A pressure slider type cling film breaking mechanism

Abstract

The invention discloses a pressure slider type cling film point breaking mechanism, comprising a point breaking steel knife, a pressure slider, a steel knife shaft, a point breaking roller and a transmission gear, wherein the point breaking steel knife is fixedly installed on the outer peripheral surface of the steel knife shaft along the axial direction of the steel knife shaft; the pressure slider is fixedly installed on the outer peripheral surface of the point breaking roller along the axial direction of the point breaking roller; the shaft end of the steel knife shaft and the shaft end of the point breaking roller are meshed and assembled through the transmission gear; the steel knife shaft drives the point breaking steel knife to rotate, and the point breaking roller drives the pressure slider to rotate, and the cling film passes between the steel knife shaft and the point breaking roller; the point breaking steel knife and the pressure slider apply pressure to the cling film in a direction perpendicular to the cling film, and the point breaking steel knife and the pressure slider point out a point breaking line on the cling film through instantaneous point contact.

Description

Technical Field

[0001] The invention relates to the technical field of light industrial machinery, and in particular to a pressure slider type cling film breaking mechanism. Background Art

[0002] In the prior art, the structure of the point-breaking cling film roll separation device is as follows: Figure 1 As shown, the cutting blade 101 includes a rotating cutting blade 101 and a fixed fixed blade 102. The cutting blade 101 is fixed on the cutting blade rotating shaft 103 along the direction of the cutting blade rotating shaft. The cutting blade 101 is driven by the cutting blade rotating shaft to rotate. When the cutting blade 101 and the fixed blade 102 are rotated to the position where the cutting edges meet, the cutting blade 101 and the fixed blade 102 are rubbed against each other to form a cutting line 104 on the cling film 100. The tool life of this cutting cling film roll-splitting device is very short, the cutting lines formed by the rough tool are not beautiful, and it is difficult to debug after changing the tool.

[0003] The existing point-cut cling film roll-splitting equipment on the market has many defects, such as serious tool wear, low point-cut cling film production efficiency, and high debugging difficulty. The existence of these defects has largely caused the inefficiency of point-cut cling film production and the inability to operate continuously for a long time, and the equipment stability is extremely poor. Summary of the invention

[0004] In order to overcome the problems existing in the prior art, the present invention provides a pressure slider type cling film point-breaking mechanism, which can improve the defects of the cling film rolling equipment point-breaking mechanism in the above-mentioned prior art, achieve the purpose of long tool life, fast equipment production speed, and easy adjustment, greatly improve the production efficiency of the point-breaking cling film, and improve the stability of the equipment.

[0005] To achieve the above-mentioned purpose, the pressure slider type cling film point-breaking mechanism described in the present invention comprises a point-breaking steel knife, a pressure slider, a steel knife shaft, a point-breaking roller and a transmission gear. The point-breaking steel knife is fixedly installed on the outer peripheral surface of the steel knife shaft along the axial direction of the steel knife shaft; the pressure slider is fixedly installed on the outer peripheral surface of the point-breaking roller along the axial direction of the point-breaking roller; the axial end of the steel knife shaft and the axial end of the point-breaking roller are meshed and assembled through a transmission gear; the steel knife shaft drives the point-breaking steel knife to rotate, and the point-breaking roller drives the pressure slider to rotate, and the cling film passes between the steel knife shaft and the point-breaking roller; the point-breaking steel knife and the pressure slider apply pressure to the cling film in a direction perpendicular to the cling film, and the point-breaking steel knife and the pressure slider point out a point-breaking line on the cling film through instantaneous point contact.

[0006] The steel knife shaft is arranged in parallel with the point breaking roller.

[0007] The point breaking roller is also provided with a pressure plate, which is arranged parallel to the pressure sliding block, and a spring is arranged between the pressure plate and the pressure sliding block.

[0008] A plurality of springs are arranged along the length direction of the pressure slide block.

[0009] A plurality of the springs are arranged at equal intervals between the pressure plate and the pressure slide block.

[0010] An elongated installation groove is arranged on the outer peripheral surface of the steel knife shaft along the axial direction, and the point-breaking steel knife is installed in the elongated installation groove and fixed to the steel knife shaft by screws.

[0011] The present invention has the following advantages: Compared with the prior art, the pressure slider type cling film point breaking mechanism of the present invention greatly improves the production efficiency of the cling film roll-splitting equipment. The point breaking cling film production efficiency of similar equipment on the market is only 2 to 3 rolls per minute, which can be increased to 6 to 10 rolls per minute by using the cling film point breaking mechanism of the present invention. In addition, the present invention transfers the wearing parts from the high-cost steel knife (point breaking blade and fixed blade) to the low-cost pressure slider, which greatly reduces the maintenance cost and maintenance frequency, improves the stability of the equipment, and ensures continuous production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a structural schematic diagram of a point-breaking cling film roll-splitting device in the prior art.

[0013] Figure 2 It is a structural schematic diagram of the pressure slider type cling film breaking mechanism described in the present invention.

[0014] Figure 3 yes Figure 2 A front view of the pressure slider type cling film breaking mechanism is shown.

