Preshaping device in empty spring production process

Abstract

The utility model relates to a pre-shaping device in an empty spring production process, and belongs to the technical field of spring manufacturing. Comprising an operation table, a cylindrical base is installed on the operation table, a positioning barrel is slidably arranged outside the base in a sleeving mode, and a driving mechanism I for driving the positioning barrel to move up and down is further arranged in the operation table; a supporting frame is correspondingly installed on the operation table, a downward pressing assembly is installed on the supporting frame and comprises a downward pressing frame, a pressing head is installed on the downward pressing frame corresponding to the base, and a driving mechanism II for driving the pressing head to move up and down is installed on the downward pressing frame; a conical working face is arranged on the pressing head. According to the pre-shaping device in the empty spring production process, the pre-shaping process is added, and semi-finished products are pre-processed to reduce the form difference, so that the production efficiency and the product quality are improved. By means of the improvement, the problems in the prior art are solved, and a more efficient and reliable method is provided for production of empty springs.

Description

Technical Field

[0001] The utility model relates to a pre-forming device in the production process of an empty spring, belonging to the technical field of spring production. Background Art

[0002] In the production process of air springs, the optimization of production process is crucial to improve production efficiency and product quality. In the traditional production process, there are often some problems in the process from molding to vulcanization, such as too large expansion coefficient or compression coefficient, resulting in low qualified rate of finished products. These problems are mainly due to the large difference in shape between the semi-finished products after molding and the final vulcanized products, that is, the semi-finished products are usually slender, while the finished products after vulcanization are relatively short and thick.

[0003] In the actual production process, it is found that there are at least the following technical problems in the prior art:

[0004] The morphological difference between semi-finished products and finished products is one of the main reasons for low production efficiency and product failure. Utility Model Content

[0005] The technical problem to be solved by the utility model is: to overcome the shortcomings of the prior art, to provide a pre-forming device in the production process of an empty spring, to add a pre-forming process, to pre-treat the semi-finished product, to reduce the morphological difference, thereby improving production efficiency and product quality. This improvement not only solves the problems in the prior art, but also provides a more efficient and reliable method for the production of empty springs.

[0006] The pre-forming device in the production process of the empty spring described in the utility model comprises an operating table, on which a cylindrical base is installed, a positioning cylinder is slidably sleeved on the outside of the base, and a driving mechanism I for driving the positioning cylinder to move up and down is also arranged inside the operating table;

[0007] A support frame is installed on the operating table, a pressing assembly is installed on the support frame, the pressing assembly includes a pressing frame, a pressing head is installed on the corresponding base of the pressing frame, and a driving mechanism II for driving the pressing head to move up and down is installed on the pressing frame;

[0008] A conical working surface is arranged on the pressure head.

[0009] Furthermore, a compression spring is installed at the lower end of the positioning cylinder, an annular plate is slidably installed in the base, the positioning cylinder is connected to the annular plate through the compression spring, and the lower end of the annular plate is connected to the output end of the driving mechanism I.

[0010] Furthermore, a position detection sensor is installed on the upper end of the annular plate.

[0011] Furthermore, the driving mechanism I comprises a cylinder I, a fixing plate is mounted on the output end of the cylinder I, and the fixing plate is mounted on the lower end surface of the annular plate.

[0012] Furthermore, the cylinder I is arranged as a whole inside the cylindrical base.

[0013] Furthermore, a long waist mounting hole is provided on the lower pressure frame, and the lower pressure frame is installed on the support frame through the long waist mounting hole with screws. A pulling screw is provided on the upper end of the lower pressure frame, and the pulling screw is installed on the support frame through a nut.

[0014] Furthermore, a guide rod is provided on the upper end surface of the pressing head, and the guide rod is slidably mounted on the lower pressing frame.

[0015] Furthermore, at least two groups of bases, positioning cylinders and driving mechanisms I can be installed correspondingly on the operating table, and the same group of pressing components can be installed on the corresponding bases of the support frame.

