Damp-proof and leakage-proof sealing structure of traditional Chinese medicine packaging machine
By combining the rotating clamping and sealing mechanisms, the system simultaneously extracts air, fills with nitrogen, and heat-presses to seal, solving the problems of nitrogen overflow and oxygen mixing after nitrogen filling. This achieves a more efficient sealing and moisture-proof effect, extending the shelf life of traditional Chinese medicine.
Patent Information
- Application Number
- CN202520129925.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing nitrogen-filling packaging machines are prone to nitrogen leakage and oxygen mixing after nitrogen filling before sealing, which affects the nitrogen concentration inside the packaging bag and reduces the shelf life of traditional Chinese medicine.
The system employs a rotating clamping mechanism and a sealing mechanism. The top of the packaging bag is clamped by a retracting plate and a push plate. Combined with the simultaneous operation of the air extraction pipe and the nitrogen filling pipe, air is extracted and nitrogen is filled in. Then, a hot press plate is used for heat sealing to form a tight texture to improve the sealing effect.
It effectively reduces oxygen content, increases nitrogen concentration, enhances sealing and moisture-proof effects, and extends the shelf life of traditional Chinese medicine.
Smart Images

Figure CN223850929U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nitrogen filling packaging machine technical field, specifically is a kind of damp-proof leakproof sealing structure of traditional chinese medicine packaging machine. BACKGROUND
[0002] Nitrogen filling packaging machine is a kind of equipment for packaging product in nitrogen filling environment. Its main working principle is to place product in packaging material (such as plastic film, aluminum foil composite film etc.) first, then fill nitrogen into packaging interior, finally carry out sealing operation, in the production process of traditional chinese medicine, in order to improve shelf life, nitrogen filling packaging machine is generally used for packaging;
[0003] The hot-press sealing structure of existing nitrogen filling packaging machine is mostly sealed after nitrogen filling, so that separate operation not only easily leads to nitrogen overflow, causes waste, but also easily mixes oxygen, reduces the concentration of nitrogen in packaging bag. UTILITY MODEL CONTENT
[0004] In order to solve the problem that sealing after nitrogen filling not only leads to nitrogen overflow but also easily mixes oxygen, the utility model aims at providing a damp-proof leakproof sealing structure of traditional chinese medicine packaging machine.
[0005] To solve the above technical problems, the utility model discloses the following technical scheme: A damp-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine, including work table, rotary clamping mechanism and sealing mechanism, rotary clamping mechanism can clamping bag and rotate, rotary clamping mechanism installs on work table, sealing mechanism sets up on work table, rotary clamping mechanism and sealing mechanism cooperate and use, sealing mechanism includes support plate, support plate fixed mounting is on work table, the outside fixed establishment of support plate is with first hydraulic telescopic link, and the telescopic end fixed establishment of first hydraulic telescopic link is with retraction board, one side fixed establishment of support plate is with second hydraulic telescopic link, and second hydraulic telescopic link is located the top of first hydraulic telescopic link, and the telescopic end fixed establishment of second hydraulic telescopic link is with push board, and the opposite side of retraction board and push board all fixed establishment is with auxiliary board, and the top of support plate sets up fills nitrogen subassembly, and the outside of auxiliary board close to support plate has been seted up recess, and the inside of recess has been slid with hot pressing plate, and the side fixed establishment of push board away from auxiliary board is with the third hydraulic telescopic link of symmetrical distribution, and the telescopic end movable of third hydraulic telescopic link passes through auxiliary board and is connected with the side fixed of hot pressing plate, and hot pressing plate is provided with electric heating wire, and electric heating wire can heat hot pressing plate, and the telescopic end of third hydraulic telescopic link drives hot pressing plate to remove recess, and makes hot pressing plate heat pressure seal to bag, the outside fixed establishment of retraction board is with the first guide rod of symmetrical distribution, and one end movable of first guide rod passes through support plate, and the outside fixed establishment of push board is with the second guide rod of symmetrical distribution, and one end movable of second guide rod passes through support plate, and can keep retraction board and push board moving stable through first guide rod and second guide rod, the opposite side of auxiliary board has been seted up the auxiliary groove of symmetrical distribution, and two auxiliary grooves communicate with recess, and auxiliary groove and suction pipe and nitrogen filling pipe cooperate and use, and can conveniently suction pipe and nitrogen filling pipe carry out gaseous through auxiliary groove, and the side of hot pressing plate has been seted up hot pressing line, and can form line through hot pressing line to bag hot pressure, and makes sealing more compact.
