CN217100750U

CN217100750U - Transverse sealing mechanism capable of quickly dismounting transverse sealing inner die

Info

Publication number: CN217100750U
Application number: CN202220786091.6U
Authority: CN
Inventors: 邓家辉; 蔡秋明
Original assignee: PHARM-TECH (TIANJIN) CO LTD
Current assignee: PHARM-TECH (TIANJIN) CO LTD
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-08-02
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a transverse sealing mechanism capable of quickly dismounting a transverse sealing inner die, which comprises a driving shaft connected with the output end of a servo motor, wherein the driving shaft transmits power to an outer die driving shaft and an inner die driving shaft through a transmission mechanism, the transmission mechanism is a crank link mechanism, a crank is fixed on the shaft end of the driving shaft, two ends of the crank are respectively hinged with one ends of a short connecting rod and a long connecting rod, the other end of the short connecting rod is hinged with one end of the outer die driving shaft, and the other end of the outer die driving shaft is fixed with a transverse sealing outer die through an outer die fixing jackscrew; the inner mold driving shaft is sleeved on the outer mold driving shaft in a shaft sleeve mode; the other end of the long connecting rod is connected with one end of the inner mold driving shaft, the other end of the inner mold driving shaft is connected with a taper sleeve, an inner hole of the transverse-sealing inner mold is a taper hole matched with the taper sleeve, and the transverse-sealing inner mold is fixed with the taper sleeve through an inner mold fixing jackscrew. The transverse sealing inner die component with proper size can be rapidly replaced at any time according to the width of the material bag product, so that the pillow type packaging machine can adapt to the packaging production of pillow type bags with different bag widths.

Description

Transverse sealing mechanism capable of quickly dismounting transverse sealing inner die

Technical Field

The utility model relates to a mechanical structure, more specifically be the last horizontal sealing mechanism of pillow type packagine machine, be applicable to trades such as medicine, food.

Background

At present, a lot of products in the industries of medicines, foods, milk powder and the like in the market are packaged and sold through pillow type bags, the sold pillow type bag products are exquisite in package, various in types and high in consumer selectivity, and a pillow type packaging machine is widely applied to the industry as pillow type bag production equipment.

The existing pillow type packaging machine has the advantages of rapid development and mature technology, and can meet the packaging requirements of a plurality of products. However, investigation shows that the horizontal sealing mechanism of the existing pillow type packaging machine can only produce pillow type bag products with one bag width, and different bag width products need to be produced by different pillow type packaging machines.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned prior art, the utility model provides a but horizontal mechanism that seals centre form is violently sealed to quick assembly disassembly for on pillow package machine can be according to the suitable horizontal centre form of sealing of the quick change of width of pillow package bag to satisfy the wide pillow bag production demand of different bags.

In order to solve the technical problem, the utility model provides a but horizontal sealing mechanism of quick assembly disassembly horizontal sealing centre form, including frame, servo motor, by outer mold drive shaft driven horizontal sealing outer mold and by inner mold drive shaft driven horizontal sealing centre form, servo motor's output drives the driving shaft, the driving shaft passes through drive mechanism and transmits power to outer mold drive shaft and inner mold drive shaft, drive mechanism is crank link mechanism, and the crank wherein is fixed on the axle head of driving shaft, the both ends of crank are articulated with the one end of short connecting rod and long connecting rod respectively, the other end of short connecting rod is articulated with the one end of outer mold drive shaft, the other end of outer mold drive shaft pass through outer mold fixed jackscrew with horizontal sealing outer mold is fixed; the rack is provided with a first linear bearing used for mounting the inner mold driving shaft, the inner mold driving shaft is sleeved on the outer mold driving shaft in a shaft sleeve mode, and two second linear bearings are arranged between the outer mold driving shaft and the inner mold driving shaft; the other end of the long connecting rod is connected with one end of the inner mold driving shaft through an inner mold driving piece, the other end of the inner mold driving shaft is provided with a shaft shoulder for transversely sealing the inner mold for positioning, a shaft section positioned on the outer side of the shaft shoulder is connected with a taper sleeve, an inner hole of the transversely sealed inner mold is a taper hole matched with the taper sleeve, and the transversely sealed inner mold is fixed with the taper sleeve through an inner mold fixing jackscrew; and a compression spring for sealing and buffering is arranged between the taper sleeve and the shaft shoulder.

