A kind of automobile wiper motor shell processing drilling machine facilitating chip removal

By combining countersunk drill bits with magnetic adsorption, the problem of drill bit wear and precision reduction caused by chip accumulation in the machining of automotive wiper motor housings has been solved, achieving orderly chip removal and improved drilling accuracy.

CN119858056BActive Publication Date: 2025-12-12RUIAN JIXIANG AUTO PARTS CO LTD
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Patent Information

Application Number
CN202510274049.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2025-12-12
Estimated Expiration
2045-03-10

AI Technical Summary

Technical Problem

During the machining of automotive wiper motor housings, chip accumulation leads to accelerated drill bit wear, difficulty in dissipating heat, increased cutting force, and decreased drilling dimensional accuracy, affecting machining quality and potentially causing workpiece scrap.

Method used

A drilling machine for machining automotive wiper motor housings was designed to facilitate chip removal. It employs a combination of countersunk drill bits and magnetic adsorption. The countersunk hole is opened by synchronous feeding of the countersunk drill bit and the hole-opening drill bit. The orderly removal of chips is achieved by using magnets and centrifugal force, and the drilling accuracy is ensured by a buffer structure.

Benefits of technology

This technology enables the orderly removal of chips during the drilling process, reduces drill bit wear, improves drilling accuracy and production efficiency, avoids drill bit breakage and inaccurate hole diameter caused by chip accumulation, and ensures processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of automobile wiper motor shell processing drilling machines of chip removal, the present application relates to the technical field of drilling machine.The present application includes bottom plate, the top of bottom plate is fixedly connected with support, the outer side of cylinder is fixedly connected with mounting plate, the side of mounting plate away from cylinder is slidably connected with the inner side of support, hole drill is arranged inside cylinder, driving assembly is fixedly connected on the side of cylinder away from bottom plate, the output end of driving assembly extends to cylinder interior, and the output end of driving assembly is fixedly connected with the end of hole drill away from bottom plate, chip removal assembly is fixedly connected with the side of cylinder close to bottom plate, hole drill rotates and feeds, and is bored in the contact position of bottom plate and chip removal assembly, chip removal assembly is magnetically attracted to chip, avoids that chip splashes everywhere, and the orderly discharge of chip is facilitated.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of drilling machines, in particular to an automobile wiper motor shell machining drilling machine facilitating chip removal. BACKGROUND

[0002] The automobile wiper motor shell is an important component of the automobile wiper motor, is generally made of aluminum alloy or the like, has good strength, corrosion resistance and heat dissipation, and has the functions of protecting the precise components such as the winding, the commutator and the brush inside the wiper motor from the influence of external dust, moisture and vibration, and ensuring the normal operation of the motor. In addition, the shell is usually provided with mounting holes and the like, facilitating the installation of the wiper motor on the automobile, and the reasonable structure design is helpful to the connection and cooperation of the motor and the wiper transmission mechanism, so that the swinging action of the wiper can be realized to meet the demand of cleaning the windshield in different weather conditions.

[0003] When the mounting holes on the automobile wiper motor shell are machined, a large amount of chips will be generated, the chips will be accumulated in the holes, the friction between the drill bit and the hole wall and the chips will be intensified, the cutting force will be increased, the drill bit will be quickly worn or even broken, the heat generated by the chip accumulation is difficult to dissipate, the temperature of the drill bit is increased, the hardness and wear resistance of the drill bit are reduced, the service life is affected, the chip accumulation will also cause the decrease of the drilling size precision, the increase of the surface roughness, the problems of the increase or decrease of the hole diameter and the unsmooth hole wall, and the like, which seriously affect the machining quality and even cause the workpiece to be scrapped, so the automobile wiper motor shell machining drilling machine facilitating chip removal is proposed. SUMMARY

[0004] To solve the above technical problems, the application provides an automobile wiper motor shell machining drilling machine facilitating chip removal, which comprises:

[0005] A bottom plate, the top of the bottom plate is fixedly connected with a support;

[0006] A drilling mechanism, the drilling mechanism is slidably connected with the inner side of the support, and the drilling mechanism is arranged directly above the bottom plate;

[0007] The drilling mechanism comprises:

[0008] A cylinder, the outer side of the cylinder is fixedly connected with a mounting plate, and the side, away from the cylinder, of the mounting plate is slidably connected with the inner side of the support;

