CN211803525U - Pneumatic high-speed rotary stretcher - Google Patents

Abstract

The utility model provides a pneumatic high-speed rotary stretcher, including lower workstation, the lower workstation below is equipped with the motor, the motor links to each other with the reduction gear, is equipped with upper workstation and main shaft above the lower workstation, and the main shaft lower part ann has main shaft gear, and main shaft gear meshes with action wheel, advance the lid wheel and go out the lid wheel respectively, and the action wheel links to each other with the reduction gear, be equipped with the rotator on the main shaft, the rotator below is connected with main shaft gear through bearing A, and bearing A is located the main shaft shoulder; the upper workbench is provided with a bearing seat, a bearing D is arranged in the bearing seat, the rotating body is located at the inner end of the bearing D, the upper end of the rotating body and the middle of the main shaft are provided with a bearing B, and the main shaft above the bearing B is provided with a bearing C. The utility model discloses reduced the high noise phenomenon of equipment, production efficiency is showing and is improving, stops the production process basically because the regular shut down phenomenon that the piece leads to, has not only compressed the overall dimension who presses the material ring, has realized pressing the material ring moreover and has pressed lasting stability of limit power.

Description

Pneumatic high-speed rotary stretcher

Technical Field

The utility model belongs to the field of machinery, specifically speaking relates to a pneumatic high-speed rotatory stretcher.

Background

At present, equipment such as a full-automatic multi-head punching machine tool, a numerical control punching machine and the like are mainly used for primary stretching of the aluminum anti-counterfeiting bottle cap, and a horizontal punching machine, a rotary stretcher and the like are mainly used for secondary and multi-time stretching; however, the horizontal punching machine has high noise, strong impact force and low production speed, the rotary stretcher adopts a spring mechanical structure, the size of the die is large, the breakage rate is high, fragments in the production process often block the stretching die to cause shutdown, the actual application effect of the rotary stretcher is greatly reduced, and the rotary stretcher cannot be well applied and popularized.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pneumatic high-speed rotatory stretcher has solved the shortcoming that the piece jam drawing die utensil among the punch press equipment noise among the prior art is big, the impact force is strong, production speed is slow, the mould is bulky and the production process leads to the nature shut down frequently.

The technical scheme of the utility model is realized like this: a pneumatic high-speed rotary stretcher comprises a lower workbench, wherein a motor is arranged below the lower workbench and connected with a speed reducer, an upper workbench and a main shaft are arranged above the lower workbench, a main shaft gear is arranged at the lower part of the main shaft and respectively meshed with a driving wheel, a cover feeding wheel and a cover discharging wheel, the driving wheel is connected with the speed reducer, a rotating body is arranged on the main shaft, the lower part of the rotating body is connected with the main shaft gear through a bearing A, and the bearing A is positioned at the shaft shoulder of the main shaft; the upper workbench is provided with a bearing seat, a bearing D is arranged in the bearing seat, the rotating body is positioned at the inner end of the bearing D, the upper end of the rotating body and the middle part of the main shaft are provided with a bearing B, and the main shaft above the bearing B is provided with a bearing C; the aluminum sliding block is characterized in that a sliding rail is arranged on the outer wall of the rotating body, a sliding block is arranged on the sliding rail and connected with an aluminum sliding block, a cam bearing is arranged on the upper portion of the aluminum sliding block and located in a track of a cam, the cam is located on the upper portion of a main shaft, a cylinder seat is arranged on the top of the aluminum sliding block, a cylinder is arranged on the cylinder seat, a piston rod of the cylinder is connected with three material pressing rods through connecting plates, the material pressing rods are in contact with the top of a guide sleeve, a material pressing ring is arranged at the bottom of the guide sleeve, a sliding bearing seat is arranged in an inner cavity at the bottom end of the aluminum sliding block, a sliding bearing is arranged in the sliding bearing seat, a convex.

Compared with the prior art, the pneumatic high-speed rotary stretcher has the prominent substantive characteristics and the remarkable progress: the horizontal punching machine and the rotary stretcher are replaced, so that the high noise phenomenon of equipment is reduced; the production efficiency is obviously improved, 1000 pieces can be produced per minute, and the production speed is 2-5 times of that of the existing rotary stretcher; the problem of high breakage rate of a mechanical spring structure of the rotary stretcher is solved, and the phenomenon of frequent shutdown caused by fragments in the production process is basically avoided; not only the overall dimension of the material pressing ring is compressed, but also the continuous stability of the edge pressing force of the material pressing ring is realized.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the transmission gear of the present invention.

