A clamping fixture for gear shaft machining
By designing clamping and cleaning mechanisms for the clamping fixture, and utilizing airflow and scraping components to clean debris during gear shaft machining, the problems of unstable clamping and unclean table surface are solved, achieving stable clamping and clean machining.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHEUNG SHING PRECISION IND LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-06-30
AI Technical Summary
Traditional gear shaft machining clamping equipment tends to accumulate debris during clamping, affecting clamping stability and the cleanliness of the machining table.
A gear shaft machining clamping fixture including a clamping mechanism and a cleaning mechanism was designed. The clamping plate and piston plate are driven by an electric telescopic rod to spray airflow to clean up debris, and the clamping table is further cleaned by a scraping component and a limiting component.
It effectively cleans debris from the clamping table, ensuring the stability of gear shaft clamping and the cleanliness of the machining table, thereby improving machining efficiency.
Smart Images

Figure CN224425298U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of gear shaft machining, and in particular to a gear shaft machining clamping fixture. Background Technology
[0002] As a core component of mechanical transmission systems, the processing technology of gear shafts directly affects the performance and lifespan of equipment. Traditional gear shaft processing relies on manually controlled machine tools or imitation of foreign equipment, which is costly and inefficient. With industrial development, the requirements for the strength, precision, and wear resistance of gear shafts are constantly increasing. For example, in fields such as engineering machinery and automotive transmission, they need to withstand high torque, high-speed operation, and complex loads, which poses higher challenges to the mechanical properties of materials and processing technology. The process often adopts normalizing treatment and turning. However, during the processing of gear shafts, clamping equipment is required to hold them in place for subsequent processing.
[0003] However, during the clamping and processing of the gear shaft, the clamping point of the clamping device is affected by the processing of the gear shaft, which makes it easy for a lot of debris generated during processing to accumulate at the clamping point. This causes the subsequent gear shafts to be processed to be affected by the debris during clamping, thus failing to guarantee the stability of the clamping and also affecting the cleanliness of the processing table. Utility Model Content
[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.
[0005] In view of the problems existing in the existing gear shaft machining clamping fixtures, this utility model is proposed.
[0006] Therefore, the purpose of this utility model is to provide a gear shaft machining clamping fixture, the purpose of which is to clean the debris on the clamping table.
[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solutions: a clamping mechanism, comprising a base, with support seats fixedly connected to both sides of the bottom of the inner wall of the base, and electric telescopic rods fixedly connected to both sides of the base, the output end of the electric telescopic rods penetrating into the interior of the base and fixedly connected to a clamping plate; a first cleaning mechanism, comprising piston cans, two piston cans being provided, the back of the piston cans being fixedly connected to the front of the support seats, a jet nozzle being provided on the front side of the top of the support seats, a support pipe communicating with the inner side of the top of the piston cans, the support pipe communicating with the jet nozzle, a piston plate being movably connected inside the piston cans, a transmission rod being fixedly connected to the outer side of the piston plate, and the other end of the transmission rod being fixedly connected to the output end of the electric telescopic rod; and a second cleaning mechanism, comprising a scraping component and a limiting component.
[0008] As a preferred embodiment of the gear shaft machining clamping fixture of this utility model, the scraping component includes a scraper, the bottom of which is slidably connected to the top of the base, and both ends of the scraper are fixedly connected to a transmission plate.
[0009] As a preferred embodiment of the gear shaft machining clamping fixture of this utility model, the limiting component includes a limiting groove, which is opened at the bottom of both sides of the back of the base. A limiting rod is slidably connected inside the limiting groove. The front of the limiting rod extends through to the bottom of both sides of the front of the base. The front of the limiting rod is fixedly connected to the back of the transmission plate.
[0010] As a preferred embodiment of the gear shaft machining clamping fixture of this utility model, a tension spring is fixedly connected to the top of the back side of the transmission plate, and the other end of the tension spring is fixedly connected to the top of the front side of the inner wall of the limiting groove.