[0009] A hole drilling bit, the hole drilling bit is arranged in the cylinder;

[0010] A driving assembly, the driving assembly is fixedly connected with the side, away from the bottom plate, of the cylinder, the output end of the driving assembly extends into the cylinder, and the output end of the driving assembly is fixedly connected with the end, away from the bottom plate, of the hole drilling bit;

[0011] A chip removal assembly is fixedly connected to the side of the barrel close to the bottom plate;

[0012] The shell to be machined is fixed on the top of the bottom plate, the driving mounting plate is driven to move, the mounting plate drives the barrel to move, the barrel drives the driving assembly, the hole drilling bit and the chip removal assembly to move, the hole drilling bit approaches the shell to be machined, and the chip removal assembly contacts the bottom plate. The driving assembly is started, the driving assembly drives the hole drilling bit to rotate and feed, and the shell to be machined between the bottom plate and the chip removal assembly is drilled. At the same time, the chip removal assembly is started, the chip removal assembly magnetically attracts the cutting chips, avoids the cutting chips from splashing everywhere, and facilitates the orderly discharge of the cutting chips.

[0013] Further, the hole drilling bit is externally sleeved with a countersink drill bit, the inner side surface of the countersink drill bit is in sliding connection with the outer side surface of the hole drilling bit, and the outer side surface of the countersink drill bit is in sliding connection with the inner side surface of the barrel. The countersink drill bit is arranged, the countersink drill bit is driven to feed and rotate at the same time of drilling, and the countersink hole on the shell to be machined is once completed.

[0014] Further, the driving assembly comprises a rotary telescopic rod, the rotary telescopic rod is arranged on the side of the barrel away from the bottom plate, a protective cover is fixedly connected to the surface of the rotary telescopic rod, the protective cover is fixedly connected to the side of the barrel away from the bottom plate through bolts, the output end of the rotary telescopic rod extends to the inside of the barrel, and the output end of the rotary telescopic rod is fixedly connected to the end of the hole drilling bit away from the bottom plate. The rotary telescopic rod is started, the output end of the rotary telescopic rod rotates and feeds, and thus the shell to be machined is drilled.

[0015] Further, the output end of the rotary telescopic rod is sleeved with a limiting ring, the inner side surface of the limiting ring is in limiting sliding connection with the surface of the rotary telescopic rod, the limiting ring extends to the inside of the barrel, the outer side surface of the limiting ring is in limiting rotary connection with the inner side surface of the barrel, and the cross section of the limiting ring is in dovetail shape. The output end of the rotary telescopic rod rotates to drive the limiting ring to rotate, the output end of the rotary telescopic rod telescopes, and the limiting ring slides outside the rotary telescopic rod. The limiting ring in dovetail shape is arranged to limit the rotation of the rotary telescopic rod, shield the top of the barrel, avoid dust and impurities from falling into the inside of the barrel, and avoid corrosion of the hole drilling bit and the countersink drill bit.

[0016] Further, the rotating telescopic rod is provided with a ring plate on the side close to the bottom plate, the inner side surface of the ring plate is fixedly connected with the output end surface of the rotating telescopic rod, a convex column is fixedly connected on the side of the ring plate close to the bottom plate, the inner side surface of the convex column is rigidly connected with the inner side surface of the countersunk drill bit, and the convex column is uniformly distributed along the circumference of the ring plate, the output end of the rotating telescopic rod drives the feeding of the hole drilling bit, and at the same time, the ring plate and the convex column are moved, when the countersunk hole needs to be drilled, the position of the convex column is adjusted, the convex column is clamped into the countersunk drill bit, the countersunk drill bit is driven to feed synchronously with the hole drilling bit, and the countersunk hole mounting hole is completed at one time.

