Motor and reduction gearbox assembly auxiliary device

Abstract

The purpose of the present invention is to provide a motor and reduction box assembly auxiliary device that can ensure the coaxiality of the motor output end and the reduction box input end, and can achieve screw hole alignment to facilitate screwing and assembly. To achieve the above purpose, the present invention adopts the following technical scheme: a motor and reduction box assembly auxiliary device, including a base plate, a driving cylinder is provided on the left side of the base plate, the driving cylinder has an output end extending to the right, the right side of the base plate has a vertical plate extending upward, a support seat is rotatably fixed on the vertical plate, the support seat has a support yield groove opening to the left, a pressure block assembly is fixed on the output end of the driving cylinder, the pressure block assembly includes a pressure block, the pressure block is formed with a matching groove running through the left and right, a connecting column is rotatably fixed in the matching groove, the left end of the connecting column is fixed to the output end of the driving cylinder, and the connecting column is coaxially arranged with the support seat.

Description

Technical Field

[0001] The invention relates to a screw-tightening assembly auxiliary device, in particular to a motor and reduction box assembly auxiliary device. Background Art

[0002] Some motors need to be connected and fixed to the reducer by screws. The front end of the motor and the rear end of the reducer are provided with screw holes that match each other. The axis of the screw hole is perpendicular to the axis of the motor. When assembling the reducer and the motor, the front end of the motor is inserted into the rear end of the reducer, and then the motor and the reducer are axially pressed to align the screw holes of the motor with the screw holes of the reducer. The pressing between the motor and the reducer is not only used to align the screw holes, but also to make the front end face of the motor fit the axial groove wall of the receiving groove at the rear end of the reducer, so that the output end of the motor is coaxial with the input end of the reducer, to ensure the linkage effect and avoid noise increase. Summary of the invention

[0003] The purpose of the present invention is to provide a motor and reduction box assembly auxiliary device which can ensure the coaxiality of the motor output end and the reduction box input end and can realize screw hole alignment for easy screwing and assembly.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an auxiliary device for assembling a motor and a reduction gearbox, comprising a base plate, a driving cylinder is provided on the left side of the base plate, the driving cylinder has an output end extending to the right, a vertical plate extending upward is provided on the right side of the base plate, a support seat is rotatably fixed on the vertical plate, the support seat has a support yield groove opening to the left, a pressure block assembly is fixed on the output end of the driving cylinder, the pressure block assembly includes a pressure block, the pressure block is formed with a matching groove penetrating left and right, a connecting column is rotatably fixed in the matching groove, the left end of the connecting column is fixed to the output end of the driving cylinder, and the connecting column is coaxially arranged with the support seat.

[0005] When using the device of the present invention, the motor and the reducer are preassembled first, that is, the axial matching stop of the motor and the reducer is matched first, and then the motor and the reducer are placed between the support seat and the output end of the driving cylinder, and the motor end or the reducer end is placed on the support clearance groove of the support seat, and the left end face of the support clearance groove or the left end face of the support seat is in contact with the axial surface of the motor or the axial surface of the reducer or the axial surface of the output end component of the reducer, and then the driving cylinder is started to clamp the motor and the reducer between the output end of the driving cylinder and the support seat to achieve axial compression, coaxial setting, and screw hole alignment of the motor and the reducer, and then the worker tightens the screws, and after tightening one screw, the motor and the reducer are rotated, and then the next screw is tightened, and the above actions are repeated to achieve the tightening of the screws, and finally the driving cylinder is reset and the reduction motor is taken out. Among them, the support clearance groove structure of the support seat and the pressure block structure can be set according to the structure of the motor end and the reducer end. The device of the invention has the advantages of ensuring the coaxiality of the motor output end and the reduction box input end and realizing screw hole alignment to facilitate assembly of the motor and the reduction box.

[0006] Preferably, the support seat is rotatably fixed to the vertical plate through a first bearing assembly, the connecting column is rotatably fixed to the pressing block through a second bearing assembly, and the first bearing assembly and the second bearing assembly both include thrust bearings. The thrust bearing is used to withstand a certain axial force to facilitate the self-rotation of the motor and the reduction box while ensuring that the motor and the reduction box are axially pressed.

[0007] Preferably, the thrust bearing includes a first thrust bearing, a first fixed groove opening to the left is formed on the vertical plate, the support seat is provided with a first fixed shaft extending to the right, the vertical plate is formed with a first through groove penetrating from left to right for the first fixed shaft to pass through, the vertical plate is formed with a second fixed groove, a first ball bearing is fixed in the second fixed groove, the first fixed shaft includes a thin section and a thick section, the thin section of the first fixed shaft extends into the first through groove and is fixed to the first thrust bearing and the first ball bearing in sequence, and the right end face of the thick section of the first fixed shaft is in contact with the left end face of the first thrust bearing.

[0008] Preferably, the second fixing groove penetrates the vertical plate to the right, a retaining ring is provided on the right end of the thin section, and the first ball bearing is confined between the axial groove wall of the second fixing groove and the retaining ring.

