Crushing device for latex powder production

Abstract

The utility model relates to the technical field of latex powder processing, and discloses a crushing device for latex powder production, which comprises a casing and a screen, the right side of the casing is fixedly connected with a column casing, the outside of the top end of the column casing is fixedly connected with a support plate, the top end of the support plate is fixedly connected with a motor, the driving end of the motor is fixedly connected with a transmission shaft, and the transmission shaft is fixedly connected with the screen. A driving bevel gear is fixedly connected to the exterior of the transmission shaft, a crushing frame is fixedly connected to the end, away from the motor, of the transmission shaft, a shaft rod is rotationally connected to the middle of the top end of the column casing, a driven bevel gear is fixedly connected to the top end of the exterior of the shaft rod, and spiral blades are fixedly connected to the exterior of the shaft rod; and the top end of the shaft rod is fixedly connected with a crushing wheel. According to the device, latex materials are automatically crushed, unqualified latex powder is secondarily crushed and then transported, the screen is quickly and accurately disassembled and assembled, and the filter screen can be conveniently subjected to daily inspection, cleaning and maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to latex powder processing technical field especially relates to a kind of pulverizing device for latex powder production. BACKGROUND

[0002] Redispersible latex powder is processed by special polymer emulsion through spray drying, and protective colloid, anti-hardening agent and other additives are indispensable in the processing process. After drying, the latex powder is some 80-100mm spherical particles gathered together. In order to make the emulsion have the performance of secondary dispersion after being made into powder, the spray drying process needs to be controllable. The emulsion is only allowed to lose water properly, not completely dried. If the latex powder particles are too close to each other (such as heavy pressure), the particles will stick together. Therefore, a pulverizing device is needed to pulverize the caked latex powder.

[0003] During the crushing process, a large amount of latex powder dust will inevitably be raised. These dusts not only pollute the air quality of the production workshop and harm the health of the operators, but also increase the safety hazards in the production process. Long-term exposure to such an environment can cause respiratory diseases and other occupational diseases in operators. On the other hand, when caked latex powder needs to be crushed again, the general crushing device cannot realize automatic transportation. Operators have to manually transport the caked latex powder to the designated position for secondary crushing, which undoubtedly increases the work intensity of the operators. Therefore, a pulverizing device for latex powder production is proposed to solve the above problems. SUMMARY

[0004] To make up for the above shortcomings, the utility model provides a kind of pulverizing device for latex powder production, to improve the problem of dust flying and material accumulation difficult to transport in the crushing process in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of pulverizing device for latex powder production, including shell, screen, the right side of the shell is fixedly connected with cylinder, the top outside of the cylinder is fixedly connected with support plate, the top of the support plate is fixedly connected with motor, the drive end of the motor is fixedly connected with transmission shaft, the outside of the transmission shaft is fixedly connected with driving bevel gear, the end of the transmission shaft away from motor is fixedly connected with crushing frame, the top middle part of the cylinder is rotatably connected with shaft, the outside top of the shaft is fixedly connected with driven bevel gear, the outside of the shaft is fixedly connected with helical blade, the top of the shaft is fixedly connected with crushing wheel, the top of the cylinder is fixedly connected with air inlet duct, the end of the air inlet duct close to motor is fixedly connected with fan, the outside top of the cylinder is provided with to screen latex powder with isolating component;

[0006] As further description of the above technical solution:

[0007] The isolating component includes a limiting groove, the limiting groove is provided in the middle of the screen, two clamping columns are fixedly connected in the limiting groove, a limiting tube is fixedly connected to the right side of the screen, a connecting rod is rotatably connected to the middle of the right side of the screen, a clamping block is fixedly connected to one end of the connecting rod close to the cylinder, a semicircular groove is provided in the other end of the connecting rod away from the clamping block.

[0008] As further description of the above technical solution:

[0009] The external teeth of the driving bevel gear are meshingly connected with the external teeth of the driven bevel gear, and the left and right ends of the crushing frame are rotatably connected to the top end of the cylinder.

[0010] As further description of the above technical solution:

[0011] The external sliding connection of the helical blade is realized on the inner wall of the cylinder, the inner bottom end of the cylinder is fixedly connected with a ring frame, and the external rotation connection of the shaft is realized on the inner wall of the ring frame.