[0016] Furthermore, a supporting positioning component may be provided on the operating table corresponding to the base.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model places the semi-finished product on the base, presses it down through the pressure head, ensures the shape of the semi-finished product around the positioning cylinder, and the conical working surface is more closely connected with the semi-finished product, so that the above-mentioned pre-forming process pre-treats the semi-finished product, effectively reduces the difference in form between the semi-finished product and the finished product, thereby shortening the production cycle and improving production efficiency. It ensures that the shape of the semi-finished product before vulcanization is closer to the finished product, reduces the uncertainty and scrap rate in the production process, and improves product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the structural diagrams of Embodiment 1 of the present utility model;

[0020] Figure 2 This is the second structural diagram of Embodiment 1 of the present utility model;

[0021] Figure 3 yes Figure 2 A partial enlarged view of the middle part;

[0022] Figure 4 This is a front view of Embodiment 1 of the present utility model;

[0023] Figure 5 yes Figure 4 A partial enlarged view of point B in the middle;

[0024] Figure 6 It is a schematic diagram of the lifting control structure of the positioning cylinder of Example 1 of the utility model;

[0025] Figure 7 It is a schematic diagram of the internal structure of the positioning cylinder lifting control of Example 1 of the utility model;

[0026] Figure 8 It is a schematic structural diagram of the driving mechanism I of the embodiment 1 of the utility model;

[0027] In the figure:

[0028] 1. Pressing assembly; 11. Pressing frame; 111. Long waist mounting hole; 112. Pulling screw; 12. Driving mechanism II; 13. Pressing head; 131. Conical working surface; 132. Guide rod;

[0029] 2. Support frame;

[0030] 3. Operation table;

[0031] 4. Support and positioning assembly; 41. Threaded seat; 42. Press block;

[0032] 5. Base;

[0033] 6. Positioning cylinder; 61. Compression spring;

[0034] 7. Driving mechanism I; 71. Ring plate; 72. Fixed plate; 721. Wire guide groove;

[0035] 8. Position detection sensor. DETAILED DESCRIPTION

[0036] Example 1

[0037] like Figures 1 to 8 As shown, the pre-forming device in the empty spring production process described in the utility model includes an operating table 3, on which a cylindrical base 5 is installed, and a positioning cylinder 6 is slidably sleeved on the outside of the base 5. A driving mechanism Ⅰ7 for driving the positioning cylinder 6 to move up and down is also arranged in the operating table 3;

[0038] The operating table 3 is correspondingly mounted with a support frame 2, the support frame 2 is mounted with a pressing assembly 1, the pressing assembly 1 includes a pressing frame 11, a pressing head 13 is mounted on the pressing frame 11 corresponding to the base 5, and a driving mechanism II 12 for driving the pressing head 13 to move up and down is mounted on the pressing frame 11;

[0039] The driving mechanism II 12 comprises a cylinder II, a fixed end of which is mounted on the support frame 2, and an output end of which is connected to the pressure head 13, thereby driving the pressure head 13 to press downward.

[0040] The pressing head 13 is provided with a conical working surface 131 .

[0041] A compression spring 61 is installed at the lower end of the positioning cylinder 6, and an annular plate 71 is slidably installed in the base 5. The positioning cylinder 6 is connected to the annular plate 71 through the compression spring 61, and the lower end of the annular plate 71 is connected to the output end of the driving mechanism I7.

[0042] A position detection sensor 8 is installed at the upper end of the annular plate 71 . The position detection sensor 8 is a non-contact position detection sensor, and detects the lower end surface of the positioning cylinder 6 through the compression of the compression spring 61 .

[0043] The driving mechanism I7 includes a cylinder I, and a fixing plate 72 is installed on the output end of the cylinder I. The fixing plate 72 is installed on the lower end surface of the annular plate 71. A wire groove 721 is opened on the fixing plate 72 to accommodate the connecting wire of the position detection sensor 8.

[0044] The cylinder I is arranged as a whole inside the cylindrical base 5.

[0045] The lower pressure frame 11 is provided with a long waist mounting hole 111, and the lower pressure frame 11 is installed on the support frame 2 through the long waist mounting hole 111 with screws. The upper end of the lower pressure frame 11 is provided with a pulling screw 112, and the pulling screw 112 is installed on the support frame 2 through a nut.

[0046] The position of the lower pressing frame 11 on the supporting frame 2 is adjusted by pulling the screw rod 112 , so as to accurately adjust the screw in the long waist mounting hole 111 .