Further, but horizontal mechanism of sealing of horizontal centre form of quick assembly disassembly, wherein:

the first linear bearing and the second linear bearing are coaxial, after the servo motor is driven, the servo motor drives the driving shaft through belt transmission, and the driving shaft drives the inner die driving shaft to do reciprocating linear movement along the first linear bearing and the outer die driving shaft along the second linear bearing through a crank link mechanism.

And joint bearings are respectively adopted for the connection between one end of the long connecting rod and the crank, the connection between one end of the short connecting rod and the crank, the connection between the other end of the long connecting rod and the outer die driving shaft and the connection between the other end of the short connecting rod and the inner die driving shaft.

The number of the inner mold fixing jackscrews arranged between the transverse sealing inner mold and the taper sleeve is 4, and the inner mold fixing jackscrews are uniformly distributed in the circumferential direction; the number of the outer die fixing jackscrews arranged between the transverse sealing outer die and the outer die driving shaft is 2, and the outer die fixing jackscrews are uniformly distributed in the circumferential direction.

The utility model discloses in, be equipped with many sets of specifications difference, the horizontal centre form that seals of selecting, can install fast and dismantle according to the requirement of the concrete width of pocket product.

Compared with the prior art, the beneficial effects of the utility model are that:

because the horizontal sealing inner/outer die of the horizontal sealing mechanism is designed into an independent component which can be installed and disassembled at any time in an express way, the horizontal sealing inner die component with the proper size can be rapidly replaced at any time according to the width of a material bag product, so that the pillow type packaging machine can adapt to the packaging production of pillow type bags with different bag widths.

Drawings

Fig. 1 is a schematic perspective view of a transverse sealing mechanism of the present invention;

FIG. 2 is a cross-sectional view of a portion of the structure of FIG. 1 showing the inner and outer dies being sealed and driven coaxially;

fig. 3 is a partial structural schematic view of the quick-assembly and disassembly parts of the transverse sealing inner die and the transverse sealing outer die of the transverse sealing mechanism shown in fig. 2.

In the figure:

1-servo motor 2-synchronous belt 3-driving shaft 4-crank

5-pin shaft 6-knuckle bearing 7-short connecting rod 8-long connecting rod

9-external mold driving shaft 10-internal mold driving shaft 11-first linear bearing 12-transverse sealing internal mold

13-transverse sealing external die 14-internal die driving piece 15-screw 16-second linear bearing

17-compression spring 18-taper sleeve 19-taper sleeve fixing sleeve 20-internal mold fixing jackscrew

21-external mold fixing jackscrew

Detailed Description

The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention.

As shown in fig. 1 and fig. 2, the utility model provides a but horizontal sealing mechanism of horizontal sealing centre form of quick assembly disassembly, including frame, servo motor 1, by horizontal sealing external mold 13 of external mold drive shaft drive 9 and by horizontal sealing centre form 12 of centre form drive shaft 10 drive, servo motor 1's output drives driving shaft 3, the both ends of driving shaft 3 transmit power for external mold drive shaft and centre form drive shaft 10 through drive mechanism respectively. The transmission mechanism is a crank connecting rod mechanism, a crank 4 is fixed at the shaft end of the driving shaft 3, two joint bearings 6 are mounted at two ends of the crank 4 through a pin shaft 5, the two joint bearings 6 are respectively hinged with one ends of a short connecting rod 7 and a long connecting rod 8, the other end of the short connecting rod 7 is hinged with one end of an outer mold driving shaft 9, and the other end of the outer mold driving shaft 9 is fixed with the transverse sealing outer mold 13 through an outer mold fixing jackscrew 21.

