Adjustable heat sealing mechanism for packaging medical articles

Abstract

The invention discloses an adjustable heat sealing mechanism for medical article packaging, and relates to the field of medical article packaging, the adjustable heat sealing mechanism comprises a heat sealing mounting bracket, the heat sealing mounting bracket is connected with an upper heat sealing mounting plate and a lower heat sealing mounting plate, and the upper heat sealing mounting plate is movably arranged above the lower heat sealing mounting plate; a replaceable and adjustable movable pressing tongue is arranged at one side end of the lower heat-sealing mounting plate, a groove is formed in the top end of the movable pressing tongue, and one end face of the movable pressing tongue is used for being in contact with one end face of the lower heat-sealing mounting plate; the end, close to the movable pressing tongue, of the upper heat sealing installation plate is connected with an electrified heat sealing plate matched with a groove in the top end of the movable pressing tongue. The heat sealing mechanism can move and convey a packaging bag which needs to be heat-sealed and is filled with medical articles to a heat sealing heating position, and time and labor are saved; meanwhile, a structure for limiting the packaging bag is additionally arranged, so that moving dislocation during heat sealing is avoided; in addition, the packaging bag can be positioned, heat sealing is firm, and air leakage is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of medical product packaging, in particular to a heat sealing mechanism for medical product packaging. BACKGROUND

[0002] Sealing packaging of medical products is mainly to ensure the quality stability and safety during storage, transportation and use. The specific reasons are as follows: Protect the quality of drugs Sealing packaging can effectively prevent drugs from getting wet, volatile, oxidized or contaminated. For example, hygroscopic drugs (such as clotrimazole suppositories) need to be strictly sealed, while ordinary suppositories only need to be stored in airtight. In addition, sealing can also avoid the deterioration of drugs due to light, temperature changes or microbial invasion.

[0003] Ensure drug safety Good sealing packaging can prevent children from misusing or external foreign objects from mixing in, and at the same time guide correct use through information on the packaging (such as usage, expiration date). For example, the sealing performance of aluminum plastic combination cover directly affects the leakage prevention ability of the drug liquid.

[0004] Adapt to different dosage forms Different dosage forms of drugs have different packaging requirements: tablets, capsules, etc. usually need to be sealed and stored, while suppositories, gels, etc. only need to be airtight. If the drug itself is easy to weather or contains crystal water, it must be sealed.

[0005] Comply with regulations and industry standards Drug packaging needs to comply with GMP and other specifications to ensure whole-process quality control from production to use. Sealing performance testing (such as YBB, GB / T standards) is a key link to ensure packaging compliance.

[0006] The present sealing packaging bag for medical products has the following problems: improper temperature setting, worn sealing tape or insufficient pressure may cause loose sealing or leakage, thereby affecting the sealing packaging quality of medical products. SUMMARY

[0007] The purpose of the present application is achieved by the following technical solutions: A heat sealing mechanism for medical product packaging, comprising a heat sealing mounting bracket, an upper heat sealing mounting plate and a lower heat sealing mounting plate connected to the heat sealing mounting bracket, the upper heat sealing mounting plate being movably arranged above the lower heat sealing mounting plate; One side end of the lower heat sealing mounting plate is provided with a replaceable and adjustable movable tongue depressor, the top end of the movable tongue depressor is provided with a groove, and one end surface of the movable tongue depressor is arranged in contact with one end surface of the lower heat sealing mounting plate; The upper heat-seal mounting plate is connected with an electrically conductive heat-seal plate near one end of the movable tongue, which is adapted to the groove of the top end of the movable tongue; The lower heat-seal mounting plate is provided with a packaging bag pressing plate on the side end away from the movable tongue, which is used to move and transport the packaging bag containing medical supplies and requiring sealing between the movable tongue and the electrically conductive heat-seal plate. The lower heat-seal mounting plate is movably provided with a lower forming insert plate between the lower heat-seal mounting plate and the packaging bag pressing plate, and the upper forming insert plate is movably provided above the lower forming insert plate.

