A mixing and mixing device for processing handcart tires
By employing an automatic lubrication system controlled by a screw pump and servo motor in the rubber mixing and compounding unit, the problems of inaccurate lubrication and low efficiency in conveying high-viscosity fluids in traditional methods have been solved. This has enabled stable delivery of lubricating oil and continuous material handling, thereby improving equipment lifespan and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO XINHAOSHUN SPECIAL VEHICLE CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-07-21
AI Technical Summary
Traditional rubber mixing and compounding equipment suffers from problems such as inaccurate manual application of lubrication, high labor costs, and easy equipment wear. Furthermore, existing delivery pumps are inefficient or have weak capacity when transporting high-viscosity fluids, and are prone to cavitation.
Automatic lubrication is achieved by using a screw pump and combined with servo motor control, which enables precise delivery of lubricating oil and control of lubrication volume. The mixing component enables continuous material operation and reduces material transfer steps.
It achieves stable delivery of lubricating oil, avoids equipment wear caused by insufficient lubrication, improves production efficiency and product quality, and reduces the risk of impurities entering the equipment.
Smart Images
Figure CN224527656U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of handcart tire processing equipment, specifically relating to a rubber mixing and compounding device for handcart tire processing. Background Technology
[0002] In the production process of handcart tires, rubber mixing and compounding is a crucial step, and its processing quality directly affects the tire's performance and service life. Traditional rubber mixing and compounding equipment often has many shortcomings.
[0003] Regarding the lubrication of transmission components in rubber mixing equipment, existing technologies employ manual periodic application of lubricating oil or automatic lubrication using a transfer pump. The manual method is not only labor-intensive but also makes it difficult to ensure the accuracy of the lubricating oil application amount and timing, easily leading to increased wear of transmission components due to insufficient lubrication, shortening equipment lifespan, and increasing maintenance costs. Equipment using transfer pumps such as gear pumps and centrifugal pumps faces challenges. Gear pumps, when conveying high-viscosity fluids, are prone to fluid slippage and efficiency reduction due to gear meshing clearances, and also generate significant pulsating noise. Centrifugal pumps rely on centrifugal force to transport fluids, have weak suction capacity for high-viscosity media, and are prone to cavitation. Therefore, those skilled in the art have provided a rubber mixing and compounding apparatus for handcart tire processing to solve the aforementioned problems. Utility Model Content
[0004] The purpose of this utility model is to provide a rubber mixing and compounding device for processing handcart tires that has a simple structure and reasonable design in order to solve the above problems.
[0005] This utility model achieves the above-mentioned objective through the following technical solution: it includes a mounting base, a rubber mixing mechanism is installed on one side of the top of the mounting base, the rubber mixing mechanism includes two mounting plates symmetrically distributed on the top of the mounting base, a rubber mixing tank is fixedly installed between the mounting plates, a transmission box is installed on the side wall of any of the mounting plates, two meshing transmission gears are rotatably connected to the inner side wall of the transmission box, and an automatic lubrication component is provided on the top of the transmission box, the automatic lubrication component cooperates with the transmission gears.
[0006] As a further optimization of this utility model, the automatic lubrication assembly includes a lubricating oil tank fixedly installed on one side of the top of the transmission box, with an oil suction pipe connected through the side wall of the lubricating oil tank, and a screw pump connected to the other end of the oil suction pipe.
[0007] As a further optimization of this utility model, a transmission rod is rotatably connected to one side of the inner wall of the screw pump. One end of the transmission rod is connected to a transmission turntable, and the other end of the transmission rod is fixedly connected to a second servo motor mounted on the top of the transmission box. A rotor is installed at an eccentric position on the side wall of the transmission turntable. A stator that is interference-fitted with the rotor is fixedly installed on the inner wall of the screw pump. An oil guide pipe that penetrates the top of the transmission box is connected to a position at the bottom of the stator.
