Housing punching positioning device

Abstract

The utility model discloses a casing punching positioning device which comprises a positioning guide part and a clamping part, and the positioning guide part comprises a fixed plate, a sliding plate, a limiting assembly and a locking assembly; the limiting assemblies are rotationally connected to the fixed plate and the sliding plate, and the two axial ends of the machine shell are clamped between the limiting assemblies. The limiting assembly is provided with a guide hole corresponding to a to-be-machined hole in the machine shell, and the clamping part clamps the machine shell in the axial direction by pushing the sliding plate. The locking assembly is connected with the limiting assembly and the sliding plate, when the locking assembly is in an unlocking state, the limiting assembly can rotate relative to the sliding plate, and when the locking assembly is in a locking state, the limiting assembly and the sliding plate are fixed in the circumferential direction. The limiting assembly can pre-position the machine shell, the to-be-machined hole and the guide hole can be aligned and correspond conveniently, only the locking assembly needs to be adjusted when the machining angle is replaced, the positioning error in the repeated disassembling and clamping process is effectively avoided, and the production efficiency is improved.

Description

A housing drilling and positioning device Technical Field

[0001] This utility model relates to the field of motor processing technology, and in particular to a housing drilling and positioning device for drilling and positioning the housing of brushed and brushless motors. Background Technology

[0002] This motor drilling and positioning device is used for drilling and positioning the housings of brushed and brushless motors. It positions the holes to be processed on the motor and provides processing guidance to ensure design requirements are met, thus completing the predetermined processing technology. Housing drilling is divided into end face drilling and side face drilling. This utility model is a positioning device designed for side face drilling of the housing. Traditional motor drilling and positioning devices have the following problems: 1. The positioning of the motor during clamping is complex. For example, the drilling device disclosed in CN202121391360 has poor fault tolerance during clamping, requires strict operator control, and it is difficult to guarantee the positioning error during repeated clamping; 2. The device has poor versatility. Due to the large number of components and complex structure, the coordination requirements of each component are high. If different types and models of motors are being processed, the entire positioning device needs to be replaced.

[0003] Therefore, how to design a housing drilling and positioning device with a simple structure and easy-to-replace parts to adapt to different models of motors, in order to solve the problems of low clamping efficiency, low fault tolerance and poor interchangeability of the existing technology, is a technical problem that needs to be solved. Summary of the Invention

[0004] In order to solve the problems of low clamping efficiency, low fault tolerance and poor interchangeability of existing motor drilling and positioning devices, which are technical problems that need to be solved, this utility model provides a housing drilling and positioning device to solve the above problems.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a housing drilling and positioning device, including a positioning guide part and a clamping part. The positioning guide part includes a fixed plate, a sliding plate, a limiting component and a locking component. The sliding plate slides between the fixed plate and the clamping part. The limiting component is rotatably connected to the fixed plate and the sliding plate, and the two axial ends of the housing are clamped between the limiting component. The limiting component has a guide hole corresponding to the hole to be processed on the housing. The clamping part clamps the housing axially by pushing the sliding plate.

[0006] The locking component connects the limiting component and the sliding plate. When the locking component is in the unlocked state, the limiting component can rotate relative to the sliding plate. When the locking component is in the locked state, the limiting component and the sliding plate are circumferentially fixed.

[0007] In an optional embodiment of this utility model, the limiting component includes a front fixing block rotatably connected to the fixing plate and a rear fixing block rotatably connected to the sliding plate. Both the front fixing block and the rear fixing block have a shaft end face that abuts against the end of the housing and a circumferential surface that contacts the outer circumferential surface of the housing. The guide hole is located on the circumferential surface of the rear fixing block.

[0008] In an optional embodiment of this utility model, the circumferential surface of the rear fixing block also has a guide hole corresponding to the positioning hole on the housing. When the positioning component is inserted into both the positioning hole and the guide hole at the same time, the hole to be processed is aligned with the guide hole.

[0009] In an optional embodiment of this utility model, the guide hole and the guide hole are arranged at 180° intervals.

[0010] In an optional embodiment of this utility model, the guide hole and the guide hole are oval grooves, and the major axis of the guide hole and the guide hole is parallel to the axial direction of the housing.

[0011] In an optional embodiment of this utility model, the locking assembly includes a return spring and a guide pin, the end of the sliding plate has an axial countersunk hole for accommodating the return spring and the guide pin, and the end of the rear fixing block has a plurality of limiting holes located on the same circumference, and each limiting hole and the axial countersunk hole are located at the same radial length.

