A weighing device for thermoplastic vulcanizate preparation and a method of using the same

Abstract

The application discloses a weighing device for preparing thermoplastic vulcanized rubber and a use method thereof, and belongs to the field of thermoplastic vulcanized rubber preparation. The weighing device comprises a fixed base, a support plate is symmetrically arranged on the fixed base, a balance plate is fixedly connected with a fixed shaft, the fixed shaft is rotatably arranged between the two support plates, a feeding barrel and a weighing barrel are rotatably arranged on the balance plate, and the feeding barrel and the weighing barrel are symmetrically arranged; a weighing base is fixedly connected with an electronic scale; and a water storage barrel is fixedly connected to the electronic scale. When the modified agent to be added is accurately weighed, the residual modified agent on the measuring container during continuous production is prevented from causing inaccurate addition, so that the accuracy of the modified agent addition is effectively improved, and the efficiency of the preparation of the vulcanized rubber is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of thermoplastic vulcanized rubber preparation, and in particular to a thermoplastic vulcanized rubber preparation weighing device and a use method thereof. BACKGROUND

[0002] Thermoplastic vulcanized rubber is generally used for waterproofing membranes, and the underground engineering of national defense strategy and the civil underground engineering such as subway speed tunnels need to use waterproofing membranes. The design service life of this type of building is at least 100 years, and the service life of high polymer waterproofing membranes such as EPDM under normal conditions is 35 years. Therefore, thermoplastic vulcanized rubber becomes an important research object.

[0003] At present, when thermoplastic vulcanized rubber is manufactured, a certain amount of ethylene-propylene-diene rubber and olefin thermoplastic elastomer are weighed and put into a high-speed mixing device for mixing. The modified agent is pre-mixed in a certain proportion and then added to the weighing device. The modified agent uses nano oxide particles, multi-walled carbon nanotubes and n-octyl propionate. Then the modified agent in the weighing device is quantitatively put into the high-speed mixing device containing ethylene-propylene-diene rubber and olefin thermoplastic elastomer for high-speed mixing. The mixture in the high-speed mixing device is then melt-extruded through a double-screw extruder. The liquid modified agent needs to be quantitatively added during modification and addition.

[0004] In the prior art, the modified agent is generally weighed by a glass container. When the modified agent is poured out, there may be a small amount of residue left on the container, which may affect the proportioning of the modified agent. When the equipment is batch processed, the modified agent needs to be weighed frequently, which may affect the preparation efficiency of the vulcanized rubber. SUMMARY

[0005] The technical problem to be solved by the present application is to overcome the shortcomings of the prior art and provide a thermoplastic vulcanized rubber preparation weighing device that can overcome the above problems or at least partially solve the above problems.

[0006] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0007] The application discloses a weighing device for preparing thermoplastic vulcanized rubber, which comprises a fixed base, a balance plate, a fixed shaft, a feeding barrel, a weighing barrel, an electronic scale, a water storage barrel, a material conveying platform, a control assembly and a first groove.

[0008] In order to facilitate the weighing of the modifier, the application further comprises a water pumping platform, a first water pump, a second water pump, a first connecting pipe, a first water pipe, a second connecting pipe and a second water pipe.

[0009] In order to facilitate the control of the material pumping assembly, the control assembly comprises a bending rod, a fixed disc, an annular groove, a fixed rod, a first connecting head, a first connecting piece and the first connecting piece and the first connecting head.

[0010] In order to improve the weighing precision, the balance plate is symmetrically provided with balance grooves, the balance grooves are symmetrically provided with rotating shafts, the weighing barrel is arranged in one of the balance grooves, the rotating shafts are arranged between the balance grooves and the weighing barrel, the feeding barrel is arranged in the balance groove, the rotating shafts are arranged between the feeding barrel and the balance groove, and the fixed base is symmetrically provided with the first grooves.

[0011] In order to facilitate the extraction of the modifier in the feeding barrel, preferably, the extraction assembly comprises an extraction sleeve fixedly arranged on the feeding platform, a sliding rod is slidingly arranged in the extraction sleeve, one end of the sliding rod is fixedly connected with a first piston ring, the first piston ring is sealingly sliding in the extraction sleeve, the sliding rod is fixedly connected with a connecting plate, the feeding platform is fixedly connected with a second electric telescopic rod, the output end of the second electric telescopic rod is fixedly connected with the connecting plate, the extraction sleeve is provided with an extraction pipe in communication with the bottom of the feeding barrel, and the sliding rod is provided with a communication pipe.

