Reduction gearbox clamping tool

Through the combined design of the front bottom column, the rear bottom plate and the side support unit, the problem of easy dislocation and vibration of the gearbox blank during processing is solved, and higher processing accuracy and stability are achieved.

CN223071245UActive Publication Date: 2025-07-08JIANGSU KANG BAISI MECHANICAL TECH
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Patent Information

Application Number
CN202422328425.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-07-08
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing gearbox blank fixing method can only be fixed on one side, resulting in easy dislocation and vibration during processing, affecting the accuracy and easily damaging the tool.

Method used

The front bottom column and the rear bottom plate are combined with the front pressure unit and the rear pressure unit to achieve three-point fixation of the bottom and top of the reducer blank, and the side wall is defined through the side support unit to ensure processing stability.

Benefits of technology

Effectively prevent the gearbox blank from being misaligned during processing, reduce vibration, and improve processing accuracy and stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223071245U_ABST
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Abstract

The utility model discloses a reduction gearbox clamping tool which comprises a base, a front end assembly and a rear end assembly are arranged on the two sides of the base respectively, the front end assembly comprises a front bottom column and two front pressing units, the two front pressing units are arranged on the two sides of the front bottom column respectively, and the rear end assembly comprises a rear pressing unit and two rear bottom plates. The rear pressing unit and the front bottom column are arranged in the middles of the two sides of the base respectively, the two rear bottom plates are arranged on the two sides of the rear pressing unit respectively, the front bottom column and the two rear bottom plates are matched to support and limit the bottom of the reduction gearbox, and the rear pressing unit and the two front pressing units are matched to limit the top of the reduction gearbox. The front bottom column is matched with the rear bottom plate, the bottom of a reduction gearbox blank can be effectively fixed, the front pressing unit is matched with the rear pressing unit, the top of the reduction gearbox blank can be effectively fixed, it is guaranteed that the reduction gearbox blank cannot be dislocated during machining, vibration is reduced, and machining precision is improved; and the fixing effect on the reduction gearbox blank is further improved.
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Description

Technical Field

[0001] The utility model relates to the technology of speed reducers, in particular to a clamping tooling for speed reducers. Background Art

[0002] A speed reducer is an independent component composed of gear transmission, worm transmission, and gear-worm transmission enclosed in a rigid housing, and is used to match the rotational speed and transmit torque between the prime mover and the working machine or actuator. With the continuous rapid development of the speed reducer industry, more and more industries and different enterprises are using speed reducers, and more and more enterprises are growing and developing in the speed reducer industry. Generally, the speed reducer housing is formed by casting.

[0003] The roughcast of the speed reducer formed by casting needs to be fixed on the machine table for finish machining. The existing roughcast fixing method generally directly fixes the speed reducer through the fixing device on the machine table, such as clamping jaws or fixing pins. However, this fixing method can only limit the bottom or top of the speed reducer, that is, only one-sided fixing of the speed reducer roughcast can be carried out. When machining the opposite side, the speed reducer roughcast is extremely easy to be displaced by force, which not only affects the machining accuracy, but also easily generates vibration and causes tool damage. Content of the Utility Model

[0004] To solve the defects of the above-mentioned prior art, the utility model provides a clamping tooling for speed reducers, which can effectively fix the top and bottom of the speed reducer roughcast and limit the side wall of the roughcast, ensure that the speed reducer roughcast will not be misaligned during machining, reduce vibration, and improve machining accuracy.

[0005] To achieve the above technical purpose, the utility model adopts the following technical solution: A clamping tooling for speed reducers, including a base, a front-end component and a rear-end component are respectively arranged on both sides of the base. The front-end component includes a front bottom column and two front pressing units. The two front pressing units are respectively arranged on both sides of the front bottom column. The rear-end component includes a rear pressing unit and two rear bottom plates. The rear pressing unit and the front bottom column are respectively arranged in the middle of both sides of the base. The two rear bottom plates are respectively arranged on both sides of the rear pressing unit. The front bottom column and the two rear bottom plates cooperate to support and limit the bottom of the speed reducer. The rear pressing unit and the two front pressing units cooperate to limit the top of the speed reducer.

