Rolling equipment for connecting wiper motor shell and gearbox

Abstract

The utility model provides rolling equipment for connecting a wiper motor shell and a gearbox. The rolling equipment comprises a rack provided with a table top, two hob modules oppositely arranged on the table top, a rotating module, a jig, a pressing module and a control device, the rotating module is located between the two hob modules, the jig is fixedly installed on the rotating module, the wiper motor shell is arranged in the jig, the lower end of the gear box is arranged in the wiper motor shell, the joint of the wiper motor shell and the gear box is arranged outside the jig, and the pressing module is located above the gear box. The two hob modules, the rotating module and the pressing module are all electrically connected with the control device. According to the utility model, the pressing module, the rotating module, the hob module and the jig are matched to realize rolling connection of the wiper motor shell and the gear box, auxiliary materials such as welding materials or adhesives are not needed, the condition of periodic looseness is avoided, and the precision is high.

Description

Technical Field

[0001] This utility model relates to a rolling device for connecting the wiper motor housing and gearbox, belonging to the field of mechanical manufacturing technology. Background Technology

[0002] As a core component of the automotive wiper system, the wiper motor involves multiple technical aspects, and the connection between the wiper motor housing and the gearbox is an important manufacturing process in wiper motor production.

[0003] Existing methods for connecting wiper motor housings and gearboxes include press fitting, riveting, and welding. Press fitting, riveting, and welding processes require the addition of adhesives and other auxiliary materials during production, which can lead to periodic loosening and low precision during actual use. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of the above-mentioned technology and provide a rolling device for connecting the wiper motor housing and gearbox without using welding materials or adhesives or other auxiliary materials.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0006] This utility model first provides a rolling device for connecting a wiper motor housing and a gearbox, including a frame with a table, two rolling cutter modules opposite to each other on the table, a rotating module, a fixture, a pressing module, and a control device; the rotating module is located between the two rolling cutter modules, the fixture is fixedly installed on the rotating module, the wiper motor housing is arranged inside the fixture, the lower end of the gearbox is arranged inside the wiper motor housing, the connection between the wiper motor housing and the gearbox is arranged outside the fixture, the pressing module is located above the gearbox, and the two rolling cutter modules, the rotating module, and the pressing module are all electrically connected to the control device;

[0007] The pressing module includes a pressing frame mounted on the top of the frame, a vertically arranged pressing cylinder, a pressing crossbeam, a rotating pressing head, and mounting plates A, B, and C arranged horizontally from top to bottom. The pressing cylinder is fixedly mounted on mounting plate C. The piston rod of the pressing cylinder is connected to the center of the pressing crossbeam. The pressing crossbeam is located below mounting plate C. A thrust bearing is installed at the center of the bottom surface of the pressing crossbeam. The rotating pressing head is rotatably mounted in the thrust bearing. The rotating pressing head is provided with a tapered hole that matches the pressing point at the top of the gearbox. Guide rods are connected to both ends of the pressing crossbeam. The other end of the guide rod passes through mounting plate C and mounting plate B in sequence and then connects to mounting plate A. Linear bearings are sleeved on the guide rods. The linear bearings are located between mounting plate B and mounting plate C. When the pressing crossbeam is pressed down by the pressing cylinder, the rotating pressing head can move downward to the pressing point at the top of the gearbox and enter the tapered hole of the rotating pressing head. The pressing cylinder is electrically connected to the control device.

[0008] The shape of the inner cavity of the fixture matches the wiper motor housing. The bottom of the fixture is provided with a through hole and two positioning pins, which respectively match the two positioning slots at the bottom of the wiper motor housing.

