Vertical pulverizer for polytetrafluoroethylene processing

By improving the design of the grinding components, bottom support components, and material receiving components, the problem of screen clogging in the grinding mill was solved, the powder output rate under pressure and the screening efficiency were improved, and the material collection and maintenance operations were simplified.

CN223669300UActive Publication Date: 2025-12-16ANHUI SHENJIA POLYMER TECH CO LTD
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Patent Information

Application Number
CN202423149657.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-16
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

When existing grinding mills grind powder by pressing it directly down on top of the sieve disc, particulate matter is easily embedded in the sieve holes, resulting in a decrease in the powder output rate and a drop in screening efficiency.

Method used

The design incorporates a grinding assembly and a bottom support assembly. A lifting motor drives the grinding cylinder to rotate, preventing large particles from embedding in the screen holes. A sealing rod controls the material's descent. The receiving assembly uses an elastic bottom pad and a receiving filter frame for initial material distribution and filtration.

Benefits of technology

It improves the powder output rate and screening efficiency of the grinding mill, and simplifies the material collection and maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vertical flour mill for processing polytetrafluoroethylene, which comprises a bottom plate, and an anti-slip support pad is arranged at the bottom of the bottom plate; the bottom of the grinding assembly is fixedly connected with the top of the bottom plate, and the grinding assembly is used for carrying out powdering operation on polytetrafluoroethylene; one side of the bottom supporting assembly is fixedly connected with one side of the grinding assembly, and the bottom supporting assembly is used for controlling materials in the machine; and the bottom of the material receiving assembly is fixedly connected with the top of the bottom plate. According to the vertical flour mill for polytetrafluoroethylene processing, by means of the arrangement of the flour milling assembly and the bottom supporting assembly, the lifting motor drives the final flour milling cylinder to rotate, polytetrafluoroethylene passing through the surface of the flour milling cylinder is ground, large-particle objects between the outer cylinder and the flour milling cylinder are ground by adopting the rotating side face as a whole, and particles are prevented from being embedded into screen holes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a flour mill technical field, concretely is a kind of vertical flour mill for polytetrafluoroethylene processing. BACKGROUND

[0002] Polytetrafluoroethylene is a synthetic high molecular compound, often referred to as Teflon, it is a high molecular material formed by tetrafluoroethylene monomer through polymerization.

[0003] The patent with publication number CN215655421U discloses a vertical flour mill for polytetrafluoroethylene pipe processing, which comprises a workbench, a gantry, a hydraulic cylinder, a lifting platform, a grinding motor, a grinding disc, a grinding box and a screening mechanism. The upper surface of the workbench is fixedly installed with the gantry, the upper surface of the gantry is fixedly installed with the hydraulic cylinder, the output end of the hydraulic cylinder is fixedly installed with the lifting platform, the inside of the lifting platform is fixedly installed with the grinding motor, the output end of the grinding motor is fixedly installed with the grinding disc, the upper surface of the workbench is fixedly installed with the grinding box, and the grinding box and the workbench are provided with a screening machine. The patent sets up the screening mechanism, which can directly screen and collect the ground polytetrafluoroethylene powder during grinding, integrates the grinding and screening processes, improves the traditional grinding and filtering process, reduces the labor burden of workers, and improves the work efficiency.

[0004] As shown in the above technology, the flour mill directly presses the powder on the top surface of the screen disc, and a large number of granular objects will be directly pressed and embedded in the screen holes of the screen disc, which not only affects the pressing-out rate of the powder, but also blocks the screen holes and affects the screening efficiency. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a vertical flour mill for polytetrafluoroethylene processing, which solves the problem that the flour mill directly presses the powder on the top surface of the screen disc, and a large number of granular objects will be directly pressed and embedded in the screen holes of the screen disc, which not only affects the pressing-out rate of the powder, but also blocks the screen holes and affects the screening efficiency.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a vertical flour mill for polytetrafluoroethylene processing, comprising:

[0007] A bottom plate is provided with an anti-slip pad at the bottom.

[0008] A flour milling assembly is fixedly connected to the top of the bottom plate, and is used for powderizing operation of polytetrafluoroethylene.

[0009] A bottom supporting assembly is fixedly connected to one side of the flour milling assembly, and is used for controlling the materials inside the machine.

[0010] The material receiving assembly is fixedly connected to the top of the bottom plate, and is used for preliminary material distribution and filtering of polytetrafluoroethylene.

[0011] Preferably, the grinding assembly comprises a mounting frame fixedly connected to the top of the bottom plate, one side of the mounting frame is fixedly connected with a lifting motor through a top hanger, the bottom end of the output shaft of the lifting motor is fixedly connected with a power center shaft through a shaft coupling, the surface of the power center shaft is fixedly connected with an annular plate, and the bottom of the annular plate is provided with an arc-shaped track groove.

[0012] Preferably, the top of the annular plate is fixedly connected with a plurality of positioning columns, the surface of the positioning column is movably sleeved with a positioning sleeve, the top of the positioning sleeve is fixedly connected with a grinding cylinder, and the top of the grinding cylinder is movably connected with a sealing head.

