Raw material stirring device for wrapping film

Abstract

The utility model relates to the technical field of wrapping film production, and discloses a wrapping film raw material stirring device which comprises a bearing box and a stirring mechanism, the stirring mechanism is arranged above the bearing box, and the stirring mechanism comprises a stirring box, a sealing cover, a vacuum pump, a linear bearing, an air cylinder and a stirring rod assembly. The bottom of the stirring box is provided with a suction pipe extending to the position close to the bottom of the bearing box, the sealing cover is arranged on the top of the stirring box and provided with a through hole, the vacuum pump is arranged on one side of the exterior of the stirring box and communicated with the stirring box, and the linear bearing is fixed in the through hole. The air cylinder is vertically arranged on the upper surface of the sealing cover. The lower end of the stirring rod extends into the stirring box, the vacuum pump is started to suck materials in the bearing box into the stirring box through the suction pipe, and the air cylinder can drive the stirring rod assembly to stir the materials.

Description

Technical Field

[0001] The utility model relates to the technical field of stretch film production, and more specifically, to a stretch film raw material stirring device. 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] During the production process of stretch film, the production masterbatch needs to be mixed with some polymers in a certain ratio and then heated and melted. During the masterbatch stirring process, the existing stirring device has poor stirring effect, occupies a large area, and has poor use effect. Therefore, the utility model provides a stretch film raw material stirring device. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a stretch film raw material stirring device, which has the advantages of small footprint and good stirring effect.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for stirring a stretch film raw material, comprising:

[0006] a carrying box;

[0007] A stirring mechanism, the stirring mechanism is arranged above the carrying box, and the stirring mechanism includes:

[0008] a mixing box, wherein a suction pipe extending to the bottom of the carrier box is provided at the bottom of the mixing box;

[0009] a sealing cover, the sealing cover being arranged on the top of the mixing box and having a through hole;

[0010] a vacuum pump, the vacuum pump being disposed on a side outside the mixing tank and being in communication with the mixing tank;

[0011] a linear bearing, wherein the linear bearing is fixed in the through hole;

[0012] a cylinder vertically disposed on the upper surface of the sealing cover;

[0013] a stirring rod assembly, wherein the upper end of the stirring rod assembly is connected to the cylinder, and the lower end of the stirring rod extends into the stirring box;

[0014] When the vacuum pump is started, the material in the carrying box can be sucked into the mixing box through the suction pipe, and the cylinder can drive the stirring rod assembly to stir the material.

[0015] As a preferred technical solution of the present invention, the stirring rod assembly includes:

[0016] a connecting rod, the upper end of which is connected to the output shaft of the cylinder, and the connecting rod is restricted in the linear bearing to move up and down;

[0017] a rotating rod, the upper end of which is rotatably connected to the lower end of the connecting rod, the upper end of which is configured as a threaded section, and the lower end of which is fixed with a spiral stirring plate;

[0018] A fixing assembly, the fixing assembly being fixed in the mixing box, the fixing assembly comprising:

[0019] a fixed tube, wherein the threaded section is rotatably disposed in the fixed tube, and the inner wall of the fixed tube is further provided with threads;

[0020] A plurality of support rods, one end of each support rod is fixed on the fixed pipe, and the other end is fixed on the inner wall of the mixing box.

[0021] As a preferred technical solution of the present invention, a connecting ring is provided at the upper end of the connecting rod.

[0022] As a preferred technical solution of the present invention, it also includes:

[0023] A connecting piece, comprising:

[0024] a fixing rod, one end of which is fixed to the output end of the cylinder and the other end of which is provided with a first connecting hole;

[0025] Two sets of restriction semi-rings, with second connection holes provided at both ends of the restriction semi-rings and a slot provided in the middle section of the restriction semi-rings;

[0026] two sets of bolts, the bolts passing through the second connection holes of the two limiting half rings to fix the two limiting half rings on the connecting ring;

[0027] Wherein, the fixing rod is rotatably connected to one of the bolts through the first connecting hole.

[0028] As a preferred technical solution of the present invention, the lower end port of the suction pipe is inclined.

