Aluminum-containing PVC (polyvinyl chloride) plastic packaging and crushing roller

Abstract

The utility model discloses an aluminum-containing PVC (polyvinyl chloride) plastic package crushing roller, which comprises a barrel body, the barrel body comprises an inner barrel and an outer barrel which are fixedly mounted together, the outer barrel is sleeved on the outer side of the inner barrel, a plurality of clamping grooves extending vertically are arranged on the outer barrel, the clamping grooves vertically penetrate through the upper end face and the lower end face of the outer barrel, and the inner barrel and the outer barrel are arranged in the clamping grooves. The upper end of the cylinder body is detachably provided with an upper end cover, the lower end of the cylinder body is detachably provided with a lower end cover, a strip-shaped tool apron is clamped in the clamping groove, the strip-shaped tool apron is located between the upper cover plate and the lower cover plate, the strip-shaped tool apron is provided with a movable crushing tool, and a limiting mechanism is arranged between the strip-shaped tool apron and the cylinder body. The strip-shaped tool apron and the cylinder body are fixedly installed together through the limiting mechanism, the strip-shaped tool apron can be taken down by opening the limiting mechanism, and therefore the movable smashing tool can be replaced conveniently.

Description

Technical Field

[0001] This utility model relates to a crushing roller, and more particularly to a crushing roller for aluminum-containing PVC plastic packaging. Background Technology

[0002] In the plastic recycling industry, the crushing and processing of aluminum-containing PVC (polyvinyl chloride) plastic packaging materials is a challenging task. These materials, typically composed of a PVC matrix and an aluminum foil layer, are widely used in food and pharmaceutical packaging, exhibiting excellent barrier properties and mechanical strength. Existing crushing equipment for processing aluminum-containing PVC plastic packaging materials has several shortcomings in practical applications. Firstly, the crushing effect is often unsatisfactory, making it difficult to achieve efficient and uniform crushing of this composite material. Secondly, the equipment presents significant maintenance difficulties, especially for critical and easily damaged components such as blades. Due to structural design limitations, replacement is extremely cumbersome and time-consuming, requiring specialized personnel to complete the operation. This not only increases maintenance costs but also causes prolonged downtime while waiting for blade replacements, further reducing the overall utilization rate of the equipment. This fails to meet the urgent needs of the plastic recycling industry for efficient and stable crushing and processing of aluminum-containing PVC plastic packaging materials, as well as convenient maintenance. Utility Model Content

[0003] To overcome the above deficiencies, this utility model provides an aluminum-containing PVC plastic packaging crushing roller that facilitates blade replacement and effectively improves equipment maintenance efficiency.

[0004] The technical solution of this utility model is: an aluminum-containing PVC plastic packaging crushing roller, including a cylinder body, the cylinder body including an inner cylinder and an outer cylinder fixedly installed together, the outer cylinder being sleeved on the outside of the inner cylinder, the outer cylinder having a plurality of vertically extending slots, the slots penetrating the upper end face and the lower end face of the outer cylinder vertically, an upper end cover being detachably installed on the upper end of the cylinder body, a lower end cover being detachably installed on the lower end of the cylinder body, a strip-shaped blade holder being engaged in the slots, the strip-shaped blade holder being located between the upper end cover and the lower end cover, a movable crushing blade being installed on the strip-shaped blade holder, and a limiting mechanism being provided between the strip-shaped blade holder and the cylinder body.

[0005] The limiting mechanism includes multiple threaded through holes on the inner cylinder wall, with a tightening bolt screwed into each threaded through hole. The limiting mechanism also includes a base plate fixedly installed on the strip-shaped tool holder, located between the outer cylinder and the inner cylinder. The base plate is perpendicular to the strip-shaped tool holder, and the base plate has a limiting hole that mates with the tightening bolt. The width of the base plate is greater than the width of the slot.

[0006] As a preferred technical solution, a baffle ring is fixedly installed on the lower surface of the lower end cover.

[0007] As a preferred technical scheme, the limiting mechanism comprises a bottom plate fixedly installed on the strip-shaped cutter seat between the outer cylinder and the inner cylinder, the bottom plate being perpendicular to the strip-shaped cutter seat, and the bottom plate being provided with a limiting hole matched with the jacking bolt.

