Fully automatic heat-sealing machine for medical sterile packaging

Abstract

The present invention discloses a fully automatic heat-sealing machine for medical sterile packaging, which includes a feeding and conveying device, an inner box heat-sealing device, an outer box heat-sealing device and a rotating material-taking device. The feeding and conveying device includes an inner box feeding and conveying device and an outer box feeding and conveying device, and the length of the inner box conveying device is less than that of the outer box conveying device. The inner box heat-sealing device includes a turntable, an inner box jaw assembly, an inner box paper card material-taking device, a heating head and a cold knife assembly, and the inner box jaw assembly is located above the inner box feeding and conveying device. The outer box heat-sealing device includes a turntable, an outer box jaw assembly, an outer box paper card material-taking device, a heating head and a discharging device, and the outer box jaw assembly is arranged at the end of the outer box feeding and conveying device. The rotating material-taking device is arranged between the two turntables of the inner box heat-sealing device and the outer box heat-sealing device. The present invention creatively heat-seals and packages at least two box bodies simultaneously at one time, greatly reducing the number of operators, improving the efficiency, and ensuring stable quality at the same time.

Description

Technical Field

[0001] The present invention relates to the field of packaging machines, and specifically to a fully automatic heat-sealing machine for medical sterile packaging. Background Art

[0002] In the current market, the heat-sealing of sterile packaging commonly used is generally for single-product heat-sealing. By replacing the molds and adding equipment of different sizes, molds for heat-sealing and packaging products of multiple specifications and sizes are achieved. Excessive equipment and molds not only occupy a large area of the site, but also greatly increase the number of operators required when multiple pieces of equipment work simultaneously, resulting in continuously increasing costs. The market is gradually developing towards the direction of unmanned management. Reducing labor and improving efficiency are the primary problems in sterile packaging production. Summary of the Invention

[0003] The present invention discloses a fully automatic heat-sealing machine for medical sterile packaging, which creatively heat-seals and packages at least 2 boxes simultaneously at one time. The entire process requires only 1-2 people, greatly reducing the number of operators, improving efficiency, and ensuring stable quality at the same time.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0005] The present invention discloses a fully automatic heat-sealing machine for medical sterile packaging, including a feeding and conveying device, an inner box heat-sealing device, an outer box heat-sealing device, and a rotating material-taking device.

[0006] The feeding and conveying device includes an inner box feeding and conveying device and an outer box feeding and conveying device. The inner box feeding and conveying device is located above the outer box conveying device, and the length of the inner box conveying device is less than that of the outer box conveying device.

[0007] The inner box heat-sealing device includes a turntable, an inner box jaw assembly, an inner box paper card material-taking device, a heating head, and a cold knife assembly. The inner box jaw assembly is located above the inner box feeding and conveying device, and the inner box jaw assembly, the inner box paper card material-taking device, the heating head, and the cold knife assembly are sequentially distributed above the turntable.

[0008] The outer box heat-sealing device includes a turntable, an outer box jaw assembly, an outer box paper card material-taking device, a heating head, and a discharging device. The outer box jaw assembly, the outer box paper card material-taking device, the heating head, and the discharging device are sequentially arranged above the turntable, and the outer box jaw assembly is arranged at the end of the outer box feeding and conveying device.

[0009] The rotating material-taking device is arranged between the two turntables of the inner box heat-sealing device and the outer box heat-sealing device.

[0010] Further, the outer box feeding and conveying device includes an outer box conveying frame, on which several conveying belts are installed. On both sides of the upper end of the outer box conveying frame, several guardrail fixing seats are installed. At the top of the guardrail fixing seats, a horizontal guardrail is installed. At the front end of the guardrail, a guard edge is installed. The outer box is located between the two guard edges;

[0011] At the tail of the outer box conveying frame, an outer box feeding baffle and two outer box feeding guard plates are installed. The outer box feeding guard plates are located on both sides of the outer box feeding baffle; On one side of the upper end of the outer box conveying frame, a blocking cylinder is installed, and at the output end of the blocking cylinder, an outer box material blocking guide sleeve is installed; On the upper end of the outer box conveying frame, several crossbeam supports are installed, and two parallel upper pressing strips are installed between the two crossbeam supports.