[0029] As a preferred technical solution of the present invention, the bottom of the mixing box is configured as a concave structure.

[0030] As a preferred technical solution of the present invention, a control valve is provided on the suction pipe.

[0031] Compared with the prior art, the beneficial effects of the present invention are as follows: In a wrapping film raw material stirring device provided by the utility model, a cylinder is arranged on the top of the stirring box to drive the stirring rod assembly to move up and down, and a fixed assembly is arranged in the stirring box, so that the rotating rod can also rotate during the up and down movement, and can turn over the material at the bottom of the stirring box, and further improve the stirring effect through a cylinder that telescopes up and down. The structure is simple and the operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic structural diagram of a stretch film raw material stirring device provided by the utility model;

[0033] Figure 2 This is a schematic diagram of the connection structure between the stirring rod assembly and the cylinder provided by the utility model;

[0034] Figure 3 This is a schematic diagram of the connecting piece structure provided for the utility model.

[0035] In the figure: carrying box 1, stirring mechanism 2, stirring box 20, suction pipe 200, sealing cover 21, vacuum pump 22, linear bearing 23, cylinder 24, stirring rod assembly 25, connecting rod 250, connecting ring 2500, rotating rod 251, fixing tube 252, support rod 253, connecting part 3, fixing rod 30, limiting half ring 31, slot 310, bolt 32. DETAILED DESCRIPTION

[0036] 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.

[0037] Example

[0038] like Figure 1-3As shown, the utility model provides a stretch film raw material stirring device, comprising: a carrying box 1, a stirring mechanism 2, the stirring mechanism 2 is arranged above the carrying box 1, the stirring mechanism 2 comprises: a stirring box 20, a sealing cover 21, a vacuum pump 22, a linear bearing 23, a cylinder 24, and a stirring rod assembly 25, a suction pipe 200 extending to the bottom of the carrying box 1 is provided at the bottom of the stirring box 20, the sealing cover 21 is provided at the top of the stirring box 20, a through hole is provided on the sealing cover 21, a vacuum pump 22 is provided on one side of the outside of the stirring box 20, and the vacuum pump 22 is connected to the stirring rod assembly 25. The mixing box 20 is connected, the linear bearing 23 is fixed in the through hole, the cylinder 24 is vertically arranged on the upper surface of the sealing cover 21, the upper end of the stirring rod assembly 25 is connected to the cylinder 24, and the lower end of the stirring rod extends into the mixing box 20, wherein the vacuum pump 22 is started to suck the material in the carrier box 1 into the mixing box 20 through the suction pipe 200, and the cylinder 24 can drive the stirring rod assembly 25 to stir the material. It should be noted that in order to further increase the working efficiency of the vacuum pump 22, the linear bearing 23 should be set as a sealed linear bearing 23.

[0039] In this embodiment, the stirring rod assembly 25 includes: a connecting rod 250, a rotating rod 251, and a fixed assembly. The upper end of the connecting rod 250 is connected to the output shaft of the cylinder 24. The connecting rod 250 is constrained to move up and down within the linear bearing 23. The upper end of the rotating rod 251 is rotatably connected to the lower end of the connecting rod 250. The upper end of the rotating rod 251 is provided with a threaded section. The lower end of the rotating rod 251 is fixed to a spiral stirring plate. The fixed assembly is fixed within the stirring box 20. The fixed assembly includes: a fixed tube 252 and a support rod 253. The threaded section is rotatably disposed within the fixed tube 252. The inner wall of the fixed tube 252 is also provided with threads. One end of the support rod 253 is fixed to the fixed tube 252, and the other end is fixed to the inner wall of the stirring box 20. When the cylinder 24 drives the connecting rod 250 up and down, the rotating rod 251 can rotate simultaneously within the fixed tube 252, and the stirring plate can fully stir and mix the materials in the stirring box 20.

