CN201143618Y - A sub-frame assembly press-fitting equipment - Google Patents

Abstract

The utility model relates to a subframe assembly press mounting equipment, which comprises a base(10), a pressure cylinder mounting rack(1) which is fixed on the base(10), a pressure cylinder (2) which is fixed on the pressure cylinder mounting rack(1), an upper pressure head(3) which is fixed on the piston rod of the pressure cylinder(2) and a support frame (4) which is arranged at the lower part of the upper pressure head(3); wherein, the support frame (4) can be slidingly connected with the base(10). By adopting the structure of the utility model, the support frame can be pushed away from just below the upper pressure head when disassembling the subframe to lead the subframe to a safe zone, thus reducing the operation risk and assuring the production safety.

Description

A sub-frame assembly press-fitting equipment

technical field

The utility model relates to an automobile production equipment, in particular to a press-fitting equipment for an auxiliary frame assembly.

Background technique

Subframe assembly press-fitting equipment is an important equipment for the production of automobile subframe assemblies. The structure of traditional press-fitting equipment is shown in Figure 1: it consists of a pressure cylinder mounting frame 1, a pressure cylinder 2, an upper pressure head 3, and a support frame 4. The pressure cylinder mounting frame 1 is fixed on the base, and the pressure cylinder 2 is fixed on the pressure On the cylinder mounting frame 1 , the upper pressing head 3 is fixed on the piston rod of the pressure cylinder 2 , and the support frame 4 is fixed on the base and is located below the upper pressing head 3 . During work, people carry the vehicle frame and put it on the support frame 4, and then drive the upper pressure head 4 through the pressure cylinder 2 to press the bushing into the mounting hole on the sub-frame.

It can be seen from the mechanism and working principle of the above-mentioned press-fitting equipment that this kind of press-fitting equipment has the following disadvantages: the concentricity between the bushing and the mounting hole of the frame cannot be guaranteed during press-fitting, and if the frame is placed unbalanced, it will The scrap rate is very high, and the quality of the sub-frame produced is unstable; the sub-frame is carried by the workers during work, which is easy to make the workers tired and the production efficiency is very low; To the upper pressure head, such an operation is very dangerous; the quality requirements for employees are relatively high.

Utility model content

The technical problem to be solved by the utility model is to provide a sub-frame assembly press-fitting equipment, the sub-frame is not directly under the upper pressing head during loading and unloading, which can ensure production safety.

In order to solve the above-mentioned technical problems, a sub-frame assembly press-fitting device of the present invention includes a base, a pressure cylinder mounting frame fixed on the base, a pressure cylinder fixed on the pressure cylinder mounting frame, a pressure cylinder fixed on the The upper pressure head on the piston rod of the pressure cylinder and the support frame located below the upper pressure head; wherein, the support frame is slidably connected to the base.

As a further improvement of the present utility model, wherein, the support frame can be driven by a linear actuator provided on the base to slide in a direction perpendicular to the piston rod of the pressure cylinder.

As a further improvement of the present utility model, wherein the linear actuator is driven by a push-pull cylinder.

As a further improvement of the present utility model, a guide rail for guiding the sliding of the support frame is fixed on the base.

As a further improvement of the utility model, wherein, the number and positions of the pressure cylinder mounting brackets correspond to the number and positions of the mounting holes on the sub-frame.

As a further improvement of the present utility model, wherein, the supporting frame is fixed with a lower pressing head corresponding to the upper pressing head.

As a further improvement of the utility model, wherein, the pressing head can elastically support the bottom end surface of the mounting hole on the sub-frame.

As a further improvement of the present utility model, wherein, the lower pressure head includes a support cylinder, a support column, a compression spring, and a tray; the support cylinder is vertically fixed on the support frame; the support column is inserted into the support cylinder and forms a A downward step; a flange protrudes from the inner wall of the support cylinder adjacent to the bottom end; the compression spring is sleeved on the support column, one end of which is against the step, and the other end is against the flange; the tray is fixed on the support the top of the column.

As a further improvement of the utility model, wherein, the bottom end of the support column protrudes from the flange and is screwed with a nut; the nut can be locked on the flange.

As a further improvement of the present invention, there are two supporting frames arranged side by side along the sliding direction thereof.

Compared with the prior art, the utility model, because the support frame is slidably connected to the base, therefore, when loading and unloading the sub-frame, the support frame can be pushed away from directly below the upper pressure head, so that the sub-frame is in a safe area , reduce the risk of operation and ensure production safety. The number and position of the pressure cylinder mounting frames fixed on the base correspond to the number and positions of the mounting holes on the subframe, and a pressure cylinder is installed on each pressure cylinder mounting frame so that the upper part of the piston rod of the pressure cylinder The pressing block corresponds to the mounting hole on the subframe, so that after one positioning of the subframe, as many bushes as possible can be press-fitted to improve work efficiency. The support frame is provided with a lower pressure head that can elastically support the bottom end surface of the mounting hole on the sub-frame, effectively preventing the problem that the bushing cannot be accurately pressed due to the unbalanced placement of the sub-frame during press-fitting, and improving the authenticity rate . Two supporting frames are arranged side by side along the sliding direction, through which the subframe can be loaded and unloaded while the bushing is being pressed, thereby further improving the work efficiency.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.

Fig. 1 is a three-dimensional structural schematic diagram of an existing press-fitting equipment for a sub-frame assembly.

Fig. 2 is a three-dimensional structural schematic diagram of a sub-frame assembly press-fitting device of the present invention.

Fig. 3 is a three-dimensional structural schematic diagram of a support mechanism of a sub-frame assembly press-fitting device of the present invention.

