Bag lifting device and precise automatic sealing equipment

Abstract

The invention discloses a bag lifting device and precise automatic sealing equipment, the bag lifting device is used for lifting a packaging bag with an opening turned outwards in a box body, and the bag lifting device comprises a plurality of pushing and lifting assemblies capable of pushing the packaging bag upwards along the vertical corner angle of the box body; the first adjusting mechanism bears the pushing and lifting assemblies and can drive the multiple pushing and lifting assemblies to be adjusted to be matched with the length and the width of the box body; the synchronous lifting mechanisms are arranged on the two sides of the conveying line respectively, each side is correspondingly provided with one first adjusting mechanism, and the synchronous lifting mechanisms can synchronously drive the first adjusting mechanisms on the two sides to reciprocate in the vertical direction. According to the bag lifting device, synchronous driving of the multiple pushing and lifting assemblies can be achieved by arranging the synchronous lifting mechanism, and the problem that packaging bags are prone to being damaged due to the fact that the pushing and lifting assemblies move irregularly is solved. And the first adjusting mechanism is further arranged to adapt to the specification of the box body to adjust the position of the pushing and lifting assembly, and box bodies of different specifications can be compatible.

Description

Technical Field

[0001] The present application generally relates to the technical field of packaging automation equipment, and in particular, to a bag lifting device and a precise automatic sealing device. Background Art

[0002] With the booming development of global trade and the continuous upgrading of the manufacturing industry, packaging automation equipment is increasingly being used in various industrial fields. It has shown significant advantages in improving packaging efficiency, reducing labor costs, and ensuring the stability of packaging quality, and has become an indispensable key component in modern logistics and production.

[0003] The packaging requirements in the production process of display products often include boxes and packaging bags of various specifications. However, most of the existing technologies are only for specific specifications or can only adapt to a very small range of specifications, resulting in the need to invest in different equipment or jigs according to different specifications, which is costly. Therefore, how to adapt to different specifications and sizes during the packaging bag lifting operation is an important issue that needs to be solved. Summary of the invention

[0004] A main purpose of the present application is to provide a bag lifting device and a precise automatic sealing device. By arranging a synchronous lifting mechanism and a first adjustment mechanism in the bag lifting device, the pushing components can be operated synchronously and can adapt to boxes of different specifications, thereby at least to a certain extent overcoming one or more problems caused by the limitations and defects of the relevant technology.

[0005] In order to achieve the above application purpose, this application adopts the following technical solutions: According to one aspect of the present application, a bag lifting device is provided for lifting a packaging bag with an opening turned outward in a box, the bag lifting device comprising: a plurality of pushing assemblies capable of pushing the packaging bag upward along the vertical edges of the box; a first adjusting mechanism carrying the pushing assemblies and capable of driving the plurality of pushing assemblies to adjust to fit the length and width of the box; a synchronous lifting mechanism respectively arranged on both sides of the conveyor line, and each side is respectively provided with a corresponding first adjusting mechanism, the synchronous lifting mechanism being capable of synchronously driving the first adjusting mechanisms on both sides to reciprocate in the vertical direction.

[0006] According to one embodiment of the present application, the synchronous lifting mechanism includes a lifting drive assembly and a synchronous belt assembly respectively arranged on both sides of the conveyor line, the synchronous belt assembly is arranged in a vertical direction, the lifting drive assembly is connected to the synchronous belt assembly on one side, and the synchronous belt assemblies on both sides are connected by a connecting rod.

[0007] According to one embodiment of the present application, the synchronous belt assembly includes a belt and pulleys respectively arranged at the upper and lower ends, the belt cooperates with the pulleys, a fixing clip is provided on the belt, and the fixing clip is fixed on the first adjustment mechanism.

[0008] According to one embodiment of the present application, the first adjustment mechanism includes: a connecting bracket, on which the fixing clamp is installed; a third double slider screw, which carries the pushing assembly and can adjust the distance between the two pushing assemblies on the same side to adapt to the length of the box along the conveying direction; a transverse drive assembly, the output end of which is connected to the third double slider screw and can drive the third double slider screw to linearly reciprocate in the transverse direction.