[0006] Preferably, a side column is vertically arranged on one side of the top of the front bottom column relative to the rear bottom plate. A front top pin is in threaded cooperation with the side column. The front top pin is horizontally arranged and abuts against the side wall of the bottom of the speed reducer.

[0007] Preferably, the front pressing unit includes a front support plate, a front column, a front guide post, a front pressing plate and a front pressing head. The front support plate is fixed to the base. The front column is vertically fixed at the center of the top of the front support plate. A threaded section is provided at the top of the front column. The front pressing plate is sleeved on the threaded section. A nut is in threaded fit with the threaded section. The front pressing head is arranged at one end of the front pressing plate close to the speed reducer. The front guide post is arranged at one end of the front pressing plate away from the speed reducer.

[0008] Preferably, a front top support is provided at one end of the front support plate facing the front bottom column.

[0009] Preferably, the rear bottom plate is L-shaped and includes a horizontal plate and a vertical plate. The vertical plate is above one side of the horizontal plate relative to the front bottom column. The horizontal plate is fixed to the base and is in threaded fit with an adjusting bolt. A rear top pin is in threaded fit with the vertical plate.

[0010] Preferably, the rear pressing unit includes a rear support plate, a rear column, a rear guide post, a rear pressing plate and a rear pressing head. The rear support plate is fixed to the base. The rear column is vertically fixed at the center of the top of the rear support plate. A threaded section is provided at the top of the rear column. The rear pressing plate is sleeved on the threaded section. A nut is in threaded fit with the threaded section. The rear pressing head is arranged at one end of the rear pressing plate close to the speed reducer. The rear guide post is arranged at one end of the rear pressing plate away from the speed reducer.

[0011] Preferably, a rear top support is provided at one end of the rear support plate facing the rear bottom column.

[0012] Preferably, the base is provided with a side support unit. The side support unit includes two side plates. The two side plates are respectively located on both sides of the speed reducer. Side bolts are in threaded fit with one side of the tops of the two side plates facing the speed reducer. The bottom ends of the side bolts abut against the side wall of the speed reducer. The two side plates are connected by support columns.

[0013] In summary, the present utility model has achieved the following technical effects:

[0014] The speed reducer clamping tooling of the present utility model uses the cooperation of the front bottom column and the rear bottom plate to effectively fix the bottom of the speed reducer blank. The cooperation of the front pressing unit and the rear pressing unit can effectively fix the top of the speed reducer blank, ensuring that the speed reducer blank will not be misaligned during processing, reducing vibration, improving processing accuracy, and setting a side support unit to limit the side wall of the blank to further improve the fixing effect on the speed reducer blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the top view of the speed reducer clamping tooling of the present utility model;

[0016] Figure 2 is the schematic structural diagram of the rear end assembly of the speed reducer clamping tooling of the present utility model;

[0017] Figure 3 It is a schematic structural diagram of the front-end component of the reduction gearbox clamping tooling of the present utility model;

[0018] Explanation of the reference numerals in the specification drawings: 1. Base; 2. Front bottom column; 3. Rear bottom plate; 4. Support column; 5. Side plate; 6. Rear pressing unit; 61. Rear support plate; 62. Rear column; 63. Rear guide post; 64. Rear pressing plate; 65. Rear pressing head; 66. Rear top support; 7. Front pressing unit; 71. Front support plate; 72. Front column; 73. Front guide post; 74. Front pressing plate; 75. Front pressing head; 76. Front top support. Specific embodiments

[0019] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0020] This specific embodiment is only an explanation of the present utility model, and it is not a limitation of the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as it is within the scope of the claims of the present utility model, it is protected by the Patent Law.

