Synchronous bag opening mechanism

By constructing a high-efficiency power transmission system using servo motors and couplings, and combining rotary-to-linear motion conversion technology and modular design, the problems of low power efficiency, rigid design and high maintenance costs of traditional synchronous bag opening mechanisms are solved, realizing a highly efficient and stable automated bag opening process.

CN223812768UActive Publication Date: 2026-01-20上海欧朔智能包装科技有限公司
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Patent Information

Application Number
CN202520156346.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-20
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Traditional synchronous bag opening mechanisms suffer from low power conversion efficiency, rigid design, sensitivity to vibration, slow automation pace, and high maintenance costs, which limit production efficiency and quality improvement.

Method used

A high-efficiency power transmission system is constructed using servo motors and couplings, combined with rotary-to-linear motion conversion technology, guide rail system and cable chain to enhance controllability and flexibility, and the structure assembly and maintenance are optimized through modular design.

Benefits of technology

It improves the efficiency and accuracy of the bag opening process, reduces vibration errors, enhances the continuity and consistency of the automated process, reduces maintenance costs, and ensures the stable operation of the system.

✦ Generated by Eureka AI based on patent content.

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Abstract

A synchronous bag opening mechanism comprises a bag opening horizontal moving structure and a servo bag opening mechanism, and the bag opening horizontal moving structure is connected with the servo bag opening mechanism. The bag opening horizontal moving structure comprises a first mounting base, a coupler, a first servo motor, a first rotating shaft, a first guide rail mounting plate, a first guide rail, a first sliding block and a first sliding block connecting plate. Compared with the prior art, an efficient power transmission system is constructed through the servo motor and the coupler, precise translation of the bag opening structure is ensured, and the operation efficiency is improved. And the controllability and flexibility of the bag opening process are enhanced through the technology of conversion from rotation to linear motion. The guide rail system and the drag chain guarantee smooth flow, vibration errors are reduced, and the product quality is optimized. A cam follower and multiple shafts cooperate to improve precision, synchronous airflow regulation and control strengthen an automatic process, and operation continuity and consistency are improved. The modular design simplifies the assembly and maintenance of the device, reduces the downtime and cost, and guarantees the stable operation of the system.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packaging machine manufacturing, specifically relates to a synchronous bag opening mechanism. BACKGROUND

[0002] For a long time, the traditional synchronous bag opening mechanism has encountered many barriers, which seriously hinder the comprehensive improvement of production efficiency and quality standards. The first is the low power conversion efficiency, the excessive energy consumption in the process of converting rotation into linear power transmission, which directly reduces the overall performance of the production line. In addition, the rigid design of the bag opening device makes it difficult to flexibly respond to various packaging materials and specifications, limiting the breadth and depth of automation. Moreover, the high sensitivity to external slight vibration makes the product qualification rate subject to the influence of the smallest fluctuation, which cannot guarantee the stability of the output. In addition, the slow pace of automation cannot support the high-frequency and uninterrupted operation mode, exposing the backward situation of the mechanized era. Finally, the non-modular structure of the traditional device brings additional time and money cost to the subsequent maintenance, which restricts the long-term development of enterprises.

[0003] In order to solve the above problems, we have made a series of improvements. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a synchronous bag opening mechanism to overcome the above-mentioned shortcomings and deficiencies of the prior art.

[0005] A synchronous bag opening mechanism, comprising: a bag opening horizontal moving structure and a servo bag opening mechanism, the bag opening horizontal moving structure is connected with the servo bag opening mechanism.

[0006] Among them, the bag opening horizontal moving structure includes: first mounting seat, shaft coupling, first servo motor, first rotating shaft, first guide rail mounting plate, first guide rail, first sliding block and first sliding block connecting plate, the first mounting seat is fixedly connected with the first servo motor, one end of the first rotating shaft passes through the first guide rail mounting plate and is connected with the shaft coupling, the bottom of the first guide rail is connected with the first guide rail mounting plate, the first sliding block is connected with the first sliding block connecting plate, the first sliding block and the first sliding block connecting plate are located at one end of the first guide rail, and the first sliding block and the first sliding block connecting plate are connected with the first guide rail mounting plate.

