Material stirring device for food tray plastic vacuum forming machine

Abstract

The utility model relates to the technical field of stirring devices, and discloses a material stirring device for a food tray plastic vacuum forming machine, which comprises a spline fixedly connected to the bottom of a rotating shaft; the moving block is slidably connected outside the spline; the convex blocks are circumferentially and symmetrically arranged on the inner side wall of the moving block, and the convex blocks are slidably connected into the spline grooves; the scraper is circumferentially arranged on the outer side wall of the moving block; and the reciprocating motion mechanism is arranged on the spline and the moving block. When the rotating shaft rotates, a spline at the bottom of the rotating shaft rotates synchronously, a protruding block connected to the spline in a sliding mode limits the moving block to rotate along with the spline, and a reciprocating motion mechanism controls the moving block to rotate and can move up and down along with the spline in a reciprocating mode at the same time. And at the moment, the scraping blade outside the moving block rotates and reciprocates up and down at the same time, materials at the inlet of the discharging pipe are conveyed downwards in an auxiliary mode, and the situation that the materials are accumulated at the inlet of the discharging pipe, and consequently the discharging speed is reduced is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring devices, in particular to a material stirring device used for a food tray blister machine. Background Art

[0002] The blister machine, also known as a thermoplastic forming machine, is a machine that blister-forms heated and plasticized thermoplastic plastic coils such as PVC, PE, PP, PET, HIPS, etc. into various shapes of high-end packaging boxes, frames, and other products. Using the vacuum suction generated by a vacuum pump, the heated and softened thermoplastic plastic sheets such as PVC and PET are blister-formed into various shapes of vacuum covers, blister trays, blister shells, etc. through molds. The blister machine needs to add ingredients during processing to enhance the hardness, heat resistance, and waterproofness of the material.

[0003] The material stirring device used in traditional blister machines may have the problem of material blocking the discharge port. If it is not handled in time, it will affect the discharge speed and thus affect product output. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the shortcomings of the prior art, the utility model provides a material stirring device for a food tray blister machine, which has the advantage of preventing discharge blockage and solves the problem that the material used in the blister machine in the traditional technology may block the discharge port after being evenly stirred, thereby reducing the discharge speed.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a material stirring device for a food tray blister machine, comprising a main body component, wherein the main body component comprises:

[0008] A stirring tank, the top of which is connected with a feed inlet, and the inner wall of the stirring tank is provided with a heating layer;

[0009] A discharge pipe, connected through the bottom of the stirring tank;

[0010] The stirring tank is provided with a stirring assembly, and the stirring assembly comprises:

[0011] A motor is arranged on the top of the stirring tank, and an output shaft of the motor penetrates and extends into the interior of the stirring tank;

[0012] A rotating shaft, fixedly connected to the output shaft of the motor;

[0013] A stirring blade is symmetrically arranged on the outer wall of the rotating shaft;

[0014] A spline fixedly connected to the bottom of the rotating shaft;

[0015] A moving block, slidably connected to the outside of the spline;

[0016] A protrusion, circumferentially symmetrically arranged on the inner side wall of the moving block, wherein the protrusion is slidably connected in the spline groove;

[0017] A scraper blade, circumferentially arranged on the outer side wall of the moving block;

[0018] The reciprocating mechanism is arranged on the spline and the moving block.

[0019] Preferably, the reciprocating mechanism comprises:

[0020] A micro motor is arranged inside the spline;

[0021] A reciprocating screw rod is fixedly connected to the output shaft of the micro motor, and the reciprocating screw rod is rotationally connected to the inside of the spline;

[0022] A threaded block, threadedly connected to the reciprocating screw rod;

[0023] A connecting rod, circumferentially arranged on the outer wall of the threaded block;

[0024] A through slot is circumferentially opened on the outside of the spline, and the connecting rod passes through the through slot and is fixedly connected to the inner side wall of the moving block.

[0025] Preferably, the inner wall of the discharge pipe is provided with a heat-insulating layer.

[0026] Preferably, the spline outer sleeve is provided with a telescopic sleeve, the moving block passes through the telescopic sleeve, and the moving block is rotatably connected to the telescopic sleeve interface through a bearing.

[0027] Preferably, a support rod is symmetrically fixedly connected to the outer wall of the rotating shaft, and a scraper is fixedly connected to one end of the support rod away from the rotating shaft.

[0028] Preferably, the support rods and the scrapers are symmetrically arranged in two groups, the lower support rods and the scrapers are inclined, and the scrapers are in contact with the inner wall of the mixing tank.

