CN219378639U

CN219378639U - Punching device for automobile hinge production

Info

Publication number: CN219378639U
Application number: CN202320134183.0U
Authority: CN
Inventors: 龙国杰; 李伟雄; 刘勇; 钟立锋
Original assignee: Liuzhou Shunling Auto Parts Co ltd
Current assignee: Liuzhou Shunling Auto Parts Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-21
Anticipated expiration: 2033-02-07

Abstract

The utility model relates to the field of punching of automobile parts, and discloses a punching device for automobile hinge production, which comprises a lower die holder, wherein a lower die and a lower guide rod are arranged on the lower die holder, an upper die holder a is slidably arranged on the lower guide rod and driven by a linear unit to move along the guiding direction of the lower guide rod, an upper guide rod vertically arranged is arranged on the upper die holder a, an upper die holder b is slidably arranged on the upper guide rod, an installation rod is arranged on the lower end face of the upper die holder b, a punching head is detachably arranged at the bottom of the installation rod, and a pressing component for actively pressing a plate in the punching process is arranged on the lower end face of the upper die holder a.

Description

Punching device for automobile hinge production

Technical Field

The utility model relates to the field of punching, in particular to the field of punching of automobile parts, and particularly relates to a punching device for automobile hinge production.

Background

The automobile hinge is a mechanical device used for connecting two solids and allowing the two solids to rotate relatively, for example, the automobile hinge is used for connecting an automobile door and an automobile body, punching is needed through a punching device during production, the applicant searches to find a comparison document with an authorized publication number of CN209918673U, the comparison document is manually screwed with a threaded rod to enable the threaded rod to descend, and the automobile hinge plate is pressed and fixed through a gasket, so that the plate is prevented from shifting during punching to cause punching errors.

Disclosure of Invention

In order to solve the problems mentioned in the background above, the present utility model provides a punching device for producing automobile hinges.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows.

The utility model provides a punching device is used in automobile hinge production, including the die holder, be provided with bed die and lower guide arm on the die holder, slidable mounting has upper die base a and upper die base a is driven by sharp unit and takes place to remove along the direction of guiding of lower guide arm on the lower guide arm, be provided with the upper guide arm that is vertical arrangement on the upper die base a, slidable mounting has upper die base b on the upper guide arm, the lower terminal surface of upper die base b is provided with the installation pole, the bottom demountable installation of installation pole has the punching press head, the lower terminal surface of upper die base a is provided with the pressure component that is used for initiatively holding panel in the punching press process.

Further, the pressing component comprises a fixed seat arranged on the lower end face of the upper die holder a, a limit ring is arranged at the lower end opening of the fixed seat, the upper end is closed, a sliding seat is arranged in the sliding seat in a sliding manner, a spring arranged between the closed end and the sliding seat is further arranged in the fixed seat, the lower end face of the sliding seat extends to form a pressing body extending out of the fixed seat, the bottom end height of the punching head is higher than that of the pressing body in an initial state, and an avoidance hole for avoiding the installation rod is formed in the upper die holder a.

Further, the pressing body is U-shaped, and the mounting rod is located in the U-shaped of the pressing body.

Further, a hydraulic rod for driving the upper die holder b to move along the guiding direction of the upper guide rod is arranged on the lower die holder.

Further, the straight line unit comprises a screw rod which is vertically arranged and a lug which is arranged on the upper die holder a, the screw rod is in threaded connection with the lug, and the input end of the screw rod is in power connection with a motor.

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

in this application, place the panel back on the bed die, motor and hydraulic stem start simultaneously, the former drives upper die base a and presses and hold the component and move down together, realize holding the pressure of panel, the latter drives upper die base b and punching press head and move down together, realize punching a hole to panel, because under the initial condition, the bottom height of punching press head is higher than the bottom height of holding the body, so the holding body presses the panel in advance, on the one hand, press the holding and is gone on in panel punching process, press promptly and hold and go on simultaneously with the punching press, do not influence punching efficiency, on the other hand, press the holding and be motor driven, realize automatic press holding, do not need workman's manual operation, reduce the amount of labour.

Further, according to the difference of material, thickness etc. of panel, the distance that adjustment upper die base a moved down is to accomplishing when holding, and the compression volume of spring is adjusted promptly, and then realizes the purpose of the size of the pressure holding force that the adjustment was applyed to panel, makes to hold stably, can not transition to hold, leaves the impression on panel.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an upper die holder a, a pressing member and a linear unit;

FIG. 3 is a front view of the upper die holders a, b, the holding members and the punch heads;

fig. 4 is a schematic view of the hold-down member.

The reference numerals in the drawings are:

1. a lower die holder; 2. a lower die; 3. a lower guide rod; 4. an upper die holder a; 5. an upper guide rod; 6. an upper die holder b; 7. a mounting rod; 8. punching heads; 9. a motor; 10. a screw rod; 11. a pressing member; 111. a fixing seat; 112. a slide; 113. a spring; 114. a limiting ring; 115. and pressing the holding body.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1-4, a punching device for automobile hinge production comprises a lower die holder 1, wherein a lower die 2 and lower guide rods 3 are arranged on the lower die holder 1, the lower guide rods 3 are vertically arranged, the positions, close to four right angles, of the lower die holder 1 are respectively provided with the lower guide rods 3, an upper die holder a4 is slidably arranged between the four lower guide rods 3, the upper die holder a4 is driven by a linear unit to move along the guiding direction of the lower guide rods 3, the linear unit comprises a screw rod 10 vertically arranged and lugs arranged on the upper die holder a4, the screw rod 10 is in threaded connection with the lugs, and the screw rod 10 is driven by a motor 9 to rotate so as to enable the upper die holder a4 to move along the guiding direction of the lower guide rods 3.

