Automatic press fitting device

Abstract

This invention relates to the field of motor manufacturing equipment technology, and discloses an automatic pressing device. The automatic pressing device includes a frame and, mounted on the frame, a floating platform including a lifting top plate, which is elastically arranged vertically and supports an iron cover and a square bearing to be pressed, confining the square bearing below the mounting groove of the iron cover; a lowering device, the output end of which can move vertically to push the iron cover and the lifting top plate downwards; and an upper pushing device, the output end of which abuts against the square bearing upwards, and can push the square bearing upwards to completely press the square bearing into the mounting groove. The automatic pressing device provided by this invention, through the sequential action of the lowering device and the upper pushing device, presses the square bearing into the mounting groove of the iron cover in two steps, shortening the single pressing stroke, reducing stress concentration, improving the reliability of pressing, and increasing the product qualification rate.

Description

Technical Field

[0001] This invention relates to the field of motor manufacturing equipment technology, and more particularly to automatic pressing equipment. Background Technology

[0002] The structure of a micro motor includes components such as a housing, rotor, end caps, and metal covers. The rotor is fixed within the motor by ball bearings press-fitted to the bottom of the housing and square bearings press-fitted to the metal covers at both ends of the rotor shaft. The combination of ball bearings and square bearings at both ends of the rotor is the most common design structure in the micro motor industry.

[0003] Currently, the installation of iron covers and square bearings is usually done by pressing the square bearing directly into the mounting groove of the iron shell in a semi-automatic or automatic manner. This makes it difficult to ensure that the bearing is installed in one step, which affects the product qualification rate.

[0004] Therefore, there is an urgent need for automated pressing equipment to solve the above-mentioned technical problems. Summary of the Invention

[0005] Based on the above, the purpose of this invention is to provide an automatic pressing device that, through the sequential action of the pressing device and the lifting device, presses the square bearing into the mounting groove of the iron cover in two steps, shortening the single pressing stroke, reducing stress concentration, improving the reliability of pressing, and increasing the product qualification rate.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Provide an automated pressing device, including a frame and a component mounted on the frame:

[0008] A floating platform includes a lifting top plate, which is elastically arranged in the vertical direction. The lifting top plate is used to support the iron cover and square bearing to be pressed and to limit the square bearing to the mounting groove of the iron cover.

[0009] The downward pressing device has an output end that can move vertically to push the iron cover and the lifting top plate downwards;

[0010] The upper lifting device has its output end abutting upward against the square bearing, and the output end of the upper lifting device can push the square bearing upward to completely press the square bearing into the mounting groove.

[0011] As an optional technical solution for automatic pressing equipment, the lifting top plate is provided with a limiting step and a limiting groove. The limiting step protrudes from the upper surface of the lifting top plate and can abut against the iron cover in the horizontal direction. The limiting groove is provided on the upper surface of the lifting top plate. One end of the limiting groove passes through one side of the lifting top plate, and the other end of the limiting groove is provided with a pressing area. The square bearing to be pressed is limited to the pressing area.

[0012] As an optional technical solution for automatic pressing equipment, the bottom of the pressing area is provided with a lifting clearance hole, and the output end of the upper lifting device passes through the lifting clearance hole.

[0013] As an optional technical solution for automatic pressing equipment, the upper lifting device includes:

[0014] The upper drive component is fixed to the frame by a second connecting rod, and the output end of the upper drive component can extend and retract in the vertical direction;

[0015] A fixed shaft, the lower end of which is connected to the output end of the upper drive component;

[0016] A push pin is fixed to the upper end of the fixed shaft. The push pin passes through the lifting clearance hole and can abut against the square bearing upwards.

[0017] As an optional technical solution for automated pressing equipment, the floating platform also includes:

[0018] Mounting base, fixed to the frame, and the mounting base is located below the lifting top plate;

[0019] The first linear bearing is fixed to the lifting top plate;

[0020] The first connecting rod has one end fixed to the mounting base, and the other end of the first connecting rod passes through the first linear bearing;

[0021] A pressure spring is sleeved on the first connecting rod, and the two ends of the pressure spring abut against the mounting base and the first linear bearing, respectively.

[0022] The height limit bar is fixed at its lower end to the frame, and its upper end can abut against the lifting top plate to limit the lower limit position of the lifting top plate.

[0023] As an optional technical solution for automatic pressing equipment, the pressing device includes:

[0024] A downward pressure drive is fixed to the frame, and the output end of the downward pressure drive can extend and retract in the vertical direction;

[0025] The pressure plate is fixed to the output end of the downward pressure drive component;

[0026] An upper adjusting plate is provided with a first oblong hole extending along a first horizontal direction, and the upper adjusting plate is connected to the pressure plate by bolts passing through the first oblong hole;

[0027] The lower adjustment plate has a second oblong hole extending along the second horizontal direction. The lower adjustment plate and the upper adjustment plate are connected by bolts passing through the second oblong hole. The first horizontal direction is perpendicular to the second horizontal direction.

