阅读说明：本技术 一种橡胶高温膨胀压力的测试装置 (Testing arrangement of rubber high temperature expansion pressure ) 是由 王本华 梁晨 缪胜海 于 2021-01-19 设计创作，主要内容包括：本发明公开了一种橡胶高温膨胀压力的测试装置,包括外壳体、发热机构、扩张机构、调节机构和控制机构,所述外壳体为空心结构,所述发热机构固定设置在所述外壳体内部,所述扩张机构固定设置在所述发热机构的一侧,所述扩张机构位于所述外壳体内,所述调节机构固定设置在所述扩张机构的上方,所述控制机构固定设置在所述发热机构与所述扩张机构之间；本发明设计的第一锥齿轮与第二锥齿轮可以改变第三锥齿轮的旋向,从而可以改变第四锥齿轮的旋向,第五锥齿轮与第六锥齿轮配合使用可以改变第一搅拌杆与第二搅拌杆的旋向,从而可以增加搅拌效果。(The invention discloses a device for testing high-temperature expansion pressure of rubber, which comprises an outer shell, a heating mechanism, an expansion mechanism, an adjusting mechanism and a control mechanism, wherein the outer shell is of a hollow structure, the heating mechanism is fixedly arranged in the outer shell, the expansion mechanism is fixedly arranged on one side of the heating mechanism, the expansion mechanism is positioned in the outer shell, the adjusting mechanism is fixedly arranged above the expansion mechanism, and the control mechanism is fixedly arranged between the heating mechanism and the expansion mechanism; the first bevel gear and the second bevel gear designed by the invention can change the rotating direction of the third bevel gear, so that the rotating direction of the fourth bevel gear can be changed, and the rotating directions of the first stirring rod and the second stirring rod can be changed by matching the fifth bevel gear with the sixth bevel gear, so that the stirring effect can be increased.)

1. The utility model provides a testing arrangement of rubber high temperature expansion pressure which characterized in that: the heating device comprises an outer shell (1), a heating mechanism, an expansion mechanism, an adjusting mechanism and a control mechanism, wherein the outer shell (1) is of a hollow structure, the heating mechanism is fixedly arranged inside the outer shell (1), the expansion mechanism is fixedly arranged on one side of the heating mechanism, the expansion mechanism is positioned in the outer shell (1), the adjusting mechanism is fixedly arranged above the expansion mechanism, and the control mechanism is fixedly arranged between the heating mechanism and the expansion mechanism;

the heating mechanism comprises a water storage bin (2), a circulation pipeline (21), a heating bin (22), a stirring shaft (23), stirring rods (24) and a rotating bevel gear (25), wherein the water storage bin (2) is fixedly installed on the outer shell (1), the heating bin (22) is fixedly installed on the inner wall of the bottom end of the outer shell (1), one end of the circulation pipeline (21) is fixedly connected to the water storage bin (2), the other end of the circulation pipeline (21) is fixedly connected to the heating bin (22), the stirring shaft (23) penetrates through the heating bin (22), the upper end of the stirring shaft (23) is rotatably installed at the upper end of the heating bin (22), the lower end of the stirring shaft (23) is rotatably installed on the inner wall of the bottom end of the outer shell (1), and the outer wall of the stirring shaft (23) is circumferentially provided with the stirring rods (24), an air outlet is formed in the heating bin (22), and the rotating bevel gear (25) is fixedly installed at the top end of the stirring shaft (23).

