Thread punching forming device of motor balancing weight

Abstract

The utility model discloses a thread punching and forming device for a motor balancing weight, which comprises a rack, a punching and forming device, a punching and forming device, a punching and forming device and a punching and forming device, and is characterized in that the rack comprises a machining table; the machining table is provided with a machining hole extending along the vertical direction; the locking assembly is used for locking the balancing weight; a milling cutter and a driving assembly; the oil collecting barrel is fixed below the machining table, and an oil outlet hole is formed in the oil collecting barrel; a cooling cavity is defined by the filtering assembly, the oil pump, the locking assembly, the milling cutter, the machining table, the oil collecting barrel and the balancing weight, an oil inlet hole is formed in the locking assembly, and the oil inlet hole and the oil outlet hole both communicate with the cooling cavity. According to the thread punching forming device of the motor balancing weight, the balancing weight is locked through the locking assembly, meanwhile, the balancing weight, the milling cutter, the oil collecting barrel and the machining table are enclosed to form a cooling cavity, cooling oil is conveyed through the oil pump to flow circularly and be filtered, and therefore splashing of the cooling oil and particles is avoided, the environment cleanliness is guaranteed, the service life of the milling cutter is prolonged, and the machining precision is improved. And the burden of workers is relieved, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of counterweight processing, in particular to a thread punching and forming device for a motor counterweight. Background Art

[0002] Motor counterweights, also called balance blocks or weight blocks, are mainly used to balance the centrifugal force of the motor when it is working, reduce the vibration and noise of the motor, extend the life of the motor, improve safety performance, and reduce the loss of the motor. In order to facilitate the installation of motor counterweights, threaded holes are usually set on the motor counterweights, and bolts are used to thread the inner wall of the threaded holes to firmly install the counterweights in a specific part of the motor.

[0003] When the motor counterweight is formed, a thread milling cutter is usually used to mill the inner wall of the through hole to form a thread. At the same time, in order to improve the thread accuracy and extend the life of the milling cutter, cooling oil is usually sprayed on the milling part to cool it down during milling.

[0004] However, when the existing milling forming device is processing, the processing part is in an open environment. Due to the high-speed rotation of the milling cutter, it is easy to cause the particles formed by milling and the cooling oil to splash everywhere in the processing environment. On the one hand, the cooling effect of the cooling oil is reduced, which is not conducive to extending the service life of the milling cutter and the processing accuracy. On the other hand, the splashing particles and cooling oil pollute the surrounding environment, and workers need to spend extra time and energy to clean the processing environment, which increases the burden on workers and reduces processing efficiency.

[0005] Therefore, it is necessary to improve the thread punching and forming device of the motor counterweight block which adopts the thread milling cutter processing method in the prior art. Utility Model Content

[0006] The purpose of the utility model is to overcome the defects in the prior art and provide a thread punching and forming device for a motor counterweight block which can avoid splashing of particles and cooling oil to ensure processing accuracy, extend the service life of the milling cutter, reduce the burden on workers, and improve processing efficiency.

[0007] In order to achieve the above technical effects, the technical solution of the utility model is: a thread punching and forming device for a motor counterweight block, comprising:

[0008] A frame, the frame comprising a processing table, the processing table being provided with a processing hole extending in a vertical direction;

[0009] A locking assembly, the locking assembly is used to lock the counterweight block with a through hole on the processing table, and in the locked state, the through hole is connected to the processing hole coaxially;

[0010] A milling cutter and a driving assembly, wherein the milling cutter extends in a vertical direction, and the driving assembly is disposed on the frame, and the driving assembly drives the milling cutter to rotate around its own axis, move in a vertical direction, and drive the axis of the milling cutter to rotate around the axis of the processing hole, so as to process the through hole of the counterweight block into a threaded hole;

[0011] An oil collecting barrel, the oil collecting barrel is fixed below the processing table and covers the bottom of the processing hole, and the oil collecting barrel is provided with an oil outlet hole;

[0012] The filter assembly and the oil pump, the locking assembly, the milling cutter, the processing table, the oil collecting barrel and the counterweight block enclose a cooling chamber, the locking assembly is provided with an oil inlet hole, the oil inlet hole and the oil outlet hole are both connected to the cooling chamber, and the oil pump is used to drive the cooling oil to circulate among the oil inlet hole, the cooling chamber, the oil outlet hole and the filter assembly.

