Positioning device and positioning method for motor shell drilling

Abstract

The invention relates to the field of motor shell machining, and discloses a positioning device and method for motor shell drilling, the positioning device comprises a shell, a supporting assembly used for containing a motor shell is slidably installed in the shell, and two clamping seats used for achieving motor shell positioning are slidably installed on the supporting assembly; the shell is provided with an adjusting assembly which is clamped with the two clamping seats in a sliding mode and is in transmission connection with the supporting assembly. When the motor shell is placed on the supporting assembly, the supporting assembly can descend along the shell, and at the moment, the two clamping seats can be driven by the adjusting assembly to be relatively close to each other along the supporting assembly. Through cooperation of the shell, the supporting assembly, the clamping bases, the adjusting assembly and the like, when the motor shell drives the supporting assembly to descend, the two clamping bases can be driven to be automatically folded towards the middle, and then rapid and automatic positioning of the motor shell is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of motor shell processing, and in particular to a positioning device and a positioning method for drilling a motor shell. Background Art

[0002] The outer shell of the motor is mainly used to protect the electrical and mechanical components inside the motor from the external environment. When the motor shell is used, it is usually necessary to drill or cut holes on the motor shell to meet specific functional requirements, such as installation, ventilation, heat dissipation, wire outlet, etc.

[0003] For example, Chinese patent publication number CN112317818A discloses a workpiece fixing seat for drilling holes in motor housing castings, including a casting fixing structure, the casting fixing structure including a casting clamping table, a slide groove is provided inside the casting clamping table, and the bottom end of the casting clamping table is symmetrically provided with clamping table mounting feet, the casting clamping table is provided with a positioning support plate structure and a sliding extrusion plate structure at the position corresponding to the slide groove, and one end of the casting clamping table is penetrated by a support plate screw structure. It cancels the separate screw plus casting support plate structure and changes to a double plate structure, and the casting extrusion plate arranged on one side of the casting support plate and the support plate are fixed by a sliding shaft limit, and a spring is embedded on the outside of the sliding shaft, so that the casting can be squeezed and fixed without moving the support plate to close to the casting, and after the casting is processed, the casting can be removed by pulling the extrusion plate backwards, and the fixing and removal of the casting is faster and more convenient, which improves work efficiency.

[0004] This application realizes the positioning of the motor housing by moving the extrusion plate driven by a screw. The screw needs to be rotated multiple times to achieve the offset positioning with the motor housing. The overall positioning speed is slow, and the influence of gravity of the motor housing needs to be overcome, which makes the workload heavy and has certain limitations in use.

[0005] Therefore, it is necessary to provide a positioning device and a positioning method for drilling holes in a motor housing to solve the above technical problems. Summary of the invention

[0006] The object of the present invention is to provide a positioning device and a positioning method for drilling a hole in a motor housing, so as to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, a motor casing drilling positioning device is designed which can realize the rapid and automatic positioning of the motor casing.

[0008] Based on the above ideas, the present invention provides the following technical solutions: a positioning device for drilling a hole in a motor shell, comprising a shell, a support assembly for placing the motor shell is slidably installed inside the shell, two clamping seats for positioning the motor shell are slidably installed on the support assembly, and an adjustment assembly is provided on the shell that is slidably engaged with the two clamping seats and is transmission-connected to the support assembly; when the motor shell is placed on the support assembly, the support assembly will descend along the shell, and at this time the two clamping seats can be driven to be relatively close along the support assembly through the adjustment assembly.

[0009] As a further solution of the present invention: the support assembly includes a base that slidably cooperates with the shell, a plurality of springs are fixedly installed between the inner wall of the base and the shell, and a vertical rack that is transmission-connected to the adjustment assembly is fixedly installed on the top of the base.

[0010] As a further solution of the present invention: the adjustment component includes a gear rotatably installed on the shell and a transverse rack slidably engaged with the clamp seat, the vertical rack and the two transverse racks are connected to the gear transmission, and when the vertical rack moves with the base, the two transverse racks can be driven to move through the gear; the two transverse racks are symmetrically staggered based on the gear, and the vertical rack and the transverse rack are staggered front and back; when the gear is driven, the two transverse racks are closed towards the middle.