[0017] Further, the chip removal assembly comprises an outer shell, the inner side surface of the outer shell is fixedly connected with the outer side surface of the cylinder body, the outer shell is arranged on the side of the cylinder body close to the bottom plate, a rotating cylinder is arranged on the side of the outer shell close to the bottom plate, the outer side surface of the rotating cylinder is slidably connected with the inner side surface of the outer shell, a magnet is arranged in the rotating cylinder, the magnet is arranged in a C-shaped form, the magnet is open on the side away from the support, the inner side surface of the magnet is fixedly connected with the outer side surface of the cylinder body, and the magnet is an electromagnet, the rotating cylinder is made of a non-ferromagnetic material, the rotating cylinder is driven to rotate, and at the same time, the magnet is electrified, the magnet is used for adsorbing the cutting chip through the rotating cylinder, under the action of the adsorption force, the cutting chip can be more smoothly discharged, the magnet is arranged in a C-shaped form, when the rotating cylinder carrying the cutting chip rotates to the gap of the C-shaped magnet, the cutting chip is thrown out under the action of the centrifugal force of rotation, the magnet is fixedly connected with the cylinder body, so that the throwing position is fixed, and the cutting chip can be concentratedly recovered.

[0018] Further, the outer shell is fixedly connected with a chip removal cylinder on the side close to the bottom plate, and the chip removal cylinder is arranged at the opening of the magnet, the chip removal cylinder is arranged in a tapered form, the large-diameter end of the chip removal cylinder faces the magnet, and the inner and outer surfaces of the chip removal cylinder are covered with a rubber skin, the cutting chip thrown under the action of the centrifugal force enters the chip removal cylinder, and the cutting chip is recovered from the small opening end of the chip removal cylinder.

[0019] Further, the chip removal cylinder is fixedly connected with a flared plate on the side close to the support, the flared plate is arranged on the side of the cylinder body close to the bottom plate, the side of the flared plate close to the cylinder body is symmetrically provided with a baffle, the two baffles are fixedly connected with the side of the flared plate close to the cylinder body, and there is a gap between the side of the baffle away from the flared plate and the rotating cylinder, the flared plate supports the cutting chip below the entire gap of the magnet, so that the cutting chip is prevented from falling due to insufficient inertia of flying out, and the baffles are arranged to prevent the flying angle of the special-shaped cutting chip from changing, so that the situation that the cutting chip cannot be supported is avoided.

[0020] Further, the side away from the base plate of the drum is fixedly connected with a gear ring, the side close to the support of the gear ring is meshingly connected with a gear, and the gear ring and the gear are arranged inside the shell, the side away from the base plate of the gear is fixedly connected with a rotating shaft, one end away from the base plate of the rotating shaft penetrates through the shell, the inner side surface of the shell is rotationally connected with the surface of the rotating shaft, one end away from the base plate of the rotating shaft is fixedly connected with a servo motor, and the servo motor is inlaidly arranged inside the mounting plate, the surface of the servo motor is fixedly connected with the inner side surface of the mounting plate, the servo motor is started, the output end of the servo motor drives the rotating shaft to rotate, the rotating shaft drives the gear to rotate, drives the gear ring meshingly connected therewith to rotate, and then drives the drum to rotate, and the discharge of the chips is completed.

[0021] Further, the side away from the mounting plate of the shell is fixedly connected with a buffer column, and the buffer column is arranged directly below the rotating shaft, the outer side surface of the buffer column is slidingly connected with a buffer barrel, the side away from the buffer column of the buffer barrel is fixedly connected with a gasket, the inner side surface bottom of the buffer barrel is fixedly connected with a spring, and one end away from the buffer barrel of the spring is fixedly connected with one end of the buffer column located inside the buffer barrel, the gasket first contacts the base plate, then the chip removal barrel contacts the base plate, the gasket moves, drives the buffer barrel to slide on the surface of the buffer column, and the spring is compressed, so that the barrel body is arranged directly above the base plate, the vertical punching of the shell to be processed is ensured, the gasket made of rubber and the rubber skin of the chip removal barrel contact the base plate at the same time, the vibration during drilling can be buffered, the damping effect is achieved, the shift of the fixed pair of shells to be processed due to vibration is avoided, and the drilling precision is ensured.

[0022] The present application has the beneficial effects:

[0023] 1、The present application sets the countersunk drill bit, adjusts the convex column position, makes it clamped into the countersunk drill bit, drives the countersunk drill bit and the hole drilling bit to feed synchronously, completes the establishment of the countersunk hole installation hole once, reduces the auxiliary time generated by multiple operations, speeds up the production progress, avoids the error caused by multiple positioning, improves the hole drilling precision, and ensures the size and position accuracy of the hole.

