressure flitch through the cooperation of direction concave station and lower mould guide pillar.

High accuracy car five metals stamping workpiece one-time bending forming device, locating piece 6 is located to install limit stop 15 in one side of pressure flitch 3 dorsad, the top surface that highly is higher than the locating piece and is not higher than pendulum piece 5 of bending at limit stop top, it can carry on spacingly to the pendulum piece of bending, guarantees the removal precision of pendulum piece of bending. Besides, the lower die holder 1 is further provided with a positioning stop block 16, the height of the positioning stop block is higher than the top surface height of the material pressing plate 3, the positioning stop block is located on one side of the limit stop block, which is back to the material pressing plate, and the end part of the to-be-treated stamping part can be positioned so as to improve the bending precision.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a high accuracy car five metals stamping workpiece one shot forming device that bends which characterized in that: the stamping die comprises a lower die base (1) fixedly arranged and an upper die base (2) arranged above the lower die base and capable of lifting, a pressure plate (3) used for placing a to-be-stamped part is arranged on the lower die base in a lifting mode, a lower die spring (4) capable of jacking the pressure plate is arranged between the bottom of the pressure plate and the lower die base, a bending swing block (5) is arranged on one side of the pressure plate, a positioning block (6) fixedly arranged on the lower die base is arranged below the bending swing block and on one side opposite to the pressure plate, guide plates (7) are arranged on two sides of the positioning block, one side of each guide plate is opposite to one side of the bending swing block facing the pressure plate, a guide groove (71) is vertically arranged on each guide plate, and a guide shaft (51); an upper back plate (8) is arranged at the position, opposite to the material pressing plate, of the bottom of the upper die base, an upper die plate (9) is arranged on one side, back to the bending swing block, of the bottom of the upper back plate, an inclined guide rail (91) is arranged on one side, facing the bending swing block, of the upper die plate, a sliding block (10) moving along the guide rail is arranged in addition, an upper die spring (11) is further arranged on the upper die base, and a thimble (12) is arranged between the upper die spring and; and the downward force applied to the workpiece to be stamped by the upper die spring through the ejector pin and the sliding block is smaller than the supporting force applied to the workpiece to be stamped by the lower die spring through the material pressing plate.

2. The one-time bending forming device for the high-precision automobile hardware stamping part as claimed in claim 1, wherein: the horizontal height of the bottom of one side of the pressure plate (3) adjacent to the bending swinging block (5) is lower than that of the bending swinging block, and the bottom of the side edge of the pressure plate extends outwards to form a support block (31).

3. The one-time bending forming device for the high-precision automobile hardware stamping part as claimed in claim 1, wherein: the upper back plate (8) is provided with a vertical guide hole, the thimble (12) is arranged in the guide hole, and the end part of the thimble penetrates through the guide hole to be abutted against the slide block (10).

4. The one-time bending forming device for the high-precision automobile hardware stamping part as claimed in claim 3, wherein: the bottoms of the sliding block (10) and the upper template (9) are horizontal, and when the sliding block moves along the guide rail (91) to abut against the upper back plate (8), the sliding block and the bottom of the upper template are positioned on the same horizontal plane.

5. The one-time bending forming device for the high-precision automobile hardware stamping part as claimed in claim 1, wherein: a lower clamping plate (13) is arranged on the lower die holder (1), a lower die guide post (14) is arranged on the lower clamping plate, and a guide concave table matched with the lower die guide post is arranged at the bottom of the pressure plate (3).

6. The one-time bending forming device for the high-precision automobile hardware stamping part as claimed in claim 1, wherein: and a limit stop (15) is arranged at one side of the positioning block (6) back to the material pressing plate (3), and the top of the limit stop is higher than the positioning block and is not higher than the top surface of the bending swing block (5).

7. The one-time bending forming device for the high-precision automobile hardware stamping part as claimed in claim 6, wherein: a positioning stop block (16) is arranged on one side, back to the pressure plate, of the limit stop block on the lower die holder (1), and the height of the positioning stop block is higher than that of the top surface of the pressure plate (3).