[0015] Figure 4 yes Figure 2 A side view of the pressure slider type cling film breaking mechanism is shown. DETAILED DESCRIPTION

[0016] The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0017] like Figures 2 to 4As shown, the pressure slider type cling film point breaking mechanism described in the present invention includes a point breaking steel knife 1, a pressure slider 2, a steel knife shaft 3, a point breaking roller 6 and a transmission gear 7, wherein the point breaking steel knife is fixedly installed on the outer peripheral surface of the steel knife shaft along the axial direction of the steel knife shaft; the pressure slider is fixedly installed on the outer peripheral surface of the point breaking roller along the axial direction of the point breaking roller; the axial end of the steel knife shaft and the axial end of the point breaking roller are meshed and assembled through a transmission gear; the steel knife shaft drives the point breaking steel knife to rotate, and the point breaking roller drives the pressure slider to rotate, and the cling film passes between the steel knife shaft and the point breaking roller; the point breaking steel knife and the pressure slider apply pressure to the cling film in a direction perpendicular to the cling film, and the point breaking steel knife and the pressure slider point out a point breaking line on the cling film through instantaneous point contact.

[0018] The steel knife shaft is arranged in parallel with the point breaking roller.

[0019] The point breaking roller is also provided with a pressure plate 4, which is arranged parallel to the pressure slider, and a spring 5 is arranged between the pressure plate and the pressure slider.

[0020] The springs 5 ​​are arranged in plurality along the length direction of the pressure slide block.

[0021] A plurality of the springs are arranged at equal intervals between the pressure plate and the pressure slide block.

[0022] An elongated installation groove is arranged on the outer peripheral surface of the steel knife shaft along the axial direction, and the point-breaking steel knife is installed in the elongated installation groove and fixed to the steel knife shaft by screws.

[0023] When the pressure slider type cling film point breaking mechanism described in the present invention is used, the steel knife shaft or the point breaking roller is driven to rotate by the existing power drive mechanism (such as an electric motor) in the prior art, for example, by installing a driving gear on the output shaft of the electric motor, the driving gear is meshed with the transmission gear at the shaft end of the steel knife shaft (or the point breaking roller), and the driving gear drives the steel knife shaft (or the point breaking roller) to rotate. Since the shaft end of the steel knife shaft and the shaft end of the point breaking roller are meshed and assembled through the transmission gear, the rotation of either the steel knife shaft or the point breaking roller will drive the rotation of the other. Through the power transmission of the transmission gear combination, the steel knife shaft and the point breaking roller rotate, and when the cling film passes through the point breaking steel knife and the pressure slider, the point breaking steel knife and the pressure slider exert pressure on the cling film, and point breaking lines are formed on the cling film.

[0024] Advantages of the present invention include:

[0025] 1. Since the pressure slider absorbs excess pressure through the spring, the point-breaking steel knife is less damaged, has a long service life, and reduces the cost of wearing parts;

[0026] 2. The precise parallelism of the steel knife shaft and the point breaking roller, as well as the instantaneous point contact between the point breaking steel knife and the pressure slider, make the point breaking line on the cling film beautiful and easy to tear;

[0027] 3. Balanced pressure on the pressure slide simplifies mechanical adjustment.

[0028] In the present invention, the internal structure of the combination of the point breaking steel knife and the pressure slider is precisely matched, and has the main functions of pressure absorption, pressure adjustment, power transmission, and reducing steel knife wear.

[0029] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A pressure slider type cling film breaking mechanism, characterized in that: The pressure slider type cling film point breaking mechanism comprises a point breaking steel knife, a pressure slider, a steel knife shaft, a point breaking roller and a transmission gear, wherein the point breaking steel knife is fixedly mounted on the outer peripheral surface of the steel knife shaft along the axial direction of the steel knife shaft; the pressure slider is fixedly mounted on the outer peripheral surface of the point breaking roller along the axial direction of the point breaking roller; the shaft end of the steel knife shaft and the shaft end of the point breaking roller are meshed and assembled through a transmission gear; the steel knife shaft drives the point breaking steel knife to rotate, and the point breaking roller drives the pressure slider to rotate, and the cling film passes between the steel knife shaft and the point breaking roller; the point breaking steel knife and the pressure slider apply pressure to the cling film in a direction perpendicular to the cling film, and the point breaking steel knife and the pressure slider point out a point breaking line on the cling film through instantaneous point contact; the steel knife shaft is arranged in parallel with the point breaking roller; a pressure plate is also arranged in the point breaking roller, and the pressure plate is arranged in parallel with the pressure slider, and a spring is arranged between the pressure plate and the pressure slider.

2. The pressure slider type cling film breaking mechanism according to claim 1, characterized in that: A plurality of springs are arranged along the length direction of the pressure slide block.

3. The pressure slider type cling film breaking mechanism according to claim 2, characterized in that: A plurality of the springs are arranged between the pressure plate and the pressure slide block at equal intervals.

4. The pressure slider type cling film breaking mechanism according to claim 1, characterized in that: An elongated installation groove is arranged on the outer peripheral surface of the steel knife shaft along the axial direction, and the point-breaking steel knife is installed in the elongated installation groove and fixed to the steel knife shaft by screws.

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