[0012] Further, the inner box feeding and conveying device includes an inner box conveying frame, on which several conveying belts are installed. The inner box conveying frame is installed at the upper end of the outer box conveying frame. At the upper end of the inner box conveying frame, several crossbeam supports are installed. At the lower end of the crossbeam supports, several intermediate guard edges are provided. The intermediate guard edges are located at the upper end of the conveyor belt. At the tail of the inner box conveying frame, an inner box feeding baffle fixing plate is installed, on which two inner box feeding baffles are installed. At both ends of the inner box feeding baffle fixing plate, inner box guard edges are installed. Both ends of the outer box conveying frame extend beyond both ends of the inner box conveying frame.

[0013] Further, the inner box jaw assembly includes two groups of jaws. Each group of jaws is installed at the end of the jaw fixing plate. The jaw fixing plate is installed at the bottom of the pneumatic chuck. The top of the pneumatic chuck is installed below the cylinder support. The upper end of the cylinder support is installed on the rotary cylinder. The rotary cylinder is installed on the rotary cylinder fixing seat. The rotary cylinder fixing seat is installed on the single-axis robot. The top of the single-axis robot is installed on the inner box main frame.

[0014] Further, the turntable of the inner box heat-sealing device is arranged inside the inner box main frame. The lower end of the turntable is installed on the divider. Several lower molds are placed on the turntable in a circumferential distribution. The inner box paper card picking device includes a paper card lifting device and an inner box paper card moving and feeding device. The top of the inner box paper card moving and feeding device is installed on the inner box main frame.

[0015] Further, the rotary material taking device includes a horizontal guide rail and a vertical guide rail. A sliding plate is installed above the horizontal guide rail, and the vertical guide rail is installed on the sliding plate. The bottom of the sliding plate is connected to a lead screw nut, and the lead screw nut is connected to a lead screw. A lead screw is provided in the middle of the vertical guide rail. A rotary base plate is installed on the vertical guide rail, a rotary base is installed on the rotary base plate, a main bearing seat of the host is installed on the rotary base, a rotary motor bracket is installed on the main bearing seat of the host, a rotary axis is installed at the top of the main bearing seat of the host, a main shaft synchronous pulley is installed on the rotary axis, a servo motor is installed on the rotary motor bracket, a synchronous pulley is installed at the output end of the servo motor, a belt is provided between the main shaft synchronous pulley and the synchronous pulley, a cantilever is installed at the top of the rotary axis, a rotary cylinder is installed at the end of the cantilever, a transition plate is installed at the output end of the rotary cylinder, two vertical cylinders are respectively installed on both sides of the lower end of the transition plate, a suction cup fixing plate is installed at the output end of the vertical cylinder, and a plurality of suction cups are installed at the lower end of the suction cup fixing plate.

[0016] Further, the discharging device includes a rodless cylinder. A vertically arranged three-axis cylinder mounting plate is installed at the output end of the rodless cylinder. A three-axis cylinder is installed on the three-axis cylinder mounting plate. The output end of the three-axis cylinder is connected to a rotary cylinder fixing plate. A rotary cylinder is installed at the bottom of the rotary cylinder fixing plate. A suction cup mounting plate is installed at the output end of the rotary cylinder. A suction cup adjusting plate is installed at the lower end of the suction cup mounting plate. A plurality of suction cups are installed at the bottom of the suction cup adjusting plate.

[0017] Further, a discharging conveyor is installed at the rear end of the rodless cylinder.

[0018] The beneficial effects of the present invention are as follows:

[0019] The present invention can convey the inner box and the outer box simultaneously, which are conveyed respectively by the inner box feeding and conveying device and the outer box feeding and conveying device, and then full-automatic operation is carried out. After the inner box is heat-sealed by the inner box heat-sealing device, it is grabbed by the rotary material taking device and sent to the outer box heat-sealing device for final heat-sealing. When all are completed, the packaging box is conveyed to the discharging conveyor. Only 1-2 persons are required for the whole process, which greatly reduces the number of operators, improves the efficiency, and ensures the stable quality at the same time. Description of the Drawings

[0020] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

[0021] Figure 1 It is a schematic diagram of an embodiment of the present invention.