[0024] 2、The present application sets the chip removal assembly, the magnet is electrified, the magnet separates the drum to adsorb the chip, under the action of the adsorption force, the chip can be discharged more smoothly, the magnet is arranged in a C shape, when the drum carrying the chip rotates to the gap of the C-shaped magnet, the chip is thrown out under the action of the rotating centrifugal force, since the magnet is fixedly connected with the barrel, the throwing position is fixed, and the chip can be concentratedly recovered.

[0025] 3、The present application is provided with an expanding plate, under the action of centrifugal force, the cuttings thrown into the chip removal cylinder, the cuttings are recycled from the small mouth end of the chip removal cylinder, the expanding plate is below the entire gap of the magnet, and the cuttings are received, avoiding the inertia of the cuttings flying out, causing the cuttings to fall off, the setting of the baffle avoids the change of the flying angle of the special-shaped cuttings, causing the situation of being unable to receive.

[0026] 4、The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy.

[0028] Figure 2 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy.

[0029] Figure 3 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy.

[0030] Figure 4 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy.

[0031] Figure 5 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy.

[0032] Figure 6 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy. Figure 5

[0033] Figure 7 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy. Figure 5

[0034] Figure 8 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy.

[0035] Figure 9 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy.

[0036] Figure 10 The present application is provided with a buffer column, the buffer cylinder slides on the surface of the buffer column, the spring is compressed, ensuring that the cylinder is vertically placed above the bottom plate, ensuring the vertical punching of the shell to be processed, and the rubber gasket and the rubber skin of the chip removal cylinder are in contact with the bottom plate at the same time, which can buffer the vibration during drilling, play a damping effect, avoid the offset of the fixed pair of shell to be processed due to vibration, and ensure the drilling accuracy.

[0037] ​​In the figure: 1, the bottom plate; 2, the support; 3, the drilling mechanism; 31, the cylinder; 32, the mounting plate; 33, the hole drilling bit; 34, the driving assembly; 341, the rotating telescopic rod; 342, the protective cover; 343, the limiting ring; 344, the ring plate; 345, the convex column; 35, the chip removal assembly; 351, the shell; 352, the rotating drum; 353, the magnet; 354, the chip removal drum; 355, the flared plate; 356, the baffle; 357, the gear ring; 358, the gear; 359, the rotating shaft; 3510, the servo motor; 3511, the buffer column; 3512, the buffer drum; 3513, the gasket; 3514, the spring; 36, the countersunk drill bit. DETAILED DESCRIPTION

[0038] The application will be further described below in conjunction with the drawings and specific embodiments. The embodiments of the application are given for illustrative and descriptive purposes only, and are not exhaustive or limiting of the application. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

[0039] Embodiment 1, please refer to Figures 1-7 The application is a kind of automobile wiper motor shell processing drilling machine convenient for chip removal, comprising:

[0040] The bottom plate 1, the top of the bottom plate 1 is fixedly connected with the support 2;

[0041] The drilling mechanism 3 is slidably connected with the inner side of the support 2, and the drilling mechanism 3 is arranged directly above the bottom plate 1;

[0042] The drilling mechanism 3 comprises:

[0043] The cylinder 31, the outer side of the cylinder 31 is fixedly connected with the mounting plate 32, and the side away from the cylinder 31 of the mounting plate 32 is slidably connected with the inner side of the support 2;

[0044] The hole drilling bit 33 is arranged inside the cylinder 31;

[0045] The driving assembly 34 is fixedly connected to the side of the cylinder 31 away from the bottom plate 1, the output end of the driving assembly 34 extends into the cylinder 31, and the output end of the driving assembly 34 is fixedly connected with the end of the hole drilling bit 33 away from the bottom plate 1;

[0046] The chip removal assembly 35 is fixedly connected with the side of the cylinder 31 close to the bottom plate 1;

[0047] The shell to be machined is fixed on the top of the base plate 1, the driving mounting plate 32 is driven to move, the mounting plate 32 drives the cylinder 31 to move, the cylinder 31 drives the driving assembly 34, the hole drilling bit 33 and the chip removal assembly 35 to move, the hole drilling bit 33 approaches the shell to be machined, and the chip removal assembly 35 contacts the base plate 1. The driving assembly 34 is started, the driving assembly 34 drives the hole drilling bit 33 to rotate and feed, and the shell to be machined between the base plate 1 and the chip removal assembly 35 is drilled. At the same time, the chip removal assembly 35 is started, and the chip removal assembly 35 magnetically attracts the cutting chips, so that the cutting chips are prevented from flying everywhere and are conveniently discharged in an orderly manner.