[0008] Preferably, the movable tongue is provided with a lower sliding mounting plate at one end away from the electrically conductive heat-seal plate. The two ends of the lower sliding mounting plate are movably passed through the guide rod optical axis, the bottom ends of the two guide rod optical axes are fixedly connected with the heat-seal mounting support through the bottom plate, the other ends of the two guide rod optical axes are movably passed through the upper sliding mounting plate, and the end heads are fixedly connected with the top plate, which is fixedly connected with the heat-seal mounting support. The movable tongue is movably provided with the lower sliding mounting plate, and the lower heat-seal mounting plate is fixedly connected with the lower sliding mounting plate. The upper heat-seal mounting plate is fixedly connected with the upper sliding mounting plate.

[0009] Preferably, the bottom ends of the movable tongue are respectively provided with telescopic cylinders on both sides, the cylinder bodies of the telescopic cylinders are connected with the lower sliding mounting plate, and the output ends of the telescopic cylinders are hingedly connected with the movable tongue through the hinged seat.

[0010] Preferably, the lower sliding mounting plate is rotatably and hingedly connected with a long connecting rod on both sides through a pin shaft, and the other end of the long connecting rod is rotatably and hingedly connected with one end of the swing arm through a pin shaft. A swing arm rotating shaft is arranged between the two swing arms, and the two swing arms are limitingly connected with the swing arm rotating shaft. A connecting pulley is connected to the middle part of the swing arm rotating shaft, the connecting pulley is drivingly connected with a driving pulley through a belt, the driving pulley is connected with the output end of a planetary reduction motor through a rotating shaft, and the planetary reduction motor is installed and connected on the heat-seal mounting support. The two sides of the swing arm rotating shaft are rotatably passed through the bearing seat through bearings, and the bearing seat is connected with the heat-seal mounting support.

[0011] Preferably, the upper sliding mounting plate is rotatably and hingedly connected with a short connecting rod on both sides through a pin shaft, the other end of the short connecting rod is respectively connected with a connecting cylinder, and the cylinder body of the connecting cylinder is rotatably and hingedly connected with one end of the swing arm away from the long connecting rod through a pin shaft.

[0012] Preferably, the bottom end of the packaging bag pressing plate is connected with the connecting base through an electric sliding rail, one side end of the connecting base is connected with a sliding block, the sliding block is vertically and slidingly limited with a sliding installation plate, the sliding installation plate is connected with a pressing plate fixing plate, and the pressing plate fixing plate is vertically and slidingly arranged; An active cylinder is installed and connected on the sliding installation plate, an output end of the active cylinder is connected with the connecting base, and the connecting base is driven to vertically move by the active cylinder.

[0013] Preferably, two sides of an end face of the pressing plate fixing plate away from the pressing plate screw rod are respectively provided with active guide shafts; Bottom ends of the active guide shafts are respectively movably arranged through the sealing lower support plate, and end heads of the active guide shafts are respectively connected with plug-in plate bevel gears; One end of the plug-in plate driving rotating shaft is connected with the output shaft of the speed reducer motor through a shaft connector; The adjusting bearing seat is connected with the pressing plate bearing seat, and the pressing plate bearing seat is fixedly connected with the sealing lower support plate; Top ends of the plug-in plate screw rods are respectively connected with the top plate through bearings; The top ends of the plug-in plate screw rods are respectively movably arranged through plug-in plate screw rod seats and connected with the top plate through bearings; The plug-in plate screw rod seat is connected with the upper forming sliding plate, the upper forming sliding plate is vertically and slidingly arranged, and the upper forming plug-in plate is connected with the upper forming sliding plate through bolts.

[0014] Preferably, two sides of an end face of the pressing plate fixing plate away from the screw rod adjusting block are respectively connected with guide active blocks, and first active guide rods are movably arranged on the guide active blocks; Bottom ends of the two first active guide rods are movably arranged through the sealing lower support plate and connected with active bevel gears through bearings, and end heads of the active bevel gears are respectively connected with active driving bevel gears; The two active driving bevel gears are connected with an active driving rotating shaft; The active driving rotating shaft is movably arranged through an active bearing seat and connected with the output shaft of the speed reducer motor through a shaft connector; The active bearing seat is connected with the sealing lower support plate.

