Four-side punching die for processing control arm bushing framework

Abstract

The utility model relates to a four-side punching die for processing a bushing framework of a control arm, which comprises an upper die plate and a lower die plate, a framework sleeve seat is arranged in the middle of the upper end of the lower die plate, a demoulding plate is sleeved outside the framework sleeve seat, and a plurality of first elastic pieces connected with the demoulding plate are arranged at the bottom of the lower die plate. Four punching bases are evenly arranged at the upper end of the lower die plate around the framework sleeve base, a lower wedge block and a reset device assisting the lower wedge block are installed in each punching base, a punching cutter is installed at the end, close to the framework sleeve base, of the lower wedge block, and a matching hole corresponding to the punching cutter is formed in the side wall of the framework sleeve base. A pressing plate capable of moving up and down is installed at the lower end of the upper die plate, a second elastic piece is installed between the pressing plate and the upper die plate, two vertically-arranged ejector rods are installed at the lower end of the pressing plate in parallel, and upper wedge blocks corresponding to the lower wedge blocks one to one are arranged at the position, located on the periphery of the pressing plate, of the lower end of the upper die plate. Four small holes of the lining framework can be machined by one-time work of the die, and machining efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile control arm bushing framework processing, particularly to a four-edge punching die for control arm bushing framework processing. BACKGROUND

[0002] Suspension system is the connecting system among wheel, vehicle body and frame, including elastic element, guiding mechanism and shock absorber etc., and the automobile control arm is one of the guiding mechanism elements.

[0003] The bushing framework 19 is an important component of the automobile control arm, as shown in the figure, the bushing framework 19 is in oval ring structure, four small holes 31 are formed around the bushing framework 19. Figure 7 At present, only one small hole 31 is punched in one time, four times of punching are needed, and the bushing framework 19 is simply fixed, so it is easy to shake and appear defective products. SUMMARY

[0004] The utility model provides a four-edge punching die for control arm bushing framework processing, the die work can complete the processing of four small holes of bushing framework once, effectively improves the processing efficiency, and the automation degree is higher, can greatly reduce production cost.

[0005] The utility model discloses a four-edge punching die for control arm bushing framework processing, including upper die plate and lower die plate, the lower die plate upper end middle part is installed with the framework sleeve seat, and the framework sleeve seat is sleeved with the stripper plate, the lower die plate bottom is provided with a plurality of elastic parts no.

[0006] As a supplement to the technical scheme of the utility model, the upper die plate upper end middle part is connected with the material handle.

[0007] As a supplement to the technical scheme of the utility model, the lower die plate upper end is installed with a guide column on both sides of the framework sleeve seat, and the upper die plate lower end is installed with the sleeve that cooperates with the guide column.

[0008] As a supplement to the technical scheme of the utility model, four rectangular arrangement counterbores are arranged on the upper end of the upper die plate, a through hole is arranged in the middle of the bottom surface of each counterbores, a downward and upward sliding guide pin is installed in each counterbores, the lower end of the guide pin is connected with the stripper plate through the through hole, and four guide pins are connected with the four corners of the stripper plate respectively.

[0009] As a supplement to the technical scheme of the utility model, the reset device comprises a spring and a guide rod, a sliding groove for the back and forth sliding of the lower wedge block is arranged on the upper end of the stamping seat, a baffle for closing the sliding groove is installed on the outer side of the stamping seat, one end of the guide rod is connected with the lower wedge block, the other end of the guide rod penetrates through the baffle and is screwed with a nut, and the spring is installed between the nut and the baffle on the guide rod.

[0010] As a supplement to the technical scheme of the utility model, a gasket is installed between the nut and the spring.

[0011] As a supplement to the technical scheme of the utility model, a back block is fixedly installed between the lower wedge block and the baffle, and a notch for the guide rod to pass through is arranged on the lower part of the back block.

[0012] As a supplement to the technical scheme of the utility model, four insertion grooves are arranged on the side wall of the four sides of the framework sleeve seat, a vertical insertion block is inserted into each insertion groove, the matching hole is arranged on the outer side of the insertion block, and a blanking groove is arranged on the inner side of each insertion groove in the interior of the framework sleeve seat.