[0012] In an optional embodiment of this utility model, the outer peripheral surface of the sliding plate has a radial hole communicating with the axial countersunk hole, and a guide pin is radially inserted with a pull rod, which is inserted into the axial countersunk hole through the radial hole.

[0013] In an optional embodiment of this utility model, the device further includes a base, and the fixing plate, sliding plate and clamping part are disposed on the base.

[0014] In an optional embodiment of this utility model, a slide rail is provided on the base, and the sliding plate slides in cooperation with the slide rail.

[0015] In an optional embodiment of this utility model, the base also has an elongated groove, with a support plate and a slider respectively disposed above and below the elongated groove. The clamping part is fixed on the support plate, and the support plate and the slider are fixed by a bolt assembly.

[0016] The beneficial effects of this utility model are:

[0017] (1) The limiting component in the housing drilling and positioning device of the present invention can pre-position the housing, which makes it easy for the machine housing to be processed and the guide hole to be aligned. After positioning, the rotational movement of the limiting component can be locked by the locking component. When the processing angle needs to be changed, only the locking component needs to be adjusted, which effectively avoids positioning errors in the repeated disassembly and clamping process. The operation is simple and can effectively improve production efficiency.

[0018] (2) Under the condition of meeting the clamping requirements, this utility model can quickly replace the front fixing block and the rear fixing block according to the different models of the required motor. It is simple to operate, can effectively reduce working hours and improve work efficiency, and avoid the problem of low equipment utilization due to the limitation of a single model.

[0019] (3) This utility model verifies the coaxiality of the hole position by using the positioning hole on the housing and the guide hole on the rear fixing block, which effectively avoids drilling deviation. Attached Figure Description

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 is a top view of a specific embodiment of the housing drilling and positioning device of this utility model;

[0022] Figure 2 is a sectional view along line AA of Figure 1;

[0023] Figure 3 is an enlarged view of point a in Figure 2;

[0024] Figure 4 is a sectional view along the BB direction of Figure 1;

[0025] Figure 5 is a schematic diagram of the housing drilling and positioning device of this utility model after assembly with the housing;

[0026] Figure 6 is an enlarged view of the positioning hole guide area after the housing drilling and positioning device of this utility model is assembled with the housing.

[0027] In the diagram, 1. Positioning and guiding part, 101. Fixing plate, 102. Sliding plate, 103. Front fixing block, 104. Rear fixing block, 105. Return spring, 106. Guide pin, 107. Pull rod, 2. Clamping part, 3. Housing, 301. Positioning hole, 4. Guide hole, 5. Shaft end face, 6. Circumferential surface, 7. Axial countersunk hole, 8. Limiting hole, 9. Radial hole, 10. Base, 11. Slide rail, 12. Long groove, 13. Support plate, 14. Slider, 15. Guide hole, 16. Positioning component, 17. Bearing. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0029] Example 1

[0030] As shown in Figures 1-5, a housing drilling and positioning device includes a positioning guide part 1 and a clamping part 2. The positioning guide part 1 includes a fixed plate 101, a sliding plate 102, a limiting component, and a locking component. The fixed plate 101 is fixedly installed, and the sliding plate 102 slides between the fixed plate 101 and the clamping part 2. The limiting component is in direct contact with the housing 3 and limits the axial and circumferential directions of the housing 3. The limiting component is rotatably connected to the fixed plate 101 and the sliding plate 102, and the two ends of the housing 3 are clamped between the limiting component. The limiting component has a guide hole 4 corresponding to the hole to be processed on the housing 3. The clamping part 2 clamps the housing 3 axially by pushing the sliding plate 102, thereby fixing the housing 3 to the limiting component.

[0031] The locking component connects the limiting component and the sliding plate 102. When the locking component is in the unlocked state, the limiting component can rotate relative to the sliding plate 102. When the locking component is in the locked state, the limiting component and the sliding plate 102 are circumferentially fixed.

[0032] The axial mobility of the sliding plate 102 allows the limiting component connected to the fixed plate 101 and the sliding plate 102 to also have axial mobility, thereby enabling the housing 3 to be pre-positioned, determining the central axis of the housing 3, aligning the hole to be processed with the guide hole 4, and finally fixing it axially through the clamping part 2. The locking component can control the circumferential fixation or mobility of the limiting component, and by adjusting the locking component, the hole to be processed at different angles and directions can be quickly changed.