Detailed ways

Please refer to FIG. 2 , a sub-frame assembly press-fitting device of the present invention includes a base 10 , a pressure cylinder 2 , an upper pressing head 3 , a support frame 4 , a linear actuator 6 , and a lower pressing head 5 .

An inverted L-shaped pressure cylinder installation frame 1 is vertically fixed on the base 10; a pressure cylinder 2 is fixed on the cross arm of the pressure cylinder installation frame 1, and the piston rod of the pressure cylinder 2 is vertically downward and fixed with an upper pressure cylinder. Head 3, the upper pressing head 3 can press the bushing into the mounting hole on the subframe under the drive 4 of the pressure cylinder 2. In this embodiment, the number of pressure cylinder mounting frames 1 is four, and its position corresponds to the position of the mounting holes on the subframe, so that four bushings can be pressed into the four bushings on the subframe at the same time. In the mounting hole, work efficiency is improved. In other different embodiments, the quantity of the pressure cylinder mounting frame 1 is not limited to four, and can be one, two or more, as long as its quantity and position are the same as those installed on the subframe. The number of holes corresponds to the position, and as many bushings as possible can be press-fitted after one positioning of the subframe.

The support frame 4 is slidably connected to the base 10 and located below the upper pressing head 3, and the support frame 4 can be driven by the linear actuator 6 arranged on the base 10 in a direction perpendicular to the piston rod of the pressure cylinder 2 Sliding, the linear actuator can be a screw nut mechanism, a worm gear mechanism or a push-pull cylinder, preferably a push-pull cylinder. In order to make the support frame 4 slide smoothly, a guide rail 11 that can guide the support frame 4 to slide is fixed on the base 10 . In order to improve work efficiency and safety, the sub-frame can be loaded and unloaded while the bushing is being pressed, and the sub-frame is not directly under the upper pressing head 3 when loading and unloading the sub-frame, and the number of support frames 4 is two. Swipe directions are set side by side.

In order to prevent the problem that the bushing cannot be accurately pressed due to the unbalanced placement of the sub-frame during pressing, the support frame 4 is fixed with a lower pressing head 5 corresponding to the upper pressing head 3, and the lower pressing head 5 can be elastically supported The end face of the mounting hole bottom on the sub-frame, because the lower pressure head 5 has elasticity, can absorb the unbalanced error of sub-frame placement. Referring to Fig. 3, the lower pressing head 5 includes a support cylinder 52, a support column 54, a compression spring 53, a tray 55, and a sleeve 51; Ferrule on the support tube 52 and press the shoulder 522, the sleeve 51 is screwed on the support frame 4 to vertically fix the support tube 52 on the support frame 4; the support column 54 is inserted in the support tube 52 and A downward step 541 is formed; a flange 521 protrudes from the inner cylinder wall 520 of the support cylinder 52 adjacent to the bottom end; the compression spring 53 is clipped on the support column 54, one end of which touches the step 541, and the other end The top of the support column 54 is provided with a groove 542, the longitudinal section of the tray 55 is T-shaped, and the vertical arm of the tray 55 is inserted into the groove 542 to fix the tray 55 on the support column 54. top. The bottom end of the support post 54 protrudes from the flange 521 and is screwed with a nut 56 ;

Claims (10)

1. subframe assembly press-loading device comprises pedestal (10), is fixed on pressure cylinder installing rack (1) on this pedestal (10), is fixed on pressure cylinder (2) on this pressure cylinder installing rack (1), is fixed on seaming chuck (3) on the piston rod of pressure cylinder (2) and the bracing frame (4) that is positioned at this seaming chuck (3) below; It is characterized in that: support frame as described above (4) is connected on the described pedestal (10) slidably.

2. a kind of subframe assembly press-loading device as claimed in claim 1 is characterized in that: support frame as described above (4) can drive the direction slip of edge perpendicular to the piston rod of described pressure cylinder (2) by the straight line executing mechanism (6) that is arranged on the pedestal (10).

3. a kind of subframe assembly press-loading device as claimed in claim 2 is characterized in that: it is the push-and-pull cylinder that described straight line executing mechanism drives (6).

4. a kind of subframe assembly press-loading device as claimed in claim 2 is characterized in that: be fixed with the guide rail (11) that guiding support frame as described above (4) slides on the described pedestal (10).

5. a kind of subframe assembly press-loading device as claimed in claim 1 is characterized in that: the quantity and the position of the installing hole on the quantity of described pressure cylinder installing rack (1) and position and the subframe are corresponding.

6. a kind of subframe assembly press-loading device as claimed in claim 1 is characterized in that: support frame as described above (4) is fixed with the push-down head (5) corresponding with described seaming chuck (3).

7. a kind of subframe assembly press-loading device as claimed in claim 6 is characterized in that: the installing hole bottom face of described push-down head (5) on can the resiliency supported subframe.

8. a kind of subframe assembly press-loading device as claimed in claim 7 is characterized in that: described push-down head (5) comprises support tube (52), support column (54), compression spring (53), pallet (55); This support tube (52) vertically is fixed on the bracing frame (4); Support column (54) is plugged in this support tube (52) and is formed with downward step (541); The position of the contiguous bottom of the inner tube wall (520) of this support tube (52) convexes with flange (521); This compression spring (53) is fastened on the support column (54), and the one end is replaced step (541), and the other end is replaced flange (521); Pallet (55) is fixed on the top of support column (54).

9. a kind of subframe assembly press-loading device as claimed in claim 8 is characterized in that: the bottom of described support column (54) is stretched out described flange (521) and is bolted with nut (56); This nut (56) can block only on this flange (521).

10. as each described a kind of subframe assembly press-loading device in the claim 1 to 9, it is characterized in that: the quantity of support frame as described above (4) is two, is set up in parallel along its glide direction.

Images