Polytetrafluoroethylene raw material processing stirrer
By introducing a limiting groove, rotating rod, universal ball, and mixing blades into the mixer, the problem of poor mixing effect caused by eddy currents was solved, achieving uniform dispersion and accelerated crushing of materials, and improving the mixing efficiency and product quality of polytetrafluoroethylene raw materials.
Patent Information
- Application Number
- CN202423228276.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing polytetrafluoroethylene (PTFE) raw material mixing equipment suffers from poor mixing effect due to eddy currents generated after temperature rise and additive addition, which increases mixing time and cost.
A mixer comprising a limiting groove, a rotating rod, a universal ball, and stirring blades was designed. Through the cooperation of the limiting groove and the universal ball, the stirring blades swing up and down, disrupting the vortex. Combined with the coaxial reversal of the crushing blade assembly, the uniform dispersion of materials and the accelerated crushing are achieved.
It improves the flow and dispersion uniformity of materials in the mixer, optimizes material distribution, and improves product quality and performance.
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Figure CN223589777U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of polytetrafluoroethylene production equipment, in particular to a polytetrafluoroethylene raw material processing stirrer. BACKGROUND
[0002] Polytetrafluoroethylene is also known as iron fluorine dragon, commonly known as "plastic king", it is a kind of high molecular polymer prepared by taking tetrafluoroethylene as monomer polymerization, it has the characteristics of resisting acid and alkali, resisting various organic solvents, it is almost insoluble in all solvents, usually white powder or granular, its molecular weight is very large, fluorine atom and carbon atom in molecular structure form strong chemical bond, so it has very high melting point and thermal stability, due to its special characteristics, it is widely used in industrial production and daily life.
[0003] In the production of polytetrafluoroethylene, the raw materials need to be crushed, heated, mixed and stirred, etc., among which, during mixing and stirring, as the temperature rises and the additives are added, the raw materials gradually change from solid to thick liquid, and the general stirrer is single-directional axial stirring, the vortex generated can make the internal materials rotate with the vortex, so that the mixing effect is poor, and the stirring time and cost are increased.
[0004] Therefore, the present application is proposed. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of polytetrafluoroethylene raw material processing stirrer to solve the problems raised in the above background.
[0006] To solve the above technical problems, the polytetrafluoroethylene raw material processing stirrer provided by the utility model includes a box body one and a box body two fixedly connected to the top of the box body one, a driving mechanism is arranged in the box body two, the driving mechanism in the box body two penetrates the top of the box body one, the driving mechanism includes a rotating shaft one rotatably connected to the top of the box body one, a sleeve shaft one and a sleeve shaft two sleeved outside the rotating shaft one, a ring-shaped groove one is vertically arranged on a section of the sleeve shaft two inside the outer arc wall of the rotating shaft one, a limiting sliding groove is arranged on the outer arc wall of the groove one, a sliding column is slidably connected in the limiting sliding groove and arranged horizontally, a rotating rod is rotatably connected to one end of the sliding column away from the limiting sliding groove, a universal ball is rotatably connected to one end of the rotating rod away from the sliding column, a channel one penetrating along the radial direction of the sleeve shaft two is arranged on the outer arc wall of the sleeve shaft two, the universal ball is rotatably connected in the channel one, and a stirring blade is fixedly connected to the side wall of the universal ball away from the rotating shaft one.
[0007] Further, the sleeve shaft one and the sleeve shaft two are hollow structures, the sleeve shaft one is located above the sleeve shaft two and the two are in mutual rotation contact, the cross section radius of the one section of the sleeve shaft one sleeved in the sleeve shaft two is smaller than the cross section radius of the one section of the sleeve shaft one sleeved in the sleeve shaft two, and the two sections of the sleeve shaft one are in cliff transition, wherein, the gap exists between the outer arc wall of the one section of the sleeve shaft one sleeved in the sleeve shaft two and the inner arc wall of the sleeve shaft two, and the rotating rod is located between the sleeve shaft one and the sleeve shaft two.
[0008] Further, the outer arc wall of the sleeve shaft one is fixedly connected with a crushing blade group, the outer arc wall of the sleeve shaft two is fixedly connected with a crushing blade group with the same structure, the crushing blade group comprises a plurality of spiral blades with the same structure and arranged in a ring array about the sleeve shaft two in the axial direction, and the spiral blades in the two crushing blade groups are in the same rotation direction.
