CN212793845U - Automobile swing arm press-fitting tool for opposite-flanging punching weldment structure - Google Patents

Abstract

The utility model discloses a car swing arm pressure equipment frock to hole flanging punching weldment structure, top board and holding down plate including the liftable, the hydraulic press drive is passed through in the lift of top board, install the direction subassembly between top board and the holding down plate, the up end mid-mounting of holding down plate has supporting component, the opening is installed to one side of supporting component and is guaranteed the subassembly, the bottom face mid-mounting of top board has the subassembly of impressing, the subassembly of impressing is including relative motion's connecting block and blank pressing piece, the direction connecting axle at passing blank pressing piece middle part is still installed at the middle part of connecting block, the bush pressure head is installed to the bottom portion of direction connecting axle. The utility model has the advantages of reasonable design, whole frock structure can press from both sides the tight fixed to the punching and welding spare body for at the bush in-process of impressing, punching and welding spare body does not take place to warp, guarantees the intact of finished product outward appearance, promotes the quality of product.

Description

Automobile swing arm press-fitting tool for opposite-flanging punching weldment structure

The technical field is as follows:

the utility model relates to a bush equipment field mainly relates to a car swing arm pressure equipment frock to hole flanging weldment structure.

Background art:

due to the characteristics of low manufacturing cost and light weight, the swing arm pull rod of the stamping and welding part structure is widely applied to a rear suspension module of an automobile. However, due to the defects of the tooling in the production process, the problems of local collapse, flanging of the blank edge and the like of the body of the punching and welding part often occur in the bushing pressing-in process, and the appearance and the performance of the product are affected.

For solving the above-mentioned problem that appears, need a frock for at the bush in-process of impressing, the impulse welding spare body does not take place to warp, guarantees the intact of finished product outward appearance, promotes the quality of product.

The utility model has the following contents:

the utility model discloses the purpose is exactly in order to compensate prior art's defect, provides a car swing arm pressure equipment frock to hole flanging punching weldment structure, and the process of impressing at the bush does not take place to warp, has guaranteed off-the-shelf intact.

The utility model discloses a realize through following technical scheme:

the utility model provides a car swing arm pressure equipment frock to hole flanging weldment structure, is including the top board and the holding down plate of liftable, hydraulic press drive is passed through in the lift of top board, install the direction subassembly between top board and the holding down plate, the up end mid-mounting of holding down plate has supporting component, the opening assurance subassembly is installed to one side of supporting component, the bottom face mid-mounting of top board has the subassembly of impressing, the subassembly of impressing is including relative motion's connecting block and blank holder, the direction connecting axle at passing blank holder middle part is still installed at the middle part of connecting block, the bush pressure head is installed to the bottom portion of direction connecting axle.

The guide assembly comprises a guide pillar and a guide limiting sleeve which are mutually matched in a guiding mode, the guide pillar is fixedly installed on the bottom end face of the upper pressing plate, and the guide limiting sleeve is installed on the upper end face of the lower pressing plate.

The supporting component comprises a hollow supporting seat, a mold spring is clamped in the supporting seat, a guide sleeve with elastic guide is clamped at the upper end of the supporting seat, and a positioning pin is arranged at the upper end of the guide sleeve.

The bottom of the supporting seat is provided with a convex fixed step, and the fixed step is fixedly installed on the lower pressing plate through a bolt.

The opening guarantee subassembly including the cylinder support, install the cylinder connecting block on the cylinder support, install the horizontal actuating cylinder that drives on the cylinder connecting block, the piston rod that drives actuating cylinder stretches out the end and is connected with the slider.

The air cylinder support is provided with a guide seat, and a guide hole for guiding and moving the sliding block is formed in the guide seat.

The connecting block and the blank pressing block are guided by a guide pin, and a nitrogen spring is arranged between the connecting block and the blank pressing block.

