A pin press-fitting mechanism for a motor housing

Abstract

The present invention relates to a press-fitting mechanism, specifically a pin press-fitting mechanism for a motor housing, which includes an external bracket, an internal bracket, a first press-fitting mechanism, a second press-fitting mechanism, an air gun, a clamping mechanism and a reverse support mechanism. A three-color lamp is installed at the top of the external bracket, an operation platform and a display platform are installed at the upper end of the external bracket. A processing area is provided inside the external bracket below the operation platform. Four casters are installed at the four corners of the bottom end of the external bracket. An air gun is installed on one side of the outer side of the external bracket close to the clamping mechanism. The present invention realizes the press-fitting of pins at different positions, and can output and save pressure, displacement, press-fitting data, etc. to an industrial control computer, which is convenient for querying press-fitting data later. Only one person is required to operate this equipment, and 543 pieces can be produced per shift, greatly reducing the labor cost.

Description

Technical Field

[0001] The present invention relates to a press-fitting mechanism, and particularly to a pin press-fitting mechanism for a motor housing. Background Art

[0002] For the press-fitting of existing motor housing products, due to a large number of assembly parts (7 pins need to be assembled on the product) and multiple assembly positions, the following problems exist:

[0003] If integrated on one device, the automatic press-fitting mechanism is complex;

[0004] If the parts are decomposed onto two devices, the equipment investment cost is high;

[0005] For a single product, it is necessary to continuously adjust the press-fitting position manually or feed materials manually, resulting in missing assembly, inconvenient operation, low production efficiency, and inability to trace production data.

[0006] Currently, because non-standard equipment has the characteristic of "customization", there is no ready-made equipment that can be directly purchased and used. The equipment manufacturing cycle is long and the repeated utilization rate of the equipment is low. Summary of the Invention

[0007] The purpose of the present invention is to overcome the above deficiencies and provide a pin press-fitting mechanism for a motor housing.

[0008] The purpose of the present invention is achieved through the following technical solutions: A pin press-fitting mechanism for a motor housing includes an external bracket, an internal bracket, a first press-fitting mechanism, a second press-fitting mechanism, an air gun, a clamping mechanism, and a reverse support mechanism. A three-color lamp is installed at the top of the external bracket. An operation platform and a display platform are installed at the upper end of the external bracket. A processing area is provided inside the external bracket below the operation platform. An internal bracket is provided in the processing area. Four casters are installed at the four corners of the bottom end of the external bracket. An air gun is installed on one side of the outer side of the external bracket close to the clamping mechanism. A fourth track is installed at the upper end of the internal bracket. The first press-fitting mechanism passes through the top of the internal bracket and is installed on the fourth track. A first track is installed at the lower end of the internal bracket. The clamping mechanism is installed on the first track. A first fixed bracket is installed on the left side of the first track. Sixth tracks are installed at the upper and lower ends of the first fixed bracket. The second press-fitting mechanism is installed on the sixth track. A second track perpendicular to it is provided on the right side of the first track. A second fixed bracket is installed on the second track. The reverse support mechanism is installed on the second fixed bracket. The clamping mechanism and the reverse support mechanism are both installed with transfer cylinders, which can make the two move back and forth on the first track and the second track respectively. A first feeding mechanism and a second feeding mechanism are installed in the processing area. The discharge port of the first feeding mechanism is connected to the first feeding port of the first press-fitting mechanism through a first air pipe. The discharge port of the second feeding mechanism is connected to the second feeding port of the second press-fitting mechanism through a second air pipe.