[0013] Preferably, in order to facilitate locking the counterweight block on the processing table and form a cooling chamber at the same time, the locking assembly includes a locking cover and a locking screw sleeve, the locking screw sleeve extends in the vertical direction and is threadedly connected to the frame, the locking cover is provided with an opening for the milling cutter to pass through, the milling cutter outer sealing sleeve is provided with a sealing ring sheet that is sealed with the locking cover and covers the opening, the oil inlet hole is provided on the locking cover, and in the locked state, the locking cover is clamped between the locking screw sleeve and the counterweight block.

[0014] Preferably, in order to ensure that the through hole of the counterweight block is coaxial with the processed hole before the counterweight block is locked, a positioning piece is passed through the bottom of the oil collecting barrel, and the positioning piece includes a positioning screw threadedly connected to the oil collecting barrel and coaxial with the processed hole, a positioning block is fixed on the top of the positioning screw, the horizontal cross-section of the positioning block is circular, the center of the circular cross-section is located on the axis of the processed hole, the top outer diameter of the positioning block is smaller than the bottom outer diameter of the positioning block and the top of the positioning block is gradually transitioned to the bottom of the positioning block.

[0015] Preferably, in order to reduce leakage of cooling oil, the positioning member is sealingly connected to the oil collecting barrel.

[0016] Preferably, in order to ensure the sealed connection between the positioning member and the oil collecting barrel, the positioning member further comprises a sealing disk, the sealing disk outer shell is provided with an elastic sealing ring, and the sealing ring is sealedly connected to the circumferential inner wall of the oil collecting barrel.

[0017] Preferably, in order to filter the debris particles of the cooling oil, the filter assembly includes a filter barrel with an open top, a barrel cover arranged on the filter barrel, and a filter mesh frame detachably arranged in the filter barrel, the filter barrel is provided with an oil inlet and an oil outlet, the filter mesh frame divides the filter cavity formed by the filter barrel and the barrel cover into an oil inlet cavity and an oil outlet cavity, the oil inlet is connected between the oil outlet hole and the oil inlet cavity, and the oil outlet cavity is connected between the oil outlet and the oil inlet hole.

[0018] Preferably, in order to achieve a detachable connection between the filter mesh frame and the filter barrel, a convex ring is provided on the circumferential inner wall of the filter barrel, the filter mesh frame is a barrel-shaped structure, and a flange is provided on the circumferential outer edge of the filter mesh frame. The filter mesh frame is plug-fitted with the convex ring and the flange is sealingly connected to the convex ring.

[0019] Preferably, in order to ensure stable installation of the filter rack, a pressure block is provided at the bottom of the barrel cover, and the pressure block abuts against the top of the filter rack.

[0020] Preferably, in order to drive the milling cutter to move so as to be able to process the counterweight block of the counterweight block to form a threaded hole, the driving assembly includes a lifting unit, a revolution unit and a rotation unit arranged in sequence from top to bottom, the lifting unit drives the revolution unit to move in the vertical direction, the revolution unit drives the rotation unit to rotate around the axis of the processing hole, and the rotation unit drives the milling cutter to rotate around its own axis.

[0021] Preferably, in order to facilitate the processing of counterweight blocks with through holes of different diameters, an adjustment unit is further provided between the revolution unit and the rotation unit, and the adjustment unit is used to adjust the distance between the axis center line of the milling cutter and the axis center line of the revolution of the milling cutter.

