CN211602807U

CN211602807U - Die cavity automatic cooling and variable amplitude testing device for closed rotor-free rheometer

Info

Publication number: CN211602807U
Application number: CN201922470213.1U
Authority: CN
Inventors: 黄朝晖
Original assignee: Goodtechwill Testing Machines Qingdao Co ltd
Current assignee: Goodtechwill Testing Machines Qingdao Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-29
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to the technical field of rubber vulcanization characteristic detection devices, in particular to a die cavity automatic cooling and amplitude-variable testing device for an airtight rotor-free rheometer, which comprises a rectangular frame, wherein an upper die cavity and a lower die cavity are sequentially arranged in the rectangular frame from top to bottom, the upper die cavity is of a hollow structure with an opening at the bottom surface, the lower die cavity is of a hollow structure with an opening at the upper part and the lower part, sliding grooves are symmetrically arranged on the inner walls at the two ends of the lower die cavity, the automatic mold cavity cooling and amplitude varying test device for the closed rotor-free rheometer can change the amplitude of rubber in a mold cavity through the arranged vibration mechanism, thereby more effectively detecting the vulcanization characteristic of the rubber, rapidly dissipating heat of the die cavity through the arranged cooling mechanism, therefore, the cooling speed of the die cavity is accelerated, the detection cost is reduced, and the problems that the cooling speed of the die cavity is slow, the detection cost is improved, and the rubber vulcanization characteristic cannot be well detected are solved.

Description

Die cavity automatic cooling and variable amplitude testing device for closed rotor-free rheometer

Technical Field

The utility model relates to a rubber vulcanization characteristic detection device technical field specifically is a die cavity automatically cooling and become amplitude testing arrangement for airtight no rotor rheometer.

Background

In the existing test for testing the vulcanization characteristic, a rheometer test method is widely adopted, wherein a natural cooling method is usually adopted for cooling a test die cavity at present, but in the test process of a continuous test, the temperature of the rheometer die cavity needs to be reduced as soon as possible, and as the tested die cavity has higher temperature and good heat insulation performance, very long natural cooling time is often needed, the cooling speed of the die cavity is slow, so that the detection cost is improved; in addition, the amplitude of the cavity is generally selected to be a single amplitude, but the single amplitude can only reflect the vulcanization characteristic of rubber under constant amplitude and constant strain, and is not beneficial to comprehensively reflect the comprehensive processing performance of the polymer and the composite material thereof, so that the rubber vulcanization characteristic cannot be well detected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die cavity automatically cooling and become amplitude testing arrangement for airtight no rotor rheometer to the die cavity cooling rate who provides in solving above-mentioned background is slow, improves the problem that detects the cost and can not be fine to the rubber vulcanization characteristic.

In order to achieve the above object, the utility model provides a following technical scheme:

a die cavity automatic cooling and amplitude-varying testing device for an airtight rotor-free rheometer comprises a rectangular frame, wherein an upper die cavity and a lower die cavity are sequentially arranged in the rectangular frame from top to bottom, the upper die cavity is of a hollow structure with an opening at the bottom surface, the lower die cavity is of a hollow structure with an opening at the top and the bottom, sliding grooves are symmetrically formed in the inner walls of the two ends of the lower die cavity, sunken grooves are symmetrically formed in the opposite surfaces of the upper die cavity and the lower die cavity, heating plates are installed in the sunken grooves, sliding plates are arranged in the lower die cavity, sliding blocks are symmetrically arranged at the two ends of the sliding plates and are in sliding connection with the sliding grooves, an air cylinder is installed on the inner wall of the top surface of the rectangular frame through bolts, the bottom surface of a piston rod of the air cylinder is welded and fixed with the top surface of the upper, and a cooling mechanism is arranged on one side of the rectangular frame.

Preferably, the inner wall of the top surface of the sliding groove is provided with a damping spring.

Preferably, the opposite surfaces of the upper die cavity and the lower die cavity are both bonded with sealing gaskets through glue.

