Drilling positioning clamp for automobile plate spring

Abstract

The utility model discloses a drilling positioning clamp for an automobile plate spring, which comprises a positioning clamp body, a fixed positioning plate is arranged at the left end of the positioning clamp body, a positioning plate is arranged at the right end of the fixed positioning plate, a central positioning movable plate is arranged at the upper end of the right end of the positioning plate, and arc-shaped movable holes are formed in the upper end and the lower end of the central positioning movable plate. A center positioning plate fixing bolt is inserted into the bottom of the arc-shaped movable hole and is in threaded connection with the positioning plate, a center positioning vertical roller is fixedly arranged on the center positioning plate, and a movable positioning plate is arranged at the upper end of the right end of the fixed positioning plate; in general, the plate spring drilling device has the advantages of being simple in structure, convenient to use and capable of being adjusted according to the plate spring drilling position and the plate spring width.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile leaf spring processing, in particular to a drilling positioning fixture for automobile leaf springs. Background Art

[0002] Leaf springs are the most critical shock-absorbing components in automobile suspension systems. Different automobile accessories use leaf springs of different specifications, and the leaf springs are used in pairs on the same car. Currently, in the production process of leaf springs, they are generally trimmed, cornered, and drilled by fixed molds after rolling.

[0003] At present, the automobile leaf springs are often unable to be adjusted according to the drilling position during the drilling process. Different drilling positions require the replacement of different drilling fixing molds, which is time-consuming, labor-intensive, and cost-intensive. In addition, the current drilling molds cannot be adjusted according to the width of the leaf spring, and the use process is very troublesome. Therefore, it is of great application significance to develop a drilling positioning fixture for automobile leaf springs that has a simple structure, is easy to use, and can be adjusted according to the drilling position and width of the leaf spring. Summary of the invention

[0004] The purpose of the utility model is to provide a drilling positioning fixture for automobile leaf springs, so as to solve the problem that the current automobile leaf springs often cannot be adjusted according to the drilling position during the drilling process, different drilling positions need to replace different drilling fixing molds, which is time-consuming, labor-intensive, and cost-intensive, and the current drilling molds cannot be adjusted according to the width of the leaf spring and the use process is very troublesome; therefore, it is of great application significance to develop a drilling positioning fixture for automobile leaf springs which has a simple structure, is easy to use, and can be adjusted according to the drilling position and width of the leaf spring.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A drilling and positioning fixture for an automobile leaf spring comprises a positioning fixture body, a fixed positioning plate is arranged at the left end of the positioning fixture body, a positioning plate is arranged at the right end of the fixed positioning plate, a center positioning movable plate is arranged at the upper end of the right end of the positioning plate, an arc-shaped movable hole is opened at the upper end and the lower end of the center positioning movable plate, a center positioning plate fixing bolt is inserted into the bottom of the arc-shaped movable hole and is threadedly connected with the positioning plate, a center positioning vertical roller is fixedly arranged on the center positioning movable plate, and a movable positioning plate is arranged at the upper end of the right end of the fixed positioning plate;

[0007] Beneficial effect: The utility model arranges a center positioning movable plate at the upper end of the right end portion of the positioning plate. The center positioning movable plate is a cylindrical structure. The upper end and the lower end of the center positioning movable plate are provided with arc-shaped movable holes. The center positioning plate fixing bolt passes through the bottom of the arc-shaped movable hole and is threadedly connected to the positioning plate. A center positioning vertical roller is arranged at the upper end of the center positioning movable plate. A movable handle is fixedly arranged in the middle of the right end of the center positioning movable plate. During use, there are two center positioning vertical rollers respectively located above and below the center of the center positioning movable plate. The center positioning movable plate angle can be rotated by the movable handle according to the width of the leaf spring sheet and the center positioning vertical roller angle can be adjusted at the same time to adapt to different leaf spring sheet widths. When the center positioning movable plate is rotated counterclockwise, it can adapt to narrower width leaf spring sheets. When the center positioning movable plate is rotated clockwise, it can adapt to wider width leaf spring sheets. The use process is very convenient and different width leaf spring sheets can be realized without changing the mold, saving costs.

