Stamping device for automobile part positioning ring

Abstract

The utility model relates to the technical field of stamping devices, in particular to a stamping device for an automobile part positioning ring, which comprises a supporting table, a lower pressing plate and an upper pressing plate, an upper die is arranged at the bottom of the upper pressing plate and comprises a plurality of punching dies, bending dies and cutting dies which are sequentially arranged, a lower die is arranged on the upper portion of the lower pressing plate, and the lower die is arranged on the upper portion of the lower pressing plate. The lower die comprises a first table body, a second table body, a curling mechanism and a shuttling block which are arranged in sequence, the lower die located between the first table body and the second table body is further provided with a lifting structure capable of ascending and descending, and the top of the lifting structure is provided with a plurality of positioning pins capable of being clamped into punched holes of metal sheets; the upper die is provided with a control structure used for driving the lifting structure to keep moving in the opposite direction of the upper die, and the problems that in a traditional positioning ring stamping device, a metal sheet to be machined is limited only through the discharging end of a servo roller feeder and a rear shuttle block, misplacement may occur in the stamping process, and the machining precision is poor are solved. Therefore, the production continuity is influenced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of stamping devices, and discloses a stamping device for an automobile accessory positioning ring. BACKGROUND

[0002] The positioning ring is installed between an automobile steering shaft and a lock, locks the steering shaft in the lock, increases the force required for rotating the steering wheel when the steering wheel is locked, and plays a theftproof role.

[0003] The positioning ring is produced by a stamping device, such as the positioning ring stamping device disclosed in Chinese Patent No. CN216369782U, which comprises a supporting table mounted on a workbench, a lower pressing plate mounted on the supporting table, and an upper pressing plate mounted above the lower pressing plate and driven to ascend and descend by a hydraulic cylinder, the bottom of the upper pressing plate is provided with an upper die, the upper of the lower pressing plate is provided with a lower die, the upper die comprises a plurality of punching dies, bending dies and cutting dies arranged in front-to-rear order, and the lower die comprises a first table body, a second table body, a curling mechanism and a shuttle block arranged in front-to-rear order.

[0004] In the above-mentioned positioning ring stamping device, the metal sheet is fed by a servo roller feeder mounted in front, and is intermittently fed after the upper pressing plate and the lower pressing plate are separated, in the process of the metal sheet running between the upper pressing plate and the lower pressing plate, the metal sheet is only limited by the discharge end of the servo roller feeder and the rear shuttle block. However, in the process of the upper pressing plate and the lower pressing plate closing and stamping, the impact force applied to the metal sheet may cause its dislocation, thereby affecting the continuity of its production.

[0005] Therefore, the inventor provides a stamping device for an automobile accessory positioning ring in order to solve the above-mentioned problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at solving the problem that in the traditional positioning ring stamping device, the metal sheet to be processed is only limited by the discharge end of the servo roller feeder and the rear shuttle block, and may be dislocated in the stamping process, thereby affecting the continuity of its production.

[0007] In order to achieve the above object, the utility model discloses a basic scheme provides a kind of stamping device for automobile accessory positioning ring, including support table, be set on the lower pressing plate of support table and be set on the upper pressing plate of lower pressing plate and by the upper pressing plate of hydraulic cylinder driven lifting, the bottom of upper pressing plate is provided with upper die, and upper die includes the multiple punch die, bending die and cutting die that are sequentially arranged from front to back, the upper portion of lower pressing plate is provided with lower die, and lower die includes the first table body, second table body, curling mechanism and shuttle block that are sequentially arranged from front to back, the lower die between first table body and second table body is also provided with liftable lifting structure, the top of the lifting structure is equipped with several positioning pins that can be inserted into the punch hole of metal sheet, and upper die is provided with control structure for driving lifting structure to keep reverse motion with upper die.

[0008] Further, the lower die between first table body and second table body is opened with containing groove, and the lifting structure includes lifting platform that is slidably connected in containing groove and controlled by control structure and several springs that are fixed between the bottom of lifting platform and the inner bottom surface of containing groove, and the positioning pins are arrayed on the top of lifting platform.

[0009] Further, the side of the top of the positioning pin towards first table body direction is opened with inclined groove, and is formed with inclined surface.

[0010] Further, the side of the top of the positioning pin towards second table body direction is opened with inclined groove, and is formed with inclined surface.

[0011] Further, the top surface of lifting platform outside the positioning pin is formed with supporting surface that can be attached with the bottom surface of metal sheet.