[0009] In one specific embodiment, the rotating module includes a rotating shaft, a rotating motor, a fixed sleeve fixedly installed between two roller cutter modules on the platform, and a lifting assembly. A bearing is arranged inside the fixed sleeve. The rotating shaft passes through the bearing inside the fixed sleeve on the platform and is connected to a fixture. The rotating motor is fixed to the frame, and its output end passes through the platform and is connected to the rotating shaft via a transmission mechanism A. The lifting assembly includes a lifting cylinder and a lifting rod. The lifting cylinder is fixedly installed on the frame, and its piston rod is connected to one end of the lifting rod. The other end of the lifting rod extends into the inner cavity of the rotating shaft. The lifting rod moves up and down under the action of the lifting cylinder. When the lifting rod moves upward, the other end of the lifting rod passes through the rotating shaft and through a through hole in the fixture to contact the wiper motor housing. The lifting rod drives the wiper motor housing to move upward. Both the rotating motor and the lifting cylinder are electrically connected to a control device.

[0010] In one specific embodiment, the pressing module is equipped with through-beam sensors A, B, and C. The pressing frame is equipped with mounting plates D and E. The transmitting and receiving ends of through-beam sensors A, B, and C are respectively mounted on mounting plates D and E. Through-beam sensor A is used to sense whether the wiper motor housing and gearbox are arranged on the fixture. Through-beam sensor B is used to sense whether the wiper motor housing and gearbox on the fixture have been rotated into position. Through-beam sensor C is used to sense whether the front and back of the wiper motor housing and gearbox on the fixture are correctly arranged. Through-beam sensors A, B, and C are all electrically connected to the control device.

[0011] In one specific embodiment, the roller cutter module includes a moving platform, a moving platform motor fixedly mounted on the platform, and roller cutters. Two horizontal slide rails and a lead screw are arranged parallel to each other on the platform. Each slide rail is equipped with a slider. The moving platform is connected to the two sliders. The screw of the lead screw is parallel to the slide rails and is connected to the output end of the moving platform motor through a transmission mechanism B. The nut of the lead screw is connected to the moving platform. A bearing is installed at the end of the moving platform near the rotating module. The roller cutters are rotatably mounted in the bearing. Under the action of the moving platform motor, the lead screw drives the moving platform to move along the slide rails. The moving platform motor is electrically connected to a control device. The movement of the two moving platforms allows both roller cutters to contact the connection between the wiper motor housing and the gearbox.

[0012] In one specific implementation, the height difference between the hobs of the two hob modules matches the groove width of the gearbox.

[0013] In one specific embodiment, a brush cylinder is fixedly installed on the platform, the brush cylinder is connected to the brush, the brush is electrically connected to the voltage and current tester, the brush can contact the mover of the wiper motor under the action of the brush cylinder, and the brush cylinder is electrically connected to the control device.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. This utility model achieves the rolling connection between the wiper motor housing and the gearbox through the cooperation of the pressing module, the rotating module, the rolling cutter module and the fixture. It does not require the use of welding materials or adhesives and other auxiliary materials, and there will be no periodic loosening. It has high precision, firm connection and no deformation of the housing.

[0016] 2. This utility model can achieve rolling connection of wiper motor housings and gearboxes of different sizes by replacing jigs of different sizes, and has good compatibility.

[0017] 3. This utility model can detect the current of the wiper motor mover by using the combination of the brush cylinder, brush and voltage and current tester to detect whether the roll connection between the wiper motor housing and gearbox is qualified. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2 This is a schematic diagram showing the positional relationship of the rotating module, wiper motor housing and gearbox, and two roller cutter modules of this utility model.

[0020] Figure 3 This is a schematic diagram of the structure of the pressure module of this utility model.

[0021] Figure 4 This is a schematic diagram of the rotating module of this utility model.

[0022] Figure 5 A schematic diagram showing the positional relationship of the rotating module, wiper motor housing and gearbox, and pressure module of this utility model.

[0023] Figure 6 The front view of the fixture of this utility model.

[0024] Figure 7 Top view of the fixture of this utility model.