[0013] Beneficial effects: the utility model relates to a four-edge punching die for controlling arm bush framework processing, and the die can complete the processing of four small holes of the bush framework once, effectively improves the processing efficiency, is higher in automation degree, and can greatly reduce the production cost; the stripping plate for automatically stripping the bush framework is further arranged, the bush framework is conveniently taken down, and the operation is simplified. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the structural schematic diagram of the lower die plate;

[0016] Figure 3 It is the structural schematic diagram of the upper die plate;

[0017] Figure 4 It is the structural schematic diagram of the stripper plate, the framework sleeve seat and the elastic piece one;

[0018] Figure 5It is the structure schematic view of the framework sleeve seat of the utility model.

[0019] Figure 6 It is the structure schematic view of the framework sleeve seat of the utility model.

[0020] Figure 7 It is the structure schematic view of the framework sleeve seat of the utility model.

[0021] Fig. shows: 1, upper die plate, 2, lower die plate, 3, stripper plate, 4, stamping seat, 5, lower wedge block, 6, spring, 7, washer, 8, guide rod, 9, nut, 10, abutting block, 11, upper wedge block, 12, pressing plate, 13, guide pin, 14, elastic member two, 15, ejector rod, 16, handle, 17, punching knife, 18, framework sleeve seat, 19, bushing framework, 20, sleeve, 21, guide column, 22, counterbore, 23, matching hole, 24, insert block, 25, sliding slot, 26, baffle, 27, elastic member one, 28, fixed plate, 29, insertion slot, 30, blanking groove, 31, small hole. DETAILED DESCRIPTION

[0022] The utility model is further described below in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0023] The embodiment of the utility model relates to a four-edge punching die for controlling arm bushing framework processing, such as Figures 1-7 As shown, it comprises upper die plate 1 and lower die plate 2, the lower die plate 2 upper end middle part is installed with framework sleeve seat 18, the framework sleeve seat 18 is sleeved with stripper plate 3, the lower die plate 2 bottom is provided with multiple elastic member ones 27 connected with stripper plate 3, the lower die plate 2 upper end is evenly arranged with four stamping seats 4 around framework sleeve seat 18, each stamping seat 4 is installed with a lower wedge block 5 sliding back and forth and reset device assisting lower wedge block 5, the lower wedge block 5 is fixed with punching knife 17 through fixed plate 28 at one end close to framework sleeve seat 18, the sidewall of framework sleeve seat 18 is provided with matching hole 23 corresponding with punching knife 17, the upper die plate 1 lower end is installed with the pressing plate 12 that can be up and down, and the elastic member two 14 is installed between the pressing plate 12 and upper die plate 1, the pressing plate 12 lower end is installed with two vertical top rods 15 side by side, the upper die plate 1 lower end is provided with upper wedge block 11 corresponding with lower wedge block 5 around pressing plate 12.

[0024] First, the bushing skeleton 19 is set on the skeleton sleeve seat 18, and the bushing skeleton 19 is limited by the side wall of the skeleton sleeve seat 18, and the lower end of the bushing skeleton 19 is supported by the stripper plate 3, and the upper die plate 1 is fixed with the punch, then the punch is controlled to move downward with the upper die plate 1, the pressing plate 12 and the upper wedge block 11 move downward together with the upper die plate 1, the two top rods 15 at the lower end of the pressing plate 12 press the two sides of the stripper plate 3 downward together, the pressing plate 12 presses the bushing skeleton 19 downward until the bushing skeleton 19 is entirely sleeved on the bushing skeleton 19 outside; with the continuous downward pressing of the upper wedge block 11, the inclined surface at the lower end of the upper wedge block 11 extrudes the inclined surface of the lower wedge block 5, forcing the four punching knives 17 to move relatively close to each other, and the punching knife 17 at one end is cut and inserted into the corresponding position of the hole 23 on the side wall of the skeleton sleeve seat 18, completing the punching work of the product.