[0028] The upper end of the pressure head is fixedly connected to the lower adjustment plate, and the lower end of the pressure head is provided with a pressure relief hole, which is adapted to the protrusion of the iron cover.

[0029] As an optional technical solution for automatic pressing equipment, the pressing device further includes a guide assembly, which includes:

[0030] Two guide seats are fixedly installed on the frame;

[0031] Two guide posts, the lower ends of which are respectively fixedly installed on the two guide seats;

[0032] Two second linear bearings are provided, and both ends of the pressure plate are provided with clearance through holes that extend vertically. The two second linear bearings are respectively fixed to the lower end of the clearance through holes, and the two guide posts are respectively inserted through the second linear bearings and the clearance through holes on the corresponding sides.

[0033] As an optional technical solution for the automatic pressing equipment, the automatic pressing equipment further includes:

[0034] A first feeding device includes a first vibratory feeder, a first feeding channel, and a first pushing member. The first vibratory feeder is used to feed the iron cover into the first feeding channel, which is connected to the lifting top plate. The first pushing member can push the iron cover in the first feeding channel onto the lifting top plate; and / or

[0035] The second feeding device includes a second vibratory plate, a second feeding channel, and a second pushing component. The second vibratory plate is used to feed the square bearing to the second feeding channel, which is connected to the lifting top plate. The second pushing component can push the square bearing in the second feeding channel to the lifting top plate.

[0036] As an optional technical solution for the automatic pressing equipment, the automatic pressing equipment further includes:

[0037] A feeding device includes a feeding channel, a first feeding drive, a second feeding drive, a third feeding drive, a fourth feeding drive, and a feeding fixture. The upstream end of the feeding channel is connected to the lifting top plate, and the upstream end of the feeding channel is connected to the feeding fixture. The feeding fixture is provided with a feeding groove for loading the pressed assembly. The feeding fixture is installed on the movable end of the fourth feeding drive, and the fourth feeding drive is installed on the movable end of the third feeding drive. The first feeding drive is used to push the assembly into the feeding channel, the second feeding drive is used to push the assembly in the feeding channel to the feeding groove, the third feeding drive is used to drive the fourth feeding drive to move horizontally, and the fourth feeding drive is used to drive the feeding groove to rise and fall.

[0038] A screening device includes a sliding plate, a screening drive, a screening pusher, a screening detector, and a waste box. The sliding plate is installed on the feeding channel. The screening drive and the waste box are respectively installed on opposite sides of the sliding plate. The screening pusher is installed on the movable end of the screening drive. The screening detector is used to detect unqualified assemblies. The screening drive can drive each of the screening pushers to push the unqualified assemblies into the waste box.

[0039] As an optional technical solution for the automatic pressing equipment, the automatic pressing equipment further includes a guiding mechanism, which includes:

[0040] Mounting plate, fixedly installed on the conveyor channel for conveying the iron cover or the press-fitted assembly;

[0041] A slide cylinder is fixedly mounted on the mounting plate in the vertical direction, and the output end of the slide cylinder can extend and retract in the vertical direction.

[0042] The lifting cover plate is installed on the output end of the slide cylinder via a connecting plate. The bottom end of the lifting cover plate is provided with a guide groove that runs through it in a horizontal direction. The guide groove is adapted to the iron cover.

[0043] The beneficial effects of this invention are as follows:

[0044] This invention provides an automatic pressing device that uses a floating, lifting top plate to support an iron cap and a square bearing to be pressed. The square bearing is positioned below the mounting groove of the iron cap. During pressing, the lower pressing device first pushes the iron cap and the lifting top plate downwards, causing them to move downwards together. At this time, because the output end of the upper pressing device supports the square bearing, the bearing does not descend with the lifting top plate, and part of the bearing is pressed into the mounting groove. The lower pressing device remains extended. Then, the output end of the upper pressing device pushes the square bearing upwards, fully pressing it into the mounting groove. Finally, the lower pressing device and the upper pressing device retract, completing the pressing operation of the iron cap and the square bearing. This automatic pressing device, through the sequential action of the lower pressing device and the upper pressing device, presses the square bearing into the mounting groove of the iron cap in two steps, shortening the single pressing stroke, reducing stress concentration, improving the reliability of pressing, and increasing the product qualification rate. Attached Figure Description

[0045] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0046] Figure 1 This is a schematic diagram of the structure after the iron cover and square bearing are press-fitted.

[0047] Figure 2 This is a structural diagram of the iron cover and square bearing before press-fitting;

[0048] Figure 3 This is a schematic diagram of the automatic pressing equipment provided by the present invention;

[0049] Figure 4 This is a partial structural diagram of the automatic pressing equipment provided by the present invention. Figure 1 ;

[0050] Figure 5 This is a partial structural diagram of the automatic pressing equipment provided by the present invention. Figure 2 ;

[0051] Figure 6 This is a schematic diagram of the structure of the lifting roof provided by the present invention;

[0052] Figure 7 This is a partial structural diagram of the automatic pressing equipment provided by the present invention. Figure 3 ;

[0053] Figure 8 This is a partial structural side view of the automatic pressing equipment provided by the present invention;

[0054] Figure 9 This is a partial structural cross-sectional view of the automatic pressing equipment provided by the present invention;

[0055] Figure 10 yes Figure 9 Enlarged schematic diagram of region A in the middle;

[0056] Figure 11 This is a structural schematic diagram of the automatic pressing equipment provided by the present invention.