The upper end face of the upper die holder a4 is provided with upper guide rods 5 which are vertically arranged at positions close to four right angles, an upper die holder b6 is slidably arranged between the four upper guide rods 5, the lower end face of the upper die holder b6 is provided with a mounting rod 7 which is vertically arranged, a stamping head 8, such as a threaded mounting mode, is detachably arranged at the bottom of the mounting rod 7, and an avoidance hole for avoiding the mounting rod 7 is further formed in the upper die holder a 4.

The upper die holder b6 is driven by the hydraulic rod to move along the guiding direction of the upper guide rod 5, the upper die holder b6 moves together with the mounting rod 7 and the punching head 8 to punch a plate placed on the lower die 2, further, as the lower end face of the upper die holder a4 is provided with a pressing component 11 for actively pressing the plate in the punching process, in order to prevent the hydraulic rod from driving the punching head 8 to punch a hole, the upper die holder a4 is subjected to a reaction force, so that the pressing becomes loose or the pressing transition hurts the plate, the hydraulic rod can be arranged on the lower die holder 1, and the upper die holder a4 is not subjected to a force except a motor screw in the punching process, so that the pressing is not influenced.

As shown in fig. 2-4, the pressing member 11 includes a fixed seat 111 disposed on a lower end surface of the upper die holder a4, a sliding seat 112 is disposed at an opening at a lower end and a closing at an upper end of the fixed seat 111, and a limiting ring 114 is disposed at a lower opening end of the fixed seat 111 to prevent the sliding seat 112 from being separated from the fixed seat 111, a spring 113 disposed between the closing end and the sliding seat 112 is further disposed in the fixed seat 111, a pressing body 115 extending downward from the fixed seat 111 is disposed at a lower end surface of the sliding seat 112, and the pressing body 115 is used for pressing a plate placed on the lower die 2.

Further, the pressing body 115 is in a U shape, and the mounting rod 7 is located inside the U shape of the pressing body 115, which is in the meaning that the periphery of the position to be punched of the plate is pressed by three sides of the pressing body 115, and in addition, the part corresponding to the U-shaped opening is used for avoiding the replacement of the punching head 8 by a worker, so that the pressing is more stable and the replacement of the punching head 8 is not affected.

The working principle of the utility model is as follows:

firstly, a plate is placed on a lower die 2, then, a motor 9 and a hydraulic rod are started, the motor drives an upper die holder a4 to move downwards together with a pressing member 11 to press the plate, the motor drives an upper die holder b6 to move downwards together with a punching head 8 to punch the plate, and the pressing body 115 presses the plate in a first step because the bottom end of the punching head 8 is higher than the bottom end of the pressing body 115 in an initial state, on one hand, the pressing is performed in the plate punching process, namely, the pressing and the punching are performed simultaneously, the punching efficiency is not affected, on the other hand, the pressing is driven by the motor 9, the automatic pressing is realized, manual operation of workers is not needed, and the labor is reduced.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims

1. The utility model provides a punching device is used in automobile hinge production, includes die holder (1), is provided with bed die (2) and lower guide arm (3) on die holder (1), its characterized in that: the upper die holder a (4) is slidably mounted on the lower guide rod (3), the upper die holder a (4) is driven by the linear unit to move along the guiding direction of the lower guide rod (3), an upper guide rod (5) which is vertically arranged is arranged on the upper die holder a (4), an upper die holder b (6) is slidably mounted on the upper guide rod (5), an installation rod (7) is arranged on the lower end face of the upper die holder b (6), a stamping head (8) is detachably mounted at the bottom of the installation rod (7), and a pressing component (11) for actively pressing plates in the stamping process is arranged on the lower end face of the upper die holder a (4).

2. The punching device for automobile hinge production according to claim 1, wherein: the pressing component (11) comprises a fixed seat (111) arranged on the lower end face of the upper die holder a (4), a limiting ring (114) is arranged at the lower end opening of the fixed seat (111), a sliding seat (112) is arranged at the upper end of the fixed seat in a sealing manner and in a sliding manner, a spring (113) arranged between the closed end and the sliding seat (112) is further arranged in the fixed seat (111), a pressing body (115) extending out of the fixed seat (111) extends out of the lower end face of the sliding seat (112), and in an initial state, the bottom end height of the punching head (8) is higher than the bottom end height of the pressing body (115), and an avoidance hole for avoiding the installation rod (7) is formed in the upper die holder a (4).

3. The punching device for automobile hinge production according to claim 2, characterized in that: the pressing body (115) is U-shaped, and the mounting rod (7) is positioned in the U-shaped inside of the pressing body (115).

4. The punching device for automobile hinge production according to claim 2, characterized in that: the hydraulic rod for driving the upper die holder b (6) to move along the guiding direction of the upper guide rod (5) is arranged on the lower die holder (1).

5. The punching device for automobile hinge production according to claim 1, wherein: the straight line unit comprises a screw rod (10) which is vertically arranged and a lug which is arranged on the upper die holder a (4), the screw rod (10) is in threaded connection with the lug, and the input end of the screw rod (10) is in power connection with a motor (9).