[0008] As a further optimization of this utility model, a third servo motor is fixedly installed on the side wall of the oil guide pipe and inside the transmission box. The output end of the third servo motor is connected to an output shaft rotatably connected to the inner wall of the oil guide pipe. A valve disc rotatably connected to the inside of the oil guide pipe is fixedly installed on the side wall of the output shaft.
[0009] As a further optimization of this utility model, two cooperating mixing rollers are installed on the inner side wall of the rubber mixing tank, and a transmission shaft that is fixedly connected to the side wall of the transmission gear is passed through and fixedly connected to the side wall of the corresponding mixing roller.
[0010] As a further optimization of this utility model, a first servo motor is fixedly installed on the front side wall of the transmission box, the output end of the first servo motor is fixedly connected to the side wall of any transmission shaft, and one end of another transmission shaft is rotatably connected to the inner side wall of the transmission box.
[0011] As a further optimization of this utility model, a mixing component is provided above the rubber mixing mechanism. The mixing component includes four brackets fixedly installed at the four corners of the top of the mounting base. A mixing tank is installed on the top of the brackets. A stirring motor is installed on the top of the mixing tank. A raw rubber block adding port is opened on one side of the top of the mixing tank. A feeding valve is installed at the bottom of the mixing tank. The bottom of the feeding valve is connected to the top of the rubber mixing tank.
[0012] As a further optimization of this utility model, a number of auxiliary mixing agent storage tanks are also installed on the top of the mounting base. Each of the auxiliary mixing agent storage tanks is equipped with a feeding pump on its top. The input end of the feeding pump passes through the interior of the corresponding auxiliary mixing agent storage tank, and the output end of the feeding pump is connected to a feeding pipe. The other end of the feeding pipe passes through the top of the mixing tank.
[0013] The beneficial effects of this utility model are as follows:
[0014] 1. In this utility model, the screw pump's spiral chamber can continuously and smoothly push lubricating oil, avoiding the impact of viscosity fluctuations on the delivery volume. The screw pump delivers the medium through the squeezing action of the rotor and stator, maintaining a stable delivery efficiency even when the lubricating oil viscosity changes with temperature. The interference fit sealing structure is superior to the tooth backlash of gear pumps or the piston ring seal of plunger pumps, avoiding dosage deviations caused by lubricating oil leakage during delivery. It is especially suitable for scenarios requiring precise control of lubrication volume.
[0015] 2. This utility model, by setting the mixing component above the rubber mixing mechanism, realizes the integrated continuous operation of material from mixing to rubber mixing, reduces material transfer links, reduces the risk of impurities entering, and improves production efficiency and product quality. For example, the mixing tank can initially mix the raw rubber blocks and auxiliary mixing agents under the action of the stirring motor. The mixed material can directly enter the rubber mixing tank below for rubber mixing, avoiding the trouble of multiple material handling in traditional devices.
[0016] 3. In this utility model, the screw pump relies on the interference fit between the rotor and the stator to achieve positive displacement pumping through the eccentric rotation of the rotor. When the rotor rotates, the volume of the suction chamber of the screw pump gradually increases, forming a partial vacuum, thereby drawing the lubricating oil in the lubricating oil tank through the suction pipe. Subsequently, as the rotor continues to rotate, the lubricating oil is pushed to the guide pipe connected to the discharge chamber to lubricate the transmission gears in conjunction with the opening and closing of the valve disc. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the automatic lubrication assembly of this utility model;
[0019] Figure 3 This is a first partial structural schematic diagram of the present invention;
[0020] Figure 4 This is a schematic diagram of the second partial structure of this utility model;
[0021] Figure 5 This is a utility model Figure 2 Enlarged view of point A in the middle;
[0022] Figure 6 This is a utility model Figure 3 Enlarged diagram of point B in the middle.
