CN-121974058-A - Rubber oil metering and feeding device

Abstract

The invention relates to the technical field of feeding devices, in particular to a rubber oil metering and feeding device which comprises a stable support frame, a rubber oil bin, a heating assembly, a weighing assembly and a control table, wherein the rubber oil bin is supported on the weighing assembly, the weighing assembly monitors weight change in real time, a feed inlet of the stable support frame is provided with an inverted cone funnel, a filter plate is detachably arranged at the bottom of the feed inlet, a stainless steel filter screen is horizontally assembled in the rubber oil bin, the height of the filter screen is adjustable and positioned through the cooperation of a U-shaped support and a guide sleeve, and the weight of the stable support frame is borne to avoid influencing metering. The heating component realizes constant-temperature heating of rubber oil through heat conduction oil circulation, the rubber oil is quantitatively extracted and fed through the variable-frequency gear pump, each component is electrically connected with the control console to realize automatic control, and the filter plate adopts a double-layer sliding grid and spring plate linkage structure and can block impurities during disassembling and washing. The device has the advantages of accurate metering, thorough filtration and convenient maintenance, and can improve the production quality and efficiency of the modified asphalt.

Inventors

• ZHAN YUTING
• SHI PENGYU
• WANG YESI
• LI JIANZHONG
• YANG CHAO
• CAO YANHUA
• LIN BIN
• ZHAO HE
• LIN WENHENG
• ZHU ZHANGUO
• SHAO WENJIE

Assignees

• 浙江交工国际工程有限公司
• 浙江交工集团股份有限公司

Dates

Publication Date

20260505

Application Date

20260206

Claims (7)

1. 1. The utility model provides a rubber oil measurement loading attachment, includes rubber oil storehouse (6), heating element, weighing module, steady rest frame (1) and controls the platform, a serial communication port, the weighing module sets up on steady rest frame (1), and rubber oil storehouse (6) support and set up on weighing module to weigh the weight variation of rubber oil storehouse (6) by weighing module, the fixed reverse taper funnel (7) that is provided with in feed inlet department of steady rest frame (1) to demountable installation has filter (8) in the bottom of reverse taper funnel (7), horizontal match is equipped with stainless steel filter screen (18) in rubber oil storehouse (6), stainless steel filter screen (18) set up in heating element's below to vertical slip suit is in rubber oil storehouse (6), and this stainless steel filter screen (18) are fixed on steady rest frame (1) through the support, support its weight by steady rest frame (1), the bottom surface of rubber oil storehouse (6) is the water conservancy diversion face of slope to be provided with rubber oil discharge gate (15) at its lateral wall, gear pump (15) are connected with the frequency conversion oil pump (16) through frequency conversion pipeline and the equal frequency conversion, take out and take out the material platform (16) and take out, take out the electricity and take off the material.
2. 2. The rubber oil metering and feeding device according to claim 1, wherein the weighing assembly comprises an adjusting component and a weighing sensor (5), the adjusting component is mounted on the stable supporting frame (1) and used for adjusting the levelness of the weighing sensor (5), and the weighing sensor (5) is arranged above the adjusting component.
3. 3. The rubber oil metering and feeding device according to claim 2, wherein the adjusting component comprises screw hole seats (2) fixed at four corners of the stable supporting frame (1), threaded holes corresponding to the screw hole seats (2) at the beginning are penetrated through the frame rods of the stable supporting frame (1), a height adjusting bolt (3) is sleeved in the screw hole seats (2) in a vertical threaded mode, the height adjusting bolt (3) is fixed on the stable supporting frame (1) through a nut (4), and the upper ends of the height adjusting bolt are hinged to the bottom of the weighing sensor (5).
4. 4. The rubber oil metering and feeding device according to claim 1, wherein a socket is formed in the side wall of the inverted cone-shaped funnel (7), a slot (23) is formed in the position corresponding to the socket, and the filter plate (8) is slidably inserted into the inverted cone-shaped funnel (7) through the slot (23).
5. 5. The rubber oil metering and feeding device according to claim 4, wherein the filter plate (8) is composed of an upper filter plate (801) and a lower filter plate (802) which are arranged up and down and horizontally and mutually sleeved in a sliding mode, a filtering gap is formed on the filter plate (8) through grid bars which are uniformly and densely arranged, the width of the filtering gap is smaller than that of the grid bars, a lower pull handle (804) and an upper pull handle (803) are arranged on the same side of the upper filter plate (801) and the lower filter plate (802), the distal end of the upper pull handle (803) is connected with the proximal end of the lower pull handle (804) through an elastic sheet (805), when the elastic sheet (805) is in an extending state, the grid bars of the upper filter plate (801) and the lower filter plate (802) are opposite to form a communicated filtering channel, when the elastic sheet (805) is in a compressed state, the grid bars of the upper filter plate (801) and the lower filter plate (802) are misplaced, and oil on the filter plate is prevented from falling through the gap when the filter plate is taken out through misplaced grid bars (8).
6. 6. The rubber oil metering and feeding device according to claim 1, wherein the heating assembly comprises a heat conducting oil pipe (11) and a heating pump (14), the heat conducting oil pipe (11) is paved in the rubber oil bin (6), two ends of the heat conducting oil pipe are connected with a heat conducting oil outlet (13) and a heat conducting oil inlet (12) on the bin wall of the rubber oil bin (6), and the heating pump (14) is communicated with the heat conducting oil outlet (13) and the heat conducting oil inlet (12) through pipelines to form a heat conducting oil circulation flow path.
7. 7. The rubber oil metering and feeding device according to claim 1, wherein two groups of U-shaped brackets (19) are symmetrically fixed on the stainless steel filter screen (18), the U-shaped brackets (19) movably penetrate through the upper surface of the rubber oil bin (6), the lower ends of the U-shaped brackets are longitudinally sleeved in guide sleeves (20) fixed on the stable support frame (1) in a sliding mode, two groups of positioning holes (22) are formed in the lower ends of the outer sides of the U-shaped brackets (19), the distance between the two groups of positioning holes (22) corresponds to the vertical movement distance of the stainless steel filter screen (18), and positioning of the stainless steel filter screen (18) is achieved by inserting positioning bolts (21) on the guide sleeves (20) into the corresponding positioning holes (22).