[0012] In order to facilitate the addition of the modifier to the feeding barrel, preferably, it further comprises a storage platform, the storage platform is fixedly connected with a storage tank, the bottom of the storage tank is fixedly connected with a feeding pipe, one end of the feeding pipe away from the storage tank is arranged in the feeding barrel, the feeding pipe is provided with a first electromagnetic valve, the supporting plate is provided with a second connecting piece, the fixed shaft is provided with a second connecting head, and the second connecting head and the second connecting piece are used to control the first electromagnetic valve.

[0013] In order to facilitate the outflow of the modifier from the feeding pipe, preferably, the bottom of the storage tank is fixedly connected with a stirring motor, a stirring shaft is rotatably arranged in the storage tank, the output end of the stirring motor is fixedly connected with the stirring shaft, and the storage tank is provided with a material guiding slope matched with the feeding pipe.

[0014] In order to facilitate the automatic addition of water to the weighing barrel, preferably, the storage tank is fixedly connected with a first limiting block and a second limiting block, the first limiting block and the second limiting block are slidingly provided with a lifting rod, one end of the lifting rod in the storage tank is fixedly connected with a floating plate, the storage tank is fixedly connected with a power supply head, the storage tank is provided with a first power supply piece and a second power supply piece matched with the power supply head, and the first power supply piece and the second power supply piece are fixedly arranged on the lifting rod, and the first power supply piece, the second power supply piece and the power supply head are used to control the first water pump to convey water in the storage tank to the weighing barrel.

[0015] In order to facilitate the quantitative weighing of the modifier, preferably, the second limiting block is fixedly connected at the top of the storage tank, the second limiting block is fixedly connected with a first electric telescopic rod, the output end of the first electric telescopic rod is fixedly connected with a third connecting head, one side of the lifting rod outside the storage tank is fixedly connected with a third connecting piece matched with the third connecting head, the third connecting head and the third connecting piece are used to control the second water pump to pump water in the weighing barrel into the storage tank, and one side of the second limiting block close to the third connecting head is provided with a displacement sensor.

[0016] A use method of the weighing device for preparing thermoplastic vulcanized rubber mainly comprises the following steps:

[0017] Step one, add a sufficient amount of modifier to the feeding barrel;

[0018] Step two, take the appropriate amount of water from the water storage bucket to the weighing bucket, so that the balance plate is balanced;

[0019] Step three, the current water weight in the water storage bucket is obtained by the value displayed by the electronic scale, and the difference between the initial state water weight in the water storage bucket is the weight of the modifier in the feeding barrel;

[0020] Step four, pour the water in the weighing bucket into the water storage bucket, and obtain the weight of the water in the water storage bucket by the electronic scale, so that the weight of the water in the water storage bucket reaches the preset value, at this time, the weight of the feeding barrel is greater than the weight of the weighing bucket, so that the balance plate is inclined;

[0021] Step five, control the material extraction assembly to extract the modifier solution in the feeding barrel into the high-speed mixing device by the control assembly, at this time, the difference between the weight change of the water in the water storage bucket is the weight of the modifier added.

[0022] Compared with the prior art, the present application provides a modifier adding weighing device, which has the following beneficial effects:

[0023] 1、The weighing device for preparing thermoplastic vulcanized rubber, by adding a sufficient amount of modifier to the feeding barrel, opening the first water pump, the first water pump extracts water in the water storage bucket to the weighing bucket through the first water pipe, the first connecting pipe and the fixed pipe, and the weight change of the water in the water storage bucket on the electronic scale is obtained, so that the modifier is effectively weighed.

[0024] 2、The weighing device for preparing thermoplastic vulcanized rubber, by extracting the water in the weighing bucket to the water storage bucket through the second water pump, when the value of the electronic scale increases by ten kilograms, the second water pump is closed, under the action of gravity, the balance plate is inclined, the fixed shaft rotates towards the feeding barrel, the first connecting head contacts the first connecting piece, the material extraction assembly extracts the modifier in the feeding barrel and adds it to the high-speed mixing device, when the balance plate is balanced, the first connecting head is disconnected from the first connecting piece, the material extraction assembly is closed, and the modifier to be added is accurately weighed, preventing the residual modifier in the measuring container during continuous production from causing inaccurate addition, thereby effectively improving the accuracy of the modifier addition and accurately weighing the added modifier.

[0025] 3、The thermoplastic vulcanized rubber preparation weighing device, when the first connecting head contacts with the first connecting piece, the control plate controls the reciprocating movement of the second electric telescopic rod, the second electric telescopic rod drives the reciprocating movement of the sliding rod, the material extraction pipe extracts the modifier in the feeding barrel into the material extraction sleeve, the modifier in the material extraction sleeve enters the mixing sleeve through the communication pipe, the mixing sleeve extracts the mixture of the mixture of the ethylene propylene rubber and the olefin thermoplastic elastomer in the high-speed mixing device into the mixing sleeve, and the modifier is mixed with the mixture of the mixture of the ethylene propylene rubber and the olefin thermoplastic elastomer, and then is discharged into the high-speed mixing device through the material conveying pipe, so that the efficiency of the modifier addition is effectively improved, and the efficiency of the vulcanized rubber preparation is further improved.

