CN112875065A

CN112875065A - Constant-temperature storage method for synthetic PU resin

Info

Publication number: CN112875065A
Application number: CN202110044426.7A
Authority: CN
Inventors: 罗颖邱; 曹雅宁
Original assignee: Individual
Current assignee: Hunan Haichuan New Materials Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-06-01
Anticipated expiration: 2041-01-13
Also published as: CN112875065B

Abstract

The invention relates to the field of storage tanks, in particular to a constant-temperature storage method for synthetic PU resin. The extension mechanisms are arranged on the two sides and the front and the rear parts of the seat board, and the extension plates of the extension mechanisms can be pulled out of the interior of the seat board, so that the support area of the lower end of the chair is increased, and the phenomenon that the chair cannot be stably placed on the ground due to partial unevenness of the ground where the chair is placed is avoided.

Description

Constant-temperature storage method for synthetic PU resin

Technical Field

The invention relates to the field of storage tanks, in particular to a constant-temperature storage method for synthetic PU resin.

Background

Synthetic resins are a class of high molecular polymers synthesized by man, which are viscous liquids or heat-softenable solids, and are generally stored in thermostatic storage tanks after production processing.

At present used holding vessel is mostly directly put subaerial when placing, and the holding vessel is mostly only supported by the structure of the support of lower extreme installation and the like, if there is partial unevenness on the ground of placing, when placing, the jar body rocks easily, receives the striking of external force when the jar body, and the jar body takes place to empty, falls down subaerial, appears damaging, if a plurality of holding vessels have been placed to the holding vessel periphery of empting, can hit on other holding vessels when empting, has increased the loss of producer.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a constant-temperature storage method for synthetic PU resin, which solves the problems that most of storage tanks used at present are directly placed on the ground when placed, the storage tanks are supported only by a support and other structures arranged at the lower end, the tank body is easy to shake when placed if the placed ground is partially uneven, the tank body is toppled over and falls down on the ground when impacted by external force, the tank body is damaged, and the storage tanks can be bumped against other storage tanks when toppled over if the periphery of the toppled storage tank is provided with a plurality of storage tanks, so that the loss of manufacturers is increased.

The technical scheme adopted by the invention for solving the technical problems is as follows: a constant-temperature storage method for synthetic PU resin comprises the following steps:

s1: according to specific conditions, firstly placing a storage tank at a corresponding position, switching on a power supply, and storing the synthesized PU resin at constant temperature by using the storage tank;

s2: the hydraulic cylinder is started, the hydraulic cylinder descends the fixing ring, meanwhile, the third spring downwards extrudes the fixing ring, the load of the hydraulic cylinder is reduced, the first support is made to slide downwards while the fixing ring descends, the support plate descends, the first support can continuously extrude the first spring, the support plate rotates on the first support and the second support, the lower end of the support plate can gradually pull the extension plate out of the fixing groove, meanwhile, the extension plate can continuously stretch the second spring, and after the extension plate is pulled out of the fixing groove, the support area of the lower end of the tank body can be enlarged;

the holding vessel that adopts in S1 includes a jar body, first spout has all been seted up at the both sides of the jar body and front and back side middle part, supporting mechanism is all installed to the both sides of the jar body and front and back side, supporting mechanism is connected with elevating system jointly, extrusion mechanism is installed to the upper end of the jar body, extrusion mechanism and elevating system are connected, the second spout has all been seted up on the both sides upper end inner wall of jar body front and back portion, the equal fixedly connected with pillar in lower extreme both sides of the jar body, the common fixedly connected with bedplate of lower extreme of pillar, the fixed slot has all been seted up to the lower extreme both sides of bedplate and front and back portion, the fixed slot all communicates with each other with the peripheral outside of bedplate, extension mechanism is all installed to the inside of fixed slot.