[0029] (III) Beneficial effects

[0030] Compared with the prior art, the utility model provides a material stirring device for a food tray blister machine, which has the following beneficial effects:

[0031] The stirring device has the advantage of preventing discharge blockage. The stirred material is discharged from the stirring tank through the discharge pipe. When the rotating shaft rotates, the spline at the bottom of the rotating shaft rotates synchronously. The convex block slidingly connected on the spline limits the moving block to rotate together with the spline, and the reciprocating mechanism controls the moving block to reciprocate up and down with the spline while rotating: start the micro motor, the micro motor drives the reciprocating screw to rotate, the threaded block threadedly connected on the reciprocating screw drives the moving block connected by the connecting rod to reciprocate up and down along the axis of the reciprocating screw, and the connecting rod moves up and down in the through groove. At this time, the scraper outside the moving block realizes up and down reciprocating movement while rotating, and the material at the inlet of the discharge pipe is auxiliary transported downward, so as to avoid the accumulation of materials at the inlet of the discharge pipe and reduce the discharge speed. This solves the problem that the material used in the blister machine in the traditional technology may block the discharge port after being evenly stirred, thereby reducing the discharge speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the structure of the utility model;

[0033] Figure 2 This is a schematic diagram of the internal structure of the stirring tank in the utility model;

[0034] Figure 3 This is a schematic diagram of the internal structure of the telescopic sleeve in the utility model;

[0035] Figure 4 It is a schematic diagram of the exploded structure of the reciprocating mechanism in the utility model;

[0036] Figure 5 It is a schematic diagram of the cross-sectional structure of the spline in the utility model from top view;

[0037] Figure 6 It is a front view cross-sectional structural schematic diagram of the reciprocating mechanism in the utility model.

[0038] In the figure:

[0039] 1. Main component; 11. Mixing tank; 12. Feed inlet; 13. Discharge pipe; 131. Insulation layer;

[0040] 2. Stirring assembly; 21. Motor; 22. Rotating shaft; 221. Stirring blade; 222. Support rod; 223. Scraper; 23. Spline; 24. Moving block; 241. Telescopic sleeve; 25. Bump; 26. Scraper; 27. Reciprocating mechanism; 271. Micro motor; 272. Reciprocating screw rod; 273. Threaded block; 274. Connecting rod; 275. Through slot. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0042] Embodiment 1

[0043] See also Figure 1-6 A material stirring device for a food tray blister machine includes a main body component 1, the main body component 1 includes: a stirring tank 11, the top of which is connected with a feed inlet 12, and the inner wall of the stirring tank 11 is provided with a heating layer; a discharge pipe 13, which is connected to the bottom of the stirring tank 11; a stirring component 2 is provided on the stirring tank 11, and the stirring component 2 includes: a motor 21, which is provided on the top of the stirring tank 11, and the output shaft of the motor 21 passes through and extends to the inside of the stirring tank 11; a rotating shaft 22, It is fixedly connected to the output shaft of the motor 21; the stirring blade 221 is symmetrically arranged on the outer wall of the rotating shaft 22; the spline 23 is fixedly connected to the bottom of the rotating shaft 22; the moving block 24 is slidably connected to the outside of the spline 23; the protrusion 25 is symmetrically arranged on the inner wall of the moving block 24, and the protrusion 25 is slidably connected to the groove of the spline 23; the scraper 26 is circumferentially arranged on the outer wall of the moving block 24; the reciprocating moving mechanism 27 is arranged on the spline 23 and the moving block 24. The reciprocating mechanism 27 includes: a micro motor 271, which is arranged inside the spline 23; a reciprocating screw 272, which is fixedly connected to the output shaft of the micro motor 271, and the reciprocating screw 272 is rotatably connected to the inside of the spline 23; a threaded block 273, which is threadedly connected to the reciprocating screw 272; a connecting rod 274, which is circumferentially arranged on the outer wall of the threaded block 273; a through groove 275, which is circumferentially opened outside the spline 23, and the connecting rod 274 passes through the through groove 275 and is fixedly connected to the inner wall of the moving block 24. The inner wall of the discharge pipe 13 is provided with a heat preservation layer 131.

[0044] When in use, the staff can put the materials required for the production of food trays into the mixing tank 11 through the feed inlet 12, and use the mixing component 2 to mix: start the motor 21, the motor 21 drives the rotating shaft 22 and the mixing blade 221 to rotate, the mixing blade 221 mixes the materials, and the heating layer on the inner wall of the mixing tank 11 heats and softens the materials. The mixed materials are discharged from the mixing tank 11 through the discharge pipe 13. When the rotating shaft 22 rotates, the spline 23 at the bottom of the rotating shaft 22 rotates synchronously, and the protrusion 25 slidingly connected to the spline 23 limits the moving block 24 to rotate together with the spline 23, and the reciprocating mechanism 27 controls the moving block 24 to move up and down along with the spline 23 while rotating: start the micro motor 271, the micro motor 271 drives the reciprocating screw 272 to rotate, the threaded block 273 threadedly connected to the reciprocating screw 272 drives the moving block 24 connected by the connecting rod 274 to move up and down along the axial direction of the reciprocating screw 272, and the connecting rod 274 moves up and down in the through groove 275. At this time, the scraper 26 outside the moving block 24 realizes up and down reciprocating movement while rotating, and assists in conveying the material at the entrance of the discharge pipe 13 downward, avoiding the accumulation of the material at the entrance of the discharge pipe 13, and reducing the discharge speed. The insulation layer 131 on the inner wall of the discharge pipe 13 keeps the material passing through the discharge pipe 13 warm, avoiding the material temperature from lowering and hardening during discharge, thereby reducing the probability of material blockage.