A first linear bearing 11 for mounting the inner mold driving shaft 10 is arranged on the rack, the inner mold driving shaft 10 can slide along the first linear bearing 11, the inner mold driving shaft 10 is sleeved on the outer mold driving shaft 9 in a shaft sleeve mode, two second linear bearings 16 are arranged between the outer mold driving shaft 9 and the inner mold driving shaft 10, and the outer mold driving shaft 9 can slide along the two second linear bearings 16 in the inner mold driving shaft 10; the other end of long connecting rod 8 connects centre form driving piece 14, centre form driving piece 14 is fixed by screw 15 on one end (rear end) of centre form drive shaft 10, the other end (front end) of centre form drive shaft 10 is equipped with the shaft shoulder that is used for horizontal sealed centre form 12 location, is located to be connected with taper sleeve 18 on the shaft section of the shaft shoulder outside (front end), the hole of horizontal sealed centre form 12 be with taper hole that taper sleeve 18 cooperates, horizontal sealed centre form 12 through centre form fixed jackscrew 20 with taper sleeve 18 is fixed, with horizontal sealed centre form 12 links firmly taper sleeve 18 with be equipped with the compression spring 17 that is used for the involution buffering between the shaft shoulder (centre form drive shaft 10 promptly).

As shown in fig. 2, in the utility model, first linear bearing 11 and second linear bearing 16 are coaxial, drive behind servo motor 1, servo motor 1 drives through the belt drive driving shaft 3, driving shaft 3 drives through crank link mechanism centre form drive shaft 10 is followed first linear bearing 11 reaches external mold drive shaft 9 is followed reciprocal linear movement is done to second linear bearing 16.

As shown in fig. 2, in the present invention, the joint bearings are respectively adopted for the connection between the one end of the long connecting rod 8 and the crank 4, the one end of the short connecting rod 7 and the connection between the crank 4, the other end of the long connecting rod 8 and the connection between the outer mold driving shaft 9 and the connection between the other end of the short connecting rod 7 and the inner mold driving shaft 10.

In the utility model, the number of the internal mold fixing jackscrews 20 arranged between the transverse sealing internal mold 12 and the taper sleeve 18 is 4, and the internal mold fixing jackscrews are uniformly distributed in the circumferential direction; the number of the outer die fixing jackscrews 21 arranged between the transverse sealing outer die 13 and the outer die driving shaft 9 is 2, and the outer die fixing jackscrews are uniformly distributed in the circumferential direction.

The utility model discloses in, be equipped with the different horizontal internal mold 12 that seals of many sets of specifications, select one of them set to assemble according to the requirement of pocket width.

The transverse sealing mechanism works by means of opening and closing actions of the transverse sealing inner die and the transverse sealing outer die, a plurality of heating blocks are arranged on the inner side of the transverse sealing inner die 12 and used for heating the films, a whole sealing lining plate is arranged on the inner side of the transverse sealing outer die 13 and used for being matched with the inner die to fasten and seal, the distance between the plurality of heating blocks on the transverse sealing inner die 12 depends on the width of a product bag, and when different bag width products need to be produced, only the corresponding transverse sealing inner die 12 needs to be replaced. The utility model discloses in, it is coaxial with horizontal external mold 13 both sides installation end to seal centre form 12, consequently, horizontal external mold 13 of sealing when dismouting horizontal internal mold 12 also need dismouting in the lump. As shown in fig. 3, for example, by removing the inner mold 12, the outer mold fixing jackscrews 21 on both sides of the outer mold 13 are pulled out, the outer mold 13 is detached from the outer mold drive shaft 9, and the inner mold 12 is detached by releasing 4 inner mold fixing jackscrews 20 on both sides of the inner mold 12, and the inner mold 12 is detached from the taper sleeve 18.

Because the transverse-sealed inner die 12 is in conical surface fit with the taper sleeve 18, after a proper transverse-sealed inner die 13 is selected according to the width requirement of the material bag, when the transverse-sealed inner die 12 is installed, two ends of the transverse-sealed inner die 12 are sleeved on the taper sleeve 18, the inner die fixing jackscrew 20 is screwed in along the threaded hole of the transverse-sealed inner die 12, so that the inner die fixing jackscrew 20 is jacked into the positioning hole of the taper sleeve 18, the transverse-sealed inner die 12 and the taper sleeve 18 are gradually pressed along with the continuous screwing in of the inner die fixing jackscrew 20, and finally the transverse-sealed inner die 12 and the taper sleeve 18 are tightly attached; then an upper horizontal sealing outer die 13 is mounted, and the outer die fixing jackscrew 21 is screwed down.

Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit of the present invention.

Claims

1. A transverse sealing mechanism capable of quickly dismounting a transverse sealing inner die comprises a rack, a servo motor (1), a transverse sealing outer die (13) driven by an outer die driving shaft (9) and a transverse sealing inner die (12) driven by an inner die driving shaft (10), wherein an output end of the servo motor (1) drives a driving shaft (3), the driving shaft (3) transmits power to the outer die driving shaft and the inner die driving shaft (10) through a transmission mechanism, and is characterized in that,

the transmission mechanism is a crank connecting rod mechanism, a crank (4) is fixed on the shaft end of the driving shaft, two ends of the crank (4) are respectively hinged with one end of a short connecting rod (7) and one end of a long connecting rod (8), the other end of the short connecting rod (7) is hinged with one end of the outer mold driving shaft (9), and the other end of the outer mold driving shaft (9) is fixed with the transverse sealing outer mold (13) through an outer mold fixing jackscrew (21);

the rack is provided with a first linear bearing (11) for mounting the inner mold driving shaft (10), the inner mold driving shaft (10) is sleeved on the outer mold driving shaft (9) in a shaft sleeve mode, and two second linear bearings (16) are arranged between the outer mold driving shaft (9) and the inner mold driving shaft (10);

the other end of the long connecting rod (8) is connected with one end of the inner die driving shaft (10) through an inner die driving piece (14), the other end of the inner die driving shaft (10) is provided with a shaft shoulder used for positioning the transverse sealing inner die (12), a shaft section positioned on the outer side of the shaft shoulder is connected with a taper sleeve (18), an inner hole of the transverse sealing inner die (12) is a taper hole matched with the taper sleeve (18), and the transverse sealing inner die (12) is fixed with the taper sleeve (18) through an inner die fixing jackscrew (20); a compression spring (17) for sealing and buffering is arranged between the taper sleeve (18) and the shaft shoulder.

2. The transverse sealing mechanism of the transverse sealing inner die capable of being rapidly disassembled and assembled is characterized in that the first linear bearing (11) and the second linear bearing (16) are coaxial, after the servo motor (1) is driven, the servo motor (1) drives the driving shaft (3) through belt transmission, and the driving shaft (3) drives the inner die driving shaft (10) to do reciprocating linear movement along the first linear bearing (11) and the outer die driving shaft (9) along the second linear bearing (16) through a crank-link mechanism.

3. The transverse sealing mechanism of the transverse sealing inner die capable of being quickly disassembled and assembled according to claim 1, characterized in that the connection between one end of the long connecting rod (8) and the crank (4), the connection between one end of the short connecting rod (7) and the crank (4), the connection between the other end of the long connecting rod (8) and the outer die driving shaft (9) and the connection between the other end of the short connecting rod (7) and the inner die driving shaft (10) respectively adopt joint bearings.

4. The transverse sealing mechanism of the transverse sealing inner die capable of being rapidly disassembled and assembled as claimed in claim 1, wherein the number of the inner die fixing jackscrews (20) arranged between the transverse sealing inner die (12) and the taper sleeve (18) is 4, and the inner die fixing jackscrews are uniformly distributed in the circumferential direction; the number of the outer die fixing jackscrews (21) arranged between the transverse sealing outer die (13) and the outer die driving shaft (9) is 2, and the outer die fixing jackscrews are uniformly distributed in the circumferential direction.

5. The transverse sealing mechanism of the transverse sealing inner die capable of being rapidly disassembled and assembled according to claim 1 is characterized in that a plurality of sets of transverse sealing inner dies (12) with different specifications are arranged, and one set is selected for assembly according to the requirement of the width of a material bag.