[0009] According to one embodiment of the present application, the transverse drive assembly includes a transverse drive member, a belt assembly and a mounting seat, the belt assembly is installed on the connecting bracket, the belt assembly is connected to the mounting seat and can drive the mounting seat to reciprocate in the transverse direction, the transverse drive member is installed on the mounting seat, and the output end of the transverse drive member can directly drive the third double slider screw to reciprocate in the transverse direction.

[0010] According to one embodiment of the present application, the belt assembly includes a mounting bracket, a slide rail is provided on the top of the mounting bracket, the mounting seat is connected to the belt assembly through a belt fixing clamp, and the mounting seat cooperates with the slide rail.

[0011] According to one embodiment of the present application, each of the first adjustment mechanisms is configured with a pair of the push-up assemblies, and the push-up assemblies on both sides can respectively correspond to the four vertical corners of the matching box.

[0012] According to one embodiment of the present application, the push-up assembly includes a pair of push-up members, which are respectively used to cooperate with two adjacent side surfaces corresponding to a vertical edge of the box body, and the top of the push-up member is provided with a supporting portion bent away from the side surface of the box body.

[0013] According to one embodiment of the present application, the pushing assembly includes a bent straw.

[0014] According to another aspect of the present application, a precise automatic sealing device is provided, comprising the above-mentioned bag lifting device, a conveyor line and a docking device, wherein the conveyor line is provided with at least a first workstation, the docking device can stop the box at the first workstation, and the bag lifting device is correspondingly arranged at the first workstation to lift the packaging bag with the opening inside the box turned outward.

[0015] In the present application, the bag lifting device can achieve synchronous driving of multiple push-up components by setting a synchronous lifting mechanism, avoiding the problem of uneven movement of the push-up components that easily damages the packaging bags. A first adjustment mechanism is also provided to adjust the position of the push-up component to adapt to the specifications of the box, which can be compatible with boxes of different specifications, greatly improving the economic benefits of the equipment.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and other features and advantages of the present application will become more apparent by describing in detail example embodiments thereof with reference to the attached drawings.

[0018] Figure 1 is a schematic structural diagram of an automatic sealing device according to an exemplary embodiment; Figure 2 yes Figure 1 Schematic diagram of the structure of the automatic sealing device behind the hidden shell; Figure 3 is a schematic structural diagram of a bag carrying device according to an exemplary embodiment; Figure 4 is a schematic structural diagram of a first adjustment mechanism according to an exemplary embodiment.

[0019] The reference numerals are described as follows: 100, automatic sealing equipment; 101, housing; 102, equipment bracket; 10, conveyor line; 20, docking device; 30, bag lifting device; 40, vacuum device; 50, sealing device; 60, bag pressing device; 31, pushing assembly; 32, first adjustment mechanism; 33, synchronous lifting mechanism; 331, lifting drive assembly; 332, synchronous belt assembly; 333, connecting rod; 321, connecting bracket; 323, third double slider screw; 322, lateral drive assembly; 3221, lateral drive member; 3222, belt assembly; 3223, mounting seat; 3224, mounting bracket. DETAILED DESCRIPTION

[0020] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this application will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted.

[0021] Referring to FIGS. 1 to 4 , in one embodiment, the automatic sealing device 100 includes a conveyor line 10, a docking device 20, a bag lifting device 30, an air extraction device 40, a sealing device 50 and a bag pressing device 60. The conveyor line 10 is provided with a first station and a second station. The first station can be provided with a docking device 20, an air extraction device 40 and a sealing device 50, and the second station can be provided with a bag pressing device 60. The docking device 20 is embedded in the conveyor line 10, the bag lifting device 30 is provided on both sides of the conveyor line 10, and the air extraction device 40 and the sealing device 50 are provided above the conveyor line 10. The bag pressing device 60 is provided above the conveyor line 10. When the box body is stopped at the first station by the docking device 20, the packaging bag can be lifted, vacuumized, and heat-sealed in sequence, and then flow into the second station to be pressed by the bag pressing device 60. The operation is smooth and the rhythm is reasonable, which improves the work efficiency. Of course, it can be understood that the automatic sealing device 100 can also include an equipment bracket 102 for carrying various devices, and the conveyor line 10 and various devices can be arranged in a housing 101.