Description of the parts: 1. the device comprises a lower workbench, 2, a main shaft gear, 3, bearings A, 4, an upper workbench, 5, bearing seats, 6, a rotating body, 7, a main shaft, 8, bearings B, 9, sliding rails, 10, sliders, 11, bearings C, 12, cams, 13, cylinders, 14, cylinder seats, 15, cam bearings, 16, piston rods, 17, aluminum sliders, 18, connecting plates, 19, swaging rods, 20, guide sleeves, 21, sliding bearings, 22, sliding bearing seats, 23, male die seats, 24, a material cutting ring, 25, male dies, 26, swaging rings, 27, aluminum covers, 28, female die bodies, 29, bearings D, 30 driving wheels, 31, reducers, 32, motors, 33, cover inlet wheels, 34 and cover outlet wheels.

Detailed Description

For a better understanding and appreciation of the invention, it will be further described in connection with the accompanying drawings: a pneumatic high-speed rotary stretcher comprises a lower workbench 1, a main shaft 7 is mounted on the lower workbench 1, a bearing A3 is assembled at a shaft shoulder of the main shaft 7, a bearing A3 is mounted at the lower end of a rotating body 6, a main shaft gear 2 is assembled with the rotating body 6 and can synchronously rotate under the driving of the main shaft gear 2; the bearing seat 5 is arranged on the upper workbench 4, a bearing D29 is arranged in the bearing seat, and the rotating body 6 is seated at the inner end of a D bearing 29; the B bearing 8 is positioned in the middle of the main shaft 7 and inside the upper end of the rotating body 6, and can work together with the A bearing 3 to ensure the coaxiality of the rotating body 6 and the main shaft 7, and the C bearing 11 and the D bearing 29 work together to prevent the rotating body 6 from moving; the sliding rail 9 is arranged on the outer wall of the rotating body 6, the sliding block 10 is assembled on the sliding rail 9, the aluminum sliding block 17 is assembled with the sliding block 10 together, the cam bearing 15 is arranged on the upper part of the aluminum sliding block 17 and can circumferentially roll in the track of the cam 12 to drive the aluminum sliding block 17 to linearly move up and down along the sliding rail 9, and the cam 12 is arranged on the upper part of the main shaft 7 and is still with the main shaft 7; the cylinder 13 is arranged on a cylinder seat 14, the cylinder seat 14 is assembled at the top of an aluminum slide block 17, and a piston rod 16 of the cylinder 13 is connected with three material pressing rods 19 which are uniformly distributed and have the same height through a connecting plate 18; the material pressing rod 19 is contacted with the top of the guide sleeve 20; the sliding bearing seat 22 is arranged in the inner cavity at the bottom end of the aluminum sliding block 17, a sliding bearing 21 is arranged in the sliding bearing seat 22, and the guide sleeve 20 can reciprocate up and down in the sliding bearing 21 under the action of the material pressing rod 19; the male die holder 23 is arranged in the cavity of the aluminum slide block 17, and the blanking ring 24 and the male die 25 are arranged on the male die holder 23 to realize integral movement with the male die holder 23; the pressing ring 26 is arranged at the bottom of the guide sleeve 20, the structure not only compresses the overall dimension of the pressing ring 26, but also the guide sleeve 20 ensures the coaxiality of the pressing ring 26 and the whole set of die, so that the stable and continuous blank holder force contact between the pressing ring 26 and the aluminum cover 27 (workpiece) is ensured, and the space structures of the pressing ring 26 and the guide sleeve 20 are arranged outside the convex die holder 23, the blanking ring 24 and the convex die 25; the die body 28 is positioned at the lower part of the male die 25 and keeps coaxial; the slider 10 and the cam bearing 15 are mounted on the same side of the upper part of the aluminum slider 17.

