Automatic punching and assembling system for belt pulley

Abstract

The invention provides an automatic punching and assembling system for a belt pulley, belongs to the technical field of belt pulley processing, and solves the technical problems that in the prior art, the wheel surface of the belt pulley cannot be punched and carved, so that the counterweight effect is not high, and stripes for enhancing friction cannot be formed on the wheel surface of the belt pulley. An automatic punching and assembling system for a belt pulley comprises a machining frame and a feeding mechanism arranged on the machining frame, a positioning module is arranged on the feeding mechanism, a machining module is arranged on the machining frame, and the positioning module comprises a supporting arm, a driving seat rotationally connected with the top end of the supporting arm and a positioning annular frame arranged on the driving seat. The positioning annular frame is divided into two circular ring strips and a plurality of connecting rods arranged and fixed between the two circular ring strips, and driving annular grooves are formed in the surfaces of the two circular ring strips. The belt pulley punching device has the advantages that all-around automatic punching work on the belt pulley is achieved, and the overall machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of pulley processing, and relates to a punching and assembling system, in particular to an automatic punching and assembling system for a pulley. BACKGROUND

[0002] The pulley belongs to a hub part, is usually large in size, is manufactured by a casting or forging process, and is used as a transmission component in a mechanical device. In most cases, the pulley needs to be installed on the end of a shaft during use, so the center hole of the formed pulley needs to be processed to enable the pulley to be matched with the shaft in transition fit or interference fit. In addition, some pulleys need to be punched on the periphery of the center hole for the purpose of balance and weight reduction.

[0003] According to the search, a pulley precision punching and surface polishing integrated equipment is disclosed in Chinese patent literature (Application No. 202510799146.5; Publication No. CN 120551794 A). The pulley precision punching and surface polishing integrated equipment comprises a loading box, a guide rod is connected to the top end of the loading box, an installation horizontal plate is slidably arranged at the top end of the guide rod, a plurality of sets of downward hydraulic cylinders are connected to the top end of the installation horizontal plate, the output ends of the downward hydraulic cylinders penetrate through the installation horizontal plate and are connected to a connecting shell, and an adjustable drilling mechanism is connected to the inside of the connecting shell. The pulley is positioned by the clamping unit, and the positioning of the pulley can be well performed due to the synchronism of the movement of the inner support blocks. The adjustable drilling mechanism can simultaneously perform multi-hole work on the pulley, is suitable for pulley processing of different sizes, effectively improves the work efficiency, and enables the processed pulley to rotate in the polishing sand to perform polishing work by utilizing friction, reduces the operation procedure, reduces the production cost, and further improves the work efficiency.

[0004] Although the patent can simultaneously perform multi-hole work on the pulley, is suitable for pulley processing of different sizes, effectively improves the work efficiency, and enables the processed pulley to rotate in the polishing sand to perform polishing work by utilizing friction, the application cannot adjust the angle of the pulley, can only perform axial flat hole drilling work, cannot perform hole drilling and sculpture on the pulley surface, the weight reduction effect is not high, and the pulley surface cannot be provided with a stripe for enhancing friction, thereby affecting the connection effect of the pulley and the belt. SUMMARY

[0005] The application aims at the above-mentioned problems existing in the prior art, and provides an automatic punching and assembling system for a pulley.

[0006] The object of the application can be achieved by the following technical scheme. A belt pulley automatic punching and assembling system, comprising a machining rack, a feeding mechanism arranged on the machining rack, and a positioning module arranged on the feeding mechanism, wherein the machining rack is provided with a machining module, the positioning module comprises a support arm, a driving seat rotatably connected to the top end of the support arm, and a positioning annular frame arranged on the driving seat, the positioning annular frame is divided into two annular strips and a plurality of connecting rods fixedly arranged between the two annular strips, driving ring grooves are formed in the surfaces of the two annular strips, a pair of guide ring grooves are formed in each driving ring groove, a pair of guide blocks are fixed on the driving seat, each guide block is in sliding fit with the corresponding driving ring groove, a pair of guide wheels are rotatably connected to each guide block, each guide wheel is in sliding fit with the corresponding guide ring groove, two pairs of driving wheels are rotatably connected to the driving seat, two pairs of servo motors are fixed in the driving seat, the output shaft of each servo motor is coaxially fixedly connected with the corresponding driving wheel, the wheel surface of each pair of driving wheels is in contact with the groove wall of the corresponding driving ring groove, and the inner ring surfaces of the two annular strips are fixed with annular air bags.