[0022] To sum up, compared with the prior art, the threaded punching and forming device of the motor counterweight block of the utility model utilizes the locking assembly to lock the counterweight block, and at the same time, it forms a cooling chamber together with the milling cutter, oil collecting barrel and processing table. The cooling oil is transported by the oil pump to circulate and filter, thereby avoiding the splashing of cooling oil and particles, ensuring the cleanliness of the environment, the service life of the milling cutter and the processing accuracy, reducing the burden on workers, and helping to improve processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 yes Figure 1 Explosion diagram of

[0025] Figure 3 yes Figure 2 A magnified view of part A;

[0026] Figure 4 yes Figure 2 A magnified view of part B;

[0027] Figure 5 yes Figure 1 A top view of

[0028] Figure 6 yes Figure 5 CC section view of ;

[0029] Figure 7 yes Figure 5 DD section view;

[0030] Figure 8 yes Figure 7 A magnified view of part E;

[0031] Fig. 9 It is a structural schematic diagram of the filter barrel of the utility model;

[0032] Fig.10 yes Fig. 9 Explosion diagram of

[0033] In the figure: 1, frame; 11, processing table; 111, processing hole; 12, support leg; 13, support column; 14, top plate; 2, locking assembly; 21, locking cover; 211, opening; 212, oil inlet hole; 22, locking screw sleeve; 3, counterweight; 31, through hole; 4, milling cutter; 41, sealing ring; 5, driving assembly; 51, lifting unit; 52, revolution unit; 521, revolution motor; 522, turntable; 523, slide rail; 53, rotation unit; 54, adjustment unit; 541, adjustment Motor; 542, adjusting screw; 543, bearing; 544, slider; 6, oil collecting barrel; 61, oil outlet; 62, positioning piece; 621, positioning screw; 622, positioning block; 623, sealing disk; 624, sealing ring; 625, operating panel; 7, filter assembly; 71, filter barrel; 711, oil inlet; 712, oil outlet; 713, convex ring; 72, barrel cover; 721, pressure block; 73, filter mesh frame; 731, flange; 74, oil inlet pipe; 75, oil outlet pipe; 8, oil pump. DETAILED DESCRIPTION

[0034] The following is a further description of the specific implementation of the present invention in conjunction with the accompanying drawings and embodiments. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection scope of the present invention.

[0035] like Figure 1-Figure 10 As shown, the thread punching and forming device of the motor counterweight block of the utility model comprises:

[0036] The frame 1 includes a processing table 11, and the processing table 11 is provided with a processing hole 111 extending in a vertical direction;

[0037] The locking assembly 2 is used to lock the counterweight block 3 having a through hole 31 on the processing table 11, and in the locked state, the through hole 31 is connected to the processing hole 111 coaxially;

[0038] The milling cutter 4 and the driving assembly 5, the milling cutter 4 extends in the vertical direction, the driving assembly 5 is arranged on the frame 1, and the driving assembly 5 drives the milling cutter 4 to rotate around its own axis, move in the vertical direction, and drive the axis of the milling cutter 4 to rotate around the axis of the processing hole 111, so as to process the through hole 31 of the counterweight block 3 into a threaded hole;

[0039] An oil collecting barrel 6, which is fixed below the processing table 11 and covers the bottom of the processing hole 111, and an oil outlet hole 61 is provided on the oil collecting barrel 6;

[0040] The filter assembly 7 and the oil pump 8, the locking assembly 2, the milling cutter 4, the processing table 11, the oil collecting barrel 6 and the counterweight block 3 are enclosed to form a cooling chamber. The locking assembly 2 is provided with an oil inlet hole 212. The oil inlet hole 212 and the oil outlet hole 61 are both connected to the cooling chamber. The oil pump 8 is used to drive the cooling oil to circulate between the oil inlet hole 212, the cooling chamber, the oil outlet hole and the filter assembly 7.

[0041] In the utility model, the frame 1 includes a horizontal processing table 11, the processing hole 111 on the processing table 11 is a circular hole, legs 12 are fixed at the four corners of the bottom surface of the processing table 11 to support the processing table 11, pillars 13 are fixed at both ends of the top surface of the processing table 11, and a top plate 14 is mounted on the pillars 13.