[0009] Further, the driving mechanism in the box two comprises a bevel gear two rotationally connected to the center of the inner wall of the top of the box two, the bevel gear two is meshingly connected with a bevel gear one on one side, the bevel gear one is meshingly connected with a bevel gear three away from the bevel gear two on one side, the bevel gear two and the bevel gear three are coaxially arranged and symmetrically arranged about the horizontal plane of the axis of the bevel gear one, the sleeve shaft one penetrates the bevel gear three and is fixedly connected to the bevel gear two, the bevel gear three is fixedly connected with a sleeve shaft two at the bottom, and the sleeve shaft two is sequentially arranged in the box two and the box one towards the inside of the box one.
[0010] Further, the bevel gear one is fixedly connected with a motor away from the bevel gear two and the bevel gear three on one side, the bevel gear three and the sleeve shaft two are both provided with a channel one penetrating along the axial direction thereof at the center of the top, the sleeve shaft one is arranged penetrating the channel one and can rotate with the bevel gear three and the sleeve shaft two, a plurality of recesses two are formed on the outer side of the bottom of the sleeve shaft two, a plurality of clamping blocks one are fixedly connected to the outer side of the top of the sleeve shaft one, and the plurality of clamping blocks one correspond to the plurality of recesses two.
[0011] Further, the outer arc wall of the one section of the sleeve shaft one sleeved in the sleeve shaft two is provided with a plurality of sliding grooves one arranged in a ring array, the length direction of the sliding grooves one is parallel to the axial direction of the sleeve shaft two, and the inner arc wall of the sleeve shaft two is fixedly connected with a plurality of sliding strips one arranged in a ring array, the plurality of sliding strips one correspond to the plurality of sliding grooves one.
[0012] Further, the center of the bottom of the sleeve shaft one is fixedly connected with a fixing bolt, the outer arc wall of the fixing bolt is threadedly connected with a fixing cover, and the fixing cover abuts against the sleeve shaft two.
[0013] Further, the outer arc wall of the box one is provided with a feeding port on one side, the bottom of the box one is provided with a discharging port, and the box one is fixedly connected with a power distribution cabinet on one side.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1、By limiting the sliding slot, rotating rod, universal ball and stirring blade, during mixing and stirring, the stirring blade will swing up and down with the rotation of the rotating shaft, which will disrupt the vortex generated by the internal stirring, and further promote the flow and dispersion of the material in the mixer, and improve the uniformity of the dispersion of the material in each area, thereby optimizing the distribution of the material, ensuring the consistency of the mixing degree between each part of the material, and improving the quality and performance of the product.
[0016] 2、By the driving mechanism, the top end and the top end of the crushing blade group are coaxially reversed, which not only speeds up the crushing of the raw materials, but also can stir the materials deposited at the bottom end, and the spiral blades of the crushing blade group can generate a certain thrust when rotating, which can enhance the flow effect of the materials. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structure diagram of the stirring blade and the sleeve shaft two in the polytetrafluoroethylene raw material processing mixer.
[0018] Figure 2 It is a sectional view of the internal structure of the box one in the polytetrafluoroethylene raw material processing mixer.
[0019] Figure 3 It is a structure diagram of the driving mechanism in the polytetrafluoroethylene raw material processing mixer.
[0020] Figure 4 It is a whole structure diagram of the polytetrafluoroethylene raw material processing mixer.
[0021] In the drawing:
[0022] 10, box one; 11, box two;
[0023] 20, motor; 21, bevel gear one; 22, bevel gear two; 23, bevel gear three;
[0024] 30, rotating shaft one; 31, sleeve shaft one; 32, sleeve shaft two; 33, fixed cover;
[0025] 40, crushing blade group; 41, stirring blade; 42, limiting sliding slot; 43, rotating rod; 44, universal ball. DETAILED DESCRIPTION
[0026] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0027] Please refer to Figures 1-4 The utility model provides a technical scheme: including box one 10 and fixedly connected with its top box two 11, be equipped with drive mechanism in box two 11, the drive mechanism in box two 11 penetrates the top of box one 10 and is arranged, drive mechanism includes the rotation of the top of box one 10 pivot one 30 and the sleeve shaft one 31 of setting in the outside of pivot one 30 and sleeve shaft two 32, the outer arc wall of pivot one 30 is located in a section of sleeve shaft two 32 and is vertically provided with annular recess one, the outer arc wall of recess one is provided with limit sliding groove 42, limit sliding groove 42 is slidably connected with the slide column of horizontal arrangement, the end of slide column away from limit sliding groove 42 is rotatably connected with rotating rod 43, the end of rotating rod 43 away from slide column is rotatably connected with universal ball 44, the outer arc wall of sleeve shaft two 32 is provided with channel one along its radial penetration, universal ball 44 is rotatably connected in channel one, the side wall of universal ball 44 away from pivot one 30 is fixedly connected with stirring vane 41.