[0009] The first press-fitting mechanism is provided with a first press-fitting bracket. At the left and right ends of the front surface of the first press-fitting bracket, third tracks are installed. The first slider is installed on the third tracks. At the upper and lower ends of the back surface of the first press-fitting bracket, they are installed on the fourth tracks. On the front surface of the first slider, a first press head device is provided. The upper and lower ends of the first press head device are connected to the first slider through a pair of first linear bearing guide rods, and they move synchronously. At the edge of the first press head device, a first displacement sensor is fixedly installed. On the back surface of the first slider, a first servo motor is provided. The telescopic rod of the first servo motor passes through the first slider and is connected to the first press head device. And between the telescopic rod of the first servo motor and the first press head device, a first pressure sensor is installed. At the left end of the first slider, a first transfer cylinder is installed, and the telescopic rod of the first transfer cylinder is connected to the first slider. At the lower end of the first slider, a second transfer cylinder is installed, and the telescopic rod of the second transfer cylinder is connected to the first slider. At the top of the first press head device, a first press head is provided. On the back surface of the first press head, a first feeding blocking cylinder is provided.

[0010] The second press-fitting mechanism is provided with a second press-fitting bracket. At the left and right ends of the front surface of the second press-fitting bracket, fifth tracks are installed. The second slider is installed on the fifth tracks. At the upper and lower ends of the back surface of the second press-fitting bracket, they are installed on the sixth tracks. On the front surface of the second slider, a second press head device is provided. The left and right ends of the second press head device are connected to the second slider through a pair of second linear bearing guide rods, and they move synchronously. At the edge of the second press head device, a second displacement sensor is fixedly installed. On the back surface of the second slider, a second servo motor is provided. The telescopic rod of the second servo motor is connected to the second press head device. And between the telescopic rod of the second servo motor and the second press head device, a second pressure sensor is installed. On the right side of the second press-fitting bracket, a third servo motor is installed. The third servo motor is connected to the second slider through a first ball screw. At the top of the first fixed bracket, a fourth servo motor is installed. The fourth servo motor is connected to the second press-fitting bracket through a second ball screw. At the top of the second press head device, a second press head is provided. On the back surface of the second press head, a second feeding blocking cylinder is provided.

[0011] The reverse support mechanism is provided with a mounting plate. The mounting plate is fixedly installed on the second fixed bracket. On the front surface of the mounting plate, a plurality of support head guide sleeves are provided. Inside each support head guide sleeve, a support head is provided. The top of the support head passes through the support head guide sleeve, and the tail end is placed inside the support head guide sleeve. Each support head is equipped with a pneumatic support cylinder. The pneumatic support cylinders are all installed on the back surface of the mounting plate. And the telescopic rods of the pneumatic support cylinders pass through the mounting plate and enter the support head guide sleeves to contact the tail ends of the support heads. At the top of the second fixed bracket, a product barcode reader is installed. At the bottom of the second fixed bracket, a pin cylinder is installed.

[0012] A plurality of safety light curtains are installed on the inner side of the outer bracket located in the processing area.

[0013] The present invention has the following advantages compared with the prior art:

[0014] The present invention realizes the press-fitting of pins at different positions, and can output and save pressure, displacement, press-fitting data, etc. to an industrial control computer, which is convenient for querying press-fitting data later. The reverse support mechanism can prevent the product from being deformed by force, thus affecting the press-fitting size. Only one operator is required to operate this equipment, and 543 pieces can be produced per shift, greatly reducing the labor cost. The present invention can realize the automatic leak detection of workpieces and avoid the phenomena of missing installation and false installation. For workpieces of different sizes and models, only the corresponding clamping mechanism needs to be replaced, and the rest of the standard designs can be continued to be used, increasing the application flexibility of non-standard equipment and saving the equipment manufacturing cost. The product barcode reader can track and collect data of the product by reading the QR code on the workpiece, which is convenient for later quality traceability.

[0015] A plurality of safety light curtains are installed inside the outer bracket located in the processing area. If foreign objects enter the processing area after the equipment is started, the equipment will automatically stop, greatly improving the safety of the operator and the equipment itself. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present invention;

[0017] Figure 2 is a schematic structural diagram of the first press-fitting mechanism in the present invention;

[0018] Figure 3 is a side view of the first press-fitting mechanism in the present invention;

[0019] Figure 4 is a schematic structural diagram of the second press-fitting mechanism in the present invention;

[0020] Figure 5 is a schematic structural diagram of the reverse support mechanism in the present invention;

[0021] Figure 6 is a side view of the reverse support mechanism in the present invention;

