Aluminum material cutting device for door and window machining

By designing an aluminum cutting device for door and window processing, including cutting components, adjustment components and burr removal components, the problem of not being able to automatically handle burrs in the prior art is solved, and the precise cutting and burr removal of aluminum is achieved, which improves the operation Convenience and safety.

CN119407539AInactive Publication Date: 2025-02-11TIANJIN HONGTUOLAI TECH DEV CO LTD
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Patent Information

Application Number
CN202411492898.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-02-11
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing aluminum cutting devices cannot automatically handle the burrs generated after cutting, which affects the surface quality of the aluminum material and poses safety risks.

Method used

An aluminum cutting device for door and window processing is designed, including cutting components, adjustment components and burr removal components. The cutting assembly is cut by a motor-driven cutting knife, and the adjustment assembly realizes precise positioning and cutting of aluminum through the cylinder and guide rail. The burr removal assembly strengthens the removal of burrs through the micro-vibration of the large, pinion gear and mounting disk.

Benefits of technology

It realizes accurate cutting of aluminum and effective removal of burrs, improves operation convenience and safety, and ensures the surface quality of the cut aluminum and the working environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of aluminum material cutting, and discloses an aluminum material cutting device for door and window processing, comprising: a workbench, the top surface of the middle part of which is provided with a notch; the cutting assembly is arranged below the workbench and at the position of a notch in the top face of the workbench; the adjusting assembly is arranged on the right side of the cutting assembly, and the adjusting assembly is installed on the top face of the right end of the workbench; and the burr removing assembly is connected with the cutting assembly, and the burr removing assembly is arranged at the position below the workbench and the position of the notch in the top face of the workbench. Connecting columns are fixedly installed at the bottoms of the four corners of the workbench. According to the aluminum material edge deburring device, the deburring assembly can be immediately put into work after cutting operation, fine deburring treatment is carried out on the edge of a cut aluminum material, and the design effectively avoids accidental injuries possibly caused by sharp burrs to workers, so that the safety of the working environment and the smoothness of the working process are ensured.
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Description

Technical Field

[0001] The invention relates to the technical field of aluminum material cutting, in particular to an aluminum material cutting device for door and window processing. Background Art

[0002] In the processing and manufacturing process of doors and windows, aluminum cutting is a crucial link. Aluminum, with its light weight, excellent corrosion resistance and high machinability, has become a popular material in the door and window manufacturing industry. According to the diversity and specific specifications of door and window designs, aluminum must be precisely measured and cut to ensure that the final product can accurately meet the manufacturing requirements and achieve a perfect combination of functionality and aesthetics of doors and windows.

[0003] After the existing aluminum cutting device completes the cutting operation, there is a significant defect that it cannot automatically and effectively deal with the burrs generated on the cutting edge. These untreated burrs not only affect the surface quality of the aluminum material, but also may pose a safety hazard to the subsequent operators, increasing the risk of accidental scratches or injuries.

[0004] Therefore, it is necessary to design a practical aluminum cutting device for door and window processing. Summary of the invention

[0005] The object of the present invention is to provide an aluminum material cutting device for door and window processing to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: an aluminum material cutting device for door and window processing, comprising:

[0007] A workbench, the top surface of which has a cutout in the middle;

[0008] A cutting assembly is arranged below the workbench and at a cutout on the top surface of the workbench;

[0009] An adjusting component is arranged on the right side of the cutting component, and the adjusting component is installed on the top surface of the right end of the workbench;

[0010] The burr removal component is connected to the cutting component and is arranged below the workbench and at the incision on the top surface of the workbench.

[0011] According to the above technical solution, connecting columns are fixedly installed at the bottom of the four corners of the workbench, connecting frames are fixedly installed at the bottom ends of the four connecting columns, brackets are fixedly installed at the bottom of the connecting frames, and a cross frame is fixedly installed between every two adjacent brackets. Through the coordination between the connecting columns, the connecting frames, and the brackets, the workbench can be stably supported, thereby stabilizing the entire device.

