CN218966180U - Infusion bag mouth pipe welding device - Google Patents

Abstract

The application relates to a transfusion bag mouth tube welding device, which comprises an upper pressing plate and a lower pressing plate, wherein the upper pressing plate and the lower pressing plate are both positioned on one side of a shaping device, one side of the upper pressing plate is provided with a conveyor belt and a follower fixture, the upper pressing plate is provided with a positioning assembly, the positioning assembly comprises an upper mounting plate fixedly connected to the upper pressing plate, and the lower surface of the lower pressing plate is fixedly connected with a lower mounting plate; the upper mounting plate is fixedly connected with a matching plate, the matching plate is connected with a fixing bolt in a sliding mode, the fixing bolt is fixedly connected with a sleeve, the lower mounting plate is connected with a positioning rod in a sliding mode, the positioning rod penetrates through the lower mounting plate, the lower end of the positioning rod is fixedly connected with a plurality of reset springs, the upper ends of the reset springs are connected with the lower mounting plate, the upper ends of the positioning rods are connected with the sleeve in an inserting mode, the fixing bolt is connected with a fixing nut in a threaded mode, and the fixing nut is in butt joint with the matching plate. The welding effect that this application had the reduction to mouth tube and bag body produces adverse effect's effect.

Description

Infusion bag mouth pipe welding device

Technical Field

The application relates to the field of equipment for manufacturing infusion bags, in particular to a welding device for an infusion bag mouth tube.

Background

The infusion bag comprises a bag body and a mouth tube, when the infusion bag is produced, the mouth tube and the infusion bag are pre-connected in the infusion bag forming process, a plurality of infusion bags are usually formed into a group in the forming process, at the moment, the plurality of infusion bags in the group are in a connection state, and after the infusion bags are formed, the follow-up clamp conveys the group of infusion bags to the mouth tube welding device to formally weld the mouth tube and the bag body into a whole.

Common mouth tube welding set includes a plurality of top presss from both sides and corresponds the holding down plate that sets up with the top presss from both sides, and the quantity of top presss from both sides corresponds with the quantity of a set of infusion bag, and the pallet delivers a set of infusion bag after the shaping to mouth tube welding set department, and every mouth tube all places on the holding down plate that corresponds, then a plurality of top presss from both sides simultaneously down move, and top presss from both sides and holding down plate all have heated to the top presss from both sides and holding down plate cooperation is as an organic whole with mouth tube and bag body welding, and the infusion bag after the welding is accomplished carries to next process and cuts, thereby separates a plurality of infusion bags of a set of.

All be equipped with the recess that corresponds the setting with the mouth pipe on top board and the holding down plate, when shifting the retinue anchor clamps stroke of the bag body and error, probably can lead to the mouth pipe can not get into in the recess on top board and the holding down plate, lead to top board and holding down plate to the welding position that the mouth pipe goes on to appear the deviation to the welding effect to mouth pipe and the bag body has produced adverse effect.

Disclosure of Invention

In order to reduce the condition that produces adverse effect to the welding effect of mouth tube and bag body, this application provides an infusion bag mouth tube welding set.

The application provides a transfusion bag mouth pipe welding set adopts following technical scheme:

the utility model provides an infusion bag mouth pipe welding set, includes a plurality of top pressboards and the holding down plate that sets up with the top pressboard one-to-one, the top pressboard is located the holding down plate top, and top pressboard and holding down plate all are located one side of shaping device, and one side of top pressboard is equipped with the conveyer belt, installs a plurality of follower fixtures on the conveyer belt, and the length direction of conveyer belt sets up along the range direction of a plurality of top pressboards, is equipped with the locating component that carries out the location to follower fixtures on the top pressboard of keeping away from shaping device one side, and locating component includes the upper mounting panel of fixed connection on the upper surface of top pressboard, and the length direction of upper mounting panel sets up along the range direction of a plurality of top pressboards, fixedly connected with on the lower surface of holding down plate corresponds the lower mounting panel that sets up with the upper mounting panel;

