An assembling device for reducer production

Abstract

The present application belongs to the technical field of speed reducer assembly, especially to a kind of assembly device for speed reducer production, the following scheme is presented, including the shell and gear to be assembled, the gear is provided with a perforation, further including lifting plate with gear descending, the lifting plate is rotatably connected with mounting bracket below, mounting bracket can be deflected around vertical shaft, two roller columns corresponding with the perforation are fixed on the mounting bracket, the roller column is provided with telescopic limiting structure, the gear is fixed by limiting when limiting structure extends, gear can be normally assembled when limiting structure retracts, annular groove is opened in the outer wall of roller column, and air bag of arc structure is fixed on both sides of annular groove.The gear is circumferentially deflected and left and right movable in the process of assembling and placing gear, can effectively simulate hand holding activity to make gear and shell meshing assembly, so as to effectively improve the assembly efficiency of speed reducer and improve the quality of finished product after assembly.

Description

Technical Field

[0001] This invention relates to the field of speed reducer assembly technology, and in particular to an assembly device for speed reducer production. Background Technology

[0002] During the production process of a speed reducer, a gear set structure is installed inside the housing to form the overall speed reducer.

[0003] Chinese patent CN118635848B discloses an assembly device for producing a speed reducer, including a base plate. A main housing and a mounting beam are welded to the top of the base plate. A first rotating rod is rotatably connected to the outer peripheral wall of the main housing. A second rotating rod is rotatably connected to the inner cavity of the main housing. A worm gear and a turntable are welded to the outer peripheral wall of the second rotating rod, and the worm gear meshes with the first rotating rod. The top of the turntable has several curved grooves, which are circumferentially distributed at equal intervals on the top of the turntable.

[0004] Compared to traditional manual installation, existing technologies are gradually replacing manual labor with machinery. However, when installing large-diameter gears that mesh with the inner wall of the housing, it is difficult to ensure that the teeth mesh perfectly during gear assembly. Misalignment between the gears and the tooth grooves on the inner wall of the housing can easily lead to difficulty in fitting and installing. Summary of the Invention

[0005] Based on the technical problems in the background art, the present invention proposes an assembly device for the production of speed reducers.

[0006] This invention proposes an assembly device for producing a speed reducer, comprising a housing to be assembled and a gear, the gear having pre-drilled holes, and a lifting plate that lowers the gear. A mounting frame is rotatably connected below the lifting plate and can deflect around a vertical axis. Two rollers corresponding to the holes are fixed on the mounting frame, and the rollers are provided with retractable limiting structures. When the limiting structures extend, they limit and fix the gear; when they retract, they allow the gear to fall and be assembled normally. An annular groove is formed on the outer wall of the rollers, and arc-shaped air bladders are fixed on both sides of the annular groove, allowing the air bladders on both sides of the rollers to alternately inflate and deflate.

[0007] Preferably, the annular groove has a through hole in the middle that opens towards both ends, the limiting structure is provided with a limiting block that slides with the inner wall of the through hole, a fixing sleeve is installed on the outer wall of the roller at the position corresponding to the through hole, and a spring is connected between the limiting block and the fixing sleeve.

[0008] Preferably, an electromagnetic block is installed inside the fixing sleeve. When the electromagnetic block is energized, it magnetically attracts the limiting block. The airbag has a notch at the position corresponding to the through hole.

[0009] Preferably, the top of the mounting frame is fixed with connecting blocks on both sides of the lifting plate, and the outer wall of the lifting plate is fixed with fixing seats at both ends of the connecting blocks. Electromagnetic blocks are installed on the fixing seats, and the electromagnetic blocks are magnetically attracted to the connecting blocks after being energized.

[0010] Preferably, the connecting block has a connecting hole with openings at both ends in the middle, a connecting rod extending toward the connecting hole is fixed on the fixing seat, and a spring is connected between the end of the connecting block and the fixing seat.

[0011] Preferably, the mounting bracket is equipped with multiple pressing components, which apply downward force to the gear.

[0012] Preferably, four pressing components are provided, which are distributed at the four corners of the lifting plate. The pressing components are inclined towards the end face, and the inclination directions of two adjacent pressing components are opposite. The four pressing components apply force at intervals.