[0048] The hole drilling bit 33 is externally sleeved with a countersink drill bit 36, the inner side surface of the countersink drill bit 36 is in sliding connection with the outer side surface of the hole drilling bit 33, and the outer side surface of the countersink drill bit 36 is in sliding connection with the inner side surface of the cylinder 31. The countersink drill bit 36 is arranged, the countersink drill bit 36 is driven to feed and rotate at the same time of drilling, and the countersink hole on the shell to be machined is completed at one time.

[0049] The driving assembly 34 comprises a rotary telescopic rod 341, the rotary telescopic rod 341 is arranged on the side, away from the base plate 1, of the cylinder 31, the surface of the rotary telescopic rod 341 is fixedly connected with a protective cover 342, the protective cover 342 is fixedly connected to the side, away from the base plate 1, of the cylinder 31 by means of bolts, the output end of the rotary telescopic rod 341 extends into the cylinder 31, and the output end of the rotary telescopic rod 341 is fixedly connected with the end, away from the base plate 1, of the hole drilling bit 33. The rotary telescopic rod 341 is started, the output end of the rotary telescopic rod 341 rotates and feeds, so that the shell to be machined is drilled.

[0050] The output end of the rotary telescopic rod 341 is sleeved with a limiting ring 343, the inner side surface of the limiting ring 343 is in limiting sliding connection with the surface of the rotary telescopic rod 341, the limiting ring 343 extends into the cylinder 31, the outer side surface of the limiting ring 343 is in limiting rotary connection with the inner side surface of the cylinder 31, and the cross section of the limiting ring 343 is in dovetail shape. The output end of the rotary telescopic rod 341 rotates to drive the limiting ring 343 to rotate, the output end of the rotary telescopic rod 341 telescopes, and the limiting ring 343 slides outside the rotary telescopic rod 341. The limiting ring 343 in dovetail shape limits the rotation of the rotary telescopic rod 341, shields the top of the cylinder 31, prevents dust and other impurities from falling into the cylinder 31, and prevents the hole drilling bit 33 and the countersink drill bit 36 from being corroded.

[0051] The rotating telescopic rod 341 is provided with a ring plate 344 close to one side of the bottom plate 1, the inner side surface of the ring plate 344 is fixedly connected with the output end surface of the rotating telescopic rod 341, the ring plate 344 is fixedly connected with a convex column 345 close to one side of the bottom plate 1, the convex column 345 is rigidly connected with the inner side surface of the countersunk drill bit 36, and the convex column 345 is uniformly distributed along the circumference of the ring plate 344, the output end of the rotating telescopic rod 341 drives the feeding of the hole drilling bit 33, and at the same time, the ring plate 344 and the convex column 345 are moved, when the countersunk hole needs to be drilled, the position of the convex column 345 is adjusted, the convex column 345 is clamped into the inside of the countersunk drill bit 36, the countersunk drill bit 36 is driven to feed synchronously with the hole drilling bit 33, and the countersunk hole-shaped mounting hole is completed at one time.

[0052] Embodiment 2, please refer to Figures 1-10 The chip removal assembly 35 includes a shell 351, the inner side surface of the shell 351 is fixedly connected with the outer side surface of the cylinder 31, and the shell 351 is arranged on the side of the cylinder 31 close to the bottom plate 1, the shell 351 is provided with a rotating cylinder 352 close to the bottom plate 1, the outer side surface of the rotating cylinder 352 is slidably connected with the inner side surface of the shell 351, the inside of the rotating cylinder 352 is provided with a magnet 353, the magnet 353 is arranged in a C-shaped form, and the magnet 353 is open to the side away from the support 2, the inner side surface of the magnet 353 is fixedly connected with the outer side surface of the cylinder 31, and the magnet 353 is an electromagnet, the rotating cylinder 352 is made of a non-ferromagnetic material, the rotating cylinder 352 is driven to rotate, and at the same time, the magnet 353 is electrified, the magnet 353 adsorbs the chips through the rotating cylinder 352, under the action of the adsorption force, the chips can be more smoothly discharged, and at the same time, the magnet 353 is arranged in a C-shaped form, when the rotating cylinder 352 carrying the chips rotates to the gap of the C-shaped magnet 353, the chips are thrown out under the action of the centrifugal force of rotation, and since the magnet 353 is fixedly connected with the cylinder 31, the throwing position is fixed, so that the chips can be concentratedly recovered.