[0023] In the diagram: 1. Mounting base; 2. Rubber mixing mechanism; 201. Rubber mixing tank; 202. First servo motor; 203. Transmission box; 204. Mounting plate; 205. Mixing roller; 206. Transmission gear; 207. Transmission shaft; 3. Automatic lubrication assembly; 301. Lubricating oil tank; 302. Second servo motor; 303. Transmission rod; 304. Oil suction pipe; 305. Transmission turntable; 306. Rotor; 307. Stator; 308. Oil guide pipe; 309. Third servo motor; 310. Valve disc; 311. Output shaft; 312. Screw pump; 4. Auxiliary mixing agent storage tank; 5. Feeding pipe; 6. Mixing assembly; 601. Stirring motor; 602. Mixing tank; 603. Raw rubber block addition port; 604. Support; 7. Discharge valve. Detailed Implementation
[0024] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.
[0025] Example 1
[0026] like Figure 1 , Figure 2 , Figure 4 As shown, a heat shrink tubing metering and winding device includes a mounting frame 1, a rubber mixing mechanism 2 mounted on one side of the top of the mounting base 1, a mixing component 6 above the rubber mixing mechanism 2, and several auxiliary mixing agent storage tanks 4 mounted on the top of the mounting base 1. The mixing component 6 includes four brackets 604 fixedly mounted at the four corners of the top of the mounting base 1. The brackets 604 are connected to the mounting base 1 by welding or bolts. A mixing tank 602 is mounted on the top of the brackets 604 by welding or bolts, and a stirring motor 601 is mounted on the top of the mixing tank 602 by bolts. The output shaft of 01 passes through the top of the mixing tank 602 and is equipped with stirring blades. A raw rubber block adding port 603 is opened on one side of the top of the mixing tank 602 for adding raw rubber blocks. Several auxiliary mixing agent storage tanks 4 are installed on the top of the mounting base 1. Each auxiliary mixing agent storage tank 4 is bolted with a feeding pump. The input end of the feeding pump passes through the interior of the corresponding auxiliary mixing agent storage tank 4. The output end of each feeding pump is connected to a feeding pipe 5. The other end of the feeding pipe 5 passes through the top of the mixing tank 602 for conveying the auxiliary mixing agent to the mixing tank 602 to mix with the added raw rubber blocks.
[0027] like Figure 1 , Figure 3 , Figure 4As shown, the rubber mixing mechanism 2 includes two symmetrically distributed mounting plates 204 mounted on the top of the mounting base 1. A rubber mixing tank 201 is fixedly mounted between the two mounting plates 204 by welding or bolting. The top of the rubber mixing tank 201 is connected to a discharge valve 7 installed at the bottom of the mixing tank 602. A transmission box 203 is bolted to the side wall of either mounting plate 204. Two meshing transmission gears 206 are rotatably connected to the inner side wall of the transmission box 203 via bearings. A first servo motor 202 is bolted to the front side wall of the transmission box 203. The output end of the first servo motor 202 is fixedly connected to the side wall of one of the transmission shafts 207 via a coupling. This transmission shaft 207 passes through the side wall of the transmission box 203 and is fixedly connected to the side wall of the corresponding transmission gear 206. One end of the other transmission shaft 207 is connected to a bearing... The first servo motor 202 is rotatably connected to the inner wall of the transmission box 203, and the other end passes through the side wall of the transmission box 203 and is fixedly connected to the side wall of another transmission gear 206. The inner wall of the rubber mixing tank 201 is equipped with two mutually cooperating mixing rollers 205 through bearings. The inner wall of the mixing roller 205 is rotatably fitted with a stationary cavity. The stationary cavity is equipped with a heating resistance wire. The two side walls of the mixing roller 205 are fixedly installed with transmission discs that are rotatably connected to the stationary cavity. The two transmission shafts 207 are fixedly connected to the side walls of the corresponding mixing rollers 205. The heating resistance wires installed stationary inside heat the outer wall of the mixing roller 205, thereby melting and extruding the rubber material. This allows the first servo motor 202 to drive the mixing roller 205 to rotate through the transmission gear 206 and the transmission shaft 207, thereby realizing the rubber mixing operation.