[0007] Further, the servo bag opening mechanism comprises a first pressing plate, a second pressing plate, a shaft sleeve base, a second servo motor, a second mounting base, a swing arm, a joint bearing, a connecting piece, a guide rail, a second guide rail mounting plate, a second guide rail, a second sliding block, a second sliding block connecting plate, a drag chain, a front bearing seat, a rear bearing seat, a first bag opening joint bearing, a second rotating shaft, a rotating arm, a connecting plate, a cam follower, a second bag opening joint bearing, an upper connecting shaft plate, a lower connecting shaft plate, a screw nut, an end cover, a bearing, a third mounting base, a left air pipe clamp block, a right air pipe clamp block, a front suction disc seat, a left front guide shaft, a right front guide shaft, a first suction disc, a second suction disc, a rear suction disc seat, a left rear guide shaft, a right rear guide shaft, a third suction disc, a fourth suction disc, a mounting block, a sliding block and a third guide rail, the first pressing plate and the second pressing plate are connected with the shaft sleeve base, the shaft sleeve base is fixedly connected with the mounting block, the second servo motor is fixedly connected with the second mounting base, the rotating shaft of the second servo motor is connected with the upper portion of the swing arm, the lower portion of the swing arm is connected with one end of the joint bearing, the other end of the joint bearing is connected with the connecting piece, the connecting piece is fixed on the guide rail, the bottom of the second guide rail is connected with the second guide rail mounting plate, the second sliding block is connected with the second sliding block connecting plate, the second sliding block and the second sliding block connecting plate are located at one end of the second guide rail, the second sliding block and the second sliding block connecting plate are connected with the second guide rail mounting plate, the drag chain is connected with the guide rail, the front bearing seat is connected with one end of the second rotating shaft, the other end of the second rotating shaft passes through the rotating arm and is connected with the rear bearing seat, one end of the first bag opening joint bearing is connected with the rotating arm, the other end of the first bag opening joint bearing is connected with the connecting plate, the cam follower is connected with the connecting plate, the second bag opening joint bearing is connected with the bottom of the rotating arm, the upper end of the upper connecting shaft plate is connected with the connecting plate, the upper connecting shaft plate is connected with the left front guide shaft and the right front guide shaft, the lower connecting shaft plate is connected with the left rear guide shaft and the right rear guide shaft, the first rotating shaft passes through the screw nut in the mounting block and is connected with the bearing, the bearing is clamped in the second guide rail mounting plate, the end cover is connected with the bearing and the second guide rail mounting plate, the third mounting base is fixedly connected with the shaft sleeve base, the left air pipe clamp block and the right air pipe clamp block are fixed at two ends of the third mounting base respectively, the front suction disc seat is connected with the left front guide shaft and the right front guide shaft, the first suction disc and the second suction disc are connected with the front suction disc seat, the rear suction disc seat is connected with the left rear guide shaft and the right rear guide shaft, the third suction disc and the fourth suction disc are connected with the rear suction disc seat, the upper portion of the mounting block is fixedly connected with the shaft sleeve base, the lower portion of the mounting block is connected with the upper portion of the sliding block, and the lower portion of the sliding block is connected with the third guide rail.

[0008] The utility model discloses the beneficial effect of:

[0009] Compared with the prior art, the utility model discloses a high -efficient power transmission system is built through servo motor and shaft coupling, ensures that the bag opening structure precision translation promotes the operation efficiency, servo bag opening mechanism adopts rotation to linear motion conversion technology, has strengthened the controllability and flexibility of bag opening process, has provided the powerful foundation for the automation operation, utilize the guide rail system and the tow chain, guarantee bag opening process smooth, reduce the error caused by the vibration, optimize product quality, the cam follower and the multi -shaft's cooperation work are favorable to the promotion bag opening precision, and the synchronous airflow control are equipped, have strengthened the automation process, have improved the continuity and consistency of operation, through the modular design optimization device internal structure's assembly and maintenance, the device's assembly and post -stage maintenance are convenient, have reduced the downtime and maintenance cost, have guaranteed the stable operation of system. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the whole structure schematic diagram of the utility model.

[0011] Figure 2 It is the structure schematic diagram of the bag opening horizontal movement structure of the utility model.

[0012] Figure 3 It is the structure schematic diagram of the servo bag opening mechanism of the utility model.

[0013] Figure 4 It is the rear view of the utility model.

[0014] Reference signs:

[0015] Bag opening horizontal movement structure 100, servo bag opening mechanism 200.

[0016] First mounting seat 101, shaft coupling 102, first servo motor 103, first rotating shaft 110, first guide rail mounting plate 120, first guide rail 121, first sliding block 122, first sliding block connecting plate 123.