[0042] When the device is in use, the counterweight block 3 with the through hole 31 is placed on the processing table 11 so that the through hole 31 of the counterweight block 3 is coaxial with the processing hole 111, and then the counterweight block 3 is locked on the processing table 11 by using the locking assembly 2. Before locking, the blade of the milling cutter 4 extends into the inner side of the hole opening at the upper end of the through hole 31. In the locked state, the locking assembly 2, the milling cutter 4, the processing table 11, the oil collecting barrel 6 and the counterweight block 3 are surrounded to form a cooling chamber. At this time, the driving assembly 5 controls the movement of the milling cutter 4, and the milling cutter 4 performs three movements at the same time. First, the milling cutter 4 rotates around its own axis, that is, rotates, and uses the blade of the milling cutter 4 to cut the inner wall of the through hole 31; second, the milling cutter 4 rotates around the axis of the processing hole 111, that is, revolves, to act on the circumferential inner wall of the through hole 31; third, the milling cutter 4 moves in the vertical direction, and the above three movement modes cooperate with each other to form a threaded hole on the counterweight block 3.

[0043] While milling, the oil pump 8 is started to extract cooling oil and deliver it to the cooling chamber through the oil inlet hole 212. While the cooling oil flows in the cooling chamber, it can, on the one hand, take away the particles generated by milling, and on the other hand, absorb the heat of the milling cutter 4 and the counterweight block 3 to reduce the temperature of the two, thereby ensuring the milling quality of the milling cutter 4 and extending its service life. After the particles are discharged from the oil outlet hole 61 along with the cooling oil, they are filtered through the filter assembly 7. After the fine chips are filtered out, the cooling oil is extracted again and delivered into the cooling chamber through the oil pump 8 to cool the counterweight block 3 and the milling cutter 4.

[0044] Since the above-mentioned cooling process is carried out in a closed environment, that is, while absorbing the heat of the milling cutter 4 and the counterweight block 3 in the cooling chamber, the particles generated by milling can be taken away. This is conducive to ensuring the recycling of the cooling oil and allowing the cooling oil to fully contact the milling cutter 4 and the counterweight block 3, thereby ensuring the cooling quality and milling quality, and avoiding the splashing of cooling oil and particles. Finally, the particles are concentrated in the filter assembly 7. In this way, the cleanliness of the processing environment is guaranteed, and workers do not need to spend time and energy on cleaning, thereby reducing the workload of workers and helping to improve processing production efficiency.

[0045] A further improvement is that the locking assembly 2 includes a locking cover 21 and a locking screw sleeve 22, the locking screw sleeve 22 extends in the vertical direction and is threadedly connected to the frame 1, the locking cover 21 is provided with an opening 211 for the milling cutter 4 to pass through, the outer sealing sleeve of the milling cutter 4 is provided with a sealing ring sheet 41 which is sealedly connected to the locking cover 21 and covers the opening 211, the oil inlet hole 212 is provided on the locking cover 21, and in the locked state, the locking cover 21 is clamped between the locking screw sleeve 22 and the counterweight 3.

[0046] The specific structure of the locking cover 21 is as follows: Figure 3 , Figure 6-Figure 8 As shown, the locking cover 21 is used to lock the counterweight 3 on the processing table 11 from above the processing table 11. The locking cover 21 includes locking sleeves that are correspondingly sleeved on the outside of the two pillars 13. A locking screw sleeve 22 is arranged above the locking sleeve. The pillar 13 includes a threaded portion. The locking screw sleeve 22 is threadedly connected to the threaded portion. After adopting the above structure, the locking screw sleeve 22 is rotated to make the locking screw sleeve 22 abut against the locking sleeve and apply downward pressure, so that the locking cover 21 applies pressure on the counterweight 3, so that the counterweight 3 is clamped on the processing table 11 and the locking cover 21.

[0047] Two openings 211 are provided on the locking cover 21, and the two openings 211 are respectively located at the top and the bottom of the locking cover 21, and an annular groove is also provided at the upper opening 211 of the locking cover 21, and the notch of the annular groove is connected to the opening 211, and the two sides of the sealing ring sheet 41 are respectively sealed with the two inner side walls of the annular groove, and the sealing sleeve of the sealing ring sheet 41 is arranged outside the milling cutter 4, so that the upper part of the locking cover 21 can be sealed while facilitating the movement of the sealing ring sheet 41; and the oil inlet hole 212 is arranged on the side wall of the locking cover 21, so that the cooling oil is conveniently transported into the locking cover 21, flows downward, and passes through the through hole 31 and the oil collecting barrel 6 in turn.

