Drilling and milling tool for reduction gearbox shell

Abstract

The utility model relates to the technical field of reduction gearbox processing equipment, in particular to a drilling and milling tool for a reduction gearbox shell, which comprises a base, a positioning seat, a clamp and two brackets, a positioning groove is formed between the two brackets, the inner side of the positioning groove is used for horizontally placing the reduction gearbox shell and supporting the reduction gearbox shell, and the inner side of the positioning groove is provided with a positioning groove. The rear end of the reduction gearbox shell is in pin connection with the front end of the positioning seat; the clamp is used for clamping and fixing the rear end of the reduction gearbox shell to the front end of the positioning base. According to the drilling and milling tool for the reduction gearbox shell, the reduction gearbox shell is horizontally placed and supported through the inner side of the positioning groove, pre-positioning of the reduction gearbox shell is facilitated, the rear end of the reduction gearbox shell is in pin connection with the front end of the positioning seat in a pushing mode, rapid positioning is achieved, and the machining efficiency is improved. And then the rear end of the reduction gearbox shell is clamped and fixed to the front end of the positioning base through the clamp, stable clamping is achieved, the machining efficiency can be effectively improved, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reduction gear box processing equipment, in particular to a drilling and milling tool for a reduction gear box housing. Background Art

[0002] In the machinery manufacturing industry, gearboxes are key components of transmission systems, and the machining quality of their housings directly impacts the performance and lifespan of the entire machine. The sides of the gearbox housings often require milling, drilling, and tapping to accommodate accessories like sensors, breather caps, and oil dipsticks. This requires high precision and stability during the machining process.

[0003] Due to the various shapes of the reduction gearbox housing, especially for Figure 1 For the reducer housing 5 shown in the figure, in which the diameter of one end is larger than that of the other end, traditional tooling (such as the tooling for reducer housing sub-box processing disclosed in patent CN212858650U) is often difficult to meet the requirements of rapid positioning and firm clamping, which not only reduces the processing efficiency, but may also affect the final product quality. Utility Model Content

[0004] In view of this, the utility model proposes a drilling and milling tool for the reducer housing, which is used to horizontally place the reducer housing and form a support by setting the inner side of the positioning groove, which is convenient for pre-positioning the reducer housing, and is convenient for connecting the rear end of the reducer housing with the front end pin of the positioning seat by pushing to achieve rapid positioning, and then the rear end of the reducer housing is clamped and fixed on the front end of the positioning seat by a clamp to achieve stable clamping, which can effectively improve processing efficiency and improve product quality.

[0005] The technical solution of the present utility model is achieved as follows:

[0006] The utility model provides a drilling and milling tool for a reduction gearbox housing, comprising a base, a positioning seat, a fixture and two brackets, wherein:

[0007] The positioning seat and the two brackets are arranged in a herringbone shape and fixed to the top of the base, a positioning groove is formed between the two brackets, the inner side of the positioning groove is used to horizontally place the reduction gearbox housing and form a support, and the rear end of the reduction gearbox housing is connected to the front end pin of the positioning seat;

[0008] The clamp is fixed on the front end of the positioning seat and is located on the inner side of the reduction gearbox housing. The clamp is used to clamp and fix the rear end of the reduction gearbox housing on the front end of the positioning seat.

[0009] On the basis of the above technical solution, preferably, a plurality of bolt mounting holes are vertically provided on the base.

[0010] On the basis of the above technical solution, preferably, the positioning seat includes a positioning plate and a support seat, wherein,

[0011] The positioning plate is detachably arranged on the front end of the support seat, and the support seat is fixed on the base;

[0012] A plurality of positioning pins are fixed on the front end of the positioning plate, and the positioning pins are plugged into the rear end of the reduction gearbox housing.

[0013] On the basis of the above technical solution, preferably, the front end of the positioning pin is tapered.