[0022] Figure 2 It is a partial schematic diagram of an embodiment of the present invention.

[0023] Figure 3 It is a schematic diagram of the feeding and conveying device of an embodiment of the present invention.

[0024] Figure 4 Schematic diagram of the outer box feeding and conveying device according to an embodiment of the present invention.

[0025] Figure 5 is Figure 4 The enlarged schematic diagram at position A in

[0026] Figure 6 Schematic diagram of the inner box feeding and conveying device according to an embodiment of the present invention.

[0027] Figure 7 is Figure 6 The enlarged schematic diagram at position B in

[0028] Figure 8 Schematic diagram of the inner box heat-sealing device according to an embodiment of the present invention.

[0029] Figure 9 Partial schematic diagram of the inner box heat-sealing device according to an embodiment of the present invention.

[0030] Figure 10 Schematic diagram of the inner box jaw assembly according to an embodiment of the present invention.

[0031] Figure 11 Partial schematic diagram according to an embodiment of the present invention.

[0032] Figure 12 Partial schematic diagram of the outer box heat-sealing device according to an embodiment of the present invention.

[0033] Figure 13 Schematic diagram of the rotary material taking device according to an embodiment of the present invention.

[0034] Figure 14 Schematic diagram of the discharging device according to an embodiment of the present invention. Detailed implementation manners

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Usually, the components of the embodiments of the present invention described and shown in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but only represents the selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts fall within the scope of protection of the present invention.

[0036] As shown in the figure, the present invention discloses a fully automatic heat-sealing machine for medical sterile packaging, including a feeding and conveying device 1, an inner box heat-sealing device 2, an outer box heat-sealing device 3, and a rotary material taking device 4.

[0037] The feeding and conveying device 1 includes an inner box feeding and conveying device 11 and an outer box feeding and conveying device 12. The inner box feeding and conveying device 11 is located above the outer box conveying device 12, and the length of the inner box conveying device 11 is less than that of the outer box conveying device 12;

[0038] The inner box heat-sealing device 2 includes a turntable 21, an inner box jaw assembly 22, an inner box paper card picking device 23, a heating head 24 and a cold knife assembly 25. The inner box jaw assembly 22 is located above the inner box feeding and conveying device 11, and the inner box jaw assembly 22, the inner box paper card picking device 23, the heating head 24 and the cold knife assembly 25 are sequentially distributed above the turntable 21;

[0039] The outer box heat-sealing device 3 includes a turntable 21, an outer box jaw assembly 31, an outer box paper card picking device 32, a heating head 24 and a discharging device 33. The outer box jaw assembly 31, the outer box paper card picking device 32, the heating head 24 and the discharging device 33 are sequentially arranged above the turntable 21, and the outer box jaw assembly 31 is arranged at the end of the outer box feeding and conveying device 32;

[0040] The rotary picking device 4 is arranged between the two turntables 21 of the inner box heat-sealing device 2 and the outer box heat-sealing device 3.

[0041] The present experimental new model designs a feeding and conveying device 1, which can convey the inner box and the outer box simultaneously. The inner box is conveyed by the inner box feeding and conveying device 11, and the outer box is conveyed by the outer box conveying device 12. The inner box first enters the inner box heat-sealing device 2 for heat-sealing, then the outer box enters the outer box heat-sealing device 3. The outer box rotates a certain angle on the turntable, and then the rotary picking device 4 places the heat-sealed inner box on the outer box, and then after installing the cover, heat-sealing is carried out to complete the final processing, and finally it is conveyed out and enters the next working station. The traditional heat-sealing machine can only perform separate heat-sealing on the inner box first, and then carry it to the outer box for heat-sealing, with cumbersome processes and low efficiency.