[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0022] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0023] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "linkage", "fixation" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral body; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0025] Embodiment 1:

[0026] As Figure 1 As shown in Fig. -3, a clamping tooling for a speed reducer includes a base 1. Front-end components and rear-end components are respectively arranged on both sides of the base 1. The front-end component includes a front bottom column 2 and two front pressing units 7. The two front pressing units 7 are respectively arranged on both sides of the front bottom column 2. The rear-end component includes a rear pressing unit 6 and two rear bottom plates 3. The rear pressing unit 6 and the front bottom column 2 are respectively arranged in the middle of both sides of the base 1. The two rear bottom plates 3 are respectively arranged on both sides of the rear pressing unit 6. The front bottom column 2 and the two rear bottom plates 3 cooperate to support and define the bottom of the speed reducer. The rear pressing unit 6 and the two front pressing units 7 cooperate to define the top of the speed reducer.

[0027] Among them, the front bottom column 2 and the two rear bottom plates 3 achieve three-point fixation of the bottom of the speed reducer, and the rear pressing unit 6 and the two front pressing units 7 achieve three-point fixation of the top of the speed reducer, with good fixation effect.

[0028] The clamping tooling for the speed reducer in this embodiment uses the cooperation of the front bottom column 2 and the rear bottom plate 3 to effectively fix the bottom of the speed reducer blank. Using the cooperation of the front pressing unit 7 and the rear pressing unit 6 can effectively fix the top of the speed reducer blank, ensuring that the speed reducer blank will not be misaligned during processing, reducing vibration, improving processing accuracy, and setting a side support unit to limit the side wall of the blank to further improve the fixation effect on the speed reducer blank.

[0029] A side column is vertically provided on the top of the front bottom column 2 relative to one side of the rear bottom plate 3. A front top pin is in threaded fit with the side column. The front top pin is horizontally arranged and abuts against the bottom side wall of the speed reducer box. The rear bottom plate 3 is L-shaped and includes a horizontal plate and a vertical plate. The vertical plate is located above one side of the horizontal plate relative to the front bottom column 2. The horizontal plate is fixed to the base 1 and is in threaded fit with an adjusting bolt. A rear top pin is in threaded fit with the vertical plate.

[0030] The front pressing unit 7 includes a front support plate 71, a front column 72, a front guide post 73, a front pressing plate 74 and a front pressing head 75. The front support plate 71 is fixed to the base 1. The front column 72 is vertically fixed at the center of the top of the front support plate 71. A threaded section is provided at the top of the front column 72. The front pressing plate 74 is sleeved on the threaded section. A nut is in threaded fit with the threaded section. The front pressing head 75 is arranged at one end of the front pressing plate 74 close to the speed reducer box. The front guide post 73 is arranged at one end of the front pressing plate 74 away from the speed reducer box. A front top support 76 is provided at one end of the front support plate 71 facing the front bottom column 2.

[0031] The rear pressing unit 6 includes a rear support plate 61, a rear column 62, a rear guide post 63, a rear pressing plate 64 and a rear pressing head 65. The rear support plate 61 is fixed to the base 1. The rear column 62 is vertically fixed at the center of the top of the rear support plate 61. A threaded section is provided at the top of the rear column 62. The rear pressing plate 64 is sleeved on the threaded section. A nut is in threaded fit with the threaded section. The rear pressing head 65 is arranged at one end of the rear pressing plate 64 close to the speed reducer box. The rear guide post 63 is arranged at one end of the rear pressing plate 64 away from the speed reducer box. A rear top support 66 is provided at one end of the rear support plate 61 facing the rear bottom column.

[0032] The base 1 is provided with a side support unit. The side support unit includes two side plates. The two side plates are respectively located on both sides of the speed reducer box. Side bolts are in threaded fit with one side of the tops of the two side plates facing the speed reducer box. The bottom ends of the side bolts abut against the side wall of the speed reducer box. The two side plates are connected by a support column 4.