[0008] In addition, a fixed positioning plate is arranged at the left end of the middle of the positioning plate, a movable oblong hole is opened in the middle of the fixed positioning plate, a movable positioning plate is arranged at the upper end of the right end of the fixed positioning plate, an oblong hole is opened in the middle of the movable positioning plate, a positioning bolt passes through the oblong hole and the bottom of the movable oblong hole and cooperates with a nut to fix the movable positioning plate and the fixed positioning plate. The right end of the movable positioning plate is a triangular structure. During use, the distance between the top angle of the right end of the movable positioning plate and the center position of the center positioning movable plate can be adjusted according to the drilling position requirements, and then the positioning bolt is inserted into the oblong hole and the movable oblong hole to fix the movable positioning plate and the fixed positioning plate to meet the drilling positioning needs of different leaf springs.

[0009] Furthermore, a movable plate handle is provided at the right end of the middle part of the center positioning movable plate, and the movable plate handle and the center positioning movable plate are an integrated structure; by providing an adjustable wrench at the right end of the center positioning movable plate, the angle of the center positioning movable plate can be rotated by the adjustable handle according to the width of the leaf spring during use, and the angle of the center positioning vertical roller can be adjusted at the same time to suit different leaf spring widths, which makes the use process very convenient.

[0010] Furthermore, a pin hole is provided at the center of the center positioning movable plate.

[0011] Furthermore, a bearing is arranged in the pin row hole, and a connecting pin is inserted into the bearing center hole and the pin row hole; the bearing is located in the pin row hole and at the same time in the positioning plate and the center positioning movable plate, and the bearing can be respectively connected with the positioning plate and the center positioning movable plate by inserting the connecting pin, and at the same time, due to the action of the bearing, the center positioning movable plate can rotate 360° above the positioning plate.

[0012] Furthermore, the right end portion of the movable positioning plate is a triangular structure, and an oblong hole is provided on the movable positioning plate; during use, the left end portion of the leaf spring is tightly attached to the top angle set on the right end portion of the movable positioning plate to complete the lateral positioning, and by setting the oblong hole, the distance between the top angle of the right end portion of the movable positioning plate and the center position of the central positioning movable plate can be adjusted according to the drilling position requirements during use, and then the positioning bolts are inserted into the oblong hole and the movable oblong hole to fix the movable positioning plate to the fixed positioning plate, thereby completing the drilling positioning requirements of different leaf springs.

[0013] Furthermore, a movable oblong hole is opened in the middle of the fixed positioning plate; in general, the utility model has the advantages of simple structure, convenient use, and can be adjusted according to the drilling position and width of the leaf spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the main cross-sectional structure of the utility model.

[0016] Figure numerals: 0, positioning fixture body 1, positioning plate 2, center positioning movable plate 20, arc-shaped movable hole 3, center positioning plate fixing bolt 4, movable handle 5, fixed positioning plate 50, movable oblong hole 6, movable positioning plate 7, center positioning vertical roller 8, bearing 9, connecting pin 10, leveling pad 11, pin hole 12, leaf spring 13, positioning bolt. DETAILED DESCRIPTION

[0017] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0018] The specific implementation of the utility model is as follows Figure 1 , Figure 2 As shown, the utility model provides a drilling and positioning fixture for automobile leaf springs, including a positioning fixture body 0, a fixed positioning plate 5 is arranged at the left end of the positioning fixture body 0, a positioning plate 1 is arranged at the right end of the fixed positioning plate 5, a center positioning movable plate 2 is arranged at the upper end of the right end of the positioning plate 1, an arc-shaped movable hole 20 is opened at the upper end and the lower end of the center positioning movable plate 2, a center positioning plate fixing bolt 3 is inserted into the bottom of the arc-shaped movable hole 20 and is threadedly connected with the positioning plate 1, a center positioning vertical roller 7 is fixedly arranged on the center positioning movable plate 2, and a movable positioning plate 6 is arranged at the upper end of the right end of the fixed positioning plate 5;