[0042] In an embodiment of the present invention, the outer box feeding and conveying device 12 includes an outer box conveying frame 121. A plurality of conveying belts 122 are installed on the outer box conveying frame 121. A plurality of guardrail fixing seats 123 are installed on both sides of the upper end of the outer box conveying frame 121. A horizontal guardrail 124 is installed on the top of the guardrail fixing seat 123. A guard edge 125 is installed at the front end of the guardrail 124. The outer box 5 is located between the two guard edges 125; the distance between the two guard edges 125 can be adjusted to be applicable to products of various sizes.

[0043] At the tail of the outer box conveying frame 121, an outer box feeding baffle 126 and two outer box feeding guard plates 127 are installed. The outer box feeding guard plates 1271 are located on both sides of the outer box feeding baffle 126. On one side of the upper end of the outer box conveying frame 121, a blocking cylinder 128 is installed, and an outer box material blocking guide sleeve 129 is installed at the output end of the blocking cylinder 128. On the upper end of the outer box conveying frame 121, several crossbeam brackets 1210 are installed, and two parallel upper pressing strips 1211 are installed between the two crossbeam brackets 1210. When it is necessary to transfer the outer box, the blocking cylinder 128 works to block the subsequent outer boxes, and the conveying belt 122 does not need to stop, greatly improving the working efficiency.

[0044] In an embodiment of the present invention, the inner box feeding and conveying device 11 includes an inner box conveying frame 111. Several conveying belts 122 are installed on the inner box conveying frame 111. The inner box conveying frame 111 is installed at the upper end of the outer box conveying frame 121. Several crossbeam brackets 1210 are installed at the upper end of the inner box conveying frame 111. At the lower end of the crossbeam brackets 1210, several intermediate edge guards 112 are provided. The intermediate edge guards 112 are located at the upper end of the conveyor belt 122. At the tail of the inner box conveying frame 111, an inner box feeding baffle fixing plate 113 is installed. Two inner box feeding baffles 114 are installed on the inner box feeding baffle fixing plate. Inner box edge guards 115 are installed at both ends of the inner box feeding baffle fixing plate 113. Both ends of the outer box conveying frame extend beyond both ends of the inner box conveying frame. Here, two inner boxes can be conveyed simultaneously in the horizontal direction.

[0045] In an embodiment of the present invention, the inner box jaw assembly 22 includes two groups of jaws 221. Each group of jaws 221 is installed at the end of a jaw fixing plate 222. The jaw fixing plate 222 is installed at the bottom of a pneumatic chuck 223. The top of the pneumatic chuck 223 is installed below a cylinder bracket 224. The upper end of the cylinder bracket 224 is installed on a rotary cylinder 225. The rotary cylinder 225 is installed on a rotary cylinder fixing seat 226. The rotary cylinder fixing seat 226 is installed on a single-axis robot 227. The top of the single-axis robot is installed on the inner box main frame 26. After grasping the inner box, the position of the inner box is rotated by the rotary cylinder so that the inner box corresponds to the position of the mold.

[0046] The turntable 21 of the inner box heat-sealing device is arranged inside the inner box main frame 26. The lower end of the turntable 21 is installed on a divider 27. The divider 27 drives the turntable 21 to rotate. Several lower molds 28 distributed circumferentially are placed on the turntable 21. Outer boxes are placed inside the lower molds 28. The inner box paper card picking device 23 includes a paper card lifting device 231 and an inner box paper card moving and feeding device 232. The top of the inner box paper card moving and feeding device 232 is installed on the inner box main frame 26. The paper card lifting device 231 is used to place the sealing paper. The inner box paper card moving and feeding device 232 grabs the sealing paper and places it on the top of the outer box, and then the outer box enters below the heating head 24 for heat-sealing.