[0006] Preferably, the nitrogen filling assembly comprises an air exhaust pipe and a nitrogen filling pipe, the top end of the supporting plate is fixedly provided with a fixed plate, a sliding groove is formed in the outer side of the fixed plate, a sliding block is slidably arranged in the sliding groove, a lifting plate is fixedly arranged on one side of the sliding block, the air exhaust pipe and the nitrogen filling pipe are fixedly installed on the lifting plate, a rotating shaft is rotatably installed on the side of the fixed plate close to the sliding groove, a cam is fixedly arranged on the outer side of the rotating shaft, the outer side of the cam is attached to the lifting plate, the air exhaust pipe is communicated with an external air pump through a connecting pipe, the nitrogen filling pipe is communicated with an external nitrogen generating device through a connecting pipe, a fixed rod is fixedly arranged in the sliding groove, one end of the fixed rod is movably penetrated through the sliding block, a spring is movably arranged on the outer side of the fixed rod, and the both ends of the spring are fixedly connected with the sliding block and the inner wall of the sliding groove respectively.
[0007] Compared with the prior art, the utility model has the advantages that:
[0008] 1、 through retracting plate and push board drive two auxiliary plate synchronous opposite movement will the top of packing bag clamping, make packing bag with outside air separation, again through nitrogen filling assembly will packing bag air exhaust and rush into nitrogen, and control hot pressing plate to packing bag carry out heat sealing, like this can avoid nitrogen filling seal separates open operation nitrogen content unstable situation, so as to reach the purpose that improves sealing moisture-proof effect;
[0009] 2、 through cam rotation one hundred and eighty degrees drive lifting plate downward movement, lifting plate drive air exhaust pipe and nitrogen filling pipe's bottom end inserts packing bag, again through air exhaust pipe and nitrogen filling pipe separate exhaust air and fill in nitrogen, like this can effectively reduce oxygen content and improve nitrogen concentration, so as to reach the purpose that increases shelf life. BRIEF DESCRIPTION OF DRAWINGS
[0010] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0011] Figure 1 The structure of the present application is shown in the figure.
[0012] Figure 2 The structure of the sealing mechanism of the present application is shown in the figure.
[0013] Figure 3The nitrogen filling assembly structure schematic view of the utility model.
[0014] Figure 4 The push plate and the connecting structure schematic view of the utility model.
[0015] In the figure: 1, workbench;2, sealing mechanism;21, support plate;22, first hydraulic telescopic rod;23, retraction plate;24, second hydraulic telescopic rod;25, push plate;26, auxiliary plate;27, first guide rod;28, second guide rod;29, nitrogen filling assembly;291, fixed plate;292, air extraction pipe;293, nitrogen filling pipe;294, chute;295, sliding block;296, lifting plate;297, rotating shaft;298, cam;299, fixed rod;2910, spring;2911, motor;210, auxiliary groove;211, groove;212, hot pressing plate;213, third hydraulic telescopic rod;214, hot pressing pattern;3, rotary clamping mechanism. DETAILED DESCRIPTION
[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0017] Embodiment: as Figures 1-4The utility model provides a kind of damp-proof leak-proof sealing structure of traditional chinese medicine packaging machine, including workbench 1, rotary clamping mechanism 3 and sealing mechanism 2, rotary clamping mechanism 3 can clamping package bag and rotate, rotary clamping mechanism 3 is installed on workbench 1, sealing mechanism 2 is arranged on workbench 1, rotary clamping mechanism 3 and sealing mechanism 2 are used in cooperation, sealing mechanism 2 includes support plate 21, support plate 21 is fixedly installed on workbench 1, the outside of support plate 21 is fixed with first hydraulic telescopic rod 22, the telescopic end of first hydraulic telescopic rod 22 is fixed with retraction plate 23, one side of support plate 21 is fixed with second hydraulic telescopic rod 24, second hydraulic telescopic rod 24 is located above first hydraulic telescopic rod 22, the telescopic end of second hydraulic telescopic rod 24 is fixed with push plate 25, the opposite side of retraction plate 23 and push plate 25 is all fixed with auxiliary plate 26, the top of support plate 21 is provided with nitrogen filling assembly 29, by retraction plate 23 and push plate 25 drive two auxiliary plates 26 synchronous opposite movement and the top of package bag is clamped, make package bag and external air separate, again by nitrogen filling assembly 29 and be pumped into nitrogen gas with package bag air extraction, like this can reduce the oxygen content of package bag, avoid the influence of air moisture in air medicine quality, the outside of auxiliary plate 26 close to support plate 21 is provided with recess 211, hot pressboard 212 is slidably arranged in recess 211, the side of push plate 25 away from auxiliary plate 26 is fixed with the third hydraulic telescopic rod 213 of symmetrical distribution, the telescopic end of third hydraulic telescopic rod 213 is movably penetrated through auxiliary plate 26 and is fixedly connected with one side of hot pressboard 212, hot pressboard 212 is provided with electric heating wire inside, electric heating wire can heat hot pressboard 212, by the telescopic end of third hydraulic telescopic rod 213 drive hot pressboard 212 moves out recess 211, makes hot pressboard 212 heat pressure sealing to package bag, the outside of retraction plate 23 is fixed with the first guide rod 27 of symmetrical distribution, one end of first guide rod 27 is movably penetrated through support plate 21, the outside of push plate 25 is fixed with the second guide rod 28 of symmetrical distribution, one end of second guide rod 28 is movably penetrated through support plate 21, by first guide rod 27 and second guide rod 28 can respectively keep retraction plate 23 and push plate 25 move stably, the opposite side of auxiliary plate 26 is provided with the auxiliary groove 210 of symmetrical distribution, wherein two auxiliary grooves 210 are communicated with recess 211, auxiliary groove 210 is used in cooperation with suction tube 292 and nitrogen filling pipe 293, by auxiliary groove 210 can be conveniently suction tube 292 and nitrogen filling pipe 293 carry out gas suction, the side of hot pressboard 212 is provided with hot pressure line 214, by hot pressure line 214 can form the line of package bag hot pressure place, make sealing more solid.