[0013] Preferably, the bottom supporting assembly comprises a synchronous plate fixedly connected to one side of the surface of the grinding assembly, and the one side of the synchronous plate is fixedly connected with an outer cylinder.

[0014] Preferably, the bottom of the synchronous plate is fixedly connected with a telescopic rod, the bottom end of the telescopic rod is fixedly connected with a blocking ring plate, one side of the top of the blocking ring plate is fixedly connected with a beveled ring plate, and the top of the beveled ring plate is fixedly connected with a blocking rod.

[0015] Preferably, the material receiving assembly comprises an elastic bottom pad fixedly connected to the top of the bottom plate, the top of the elastic bottom pad is fixedly connected with an annular cover, and the inner wall of the annular cover is movably connected with a circular receiving filter frame.

[0016] The utility model provides a kind of vertical flour mill for polytetrafluoroethylene processing.Compared with prior art, the following beneficial effects are achieved:

[0017] (1), the vertical flour mill for polytetrafluoroethylene processing, by the setting of grinding assembly and bottom supporting assembly, the final grinding cylinder is rotated by lifting motor, and the polytetrafluoroethylene on its surface is ground, the whole adopts the side of rotation to grind the large particle object between outer cylinder and grinding cylinder, to avoid particle embedding in sieve hole, in addition, the bottom of outer cylinder in the present application is blocked by blocking rod, once releasing broken end product, it can slide along beveled ring plate into central position, facilitate post-collection.

[0018] (2), the vertical flour mill for polytetrafluoroethylene processing, by the setting of material receiving assembly, the device adopts elastic bottom pad to collect and filter material, the ground material is received and filtered by receiving filter frame, and when necessary, it can be taken out and maintained by pulling up receiving filter frame, easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of the utility model;

[0020] Figure 2 is a perspective view of the utility model;

[0021] Figure 3 is a perspective view of the utility model Figure 2 is an enlarged view of part A;

[0022] Figure 4 is a perspective view of the utility model Figure 2 is an enlarged view of part B.

[0023] In the figure: 1, bottom plate; 2, grinding assembly; 21, mounting frame; 22, lifting motor; 23, power center shaft; 24, annular plate; 25, arc-shaped track groove; 26, positioning column; 27, positioning sleeve; 28, grinding cylinder; 29, sealing head; 3, bottom supporting assembly; 31, synchronous plate; 32, outer cylinder; 33, telescopic rod; 34, plugging ring plate; 35, bevel ring plate; 36, plugging rod; 4, material receiving assembly; 41, elastic bottom pad; 42, annular cover; 43, receiving filter frame. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-4 , the utility model provides two technical schemes:

[0026] Embodiment one, a vertical grinding machine for polytetrafluoroethylene processing, comprising:

[0027] Bottom plate 1, the bottom of bottom plate 1 is provided with anti-skid supporting pad;

[0028] Grinding assembly 2, the bottom of grinding assembly 2 is fixedly connected with the top of bottom plate 1, and grinding assembly 2 is used for powdering operation on polytetrafluoroethylene;

[0029] Bottom supporting assembly 3, one side of bottom supporting assembly 3 is fixedly connected with one side of grinding assembly 2, and bottom supporting assembly 3 is used for controlling the material in the machine;

[0030] The bottom of the material receiving assembly 4 is fixedly connected with the top of the bottom plate 1, and the material receiving assembly 4 is used for preliminary material distribution and filtering of polytetrafluoroethylene. By means of the arrangement of the grinding assembly 2 and the bottom supporting assembly 3, the final grinding cylinder 28 is driven to rotate by the lifting motor 22, so that the polytetrafluoroethylene passing through the surface of the grinding cylinder 28 is ground. The whole adopts the rotating side surface to grind the large particle objects between the outer cylinder 32 and the grinding cylinder 28, so as to avoid the particles from being embedded in the sieve hole. In addition, the bottom of the outer cylinder 32 is blocked by the blocking rod 36 at ordinary times. Once the ground product is released, it can slide along the inclined edge ring plate 35 into the center position, which is convenient for later collection.

