Tank cover rolling thermal shrinkage device

Abstract

The utility model relates to a can cover rolling thermal shrinkage device which comprises a rack, a conveying assembly is arranged on the rack, a top heat sealing assembly and a side edge heat sealing assembly are installed above the conveying assembly, the top heat sealing assembly achieves the circumferential heat sealing effect, and the side edge heat sealing assembly achieves the edge heat sealing effect. The first chain is arranged to drive the conveying rollers to convey, the fixed chain wheels are arranged on the conveying rollers, the conveying rollers in the middle are driven to rotate through the matching mode of the fixed chain wheels and the second chain, in-situ rotation of the can cover is facilitated, hot air from the upper portion can blow along the periphery of the can cover, and the conveying efficiency is improved. The movable frame is used for driving the pressing wheels at the bottom to compact the rotating tank cover pile, meanwhile, the second air outlet holes formed in the bottom of the movable frame are used for conducting hot air packaging on the two sides of the tank cover pile, manual operation is not needed, the working steps are reduced, and the heat sealing step is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to zip -lock can packaging cover processing equipment technical field, especially in a can cover rolling heat shrinkage device. BACKGROUND

[0002] Zip -lock can packaging cover needs to carry out can cover heat sealing packaging after processing, generally speaking, heat sealing packaging is all a bunch of can cover superposition and then carries out processing, and the existing heat sealing packaging device can only realize one -sided first packaging then through artificial or mechanical and carries out the second heat sealing after adjusting, because a bunch of combined can cover carries out heat sealing and needs to heat seal the whole arc surface and two end parts, therefore needs to carry out twice adjusting operation in the processing process, if not once heat sealing forming equipment will make the whole operation become complicated. For this reason, the utility model provides a kind of can cover rolling heat shrinkage device to solve the above-mentioned problems. SUMMARY

[0003] (1) technical problem to be solved

[0004] The utility model provides a kind of can cover rolling heat shrinkage device, overcome the shortcoming that the hot air packaging equipment in prior art needs multiple adjusting operations when heat sealing cylindrical material.

[0005] (2) technical scheme

[0006] In order to solve the above technical problems, the utility model provides a kind of can cover rolling heat shrinkage device, including rack, the rack is provided with conveying assembly, the top of conveying assembly is equipped with top heat sealing assembly and side heat sealing assembly;

[0007] The conveying assembly includes first driving sprocket and first driven sprocket installed on the rack, the first driving sprocket and the first driven sprocket are connected by first chain, the first chain is connected with a plurality of conveying rollers for conveying, the inner side of conveying roller is provided with fixed sprocket, the inner side of first chain is provided with second chain, the second chain is driven to convey by second driving sprocket and second driven sprocket, the upper end of second chain is embedded in the rotating gear of fixed sprocket corresponding to the embedded part;

[0008] The top heat sealing assembly includes support, the support is installed with gas source and gas collecting cylinder connection, the downward direction of gas collecting cylinder is equipped with first air outlet hole;

[0009] The side heat sealing assembly includes two moving frames perpendicular to the conveying direction, the moving frame is provided with L shape, the bottom end of moving frame is provided with air inlet hole, the side of moving frame towards interior is provided with second air outlet hole.

[0010] Preferably, the conveying roller is provided with a fixed sprocket on both sides, and the left and right sides of the frame are symmetrically provided with a second chain cooperating with the fixed sprocket.

[0011] Preferably, the upper end of the second chain is upwardly supported by a support boss and forms an isosceles trapezoidal shape.

[0012] Preferably, the moving frame is installed on the bracket to slide, the bracket is provided with a telescopic cylinder, the movable end of the telescopic cylinder is connected with the moving frame and drives the moving frame to extend or retract towards the direction perpendicular to the conveying direction of the frame.

[0013] Preferably, the air inlet hole is connected with an air source above the bracket through an air pipe.

[0014] Preferably, the side of the moving frame towards the inside is provided with a compression wheel.

[0015] Preferably, the compression wheel is provided with at least two, and the second air outlet hole is arranged between the plurality of compression wheels.

[0016] Preferably, the conveying assembly is provided with two symmetrically installed limiting clamping plates, the limiting clamping plates are arranged in a "H" shape, and the limiting clamping plates are provided with a matching opening for the compression wheel to pass through.

[0017] Preferably, the distance between the two limiting clamping plates is the length of a group of stacked can covers.

[0018] Preferably, the limiting clamping plates are adjustably arranged on the frame by screw connection.