2. The apparatus for testing high temperature expansion pressure of rubber according to claim 1, wherein: the expansion mechanism comprises a rotating rod (3), a fixing plate (31), a fixing sleeve (32) and a plurality of telescopic assemblies arranged in the circumferential direction, each telescopic assembly comprises an expansion plate (33), a guide rod (34), a rotating rod (35), a driving bevel gear (36), a driven bevel gear (37) and a transmission bevel gear (38), the upper end of the fixing plate (31) is fixedly arranged on the inner wall of the upper end of the outer shell (1), the lower end of the fixing plate (31) is fixedly arranged on the inner wall of the lower end of the outer shell (1), a sliding groove is formed in the fixing plate (31), two ends of the guide rod (34) are fixedly arranged in the sliding groove, one end of the expansion plate (33) is slidably arranged on the guide rod (34), one end of a fixing sleeve is fixedly arranged on the fixing plate (31), and the fixing sleeve is of a hollow structure, dwang (3) link up fixed plate (31), dwang (3) are rotated and are installed on fixed plate (31), drive bevel gear (36) fixed mounting be in the middle part of dwang (3), drive bevel gear (38) fixed mounting be in dwang (3) are located the outer one end of fixed sleeve, rotary rod (35) are rotated and are installed on the fixed sleeve, driven bevel gear (37) fixed mounting be in the lower extreme of rotary rod (35), driven bevel gear (37) with drive bevel gear (36) mesh mutually, expansion plate (33) are installed through screw-thread fit's mode on rotary rod (35).

3. The apparatus for testing high temperature expansion pressure of rubber according to claim 1, wherein: the adjusting mechanism comprises a first connecting rod (4), a second connecting rod (41), a third connecting rod (42), a sliding rack (43), a transmission gear (44), a return spring (45), a connecting rod (46), a baffle (47), a first bevel gear (48), a second bevel gear (49), a third bevel gear (410), a return spring (411) and a driving fan (412), wherein an installation cavity is formed in the upper end of the outer shell (1), a movable groove is formed in the upper wall of the installation cavity, the sliding rack (43) is slidably installed in the movable groove, one end of the return spring (45) is fixedly connected to the upper wall of the installation cavity, the top end of the connecting rod (46) is fixedly installed at the other end of the return spring (45), the transmission gear (44) is rotatably installed in the installation cavity, and the sliding rack (43) is meshed with the transmission gear (44), the side wall of the upper part of the connecting rod (46) is provided with clamping teeth which are meshed with the transmission gear (44), the baffle plate (47) is fixedly installed at the bottom end of the connecting rod (46), the top end of the first connecting rod (4) is fixedly installed on the sliding rack (43), the first bevel gear (48) is installed at the bottom end of the first connecting rod (4) through a bearing, the second connecting rod (41) is rotatably installed at the upper end of the heating bin (22), the driving fan (412) is rotatably installed on the second connecting rod (41), the second bevel gear (49) is fixedly installed at one end of the second connecting rod (41), the second bevel gear (49) is meshed with the rotating bevel gear (25), the other end of the second connecting rod (41) is provided with an installation groove, and one end of the reset spring (411) is fixedly connected in the installation groove, the other end of the return spring (411) is fixedly connected to one end of the third connecting rod (42), a fan-shaped groove is circumferentially formed in the end portion of the second connecting rod (41) located at the front end of the mounting groove, a fan-shaped fixture block is circumferentially arranged at the end portion of the third connecting rod (42), the fan-shaped fixture block is matched with the fan-shaped groove, the third bevel gear (410) is fixedly mounted at the other end of the third connecting rod (42), and the third bevel gear (410) is meshed with the first bevel gear (48).