[0011] As a further solution of the present invention: a first slot for slidingly placing the transverse rack is opened on opposite sides of the two clamping seats. The transverse rack can slide up and down along the clamping seat based on the first slot and can drive the clamping seat to move along the length direction of the transverse rack.

[0012] As a further solution of the present invention: a partition plate movably fitted with the two clamping seats is fixedly mounted on the base, and when the two clamping seats move based on the base, the clamping seats can slide relative to the partition plate.

[0013] As a further solution of the present invention: the clamping seat includes a slider that slides with the base, the first slot is opened on the slider, a support rod is slidably installed on the surface of the slider, a plurality of clamping rods are arranged at the bottom of the support rod, the support rod and the clamping rod are connected by a sliding assembly, and the side wall of the clamping rod close to the partition is flush with the side wall of the support rod close to the partition.

[0014] As a further solution of the present invention: a second slot is provided on the surface of the slider for sliding the support rod, the support rod can slide up and down based on the second slot, and the slider can drive the support rod to move along the length direction of the partition.

[0015] As a further solution of the present invention: a third slot for accommodating the sliding assembly is provided on opposite sides of the two support rods, and the sliding assembly can move along the length direction of the support rod based on the third slot.

[0016] As a further solution of the present invention: the sliding assembly includes a sleeve slidably engaged with the third slot and an inner shaft fixedly connected to the clamping rod, and the inner shaft is slidably installed inside the sleeve; when the sleeve moves along the third slot, the clamping rod can be driven to move synchronously through the inner shaft.

[0017] The present invention also provides the following technical solution: a positioning method for drilling a hole in a motor shell. When the motor shell is placed on a support assembly, the motor shell, the clamp seat and the support assembly will descend synchronously. When the support assembly descends, the two clamp seats can be driven relatively close through the adjustment assembly to achieve limiting of the two ends of the motor shell.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: through the cooperation among the shell, support assembly, clamp seat and adjustment assembly, when the motor shell drives the support assembly to descend, the two clamp seats can be driven to automatically close to the middle, thereby realizing rapid positioning of the motor shell, and utilizing the gravity of the motor shell to realize automatic positioning so as to make the overall efficiency higher; after positioning, it is also convenient to process the two ends of the motor shell, thereby facilitating the coaxiality of the two ends after processing, and having higher practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments: Figure 1 It is a front perspective view of the overall structure of the present invention; Figure 2 It is a top view of the overall structure of the present invention; Figure 3 It is a schematic diagram of the internal structure of the housing of the present invention; Figure 4 for Figure 2 A magnified view of the structure at center; Figure 5 It is a schematic diagram of the partition and the clamping seat structure of the present invention; Figure 6 It is a schematic diagram of the structure of the slider, the support rod and the clamping rod of the present invention; Figure 7 It is a schematic diagram of the structure of the slider and the second slot of the present invention; Figure 8 It is a schematic diagram of the support rod and the third slot structure of the present invention; Fig. 9 It is a schematic diagram of the support rod and telescopic assembly structure of the present invention; Fig.10 It is a schematic diagram of the support rod and flow channel structure of the present invention.

[0020] In the figure: 1. shell; 2. supporting assembly; 3. clamping seat; 4. adjusting assembly; 5. partition; 6. telescopic assembly; 201. base; 202. spring; 203. vertical rack; 301. first slot; 302. through hole; 303. slider; 304. support rod; 305. clamping rod; 306. inner shaft; 307. sleeve; 308. second slot; 309. third slot; 401. gear; 402. horizontal rack; 601. one-way air inlet; 602. flow channel; 603. one-way air outlet. DETAILED DESCRIPTION Example

[0021] See also Figures 1 to 5 The embodiment of the present invention provides a positioning device for drilling a motor shell, which is mainly used to realize rapid positioning of the motor shell and achieve effective coaxial processing. The device includes a shell 1, and a support component 2 for placing the motor shell is slidably arranged inside the shell 1, and two clamping seats 3 for realizing the positioning of the motor shell are slidably installed on the support component 2, and an adjustment component 4 is provided on the shell 1, which is slidably engaged with the two clamping seats 3 and is transmission-connected to the support component 2.