[0033] In addition, since the limiting component is an independent structure, it is detachably connected to the fixed plate 101, the sliding plate 102 and the locking component. For different models of motors, only the limiting component needs to be replaced, without replacing the entire device, which reduces the production and processing costs of non-standard products.

[0034] The limiting component may, but is not limited to, adopting the following structure:

[0035] The limiting assembly includes a front fixing block 103 rotatably connected to the fixing plate 101 and a rear fixing block 104 rotatably connected to the sliding plate 102. Both the front fixing block 103 and the rear fixing block 104 have a shaft end face 5 that abuts against the end of the housing 3 and a circumferential surface 6 that contacts the outer circumferential surface of the housing 3. The guide hole 4 is located on the circumferential surface 6 of the rear fixing block 104. The shaft end face 5 is used to abut against the end of the housing 3 to achieve axial limiting, and the circumferential surface 6 is used for radial limiting, so that the housing 3 and the limiting assembly are coaxial.

[0036] As shown in Figures 2 and 5, the front fixing block 103 and the rear fixing block 104 are both cylindrical structures with varying diameters. One end of the front fixing block 103 and the rear fixing block 104 has a shaft segment that extends into the fixing plate 101 and the sliding plate 102, respectively, and they are rolled together by bearings 17. The other end of the front fixing block 103 and the rear fixing block 104 are fitted with the housing 3.

[0037] The clamping part 2 is a driving component capable of linearly pushing the sliding plate 102. It can be a linear motor, cylinder, etc. In this embodiment, the clamping part 2 adopts a push-pull quick clamp. The push-pull quick clamp is convenient, quick to operate, and does not hurt the hands.

[0038] Locking components may, but are not limited to, adopting the following structures:

[0039] As shown in Figures 3 and 6, the locking assembly includes a return spring 105 and a guide pin 106. The end of the sliding plate 102 has an axial countersunk hole 7 for accommodating the return spring 105 and the guide pin 106. The end of the rear fixing block 104 has several limiting holes 8 located on the same circumference, and each limiting hole 8 is located at the same radial length as the axial countersunk hole 7. By rotating the rear fixing block 104, different limiting holes 8 can be aligned with the axial countersunk holes 7. Assuming that in the initial state, the guide pin 106 is simultaneously located in the axial countersunk hole 7 and one of the limiting holes 8, meaning the rear fixing block 104 is relatively fixed to the sliding plate 102, when it is necessary to adjust the circumferential position of the hole to be processed, the guide pin 106 is pushed into the axial countersunk hole 7, causing the guide pin 106 to disengage from its limiting hole 8. At this time, the rear fixing block 104 can rotate relative to the sliding plate 102. After rotating to the designated position, under the elastic force of the return spring 105, the guide pin 106 falls back into one of the limiting holes 8 of the rear fixing block 104, fixing the rear fixing block 104 and the sliding plate 102 again. Since the model of the rear fixing block 104 matches that of the housing 3, when the hole to be processed reaches the processing position, there will always be a limiting hole 8 that engages with the guide pin 106.

[0040] For the retraction movement of the guide pin 106, a radial hole 9 communicating with the axial countersunk hole 7 can be provided on the outer peripheral surface of the sliding plate 102, which is achieved by manually pushing the guide pin 106. In a preferred embodiment, a pull rod 107 is inserted radially into the guide pin 106. The pull rod 107 is inserted into the axial countersunk hole 7 through the radial hole 9, and the pull rod 107 can be pulled to drive the guide pin 106 to move, making the operation easier. Since the pull rod 107 needs to move back and forth, the cross-sectional shape of the radial hole 9 is oval. The connection state between the rear fixing block 104 and the sliding block can also be determined by the back and forth position of the pull rod 107 in the radial hole 9.

[0041] Typically, the device also includes a base 10, a fixed plate 101, a sliding plate 102, and a clamping part 2 mounted on the base 10. The fixed plate 101 is fixedly connected to the base 10, the sliding plate 102 is slidably connected to the base 10, and the clamping part 2 can be either fixedly or slidably connected to the base 10. The slidable connection between the sliding plate 102 and the base 10 is for the movement of the components themselves and does not require fixation. The slidable connection between the clamping part 2 and the base 10 is to accommodate different motor models by adjusting the position of the clamping part 2. For installation on the same type of motor housing 3, the position of the clamping part 2 on the base 10 is fixed.

[0042] Regarding the sliding connection between the sliding plate 102 and the base 10:

[0043] As shown in Figure 1, a slide rail 11 is provided on the base 10, and the sliding plate 102 slides in cooperation with the slide rail 11.