the upper surface of the upper mounting plate is vertically and fixedly connected with a matching plate, the length direction of the matching plate is set along the length direction of the upper mounting plate, a fixing bolt is inserted on the matching plate in a sliding mode, a sleeve is fixedly connected to the fixing bolt, an opening of the sleeve is arranged downwards, the sleeve is located on one side, away from the upper pressing plate, of the matching plate, a positioning rod corresponding to the sleeve is inserted on the lower mounting plate in a sliding mode, the positioning rod penetrates through the lower mounting plate, the lower end of the positioning rod is fixedly connected with a plurality of reset springs, the upper end of the reset spring is connected with the lower mounting plate, the upper end of the positioning rod is inserted in the sleeve, the length direction of the positioning rod is perpendicular to the length direction of the matching plate, a fixing nut is connected to the fixing bolt in a threaded mode, and the fixing nut is abutted to the matching plate.

By adopting the technical scheme, when the bag body and the mouth tube are required to be welded, an operator firstly screws the fixing nut until the fixing nut is separated from contact with the matching plate, at the moment, the operator moves the fixing bolt, the fixing bolt drives the positioning rod to move along the length direction of the matching plate, when the positioning rod moves to a preset position, the fixing nut is screwed until the fixing nut is abutted with the matching plate, at the moment, the fixing nut is matched with the matching plate to fix the fixing bolt, so that the position of the positioning rod can be fixed, at the moment, a welding device is started, a group of bag bodies at the shaping device are transferred onto the lower pressing plate by the follower fixture, at the moment, each mouth tube is positioned in a corresponding groove, then the upper pressing plate moves downwards, the positioning rod stretches the reset spring, the upper pressing plate is matched with the mouth tube and the bag body into a whole, at the moment, the situation that the welding effect of deviation on the mouth tube and the bag body is adversely affected is reduced, at the moment, the follower fixture is prevented from continuously moving to the lower surface of the positioning plate is well welded, and the upper pressing plate can be continuously welded to the lower surface of the bag body; after the bag body is transferred, an operator releases the positioning rod, the reset spring is deformed in a recovery mode and pulls the positioning rod to move upwards until the reset spring is restored to a natural state, and at the moment, the positioning rod is inserted into the sleeve, so that the positioning rod can position the follower fixture for transferring the next group of bag bodies.

Optionally, a strip-shaped hole corresponding to the positioning rod is formed in the lower mounting plate, the length direction of the strip-shaped hole is set along the length direction of the lower mounting plate, the positioning rod is slidably inserted into the strip-shaped hole, a sleeve is slidably connected to the lower surface of the lower mounting plate, the sleeve and the positioning rod are coaxially arranged, the positioning rod is slidably inserted into the sleeve, and the sleeve moves along the length direction of the lower mounting plate.

Through adopting above-mentioned technical scheme, when the locating lever moves along the length direction of last mounting panel, the locating lever drives the sleeve pipe and removes, and the sleeve pipe is led the locating lever, and when the locating lever along with the vertical removal of top board, the locating lever slides in the sleeve pipe, and the sleeve pipe is led the locating lever, and at the in-process that the locating lever removed, the sleeve pipe is to the direction that the locating lever carried out, has reduced the condition that the locating lever takes place the slope at the in-process that removes to in the messenger locating lever can be better peg graft to the sleeve, make the locating lever more accurate to the location of follower.

Optionally, a chute is formed in the upper surface of the upper mounting plate, the length direction of the chute is set along the length direction of the upper mounting plate, a sliding block is inserted in the chute in a sliding manner, the fixing bolt is fixedly connected to the sliding block, a through hole is formed in the matching plate, the length direction of the through hole is set along the length direction of the matching plate, and the fixing bolt is inserted in the through hole in a sliding manner.