Specifically, the supporting mechanisms all comprise first supports, the first supports are all in a U-shaped structure, openings of the first supports face the side far away from the tank body, the first sliding blocks are fixedly connected to the side, close to the tank body, of the first supports, the first sliding blocks are all slidably connected to the inside of first sliding grooves on the same side, first positioning rods are all penetratingly and slidably connected to the inside of the first sliding blocks, the upper ends and the lower ends of the first positioning rods are respectively fixedly connected to the inner walls of the upper ends and the lower ends of the first sliding grooves, first springs are sleeved on the outer walls of the portion, below the first sliding blocks, of the circumferences of the first positioning rods, the upper ends of the first springs are fixedly connected to the lower ends of the first sliding blocks on the same side, the lower ends of the first springs are fixedly connected to the inner walls of the lower ends of the first sliding grooves, fixing plates are fixedly connected to the upper ends of the first supports, supporting plates are rotatably connected to the inside of the, the backup pad all is the slope setting, the lower extreme of backup pad all is connected with the second support through the rotation of second pivot, the second support all is U-shaped structure and opening all up.

Specifically, elevating system includes four support plates, four support plate difference fixed connection is four at the front and back both sides lower extreme of the jar body the equal fixedly connected with pneumatic cylinder in upper end of support plate, the piston rod of pneumatic cylinder is all up, the solid fixed ring of the common fixedly connected with in piston rod upper end of pneumatic cylinder, solid fixed ring cover is established in the outside of the jar body, gu fixed ring's lower extreme and supporting mechanism's fixed plate upper end fixed connection.

Specifically, all overlap on the piston rod middle part outer wall of pneumatic cylinder and establish and sliding connection has first limiting plate, first limiting plate all with the outer wall fixed connection of the jar body.

Specifically, the extrusion mechanism includes two diaphragms, two the diaphragm is located the front and back upper end at the jar body respectively, two the both sides of diaphragm all run through perpendicularly and sliding connection has the second locating lever, the upper end of second locating lever is all overlapped and is established and sliding connection has the second limiting plate, the second limiting plate all with the outer wall fixed connection of the jar body, all overlap on the partial second locating lever circumference outer wall between second limiting plate and the homonymy diaphragm and be equipped with the third spring, the equal fixed connection in upper end of third spring is at the lower extreme of homonymy second limiting plate, the equal fixed connection in lower extreme of third spring is in homonymy diaphragm upper end, two connecting plates of the equal fixedly connected with in lower extreme middle part of diaphragm, the equal fixed connection in lower extreme of connecting plate is in elevating system's solid fixed ring upper end.

The equal fixedly connected with second slider in one side both ends that the diaphragm is close to the jar body, the equal sliding connection of second slider is in the inside of homonymy second spout.

Specifically, the extension mechanisms comprise extension plates which penetrate through and are slidably connected with the fixed grooves, the upper ends of one sides of the extension plates, which are positioned outside the fixed grooves, are fixedly connected with the lower ends of the second supports of the supporting mechanisms on the same side, the inside of the extension board is provided with a first slot, the opening of the first slot is arranged at one side of the extension board close to the middle part of the seat board, the inner walls of the first slots at one side far away from the middle part of the seat board are all provided with jacks, the jacks are all penetrated and are connected with inserting rods in a sliding way, one end of the inserted link penetrating through the inserted hole is fixedly connected with the inner wall of the fixed groove, the partial circumference outer wall of the inserted link in the first slot at the same side is sleeved with a second spring, one end of the second spring close to the middle part of the seat board is fixedly connected on the inner wall of the fixed groove, the one end that the bedplate middle part was kept away from to the second spring is all fixed connection on the inner wall of the first slot in place.

Specifically, the second slot has all been seted up in the outside of jack, the jack that the second slot was all seted up on the extension board with the place is located same central line, the inside of second slot all runs through and sliding connection has the intubate, the intubate runs through the equal fixed connection of one end of place second slot on the inner wall of place fixed slot.

The invention has the beneficial effects that:

1. the extension mechanisms are arranged on the two sides and the front and the rear parts of the seat board, and the extension plates of the extension mechanisms can be pulled out of the interior of the seat board, so that the support area of the lower end of the chair is increased, and the phenomenon that the ground on which the chair is placed is partially uneven, so that the chair cannot be stably placed on the ground and is rocked is avoided.

2. The support mechanisms are arranged on the two sides and the front side and the rear side of the tank body, the lower ends of the support plates of the support mechanisms are arranged on the extension plates of the extension mechanisms on the same side through the second support seats, and the middle of the tank body is supported by the four support plates when the tank is used, so that the tank is prevented from being easily toppled over, falling onto the ground and damaged.