[0017] The first pressing plate 201, the second pressing plate 202, the shaft sleeve seat 203, the second servo motor 210, the second mounting seat 211, the swing arm 212, the joint bearing 213, the connecting piece 214, the guide rail 215, the second guide rail mounting plate 220, the second guide rail 221, the second sliding block 222, the second sliding block connecting plate 223, the drag chain 230, the front bearing seat 240, the rear bearing seat 241, the first bag opening joint bearing 242, the second rotating shaft 243, the rotating arm 244, the connecting plate 245, the cam follower 246, the second bag opening joint bearing 247, the upper connecting shaft plate 250, the lower connecting shaft plate 251, the screw nut 252, the end cover 253, the bearing 254, the third mounting seat 260, the left trachea clamping block 261, the right trachea clamping block 262, the front suction disc seat 270, the left front guide shaft 271, the right front guide shaft 272, the first suction disc 273, the second suction disc 274, the rear suction disc seat 280, the left rear guide shaft 281, the right rear guide shaft 282, the third suction disc 283, the fourth suction disc 284, the mounting block 290, the sliding block 291, and the third guide rail 293. DETAILED DESCRIPTION

[0018] The utility model will be further explained below in combination with specific embodiments. It should be understood that the following embodiments are only used for explaining the utility model and are not used for limiting the range of the utility model.

[0019] Embodiment 1

[0020] Figure 1 It is the overall structure schematic view of the utility model. Figure 2 It is the structure schematic view of the bag opening horizontal movement structure of the utility model. Figure 3 It is the structure schematic view of the servo bag opening mechanism of the utility model. Figure 4 It is the rear view of the utility model.

[0021] As Figures 1-4 shown, a synchronous bag opening mechanism, comprising: bag opening horizontal movement structure 100 and servo bag opening mechanism 200, bag opening horizontal movement structure 100 is connected with servo bag opening mechanism 200;

[0022] The opening bag horizontal moving structure 100 comprises a first mounting base 101, a shaft coupling 102, a first servo motor 103, a first rotating shaft 110, a first guide rail mounting plate 120, a first guide rail 121, a first sliding block 122 and a first sliding block connecting plate 123. The first mounting base 101 is fixedly connected with the first servo motor 103. One end of the first rotating shaft 110 is connected with the shaft coupling 102 through the first guide rail mounting plate 120. The bottom of the first guide rail 121 is connected with the first guide rail mounting plate 120. The first sliding block 122 is connected with the first sliding block connecting plate 123. The first sliding block 122 and the first sliding block connecting plate 123 are located at one end of the first guide rail 121. The first sliding block 122 and the first sliding block connecting plate 123 are connected with the first guide rail mounting plate 120.

[0023] The servo bag opening mechanism 200 comprises a first pressing plate 201, a second pressing plate 202, a shaft sleeve base 203, a second servo motor 210, a second mounting base 211, a swing arm 212, a joint bearing 213, a connecting piece 214, a guide rail 215, a second guide rail mounting plate 220, a second guide rail 221, a second sliding block 222, a second sliding block connecting plate 223, a drag chain 230, a front bearing seat 240, a rear bearing seat 241, a first bag opening joint bearing 242, a second rotating shaft 243, a rotating arm 244, a connecting plate 245, a cam follower 246, a second bag opening joint bearing 247, an upper connecting shaft plate 250, a lower connecting shaft plate 251, a screw nut 252, an end cover 253, a bearing 254, a third mounting base 260, a left air pipe clamping block 261, a right air pipe clamping block 262, a front suction disc seat 270, a left front guide shaft 271, a right front guide shaft 272, a first suction disc 273, a second suction disc 274, a rear suction disc seat 280, a left rear guide shaft 281, a right rear guide shaft 282, a third suction disc 283, a fourth suction disc 284, a mounting block 290, a sliding block 291, a third guide rail 293, the first pressing plate 201 and the second pressing plate 202 are connected with the shaft sleeve base 203, the shaft sleeve base 203 is fixedly connected with the mounting block 290, the second servo motor 210 is fixedly connected with the second mounting base 211, the rotating shaft of the second servo motor 210 is connected with the upper part of the swing arm 212, the lower part of the swing arm 212 is connected with one end of the joint bearing 213, the other end of the joint bearing 213 is connected with the connecting piece 214, the connecting piece 214 is fixed on the guide rail 215, the bottom of the second guide rail 221 is connected with the second guide rail mounting plate 220, the second sliding block 222 is connected with the second sliding block connecting plate 223, the second sliding block 222 and the second sliding block connecting plate 223 are located at one end of the second guide rail 221, the second sliding block 222 and the second sliding block connecting plate 223 are connected with the second guide rail mounting plate 220, the drag chain 230 is connected with the guide rail 215, the front bearing seat 240 is connected with one end of the second rotating shaft 243, the other end of the second rotating shaft 243 passes through the rotating arm 244 and is connected with the rear bearing seat 241, one end of the first bag opening joint bearing 242 is connected with the rotating arm 244, the other end of the first bag opening joint bearing 242 is connected with the connecting plate 245, the cam follower 246 is connected with the connecting plate 245, the second bag opening joint bearing 247 is connected with the bottom of the rotating arm 244, the upper end of the upper connecting shaft plate 250 is connected with the connecting plate 245, the upper connecting shaft plate 250 is connected with the left front guide shaft 271 and the right front guide shaft 272, the lower connecting shaft plate 251 is connected with the left rear guide shaft 281 and the right rear guide shaft 282, the first rotating shaft 110 passes through the screw nut 252 in the mounting block 290 and is connected with the bearing 254, the bearing 254 is clamped in the second guide rail mounting plate 220, the end cover 253 is connected with the bearing 254 and the second guide rail mounting plate 220, the third mounting base 260 is fixedly connected with the shaft sleeve base 203, the left air pipe clamping block 261 and the right air pipe clamping block 262 are fixed at two ends of the third mounting base 260 respectively, the front suction disc seat 270 is connected with the left front guide shaft 271 and the right front guide shaft 272,The first suction disc 273 and the second suction disc 274 are connected with the front suction disc seat 270, the rear suction disc seat 280 is connected with the left rear guide shaft 281 and the right rear guide shaft 282, the third suction disc 283 and the fourth suction disc 284 are connected with the rear suction disc seat 280, the upper portion of the mounting block 290 is fixedly connected with the shaft sleeve seat 203, the lower portion of the mounting block 290 is connected with the upper portion of the sliding block 291, and the lower portion of the sliding block 291 is connected with the third guide rail 293.