[0012] Further, the top end of containing groove is provided with enclosing plate, and the both sides of lifting platform below enclosing plate are provided with baffle.

[0013] Further, the lower die on both sides of containing groove is also opened with communication notch that is communicated with the bottom of containing groove, and control structure includes control rod that is fixed on the bottom of upper die and extends into communication notch and pull rope that is fixed on the bottom end of control rod, and the free end of pull rope extends into containing groove through communication notch and is fixed on the bottom of baffle on the same side.

[0014] The principle and effect of the present scheme are as follows:

[0015] Compared with the prior art, the lifting structure is installed between the first table body and the second table body of the lower die, in the process that the upper pressing plate is pressed downward, the lifting structure is controlled to rise by the control structure and the positioning pin is placed into the punched hole of the metal sheet, positioning of the metal sheet is carried out, and in the process of punching after the upper pressing plate is completely pressed, the punched metal sheet will not be displaced, after the punching is completed, in the process that the upper pressing plate is reset upward, the lifting structure is controlled to descend by the control structure and the positioning pin is pulled out from the punched hole of the metal sheet, so that the next section of the metal sheet to be punched is entered, and the problem that in the traditional positioning ring punching device, the metal sheet to be processed is only limited by the discharge end of the servo roller feeder and the shuttle block behind, and displacement may occur in the punching process, thereby affecting the continuity of production is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0017] Figure 1 A schematic view of a punching device for automobile accessory positioning ring is shown;

[0018] Figure 2 A side view of a lifting structure of a punching device for automobile accessory positioning ring is shown;

[0019] Figure 3 A front view of a lifting structure of a punching device for automobile accessory positioning ring is shown. DETAILED DESCRIPTION

[0020] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined utility model purposes, the following will combine the drawings and the preferred embodiments to specifically describe the specific embodiments, structures, features and effects of the present application.

[0021] The reference signs in the drawings of the specification include: upper pressing plate 1, lower pressing plate 2, lifting table 3, positioning pin 4, supporting table 5, control rod 6, connecting block 7, baffle 8, pull rope 9, spring 10, metal sheet 11, punched hole 12.

[0022] A punching device for automobile accessory positioning ring, as shown in Figure 1 , Figure 2 and Figure 3 ,

[0023] The upper die is installed on the bottom of the upper die, and the upper die is installed from front to back. A plurality of punching dies, bending dies and cutting dies are installed. The upper part of the lower die is installed with a lower die, and the lower die is installed from front to back. The first body, the second body, the curling mechanism and the shuttle block are installed in turn. Among them, the punching die, the bending die, the cutting die, the first body, the second body, the curling mechanism and the shuttle block can be realized by using the prior art.

[0024] In this embodiment, the lower die between the first body and the second body is also provided with a lifting structure which can be lifted. The top of the lifting structure is also provided with a plurality of positioning pins 4 which can be inserted into the punching hole 12 of the metal sheet 11.

[0025] Specifically, the lower die between the first body and the second body is provided with a receiving groove, and the lifting structure comprises a lifting platform 3 installed in the receiving groove and vertically sliding, and a spring 10 fixedly installed between the bottom of the lifting platform 3 and the inner bottom surface of the receiving groove. The top of the receiving groove is also provided with a surrounding plate on both sides, and the side wall of the lifting platform 3 below the surrounding plate is integrally formed with a baffle 8.

[0026] The positioning pins 4 are arranged on the top of the lifting platform 3, and the top of the positioning pins 4 is provided with a inclined groove on the side edge towards the first body direction and the second body direction, and a inclined surface is formed on both sides. By forming the inclined surface, the positioning pins 4 can be inserted into the punching hole 12 of the metal sheet 11, and when the metal sheet 11 is misaligned, the position of the subsequent metal sheet 11 can be adjusted by inserting the positioning pins 4 into the metal sheet 11. And the top surface of the lifting platform 3 outside the positioning pins 4 is also formed with a supporting surface which can be combined with the ground of the metal sheet 11, which is used to assist the support of the metal sheet 11.

[0027] In this embodiment, the upper die is also provided with a control structure for driving the lifting mechanism to keep the reverse motion of the upper die, specifically for controlling the movement of the lifting platform 3.

[0028] Specifically, the lower die on both sides of the receiving groove is also provided with a communication slot which is communicated with the bottom of the receiving groove. The control structure comprises a control rod 6 installed at the bottom of the upper die and extending into the communication slot, a connecting block 7 integrally formed at the bottom end of the control rod 6, a fixed pull ring installed at the bottom of the connecting block 7, a movable pull ring sleeved on the fixed pull ring and a pull rope 9 fixed on the movable pull ring. The bottom end of the baffle 8 is also fixedly installed with a fixed pull ring, and the movable pull ring is also sleeved on the fixed pull ring, and the free end of the pull rope 9 extends into the receiving groove through the communication slot and is wound on the movable pull ring installed at the bottom of the baffle 8 on the same side.