The working principle of the pneumatic high-speed rotating stretcher is as follows: the motor 32 drives the reducer 31 to operate, the driving wheel 30 mounted on the reducer 31 drives the main shaft gear 2 to synchronously rotate, the rotating body 6 starts to make circular motion, the cam bearing 15 is driven to start to move from the top dead center to the bottom dead center along the cam track of the cam 12, and the sliding block 10 on the aluminum sliding block 17 is driven to drive all components on the aluminum sliding block 17 to move downwards along the sliding rail 9; meanwhile, the piston rod 16 on the cylinder 13 acts on the guide sleeve 20 through the swaging rod 19 under the action of compressed air, and the guide sleeve 20 transmits constant swaging force to the end face of the swaging ring 26; the cover feeding wheel 33 conveys the aluminum cover 27 to the top of the die body 28, when the end surface of the pressing ring 26 is in contact with the inner surface of the aluminum cover 27 on the top of the die body 28, the aluminum cover 27 can be fixed on the top of the die body 28 with constant pressing force, and the pressing ring 26 also reaches the bottom dead center; the cam bearing 15 continuously descends along the cam 12 track to drive the punch 25 to enter the die body 28, the punch 25 interacts with the die body 28 to complete the stretching process of the aluminum cover 27, the cam bearing 15 continuously descends along the cam 12 track, the blanking ring 24 also enters the die body 28, the gap between the blanking ring 24 and the die body 28 is very small and within 0.05mm, so that redundant annular materials of the stretched aluminum cover 27 (with the thickness of 0.21 mm) can be cut off, the stretching of the aluminum cover 27 is completely completed, and the cover discharging wheel 34 conveys the stretched aluminum cover 27 to the next station. Then the cam bearing 15 moves from the lower dead point to the upper dead point along the track of the cam 12, the slide block 10 drives all parts on the aluminum slide block 17 to move upwards along the slide rail 9, the material cutting ring 24 and the convex die 25 are separated from the inner cavity of the concave die body 28 successively, then the material pressing ring 26 is separated from the end surface of the concave die body 28, the cam bearing 15 reaches the upper dead point, all parts are reset, the cam bearing stably runs for a certain radian, and the next stretching process is started.

Claims (1)

1. A pneumatic high-speed rotary stretcher comprises a lower workbench (1), wherein a motor (32) is arranged below the lower workbench (1), the motor (32) is connected with a speed reducer (31), an upper workbench (4) and a main shaft (7) are arranged above the lower workbench (1), a main shaft gear (2) is arranged at the lower part of the main shaft (7), the main shaft gear (2) is respectively meshed with a driving wheel (30), a cover inlet wheel (33) and a cover outlet wheel (34), and the driving wheel (30) is connected with the speed reducer (31), and the pneumatic high-speed rotary stretcher is characterized in that a rotating body (6) is arranged on the main shaft (7), the lower part of the rotating body (6) is connected with the main shaft gear (2) through a bearing A (3), and the bearing A (3) is positioned at the shaft shoulder of the main shaft (7; a bearing seat (5) is arranged on the upper workbench (4), a bearing D (29) is arranged in the bearing seat (5), the rotating body (6) is positioned at the inner end of the bearing D (29), a bearing B (8) is arranged at the upper end of the rotating body (6) and in the middle of the main shaft (7), and a bearing C (11) is arranged on the main shaft (7) above the bearing B (8); the outer wall of the rotating body (6) is provided with a sliding rail (9), the sliding rail (9) is provided with a sliding block (10), the sliding block (10) is connected with an aluminum sliding block (17), the upper part of the aluminum sliding block (17) is provided with a cam bearing (15), the cam bearing (15) is positioned in a track of a cam (12), the cam (12) is positioned on the upper part of a main shaft (7), the top of the aluminum sliding block (17) is provided with a cylinder seat (14), the cylinder seat (14) is provided with a cylinder (13), a piston rod (16) of the cylinder (13) is connected with three material pressing rods (19) through a connecting plate (18), the material pressing rods (19) are contacted with the top of a guide sleeve (20), the bottom of the guide sleeve (20) is provided with a material pressing ring (26), a sliding bearing seat (22) is arranged in an inner cavity at the bottom end of the aluminum sliding block (17), a sliding bearing (21) is arranged in the, the male die holder (23) is provided with a cutting ring (24) and a male die (25), and the lower part of the male die (25) is provided with a female die body (28).

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