[0019] (3)Beneficial effects

[0020] The utility model provides a kind of can cover rolling heat shrinkage device, overcome the shortcomings that the hot air packaging equipment needs multiple direction adjusting operations when heat sealing cylindrical material in prior art.Compared with prior art, the utility model has the following beneficial effects:

[0021] 1, by setting first chain drives conveying roller to convey, to drive the can cover that is sent into hot air packaging area in heap, it is provided with fixed sprocket on conveying roller, by the cooperation of fixed sprocket and second chain, drive the rotation of the middle part of conveying roller, it is convenient for can cover to rotate and roll in situ, down air hot air can be blown along the periphery of can cover, realize the effect of periphery hot air;

[0022] 2. By setting the movable moving frame on the support, the bottom compression wheel is driven by the moving frame to compact the can cover pile in rotation rolling, and the second air outlet hole at the bottom of the moving frame is used to heat seal the two sides of the can cover pile, so that the effect of integrated heat sealing of the periphery and the two sides is realized, manual operation is not required, the working steps are reduced, and the heat sealing step is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is a right view of the utility model; Figure 1

[0025] Figure 3 It is a top view of the utility model; Figure 1

[0026] Figure 4 It is a structure schematic diagram of B-B direction in the utility model; Figure 2

[0027] Figure 5 It is an enlarged structure schematic diagram of A part in the utility model; Figure 1

[0028] Figure 6 It is an enlarged structure schematic diagram of side heat sealing assembly part.

[0029] The reference signs are:

[0030] Rack (100);

[0031] Conveying assembly (200), first driving sprocket (201), first driven sprocket (202), first chain (203), conveying roller (204), fixed sprocket (2041), second driving sprocket (205), second driven sprocket (206), second chain (207), support boss (208);

[0032] Top heat sealing assembly (300), air source (301), gas collecting cylinder (302), support (303);

[0033] Limiting clamp plate (400), matching mouth (401);

[0034] Side heat sealing assembly (500), moving frame (501), telescopic air cylinder (502), compression wheel (503), air inlet hole (504), second air outlet hole (505). DETAILED DESCRIPTION

[0035] The utility model is further explained in connection with the drawings and examples.

[0036] As Figures 1-6 ​​​​The utility model provides a kind of tank cover rolling heat shrinkage device, including rack 100, the rack 100 is provided with conveying assembly 200, top heat sealing assembly 300 and side heat sealing assembly 500 are installed above conveying assembly 200;

[0037] The conveying assembly 200 includes a first driving sprocket 201 and a first driven sprocket 202 mounted on the rack 100, the first driving sprocket 201 and the first driven sprocket 202 are connected by a first chain 203, a plurality of conveying rollers 204 for conveying are connected to the first chain 203, a fixed sprocket 204 is provided on the inner side of the conveying roller 204, a second chain 207 is provided on the inner side of the first chain 203, the second chain 207 is driven by a second driving sprocket 205 and a second driven sprocket 206, and the upper end of the second chain 207 corresponds to the embedded part of the fixed sprocket 204.

[0038] The top heat sealing assembly 300 includes a bracket 303, an air source 301 is installed on the bracket 303, the air source 301 is connected with a gas collecting cylinder 302, and the gas collecting cylinder 302 is provided with a first air outlet hole in the downward direction.

[0039] The side heat sealing assembly 500 includes two moving frames 501 perpendicular to the conveying direction, the moving frame 501 is L-shaped, the bottom end of the moving frame 501 is provided with an air inlet hole 504, and the side of the moving frame 501 towards the inside is provided with a second air outlet hole 505.

[0040] In order to improve the stability of rotation, both sides of the conveying roller 204 are provided with a solid chain wheel 204, and the left and right sides of the rack 100 are symmetrically provided with a second chain 207 matched with the solid chain wheel 204, the upper end of the second chain 207 is upwardly protruding supported through a support boss 208, and forms an isosceles trapezoidal shape, so that the conveying is more stable and smooth, and the cap stack can be effectively driven to roll; The moving frame 501 is installed on the support 303 to slide, the support 303 is provided with a telescopic cylinder 502, the movable end of the telescopic cylinder 502 is connected with the moving frame 501 and drives the moving frame 501 to extend and retract towards the direction perpendicular to the conveying direction of the rack 100, so as to facilitate the pressing of the cap stack, the air inlet hole 504 is connected with the air source 301 above the support 303 through an air pipe, one side of the moving frame 501 towards the inside is provided with a pressing wheel 503, the pressing wheel 503 is provided with at least two, and the second air outlet hole 505 is arranged between the plurality of pressing wheels 505; In order to prevent the cap stack from deviating, two symmetrically installed limiting clamping plates 400 are arranged on the conveying assembly 200, the limiting clamping plate 400 is arranged in the shape of a "H" character, the limiting clamping plate 400 is provided with a matching opening 401 for the pressing wheel 503 to pass through, and the limiting clamping plate 400 is adjustably arranged on the rack 100 through threaded connection, specifically, the distance between the two limiting clamping plates 400 is the length of a group of stacked caps.