Through adopting above-mentioned technical scheme, when operating personnel need change the position of locating lever, promote fixing bolt, fixing bolt drives the slider and removes, slider and spout cooperation, make fixing bolt can follow the length direction slip of last mounting panel.

Optionally, scales are engraved on the matching plate, and zero scale marks are aligned with the hole wall of the through hole, which is close to the shaping device.

By adopting the technical scheme, an operator can contrast the scale when moving the positioning rod, so that the position of the positioning rod can be accurately determined.

Optionally, a driving spring is fixedly connected to the groove wall of one end of the chute far away from the shaping device, and one end of the driving spring far away from the groove wall of the chute is fixedly connected to the sliding block.

Through adopting above-mentioned technical scheme, when the cell wall butt that slider and spout are close to the shaping device, drive spring is in compression state, when need weld not unidimensional bag body and mouth pipe, operating personnel twists fixation nut, drive spring resumes deformation and promotes slider, fixing bolt and locating lever and remove, until fixing bolt and through-hole are close to the pore wall butt of shaping device one end, the locating lever corresponds zero scale mark this moment, and operating personnel can more convenient contrast scale moves the locating lever to predetermined position.

Optionally, a bottom fixing component for fixing the positioning rod is arranged on the lower mounting plate.

Through adopting above-mentioned technical scheme, bottom fixed subassembly and fixing bolt cooperation are fixed the locating lever simultaneously, have reduced the condition that the locating lever takes place the displacement at the during operation, have improved the welding effect of area body and mouth tube.

Optionally, the bottom fixed subassembly includes the external screw thread of seting up on the sleeve pipe lateral wall, and bottom fixed subassembly still includes a bottom fixed block, has seted up the screw hole that corresponds with the sleeve pipe on the bottom fixed block, bottom fixed block threaded connection on the sleeve pipe, and bottom fixed block and lower mounting panel butt.

Through adopting above-mentioned technical scheme, when needing to remove the locating lever, twist respectively and move bottom fixed block and fixation nut, make bottom fixed block and mounting panel break away from the contact down, fixation nut and cooperation board break away from the contact, operating personnel can remove the locating lever this moment, when needing the fixed locating lever, operating personnel twist respectively and move fixation nut and bottom fixed block, make fixation nut and cooperation board butt, bottom fixed block and mounting panel butt down, fixation nut and cooperation board cooperation are fixed the upper end of locating lever, bottom fixed block and lower mounting panel cooperation are fixed the lower extreme of locating lever, the condition that the locating lever takes place the displacement has further been reduced.

Optionally, fixedly connected with two guide blocks on the sheathed tube up end, the bar hole is located between two guide blocks, still offered the guide way that sets up with the guide block one-to-one on the lower surface of mounting panel down, the length direction of guide way sets up along the length direction of mounting panel down, and every guide block all slides and peg graft in the guide way that corresponds.

Through adopting above-mentioned technical scheme, when the sleeve pipe removes along the length direction of mounting panel down, the sleeve pipe drives the guide block and removes in the guide way, and the guide block cooperates with the guide way, makes sleeve pipe and mounting panel sliding connection down.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the upper pressing plate, the lower pressing plate, the upper mounting plate, the fixing bolt, the matching plate, the positioning rod, the fixing nut, the reset spring and the sleeve, the condition that the welding effect of the mouth tube and the bag body is adversely affected due to deviation of the travelling of the follow-up clamp is reduced;

2. by arranging the sleeve, the sleeve guides the positioning rod in the moving process of the positioning rod, so that the inclination of the positioning rod in the moving process is reduced, and the positioning rod can accurately position the follower fixture;

3. through setting up the bottom fixed block, the bottom fixed block is fixed the lower extreme of locating lever with lower mounting panel cooperation, has further reduced the condition that the locating lever takes place the displacement.

Drawings

Fig. 1 is a schematic view showing an overall structure of a welding apparatus according to an embodiment of the present application.