[0053] The shell 351 is fixedly connected with a chip removal cylinder 354 close to the bottom plate 1, and the chip removal cylinder 354 is arranged at the opening of the magnet 353, the chip removal cylinder 354 is arranged in a tapered form, and the large-diameter end of the chip removal cylinder 354 faces the magnet 353, the inner and outer surfaces of the chip removal cylinder 354 are covered with a rubber skin, and the chips thrown under the action of the centrifugal force enter the chip removal cylinder 354, and the chips are recovered from the small opening end of the chip removal cylinder 354.

[0054] The flared plate 355 is fixedly connected to one side of the chip removal cylinder 354 close to the support 2, and is arranged on the side of the cylinder body 31 close to the bottom plate 1. The flared plate 355 is symmetrically provided with two baffle plates 356 close to the side of the cylinder body 31, and the two baffle plates 356 are fixedly connected to the side of the flared plate 355 close to the cylinder body 31. There is a gap between the side of the baffle plate 356 away from the flared plate 355 and the rotating cylinder 352. The flared plate 355 is below the entire gap of the magnet 353 to receive the cuttings, avoiding the cuttings from falling due to insufficient inertia of the cuttings flying out. The arrangement of the baffle plate 356 avoids the change of the flying angle of the special-shaped cuttings, so as to avoid the situation that the cuttings cannot be received.

[0055] The rotating cylinder 352 is fixedly connected to the side away from the bottom plate 1. The gear ring 357 is meshingly connected to the side of the gear 358 close to the support 2. The gear ring 357 and the gear 358 are arranged in the housing 351. The rotating shaft 359 is fixedly connected to the side of the gear 358 away from the bottom plate 1. The rotating shaft 359 penetrates the housing 351 at the end away from the bottom plate 1. The inner side of the housing 351 is rotatably connected to the surface of the rotating shaft 359. The servo motor 3510 is fixedly connected to the end of the rotating shaft 359 away from the bottom plate 1. The servo motor 3510 is inlaid in the mounting plate 32. The surface of the servo motor 3510 is fixedly connected to the inner side of the mounting plate 32. When the servo motor 3510 is started, the output end of the servo motor 3510 drives the rotating shaft 359 to rotate. The rotating shaft 359 drives the gear 358 to rotate, and drives the gear ring 357 meshingly connected thereto to rotate, and then drives the rotating cylinder 352 to rotate, thereby completing the discharge of the cuttings.

[0056] The housing 351 is fixedly connected to the side away from the mounting plate 32. The buffer column 3511 is arranged directly below the rotating shaft 359. The buffer cylinder 3512 is slidably connected to the outer side of the buffer column 3511. The buffer cylinder 3512 is fixedly connected to the side of the gasket 3513 away from the buffer column 3511. The spring 3514 is fixedly connected to the inner side of the buffer cylinder 3512. The end of the spring 3514 away from the buffer cylinder 3512 is fixedly connected to the end of the buffer column 3511 inside the buffer cylinder 3512. The gasket 3513 first contacts the bottom plate 1, and then the chip removal cylinder 354 contacts the bottom plate 1, while the gasket 3513 moves, driving the buffer cylinder 3512 to slide on the surface of the buffer column 3511, and the spring 3514 is compressed, ensuring that the cylinder body 31 is arranged directly above the bottom plate 1, ensuring vertical punching of the shell to be processed, while the gasket 3513 of rubber material and the rubber skin of the chip removal cylinder 354 contact the bottom plate 1 at the same time, which can buffer the vibration during drilling, and has a damping effect, avoiding the offset of the fixed pair of shells to be processed due to vibration, and ensuring the drilling precision.