[0007] The working principle of the present application is that the belt pulley is placed in the positioning annular frame, the annular air bag is inflated at this time, the annular air bag is expanded to press and contact the surface of the belt pulley, so as to realize the positioning and fixing of the belt pulley, and by controlling the expansion degree of the annular air bag, different sizes of belt pulleys can be adapted, the positioning annular frame is sent to the machining module by the feeding mechanism, and the belt pulley is automatically punched and assembled by the machining module.

[0008] The feeding assembly comprises a conveying slide rail one, a driving lead screw one rotatably connected in the conveying slide rail one, the bottom of the support arm is in sliding connection with the conveying slide rail one, the driving lead screw one is in threaded connection with the bottom of the support arm, and a servo motor two is fixed in the conveying slide rail one, the output shaft of the servo motor two is coaxially fixedly connected with the driving lead screw one.

[0009] By adopting the above structure, the servo motor two drives the driving lead screw one to rotate, the driving lead screw one drives the support arm to move, so as to realize the automatic feeding capacity and improve the overall work efficiency.

[0010] The punching module comprises a control arm fixed on the machining rack, a conveying slide rail two fixed on the top end of the control arm, a driving lead screw two in sliding connection with the conveying slide rail two, a control frame in sliding connection with the conveying slide rail two, a servo motor five fixed on the conveying slide rail two, the output shaft of the servo motor five coaxially fixedly connected with the driving lead screw two, an electric push rod fixed on the bottom of the control frame, an output end of the electric push rod fixed with a servo motor three, the output shaft of the servo motor three coaxially fixedly connected with a mounting seat, and a drill bit and a pressing head fixed on the mounting seat through bolts.

[0011] With the above structure, the servo motor five can drive the drive screw two to rotate, and the drive screw two can drive the control frame to move after rotating, so as to realize position control during processing, improve processing precision, and realize normal processing process by pushing the processing end to contact the workpiece through the electric push rod. Then, the drill or pressure head is installed on the mounting seat. When the drill is installed, the servo motor three drives the mounting seat to rotate, so that the drill is further rotated to realize normal hole opening. When the pressure head is installed, the bearing and other structures can be placed in the mounting position of the belt pulley in advance. At this time, the bearing and other structures are pressed into the belt pulley by the pressure head, so that normal assembly work is realized.

[0012] The support arm is fixed with an inflation frame, the inflation frame is fixed with an air pump, the two circular ring strips are provided with annular air holes, one of the connecting rods is provided with a connecting air hole communicating with the two annular air holes, and the center of the circular ring strip at the bottom is provided with a connecting disc fixedly connected with the circular ring strip at the bottom. The connecting disc is provided with a gas delivery hole communicating with one of the annular air holes, the other end of the gas delivery hole penetrates the bottom center of the connecting disc, the output end of the air pump is fixed with a gas delivery pipe, one end of the gas delivery pipe is rotatably connected with the other end of the gas delivery hole, and the inner ring surface of the two circular ring strips is arranged with gas ports.

[0013] With the above structure, the air pump can deliver air into the gas delivery hole through the gas delivery pipe, and then the two annular air holes are filled with gas through the gas delivery hole and the connecting air hole. The annular air bags are inflated through the gas ports, and the collision degree of the annular air bags is controlled by the air delivery degree of the air pump.

[0014] The support arm is fixed with a servo motor four, and the output shaft of the servo motor four is coaxially fixedly connected with the driving seat.

[0015] With the above structure, the servo motor four can drive the driving seat to rotate, so as to further drive the positioning ring frame to rotate at an angle, and drive the belt pulley positioned therein to adjust the horizontal or vertical state, so as to improve the processing range of punching and assembly.

[0016] The bottom surface of the machining frame is fixed with four hydraulic legs, and the bottom surface of the machining frame is rotatably connected with four universal wheels.

[0017] With the above structure, the four universal wheels can make the application have mobility, improve the efficiency of overall transportation and storage, and realize the control of mobility and positioning through the hydraulic legs.

[0018] Compared with the prior art, the belt pulley automatic punching and assembly system has the following advantages: 1. By placing the pulley inside the positioning ring frame, the ring airbag is inflated. The inflated ring airbag then presses against the pulley surface, thereby limiting and fixing the pulley. By controlling the degree of inflation of the ring airbag, it can be adapted to pulleys of different sizes.

[0019] 2. The servo motor drives the drive base to rotate, which in turn drives the positioning ring frame to rotate at an angle. After the positioning ring frame rotates at an angle, it drives the positioning pulley inside to adjust its horizontal or vertical state, thereby improving the processing range of drilling and assembly. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention.