[0024] The principle of the utility model is that in the bag opening horizontal moving structure 100, the first servo motor 103 starts to drive the first rotating shaft 110 to rotate, the first rotating shaft 110 drives the whole structure to move linearly along the first guide rail 121 through the shaft coupling 102, the displacement of the structure in the horizontal direction is realized, and the position required for opening the bag is adjusted.

[0025] In the servo bag opening mechanism 200, the second servo motor 210 is started to drive the swing arm 212 to rotate, the rotation of the swing arm 212 is transmitted to the connecting piece 214 through the joint bearing 213, the rotary motion is converted into linear motion, the guide rail 215 moves along the second guide rail 221, and at this time, the drag chain 230 moves along with it, thereby assisting the smooth operation of the whole structure.

[0026] With the continuous rotation of the second servo motor 210, the swing arm 212 further drives the rotating arm 244 to rotate, the rotating arm 244 rotates and transmits force to the connecting plate 245 through the cam follower 246, and then drives the upper connecting shaft plate 250 and the lower connecting shaft plate 251 and the left front guide shaft 271, the right front guide shaft 272, the left rear guide shaft 281 and the right rear guide shaft 282 to work, at this time, the upper connecting shaft plate 250 and the lower connecting shaft plate 251 guide the front suction disc seat 270, the rear suction disc seat 280, the left air pipe clamp block 261 and the right air pipe clamp block 262 to participate in assisting, the front suction disc seat 270 and the rear suction disc seat 280 move to the predetermined position, and the grabbing or releasing action is carried out, at the same time, the left air pipe clamp block 261 and the right air pipe clamp block 262 control the air flow in and out, cooperate with the opening and closing process, and intelligently work.

[0027] In summary, the utility model constructs an efficient power transmission system through the servo motor and the shaft coupling, ensures the precise translation of the bag opening structure, and improves the operation efficiency; the servo bag opening mechanism adopts the rotary-to-linear motion conversion technology, enhances the controllability and flexibility of the bag opening process, and provides a strong foundation for automatic operation; the guide rail system and the drag chain are used to ensure the smooth bag opening process, reduce the error caused by vibration, and optimize the product quality; the cam follower and the multi-axis work together, which is conducive to improving the bag opening precision, cooperating with the synchronous air flow regulation, strengthening the automatic process, and improving the continuity and consistency of the operation; the modular design optimizes the assembly and maintenance of the internal structure of the device, facilitates the assembly and later maintenance of the device, reduces the downtime and maintenance cost, and ensures the stable operation of the system.

[0028] The specific embodiments of the present application are described above, but the present application is not limited thereto, and various changes can be made to the present application without departing from the spirit of the present application.