[0022] Figure 7 is a schematic structural diagram of the first feeding mechanism in the present invention;

[0023] Figure 8 is a schematic structural diagram of the second feeding mechanism in the present invention;

[0024] Figure 9 is a schematic structural diagram of the processing area in the present invention;

[0025] Reference numerals in the figure: external bracket - 1, internal bracket - 2, first press - fitting mechanism - 3, second press - fitting mechanism - 4, air gun - 5, clamping mechanism - 6, reverse support mechanism - 7, three - color lamp - 8, fourth track - 9, first track - 10, first fixed bracket - 11, sixth track - 12, second track - 13, second fixed bracket - 14, first feeding mechanism - 15, second feeding mechanism - 16, first feeding port - 17, first air pipe - 18, second feeding port - 19, second air pipe 20, first press - fitting bracket - 21, third track - 22, first slider - 23, first linear bearing guide rod - 24, first displacement sensor - 25, first servo motor - 26, first pressure sensor - 27, first transfer cylinder - 28, second transfer cylinder - 29, first punch device - 30, first punch - 31, first feeding blocking cylinder - 32, second press - fitting bracket - 33, fifth track - 34, second slider - 35, second punch device - 36, second linear bearing guide rod - 37, second displacement sensor - 38, second servo motor - 39, second pressure sensor - 40, third servo motor - 41, first ball screw - 42, fourth servo motor - 43, second ball screw - 44, second punch - 45, second feeding blocking cylinder - 46, mounting plate - 47, support head guide sleeve - 48, support head - 49, pneumatic support cylinder - 50, product code reader - 51, pin cylinder - 52, safety grating - 53. Detailed implementation manners

[0026] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Apparently, the described embodiments are some but not all of the embodiments of the present invention. The elements and features described in one implementation manner of the present invention can be combined with the elements and features shown in one or more other implementation manners. It should be noted that, for the sake of clarity, the representation and description of components and processes irrelevant to the present invention and known to those of ordinary skill in the art are omitted. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] A pin press - fitting mechanism for a motor housing includes an external bracket 1, an internal bracket 2, a first press - fitting mechanism 3, a second press - fitting mechanism 4, an air gun 5, a clamping mechanism 6 and a reverse support mechanism 7. A three - color lamp 8 is installed at the top of the external bracket 1. An operation platform and a display platform are installed at the upper end of the external bracket 1, and pressure, displacement, press - fitting data, etc. can be output and saved to an industrial control computer, which is convenient for querying press - fitting data later.

[0028] There is a processing area inside the external support 1 below the operating platform. Inside the processing area, there is an internal support 2. Four casters are installed at the four corners of the bottom end of the external support 1. An air gun is installed on one side of the outer side of the external support 1 close to the clamping mechanism 6. The upper end of the internal support 2 is installed with a fourth track 9. The first pressing mechanism 3 passes through the top end of the internal support 2 and is installed on the fourth track 9. The lower end of the internal support 2 is installed with a first track 10. The clamping mechanism 6 is installed on the first track 10. The left side of the first track 10 is installed with a first fixing bracket 11. The upper and lower ends of the first fixing bracket 11 are installed with a sixth track 12. The second pressing mechanism 4 is installed on the sixth track 12. There is a second track 13 perpendicular to the right side of the first track 10. The second fixing bracket 14 is installed on the second track 13. The reverse support mechanism 7 is installed on the second fixing bracket 14. The clamping mechanism 6 and the reverse support mechanism 7 are both installed with transfer cylinders, which can make the two move back and forth on the first track 10 and the second track 13 respectively. A first feeding mechanism 15 and a second feeding mechanism 16 are installed in the processing area. The discharge port of the first feeding mechanism 15 is connected to the first feeding port 17 of the first pressing mechanism 3 through a first air pipe 18. The discharge port of the second feeding mechanism 16 is connected to the second feeding port 19 of the second pressing mechanism 4 through a second air pipe 20. The operation of the present invention only requires one person to be configured, and more than five hundred pieces can be produced per shift, greatly reducing the labor cost. This equipment can realize the automatic leak detection of workpieces, avoiding the phenomena of missing installation and false installation. For workpieces of different sizes and models, only the corresponding clamping mechanism 6 needs to be replaced, and the rest of the standard designs can be continued to use, increasing the application flexibility of non-standard equipment and saving the equipment manufacturing cost.