FIG. 2 is a schematic diagram of an overall structure embodying a positioning assembly according to an embodiment of the present application.

Fig. 3 is a cross-sectional view showing a part of the structure of a welding apparatus according to an embodiment of the present application.

Fig. 4 is a cross-sectional view of a portion of a structure embodying a positioning assembly according to an embodiment of the present application.

Fig. 5 is an enlarged view showing the structure at a in fig. 4.

Reference numerals illustrate: 1. an upper press plate; 2. a lower pressing plate; 21. a groove; 3. a positioning assembly; 31. an upper mounting plate; 311. a chute; 312. a slide block; 32. a lower mounting plate; 321. a bar-shaped hole; 322. a guide groove; 33. matching plates; 331. a through hole; 34. a fixing bolt; 35. a positioning rod; 351. an anti-drop plate; 36. a fixing nut; 37. a sleeve; 371. a guide block; 38. a sleeve; 39. a return spring; 4. a drive spring; 5. a bottom fixing assembly; 51. a bottom fixing block; 52. a threaded hole; 6. a molding device; 7. a conveyor belt; 8. a follower fixture; 9. a bag body.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a welding device for an infusion bag mouth tube. Referring to fig. 1 and 2, the welding device includes a plurality of upper pressing plates 1 and lower pressing plates 2 arranged in one-to-one correspondence with the upper pressing plates 1, each of the upper pressing plates 1 and the lower pressing plates 2 is located at one side of the shaping device, the plurality of upper pressing plates 1 are arranged along the horizontal direction, the upper pressing plates 1 and the corresponding lower pressing plates 2 are parallel to each other, and grooves 21 arranged corresponding to the mouth tube are formed on the side walls of the upper pressing plates 1 and the lower pressing plates 2 close to each other; the welding device further comprises a conveying belt 7, a plurality of follower fixtures 8 are arranged on the conveying belt 7, the length direction of the conveying belt 7 is set along the arrangement direction of the plurality of upper pressing plates 1, the follower fixtures 8 and the conveying belt 7 are located on one side of the upper pressing plates 1, each follower fixture 8 clamps a mouth tube, the conveying belt 7 conveys the follower fixtures 8, and therefore a plurality of bags 9 of the shaping device are transferred to the corresponding lower pressing plates 2.

Referring to fig. 3 and 4, a pair of upper press plates 1 and lower press plates 2, which are located at a side far away from the shaping device, are jointly provided with a positioning assembly 3, the positioning assembly 3 positions the pallet 8, errors of travel distances of the pallet 8 are reduced, each mouth tube corresponds to a corresponding groove 21, and adverse effects on welding effects of the mouth tube and the bag body 9 are reduced.

The positioning assembly 3 comprises an upper mounting plate 31 fixedly connected to the upper surface of the upper pressing plate 1, the positioning assembly 3 further comprises a lower mounting plate 32 fixedly connected to the lower surface of the lower pressing plate 2, the upper mounting plate 31 and the lower mounting plate 32 are all arranged in parallel with the upper pressing plate 1, the length directions of the upper mounting plate 31 and the lower mounting plate 32 are all arranged along the arrangement direction of the upper pressing plate 1, the width of the lower mounting plate 32 is larger than that of the upper mounting plate 31, and the upper mounting plate 31 and the lower mounting plate 32 are both positioned between the upper pressing plate 1 and the follower fixture 8; the upper surface of the upper mounting plate 31 is provided with a sliding groove 311, the length direction of the sliding groove 311 is along the length direction of the upper mounting plate 31, a sliding block 312 is connected in the sliding groove 311 in a sliding manner, and the upper surface of the sliding block 312 is higher than the upper surface of the upper mounting plate 31.