[0015] Preferably, top ends of the two first active guide rods are movably arranged through upper active guide blocks and connected with the top plate, and the upper active guide blocks are connected with an end face of the upper forming sliding plate; The bottom end of the two first movable guide rods respectively passes through the lower movable guide block and is used for being connected with the sealing lower support plate. The lower forming sliding plate is provided with a forming movable screw rod on the both sides of the end face close to the first movable guide rod. One end of the forming movable screw rod passes through the sealing lower support plate through a bearing and the end thereof is connected with a forming bevel gear. The two forming drive bevel gears are used for being connected on the forming drive rotating shaft. The forming drive rotating shaft passes through the forming bearing seat through a bearing and one end of the forming drive rotating shaft is used for being connected with the output shaft of the speed reducer motor through a shaft connector. The forming bearing seat is used for being connected with the sealing lower support plate. The lower forming inserting plate is used for being connected with the lower forming sliding plate.

[0016] The present application has the advantages that the present application aims to provide a heat sealing mechanism for medicine packaging, which has the following advantages. 1. The heat sealing mechanism can move and convey the packaging bag which needs to be heat sealed and contains medicine to the heat sealing heating position, thereby saving time and labor. 2. The heat sealing mechanism is additionally provided with a structure for limiting the port of the packaging bag which is heat sealed and contains medicine, thereby avoiding the displacement of the packaging bag during heat sealing. 3. The heat sealing mechanism can position the packaging bag which contains medicine and heat seal the packaging bag firmly, thereby avoiding air leakage. DETAILED DESCRIPTION

[0017] Figure 1 Fig. 1 is a connection structure diagram of the heat sealing mechanism for medicine packaging of the present application; Figure 2 Fig. 2 is a rear view axonometric diagram of the connection structure of the heat sealing mechanism for medicine packaging of the present application; Figure 3 Fig. 3 is a partial exploded diagram of the connection structure of the heat sealing mechanism for medicine packaging of the present application; Figure 4 Fig. 4 is a connection structure diagram of the lower sliding mounting plate of the heat sealing mechanism for medicine packaging of the present application; Figure 5 Fig. 5 is a rear view axonometric diagram of the connection structure of the lower sliding mounting plate of the heat sealing mechanism for medicine packaging of the present application; Figure 6 Fig. 6 is a connection structure diagram of the packaging bag pressing plate of the heat sealing mechanism for medicine packaging of the present application; Figure 7This is a schematic diagram of the connection structure between the lower forming plate and the upper forming plate of an adjustable heat sealing mechanism for pharmaceutical packaging according to the present invention. In the diagram, 1-Heat-sealing mounting bracket, 2-Upper heat-sealing mounting plate, 3-Lower heat-sealing mounting plate, 4-Packaging bag pressure plate, 22-Upper sliding mounting plate, 31-Modible pressure tongue, 311-Lower sliding mounting plate, 312-Guide rod optical axis, 313-Telescopic cylinder, 321-Long connecting rod, 322-Swing arm, 33-Swing arm rotation shaft, 34-Planetary geared motor, 221-Short connecting rod, 222-Connecting cylinder, 41-Connecting seat, 42-Sliding mounting plate, 43-Pressure plate fixing plate, 44-Modible cylinder, 45-Pressure plate lead screw, 46-Forming movable lead screw, 461-Forming cone Gears, 462-forming drive bevel gear, 463-forming drive shaft, 431-first movable guide rod, 432-movable bevel gear, 433-movable drive bevel gear, 434-movable drive shaft, 48-movable guide shaft, 481-insertion plate bevel gear, 482-insertion plate drive bevel gear, 483-insertion plate drive shaft, 451-pressure plate bevel gear, 452-pressure plate drive bevel gear, 453-pressure plate drive shaft, 454-sealing lower support plate, 51-lower forming insert plate, 52-upper forming insert plate, 511-lower forming sliding plate, 521-upper forming sliding plate. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0019] Example 1 like Figures 1 to 7 As shown, an adjustable heat-sealing mechanism for pharmaceutical packaging is used to seal packaging bags containing pharmaceuticals that require sealing. This heat-sealing mechanism provides a better sealing effect than existing heat-sealing equipment. The heat-sealing mechanism includes a heat-sealing mounting bracket 1, on which an upper heat-sealing mounting plate 2 and a lower heat-sealing mounting plate 3 are mounted and connected. The upper heat-sealing mounting plate 2 is movably positioned above the lower heat-sealing mounting plate 3. A replaceable and adjustable movable pressure tongue 31 is provided on one side of the lower heat-sealing mounting plate 3. A groove is provided at the top of the movable pressure tongue 31, and one end face of the movable pressure tongue 31 is used to contact one end face of the lower heat-sealing mounting plate 3. An electrically powered heat-sealing plate that matches the groove at the top of the movable pressure tongue 31 is connected to the end of the upper heat-sealing mounting plate 2 near the movable pressure tongue 31. A packaging bag pressure plate 4 is provided on the side of the lower heat-sealing mounting plate 2 away from the movable pressure tongue 31 for conveying and moving a packaging bag containing medical products that needs to be sealed to the space between the movable pressure tongue 31 and the electrically powered heat-sealing plate. A lower forming insert plate 51 is movably positioned between the lower heat-sealing mounting plate 3 and the packaging bag pressure plate 4, and an upper forming insert plate 52 is movably positioned above the lower forming insert plate 51.

