CN204624026U - Conjoined package bag cuts the bag cutting mechanism of unit machine - Google Patents

Abstract

The utility model relates to a bag cutting mechanism of a one-piece packaging bag slitting and cutting unit machine, which comprises a cutter wallboard, a bag cutting assembly and a driving device for driving the bag cutting assembly to perform reciprocating lifting movements on the cutter wallboard. The driving device described above is connected to the bag cutting assembly; the bag cutting assembly includes an outer knife plate, a toothed knife and an inner knife plate, and the outer knife plate, the toothed knife and the inner knife plate are stacked in sequence and fixedly connected to form an integral part. The cutting edge of the serrated knife is located below. The toothed knife can move linearly along the up and down direction of the cutter wallboard, and the toothed knife can cut the packaging bag after the bag pressing plate and the inner and outer knife plates are pressed tightly, so that the cutting edge is smoother and the cutting unit is improved. Machine-to-cut bag quality of one-piece packaging bags.

Description

The bag cutting mechanism of the one-piece packaging bag slitting and cutting unit machine

technical field

The utility model relates to a bag cutting mechanism of a one-piece packaging bag slitting and cutting unit machine.

Background technique

The slitting unit machine is mainly used to cut off the one-piece packaging bag. The bag cutting mechanism of the traditional slitting unit machine lacks the compression of the packaging bag, which makes it easy to cut crookedly and affect the quality of the bag.

Utility model content

The technical problem to be solved by the utility model is: to overcome the deficiencies of the prior art, and provide a bag cutting mechanism of a one-piece packaging bag slitting and cutting unit machine.

The technical solution adopted by the utility model to solve the technical problem is: a bag cutting mechanism of a one-piece packaging bag slitting unit machine, including a cutter wallboard, a bag cutting assembly, and a bag cutting assembly for driving the bag cutting assembly on the cutter wallboard. A driving device for reciprocating lifting movement, the driving device is connected with the bag cutting assembly;

The bag cutting assembly includes an outer knife plate, a toothed knife and an inner knife plate, the outer knife plate, the toothed knife and the inner knife plate are stacked in sequence and fixedly connected to form an integral part, and the edge of the toothed knife is located below .

Further, sliders are respectively installed on both sides of the bag cutting assembly, slide rails are respectively provided on both sides of the cutter wallboard, and the slide rails are arranged in the sliders so that the bag cutting assembly and the cutter A sliding fit is formed between the wall panels.

Further, a bag pressing assembly is installed on the outer knife plate and/or the inner knife plate of the bag cutting assembly;

The bag-pressing assembly includes a mounting block, a bag-pressing rod, a compression spring, a bushing and a bag-pressing plate. The mounting block is fixed on the knife plate, and the bag-pressing rod passes through the mounting block and connects with the mounting block. Form a sliding fit between them, the bushing passes through the bag-pressing plate and is connected with the bag-pressing rod, the compression spring is sleeved on the bag-pressing rod and the bushing, and the upper and lower ends of the compression spring are respectively connected with the mounting block Press against the bag board tightly.

Further, the drive device includes a geared motor, a motor rocker arm and a joint bearing, the geared motor passes through the cutter wallboard and is connected to one end of the motor rocker arm, and the other end of the motor rocker arm is connected to the upper end of the joint bearing , the lower end of the joint bearing is fixedly connected with the upper end of the bag cutting assembly.

The beneficial effects of the utility model are: the utility model enables the toothed knife to move linearly along the up and down direction of the cutter wallboard, the inner knife plate and the outer knife plate respectively press the cutting edge of the packaging bag inside and outside, and then use the tooth Cutting with a type knife to make the cutting edge more smooth and cut quickly, and improve the quality of the bag cutting of the one-piece packaging bag by the slitting unit machine.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is an exploded view of the bag cutting mechanism of the utility model conjoined packaging bag slitting unit machine;

Fig. 2 is the schematic diagram of pressing bag assembly;

Fig. 3 is an assembly drawing of the bag cutting mechanism of the utility model conjoined packaging bag slitting unit machine;

Among them, 1. Cutter wallboard, 2. Bag cutting assembly, 21. Outer knife plate, 22. Toothed knife, 23. Inner knife plate, 3. Slider, 4. Slide rail, 5. Bag pressing assembly, 51 , mounting block, 52, bag pressing bar, 53, clip spring, 54, bag pressing plate, 55, bushing, 6, drive unit, 61, reduction motor, 62, motor rocking arm, 63, joint bearing.

Detailed ways

Now in conjunction with specific embodiment the utility model is described further. These drawings are simplified schematic diagrams only to illustrate the basic structure of the utility model in a schematic way, so they only show the configurations related to the utility model.

As shown in Fig. 1, Fig. 2 and Fig. 3, a bag cutting mechanism of a one-piece packaging bag slitting and cutting unit machine includes a cutter wallboard 1, a bag cutting assembly 2, and is used to drive the bag cutting assembly 2 on the cutter wallboard 1. Do the driving device 6 of reciprocating lifting movement, and the driving device 6 is connected with the bag cutting assembly 2.