[0057] The shell to be processed is fixed on the top of the base plate 1, the mounting plate 32 is driven to move, the mounting plate 32 drives the cylinder 31 to move, the cylinder 31 drives the driving assembly 34, the hole drilling head 33 and the chip removal assembly 35 to move, the hole drilling head 33 approaches the shell to be processed, the gasket 3513 first contacts the base plate 1, and then the chip removal cylinder 354 contacts the base plate 1, while the gasket 3513 moves, driving the buffer cylinder 3512 to slide on the surface of the buffer column 3511, the spring 3514 is compressed, the rotary telescopic rod 341 is started, the output end of the rotary telescopic rod 341 generates rotation and feeding, driving the hole drilling head 33 to rotate and feed, and the shell to be processed between the base plate 1 and the chip removal assembly 35 is drilled, at the same time, the servo motor 3510 is started, the output end of the servo motor 3510 drives the rotating shaft 359 to rotate, the rotating shaft 359 drives the gear 358 to rotate, driving the tooth ring 357 connected with it to rotate, and then driving the rotating cylinder 352 to rotate, the magnet 353 is electrified, the magnet 353 is electrified, and the magnet 353 is electrified. The rotating cylinder 352 carries the cuttings to the gap of the C-shaped magnet 353, under the action of the centrifugal force of rotation, the cuttings are thrown out, and the cuttings thrown by the centrifugal force enter the chip removal cylinder 354, and the cuttings are recycled from the small end of the chip removal cylinder 354, the output end of the rotary telescopic rod 341 drives the hole drilling head 33 to feed, at the same time, driving the ring plate 344 and the convex column 345 to move, when the counterbore hole needs to be drilled, the position of the convex column 345 is adjusted, so that it is clamped into the inside of the counterbore drill bit 36, the counterbore drill bit 36 is driven to feed synchronously with the hole drilling head 33, and the counterbore hole is once completed.

[0058] Obviously, the embodiments described are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art and related fields without creative labor shall belong to the scope protected by the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A wiper motor housing machining drill that facilitates chip removal, characterized by, The utility model relates to a drilling device for drilling hole in the bottom plate of the workpiece, and belongs to the field of drilling device. It comprises a bottom plate (1), the top of the bottom plate (1) is fixedly connected with a support (2), a drilling mechanism (3) is slidably connected with the inner side of the support (2), and the drilling mechanism (3) is arranged directly above the bottom plate (1). The drilling mechanism (3) comprises a cylinder (31), the outer side of the cylinder (31) is fixedly connected with a mounting plate (32), the side, away from the cylinder (31), of the mounting plate (32) is slidably connected with the inner side of the support (2), a hole drilling bit (33) is arranged inside the cylinder (31), a drive assembly (34) is fixedly connected with the side, away from the bottom plate (1), of the cylinder (31), the output end of the drive assembly (34) extends into the cylinder (31), and the output end of the drive assembly (34) is fixedly connected with the end, away from the bottom plate (1), of the hole drilling bit (33), and a chip removal assembly (35) is fixedly connected with the side, close to the bottom plate (1), of the cylinder (31). The chip removal assembly (35) comprises an outer shell (351), the inner side of the outer shell (351) is fixedly connected with the outer side of the cylinder (31), the outer shell (351) is arranged at the side, close to the bottom plate (1), of the cylinder (31), the side, close to the bottom plate (1), of the outer shell (351) is provided with a rotating drum (352), the outer side of the rotating drum (352) is slidably connected with the inner side of the outer shell (351), the inside of the rotating drum (352) is provided with a magnet (353), the magnet (353) is arranged in a C shape, the magnet (353) is open to the side, away from the support (2), the inner side of the magnet (353) is fixedly connected with the outer side of the cylinder (31), the magnet (353) is an electromagnet, and the rotating drum (352) is made of a non-ferromagnetic material. The outside of the hole drilling bit (33) is sleeved with a countersink drill bit (36), the inner side of the countersink drill bit (36) is slidably connected with the outer side of the hole drilling bit (33), and the outer side of the countersink drill bit (36) is slidably connected with the inner side of the cylinder (31). The drive assembly (34) comprises a rotary telescopic rod (341), the rotary telescopic rod (341) is arranged at the side, away from the bottom plate (1), of the cylinder (31), a protective cover (342) is fixedly connected with the surface of the rotary telescopic rod (341), the protective cover (342) is fixedly connected with the side, away from the bottom plate (1), of the cylinder (31) through bolts, the output end of the rotary telescopic rod (341) extends into the cylinder (31), and the output end of the rotary telescopic rod (341) is fixedly connected with the end, away from the bottom plate (1), of the hole drilling bit (33). ​ ​ ​ 2. A machine for drilling and tapping the motor housing of an automotive wiper blade according to claim 1, characterized in that: ​ 3. A machine for drilling and tapping the motor housing of an automotive wiper blade according to claim 2, characterized in that: ​ 4. A machine for drilling holes in a motor housing of an automotive wiper according to claim 3, characterized in that: The output end of the rotary telescopic rod (341) is sleeved with a limiting ring (343), the inner side surface of the limiting ring (343) is in limiting sliding connection with the surface of the rotary telescopic rod (341), the limiting ring (343) extends to the inside of the cylinder body (31), the outer side surface of the limiting ring (343) is in limiting rotary connection with the inner side surface of the cylinder body (31), and the cross section of the limiting ring (343) is in dovetail shape.