[0013] Preferably, the pressing component is provided with an extension box, a piston is slidably connected inside the extension box, a moving rod is fixed to the bottom end of the piston, and a pressure block located below the extension box is fixed to the bottom end of the moving rod. The pressure block is made of silicone material.

[0014] Preferably, the top of the extension box is sealed, and a vent pipe is connected to the top of the extension box.

[0015] Preferably, a pressure sensor is installed above the piston inside the extension box, and a fixed flow rate of gas is injected and extracted at intervals inside the extension box above the piston via a vent pipe.

[0016] The beneficial effects of this invention are as follows: 1. In this invention, during the assembly and placement of gears, the gears are allowed to rotate circumferentially and move left and right, which can effectively simulate the action of human hand support to make the gears mesh with the housing; this avoids the need for multiple alignments in advance, which affects the automatic efficiency of the machine, and avoids damage caused by misalignment when directly and hard pressing down, thereby effectively improving the assembly efficiency of the reducer and the quality of the finished product after assembly.

[0017] 2. In this invention, by applying force through the inclined pressing component, a downward and horizontal force can be generated on the gear simultaneously. By alternating the application of force through pressing components with opposite inclinations at adjacent positions, the gear's active state is lowered to ensure the effectiveness and speed of gear assembly in the meshing state. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall pre-assembly structure of an assembly device for speed reducer production proposed in this invention; Figure 2This is a schematic diagram of the overall assembly process of an assembly device for speed reducer production proposed in this invention; Figure 3 This is a schematic diagram of the gear and roller distribution structure of an assembly device for producing a speed reducer, as proposed in this invention. Figure 4 This is a schematic diagram of the mounting frame position structure of an assembly device for speed reducer production proposed in this invention; Figure 5 This is a schematic diagram of the roller structure of an assembly device for producing a speed reducer, as proposed in this invention. Figure 6 This is a schematic diagram of the position structure of the limiting block of an assembly device for producing a speed reducer, as proposed in this invention. Figure 7 This is a schematic diagram of the lifting plate position structure of an assembly device for speed reducer production proposed in this invention; Figure 8 This is a schematic diagram of the pressing component structure of an assembly device for producing a speed reducer, as proposed in this invention. Figure 9 This is a schematic diagram of the internal structure of the extension box of an assembly device for producing a speed reducer, as proposed in this invention.

[0019] In the diagram: 1. Housing, 2. Gear, 201. Perforation, 3. Lifting plate, 301. Lifting frame, 4. Mounting frame, 401. Mounting plate, 5. Roller, 501. Annular groove, 6. Pressing assembly, 7. Airbag, 701. Notch, 8. Air pipe, 9. Fixing sleeve, 10. Limiting block, 11. Spring 1, 12. Electromagnetic block 1, 13. Connecting block, 131. Connecting hole, 14. Fixing seat, 15. Connecting rod, 16. Spring 2, 17. Electromagnetic block 2, 18. Extension box, 19. Piston, 20. Moving rod, 21. Pressing block, 22. Air pipe. Detailed Implementation