[0048] A further improvement is that a positioning piece 62 is passed through the bottom of the oil collecting barrel 6, and the positioning piece 62 includes a positioning screw 621 which is threadedly connected to the oil collecting barrel 6 and coaxial with the processing hole 111, and a positioning block 622 is fixed to the top of the positioning screw 621. The horizontal cross-section of the positioning block 622 is circular, and the center of the circular cross-section is located on the axial center line of the processing hole 111. The top outer diameter of the positioning block 622 is smaller than the bottom outer diameter of the positioning block 622 and the top of the positioning block 622 is gradually transitioned to the bottom of the positioning block 622; the positioning piece 62 is sealed and connected to the oil collecting barrel 6; the positioning piece 62 also includes a sealing disk 623, and the sealing disk 623 is covered with an elastic sealing ring 624, and the sealing ring 624 is sealed and connected to the circumferential inner wall of the oil collecting barrel 6.

[0049] The specific structure of the oil collecting barrel 6 and the positioning member 62 is as follows: Figure 2 , Figure 3 , Figure 6-Figure 8 As shown, the positioning screw 621 is threadedly connected to the bottom wall of the oil collecting barrel 6, an operating plate 625 is fixed to the bottom of the positioning screw 621, and a sealing disk 623, a positioning piece and a positioning block 622 are sequentially arranged on the top. More specifically, the inner diameter of the through hole 31 is smaller than the inner diameter of the processing hole 111, the positioning piece is disc-shaped, and its outer diameter is consistent with the inner diameter of the processing hole 111, and the positioning block 622 is hemispherical, and its outer diameter is also consistent with the inner diameter of the processing hole 111.

[0050] After adopting the above structure, when positioning, the counterweight block 3 is placed on the processing table 11 and the through hole 31 is connected to the processing hole 111, and the locking cover 21 is pressed on the counterweight block 3, so that the counterweight block 3 can only move horizontally on the processing table 11, and then the positioning screw 621 is rotated through the operating plate 625 to make the positioning block 622 rotate and rise until the positioning block 622 contacts the circumferential inner wall of the through hole 31 of the counterweight block 3, so as to ensure that the through hole 31 and the processing hole 111 are coaxial at this time, and then the locking assembly 2 is used to lock the position of the counterweight block 3, and then the positioning screw 621 is rotated in the opposite direction to make the positioning block 622 disengage from the processing hole 111.

[0051] The sealing disk 623 is covered with an elastic sealing ring 624, which is a rubber ring. The oil outlet hole 61 is set on the side wall of the oil collecting barrel 6. The sealing ring 624 is adjusted to below the oil outlet hole 61 to ensure that the cooling oil enters the cooling cavity and is discharged from the oil outlet hole 61, while preventing the cooling oil from flowing out from between the sealing disk 623 and the side wall of the oil collecting barrel 6, thereby reducing leakage.

[0052] A further improvement is that the filter assembly 7 includes a filter barrel 71 with an open top, a barrel cover 72 covering the filter barrel 71 and a filter mesh frame 73 detachably arranged in the filter barrel 71, and the filter barrel 71 is provided with an oil inlet 711 and an oil outlet 712. The filter mesh frame 73 divides the filter cavity formed by the filter barrel 71 and the barrel cover 72 into an oil inlet cavity and an oil outlet cavity. The oil inlet 711 is connected between the oil outlet hole 61 and the oil inlet cavity, and the oil outlet 712 is connected between the oil outlet cavity and the oil inlet hole 212.

[0053] Specifically, the oil inlet 711 and the oil outlet 61 are connected through the oil inlet pipe 74, and the oil outlet 712 and the oil inlet 212 are connected through the oil outlet pipe 75. After the cooling oil passes through the cooling cavity, it is discharged from the oil outlet 61 with debris, and then enters the oil inlet cavity through the oil inlet 711 through the oil inlet pipe 74. The debris is filtered out by the filter frame 73, so that the clean oil enters the oil outlet cavity, and the clean coolant is discharged through the oil outlet 712, and then enters the locking cover 21 from the oil inlet 212 through the oil outlet 712 and the oil outlet pipe 75, thereby flowing downward in the cooling cavity.