[0047] In an embodiment of the present invention, the rotary material taking device 4 includes a horizontal guide rail 41 and a vertical guide rail 42. A sliding plate 43 is installed above the horizontal guide rail 41, and the vertical guide rail 42 is installed on the sliding plate 43. The bottom of the sliding plate 43 is connected to a lead screw nut, and the lead screw nut is connected to a lead screw 44. A lead screw 44 is provided in the middle of the vertical guide rail 42. A rotary base plate 45 is installed on the vertical guide rail 42, a rotary base 46 is installed on the rotary base plate 45, a main bearing seat 47 is installed on the rotary base 46, a rotary motor bracket 48 is installed on the main bearing seat 47, a rotary axis 49 is installed at the top of the main bearing seat 47, a main shaft synchronous pulley 410 is installed on the rotary axis 49, a servo motor 411 is installed on the rotary motor bracket 48, a synchronous pulley 412 is installed at the output end of the servo motor 411, a belt 413 is provided between the main shaft synchronous pulley 410 and the synchronous pulley 412, a cantilever 414 is installed at the top of the rotary axis 49, a rotary cylinder 225 is installed at the end of the cantilever 414, a transition plate 415 is installed at the output end of the rotary cylinder, two vertical cylinders 416 are respectively installed on both sides of the lower end of the transition plate 415, a suction cup fixing plate 417 is installed at the output end of the vertical cylinder 416, and a plurality of suction cups 418 are installed at the lower end of the suction cup fixing plate 417. The rotary material taking device 4 drives the cantilever to rotate, sucks the heat-sealed inner box from the inner box heat-sealing device 2 by means of the suction cups, and then places the inner box into the outer box by rotating the cantilever.

[0048] In an embodiment of the present invention, the discharging device 33 includes a rodless cylinder 331. A vertically arranged three-axis cylinder mounting plate 332 is installed at the output end of the rodless cylinder 331. A three-axis cylinder 333 is installed on the three-axis cylinder mounting plate 332. The output end of the three-axis cylinder 333 is connected to a rotary cylinder fixing plate 334. A rotary cylinder 225 is installed at the bottom of the rotary cylinder fixing plate. A suction cup mounting plate 335 is installed at the output end of the rotary cylinder. A suction cup adjusting plate 336 is installed at the lower end of the suction cup mounting plate 335. A plurality of suction cups 418 are installed at the bottom of the suction cup adjusting plate. The suction cups 418 here grab the box body that has completed packaging to the discharging conveyor 7 for discharging.

[0049] A discharging conveyor 7 is installed at the rear end of the rodless cylinder 331.