[0057] In the picture:

[0058] 10. Floating platform; 11. Lifting top plate; 111. Limiting step; 112. Limiting groove; 113. Lifting clearance hole; 114. Floating through hole; 12. Mounting base; 13. First linear bearing; 14. Compression spring; 15. Height limit bar; 16. Shim; 17. First buffer pad; 18. Second buffer pad;

[0059] 20. Pressing device; 21. Pressing drive component; 22. Pressure plate; 23. Upper adjusting plate; 24. Lower adjusting plate; 25. Press head; 251. Pressing clearance hole; 26. Press plate; 27. Support rod; 28. First floating joint; 29. ​​End cover; 201. Guide seat; 202. Guide column; 203. Second linear bearing;

[0060] 30. Upper lifting device; 31. Upper lifting drive component; 32. Fixed shaft; 33. Ejector pin; 34. Cup holder; 35. Second connecting rod; 36. Second floating joint;

[0061] 40. First feeding device; 41. First vibratory feeder; 42. First feeding channel; 43. First pushing component; 44. First feeding detection component;

[0062] 50. Second feeding device; 51. Second vibratory feeder; 52. Second feeding channel; 53. Second pushing component; 54. Second feeding detection component;

[0063] 60. Feeding device; 61. Feeding channel; 62. First feeding drive; 63. Second feeding drive; 64. Third feeding drive; 65. Fourth feeding drive; 66. Feeding fixture;

[0064] 70. Screening device; 71. Slide plate; 72. Screening drive component; 73. Screening push plate; 74. Screening detection component; 75. Waste box; 76. Full material detection component;

[0065] 80. Guiding mechanism; 81. Mounting plate; 82. Slide cylinder; 83. Connecting plate; 84. Lifting cover plate; 841. Guide groove;

[0066] 90. Frame; 91. Tabletop; 92. Press base plate;

[0067] 100. Iron cover; 101. Mounting groove; 110. Flat plate; 120. Protrusion; 200. Square bearing. Detailed Implementation

[0068] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0069] This embodiment provides an automatic pressing device for pressing together the iron cover 100 and the square bearing 200, such as... Figure 1 and Figure 2 As shown, the iron cover 100 includes a flat plate portion 110 and a protrusion portion 120. The protrusion portion 120 is provided with a mounting groove 101. The inner diameter of the mounting groove 101 is adapted to the outer diameter of the square bearing 200. The square bearing 200 after pressing is interference-fitted with the mounting groove 101.

[0070] like Figures 3-11 As shown, the automatic pressing equipment includes a frame 90 and a floating platform 10, a pressing device 20, and an lifting device 30 mounted on the frame 90. The floating platform 10 includes a lifting top plate 11, which is elastically arranged vertically. The lifting top plate 11 supports the iron cover 100 and the square bearing 200 to be pressed, and confines the square bearing 200 below the mounting groove 101 of the iron cover 100. The output end of the pressing device 20 can move vertically to push the iron cover 100 and the lifting top plate 11 downwards. The output end of the lifting device 30 abuts against the square bearing 200 upwards, and can push the square bearing 200 upwards to completely press the square bearing 200 into the mounting groove 101.

[0071] Specifically, the automatic pressing equipment provided in this embodiment uses a floating top plate 11 to support the iron cover 100 and the square bearing 200 to be pressed. The square bearing 200 is confined below the mounting groove 101 of the iron cover 100. During pressing, the lower pressing device 20 first pushes the iron cover 100 and the lifting top plate 11 downwards, so that the iron cover 100 and the lifting top plate 11 move downwards together. At this time, since the output end of the upper pressing device 30 supports the square bearing 200, the square bearing 200 does not descend with the lifting top plate 11. The square bearing 200 is partially pressed into the mounting groove 101, and the lower pressing device 20 remains in the extended position. Then, the output end of the upper pressing device 30 pushes the square bearing 200 upwards, so that the square bearing 200 is completely pressed into the mounting groove 101. Finally, the lower pressing device 20 and the upper pressing device 30 are reset and retracted respectively, thus completing the pressing operation of the iron cover 100 and the square bearing 200. The automatic pressing equipment provided in this embodiment uses the sequential action of the pressing device 20 and the lifting device 30 to press the square bearing 200 into the mounting groove 101 of the iron cover 100 in two steps, shortening the single pressing stroke, reducing stress concentration, improving the reliability of pressing, and increasing the product qualification rate.