[0026] The parts not involved in the device are the same as or can be realized by the prior art, and when the required modifier is accurately weighed, the device prevents the inaccuracy of the modifier addition caused by the residual modifier on the measuring container during continuous production, thereby effectively improving the accuracy of the modifier addition, and further effectively improving the efficiency of the vulcanized rubber preparation. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 A structure diagram of a thermoplastic vulcanized rubber preparation weighing device Figure 1 ;

[0028] Figure 2 A structure diagram of a thermoplastic vulcanized rubber preparation weighing device Figure 2 ;

[0029] Figure 3 A structure diagram of a thermoplastic vulcanized rubber preparation weighing device Figure 3 ;

[0030] Figure 4 An explosion diagram of a water storage barrel of a thermoplastic vulcanized rubber preparation weighing device;

[0031] Figure 5 An enlarged diagram of position A in a thermoplastic vulcanized rubber preparation weighing device Figure 4 ;

[0032] Figure 6 A structure diagram of a control assembly of a thermoplastic vulcanized rubber preparation weighing device;

[0033] Figure 7 An enlarged diagram of position B in a thermoplastic vulcanized rubber preparation weighing device Figure 6 ;

[0034] Figure 8A structure schematic view of an extraction assembly of a weighing device for preparing thermoplastic vulcanized rubber is provided in the present application;

[0035] Figure 9 A structure schematic view of a water storage bucket of a weighing device for preparing thermoplastic vulcanized rubber is provided in the present application;

[0036] Figure 10 A structure schematic view of a material storage platform of a weighing device for preparing thermoplastic vulcanized rubber is provided in the present application;

[0037] Figure 11 A cross-sectional schematic view of a first water pump of a weighing device for preparing thermoplastic vulcanized rubber is provided in the present application;

[0038] Figure 12 A cross-sectional schematic view of a second water pump of a weighing device for preparing thermoplastic vulcanized rubber is provided in the present application.

[0039] In the figure: 1, fixed base; 101, support plate; 102, first groove; 103, balance plate; 104, fixed shaft; 105, balance groove; 106, rotating shaft; 107, feeding bucket; 108, weighing bucket; 2, bending rod; 201, fixed disc; 202, annular groove; 203, fixed rod; 204, first connecting head; 205, first connecting sheet; 206, second connecting head; 207, second connecting sheet; 3, weighing base; 301, electronic scale; 302, water storage bucket; 303, first limiting block; 304, lifting rod; 305, third connecting sheet; 306, first electrified sheet; 307, second electrified sheet; 308, floating plate; 309, second limiting block; 310, first electric telescopic rod; 311, third connecting head; 312, displacement sensor; 313, electrified head; 4, water pumping platform; 401, first water pump; 402, first connecting pipe; 403, first water pipe; 404, second water pump; 405, second connecting pipe; 406, second water pipe; 407, fixed pipe; 5, material storage platform; 501, material storage tank; 502, stirring motor; 503, stirring shaft; 504, feeding pipe; 505, first electromagnetic valve; 506, material guiding slope; 6, material conveying platform; 601, extraction sleeve; 602, extraction pipe; 603, sliding rod; 604, communication pipe; 605, first piston ring; 606, second piston ring; 607, material conveying pipe; 608, extraction pipe; 609, second electric telescopic rod; 610, connecting plate; 611, mixing sleeve. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0041] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0042] Embodiment 1: Reference Figure 1 Figure 2 Figure 3 Figure 6 Figure 7 Figure 11 Figure 12 When the modifier in Embodiment 1 is quantitatively weighed, on the basis of Embodiment 1, the following embodiment is realized, a weighing device for preparing thermoplastic vulcanized rubber, comprising: a fixed base 1, the fixed base 1 is symmetrically provided with support plates 101; a balance plate 103, the balance plate 103 is fixedly connected with a fixed shaft 104, the fixed shaft 104 is rotatably arranged between the two support plates 101, the balance plate 103 is rotatably provided with a feeding barrel 107 and a weighing barrel 108, and the feeding barrel 107 and the weighing barrel 108 are symmetrically arranged; a weighing base 3, the weighing base 3 is fixedly connected with an electronic scale 301; a water storage barrel 302, the water storage barrel 302 is fixedly connected to the electronic scale 301; a material conveying platform 6, the material conveying platform 6 is fixedly provided with a material extracting assembly, the material extracting assembly is used for extracting the modifier in the feeding barrel 107; a control assembly, the control assembly is arranged on the support plate 101, the control assembly is used for controlling the material extracting assembly to extract the modifier in the feeding barrel 107, and when the weight value of the electronic scale 301 rises to the preset weight of the modifier to be fed, the end of the balance plate 103 close to the weighing barrel 108 rises, at this time, the control assembly controls the material extracting assembly to extract the modifier in the feeding barrel 107, so that the balance plate 103 is balanced.

