Transverse four-position suction cup servo bag opening mechanism

Abstract

The utility model relates to the technical field of bag opening machines, and discloses a transverse four-position suction cup servo bag opening machine, an upper suction cup assembly is used for adsorbing and positioning the surface of a bag opening from the position above the bag opening, and the upper suction cup assembly comprises four upper vacuum suction cups arranged transversely and a suction cup mounting plate C; the lower suction cup assembly is used for conducting suction positioning on the bottom face of the bag opening from the position below the bag opening. The lower suction cup assembly comprises four lower vacuum suction cups, a suction cup mounting plate A and a suction cup mounting plate B; the driving mechanism is a servo lead screw linear module and used for driving the upper suction cup assembly to ascend and descend so that the upper vacuum suction cup can be lowered to the surface of the bag opening or driving the upper vacuum suction cup to move upwards to open the bag opening. Servo screw rod linear module driving and four-station suction cup design are adopted, and the performance of the bag opening mechanism is remarkably improved. The former realizes accurate position control, stable movement, flexibility, adjustability and high repetition precision, and the latter enhances the adsorption force, adapts to different bag characteristics and improves the bag opening reliability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bag opening machine, specifically relates to a transverse four-position sucking disc servo bag opening mechanism. BACKGROUND

[0002] In the packaging industry, bag opening operation is a key link, and its efficiency and quality directly affect the operation effect of the whole packaging production line. The traditional bag opening mechanism usually adopts cylinder driving, and the bag opening is completed by positioning and opening the bag opening of the bag through the sucking disc. The commonly seen sucking disc is transverse two-station, that is, a small number of sucking discs are used to complete the bag opening operation.

[0003] With the continuous development of the packaging industry, the performance requirements of the bag opening mechanism are getting higher and higher. On the one hand, various bags of different sizes, materials and weights appear on the market, such as bags with uneven surfaces, soft materials or easy deformation. The traditional bag opening mechanism is difficult to adapt to the characteristics of these bags, resulting in a decrease in the success rate of bag opening. On the other hand, in order to improve production efficiency, enterprises need the bag opening mechanism to handle more bags in a shorter time.

[0004] The traditional bag opening mechanism adopts cylinder driving, which is difficult to realize accurate position control. In the bag opening process, it is difficult to accurately lower the sucking disc to the surface of the bag opening, and it is also difficult to accurately control the distance of upward movement to open the bag opening, which may cause the problem of bag opening due to inaccurate positioning, affecting the success rate of bag opening. Cylinder driving is prone to vibration and impact during movement, which cannot guarantee the stability of the sucking disc during lifting. This makes the opening process of the bag opening not smooth enough, increasing the risk of bag shaking and displacement, and thus reducing the success rate and efficiency of bag opening. In a large number of bag opening operations, cylinder driving is difficult to ensure the consistency of each bag opening operation, and the repeated positioning accuracy is low. In addition, the traditional transverse two-station sucking disc setting has relatively small suction area and suction force, which is difficult to provide sufficient suction force to firmly fix the bag opening for some bags with uneven surfaces, soft materials or easy deformation, which may cause the bags to slip or shift, affecting the bag opening effect. Two-station sucking disc can only handle a small number of bags at a time, and the amount of bag opening operation completed in the same time is relatively small, which cannot meet the requirement of high efficiency of modern packaging production.

[0005] In view of this, we propose a transverse four-position sucking disc servo bag opening mechanism to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The present application aims to solve the technical problems in the prior art that the bag opening mechanism adopts cylinder driving and two-station sucking disc setting, the cylinder driving has poor positioning accuracy, unstable movement, low flexibility, poor bag opening consistency, and other problems, which cannot meet the bag opening requirements of different bags; the two-station sucking disc has limited suction force and adaptability, resulting in low bag opening reliability and low production efficiency.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of transverse four-position suction cup servo bag opening mechanism, comprising:

[0008] Upper suction cup assembly is used to be adsorbed and positioned from the upper bag mouth surface, and upper suction cup assembly includes four upper vacuum suction cups which are set transversely at equal distance and suction cup mounting plate C for installing four upper vacuum suction cups;

[0009] Lower suction cup assembly is used to be adsorbed and positioned from the lower bag mouth bottom surface, and lower suction cup assembly includes four lower vacuum suction cups which are set transversely at equal distance and vertically correspond to each upper vacuum suction cup below and suction cup mounting plate A and suction cup mounting plate B for installing and fixing four lower vacuum suction cups;

[0010] Driving mechanism is servo lead screw linear module, for driving upper suction cup assembly to lift to make upper vacuum suction cup drop to bag mouth surface or drive upper vacuum suction cup to move up and open bag mouth.