[0020] Example 1: Refer to Figures 1-7An assembly device for producing a speed reducer includes a housing 1 to be assembled and a gear 2. The gear 2 has a pre-set through hole 201. It should be noted that this application mainly targets a rotatable housing 1 with an internal annular toothed groove structure, assembling the gear 2 by meshing its outer diameter with the interior of the housing 1. The device also includes a lifting plate 3 that lowers the gear 2. It should be noted that a lifting frame 301 is fixed to the top of the lifting plate 3, and a lifting mechanism, such as an electric push rod or a robotic arm, is connected to the top of the lifting frame 301. A mounting frame 4 is rotatably connected below the lifting plate 3 and can deflect around a vertical axis. It should be noted that a vertical shaft is fixed at the middle position of the top of the mounting frame 4, and a vertical hole is opened at the middle position of the lifting plate 3. The outer wall of the vertical shaft and the inner wall of the vertical hole slide in contact. A horizontal block is fixed at the top of the vertical shaft above the lifting plate 3, and the cross-section of the horizontal block is larger than the cross-section of the vertical hole. Two rollers corresponding to the through holes 201 are fixed on the mounting frame 4. 5. The roller 5 is equipped with a retractable limiting structure. When the limiting structure extends, it limits and fixes the gear 2. When the limiting structure retracts, it allows the gear 2 to fall and assemble normally. The outer wall of the roller 5 has an annular groove 501. Both sides of the annular groove 501 are fixed with arc-shaped airbags 7. It should be noted that the top of the airbag 7 is connected to an air pipe 8, which extends upward from the roller and passes through it. The air pipe 8 is connected to an air pump through a hose. The inner side of the airbag 7 is fixed to the inner wall of the annular groove 501, so that the arc-shaped airbag 7 expands outward when inflated. During the assembly preparation process, the housing 1 is fixed in the corresponding fixed position. The through hole 201 of the gear 2 to be assembled is inserted into the roller 5 and fixed by the limiting structure. Then, the gear 2 is lowered and assembled directly above the housing 1 by moving and lifting machines. Due to the uncertainty of the installation of the housing 1 and the gear 2, as well as the difference in the precision of the tooth groove, the gear 2 may not be able to directly mesh with the housing 1 when it falls directly. Therefore, during the assembly process, when the gear 2 is placed on the housing 1, the bottom end of the roller 5 first abuts against the inner wall of the bottom of the housing 1. The airbags 7 are inflated and fit against the inner wall of the perforation 201. Then, the limiting structure contracts, causing the gear 2 to fall under its own weight. If the gear 2 directly meshes with the housing 1, it can fall completely. If the gear 2 does not mesh properly, it will stick to the top of the housing 1. At this time, the mounting bracket 4 is allowed to rotate the gear 2 back and forth slightly around the vertical axis so that the gear 2 can be in a meshing position with the inner wall of the housing 1 at a certain position. At the same time, the airbags 7 on both sides of the roller 5 alternately inflate and deflate: that is, the two rollers When the left airbag 7 of column 5 is deflated, the right airbag 7 of both rollers 5 is inflated, causing gear 2 to move a short distance to the right. Then, the left airbag 7 of both rollers 5 inflates and the right airbag 7 deflates, causing gear 2 to move a short distance to the left. Thus, during the assembly and placement of gear 2, gear 2 rotates circumferentially and moves left and right, effectively simulating the action of a human hand to help gear 2 mesh with the housing 1. This avoids the need for multiple alignments beforehand, which would affect the automatic efficiency of the machine, and avoids damage caused by misalignment when directly and forcefully pressing down upon entry. This effectively improves the assembly efficiency of the reducer and the quality of the finished product after assembly.

[0021] In this invention, the annular groove 501 has a through hole in the middle that opens towards both ends. The limiting structure is provided with a limiting block 10 that slides and connects with the inner wall of the through hole. A fixing sleeve 9 is installed on the outer wall of the roller 5 at a position corresponding to the through hole. The fixing sleeve 9 is located at the end of the through hole away from the limiting block 10. A spring 11 connects the limiting block 10 and the fixing sleeve 9. An electromagnetic block 12 is installed inside the fixing sleeve 9. When the electromagnetic block 12 is energized, it magnetically attracts the limiting block 10. The airbag 7 has a notch at a position corresponding to the through hole. The notch 701 between two adjacent airbags 7 overlaps, allowing the limiting block 10 to extend and retract. In the normal state, the limiting block 10 extends while part of it remains inside the through hole, so that the horizontally extended limiting block 10 fits against the bottom of the gear 2 to support the gear 2. When the gear 2 is placed in position for assembly, the electromagnetic block 12 is energized to magnetically absorb and retract the limiting block 10 into the through hole, allowing the gear 2 to move downward along the outer wall of the roller 5 and the outer wall of the airbag 7 for assembly.