The upper surface of the upper mounting plate 31 is vertically and fixedly connected with a matching plate 33, the matching plate 33 is positioned on one side of the sliding groove 311 away from the upper pressing plate 1, the upper surface of the matching plate 33 is higher than the upper surface of the sliding block 312, and the length direction of the matching plate 33 is arranged along the length direction of the upper mounting plate 31; the slider 312 is close to the perpendicular fixedly connected with fixing bolt 34 on the lateral wall of joining in marriage the board 33, sets up the through-hole 331 that corresponds the setting with fixing bolt 34 on joining in marriage the board 33 and keep away from the lateral wall of top board 1, and the length direction of through-hole 331 sets up along the length direction of joining in marriage board 33, and fixing bolt 34 slip grafting is in through-hole 331, and threaded connection has a fixation nut 36 on the fixing bolt 34, and fixation nut 36 is located joining in marriage the board 33 and keeps away from one side of mounting panel 31, fixation nut 36 and joining in marriage board 33 butt.

Referring to fig. 4 and 5, a sleeve 38 is fixedly connected to the end of the fixing bolt 34 away from the sliding block 312, and the opening of the sleeve 38 is downward; the upper surface of the lower mounting plate 32 is provided with a strip-shaped hole 321 which is arranged corresponding to the sleeve 38, and the length direction of the strip-shaped hole 321 is arranged along the length direction of the lower mounting plate 32; a sleeve 37 is arranged below the lower mounting plate 32, the sleeve 37 is perpendicular to the lower mounting plate 32, and the sleeve 37 is arranged corresponding to the sleeve 38.

The upper end face of the sleeve 37 is fixedly connected with two T-shaped guide blocks 371, the strip-shaped hole 321 is positioned between the two guide blocks 371, guide grooves 322 which are arranged in one-to-one correspondence with the guide blocks 371 are formed in the lower surface of the lower mounting plate 32, the length direction of the guide grooves 322 is arranged along the length direction of the strip-shaped hole 321, and each guide block 371 is slidably inserted into the corresponding guide groove 322; because the guide block 371 is T-shaped, the condition that the guide block 371 is separated from the guide groove 322 is reduced, the positioning rod 35 is slidably inserted into the sleeve 37, and the positioning rod 35 and the sleeve 37 are coaxially arranged.

The sleeve 37 is inserted with a locating rod 35 in a sliding manner, the length direction of the locating rod 35 is perpendicular to the length direction of the upper mounting plate 31, an anti-falling plate 351 is fixedly connected to the lower end face of the locating rod 35, the inscribed circular area of the anti-falling plate 351 is larger than the inner diameter of the sleeve 37, the anti-falling plate 351 is located below the sleeve 37, the lower end face of the sleeve 37 is fixedly connected with a plurality of return springs 39, the plurality of return springs 39 are uniformly distributed along the circumference of the sleeve 37, the lower end of each return spring 39 is fixedly connected to the upper surface of the anti-falling plate 351, when the return springs 39 are in a natural state, the locating rod 35 is inserted into the strip-shaped hole 321, and the upper end of the locating rod 35 is inserted into the sleeve 38.

In the initial state, a distance exists between the upper pressing plate 1 and the lower pressing plate 2, the positioning rod 35 is simultaneously inserted into the sleeve 38 and the sleeve 37, the return spring 39 is in a natural state, when the follower fixture 8 needs to be positioned, the fixing nut 36 is firstly screwed to enable the fixing nut 36 to be separated from the matched plate 33, at the moment, an operator pushes the fixing bolt 34 to enable the fixing bolt 34 to slide along the through hole 331, the fixing bolt 34 drives the sleeve 38, the positioning rod 35 and the sliding block 312 to move, and the positioning rod 35 moves to drive the sleeve 38 and the sliding block 312 to move; when the positioning rod 35 moves to a preset position, the operator screws the fixing nut 36 until the fixing nut 36 abuts against the mating plate 33, and the fixing nut 36 cooperates with the mating plate 33 to fix the fixing bolt 34, thereby fixing the position of the positioning rod 35.