The bag cutting assembly 2 includes an outer knife plate 21, a toothed knife 22, and an inner knife plate 23. The outer knife plate 21, the toothed knife 22, and the inner knife plate 23 are sequentially stacked and fixedly connected to form an integral part. The edge of the toothed knife 22 is located at below. The toothed knife 22 is clamped in the middle by the outer knife plate 21 and the inner knife plate 23. During work, the outer knife plate 21 and the inner knife plate 23 are pressed on both sides of the joint seam of the conjoined packaging bag. The serrated knife 22 cuts the seam in the middle.

Sliders 3 are respectively installed on both sides of the bag cutting assembly 2, and slide rails 4 are respectively arranged on both sides of the cutter wallboard 1, and the slide rails 4 are arranged in the slider 3, so that the bag cutting assembly 2 and the cutter wallboard 1 form a sliding fit. Relying on the slide rail 4 and the slide block 3, the cutting of the toothed knife 22 in the bag cutting assembly 2 becomes more precise.

The bag pressing assembly 5 is installed on the outer knife plate 21 or the inner knife plate 23 of the bag cutting assembly 2; the bag pressing assembly 5 can also be installed on the two knife plates. bag assembly5.

The bag pressing assembly 5 comprises a mounting block 51, a bag pressing rod 52, a stage clip 53, a bushing 55 and a bag pressing plate 54, the mounting block 51 is fixedly arranged on the knife plate, and the bag pressing rod 52 passes through the mounting block 51 and is connected with the mounting block. Sliding fit is formed between 51, bushing 55 passes bag-pressing plate 54 and is connected with bag-pressing bar 52, and stage clip 53 is sleeved on bag-pressing bar 52 and bushing 55, and the upper and lower ends of stage clip 53 are respectively connected with The mounting block 51 is pressed against the bag pressing plate 54.

The bag pressing assembly 5 moves up and down along with the bag cutting assembly 2, and the bag pressing plate 54 moves up and down along the bag pressing rod 52 under the action of the compression spring 53, and the bag pressing plate 54 in the bag pressing assembly 5 first contacts with the conjoined packaging bag , to compress the packaging bag.

The driving device 6 includes a reduction motor 61, a motor rocker arm 62 and a joint bearing 63. The reduction motor 61 passes through the cutter wallboard 1 and connects one end of the motor rocker arm 62, and the other end of the motor rocker arm 62 connects the upper end of the joint bearing 63. The lower end of the bearing 63 is fixedly connected with the upper end of the bag cutting assembly 2 . The geared motor 61 is preferably a DC brushless planetary geared motor, and the geared motor 61 works to drive the motor rocker arm 62 to rotate, thereby driving the bag pressing assembly 5 to reciprocate up and down.

Inspired by the above ideal embodiment according to the utility model, through the above description content, relevant staff can completely make various changes and modifications within the scope of not deviating from the technical idea of the utility model. The technical scope of this utility model is not limited to the content in the description, but must be determined according to the scope of the claims.

Claims (4)

1. A bag-cutting mechanism of a one-piece packaging bag slitting unit machine, characterized in that it comprises a cutter wallboard (1), a bag-cutting assembly (2) and is used to drive the bag-cutting assembly (2) on the cutter wall The driving device (6) for reciprocating lifting motion on the plate (1), The bag cutting assembly (2) includes an outer knife plate (21), a toothed knife (22) and an inner knife plate (23), and the outer knife plate (21), the toothed knife (22) and the inner knife plate (23) are stacked successively and fixedly connected to form an integral part, and the edge of the toothed knife (22) is located below. 2. The bag cutting mechanism of the one-piece packaging bag slitting and cutting unit machine according to claim 1, wherein sliders (3) are respectively installed on both sides of the bag cutting assembly (2), and the cutting knife Both sides of the wallboard (1) are respectively provided with slide rails (4), and the slide rails (4) are arranged in the slider (3), so that the bag cutting assembly (2) and the cutter wallboard (1) form a sliding fit. 3. The bag cutting mechanism of the conjoined packaging bag slitter unit machine according to claim 1, characterized in that, the outer knife plate (21) and/or the inner knife plate (23) of the bag cutting assembly (2) A pressure bag assembly (5) is installed on it; The bag pressing assembly (5) includes a mounting block (51), a bag pressing rod (52), a clip spring (53), a bushing (55) and a bag pressing plate (54), and the mounting block (51) Fixedly arranged on the knife plate, the bag-pressing rod (52) passes through the mounting block (51) and forms a sliding fit with the mounting block (51), and the bushing (55) passes through the bag-pressing plate (54) It is connected with the pressure bag rod (52), the pressure spring (53) is sleeved on the pressure bag rod (52) and the bushing (55), and the upper and lower ends of the pressure spring (53) are respectively connected with the installation Block (51) and pressure bag plate (54) are tight against each other. 4. The bag cutting mechanism of the one-piece packaging bag slitter unit machine according to claim 3, wherein the driving device (6) includes a geared motor (61), a motor rocker arm (62) and a joint bearing (63), the deceleration motor (61) passes through the cutter wallboard (1) to connect one end of the motor rocker arm (62), and the other end of the motor rocker arm (62) is connected to the upper end of the joint bearing (63) , the lower end of the joint bearing (63) is fixedly connected with the upper end of the bag cutting assembly (2).