Claims

1. A synchronized bag opening mechanism characterized by, The utility model relates to a horizontal moving structure (100) and servo bag opening mechanism (200) are connected to the bag opening mechanism, and the bag opening mechanism includes the horizontal moving structure (100) and servo bag opening mechanism (200). The utility model relates to a horizontal moving structure (100) and servo bag opening mechanism (200) are connected to the bag opening mechanism, and the bag opening mechanism includes the horizontal moving structure (100) and servo bag opening mechanism (200). ​ 2. A synchronized bag opening mechanism according to claim 1, wherein, The servo bag opening mechanism (200) comprises a first pressing plate (201), a second pressing plate (202), a shaft sleeve seat (203), a second servo motor (210), a second mounting seat (211), a swing arm (212), a joint bearing (213), a connecting piece (214), a guide rail (215), a second guide rail mounting plate (220), a second guide rail (221), a second sliding block (222), a second sliding block connecting plate (223), a drag chain (230), a front bearing seat (240), a rear bearing seat (241), a first bag opening joint bearing (242), a second rotating shaft (243), a rotating arm (244), a connecting plate (245), a cam follower (246), a second bag opening joint bearing (247), an upper connecting shaft plate (250), a lower connecting shaft plate (251), a screw nut (252), an end cover (253), a bearing (254), a third mounting seat (260), a left air pipe clamping block (261), a right air pipe clamping block (262), a front suction disc seat (270), a left front guide shaft (271), a right front guide shaft (272), a first suction disc (273), a second suction disc (274), a rear suction disc seat (280), a left rear guide shaft (281), a right rear guide shaft (282), a third suction disc (283), a fourth suction disc (284), a mounting block (290), a sliding block (291), a third guide rail (293), the first pressing plate (201) and the second pressing plate (202) are connected with the shaft sleeve seat (203), the shaft sleeve seat (203) is fixedly connected with the mounting block (290), the second servo motor (210) is fixedly connected with the second mounting seat (211), the rotating shaft of the second servo motor (210) is connected with the upper part of the swing arm (212), the lower part of the swing arm (212) is connected with one end of the joint bearing (213), the other end of the joint bearing (213) is connected with the connecting piece (214), the connecting piece (214) is fixed on the guide rail (215), the bottom of the second guide rail (221) is connected with the second guide rail mounting plate (220), the second sliding block (222) is connected with the second sliding block connecting plate (223), the second sliding block (222) and the second sliding block connecting plate (223) are located at one end of the second guide rail (221), the second sliding block (222) and the second sliding block connecting plate (223) are connected with the second guide rail mounting plate (220), the drag chain (230) is connected with the guide rail (215), the front bearing seat (240) is connected with one end of the second rotating shaft (243), the other end of the second rotating shaft (243) penetrates through the rotating arm (244) and is connected with the rear bearing seat (241), one end of the first bag opening joint bearing (242) is connected with the rotating arm (244), the other end of the first bag opening joint bearing (242) is connected with the connecting plate (245), the cam follower (246) is connected with the connecting plate (245), the second bag opening joint bearing (247) is connected with the bottom of the rotating arm (244), the upper end of the upper connecting shaft plate (250) is connected with the connecting plate (245),The upper connecting shaft plate (250) is connected with the left front guide shaft (271) and the right front guide shaft (272), the lower connecting shaft plate (251) is connected with the left rear guide shaft (281) and the right rear guide shaft (282), the first rotating shaft (110) is connected with the bearing (254) through the screw nut (252) in the mounting block (290), the bearing (254) is clamped in the second guide rail mounting plate (220), the end cover (253) is connected with the bearing (254) and the second guide rail mounting plate (220), the third mounting seat (260) is fixedly connected with the shaft sleeve base (203), the left trachea clamping block (261) and the right trachea clamping block (262) are fixed at two ends of the third mounting seat (260) respectively, the front suction disc seat (270) is connected with the left front guide shaft (271) and the right front guide shaft (272), the first suction disc (273) and the second suction disc (274) are connected with the front suction disc seat (270), the rear suction disc seat (280) is connected with the left rear guide shaft (281) and the right rear guide shaft (282), the third suction disc (283) and the fourth suction disc (284) are connected with the rear suction disc seat (280), the upper portion of the mounting block (290) is fixedly connected with the shaft sleeve base (203), the lower portion of the mounting block (290) is connected with the upper portion of the sliding block (291), and the lower portion of the sliding block (291) is connected with the third guide rail (293).