[0011] As a preferred embodiment of the gear shaft machining clamping fixture of this utility model, a pull rod is provided at the bottom of the back side of the base, and the two ends of the pull rod are fixedly connected to the back side of the transmission plate.
[0012] As a preferred embodiment of the gear shaft machining clamping fixture of this utility model, wherein: a first one-way valve is connected to the inner side of the top of the piston tank, and the piston tank is connected to the support pipe through the first one-way valve.
[0013] As a preferred embodiment of the gear shaft machining clamping fixture of this utility model, the inner side of the front of the piston tank is connected to a second one-way valve, and the piston tank is connected to the outside air through the second one-way valve.
[0014] The beneficial effects of this utility model are as follows: During the process of clamping the gear shaft being processed by starting the clamping mechanism, the first cleaning mechanism will be activated to spray air to clean the surface of the clamping mechanism, so as to avoid affecting the processing of the gear shaft. The second cleaning mechanism can also be activated to further clean the clamping mechanism. Attached Figure Description
[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0016] Figure 1 A schematic diagram of the overall structure of this utility model.
[0017] Figure 2 A cross-sectional structural diagram of the base provided by this utility model.
[0018] Figure 3 This is a cross-sectional structural diagram of the piston tank provided by this utility model. Detailed Implementation
[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0021] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.
[0022] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.
[0023] Example 1
[0024] Reference Figures 1-3 This is the first embodiment of the present invention, which provides a clamping mechanism 100 and a first cleaning mechanism 200 to clean debris on the support base 102.
[0025] The clamping mechanism 100 includes a base 101, with support seats 102 fixedly connected to both sides of the bottom inner wall of the base 101, and electric telescopic rods 103 fixedly connected to both sides of the base 101. The output end of the electric telescopic rod 103 passes through the interior of the base 101 and is fixedly connected to a clamping plate 104. The first cleaning mechanism 200 includes piston tanks 201, two of which are provided. The back of the piston tank 201 is fixedly connected to the front of the support seat 102. A jet nozzle 202 is provided on the front side of the top of the support seat 102. A support pipe 203 is connected to the inner side of the top of the piston tank 201. The support pipe 203 is connected to the jet nozzle 202. A piston plate 204 is movably connected inside the piston tank 201. A transmission rod 205 is fixedly connected to the outer side of the piston plate 204. The other end of the transmission rod 205 is fixedly connected to the output end of the electric telescopic rod 103.
[0026] Specifically, the electric telescopic rod 103 is activated to drive the clamping plate 104 to clamp and stabilize the two ends of the gear shaft. As the electric telescopic rod 103 moves the clamping plate 104 inward, it will also move the piston plate 204 inward, causing the air inside the piston tank 201 to be ejected through the support pipe 203 and the jet nozzle 202. This causes the ejected airflow to be directed toward the top of the support base 102, thereby blowing away the machining debris on the top of the support base 102 and ensuring the stability of the gear shaft when it is clamped.
[0027] Furthermore, when the user needs to clamp the gear shaft, the user places the gear shaft on the support base 102 and supports it. Then, the user activates the electric telescopic rod 103 to move the clamping plate 104 inward, so that the clamping plate 104 clamps and stabilizes the gear shaft at both ends, facilitating subsequent processing of the gear shaft. During the process of the electric telescopic rod 103 moving the clamping plate 104 inward, the electric telescopic rod 103 also moves the transmission rod 205 inward, so that the transmission rod 205 moves the piston plate 204 inward. Then, the piston plate 204 can compress the air inside the piston tank 201 inward. Subsequently, the compressed air can be ejected through the support pipe 203 and the jet nozzle 202, so that the ejected airflow is directed towards the top of the support base 102, thereby blowing away the processing debris on the top of the support base 102 and ensuring the stability of the gear shaft when clamped.