[0072] For example, such as Figure 6 As shown, the lifting top plate 11 is provided with a limiting step 111 and a limiting groove 112. The limiting step 111 protrudes from the upper surface of the lifting top plate 11 and can abut against the iron cover 100 in the horizontal direction. The limiting groove 112 is provided on the upper surface of the lifting top plate 11. One end of the limiting groove 112 penetrates one side of the lifting top plate 11, and the other end of the limiting groove 112 is provided with a pressing area. The square bearing 200 to be pressed is limited to the pressing area. Specifically, before the pressing operation, the iron cover 100 is loaded onto the upper surface of the lifting top plate 11 and abuts horizontally against the limiting step 111. The side of the limiting step 111 is set as an arc surface structure that matches the arc side of the iron cover 100. The square bearing 200 is loaded from one end of the limiting groove 112 and pushed to the pressing area. At this time, the square bearing 200 is located directly below the mounting groove 101.

[0073] For example, such as Figure 6 As shown, a lifting clearance hole 113 is provided at the bottom of the pressing area, and the output end of the upper lifting device 30 passes through the lifting clearance hole 113.

[0074] Furthermore, such as Figures 7-9As shown, the floating platform 10 also includes a mounting base 12, four first linear bearings 13, four first connecting rods, four pressure springs 14, and a height limiting rod 15. A press base plate 92 is fixed on the platform 91 of the frame 90. The mounting base 12 is fixed to the press base plate 92 by fastening bolts, and the mounting base 12 is located below the lifting top plate 11. The lifting top plate 11 has floating through holes 114 at each of its four corners. The four first linear bearings 13 are respectively inserted through the four floating through holes 114 and fixed by fastening bolts. One end of the first connecting rod is fixed to the mounting base 12 by bolts, and the other end of the four first connecting rods is respectively inserted through the corresponding first linear bearings 13. The four pressure springs 14 are respectively sleeved on the four first connecting rods, and the two ends of the pressure springs 14 abut against the upper surface of the mounting base 12 and the lower end of the first linear bearings 13, respectively. The lower end of the height limiting rod 15 is fixed to the frame 90, and the upper end of the height limiting rod 15 can abut against the lifting top plate 11 to limit the lower limit position of the lifting top plate 11.

[0075] Specifically, during the pressing operation, the pressing device 20 pushes the lifting top plate 11 downward, compressing all four pressure springs 14 until the lifting top plate 11 comes into contact with the height limit bar 15. After the pressing device 20 removes the downward pressure, the four pressure springs 14 return to their original position and extend, causing the lifting top plate 11 to rise back to its original position.

[0076] For example, such as Figures 7-9 As shown, the height limit bar 15 passes through the mounting base 12, the press base plate 92 and the table panel 91. The height limit bar 15 is provided with a threaded part, which is locked to the table panel 91 by a nut. By adjusting the locking height of the nut, the top height of the height limit bar 15 can be adjusted, thereby adjusting the lower limit position that the lifting top plate 11 can reach, improving the flexibility of adjusting the pressing force and depth.

[0077] For example, such as Figures 7-9 As shown, a washer 16 and a first buffer pad 17 are fixed to the top of the first connecting rod by bolts. The outer diameter of the first buffer pad 17 is larger than the inner diameter of the first linear bearing 13.

[0078] For example, such as Figures 7-9 As shown, a second buffer pad 18 is provided between the upper end of the pressure spring 14 and the lower end of the first linear bearing 13.

[0079] For example, such as Figures 7-9As shown, the pressing device 20 includes a pressing drive 21, a pressure plate 22, an upper adjusting plate 23, a lower adjusting plate 24, and a pressing head 25. The pressing drive 21 is fixed to the press base plate 92 by a press bracket composed of a press plate 26 and two support rods 27. The output end of the pressing drive 21 can extend and retract in the vertical direction. The pressure plate 22 is fixed to the output end of the pressing drive 21. The upper adjusting plate 23 is provided with a first oblong hole extending in the first horizontal direction. The pressure plate 22 is connected to the upper adjustment plate 23 by bolts passing through the first oblong hole; the lower adjustment plate 24 is provided with a second oblong hole extending along the second horizontal direction, and the lower adjustment plate 24 and the upper adjustment plate 23 are connected by bolts passing through the second oblong hole, with the first horizontal direction perpendicular to the second horizontal direction; the upper end of the pressure head 25 is fixedly connected to the lower adjustment plate 24, and the lower end of the pressure head 25 is provided with a downward pressure relief hole 251, which is adapted to the protrusion 120 of the iron cover 100.

[0080] Specifically, such as Figures 7-9 As shown, the inner diameter of the downward pressing clearance hole 251 is not less than the outer diameter of the protrusion 120, so that the pressing head 25 can push downward against the flat plate portion 110 of the iron cover 100. Furthermore, the upper adjustment plate 23 and the lower adjustment plate 24 can precisely adjust the horizontal installation position of the pressing head 25, improve the reliability of the downward pressing, and avoid interference between the pressing head 25 and the protrusion 120 of the iron cover 100.

[0081] Preferably, the downward driving component 21 is a linear driving component such as a cylinder or hydraulic cylinder.

