A roller-type wedge mechanism with long service life

Abstract

The utility model relates to the field of angular wedges, and in particular to a roller-type angular wedge mechanism with a long service life, comprising a base plate, a slide rail, a sliding block and a push block, wherein the base plate is connected to the slide rail, the sliding block is slidably arranged on the base plate, and a contact inclined surface is arranged on the sliding block, the push block comprises a rotating shaft and an adjustment block, the rotating shaft is rotatably connected to the adjustment block, the adjustment block can move relative to the push block, a roller is fixed on the rotating shaft, and the roller contacts the contact inclined surface. The utility model arranges the adjustment block and the spring so that when the roller contacts the sliding block, the spring can be deformed to absorb the impact, thereby preventing the rotating shaft from bending after receiving the impact, and maintaining full contact between the roller and the sliding block in the subsequent process.

Description

Technical Field

[0001] The utility model relates to the field of angular wedges, in particular to a roller-type angular wedge mechanism with a long service life. Background Art

[0002] In the inclined die mechanism of the stamping die, the force transmission between the driving block and the sliding block is mainly transmitted through surface contact friction. The disadvantages of this are: high noise, high initial pressure, no buffer, and easy to cause noise pollution in the workshop. In order to solve these problems, there is a roller-type inclined wedge mechanism, which changes the surface contact into first contact, thereby reducing noise. However, the roller-type inclined wedge mechanism is mainly subjected to the force of the roller, which makes the roller easy to bend and deform, wear frequently, and has a short service life.

[0003] Therefore, it is necessary for us to improve such a structure to overcome the above-mentioned defects. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a roller-type wedge mechanism with a long service life. The utility model is achieved through the following technical solutions:

[0005] A roller-type wedge mechanism with a long service life comprises a base plate, a slide rail, a sliding block and a pushing block, wherein the base plate is connected to the slide rail, the sliding block is slidably arranged on the base plate, and a contact inclined surface is arranged on the sliding block, the pushing block comprises a rotating shaft and an adjusting block, the rotating shaft is rotatably connected to the adjusting block, the adjusting block can move relative to the pushing block, a roller is fixed on the rotating shaft, and the roller is in contact with the contact inclined surface.

[0006] In the above technical solution: the bottom plate is used to set the remaining components; the slide rail is used to adjust the position of the bottom plate; the sliding block and the contact inclined surface on the sliding block are used to realize the function of the inclined wedge; the pushing block is used to push the sliding block to move; the rotating shaft is used to set the roller shaft and realize the rotation of the roller shaft; the setting of the adjustment block allows the roller shaft to be buffered when it contacts the sliding block, thereby avoiding rigid contact and preventing the rotating shaft from bending and damaging.

[0007] The utility model is further configured as follows: a placement groove is provided on the pushing block, and the adjustment block is slidably arranged in the placement groove.

[0008] In the above technical solution: the placement slot is used to determine the moving direction of the adjustment block.

[0009] The utility model is further configured as follows: a guide rod is arranged on the adjustment block, a guide hole is arranged on the inner wall surface of the placement groove, and the guide rod is slidably connected with the guide hole.

[0010] In the above technical solution: the guide rod is used to set the spring and cooperate with the guide hole to limit the sliding path of the adjustment block; the guide hole cooperates with the guide rod so that the adjustment block will not fall out of the placement groove.

[0011] The utility model is further configured as follows: a spring is sleeved on the guide rod, one end of the spring contacts the inner wall of the placement groove, and the other end contacts the adjustment block.

[0012] In the above technical solution: the spring is used to provide elastic force, so that when the roller shaft contacts the sliding block, the impact can be absorbed by the spring deformation.

[0013] The utility model is further configured as follows: a limiting block is fixedly arranged on the bottom plate.

[0014] In the above technical solution: the limit block is used to limit the limit distance of the sliding block.

[0015] The utility model is further configured as follows: a first slide groove and a second slide groove are provided on the bottom plate, and the first slide groove is slidably connected to the slide rail.

[0016] In the above technical solution: the first slide groove is used to cooperate with the slide rail to achieve a sliding connection.

[0017] The utility model is further configured as follows: a second slide rail is further provided on the sliding block, and the second slide rail is slidably connected to the second slide groove.

[0018] In the above technical solution: the second slide rail is used to cooperate with the second slide groove to achieve a sliding connection.

[0019] The utility model discloses a roller-type wedge mechanism with a long service life. Compared with the prior art:

[0020] 1. The utility model adjusts the block and the spring so that when the roller contacts the sliding block, the spring can be deformed to absorb the impact, thereby preventing the rotating shaft from bending after the impact, and maintaining full contact between the roller and the sliding block in the subsequent process;

[0021] 2. The utility model also limits the extreme position of the movement of the sliding block by setting a limit block. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a side view of the utility model;

[0023] Figure 2 It is a cross-sectional view of the bottom plate of the utility model;

[0024] Figure 3 It is a cross-sectional view of the push block of the utility model.