[0012] As further description of the above technical solution:

[0013] The external of the screen is clamped with the middle part of the bottom end of the cylinder, and the top end of the crushing wheel is movably connected to the top end of the screen.

[0014] As further description of the above technical solution:

[0015] The semicircular groove is clamped with the inner wall of the limiting tube, the external rotation connection of the connecting rod is realized on the inner wall of the limiting tube, the external of the clamping block is clamped with the inner wall of the clamping column, and the external of the clamping block is clamped with the inner wall of the cylinder.

[0016] As a further description of the above technical solutions:

[0017] The support column is fixedly connected to the top end of the cylinder, and the support column is fixedly connected to the bottom end of the cylinder.

[0018] The utility model has the advantages of the following:

[0019] 1、The utility model discloses a kind of pulverizers, including machine shell, cylinder, support plate, motor, transmission shaft, driving bevel gear, crushing frame, shaft, driven bevel gear, spiral blade, ring frame, crushing wheel, air inlet duct, fan, screen, limiting groove, clamping column, limiting pipe, connecting rod, clamping block and semicircular groove, it is characterized by: the bottom end of the air inlet duct is fixedly connected to the top end of the bottom end of the cylinder.

[0020] 2、The utility model discloses a kind of pulverizers, including machine shell, cylinder, support plate, motor, transmission shaft, driving bevel gear, crushing frame, shaft, driven bevel gear, spiral blade, ring frame, crushing wheel, air inlet duct, fan, screen, limiting groove, clamping column, limiting pipe, connecting rod, clamping block and semicircular groove, it is characterized by: the bottom end of the air inlet duct is fixedly connected to the top end of the bottom end of the cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A three-dimensional schematic view of the pulverizing device for rubber powder production is provided for the utility model;

[0022] Figure 2 A structural schematic view of the machine shell of the pulverizing device for rubber powder production is provided for the utility model;

[0023] Figure 3 A structural schematic view of the transmission shaft of the pulverizing device for rubber powder production is provided for the utility model;

[0024] Figure 4 A structural schematic view of the connecting rod of the pulverizing device for rubber powder production is provided for the utility model.

[0025] LEGEND:

[0026] 1, machine shell;2, cylinder;3, support plate;4, motor;5, transmission shaft;6, driving bevel gear;7, crushing frame;8, shaft;9, driven bevel gear;10, spiral blade;11, ring frame;12, crushing wheel;13, air inlet duct;14, fan;15, screen;16, limiting groove;17, clamping column;18, limiting pipe;19, connecting rod;20, clamping block;21, semicircular groove;22, support column;23, bottom end. DETAILED DESCRIPTION

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Reference Figures 1 to 3 This utility model provides an embodiment of a pulverizing device for latex powder production, comprising a housing 1 and a screen 15. The housing 1 has a conical hopper at its top and a shell inclined to the right below. A cylindrical column 2 is fixedly connected to the right side of the housing 1 and works in conjunction with the housing 1. A support plate 3 is fixedly connected to the top of the column 2, and a motor 4 is fixedly connected to the top of the support plate 3. The motor 4 is fixedly connected to the top of the support plate 3 via matching bolts and nuts, ensuring that the motor 4 does not shake or shift during operation. A drive shaft 5 is fixedly connected to the drive end of the motor 4, transmitting the rotational power output by the motor 4.

[0029] refer to Figure 2 , Figure 3 A drive bevel gear 6 is fixedly connected to the outside of the drive shaft 5. The external teeth of the drive bevel gear 6 mesh with the external teeth of the driven bevel gear 9, enabling efficient power transmission and direction change. A crushing frame 7 is fixedly connected to the end of the drive shaft 5 away from the motor 4. The left and right ends of the crushing frame 7 are rotatably connected to the top of the column cylinder 2. The material is mostly alloy steel to ensure sufficient strength and wear resistance when crushing latex materials. The left and right ends of the crushing frame 7 are rotatably connected to the top of the column cylinder 2 through bearing rotating parts, allowing the crushing frame 7 to rotate stably at the top of the column cylinder 2 under the drive of the drive shaft 5.