[0022] See also Figures 2 to 4 In one embodiment, the bag lifting device 30 includes a plurality of push-up components 31, a first adjustment mechanism 32 and a synchronous lifting mechanism 33. The plurality of push-up components 31 can push the packaging bag upward along the vertical edges and corners of the box. The first adjustment mechanism 32 carries the push-up components 31 and can drive the plurality of push-up components 31 to adjust to the length and width of the box. The synchronous lifting mechanism 33 is respectively arranged on both sides of the conveyor line 10, and each side is respectively correspondingly arranged with a first adjustment mechanism 32. The synchronous lifting mechanism 33 can synchronously drive the first adjustment mechanisms 32 on both sides to reciprocate in the vertical direction.

[0023] In a specific embodiment, the synchronous lifting mechanism 33 includes a lifting drive assembly 331 and a synchronous belt assembly 332, and the synchronous belts are respectively arranged on both sides of the conveyor line 10. The synchronous belt assembly 332 is arranged in the vertical direction, and the lifting drive assembly 331 is connected to the synchronous belt assembly 332 on one side, and the synchronous belt assemblies 332 on both sides are connected by a connecting rod 333. The synchronous belt assembly 332 includes a belt and pulleys respectively arranged at the upper and lower ends, and the belt cooperates with the pulley. A fixing clip is arranged on the belt, and the fixing clip is fixed on the first adjustment mechanism 32. The lifting drive assembly 331 can adopt an electric motor, and the output end of the lifting drive assembly 331 is connected to the primary synchronous belt assembly 332 by means of gear meshing, a pulley assembly, etc. After the lifting drive assembly 331 is started, the synchronous belt assemblies 332 on both sides move synchronously, so that the first adjustment mechanisms 32 on both sides can be driven to move synchronously.

[0024] In a specific embodiment, the first adjustment mechanism 32 includes a connecting bracket 321, a third double slider screw rod 323 and a transverse driving assembly 322. The connecting bracket 321 is installed with a fixing clamp, and the connecting bracket 321 is connected to the synchronous lifting mechanism 33 through the fixing clamp. The slider of the third double slider screw rod 323 carries the push-up assembly 31, and can adjust the spacing between the two push-up assemblies 31 on the same side to adapt to the length of the box along the conveying direction. The output end of the transverse driving assembly 322 is connected to the third double slider screw rod 323, and can drive the third double slider screw rod 323 to linearly reciprocate in the transverse direction. The third double slider screw rod 323 can drive the two push-up assemblies 31 to move closer to each other or apart from each other, and the transverse driving assembly 322 can drive the third double slider screw rod 323 and the push-up assembly 31 to reciprocate in the transverse direction. Therefore, the first adjustment mechanism can realize the adjustment of the push-up assembly 31 in the conveying direction and the transverse direction, and adapt to the width and length of different specifications of the box.

[0025] In a specific implementation, the transverse drive assembly 322 includes a transverse drive member 3221, a belt assembly 3222, and a mounting seat 3223. The belt assembly 3222 is mounted on the connecting bracket 321, the belt assembly 3222 is connected to the mounting seat 3223 and can drive the mounting seat 3223 to reciprocate in the transverse direction, the transverse drive member 3221 is mounted on the mounting seat 3223, and the output end of the transverse drive member 3221 can directly drive the third double slider screw 323 to reciprocate in the transverse direction. By setting the belt assembly 3222 and the transverse drive member 3221 to perform two-stage adjustment in the transverse direction, on the one hand, it can adapt to a wider range of box specifications, and on the other hand, it improves the accuracy of adjustment.

[0026] Preferably, the belt assembly 3222 includes a mounting bracket 3224, a slide rail is provided on the top of the mounting bracket 3224, the mounting seat 3223 is connected to the belt assembly 3222 through a belt fixing clip, and the mounting seat 3223 cooperates with the slide rail. The use of the belt assembly 3222 and the slide rail can make the lateral adjustment operation more stable and avoid damage to the box.

[0027] In a specific embodiment, the structure of the third double slider screw rod 323 is similar to that of the first double slider screw rod 221, and can be understood with reference to the structure of the first double slider screw rod 221. A push-up assembly 31 is respectively provided on the two slide seats of the third double slider screw rod 323, and the push-up assemblies 31 on both sides of the conveyor line 10 can respectively correspond to the four vertical corners of the box body. Preferably, the push-up assembly 31 includes a pair of push-up members, and the pair of push-up members are respectively used to cooperate with the adjacent two side surfaces corresponding to a vertical corner of the box body, and the top of the push-up member is provided with a supporting portion bent away from the side surface of the box body.