[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6As shown, the automatic lubrication assembly 3 is installed on the top of the transmission box 203 and cooperates with the transmission gear 206 to achieve automatic lubrication. The automatic lubrication assembly 3 includes a lubricating oil tank 301 fixedly installed on one side of the top of the transmission box 203. An oil suction pipe 304 is connected through the side wall of the lubricating oil tank 301 by welding or threaded connection. The other end of the oil suction pipe 304 is connected to the input end of the screw pump 312. A transmission rod 303 is rotatably connected to one side of the inner side wall of the screw pump 312 by a bearing. One end of the transmission rod 303 is connected to a transmission turntable 305 by a coupling, and the other end is fixedly connected to a second servo motor 302 installed on the top of the transmission box 203 by a coupling. The eccentric position of the side wall of the transmission turntable 305 is connected by a screw... The screw pump 312 is equipped with a rotor 306 and a stator 307 that is interference-fitted with the rotor 306 is fixed to the inner wall of the screw pump 312 by welding or bolting. At the bottom of the stator 307, an oil guide pipe 308 that passes through the top of the transmission box 203 is connected by welding or threaded connection. The spiral cavity of the screw pump 312 can continuously and smoothly push lubricating oil, avoiding the impact of viscosity fluctuation on the delivery volume. The screw pump 312 delivers the medium through the squeezing action of the rotor 306 and the stator 307. Even when the viscosity of the lubricating oil changes with temperature, it can still maintain a stable delivery efficiency. The interference fit sealing structure is better than the tooth backlash of the gear pump or the piston ring seal of the plunger pump, which can avoid dosage deviation caused by leakage of lubricating oil during delivery.
[0029] A third servo motor 309 is bolted to the side wall of the oil guide pipe 308 and located inside the transmission box 203. The output end of the third servo motor 309 is connected to an output shaft 311 rotatably connected to the inner wall of the oil guide pipe 308 via a coupling. A valve disc 310 rotatably connected to the inside of the oil guide pipe 308 is fixed to the side wall of the output shaft 311 by welding or keying. The rotation of the valve disc 310 is controlled by the third servo motor 309 to control the delivery of lubricating oil. In addition, this solution can add a pressure sensor and a flow monitoring device to the automatic lubrication assembly 3. The pressure sensor is installed at key positions of the oil guide pipe 308 and the screw pump 312 to monitor the lubricating oil pressure in real time. The flow monitoring device accurately measures the actual delivery amount of lubricating oil and feeds this data back to the central control system. The operating parameters of the second servo motor 302 and the third servo motor 309 are dynamically adjusted by the algorithm to ensure that the amount and timing of lubricating oil application are accurately matched to the actual needs of the transmission components.
[0030] It should be noted that in use, the following steps are taken: First, raw rubber blocks are added to the mixing tank 602 through the raw rubber block addition port 603. Simultaneously, the auxiliary mixing agent is fed into the mixing tank 602 via the feed pump at the top of the auxiliary mixing agent storage tank 4 through the feed pipe 5. The stirring motor 601 is then started to initially mix the materials. The initially mixed materials enter the rubber mixing tank 201. The first servo motor 202 is then started to drive the mixing roller 205 to rotate. The heating resistance wires stationary inside the roller heat the outer wall of the mixing roller 205, thereby melting and compressing the rubber compound, thus performing rubber mixing. During the rubber mixing process, the first servo motor 202 is started... The second servo motor 302, through the cooperation of the transmission rod 303, the transmission turntable 305 and the rotor 306, causes the screw pump 312 to draw lubricating oil from the lubricating oil tank 301 and deliver it to the inside of the oil guide tank 308. The third servo motor 309 is started to control the opening and closing of the valve disc 310, which delivers the lubricating oil through the oil guide pipe 308 to the transmission gear 206 for lubrication, ensuring the normal operation of the transmission gear 206. After lubrication, the valve disc 310 closes under the control of the third servo motor 309 to ensure the sealing of the inside of the screw pump 312. After the rubber is mixed, the material is discharged through the opening and closing of the electrically controlled valve disc inside the discharge valve installed at the bottom of the rubber mixing tank 201.