[0043] Further comprising: a water extracting platform 4, the water extracting platform 4 is provided with a first water pump 401 and a second water pump 404, the first water pump 401 is provided with a first connecting pipe 402 and a first water pipe 403, the second water pump 404 is provided with a second connecting pipe 405 and a second water pipe 406, one end of the first water pipe 403 away from the first water pump 401 is arranged at the bottom of the water storage barrel 302, one end of the second water pipe 406 away from the second water pump 404 is arranged at the bottom of the water storage barrel 302, the bottom of the weighing barrel 108 is provided with a fixed pipe 407, one end of the fixed pipe 407 away from the weighing barrel 108 is connected with one end of the first connecting pipe 402 away from the first water pump 401, and one end of the second connecting pipe 405 away from the second water pump 404 is communicated with one end of the fixed pipe 407 away from the weighing barrel 108. ​​​​​​

[0044] The control assembly comprises a bending rod 2 fixedly arranged on one of the support plates 101, a fixing disc 201 is arranged on the bending rod 2, an annular groove 202 is formed in the fixing disc 201, one end of the fixing shaft 104 is fixedly connected with a fixing rod 203, the fixing rod 203 is fixedly connected with a first connecting head 204, a first connecting plate 205 is fixedly connected in the annular groove 202, the first connecting plate 205 is adjacent to the first connecting head 204, the first connecting plate 205 is arranged on one side of the annular groove 202 close to the feeding barrel 107, and the first connecting plate 205 and the first connecting head 204 are used for controlling the material drawing assembly to draw the modifier in the feeding barrel 107.

[0045] The balance plate 103 is symmetrically provided with a balance groove 105, the balance groove 105 is symmetrically provided with a rotating shaft 106, the weighing barrel 108 is arranged in one of the balance grooves 105, the rotating shaft 106 is arranged between the balance groove 105 and the weighing barrel 108, the feeding barrel 107 is arranged in the balance groove 105, the rotating shaft 106 is arranged between the feeding barrel 107 and the balance groove 105, and the fixing base 1 is symmetrically provided with a first groove 102.

[0046] In the preparation of thermoplastic vulcanized rubber, a certain amount of ethylene-propylene-diene rubber and olefin thermoplastic elastomer are put into a high-speed mixing device for mixing, and then the premixed modifier is quantitatively added into the high-speed mixing device. When the premixed modifier is quantitatively added, the quantitatively premixed modifier is added to the feeding barrel 107, and a sufficient amount of water is added to the water storage barrel 302. The weight of the water in the water storage barrel 302 is obtained by the electronic scale 301, the first water pump 401 is started, the first water pump 401 draws water in the water storage barrel 302 to the weighing barrel 108 through the first water pipe 403, the first connecting pipe 402 and the fixed pipe 407, and the weight of the modifier in the feeding barrel 107 at this time is obtained by the weight change of the water in the water storage barrel 302 in the electronic scale 301, thereby effectively weighing the modifier to be added, for example, when it is calculated that ten kilograms of modifier needs to be added to the high-speed mixing device, the second water pump 404 is started, the second water pump 404 draws water in the weighing barrel 108 to the water storage barrel 302, and the value of the electronic scale 301 is observed in real time, when the value of the electronic scale 301 increases by ten kilograms, the second water pump 404 is closed, when the second water pump 404 draws water in the weighing barrel 108, the balance plate 103 is inclined under the action of gravity, and the end of the balance plate 103 close to the feeding barrel 107 moves downward, thereby making the fixed shaft 104 rotate towards the feeding barrel 107, the fixed shaft 104 drives the fixed rod 203 to rotate, the fixed rod 203 drives the first connecting head 204 to rotate along the axis of the fixed shaft 104, at this time the first connecting head 204 contacts with the first connecting piece 205, so that the material extraction assembly is opened, the material extraction assembly extracts the modifier in the feeding barrel 107 and adds it to the high-speed mixing device, when the material extraction assembly extracts the modifier in the feeding barrel 107, the weight of the feeding barrel 107 gradually decreases, so that the balance plate 103 gradually balances, when the balance plate 103 balances, the first connecting head 204 is disconnected with the first connecting piece 205, the material extraction assembly is closed, the modifier to be added is accurately weighed, to prevent the inaccuracy of addition caused by the residue of the modifier on the measuring container during continuous production, thereby effectively improving the accuracy of the addition of the modifier, and accurately weighing the added modifier.