[0025] Reference numerals: Frame 1, Roller Module 2, Rotary Module 3, Lifting Assembly 4, Fixture 5, Pressing Module 6, Brush Cylinder 7, Gearbox 8, Table 11, Moving Platform 21, Moving Platform Motor 22, Roller 23, Slide Rail 24, Lead Screw 25, Transmission Mechanism B 26, Fixed Sleeve 31, Rotating Shaft 32, Rotary Motor 33, Transmission Mechanism A 34, Lifting Cylinder 41, Lifting Rod 42, Through Hole 51, Positioning Pin 52, Pressing Frame 61, Pressing Cylinder 62, Pressing Beam 63, Rotating Press Head 64, Mounting Plate A 65, Mounting Plate B 66, Mounting Plate C 67, Guide Rod 68, Mounting Plate D 611, Mounting Plate E 612. Detailed Implementation

[0026] The present invention will be described in detail below with reference to the embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0027] Please see Figure 1 , Figure 2 , Figure 5 This utility model provides a technical solution: a rolling device for connecting a wiper motor housing and a gearbox, characterized in that it includes a frame 1 with a platform 11, two rolling cutter modules 2 arranged opposite each other on the platform 1, a rotating module 3, a fixture 5, a pressing module 6, and a control device; the rotating module 3 is located between the two rolling cutter modules 2, the fixture 5 is fixedly installed on the rotating module 3, the wiper motor housing is arranged inside the fixture 5, the lower end of the gearbox 8 is arranged inside the wiper motor housing, the connection between the wiper motor housing and the gearbox 8 is arranged outside the fixture 5, the pressing module 6 is located above the gearbox 8, and the two rolling cutter modules 2, the rotating module 3, and the pressing module 6 are all electrically connected to the control device.

[0028] The wiper motor housing is manually placed inside fixture 5, the lower end of gearbox 8 is placed inside wiper motor housing, and the connection between wiper motor housing and gearbox 8 is placed outside fixture 5. Two roller cutter modules 2 move simultaneously towards rotating module 3, pressing module 6 presses the top of gearbox 8, and rotating module 3 drives wiper motor housing and gearbox 8 to rotate at high speed. The two roller cutter modules 2 roll the connection between wiper motor housing and gearbox 8 until the connection between wiper motor housing and gearbox 8 is completed.

[0029] See Figure 3The pressing module 6 includes a pressing frame 61 mounted on top of the frame 1, a vertically arranged pressing cylinder 62, a pressing crossbeam 63, a rotating pressing head 64, and mounting plates A65, B66, and C67 arranged horizontally from top to bottom. The pressing cylinder 62 is fixedly mounted on the mounting plate C67. The piston rod of the pressing cylinder 62 is connected to the center of the pressing crossbeam 63. The pressing crossbeam 63 is located below the mounting plate C67. A thrust bearing is installed at the center of the bottom surface of the pressing crossbeam 63. The rotating pressing head 64 is rotatably mounted in the thrust bearing. The rotating pressing head 64 is provided with a tapered hole that matches the pressing point on the top of the gearbox 8. After the rotating pressing head 64 presses down, the gearbox 8 can move freely. The rotating, downward-pressing crossbeam 63 has guide rods 68 connected to both ends. The other end of the guide rod 68 passes through the mounting plate C67 and mounting plate B66 in sequence and connects to the mounting plate A65. Each guide rod 68 is fitted with a linear bearing, which is located between the mounting plate B66 and mounting plate C67. The cooperation between the guide rod 68 and the linear bearing guides the movement of the downward-pressing crossbeam 63. When the downward-pressing crossbeam 63 is pressed down by the downward-pressing cylinder 62, the rotating pressure head 64 can move downward to the pressure point at the top of the gearbox 8 and enter the tapered hole of the rotating pressure head 64. It corrects the wiper motor housing and the gearbox 8 so that they are always at the center of rotation. The downward-pressing cylinder 62 is electrically connected to the control device.

[0030] See Figure 6 and Figure 7 Preferably, the shape of the inner cavity of the fixture 5 matches the wiper motor housing, the bottom of the fixture 5 is provided with a through hole 51, and the bottom of the fixture 5 is provided with two positioning pins 52. The two positioning pins 52 respectively match the two positioning grooves at the bottom of the wiper motor housing. The size of the fixture 5 matches the size of the wiper motor housing, and the positioning pins 52 position the rotation direction of the wiper motor housing.