[0028] In another embodiment, the push-up assembly 31 includes a bent straw, which can suck the packaging bag and lift the packaging bag up as the push-up assembly 31 rises. The suction of the straw can prevent the packaging bag from being directly rubbed by the board or hard parts.

[0029] In the embodiment, the box moves to the first workstation, and the docking device 20 feeds back the measured width and length of the box to the control system. The control system then controls the first adjustment mechanism 32 to drive the pushing assembly 42 to a position that matches the specifications of the box, and again controls the synchronous lifting mechanism 33 to drive the pushing assembly 42 to move upward, thereby pulling the packaging bag upward.

[0030] In the application examples, the terms "matching", "connection" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in the application examples can be understood according to specific circumstances.

[0031] The above are only preferred embodiments of the application embodiments and are not intended to limit the application embodiments. For those skilled in the art, the application embodiments may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application embodiments shall be included in the protection scope of the application embodiments.

Claims

1. A bag lifting device, used for lifting a packaging bag with an opening turned outward in a box, characterized in that: include: A plurality of push-up components capable of pushing the packaging bag upward along the vertical edges and corners of the box body; A first adjustment mechanism, which carries the pushing assembly and is capable of driving a plurality of the pushing assemblies to adjust to fit the length and width of the box; The synchronous lifting mechanism is respectively arranged on both sides of the conveying line, and each side is respectively correspondingly arranged with a first adjusting mechanism. The synchronous lifting mechanism can synchronously drive the first adjusting mechanisms on both sides to reciprocate in the vertical direction.

2. The bag carrying device according to claim 1, characterized in that: The synchronous lifting mechanism includes a lifting drive assembly and synchronous belt assemblies respectively arranged on both sides of the conveyor line. The synchronous belt assemblies are arranged in a vertical direction. The lifting drive assembly is connected to the synchronous belt assembly on one side, and the synchronous belt assemblies on both sides are connected by a connecting rod.

3. The bag carrying device according to claim 2, characterized in that: The synchronous belt assembly includes a belt and pulleys respectively arranged at the upper and lower ends, the belt cooperates with the pulleys, a fixing clip is arranged on the belt, and the fixing clip is fixed on the first adjustment mechanism.

4. The bag carrying device according to claim 1, characterized in that: The first adjustment mechanism comprises: A connecting bracket, on which the fixing clip is installed; The third double-slider screw rod carries the push-up assembly and can adjust the distance between the two push-up assemblies on the same side to adapt to the length of the box along the conveying direction; A transverse drive assembly, the output end of which is connected to the third double-slider screw rod and is capable of driving the third double-slider screw rod to perform linear reciprocating motion in a transverse direction.

5. The bag carrying device according to claim 4, characterized in that: The transverse drive assembly includes a transverse drive member, a belt assembly and a mounting seat. The belt assembly is installed on the connecting bracket. The belt assembly is connected to the mounting seat and can drive the mounting seat to reciprocate in the transverse direction. The transverse drive member is installed on the mounting seat. The output end of the transverse drive member can directly drive the third double slider screw to reciprocate in the transverse direction.

6. The bag carrying device according to claim 5, characterized in that: The belt assembly comprises a mounting bracket, a slide rail is arranged on the top of the mounting bracket, the mounting seat is connected to the belt assembly through a belt fixing clip, and the mounting seat cooperates with the slide rail.

7. The bag carrying device according to claim 1, characterized in that: Each of the first adjustment mechanisms is configured with a pair of the push-up components, and the push-up components on both sides can respectively correspond to the four vertical corners of the box body.

8. The bag carrying device according to claim 7, characterized in that: The push-up assembly includes a pair of push-up members, which are respectively used to cooperate with two adjacent side surfaces corresponding to a vertical corner of the box body, and the top of the push-up member is provided with a supporting portion bent away from the side surface of the box body.

9. The method according to claim 7, wherein: The push-up assembly includes a bent straw.

10. A precise automatic sealing device, characterized in that: It comprises the bag lifting device, conveyor line and docking device as described in any one of claims 1 to 9, wherein at least a first workstation is arranged on the conveyor line, the docking device can stop the box at the first workstation, and the bag lifting device is correspondingly arranged at the first workstation to lift the packaging bag with the opening inside the box turned outward.

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