[0050] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A fully automatic heat-sealing machine for medical sterile packaging, characterized in that, It includes a feeding and conveying device, an inner box heat-sealing device, an outer box heat-sealing device and a rotary material-taking device. The feeding and conveying device includes an inner box feeding and conveying device and an outer box feeding and conveying device. The inner box feeding and conveying device is located above the outer box conveying device, and the length of the inner box conveying device is less than that of the outer box conveying device. The inner box heat-sealing device includes a turntable, an inner box jaw assembly, an inner box paper card material-taking device, a heating head and a cold knife assembly. The inner box jaw assembly is located above the inner box feeding and conveying device, and the inner box jaw assembly, the inner box paper card material-taking device, the heating head and the cold knife assembly are sequentially distributed above the turntable. The outer box heat-sealing device includes a turntable, an outer box jaw assembly, an outer box paper card material-taking device, a heating head and a discharging device. The outer box jaw assembly, the outer box paper card material-taking device, the heating head and the discharging device are sequentially arranged above the turntable, and the outer box jaw assembly is arranged at the end of the outer box feeding and conveying device. The rotary material-taking device is arranged between the two turntables of the inner box heat-sealing device and the outer box heat-sealing device. The outer box feeding and conveying device includes an outer box conveying frame, on which several conveying belts are installed. On both sides of the upper end of the outer box conveying frame, several guardrail fixing seats are installed. At the top of the guardrail fixing seats, a horizontal guardrail is installed. At the front end of the guardrail, a side guard is installed. The outer box is located between the two side guards. At the tail of the outer box conveying frame, an outer box feeding baffle and two outer box feeding guard plates are installed. The outer box feeding guard plates are located on both sides of the outer box feeding baffle. On one side of the upper end of the outer box conveying frame, a blocking cylinder is installed, and at the output end of the blocking cylinder, an outer box material-blocking and guiding sleeve is installed. On the upper end of the outer box conveying frame, several crossbeam brackets are installed, and two parallel upper pressing strips are installed between the two crossbeam brackets. The inner box feeding and conveying device includes an inner box conveying frame, on which several conveying belts are installed. The inner box conveying frame is installed at the upper end of the outer box conveying frame. At the upper end of the inner box conveying frame, several crossbeam brackets are installed. At the lower end of the crossbeam brackets, several intermediate side guards are arranged, and the intermediate side guards are located at the upper end of the conveyor belt. At the tail of the inner box conveying frame, an inner box feeding baffle fixing plate is installed, on which two inner box feeding baffles are installed. At both ends of the inner box feeding baffle fixing plate, inner box side guards are installed. Both ends of the outer box conveying frame extend beyond both ends of the inner box conveying frame. The rotary material taking device includes a horizontal guide rail and a vertical guide rail. Above the horizontal guide rail, a sliding plate is installed. The vertical guide rail is installed on the sliding plate. The bottom of the sliding plate is connected to a lead screw nut, and the lead screw nut is connected to a lead screw. A lead screw is provided in the middle of the vertical guide rail. A rotary base plate is installed on the vertical guide rail, a rotary base is installed on the rotary base plate, a main machine bearing seat is installed on the rotary base, a rotary motor bracket is installed on the main machine bearing seat, a rotary axis is installed at the top of the main machine bearing seat, a main shaft synchronous pulley is installed on the rotary axis, a servo motor is installed on the rotary motor bracket, a synchronous pulley is installed at the output end of the servo motor, a belt is provided between the main shaft synchronous pulley and the synchronous pulley, a cantilever is installed at the top of the rotary axis, a rotary cylinder is installed at the end of the cantilever, a transition plate is installed at the output end of the rotary cylinder, two vertical cylinders are respectively installed on both sides of the lower end of the transition plate, a suction cup fixing plate is installed at the output end of the vertical cylinder, and a plurality of suction cups are installed at the lower end of the suction cup fixing plate.

2. The fully automatic heat sealer for medical sterile packaging according to claim 1, wherein The inner box jaw assembly includes two groups of jaws. Each group of jaws is installed at the end of a jaw fixing plate. The jaw fixing plate is installed at the bottom of a pneumatic chuck. The top of the pneumatic chuck is installed below a cylinder bracket. The upper end of the cylinder bracket is installed on a rotary cylinder. The rotary cylinder is installed on a rotary cylinder fixing seat. The rotary cylinder fixing seat is installed on a single-axis robot. The top of the single-axis robot is installed on the inner box main frame.

3. The fully automatic heat-sealing machine for medical sterile packaging according to claim 1, wherein The turntable of the inner box heat sealing device is arranged inside the inner box main frame. The lower end of the turntable is installed on a divider. A number of lower molds distributed in a circle are placed on the turntable. The inner box paper card material taking device includes a paper card lifting device and an inner box paper card moving and feeding device. The top of the inner box paper card moving and feeding device is installed on the inner box main frame.

4. The fully automatic heat sealer for medical sterile packaging according to claim 1, wherein, The discharging device includes a rodless cylinder. The output end of the rodless cylinder is installed with a vertically arranged three-axis cylinder mounting plate. A three-axis cylinder is installed on the three-axis cylinder mounting plate. The output end of the three-axis cylinder is connected to a rotary cylinder fixing plate. A rotary cylinder is installed at the bottom of the rotary cylinder fixing plate. The output end of the rotary cylinder is installed with a suction cup mounting plate. A suction cup adjusting plate is installed at the lower end of the suction cup mounting plate. A number of suction cups are installed at the bottom of the suction cup adjusting plate.

5. The fully automatic heat sealer for medical sterile packaging according to claim 4, characterized in that, A discharging conveyor is installed at the rear end of the rodless cylinder.

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