Winding film cutting mechanism

Abstract

The utility model relates to the technical field of winding film production, and discloses a winding film cutting mechanism which comprises a lower connecting plate, an upper connecting plate, an adjusting mechanism and a cutting mechanism, a first sliding groove is formed in the lower connecting plate, a second sliding groove is formed in the upper connecting plate, the upper connecting plate is arranged on the lower connecting plate, the adjusting mechanism is arranged in the first sliding groove, and the cutting mechanism is arranged in the second sliding groove. The adjusting mechanism comprises a first screw rod, first connecting blocks, a connecting rod and a sleeve, the first screw rod horizontally penetrates through the lower connecting plate and extends into the first sliding groove, the two first connecting blocks are limited to the screw rod, the first screw rod is rotated to drive the two connecting blocks to be close to each other, one end of the connecting rod is fixed to the first connecting blocks, and the other end of the connecting rod is limited to move in the second sliding groove; the sleeve is rotatably arranged on the periphery of the connecting rod in a sleeving mode, the cutting mechanism is fixed to one first connecting block and comprises a rotating motor and a cutting knife assembly, the rotating motor is arranged on the first connecting block, a second screw rod is fixed to an output shaft of the rotating motor, and the cutting knife assembly is arranged on the second screw rod.

Description

Technical Field

[0001] The utility model relates to the technical field of stretch film processing, and more specifically, to a stretch film cutting mechanism. Background Art

[0002] Stretch film, also known as stretch film or heat shrink film, was first produced in China using PVC as the base material and DOA as the plasticizer, which also acts as a self-adhesive agent. Plastic stretch film primarily provides primary surface protection for products, forming a compact, space-saving unit and saving packaging costs.

[0003] When packaging products or producing stretch film, it is necessary to cut the stretch film to an appropriate length. The existing stretch film needs to be cut manually using a cutting knife after the product is packaged. After cutting, the cut section of the stretch film needs to be found again after the next use. The overall operation efficiency is low and it is time-consuming and labor-intensive. Therefore, the utility model provides a stretch film cutting mechanism. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a stretch film cutting mechanism, which has the advantages of saving time and labor and improving production efficiency.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a stretch film cutting mechanism, comprising: a lower connecting plate, wherein a first sliding groove is provided on the lower connecting plate;

[0006] an upper connecting plate, wherein a second sliding groove is provided on the upper connecting plate, and the upper connecting plate is connected to the lower connecting plate via a support column provided at an edge thereof;

[0007] An adjusting mechanism, the adjusting mechanism being disposed in the first chute, the adjusting mechanism comprising:

[0008] a first screw rod, the first screw rod horizontally passing through the lower connecting plate and extending in the first sliding groove;

[0009] two sets of first connecting blocks, wherein the two first connecting blocks are restricted on the screw, and rotating the first screw can drive the two connecting blocks closer to each other;

[0010] two sets of connecting rods, one end of each connecting rod being fixed to the first connecting block and the other end being restricted to move in the second sliding groove;

[0011] Two sets of sleeves, each sleeve being rotatably sleeved on the outer periphery of the connecting rod;

[0012] a cutting mechanism, the cutting mechanism being fixed to one of the first connecting blocks, the cutting mechanism comprising:

[0013] a rotating motor, the rotating motor being arranged on the first connecting block, the output shaft of the rotating motor being fixed to the second screw rod;

[0014] A cutting blade assembly is provided on the second screw.

[0015] As a preferred technical solution of the present invention, a dividing block is set in the first sliding groove, and the dividing block divides the first sliding groove into a movable groove and a linkage groove. The two first connecting blocks are restricted to move in the movable groove, and the cutting assembly is restricted to move in the linkage groove.

[0016] As a preferred technical solution of the present invention, it also includes:

[0017] An extension plate, one end of which is fixed to one of the first connecting blocks, and the other end of which is restricted to move in the linkage groove.