3. The supporting plate can separate each tank body while supporting the tank body, thereby avoiding the collision of other tank bodies around the tank body when a single tank body is toppled over and reducing the loss of a manufacturer.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a flow chart of a method of the present invention;

FIG. 2 is a cut-away view of a storage tank employed in the present invention;

FIG. 3 is a schematic view of a support mechanism in a storage tank according to the present invention;

FIG. 4 is a sectional view of the bottom of the seat plate of the storage tank used in the present invention;

FIG. 5 is a schematic view of the structure of the spreading mechanism in the storage tank according to the present invention;

FIG. 6 is a view of the area A in FIG. 5;

FIG. 7 is a schematic view of the external structure of a storage tank used in the present invention;

fig. 8 is a schematic diagram of the structure of the first limiting plate and the second limiting plate in the storage tank according to the present invention.

In the figure: 1. a tank body; 2. a first chute; 3. a support mechanism; 31. a first support; 32. a first slider; 33. a fixing plate; 34. a first positioning rod; 35. a first spring; 36. a first rotating shaft; 37. a support plate; 38. a second rotating shaft; 39. a second support; 4. a pillar; 5. a seat plate; 6. fixing grooves; 7. an extension mechanism; 71. a stretching plate; 72. a first slot; 73. a jack; 74. inserting a rod; 75. a second spring; 76. a second slot; 77. inserting a tube; 8. a lifting mechanism; 81. a carrier plate; 82. a hydraulic cylinder; 83. a fixing ring; 84. a first limit plate; 9. an extrusion mechanism; 91. a transverse plate; 92. a second slider; 93. a second positioning rod; 94. a second limiting plate; 95. a third spring; 96. a connecting plate; 10. a second runner.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in FIGS. 1 to 8, the constant temperature storage method of synthetic PU resin of the present invention comprises the following steps:

s2: the hydraulic cylinder 82 is started, the hydraulic cylinder 82 lowers the fixing ring 83, the third spring 95 presses the fixing ring 83 downwards, the load of the hydraulic cylinder 82 is reduced, the fixing ring 83 is lowered, the first support 31 slides downwards, the support plate 37 is lowered, the first support 31 continuously presses the first spring 35, the support plate 37 rotates on the first support 31 and the second support 39, the lower end of the support plate 37 gradually pulls the extension plate 71 out of the fixing groove 6, the extension plate 71 continuously pulls the second spring 75, and after the extension plate 71 is pulled out of the fixing groove 6, the support area of the lower end of the tank body 1 is enlarged;

the storage tank adopted in the S1 comprises a tank body 1, wherein first sliding grooves 2 are respectively arranged on the two sides and the middle parts of the front side and the rear side of the tank body 1, supporting mechanisms 3 are respectively arranged on the two sides and the front side and the rear side of the tank body 1, the supporting mechanisms 3 are jointly connected with a lifting mechanism 8, an extrusion mechanism 9 is arranged at the upper end of the tank body 1, the extrusion mechanism 9 is connected with the lifting mechanism 8, second sliding grooves 10 are respectively arranged on the inner walls of the upper ends of the front side and the rear side of the tank body 1, a supporting column 4 is fixedly connected with the two sides of the lower end of the tank body 1, a seat plate 5 is jointly and fixedly connected with the lower end of the supporting column 4, fixing grooves 6 are respectively arranged on the two sides and the front side and the rear side of the lower end of the seat plate 5, the fixing grooves 6 are, the extension mechanism 7 is pulled through the support mechanism 3, so that the support mechanism 3 and the extension mechanism 7 can support the tank body 1 together.

Specifically, the supporting mechanisms 3 each include a first support 31, the first supports 31 are each U-shaped and have an opening facing a side away from the tank body 1, a first slider 32 is fixedly connected to a side of the first support 31 close to the tank body 1, the first sliders 32 are each slidably connected to the inside of the first chute 2 on the same side, a first positioning rod 34 penetrates and is slidably connected to the inside of the first slider 32, the upper and lower ends of the first positioning rod 34 are each fixedly connected to the inner walls of the upper and lower ends of the first chute 2, a first spring 35 is sleeved on the outer wall of a part of the circumference of the first positioning rod 34 below the first slider 32, the upper end of the first spring 35 is fixedly connected to the lower end of the first slider 32 on the same side, the lower end of the first spring 35 is fixedly connected to the inner wall of the lower end of the first chute 2, a fixing plate 33 is fixedly connected to the upper end of the first support 31, the inside of first support 31 all rotates through first pivot 36 and is connected with backup pad 37, backup pad 37 all is the slope setting, the lower extreme of backup pad 37 all rotates through second pivot 38 and is connected with second support 39, second support 39 all is U-shaped structure and opening all up, supports the main part jar body 1 through backup pad 37, keeps apart every jar body 1 through backup pad 37 simultaneously, less loss.