[0022] When the motor housing is placed on the support assembly 2, the support assembly 2 will drop vertically along the shell 1 due to the gravity of the motor housing. When the motor housing drops, the two clamping seats 3 can be driven to be relatively close along the support assembly 2 through the adjustment assembly 4, thereby automatically realizing the relative positioning of the motor housing, and the positioning is performed simultaneously on both ends of the motor housing.

[0023] It should be noted that the drilling module for drilling the motor housing in this embodiment is not shown in the figure. It is located on both sides of the housing 1. The drilling module can move to complete the drilling process. Its working principle is an existing mature technology and will not be described in detail here. When the motor housing is positioned, the drilling module can approach and drill the motor housing; correspondingly, the processing method can be simultaneous processing at both ends, or processing one end first and then the other end, which is not specifically limited here.

[0024] Reference Figures 2 to 4 In this embodiment, preferably: the support assembly 2 includes a base 201 that is slidably matched with the housing 1, and a plurality of springs 202 are fixedly installed between the inner wall of the base 201 and the bottom wall of the housing 1, and a vertical rack 203 that is transmission-connected to the adjustment assembly 4 is fixedly installed on the top of the base 201. When the motor housing is placed on the base 201, the base 201 drives the vertical rack 203 to synchronously descend and squeeze the spring 202, and the vertical rack 203 drives the two clamping seats 3 to close to the middle through the adjustment assembly 4, and finally positions the motor housing in the middle.

[0025] It is understandable that the clamping seat 3 slides left and right along the top of the base 201. At the same time, the base 201 is in an inverted U shape as a whole. The base 201 can only slide up and down along the shell 1 and will not deviate forward, backward, left or right.

[0026] Reference Figure 3 and Figure 4 In this embodiment, preferably, the adjustment assembly 4 includes a gear 401 rotatably mounted on the inner wall of the housing 1 and a horizontal rack 402 slidably engaged with the clamping seat 3. Since there are two clamping seats 3, there are also two horizontal racks 402. The vertical rack 203 and the two horizontal racks 402 are both connected to the gear 401 in a transmission manner. When the vertical rack 203 moves with the base 201, the gear 401 can be driven to rotate, thereby driving the two horizontal racks 402 to move.

[0027] In the above structure, the two horizontal racks 402 are symmetrically arranged based on the gear 401, so that when the gear 401 is driven, the two clamping seats 3 can be driven to close to the middle through the two horizontal racks 402. Among them, the two horizontal racks 402 can be in a state of vertical correspondence, and the vertical rack 203 is located at the front or rear side of the horizontal rack 402. In order to prevent the horizontal rack 402 from being offset and misaligned, the horizontal rack 402 can also be set to slide left and right with the inner wall of the housing 1. In this state, the vertical rack 203 needs to be located at the front side of the horizontal rack 402.

[0028] It should be noted that the vertical rack 203 can be adjusted accordingly based on the left and right arrangement of the gear 401, as long as the vertical rack 203 is lowered along with the base 201, the gear 401 can drive the two horizontal racks 402 to close to the middle.

[0029] Reference Figure 1 and Figure 2 In this embodiment, preferably: the first slots 301 are provided on opposite sides of the two clamping seats 3, and the horizontal rack 402 is slidably engaged in the first slots 301; when the base 201 descends, the two clamping seats 3 are driven to descend synchronously, and at this time, the horizontal rack 402 moves along the first slots 301 and keeps meshing with the gear 401. Correspondingly, the horizontal rack 402 will not be separated from the first slots 301, so the first slots 301 are dovetail slots, T-shaped or other special shapes, as long as they are not rectangular.

[0030] Reference Figure 1 and Figure 5In this embodiment, preferably: in order to prevent the waste generated during processing from affecting the use of the gear 401, the horizontal rack 402 and the vertical rack 203, a partition 5 is fixedly installed on the base 201, and the partition 5 can block the gear 401, the horizontal rack 402 and the vertical rack 203, thereby preventing the waste from entering and causing jamming. Furthermore, the surfaces of the two clamping seats 3 are penetrated along the left and right directions to provide through holes 302 for the partition 5 to be placed. When the two clamping seats 3 are closed toward the middle, the partition 5 moves along the through holes 302.

