Pulley rod bushing hole pre-shaping equipment

Abstract

The utility model discloses a pulley rod bushing hole pre-shaping device which comprises a flanging mechanism and a progressive press-in mechanism, the flanging mechanism comprises a first flanging pin, a second flanging pin, a first translation mechanism, a flanging pin pushing air cylinder and a flanging pin press-in air cylinder, the first flanging pin and the second flanging pin are installed on the first translation mechanism, and the progressive press-in air cylinder is installed on the second translation mechanism. The first translation mechanism is controlled by the flanging pin pushing cylinder to move, the flanging pin press-in cylinder is used for controlling the first flanging pin and the second flanging pin to move downwards, the progressive press-in mechanism comprises a plurality of groups of progressive press-in pins and progressive pin press-in cylinders, and each group of progressive press-in pins is controlled by the corresponding progressive pin press-in cylinder to move downwards. According to the utility model, the lining installed in the connecting rod is flanged twice through the flanging pins with two different sizes, and the flanged lining is reamed through the three-section progressive press-in pin, so that the problems of rebound and convex hulls after the lining is pressed are avoided, and the matching precision of the lining and the pull rod is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to processing equipment technical field especially a pulley rod bushing hole pre -shaping equipment. BACKGROUND

[0002] The traction rod for the vehicle interior needs to be connected with the bushing to process, when the existing processing equipment processes the bushing, mostly adopts the process of one-time flanging, hole expanding and extruding, this process can cause the problem of bushing convex, and easily makes the bushing rebound after pressing, reduces the matching precision of the bushing and the pull rod. SUMMARY

[0003] In order to solve the defects existing in the prior art, the utility model provides a shaping equipment for multiple flanging treatment and multi-section type hole expanding treatment to the bushing.

[0004] The technical scheme of the utility model is implemented as follows: a pulley rod bushing hole pre-shaping equipment, including flanging mechanism, progressive pressing mechanism, the flanging mechanism includes first flanging pin, second flanging pin, first translation mechanism, flanging pin push cylinder, flanging pin pressing cylinder, first flanging pin, second flanging pin are installed on first translation mechanism, first translation mechanism is controlled to move by flanging pin push cylinder, flanging pin pressing cylinder is used to control first flanging pin, second flanging pin moves down, the progressive pressing mechanism includes multiple groups of progressive pressing pin and progressive pin pressing cylinder, and each group progressive pressing pin is controlled to move down by the corresponding progressive pin pressing cylinder.

[0005] In one of the embodiments, the scheme further includes positioning mechanism, the positioning mechanism includes first positioning mechanism, second positioning mechanism, the first positioning mechanism is arranged below the flanging mechanism, and the second positioning mechanism is arranged below the progressive pressing mechanism.

[0006] In one of the embodiments, the first positioning mechanism includes product fixing block, positioning base, and the product fixing block is installed on the positioning base.

[0007] In one of the embodiments, the second positioning mechanism includes product mounting seat, second translation mechanism, push cylinder, the product mounting seat is installed on the second translation mechanism, and the push cylinder is used to control the second translation mechanism to move.

[0008] In one of the embodiments, the product mounting seat is provided with a placing groove matched with the product contour.

[0009] In one of the embodiments, the flanging mechanism and the progressive pressing mechanism are installed on the general assembly frame.

[0010] In one of the embodiments, the total assembly frame is provided with a fan, which is located above the flanging mechanism and the progressive pressing mechanism.

[0011] In one of the embodiments, the total assembly frame is provided with a material rack, and the total assembly frame is provided with a plurality of material boxes.

[0012] In one of the embodiments, the progressive pressing pin is a three-section progressive pressing pin.

[0013] The bushing installed in the connecting rod is processed by two times of flanging by two flanging pins with different sizes, the first time is 45-degree flanging processing, and the second time is 90-degree flanging processing, the flanged bushing and workpiece are expanded, the expansion adopts a three-section expansion process, the bushing is expanded by the three-section progressive pressing pin, the rebounding and convex problem of the bushing after pressing are avoided, and the cooperation precision of the bushing and the pull rod is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the whole mechanism of the utility model;

[0015] Figure 2 It is a flanging mechanism structure schematic diagram of the utility model

[0016] Figure 3 It is a expansion mechanism structure schematic diagram of the utility model;

[0017] Figure 4 It is Figure 3 It is an enlarged schematic diagram of the mechanism at A;

[0018] Figure 5 It is a three-section progressive pressing pin structure schematic diagram of the utility model;

[0019] Figure 6 It is a bushing installation schematic diagram of the utility model.

[0020] In the figure, 1, flanging mechanism, 2, progressive pressing mechanism, 3, first positioning mechanism, 4, second positioning mechanism, 101, first flanging pin, 102, second flanging pin, 103, first translation mechanism, 104, flanging pin pushing cylinder, 105, flanging pin pressing cylinder, 201, progressive pressing pin, 202, progressive pin pressing cylinder, 301, product fixing block, 302, positioning base, 401, product mounting seat, 402, second translation mechanism, 403, pushing cylinder, 5, total assembly frame, 6, fan, 7, material rack, 8, material box, 9, bushing. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0022] As Figures 1 to 4 The utility model discloses a pulley rod bushing hole preforming equipment, including flanging mechanism 1, progressive press in mechanism 2, flanging mechanism 1 includes first flanging pin 101, second flanging pin 102, first translation mechanism 103, flanging pin push cylinder 104, flanging pin press in cylinder 105, first flanging pin 101, second flanging pin 102 are installed on first translation mechanism 103, first translation mechanism 103 is controlled its movement by flanging pin push cylinder 104, flanging pin press in cylinder 104 is used for controlling first flanging pin 101, second flanging pin 102 move down, progressive press in mechanism 2 includes multiple groups of progressive press in pin 201 and progressive pin press in cylinder 202, and each group progressive press in pin 201 is controlled to move down by its corresponding progressive pin press in cylinder 202.