The principle is as follows: the workpiece can be supported through the supporting component, the component is guaranteed through the opening on one side of the workpiece, the opening can be supported and fixed, the pressing-in component is matched correspondingly, the nitrogen spring and the air cylinder are used as a force source in the pressing-in process, the punching-welding part body is clamped and fixed, the punching-welding part body is not deformed in the pressing-in process of the bushing, the appearance of a finished product is guaranteed, and the quality of the product is improved. And ejecting the finished workpiece after press fitting by the die spring through the spring in the supporting assembly and the nitrogen spring pressed into the assembly, and taking out the workpiece.

The utility model has the advantages that:

the utility model has the advantages of reasonable design, whole frock structure can press from both sides the tight fixed to the punching and welding spare body for at the bush in-process of impressing, punching and welding spare body does not take place to warp, guarantees the intact of finished product outward appearance, promotes the quality of product.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the press-fitting device of the present invention.

The specific implementation mode is as follows:

see the drawings.

A car swing arm press-fitting tool of a counter-hole punching and welding piece structure comprises a liftable upper pressing plate 1 and a liftable lower pressing plate 2, wherein the lifting of the upper pressing plate 1 is driven by a hydraulic machine, a guide assembly is arranged between the upper pressing plate 1 and the lower pressing plate 2, the guide assembly comprises a guide pillar 10 and a guide limiting sleeve 11 which are mutually matched in a guide way, the guide pillar 10 is fixedly arranged on the bottom end surface of the upper pressing plate 1, the guide limiting sleeve 11 is arranged on the upper end surface of the lower pressing plate 2, a supporting assembly 3 is arranged in the middle of the upper end surface of the lower pressing plate 2, the supporting assembly 3 comprises a hollow supporting seat 3-1, a mould spring 3-2 is clamped in the supporting seat 3-1, an elastic guide sleeve 3-3 is clamped at the upper end of the supporting seat 3-1, and a positioning pin 3-4 is arranged at the;

an opening guarantee component 4 is installed on one side of the supporting component 3, the opening guarantee component 4 comprises a cylinder support 4-1, a cylinder connecting block 4-2 is installed on the cylinder support 4-1, a transversely-arranged driving cylinder 4-3 is installed on the cylinder connecting block 4-2, and the extending end of a piston rod of the driving cylinder 4-3 is connected with a sliding block 4-4;

the middle of the bottom end face of the upper pressing plate 1 is provided with a pressing-in assembly 5, the pressing-in assembly 5 comprises a connecting block 6 and a pressing block 7 which can move relatively, the middle of the connecting block 6 is also provided with a guide connecting shaft 8 penetrating through the middle of the pressing block, and the bottom end part of the guide connecting shaft 8 is provided with a lining pressing head 9.

Furthermore, the bottom end of the supporting seat 3-1 is provided with a protruding fixed step 3-5, and the fixed step 3-5 is fixedly arranged on the lower pressure plate 2 through a bolt.

Further, a guide seat 4-5 is arranged on the cylinder support 4-1, and a guide hole for guiding the sliding block 4-4 to move is formed in the guide seat 4-5.

Further, a nitrogen spring 13 is arranged between the connecting block 6 and the edge pressing block 7 and guided by a guide pin 12.

In the above structure:

the pressing-in assembly comprises a connecting block and a blank pressing block which can move relatively, a lining pressure head and two nitrogen springs are installed on the lower end face of the connecting block, and two guide pins are installed on the upper end face of the blank pressing block.

The upper end surface of the lower pressing plate is respectively provided with an opening guarantee component, a supporting component and two guide limiting sleeves, the opening guarantee component is assembled on the lower pressing plate through a cylinder support, and the upper end surface of the cylinder support is provided with a cylinder connecting block; the left end of the cylinder connecting block is provided with a thin cylinder, and the right end of the cylinder connecting block is provided with a sliding block guide seat; the sliding block is connected with the rod part of the thin cylinder and matched with the sliding block guide seat, so that the linear motion is ensured.