[0031] When in use, the motor housing is placed on the base 201 through the sling, the base 201 drives the vertical rack 203 to descend along the housing 1 and squeeze the spring 202, the vertical rack 203 drives the gear 401 to rotate and drives the two horizontal racks 402 to approach the middle, the horizontal rack 402 drives the clamping seat 3 to move synchronously through the first slot 301, and finally the two clamping seats 3 position the motor housing in the middle. Then the drilling module can start to approach the motor housing and complete the drilling process. At this time, both ends can be processed synchronously or sequentially, and the coaxiality of the two ends of the motor housing can be guaranteed after processing.

[0032] To summarize, through the coordination of structures such as the base 201, the vertical rack 203, the clamping seat 3 and the horizontal rack 402, when the motor housing drives the base 201 to descend, the two clamping seats 3 can be driven to automatically close to the middle, thereby realizing rapid positioning of the motor housing, and utilizing the gravity of the motor housing to realize automatic positioning so as to make the overall efficiency higher; after positioning, it is convenient to process the two ends of the motor housing, thereby facilitating the coaxiality of the two ends after processing, and it is more practical. Example

[0033] See also Figures 1 to 8 On the basis of the first embodiment, considering that the clamp seat 3 always keeps in contact with the motor housing, if the part blocked by the clamp seat 3 needs to be processed, it will cause interference so that the drilling module cannot be smoothly moved into place. At this time, only by rotating the motor housing in the circumferential direction can the blocked part be exposed and processed, thereby affecting the overall drilling progress of the motor housing.

[0034] Therefore, in this embodiment, the setting of the clamp seat 3 is improved: at this time, the clamp seat 3 includes a slider 303 that is slidably matched with the base 201 to the left and right, and the first slot 301 is opened on the side wall of the slider 303. The front surface of the slider 303 is opened with a second slot 308. The slider 303 is installed with a support rod 304 by sliding up and down through the second slot 308. A plurality of clamp rods 305 are set at the bottom of the support rod 304. The support rod 304 and the clamp rod 305 are connected by a sliding assembly, thereby ensuring the synchronous left and right movement of the support rod 304 and the clamp rod 305.

[0035] In the above structure, refer to Figure 7The second card slot 308 has the same opening shape as the first card slot 301, and the first card slot 301 and the second card slot 308 are in a vertical state based on the setting direction of the slider 303. At this time, the support rod 304 can slide up and down based on the second card slot 308 and the support rod 304 will not fall off.

[0036] At this time, the surface of the partition 5 away from the slider 303 is in an exposed state, which ensures that the waste chips do not affect the use of the gear 401 and also ensures that the waste chips are quickly discharged.

[0037] The two support rods 304 are provided with a third slot 309 on one side thereof for the sliding assembly to slide. The sliding assembly can slide freely along the length direction of the support rod 304 based on the third slot 309, so that the clamping rod 305 can also move accordingly. In order to ensure the stable contact between the clamping rod 305 and the motor housing, the side wall of the clamping rod 305 close to the gear 401 is flush with the side wall of the support rod 304 close to the gear 401.

[0038] Reference Figure 7 and Figure 8 In this embodiment, preferably: the sliding assembly includes a sleeve 307 that is slidably engaged with the third slot 309 and an inner shaft 306 that is fixedly connected to the clamping rod 305. The inner shaft 306 is slidably installed inside the sleeve 307, so that the inner shaft 306 can slide up and down along the inner wall of the sleeve 307. When the sleeve 307 moves along the third slot 309, the clamping rod 305 can be driven to move synchronously through the inner shaft 306.

[0039] When in use, through the base 201, the vertical rack 203 and the horizontal rack 402 and other structures, the two clamping seats 3 can be automatically closed to the middle to position the motor housing. The working process and effect of this part are the same as those in the first embodiment, and will not be repeated here. The difference is that when the base 201 drives the vertical rack 203 to descend along the housing 1, and drives the two sliders 303 to close to the middle through the gear 401 and the horizontal rack 402, the slider 303 drives the support rod 304, the sleeve 307, the inner shaft 306 and the clamp rod 305 to move synchronously through the second slot 308, and finally the support rod 304 and the clamp rod 305 are against the end of the motor housing.

