CN216540367U

CN216540367U - Automobile metal plate stamping die

Info

Publication number: CN216540367U
Application number: CN202122640135.2U
Authority: CN
Inventors: 薛威
Original assignee: Qingdao Yongfengcheng Precision Mould Co ltd
Current assignee: Qingdao Yongfengcheng Precision Mould Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-17
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses an automobile metal plate stamping die which comprises a lower die and an upper die, wherein through grooves are formed in four corners of the upper die, fixed plates are fixedly connected to the upper end of the upper die above the four through grooves, displacement mechanisms for displacing the upper die are arranged at the lower ends of the fixed plates, a fixed table is fixedly connected to the upper end of the lower die, a stamping groove is formed in the upper end of the fixed table, a stamping block matched with the stamping groove is fixedly connected to the lower end of the upper die, two symmetrically-arranged sliding grooves are formed in the upper end surface of the lower die, and limiting mechanisms for limiting workpieces are arranged in the two sliding grooves. The workpiece clamping device is reasonable in structure, and the workpiece on the fixed table is clamped by arranging the limiting mechanism and the driving mechanism, so that the workpiece is effectively prevented from being deviated during stamping, and the stability of the workpiece during stamping is improved.

Description

Automobile metal plate stamping die

Technical Field

The utility model relates to the technical field of sheet metal dies, in particular to an automobile sheet metal stamping die.

Background

Along with the improvement of people's standard of living, the demand of car is also bigger and bigger, and the car sheet metal component is the important part of automobile manufacturing, and the mould punching press need be adopted to the production of car panel beating mostly.

Among the prior art, traditional car sheet metal component is the manual work mostly in stamping process and places the bed die with the sheet metal component on, accomplishes the punching press through last mould lapse, but because lack spacing to the sheet metal component during the punching press, very easily causes the position of sheet metal component to take place the skew to the punching press precision of sheet metal component is low, and then influences product quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an automobile sheet metal stamping die which is provided with a limiting mechanism and a driving mechanism to clamp a workpiece on a fixed table, effectively prevent the workpiece from deviating during stamping, improve the stability of the workpiece during stamping, improve the quality of a product, effectively cool the die under the action of cooling liquid through a cooling cavity and the cooling liquid, and prolong the service life of the die.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automobile sheet metal stamping die comprises a lower die and an upper die, wherein through grooves are formed in four corners of the upper die, the upper ends of the upper dies are positioned above the four through grooves and are all fixedly connected with fixed plates, the lower ends of the fixed plates are all provided with displacement mechanisms for displacing the upper dies, the upper end of the lower die is fixedly connected with a fixed table, the upper end of the fixed table is provided with a stamping groove, the lower end of the upper die is fixedly connected with a stamping block matched with the stamping groove, the upper end surface of the lower die is provided with two symmetrically arranged sliding grooves, a limiting mechanism for limiting a workpiece is arranged in each sliding groove, the limiting mechanism comprises a sliding block which is connected in the sliding groove in a sliding mode, a trapezoidal block is fixedly connected to the upper end of the sliding block, and a driving mechanism used for driving the limiting mechanism is arranged at the lower end of the upper die.

Preferably, the displacement mechanism comprises an electric push rod fixedly connected to the lower end of the fixing plate, and a telescopic end of the electric push rod is fixedly connected to the upper end of the lower die.

Preferably, the driving mechanism comprises two symmetrically arranged vertical rods fixedly connected to the lower end of the upper die, and the two vertical rods are matched with the trapezoidal block.

Preferably, the two sliding blocks are respectively and elastically connected with the inner wall of the sliding groove on the same side through springs, and the two springs are both pressure springs.

Preferably, two extending grooves matched with the vertical rod are formed in the lower die, and the two extending grooves are symmetrically arranged.

Preferably, a cooling cavity is formed in the fixing table, and cooling liquid is arranged in the cooling cavity.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up stop gear and actuating mechanism, when going up the mould lapse, drive two montants lapse, two trapezoidal blocks of montant lapse in-process extrusion are drawn close to the centre to the realization carries out the centre gripping to the work piece on the fixed station, and the skew takes place during the effectual work piece punching press that prevents improves the stability of work piece when the punching press, thereby improves the quality of product.

2. Through setting up cooling chamber and coolant liquid, the mould is when lasting the work, because its temperature of friction with the metalwork can rise, can lead to mould high temperature to take place deformation, under the effect of coolant liquid, can effectually cool down mould itself, improves the life of mould.

Drawings

Fig. 1 is a schematic structural diagram of an automobile sheet metal stamping die provided by the utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a perspective view of a lower die of the automobile sheet metal stamping die provided by the utility model.