[0040] In this embodiment, the upper end of the connecting rod 250 is set as a connecting ring 2500, and it also includes: a connecting member 3, the connecting member 3 includes: a fixing rod 30, a limiting half ring 31, and a bolt 32. One end of the fixing rod 30 is fixed to the output end of the cylinder 24, and the other end is provided with a first connecting hole. One end of the fixing rod 30 is fixed to the output end of the cylinder 24, and the other end is provided with a first connecting hole. Second connecting holes are provided at both ends of the limiting half ring 31. The limiting half ring 31 is provided with a slot 310 in the middle section. The bolt 32 passes through the second connecting holes of the two limiting half rings 31 so that the two limiting half rings 31 are fixed on the connecting ring 2500, wherein the fixing rod 30 is rotatably connected to one of the bolts 32 through the first connecting hole. The setting of the connecting member 3 enables the cylinder 24 to drive the connecting rod 250 to move up and down during the rising or falling process, providing a buffer space between the connecting rod 250 and the cylinder 24, and the fixing rod 30 can rotate around the bolt 32.

[0041] In this embodiment, the lower end of the suction pipe 200 is preferably inclined to increase the contact area between the suction port of the suction pipe 200 and the material, increase the space between the bottom of the carrier box 1 and the end of the suction pipe 200, and avoid material blockage.

[0042] In this embodiment, the bottom of the mixing box 20 is set to a concave structure, and a control valve is set on the suction pipe 200. When all the materials in the carrier box 1 are sucked into the mixing box 20, the vacuum pump 22 can be turned off while closing the control valve. At this time, the cylinder 24 continues to drive the stirring rod assembly 25 to move up and down while rotating.

[0043] 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.

[0044] 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 device for stirring a stretch film raw material, characterized in that: include: a carrying box; A stirring mechanism, the stirring mechanism is arranged above the carrying box, and the stirring mechanism includes: a mixing box, wherein a suction pipe extending to the bottom of the carrier box is provided at the bottom of the mixing box; a sealing cover, the sealing cover being arranged on the top of the mixing box and having a through hole; a vacuum pump, the vacuum pump being disposed on a side outside the mixing tank and being in communication with the mixing tank; a linear bearing, wherein the linear bearing is fixed in the through hole; a cylinder vertically disposed on the upper surface of the sealing cover; a stirring rod assembly, wherein the upper end of the stirring rod assembly is connected to the cylinder, and the lower end of the stirring rod extends into the stirring box; When the vacuum pump is started, the material in the carrying box can be sucked into the mixing box through the suction pipe, and the cylinder can drive the stirring rod assembly to stir the material.

2. A stretch film raw material stirring device according to claim 1, characterized in that: The stirring rod assembly comprises: a connecting rod, the upper end of which is connected to the output shaft of the cylinder, and the connecting rod is restricted in the linear bearing to move up and down; a rotating rod, the upper end of which is rotatably connected to the lower end of the connecting rod, the upper end of which is configured as a threaded section, and the lower end of which is fixed with a spiral stirring plate; A fixing assembly, the fixing assembly being fixed in the mixing box, the fixing assembly comprising: a fixed tube, wherein the threaded section is rotatably disposed in the fixed tube, and the inner wall of the fixed tube is further provided with threads; A plurality of support rods, one end of each support rod is fixed on the fixed pipe, and the other end is fixed on the inner wall of the mixing box.

3. A stretch film raw material stirring device according to claim 2, characterized in that: A connecting ring is provided at the upper end of the connecting rod.

4. A stretch film raw material stirring device according to claim 3, characterized in that: Also includes: A connecting piece, comprising: a fixing rod, one end of which is fixed to the output end of the cylinder and the other end of which is provided with a first connecting hole; Two sets of restriction semi-rings, with second connection holes provided at both ends of the restriction semi-rings and a slot provided in the middle section of the restriction semi-rings; two sets of bolts, the bolts passing through the second connection holes of the two limiting half rings to fix the two limiting half rings on the connecting ring; Wherein, the fixing rod is rotatably connected to one of the bolts through the first connecting hole.

5. The device for stirring a stretch film raw material according to claim 1, characterized in that: The lower end port of the suction pipe is inclined.

6. The device for stirring a stretch film raw material according to claim 1, characterized in that: The bottom of the mixing box is configured as a concave structure.

7. The device for stirring a stretch film raw material according to claim 1, characterized in that: A control valve is provided on the suction pipe.

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