Specifically, elevating system 8 includes four support plates 81, four support plates 81 is fixed connection respectively at the front and back both sides lower extreme of the jar body 1 four the equal fixedly connected with pneumatic cylinder 82 in upper end of support plate 81, the piston rod of pneumatic cylinder 82 all faces up, the solid fixed ring 83 of the common fixedly connected with in piston rod upper end of pneumatic cylinder 82, gu the fixed ring 83 cover is established in the outside of the jar body 1, gu the lower extreme of fixed ring 83 and the fixed plate 33 upper end fixed connection of supporting mechanism 3, all overlap on the piston rod middle part outer wall of pneumatic cylinder 82 and establish and sliding connection has first limiting plate 84, first limiting plate 84 all with the outer wall fixed connection of the jar body 1, through the solid fixed ring 83 of pneumatic cylinder 82 motion, and then make things convenient for extrusion supporting mechanism 3, utilize supporting mechanism 3 to drive extension mechanism.

Specifically, the extruding mechanism 9 includes two transverse plates 91, the two transverse plates 91 are respectively located at the upper ends of the front and rear portions of the tank body 1, two ends of one side of the two transverse plates 91 close to the tank body 1 are both fixedly connected with second sliders 92, the second sliders 92 are both slidably connected inside the second chutes 10 on the same side, both sides of the two transverse plates 91 are both vertically penetrated and slidably connected with second positioning rods 93, the upper ends of the second positioning rods 93 are both sleeved and slidably connected with second limiting plates 94, the second limiting plates 94 are both fixedly connected with the outer wall of the tank body 1, a third spring 95 is respectively sleeved on the circumferential outer wall of a part of the second positioning rods 93 between the second limiting plates 94 and the transverse plates 91 on the same side, the upper ends of the third springs 95 are both fixedly connected to the lower ends of the second limiting plates 94 on the same side, and the lower ends of the third springs 95 are both fixedly connected to the, two connecting plates 96 are fixedly connected to the middle of the lower end of the transverse plate 91, the lower ends of the connecting plates 96 are fixedly connected to the upper ends of the fixing rings 83 of the lifting mechanisms 8, the fixing rings 83 of the lifting mechanisms 8 are extruded by the third springs 95, and therefore the load of the hydraulic cylinders 82 of the lifting mechanisms 8 is reduced when the lifting mechanisms 8 move downwards.

Specifically, the extension mechanisms 7 each include an extension plate 71, the extension plates 71 are all penetrated through and slidably connected to the fixing groove 6, the upper end of one side of the extension plate 71, which is located outside the fixing groove 6, is fixedly connected to the lower end of the second support 39 of the same-side support mechanism 3, first insertion grooves 72 are all formed in the extension plates 71, openings of the first insertion grooves 72 are all arranged on one side of the extension plate 71, which is close to the middle portion of the seat plate 5, insertion holes 73 are all formed in the inner wall of one side, which is far away from the middle portion of the seat plate 5, of the first insertion grooves 72, insertion rods 74 are all penetrated through and slidably connected to the insides of the insertion holes 73, one ends of the insertion rods 74, which penetrate through the insertion holes 73, are all fixedly connected to the inner wall of the fixing groove 6, second springs 75 are all sleeved on the outer walls of the circumferences of the portions, which are located inside the first insertion rods 72, of the insertion rods 74, which are located on, one end of the second spring 75, which is far away from the middle of the seat plate 5, is fixedly connected to the inner wall of the first slot 72, the second slot 76 is formed in the outer side of each jack 73, each second slot 76 and the jacks 73 formed in the extension plates 71 are located on the same central line, each second slot 76 is internally and slidably connected with a cannula 77 in a penetrating manner, one end of each cannula 77, which penetrates through the second slot 76, is fixedly connected to the inner wall of the fixed slot 6, and the extension plates 71 are pulled out of the fixed slots 6, so that the supporting area of the lower end of the tank body 1 is enlarged, and the stability of the tank is improved.