[0020] In the embodiment, the packaging bag containing medical products and needing to be sealed is placed on the packaging bag pressing plate 4, and the sealing end of the packaging bag faces the end of the electrically heated sealing plate; then the packaging bag placed on the packaging bag pressing plate 4 is controlled to pass between the lower and upper forming plates 51 and 52, and the sealing end of the packaging bag is moved to pass between the upper and lower sealing mounting plates 2 and 3, that is, the sealing end of the packaging bag passes between the movable tongue 31 and the electrically heated sealing plate; then the lower and upper forming plates 51 and 52 are controlled to move towards each other, the position of the sealing end of the packaging bag is fixed, and the sealing end of the packaging bag is flattened to reduce the gap; then the upper and lower sealing mounting plates 2 and 3 are controlled to move towards each other, that is, the electrically heated sealing plate and the movable tongue 31 move towards each other, and the electrically heated sealing plate is quickly sealed along the groove at the top end of the movable tongue 31.

[0021] It should be noted that the groove at the top end of the movable tongue 31 is also provided with an electrically heated sealing plate, which can be appropriately selected to be opened or not opened according to needs.

[0022] Embodiment 2 On the basis of embodiment 1, the movable tongue 31 is provided with a lower sliding mounting plate 311 away from the electrically heated sealing plate; the two ends of the lower sliding mounting plate 311 move through the guide rod optical axis 312, the bottom ends of the two guide rod optical axes 312 are connected and fixed to the sealing mounting support 1 through the bottom plate, the other ends of the two guide rod optical axes 312 move through the upper sliding mounting plate 22, and the end heads are connected and fixed to the top plate, and the top plate is connected and fixed to the sealing mounting support 1; the movable tongue 31 is connected to the lower sliding mounting plate 311, and the lower sealing mounting plate 3 is connected and fixed to the lower sliding mounting plate 311; the upper sealing mounting plate 2 is connected and fixed to the upper sliding mounting plate 22. The bottom ends of the movable tongue 31 are provided with telescopic cylinders 313 on both sides, the cylinder bodies of the telescopic cylinders 313 are connected to the lower sliding mounting plate 311, and the output ends of the telescopic cylinders 313 are connected to the movable tongue 31 through the hinge seat. The relative height of the lower sealing mounting plate 3 and the movable tongue 31 is controlled by the telescopic cylinders 313, so as to seal different packaging bags (the sealing time, position and other parameters of different packaging bags are different).

[0023] Further, the two sides of the lower sliding mounting plate 311 are respectively connected with a long connecting rod 321 through pin shaft rotary hinged connection, the other end of the long connecting rod 321 is connected with one end of the swing arm 322 through pin shaft rotary hinged connection; the swing arm rotating shaft 33 is arranged between the two swing arms 322, the two swing arms 322 are limit connected with the swing arm rotating shaft 33; the middle part of the swing arm rotating shaft 33 is connected with a connecting belt pulley, the connecting belt pulley is drivingly connected with a driving belt pulley through a belt, the driving belt pulley is connected with the output end of the planetary reduction motor 34 through a rotating shaft, the planetary reduction motor 34 is installed and connected on the heat sealing mounting bracket 1; the two sides of the swing arm rotating shaft 33 respectively pass through the bearing seat through rotary bearing, and the bearing seat is connected with the heat sealing mounting bracket 1. The two sides of the upper sliding mounting plate 22 are respectively connected with a short connecting rod 221 through pin shaft rotary hinged connection, the other end of the short connecting rod 221 is respectively connected with a connecting cylinder 222, the cylinder body of the connecting cylinder 222 is connected with one end of the swing arm 322 away from the long connecting rod 321 through pin shaft rotary hinged connection.