[0028] Example 2
[0029] Reference Figures 1-2In the second embodiment of this utility model, a second cleaning mechanism 300 is provided to clean the debris on the base 101.
[0030] The second cleaning mechanism 300 includes a scraping component 301 and a limiting component 302. The scraping component 301 includes a scraper 301a, the bottom of which is slidably connected to the top of the base 101. Both ends of the scraper 301a are fixedly connected to a transmission plate 301b. The limiting component 302 includes a limiting groove 302a, which is opened at the bottom of both sides of the back of the base 101. A limiting rod 302b is slidably connected inside the limiting groove 302a. The front of the limiting rod 302b extends through to the bottom of both sides of the front of the base 101. The front of the limiting rod 302b is fixedly connected to the back of the transmission plate 301b.
[0031] Specifically, when there is a lot of processing debris accumulated on the base 101, the user can also pull the scraper 301a to move it to the back to clean the processing debris accumulated on the base 101, which improves the cleanliness of the base 101. At the same time, by using the sliding cooperation between the limiting rod 302b and the limiting groove 302a, the transmission rod 205 can be limited in the left, right and up and down during the movement, which ensures the stability of the transmission plate 301b during the movement.
[0032] Furthermore, when there is a large amount of processing debris accumulated on the base 101, the user can also pull the transmission plate 301b to move it to the back, so that the transmission plate 301b drives the scraper 301a to move to the back. Then the scraper 301a can clean the processing debris accumulated on the base 101 to the rear, improving the cleanliness of the base 101. During the movement of the transmission plate 301b, the sliding cooperation between the limiting rod 302b and the limiting groove 302a can limit the transmission rod 205 in the left, right and up and down during the movement, ensuring the stability of the transmission plate 301b during the movement, and preventing the scraper 301a from not being able to stick to the top of the base plate due to deviation in the movement direction, thus affecting the cleaning effect.
[0033] The remaining structure is the same as that in Example 1.
[0034] Example 3
[0035] Reference Figures 1-3 This is the third embodiment of the present invention. The difference between this embodiment and the second embodiment is that this embodiment provides a gear shaft machining clamping fixture.
[0036] When the user needs to clamp the gear shaft, the user places the gear shaft on the support base 102 and supports it with the support base 102. Then, the user starts the electric telescopic rod 103 to drive the clamping plate 104 to move inward, so that the clamping plate 104 clamps and stabilizes the gear shaft at both ends, so that the gear shaft can be processed later.
[0037] During the process of the electric telescopic rod 103 driving the clamping plate 104 to move inward, the electric telescopic rod 103 will also drive the transmission rod 205 to move inward, so that the transmission rod 205 drives the piston plate 204 to move inward. Then the piston plate 204 can compress the air inside the piston tank 201 inward. Subsequently, the compressed air can be ejected through the support pipe 203 and the jet head 202, so that the ejected airflow is directed towards the top of the support seat 102, thereby blowing away the machining debris on the top of the support seat 102 and ensuring the stability of the gear shaft when clamped.
[0038] When there is a lot of processing debris accumulated on the base 101, the user can also pull the transmission plate 301b to move it to the back, so that the transmission plate 301b drives the scraper 301a to move to the back. Then the scraper 301a can clean the processing debris accumulated on the base 101 to the rear, improving the cleanliness of the base 101.
[0039] During the movement of the transmission plate 301b, the sliding cooperation between the limiting rod 302b and the limiting groove 302a can limit the transmission rod 205 in the left, right, up and down directions, ensuring the stability of the transmission plate 301b during movement and preventing deviation in the direction of movement from causing the scraper 301a to fail to adhere to the top of the base plate, thus affecting the cleaning effect.
[0040] During the process of the transmission plate 301b moving to the rear, it will pull the tension spring 301c. When the transmission plate 301b is released, the tension of the tension spring 301c can be released. The tension of the tension spring 301c can be used to quickly pull the transmission plate 301b and the scraper 301a back to their original positions.