[0011] As preferred, servo lead screw linear module includes by motor mounting seat, lower support and vertical installation shell enclose'type support, two ends are rotatably connected with motor mounting seat, lower support and are driven by servo reduction motor vertical lead screw, nut seat is transmissionally connected with vertical lead screw, sliding block mounting seat is fixedly connected with nut seat and is fixedly connected with lifting block, two guide rails are installed between'type support, guide sliding block is fixedly connected with lifting block and cooperates guide rail and guides sliding.

[0012] As preferred, the bottom of lifting block is fixedly provided with suction cup base mounting plate below lower support, and suction cup base mounting plate is fixedly connected with suction cup mounting plate C through suction cup base connecting plate.

[0013] As preferred, servo reduction motor is fixedly installed on motor mounting seat, vertical lead screw is driven to rotate by servo reduction motor, and nut seat, sliding block mounting seat, guide sliding block and lifting block are driven to lift movement;

[0014] When lifting block lifts, suction cup base mounting plate, suction cup base connecting plate, suction cup mounting plate C and upper vacuum suction cup are driven to lift.

[0015] As preferred, vertical installation shell is fixedly installed on module mounting plate, and module mounting plate is installed between two servo bag opening mechanism mounting plates.

[0016] As preferred, the front side of two servo bag opening mechanism mounting plates is provided with cushion block, and the rear side is provided with fixed plate.

[0017] Compared with prior art, the technical effect and advantage of the utility model are:

[0018] Compared with the traditional cylinder driving, the servo motor of the servo screw linear module can accurately control the rotation angle and number of turns of the screw rod according to the preset program, thereby accurately controlling the lifting position of the upper suction disc assembly. During the bag opening process, the upper suction disc assembly can be accurately lowered to the surface of the bag opening, and the upward movement distance can be accurately controlled to open the bag opening, avoiding the problem of bag opening due to inaccurate positioning, and improving the success rate of bag opening. The screw transmission has high transmission accuracy and rigidity, so that the movement process of the servo screw linear module is more stable, reducing vibration and impact. This ensures that the upper suction disc assembly remains stable during lifting, making the opening process of the bag opening more smooth, further improving the success rate and efficiency of bag opening. By adjusting the parameters of the servo motor, the lifting speed, acceleration and other motion parameters of the upper suction disc assembly can be easily changed to adapt to the bag opening requirements of bags of different sizes, materials and weights. The speed and stroke adjustment of the traditional cylinder driving is relatively difficult, and the flexibility is poor. In a large number of bag opening operations, the servo screw linear module can ensure the consistency of each bag opening operation, with high repeat positioning accuracy. This is very important for improving product quality and production efficiency, reducing subsequent packaging problems caused by inconsistent bag opening.

[0019] The four upper vacuum suction discs of the upper suction disc assembly simultaneously adsorb the surface of the bag opening, increasing the adsorption area and adsorption force, and can more firmly fix the surface of the bag opening to prevent the bag from slipping or shifting. The equal-distance transverse arrangement ensures that the surface of the bag opening is uniformly stressed, avoiding deformation or rupture of the bag opening due to uneven local stress, and ensuring the integrity of the bag and the bag opening effect. The four lower vacuum suction discs of the lower suction disc assembly work cooperatively with the upper suction disc assembly to simultaneously adsorb and position from the upper and lower surfaces of the bag opening, further increasing the adsorption force on the bottom surface of the bag opening, improving the fixing stability of the bag, reducing the shaking and shifting of the bag during the bag opening process, and ensuring the accuracy and reliability of the bag opening operation.

[0020] The four-position suction disc arranged in the transverse direction ensures that even if all four lower vacuum suction discs are detached, the adsorption of the four upper vacuum suction discs can still ensure the success of the bag opening. This redundant design increases the reliability of the bag opening process and reduces the risk of bag opening failure. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the utility model;

[0022] Figure 2 is a structural schematic view of the utility model Figure 1 with the lifting block removed;

[0023] Figure 3 is an exploded view of the utility model.