[0031] See Figure 4Preferably, the rotating module 3 includes a rotating shaft 32, a rotating motor 33, a fixing sleeve 31 fixedly installed between two roller cutter modules 2 on the platform 11, and a lifting assembly 4. A bearing is arranged inside the fixing sleeve 31. The rotating shaft 32 passes through the bearing inside the fixing sleeve 31 on the platform 11 and is connected to the fixture 5. The rotating motor 33 is fixed on the frame 1. The output end of the rotating motor 33 passes through the platform 11 and is connected to the rotating shaft 32 via a transmission mechanism A34. The rotating motor 33 is electrically connected to the control device. Preferably, the transmission mechanism A34 is a synchronous pulley belt. The rotating shaft 32 is connected to the rotating motor 33 via the synchronous pulley belt, driving the wiper motor housing and gearbox 8 to rotate. Preferably, the lifting assembly 4 includes a lifting cylinder 41 and a lifting... The lifting rod 42 and the lifting cylinder 41 are fixedly installed on the frame 1. The piston rod of the lifting cylinder 41 is connected to one end of the lifting rod 42, and the other end of the lifting rod 42 extends into the inner cavity of the rotating shaft 32. The lifting rod 42 moves up and down under the action of the lifting cylinder 41. When the lifting rod 42 moves upward, the other end of the lifting rod 42 passes through the rotating shaft 32 and then through the through hole 51 of the fixture 5 to contact the wiper motor housing. The lifting rod 42 drives the wiper motor housing to move upward. The lifting cylinder 41 is electrically connected to the control device. After the wiper motor housing and gearbox 8 are connected, the lifting cylinder 41 drives the lifting rod 42 to move upward. The lifting rod 42 pushes the wiper motor housing and gearbox 8 out of the fixture 5, which makes it convenient for manual removal of the wiper motor housing and gearbox 8.

[0032] See Figure 3 Preferably, the pressing module 6 is equipped with through-beam sensors A, B, and C. The pressing frame 61 is equipped with mounting plates D611 and E612. The transmitting and receiving ends of through-beam sensors A, B, and C are respectively mounted on mounting plates D611 and E612. Through-beam sensor A is used to sense whether the wiper motor housing and gearbox 8 are arranged on the fixture 5. Through-beam sensor B is used to sense whether the wiper motor housing and gearbox 8 on the fixture 5 have been rotated into place. Through-beam sensor C is used to sense whether the front and back of the wiper motor housing and gearbox 8 on the fixture 5 are arranged correctly. Through-beam sensors A, B, and C are all electrically connected to the control device.

[0033] See Figure 2Preferably, the roller cutter module 2 includes a moving platform 21, a moving platform motor 22 fixedly mounted on a table 11, and a roller cutter 23. Two horizontal slide rails 24 and a lead screw 25 are arranged in parallel on the table 11. Each slide rail 24 is equipped with a slider. The moving platform 21 is connected to the two sliders. The screw of the lead screw 25 is parallel to the slide rail 24. The screw of the lead screw 25 is connected to the output end of the moving platform motor 22 through a transmission mechanism B26. The nut of the lead screw 25 is connected to the moving platform 21. A bearing is installed at one end of the moving platform 21 near the rotating module 3. The roller cutter 23 is rotatably mounted in the bearing and can rotate freely. The lead screw 25 drives the moving platform 21 to move along the slide rail 24 under the action of the moving platform motor 22. The moving platform motor 22 is electrically connected to the control device. The movement of the two moving platforms 21 can make both roller cutters 23 contact the connection between the wiper motor housing and the gearbox 8. Preferably, the height difference between the two roller cutter modules 23 matches the width of the slot in the gearbox 8. The two moving platforms 21 move towards the rotating module 3 under the action of their respective moving platform motors 22. Simultaneously, the rotation of the wiper motor housing and the gearbox 8 causes the two roller cutters 23 to roll, and the two roller cutters 23 roll over the connection between the wiper motor housing and the gearbox 8, thus connecting the wiper motor housing and the gearbox 8.