When a plurality of bag bodies 9 of pallet 8 centre gripping a set of move to between upper platen 1 and the holding down plate 2, keep away from the pallet 8 and the locating lever 35 butt of forming device 6, the locating lever 35 prevents pallet 8 to continue to move to the direction of keeping away from forming device 6 to the mouth pipe on the messenger every bag body 9 all is located the recess 21 that corresponds holding down plate 2, thereby can more accurate welding to mouth pipe and bag body 9 when upper platen 1 and holding down plate 2 cooperate, reduced pallet 8 travel distance and produced the condition that the deviation leads to producing adverse effect to mouth pipe welding effect.

The upper pressing plate 1 moves towards the direction approaching to the lower pressing plate 2, the upper pressing plate 1 moves to drive the upper mounting plate 31 and the sleeve 38 to move, the sleeve 38 presses the positioning rod 35 and the anti-falling plate 351 to move downwards, the positioning rod 35 slides in the sleeve 37, and the anti-falling plate 351 stretches the return spring 39 while moving; when the welding of the mouth tube and the bag body 9 is completed, the operator continuously pulls the anti-falling plate 351 downwards, the anti-falling plate 351 drives the positioning rod 35 to move, and when the positioning rod 35 is separated from the sleeve, the anti-falling plate 351 is continuously pulled until the upper end surface of the positioning plate is lower than the upper surface of the lower mounting plate 32, and when the anti-falling plate 351 moves, the anti-falling plate 351 stretches the reset spring 39.

When the pallet 8 moves the welded bag body 9 to the side of the upper mounting plate 31 far away from the forming device 6, the operator releases the anti-falling plate 351, at this time, the return spring 39 recovers to deform and pulls the anti-falling plate 351 to move upwards, the anti-falling plate 351 pushes the positioning rod 35 to move upwards, when the return spring 39 recovers to a natural state, the upper end of the positioning rod 35 is inserted into the sleeve 38, and at this time, the positioning rod 35 can position the pallet 8 for clamping the next group of bag bodies 9.

In order to enable an operator to more accurately determine the position of the positioning rod 35, scales are carved on the side wall of the matching plate 33, which is far away from the sliding block 312, and the hole wall of the through hole 331, which is close to one side of the forming device 6, is provided with zero scales; the side wall of the slide block 312 far away from the forming device 6 is fixedly connected with a driving spring 4, the length direction of the driving spring 4 is set along the length direction of the upper mounting plate 31, one end of the driving spring 4 far away from the slide block 312 is fixedly connected to the groove wall of the side of the slide groove 311 far away from the forming device 6, and when the positioning rod 35 is abutted with the hole wall of the through hole 331 near one end of the forming device 6, the driving spring 4 is in a compressed state.

When the position of the positioning rod 35 needs to be adjusted according to the size of the bag body 9, an operator screws the fixing nut 36, and when the fixing nut 36 is separated from the matching plate 33, the driving spring 4 pushes the sliding block 312, the fixing bolt 34 and the positioning rod 35 to move until the positioning rod 35 is abutted with the hole wall of the through hole 331 close to one end of the forming device 6, so that the positioning rod 35 moves to the zero scale mark, the positioning rod 35 is zeroed, and the positioning rod 35 is conveniently adjusted by the operator.

When the positioning rod 35 moves along the length direction of the upper mounting plate 31, the positioning rod 35 moves to drive the sleeve 37 to move, the sleeve 37 drives the guide block 371 to move along the guide groove 322, the guide block 371 is matched with the guide groove 322 to guide the sleeve 37, and the sleeve 37 guides the positioning rod 35, so that the inclination of the positioning rod 35 during movement is reduced; when the positioning rod 35 moves vertically, the positioning rod 35 slides in the sleeve 37, the sleeve 37 guides the movement of the positioning rod 35, and the inclination of the positioning rod 35 during the movement is reduced, so that the positioning rod 35 can position the follower fixture 8 more accurately, and the deviation of a pipe orifice from the corresponding groove 21 is reduced.