[0047] A guide rod 132 is provided on the upper end surface of the pressing head 13 , and the guide rod 132 is slidably mounted on the lower pressing frame 11 .

[0048] At least two groups of bases 5 , positioning cylinders 6 and driving mechanisms I 7 can be installed on the operating table 3 , and the same group of pressing components 1 can be installed on the supporting frame 2 corresponding to the bases 5 .

[0049] A supporting and positioning assembly 4 may also be provided on the operating table 3 corresponding to the base 5. The supporting and positioning assembly 4 includes a threaded seat 41 fixed to the upper end surface of the operating table 3. The threaded seat 41 is connected to a pressing block 42 through a threaded rod, and the pressing block 42 is adapted to the downward pressing of other semi-finished products.

[0050] Working process or working principle:

[0051] Place the empty spring semi-finished product on the base 5. At this time, the positioning cylinder 6 is lifted up by the driving mechanism I7. After the positioning cylinder 6 is lifted up, the driving mechanism II12 drives the pressure head 13 to press down. At this time, the conical working surface 131 is pushed into the middle hole of the empty spring semi-finished product, and the empty spring semi-finished product is pressed into the positioning cylinder 6. When the compression spring 61 is compressed, the downward pressure is completed, and the empty spring semi-finished product reaches the desired diameter.

[0052] The description of the direction and relative position relationship of the structure in the present invention, such as the description of front, back, left, right, up, and down, does not constitute a limitation of the present invention, but is only for the convenience of description.

Claims

1. A pre-forming device in an empty spring production process, characterized in that: The operating table (3) comprises a cylindrical base (5) mounted on the operating table (3), a positioning cylinder (6) being slidably sleeved on the outside of the base (5), and a driving mechanism I (7) for driving the positioning cylinder (6) to move up and down is also arranged inside the operating table (3); A support frame (2) is mounted on the operating table (3), a pressing assembly (1) is mounted on the support frame (2), the pressing assembly (1) comprises a pressing frame (11), a pressing head (13) is mounted on the pressing frame (11) corresponding to the base (5), and a driving mechanism II (12) for driving the pressing head (13) to move up and down is mounted on the pressing frame (11); The pressure head (13) is provided with a conical working surface (131).

2. The pre-forming device in the hollow spring production process according to claim 1 is characterized in that: A compression spring (61) is installed at the lower end of the positioning cylinder (6), an annular plate (71) is slidably installed in the base (5), the positioning cylinder (6) is connected to the annular plate (71) via the compression spring (61), and the lower end of the annular plate (71) is connected to the output end of the driving mechanism I (7).

3. The pre-forming device in the hollow spring production process according to claim 2, characterized in that: A position detection sensor (8) is mounted on the upper end of the annular plate (71).

4. The pre-forming device in the hollow spring production process according to claim 3, characterized in that: The driving mechanism I (7) comprises a cylinder I, a fixing plate (72) is mounted on the output end of the cylinder I, and the fixing plate (72) is mounted on the lower end surface of the annular plate (71).

5. The pre-forming device in the hollow spring production process according to claim 4, characterized in that: The cylinder I is arranged as a whole inside the cylindrical base (5).

6. The pre-forming device in the hollow spring production process according to claim 1, characterized in that: The lower pressing frame (11) is provided with a long waist mounting hole (111), and the lower pressing frame (11) is mounted on the support frame (2) through the long waist mounting hole (111) with screws. A pulling screw rod (112) is provided at the upper end of the lower pressing frame (11), and the pulling screw rod (112) is mounted on the support frame (2) through a nut.

7. The pre-forming device in the hollow spring production process according to claim 1, characterized in that: A guide rod (132) is provided on the upper end surface of the pressing head (13), and the guide rod (132) is slidably mounted on the lower pressing frame (11).

8. The pre-forming device in the hollow spring production process according to claim 1, characterized in that: At least two groups of bases (5), positioning cylinders (6) and driving mechanisms I (7) can be installed on the operating table (3) in correspondence, and the same group of pressing components (1) can be installed on the supporting frame (2) corresponding to the base (5).

9. The pre-forming device in the hollow spring production process according to claim 1, characterized in that: A supporting positioning component (4) may also be provided on the operating table (3) corresponding to the base (5).

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