An elastic chamfering tool

Abstract

The utility model discloses an elastic chamfering device, specifically relates to the technical field of elastic chamfering devices, including a fixed mandrel, a tool chuck is provided on one side of the fixed mandrel, an external mandrel is sleeved on the outer wall of the fixed mandrel, a jacket is sleeved on the outer wall of the external mandrel, an annular mounting groove is opened on the outer wall surface of the jacket, a pressure adjustment sleeve is sleeved in the annular mounting groove, a first compression spring is provided inside the pressure adjustment sleeve, the first compression spring is sleeved on the outer side of the external mandrel, and an adjustment screw is provided on the side of the jacket away from the tool chuck. The utility model supports the fixed mandrel and the tool chuck through the second compression spring. When the tool chamfers an irregularly shaped part, the tool chuck and the fixed mandrel squeeze the second compression spring, thereby realizing the automatic extension and retraction of the tool chuck to adjust the chamfer size, and does not need to be frequently replaced, thereby improving production efficiency. At the same time, the external mandrel and the jacket play a protective role, and are safer and more reliable when used.

Description

Technical Field

[0001] The utility model relates to the technical field of elastic chamfering tools, in particular to an elastic chamfering tool. Background Art

[0002] A chamfer is a tool used to create a bevel on the edge of a workpiece, a process called chamfering. Chamfers are often done to improve the appearance of a workpiece, to make it safer, or to meet certain process requirements. Chamfers are commonly used in metalworking, woodworking, and other manufacturing industries, and they can also be used in restoration work, such as restoring the edges of car bodies or furniture. When choosing the right chamfer, consider factors such as the material and size of the workpiece, the size and shape of the chamfer required, and production volume.

[0003] For example, the prior art publication number is CN220838238U, which is a chamfering tool. The utility model has a reasonable structure, is practical and reliable, and through the design of a split tool handle, a tool disc and a chamfering blade, when a part is damaged, only the corresponding part needs to be replaced without replacing the entire part, thus reducing maintenance costs.

[0004] However, the above-mentioned prior art still has the following problems when in use: the position of the chamferer is fixed during use, so when chamfering irregularly shaped parts, the chamfer size cannot be automatically adjusted, and the position of the chamferer needs to be adjusted and the chamferer needs to be replaced before chamfering. The installation and disassembly of the chamferer takes a lot of time, which reduces production efficiency. Based on this, the utility model provides an elastic chamferer that can automatically extend and retract to adjust the chamfer size. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an elastic chamfering tool, which supports the fixed core shaft and the tool chuck through a second compression spring. When the tool chamfers irregularly shaped parts, the tool chuck and the fixed core shaft squeeze the second compression spring, so that the tool chuck can automatically extend and retract to adjust the chamfer size without the need for frequent replacement, thereby improving production efficiency. At the same time, the external core shaft and the outer sleeve are used for protection, which is safer and more reliable when used, thereby solving the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elastic chamfering device comprises a fixed spindle, a tool chuck is provided on one side of the fixed spindle, an external spindle is sleeved on the outer wall of the fixed spindle, an outer sleeve is sleeved on the outer wall of the external spindle, an annular mounting groove is opened on the outer wall surface of the outer sleeve, a pressure adjustment sleeve is sleeved in the annular mounting groove, a first compression spring is provided inside the pressure adjustment sleeve, the first compression spring is sleeved on the outside of the external spindle, an adjusting screw is provided on the side of the outer sleeve away from the tool chuck, a second compression spring is sleeved on the outer wall of the adjusting screw close to one end of the fixed spindle, the adjusting screw plays a guiding role in the second compression spring, thereby improving the stability of the second compression spring during use and avoiding the deviation of the second compression spring, the second compression spring is in contact with the fixed spindle at one end away from the adjusting screw, and the fixed spindle is supported by the second compression spring, thereby realizing automatic extension and retraction of the fixed spindle.

[0007] In a preferred embodiment, a ring is fixedly provided on one end of the first compression spring and the pressure adjustment sleeve, and the ring is sleeved on the outside of the external core shaft and in contact with the outer sleeve. The pressure adjustment sleeve is limited by the first compression spring and the ring, which can improve the stability of the movement of the pressure adjustment sleeve.

[0008] In a preferred embodiment, a first thread groove is processed on the inner wall surface of one side of the outer sleeve, and the adjusting screw is arranged in the first thread groove and threadedly connected to the first thread groove, so that the staff can easily disassemble and assemble the adjusting screw.