[0018] The nitrogen filling assembly 29 comprises an air suction pipe 292 and a nitrogen filling pipe 293, the top end of the supporting plate 21 is fixedly provided with a fixed plate 291, the outer side of the fixed plate 291 is provided with a sliding groove 294, the sliding groove 294 is slidably provided with a sliding block 295, one side of the sliding block 295 is fixedly provided with a lifting plate 296, the air suction pipe 292 and the nitrogen filling pipe 293 are fixedly installed on the lifting plate 296, the fixed plate 291 is rotatably installed with a rotating shaft 297 on the side close to the sliding groove 294, the outer side of the rotating shaft 297 is fixedly provided with a cam 298, the outer side of the cam 298 is attached to the lifting plate 296, the air suction pipe 292 is communicated with an external air pump through a connecting pipe, the nitrogen filling pipe 293 is communicated with an external nitrogen generating device through a connecting pipe, the rotating shaft 297 is rotated by one hundred and eighty degrees, the rotating shaft 297 drives the cam 298 to rotate, the cam 298 drives the lifting plate 296 to move downwards, and the lifting plate 296 is kept stable by moving in the sliding groove 294 through the sliding block 295, the lifting plate 296 drives the bottom end of the air suction pipe 292 and the nitrogen filling pipe 293 to be inserted into the packaging bag, so that the air suction can be conveniently performed, the sliding groove 294 is fixedly provided with a fixing rod 299, one end of the fixing rod 299 movably penetrates through the sliding block 295, the outer side of the fixing rod 299 movably sleeves a spring 2910, both ends of the spring 2910 are fixedly connected with the sliding block 295 and the inner wall of the sliding groove 294 respectively, the fixing rod 299 can keep the sliding block 295 stable, the spring 2910 can drive the sliding block 295 to reset, the outer side of the fixed plate 291 is fixedly provided with a motor 2911, the output shaft of the motor 2911 movably penetrates through the fixed plate 291 and is fixedly connected with one end of the rotating shaft 297, the motor 2911 can provide power for the rotation of the rotating shaft 297.
[0019] Working principle: first, the rotating clamping mechanism 3 drive filled with traditional Chinese medicine packaging bag moves to the retraction plate 23 and push plate 25 between, then start motor 2911, so that the motor 2911 starts to work, the end of the motor 2911 output shaft drive rotating shaft 297 rotates one hundred and eighty degrees, rotating shaft 297 drive cam 298 rotation, cam 298 drive lifting plate 296 moves down, and through the slider 295 in the sliding slot 294 moves to keep stable, lifting plate 296 drive the bottom end of the exhaust pipe 292 and nitrogen filling pipe 293 inserted into the packaging bag, then, start the first hydraulic telescopic rod 22 and the second hydraulic telescopic rod 24, the telescopic end of the first hydraulic telescopic rod 22 retraction drive retraction plate 23 moves, the telescopic end of the second hydraulic telescopic rod 24 extension drive push plate 25 moves, retraction plate 23 and push plate 25 drive two auxiliary plate 26 synchronous opposite movement, make auxiliary plate 26 clamp the top of the packaging bag, auxiliary groove 210 card set in the outside of the exhaust pipe 292 and nitrogen filling pipe 293, then start the external air pump, external air pump through the connecting pipe will be extracted from the packaging bag, then start the external nitrogen making equipment, external nitrogen making equipment through the connecting pipe will be flushed into the packaging bag, so as to effectively reduce the oxygen content in the packaging bag, then, start the electric heating wire of the hot press plate 212, heat the hot press plate 212, then start the third hydraulic telescopic rod 213, the telescopic end of the third hydraulic telescopic rod 213 drive hot press plate 212 moves out of the groove 211, make hot press plate 212 heat sealing of packaging bag, so as to avoid air mixed into the packaging bag, further improve the shelf life of traditional Chinese medicine, finally, control auxiliary plate 26, exhaust pipe 292 and nitrogen filling pipe 293 reset can.