[0024] In the drawings:

[0025] 1. upper suction disc assembly; 11. upper vacuum suction disc; 12. suction disc mounting plate C;

[0026] 2. lower suction disc assembly; 21. lower vacuum suction disc; 22. suction disc mounting plate A; 23. suction disc mounting plate B;

[0027] 3. servo-screw linear module; 31. motor mounting seat; 32. lower support; 33. vertical mounting shell; 34. vertical screw; 35. nut seat; 36. lifting block; 37. sliding block mounting seat; 38. guide rail; 39. guide sliding block;

[0028] 4. suction disc base mounting plate; 5. suction disc base connecting plate; 6. module mounting plate; 7. servo-bag opening mechanism mounting plate; 8. cushion block; 9. fixed plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] The following will be described in detail Figures 1 to 3 The present application,

[0031] The embodiments of the present application disclose a transverse four-position suction disc servo-bag opening mechanism, which comprises an upper suction disc assembly 1 for adsorbing and positioning the surface of a bag opening from above the bag opening, a lower suction disc assembly 2 for adsorbing and positioning the bottom surface of the bag opening from below the bag opening, and a driving mechanism. The driving mechanism adopts a servo-screw linear module, and the driving mechanism is used to drive the upper suction disc assembly 1 to lower or lift the upper suction disc assembly 1 to open the bag opening.

[0032] The servo-screw linear module 3 is used as the driving mechanism, and compared with the traditional cylinder driving, the servo-screw linear module 3 can realize accurate position control. The servo motor can accurately control the rotation angle and the number of turns of the screw rod according to the preset program, so as to accurately control the lifting position of the upper suction disc assembly 1. In the bag opening process, the upper suction disc assembly 1 can be accurately lowered to the surface of the bag opening, and the lifting distance can be accurately controlled to open the bag opening, thereby avoiding the problem of bag opening caused by inaccurate positioning.

[0033] The movement process of the servo screw linear module 3 is more stable, reducing vibration and impact. The screw transmission has high transmission precision and rigidity, which can ensure that the upper suction disc assembly 1 remains stable during lifting, making the opening process of the bag mouth more smooth, and improving the success rate and efficiency of bag opening. By adjusting the parameters of the servo motor, the lifting speed, acceleration and other motion parameters of the upper suction disc assembly 1 can be easily changed to adapt to the opening requirements of bags of different sizes, materials and weights. The speed and stroke adjustment of the air cylinder is relatively difficult and has poor flexibility. In a large number of bag opening operations, the servo screw linear module 3 can ensure the consistency of each bag opening operation and has high repeat positioning accuracy. This is very important for improving product quality and production efficiency, and reducing subsequent packaging problems caused by inconsistent bag opening.

[0034] The upper suction disc assembly 1 includes four upper vacuum suction discs 11 arranged equidistantly and transversely, and a suction disc mounting plate C12 for mounting the four upper vacuum suction discs 11;

[0035] The four upper vacuum suction discs 11 can simultaneously adsorb the surface of the bag mouth, increasing the adsorption area and adsorption force compared to a single or two suction discs, which can more firmly fix the surface of the bag mouth, prevent the bag from slipping or shifting during bag opening, and improve the success rate of bag opening. The four upper vacuum suction discs 11 arranged equidistantly and transversely can evenly distribute the force on the surface of the bag mouth, avoiding deformation or rupture of the bag mouth due to uneven local force, and ensuring the integrity of the bag and the bag opening effect. The suction disc mounting plate C12 provides a unified mounting platform for the four upper vacuum suction discs 11, facilitating the installation, debugging and replacement of the suction discs. At the same time, it is also convenient for cleaning and maintaining the suction discs, prolonging the service life of the suction discs.

[0036] The lower suction disc assembly 2 includes four lower vacuum suction discs 21 arranged equidistantly and transversely one by one vertically corresponding to each upper vacuum suction disc 11 below, and suction disc mounting plate A22 and suction disc mounting plate B23 for mounting and fixing the four lower vacuum suction discs 21;

[0037] The four lower vacuum suction discs 21 are vertically corresponding to each upper vacuum suction disc 11 below, which can work cooperatively with the upper suction disc assembly 1 to simultaneously adsorb and position from the upper and lower surfaces of the bag mouth, making the opening of the bag mouth more smooth. The adsorption force on the bottom surface of the bag mouth is increased, further improving the fixing stability of the bag, reducing the shaking and shifting of the bag during bag opening, and ensuring the accuracy and reliability of the bag opening operation. The suction disc mounting plate A22 and the suction disc mounting plate B23 provide a stable mounting structure for the lower vacuum suction discs 21, facilitating overall installation and disassembly, and being conducive to equipment assembly, debugging and maintenance.