[0029] There is a first pressing bracket 21 inside the first pressing mechanism 3. The left and right ends of the front of the first pressing bracket 21 are installed with a third track 22. The first slider 23 is installed on the third track 22. The upper and lower ends of the back of the first pressing bracket 21 are installed on the fourth track 9. The front of the first slider 23 is provided with a first pressing head device 30. The upper and lower ends of the first pressing head device 30 are connected to the first slider 23 through a pair of first linear bearing guide rods 24, and they move synchronously between them. A first displacement sensor 25 is fixedly installed on the edge of the first pressing head device 30. The back of the first slider 23 is provided with a first servo motor 26. The telescopic rod of the first servo motor 26 passes through the first slider 23 and is connected to the first pressing head device 30. A first pressure sensor 27 is installed between the telescopic rod of the first servo motor 26 and the first pressing head device 30. The left end of the first slider 23 is installed with a first transfer cylinder 28, and the telescopic rod of the first transfer cylinder 28 is connected to the first slider 23. The lower end of the first slider 23 is installed with a second transfer cylinder 29, and the telescopic rod of the second transfer cylinder 29 is connected to the first slider 23. The top of the first pressing head device 30 is provided with a first pressing head 31. The back of the first pressing head 31 is provided with a first feeding blocking cylinder 32.

[0030] The second pressing mechanism 4 is provided with a second pressing support 33. At the left and right ends of the front surface of the second pressing support 33, fifth tracks 34 are installed. A second slider 35 is installed on the fifth tracks 34. The upper and lower ends of the back surface of the second pressing support 33 are installed on the sixth tracks 12. A second pressing head device 36 is provided on the front surface of the second slider 35. The left and right ends of the second pressing head device 36 are connected to the second slider 35 through a pair of second linear bearing guide rods 37, and they move synchronously. A second displacement sensor 38 is fixedly installed on the edge of the second pressing head device 36. A second servo motor 39 is provided on the back surface of the second slider 35. The telescopic rod of the second servo motor 39 is connected to the second pressing head device 36, and a second pressure sensor 40 is installed between the telescopic rod of the second servo motor 39 and the second pressing head device 36. A third servo motor 41 is installed on the right side of the second pressing support 33. The third servo motor 41 is connected to the second slider 35 through a first ball screw 42. A fourth servo motor 43 is installed at the top of the first fixed support 11. The fourth servo motor 43 is connected to the second pressing support 33 through a second ball screw 44. A second pressing head 45 is provided at the top of the second pressing head device 36. A second feeding blocking cylinder 46 is provided on the back surface of the second pressing head 45.

[0031] The reverse support mechanism 7 is provided with a mounting plate 47. The mounting plate 47 is fixedly installed on the second fixed support 14. A plurality of support head guide sleeves 48 are provided on the front surface of the mounting plate 47. A support head 49 is provided in each support head guide sleeve 48. The top end of the support head 49 passes through the support head guide sleeve 48, and the tail end is placed inside the support head guide sleeve 48. Each support head 49 is equipped with a pneumatic support cylinder 50. The pneumatic support cylinders 50 are all installed on the back surface of the mounting plate 47, and the telescopic rods of the pneumatic support cylinders 50 pass through the mounting plate 47 and enter the support head guide sleeve 48 to contact the tail end of the support head 49. A product code reader 51 is installed at the top of the second fixed support 14. A pin cylinder 52 is installed at the bottom of the second fixed support 14. The reverse support mechanism 7 can prevent the product from being deformed by force, thus affecting the pressing size. The product code reader 51 can track and collect data for the product by reading the two-dimensional code on the workpiece, which is convenient for later quality traceability.