[0034] The wiper motor housing is placed inside fixture 5. The lower end of gearbox 8 is arranged inside the wiper motor housing. The positioning pin 52 inside fixture 8 positions the rotation direction of the wiper motor housing. The rotating pressure head 64 descends to press and straighten the gearbox. The rotating shaft is connected to the fixture. The rotating shaft 32 rotates to drive the wiper motor housing and gearbox 8 to rotate. Two roller cutters 23 slowly feed to roll the connection between the wiper motor housing and gearbox 8. After rolling, the lifting rod 42 pushes the wiper motor housing and gearbox 8 out of fixture 5, which makes it easy for the wiper motor housing and gearbox 8 to be picked up manually.

[0035] Optionally, a brush cylinder 7 is fixedly installed on the platform 11. The brush cylinder 7 is connected to the brush, and the brush is electrically connected to the voltage and current tester. Under the action of the brush cylinder 7, the brush can contact the mover of the wiper motor. The brush cylinder 7 is electrically connected to the control device.

[0036] Before rolling, the brush cylinder 7, under the control of the control device, drives the brush to move so that the brush contacts the mover of the wiper motor. The mover of the wiper motor rotates energized, and the voltage and current tester measures the current. After rolling, the brush cylinder 7, under the control of the control device, drives the brush to move so that the brush contacts the mover of the wiper motor. The mover of the wiper motor rotates energized, and the voltage and current tester measures the corresponding current. By comparing the current after rolling with the current before rolling, it can be determined whether the connection between the wiper motor housing and the gearbox 8 is qualified.

[0037] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions and substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.

Claims

1. A rolling apparatus for the connection of a wiper motor housing and a gear box, characterized in that, The utility model provides a wiper motor assembly device, including the frame (1) that is provided with the mesa (11), two hob modules (2) are opposite and set up on mesa (1), rotating module (3), jig (5), lower pressing module (6) and controlling means, rotating module (3) is located between two hob modules (2), jig (5) is fixedly installed on rotating module (3), wiper motor casing is arranged in jig (5), the lower end of gear box (8) is arranged in wiper motor casing, the connecting place of wiper motor casing and gear box (8) is arranged outside jig (5), lower pressing module (6) is located above gear box (8), two hob modules (2), rotating module (3) and lower pressing module (6) are electrically connected with controlling means, The lower pressing module (6) includes a lower pressing frame (61) installed on the top of the frame (1), a vertically arranged lower pressing cylinder (62), a lower pressing beam (63), a rotating pressing head (64), and installation plates A (65), B (66), and C (67) arranged horizontally from top to bottom, the lower pressing cylinder (62) is fixedly installed on the installation plate C (67), the piston rod of the lower pressing cylinder (62) is connected to the center of the lower pressing beam (63), the lower pressing beam (63) is located below the installation plate C (67), the bottom surface of the lower pressing beam (63) is centrally provided with a thrust bearing, the rotating pressing head (64) is rotatably installed in the thrust bearing, the rotating pressing head (64) is provided with a conical hole matched with the pressing point at the top of the gear box (8), both ends of the lower pressing beam (63) are connected with guide rods (68), the other ends of the guide rods (68) pass through the installation plates C (67) and B (66) in sequence and are connected with the installation plate A (65), the guide rods (68) are each sleeved with a linear bearing, the linear bearings are located between the installation plates B (66) and C (67), when the lower pressing beam (63) is pressed down under the action of the lower pressing cylinder (62), the rotating pressing head (64) can move downward to the pressing point at the top of the gear box (8) and enter the conical hole of the rotating pressing head (64), the lower pressing cylinder (62) is electrically connected with the control device; The shape of the inner cavity of the jig (5) matches the wiper motor casing, the bottom of the jig (5) is provided with a through hole (51), and the bottom of the jig (5) is provided with two positioning pins (52), the two positioning pins (52) are respectively matched with two positioning grooves at the bottom of the wiper motor casing.