[0008] As a preferred technical scheme, a vertically extending rib plate is arranged between the outer cylinder and the inner cylinder, and the rib plate is fixedly installed between the inner wall of the outer cylinder and the outer wall of the inner cylinder.

[0009] As a preferred technical scheme, the diameter of the lower end cover is greater than the outer diameter of the outer cylinder, and the upper surface of the lower end cover is supported on the lower end of the strip-shaped cutter seat.

[0010] As a preferred technical scheme, the lower surface of the lower end cover is detachably fixedly installed with an annular bottom plate.

[0011] As a preferred technical scheme, the upper end cover is further provided with an access hole corresponding to each of the clamping grooves, the access hole is covered with an access hole cover plate, and a connecting bolt is arranged between the access hole cover plate and the cylinder body.

[0012] As a preferred technical scheme, the upper end cover is provided with a dismounting hole located on the inner side of the access hole, and a baffle is detachably installed on the dismounting hole.

[0013] By adopting the above technical scheme, the aluminum-containing PVC plastic packaging powder crushing roller comprises a cylinder body, the cylinder body comprises an inner cylinder and an outer cylinder fixedly installed together, the outer cylinder is sleeved outside the inner cylinder, the outer cylinder is provided with a plurality of vertically extending clamping grooves, the clamping grooves pass through the upper end face and the lower end face of the outer cylinder, the upper end of the cylinder body is detachably installed with an upper end cover, the lower end of the cylinder body is detachably installed with a lower end cover, a strip-shaped cutter seat is clamped in the clamping groove, the strip-shaped cutter seat is located between the upper end cover and the lower end cover, a movable crushing knife is installed on the strip-shaped cutter seat, and a limiting mechanism is arranged between the strip-shaped cutter seat and the cylinder body. The limiting mechanism fixes the strip-shaped cutter seat and the cylinder body together, the strip-shaped cutter seat can be removed by opening the limiting mechanism, and the movable crushing knife is conveniently replaced. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings required in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1is a structural schematic view of the embodiment of the utility model;

[0016] Figure 2 is Figure 1 is a partial enlarged view of I in the middle;

[0017] Figure 3 is Figure 1 is a partial enlarged view of II in the middle;

[0018] Figure 4 is Figure 1 is a sectional view;

[0019] Figure 5 is Figure 4 is a partial enlarged view of III in the middle;

[0020] Figure 6 is a structural schematic view of the cylinder in the embodiment of the utility model;

[0021] Figure 7 is Figure 6 is a partial enlarged view of IV in the middle. DETAILED DESCRIPTION

[0022] As Figure 1 and Figure 2 shown, an aluminum-containing PVC plastic packaging crushing roller includes a cylinder, the cylinder includes an inner cylinder 1 and an outer cylinder 2 fixedly installed together, the outer cylinder 2 is sleeved outside the inner cylinder 1, a plurality of vertically extending clamping grooves 3 are arranged on the outer cylinder 2, the clamping grooves 3 pass through the upper end face and the lower end face of the outer cylinder 2, an upper end cover 4 is detachably installed on the upper end of the cylinder, a lower end cover 5 is detachably installed on the lower end of the cylinder, a strip-shaped cutter seat 7 is clamped in the clamping groove 3, the strip-shaped cutter seat is located between the upper end cover and the lower end cover, a movable crushing cutter 8 is installed on the strip-shaped cutter seat 7, and a limiting mechanism is arranged between the strip-shaped cutter seat and the cylinder. The limiting mechanism fixedly installs the strip-shaped cutter seat and the cylinder together, the strip-shaped cutter seat can be removed by opening the limiting mechanism, so that the movable crushing cutter is conveniently replaced.

[0023] The limiting mechanism includes a plurality of threaded through holes formed in the cylinder wall of the inner cylinder 1, a jacking bolt 6 is screwed in the threaded through hole, the limiting mechanism further includes a bottom plate 9 fixedly installed on the strip-shaped cutter seat 7 and located between the outer cylinder 2 and the inner cylinder 1, the bottom plate 9 is perpendicular to the strip-shaped cutter seat 7, and the bottom plate 9 is provided with a limiting hole matched with the jacking bolt. The jacking bolt is jacked in the limiting hole, so that the bottom plate cannot move towards the inner cavity of the cylinder, and the bottom plate is located between the outer cylinder and the inner cylinder, the width of the bottom plate is greater than the width of the clamping groove, and the bottom plate cannot move out of the cylinder under the block of the outer cylinder cylinder wall, so that the strip-shaped cutter seat can be reliably fixed.