[0044] Regarding the connection between clamping part 2 and base 10:

[0045] As shown in Figures 1 and 4, the base 10 has a long groove 12. A support plate 13 and a slider 14 are respectively positioned above and below the long groove 12. The clamping part 2 is fixed to the support plate 13, and the support plate 13 and slider 14 are fixed together by a bolt assembly. The length direction of the long groove 12 is parallel to the axial direction of the device. When the bolt assembly is loosened, the position of the clamping part 2 in the front-back direction can be adjusted. In the structure shown in Figure 4, the slider 4 itself has internal threads and can be used as a nut. The bolt assembly consists of a bolt and a slider.

[0046] Working principle:

[0047] First, the guide pin 106 is moved inward into the axial countersunk hole 7 by the pull rod 107, while the rear fixing block 104 is rotated to allow the guide pin 106 to slide smoothly into the limiting hole 8 on the rear fixing block 104, ensuring that the rear fixing block 104 does not rotate relative to the guide pin 106. Next, one side of the housing 3 is placed into the front fixing block 103, and the rubber handle of the push-pull quick clamp is pulled to provide a pre-position for the housing 3 with the front fixing block 103 and the rear fixing block 104. At this time, the housing 3 is not fully clamped, and the housing 3 and the rear fixing part can rotate relative to each other. Then, the housing 3 is rotated so that the hole to be processed on the housing 3 is concentric with the guide hole 4, and the rubber handle of the push-pull quick clamp is tightened to ensure that the housing 3 and the device do not rotate relative to each other. Finally, pull the lever 107 to control the guide pin 106 to move backward, rotate the machine housing 3, the front fixing block 103, and the rear fixing block 104 as a whole, so that the hole to be processed on the machine housing 3 is vertically upward, and the guide pin 106 can smoothly slide into the rear fixing block 104, ensuring that the machine housing 3 and the device do not rotate relative to each other, and completing the processing of the hole to be processed.

[0048] Example 2

[0049] In Embodiment 1, it is necessary to align the hole to be machined with the guide hole 4. This requires marking the hole to be machined on the housing 3 beforehand, ensuring that the mark aligns with the guide hole 4. However, in actual operation, the mark is difficult to see with the naked eye, which can easily lead to hole position deviation. Therefore, this embodiment makes the following improvement:

[0050] The circumferential surface 6 of the rear fixing block 104 also has a guide hole 15 corresponding to the positioning hole 301 on the housing 3. When the positioning member 16 is inserted into both the positioning hole 301 and the guide hole 15, the hole to be processed is aligned with the guide hole 4. The positioning hole 301 is a pre-machined hole on the housing 3. The positioning member 16 can be a pin or a dowel. By aligning the positioning member 16, the positioning hole 301 and the guide hole 15 are made coaxial, ensuring the accuracy of the machining position of the hole to be processed.

[0051] In this embodiment, there is only one hole to be processed. Preferably, the guide hole 15 and the guide hole 4 are arranged at a 180° interval, as shown in Figures 2 and 3.

[0052] The guide hole 15 and the guide hole 4 can be circular holes. In other alternative embodiments, the guide hole 15 and the guide hole 4 can also be oblong grooves, and the major axis of the guide hole 15 and the guide hole 4 is parallel to the axial direction of the housing 3. This allows for a certain front-to-back positional deviation of the guide hole 15 and the guide hole 4, as long as the circumferential angle is accurate, thus reducing the manufacturing precision requirements of the device.

[0053] The working principle of this embodiment is as follows:

[0054] First, the guide pin 106 is moved into the axial countersunk hole 7 by the pull rod 107, while the rear fixing block 104 is rotated to allow the guide pin 106 to slide smoothly into the limiting hole 8 on the rear fixing block 104, ensuring that the rear fixing block 104 does not rotate relative to the front fixing block 103. Next, one side of the housing 3 is placed into the front fixing block 103, and the rubber handle of the push-pull quick clamp is pulled to provide a pre-position for the housing 3 by the front fixing block 103 and the rear fixing block 104. At this time, the housing 3 is not fully clamped, and the housing 3 and the rear fixing part can rotate relative to each other. Then, the housing 3 is rotated so that the positioning hole 301 on the housing 3 is concentric with the guide hole 15, and the positioning part 16 is used to guide the two holes (as shown in Figure 6). The rubber handle of the push-pull quick clamp is then tightened to ensure that the housing 3 and the device do not rotate relative to each other. Finally, pull the lever 107 to control the guide pin 106 to move backward, rotate the machine housing 3, the front fixing block 103, and the rear fixing block 104 as a whole, so that the hole to be processed on the machine housing 3 is vertically upward, and the guide pin 106 can smoothly slide into the rear fixing block 104, ensuring that the machine housing 3 and the device do not rotate relative to each other, and use the positioning part 16 to check again to complete the processing of the hole to be processed.