[0019] A center positioning movable plate 2 is arranged at the upper end of the right end of the positioning plate 1. The center positioning movable plate 2 is a cylindrical structure. The upper and lower ends of the center positioning movable plate 2 are provided with arc-shaped movable holes 20. The arc-shaped movable holes 20 of different angles and lengths can be opened according to actual needs. The center positioning plate fixing bolt 3 passes through the bottom of the arc-shaped movable hole 20 and is threadedly connected to the positioning plate 1. A center positioning vertical roller 7 is arranged at the upper end of the center positioning movable plate 2. A movable handle 4 is fixedly arranged at the middle of the right end of the center positioning movable plate 2. During use, the center positioning vertical rollers 7 are two respectively located at the center positioning movable plates 2. Above and below the center of the circle, the movable handle 4 can be used to rotate the center positioning movable plate 2 according to the width of the leaf spring 12, and the center positioning vertical roller 7 can be adjusted at the same time to adapt to different leaf spring widths. The center positioning vertical roller 7 is located at the upper end of the center positioning movable plate 2 and is fixed to the center positioning movable plate 2 as an integrated structure. When the center positioning movable plate 2 is rotated counterclockwise, it can be suitable for a narrower width leaf spring 12. When the center positioning movable plate 2 is rotated clockwise, it can be suitable for a wider width leaf spring 12. The use process is very convenient, and different width leaf springs can be realized without changing the mold to save costs;

[0020] A fixed positioning plate 5 is arranged at the left end of the middle of the positioning plate 1, a movable oblong hole 50 is opened in the middle of the fixed positioning plate 5, a movable positioning plate 6 is arranged at the upper end of the right end of the fixed positioning plate 5, an oblong hole is opened in the middle of the movable positioning plate 6, a positioning bolt 13 passes through the oblong hole and the bottom of the movable oblong hole 50 and cooperates with the nut to fix the movable positioning plate 6 with the fixed positioning plate 5, and the right end of the movable positioning plate 6 is a triangular structure. During use, the distance between the top angle of the right end of the movable positioning plate 6 and the center position of the center positioning movable plate 2 can be adjusted according to the drilling position requirements, and then the positioning bolt 13 is inserted into the oblong hole and the movable oblong hole 50 to fix the movable positioning plate 6 with the fixed positioning plate 5, thereby completing the drilling positioning requirements of different leaf spring pieces 12.

[0021] like Figure 1 As shown, a movable plate handle 4 is provided at the right end of the middle part of the center positioning movable plate 2, and the movable plate handle 4 and the center positioning movable plate 2 are an integrated structure; by providing an adjustable wrench 4 at the right end of the center positioning movable plate 2, during use, the movable handle 4 is used to rotate the angle of the center positioning movable plate 2 according to the width of the leaf spring piece 12 and at the same time adjust the angle of the center positioning vertical roller 7 to suit different widths of the leaf spring piece 12, and the use process is very convenient.

[0022] like Figure 1 As shown, a pin hole 11 is provided at the center of the center positioning movable plate 2. The pin hole 11 is located directly below the drill bit and is concentric with the drill bit.

[0023] like Figure 1 , Figure 2As shown, a bearing 8 is provided in the pin hole 11, and a connecting pin 9 is inserted into the center hole of the bearing 8 and the pin hole 11; the bearing 8 is located in the pin hole 11 and is also located in the positioning plate 1 and the center positioning movable plate 2. By inserting the connecting pin 9, the bearing 8 can be respectively connected with the positioning plate 1 and the center positioning movable plate 2. At the same time, due to the action of the bearing 8, the center positioning movable plate 2 can rotate 360° above the positioning plate 1.

[0024] like Figure 1 As shown, the right end portion of the movable positioning plate 6 is a triangular structure, and an oblong hole is opened on the movable positioning plate 6; during use, the left end portion of the leaf spring sheet 12 is tightly attached to the vertex angle set at the right end portion of the movable positioning plate 6 to complete the lateral positioning, and by setting the oblong hole, the distance between the vertex angle of the right end portion of the movable positioning plate 6 and the center position of the central positioning movable plate 2 can be adjusted according to the drilling position requirements during use, and then the positioning bolt 13 is inserted into the oblong hole and the movable oblong hole 50 to fix the movable positioning plate 6 to the fixed positioning plate 5, thereby completing the drilling positioning requirements of different leaf springs.