[0031] The main difference between the second embodiment and the first embodiment is that the vertical grinding machine for processing polytetrafluoroethylene comprises a mounting frame 21 fixedly connected with the top of the bottom plate 1, a lifting motor 22 fixedly connected with one side of the mounting frame 21 through a top hanger, a power center shaft 23 fixedly connected with the bottom end of the output shaft of the lifting motor 22 through a shaft coupling, an annular plate 24 fixedly connected with the surface of the power center shaft 23, an arc-shaped track groove 25 formed in the bottom of the annular plate 24, a plurality of positioning columns 26 fixedly connected with the top of the annular plate 24, a positioning sleeve 27 movably sleeved with the surface of the positioning column 26, a grinding cylinder 28 fixedly connected with the top of the positioning sleeve 27, a sealing head 29 movably connected with the top of the grinding cylinder 28, a synchronous plate 31 fixedly connected with one side of the surface of the grinding assembly 2, an outer cylinder 32 fixedly connected with one side of the synchronous plate 31, an extension rod 33 fixedly connected with the bottom of the synchronous plate 31, a blocking ring plate 34 fixedly connected with the bottom end of the extension rod 33, an inclined edge ring plate 35 fixedly connected with one side of the top of the blocking ring plate 34, a blocking rod 36 fixedly connected with the top of the inclined edge ring plate 35, and a material receiving assembly 4 comprising a resilient bottom pad 41 fixedly connected with the top of the bottom plate 1, an annular outer cover 42 fixedly connected with the top of the resilient bottom pad 41, and a circular receiving filter frame 43 movably connected with the inner wall of the annular outer cover 42. By means of the arrangement of the material receiving assembly 4, the device adopts the resilient bottom pad 41 to collect and filter the material, the ground material is received and filtered through the receiving filter frame 43, and when necessary, the receiving filter frame 43 can be pulled up for maintenance, which is easy to operate.

[0032] The outer cylinder 32 comprises a side edge and an arc-shaped bottom plate, and a groove capable of adapting to the blocking rod 36 is formed in the bottom of the outer cylinder 32. The top end of the blocking rod 36 is provided with a taper. During work, the receiving filter frame 43 is provided with a packaging bag at the bottom.

[0033] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0034] When working, the polytetrafluoroethylene large particle material is poured into the outer cylinder 32, the lifting motor 22 on one side of the mounting frame 21 is started, the annular plate 24 is driven through the power center shaft 23, and finally the grinding cylinder 28 is driven to rotate through the positioning column 26, thereby rotating and grinding the material passing between the grinding cylinder 28 and the outer cylinder 32, at the same time, the arc track groove 25 in the annular plate 24 slides with the surface of the outer cylinder 32, the ground material falls to the bottom of the inner wall of the outer cylinder 32, when there are more finished products, the telescopic rod 33 is elongated, the blocking rod 36 is driven to move downward through the blocking ring plate 34 and the bevel ring plate 35, the material falls, the blocking rod 36 is separated from the outer cylinder 32, the ground material falls into the receiving filter frame 43 horizontally, when the receiving filter frame 43 is taken out, the annular cover 42 and the elastic bottom pad 41 are pressed down, and it is taken out, the device is completely used, and it is restored.

[0035] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vertical grinding mill for processing polytetrafluoroethylene, characterized in that, Include: The bottom plate (1), the bottom of the bottom plate (1) is provided with an anti-skid pad; The grinding assembly (2), the bottom of the grinding assembly (2) is fixedly connected with the top of the bottom plate (1), and the grinding assembly (2) is used for powdering operation of polytetrafluoroethylene; The bottom supporting assembly (3), one side of the bottom supporting assembly (3) is fixedly connected with one side of the grinding assembly (2), and the bottom supporting assembly (3) is used for controlling the material inside the machine; The material receiving assembly (4), the bottom of the material receiving assembly (4) is fixedly connected with the top of the bottom plate (1), and the material receiving assembly (4) is used for preliminary material distribution filtering of polytetrafluoroethylene.

2. A vertical PTFE processing mill according to claim 1, characterized in that: The grinding assembly (2) includes a mounting frame (21) fixedly connected with the top of the bottom plate (1), one side of the mounting frame (21) is fixedly connected with a lifting motor (22) through a top hanger, the bottom end of the output shaft of the lifting motor (22) is fixedly connected with a power center shaft (23) through a shaft coupling, and the surface of the power center shaft (23) is fixedly connected with an annular plate (24), and the bottom of the annular plate (24) is provided with an arc track groove (25).

3. A vertical PTFE processing mill according to claim 2, characterized in that: The top of the annular plate (24) is fixedly connected with a plurality of positioning columns (26), the surface of the positioning column (26) is movably sleeved with a positioning sleeve (27), the top of the positioning sleeve (27) is fixedly connected with a grinding cylinder (28), and the top of the grinding cylinder (28) is movably connected with a sealing head (29).

4. A vertical PTFE processing mill according to claim 1, characterized in that: The bottom supporting assembly (3) includes a synchronous plate (31) fixedly connected with the surface of the grinding assembly (2), and one side of the synchronous plate (31) is fixedly connected with an outer cylinder (32).

5. A vertical PTFE processing mill according to claim 4, characterized in that: The bottom of the synchronous plate (31) is fixedly connected with a telescopic rod (33), the bottom end of the telescopic rod (33) is fixedly connected with a blocking ring plate (34), one side of the top of the blocking ring plate (34) is fixedly connected with a beveled ring plate (35), and the top of the beveled ring plate (35) is fixedly connected with a blocking rod (36).

6. A vertical PTFE processing mill according to claim 1, characterized in that: The material receiving assembly (4) includes an elastic bottom pad (41) fixedly connected with the top of the bottom plate (1), the top of the elastic bottom pad (41) is fixedly connected with an annular cover (42), and the inner wall of the annular cover (42) is movably connected with a circular receiving filter frame (43).