[0024] In the embodiment, the planetary reduction motor 34 is controlled to drive the swing arm rotating shaft 33 to rotate, the swing arm rotating shaft 33 drives the two ends of the swing arm 322 to rotate synchronously, the swing arm 322 drives the lower sliding mounting plate 311 to move through the long connecting rod 321, and the swing arm 322 drives the upper sliding mounting plate 22 to move through the short connecting rod 221; the positions of the lower sliding mounting plate 311 and the upper sliding mounting plate 22 are adjusted, the sealing end of the packaging bag to be heat sealed is moved to the position between the lower sliding mounting plate 311 and the upper sliding mounting plate 22; then the two connecting cylinders 222 are controlled to shrink synchronously, the short connecting rod 221 is driven to move, and the upper heat sealing mounting plate 2 is driven to move relative to the lower heat sealing mounting plate 3, that is, the bottom end of the upper heat sealing mounting plate 2 and the electric heating sealing plate electrified and heated at this time move along the groove position of the top end of the movable tongue 31, and the packaging bag placed between the two is limited, flattened and heat sealed.

[0025] Embodiment 3 Furthermore, the bottom end of the packaging bag pressure plate 4 is connected to the connecting seat 41 via an electric slide rail. A sliding block is connected to one side of the connecting seat 41, and the sliding block is vertically slidably limited to the sliding mounting plate 42. The sliding mounting plate 42 is connected to the pressure plate fixing plate 43, which is movable. A movable cylinder 44 is installed on the sliding mounting plate 42, and the output end of the movable cylinder 44 is connected to the connecting seat 41. The movable cylinder 44 drives the connecting seat 41 to move up and down. By moving the connecting seat 41 up and down through the movable cylinder 44, the height position of the packaging bag containing medicine and requiring sealing, placed on the packaging bag pressure plate 4, can be adjusted. Then, by controlling the electric slide rail to move the packaging bag pressure plate 4 horizontally, the packaging bag containing medicine and requiring sealing can be quickly and accurately moved to the appropriate position between the movable pressure tongue 31 and the electrically heated heat sealing plate.

[0026] Furthermore, screw adjusting blocks are connected to both sides of one end face of the pressure plate fixing plate 4, and the screw adjusting blocks are movably connected to the pressure plate screw 45; the bottom end of the pressure plate screw 45 passes through the pressure plate bearing seat through the bearing and is connected to the end of the screw 45. The pressure plate bevel gear 451 is respectively driven by the pressure plate driving bevel gear 452. The two pressure plate driving bevel gears 452 are connected to the pressure plate driving shaft 453. The pressure plate driving shaft 453 passes through the adjusting bearing seat through the bearing; one end of the pressure plate driving shaft 453 is connected to the output shaft of the geared motor through the shaft connector; the adjusting bearing seat is connected to the pressure plate bearing seat, and the pressure plate bearing seat is connected and fixed to the sealing lower support plate 454. The sealing lower support plate 454 is connected and fixed to the heat sealing mounting bracket 1; at the same time, the sealing lower support plate 454 is coplanar with the bottom plate. The top end of the pressure plate screw 45 is movably connected to the top plate by passing through the pressure plate screw seat and rotating through the bearing; the pressure plate screw seat is used to connect with the upper forming sliding plate 521, the upper forming sliding plate 521 is movably raised and lowered, and the upper forming insert plate is used to connect with the upper forming sliding plate 521 by bolts.

[0027] In this embodiment, the pressure plate drive shaft 453 is controlled to drive the pressure plate drive bevel gear 452 to rotate, thereby driving the pressure plate drive bevel gear 451 that meshes with it to rotate. The pressure plate bevel gear 451 drives the pressure plate screw 45, which is vertically connected, to rotate. The pressure plate screw 45 drives the pressure plate fixing plate 4 to move up and down, thereby adapting to different sizes of pharmaceutical packaging bags (degrees of bulging).