4. The apparatus for testing high temperature expansion pressure of rubber according to claim 1, wherein: the control mechanism comprises a fourth bevel gear (5), a fifth bevel gear (51), a sixth bevel gear (52), a seventh bevel gear (53), a fourth connecting rod (54), a mounting rod (55), a fixing frame (56), a fifth connecting rod (57), a sixth connecting rod (58), a sealing piston (59) and a stop block (510), the fourth bevel gear (5) is fixedly mounted on the third connecting rod (42), the fourth connecting rod (54) is rotatably mounted on the outer shell (1), the fifth bevel gear (51) is fixedly mounted at the bottom end of the fourth connecting rod (54), the sixth bevel gear (52) is fixedly mounted at the top end of the fourth connecting rod (54), the fixing frame (56) is fixedly mounted at the upper end of the outer shell (1), the mounting rod (55) is mounted on the fixing frame (56) through a torsion spring, and the seventh bevel gear (53) is fixedly mounted at one end of the mounting rod (55), the seventh bevel gear (53) is engaged with the sixth bevel gear (52), one end of the fifth connecting rod (57) is mounted at the other end of the mounting rod (55) through a universal joint, the other end of the fifth connecting rod (57) is hinged to one end of the sixth connecting rod (58), the sixth connecting rod (58) is slidably mounted on the flow pipeline (21), the sealing piston (59) is slidably mounted in the flow pipeline (21), the sealing piston (59) is fixedly mounted at the other end of the sixth connecting rod (58), and the stopper (510) is fixedly mounted on the fixing frame (56).

5. The apparatus for testing high temperature expansion pressure of rubber according to claim 1, wherein: the upper end of the outer shell (1) is positioned above the expansion plate (33) and is fixedly provided with a pressure gauge.

6. A device for testing high temperature expansion pressure of rubber according to claim 3, wherein: the movable groove is of a T-shaped structure, the sliding rack (43) is of a T-shaped structure, and the movable groove is matched with the sliding rack (43).

7. The apparatus for testing high temperature expansion pressure of rubber according to claim 2, wherein: anti-skid teeth are fixedly arranged on the expansion plate (33).

Technical Field

The invention belongs to the technical field of rubber, and particularly relates to a device for testing high-temperature expansion pressure of rubber.

Background

The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. The rubber is a completely amorphous polymer, and has a low glass transition temperature and a high molecular weight.

Rubber high temperature expansion pressure test device of prior art does not have the controlling means to rubber inflation most of when carrying out the inflation pressure test to rubber to probably lead to the rubber inflation excessive when carrying out the pressure test, thereby cause the rubber to damage, simultaneously, prior art's rubber high temperature expansion pressure test device prevents rubber inflation excessive when rubber unable controlled temperature after the inflation.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a device for testing the high-temperature expansion pressure of rubber.

In order to achieve the purpose, the invention adopts the following technical scheme:

a testing device for high-temperature expansion pressure of rubber comprises an outer shell, a heating mechanism, an expansion mechanism, an adjusting mechanism and a control mechanism, wherein the outer shell is of a hollow structure, the heating mechanism is fixedly arranged inside the outer shell, the expansion mechanism is fixedly arranged on one side of the heating mechanism, the expansion mechanism is positioned in the outer shell, the adjusting mechanism is fixedly arranged above the expansion mechanism, and the control mechanism is fixedly arranged between the heating mechanism and the expansion mechanism;

the heating mechanism comprises a water storage bin, a flow pipeline, a heating bin, a stirring shaft, a stirring rod and a rotating bevel gear, wherein the water storage bin is fixedly installed on the outer shell, the heating bin is fixedly installed on the inner wall of the bottom end of the outer shell, one end of the flow pipeline is fixedly connected to the water storage bin, the other end of the flow pipeline is fixedly connected to the heating bin, the stirring shaft penetrates through the heating bin, the upper end of the stirring shaft is rotatably installed on the upper end of the heating bin, the lower end of the stirring shaft is rotatably installed on the inner wall of the bottom end of the outer shell, the stirring rod is circumferentially arranged on the outer wall of the stirring shaft, a gas outlet is formed in the heating bin, and the rotating bevel gear is fixedly installed on the.