In order to reduce the deflection of the positioning rod 35 during operation, the lower mounting plate 32 is further provided with a bottom fixing component 5 for fixing the positioning rod 35; the bottom fixed subassembly 5 includes the external screw thread of seting up on the sleeve pipe 37 lateral wall, and bottom fixed subassembly 5 still includes bottom fixed block 51, has seted up the screw hole 52 that corresponds the setting with sleeve pipe 37 on the bottom fixed block 51, and bottom fixed block 51 threaded connection is on sleeve pipe 37, and the upper surface of bottom fixed block 51 and the lower surface butt of mounting panel 32 down, bottom fixed block 51 and the cooperation of mounting panel 32 down are fixed sleeve pipe 37, and sleeve pipe 37 carries out spacingly to locating lever 35 to the condition that locating lever 35 takes place the skew has been reduced.

The implementation principle of the infusion bag mouth tube welding device provided by the embodiment of the application is as follows: when welding the mouth tube and the bag body 9 is required, the fixing nut 36 and the bottom fixing block 51 are screwed first to separate the fixing nut 36 from the matching plate 33, the bottom fixing block 51 is separated from the lower mounting plate 32, at this time, the driving spring 4 is restored to deform and pushes the sliding block 312, the fixing bolt 34, the positioning rod 35, the sleeve 37 and the guide block 371 to move, then the operator moves the positioning rod 35 according to the scale, and after the positioning rod 35 moves to a predetermined position, the fixing nut 36 and the bottom fixing block 51 are screwed respectively to make the fixing nut 36 abut against the matching plate 33, and the bottom fixing block 51 abuts against the lower mounting plate 32.

After the position of the positioning rod 35 is adjusted, the pallet 8 transfers a group of bag bodies 9 on the shaping device to the lower pressure plate 2, when one side of the pallet 8 away from the shaping device is abutted against the positioning rod 35, each mouth tube is located in the corresponding groove 21, then the upper pressure plate 1 moves towards the direction close to the lower pressure plate 2, so that the upper pressure plate 1 and the lower pressure plate 2 are matched to weld the mouth tube and the bag bodies 9 into a whole, in the moving process of the upper pressure plate 1, the upper pressure plate 1 drives the upper mounting plate 31, the matching plate 33 and the positioning rod 35 to move vertically, so that the positioning rod 35 slides in the sleeve 37, and the positioning rod 35 moves to push the anti-falling plate 351 to move, so that the reset spring 39 is stretched.

After the welding of the mouth tube and the belt body is completed, the operator continues to pull the anti-falling plate 351 downwards until the upper end face of the positioning rod 35 is lower than the upper surface of the lower mounting plate 32, so that the following fixture 8 can transfer the welded bag body 9, after the welded bag body 9 is transferred, the anti-falling plate 351 is loosened, and the reset spring 39 is restored to deform and pulls the positioning rod 35 to move until the positioning rod 35 is inserted into the sleeve 38.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides an infusion bag mouth pipe welding set, includes a plurality of top board (1) and with holding down plate (2) that top board (1) one-to-one set up, top board (1) are located holding down plate (2) top, and top board (1) all are located one side of shaping device with holding down plate (2), and one side of top board (1) is equipped with conveyer belt (7), installs a plurality of follower fixture (8) on conveyer belt (7), and the length direction of conveyer belt (7) sets up its characterized in that along the range direction of a plurality of top boards (1): a positioning assembly (3) for positioning the follower fixture (8) is arranged on the upper pressing plate (1) far away from one side of the forming device (6), the positioning assembly (3) comprises an upper mounting plate (31) fixedly connected to the upper surface of the upper pressing plate (1), the length direction of the upper mounting plate (31) is arranged along the arrangement direction of the plurality of upper pressing plates (1), and a lower mounting plate (32) which is arranged corresponding to the upper mounting plate (31) is fixedly connected to the lower surface of the lower pressing plate (2); the upper surface of upper mounting plate (31) is gone up vertical fixedly connected with and joins in marriage plywood (33), the length direction of cooperation plywood (33) sets up along the length direction of upper mounting plate (31), sliding grafting has a fixing bolt (34) on joining in marriage plywood (33), fixedly connected with sleeve (38) on fixing bolt (34), the opening of sleeve (38) sets up downwards, sleeve (38) are located the one side that upper clamp plate (1) was kept away from to cooperation plywood (33), sliding grafting has a locating lever (35) that corresponds the sleeve (38) on mounting plate (32) down, locating lever (35) run through mounting plate (32) down, the lower extreme fixedly connected with a plurality of reset spring (39) of locating lever (35), the upper end and the lower mounting plate (32) of reset spring (39) are connected, the upper end grafting of locating lever (35) is in sleeve (38), the length direction of locating lever (35) is perpendicular with the length direction of cooperation plywood (33), threaded connection has a fixation nut (36) on fixing bolt (34), fixation nut (36) and cooperation plywood (33) butt.