[0030] A shaft 8 is rotatably connected to the top center of the column 2. The function of the shaft 8 is to provide stable support and a smooth rotation base for the driven bevel gear 9 and the subsequent spiral blade 10 and crushing wheel 12. The driven bevel gear 9 is fixedly connected to the outer top of the shaft 8. The driven bevel gear 9 closely cooperates with the driving bevel gear 6 to accurately change the direction of the power transmitted from the drive shaft 5 and efficiently transmit it to the shaft 8.

[0031] The outer part of the shaft 8 is fixedly connected with the spiral blade 10, the outer part of the spiral blade 10 is slidingly connected to the inner wall of the cylinder 2, when the shaft 8 rotates, the spiral blade 10 can stably and efficiently transmit the broken latex powder along the inner wall of the cylinder 2 downward. The inner bottom end of the cylinder 2 is fixedly connected with the ring frame 11, the outer part of the shaft 8 is rotatably connected to the inner wall of the ring frame 11, the ring frame 11 is used to stably support the bottom end of the shaft 8, so that the shaft 8 always remains stable during high-speed rotation and does not appear radial jumping or axial excursion. The top end of the shaft 8 is fixedly connected with the crushing wheel 12, under the driving of the shaft 8, the crushing wheel 12 continuously and efficiently crushes the unqualified latex powder on the screen 15, so as to ensure that the finally output latex powder particle size is uniform and meets the strict quality standard.

[0032] The top end of the cylinder 2 is fixedly connected with the air inlet pipe 13, one end of the air inlet pipe 13 close to the motor 4 is fixedly connected with the fan 14, the fan 14 is used to strongly blow air into the air inlet pipe 13, which provides key air support for the screening and conveying process of the latex powder, and ensures that the whole production process can be efficiently and smoothly carried out. The bottom end of the cylinder 2 is fixedly connected with the support column 22 on the front and rear sides of the casing 1, the support column 22 is used to stably support the whole device and keep it at a suitable working height, so as to facilitate the operator to carry out the operations such as feeding and monitoring. The top end of the support column 22 is fixedly connected with the base 23, the bottom end of the air inlet pipe 13 is fixedly connected to the top end of the base 23, the bottom end of the air inlet pipe 13 is fixedly connected to the top end of the base 23 by welding, which further enhances the stability of the air inlet pipe 13.

[0033] Reference Figure 4 The outer top end of the cylinder 2 is provided with an isolation assembly for screening the latex powder, the outer part of the screen 15 is engaged with the middle part of the bottom end of the cylinder 2, the top end of the crushing wheel 12 is movably connected to the top end of the screen 15, and the crushing wheel 12 can rotate in close contact with the top end surface of the screen 15 when rotating. The isolation assembly comprises a limiting groove 16, the limiting groove 16 is formed in the middle part of the screen 15, and the limiting groove 16 is a through opening groove. The inner part of the limiting groove 16 is fixedly connected with two clamping columns 17, and the clamping columns 17 are fixedly arranged in the inner wall of the limiting groove 16. The right side of the screen 15 is fixedly connected with a limiting tube 18, and the middle part of the limiting tube 18 is a three-quarter circular hole.

[0034] The middle part of the right side of the screen 15 is rotationally connected with a connecting rod 19, the connecting rod 19 penetrates the screen 15 and is rotationally connected with the inner wall of the limiting tube 18, one end of the connecting rod 19 close to the cylinder 2 is fixedly connected with a clamping block 20, the outer part of the clamping block 20 is clamped with the inner wall of the clamping column 17, the clamping column 17 limits the rotating angle of the clamping block 20.

[0035] Working principle: when in use, the motor 4 is started to drive the transmission shaft 5 to rotate the crushing frame 7 and the driving bevel gear 6, so that the crushing frame 7 crushes the latex material discharged from the discharge port of the shell 1, and the driving bevel gear 6 synchronously drives the transmission shaft 5 to rotate through the external teeth to drive the driven bevel gear 9 to drive the spiral blade 10 to transport the crushed latex powder to the position of the air inlet pipeline 13, so as to prevent the powder from splashing and transport the latex powder at the same time, then the fan 14 is started to blow air into the inclined air inlet pipeline 13, so that the qualified latex powder is screened by the screen 15 and then flows out along the air inlet pipeline 13, while the unqualified product is driven by the air flow to rise into the cylinder 2, at this time, the continuously rotating shaft rod 8 drives the crushing wheel 12 to continuously crush the unqualified latex powder on the screen 15, so as to maintain the consistency of the latex powder particles. Finally, the crushed latex powder flows out along the pipeline of the air inlet pipeline 13.