Description

Rubber oil metering and feeding device Technical Field The invention relates to the technical field of feeding devices, in particular to a rubber oil metering and feeding device. Background In the field of modified asphalt production, rubber oil is used as a key stabilizer, and the accurate control of the addition amount of the rubber oil directly influences the performance index of the modified asphalt. The rubber oil is required to be mixed with components such as matrix asphalt and a modifier according to a specific proportion, if excessive addition can lead to reduction of asphalt softening point and reduction of high-temperature stability, if insufficient addition can influence compatibility and viscosity adjusting effect of an asphalt system, further the service life of the modified asphalt pavement is shortened, and the service requirements of heavy traffic and complex road conditions can not be met. At present, the method of a floating ball type liquid level meter of a rubber oil storage tank, a liquid measuring ruler of a tank body or a flowmeter is commonly adopted in the industry for rubber oil metering and feeding, but the method has obvious defects that the floating ball type liquid level meter and the liquid measuring ruler are greatly influenced by viscosity and temperature change of rubber oil, metering deviation is easily generated due to wall hanging and fluctuation of liquid level of the rubber oil, and the flowmeter is easily influenced by blockage of impurities in a pipeline and unstable oil flow rate, so that the metering precision is low and the stability is poor. Meanwhile, the rubber oil often contains massive impurities, solid particles, oil sludge and other pollutants, the traditional feeding device lacks an effective filtering structure, the impurities are easy to block pipelines and abrade equipment parts, the feeding continuity is affected, and the metering precision is further reduced. These problems lead to the measurement deviation of the traditional rubber oil feeding device to be more than +/-1.5%, and the requirement of modified asphalt production on the rubber oil addition precision is difficult to meet, so that the qualification rate of modified asphalt products is affected, and the construction cost and the waste production amount are increased. Disclosure of Invention Aiming at the defects and problems of low metering precision, incomplete impurity filtration and complicated maintenance of the traditional rubber oil feeding device, the invention provides the rubber oil metering feeding device which is capable of efficiently intercepting impurities, simplifying maintenance flow and improving production quality and efficiency of modified asphalt through accurate weighing, double filtration and convenient and clean design. The technical problem is solved by adopting the scheme that the rubber oil metering and feeding device comprises a rubber oil bin, a heating assembly, a weighing assembly, a stable supporting frame and a control table, wherein the weighing assembly is arranged on the stable supporting frame, the rubber oil bin is supported on the weighing assembly, the weighing assembly is used for weighing weight change of the rubber oil bin, an inverted cone funnel is fixedly arranged at a feeding port of the stable supporting frame, a filter plate is detachably arranged at the bottom of the inverted cone funnel, a stainless steel filter screen is horizontally matched and assembled in the rubber oil bin, the stainless steel filter screen is arranged below the heating assembly and longitudinally sleeved in the rubber oil bin in a sliding manner, the stainless steel filter screen is supported and fixed on the stable supporting frame through a bracket, the weight of the stainless steel filter screen is supported by the stable supporting frame, the bottom surface of the rubber oil bin is an inclined guide surface, and a rubber oil discharging port is arranged on the side wall of the rubber oil discharging port and is connected with a variable-frequency gear pump through a pipeline, and is used for extracting and feeding rubber oil. Further, the weighing assembly comprises an adjusting part and a weighing sensor, wherein the adjusting part is arranged on the stable supporting frame and used for adjusting the levelness of the weighing sensor, and the weighing sensor is arranged above the adjusting part. Further, the adjusting part comprises screw hole seats fixed at four corners of the stable supporting frame, screw holes corresponding to the screw hole seats are formed in the frame rod of the stable supporting frame in a penetrating mode, height adjusting bolts are sleeved in the screw hole seats in a vertical threaded mode, the height adjusting bolts are fixed on the stable supporting frame through nuts, and the upper ends of the height adjusting bolts are hinged to the bottom of the weighing sensor. Furthermore, the side wall of the inverted cone funnel is provided with