LDPE sterile plastic bag processing equipment

Abstract

The utility model discloses LDPE sterile plastic bag processing equipment, and relates to the technical field of plastic bag processing equipment, the LDPE sterile plastic bag processing equipment comprises a processing table, a shearing assembly is fixedly installed at the top end of the processing table, the shearing assembly comprises a portal frame, the portal frame is fixedly installed at the top end of the processing table, and the top of the inner side of the portal frame is provided with the shearing assembly capable of vertically ascending and descending; the pedestal is fixedly arranged at the bottom of the inner side of the portal frame, an auxiliary pressing block with the vertical position adjustable is arranged above the pedestal, and the bottom of the auxiliary pressing block is movably connected with a pressing roller. The height-adjustable auxiliary pressing block is arranged above the pedestal on the inner side of the portal frame and is matched with the rotatable pressing roller mounted at the bottom of the auxiliary pressing block, so that after the auxiliary pressing block is matched with the pedestal through height adjustment to clamp and position a plastic bag, the movable conveying of the plastic bag can be ensured; the position of the plastic bag can be adjusted without repeated disassembly and assembly after the single position of the plastic bag is sheared, operation is more flexible and convenient, and therefore the working efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag processing equipment, in particular to LDPE aseptic plastic bag processing equipment. Background Art

[0002] LDPE sterile plastic bags are a type of plastic bag. During the production and processing of LDPE sterile plastic bags, in order to facilitate tearing between two adjacent LDPE sterile plastic bags, it is necessary to cut and process a tear line between the two adjacent LDPE sterile plastic bags.

[0003] In the prior art, for example, the plastic bag roll easy-tear line processing equipment disclosed in the utility model patent with authorization announcement number CN220741305U is provided with a fixed pipe sleeve and a pressing plate, which is beneficial when in use. The staff starts the cylinder to drive the gas rod to gradually extend, and the extended gas rod pushes the fixed push plate to move along the trajectory. Then the fixed push plate moves to drive the connecting head and the fixed pipe sleeve to move downward, and makes the protective pad contact with the processing plate to press and fix the plastic bag. Then the fixed push plate continues to move, and the fixed pipe sleeve squeezes the pressing tube, and the pressing tube is recessed into the fixed pipe sleeve, squeezing the spring, and the spring is gradually compressed, and then the cutting blade gradually approaches the plastic bag, and finally cuts the plastic bag. After the plastic bag is squeezed and fixed, the plastic bag at the bottom of the cutting blade is in a taut state, so the cutting blade can easily cut and cut smoothly.

[0004] However, the above processing equipment still has the following problems when in use: each time a shearing operation is performed, the protective pad and the processing plate need to clamp and fix the plastic bag before the cutting blade can continue to descend to shear the plastic with the easy-tear line. This requires that the clamping of the plastic bag by the protective pad must be unlocked only after a single easy-tear line processing is completed, and then the position of the plastic bag must be readjusted, and the plastic bag must be pressed again by the protective pad before the next easy-tear line shearing process can be performed. The operation is cumbersome, time-consuming and labor-intensive, resulting in a decrease in the processing efficiency of the plastic bags. For this reason, an LDPE sterile plastic bag processing equipment is now proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a LDPE aseptic plastic bag processing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an LDPE sterile plastic bag processing device, comprising a processing table, a shearing mechanism for shearing plastic bags is fixedly installed on the top of the processing table, and the shearing mechanism comprises:

[0007] A gantry, the gantry is fixedly mounted on the top of the processing table, and a shearing assembly that can be lifted vertically is provided on the top of the inner side of the gantry;

[0008] A base seat is fixedly arranged at the inner bottom of the gantry. An auxiliary pressing block with an adjustable vertical position is arranged above the base seat, and a rotatable pressing roller is movably connected to the bottom of the auxiliary pressing block.

[0009] Preferably, nut seats are fixedly connected to the outer walls of the front and back of the gantry. A knob screw is threadedly connected to the middle of the nut seat. The bottom end of the knob screw extends to a position below the nut seat and is movably connected to a connecting block. Linear through holes are formed at the bottoms of the front and back of the gantry. The end of the connecting block passes through the linear through hole and is fixedly connected to the outer wall of the auxiliary pressing block.

[0010] Preferably, the shearing assembly includes a shearing blade. The shearing blade is movably arranged in the inner cavity of the gantry. A tool holder is fixedly connected to the top of the shearing blade. A shearing cylinder is fixedly connected to the top of the gantry. The telescopic end of the shearing cylinder extends into the gantry and is fixedly connected to the top of the tool holder.