[0024] The lower end cover 5 is fixedly installed with a material blocking ring 16 on the lower surface thereof. The material blocking ring blocks the material from entering the rotating shaft of the crushing roller, thereby ensuring stable and reliable operation.

[0025] The outer cylinder 2 and the inner cylinder 1 are provided with a vertically extending rib plate 10 fixedly installed between the inner wall of the outer cylinder 2 and the outer wall of the inner cylinder 1. The rib plate improves the reliability of the structure.

[0026] The diameter of the lower end cover 5 is greater than the outer diameter of the outer cylinder 2, and the upper surface of the lower end cover 5 is supported on the lower end of the strip-shaped cutter seat 7. The lower end cover is supported on the lower end of the strip-shaped cutter seat, thereby further ensuring reliable installation of the strip-shaped cutter seat.

[0027] Preferably, the lower surface of the lower end cover 5 is detachably fixedly installed with an annular bottom plate 11.

[0028] The upper end cover 4 is further provided with an access hole corresponding to each of the clamping grooves, and the access hole is covered with an access hole cover plate 12. The access hole cover plate 12 and the cylinder body are provided with a connecting bolt 13. By opening the access hole cover plate, the strip-shaped cutter seat and the base can be removed from between the inner cylinder 1 and the outer cylinder 2, thereby facilitating maintenance and replacement of the moving crushing knife.

[0029] The upper end cover 4 is provided with a dismounting hole 14 located on the inner side of the access hole, and the dismounting hole is detachably installed with a baffle 15. By opening the baffle 15, the installation and dismounting of the jacking bolt can be facilitated, thereby facilitating removal of the strip-shaped cutter seat.

[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An aluminum-containing PVC plastic packaging mill roll characterized by, The utility model provides a powder crushing device, including the cylinder, the cylinder includes the inner tube and the outer tube fixedly installed together, the outer tube is sleeved the outside of inner tube, be equipped with a plurality of vertical extension's clamping slot on the outer tube, the clamping slot passes through the upper end surface and the lower end surface of the outer tube up and down, the upper end of cylinder detachably installs the upper end cover, the lower end of cylinder detachably installs the lower end cover, the clamping slot is connected with the strip shape sword seat, the strip shape sword seat is located between the upper end cover and the lower end cover, installs the dynamic powder crushing sword on the strip shape sword seat, is equipped with the limiting mechanism between the strip shape sword seat and the cylinder.

2. The aluminum-containing PVC plastic wrap mill roll of claim 1, wherein, The limiting mechanism includes a plurality of threaded holes formed in the cylinder wall of the inner cylinder, a jacking bolt is screwed into the threaded hole, the limiting mechanism further includes a bottom plate fixedly installed on the strip shape sword seat between the outer cylinder and the inner cylinder, the bottom plate is perpendicular to the strip shape sword seat, the bottom plate is provided with a limiting hole matched with the jacking bolt, and the width of the bottom plate is greater than the width of the clamping slot.

3. The aluminum-containing PVC plastic wrap mill roll of claim 2, wherein, The lower surface of the lower end cover is fixedly installed with a material blocking ring.

4. The aluminum-containing PVC plastic wrap mill roll of claim 1, wherein, A vertical rib plate is arranged between the outer cylinder and the inner cylinder, and the rib plate is fixedly installed between the inner wall of the outer cylinder and the outer wall of the inner cylinder.

5. The aluminum-containing PVC plastic wrap mill roll of claim 4, wherein, The diameter of the lower end cover is greater than the outer diameter of the outer cylinder, and the upper surface of the lower end cover is supported on the lower end of the strip shape sword seat.

6. The aluminum-containing PVC plastic wrap mill roll of claim 5, wherein, The lower surface of the lower end cover is detachably fixedly installed with an annular bottom plate.

7. The aluminum-containing PVC plastic wrap mill roll of claim 1, wherein, The upper end cover is further provided with an access hole corresponding to each clamping slot, the access hole is covered with an access hole cover plate, and a connecting bolt is arranged between the access hole cover plate and the cylinder.

8. The aluminum-containing PVC plastic wrap mill roll of claim 7, wherein, The upper end cover is provided with a dismounting hole located in the inner side of the access hole, and a baffle is detachably installed on the dismounting hole.

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