The supporting component is assembled on the lower pressing plate through a supporting seat, and the supporting seat is internally provided with a positioning pin and a die spring.

When the press fitting device works, the hydraulic press is started, the tool is in an open state, the punching and welding part body and the bushing are sequentially placed into the tool, the switch is started, the cylinder pushes the sliding block into the opening position of the punching and welding part body, the upper pressing plate moves downwards, the guide pillar firstly enters the guide limiting sleeve, then the edge pressing block is in contact with the punching and welding part, the punching and welding part is pressed by the nitrogen spring to be tightly attached to the sliding block, finally, the bushing pressing head is in contact with the bushing and presses the bushing downwards into the punching and welding part, the sliding block is withdrawn after the pressing of the lower end face of the upper pressing plate and the upper end face of the guide limiting sleeve is completed, the upper die base moves upwards, and a finished workpiece after press fitting is ejected by the die spring.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a car swing arm pressure equipment frock to hole flanging weldment structure, is including top board (1) and holding down plate (2) of liftable, the lift of top board (1) passes through hydraulic press drive, install direction subassembly, its characterized in that between top board (1) and holding down plate (2): the utility model discloses a pressure-bearing support plate, including holding down plate (2), the up end mid-mounting of holding down plate (2) has supporting component (3), the opening is installed to one side of supporting component (3) and is guaranteed subassembly (4), the bottom face mid-mounting of top board (1) has subassembly (5) of impressing, subassembly (5) of impressing is including connecting block (6) and blank pressing piece (7) of relative motion, the middle part of connecting block (6) still installs direction connecting axle (8) of passing blank pressing piece middle part, bush pressure head (9) are installed to the bottom portion of direction connecting axle (8).

2. The automobile swing arm press-fitting tool for the upset hole punching weldment structure according to claim 1, wherein the tool comprises: the guide assembly comprises a guide post (10) and a guide limiting sleeve (11) which are mutually guided and matched, the guide post (10) is fixedly installed on the bottom end face of the upper pressing plate (1), and the guide limiting sleeve (11) is installed on the upper end face of the lower pressing plate (2).

3. The automobile swing arm press-fitting tool for the upset hole punching weldment structure according to claim 1, wherein the tool comprises: the supporting component (3) comprises a hollow supporting seat (3-1), a mold spring (3-2) is clamped in the supporting seat (3-1), a guide sleeve (3-3) with elastic guide is clamped at the upper end of the supporting seat (3-1), and a positioning pin (3-4) is arranged at the upper end of the guide sleeve (3-3).

4. The automobile swing arm press-fitting tool for the upset hole punching weldment structure according to claim 3, wherein the tool comprises: the bottom end of the supporting seat (3-1) is provided with a protruding fixed step (3-5), and the fixed step (3-5) is fixedly arranged on the lower pressing plate (2) through a bolt.

5. The automobile swing arm press-fitting tool for the upset hole punching weldment structure according to claim 1, wherein the tool comprises: the opening guarantee assembly (4) comprises a cylinder support (4-1), a cylinder connecting block (4-2) is installed on the cylinder support (4-1), a transverse driving cylinder (4-3) is installed on the cylinder connecting block (4-2), and the extending end of a piston rod of the driving cylinder (4-3) is connected with a sliding block (4-4).

6. The automobile swing arm press-fitting tool for the upset hole punching weldment structure according to claim 5, wherein the tool comprises: the air cylinder support (4-1) is provided with a guide seat (4-5), and a guide hole for guiding the sliding block (4-4) to move is formed in the guide seat (4-5).

7. The automobile swing arm press-fitting tool for the upset hole punching weldment structure according to claim 1, wherein the tool comprises: the connecting block (6) and the edge pressing block (7) are guided by a guide pin (12), and a nitrogen spring (13) is arranged between the connecting block and the edge pressing block.

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