Preferably, the expansion mechanism comprises a rotating rod, a fixed plate, a fixed sleeve and a plurality of telescopic assemblies arranged in the circumferential direction, the telescopic assemblies comprise an expansion plate, a guide rod, a rotating rod, a driving bevel gear, a driven bevel gear and a transmission bevel gear, the upper end of the fixed plate is fixedly arranged on the inner wall of the upper end of the outer shell, the lower end of the fixed plate is fixedly arranged on the inner wall of the lower end of the outer shell, a sliding groove is formed in the fixed plate, the two ends of the guide rod are fixedly arranged in the sliding groove, one end of the expansion plate is slidably arranged on the guide rod, one end of the fixed sleeve is fixedly arranged on the fixed plate, the fixed sleeve is of a hollow structure, the rotating rod penetrates through the fixed plate, the rotating rod is rotatably arranged on the fixed plate, the driving bevel gear is fixedly, the transmission bevel gear fixed mounting be in the dwang is located the outer one end of fixed cover section of thick bamboo, the rotary rod rotates to be installed on the fixed sleeve, driven bevel gear fixed mounting be in the lower extreme of rotary rod, driven bevel gear with the drive bevel gear meshes mutually, the expansion plate passes through screw-thread fit's mode and installs on the rotary rod.

Preferably, the adjusting mechanism comprises a first connecting rod, a second connecting rod, a third connecting rod, a sliding rack, a transmission gear, a return spring, a connecting rod, a baffle, a first bevel gear, a second bevel gear, a third bevel gear, a return spring and a driving fan, the upper end of the outer shell is provided with an installation cavity, the upper wall of the installation cavity is provided with a movable groove, the sliding rack is slidably installed in the movable groove, one end of the return spring is fixedly connected to the upper wall of the installation cavity, the top end of the connecting rod is fixedly installed at the other end of the return spring, the transmission gear is rotatably installed in the installation cavity, the sliding rack is meshed with the transmission gear, the side wall of the upper part of the connecting rod is provided with clamping teeth, the clamping teeth are meshed with the transmission gear, the baffle is fixedly installed at the bottom end of the connecting rod, the top end of the first connecting rod is fixedly arranged on the sliding rack, the first bevel gear is arranged at the bottom end of the first connecting rod through a bearing, the second connecting rod is rotatably arranged at the upper end of the heating chamber, the driving fan is rotatably arranged on the second connecting rod, the second bevel gear is fixedly arranged at one end of the second connecting rod and is meshed with the rotating bevel gear, the other end of the second connecting rod is provided with an installation groove, one end of a return spring is fixedly connected in the installation groove, the other end of the return spring is fixedly connected to one end of the third connecting rod, the end part of the second connecting rod, which is positioned at the front end of the installation groove, is circumferentially provided with a fan-shaped groove, the end part of the third connecting rod is circumferentially provided with a fan-shaped clamping block, the fan-shaped clamping block is matched with the fan-shaped groove, and the third bevel gear is fixedly arranged at the other, the third bevel gear is meshed with the first bevel gear.

Preferably, the control mechanism includes a fourth bevel gear, a fifth bevel gear, a sixth bevel gear, a seventh bevel gear, a fourth connecting rod, a mounting rod, a fixing frame, a fifth connecting rod, a sixth connecting rod, a sealing piston and a stopper, the fourth bevel gear is fixedly mounted on the third connecting rod, the fourth connecting rod is rotatably mounted on the housing, the fifth bevel gear is fixedly mounted at the bottom end of the fourth connecting rod, the sixth bevel gear is fixedly mounted at the top end of the fourth connecting rod, the fixing frame is fixedly mounted at the upper end of the housing, the mounting rod is mounted on the fixing frame through a torsion spring, the seventh bevel gear is fixedly mounted at one end of the mounting rod, the seventh bevel gear is engaged with the sixth bevel gear, one end of the fifth connecting rod is mounted at the other end of the mounting rod through a universal joint, and the other end of the fifth connecting rod is hinged to one end of the sixth connecting rod, the sixth connecting rod is slidably mounted on the circulating pipeline, the sealing piston is slidably mounted in the circulating pipeline, the sealing piston is fixedly mounted at the other end of the sixth connecting rod, and the stop block is fixedly mounted on the fixing frame

Preferably, the upper end of the outer shell is fixedly provided with a pressure gauge above the expansion plate.