[0012] According to the above technical solution, an auxiliary plate is fixedly installed on the top surface of the workbench. There are two auxiliary plates, which are symmetrically distributed in the front and rear positions of the incision on the top surface of the workbench. The two auxiliary plates can support the aluminum material, thereby facilitating the cutting of the aluminum material.

[0013] According to the above technical solution, the cutting assembly includes:

[0014] The motor is arranged below the workbench;

[0015] One end of the rotating shaft is fixedly installed with the output end of the motor, and a cutting knife is fixedly installed on the outer wall of the rotating shaft away from the end of the motor, and the cutting knife is located at the incision position of the workbench.

[0016] According to the above technical solution, the lower surface of the motor is fixedly installed with a first cross frame and a second cross frame, and the first cross frame and the second cross frame are fixedly installed with the inner side surface of the connecting frame. The installed first cross frame and the second cross frame can provide a stable support for the motor, thereby facilitating the normal operation of the motor.

[0017] According to the above technical solution, the adjustment component includes:

[0018] A guide rail, the bottom surface of which is fixedly mounted on the top surface of the right end of the workbench, and the guide rail is slidably provided with a slider;

[0019] A first cylinder is fixedly mounted on the top surface of the slider, a mounting plate is fixedly mounted on one end of the first cylinder, and a clamp for clamping the aluminum material is fixedly mounted on the side of the mounting plate;

[0020] The second cylinder is fixedly mounted on the top surface of the front end of the guide rail, a connecting rod is fixedly mounted on one end of the second cylinder, and an end of the connecting rod away from the second cylinder is fixedly mounted on the front side of the slider.

[0021] According to the above technical solution, the burr removal component includes:

[0022] A large gear is fixedly mounted on the outer wall of the rotating shaft;

[0023] A small gear is meshed with the large gear;

[0024] The outer wall of the rear end of the connecting shaft is fixedly mounted on the inner wall of the pinion gear, and the front end of the connecting shaft is rotatably provided with a horizontal plate through a bearing, and the bottom of the horizontal plate is fixedly mounted on the top surface of the second horizontal frame;

[0025] A mounting plate, movably sleeved on the outer wall of the connecting shaft, the inner wall of the mounting plate is provided with an inner rectangular groove, a block body is slidably provided on the inner rectangular groove, and the block body is fixedly sleeved on the outer wall of the connecting shaft;

[0026] The front grinding plate and the rear grinding plate are both slidably arranged with the mounting plate, and the front grinding plate and the rear grinding plate are connected and arranged through a connecting component.

[0027] According to the above technical solution, a first spring is fixedly installed on the end face of the block body, and the first spring is fixedly installed on the inner wall of the inner rectangular groove at one end away from the block body. The first spring can be set to achieve micro-vibration of the mounting plate during the rotation of the mounting plate, so that it reciprocates, so that the front grinding plate and the rear grinding plate have a reciprocating motion tendency, thereby strengthening the burr treatment of the aluminum material after cutting.

[0028] According to the above technical solution, the connecting component includes:

[0029] The outer wall of the connecting column is fixedly installed with the inner wall of the circular opening opened on the surface of the mounting plate;

[0030] A slide rod is slidably arranged with a slide groove provided on the outer wall of the connecting column, and one end of the slide rod is fixedly installed with the surface of the front grinding plate, which is consistent with the installation method of the rear grinding plate;

[0031] The second spring is arranged in the slide groove, one end of the second spring is fixedly installed on the inner wall of the slide groove, and the other end of the second spring is fixedly installed on the end face of the slide rod. Through the arranged connection part, micro-vibration can be achieved during the grinding process of the front grinding plate and the rear grinding plate, so as to shake off the burrs attached to the surface by grinding, so as to avoid affecting the later grinding efficiency.

[0032] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0033] 1. The present invention can perform cutting operations on aluminum materials through the provided cutting components, and with the flexible cooperation of the adjusting components, it can realize precise cutting processing of different positions of the aluminum materials. This design can be flexibly adjusted according to actual needs, which not only improves the convenience of operation, but also ensures the flexibility and accuracy of the cutting work.