[0082] For example, such as Figures 7-9 As shown, the pressing device 20 also includes a first floating joint 28 and an end cap 29. The upper end of the first floating joint 28 is connected to the output end of the pressing drive 21, and the lower end of the first floating joint 28 is locked to the upper surface of the pressure plate 22 by the end cap 29. The end cap 29 is connected to the pressure plate 22 by bolts. The first floating joint 28 enables a floating connection between the pressing drive 21 and the pressure head 25, which can absorb positional deviations in the pressing action and further improve reliability.

[0083] For example, such as Figures 7-9 As shown, the pressing device 20 also includes a guide assembly, which includes two guide seats 201, two guide columns 202, and two second linear bearings 203. The two guide seats 201 are fixedly installed on the press base plate 92 on the frame 90. The lower ends of the two guide columns 202 are respectively fixedly installed on the two guide seats 201. Both ends of the pressure plate 22 are provided with clearance through holes that are arranged vertically. The two second linear bearings 203 are respectively fixed to the lower ends of the clearance through holes by bolts. The two guide columns 202 are respectively inserted through the second linear bearings 203 and clearance through holes on the corresponding sides.

[0084] Specifically, when the downward driving member 21 extends downward, the pressure plate 22 moves along the two guide posts 202. The guide assembly is configured to provide guidance for the movement of the pressure plate 22, preventing the horizontal position of the pressure plate 22 and the pressure head 25 from shifting during operation.

[0085] For example, such as Figures 7-10 As shown, the upper lifting device 30 includes an upper lifting drive 31, a fixed shaft 32, a ejector pin 33, and a cup holder 34. The upper lifting drive 31 is fixed to the lower side of the table panel 91 by a second connecting rod 35, and the output end of the upper lifting drive 31 can extend and retract in the vertical direction. The lower end of the fixed shaft 32 is connected to the output end of the upper lifting drive 31. The cup holder 34 is installed on the upper surface of the mounting base 12 by bolts. The upper end of the cup holder 34 passes through the lifting clearance hole 113 and supports the square bearing 200. The fixed shaft 32 passes through the table panel 91, the press base plate 92, and the cup holder 34 in sequence. The ejector pin 33 is fixed to the upper end of the fixed shaft 32. The ejector pin 33 passes through the lifting clearance hole 113 and can abut against the square bearing 200 upward.

[0086] Specifically, such as Figures 7-10 As shown, the upper drive member 31 extends upward to drive the fixed shaft 32 and the ejector pin 33 to move up and down together, so as to drive the square bearing 200 to be further pressed into the mounting groove 101 of the iron cover 100. The outer diameter of the fixed shaft 32 is larger than the outer diameter of the ejector pin 33. The cup seat 34 is configured to provide guidance for the lifting and lowering of the fixed shaft 32, thereby improving the reliability of the upper movement.

[0087] Preferably, the upper drive component 31 is a linear drive component such as a cylinder or hydraulic cylinder.

[0088] For example, such as Figures 7-9 As shown, the upper lifting device 30 also includes a second floating joint 36. The lower end of the second floating joint 36 is connected to the output end of the upper lifting drive 31, and the upper end of the second floating joint 36 is connected to the fixed shaft 32. The first floating joint 28 enables a floating connection between the upper lifting drive 31 and the ejector pin 33, which can absorb positional deviations in the upper lifting action and further improve reliability.

[0089] For example, such as Figures 3-5 As shown and Figures 7-9 As shown, the automatic pressing equipment also includes a first feeding device 40, which includes a first vibrating plate 41, a first feeding channel 42, and a first pushing component 43. The first vibrating plate 41 is used to feed the iron cover 100 to the first feeding channel 42. The first feeding channel 42 is connected to the lifting top plate 11. The first pushing component 43 can push the iron cover 100 in the first feeding channel 42 onto the lifting top plate 11.

[0090] For example, the first pusher 43 is a linear cylinder. The first pusher 43 is fixed to the end of the first feeding channel 42 away from the lifting top plate 11. The output end of the first pusher 43 is connected to the first pusher plate. Under the drive of the first pusher 43, the first pusher plate extends into the first feeding channel 42 and pushes the iron cover 100 to be conveyed along the first feeding channel 42. The pushing force is transmitted between adjacent iron covers 100 one by one, so that the iron covers 100 are transferred from the first feeding channel 42 to the lifting top plate 11 and abut against the limiting step 111, reaching the predetermined pressing position.

[0091] For example, such as Figures 7-9 As shown, the first feeding device 40 also includes a first feeding detection element 44, which is located in the first feeding channel 42 and is used to detect whether the iron cover 100 has reached the position to be pushed by the first pusher 43.

[0092] For example, the first feeding detection component 44 uses an infrared sensor. The transmitter and receiver of the infrared sensor are respectively located on the upper and lower sides of the first feeding channel 42, and the first feeding channel 42 is provided with a detection hole. If the iron cover 100 is not delivered to the correct position, the signal emitted by the transmitter is transmitted through the detection hole and is eventually detected by the receiver. If the iron cover 100 is delivered to the correct position, the signal emitted by the transmitter is blocked by the iron cover 100, and the receiver cannot detect the aforementioned signal. This is used to determine whether the iron cover 100 has been delivered to the correct position. After the iron cover 100 is delivered to the correct position, the first pusher component 43 extends horizontally once.