[0028] Example 4 Furthermore, movable guide shafts 48 are respectively provided on both sides of the end face of the pressure plate fixing plate 43 away from the pressure plate screw 45; the bottom ends of the movable guide shafts 48 respectively movably pass through the sealing lower support plate 454, and the ends are respectively connected to the insert plate bevel gears 481, the insert plate bevel gears 481 respectively drive and mesh with the insert plate driving bevel gears 482, the two insert plate driving bevel gears 482 are used to connect to the insert plate driving shaft 483, the insert plate driving shaft 483 passes through the adjusting bearing seat through the bearing rotation; one of the insert plate driving shafts 483 The end is connected to the output shaft of the geared motor via a shaft connector; the adjusting bearing seat is connected to the pressure plate bearing seat, and the pressure plate bearing seat is connected and fixed to the sealing lower support plate 454; the top end of the movable guide shaft 48 is respectively connected to the insert plate screw; the top end of the insert plate screw passes through the insert plate screw seat and the end is connected to the top plate via the bearing; the insert plate screw seat is connected to the upper forming sliding plate 521, the upper forming sliding plate 521 is movable and raised, and the upper forming insert plate 521 is connected to the upper forming sliding plate 52 via bolts.

[0029] In this embodiment, the insert plate drive shaft 483 is controlled to drive the insert plate drive bevel gear 482 to rotate, thereby driving the insert plate drive bevel gear 481, which meshes with it, to rotate. The insert plate bevel gear 481 drives the vertically connected movable guide shaft 48 to rotate. The movable guide shaft 48 drives the insert plate screws connected to its top to rotate, thereby driving the upper forming sliding plate 521 to move up and down. Finally, the upper forming insert plate 52 installed on the upper forming sliding plate 521 is driven to move up and down.

[0030] It should be noted that the movable guide shaft 48 is used to guide the lifting and lowering of the pressure plate fixing plate 43 via the movable guide block. In this way, it can also serve as a limiting structure for the lifting and lowering of the pressure plate fixing plate 43.

[0031] Example 5 Furthermore, guide blocks are connected to both sides of the end face of the pressure plate fixing plate 43 away from the lead screw adjusting block, and first movable guide rods 431 are movably inserted through the guide blocks. The bottom ends of the two first movable guide rods 431 pass through the sealing lower support plate 454 through bearings, and the ends are respectively connected to movable bevel gears 432. The movable bevel gears 432 are respectively driven and meshed with movable drive bevel gears 433. The two movable drive bevel gears 433 are used to connect to the movable drive shaft 434. The movable drive shaft 434 passes through the movable bearing seat through bearings, and one end of the movable drive shaft 434 is connected to the output shaft of the geared motor through a shaft connector. The movable bearing seat is used to connect to the sealing lower support plate 454. By controlling the movable drive shaft 434 to drive the two movable drive bevel gears 433 to rotate, the two movable drive bevel gears 433 respectively drive the driven and meshed movable bevel gears 432 to rotate, and the movable bevel gears 432 drive the vertically connected first movable guide rods 431 to rotate.

[0032] Meanwhile, the top ends of the two first movable guide rods 431 respectively movably pass through the upper movable guide block and are used to connect with the top plate, and the upper movable guide block is connected to one end face of the upper forming sliding plate 521; the bottom ends of the two first movable guide rods 432 respectively movably pass through the lower movable guide block and are used to connect with the sealing lower support plate 454, and the lower movable guide block is used to connect with the lower forming sliding plate 511; forming movable screws 46 are respectively provided on both sides of one end face of the lower forming sliding plate 511 near the first movable guide rods 432; one of the forming movable screws 46... The end of the forming bevel gear 461 is rotatably passed through the lower support plate 454 of the sealing end via a bearing and is connected to the end of the forming bevel gear 461. The forming bevel gear 461 respectively meshes with the forming drive bevel gear 462. The two forming drive bevel gears 462 are used to connect to the forming drive shaft 463. The forming drive shaft 463 is rotatably passed through the forming bearing seat via a bearing and one end of the forming drive shaft is used to connect to the output shaft of the geared motor via a shaft connector. The forming bearing seat is used to connect to the lower support plate 454 of the sealing end. The lower forming insert plate 51 is used to connect to the lower forming sliding plate 511.