[0028] Need to explain: pivot one 30 is main drive shaft, sleeve shaft one 31 and sleeve shaft two 32 are all driven pivot, recess one can be regarded as by the ring cutting of pivot one 30 outer arc wall, make pivot one 30 the section radius of this area less than the section radius of other parts, and the adjacent region is between abrupt transition;
[0029] Rotating rod 43 only can be relative slide column in vertical direction and rotates and the rotation surface is in pivot one 30 radial each other parallel, in a possible embodiment, limit sliding groove 42 is inclined annular, and limit sliding groove 42 does not exceed the area range of recess one, when pivot one 30 rotates, horizontal slide column is guided under limit sliding groove 42, will along vertical direction do reciprocating motion, further drive rotating rod 43 to push universal ball 44 to rotate, further make stirring vane 41 swing, in addition channel one and universal ball 44 mutually coincide, namely universal ball 44 is embedded in channel one.
[0030] Please refer to Figures 1-4 The utility model provides a technical scheme: sleeve shaft one 31 and sleeve shaft two 32 are all hollow structure, sleeve shaft one 31 is located above sleeve shaft two 32 and two mutual rotation contact, the section radius of pivot one 30 one section of sleeve shaft two 32 is less than the section radius of pivot one 30 one section of sleeve shaft two 32, and the abrupt transition between pivot one 30 two sections, wherein the outer arc wall of pivot one 30 one section of sleeve shaft two 32 is set up in the clearance between the inner arc wall of sleeve shaft two 32, and rotating rod 43 is located between pivot one 30 and sleeve shaft two 32.
[0031] Need to explain: pivot one 30 can be regarded as two section radius different part splicing, wherein the thin section is connected with drive mechanism.
[0032] Please refer to Figures 1-4The utility model provides a kind of technical scheme: the outer arc wall of sleeve shaft one 31 is fixedly connected with broken blade group 40, the outer arc wall of sleeve shaft two 32 is fixedly connected with the broken blade group 40 of same structure, the broken blade group 40 includes several spiral blades of same structure and about sleeve shaft two 32 axial annular array distribution, and the rotation direction of spiral blade in two the broken blade group 40 is same.
[0033] It should be noted that: in a possible embodiment, broken blade group 40 is approximately spiral as a whole, and there is a gap between adjacent spiral blades, facilitating the crushing and mixing of raw materials, and due to its spiral structure, a screw-like pushing effect can be generated during rotation, causing the raw materials at the top and bottom to move towards the middle, enhancing the mixing effect.
[0034] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: the drive mechanism in box two 11 includes the bevel gear two 22 rotationally connected in the center of the top inner wall of box two 11, the side of bevel gear two 22 is engaged with bevel gear one 21, the side of bevel gear one 21 away from bevel gear two 22 is engaged with bevel gear three 23, bevel gear two 22 and bevel gear three 23 are coaxially arranged and are symmetrically arranged about the horizontal plane of the axis of bevel gear one 21, shaft one 30 penetrates bevel gear three 23 and is fixedly connected to bevel gear two 22, bevel gear three 23 bottom is fixedly connected with shaft two, shaft two sequentially penetrates box two 11 and box one 10 and is arranged towards the inside of box one 10.
[0035] It should be noted that: bevel gear one 21 engages and drives bevel gear two 22 and bevel gear three 23 to rotate in opposite directions, wherein bevel gear two 22 is used to drive shaft one 30 and sleeve shaft two 32 to rotate, bevel gear three 23 drives shaft two and sleeve shaft one 31 to rotate, thereby realizing the reverse rotation of sleeve shaft one 31 and sleeve shaft two 32, and making the limiting sliding groove 42 and sleeve shaft two 32 rotate in opposite directions, so that the stirring blade 41 can swing.