[0014] On the basis of the above technical solution, preferably, the support seat includes a vertical plate and a bottom plate, wherein:

[0015] The vertical plate is fixed on the top of the bottom plate;

[0016] The bottom plate is fixed on the base;

[0017] The positioning plate is fixed to the front end of the vertical plate by bolts.

[0018] On the basis of the above technical solution, preferably, the bottom end of the positioning plate is in contact with the top end of the bottom plate.

[0019] On the basis of the above technical solution, preferably, the clamp includes a threaded rod, a pressure plate and a nut, wherein,

[0020] The threaded rod is arranged just above the positioning groove, the rear end of the threaded rod is fixedly connected to the positioning plate, and the front end thereof horizontally passes through the reduction gearbox housing;

[0021] The pressing plate is provided with a through hole, and the pressing plate is sleeved on the threaded rod through the through hole;

[0022] The nut is screwed onto the front end of the threaded rod;

[0023] The pressure plate is fixed on the end of the reduction gearbox housing away from the positioning plate by means of the nut.

[0024] On the basis of the above technical solution, preferably, the clamp further includes a pad, wherein,

[0025] A plurality of the pads are screwed onto the rear end of the pressure plate, and the pads are arranged in a circular array along the circumference of the threaded rod;

[0026] The rear end of the cushion block abuts against the front end of the reduction gearbox housing.

[0027] On the basis of the above technical solution, preferably, a plurality of threaded holes are provided on the rear end of the pressing plate, wherein:

[0028] The plurality of threaded holes are arranged radially, and the front end of the pad is screwed to the threaded holes.

[0029] On the basis of the above technical solution, preferably, the positioning groove is V-shaped.

[0030] The drilling and milling tooling of the reduction gearbox housing of the utility model has the following beneficial effects compared with the prior art:

[0031] (1) The inner side of the positioning groove is provided for horizontally placing the reducer housing and forming a support, which facilitates the pre-positioning of the reducer housing and facilitates the connection of the rear end of the reducer housing with the front end pin of the positioning seat by pushing, thereby achieving rapid positioning. Then, the rear end of the reducer housing is clamped and fixed on the front end of the positioning seat by a clamp, thereby achieving stable clamping, which can effectively improve processing efficiency and improve product quality.

[0032] (2) The positioning plate is connected to the vertical plate by bolts, so that the positioning plate can be easily disassembled. When the front end surface of the positioning plate is damaged, the positioning plate can be disassembled for repair or replacement.

[0033] (3) By arranging a plurality of threaded holes in a radial pattern and screwing the front end of the pad to the threaded holes, the use position of the pad can be flexibly adjusted according to the clamping needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0035] Figure 1 This is a three-dimensional diagram of a reduction gearbox housing of the present invention;

[0036] Figure 2 This is a schematic diagram of the use state of a drilling and milling tool for a reduction gearbox housing according to the present invention;

[0037] Figure 3 This is a three-dimensional diagram of a drilling and milling tool for a reduction gearbox housing according to the present invention;

[0038] Figure 4 This is a top view of a drilling and milling tool for a reduction gearbox housing according to the present invention;

[0039] Figure 5 A perspective view of a second perspective of a drilling and milling tool for a reduction gearbox housing according to the present invention;

[0040] In the figure: 1. Base; 2. Positioning seat; 3. Clamp; 4. Bracket; 5. Gearbox housing; 21. Positioning plate; 22. Support seat; 31. Threaded rod; 32. Pressure plate; 33. Nut; 34. Spacer; 101. Bolt mounting hole; 201. Positioning pin; 401. Positioning groove; 221. Vertical plate; 222. Bottom plate; 3201. Through hole; 3202. Threaded hole. DETAILED DESCRIPTION