Preferably, the shape and size of the sliding block are matched with the shape and size of the sliding chute.

Preferably, the vibration mechanism comprises a lifting plate, the bottom surface of the lifting plate is welded and fixed with the rectangular frame, a motor is mounted on the top surface of the lifting plate through a bolt, and an output shaft of the motor is coaxially connected with a convex disc.

Preferably, the cooling mechanism includes a connecting plate, one side of the connecting plate with rectangular frame welded fastening, the air-blower is installed through the bolt in the top surface of connecting plate, one side of air-blower is equipped with the box, the box is top surface open-ended hollow structure, the top surface of box is equipped with the closing cap, the closing cap with the box is closely pegged graft, the air outlet of air-blower with connect through the connecting pipe between the box, one side symmetry of box is equipped with communicating pipe, the one end play of communicating pipe passes the box and is linked together rather than inside, the other end of communicating pipe is equipped with the hose, one of them the one end of hose is passed go up the die cavity and is linked together rather than inside, another the one end of hose is passed down the die cavity and is linked together.

Preferably, a valve is arranged on the communicating pipe.

Compared with the prior art, the beneficial effects of the utility model are that: this airtight no rotor die cavity automatically cooling and become amplitude testing arrangement for rheometer can make the amplitude of rubber in the die cavity change through the vibrations mechanism that sets up to can carry out more effective detection to rubber vulcanization characteristic, can be quick dispel the heat to the die cavity through the cooling body that sets up, thereby make die cavity cooling rate accelerate, thereby reduce the detection cost, it is slow to have solved die cavity cooling rate, improve the problem that detects the cost and can not be fine to rubber vulcanization characteristic.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a lower mold cavity of the present invention;

FIG. 3 is a schematic view of the slide plate structure of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a rectangular frame; 2. an upper mold cavity; 3. a lower die cavity; 31. a chute; 32. a damping spring; 33. a slide plate; 331. a slider; 4. sinking a groove; 5. a gasket; 6. a cylinder; 7. a torque sensor; 8. a vibration mechanism; 81. raising the plate; 82. a motor; 83. a convex disc; 9. a cooling mechanism; 91. a connecting plate; 92. a blower; 93. a box body; 94. a communicating pipe; 95. a valve; 96. a hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or components referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a die cavity automatic cooling and amplitude-varying testing device for a closed rotor-free rheometer comprises a rectangular frame 1, an upper die cavity 2 and a lower die cavity 3 are sequentially arranged in the rectangular frame 1 from top to bottom, the upper die cavity 2 is of a hollow structure with an opening on the bottom surface, the lower die cavity 3 is of a hollow structure with an opening on the upper and lower sides, sliding grooves 31 are symmetrically formed in inner walls of two ends of the lower die cavity 3, opposite surfaces of the upper die cavity 2 and the lower die cavity 3 are symmetrically provided with sinking grooves 4, heating plates are arranged in the sinking grooves 4, sliding plates 33 are arranged in the lower die cavity 3, sliding blocks 331 are symmetrically arranged at two ends of the sliding plates 33, the sliding blocks 331 are in sliding connection with the sliding grooves 31, the sliding plates 33 can slide in the lower die cavity 3, an air cylinder 6 is arranged on the inner wall of the top surface of the rectangular frame 1 through bolts, the bottom surface of a piston rod of the air cylinder 6 is welded, one side of the rectangular frame 1 is provided with a cooling mechanism 9.

Specifically, the top surface inner wall of the chute 31 is provided with the damping spring 32, so that when the sliding plate 33 moves upwards, the sliding plate 33 cannot generate large vibration with the lower die cavity 3 under the elastic action of the damping spring 32, and the torque sensor 7 on the upper die cavity 2 is accurate in measurement.

In this embodiment, the opposite surfaces of the upper mold cavity 2 and the lower mold cavity 3 are bonded by glue to form a sealing gasket 5, so that a gap is not generated between the upper mold cavity 2 and the lower mold cavity 3 after the upper mold cavity and the lower mold cavity are connected together, and the sealing performance after the upper mold cavity 2 and the lower mold cavity 3 are connected together is ensured.