[0031] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.
Claims
1. A rubber mixing and compounding device for processing handcart tires, comprising a mounting base (1), characterized in that: A rubber mixing mechanism (2) is installed on one side of the top of the mounting base (1). The rubber mixing mechanism (2) includes two mounting plates (204) symmetrically distributed on the top of the mounting base (1). A rubber mixing tank (201) is fixedly installed between the mounting plates (204). A transmission box (203) is installed on the side wall of any of the mounting plates (204). Two meshing transmission gears (206) are rotatably connected to the inner side wall of the transmission box (203). An automatic lubrication assembly (3) is provided on the top of the transmission box (203). The automatic lubrication assembly (3) cooperates with the transmission gears (206). The automatic lubrication assembly (3) includes a lubricating oil tank (301) fixedly installed on one side of the top of the transmission box (203). An oil suction pipe (304) is connected through the side wall of the lubricating oil tank (301). The other end of the oil suction pipe (304) is connected to a screw pump (312).
2. The rubber mixing and compounding apparatus for processing handcart tires according to claim 1, characterized in that: A transmission rod (303) is rotatably connected to one side of the inner wall of the screw pump (312). One end of the transmission rod (303) is connected to a transmission turntable (305). The other end of the transmission rod (303) is fixedly connected to a second servo motor (302) installed on the top of the transmission box (203). A rotor (306) is installed at an eccentric position on the side wall of the transmission turntable (305). A stator (307) with an interference fit to the rotor (306) is fixedly installed on the inner wall of the screw pump (312). An oil guide pipe (308) that penetrates the top of the transmission box (203) is connected to a position at the bottom of the stator (307).
3. The rubber mixing and compounding apparatus for processing handcart tires according to claim 2, characterized in that: A third servo motor (309) is fixedly installed on the side wall of the oil guide pipe (308) and inside the transmission box (203). The output end of the third servo motor (309) is connected to an output shaft (311) that is rotatably connected to the inner wall of the oil guide pipe (308). A valve disc (310) that is rotatably connected to the inside of the oil guide pipe (308) is fixedly installed on the side wall of the output shaft (311).
4. The rubber mixing and compounding apparatus for processing handcart tires according to claim 3, characterized in that: The inner wall of the rubber mixing tank (201) is equipped with two cooperating mixing rollers (205), and the side wall of the transmission gear (206) is connected to a transmission shaft (207) that is fixedly connected to the side wall of the corresponding mixing roller (205).
5. The rubber mixing and compounding apparatus for processing handcart tires according to claim 4, characterized in that: A first servo motor (202) is fixedly installed on the front side wall of the transmission box (203). The output end of the first servo motor (202) is fixedly connected to the side wall of any transmission shaft (207). One end of another transmission shaft (207) is rotatably connected to the inner side wall of the transmission box (203).
6. The rubber mixing and compounding apparatus for processing handcart tires according to claim 1, characterized in that: A mixing component (6) is provided above the rubber mixing mechanism (2). The mixing component (6) includes four brackets (604) fixedly installed at the four corners of the top of the mounting base (1). A mixing tank (602) is installed on the top of the brackets (604). A stirring motor (601) is installed on the top of the mixing tank (602). A raw rubber block adding port (603) is opened on one side of the top of the mixing tank (602). A feeding valve (7) is installed at the bottom of the mixing tank (602). The bottom of the feeding valve (7) is connected to the top of the rubber mixing tank (201).
7. The rubber mixing and compounding apparatus for processing handcart tires according to claim 6, characterized in that: The top of the mounting base (1) is also equipped with several auxiliary mixing agent storage tanks (4). Each of the auxiliary mixing agent storage tanks (4) is equipped with a feeding pump. The input end of the feeding pump passes through the interior of the corresponding auxiliary mixing agent storage tank (4). The output end of the feeding pump is connected to a feeding pipe (5). The other end of the feeding pipe (5) passes through the top of the mixing tank (602).