[0045] Embodiment 2

[0046] On the basis of the first embodiment, an auxiliary function is added.

[0047] See also Figure 1-6 The spline 23 is provided with a telescopic sleeve 241 on the outside, and the moving block 24 passes through the telescopic sleeve 241. The moving block 24 is rotatably connected to the interface of the telescopic sleeve 241 through a bearing. The outer wall of the rotating shaft 22 is symmetrically fixedly connected with a support rod 222, and the end of the support rod 222 away from the rotating shaft 22 is fixedly connected with a scraper 223. The support rod 222 and the scraper 223 are symmetrically arranged in two groups, and the lower support rod 222 and the scraper 223 are arranged obliquely, and the scraper 223 abuts against the inner wall of the mixing tank 11.

[0048] The telescopic sleeve 241 is telescopically extended and retracted as the moving block 24 is raised and lowered. The telescopic sleeve 241 blocks the grooves and through grooves 275 on the spline 23 to prevent small particles of material from entering the grooves and through grooves 275 and affecting the normal use of the moving block 24 of the device. The telescopic sleeve 241 is rotatably connected to the moving block 24 through a bearing. The telescopic sleeve 241 blocks the spline 23 without affecting the rotation of the moving block 24 itself. The rotating shaft 22 drives the stirring blade 221 to rotate while driving the support rod 222 and the scraper 223 to rotate. The scraper 223 scrapes the material on the inner wall of the mixing tank 11 to prevent the material from adhering to the inner wall of the mixing tank 11. A group of inclined scrapers 223 are also provided at the inclined position below the mixing tank 11, which facilitates the multi-directional cleaning of the inner wall of the mixing tank 11 and reduces the pressure of subsequent cleaning by the staff.

[0049] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material stirring device for a food tray blister machine, comprising a main body component (1), wherein the main body component (1) comprises: A stirring tank (11), the top of which is connected through a feed port (12), and the inner wall of the stirring tank (11) is provided with a heating layer; A discharge pipe (13) is connected to the bottom of the stirring tank (11); The invention is characterized in that: the stirring tank (11) is provided with a stirring assembly (2), and the stirring assembly (2) comprises: A motor (21) is arranged on the top of the stirring tank (11), and an output shaft of the motor (21) penetrates and extends into the interior of the stirring tank (11); A rotating shaft (22) fixedly connected to an output shaft of the motor (21); A stirring blade (221) is symmetrically arranged on the outer wall of the rotating shaft (22); A spline (23) fixedly connected to the bottom of the rotating shaft (22); A moving block (24) slidably connected to the outside of the spline (23); A convex block (25) is circumferentially symmetrically arranged on the inner side wall of the moving block (24), and the convex block (25) is slidably connected to the groove of the spline (23); A scraper (26) is circumferentially arranged on the outer side wall of the moving block (24); The reciprocating mechanism (27) is arranged on the spline (23) and the moving block (24).

2. A material stirring device for a food tray blister machine according to claim 1, characterized in that: The reciprocating mechanism (27) comprises: A micro motor (271) is arranged inside the spline (23); A reciprocating screw rod (272) is fixedly connected to the output shaft of the micro motor (271), and the reciprocating screw rod (272) is rotationally connected to the inside of the spline (23); A threaded block (273) threadedly connected to the reciprocating screw rod (272); A connecting rod (274) circumferentially arranged on the outer wall of the threaded block (273); The through groove (275) is circumferentially opened on the outside of the spline (23), and the connecting rod (274) passes through the through groove (275) and is fixedly connected to the inner wall of the moving block (24).

3. A material stirring device for a food tray blister machine according to claim 2, characterized in that: The inner wall of the discharge pipe (13) is provided with a heat-insulating layer (131).

4. A material stirring device for a food tray blister machine according to claim 3, characterized in that: The spline (23) is externally sleeved with a telescopic sleeve (241), the moving block (24) passes through the telescopic sleeve (241), and the moving block (24) is rotatably connected to the telescopic sleeve (241) at an interface via a bearing.

5. A material stirring device for a food tray blister machine according to claim 4, characterized in that: A support rod (222) is symmetrically and fixedly connected to the outer wall of the rotating shaft (22), and a scraper (223) is fixedly connected to one end of the support rod (222) away from the rotating shaft (22).

6. A material stirring device for a food tray blister machine according to claim 5, characterized in that: The support rod (222) and the scraper (223) are symmetrically arranged in two groups, the lower support rod (222) and the scraper (223) are arranged at an angle, and the scraper (223) abuts against the inner wall of the stirring tank (11).

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