[0011] Preferably, the shearing blade is located above the position between the two pressing rollers, and through grooves matching the shearing blade are formed in the middle of the base seat and the auxiliary pressing block.

[0012] Preferably, two rotatable guiding rollers are symmetrically installed at the top end of the processing table, and the two guiding rollers are symmetrically arranged on both sides of the gantry.

[0013] Preferably, a winding assembly is fixedly installed at the end of the top of the processing table for winding a continuous plastic bag. A unwinding assembly is fixedly installed at the other end of the top of the processing table for unwinding a continuous plastic bag.

[0014] The technical effects and advantages of the present utility model:

[0015] By arranging an auxiliary pressing block with an adjustable height above the base seat inside the gantry and cooperating with the rotatable pressing roller installed at the bottom of the auxiliary pressing block, after the auxiliary pressing block clamps and positions the plastic bag through height adjustment in cooperation with the base seat, it can also ensure the movement and conveying of the plastic bag, so that the position of the plastic bag can be adjusted without repeated disassembly and assembly after single-position shearing processing, and the operation is more flexible and convenient, thus helping to improve work efficiency. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0017] Figure 2 It is a schematic diagram of the front sectional structure of the gantry of the present utility model.

[0018] Figure 3 It is for the present utility model Figure 1 Schematic diagram of the partial enlarged structure at A.

[0019] In the figure: 100, processing table; 101, winding component; 102, unwinding component; 103, guiding roller; 200, shearing component; 201, gantry; 202, cushion block; 203, shearing blade; 204, tool holder; 205, shearing cylinder; 206, auxiliary pressing block; 207, pressing roller; 208, linear through hole; 209, connecting block; 210, nut seat; 211, knob screw. Specific implementation mode

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] The present invention provides as Figures 1-3An LDPE sterile plastic bag processing device shown in the figure includes a processing table 100. At the top of the processing table 100, a shearing mechanism 200 for plastic bag shearing processing is fixedly installed. Two rotatable guiding rollers 103 are symmetrically installed at the top of the processing table 100. The two guiding rollers 103 are symmetrically arranged on both sides of the gantry 201. At the end of the top of the processing table 100, a winding assembly 101 is fixedly installed. The winding assembly 101 is used for winding continuous plastic bags. At the other end of the top of the processing table 100, an unwinding assembly 102 is fixedly installed. The unwinding assembly 102 is used for unwinding continuous plastic bags. One end of the plastic bag on the unwinding assembly 102 passes through the upper surface of the guiding roller 103, the inside of the shearing assembly 200, and the upper surface of the guiding roller 103 in sequence, and finally winds on the winding assembly 101. By providing winding power through the winding assembly 101, the continuous plastic bag can be horizontally moved and adjusted in the shearing assembly 200 to shear the position. Cooperating with the two guiding rollers 103, the plastic bag can be kept taut in the shearing assembly 200. In this way, continuous shearing processing of the easy-tear line on the continuous plastic bag can be achieved. Among them, both the winding assembly 101 and the unwinding assembly 102 can adopt existing well-known technologies. For example, using a wheel frame and a shaft body can achieve winding or unwinding of plastic bags. Among them, a winding motor is assembled in the winding assembly 101 to drive the rotation of the winding shaft. The shearing mechanism 200 includes a gantry 201 and a cushion block 202. The gantry 201 is fixedly installed at the top of the processing table 100. At the top inside the gantry 201, there is a vertically liftable shearing assembly. The cushion block 202 is fixedly arranged at the bottom inside the gantry 201. Above the cushion block 202, there is an auxiliary pressing block 206 with adjustable up and down positions. The bottom of the auxiliary pressing block 206 is movably connected with a rotatable pressing roller 207. By adjusting the up and down position of the auxiliary pressing block 206, the pressing roller 207 at the bottom of the auxiliary pressing block 206 can cooperate with the cushion block 202 to clamp the plastic bag. Due to the rotatable characteristic of the pressing roller 207, the plastic can be kept in extrusion positioning between the pressing roller 207 and the cushion block 202 and can also be horizontally moved, achieving the purpose of not affecting the transmission of the plastic bag, enabling the plastic bag to continue to be horizontally moved after the easy-tear line at a single position is sheared, and adjusting to the next shearing position. In this way, the adjustment operation of the plastic bag shearing position can be made more flexible and convenient, and the work efficiency is higher.