Preferably, the movable groove is of a T-shaped structure, the sliding rack is of a T-shaped structure, and the movable groove is matched with the sliding rack.

Preferably, the expansion plate is fixedly provided with anti-slip teeth.

Compared with the prior art, the invention has the beneficial effects that:

adding lime powder into the heating bin, continuously injecting water into the water storage bin, reacting the water and the lime powder in the heating bin, driving the driving fan to rotate by generated hot air, driving the second bevel gear to rotate by the second connecting rod, and driving the stirring rod to stir the lime powder by matching the rotating bevel gear with the stirring shaft to increase the heating effect.

Secondly, after rubber expands furthest, can push up the baffle, and then drive the connecting rod motion to drive gear and rotate, drive the motion of sliding rack, can drive first connecting rod motion, thereby can drive first bevel gear and drive bevel gear and break away from, thereby the dwang can stall, and then prevents that rubber inflation is excessive, causes the damage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic view of a first configuration of the present invention;

FIG. 2 is a schematic structural view of the expansion mechanism of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is an enlarged view of a portion of FIG. 1 at C;

FIG. 6 is a cross-sectional view taken at D-D of FIG. 4;

FIG. 7 is a cross-sectional view taken at E-E of FIG. 5;

FIG. 8 is a cross-sectional view at F-F of FIG. 3;

description of reference numerals: 1. an outer housing; 2. a water storage bin; 21. a flow conduit; 22. a heating chamber; 23. a stirring shaft; 24. a stirring rod; 25. rotating the bevel gear; 3. rotating the rod; 31. a fixing plate; 32. fixing the sleeve; 33. an expansion plate; 34. a guide bar; 35. rotating the rod; 36. a drive bevel gear; 37. a driven bevel gear; 38. a drive bevel gear; 4. a first link; 41. a second link; 42. a third link; 43. a sliding rack; 44. a transmission gear; 45. a return spring; 46. a connecting rod; 47. a baffle plate; 48. a first bevel gear; 49. a second bevel gear; 410. a third bevel gear; 411. a return spring; 412. driving a fan; 5. a fourth bevel gear; 51. a fifth bevel gear; 52. a sixth bevel gear; 53. a seventh bevel gear; 54. a fourth link; 55. mounting a rod; 56. a fixed mount; 57. a fifth link; 58. a sixth link; 59. a sealing piston; 510. and a stop block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to 8, the device for testing the high-temperature expansion pressure of rubber provided by the embodiment of the present invention includes an outer shell 1, a heating mechanism, an expansion mechanism, an adjusting mechanism and a control mechanism, wherein the outer shell 1 is a hollow structure, the heating mechanism is fixedly disposed inside the outer shell 1, the expansion mechanism is fixedly disposed on one side of the heating mechanism, the expansion mechanism is located inside the outer shell 1, the adjusting mechanism is fixedly disposed above the expansion mechanism, and the control mechanism is fixedly disposed between the heating mechanism and the expansion mechanism;

the heating mechanism comprises a water storage bin 2, a circulating pipeline 21, a heating bin 22, a stirring shaft 23, a stirring rod 24 and a rotating bevel gear 25, the water storage bin 2 is fixedly arranged on the outer shell 1, the heating bin 22 is fixedly arranged on the inner wall of the bottom end of the outer shell 1, one end of the circulation pipeline 21 is fixedly connected to the water storage bin 2, the other end of the circulation pipeline 21 is fixedly connected to the heating bin 22, the stirring shaft 23 penetrates through the heating bin 22, the upper end of the stirring shaft 23 is rotatably arranged at the upper end of the heating bin 22, the lower end of the stirring shaft 23 is rotatably arranged on the inner wall of the bottom end of the outer shell 1, a plurality of stirring rods 24 are circumferentially arranged on the outer wall of the stirring shaft 23, an air outlet is formed in the heating bin 22, and the rotating bevel gear 25 is fixedly installed at the top end of the stirring shaft 23.