[0036] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: the side of bevel gear one 21 away from bevel gear two 22 and bevel gear three 23 is fixedly connected with motor 20, bevel gear three 23 and the top center of shaft two are both provided with channel one penetrating along its axial direction, shaft one 30 penetrates channel one and is set and shaft one 30 and bevel gear three 23 and shaft two can rotate with each other, the outside of the bottom of shaft two is provided with a plurality of recesses two, the outside of the top of sleeve shaft one 31 is fixedly connected with a plurality of clamping blocks one, a plurality of clamping blocks one and a plurality of recesses two correspond one by one.
[0037] It should be noted that: the clamping block one on the top of sleeve shaft one 31 is used to be connected with shaft two, and then torque is transmitted.
[0038] Please refer toFigures 1-4 The utility model provides a technical scheme: the outer arc wall of the shaft one 30 is set up on the outer arc wall of a section of the sleeve shaft two 32 and is provided with a plurality of ring array distribution's sliding groove one, the length direction of the sliding groove one is parallel with the sleeve shaft two 32 axial direction, the inner arc wall of the sleeve shaft two 32 is fixedly connected with a plurality of ring array distribution's sliding strip one, a plurality of sliding strip one and a plurality of sliding groove one one-to-one correspondence.
[0039] Need to explain: sliding strip one is used for with sliding groove one joint, is used for transmitting torque, in a possible embodiment, the sleeve shaft one 31 and the sleeve shaft two 32 are embedded with the ball bearing on the side wall of each other and approach, are used for reducing the friction of rotating contact.
[0040] Please refer to Figures 1-4 The utility model provides a technical scheme: the bottom center of the shaft one 30 is fixedly connected with fixed bolt, and the fixed cover 33 is screw connected on the outer arc wall of fixed bolt, and the fixed cover 33 and the sleeve shaft two 32 are mutually abutted.
[0041] Need to explain: fixed cover 33 is used for abutting tightly the sleeve shaft two 32, prevents it from falling off.
[0042] Please refer to Figures 1-4 The utility model provides a technical scheme: the outer arc wall of the box one 10 one side is provided with the feed inlet, and the bottom of the box one 10 is provided with the discharge port, and the box one 10 one side is fixedly connected with the power distribution cabinet.
[0043] Need to explain: the valve is equipped at the feed inlet, and the filter screen is equipped at the discharge port, is used for intercepting some not completely mixed particles, and the power distribution cabinet is used for electric control to the whole.
[0044] Working principle:
[0045] Motor 20 drives bevel gear one 21 and then drives bevel gear two 22 and bevel gear three 23 coaxial reverse, bevel gear two 22 drives shaft one 30 and sleeve shaft two 32, bevel gear three 23 drives shaft two and sleeve shaft one 31, and then makes two broken blade groups 40 coaxial reverse rotation, respectively breaks the raw material in the top of the box one 10, agitates the raw material at the bottom, and transports the raw material in these two areas to the middle portion, and under the rotation of shaft one 30, the limit sliding groove 42 rotates, the sleeve shaft two 32 and the limit sliding groove 42 rotate in opposite directions, so that the sliding column reciprocates in the vertical direction under the guidance of the limit sliding groove 42, and then drives the stirring blade 41 to swing, further strengthens the stirring effect.
Claims
1. A polytetrafluoroethylene raw material processing blender, comprising a box one (10) and a box two (11) fixedly connected to the top of the box one (10), a driving mechanism being arranged in the box two (11), the driving mechanism in the box two (11) penetrating through the top of the box one (10), the driving mechanism comprising a rotating shaft one (30) rotatingly connected to the top of the box one (10) and a sleeve shaft one (31) and a sleeve shaft two (32) sleeved outside the rotating shaft one (30), characterized in that: The outer arc wall of the rotating shaft one (30) is vertically provided with an annular groove one in the section located in the sleeve shaft two (32), the outer arc wall of the groove one is provided with a limiting sliding groove (42), the limiting sliding groove (42) is slidably connected with a horizontally arranged sliding column, the end of the sliding column away from the limiting sliding groove (42) is rotatably connected with a rotating rod (43), the end of the rotating rod (43) away from the sliding column is rotatably connected with a universal ball (44), the outer arc wall of the sleeve shaft two (32) is provided with a channel one penetrating along the radial direction thereof, the universal ball (44) is rotatably connected in the channel one, and the side wall of the universal ball (44) away from the rotating shaft one (30) is fixedly connected with a stirring blade (41).