[0047] Example 2: Reference Figure 1 and Figure 8A weighing device for preparing thermoplastic vulcanized rubber, basically the same as example 1, further, the material extraction assembly comprises a material extraction sleeve 601 fixedly arranged on the material conveying platform 6, a sliding rod 603 is slidingly arranged in the material extraction sleeve 601, one end of the sliding rod 603 in the material extraction sleeve 601 is fixedly connected with a first piston ring 605, the first piston ring 605 is sealingly sliding in the material extraction sleeve 601, the sliding rod 603 is fixedly connected with a connecting plate 610, a second electric telescopic rod 609 is fixedly connected with the connecting plate 610, the output end of the second electric telescopic rod 609 is fixedly connected with the connecting plate 610, the material extraction sleeve 601 is provided with a material extraction pipe 602 which is in communication with the bottom of the material feeding barrel 107, and the sliding rod 603 is provided with a communication pipe 604.

[0048] The material conveying platform 6 is fixedly connected with a mixing sleeve 611, one end of the sliding rod 603 away from the material extraction sleeve 601 is slidingly arranged in the mixing sleeve 611, one end of the sliding rod 603 in the mixing sleeve 611 is fixedly connected with a second piston ring 606, and the second piston ring 606 is sealingly sliding in the mixing sleeve 611, the end of the mixing sleeve 611 away from the sliding rod 603 is provided with a material conveying pipe 607 and a extraction pipe 608, and the communication pipe 604 is in communication with the inside of the mixing sleeve 611.

[0049] When the first connecting head 204 is in contact with the first connecting plate 205, the second electric telescopic rod 609 is energized, at this time the control board controls the reciprocating motion of the second electric telescopic rod 609, the second electric telescopic rod 609 drives the connecting plate 610 to reciprocate, the connecting plate 610 drives the sliding rod 603 to reciprocate, the sliding rod 603 drives the first piston ring 605 to reciprocate, the modified solution in the material feeding barrel 107 is extracted through the material extraction pipe 602 into the material extraction sleeve 601, the modified solution in the material extraction sleeve 601 enters the mixing sleeve 611 through the communication pipe 604, when the sliding rod 603 reciprocates, the mixing sleeve 611 extracts the solution in the high-speed mixing device into the mixing sleeve 611, so that the modified agent is mixed with the mixture of the ethylene-propylene-diene rubber and the olefin thermoplastic elastomer, and then discharged into the high-speed mixing device through the material conveying pipe 607, and mixed with the mixture of the ethylene-propylene-diene rubber and the olefin thermoplastic elastomer in the high-speed mixing device, at this time the material conveying pipe 607 can be connected with multiple external spraying devices to spray multiple points in the high-speed mixing device, effectively improving the efficiency of adding the modified agent, and further improving the efficiency of preparing the vulcanized rubber.

[0050] It should be noted that the diameter of the mixing sleeve 611 is greater than the diameter of the material extraction sleeve 601, and the length of the mixing sleeve 611 is the same as the length of the material extraction sleeve 601.

[0051] Example 3: refer to Figure 2 , Figure 3 and Figure 10The weighing device for preparing thermoplastic vulcanized rubber is basically same as that in example 1, and further comprises: a storage platform 5, the storage platform 5 is fixedly connected with a storage tank 501, the bottom of the storage tank 501 is fixedly connected with a feeding pipe 504, the feeding pipe 504 is arranged in the feeding barrel 107 away from the storage tank 501, the feeding pipe 504 is provided with a first electromagnetic valve 505, the supporting plate 101 is provided with a second connecting piece 207, the fixed shaft 104 is provided with a second connecting head 206, and the second connecting head 206 and the second connecting piece 207 are used for controlling the first electromagnetic valve 505.

[0052] When it is needed to add the modifier into the feeding barrel 107, the first water pump 401 is started to add a certain weight of water into the weighing barrel 108, and the weight of water in the storage barrel 302 on the electronic scale 301 is used to control the weight of the added modifier, when the water in the weighing barrel 108 increases, the balance plate 103 inclines to the direction of the weighing barrel 108, the fixed shaft 104 rotates to the direction of the weighing barrel 108, at this time, the second connecting head 206 contacts with the second connecting piece 207, the first electromagnetic valve 505 is opened, the modifier in the storage tank 501 is added into the feeding barrel 107, and the balance plate 103 is gradually balanced, when the balance plate 103 is balanced, the second connecting head 206 is disconnected with the second connecting piece 207, the first electromagnetic valve 505 is closed, so that the weighing and adding of the modifier can be repeated, and the efficiency of the weighing and adding of the modifier is effectively improved.

[0053] It should be noted that the connecting mode of the second connecting head 206 and the second connecting piece 207 is same as that of the control assembly in example 1.