[0093] For example, such as Figures 3-5 As shown, the automatic pressing equipment also includes a second feeding device 50, which includes a second vibrating plate 51, a second feeding channel 52, and a second pushing member 53. The second vibrating plate 51 is used to feed the square bearing 200 to the second feeding channel 52. The second feeding channel 52 is arranged in the same direction as the first feeding channel 42. The second feeding channel 52 is connected to the limiting groove 112 of the lifting top plate 11. The second pushing member 53 can push the square bearing 200 in the second feeding channel 52 into the limiting groove 112 of the lifting top plate 11.

[0094] For example, the second pusher 53 is a linear cylinder. The second pusher 53 is fixed to the end of the second feeding channel 52 away from the lifting top plate 11. The output end of the second pusher 53 is connected to the second pusher plate. Under the drive of the second pusher 53, the second pusher plate extends into the second feeding channel 52 and pushes the square bearing 200 to be conveyed along the second feeding channel 52. The pushing force is transmitted between adjacent square bearings 200 one by one, so that the square bearings 200 are transmitted one by one from the second feeding channel 52 to the limiting groove 112 and reach the predetermined pressing area.

[0095] For example, such as Figure 5As shown, the second feeding device 50 also includes a second feeding detection element 54, which is located in the second feeding channel 52 and is used to detect whether the square bearing 200 has reached the position to be pushed by the second pusher 53.

[0096] For example, the second feeding detection component 54 uses an infrared sensor. The transmitter and receiver of the infrared sensor are respectively located on the upper and lower sides of the second feeding channel 52, and the second feeding channel 52 is provided with a detection hole. If the square bearing 200 is not delivered to the correct position, the signal emitted by the transmitter is transmitted through the detection hole and is eventually detected by the receiver. If the square bearing 200 is delivered to the correct position, the signal emitted by the transmitter is blocked by the square bearing 200, and the receiver cannot detect the aforementioned signal. This is used to determine whether the square bearing 200 has been delivered to the correct position. After the square bearing 200 is delivered to the correct position, the second pusher component 53 extends horizontally once.

[0097] For example, such as Figures 3-5 As shown, the automatic pressing equipment also includes a feeding device 60, which includes a feeding channel 61, a first feeding drive 62, a second feeding drive 63, a third feeding drive 64, a fourth feeding drive 65, and a feeding fixture 66. The upstream end of the feeding channel 61 is connected to the lifting top plate 11, and the upstream end of the feeding channel 61 is connected to the feeding fixture 66. The feeding fixture 66 is provided with a feeding trough for loading the pressed assembly. The feeding fixture 66 is installed on the movable end of the fourth feeding drive 65, and the fourth feeding drive 65 is installed on the movable end of the third feeding drive 64. The first feeding drive 62 is used to push the assembly into the feeding channel 61, the second feeding drive 63 is used to push the assembly in the feeding channel 61 to the feeding trough, the third feeding drive 64 is used to drive the fourth feeding drive 65 to move horizontally, and the fourth feeding drive 65 is used to drive the feeding trough to rise and fall.

[0098] Specifically, the first unloading drive 62 and the unloading channel 61 are respectively located on opposite sides of the lifting top plate 11, and the second unloading drive 63 is located at the end of the unloading channel 61, with the extension direction of the second unloading drive 63 perpendicular to the extension direction of the unloading channel 61. After the iron cover 100 and the square bearing 200 are pressed together to form the assembly, the first unloading drive 62 extends and pushes the assembly into the unloading channel 61. The pushing force is transmitted between adjacent assemblies one by one, so that the assemblies are transferred one by one along the unloading channel 61 to the end of the unloading channel 61. The second unloading drive 63 extends and drives the assembly to move to the unloading fixture 66, where it is limited by the unloading groove. Finally, the third and fourth drive components extend in sequence, waiting for the assembly to be removed, thus completing the unloading step.

[0099] For example, the first feeding drive 62, the second feeding drive 63, the third feeding drive 64 and the fourth feeding drive 65 are linear drive components such as cylinders, electric actuators, and hydraulic cylinders.

[0100] For example, such as Figure 4 and Figure 5 As shown, the automatic pressing equipment also includes a screening device 70. The screening device 70 includes a slide plate 71, a screening drive 72, a screening push plate 73, a screening detection element 74, a waste box 75, and a full material detection element 76. The slide plate 71 is installed in the middle section of the feeding channel 61. The screening drive 72 and the waste box 75 are respectively installed on opposite sides of the slide plate 71. The screening push plate 73 is installed on the movable end of the screening drive 72. The screening detection element 74 is used to detect unqualified assemblies. The screening drive 72 can drive each screening push plate 73 to push the unqualified assemblies into the waste box 75. The full material detection element 76 is set on the top of the side wall of the waste box 75 and is used to detect the assemblies located at the top of the waste box 75.