[0034] 2. The present invention, through the provision of a deburring component, can be put into operation immediately after the cutting operation, and the edges of the cut aluminum materials can be carefully deburred. This design effectively avoids accidental injuries to the workers caused by sharp burrs, thereby ensuring the safety of the working environment and the smoothness of the working process.

[0035] 3. The present invention, through the setting of the slider and the inner rectangular groove, can make the installation plate have an active movement tendency during the rotation process, and then with the cooperation of the first spring, the installation plate can have a micro-vibration, so that the installation plate can have a reciprocating movement tendency, which is convenient for strengthening the grinding work of the front grinding plate and the grinding plate.

[0036] 4. The present invention, through the well-designed connecting column, sliding rod and cleverly configured second spring, endows the front grinding plate and the rear grinding plate with a micro-vibration function during the grinding operation. The innovation of this design is that it can produce a subtle vibration effect during the grinding process, effectively shaking off the debris attached to the surface of the aluminum material. This micro-vibration effect not only ensures the continuous cleaning of the grinding surface, but also avoids the problem of uneven grinding or reduced efficiency that may be caused by the accumulation of debris, thereby ensuring the consistency and high quality of the later grinding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0038] Figure 1 It is a schematic diagram of the overall three-dimensional structure of an aluminum material cutting device for door and window processing of the present invention;

[0039] Figure 2 The invention discloses an aluminum material cutting device for door and window processing. Figure 1 Schematic diagram of the elevation structure;

[0040] Figure 3 It is a schematic diagram of the structure of a burr removal component in an aluminum material cutting device for door and window processing of the present invention;

[0041] Figure 4 It is a schematic diagram of the partial exploded structure of a mounting plate in an aluminum material cutting device for door and window processing of the present invention;

[0042] Figure 5 It is a schematic diagram of the exploded structure of the connecting parts in an aluminum material cutting device for door and window processing of the present invention;

[0043] Figure 6 The invention discloses a half-section structural schematic diagram of a mounting plate in an aluminum material cutting device for door and window processing.

[0044] In the figure:

[0045] 1. Workbench; 2. Connecting column; 3. Connecting frame; 4. Bracket; 5. First horizontal frame; 6. Second horizontal frame; 7. Horizontal board; 8. Auxiliary board;

[0046] 9. Cutting assembly; 91. Motor; 92. Rotating shaft; 93. Cutting knife;

[0047] 10. Adjustment assembly; 101. Guide rail; 102. First cylinder; 103. Mounting plate; 104. Second cylinder; 105. Connecting rod; 106. Sliding block;

[0048] 11. burr removal assembly; 111. large gear; 112. small gear; 113. connecting shaft; 114. mounting plate; 115. front grinding plate; 116. rear grinding plate; 117. connecting component; 118. block body; 119. first spring; 1120. inner rectangular groove;

[0049] 1171. Connecting column; 1172. Sliding groove; 1173. Sliding rod; 1174. Second spring. DETAILED DESCRIPTION

[0050] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] Example 1: Please refer to Figure 1-6 The present invention provides a technical solution: an aluminum material cutting device for door and window processing, comprising:

[0052] The workbench 1 has a cutout on the top surface in the middle. Connecting columns 2 are fixedly installed at the bottom of the four corners of the workbench 1. Connecting frames 3 are fixedly installed at the bottom ends of the four connecting columns 2. Brackets 4 are fixedly installed at the bottom of the connecting frames 3. A cross frame is fixedly installed between each two adjacent brackets 4. The cooperation between the connecting columns 2, the connecting frames 3, and the brackets 4 can provide a stable support for the workbench 1, thereby stabilizing the entire device. An auxiliary plate 8 is fixedly installed on the top surface of the workbench 1. There are two auxiliary plates 8. The two auxiliary plates 8 are symmetrically distributed in front and rear positions of the cutout on the top surface of the workbench 1. The two auxiliary plates 8 can support the aluminum material, which is convenient for cutting the aluminum material.