[0054] Example 4: refer to Figure 1 、 Figure 4 、 Figure 5 and Figure 9 The weighing device for preparing thermoplastic vulcanized rubber is basically same as that in example 1, and further comprises: a storage platform 5, the storage platform 5 is fixedly connected with a storage tank 501, the bottom of the storage tank 501 is fixedly connected with a feeding pipe 504, the feeding pipe 504 is arranged in the feeding barrel 107 away from the storage tank 501, the feeding pipe 504 is provided with a first electromagnetic valve 505, the supporting plate 101 is provided with a second connecting piece 207, the fixed shaft 104 is provided with a second connecting head 206, and the second connecting head 206 and the second connecting piece 207 are used for controlling the first electromagnetic valve 505.

[0055] The first limiting block 303 and the second limiting block 309 are fixedly connected to the water storage barrel 302, the lifting rod 304 is slidably arranged on the first limiting block 303 and the second limiting block 309, one end of the lifting rod 304 in the water storage barrel 302 is fixedly connected with the floating plate 308, the water storage barrel 302 is fixedly connected with the power head 313, the water storage barrel 302 is provided with the first power sheet 306 and the second power sheet 307 matched with the power head 313, and the first power sheet 306 and the second power sheet 307 are fixedly arranged on the lifting rod 304, the first power sheet 306, the second power sheet 307 and the power head 313 are used for controlling the first water pump 401 to deliver water in the water storage barrel 302 to the weighing barrel 108.

[0056] The second limiting block 309 is fixedly connected to the top of the water storage barrel 302, the first electric telescopic rod 310 is fixedly connected to the second limiting block 309, the output end of the first electric telescopic rod 310 is fixedly connected with the third connecting head 311, the third connecting sheet 305 matched with the third connecting head 311 is fixedly connected to one side of the lifting rod 304 outside the water storage barrel 302, and the third connecting head 311 and the third connecting sheet 305 are used for controlling the second water pump 404 to pump water in the weighing barrel 108 into the water storage barrel 302. The displacement sensor 312 is arranged on one side of the second limiting block 309 close to the third connecting head 311.

[0057] When the modified agent needs to be quantitatively added, the first electric telescopic rod 310 is controlled to pull the third connecting head to rise by the control panel, the floating plate 308 is driven to float upwards, the floating plate 308 pushes the lifting rod 304 to move upwards by a certain distance, the third connecting head 311 contacts with the third connecting sheet 305, at this time, the second water pump 404 is started, the second water pump 404 pumps water in the weighing barrel 108 into the water storage barrel 302, so that the water level in the water storage barrel 302 rises, the third connecting sheet 305 is driven to move upwards by the lifting rod 304, when the third connecting sheet 305 is disconnected from the third connecting head 311, the second water pump 404 is turned off, at this time, the same amount of modified agent solution is pumped into the high-speed mixing device by the material pumping assembly, so as to facilitate weighing and adding the modified agent into the high-speed mixing device, and the accuracy of weighing and adding the modified agent is effectively improved.

[0058] It should be noted that the diameter of the water storage barrel 302 is smaller than the diameter of the weighing barrel 108.

[0059] When the water level in the water storage bucket 302 gradually rises, the water in the weighing bucket 108 gradually decreases, and the modifier in the feeding bucket 107 gradually decreases, at this time, the lifting rod 304 gradually moves upward, when the energized head 313 contacts the second energized sheet 307, the first water pump 401 is started by the control panel, and the third connecting head 311 is quickly pushed downward by the first electric telescopic rod 310, the control panel controls the stirring motor 502 to start, the stirring motor 502 drives the stirring shaft 503 to stir the modifier in the storage tank 501, and the first water pump 401 draws the water in the water storage bucket 302 into the weighing bucket 108, at this time, the weight of the weighing bucket 108 increases, the balance plate 103 is tilted, and the modifier in the storage tank 501 flows into the feeding bucket 107 through the feeding pipe 504, with the decrease of the water in the water storage bucket 302, the floating plate 308 moves downward, at this time, the lifting rod 304 moves downward, when the energized head 313 contacts the first energized sheet 306, the first water pump 401 and the stirring motor 502 are turned off by the control panel, and the modifier is automatically added to the feeding bucket 107, thereby effectively improving the efficiency of the modifier weighing and adding.

[0060] It should be noted that the first connecting pipe 402, the first water pipe 403, the second connecting pipe 405, the second water pipe 406, the material extraction pipe 602, the communication pipe 604, the material conveying pipe 607 and the extraction pipe 608 are all provided with one-way valves, the controller is externally connected, and the controller is connected with the first connecting head 204, the first connecting sheet 205, the second connecting head 206, the second connecting sheet 207, the third connecting sheet 305, the third connecting head 311, the energized head 313, the first energized sheet 306 and the second energized sheet 307 through wires.