[0018] As a preferred technical solution of the present invention, the cutting knife assembly includes:

[0019] a moving block, the moving block being restricted to move up and down on the second screw;

[0020] a limiting rod, one end of which is fixed to one side of the moving block;

[0021] a sleeve, wherein one end of the limiting rod is limited to move within the sleeve;

[0022] a connecting baffle, the connecting baffle being fixed to the other end of the sleeve away from the limiting rod;

[0023] a blade, the blade being arranged on the connecting plate;

[0024] A spring is arranged on the outer periphery of the sleeve and the limiting rod, one end of the spring is fixed on the moving block, and the other end is fixed on the connecting baffle.

[0025] As a preferred technical solution of the present invention, a third sliding groove is provided on the lower connecting plate, and a fourth sliding groove is provided on the upper connecting plate.

[0026] As a preferred technical solution of the present invention, it also includes:

[0027] An auxiliary adjustment component, wherein the lower end of the auxiliary adjustment mechanism is restricted in the third sliding groove, and the upper end is restricted in the fourth sliding groove.

[0028] As a preferred technical solution of the present invention, a second connecting block is provided at the upper end of the rotating rod, and the second connecting block is restricted to move in the second sliding groove.

[0029] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting an adjustment mechanism, the clamping degree of the stretch film passing through the sleeve can be adjusted, the sleeve can guide and level the stretch film, and driving the rotating motor can drive the blade to cut the stretch film. The device saves time and effort and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a structural diagram of a stretch film cutting mechanism provided by the utility model;

[0031] Figure 2 Schematic diagram of the adjustment mechanism structure provided by the utility model Figure 2 ;

[0032] Figure 3 This is a schematic diagram of the structure of the cutting knife assembly provided by the utility model;

[0033] Figure 4 This is a schematic diagram of the lower connecting plate structure provided by the utility model.

[0034] In the figure: lower connecting plate 1, first slide groove 100, partition block 101, movable groove 102, linkage groove 103, third slide groove 110, upper connecting plate 2, adjustment mechanism 3, first screw 300, first connecting block 310, extension plate 311, connecting rod 320, sleeve 330, cutting mechanism 4, rotating motor 400, second screw 410, cutting knife assembly 420, movable block 421, sleeve 422, limiting rod 423, connecting baffle 424, blade 425, spring 426, auxiliary adjustment assembly 5. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Example

[0037] like Figure 1-4As shown, the utility model provides a stretch film cutting mechanism 4, including: a lower connecting plate 1, an upper connecting plate 2, an adjusting mechanism 3, and a cutting mechanism 4. A first slide groove 100 is provided on the lower connecting plate 1, and a second slide groove is provided on the upper connecting plate 2. The upper connecting plate 2 is connected to the lower connecting plate 1 by a support column provided at the edge. The adjusting mechanism 3 is provided in the first slide groove 100. The adjusting mechanism 3 includes: a first screw 300, a first connecting block 310, a connecting rod 320, and a sleeve 330. The first screw 300 horizontally penetrates the lower connecting plate 1 and extends in the first slide groove 100. The two first connecting blocks 310 are limited in Rotating the first screw 300 drives the two connecting blocks toward each other. One end of the connecting rod 320 is fixed to the first connecting block 310, and the other end is restricted in movement within the second chute. A sleeve 330 rotatably fits around the outer periphery of the connecting rod 320. The cutting mechanism 4 is fixed to one of the first connecting blocks 310 and comprises a rotary motor 400, a second screw 410, and a cutter assembly 420. The rotary motor 400 is mounted on the first connecting block 310, and its output shaft is fixed to the second screw 410. The cutter assembly 420 is mounted on the second screw 410. The stretch film passes between the two sleeves 330. Rotating the first screw 300 adjusts the degree of pressure applied by the sleeve 330 to the stretch film. The cutting mechanism 4 cuts the stretch film by controlling the cutter assembly 420 up and down. The cut stretch film remains within the adjustment mechanism 3, facilitating the next wrapping operation.

[0038] In this embodiment, a dividing block 101 is set in the first sliding groove 100, and the dividing block 101 divides the first sliding groove 100 into a movable groove 102 and a linkage groove 103. The two first connecting blocks 310 are restricted to move in the movable groove 102, and the cutting assembly is restricted to move in the linkage groove 103. An extension plate 311 is set on one of the connecting blocks, and one end of the extension plate 311 is fixed on one of the first connecting blocks 310, and the other end is restricted to move in the linkage groove 103.