The expansion mechanism comprises a rotating rod 3, a fixed plate 31, a fixed sleeve 32 and a plurality of telescopic assemblies arranged in the circumferential direction, each telescopic assembly comprises an expansion plate 33, a guide rod 34, a rotating rod 35, a driving bevel gear 36, a driven bevel gear 37 and a transmission bevel gear 38, the upper end of the fixed plate 31 is fixedly arranged on the inner wall of the upper end of the outer shell 1, the lower end of the fixed plate 31 is fixedly arranged on the inner wall of the lower end of the outer shell 1, a sliding groove is formed in the fixed plate 31, two ends of the guide rod 34 are fixedly arranged in the sliding groove, one end of the expansion plate 33 is slidably arranged on the guide rod 34, one end of the fixed sleeve is fixedly arranged on the fixed plate 31, the fixed sleeve is of a hollow structure, the rotating rod 3 penetrates through the fixed plate 31, and the rotating rod 3 is rotatably arranged on, the drive bevel gear 36 fixed mounting be in the middle part of dwang 3, transmission bevel gear 38 fixed mounting be in the dwang 3 is located the outer one end of fixed cover section of thick bamboo, rotary rod 35 rotates to be installed on the fixed sleeve, driven bevel gear 37 fixed mounting be in the lower extreme of rotary rod 35, driven bevel gear 37 with drive bevel gear 36 meshes mutually, expansion plate 33 passes through screw-thread fit's mode and installs on the rotary rod 35. The upper end of the outer shell 1 is fixedly provided with a pressure gauge above the expansion plate 33. Anti-skid teeth are fixedly arranged on the expansion plate 33.

The adjusting mechanism comprises a first connecting rod 4, a second connecting rod 41, a third connecting rod 42, a sliding rack 43, a transmission gear 44, a return spring 45, a connecting rod 46, a baffle plate 47, a first bevel gear 48, a second bevel gear 49, a third bevel gear 410, a return spring 411 and a driving fan 412, the upper end of the outer shell 1 is provided with an installation cavity, the upper wall of the installation cavity is provided with a movable groove, the sliding rack 43 is slidably installed in the movable groove, one end of the return spring 45 is fixedly connected to the upper wall of the installation cavity, the top end of the connecting rod 46 is fixedly installed at the other end of the return spring 45, the transmission gear 44 is rotatably installed in the installation cavity, the sliding rack 43 is meshed with the transmission gear 44, the upper side wall of the connecting rod 46 is provided with a clamping tooth, and the clamping tooth is meshed with the transmission gear 44, the baffle 47 is fixedly installed at the bottom end of the connecting rod 46, the top end of the first connecting rod 4 is fixedly installed on the sliding rack 43, the first bevel gear 48 is installed at the bottom end of the first connecting rod 4 through a bearing, the second connecting rod 41 is rotatably installed at the upper end of the heating chamber 22, the driving fan 412 is rotatably installed on the second connecting rod 41, the second bevel gear 49 is fixedly installed at one end of the second connecting rod 41, the second bevel gear 49 is engaged with the rotating bevel gear 25, the other end of the second connecting rod 41 is provided with an installation groove, one end of the return spring 411 is fixedly connected in the installation groove, the other end of the return spring 411 is fixedly connected to one end of the third connecting rod 42, the end of the second connecting rod 41 is located at the front end of the installation groove and circumferentially provided with a fan-shaped groove, and the end of the third connecting rod 42 is circumferentially provided with a fan-shaped, the sector-shaped fixture block is matched with the sector-shaped groove, the third bevel gear 410 is fixedly installed at the other end of the third connecting rod 42, and the third bevel gear 410 is meshed with the first bevel gear 48. The movable groove is of a T-shaped structure, the sliding rack 43 is of a T-shaped structure, and the movable groove is matched with the sliding rack 43.