[0061] Embodiment 5: A use method of the weighing device for preparing thermoplastic vulcanized rubber, mainly including the following steps:

[0062] Step one, adding sufficient modifier into the feeding bucket 107;

[0063] Step two, taking out appropriate amount of water from the water storage bucket 302 into the weighing bucket 108 to balance the balance plate 103;

[0064] Step three, obtaining the weight of the water in the current water storage bucket 302 through the value displayed by the electronic scale 301, and the difference between the weight of the water in the initial state of the water storage bucket 302 is the weight of the modifier in the feeding bucket 107;

[0065] Step four, pouring the water in the weighing bucket 108 into the water storage bucket 302, and obtaining the weight of the water in the water storage bucket 302 through the electronic scale 301, so that the weight of the water in the water storage bucket 302 reaches a preset value, at this time, the weight of the feeding bucket 107 is greater than the weight of the weighing bucket 108, so that the balance plate 103 is tilted;

[0066] Step five, the control assembly controls the material extraction assembly to extract the modifier solution in the feeding barrel 107 into the high-speed mixing device, at this time, the weight difference of the water in the water storage barrel 302 is the weight of the modifier addition.

[0067] The above merely provides the preferred but non-restrictive embodiment of the present application, and the protection scope of the present application should not be limited thereto, and any person skilled in the art should be encompassed in the protection scope of the present application, according to the technical scheme and the inventive concept of the present application.

Claims

1. A weighing device for thermoplastic vulcanizate production, characterized by, Include: Fixed base (1), the fixed base (1) is provided with support plate (101) symmetrically; Balance plate (103), the balance plate (103) is fixedly connected with fixed shaft (104), the fixed shaft (104) is rotatably arranged between two support plates (101), the balance plate (103) is rotatably provided with feeding barrel (107) and weighing barrel (108), and the feeding barrel (107) and the weighing barrel (108) are symmetrically arranged; Weighing base (3), the weighing base (3) is fixedly connected with electronic scale (301); Water storage barrel (302), the water storage barrel (302) is fixedly connected on the electronic scale (301); Material conveying platform (6), the material conveying platform (6) is fixed with a material extraction assembly, and the material extraction assembly is used to extract the modifier in the feeding barrel (107); Control assembly, the control assembly is arranged on the support plate (101), the control assembly is used to control the material extraction assembly to extract the modifier in the feeding barrel (107), the water in the weighing barrel (108) is poured into the water storage barrel (302), so that the weight value of the electronic scale (301) rises to the preset poured modifier weight, one end of the balance plate (103) close to the weighing barrel (108) rises, at this time, the control assembly controls the material extraction assembly to extract the modifier in the feeding barrel (107), so that the balance plate (103) is balanced; Further comprising: water pumping platform (4), the water pumping platform (4) is provided with first water pump (401) and second water pump (404), the first water pump (401) is provided with first connecting pipe (402) and first water pipe (403), the second water pump (404) is provided with second connecting pipe (405) and second water pipe (406), the first water pipe (403) is provided with first water pump (401) away from one end of the first water pump (401) and is arranged at the bottom of the water storage barrel (302), the second water pipe (406) is provided with second water pump (404) away from one end of the second water pump (404) and is arranged at the bottom of the water storage barrel (302), the weighing barrel (108) is provided with fixed pipe (407), the fixed pipe (407) is provided with fixed pipe (407) away from one end of the weighing barrel (108) and is communicated with the first connecting pipe (402) away from one end of the first water pump (401), and the second connecting pipe (405) is provided with second water pump (404) away from one end of the second water pump (404) and is communicated with the fixed pipe (407) away from one end of the weighing barrel (108). The control assembly includes a bending rod (2) fixedly arranged on one of the support plates (101), the bending rod (2) is provided with a fixed disc (201), the fixed disc (201) is provided with an annular groove (202), one end of the fixed shaft (104) is fixedly connected with a fixed rod (203), the fixed rod (203) is fixedly connected with a first connecting head (204), the annular groove (202) is fixedly connected with a first connecting plate (205), the first connecting plate (205) is adjacent to the first connecting head (204), the first connecting plate (205) is arranged on one side of the annular groove (202) close to the feeding barrel (107), and the first connecting plate (205) and the first connecting head (204) are used for controlling the drawing assembly to draw the modifier in the feeding barrel (107). The drawing assembly includes a drawing sleeve (601) fixedly arranged on the feeding platform (6), the drawing sleeve (601) is slidably provided with a sliding rod (603), one end of the sliding rod (603) in the drawing sleeve (601) is fixedly connected with a first piston ring (605), the first piston ring (605) is sealed and slides in the drawing sleeve (601), the sliding rod (603) is fixedly connected with a connecting plate (610), the feeding platform (6) is fixedly connected with a second electric telescopic rod (609), the output end of the second electric telescopic rod (609) is fixedly connected with the connecting plate (610), the drawing sleeve (601) is provided with a drawing pipe (602) in communication with the bottom of the feeding barrel (107), and the sliding rod (603) is provided with a communication pipe (604).