In the figure: the device comprises a lower die 1, an electric push rod 2, a through groove 3, a fixing plate 4, an upper die 5, a stamping block 6, a vertical rod 7, a fixing table 8, a stamping groove 9, a cooling cavity 10, a trapezoidal block 11, a sliding block 12, a sliding groove 13, an extension groove 14 and a spring 15.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar tables are used herein for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, an automobile metal plate stamping die, including bed die 1 and last mould 5, the four corners department of going up mould 5 all sets up by leading to groove 3, set up two extension grooves 14 with montant 7 matched with in the bed die 1, two extension grooves 14 are the symmetry setting, the upper end of going up mould 5 is located four equal fixedly connected with fixed plates 4 in the top that leads to groove 3, the lower extreme of a plurality of fixed plates 4 all is provided with the displacement mechanism that is used for carrying out the displacement to last mould 5, the displacement mechanism includes electric putter 2 of fixed connection at the 4 lower extremes of fixed plate, electric putter 2's flexible end fixed connection is in the upper end of bed die 1.

Lower mould 1's upper end fixedly connected with fixed station 8, cooling chamber 10 has been seted up to fixed station 8's inside, be provided with the coolant liquid in the cooling chamber 10, stamping groove 9 has been seted up to fixed station 8's upper end, go up mould 5's lower extreme fixedly connected with and stamping groove 9 matched with punching press piece 6, two spout 13 that the symmetry set up are seted up to lower mould 1's up end, all be provided with in two spout 13 and be used for carrying out spacing stop gear to the work piece, stop gear includes slider 12 of sliding connection in spout 13, two sliders 12 respectively with the homonymy spout 13 between the inner wall through spring 15 elastic connection, two springs 15 are pressure spring, the upper end fixedly connected with trapezoidal piece 11 of slider 12.

Go up the lower extreme of mould 5 and be provided with and be used for carrying out driven actuating mechanism to stop gear, actuating mechanism includes montant 7 that two symmetries of fixed connection at last mould 5 lower extreme set up, two montants 7 all cooperate with trapezoidal piece 11, it needs to notice, montant 7 only can promote 11 displacement of trapezoidal piece one section distances, and not make trapezoidal piece 11 remove all the time, after 11 centre gripping work pieces of trapezoidal piece, montant 7 then can hug closely the lateral wall of trapezoidal piece 11 and continue to move down, and insert in the extension groove 14, this in-process, trapezoidal piece 11 are unmovable.

When the stamping device is used, during stamping, the telescopic end of the electric push rod 2 is driven to extend to drive the upper die 5 to move downwards, when the upper die 5 moves downwards, the two vertical rods 7 are driven to move downwards, the two trapezoidal blocks 11 are extruded to approach towards the middle in the downward movement process of the vertical rods 7, so that a workpiece on the fixed table 8 is clamped, the workpiece is effectively prevented from being deviated during stamping, the stability of the workpiece during stamping is improved, and the quality of a product is improved;

the device is at the continuous operation time, because its temperature of friction with the metalwork can rise, can lead to the device high temperature to take place deformation, under the effect of coolant liquid, can effectually cool down device itself, improves the life of device.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. An automobile sheet metal stamping die comprises a lower die (1) and an upper die (5), and is characterized in that through grooves (3) are formed in four corners of the upper die (5), a fixing plate (4) is fixedly connected above the four through grooves (3) at the upper end of the upper die (5), a plurality of displacement mechanisms for displacing the upper die (5) are arranged at the lower ends of the fixing plates (4), a fixing table (8) is fixedly connected to the upper end of the lower die (1), a stamping groove (9) is formed in the upper end of the fixing table (8), a stamping block (6) matched with the stamping groove (9) is fixedly connected to the lower end of the upper die (5), two symmetrically-arranged sliding grooves (13) are formed in the upper end face of the lower die (1), and limiting mechanisms for limiting workpieces are arranged in the two sliding grooves (13), the limiting mechanism comprises a sliding block (12) which is connected in a sliding groove (13) in a sliding mode, a trapezoidal block (11) is fixedly connected to the upper end of the sliding block (12), and a driving mechanism used for driving the limiting mechanism is arranged at the lower end of the upper die (5).

2. The automobile sheet metal stamping die according to claim 1, wherein the displacement mechanism comprises an electric push rod (2) fixedly connected to the lower end of the fixing plate (4), and the telescopic end of the electric push rod (2) is fixedly connected to the upper end of the lower die (1).

3. The automobile sheet metal stamping die according to claim 2, wherein the driving mechanism comprises two symmetrically arranged vertical rods (7) fixedly connected to the lower end of the upper die (5), and both vertical rods (7) are matched with the trapezoidal blocks (11).

4. The automobile sheet metal stamping die according to claim 3, wherein the two sliding blocks (12) are respectively and elastically connected with the inner wall of the sliding groove (13) on the same side through springs (15), and the two springs (15) are both pressure springs.

5. The automobile sheet metal stamping die according to claim 4, wherein two extension grooves (14) matched with the vertical rod (7) are formed in the lower die (1), and the two extension grooves (14) are symmetrically arranged.

6. The automobile sheet metal stamping die according to claim 5, wherein a cooling cavity (10) is formed in the fixing table (8), and cooling liquid is arranged in the cooling cavity (10).