[0101] Specifically, when the screening drive 72 is in the retracted state, the screening push plate 73 covers the top of the feed channel 61, and the bottom of the screening push plate 73 is provided with a clearance groove for the assembly to pass through. When the screening detector 74 detects that there is a defective assembly below the screening push plate 73, the movable end of the screening drive 72 extends and pushes the assembly toward the upper opening of the waste box 75 through the screening push plate 73, so that the assembly falls into the waste box 75.

[0102] For example, under normal conditions, the central through holes of the iron cover 100 and the square bearing 200 in the assembly are interconnected and their axes coincide. However, in unqualified assemblies, the iron cover 100 and the square bearing 200 are usually misaligned and deformed, thus blocking the central through holes of the iron cover 100 and the square bearing 200. The screening and detection component 74 uses an infrared sensor. The transmitter and receiver of the infrared sensor are respectively set on the upper and lower sides of the feed channel 61. Both the feed channel 61 and the screening push plate 73 are provided with detection holes. For qualified assemblies, the signal emitted by the transmitter is transmitted through the detection holes and the central through holes of the iron cover 100 and the square bearing 200, and is finally detected by the receiver. For unqualified assemblies, the signal emitted by the transmitter is blocked by the iron cover 100 or the square bearing 200, and the receiver cannot detect the aforementioned signal. Based on this, the assembly is judged to be unqualified. Then, the screening drive component 72 extends horizontally once, pushing the assembly into the waste box 75.

[0103] Preferably, the full-material detection component 76 uses an infrared sensor.

[0104] For example, such as Figure 11As shown, the automatic pressing equipment also includes a guiding mechanism 80. The first feeding channel 42 and the unloading channel 61 are both equipped with the guiding mechanism 80. The guiding mechanism 80 includes a mounting plate 81, a sliding cylinder 82, a connecting plate 83, and a lifting cover plate 84. The mounting plate 81 is fixedly installed on the conveying channel of the iron cover 100 or the pressing assembly, that is, it is installed on the first feeding channel 42 or the unloading channel 61. The sliding cylinder 82 is fixedly installed on the mounting plate 81 in the vertical direction. The output end of the sliding cylinder 82 can extend and retract in the vertical direction. The lifting cover plate 84 is installed on the output end of the sliding cylinder 82 through the connecting plate 83. The bottom end of the lifting cover plate 84 is provided with a guide groove 841 that runs through in the horizontal direction. The guide groove 841 is adapted to the iron cover 100.

[0105] Specifically, the guide groove 841 is configured as a single-step structure, with its upper dimension matching the protrusion 120 of the iron cover 100 and its lower dimension matching the flat plate 110 of the iron cover 100. During conveying, the slide cylinder 82 drives the lifting cover plate 84 to descend to a preset position, and the iron cover 100 is conveyed below the lifting cover plate 84. Subsequently, the slide cylinder 82 drives the lifting cover plate 84 to rise, and then the first pusher 43 or the second unloading drive 63 pushes the iron cover 100 away from the lifting cover plate 84 in a horizontal direction perpendicular to the original conveying direction. The two guide mechanisms 80 respectively improve the conveying accuracy of the iron cover 100 from the pressing area and the conveying accuracy of the pressed assembly from the unloading fixture 66.

[0106] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. An automatic pressing and fitting equipment, characterized in that, Includes a rack (90) and components mounted on the rack (90): The floating platform (10) includes a lifting top plate (11), which is elastically arranged in the vertical direction. The lifting top plate (11) is used to support the iron cover (100) and the square bearing (200) to be pressed, and limits the square bearing (200) to be located below the mounting groove (101) of the iron cover (100). The downward pressing device (20) has an output end that can move vertically to push the iron cover (100) and the lifting top plate (11) downward. The upper push device (30) has its output end abutting upward against the square bearing (200), and the output end of the upper push device (30) can push the square bearing (200) upward to completely press the square bearing (200) into the mounting groove (101). The lifting top plate (11) is provided with a limiting step (111) and a limiting groove (112). The limiting step (111) protrudes from the upper surface of the lifting top plate (11) and can abut against the iron cover (100) in the horizontal direction. The limiting groove (112) is provided on the upper surface of the lifting top plate (11). One end of the limiting groove (112) penetrates one side of the lifting top plate (11) and the other end of the limiting groove (112) is provided with a pressing area. The square bearing (200) to be pressed is limited in the pressing area. The bottom of the pressing area is provided with a lifting clearance hole (113), and the output end of the upper lifting device (30) passes through the lifting clearance hole (113). The upper support device (30) includes: The upper drive unit (31) is fixed to the frame (90) by the second connecting rod (35), and the output end of the upper drive unit (31) can extend and retract in the vertical direction; A fixed shaft (32) is connected at its lower end to the output end of the upper drive member (31); The ejector pin (33) is fixed to the upper end of the fixed shaft (32). The ejector pin (33) passes through the lifting relief hole (113) and can abut against the square bearing (200) upward.