[0029] The utility model discloses use the cooperation of upper pressure plate 1 and lower pressure plate 2, punch, press out the convex strip, pre-bend and cut off to the metal sheet 11, form the continuous mould, produce the positioning ring of automobile accessory,

[0030] In the process of the downward pressure of upper pressure plate 1, control rod 6, connecting block 7 and pull rope 9 are synchronous with the downward pressure of upper pressure plate 1, and the lifting platform 3 has the tendency of upward movement under the influence of lower spring 10, when pull rope 9 moves down with upper pressure plate 1, the length of pull rope 9 in accommodating groove increases, the lifting platform 3 and the positioning pin 4 on the upper side rise, the positioning pin 4 enters the punch hole 12 of the metal sheet 11 that has been opened, and the positioning of the metal sheet 11 is carried out, and the metal sheet 11 that is punched is prevented from displacement between the servo roller feeder and the second body after the complete downward pressure of upper pressure plate 1.

[0031] After punching, in the process of the upward return of upper pressure plate 1, control rod 6, connecting block 7 and pull rope 9 are synchronous with the upward return of upper pressure plate 1, and the lifting platform 3 and the positioning pin 4 are pulled back to the accommodating groove, so that the positioning pin 4 is separated from the punch hole 12, and the next section of metal sheet 11 to be punched is delivered by the servo roller feeder.

[0032] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed the above-mentioned preferred embodiment, but does not limit the utility model, any person skilled in the art can make slight changes or modifications to the equivalent embodiment of equivalent change within the scope of the utility model technical scheme, but as long as it does not deviate from the utility model technical scheme content, any modification, equivalent change and modification of the above-mentioned embodiment according to the technical essence of the utility model are still within the scope of the utility model technical scheme.

Claims

1. A stamping device for positioning ring of automobile accessories, comprising a support table, a lower pressing plate arranged on the support table, and an upper pressing plate arranged above the lower pressing plate and driven to lift by a hydraulic cylinder, a bottom of the upper pressing plate is provided with an upper die, the upper die comprises a plurality of punching dies, bending dies and cutting dies arranged in front to back order, an upper part of the lower pressing plate is provided with a lower die, the lower die comprises a first table body, a second table body, a curling mechanism and a shuttle block arranged in front to back order, characterized in that, The lower die between the first base and the second base is also provided with a liftable lifting structure, the top of the lifting structure is provided with a plurality of positioning pins which can be clamped into the punching holes of the metal sheet, the upper die is provided with a control structure for driving the lifting structure to keep reverse movement with the upper die.

2. A punch device for positioning ring of automobile accessories as claimed in claim 1 wherein, The lower die between the first base and the second base is provided with a containing groove, the lifting structure includes a lifting platform which is slidingly connected in the containing groove and controlled by the control structure, and a plurality of springs which are fixed between the bottom of the lifting platform and the inner bottom surface of the containing groove, and the positioning pins are arrayed on the top of the lifting platform.

3. A punch device for positioning ring of automobile accessories as claimed in claim 2 wherein, The side of the top of the positioning pin towards the first base is provided with an inclined slot and an inclined surface.

4. A punch device for positioning ring of automobile accessories as claimed in claim 3 wherein, The side of the top of the positioning pin towards the second base is provided with an inclined slot and an inclined surface.

5. A punch device for positioning ring of automobile accessories as claimed in claim 2 wherein, The top surface of the lifting platform outside the positioning pins is formed with a supporting surface which can be attached to the bottom surface of the metal sheet.

6. A punch device for positioning ring of automobile accessories as claimed in claim 2 wherein, The top end of the containing groove is provided with a surrounding plate, and the two sides of the lifting platform below the surrounding plate are provided with baffles.

7. A punch device for positioning ring of automobile accessories as claimed in claim 6 wherein, The lower die on both sides of the containing groove is also provided with a communicating slot which is communicated with the bottom of the containing groove, the control structure includes a control rod which is fixed at the bottom of the upper die and extends into the communicating slot, and a pull rope which is fixed at the bottom end of the control rod, the free end of the pull rope extends into the containing groove through the communicating slot and is fixed with the bottom of the baffle on the same side.

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