[0038] The servo-screw linear module 3 comprises a U-shaped support formed by the motor mounting seat 31, the lower support 32 and the vertical mounting shell 33, a vertical screw 34 rotatably connected with the motor mounting seat 31 and the lower support 32 at two ends and driven by a servo-reduction motor, a nut seat 35 in transmission connection with the vertical screw 34, a sliding block mounting seat 37 fixedly connected with the nut seat 35 and fixedly connected with a lifting block 36, two guide rails 38 installed between the U-shaped support, and a guide sliding block 39 fixedly connected with the lifting block 36 and guided to slide with the guide rails 38.

[0039] The bottom of the lifting block 36 is fixedly installed with a suction cup base mounting plate 4 located below the lower support 32, and the suction cup base mounting plate 4 is fixedly connected with a suction cup mounting plate C12 through a suction cup base connecting plate 5.

[0040] The servo-reduction motor is fixedly installed on the motor mounting seat 31 and drives the vertical screw 34 to rotate through the servo-reduction motor, thereby driving the nut seat 35, the sliding block mounting seat 37, the guide sliding block 39 and the lifting block 36 to perform lifting movement.

[0041] When the lifting block 36 performs lifting movement, the suction cup base mounting plate 4, the suction cup base connecting plate 5, the suction cup mounting plate C12 and the upper vacuum suction cup 11 are driven to perform lifting movement.

[0042] The U-shaped support formed by the motor mounting seat 31, the lower support 32 and the vertical mounting shell 33 provides stable support structure for the entire module, ensures the installation accuracy and stability of the screw, motor and other components, and reduces vibration and deformation during movement. The vertical screw 34 cooperates with the servo-reduction motor to convert the rotary motion of the motor into the linear motion of the nut seat 35, has the advantages of high transmission efficiency, high precision and strong carrying capacity, and can accurately realize the lifting movement of the upper suction cup assembly 1.

[0043] The cooperation of the two guide rails 38 and the guide sliding block 39 provides accurate guidance for the lifting movement of the lifting block 36, ensures the straightness and stability of the upper suction cup assembly 1 during lifting, and avoids the opening bag problem caused by movement deviation. The fixed connection between the nut seat 35, the sliding block mounting seat 37, the guide sliding block 39 and the lifting block 36 enables them to move synchronously, ensures the consistency and coordination of the lifting action of the upper suction cup assembly 1, and improves the working efficiency and reliability of the opening bag mechanism.

[0044] The vertical mounting shell 33 is fixedly installed on the module mounting plate 6, and the module mounting plate 6 is installed between two servo-opening bag mechanism mounting plates 7. The front side of the two servo-opening bag mechanism mounting plates 7 is provided with a cushion block 8, and the rear side is provided with a fixed plate 9.

[0045] The vertical installation shell 33 is fixedly installed on the module installation plate 6, and the module installation plate 6 is installed between the two servo bag opening mechanism installation plates 7. This multi-layer installation structure provides a stable installation basis for the servo lead screw linear module 3, and facilitates the installation of the entire bag opening mechanism to a suitable position of the packaging equipment.

[0046] The front side of the two servo bag opening mechanism installation plates 7 is provided with a cushion block 8, and the rear side is provided with a fixed plate 9, which can further enhance the structural stability of the entire bag opening mechanism, reduce shaking and displacement caused by vibration and external force, and ensure the accuracy and reliability of the bag opening operation.

[0047] The traditional two-station suction cup is set in the horizontal direction, and now a four-station suction cup is set in the horizontal direction. Even if the last four lower vacuum suction cups 21 are detached, the suction effect of the four upper vacuum suction cups 11 can still ensure the success of the bag opening. This redundant design increases the reliability of the bag opening process and reduces the risk of bag opening failure caused by the detachment of the suction cup. For some bags with uneven surfaces, soft or easily deformed materials, the four-station suction cup can better adapt to the shape and characteristics of the bag, improve the suction effect, and ensure the smooth operation of the bag opening operation. The four-station suction cup can handle more bags at the same time, and compared with the traditional two-station suction cup, it can complete more bag opening operations in the same time, improving the production efficiency.