[0053] The cutting assembly 9 is arranged below the workbench 1 and at the cutout on the top surface of the workbench 1;

[0054] The adjusting assembly 10 is arranged on the right side of the cutting assembly 9, and the adjusting assembly 10 is installed on the top surface of the right end of the workbench 1;

[0055] The burr removal assembly 11 is connected to the cutting assembly 9 and is arranged below the workbench 1 and at the incision on the top surface of the workbench 1 .

[0056] The cutting assembly 9 comprises:

[0057] The motor 91 is arranged below the workbench 1;

[0058] One end of the rotating shaft 92 is fixedly mounted to the output end of the motor 91 , and a cutting knife 93 is fixedly mounted on the outer wall of the rotating shaft 92 away from the motor 91 . The cutting knife 93 is located at the incision position of the workbench 1 .

[0059] In the specific implementation process, after starting the motor 91, its power drives the rotating shaft 92 to rotate rapidly, thereby driving the cutting knife 93 to rotate flexibly. This series of actions is precise and efficient. The cutting knife 93 can easily achieve precise cutting of aluminum with its sharp blade. The whole process is both quick and reliable.

[0060] In this embodiment, the lower surface of the motor 91 is fixedly installed with a first cross frame 5 and a second cross frame 6, and the first cross frame 5 and the second cross frame 6 are fixedly installed on the inner side surface of the connecting frame 3. The installed first cross frame 5 and the second cross frame 6 can provide a stable support for the motor 91, thereby facilitating the normal operation of the motor 91.

[0061] Example 2: Based on the above embodiment, the adjustment component 10 includes:

[0062] The bottom surface of the guide rail 101 is fixedly mounted on the top surface of the right end of the workbench 1, and the guide rail 101 is slidably provided with a slider 106;

[0063] The first cylinder 102 is fixedly mounted on the top surface of the slider 106, a mounting plate 103 is fixedly mounted on one end of the first cylinder 102, and a clamp for clamping aluminum material is fixedly mounted on the side of the mounting plate 103 (the clamp is not shown in the figure);

[0064] The second cylinder 102 is fixedly mounted on the top surface of the front end of the guide rail 101 , and a connecting rod 105 is fixedly mounted on one end of the second cylinder 102 . The end of the connecting rod 105 away from the second cylinder 102 is fixedly mounted on the front side of the slider 106 .

[0065] In the implementation process, through the precise control of the first cylinder 102, the clamped aluminum material can be moved smoothly and accurately until it reaches the optimal cutting position of the cutting knife 93. Then, the second cylinder 104 plays its role and drives the slider 106 to move delicately. This process is like a fine-tuning master, making the final precise adjustment to the position of the aluminum material. In this way, no matter where the aluminum material is, it can be accurately positioned, thereby achieving precise cutting of its different parts. The whole process is both efficient and flexible.

[0066] Example 3: Based on the above embodiment, the burr removal assembly 11 includes:

[0067] The large gear 111 is fixedly mounted on the outer wall of the rotating shaft 92;

[0068] A small gear 112 is meshed with the large gear 111;

[0069] The outer wall of the rear end of the connecting shaft 113 is fixedly mounted to the inner wall of the pinion 112, and the front end of the connecting shaft 113 is rotatably provided with a transverse plate 10 through a bearing, and the bottom of the transverse plate 10 is fixedly mounted to the top surface of the second transverse frame 6;

[0070] The mounting plate 113 is movably sleeved on the outer wall of the connecting shaft 113. The inner wall of the mounting plate 113 is provided with an inner rectangular groove 1120. The inner rectangular groove 1120 is slidably provided with a block body 118. The block body 118 is fixedly sleeved on the outer wall of the connecting shaft 113.

[0071] The front grinding plate 115 and the rear grinding plate 116 are both slidably arranged with the mounting plate 114 , and the front grinding plate 115 and the rear grinding plate 116 are connected with each other via a connecting component 117 .