[0021] Figure 2 This is a schematic diagram of the internal structure of the second conveyor rail in this invention.

[0022] Figure 3 This is a schematic diagram of the positioning module in this invention.

[0023] Figure 4 In this invention Figure 3 A magnified schematic diagram of the structure of region a in the middle.

[0024] Figure 5 This is a schematic diagram of the internal structure of the circular strip in this invention.

[0025] In the diagram: 1. Processing frame; 2. Support arm; 3. Drive seat; 4. Circular bar; 5. Connecting rod; 6. Drive ring groove; 7. Guide ring groove; 8. Guide block; 9. Guide wheel; 10. Drive wheel; 11. Servo motor one; 12. Circular airbag; 13. Conveyor slide rail one; 14. Drive screw one; 15. Servo motor two; 16. Control arm; 17. Conveyor slide rail two; 18. Drive screw two; 19. Control frame; 20. Servo motor five; 21. Electric push rod; 22. Servo motor three; 23. Mounting seat; 24. Inflation frame; 25. Air pump; 26. Circular vent hole; 27. Connecting air hole; 28. Connecting disc; 29. ​​Air supply hole; 30. Air supply pipe; 31. Air inlet; 32. Servo motor four; 33. Hydraulic outrigger; 34. Universal wheel. Detailed Implementation

[0026] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0027] like Figures 1-5As shown, a kind of automatic pulley punching and assembly system, including processing frame 1, the feeding mechanism arranged on processing frame 1, the positioning module is arranged on the feeding mechanism, processing module is arranged on processing frame 1, positioning module includes support arm 2, the top rotary connection of support arm 2 driving seat 3, the positioning ring frame is arranged on driving seat 3, positioning ring frame is divided into two annular strips 4 and multiple connecting rods 5 arranged fixedly between two annular strips 4, the surface of two annular strips 4 is all set with driving ring groove 6, and a pair of guide ring grooves 7 is set in each driving ring groove 6, and a pair of guide blocks 8 is fixed on driving seat 3, each guide block 8 is slidably matched with corresponding driving ring groove 6, and a pair of guide wheels 9 is rotatably connected on each guide block 8, each guide wheel 9 is slidably matched with corresponding guide ring groove 7, two pairs of driving wheels 10 are rotatably connected on driving seat 3, two pairs of servo motors one 11 are fixed in driving seat 3, the output shaft of each servo motor one 11 is coaxially fixedly connected with corresponding driving wheel 10, the wheel surface of each pair of driving wheel 10 is in contact with the groove wall of corresponding driving ring groove 6, and the inner ring surface of two annular strips 4 is fixed with annular air bag 12.

[0028] By placing pulley in positioning ring frame, annular air bag 12 is inflated at this time, so that annular air bag 12 is expanded and extruded in contact with the wheel surface of pulley, so that the limiting and fixing work of pulley is realized, and by controlling the expansion degree of annular air bag 12, pulleys of different sizes can be adapted, and the positioning ring frame is sent into the processing module by the feeding mechanism, and the automatic punching and assembly work of pulley is realized by the processing module.

[0029] Feeding assembly includes conveying slide rail one 13, driving lead screw one 14 rotatably connected in conveying slide rail one 13, the bottom of support arm 2 is slidably connected with conveying slide rail one 13, and driving lead screw one 14 is threadedly connected with the bottom of support arm 2, and servo motor two 15 is fixed in conveying slide rail one 13, and the output shaft of servo motor two 15 is coaxially fixedly connected with driving lead screw one 14.

[0030] By the above structure, servo motor two 15 can drive driving lead screw one 14 to rotate, driving lead screw one 14 drives support arm 2 to move, so as to realize the ability of automatic feeding and improve the overall work efficiency.

[0031] The punching module comprises a control arm 16 fixed on the machining rack 1, a conveying slide rail two 17 fixed at the top end of the control arm 16, a driving lead screw two 18 slidably connected to the conveying slide rail two 17, a regulating rack 19 slidably connected to the conveying slide rail two 17, a servo motor five 20 fixed on the conveying slide rail two 17, the output shaft of the servo motor five 20 coaxially fixedly connected with the driving lead screw two 18, an electric push rod 21 fixed at the bottom of the regulating rack 19, a servo motor three 22 fixed at the output end of the electric push rod 21, a mounting seat 23 coaxially fixedly connected with the output shaft of the servo motor three 22, and a drill bit and a pressing head can be fixed on the mounting seat 23 through bolts.