[0033] The settings of the front top support 76, the rear top support 66 and the support column 4 can be used to support the sunken part of the speed reducer box with a sunken outer wall, improving the support effect.

[0034] Working principle: Adjust the adjusting bolt, cooperate with the front bottom column 2 to support the bottom of the speed reducer box, so that the speed reducer box is horizontally arranged. Then adjust the front top pin and the rear top pin to abut against the bottom side wall of the speed reducer box. Then tighten the nut, so that the front pressing plate 74 and the rear pressing plate 64 move downward, so that the front pressing head 75 and the rear pressing head 65 fix the top of the speed reducer box.

[0035] The above is only a preferred embodiment of the present utility model, and does not impose any form of limitation on the present utility model. Any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model shall fall within the scope of the technical solution of the present utility model.

Claims

1. A clamping tooling for a speed reducer, characterized in that, It includes a base. On both sides of the base, a front-end component and a rear-end component are respectively provided. The front-end component includes a front bottom column and two front pressing units. The two front pressing units are respectively arranged on both sides of the front bottom column. The rear-end component includes a rear pressing unit and two rear bottom plates. The rear pressing unit and the front bottom column are respectively arranged in the middle of both sides of the base. The two rear bottom plates are respectively arranged on both sides of the rear pressing unit. The front bottom column and the two rear bottom plates cooperate to support and define the bottom of the reduction gearbox. The rear pressing unit and the two front pressing units cooperate to define the top of the reduction gearbox.

2. The clamping tooling for a speed reducer according to claim 1, characterized in that On one side of the rear bottom plate relative to the top of the front bottom column, a side column is vertically provided. A front top pin is in threaded fit with the side column. The front top pin is horizontally arranged and abuts against the side wall of the bottom of the reduction gearbox.

3. A clamping tool for a speed reducer according to claim 1, characterized in that, The front pressing unit includes a front support plate, a front vertical column, a front guide post, a front pressing plate and a front pressing head. The front support plate is fixed to the base. The front vertical column is vertically fixed at the center of the top of the front support plate. A threaded section is provided at the top of the front vertical column. The front pressing plate is sleeved on the threaded section. A nut is in threaded fit with the threaded section. The front pressing head is arranged at one end of the front pressing plate close to the reduction gearbox. The front guide post is arranged at one end of the front pressing plate away from the reduction gearbox.

4. The clamping tooling for a speed reducer according to claim 3, characterized in that, A front top support is provided at one end of the front support plate facing the front bottom column.

5. The clamping tooling for a speed reducer according to claim 1, wherein, The rear bottom plate is L-shaped. The rear bottom plate includes a horizontal plate and a vertical plate. The vertical plate is located above one side of the horizontal plate relative to the front bottom column. The horizontal plate is fixed to the base and is in threaded fit with an adjusting bolt. A rear top pin is in threaded fit with the vertical plate.

6. The clamping tooling for a speed reducer according to claim 1, wherein The rear pressing unit includes a rear support plate, a rear vertical column, a rear guide post, a rear pressing plate and a rear pressing head. The rear support plate is fixed to the base. The rear vertical column is vertically fixed at the center of the top of the rear support plate. A threaded section is provided at the top of the rear vertical column. The rear pressing plate is sleeved on the threaded section. A nut is in threaded fit with the threaded section. The rear pressing head is arranged at one end of the rear pressing plate close to the reduction gearbox. The rear guide post is arranged at one end of the rear pressing plate away from the reduction gearbox.

7. A reduction gearbox clamping tooling according to claim 6, characterized in that, A rear top support is provided at one end of the rear support plate facing the rear bottom column.

8. A reduction gearbox clamping tooling according to claim 1, characterized in that, The base is provided with a side support unit. The side support unit includes two side plates. The two side plates are respectively located on both sides of the reduction gearbox. On one side of the top ends of the two side plates facing the reduction gearbox, side bolts are in threaded fit. The bottom ends of the side bolts abut against the side wall of the reduction gearbox. The two side plates are connected by support columns.