2. A polytetrafluoroethylene raw material processing blender as claimed in claim 1, characterized by: The sleeve shaft one (31) and the sleeve shaft two (32) are both hollow structures, the sleeve shaft one (31) is located above the sleeve shaft two (32) and the two are in mutual rotating contact, the cross section radius of the section of the rotating shaft one (30) sleeved in the sleeve shaft two (32) is smaller than the cross section radius of the section of the rotating shaft one (30) sleeved in the sleeve shaft two (32), and the two sections of the rotating shaft one (30) are in abrupt transition, wherein there is a gap between the outer arc wall of the section of the rotating shaft one (30) sleeved in the sleeve shaft two (32) and the inner arc wall of the sleeve shaft two (32), and the rotating rod (43) is located between the rotating shaft one (30) and the sleeve shaft two (32).
3. A polytetrafluoroethylene raw material processing blender as claimed in claim 1, characterized by: The outer arc wall of the sleeve shaft one (31) is fixedly connected with a crushing blade group (40), the outer arc wall of the sleeve shaft two (32) is fixedly connected with a crushing blade group (40) of the same structure, the crushing blade group (40) comprises a plurality of helical blades of the same structure and arranged in a ring shape in the axial direction of the sleeve shaft two (32), and the helical blades in the two crushing blade groups (40) are of the same rotation direction.
4. A polytetrafluoroethylene raw material processing blender as defined in claim 1, characterized by: The driving mechanism in the box two (11) comprises a bevel gear two (22) rotatably connected to the center of the inner wall of the top of the box two (11), one side of the bevel gear two (22) is meshingly connected with a bevel gear one (21), one side of the bevel gear one (21) away from the bevel gear two (22) is meshingly connected with a bevel gear three (23), the bevel gear two (22) and the bevel gear three (23) are coaxially arranged and symmetrically arranged about the horizontal plane where the axis of the bevel gear one (21) is located, the rotating shaft one (30) penetrates the bevel gear three (23) and is fixedly connected to the bevel gear two (22), the bottom of the bevel gear three (23) is fixedly connected with a rotating shaft two, and the rotating shaft two is sequentially arranged towards the inside of the box one (10) by penetrating the box two (11) and the box one (10).
5. A polytetrafluoroethylene raw material processing blender as claimed in claim 4, characterized by: The side of the bevel gear one (21) away from the bevel gear two (22) and the bevel gear three (23) is fixedly connected with a motor (20), the top center of the bevel gear three (23) and the rotating shaft two are both provided with a channel one penetrating along the axial direction thereof, the rotating shaft one (30) penetrates the channel one and is rotatable with the bevel gear three (23) and the rotating shaft two, the bottom outer side of the rotating shaft two is provided with a plurality of grooves two, the top outer side of the sleeve shaft one (31) is fixedly connected with a plurality of clamping blocks one, and the plurality of clamping blocks one correspond to the plurality of grooves two.
6. A polytetrafluoroethylene raw material processing blender as defined in claim 4, characterized by: The outer arc wall of a section of the outer arc wall of the sleeve shaft two (32) is sleeved with the outer arc wall of the sleeve shaft one (30), a plurality of chute one in annular array distribution is opened on the outer arc wall, the length direction of the chute one is parallel to the sleeve shaft two (32) axial direction, the inner arc wall of the sleeve shaft two (32) is fixedly connected with a plurality of slide strip one in annular array distribution, and the plurality of slide strip one is corresponding to the plurality of chute one.
7. A polytetrafluoroethylene raw material processing blender as defined in claim 4, characterized by: The bottom center of the sleeve shaft one (30) is fixedly connected with a fixed bolt, the outer arc wall of the fixed bolt is threadedly connected with a fixed cover (33), and the fixed cover (33) is in abutment with the sleeve shaft two (32).
8. A polytetrafluoroethylene raw material processing blender as defined in claim 1, characterized by: The outer arc wall of the box one (10) is connected with a power distribution cabinet on one side.