[0054] A further improvement is that a convex ring 713 is provided on the circumferential inner wall of the filter barrel 71, the filter rack 73 is a barrel-shaped structure, and a flange 731 is provided on the circumferential outer edge of the filter rack 73. The filter rack 73 is plugged into the convex ring 713 and the flange 731 is sealed with the convex ring 713; a pressure block 721 is provided at the bottom of the barrel cover 72, and the pressure block 721 abuts against the top of the filter rack 73.

[0055] Specifically, Figure 7 , Fig. 9 and Fig.10As shown, the convex ring 713 is arranged between the oil inlet 711 and the oil outlet 712, and the filter rack 73 is overlapped on the convex ring 713 through the flange 731. The outer diameter of the filter rack 73 is consistent with the inner diameter of the convex ring 713 to increase the sealing performance; the top of the inner side of the filter rack 73 is provided with a horizontal plate to facilitate the taking of the filter rack 73. In addition, a plug-in plate and a pressure block 721 are sequentially arranged under the barrel cover 72. The outer diameter of the plug-in plate is consistent with the inner diameter of the filter barrel 71, so that the barrel cover 72 and the filter barrel 71 can be precisely plugged in and matched. After the plug-in and matching, relying on its own gravity, the barrel cover 72 abuts against the top of the filter barrel 71, and the pressure block 721 abuts against the horizontal plate, thereby locking the flange 731 on the convex ring 713 to prevent the filter rack 73 from jumping up and down. After adopting the above structure, by separating the barrel cover 72 from the filter barrel 71, it is convenient to replace the cooling oil, and after taking out the filter frame 73, it is convenient to clean the filter frame 73 and remove accumulated debris to ensure the long-term use of the filter assembly 7.

[0056] A further improvement is that the drive assembly 5 includes a lifting unit 51, a revolution unit 52 and a rotation unit 53 arranged in sequence from top to bottom, the lifting unit 51 drives the revolution unit 52 to move in the vertical direction, the revolution unit 52 drives the rotation unit 53 to rotate around the axis of the processing hole 111, and the rotation unit 53 drives the milling cutter 4 to rotate around its own axis; an adjustment unit 54 is also arranged between the revolution unit 52 and the rotation unit 53, and the adjustment unit 54 is used to adjust the distance between the axis of the milling cutter 4 and the revolution axis of the milling cutter 4.

[0057] The specific structure of the driving component 5 is as follows: Figure 1-Figure 4 As shown, in the drive assembly 5, the lifting unit 51 adopts an electric push rod, which is fixed on the top plate 14, the revolution unit 52 includes a revolution motor 521 and a horizontal turntable 522 connected to the output end of the revolution motor 521, the bottom surface of the turntable 522 is provided with a slide rail 523 extending along its own radial direction, and the revolution motor 521 is connected to the output end of the lifting unit 51; the adjustment unit 54 includes an adjustment motor 541 fixed below the turntable 522, the output end of the adjustment motor 541 is connected to an adjustment screw 542, the adjustment screw 542 is threadedly connected to a slider 544 that slidably cooperates with the slide rail 523, and the end of the adjustment screw 542 away from the adjustment motor 541 is provided with a bearing 543, and the bearing 543 is arranged below the turntable 522; the rotation unit 53 is a rotating motor fixed below the slider 544, and its output end is connected to the milling cutter 4 coaxially.

[0058] After adopting the above structure, the adjusting screw 542 is driven to rotate under the support of the bearing 543 through the adjusting motor 541 in the adjusting unit 54, so that the slider 544 moves along the slide rail 523, and the distance between the axial center line of the milling cutter 4 and the processing hole 111 can be adjusted. After the adjustment is completed, the revolving motor 521, the rotation unit 53 and the lifting unit 51 are operated, which respectively drive the milling cutter 4 to revolve, rotate and lift, and mill the inner wall of the through hole 31 of the counterweight block 3 to form a threaded hole.