[0022] In this invention, connecting blocks 13 are fixed on both sides of the top of the mounting frame 4 at the lifting plate 3. Fixing seats 14 are installed on both ends of the connecting blocks 13 on the outer wall of the lifting plate 3. Electromagnetic blocks 17 are installed on the fixing seats 14. When energized, the electromagnetic blocks 17 magnetically attract the connecting blocks 13. A connecting hole 131 with openings at both ends is opened in the middle of the connecting block 13. A connecting rod 15 extending towards the connecting hole 131 is fixed on the fixing seat 14. The connecting rod 15 has an arc-shaped structure. The top and bottom outer walls of the connecting rod 15 slide in contact with the top and bottom inner walls of the connecting hole 131. A spring is connected between the end of the connecting block 13 and the fixing seat 14. During assembly, the second spring 16 alternately energizes the second electromagnetic blocks 17 at both ends of the same connecting block 13 to actively apply force, causing the connecting block 13 to reciprocate with the mounting bracket 4. After the second electromagnetic block 17 is energized and magnetically attracted to the connecting block 13, causing the connecting block 13 to rotate towards one end, the energization of the second electromagnetic block 17 is disconnected. This allows the connecting block 13 to naturally reciprocate with the gear 2 under the action of the second spring 16. In conjunction with the airbag 7 structure, the gear 2 moves left and right, thereby improving the effectiveness of meshing assembly and reducing wear on the housing 1 and the gear 2. This further improves assembly efficiency and the quality of the assembled product.

[0023] Example 2: Refer to Figures 1-9 An assembly device for producing a speed reducer, based on embodiment 1, has multiple pressing components 6 installed on the mounting frame 4. The pressing components 6 apply downward force to the gear 2 outside the roller 5, so that after the lifting plate 3 lowers the roller 5 into position, the pressing components 6 assist the gear 2 to detach from the roller 5 for assembly.

[0024] In this invention, four pressing components 6 are provided, distributed at the four corners of the lifting plate 3. A mounting plate 401 is provided at the position corresponding to the pressing components 6 on the mounting frame 4. The mounting plate 401 extends horizontally outward, and a mounting groove is provided on the mounting plate 401 at the position corresponding to the pressing components 6. The pressing components 6 are inclined towards their end faces, and the inclination directions of adjacent pressing components 6 are opposite. That is, the bottom end of one pressing component 6 is inclined towards one end, and the bottom ends of the two adjacent pressing components 6 are inclined towards the other end. The four pressing components 6 apply force at intervals. By applying force through the inclined pressing components 6, both downward and horizontal forces can be generated on the gear 2 simultaneously. The alternating application of force by the pressing components 6 with opposite inclination directions at adjacent positions lowers the gear 2's moving state, ensuring the effectiveness and speed of gear 2 assembly in the meshing state.

[0025] In this invention, the pressing assembly 6 is provided with an extension box 18, and a piston 19 is slidably connected inside the extension box 18. A moving rod 20 is fixed to the bottom end of the piston 19, and the moving rod 20 extends to the bottom of the extension box 18. A pressure block 21 located below the extension box 18 is fixed to the bottom end of the moving rod 20. The pressure block 21 is made of silicone material. The top of the extension box 18 is sealed, and a vent pipe 22 is connected to the top of the extension box 18. The piston 19 is connected to the outside. Gas is blown into the piston 19, which will cause the piston 19, along with the moving rod 20 and the pressure block 21, to exert downward force. Air is drawn out from the piston 19, which will cause the piston 19, along with the moving rod 20 and the pressure block 21, to return to its original position. This applies pressure to the gear 2 to assist in the descent assembly of the gear 2, and compared with the direct mechanical push rod, it can avoid damage caused by compression.

[0026] In this invention, a pressure sensor is installed above the piston 19 inside the extension box 18. A fixed flow rate of gas is injected and extracted intermittently through the vent pipe 22 inside the extension box 18 above the piston 19. Without the gear 2 obstructing the flow, the injected gas causes the piston 19 to move downwards a fixed distance. When the gear 2 is not engaged, it restricts the pressure block 21 and the piston 19, thus increasing the air pressure above the piston 19 after the gas is injected. When the gear 2 is engaged, the pressure block 21 pushes the gear 2 downwards for assembly, and the air pressure above the piston 19 remains within a preset range. Therefore, the completion of assembly can be determined by the data detected by the pressure sensor, allowing for timely adjustments to the next stage of assembly and further improving overall work efficiency.