[0025] like Figure 1 As shown, a movable oblong hole 50 is opened in the middle of the fixed positioning plate 5.

[0026] When the utility model is implemented: first, the angle of the center positioning vertical roller 7 needs to be adjusted according to the width of the leaf spring sheet, and the angle of the center positioning movable plate 2 is rotated by the movable handle 4. The center positioning vertical roller 7 is located at the upper end of the center positioning movable plate 2, and the angle of the center positioning vertical roller 7 can be adjusted at the same time. When the leaf spring sheet 12 is narrow, the center positioning movable plate 2 is rotated counterclockwise by the movable handle 4. When the leaf spring sheet 12 is wider, the center positioning movable plate 2 is rotated clockwise by the movable handle 4. When it is adjusted to a suitable angle, the center positioning plate fixing bolt 3 is inserted into the top of the arc-shaped movable hole 20 and cooperates with the nut to complete the fixed connection between the center positioning movable plate 2 and the positioning plate 1. Then, according to the drilling position of the leaf spring sheet 12, the left wall of the leaf spring sheet 12 and the movable positioning plate are connected. 6 top angle contact, move the movable positioning plate 6 left and right. When the drilling position of the leaf spring 12 is directly below the drill bit, insert the positioning bolt 13 into the oblong hole and the bottom of the movable oblong hole 50 and cooperate with the nut to complete the fixed connection between the movable positioning plate 6 and the fixed positioning plate 5. During use, place the leaf spring 12 above the center positioning movable plate 2 and at the same time make the upper side wall of the leaf spring 12 contact with the upper center positioning vertical roller 7, the lower side wall of the leaf spring 12 contact with the lower center positioning vertical roller 7, and the left side wall of the leaf spring 7 contact with the top angle set at the right end of the movable positioning plate 6 to complete the positioning of the leaf spring 12 and then drill. In general, the utility model has the advantages of simple structure, easy use, and can be adjusted according to the drilling position and width of the leaf spring.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A drilling and positioning fixture for an automobile leaf spring, comprising a positioning fixture body (0), characterized in that: A fixed positioning plate (5) is provided at the left end of the positioning fixture body (0), a positioning plate (1) is provided at the right end of the fixed positioning plate (5), a center positioning movable plate (2) is provided at the upper end of the right end of the positioning plate (1), arc-shaped movable holes (20) are provided at the upper and lower ends of the center positioning movable plate (2), a center positioning plate fixing bolt (3) is inserted into the bottom of the arc-shaped movable hole (20) and is threadedly connected to the positioning plate (1), a center positioning vertical roller (7) is fixedly provided on the center positioning movable plate (2), and a movable positioning plate (6) is provided at the upper end of the right end of the fixed positioning plate (5).

2. The drilling and positioning fixture for automobile leaf springs according to claim 1, characterized in that: A movable plate handle (4) is provided at the right end of the middle part of the center positioning movable plate (2), and the movable plate handle (4) and the center positioning movable plate (2) are an integrated structure.

3. The drilling and positioning fixture for automobile leaf springs according to claim 2, characterized in that: A pin hole (11) is provided at the center of the center positioning movable plate (2).

4. The drilling and positioning fixture for automobile leaf springs according to claim 3, characterized in that: A bearing (8) is arranged in the pin-discharging hole (11), and a connecting pin shaft (9) is inserted into the center hole of the bearing (8) and the pin-discharging hole (11).

5. The drilling and positioning fixture for automobile leaf springs according to claim 1, characterized in that: The right end portion of the movable positioning plate (6) is a triangular structure, and an oblong hole is provided on the movable positioning plate (6).

6. The drilling and positioning fixture for automobile leaf springs according to claim 1, characterized in that: A movable oblong hole (50) is provided in the middle of the fixed positioning plate (5).

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