[0059] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A thread punching and forming device for a motor counterweight, characterized in that: include: A frame, the frame comprising a processing table, the processing table being provided with a processing hole extending in a vertical direction; A locking assembly, the locking assembly is used to lock the counterweight block with a through hole on the processing table, and in the locked state, the through hole is connected to the processing hole coaxially; A milling cutter and a driving assembly, wherein the milling cutter extends in a vertical direction, and the driving assembly is disposed on the frame, and the driving assembly drives the milling cutter to rotate around its own axis, move in a vertical direction, and drive the axis of the milling cutter to rotate around the axis of the processing hole, so as to process the through hole of the counterweight block into a threaded hole; An oil collecting barrel, the oil collecting barrel is fixed below the processing table and covers the bottom of the processing hole, and the oil collecting barrel is provided with an oil outlet hole; The filter assembly and the oil pump, the locking assembly, the milling cutter, the processing table, the oil collecting barrel and the counterweight block enclose a cooling chamber, the locking assembly is provided with an oil inlet hole, the oil inlet hole and the oil outlet hole are both connected to the cooling chamber, and the oil pump is used to drive the cooling oil to circulate among the oil inlet hole, the cooling chamber, the oil outlet hole and the filter assembly.

2. The thread punching and forming device for a motor counterweight according to claim 1, characterized in that: The locking assembly includes a locking cover and a locking nut, the locking nut extends in a vertical direction and is threadedly connected to the frame, the locking cover is provided with an opening for the milling cutter to pass through, the milling cutter outer sealing sleeve is provided with a sealing ring sheet that is sealed with the locking cover and covers the opening, the oil inlet hole is provided on the locking cover, and in the locked state, the locking cover is clamped between the locking nut and the counterweight.

3. The thread punching and forming device for a motor counterweight according to claim 2, characterized in that: A positioning piece is provided at the bottom of the oil collecting barrel, and the positioning piece includes a positioning screw threadedly connected to the oil collecting barrel and coaxial with the processing hole, a positioning block is fixed on the top of the positioning screw, the horizontal cross-section of the positioning block is circular, the center of the circular cross-section is located on the axis of the processing hole, the top outer diameter of the positioning block is smaller than the bottom outer diameter of the positioning block, and the top of the positioning block is gradually transitioned to the bottom of the positioning block.

4. The thread punching and forming device for a motor counterweight according to claim 3, characterized in that: The positioning member is sealed and connected to the oil collecting barrel.

5. The thread punching and forming device for a motor counterweight according to claim 4, characterized in that: The positioning member also includes a sealing disk, and an elastic sealing ring is disposed on the outer shell of the sealing disk. The sealing ring is sealingly connected to the circumferential inner wall of the oil collecting barrel.

6. The thread punching and forming device for a motor counterweight according to claim 1, characterized in that: The filter assembly includes a filter barrel with an open top, a barrel cover arranged on the filter barrel, and a filter mesh frame detachably arranged in the filter barrel, the filter barrel is provided with an oil inlet and an oil outlet, the filter mesh frame divides the filter cavity formed by the filter barrel and the barrel cover into an oil inlet cavity and an oil outlet cavity, the oil inlet is connected between the oil outlet hole and the oil inlet cavity, and the oil outlet is connected between the oil outlet cavity and the oil inlet hole.

7. The thread punching and forming device for a motor counterweight according to claim 6, characterized in that: A convex ring is arranged on the circumferential inner wall of the filter barrel, the filter mesh frame is a barrel-shaped structure, a flange is arranged on the circumferential outer edge of the filter mesh frame, the filter mesh frame is plug-fitted with the convex ring and the flange is sealed and connected with the convex ring.

8. The thread punching and forming device for a motor counterweight according to claim 6, characterized in that: A pressure block is arranged at the bottom of the barrel cover, and the pressure block abuts against the top of the filter frame.

9. The thread punching and forming device for a motor counterweight according to claim 1, characterized in that: The driving assembly includes a lifting unit, a revolution unit and a rotation unit which are arranged in sequence from top to bottom. The lifting unit drives the revolution unit to move in a vertical direction, the revolution unit drives the rotation unit to rotate around the axis of the processing hole, and the rotation unit drives the milling cutter to rotate around its own axis.

10. The thread punching and forming device for a motor counterweight according to claim 9, characterized in that: An adjustment unit is further provided between the revolution unit and the rotation unit, and the adjustment unit is used to adjust the distance between the axis center line of the milling cutter and the axis center line of the revolution of the milling cutter.

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