[0041] In actual work, the parts are assembled according to the illustrated mode, the can cover stack which has been coated with a film in the previous process is pushed into the hot air packaging operation area through a conveying assembly, the conveying mode is mainly that the first driving sprocket and the second driving sprocket drive the conveying rollers on the first chain to convey the can cover stack by clamping the can cover stack, it should be noted that the first driving sprocket and the second driving sprocket are rotating in this conveying process, the second driving sprocket is connected with the rotating teeth of the fixed sprocket of part of the conveying rollers, when reaching the hot air processing area, the external driving force of the first driving sprocket stops, but at this time the second driving sprocket still drives the fixed sprocket at the upper end to rotate, since the first driving sprocket is not driven, at this time the fixed sprocket only rotates by itself, that is, the easy-open can sealing cover is rolled by itself, at this time the gas source sends hot air into the gas collecting cylinder, and then the hot air is blown vertically downward from the first air outlet of the gas collecting cylinder, since the can cover stack rotates by itself, and the hot air is blown downward all the time, according to the principle of thermal shrinkage, therefore the film on the circumference of the can cover can be coated on the can cover by the hot air, in this process, the film on the left and right sides of the can cover stack is also heat sealed by the hot air, specifically, the moving frame is moved inward by the telescopic cylinder, the edge of the can cover stack is pressed by the pressing wheel on the moving frame, and at the same time the film on the edge is heat sealed by the hot air from the second air outlet which is arranged inward, the hot air of the second air outlet is provided by the gas source, in the figure, the air inlet is not shown in order to reflect the air outlet, therefore the air inlet cannot be shown, in this way, the integrated operation of the circumferential heat sealing and the heat sealing of the two edges at the same time is realized, in order to enhance the sealing effect of the edge, see Figure 3 and 4 , the second air outlet is arranged at the bottom of the moving frame, so as to realize the effect of twice heat sealing, when realizing the twice heat sealing effect, the telescopic cylinder needs to be linked and matched, after the heat sealing is completed, the first chain is started again, the conveying rollers are driven forward by the first chain and the second chain at the same time, and the heat sealed material is sent out, so that the integrated one-time operation is effectively realized.

[0042] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0043] The above-described embodiments only express the preferred embodiments of the utility model, the description is more specific and detailed, but the utility model is not limited to these embodiments, it should be pointed out that, for the person skilled in the art, any improvement made without departing from the purpose of the utility model falls within the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A rolling heat shrinkage device for can lid, comprising a frame, a conveying assembly arranged on the frame, a top heat sealing assembly and a side heat sealing assembly installed above the conveying assembly; The conveying assembly comprises a first driving sprocket and a first driven sprocket installed on the frame, the first driving sprocket and the first driven sprocket are connected by a first chain, a plurality of conveying rollers for conveying are arranged on the first chain, a fixed sprocket is arranged on the inner side of the conveying roller, a second chain is arranged on the inner side of the first chain, the second chain is driven by a second driving sprocket and a second driven sprocket, and the upper end of the second chain is embedded in the rotating teeth of the fixed sprocket; The top heat sealing assembly comprises a support, an air source is connected to the air collecting cylinder, and a first air outlet is arranged on the downward direction of the air collecting cylinder; The side heat sealing assembly comprises two moving frames perpendicular to the conveying direction, the moving frame is L-shaped, the bottom end of the moving frame is provided with an air inlet, and the side of the moving frame towards the inside is provided with a second air outlet.

2. A can lid rolling heat shrinking apparatus according to claim 1, wherein The two sides of the conveying roller are provided with a fixed sprocket, and the left and right sides of the frame are symmetrically provided with a second chain matched with the fixed sprocket.

3. A rolling heat shrink device for a can end as defined in claim 1 or 2, wherein, The upper end of the second chain is upwardly protruding supported by a supporting boss and forms an isosceles trapezoidal shape.

4. A can lid rolling heat shrinking apparatus according to claim 1, wherein The moving frame is installed on the support to slide, a telescopic cylinder is installed on the support, the movable end of the telescopic cylinder is connected with the moving frame and drives the moving frame to stretch and contract towards the direction perpendicular to the conveying direction of the frame.

5. A can lid rolling heat shrinking apparatus according to claim 1, wherein The air inlet is connected with the air source above the support through an air pipe.

6. A can lid rolling heat shrinking apparatus according to claim 1, wherein The side of the moving frame towards the inside is provided with a pressing wheel.

7. A can lid rolling heat shrinking apparatus according to claim 6, wherein The pressing wheel is provided with at least two, and the second air outlet is arranged between the plurality of pressing wheels.

8. A can lid rolling heat shrinking apparatus according to claim 7, wherein Two symmetrical limiting clamping plates are arranged on the conveying assembly, the limiting clamping plate is arranged in a "H" shape, and a matching opening for the pressing wheel to pass through is arranged on the limiting clamping plate.

9. A can lid rolling heat shrinking apparatus according to claim 8, wherein The distance between the two limiting clamping plates is the length of a group of stacked can lids.

10. A can lid rolling heat shrinking apparatus according to claim 9, wherein The limiting clamping plate is adjustably arranged on the frame by screw connection.

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