[0032] With the above structure, the servo motor five 20 drives the driving lead screw two 18 to rotate, and the driving lead screw two 18 drives the regulating rack 19 to move after rotating, so as to realize position regulation during machining, improve machining precision, and push the machining end to contact the workpiece through the electric push rod 21, so as to realize normal machining process. By installing a drill bit or a pressing head on the mounting seat 23, the drill bit is rotated by cooperating with the servo motor three 22 to drive the mounting seat 23 to rotate, so as to further drive the drill bit to rotate and realize normal hole opening. When the pressing head is installed, the bearing and other structures can be placed in the mounting position of the belt pulley in advance. At this time, the bearing and other structures are pressed into the belt pulley by the pressing head, so as to realize normal assembly work.

[0033] The support arm 2 is fixed with an inflation rack 24, the inflation rack 24 is fixed with an air pump 25, the two annular strips 4 are each provided with an annular air hole 26, one of the connecting rods 5 is provided with a connecting air hole 27 communicating with the two annular air holes 26, and the center of the annular strip 4 at the bottom is provided with a connecting disc 28 fixedly connected with the annular strip 4 at the bottom, the connecting disc 28 is provided with a gas inlet hole 29 communicating with one of the annular air holes 26 at one end, the other end of the gas inlet hole 29 penetrates out from the bottom center of the connecting disc 28, the output end of the air pump 25 is fixed with a gas inlet pipe 30, one end of the gas inlet pipe 30 is rotatably connected with the other end of the gas inlet hole 29, and the inner ring surface of each annular strip 4 is arranged with a gas port 31, one end of each gas port 31 communicates with the corresponding annular air hole 26, and the other end of each gas port 31 communicates with the corresponding annular air bag 12.

[0034] With the above structure, the air pump 25 can input air into the gas inlet hole 29 through the gas inlet pipe 30, and then make the two annular air holes 26 filled with gas through the gas inlet hole 29 and the connecting air hole 27, and then inflate the annular air bag 12 through the gas port 31, and control the collision degree of the annular air bag 12 through the air supply degree of the air pump 25.

[0035] The support arm 2 is fixed with a servo motor four 32, and the output shaft of the servo motor four 32 is coaxially fixedly connected with the driving seat 3.

[0036] With the above structure, the driving seat 3 can be driven to rotate by the servo motor 32, thereby further driving the positioning annular frame to rotate by an angle, and the positioning annular frame drives the positioning pulley inside to adjust in a horizontal or vertical state after rotating by an angle, thereby improving the machining range of punching and assembly.

[0037] The bottom surface of the machining rack 1 is fixed with four hydraulic legs 33, and the bottom surface of the machining rack 1 is rotatably connected with four universal wheels 34.

[0038] With the above structure, the four universal wheels 34 can make the application movable, improve the efficiency of overall transportation and storage, and realize the regulation and control of mobility and positioning through the hydraulic legs 33.

[0039] The working principle of the application is as follows: the pulley is placed in the positioning annular frame, the air pump 25 supplies air into the air inlet hole 29 through the air supply pipe 30, and then the air inlet hole 29 and the connecting air hole 27 are connected to make the two annular air holes 26 full of gas, and then the air inlet 31 inflates the annular air bag 12, so that the annular air bag 12 expands and the pulley surface is extruded and contacted, so that the positioning and fixing work of the pulley is realized, the servo motor 15 drives the driving lead screw 14 to rotate, the driving lead screw 14 drives the supporting arm 2 to move, and the positioning annular frame is sent to the machining module, the servo motor 20 drives the driving lead screw 18 to rotate, and the driving lead screw 18 drives the regulating frame 19 to move after rotating, so that the position regulation during machining is realized, the electric push rod 21 pushes the machining end to contact the workpiece, and the normal machining process is realized, and during the machining process, the drill or the pressing head can be installed on the mounting seat 23, the drill is installed, the servo motor 3 is driven to rotate the mounting seat 23, so that the drill is further driven to rotate, the normal hole opening action is realized, and the bearing and other structures are placed in the mounting position of the pulley in advance when the pressing head is installed, and then the bearing and other structures are pressed into the pulley by the pressing head, so that the normal assembly work is realized.

[0040] In summary, the pulley is placed in the positioning annular frame, the annular air bag 12 is inflated, the annular air bag 12 expands and the pulley surface is extruded and contacted, so that the positioning and fixing work of the pulley is realized, and the expansion degree of the annular air bag 12 can be controlled to adapt to pulleys of different sizes, and then the positioning annular frame is sent to the machining module by the feeding mechanism, and the pulley is punched and assembled automatically by the machining module.