[0009] Preferably, a positioning seat is provided on the bottom plate, and a V-shaped groove or U-shaped groove is formed on the positioning seat, which passes through the left and right sides and opens upward, and the motor and the reduction box are supported in the V-shaped groove or U-shaped groove.

[0010] Preferably, the thrust bearing includes a second thrust bearing and a third thrust bearing, the pressure block includes a pressure block fixing block and a pressure block body, the pressure block fixing block is formed with a second through groove running through left and right, and the two ends of the pressure block fixing block are respectively provided with a third fixing groove opening to the left and a fourth fixing groove opening to the right, the second thrust bearing and the second ball bearing are fixed in the third fixing groove, the third thrust bearing and the third ball bearing are fixed in the fourth fixing groove, the connecting column extends to the right into the second through groove and is fixed to the second thrust bearing, the second ball bearing, the third ball bearing, and the third thrust bearing in sequence, the pressure block body is fixed to the right side of the pressure block fixing block and contacts with the third thrust bearing, and the left end face of the second thrust bearing contacts with the output end of the driving cylinder or the connecting column.

[0011] Preferably, a fixing block is fixed to the right end of the connecting column, and a left end surface of the fixing block is in contact with a right end surface of the third thrust bearing.

[0012] The device of the invention has the advantages of ensuring the coaxiality of the motor output end and the reduction box input end and realizing screw hole alignment to facilitate assembly of the motor and the reduction box. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A structural schematic diagram of the present invention;

[0014] Figure 2 A schematic structural diagram of a briquette assembly of the present invention;

[0015] Figure 3 It is a structural schematic diagram of the support block of the present invention. DETAILED DESCRIPTION

[0016] The present invention will be further described below based on the accompanying drawings and specific embodiments.

[0017] Depend on Figures 1 to 3 As shown, a motor and reduction box assembly auxiliary device of the present invention comprises a base plate 1, a driving cylinder 2 is arranged on the left side of the base plate 1, the driving cylinder 2 has an output end 21 extending to the right, a vertical plate 11 extending upward is arranged on the right side of the base plate 1, a support seat 3 is rotatably fixed on the vertical plate 11, the support seat 3 has a support clearance groove 31 opening to the left and opening upward, a pressing block assembly is fixed on the output end 21 of the driving cylinder 2, the pressing block assembly comprises a pressing block, the pressing block is formed with a matching groove penetrating from left to right, a connecting column 4 is rotatably fixed in the matching groove, the left end of the connecting column 4 is fixed to the output end 21 of the driving cylinder 2, and the connecting column 4 is coaxially arranged with the supporting seat 3. Among them, a threaded structure is formed on the left end of the connecting column 4, a threaded hole is arranged in the output end 21 of the driving cylinder 2, and the left end of the connecting column 4 is threadedly fixed in the output end of the driving cylinder 2.

[0018] The support seat 3 is rotatably fixed to the vertical plate 11 through the first bearing assembly, and the connecting column 4 is rotatably fixed to the pressing block through the second bearing assembly. The first bearing assembly and the second bearing assembly both include thrust bearings. The thrust bearings include a first thrust bearing 51, a second thrust bearing 52, and a third thrust bearing 53.

[0019] A first fixed groove opening to the left is formed on the vertical plate 11, a first fixed shaft 32 extending to the right is provided on the support seat 3, a first through groove penetrating from left to right is formed on the vertical plate 11 for the first fixed shaft 32 to pass through, a second fixed groove is formed on the vertical plate 11, a first ball bearing 54 is fixed in the second fixed groove, the first fixed shaft 32 includes a thin section 321 and a thick section 322, the thin section 321 of the first fixed shaft 32 extends into the first through groove and is fixed to the first thrust bearing 51 and the first ball bearing 54 in sequence, and the right end face of the thick section 322 of the first fixed shaft 21 contacts the left end face of the first thrust bearing 51. The second fixed groove penetrates the vertical plate 11 to the right, a snap ring 33 is provided on the right end of the thin section 321, and the first ball bearing 54 is restricted between the axial groove wall of the second fixed groove and the snap ring 33.

[0020] The bottom plate 1 is provided with a positioning seat 9, on which a V-shaped groove or a U-shaped groove is formed, which penetrates from side to side and opens upward, and the motor 8 and the reduction box 7 are supported in the V-shaped groove or the U-shaped groove. In this embodiment, the outer diameter of the motor is the same as the outer diameter of the reduction box, and one positioning seat 9 can be provided. If the outer diameter of the motor to be assembled is different from the outer diameter of the reduction box, multiple positioning seats can be provided to support the motor and the reduction box respectively.