[0032] A plurality of safety light curtains 53 are installed on the inner side of the outer support 1 located in the processing area. If foreign objects enter the processing area after the equipment is started, the equipment will automatically stop, greatly improving the safety of the operator and the equipment itself.

[0033] Working principle:

[0034] The operator places the product on the clamping mechanism 6. After clamping the workpiece, the start button can be pressed. The equipment automatically reads the product QR code. The product moves with the clamping mechanism 6 to the position below the first press-fitting mechanism 3. The reverse support mechanism 7 moves towards the position where the product is located and completes the reverse support work. The first feeding mechanism 15 automatically feeds the fittings to the first punch 31 at the top. The first feeding blocking cylinder 32 ensures that only one fitting enters the first punch 31 each time. The first transfer cylinder 28, the second transfer cylinder 29, and the first servo motor 26 drive the first punch 31 to make rapid and precise movements in the x, y, and z directions. The first pressure sensor 27 and the first displacement sensor 25 can output the press-fitting data simultaneously. The equipment automatically completes the press-fitting of two pins at the top. The second feeding mechanism 16 automatically feeds the fittings to the second punch 45 on the side. The second feeding blocking cylinder 46 ensures that only one fitting enters the second punch 45 each time. The second servo motor 39, the third servo motor 41, and the fourth servo motor 43 drive the second punch 45 to make rapid and precise movements in the x, y, and z directions. The second pressure sensor 40 and the second displacement sensor 38 can output the press-fitting data simultaneously. The equipment automatically completes the press-fitting of five pins on the side. The reverse support mechanism 7 leaves the product, and the reverse support is released. The product moves with the clamping mechanism 6 to the starting feeding position, and the operator takes out the product. For unqualified products, the equipment automatically alarms, and the assembly information is saved in the information system in one-to-one correspondence with the QR code.

[0035] Finally, it should be noted that although the present invention and its advantages have been described in detail above, it should be understood that various changes, substitutions, and transformations can be made without exceeding the spirit and scope of the present invention as defined by the appended claims. Moreover, the scope of the present invention is not limited to the specific embodiments of the processes, equipment, means, methods, and steps described in the specification. Those of ordinary skill in the art will readily understand from the disclosure of the present invention that processes, equipment, means, methods, or steps that can perform substantially the same functions or achieve substantially the same results as the corresponding embodiments described herein, existing and to be developed in the future, can be used according to the present invention. Therefore, the appended claims are intended to include such processes, equipment, means, methods, or steps within their scope.

Claims

1. A pin press-fitting mechanism for a motor housing, comprising an external bracket (1), an internal bracket (2), a first press-fitting mechanism (3), a second press-fitting mechanism (4), an air gun (5), a clamping mechanism (6) and a reverse support mechanism (7). A three-color lamp (8) is installed at the top of the external bracket (1). An operation platform and a display platform are installed at the upper end of the external bracket (1). An internal bracket (2) is provided inside the external bracket (1) below the operation platform. Four casters are installed at the four corners of the bottom end of the external bracket (1). The air gun (5) is installed on one side of the outer side of the external bracket (1) close to the clamping mechanism (6). It is characterized in that: A fourth track (9) is installed at the upper end of the internal bracket (2). The first press-fitting mechanism (3) passes through the top end of the internal bracket (2) and is installed on the fourth track (9). A first track (10) is installed at the lower end of the internal bracket (2). The clamping mechanism (6) is installed on the first track (10). A first fixed bracket (11) is installed on the left side of the first track (10). Sixth tracks (12) are installed at the upper and lower ends of the first fixed bracket (11). The second press-fitting mechanism (4) is installed on the sixth tracks (12). A second track (13) perpendicular to it is provided on the right side of the first track (10). A second fixed bracket (14) is installed on the second track (13). The reverse support mechanism (7) is installed on the second fixed bracket (14). An installation plate (47) is provided inside the reverse support mechanism (7). The installation plate (47) is fixedly installed on the second fixed bracket (14). A plurality of support head guide sleeves (48) are provided on the front surface of the installation plate (47). A support head (49) is provided in each support head guide sleeve (48). The top end of the support head (49) passes through the support head guide sleeve (48), and the tail end is placed inside the support head guide sleeve (48). Each support head (49) is equipped with a pneumatic support cylinder (50). The pneumatic support cylinders (50) are all installed on the back surface of the installation plate (47), and the telescopic rods of the pneumatic support cylinders (50) pass through the installation plate (47) and enter the support head guide sleeve (48) to contact the tail end of the support head (49). A product code reader (51) is installed at the top end of the second fixed bracket (14). A pin cylinder (52) is installed at the bottom end of the second fixed bracket (14). The clamping mechanism (6) and the reverse support mechanism (7) are both installed with transfer cylinders, which can make the two move back and forth on the first track (10) and the second track (13) respectively. A first feeding mechanism (15) and a second feeding mechanism (16) are installed in the processing area. A first air pipe (18) is connected between the discharge port of the first feeding mechanism (15) and the first feeding port (17) of the first press-fitting mechanism (3). A second air pipe (20) is connected between the discharge port of the second feeding mechanism (16) and the second feeding port (19) of the second press-fitting mechanism (4). A plurality of safety light grids (53) are installed on the inner side of the external bracket (1) located in the processing area.