[0055] This invention provides pre-positioning for the housing 3 using the front fixing block 103 and the rear fixing block 104, and then uses the positioning component 16 to perform concentricity correction and inspection of the hole positions, which can effectively reduce positioning errors. Furthermore, for the same housing 3, processing and clamping at different angles, it is only necessary to loosen the guide pin 106 and rotate the housing 3 to achieve angle change clamping, which can effectively avoid repeated positioning errors during disassembly.

[0056] In the description of this utility model, it should be understood that the terms "front", "rear", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0057] In this specification, the illustrative expressions of the terms do not necessarily refer to the same embodiments. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments.

[0058] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A housing drilling and positioning device, characterized in that: The device includes a positioning guide part (1) and a clamping part (2). The positioning guide part (1) includes a fixed plate (101), a sliding plate (102), a limiting component, and a locking component. The sliding plate (102) slides between the fixed plate (101) and the clamping part (2). The limiting component is rotatably connected to the fixed plate (101) and the sliding plate (102), and the two ends of the housing (3) are clamped between the limiting component. The limiting component has a guide hole (4) corresponding to the hole to be processed on the housing (3). The clamping part (2) clamps the housing (3) axially by pushing the sliding plate (102). The locking component connects the limiting component and the sliding plate (102). When the locking component is in the unlocked state, the limiting component can rotate relative to the sliding plate (102). When the locking component is in the locked state, the limiting component is circumferentially fixed to the sliding plate (102).

2. The casing drilling and positioning device according to claim 1, characterized in that: The limiting assembly includes a front fixing block (103) rotatably connected to the fixing plate (101) and a rear fixing block (104) rotatably connected to the sliding plate (102). Both the front fixing block (103) and the rear fixing block (104) have a shaft end face (5) that abuts against the end of the housing (3) and a circumferential surface (6) that contacts the outer circumferential surface of the housing (3). The guide hole (4) is located on the circumferential surface (6) of the rear fixing block (104).

3. The housing drilling and positioning device according to claim 2, characterized in that: The circumferential surface (6) of the rear fixing block (104) also has a guide hole (15) corresponding to the positioning hole (301) on the housing (3). When the positioning member (16) is inserted into the positioning hole (301) and the guide hole (15) at the same time, the hole to be processed is aligned with the guide hole (4).

4. The housing drilling and positioning device according to claim 3, characterized in that: The guide hole (15) and the guide hole (4) are arranged at 180° intervals.

5. The housing drilling and positioning device according to claim 3, characterized in that: The guide hole (15) and guide hole (4) are oval grooves, and the long axis of the guide hole (15) and guide hole (4) is parallel to the axial direction of the housing (3).

6. The housing drilling and positioning device according to claim 2, characterized in that: The locking assembly includes a return spring (105) and a guide pin (106). The end of the sliding plate (102) has an axial countersunk hole (7) for accommodating the return spring (105) and the guide pin (106). The end of the rear fixing block (104) has a plurality of limiting holes (8) located on the same circumference, and each limiting hole (8) and the axial countersunk hole (7) are located at the same radial length.

7. The housing drilling and positioning device according to claim 6, characterized in that: The outer peripheral surface of the sliding plate (102) has a radial hole (9) that communicates with the axial countersunk hole (7). A guide pin (106) is radially connected to a pull rod (107), which is inserted into the axial countersunk hole (7) through the radial hole (9).

8. The housing drilling and positioning device according to claim 1, characterized in that: The device also includes a base (10), on which the fixing plate (101), sliding plate (102) and clamping part (2) are disposed.

9. The housing drilling and positioning device according to claim 8, characterized in that: The base (10) is provided with a slide rail (11), and the sliding plate (102) slides in cooperation with the slide rail (11).

10. The housing drilling and positioning device according to claim 8, characterized in that: The base (10) also has a long groove (12), and a support plate (13) and a slider (14) are respectively provided above and below the long groove (12). The clamping part (2) is fixed on the support plate (13), and the support plate (13) and the slider (14) are fixed by bolt assembly.

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