2. The automatic pressing equipment according to claim 1, characterized in that, The floating platform (10) also includes: Mounting base (12) is fixed to the frame (90), and the mounting base (12) is located below the lifting top plate (11); The first linear bearing (13) is fixed to the lifting top plate (11). The first connecting rod has one end fixed to the mounting base (12) and the other end of the first connecting rod passes through the first linear bearing (13). A pressure spring (14) is sleeved on the first connecting rod, and the two ends of the pressure spring (14) abut against the mounting base (12) and the first linear bearing (13) respectively. The height limit bar (15) is fixed at its lower end to the frame (90), and the upper end of the height limit bar (15) can abut against the lifting top plate (11) to limit the lower limit position of the lifting top plate (11).

3. The automatic pressing equipment according to claim 1, characterized in that, The pressing device (20) includes: A downward pressure drive (21) is fixed to the frame (90), and the output end of the downward pressure drive (21) can extend and retract in the vertical direction; The pressure plate (22) is fixed to the output end of the downward pressure drive (21); The upper adjustment plate (23) is provided with a first waist-shaped hole extending in the first horizontal direction. The upper adjustment plate (23) and the pressure plate (22) are connected by bolts passing through the first waist-shaped hole. The lower adjustment plate (24) is provided with a second waist-shaped hole extending along the second horizontal direction. The lower adjustment plate (24) and the upper adjustment plate (23) are connected by bolts passing through the second waist-shaped hole. The first horizontal direction is perpendicular to the second horizontal direction. The upper end of the pressure head (25) is fixedly connected to the lower adjustment plate (24). The lower end of the pressure head (25) is provided with a pressure relief hole (251), which is adapted to the protrusion (120) of the iron cover (100).

4. The automatic pressing equipment according to claim 3, characterized in that, The pressing device (20) further includes a guide assembly, the guide assembly comprising: Two guide seats (201) are fixedly installed on the frame (90); Two guide posts (202) are provided, and the lower ends of the two guide posts (202) are respectively fixedly installed on the two guide seats (201). Two second linear bearings (203) are provided at both ends of the pressure plate (22) with clearance through holes that run vertically through them. The two second linear bearings (203) are fixed at the lower end of the clearance through holes respectively. The two guide posts (202) are respectively inserted through the second linear bearings (203) and the clearance through holes on the corresponding sides.

5. The automatic pressing equipment according to any one of claims 1-4, characterized in that, The automatic pressing equipment also includes: The first feeding device (40) includes a first vibratory feeder (41), a first feeding channel (42), and a first pusher (43). The first vibratory feeder (41) is used to feed the iron cover (100) to the first feeding channel (42). The first feeding channel (42) is connected to the lifting top plate (11). The first pusher (43) can push the iron cover (100) in the first feeding channel (42) onto the lifting top plate (11); and / or The second feeding device (50) includes a second vibrating plate (51), a second feeding channel (52), and a second pushing member (53). The second vibrating plate (51) is used to feed the square bearing (200) to the second feeding channel (52). The second feeding channel (52) is connected to the lifting top plate (11). The second pushing member (53) can push the square bearing (200) in the second feeding channel (52) onto the lifting top plate (11).

6. The automatic pressing equipment according to any one of claims 1-4, characterized in that, The automatic pressing equipment also includes: The unloading device (60) includes an unloading channel (61), a first unloading drive (62), a second unloading drive (63), a third unloading drive (64), a fourth unloading drive (65), and an unloading fixture (66). The upstream end of the unloading channel (61) is connected to the lifting top plate (11), and the upstream end of the unloading channel (61) is connected to the unloading fixture (66). The unloading fixture (66) is provided with a unloading groove for loading the assembled parts after pressing. The unloading fixture (66) is installed on the fourth unloading channel. The fourth feeding drive (65) is installed on the movable end of the third feeding drive (64). The first feeding drive (62) is used to push the assembly into the feeding channel (61). The second feeding drive (63) is used to push the assembly in the feeding channel (61) to the feeding trough. The third feeding drive (64) is used to drive the fourth feeding drive (65) to move horizontally. The fourth feeding drive (65) is used to drive the feeding trough to rise and fall. The screening device (70) includes a slide plate (71), a screening drive (72), a screening pusher (73), a screening detector (74), and a waste box (75). The slide plate (71) is installed on the feed channel (61). The screening drive (72) and the waste box (75) are respectively installed on opposite sides of the slide plate (71). The screening pusher (73) is installed on the movable end of the screening drive (72). The screening detector (74) is used to detect unqualified assemblies. The screening drive (72) can drive each of the screening pushers (73) to push the unqualified assemblies into the waste box (75).

7. The automatic pressing equipment according to any one of claims 1-4, characterized in that, The automatic pressing equipment further includes a guiding mechanism (80), which includes: Mounting plate (81) is fixedly installed on the feed channel for conveying the iron cover (100) or the press-fitted assembly; A slide cylinder (82) is fixedly installed on the mounting plate (81) in the vertical direction, and the output end of the slide cylinder (82) can extend and retract in the vertical direction; The lifting cover plate (84) is installed on the output end of the slide cylinder (82) via the connecting plate (83). The bottom end of the lifting cover plate (84) is provided with a guide groove (841) that runs through the horizontal direction. The guide groove (841) is adapted to the iron cover (100).

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