[0025] The corresponding component names represented by the numbers and letters in the figure are: 10-bottom plate; 101-first slide groove; 102-second slide groove; 20-first slide rail; 30-sliding block; 301-contact inclined plane; 302-second slide rail; 40-pushing block; 401-rotating shaft; 402-adjusting block; 402a-guide rod; 403-roller shaft; 404-placing groove; 404a-guide hole; 50-spring; 60-limiting block. DETAILED DESCRIPTION

[0026] The following is a detailed description of an embodiment of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

[0027] like Figure 1-3 As shown, the utility model proposes a roller-type wedge mechanism with a long service life, comprising a base plate 10, a first slide rail 20, a sliding block 30 and a pushing block 40, wherein the base plate 10 is connected to the first slide rail 20, the sliding block 30 is slidably arranged on the base plate 10, and a contact inclined surface 301 is arranged on the sliding block 30, the pushing block 40 comprises a rotating shaft 401 and an adjusting block 402, the rotating shaft 401 is rotatably connected to the adjusting block 402, the adjusting block 402 can move relative to the pushing block 40, a roller 403 is fixed on the rotating shaft 401, and the roller 403 is in contact with the contact inclined surface 301. Among them, the length of the base plate 10 is smaller than the length of the first slide rail 20; the length of the sliding block 30 is smaller than the length of the base plate 10; the pushing block 40 can move up and down with the main shaft; the angle of the contact inclined surface 301 is 45 degrees, and preferably, an arc surface is connected to the upper end of the contact inclined surface 301, and the arc surface is tangent to the contact inclined surface 301; a clearance hole is provided on the pushing block 40, the rotating shaft 401 passes through the clearance hole, and the roller shaft 403 is provided in the clearance hole, and the diameter of the roller shaft 403 is greater than the depth of the clearance hole.

[0028] like Figure 1-3 As shown, the utility model proposes a roller-type wedge mechanism with a long service life, wherein the pushing block 40 is provided with a placement groove 404, and the adjustment block 402 is slidably arranged in the placement groove 404. The width of the placement groove 404 is consistent with the width of the adjustment block 402.

[0029] like Figure 1-3As shown, the utility model proposes a roller-type wedge mechanism with a long service life, wherein the adjustment block 402 is provided with a guide rod 402a, and the inner wall surface of the placement groove 404 is provided with a guide hole 404a, and the guide rod 402a is slidably connected with the guide hole 404a. The number of the guide rods 402a is two, and the number of the guide holes 404a is also two; the diameter of the guide rod 402a is consistent with the diameter of the guide hole 404a; preferably, the inner wall surface of the placement groove 404 is provided with a third slide groove, and the adjustment block 402 is provided with a third slide rail, and the third slide rail is slidably connected with the third slide groove.

[0030] like Figure 1-3 As shown, the utility model proposes a roller-type wedge mechanism with a long service life, wherein the guide rod 402a is sleeved with a spring 50, one end of the spring 50 contacts the inner wall of the placement groove 404, and the other end contacts the adjustment block 402. Preferably, a spring 50 with a larger stiffness coefficient is selected to prevent the roller 403 from shrinking into the push block 40 when pushing.

[0031] like Figure 1-3 As shown, the utility model proposes a roller-type wedge mechanism with a long service life, and a limit block 60 is fixedly arranged on the bottom plate 10. The limit block 60 is fixedly arranged on a side of the bottom plate 10 away from the push block 40.

[0032] like Figure 1-3 As shown, the utility model proposes a roller-type wedge mechanism with a long service life, wherein the bottom plate 10 is provided with a first slide groove 101 and a second slide groove 102, and the first slide groove 101 is slidably connected with the first slide rail 20. The first slide groove 101 is provided on the bottom surface of the bottom plate 10; and the second slide rail 302 is provided on the top surface of the bottom plate 10.

[0033] like Figure 1-3 As shown, the utility model proposes a roller-type wedge mechanism with a long service life, wherein the sliding block 30 is further provided with a second slide rail 302, and the second slide rail 302 is slidably connected with the second slide groove 102. The second slide rail 302 is provided on the bottom surface of the sliding block 30.

[0034] The working principle of the utility model is:

[0035] a) When the push block descends with the main shaft;

[0036] b) The roller shaft contacts the contact slope of the sliding block, and the spring is deformed under force to avoid rigid contact between the roller shaft and the sliding block;

[0037] c) Push the block to continue to descend;

[0038] d) The spring pushes the roller shaft so that the roller shaft keeps in contact with the push block and moves the push block;

[0039] e) As the push block moves, the roller rolls to change the contact position with the push block.

[0040] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A roller-type wedge mechanism with a long service life, characterized in that: The invention comprises a base plate (10), a first slide rail (20), a sliding block (30) and a pushing block (40); the base plate (10) is connected to the first slide rail (20); the sliding block (30) is slidably arranged on the base plate (10); and a contact inclined surface (301) is arranged on the sliding block (30); the pushing block (40) comprises a rotating shaft (401) and an adjusting block (402); the rotating shaft (401) is rotatably connected to the adjusting block (402); the adjusting block (402) can move relative to the pushing block (40); a roller shaft (403) is fixed on the rotating shaft (401); and the roller shaft (403) is in contact with the contact inclined surface (301).

2. The roller-type cam mechanism with a long service life according to claim 1, characterized in that: The pushing block (40) is provided with a placement groove (404), and the adjustment block (402) is slidably disposed in the placement groove (404).

3. The roller-type cam mechanism with a long service life according to claim 2, characterized in that: The adjustment block (402) is provided with a guide rod (402a), the inner wall surface of the placement groove (404) is provided with a guide hole (404a), and the guide rod (402a) is slidably connected to the guide hole (404a).

4. The roller-type cam mechanism with a long service life according to claim 3, characterized in that: A spring (50) is sleeved on the guide rod (402a), one end of the spring (50) contacts the inner wall of the placement groove (404), and the other end contacts the adjustment block (402).

5. A roller-type cam mechanism with a long service life according to claim 1 or 4, characterized in that: A limiting block (60) is also fixedly arranged on the bottom plate (10).

6. The roller-type cam mechanism with a long service life according to claim 5, characterized in that: A first sliding groove (101) and a second sliding groove (102) are provided on the bottom plate (10), and the first sliding groove (101) is slidably connected to the first sliding rail (20).

7. The roller-type cam mechanism with a long service life according to claim 6, characterized in that: The sliding block (30) is also provided with a second sliding rail (302), and the second sliding rail (302) is slidably connected to the second sliding groove (102).

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