2. The pin press-fitting mechanism for a motor housing according to claim 1, It is characterized in that: The first pressing mechanism (3) is provided with a first pressing bracket (21). At the left and right ends of the front surface of the first pressing bracket (21), third tracks (22) are installed. A first slider (23) is installed on the third tracks (22). The upper and lower ends of the back surface of the first pressing bracket (21) are installed on the fourth tracks (9). A first pressing head device (30) is provided on the front surface of the first slider (23). The upper and lower ends of the first pressing head device (30) are connected to the first slider (23) through a pair of first linear bearing guide rods (24), and they move synchronously. A first displacement sensor (25) is fixedly installed on the edge of the first pressing head device (30). A first servo motor (26) is provided on the back surface of the first slider (23). The telescopic rod of the first servo motor (26) passes through the first slider (23) and is connected to the first pressing head device (30), and a first pressure sensor (27) is installed between the telescopic rod of the first servo motor (26) and the first pressing head device (30). A first transfer cylinder (28) is installed at the left end of the first slider (23), and the telescopic rod of the first transfer cylinder (28) is connected to the first slider (23). A second transfer cylinder (29) is installed at the lower end of the first slider (23), and the telescopic rod of the second transfer cylinder (29) is connected to the first slider (23). A first pressing head (31) is provided at the top of the first pressing head device (30). A first feeding blocking cylinder (32) is provided on the back surface of the first pressing head (31).

3. The pin pressing mechanism for a motor housing according to claim 1, characterized in that: The second pressing mechanism (4) is provided with a second pressing bracket (33). At the left and right ends of the front surface of the second pressing bracket (33), fifth tracks (34) are installed. A second slider (35) is installed on the fifth tracks (34). The upper and lower ends of the back surface of the second pressing bracket (33) are installed on the sixth tracks (12). A second pressing head device (36) is provided on the front surface of the second slider (35). The left and right ends of the second pressing head device (36) are connected to the second slider (35) through a pair of second linear bearing guide rods (37), and they move synchronously. A second displacement sensor (38) is fixedly installed on the edge of the second pressing head device (36). A second servo motor (39) is provided on the back surface of the second slider (35). The telescopic rod of the second servo motor (39) is connected to the second pressing head device (36), and a second pressure sensor (40) is installed between the telescopic rod of the second servo motor (39) and the second pressing head device (36). A third servo motor (41) is installed on the right side of the second pressing bracket (33). The third servo motor (41) is connected to the second slider (35) through a first ball screw (42). A fourth servo motor (43) is installed at the top of the first fixed bracket (11). The fourth servo motor (43) is connected to the second pressing bracket (33) through a second ball screw (44). A second pressing head (45) is provided at the top of the second pressing head device (36). A second feeding blocking cylinder (46) is provided on the back surface of the second pressing head (45).

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