[0041] The following will be combined with the specific embodiments of the present invention to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0042] The utility model is a drilling and milling tool for a reduction gearbox housing, mainly used for Figure 1 The drilling and milling of the reduction gear housing 5 is shown in FIG. 5 . The drilling and milling part is the side of the reduction gear housing 5. After clamping, the drilling and milling part is at the top of the reduction gear housing 5. Figure 1 As shown, the caliber of one end of the shell is larger than that of the other end, wherein the caliber of one end of the shell is circular and the caliber of the other end is trapezoidal, and the two ends are connected through a central hole; in addition, flanges are provided on the sides of both ends of the shell, and a through hole is provided on the flange along the axial direction. The through hole is an assembly hole for connecting with other reduction gearbox accessories, and the through hole can also be used to achieve auxiliary positioning when the reduction gearbox shell 5 is clamped.

[0043] for Figure 1 For the gearbox housing 5 of this shape shown in FIG, traditional tooling often cannot meet the requirements of fast positioning and stable clamping, which not only reduces the processing efficiency, but also may affect the final product quality. Figure 2-5 As shown, the utility model provides a drilling and milling tool for a reduction gearbox housing to solve these problems.

[0044] The drilling and milling tool of the reduction gearbox housing of the present invention comprises a base 1, a positioning seat 2, a fixture 3 and two brackets 4, wherein, Figure 2 As shown, the positioning seat 2 and the two brackets 4 are arranged in a herringbone shape and fixed on the top of the base 1. A positioning groove 401 is formed between the two brackets 4. The inner side of the positioning groove 401 is used to horizontally place the reducer housing 5 and form a support. The rear end of the reducer housing 5 is connected to the front end pin of the positioning seat 2; the clamp 3 is fixed on the front end of the positioning seat 2 and is on the inner side of the reducer housing 5. The clamp 3 is used to clamp and fix the rear end of the reducer housing 5 on the front end of the positioning seat 2.

[0045] When clamping, first place the reduction gearbox housing 5 flat on the positioning groove 401, then push the reduction gearbox housing 5 toward the positioning seat 2 so that the rear end of the reduction gearbox housing 5 is pinned to the front end of the positioning seat 2, and then use the clamp 3 to fix the reduction gearbox housing 5. Figure 2 As shown, the front end of the reduction gear housing 5 has a recessed inner cavity, and the front end of the clamp 3 is fixed to the rear end of the inner cavity.

[0046] like Figure 3 As shown, the positioning groove 401 is V-shaped. Specifically, V-shaped notches are provided on the opposite ends of the two brackets 4, wherein one side of the V-shaped notch is vertically arranged and the other end is inclined. The positioning groove 401 is V-shaped through the two notches. After the reduction gearbox housing 5 is placed, the inclined surface of the V-shaped notch supports the side surface of the bottom of the reduction gearbox housing 5.

[0047] In the drilling and milling tooling of the gearbox housing, a plurality of bolt mounting holes 101 are vertically provided on the base 1. The bolt mounting holes 101 are used to install bolts to install the tooling on the workbench of the drilling and milling equipment, which includes a vertical milling machine or a vertical machining center.

[0048] like Figure 3 As shown, the positioning seat 2 includes a positioning plate 21 and a support seat 22, wherein the positioning plate 21 is arranged on the front end of the support seat 22, and the support seat 22 is fixed on the base 1; a plurality of positioning pins 201 are fixed on the front end of the positioning plate 21, and the positioning pins 201 are plugged into the rear end of the reduction gearbox housing 5. Specifically, the positioning pins 201 are plugged into the through holes on the flange on the rear end of the reduction gearbox housing 5. Figure 3 In the figure, two positioning pins 201 are provided, and the two positioning pins 201 are screwed on both sides of the bottom of the front end of the positioning plate 21. In addition, in order to facilitate the pin connection between the positioning pin 201 and the reduction gearbox housing 5, the front end of the positioning pin 201 is tapered.

[0049] like Figure 3 As shown, the support seat 22 includes a vertical plate 221 and a bottom plate 222, wherein the vertical plate 221 is fixed on the top of the bottom plate 222; the bottom plate 222 is fixed on the base 1; the positioning plate 21 is fixed to the front end of the vertical plate 221 by bolts, and the bottom end of the positioning plate 21 is in contact with the top end of the bottom plate 222.