[0033] By controlling the molding drive shaft 463 to drive the two molding drive bevel gears 462 to rotate, the two molding drive bevel gears 462 respectively drive the meshing molding bevel gears 461 to rotate, and the molding bevel gears 461 drive the vertically connected molding movable screw 46 to rotate, thereby driving the lower molding sliding plate 511 to move up and down, thereby driving the lower molding insert plate 51 installed and connected on the lower molding sliding plate 511 to move up and down.

[0034] In this embodiment, by controlling the upper forming sliding plate 521 to drive the upper forming insert plate 52 to move downward, and by controlling the lower forming sliding plate 511 to drive the lower forming insert plate 51 to move upward, the packaging bag containing medical products that needs to be sealed and passes between the two is flattened and limited, reducing gaps and making it more compact during heat sealing.

Claims

1. An adjustable heat-sealing mechanism for pharmaceutical packaging, comprising a heat-sealing mounting bracket, characterized in that, The heat-sealing mounting bracket is equipped with an upper heat-sealing mounting plate and a lower heat-sealing mounting plate, with the upper heat-sealing mounting plate movably positioned above the lower heat-sealing mounting plate. One side of the lower heat-sealing mounting plate is provided with a replaceable and adjustable movable pressure tongue. The top of the movable pressure tongue is provided with a groove, and one end face of the movable pressure tongue is used to contact one end face of the lower heat-sealing mounting plate. The upper heat-sealing mounting plate is connected to an electrically powered heat-sealing plate that matches the groove at the top of the movable pressure tongue at one end. The lower heat-sealing mounting plate is provided with a packaging bag pressure plate on the side away from the movable pressure tongue for conveying and moving a packaging bag containing medical products that needs to be sealed to the space between the movable pressure tongue and the electrically powered heat-sealing plate. A lower forming insert is movably disposed between the lower heat-sealing mounting plate and the packaging bag pressure plate, and an upper forming insert is movably disposed above the lower forming insert.

2. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 1, characterized in that, A sliding mounting plate is provided at the end of the movable pressure tongue away from the energized heat sealing plate; The two ends of the lower sliding mounting plate move through the guide rod optical axis. The bottom ends of the two guide rod optical axes are connected and fixed to the heat-sealing mounting bracket through the base plate. The other ends of the two guide rod optical axes move through the upper sliding mounting plate and are connected and fixed to the top plate. The top plate is used to connect and fix to the heat-sealing mounting bracket. The movable pressure tongue is used to connect with the lower sliding mounting plate, and the lower heat-sealing mounting plate is used to connect and fix with the lower sliding mounting plate; The upper heat-sealing mounting plate is used to connect and fix it to the upper sliding mounting plate.

3. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 2, characterized in that, Telescopic cylinders are respectively provided on both sides of the bottom end of the movable pressure tongue. The cylinder body of the telescopic cylinder is used to connect with the lower sliding mounting plate, and the output end of the telescopic cylinder is used to be hinged to the movable pressure tongue through a hinge seat.

4. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 3, characterized in that, Both sides of the lower sliding mounting plate are respectively connected to long connecting rods by pins, and the other end of the long connecting rod is used to be connected to one end of the swing arm by a pin. A swing arm rotation shaft is provided between the two swing arms, and the two swing arms are used for limiting connection with the swing arm rotation shaft; A connecting pulley is connected to the middle of the swing arm rotation shaft. The connecting pulley is connected to the drive pulley via belt drive. The drive pulley is connected to the output end of the planetary gear motor via a rotating shaft. The planetary gear motor is used to be mounted on the heat-sealed mounting bracket. The two sides of the swing arm's rotating shaft pass through the bearing housing via bearings, and the bearing housing is used for heat-sealing the mounting bracket connection.

5. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 4, characterized in that, Both sides of the upper sliding mounting plate are respectively connected to short connecting rods by pins. The other end of each short connecting rod is connected to a connecting cylinder. The cylinder body of the connecting cylinder is used to be rotatably hinged to the end of the swing arm away from the long connecting rod by a pin.

6. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 1, characterized in that, The bottom end of the packaging bag pressure plate is connected to the connecting seat via an electric slide rail. A sliding block is connected to one side of the connecting seat. The sliding block is vertically slidably limited to the sliding mounting plate. The sliding mounting plate is connected to the pressure plate fixing plate. The pressure plate fixing plate is movable and adjustable in height. A movable cylinder is mounted on the sliding mounting plate. The output end of the movable cylinder is used to connect with the connecting seat, and the movable cylinder drives the connecting seat to move up and down.

7. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 6, characterized in that, The pressure plate fixing plate has screw adjustment blocks connected to both sides of one end face, and the screw adjustment blocks are movably connected to the pressure plate screw rod. The bottom end of the pressure plate screw passes through the pressure plate bearing seat through the bearing and is connected to the pressure plate bevel gear at the end. The pressure plate bevel gear meshes with the pressure plate drive bevel gear. The two pressure plate drive bevel gears are used to connect to the pressure plate drive shaft. The pressure plate drive shaft passes through the adjustment bearing seat through the bearing. One end of the pressure plate drive shaft is connected to the output shaft of the geared motor via a shaft connector. The adjusting bearing housing is used to connect with the pressure plate bearing housing, the pressure plate bearing housing is connected and fixed to the lower sealing support plate, and the lower sealing support plate is used to connect and fix to the heat sealing mounting bracket.

8. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 7, characterized in that, The pressure plate fixing plate is provided with movable guide shafts on both sides of the end face away from the pressure plate screw; The bottom ends of the movable guide shafts pass through the sealing lower support plate and are respectively connected to the end plate bevel gears. The bevel gears are respectively driven to mesh with the bevel gears. The two bevel gears are used to connect to the bevel drive shaft. The bevel drive shaft passes through the adjusting bearing seat through the bearing. One end of the insert drive shaft is connected to the output shaft of the geared motor via a shaft connector; The adjusting bearing seat is used to connect with the pressure plate bearing seat, and the pressure plate bearing seat is connected and fixed to the lower support plate of the sealing end. The top of each of the movable guide shafts is connected to a lead screw for inserting a plate; The top ends of the insert screws are respectively movably passed through the insert screw seat and are connected to the top plate through bearings. The insert screw seat is used to connect with the upper forming sliding plate. The upper forming sliding plate is movable in a lifting manner, and the upper forming insert is used to connect with the upper forming sliding plate by bolts.

9. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 8, characterized in that, The pressure plate fixing plate is connected to guide blocks on both sides of the end face away from the lead screw adjusting block, and a first movable guide rod is movably passed through the guide blocks respectively; The bottom ends of the two first movable guide rods pass through the lower support plate of the seal through bearings, and the ends are respectively connected to movable bevel gears, which are respectively driven by movable drive bevel gears. Two movable drive bevel gears are used to connect to the movable drive shaft; The movable drive shaft passes through the movable bearing housing via a bearing rotation, and one end of the movable drive shaft is connected to the output shaft of the geared motor via a shaft connector; The movable bearing housing is used to connect with the lower support plate of the seal.

10. The adjustable heat-sealing mechanism for pharmaceutical packaging according to claim 9, characterized in that, The top ends of the two first movable guide rods respectively pass through the upper movable guide block and are used to connect with the top plate. The upper movable guide block is connected to one end face of the upper forming sliding plate. The bottom ends of the two first movable guide rods respectively pass through the lower movable guide block and are used to connect with the sealing lower support plate. The lower movable guide block is used to connect with the lower forming sliding plate. The lower forming sliding plate is provided with forming movable lead screws on both sides of one end face near the first movable guide rod; One end of the forming movable lead screw passes through the lower support plate of the sealing end via a bearing and is connected to a forming bevel gear at each end. The forming bevel gear is respectively driven and meshed with a forming drive bevel gear. Two forming drive bevel gears are used to connect to the forming drive shaft; The molding drive shaft passes through the molding bearing housing via a rotating bearing, and one end of the molding drive shaft is connected to the output shaft of the geared motor via a shaft connector; The molded bearing housing is used to connect with the lower support plate of the seal; The lower forming insert is used to connect with the lower forming sliding plate.

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