[0025] After processing, the upper die plate 1 moves upward, the reset device forces the punching knife 17 and the lower wedge block 5 to reset, the four punching knives 17 move away from each other, and the elastic member one 27 lifts the stripper plate 3 upward, so that the bushing skeleton 19 sleeved on the outside of the skeleton sleeve seat 18 also moves upward, which facilitates the removal of the bushing skeleton 19.

[0026] The elastic member one 27 and the elastic member two 14 are preferably gas springs, and ordinary springs can be used.

[0027] The upper end of the upper die plate 1 is connected with a material handle 16, and the material handle 16 is connected with the punch.

[0028] The upper end of the lower die plate 2 is provided with a guide column 21 on both sides of the skeleton sleeve seat 18, and the lower end of the upper die plate 1 is provided with a sleeve 20, which is matched with the guide column 21 to ensure the accuracy of the upper and lower cooperation of the upper die plate 1 and the lower die plate 2.

[0029] The upper end of the upper die plate 1 is provided with four rectangularly arranged counterbores 22, a through hole is formed in the middle of the bottom surface of each counterbore 22, and a guide pin 13 sliding up and down is arranged in each counterbore 22, the lower end of the guide pin 13 is threadedly connected with the stripper plate 3 through the through hole, and the four guide pins 13 are respectively connected with the four corners of the stripper plate 3; the cap part of the guide pin 13 is located in the counterbore 22, and the rod part of the guide pin 13 is matched with the through hole of the upper die plate 1 to realize the stable up and down movement of the stripper plate 3.

[0030] The reset device comprises a spring 6 and a guide rod 8, the punch seat 4 is provided with a sliding groove 25 for the back-and-forth sliding of the lower wedge block 5 at the upper end, a baffle 26 is installed outside the punch seat 4 to seal the sliding groove 25, one end of the guide rod 8 is connected with the lower wedge block 5, the other end of the guide rod 8 penetrates through the baffle 26 and is screwed with a nut 9, and the spring 6 is installed on the guide rod 8 between the nut 9 and the baffle 26.

[0031] The force for resetting the lower wedge block 5 is provided by the spring 6, the position of the nut 9 can be adjusted to adjust the force for resetting the lower wedge block 5, and the gasket 7 is installed between the nut 9 and the spring 6 to avoid the direct contact between the spring 6 and the nut 9 and reduce the abrasion of the nut 9 and the spring 6.

[0032] The fixed block 10 is fixedly installed between the lower wedge block 5 and the baffle 26, and the fixed block 10 is provided with a notch for the guide rod 8 to pass through, and the fixed block 10 can avoid the backward movement of the upper wedge block 11 when the upper wedge block 11 is pressed and matched with the lower wedge block 5.

[0033] The side wall of the framework sleeve 18 is provided with four insertion grooves 29, and a clamping block 24 is vertically inserted into each insertion groove 29, the matching hole 23 is arranged on the outer side of the clamping block 24, the inner side of each insertion groove 29 in the framework sleeve 18 is provided with a material falling groove 30, and the matching hole 23 is in communication with the material falling groove 30; the waste left in the matching hole 23 can fall into the material falling groove 30 along with the movement of the punching knife 17, and the waste is convenient to clean up in the later period.

[0034] In the description of the utility model, it is understood that the orientation words such as '' front, back, upper, lower, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or position relation is usually based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the condition without making opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation to the protection scope of the utility model, the orientation words '' inner, outer '' refer to the inner and outer of the contour of each component itself.

[0035] For purposes of the description hereinafter, spatial relations terms, for example, "above", "below", "upper", "lower", and the like, can be used to describe a relationship of one element, or component to another element, or component, as illustrated in the figures. It is to be understood that the spatial terms are intended to encompass different orientations of the device in use or operation, for example, dependency of a first element on a second element, or dependency of a first component on a second component, in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" other elements or "below" other elements will then be oriented "below" other elements or "above" other elements. Accordingly, the exemplary term "above" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly.