During operation, the rubber sleeve is sleeved on the expanding plate 33, lime powder is added into the heating bin 22, water is continuously injected into the water storage bin 2, further, the water and the lime powder react in the heating bin 22, the generated hot air can drive the driving fan 412 to rotate, further drive the second connecting rod 41 to rotate, further drive the second bevel gear 49 to rotate, the stirring shaft 23 can be driven to rotate through the rotating bevel gear 25, further drive the stirring rod 24 to stir the lime powder, the second connecting rod 41 can drive the third connecting rod 42 to rotate, the driving bevel gear 38 is driven to rotate through the first bevel gear 48, further drive the rotating rod 3 to rotate, further drive the driving bevel gear 36 to rotate, further drive the driven bevel gear 37 to rotate, and then the rotating rod 35 can be driven to rotate, so as to drive the expansion plate 33 to expand outwards, so as to expand the rubber, and when the rubber expands to the maximum, the rubber can push against the baffle 47, and then the connecting rod 46 is driven to move, so as to drive the transmission gear 44 to rotate, and then the sliding rack 43 to move, so as to drive the first connecting rod 4 to move, so as to drive the first bevel gear 48 to be separated from the transmission bevel gear 38, so that the rotating rod 3 can stop rotating, and thus the rubber is prevented from being excessively expanded and damaged.

Example two:

in the first embodiment, there is a problem that temperature control cannot be achieved, so that the first embodiment further includes: the control mechanism comprises a fourth bevel gear 5, a fifth bevel gear 51, a sixth bevel gear 52, a seventh bevel gear 53, a fourth connecting rod 54, a mounting rod 55, a fixing frame 56, a fifth connecting rod 57, a sixth connecting rod 58, a sealing piston 59 and a stop block 510, wherein the fourth bevel gear 5 is fixedly mounted on the third connecting rod 42, the fourth connecting rod 54 is rotatably mounted on the outer shell 1, the fifth bevel gear 51 is fixedly mounted at the bottom end of the fourth connecting rod 54, the sixth bevel gear 52 is fixedly mounted at the top end of the fourth connecting rod 54, the fixing frame 56 is fixedly mounted at the upper end of the outer shell 1, the mounting rod 55 is mounted on the fixing frame 56 through a torsion spring, the seventh bevel gear 53 is fixedly mounted at one end of the mounting rod 55, the seventh bevel gear 53 is meshed with the sixth bevel gear 52, one end of the fifth connecting rod 57 is mounted at the other end of the mounting rod 55 through a universal joint, the other end of the fifth connecting rod 57 is hinged to one end of the sixth connecting rod 58, the sixth connecting rod 58 is slidably mounted on the flow pipe 21, the sealing piston 59 is slidably mounted in the flow pipe 21, the sealing piston 59 is fixedly mounted on the other end of the sixth connecting rod 58, and the stopper 510 is fixedly mounted on the fixing frame 56.

In a specific operation, the first connecting rod 4 drives the fourth bevel gear 5 to mesh with the fifth bevel gear 51 during a movement process, the fourth connecting rod 54 can drive the sixth bevel gear 52 to rotate, and further drives the seventh bevel gear 53 to rotate, and further drives the mounting rod 55 to rotate, and further drives the fifth connecting rod 57 to move, the sixth connecting rod 5 can drive the sealing piston 59 to move backward, so as to block the flow pipe 21, and thus to stop the continuous injection of water, and thus to stop heating, at this time, the rubber contracts, so that the sliding rack 43 can move in a reverse direction, and thus to drive the first bevel gear 48 to mesh with the transmission bevel gear 38, and simultaneously, the fourth bevel gear 5 is disengaged from the fifth bevel gear 51, and under the action of the torsion spring, the mounting rod 55 can rotate in a reverse direction, and then the sealing piston 59 is driven to move, so that the circulating pipeline 21 can continuously fill water into the heating bin 22, and further can continuously work, and therefore, the temperature can be timely reduced when the rubber is excessively expanded, and the rubber is protected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.