[0023] Among them, first flanging pin 101 is 45 degree flanging pin, and second flanging pin 102 is 90 degree flanging pin.

[0024] In this embodiment, the scheme further includes positioning mechanism, the positioning mechanism includes first positioning mechanism 3, second positioning mechanism 4, first positioning mechanism 3 is arranged below flanging mechanism 1, and second positioning mechanism 4 is arranged below progressive press in mechanism 2.

[0025] In this embodiment, first positioning mechanism 3 includes product fixed block 301, positioning base 302, product fixed block 301 is installed on positioning base 302.

[0026] In this embodiment, second positioning mechanism 4 includes product mounting seat 401, second translation mechanism 402, push cylinder 403, product mounting seat 401 is installed on second translation mechanism 402, and push cylinder 403 is used for controlling second translation mechanism 402 to move.

[0027] In this embodiment, product mounting seat 401 is equipped with the placing groove that is adapted to the product contour.

[0028] In this embodiment, flanging mechanism 1 and progressive press in mechanism 2 are installed on general assembly frame 5.

[0029] In this embodiment, fan 6 is equipped on general assembly frame 5, and fan 6 is located above flanging mechanism 1 and progressive press in mechanism 2.

[0030] In this embodiment, material rack 7 is equipped on one side of general assembly frame 5, and a plurality of material boxes 8 are equipped in general assembly frame 5.

[0031] In the embodiment, the progressive press-in pin 201 is a three-section progressive press-in pin. The three-section design can reduce the rebound deformation of the bushing 9 after pressing, and lessens wear and prevents abnormal vibration.

[0032] The working process of the utility model is as follows: after the bushing 9 is sleeved on the connecting rod workpiece, the workpiece is placed on the product fixing block 301 of the first positioning mechanism 3 and positioned and fixed by the product fixing block 301; the flanging pin push cylinder 104 pushes the first flanging pin 101 to move above the bushing 9; the first flanging pin 101 is pushed downward by the flanging pin press-in cylinder 104 and pressed into the bushing 9, and first 45° flanging processing is performed; after resetting, the flanging pin push cylinder 104 pushes the second flanging pin 102 to move above the bushing 9; the second flanging pin 102 is pushed downward by the flanging pin press-in cylinder 104 and pressed into the bushing 9, and second 90° flanging processing is performed. The flanged workpiece is placed in the product mounting seat 401 of the second positioning mechanism 4; different three-section progressive press-in pins are selected according to needs to perform hole expansion processing on the bushing; each three-section progressive press-in pin is controlled by an independent progressive pin press-in cylinder; the three-section hole expansion design can reduce the rebound deformation of the bushing after pressing, and lessens wear and prevents abnormal vibration.

[0033] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pre-forming device for a pulley rod bushing hole, comprising a flanging mechanism and a progressive pressing mechanism, characterized in that: The flanging mechanism includes a first flanging pin, a second flanging pin, a first translation mechanism, a flanging pin pushing cylinder, and a flanging pin pressing cylinder. The first flanging pin and the second flanging pin are mounted on the first translation mechanism, which is controlled to move by the flanging pin pushing cylinder. The flanging pin pressing cylinder is used to control the first flanging pin and the second flanging pin to move downward. The progressive pressing mechanism includes multiple sets of progressive pressing pins and progressive pressing cylinders. Each set of progressive pressing pins is controlled to move downward by its corresponding progressive pressing cylinder.

2. The pre-forming device for the pulley rod bushing hole according to claim 1, characterized in that: It also includes a positioning mechanism, which includes a first positioning mechanism and a second positioning mechanism. The first positioning mechanism is located below the flange mechanism, and the second positioning mechanism is located below the progressive pressing mechanism.

3. The pre-forming device for the pulley rod bushing hole according to claim 2, characterized in that: The first positioning mechanism includes a product fixing block and a positioning base, wherein the product fixing block is mounted on the positioning base.

4. The pre-forming device for the pulley rod bushing hole according to claim 2, characterized in that: The second positioning mechanism includes a product mounting base, a second translation mechanism, and a push cylinder. The product mounting base is mounted on the second translation mechanism, and the push cylinder is used to control the movement of the second translation mechanism.

5. The pre-forming device for the pulley rod bushing hole according to claim 4, characterized in that: The product mounting base is provided with a placement slot that matches the product's outer contour.

6. The pre-forming device for the pulley rod bushing hole according to claim 1, characterized in that: The flanging mechanism and the progressive pressing mechanism are mounted on the assembly frame.

7. The pre-forming device for the pulley rod bushing hole according to claim 6, characterized in that: The assembly frame is equipped with a fan, which is located above the flanging mechanism and the progressive pressing mechanism.

8. The pre-forming device for the pulley rod bushing hole according to claim 6, characterized in that: A material rack is provided on one side of the assembly frame, and multiple material boxes are provided inside the assembly frame.

9. The pre-forming device for the pulley rod bushing hole according to claim 1, characterized in that: The progressive press-in pin is a three-stage progressive press-in pin.

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