5. A machine for drilling holes in a motor housing of an automotive wiper blade according to claim 4, characterized in that: The side, close to the bottom plate (1), of the rotary telescopic rod (341) is provided with a ring plate (344), the inner side surface of the ring plate (344) is fixedly connected with the surface of the output end of the rotary telescopic rod (341), the side, close to the bottom plate (1), of the ring plate (344) is fixedly connected with a convex column (345), the convex column (345) is rigidly connected with the inner side surface of the countersunk drill bit (36), and the convex column (345) is uniformly distributed with a plurality of convex columns along the circumference of the ring plate (344).

6. A machine for drilling and tapping the motor housing of an automotive wiper blade according to claim 1, characterized in that: The side, close to the bottom plate (1), of the shell (351) is fixedly connected with a chip removal cylinder (354), the chip removal cylinder (354) is arranged at the opening of the magnet (353), the chip removal cylinder (354) is arranged in a conical shape, the large-diameter end of the chip removal cylinder (354) faces the magnet (353), and the inner and outer surfaces of the chip removal cylinder (354) are covered with a skin made of rubber material.

7. A machine for drilling holes in a motor housing of an automotive wiper blade according to claim 6, characterized in that: The side, close to the support (2), of the chip removal cylinder (354) is fixedly connected with a flared plate (355), the flared plate (355) is arranged at the side, close to the bottom plate (1), of the cylinder body (31), the side, close to the cylinder body (31), of the flared plate (355) is symmetrically provided with a baffle (356), the two baffles (356) are fixedly connected with the side, close to the cylinder body (31), of the flared plate (355), and there is a gap between the side, away from the flared plate (355), of the baffle (356) and the rotating cylinder (352).

8. A machine for drilling holes in an automotive wiper motor housing according to claim 7, characterized in that: The side, away from the bottom plate (1), of the rotating cylinder (352) is fixedly connected with a gear ring (357), the side, close to the support (2), of the gear ring (357) is meshingly connected with a gear wheel (358), the gear ring (357) and the gear wheel (358) are arranged in the inside of the shell (351), the side, away from the bottom plate (1), of the gear wheel (358) is fixedly connected with a rotating shaft (359), one end, away from the bottom plate (1), of the rotating shaft (359) penetrates through the shell (351), the inner side surface of the shell (351) is in rotary connection with the surface of the rotating shaft (359), one end, away from the bottom plate (1), of the rotating shaft (359) is fixedly connected with a servo motor (3510), the servo motor (3510) is inlaidly arranged in the inside of the mounting plate (32), and the surface of the servo motor (3510) is fixedly connected with the inner side surface of the mounting plate (32).

9. A machine for drilling holes in a motor housing of an automotive wiper blade according to claim 8, characterized in that: The shell (351) is fixedly connected with a buffer column (3511) away from one side of the mounting plate (32), and the buffer column (3511) is arranged directly below the rotating shaft (359), the outer side of the buffer column (3511) is slidably connected with a buffer cylinder (3512), the side away from the buffer column (3511) of the buffer cylinder (3512) is fixedly connected with a gasket (3513), the inner side bottom of the buffer cylinder (3512) is fixedly connected with a spring (3514), and the end away from the buffer cylinder (3512) of the spring (3514) is fixedly connected with the end of the buffer column (3511) inside the buffer cylinder (3512).

Citation Information

Patent Citations

  • Motor shell drilling equipment and method

    CN118437958A

  • Crankshaft drilling equipment for automobile part machining

    CN119175574A