[0036] When the screen 15 needs to be cleaned and maintained, the connecting rod 19 is rotated to drive the clamping block 20 to rotate by 90 degrees to the inner wall of the limiting groove 16, and the half face of the half-circular groove 21 on the connecting rod 19 and the three-quarter opening limiting tube 18 are rotationally limited by 90 degrees, so that the clamping block 20 and the inner wall of the cylinder 2 are quickly and accurately unlocked and self-locked, and the screen 15 is quickly disassembled and assembled.

[0037] Finally, it should be noted that the above-described preferred embodiments of the present application are not intended to limit the present application, and although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A pulverizing device for latex powder production, comprising a casing (1), a screen (15), characterized in that: The right side of the casing (1) is fixedly connected with a cylinder (2), the top end of the cylinder (2) is fixedly connected with a support plate (3) outside, the top end of the support plate (3) is fixedly connected with a motor (4), the driving end of the motor (4) is fixedly connected with a transmission shaft (5), the outside of the transmission shaft (5) is fixedly connected with a driving bevel gear (6), the end of the transmission shaft (5) away from the motor (4) is fixedly connected with a crushing frame (7), the top end of the cylinder (2) is rotatably connected with a shaft rod (8) in the middle, the outside of the shaft rod (8) is fixedly connected with a driven bevel gear (9) at the top end, the outside of the shaft rod (8) is fixedly connected with a spiral blade (10), the top end of the shaft rod (8) is fixedly connected with a crushing wheel (12), the top end of the cylinder (2) is fixedly connected with an air inlet pipeline (13), the end of the air inlet pipeline (13) close to the motor (4) is fixedly connected with a fan (14), and the top end of the cylinder (2) is provided with an isolation assembly for screening latex powder.

2. The pulverizing device for latex powder production according to claim 1, characterized in that: The isolation assembly comprises a limiting groove (16) formed in the middle of the screen mesh (15), two clamping columns (17) fixedly connected inside the limiting groove (16), a limiting tube (18) fixedly connected to the right side of the screen mesh (15), a connecting rod (19) rotatably connected to the right side of the screen mesh (15) in the middle, a clamping block (20) fixedly connected to the end of the connecting rod (19) close to the cylinder (2), and a semicircular groove (21) formed in the end of the connecting rod (19) away from the clamping block (20).

3. The pulverizing device for latex powder production according to claim 1, characterized in that: The external teeth of the driving bevel gear (6) are in meshing connection with the external teeth of the driven bevel gear (9), and the left and right ends of the crushing frame (7) are rotatably connected to the top end of the cylinder (2).

4. The pulverizing device for latex powder production according to claim 1, characterized in that: The outside of the spiral blade (10) is slidably connected to the inner wall of the cylinder (2), the inside of the cylinder (2) is fixedly connected with a ring frame (11) at the bottom end, and the outside of the shaft rod (8) is rotatably connected to the inner wall of the ring frame (11).

5. The pulverizing device for latex powder production according to claim 1, characterized in that: The outside of the screen mesh (15) is engaged with the middle part of the bottom end of the cylinder (2), and the top end of the crushing wheel (12) is movably connected to the top end of the screen mesh (15).

6. The pulverizing device for latex powder production according to claim 2, characterized in that: The semicircular groove (21) is engaged with the inner wall of the limiting tube (18), the outside of the connecting rod (19) is rotatably connected to the inner wall of the limiting tube (18), the outside of the clamping block (20) is engaged with the inner wall of the clamping column (17), and the outside of the clamping block (20) is engaged with the inner wall of the cylinder (2).

7. The pulverizing device for latex powder production according to claim 1, characterized in that: The bottom end of the cylinder (2) is fixedly connected with a supporting column (22) on the front and back sides of the casing (1), the top end of the supporting column (22) is fixedly connected with a base (23), and the bottom end of the air inlet pipeline (13) is fixedly connected to the top end of the base (23) in the middle.

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