In addition, the shape and size of the sliding block 331 are matched with the shape and size of the sliding slot 31, so that the sliding stability of the sliding block 331 in the sliding slot 31 is ensured.

Specifically, the vibration mechanism 8 comprises a lifting plate 81, the bottom surface of the lifting plate 81 is welded and fixed with the rectangular frame 1, a motor 82 is installed on the top surface of the lifting plate 81 through a bolt, and a protruding disc 83 is coaxially connected with an output shaft of the motor 82.

In this embodiment, the cooling mechanism 9 includes a connection plate 91, one side of the connection plate 91 is welded and fixed to the rectangular frame 1, an air blower 92 is installed on the top surface of the connection plate 91 through a bolt, a box 93 is disposed on one side of the air blower 92, the box 93 is of a hollow structure with an open top surface, a sealing cover is disposed on the top surface of the box 93, the sealing cover is tightly inserted into the box 93, an air outlet of the air blower 92 is connected to the box 93 through a connection pipe, communication pipes 94 are symmetrically disposed on one side of the box 93, one end of each of the communication pipes 94 penetrates through the box 93 and is communicated with the inside of the box, a hose 96 is disposed at the other end of each of the communication pipes 94, one end of one of the hoses 96 penetrates through.

In addition, a valve 95 is disposed on the communicating pipe 94, and the valve 95 can prevent the temperature in the upper mold cavity 2 and the lower mold cavity 3 from flowing into the box 93 in the operating state, which causes the loss of heat energy.

It should be noted that the top surface of the cam 83 can contact the sliding plate 33, so that the sliding plate 33 can be jacked up by one rotation of the cam 83, and the rubber sample on the sliding plate 33 can move upwards to contact the top surface of the upper mold cavity 2, so that the torque sensor 7 can detect the rubber vulcanization characteristic thereof.

It should be noted that the motor 82 in this embodiment is a YE2-4P three-phase asynchronous motor manufactured by zhe jiang han motor science and technology ltd; the blower 92 in the embodiment adopts a model F250 blower manufactured by Yongqiang Fan industries, Inc. of Keiping; torque sensor 7 in this embodiment adopts hcnji-101 torque sensor of beijing sea bohua kojic, and the model that the hot plate in this embodiment adopted the technique of thinking measurement Shenzhen limited to produce is the XT-JRB hot plate, and its supporting circuit and power also can be provided by this producer, in addition, the utility model discloses in relate to circuit and electronic components and module and be prior art, technical staff in the field can realize completely, need not proud, the utility model discloses the protection content does not relate to the improvement to inner structure and method yet, and cylinder 6 in this embodiment can adopt the MHF2-8D model cylinder of the pneumatic limited company's of blue tai production, and its supporting pneumatic system, pipeline and solenoid valve also can be provided by this producer.