[0040] In this state, the drilling modules are close to complete the processing, and the spacing formed between the two adjacent clamping rods 305 is convenient for the drilling modules to perform processing. At the same time, the clamping rod 305 can slide along the support rod 304 to further adjust the spacing, and the support rod 304 can slide up and down along the second slot 308 to further adjust the position (at this time, the support rod 304 drives the sleeve 307 to rise and fall, while the inner shaft 306 and the clamping rod 305 do not move), so that the lower side of the motor housing can be fully exposed, thereby facilitating the completion of the drilling processing of the entire end of the motor housing.

[0041] Compared with the first embodiment, the support rod 304 and the clamp rod 305 can be adjusted quickly through the cooperation of the slider 303, the support rod 304, the second slot 308 and the third slot 309. The lower part of the motor housing can be fully exposed without rotating it, which is convenient for the drilling module to process different drilling positions and can effectively improve the overall drilling efficiency. The overall design is combined with the setting of the clamp seat 3. The support rod 304 can be adjusted up and down, which can also facilitate the exposure of more areas of the motor housing, which is conducive to the hoisting and removal of the motor housing in the later stage. At the same time, the movable design of the support rod 304 and the clamp rod 305 and the initial spacing design are also convenient for the transfer of waste chips generated during processing, which is more conducive to the overall drilling processing of the motor housing and has stronger applicability. Example

[0042] See also Figures 1 to 10 On the basis of the second embodiment, considering that the waste chips generated during processing will accumulate on the base 201 and close to the end of the motor housing, which may affect the sliding of the clamping rod 305 along the bottom of the support rod 304, and thus affect the exposure of the part of the motor housing to be processed, it is necessary to clean it in advance to ensure the overall processing progress.

[0043] Therefore, the clamping rod 305 is further improved: a telescopic assembly 6 is now provided between the sleeve 307, the inner shaft 306 and the clamping rod 305. When a large amount of waste debris is accumulated on the base 201 and between two adjacent clamping rods 305, the telescopic assembly 6 can be used to simultaneously clean all the waste debris, thereby ensuring the corresponding movement of the clamping rod 305 along the base 201.

[0044] Reference Fig. 9 and Fig.10 In this embodiment, preferably: the telescopic assembly 6 includes a flow channel 602 opened on the inner shaft 306 and the clamp rod 305, a one-way air inlet 601 is opened on the side wall of the sleeve 307, and a one-way air outlet 603 connected to the flow channel 602 is opened on the side wall of the clamp rod 305 near the bottom. When the clamp rod 305 is kept stationary and the support rod 304 is lifted upward, air is taken into the sleeve 307 from the one-way air inlet 601, and when the support rod 304 is pressed down, the gas inside the sleeve 307 is discharged from the flow channel 602 and the one-way air outlet 603.

[0045] It should be noted that the one-way design of the one-way air inlet 601 and the one-way air outlet 603 are both realized by existing one-way valves, which are existing mature technologies and will not be described in detail here. At the same time, the air outlet direction of the one-way air outlet 603 can be adjusted accordingly so that the air outlet is outward, thereby having the effect of blowing the waste chips outward.

[0046] When in use, through the base 201, vertical rack 203 and horizontal rack 402 and other structures, the two clamping seats 3 can be automatically closed to the middle to position the motor housing; through the slider 303, support rod 304 and the third slot 309 and other structures, it is convenient for the drilling module to process different drilling positions. The working process and effect of this part are the same as those in the first embodiment and will not be repeated here. The difference is: when a lot of waste chips are accumulated in two adjacent clamping rods 305, the support rod 304 is pressed down to allow the sleeve 307 to exhaust air outwards through the flow channel 602 and the one-way air outlet 603, which can effectively blow away the waste chips between the two adjacent clamping rods 305, thereby ensuring the reciprocating movement of the clamping rod 305 along the support rod 304; at the same time, lifting the support rod 304 can store air in the sleeve 307 through the one-way air inlet 601.