2. The infusion bag port tube welding device of claim 1, wherein: the lower mounting plate (32) is provided with a strip-shaped hole (321) which is arranged corresponding to the positioning rod (35), the length direction of the strip-shaped hole (321) is arranged along the length direction of the lower mounting plate (32), the positioning rod (35) is slidably inserted into the strip-shaped hole (321), a sleeve (37) is slidably connected onto the lower surface of the lower mounting plate (32), the sleeve (37) and the positioning rod (35) are coaxially arranged, the positioning rod (35) is slidably inserted into the sleeve (37), and the sleeve (37) moves along the length direction of the lower mounting plate (32).

3. The infusion bag port tube welding device of claim 1, wherein: a sliding groove (311) is formed in the upper surface of the upper mounting plate (31), the length direction of the sliding groove (311) is arranged along the length direction of the upper mounting plate (31), a sliding block (312) is inserted in the sliding groove (311) in a sliding mode, a fixing bolt (34) is fixedly connected to the sliding block (312), a through hole (331) is formed in the matching plate (33), the length direction of the through hole (331) is arranged along the length direction of the matching plate (33), and the fixing bolt (34) is inserted in the through hole (331) in a sliding mode.

4. A welding device for an infusion bag port tube according to claim 3, wherein: scales are carved on the matching plate (33), and zero scale marks are aligned with the hole wall of the through hole (331) close to the shaping device.

5. The infusion bag port tube welding device of claim 4, wherein: a driving spring (4) is fixedly connected to the groove wall of one end, far away from the shaping device, of the sliding groove (311), and one end, far away from the groove wall of the sliding groove (311), of the driving spring (4) is fixedly connected to a sliding block (312).

6. An infusion bag port tube welding device as defined in claim 2, wherein: the lower mounting plate (32) is provided with a bottom fixing component (5) for fixing the positioning rod (35).

7. The infusion bag port tube welding device of claim 6, wherein: the bottom fixing assembly (5) comprises an external thread formed in the outer side wall of the sleeve (37), the bottom fixing assembly (5) further comprises a bottom fixing block (51), a threaded hole (52) corresponding to the sleeve (37) is formed in the bottom fixing block (51), the bottom fixing block (51) is connected to the sleeve (37) in a threaded mode, and the bottom fixing block (51) is in butt joint with the lower mounting plate (32).

8. An infusion bag port tube welding device as defined in claim 2, wherein: two guide blocks (371) are fixedly connected to the upper end face of the sleeve (37), the strip-shaped hole (321) is located between the two guide blocks (371), guide grooves (322) which are arranged in one-to-one correspondence with the guide blocks (371) are further formed in the lower surface of the lower mounting plate (32), the length direction of the guide grooves (322) is arranged along the length direction of the lower mounting plate (32), and each guide block (371) is slidably inserted into the corresponding guide groove (322).

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