[0036] In addition, it should be noted that the use of "first", "second", and the like words of resemblance to limit parts, only for the convenience of the corresponding parts are distinguished, such as no other declaration, the above words have no special meaning, therefore can not be understood as the limitation of the scope of protection of the utility model.

[0037] The four-edge counter punch die for controlling arm bushing framework processing provided by the present application is described in detail above, and the principles and implementation modes of the present application are described by applying specific examples in this paper. The above example is only used to help understand the method and core idea of the present application; at the same time, for the general technical personnel in the art, according to the idea of the present application, the specific implementation mode and application range will be changed, and the above description should not be understood as the limitation of the present application.

Claims

1. A four-sided punching die for machining a control arm bushing frame, comprising an upper die plate (1) and a lower die plate (2), characterized in that: A skeleton sleeve (18) is installed at the middle of the upper end of the lower template (2). A release template (3) is fitted over the skeleton sleeve (18). Multiple elastic elements (27) connected to the release template (3) are provided at the bottom of the lower template (2). Four stamping seats (4) are evenly arranged around the skeleton sleeve (18) at the upper end of the lower template (2). Each stamping seat (4) is equipped with a sliding lower wedge (5) and a reset device for the lower wedge (5). The lower wedge (5) is close to the skeleton sleeve (18). A punching cutter (17) is installed at the end. The side wall of the skeleton sleeve (18) is provided with a mating hole (23) corresponding to the punching cutter (17). A pressure plate (12) that can move up and down is installed at the lower end of the upper template (1). An elastic element (14) is installed between the pressure plate (12) and the upper template (1). Two vertically arranged top rods (15) are installed side by side at the lower end of the pressure plate (12). Upper wedges (11) that correspond one-to-one with the lower wedges (5) are provided around the lower end of the upper template (1) on the pressure plate (12).

2. The four-sided punching die for machining the control arm bushing skeleton according to claim 1, characterized in that: The upper template (1) is connected to a material handle (16) at the middle of its upper end.

3. A four-sided punching die for machining a control arm bushing frame according to claim 1, characterized in that: The upper end of the lower template (2) is equipped with a guide post (21) on each side of the skeleton sleeve (18), and the lower end of the upper template (1) is equipped with a sleeve (20) that cooperates with the guide post (21).

4. A four-sided punching die for machining a control arm bushing frame according to claim 1, characterized in that: The upper template (1) has four rectangular countersunk holes (22) at its upper end. Each countersunk hole (22) has a through hole in the middle of its bottom surface. Each countersunk hole (22) has a guide pin (13) that slides up and down. The lower end of the guide pin (13) passes through the through hole and is threaded to the stripping template (3). The four guide pins (13) are respectively connected to the four corners of the stripping template (3).

5. A four-sided punching die for machining a control arm bushing skeleton according to claim 1, characterized in that: The reset device includes a spring (6) and a guide rod (8). The upper end of the stamping seat (4) is provided with a groove (25) for the lower wedge block (5) to slide back and forth. A baffle (26) is installed on the outside of the stamping seat (4) to seal the groove (25). One end of the guide rod (8) is connected to the lower wedge block (5), and the other end of the guide rod (8) passes through the baffle (26) and is screwed with a nut (9). A spring (6) is installed on the guide rod (8) between the nut (9) and the baffle (26).

6. A four-sided punching die for machining a control arm bushing skeleton according to claim 5, characterized in that: A washer (7) is installed between the nut (9) and the spring (6).

7. A four-sided punching die for machining a control arm bushing skeleton according to claim 5, characterized in that: The groove (25) is located between the lower wedge (5) and the baffle (26) and a support block (10) is fixedly installed. The lower part of the support block (10) has a notch for the guide rod (8) to pass through.

8. A four-sided punching die for machining a control arm bushing frame according to claim 1, characterized in that: The skeleton sleeve (18) has four slots (29) on its side walls. A piece (24) is vertically inserted into each slot (29). The mating hole (23) is located on the outside of the piece (24). The skeleton sleeve (18) has a material drop groove (30) inside each slot (29). The mating hole (23) is connected to the material drop groove (30).

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