[0027] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. An assembly device for producing a speed reducer, comprising a housing (1) to be assembled and a gear (2), wherein the gear (2) has a pre-set through hole (201), and further comprising a lifting plate (3) that lowers the gear (2), characterized in that, The lifting plate (3) is rotatably connected to a mounting frame (4). The mounting frame (4) can deflect around a vertical axis. Two rollers (5) corresponding to the perforations (201) are fixed on the mounting frame (4). The rollers (5) are provided with telescopic limiting structures. When the limiting structures extend, they limit and fix the gear (2). When the limiting structures retract, they allow the gear (2) to fall down for assembly. The outer wall of the rollers (5) is provided with an annular groove (501). Arc-shaped airbags (7) are fixed on both sides of the annular groove (501). At the same time, the airbags (7) on both sides of the rollers (5) alternately inflate and exhaust air. During the assembly preparation process, the housing (1) is fixed at the corresponding fixed position. The perforations (201) of the gear (2) to be assembled are inserted into the rollers (5) and fixed by the limiting structures. Then, the gear is moved by the moving machine and the lifting machine. (2) The gear (2) is lowered and assembled directly above the housing (1). When the gear (2) is placed on the housing (1), the limiting structure is contracted so that the gear (2) is lowered under its own weight. The mounting bracket (4) carries the gear (2) and rotates back and forth slightly around the vertical axis so that the gear (2) can be in the meshing position with the inner wall of the housing (1) at a certain position. At the same time, the air bladders (7) on both sides of the roller (5) alternately inflate and exhaust air: that is, when the left air bladders (7) of both rollers (5) exhaust air, the right air bladders (7) of both rollers (5) inflate air, so that the gear (2) moves a short distance to the right. Then the left air bladders (7) of both rollers (5) inflate air and the right air bladders (7) exhaust air, so that the gear (2) moves a short distance to the left. Thus, during the assembly and placement of the gear (2), the gear (2) rotates in a circle and moves left and right. The top of the mounting bracket (4) is fixed with connecting blocks (13) on both sides of the lifting plate (3). The outer wall of the lifting plate (3) is fixed with a base (14) at both ends of the connecting block (13). An electromagnetic block (17) is installed on the base (14). When the electromagnetic block (17) is energized, it magnetically attracts the connecting block (13). The connecting block (13) has a connecting hole (131) with openings at both ends in the middle. A connecting rod (15) extending towards the connecting hole (131) is fixed on the base (14). A spring (16) is connected between the end of the connecting block (13) and the base (14).

2. The assembly device for producing a speed reducer according to claim 1, characterized in that, The annular groove (501) has a through hole in the middle that opens towards both ends. The limiting structure is provided with a limiting block (10) that slides with the inner wall of the through hole. A fixing sleeve (9) is installed on the outer wall of the roller (5) at the position corresponding to the through hole. A spring (11) is connected between the limiting block (10) and the fixing sleeve (9).

3. The assembly device for producing a speed reducer according to claim 2, characterized in that, An electromagnetic block (12) is installed inside the fixed sleeve (9). When the electromagnetic block (12) is energized, it magnetically attracts the limiting block (10). A notch (701) is opened at the position corresponding to the through hole of the airbag (7).

4. An assembly device for producing a speed reducer according to any one of claims 1 to 3, characterized in that, Multiple pressing components (6) are installed on the mounting bracket (4), and the pressing components (6) apply downward force to the gear (2).

5. The assembly device for producing a speed reducer according to claim 4, characterized in that, The pressing component (6) is provided in four parts. The four pressing components (6) are distributed at the four corners of the lifting plate (3). The pressing components (6) are inclined towards the end face, and the inclination directions of two adjacent pressing components (6) are opposite. The four pressing components (6) alternately perform force operation at intervals.

6. The assembly device for producing a speed reducer according to claim 5, characterized in that, The pressing component (6) is provided with an extension box (18), and a piston (19) is slidably connected inside the extension box (18). A moving rod (20) is fixed at the bottom end of the piston (19), and a pressure block (21) located below the extension box (18) is fixed at the bottom end of the moving rod (20). The pressure block (21) is made of silicone material.

7. The assembly device for producing a speed reducer according to claim 6, characterized in that, The top of the extension box (18) is sealed, and the top of the extension box (18) is connected to a vent pipe (22).

8. The assembly device for producing a speed reducer according to claim 7, characterized in that, A pressure sensor is installed in the extension box (18) above the piston (19). A fixed flow rate of gas is injected and extracted at intervals in the extension box (18) above the piston (19) using a vent pipe (22).

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