[0020] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application claims and their equivalent technologies, the present application also intends to include these modifications and variations.
Claims
1. A moisture-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine, comprising a workbench (1), a rotary clamping mechanism (3) and a sealing mechanism (2), characterized in that: The rotating clamping mechanism (3) is installed on the workbench (1), the sealing mechanism (2) is arranged on the workbench (1), the rotating clamping mechanism (3) and the sealing mechanism (2) are used in cooperation, the sealing mechanism (2) comprises a supporting plate (21), the supporting plate (21) is fixedly installed on the workbench (1), a first hydraulic telescopic rod (22) is fixedly arranged on the outer side of the supporting plate (21), a retraction plate (23) is fixedly arranged on the telescopic end of the first hydraulic telescopic rod (22), a second hydraulic telescopic rod (24) is fixedly arranged on one side of the supporting plate (21), the second hydraulic telescopic rod (24) is located above the first hydraulic telescopic rod (22), a push plate (25) is fixedly arranged on the telescopic end of the second hydraulic telescopic rod (24), the opposite sides of the retraction plate (23) and the push plate (25) are fixedly provided with auxiliary plates (26), and a nitrogen charging assembly (29) is arranged at the top end of the supporting plate (21).
2. The moisture-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine according to claim 1, characterized in that, The nitrogen charging assembly (29) comprises an air exhaust pipe (292) and a nitrogen charging pipe (293), a fixed plate (291) is fixedly arranged at the top end of the supporting plate (21), a sliding groove (294) is formed in the outer side of the fixed plate (291), a sliding block (295) is slidably arranged in the sliding groove (294), a lifting plate (296) is fixedly arranged on one side of the sliding block (295), the air exhaust pipe (292) and the nitrogen charging pipe (293) are fixedly installed on the lifting plate (296), a rotating shaft (297) is rotatably installed on the side, close to the sliding groove (294), of the fixed plate (291), a cam (298) is fixedly arranged on the outer side of the rotating shaft (297), and the outer side of the cam (298) is attached to the lifting plate (296).
3. The moisture-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine according to claim 2, characterized in that, A recess (211) is formed in the outer side of the auxiliary plate (26) close to the supporting plate (21), a hot pressing plate (212) is slidably arranged in the recess (211), and symmetrically distributed third hydraulic telescopic rods (213) are fixedly arranged on the side, away from the auxiliary plate (26), of the push plate (25), the telescopic ends of the third hydraulic telescopic rods (213) are movably penetrated through the auxiliary plate (26) and are fixedly connected to one side of the hot pressing plate (212).
4. The moisture-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine according to claim 1, characterized in that, A first guide rod (27) is fixedly arranged on the outer side of the retraction plate (23), one end of the first guide rod (27) is movably penetrated through the supporting plate (21), a second guide rod (28) is fixedly arranged on the outer side of the push plate (25), and one end of the second guide rod (28) is movably penetrated through the supporting plate (21).
5. The moisture-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine according to claim 2, characterized in that, A fixed rod (299) is fixedly arranged in the sliding groove (294), one end of the fixed rod (299) is movably penetrated through the sliding block (295), a spring (2910) is movably sleeved on the outer side of the fixed rod (299), and the two ends of the spring (2910) are fixedly connected with the sliding block (295) and the inner wall of the sliding groove (294) respectively.
6. The moisture-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine according to claim 3, characterized in that, The opposite side of the auxiliary plate (26) is provided with symmetrically distributed auxiliary grooves (210), two of which are communicated with the grooves (211), and the auxiliary grooves (210) are used in cooperation with the air exhaust pipe (292) and the nitrogen filling pipe (293).
7. The moisture-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine according to claim 2, characterized in that, The outer side of the fixed plate (291) is fixedly provided with a motor (2911), the end of the output shaft of the motor (2911) is movably penetrated through the fixed plate (291) and is fixedly connected with one end of the rotating shaft (297).
8. The moisture-proof and leakage-proof sealing structure of a traditional Chinese medicine packaging machine according to claim 3, characterized in that, One side of the hot pressing plate (212) is provided with hot pressing lines (214).