2. The rolling apparatus for wiper motor housing and gear case connection of claim 1, wherein, The rotating module (3) comprises a rotating shaft (32), a rotating motor (33), a fixed sleeve (31) fixedly installed between the two hobbing module (2) on the table (11), and a jacking assembly (4), the bearing is arranged in the fixed sleeve (31), the rotating shaft (32) is connected with the jig (5) after penetrating the bearing in the fixed sleeve (31) on the table (11), the rotating motor (33) is fixed on the rack (1), the output end of the rotating motor (33) is connected with the rotating shaft (32) through the transmission mechanism A (34) after penetrating the table (11), the jacking assembly (4) comprises a jacking cylinder (41) and a jacking rod (42), the jacking cylinder (41) is fixedly installed on the rack (1), the piston rod of the jacking cylinder (41) is connected with one end of the jacking rod (42), the other end of the jacking rod (42) extends to the inner cavity of the rotating shaft (32), the jacking rod (42) makes lifting movement under the action of the jacking cylinder (41), when the jacking rod (42) makes ascending movement, the other end of the jacking rod (42) penetrates the rotating shaft (32) and then penetrates the through hole (51) of the jig (5) to contact the wiper motor shell, the jacking rod (42) drives the wiper motor shell to make ascending movement, and the rotating motor (33) and the jacking cylinder (41) are electrically connected with the control device.

3. The rolling apparatus for wiper motor housing and gear case connection of claim 2, wherein, The down-pressing module (6) is provided with a pair of photoelectric sensors A, a pair of photoelectric sensors B and a pair of photoelectric sensors C, the down-pressing rack (61) is provided with a mounting plate D (611) and a mounting plate E (612), the transmitting end and the receiving end of the pair of photoelectric sensors A, the pair of photoelectric sensors B and the pair of photoelectric sensors C are respectively installed on the mounting plate D (611) and the mounting plate E (612), the pair of photoelectric sensors A are used for sensing whether the wiper motor shell and the gear box (8) are arranged on the jig (5), the pair of photoelectric sensors B are used for sensing whether the wiper motor shell and the gear box (8) on the jig (5) are rotated in place, the pair of photoelectric sensors C are used for sensing whether the front and back of the wiper motor shell and the gear box (8) on the jig (5) are arranged correctly, and the pair of photoelectric sensors A, the pair of photoelectric sensors B and the pair of photoelectric sensors C are electrically connected with the control device.

4. The rolling apparatus for wiper motor housing and gear case connection of claim 3, wherein, The hob module (2) comprises a moving platform (21), a moving platform motor (22) fixedly installed on a table top (11), and a hob (23), two horizontal sliding rails (24) and a screw rod (25) are arranged in parallel on the table top (11), each sliding rail (24) is provided with a sliding block, the moving platform (21) is connected with the two sliding blocks, the screw rod (25) is parallel to the sliding rail (24), the screw rod (25) is connected with the output end of the moving platform motor (22) through a transmission mechanism B (26), the screw nut of the screw rod (25) is connected with the moving platform (21), a bearing is installed on one end of the moving platform (21) close to the rotating module (3), the hob (23) is rotatably installed in the bearing, the screw rod (25) drives the moving platform (21) to move along the sliding rail (24) under the action of the moving platform motor (22), the moving platform motor (22) is electrically connected with a control device, and the movement of the two moving platforms (21) can make the two hobs (23) contact with the connection part of the wiper motor shell and the gear box (8).

5. The rolling apparatus for wiper motor housing and gear case connection of claim 4, wherein, The height difference of the two hobs (23) of the hob module (2) is matched with the groove width of the gear box (8).

6. The rolling apparatus for wiper motor housing and gear case connection of claim 5, wherein, The table top (11) is fixedly provided with a brush cylinder (7), the brush cylinder (7) is connected with a brush, the brush is electrically connected with a voltage and current testing machine, the brush can contact with a mover of the wiper motor under the action of the brush cylinder (7), and the brush cylinder (7) is electrically connected with a control device.

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