[0072] In the specific implementation process, the large gear 111 rotates along with the rotating shaft 92, and then the small gear 112 rotates. The rotation of the small gear 112 can make the connecting shaft 113 rotate. Due to the setting of the block body 118, the mounting plate 114 will also rotate together. Then, under the setting of the connecting component 117, the front grinding plate 115 and the rear grinding plate 116 can be rotated to achieve deburring of the cut aluminum material.

[0073] In this embodiment, a first spring 119 is fixedly installed on the end face of the block body 118, and one end of the first spring 119 away from the block body 118 is fixedly installed on the inner wall of the inner rectangular groove 1120. The first spring 119 can be set to achieve micro-vibration of the mounting plate 113 during the rotation process of the mounting plate 113, so that it can reciprocate, so that the front grinding plate 115 and the rear grinding plate 116 have a reciprocating motion tendency, thereby strengthening the burr treatment of the aluminum material after cutting.

[0074] Furthermore, the connecting component 117 includes:

[0075] The outer wall of the connecting column 1171 is fixedly mounted on the inner wall of the circular opening opened on the surface of the mounting plate 114;

[0076] The slide bar 1173 is slidably arranged with the slide groove 1172 provided on the outer wall of the connecting column 1171, and one end of the slide bar 1173 is fixedly installed with the surface of the front grinding plate 115, which is consistent with the installation method of the rear grinding plate 116;

[0077] The second spring 1174 is disposed in the slide groove 1172 , one end of the second spring 1174 is fixedly mounted to the inner wall of the slide groove 1172 , and the other end of the second spring 1174 is fixedly mounted to the end surface of the slide rod 1173 .

[0078] Working principle: First, the aluminum material to be cut is firmly clamped by a precision fixture, and then the first cylinder 102 and the second cylinder 104 are started. The two cylinders work together to accurately adjust the aluminum material. During this process, the aluminum material is pushed by the first cylinder and moves smoothly between the two auxiliary plates 8 until it passes through the cutting knife 93. As the motor 91 is started, the cutting knife 93 rotates rapidly to accurately complete the cutting operation of the aluminum material. At the same time, the large gear 111 rotates with the rotation of the rotating shaft 92, thereby driving the small gear 112 to rotate. The rotation of the small gear 112 drives the rotation of the connecting shaft 113, and the block body 118 on the connecting shaft 113 is designed so that the mounting plate 114 presents a kind of active movement during the rotation process. This design greatly enhances the grinding force of the front grinding plate 115 and the rear grinding plate 116 on the surface of the aluminum material after cutting. What is more clever is that the combination of the slide bar 1173 and the second spring 1174 makes the front grinding plate 115 and the rear grinding plate 116 produce a reciprocating extrusion effect during the grinding process. Since the entire system rotates 360°, the front grinding plate 115 and the rear grinding plate 116 vibrate continuously during the rotation. This vibration effect effectively shakes the debris generated during the grinding process off the surface of the grinding plate, thereby avoiding the influence of the debris on the grinding effect and ensuring the smoothness and cleanliness of the aluminum surface.

[0079] 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.

[0080] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An aluminum material cutting device for door and window processing, characterized in that: include: The workbench (1) has a cutout on the top surface in the middle; A cutting assembly (9) is arranged below the workbench (1) and at a cutout on the top surface of the workbench (1); An adjusting component (10) is arranged on the right side of the cutting component (9), and the adjusting component (10) is installed on the top surface of the right end of the workbench (1); The burr removal component (11) is connected to the cutting component (9), and the burr removal component (11) is arranged below the workbench (1) and at the incision on the top surface of the workbench (1).

2. The aluminum material cutting device for door and window processing according to claim 1 is characterized in that: The bottom of the four corners of the workbench (1) is fixedly mounted with connecting columns (2), the bottom ends of the four connecting columns (2) are fixedly mounted with connecting frames (3), the bottom of the connecting frames (3) is fixedly mounted with brackets (4), and a cross frame is fixedly mounted between every two adjacent brackets (4).