[0039] In this embodiment, the cutting knife assembly 420 includes: a moving block 421, a limiting rod 423, a sleeve 422, a connecting baffle 424, a blade 425, and a spring 426. The moving block 421 is limited to move up and down on the second screw 410. One end of the limiting rod 423 is fixed to one side of the moving block 421, and one end of the limiting rod 423 is limited to move in the sleeve 330. The connecting baffle 424 is fixed to the other end of the sleeve 422 away from the limiting rod 423. The blade 425 is arranged on the connecting plate, and the spring 426 is arranged on the outer periphery of the sleeve 422 and the limiting rod 423. One end of the spring 426 is fixed to the moving block 421, and the other end is fixed to the connecting baffle 424. Preferably, the blade 425 is as follows Figure 3 The plate is shown to be circular, so that the blade 425 can cut the taut stretch film while moving up and down.

[0040] In this embodiment, a third slide groove 110 is provided on the lower connecting plate 1, a fourth slide groove is provided on the upper connecting plate 2, and an auxiliary adjustment component 5 is also provided. The lower end of the auxiliary adjustment mechanism 3 is restricted in the third slide groove 110, and the upper end is restricted in the fourth slide groove. The auxiliary adjustment component 5 preferably has the same structure as the adjustment mechanism 3, and can press the stretch film into position to facilitate cutting.

[0041] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0042] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A stretch film cutting mechanism, characterized in that: include: a lower connecting plate, wherein a first sliding groove is provided on the lower connecting plate; an upper connecting plate, wherein a second sliding groove is provided on the upper connecting plate, and the upper connecting plate is connected to the lower connecting plate via a support column provided at an edge thereof; An adjusting mechanism, the adjusting mechanism being disposed in the first chute, the adjusting mechanism comprising: a first screw rod, the first screw rod horizontally passing through the lower connecting plate and extending in the first sliding groove; two sets of first connecting blocks, wherein the two first connecting blocks are restricted on the screw, and rotating the first screw can drive the two connecting blocks closer to each other; two sets of connecting rods, one end of each connecting rod being fixed to the first connecting block and the other end being restricted to move in the second sliding groove; Two sets of sleeves, each sleeve being rotatably sleeved on the outer periphery of the connecting rod; a cutting mechanism, the cutting mechanism being fixed to one of the first connecting blocks, the cutting mechanism comprising: a rotating motor, the rotating motor being arranged on the first connecting block, the output shaft of the rotating motor being fixed to the second screw rod; A cutting blade assembly is provided on the second screw.

2. A stretch film cutting mechanism according to claim 1, characterized in that: A partition block is provided in the first chute, and the partition block divides the first chute into a movable groove and a linkage groove. The two first connecting blocks are restricted to move in the movable groove, and the cutting knife assembly is restricted to move in the linkage groove.

3. A stretch film cutting mechanism according to claim 2, characterized in that: Also includes: An extension plate, one end of which is fixed to one of the first connecting blocks, and the other end of which is restricted to move in the linkage groove.

4. A stretch film cutting mechanism according to claim 1, characterized in that: The cutting knife assembly includes: a moving block, the moving block being restricted to move up and down on the second screw; a limiting rod, one end of which is fixed to one side of the moving block; a sleeve, wherein one end of the limiting rod is limited to move within the sleeve; a connecting baffle, the connecting baffle being fixed to the other end of the sleeve away from the limiting rod; a blade, the blade being arranged on the connecting plate; A spring is arranged on the outer periphery of the sleeve and the limiting rod, one end of the spring is fixed on the moving block, and the other end is fixed on the connecting baffle.

5. The stretch film cutting mechanism according to claim 1, characterized in that: A third sliding groove is provided on the lower connecting plate, and a fourth sliding groove is provided on the upper connecting plate.

6. A stretch film cutting mechanism according to claim 5, characterized in that: Also includes: An auxiliary adjustment component, wherein the lower end of the auxiliary adjustment component is restricted in the third sliding groove, and the upper end of the auxiliary adjustment component is restricted in the fourth sliding groove.

Images