[0022] In a preferred embodiment, nut seats 210 are fixedly connected to the outer walls of the front and back of the gantry 201. A knob screw 211 is threadedly connected to the middle of the nut seat 210. The bottom end of the knob screw 211 extends to a position below the nut seat 210 and is movably connected to a connecting block 209. Linear through holes 208 are provided at the bottoms of the front and back of the gantry 201. The end of the connecting block 209 passes through the linear through hole 208 and is fixedly connected to the outer wall of the auxiliary pressing block 206. By manually driving the knob screw 211 to rotate clockwise or counterclockwise, the connecting block 209 movably connected to the bottom of the knob screw 211 can be driven to move up or down along the linear through hole 208, so as to adjust the up and down position of the auxiliary pressing block 206 and lock the position.

[0023] Furthermore, the shearing assembly includes a shearing blade 203. The shearing blade 203 is movably arranged in the inner cavity of the gantry 201. A tool holder 204 is fixedly connected to the top of the shearing blade 203. A shearing cylinder 205 is fixedly connected to the top of the gantry 201. The telescopic end of the shearing cylinder 205 extends into the gantry 201 and is fixedly connected to the top of the tool holder 204. The shearing blade 203 is located above the two pressure rollers 207. Through grooves matching the shearing blade 203 are provided in the middles of the cushion seat 202 and the auxiliary pressing block 206. During the shearing operation, the shearing cylinder 205 acts to drive the tool holder 204 and the shearing blade 203 to move vertically downward, so that the shearing blade 203 passes through the through groove on the auxiliary pressing block 206, contacts the plastic bag and presses down, thereby completing the shearing process of the tear line on the plastic bag.

[0024] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A LDPE aseptic plastic bag processing device, comprising a processing table (100), characterized in that: A shearing mechanism (200) for shearing plastic bags is fixedly mounted on the top of the processing table (100), and the shearing mechanism (200) comprises: A gantry (201), wherein the gantry (201) is fixedly mounted on the top of the processing table (100), and a shearing assembly capable of vertical lifting is provided on the top of the inner side of the gantry (201); A cushion seat (202) is fixedly arranged at the inner bottom of the gantry (201), an auxiliary pressing block (206) whose upper and lower positions can be adjusted is arranged above the cushion seat (202), and a rotatable pressing roller (207) is movably connected to the bottom of the auxiliary pressing block (206).

2. A LDPE aseptic plastic bag processing equipment according to claim 1, characterized in that: The outer walls of the front and back sides of the gantry (201) are fixedly connected with nut seats (210), the middle part of the nut seats (210) is threadedly connected with a knob screw (211), the bottom end of the knob screw (211) extends to the position below the nut seat (210) and is movably connected with a connecting block (209), and the bottom of the front and back sides of the gantry (201) are provided with linear through holes (208), and the end of the connecting block (209) passes through the linear through holes (208) and is fixedly connected to the outer wall of the auxiliary pressure block (206).

3. A LDPE aseptic plastic bag processing equipment according to claim 2, characterized in that: The shearing assembly comprises a shearing blade (203), the shearing blade (203) is movably arranged in the inner cavity of the gantry (201), the top of the shearing blade (203) is fixedly connected to a blade holder (204), the top of the gantry (201) is fixedly connected to a shearing cylinder (205), and the telescopic end of the shearing cylinder (205) extends into the interior of the gantry (201) and is fixedly connected to the top of the blade holder (204).

4. The LDPE aseptic plastic bag processing equipment according to claim 3, characterized in that: The shearing blade (203) is located above the two pressing rollers (207), and the middle parts of the cushion seat (202) and the auxiliary pressing block (206) are both provided with through grooves matching the shearing blade (203).

5. The LDPE aseptic plastic bag processing equipment according to claim 1, characterized in that: Two rotatable guide rollers (103) are symmetrically mounted on the top of the processing table (100), and the two guide rollers (103) are symmetrically arranged at two sides of the gantry (201).

6. The LDPE aseptic plastic bag processing equipment according to claim 1, characterized in that: A winding assembly (101) is fixedly mounted on the end of the top of the processing table (100), and the winding assembly (101) is used for winding continuous plastic bags. A reeling assembly (102) is fixedly mounted on the other end of the top of the processing table (100), and the reeling assembly (102) is used for reeling continuous plastic bags.

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