3. The aluminum material cutting device for door and window processing according to claim 2 is characterized in that: An auxiliary plate (8) is fixedly mounted on the top surface of the workbench (1), and the number of the auxiliary plates (8) is two. The two auxiliary plates (8) are symmetrically distributed in front and rear positions of the cutout on the top surface of the workbench (1).

4. The aluminum material cutting device for door and window processing according to claim 3 is characterized in that: The cutting assembly (9) comprises: A motor (91) is arranged below the workbench (1); One end of the rotating shaft (92) is fixedly mounted to the output end of the motor (91), and a cutting knife (93) is fixedly mounted on the outer wall of the rotating shaft (92) away from the end of the motor (91), and the cutting knife (93) is located at the incision position of the workbench (1).

5. The aluminum material cutting device for door and window processing according to claim 4 is characterized in that: A first horizontal frame (5) and a second horizontal frame (6) are respectively fixedly mounted on the lower surface of the motor (91), and the first horizontal frame (5) and the second horizontal frame (6) are both fixedly mounted on the inner side surface of the connecting frame (3).

6. The aluminum material cutting device for door and window processing according to claim 5, characterized in that: The adjustment component (10) comprises: A guide rail (101), the bottom surface of which is fixedly mounted on the top surface of the right end of the workbench (1), and the guide rail (101) is slidably provided with a slider (106); A first cylinder (102) is fixedly mounted on the top surface of the slider (106), a mounting plate (103) is fixedly mounted on one end of the first cylinder (102), and a clamp for clamping aluminum material is fixedly mounted on the side of the mounting plate (103); The second cylinder (102) is fixedly mounted on the top surface of the front end of the guide rail (101), and a connecting rod (105) is fixedly mounted on one end of the second cylinder (102). The end of the connecting rod (105) away from the second cylinder (102) is fixedly mounted on the front side of the slider (106).

7. The aluminum material cutting device for door and window processing according to claim 6, characterized in that: The burr removal assembly (11) comprises: A large gear (111) is fixedly mounted on the outer wall of the rotating shaft (92); A small gear (112) is meshed with the large gear (111); A connecting shaft (113), the outer wall of the rear end of which is fixedly mounted on the inner wall of the pinion gear (112), a transverse plate (10) is rotatably arranged at the front end of the connecting shaft (113) via a bearing, and the bottom of the transverse plate (10) is fixedly mounted on the top surface of the second transverse frame (6); A mounting plate (113) is movably sleeved on the outer wall of the connecting shaft (113); the inner wall of the mounting plate (113) is provided with an inner rectangular groove (1120); a block body (118) is slidably provided in the inner rectangular groove (1120); and the block body (118) is fixedly sleeved on the outer wall of the connecting shaft (113); The front grinding plate (115) and the rear grinding plate (116) are both slidably arranged with the mounting plate (114), and the front grinding plate (115) and the rear grinding plate (116) are connected by a connecting component (117).

8. The aluminum material cutting device for door and window processing according to claim 7, characterized in that: A first spring (119) is fixedly mounted on the end surface of the block body (118), and one end of the first spring (119) away from the block body (118) is fixedly mounted on the inner wall of the inner rectangular groove (1120).

9. The aluminum material cutting device for door and window processing according to claim 8, characterized in that: The connecting component (117) comprises: The outer wall of the connecting column (1171) is fixedly mounted on the inner wall of a circular opening opened on the surface of the mounting plate (114); A slide bar (1173) is slidably arranged with a slide groove (1172) provided on the outer wall of the connecting column (1171), and one end of the slide bar (1173) is fixedly installed with the surface of the front grinding plate (115), which is consistent with the installation method of the rear grinding plate (116); The second spring (1174) is arranged in the slide groove (1172), one end of the second spring (1174) is fixedly installed on the inner wall of the slide groove (1172), and the other end of the second spring (1174) is fixedly installed on the end surface of the slide rod (1173).