[0041] The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or changes in the specific embodiments described herein can occur to those skilled in the art to which the application pertains without departing from the spirit of the application, and it is understood that such modifications or changes are to be considered as within the scope of the application as defined by the appended claims.

Claims

1. A belt wheel automatic punching and assembling system, comprising a machining frame (1), a feeding mechanism arranged on the machining frame (1), and a positioning module arranged on the feeding mechanism, characterized in that, The machining frame (1) is provided with a machining module, the positioning module comprises a support arm (2), a drive seat (3) rotatably connected to the top end of the support arm (2), a positioning annular frame provided on the drive seat (3), the positioning annular frame is divided into two annular strips (4) and a plurality of connecting rods (5) fixedly arranged between the two annular strips (4), drive ring grooves (6) are formed in the surfaces of the two annular strips (4), a pair of guide ring grooves (7) are formed in each drive ring groove (6), a pair of guide blocks (8) are fixedly arranged on the drive seat (3), each guide block (8) is in sliding fit with the corresponding drive ring groove (6), a pair of guide wheels (9) are rotatably connected to each guide block (8), each guide wheel (9) is in sliding fit with the corresponding guide ring groove (7), two pairs of drive wheels (10) are rotatably connected to the drive seat (3), two pairs of servo motors (11) are fixedly arranged in the drive seat (3), and the output shafts of the servo motors (11) are coaxially fixedly connected with the corresponding drive wheels (10).

2. A pulley automated punching and assembly system as claimed in claim 1, wherein, The wheel surfaces of each pair of drive wheels (10) are in contact with the groove walls of the corresponding drive ring grooves (6), and the inner annular surfaces of the two annular strips (4) are fixedly provided with annular air bags (12).

3. A pulley automated punching and assembly system as claimed in claim 1, wherein, The feeding assembly comprises a conveying slide rail one (13) and a drive lead screw one (14) rotatably connected in the conveying slide rail one (13), the bottom of the support arm (2) is in sliding connection with the conveying slide rail one (13), the drive lead screw one (14) is in threaded connection with the bottom of the support arm (2), a servo motor two (15) is fixedly arranged in the conveying slide rail one (13), and the output shaft of the servo motor two (15) is coaxially fixedly connected with the drive lead screw one (14).

4. The pulley automated punching and assembly system of claim 1, wherein, The punching module comprises a control arm (16) fixed on the machining frame (1), a conveying slide rail two (17) fixed to the top end of the control arm (16), a drive lead screw two (18) in sliding connection with the conveying slide rail two (17), a control frame (19) in sliding connection with the conveying slide rail two (17), a servo motor five (20) fixed on the conveying slide rail two (17), a servo motor three (22) fixed to the output end of the electric push rod (21), a mounting seat (23) coaxially fixedly connected with the output shaft of the servo motor three (22), and a drill bit and a pressing head fixed on the mounting seat (23) through bolts.

5. The pulley automated punching and assembly system of claim 1, wherein, The support arm (2) is fixed with an air inflation frame (24), the air inflation frame (24) is fixed with an air pump (25), the two annular strips (4) are both provided with annular air holes (26), one connecting rod (5) is provided with a connecting air hole (27) connecting the two annular air holes (26), and the center of the annular strip (4) at the bottom is provided with a connecting disc (28) fixedly connected with the annular strip (4) at the bottom, the connecting disc (28) is provided with a gas delivery hole (29) with one end connected with one annular air hole (26), the other end of the gas delivery hole (29) is arranged from the bottom center of the connecting disc (28), and the output end of the air pump (25) is fixed with a gas delivery pipe (30), one end of the gas delivery pipe (30) is rotatably connected with the other end of the gas delivery hole (29), and the inner annular surface of the two annular strips (4) is arranged with air ports (31).

6. A pulley automated punching and assembly system as claimed in claim 5, wherein, One end of each of the air ports (31) is communicated with the corresponding annular air hole (26), and the other end of each of the air ports (31) is communicated with the corresponding annular air bag (12).

7. The pulley automated punching and assembly system of claim 1, wherein, The support arm (2) is fixed with a servo motor four (32), and the output shaft of the servo motor four (32) is coaxially fixedly connected with the driving seat (3).

8. The pulley automated punching and assembly system of claim 1, wherein, The bottom of the processing frame (1) is fixed with four hydraulic legs (33), and the bottom of the processing frame (1) is rotatably connected with four universal wheels (34).

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