[0009] In a preferred embodiment, a sealing ring is provided on the outer wall of the adjusting screw, and the sealing ring is provided between the adjusting screw and the external core shaft to improve the sealing between the adjusting screw and the external core shaft.

[0010] In a preferred embodiment, the sealing ring is made of rubber material. The sealing ring made of rubber material is soft. When the sealing ring is squeezed between the adjusting screw, the external core shaft and the outer sleeve, the sealing ring can improve the sealing effect of the sealing ring.

[0011] In a preferred embodiment, the inner wall surface of the annular installation groove and the inner wall surface of the pressure adjustment sleeve are both processed with a second thread groove, and the pressure adjustment sleeve is threadedly connected to the annular installation groove, which is convenient for workers to adjust the pressure adjustment sleeve.

[0012] In a preferred embodiment, an indicator plate is fixedly provided on the outer wall surface of the pressure adjustment sleeve, and the cross section of the indicator plate is set to be triangular, so that the staff can easily judge the direction of the pressure adjustment sleeve.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model supports the fixed mandrel and the tool chuck through the second compression spring. When the tool chamfers an irregularly shaped part, the tool chuck and the fixed mandrel squeeze the second compression spring, so that the tool chuck can automatically extend and retract to adjust the chamfer size without the need for frequent replacement, thereby improving production efficiency. At the same time, the external mandrel and the outer sleeve play a protective role, and are safer and more reliable when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0017] Figure 3 This is a structural diagram of the adjusting screw, the second compression spring and the sealing ring of the utility model;

[0018] Figure 4 It is a side view of the pressure adjustment sleeve and the outer sleeve of the utility model;

[0019] Figure 5 It is a cross-sectional view of the pressure adjustment sleeve of the utility model.

[0020] The accompanying drawings are marked as follows: 1. fixed spindle; 2. tool chuck; 3. external spindle; 4. outer sleeve; 5. annular mounting groove; 6. pressure adjustment sleeve; 7. first compression spring; 8. adjusting screw; 9. second compression spring; 10. collar; 11. first thread groove; 12. sealing ring; 13. second thread groove; 14. indicator plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Refer to the instruction manual Figure 1-5 The utility model provides an elastic chamfering device, including a fixed mandrel 1, a tool chuck 2 is provided on one side of the fixed mandrel 1, an outer mandrel 3 is sleeved on the outer wall of the fixed mandrel 1, a jacket 4 is sleeved on the outer wall of the outer mandrel 3, an annular mounting groove 5 is provided on the outer wall surface of the jacket 4, a pressure adjustment sleeve 6 is sleeved in the annular mounting groove 5, a first compression spring 7 is provided inside the pressure adjustment sleeve 6, and the first compression spring 7 is sleeved on the outer side of the outer mandrel 3;

[0023] Next, an adjusting screw 8 is provided on the side of the outer sleeve 4 away from the tool chuck 2, and a second compression spring 9 is sleeved on the outer wall of the end of the adjusting screw 8 close to the fixed mandrel 1, and the end of the second compression spring 9 away from the adjusting screw 8 is in contact with the fixed mandrel 1, and the fixed mandrel 1 is supported by the second compression spring 9, so that the fixed mandrel 1 can be automatically extended and retracted;

[0024] The inner wall surface of one side of the outer sleeve 4 is processed with a first thread groove 11, and the adjusting screw 8 is arranged in the first thread groove 11 and is threadedly connected to the first thread groove 11, which is convenient for the staff to disassemble and install the adjusting screw 8, and the inner wall surface of the annular mounting groove 5 and the inner wall surface of the pressure adjustment sleeve 6 are processed with a second thread groove 13, and the pressure adjustment sleeve 6 is threadedly connected to the annular mounting groove 5, which is convenient for the staff to adjust the pressure adjustment sleeve 6;

[0025] In addition, an indicator plate 14 is fixedly provided on the outer wall surface of the pressure adjustment sleeve 6 , and the cross section of the indicator plate 14 is set to be triangular, so that the staff can judge the direction of the pressure adjustment sleeve 6 easily.