2. The weighing device for preparing a thermoplastic vulcanizate according to claim 1, characterized in that, The balance plate (103) is provided with balance grooves (105) symmetrically, the balance grooves (105) are provided with rotating shafts (106) symmetrically, the weighing barrel (108) is arranged in one of the balance grooves (105), and the rotating shaft (106) is arranged between the balance groove (105) and the weighing barrel (108), the feeding barrel (107) is arranged in the balance groove (105), and the rotating shaft (106) is arranged between the feeding barrel (107) and the balance groove (105), and the fixed base (1) is provided with first grooves (102) symmetrically.

3. The weighing device for preparing thermoplastic vulcanizate according to claim 1, characterized in that, Further comprising: The storage platform (5) is fixedly connected with a storage tank (501), the bottom of the storage tank (501) is fixedly connected with a feeding pipe (504), one end of the feeding pipe (504) away from the storage tank (501) is arranged in the feeding barrel (107), the feeding pipe (504) is provided with a first electromagnetic valve (505), the support plate (101) is provided with a second connecting plate (207), the fixed shaft (104) is provided with a second connecting head (206), and the second connecting head (206) and the second connecting plate (207) are used for controlling the first electromagnetic valve (505).

4. The weighing device for preparing a thermoplastic vulcanizate according to claim 3, characterized in that, The bottom of the storage tank (501) is fixedly connected with a stirring motor (502), a stirring shaft (503) is rotatably arranged in the storage tank (501), and the output end of the stirring motor (502) is fixedly connected with the stirring shaft (503); and a material guiding slope (506) matched with the feeding pipe (504) is arranged in the storage tank (501).

5. The weighing device for preparing a thermoplastic vulcanizate according to claim 1, characterized in that, The first limiting block (303) and the second limiting block (309) are fixedly connected to the water storage bucket (302), the lifting rod (304) is slidably arranged on the first limiting block (303) and the second limiting block (309), one end of the lifting rod (304) in the water storage bucket (302) is fixedly connected with the floating plate (308), the water storage bucket (302) is fixedly connected with the electrifying head (313), the first electrifying sheet (306) and the second electrifying sheet (307) matched with the electrifying head (313) are arranged in the water storage bucket (302), and the first electrifying sheet (306) and the second electrifying sheet (307) are fixedly arranged on the lifting rod (304); the first electrifying sheet (306), the second electrifying sheet (307) and the electrifying head (313) are used for controlling the first water pump (401) to convey water in the water storage bucket (302) into the weighing bucket (108).

6. The weighing device for preparing a thermoplastic vulcanizate according to claim 5, characterized in that, The second limiting block (309) is fixedly connected to the top of the water storage bucket (302), the first electric telescopic rod (310) is fixedly connected to the second limiting block (309), the output end of the first electric telescopic rod (310) is fixedly connected with the third connecting head (311), the third connecting sheet (305) matched with the third connecting head (311) is fixedly connected to one side of the lifting rod (304) outside the water storage bucket (302), the third connecting head (311) and the third connecting sheet (305) are used for controlling the second water pump (404) to pump water in the weighing bucket (108) into the water storage bucket (302), and the side, close to the third connecting head (311), of the second limiting block (309) is provided with the displacement sensor (312).

7. A method of using a weighing device for thermoplastic vulcanizate production, comprising the weighing device for thermoplastic vulcanizate production according to claim 1, characterized in that, The method mainly comprises the following steps: Step one, adding a sufficient amount of modifier into the feeding bucket (107); Step two, taking an appropriate amount of water from the water storage bucket (302) into the weighing bucket (108) to balance the balance plate (103); Step three, obtaining the weight of water in the current water storage bucket (302) according to the value displayed by the electronic scale (301), and the difference between the weight of water in the initial state water storage bucket (302) is the weight of the modifier in the feeding bucket (107); Step four, pouring the water in the weighing bucket (108) into the water storage bucket (302), and obtaining the weight of water in the water storage bucket (302) by the electronic scale (301), so that the weight of water in the water storage bucket (302) reaches a preset value, at this time, the weight of the feeding bucket (107) is greater than the weight of the weighing bucket (108), so that the balance plate (103) is inclined; Step five, controlling the material pumping assembly to pump the modifier solution in the feeding bucket (107) into the high-speed mixing device by the control assembly, at this time, the difference between the weight change of water in the water storage bucket (302) is the weight of the modifier.

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