[0047] Compared with the second embodiment, by cooperating with the structures such as the sleeve 307, the inner shaft 306, the clamping rod 305 and the flow channel 602, the downward pressing support rod 304 can realize the blowing and cleaning of the waste chips between the two adjacent clamping rods 305, ensuring the stable movement of the subsequent clamping rod 305 along the support rod 304, and then quickly exposing the part to be processed, so that the overall drilling process can be carried out smoothly. The overall design is combined with the setting of the support rod 304 and the clamping rod 305, which reduces the accumulation of waste chips on the base 201, facilitates the direct placement and processing of the next motor housing, is conducive to the rapid progress of the overall drilling process, and can also reduce the cleaning burden of the staff; at the same time, the overall operation is simple, so that the labor burden of the staff is also reduced, meeting more needs in actual use. Example

[0048] See also Figures 1 to 10 An embodiment of the present invention provides a positioning method for drilling a hole in a motor casing. This embodiment adopts any one of embodiments one to three, and therefore also has corresponding beneficial effects.

Claims

1. A positioning device for drilling a motor housing, comprising a housing, characterized in that: A support assembly for placing the motor housing is slidably installed inside the shell, two clamping seats for positioning the motor housing are slidably installed on the support assembly, and an adjustment assembly is provided on the shell that is slidably engaged with the two clamping seats and is transmission-connected to the support assembly; when the motor housing is placed on the support assembly, the support assembly will descend along the shell, and at this time, the two clamping seats can be driven to move relatively close to each other along the support assembly through the adjustment assembly; The support assembly comprises a base which is slidably matched with the shell, a plurality of springs are fixedly installed between the inner wall of the base and the shell, and a vertical rack which is transmission-connected with the adjustment assembly is fixedly installed on the top of the base.

2. The motor housing drilling positioning device according to claim 1, characterized in that: The adjustment assembly includes a gear rotatably mounted on the shell and a transverse rack slidably engaged with the clamp seat. The vertical rack and the two transverse racks are connected to the gear transmission. When the vertical rack moves with the base, the two transverse racks can be driven to move through the gear; the two transverse racks are symmetrically staggered based on the gear, and the vertical rack and the transverse rack are staggered front and back; when the gear is driven, the two transverse racks are closed towards the middle.

3. The motor housing drilling positioning device according to claim 2, characterized in that: The first clamping groove for slidingly placing the transverse rack is opened on the opposite side of the two clamping seats. The transverse rack can slide up and down along the clamping seat based on the first clamping groove, and can drive the clamping seat to move along the length direction of the transverse rack.

4. The motor casing drilling positioning device according to any one of claims 1 to 3, characterized in that: A partition plate movably fitted with the two clamping seats is fixedly mounted on the base. When the two clamping seats move based on the base, the clamping seats can slide relative to the partition plate.

5. The motor casing drilling positioning device according to claim 4, characterized in that: The clamp seat includes a slider that slides with the base, a first slot is provided on the slider, a support rod is slidably mounted on the surface of the slider, a plurality of clamp rods are provided at the bottom of the support rod, the support rod and the clamp rod are connected by a sliding assembly, and the side wall of the clamp rod close to the partition is flush with the side wall of the support rod close to the partition.

6. The motor casing drilling positioning device according to claim 5, characterized in that: The surface of the sliding block is provided with a second slot for slidingly placing the support rod. The support rod can slide up and down based on the second slot, and the sliding block can drive the support rod to move along the length direction of the partition.

7. The motor casing drilling positioning device according to claim 5, characterized in that: The opposite side of the two support rods is provided with a third slot for accommodating the sliding assembly, and the sliding assembly can move along the length direction of the support rod based on the third slot.

8. The motor casing drilling positioning device according to claim 7, characterized in that: The sliding assembly includes a sleeve slidably engaged with the third slot and an inner shaft fixedly connected to the clamp rod, the inner shaft being slidably mounted inside the sleeve; when the sleeve moves along the third slot, the clamp rod can be driven to move synchronously through the inner shaft.

9. A positioning method for drilling a hole in a motor housing, using the positioning device according to any one of claims 1 to 8, characterized in that: When the motor housing is placed on the support assembly, the motor housing, the clamp seat and the support assembly will descend synchronously. When the support assembly descends, the two clamp seats can be driven relatively close by the adjustment assembly to achieve the limit of the two ends of the motor housing.

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