When the die cavity automatic cooling and amplitude-varying testing device for the closed rotor-free rheometer is used, firstly, a rubber sample is placed in the lower die cavity 3, an external power supply of the heating plate is connected to enable the rubber sample to work, the temperature in the upper die cavity 2 and the temperature in the lower die cavity 2 are increased along with the temperature after the heating plate works, then the external power supply of the air cylinder 6 is connected to enable the rubber sample to work, a piston rod of the air cylinder 6 drives the upper die cavity 2 to move downwards until the upper die cavity is attached to the lower die cavity 3, then the external power supply of the motor 82 is connected to enable the upper die cavity 2 to work, an output shaft of the motor 82 drives the convex disc 83 to rotate, the convex disc 83 jacks up the sliding plate 33, the rubber sample on the sliding plate 33 is contacted with the top surface of the upper die cavity 2, the rubber vulcanization characteristic of the rubber sample is obtained through the torque sensor 7, when the impact force between the, impact between flange 83 and slide 33 obtains changing, thereby impact force between rubber sample and the last die cavity 2 regulates and control, after the rubber vulcanization characteristic detection of rubber sample accomplished, open cylinder 6, die cavity 2 up-motion is gone up in the output shaft drive of cylinder 6, open the closing cap on the box 93, add the ice bag, the box 93 is sealed to the rethread closing cap, switch on air-blower 92's external power makes its work, open valve 95, air-blower 92 blows in last die cavity 2 and lower die cavity 3 with wind, thereby make the temperature in last die cavity 2 and the lower die cavity 3 descend fast.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a die cavity automatically cooling and become amplitude testing arrangement for airtight no rotor rheometer, includes rectangular frame (1), its characterized in that: the rectangular framework is characterized in that an upper die cavity (2) and a lower die cavity (3) are sequentially arranged in the rectangular framework (1) from top to bottom, the upper die cavity (2) is of a hollow structure with an opening in the bottom surface, the lower die cavity (3) is of a hollow structure with an opening in the top and a opening in the bottom, sliding grooves (31) are symmetrically formed in the inner walls of the two ends of the lower die cavity (3), sinking grooves (4) are symmetrically formed in the opposite surfaces of the upper die cavity (2) and the lower die cavity (3), heating plates are installed in the sinking grooves (4), sliding plates (33) are arranged in the lower die cavity (3), sliding blocks (331) are symmetrically arranged at the two ends of the sliding plates (33), the sliding blocks (331) are slidably connected with the sliding grooves (31), an air cylinder (6) is installed on the inner wall of the top surface of the rectangular framework (1) through bolts, the bottom surface of a piston rod of the air cylinder (6) is, the bottom surface inner wall of rectangular frame (1) is equipped with vibrations mechanism (8), one side of rectangular frame (1) is equipped with cooling body (9).

2. The die cavity automatic cooling and amplitude-varying testing device for the closed rotor-free rheometer according to claim 1, wherein: and a damping spring (32) is arranged on the inner wall of the top surface of the sliding chute (31).

3. The die cavity automatic cooling and amplitude-varying testing device for the closed rotor-free rheometer according to claim 1, wherein: and the opposite surfaces of the upper die cavity (2) and the lower die cavity (3) are bonded with sealing gaskets (5) through glue.

4. The die cavity automatic cooling and amplitude-varying testing device for the closed rotor-free rheometer according to claim 1, wherein: the shape and the size of the sliding block (331) are matched with the shape and the size of the sliding chute (31).

5. The die cavity automatic cooling and amplitude-varying testing device for the closed rotor-free rheometer according to claim 1, wherein: the vibration mechanism (8) comprises a lifting plate (81), the bottom surface of the lifting plate (81) is fixedly welded with the rectangular frame (1), a motor (82) is installed on the top surface of the lifting plate (81) through a bolt, and an output shaft of the motor (82) is coaxially connected with a convex disc (83).

6. The die cavity automatic cooling and amplitude-varying testing device for the closed rotor-free rheometer according to claim 1, wherein: the cooling mechanism (9) comprises a connecting plate (91), one side of the connecting plate (91) is welded and fixed with the rectangular frame (1), an air blower (92) is installed on the top surface of the connecting plate (91) through a bolt, a box body (93) is arranged on one side of the air blower (92), the box body (93) is of a hollow structure with an open top surface, a sealing cover is arranged on the top surface of the box body (93) and is tightly inserted into the box body (93), an air outlet of the air blower (92) is connected with the box body (93) through a connecting pipe, communicating pipes (94) are symmetrically arranged on one side of the box body (93), one end of each communicating pipe (94) penetrates through the box body (93) and is communicated with the interior of the box body, a hose (96) is arranged at the other end of each communicating pipe (94), one end of one hose (96) penetrates through the upper die cavity (2), one end of the other hose (96) passes through the lower mold cavity (3) and communicates with the inside thereof.

7. The die cavity automatic cooling and amplitude-varying testing device for the closed rotor-free rheometer according to claim 6, wherein: and a valve (95) is arranged on the communicating pipe (94).