[0050] In the above structure, the positioning plate 21 can be removed. When the front end surface of the positioning plate 21 is damaged due to collision, such as burrs, potholes and other problems, the positioning plate 21 can be removed and repaired or replaced to ensure that the front end surface of the positioning plate 21 is in good condition, thereby improving the good contact between the rear end of the reducer housing 5 and the front end of the positioning plate 21.

[0051] like Figure 3As shown, the clamp 3 includes a threaded rod 31, a pressure plate 32 and a nut 33, wherein the threaded rod 31 is arranged directly above the positioning groove 401, the rear end of the threaded rod 31 is fixedly connected to the positioning plate 21, and the front end horizontally passes through the reducer housing 5; a through hole 3201 is provided on the pressure plate 32, and the pressure plate 32 is sleeved on the threaded rod 31 through the through hole 3201; the nut 33 is screwed on the front end of the threaded rod 31; the pressure plate 32 is pressed and fixed to the end of the reducer housing 5 away from the positioning plate 21 by the nut 33.

[0052] When the reduction gearbox housing 5 needs to be installed, a lifting tool such as a crane or a single-arm crane is used to lift the reduction gearbox housing 5 to the top of the positioning groove 401. During the process, the threaded rod 31 is passed through the reduction gearbox housing 5. After it is in place, the reduction gearbox housing 5 is placed on the inner side of the positioning groove 401 to achieve pre-positioning. At this time, the groove wall of the positioning groove 401 supports the bottom side wall of the reduction gearbox housing 5, and then the reduction gearbox housing 5 is pushed toward the positioning plate 21 so that the through hole on the rear end flange of the reduction gearbox housing 5 is plugged into the positioning pin 201 to achieve positioning. Then the pressing plate 32 is put on the threaded rod 31, and the nut 33 is screwed on the threaded rod 31. After tightening the nut 33, as shown in FIG. Figure 2 As shown, the pressing plate 32 is pressed and fixed on the rear end of the front end inner cavity of the reduction gearbox housing 5 to achieve fixation. After fixation, drilling and milling work is performed on the side of the top of the reduction gearbox housing 5 by drilling and milling equipment.

[0053] In order to protect the inner surface of the reduction gear housing 5 from being damaged, the fixture 3 further includes a pad 34, which is a copper block or a rubber block. A plurality of pads 34 are screwed onto the rear end of the pressure plate 32, and the plurality of pads 34 are arranged in a circular array along the circumference of the threaded rod 31; the rear end of the pad 34 abuts against the front end of the reduction gear housing 5, specifically, as shown in FIG. Figure 2 As shown, the rear end of the cushion block 34 abuts against the rear end of the front end inner cavity of the reduction gearbox housing 5 .

[0054] In addition, in order to facilitate the adjustment of the use position of the pad 34, a plurality of threaded holes 3202 are provided on the rear end of the pressure plate 32, wherein, for example, Figure 5 As shown, several threaded holes 3202 are arranged radially, and the front end of the pad 34 is screwed to the threaded holes 3202. According to the clamping requirements, the threaded holes 3202 at different positions are selected to install the pad 34.

[0055] The method of using the drilling and milling tool of the reduction gearbox housing of the utility model is as follows:

[0056] The base 1 is installed on the workbench of the drilling and milling equipment by bolts. When the reducer housing 5 needs to be clamped, the reducer housing 5 is first lifted to the top of the positioning groove 401. During the process, the threaded rod 31 is inserted into the reducer housing 5, and then the reducer housing 5 is placed on the inner side of the positioning groove 401. The positioning groove 401 supports the reducer housing 5, and then the reducer housing 5 is pushed toward the positioning plate 21 so that the through hole on the rear end flange of the reducer housing 5 is plugged into the positioning pin 201 for positioning, and then the pressure plate 32 and the nut 33 are installed on the threaded rod 31 in turn, and finally the nut 33 is tightened to press and fix the pressure plate 32 to the rear end of the front end inner cavity of the reducer housing 5 to achieve clamping and fixation.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A drilling and milling tool for a reduction gearbox housing, comprising a base (1), characterized in that: It also includes a positioning seat (2), a fixture (3) and two brackets (4), wherein: The positioning seat (2) and the two brackets (4) are arranged in a herringbone shape and fixed on the top of the base (1); a positioning groove (401) is formed between the two brackets (4); the inner side of the positioning groove (401) is used to horizontally place the reduction gearbox housing (5) and form a support; the rear end of the reduction gearbox housing (5) is connected to the front end pin of the positioning seat (2); The clamp (3) is fixed on the front end of the positioning seat (2) and is located on the inner side of the reduction gearbox housing (5). The clamp (3) is used to clamp and fix the rear end of the reduction gearbox housing (5) on the front end of the positioning seat (2).

2. The drilling and milling tool for a reduction gearbox housing according to claim 1, characterized in that: A plurality of bolt mounting holes (101) are vertically provided on the base (1).

3. The drilling and milling tool for a reduction gearbox housing according to claim 1, characterized in that: The positioning seat (2) comprises a positioning plate (21) and a support seat (22), wherein: The positioning plate (21) is detachably arranged on the front end of the support seat (22), and the support seat (22) is fixed on the base (1); A plurality of positioning pins (201) are fixed on the front end of the positioning plate (21), and the positioning pins (201) are plugged into the rear end of the reduction gearbox housing (5).

4. The drilling and milling tool for a reduction gearbox housing according to claim 3, characterized in that: The front end of the positioning pin (201) is in a cone shape.

5. The drilling and milling tool for a reduction gearbox housing according to claim 3, characterized in that: The support seat (22) includes a vertical plate (221) and a bottom plate (222), wherein: The vertical plate (221) is fixed on the top of the bottom plate (222); The bottom plate (222) is fixed on the base (1); The positioning plate (21) is fixed to the front end of the vertical plate (221) by means of bolts.

6. The drilling and milling tool for a reduction gearbox housing according to claim 5, characterized in that: The bottom end of the positioning plate (21) abuts against the top end of the bottom plate (222).

7. The drilling and milling tool for a reduction gearbox housing according to claim 5, characterized in that: The clamp (3) comprises a threaded rod (31), a pressing plate (32) and a nut (33), wherein: The threaded rod (31) is arranged directly above the positioning groove (401), the rear end of the threaded rod (31) is fixedly connected to the positioning plate (21), and the front end horizontally penetrates the reduction gearbox housing (5); The pressing plate (32) is provided with a through hole (3201), and the pressing plate (32) is sleeved on the threaded rod (31) through the through hole (3201); The nut (33) is screwed onto the front end of the threaded rod (31); The pressing plate (32) is pressed and fixed on an end of the reduction gearbox housing (5) away from the positioning plate (21) by the nut (33).

8. The drilling and milling tool for a reduction gearbox housing according to claim 7, characterized in that: The clamp (3) further includes a spacer (34), wherein: A plurality of the pads (34) are screwed onto the rear end of the pressure plate (32), and the pads (34) are arranged in a circular array along the circumference of the threaded rod (31); The rear end of the cushion block (34) abuts against the front end of the reduction gearbox housing (5).

9. The drilling and milling tool for a reduction gearbox housing according to claim 8, characterized in that: The rear end of the pressing plate (32) is provided with a plurality of threaded holes (3202), wherein: The plurality of threaded holes (3202) are arranged radially, and the front end of the pad (34) is screwed to the threaded hole (3202).

10. The drilling and milling tool for a reduction gearbox housing according to claim 1, characterized in that: The positioning groove (401) is V-shaped.

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