[0026] During use, the staff fixes the tool into the tool chuck 2. Since there is a gap between the fixed core shaft 1 and the adjusting screw 8, when the tool chamfers parts with irregular shapes, blanks, etc., the tool chuck 2 and the fixed core shaft 1 squeeze the second compression spring 9. The second compression spring 9 plays a supporting role. The tool chuck 2 and the fixed core shaft 1 can automatically extend and retract to adjust the chamfer size. There is no need for frequent replacement, which can improve production efficiency. At the same time, the external core shaft 3 and the outer sleeve 4 play a protective role, which is safer and more reliable when used. A first compression spring 7 and a ring 10 are provided between the pressure adjustment sleeve 6 and the outer sleeve 4 to facilitate the adjustment of the pressure.

[0027] Refer to the instruction manual Figure 1-5 The first compression spring 7 and one end of the pressure adjustment sleeve 6 are fixedly provided with a collar 10, the collar 10 is sleeved on the outside of the external core shaft 3, and the collar 10 is in contact with the outer sleeve 4, and the outer wall of the adjusting screw 8 is sleeved with a sealing ring 12, the sealing ring 12 is arranged between the adjusting screw 8 and the external core shaft 3, and is used to improve the sealing between the adjusting screw 8 and the external core shaft 3;

[0028] The sealing ring 12 is made of rubber material. The sealing ring 12 made of rubber material is soft. When the sealing ring 12 is squeezed between the adjusting screw 8, the external core shaft 3 and the outer sleeve 4, the sealing ring 12 can improve the sealing effect of the sealing ring 12.

[0029] A sealing ring 12 is sleeved on the outside of the adjusting screw 8. The sealing ring 12 is made of rubber. When the adjusting screw 8 contacts the external core shaft 3, the sealing ring 12 is squeezed. Therefore, the sealing ring 12 can improve the sealing between the adjusting screw 8 and the external core shaft 3 and the outer sleeve 4.

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An elastic chamfering device, characterized in that: The invention comprises a fixed mandrel (1), a tool chuck (2) is provided on one side of the fixed mandrel (1), an external mandrel (3) is sleeved on the outer wall of the fixed mandrel (1), an outer sleeve (4) is sleeved on the outer wall of the external mandrel (3), an annular mounting groove (5) is provided on the outer wall surface of the outer sleeve (4), and a pressure adjustment sleeve (6) is sleeved inside the annular mounting groove (5); A first compression spring (7) is provided inside the pressure adjustment sleeve (6), and the first compression spring (7) is sleeved on the outside of the external core shaft (3); An adjusting screw (8) is provided on the side of the outer sleeve (4) away from the tool chuck (2); a second compression spring (9) is sleeved on the outer wall of one end of the adjusting screw (8) close to the fixed core shaft (1); and one end of the second compression spring (9) away from the adjusting screw (8) is in contact with the fixed core shaft (1).

2. The elastic chamfering tool according to claim 1, characterized in that: A collar (10) is fixedly provided on one end of the first compression spring (7) and the pressure adjustment sleeve (6); the collar (10) is sleeved on the outside of the external core shaft (3), and the collar (10) is in contact with the outer sleeve (4).

3. The elastic chamfering tool according to claim 1, characterized in that: A first thread groove (11) is processed on the inner wall surface of one side of the outer sleeve (4), and the adjusting screw (8) is arranged in the first thread groove (11) and is threadably connected to the first thread groove (11), so as to facilitate the removal of the adjusting screw (8).

4. The elastic chamfering tool according to claim 1, characterized in that: The outer wall of the adjusting screw (8) is sleeved with a sealing ring (12), and the sealing ring (12) is arranged between the adjusting screw (8) and the external core shaft (3) to improve the sealing performance between the adjusting screw (8) and the external core shaft (3).

5. The elastic chamfering tool according to claim 4, characterized in that: The sealing ring (12) is made of rubber material and is used to improve the sealing performance of the sealing ring (12).

6. The elastic chamfering tool according to claim 1, characterized in that: The inner wall surface of the annular mounting groove (5) and the inner wall surface of the pressure adjustment sleeve (6) are both processed with a second thread groove (13), and the pressure adjustment sleeve (6) is threadedly connected to the annular mounting groove (5), so as to facilitate the adjustment of the pressure adjustment sleeve (6).

7. The elastic chamfering tool according to claim 1, characterized in that: An indicator plate (14) is fixedly provided on the outer wall surface of the pressure adjustment sleeve (6), and the cross section of the indicator plate (14) is arranged in a triangular shape.

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