[0041] When the user needs to pull the transmission plate 301b, the user can pull it by holding the pull rod 301d, which can synchronously drive the transmission plates 301b on both sides to move, ensuring the synchronicity of the two transmission rods 205.
[0042] During the evacuation process of piston tank 201, the second one-way valve 207 is used as the evacuation inlet and to prevent the gas inside piston tank 201 from being discharged through the second one-way valve 207. During the venting process of piston tank 201, the first one-way valve 206 is used as the venting outlet and to prevent gas from entering piston tank 201 during evacuation.
[0043] In summary, the clamping mechanism 100 is activated to clamp the gear shaft to be processed. Then, the first cleaning mechanism 200 sprays air to clean the surface of the clamping mechanism 100 to avoid affecting the processing of the gear shaft. The second cleaning mechanism 300 can also be used to further clean the clamping mechanism 100.
[0044] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible without substantially departing from the novelty and advantages of the subject matter described in this application. For example, variations in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values such as temperature, pressure, etc., installation arrangements, use of materials, color, orientation, etc. For instance, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure performing the function described herein, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of this utility model. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0045] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments may be described, i.e., those features that are not relevant to the currently considered best mode for carrying out the present invention, or those features that are not relevant to implementing the present invention.
[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A gear shaft machining clamping tool, characterized by: include, The clamping mechanism (100) includes a base (101), on both sides of the bottom of the inner wall of the base (101) a support seat (102) is fixedly connected, on both sides of the base (101) an electric telescopic rod (103) is fixedly connected, and the output end of the electric telescopic rod (103) extends through the inside of the base (101) and is fixedly connected to a clamping plate (104). The first cleaning mechanism (200) includes piston tanks (201), two of which are provided. The back of the piston tank (201) is fixedly connected to the front of the support base (102). A jet nozzle (202) is provided on the front side of the top of the support base (102). A support pipe (203) is connected to the inner side of the top of the piston tank (201). The support pipe (203) is connected to the jet nozzle (202). A piston plate (204) is movably connected inside the piston tank (201). A transmission rod (205) is fixedly connected to the outer side of the piston plate (204). The other end of the transmission rod (205) is fixedly connected to the output end of the electric telescopic rod (103). The second cleaning mechanism (300) includes a scraping component (301) and a limiting component (302).
2. The gear shaft machining clamping tool according to claim 1, characterized in that: The scraping assembly (301) includes a scraper (301a), the bottom of which is slidably connected to the top of the base (101), and both ends of the scraper (301a) are fixedly connected to a transmission plate (301b).
3. The gear shaft machining clamping tool according to claim 2, characterized in that: The limiting component (302) includes a limiting groove (302a), which is formed at the bottom of both sides of the back of the base (101). A limiting rod (302b) is slidably connected inside the limiting groove (302a). The front of the limiting rod (302b) extends through to the bottom of both sides of the front of the base (101), and the front of the limiting rod (302b) is fixedly connected to the back of the transmission plate (301b).
4. The gear shaft machining clamping tool according to claim 3, characterized in that: A tension spring (301c) is fixedly connected to the top of the back side of the transmission plate (301b), and the other end of the tension spring (301c) is fixedly connected to the top of the front side of the inner wall of the limiting groove (302a).
5. The gear shaft machining clamping tool according to claim 4, characterized in that: A pull rod (301d) is provided at the bottom of the back side of the base (101), and both ends of the pull rod (301d) are fixedly connected to the back side of the transmission plate (301b).
6. The gear shaft machining clamping tool according to claim 5, characterized in that: The piston tank (201) has a first one-way valve (206) connected to the inner side of its top, and the piston tank (201) is connected to the support tube (203) through the first one-way valve (206).
7. The gear shaft machining clamping tool according to claim 6, characterized in that: The piston can (201) has a second one-way valve (207) connected to the inner side of its front, and the piston can (201) is connected to the outside air through the second one-way valve (207).