[0048] The horizontal four-station suction cup servo bag opening mechanism, the four upper vacuum suction cups 11 in the upper suction cup assembly 1 are set horizontally and equidistantly above the bag opening, and the four lower vacuum suction cups 21 in the lower suction cup assembly 2 are set horizontally and equidistantly below each upper vacuum suction cup 11, which can be used for positioning and fixing the bag opening. The driving mechanism adopts a servo lead screw linear module 3, and the servo reduction motor is installed on the motor mounting seat 31. When the servo reduction motor is started, the vertical screw rod 34 is driven to rotate. Since the nut seat 35 is in transmission connection with the vertical screw rod 34, the rotation of the screw rod drives the nut seat 35 to move linearly. The nut seat 35 is fixedly connected with the sliding block mounting seat 37, and the sliding block mounting seat 37 is fixedly connected with the lifting block 36. The lifting block 36 is fixedly connected with the guide sliding block 39 matched with the guide rail 38. Under the accurate guidance of the two guide rails 38, the linear motion of the nut seat 35 drives the sliding block mounting seat 37, the guide sliding block 39 and the lifting block 36 to move stably. During the bag opening, the upper suction cup assembly 1 is first lowered to the surface of the bag opening, and then the driving mechanism drives the upper suction cup assembly 1 to move upward, thereby opening the bag opening.

[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A transverse four-position suction cup servo bag opening mechanism characterized by, The application relates to a servo bag opening mechanism. The servo bag opening mechanism comprises an upper suction disc assembly (1) for adsorbing and positioning the surface of a bag opening from above, the upper suction disc assembly (1) comprising four upper vacuum suction discs (11) arranged equidistantly and transversely and a suction disc mounting plate C (12) for mounting the four upper vacuum suction discs (11); a lower suction disc assembly (2) for adsorbing and positioning the bottom surface of the bag opening from below, the lower suction disc assembly (2) comprising four lower vacuum suction discs (21) arranged equidistantly and transversely and vertically corresponding to the lower side of each upper vacuum suction disc (11), a suction disc mounting plate A (22) and a suction disc mounting plate B (23) for mounting and fixing the four lower vacuum suction discs (21); and a driving mechanism, which is a servo screw rod linear module (3) for driving the upper suction disc assembly (1) to ascend and descend so as to make the upper vacuum suction discs (11) to descend to the surface of the bag opening or to drive the upper vacuum suction discs (11) to ascend to open the bag opening. The servo screw rod linear module (3) comprises a type-enclosed support frame formed by a motor mounting base (31), a lower support base (32) and a vertical mounting shell (33), a vertical screw rod (34) rotatably connected with the motor mounting base (31) and the lower support base (32) at two ends and driven by a servo speed reducer motor, a nut base (35) in transmission connection with the vertical screw rod (34), a sliding block mounting base (37) fixedly connected with the nut base (35) and fixedly connected with a lifting block (36), two guide rails (38) mounted between the type-enclosed support frame, and a guide sliding block (39) fixedly connected with the lifting block (36) and guided and slid in cooperation with the guide rails (38). The bottom of the lifting block (36) is fixedly provided with a suction disc base mounting plate (4) located below the lower support base (32), and the suction disc base mounting plate (4) is fixedly connected with the suction disc mounting plate C (12) through a suction disc base connecting plate (5).

2. A transverse four-position suction cup bag opening mechanism according to claim 1, characterized in that: The servo speed reducer motor is fixedly mounted on the motor mounting base (31) and drives the vertical screw rod (34) to rotate, thereby driving the nut base (35), the sliding block mounting base (37), the guide sliding block (39) and the lifting block (36) to perform lifting movement.

3. A transverse four-position suction cup bag opening mechanism according to claim 2, characterized in that: When the lifting block (36) performs lifting movement, the suction disc base mounting plate (4), the suction disc base connecting plate (5), the suction disc mounting plate C (12) and the upper vacuum suction discs (11) are driven to perform lifting movement.

4. A transverse four-position suction cup bag opening mechanism according to claim 3, characterized in that: The vertical mounting shell (33) is fixedly mounted on a module mounting plate (6), and the module mounting plate (6) is mounted between two servo bag opening mechanism mounting plates (7). The front side of the two servo bag opening mechanism mounting plates (7) is provided with a cushion block (8), and the rear side is provided with a fixed plate (9).

5. A transverse four-position suction cup bag opening mechanism according to claim 2, characterized in that: ​ 6. A transverse four-position suction cup bag opening mechanism according to claim 5, characterized in that: ​

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