[0021] The pressure block includes a pressure block fixing block 61 and a pressure block body 62. The pressure block fixing block 62 is formed with a second through groove running through the left and right. The two ends of the pressure block fixing block 62 are respectively provided with a third fixed groove opening to the left and a fourth fixed groove opening to the right. The second thrust bearing 52 and the second ball bearing 55 are fixed in the third fixed groove, and the third thrust bearing 53 and the third ball bearing 56 are fixed in the fourth fixed groove. The connecting column 4 extends to the right into the second through groove and is fixed to the second thrust bearing 52, the second ball bearing 55, the third ball bearing 56, and the third thrust bearing 53 in sequence. The pressure block body 62 is fixed to the right side of the pressure block fixing block 61 and contacts with the third thrust bearing 53. The left end face of the second thrust bearing 52 contacts with the axial face of the output end 21 of the driving cylinder 2.

[0022] A fixing block 49 is fixed to the right end of the connecting column 4, and the left end face of the fixing block 49 contacts the right end face of the third thrust bearing 53. A threaded hole is formed at the right end of the connecting column, and the fixing block 49 is bolt-shaped and is threadedly fixed to the connecting column to achieve axial limiting of the connecting column.

[0023] When using the device of the present invention, the motor and the reducer are pre-assembled first, that is, the axial matching stop of the motor and the reducer is matched first, and then the motor and the reducer are placed in the V-groove or U-groove of the positioning seat 9. At this time, the motor and the reducer are located between the support seat and the output end of the driving cylinder. The motor and the reducer are moved so that the end of the reducer is placed on the support clearance groove of the support seat, and the left end face of the support clearance groove or the left end face of the support seat contacts the axial surface of the output end component of the reducer. Then the driving cylinder is started to clamp the motor and the reducer between the output end of the driving cylinder and the support seat to achieve axial compression, coaxial setting, and screw hole alignment of the motor and the reducer. Then the worker tightens the screws, rotates the motor and the reducer after tightening one screw, and then tightens the next screw. Repeat the above actions to tighten as many screws as needed, and finally resets the driving cylinder and removes the reduction motor.

[0024] The device of the invention has the advantages of ensuring the coaxiality of the motor output end and the reduction box input end and realizing screw hole alignment to facilitate assembly of the motor and the reduction box.

Claims

1. A motor and reduction box assembly auxiliary device, characterized in that It includes a bottom plate, a driving cylinder is provided on the left side of the bottom plate, the driving cylinder has an output end extending to the right, a vertical plate extending upward is provided on the right side of the bottom plate, a support seat is rotatably fixed on the vertical plate, the support seat has a support yielding groove opening to the left, a pressure block assembly is fixed on the output end of the driving cylinder, the pressure block assembly includes a pressure block, the pressure block is formed with a matching groove running through the left and right, a connecting column is rotatably fixed in the matching groove, the left end of the connecting column is fixed to the output end of the driving cylinder, and the connecting column is coaxially arranged with the support seat; the support seat is rotatably fixed to the vertical plate through a first bearing assembly, and the connecting column is connected to the pressure block through a second bearing assembly The first bearing assembly and the second bearing assembly are rotatably fixed, and both of them include thrust bearings; the thrust bearing includes a first thrust bearing, a first fixed groove opening to the left is formed on the vertical plate, the support seat is provided with a first fixed shaft extending to the right, the vertical plate is formed with a first through groove penetrating left and right for the first fixed shaft to pass through, the vertical plate is formed with a second fixed groove, a first ball bearing is fixed in the second fixed groove, the first fixed shaft includes a thin section and a thick section, the thin section of the first fixed shaft extends into the first through groove and is fixed to the first thrust bearing and the first ball bearing in sequence, and the right end face of the thick section of the first fixed shaft is in contact with the left end face of the first thrust bearing; A positioning seat is provided on the bottom plate, and a V-shaped groove or a U-shaped groove is formed on the positioning seat, which runs through the left and right sides and opens upward, and the motor and the reduction box are supported in the V-shaped groove or the U-shaped groove; the thrust bearing includes a second thrust bearing and a third thrust bearing, and the pressure block includes a pressure block fixing block and a pressure block body. The pressure block fixing block is formed with a second through groove running through the left and right sides, and the two ends of the pressure block fixing block are respectively provided with a third fixed groove opening to the left and a fourth fixed groove opening to the right, the second thrust bearing and the second ball bearing are fixed in the third fixed groove, and the third thrust bearing and the third ball bearing are fixed in the fourth fixed groove, the connecting column extends to the right into the second through groove and is fixed to the second thrust bearing, the second ball bearing, the third ball bearing, and the third thrust bearing in sequence, the pressure block body is fixed to the right side of the pressure block fixing block and contacts with the third thrust bearing, and the left end face of the second thrust bearing contacts with the output end or the connecting column of the driving cylinder.

2. The motor and reduction gearbox assembly auxiliary device according to claim 1 is characterized in that The second fixing groove penetrates the vertical plate to the right, a retaining ring is provided on the right end of the thin section, and the first ball bearing is restricted between the axial groove wall of the second fixing groove and the retaining ring.

3. The motor and reduction gearbox assembly auxiliary device according to claim 1 is characterized in that A fixing block is fixed to the right end of the connecting column, and a left end surface of the fixing block contacts the right end surface of the third thrust bearing.

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