When the novel pot is used, the novel pot is moved to a place to be placed, a power supply is connected, when the novel pot is placed, the hydraulic cylinder 82 is started through a switch arranged on the pot body 1, the hydraulic cylinder 82 lowers the fixing ring 83, the third spring 95 downwards presses the fixing ring 83, the load of the hydraulic cylinder 82 is reduced, the fixing ring 83 is lowered, the first support 31 can slide downwards, the upper end of the support plate 37 is lowered, the first support 31 can continuously press the first spring 35, the support plate 37 rotates on the first support 31 and the second support 39, the lower end of the support plate 37 can gradually pull the extension plate 71 out of the fixing groove 6, the extension plate 71 can continuously stretch the second spring 75, when the extension plate 71 is pulled out of the fixing groove 6, the support area of the lower end of the pot body 1 can be enlarged, when the novel pot is placed, if the ground is partially uneven, the extension plate 71 can cover the part of the uneven ground, when the tank is required to move again, the hydraulic cylinder 82 jacks up the fixing ring 83, the fixing ring 83 continuously extrudes the third spring 95, the third spring 95 is in an extrusion state, in the process, the first spring 35 extrudes the first support 31 upwards, the upper end of the support plate 37 is pulled up, meanwhile, the second spring 75 applies acting force close to the middle direction of the seat plate 5 to the extension plate 71, the extension plate 71 is pulled back to the inside of the fixing groove 6, the support area of the lower end of the tank body 1 is reduced, then the tank is moved to a designated position by utilizing a moving device, and the steps are repeated.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A constant-temperature storage method for synthetic PU resin is characterized by comprising the following steps:

s2: starting a hydraulic cylinder (82), descending a fixing ring (83) by the hydraulic cylinder (82), simultaneously downwards extruding the fixing ring (83) by a third spring (95), reducing the load of the hydraulic cylinder (82), downwards sliding a first support (31) while descending the fixing ring (83), descending a support plate (37), continuously extruding a first spring (35) by the first support (31), rotating the support plate (37) on the first support (31) and a second support (39), gradually pulling an extension plate (71) out of the fixing groove (6) by the lower end of the support plate (37), continuously stretching a second spring (75) by the extension plate (71), and expanding the support area of the lower end of the tank body (1) after the extension plate (71) is pulled out of the fixing groove (6);

the storage tank adopted in the S1 comprises a tank body (1), wherein first sliding grooves (2) are formed in the middle of the two sides and the front side and the rear side of the tank body (1), supporting mechanisms (3) are arranged on the two sides and the front side and the rear side of the tank body (1), the supporting mechanisms (3) are connected with a lifting mechanism (8) together, an extruding mechanism (9) is arranged at the upper end of the tank body (1), the extruding mechanism (9) is connected with the lifting mechanism (8), second sliding grooves (10) are formed in the inner walls of the upper ends of the two sides of the front part and the rear part of the tank body (1), pillars (4) are fixedly connected with the two sides of the lower end of the tank body (1), seat plates (5) are fixedly connected with the lower end of the pillars (4) together, fixing grooves (6) are formed in the two sides of the lower end and the front part and the, extension mechanisms (7) are installed in the fixing grooves (6), and the extension mechanisms (7) are connected with the supporting mechanisms (3) on the same side.

2. The constant-temperature storage method of synthetic PU resin according to claim 1, wherein: the supporting mechanisms (3) respectively comprise first supports (31), the first supports (31) are of U-shaped structures, the openings of the first supports face the side far away from the tank body (1), one sides, close to the tank body (1), of the first supports (31) are fixedly connected with first sliding blocks (32), the first sliding blocks (32) are respectively and slidably connected with the inner parts of the first sliding chutes (2) on the same side, the inner parts of the first sliding blocks (32) are respectively penetrated and slidably connected with first positioning rods (34), the upper ends and the lower ends of the first positioning rods (34) are respectively and fixedly connected onto the inner walls of the upper ends and the lower ends of the first sliding chutes (2) on the same side, first springs (35) are respectively sleeved on the outer walls of the parts, located below the first sliding blocks (32), of the first positioning rods (34), the upper ends of the first springs (35) are respectively and fixedly connected onto the lower ends of the first sliding chutes (32) on the same side, the lower ends of the first springs (35) are fixedly connected onto the inner walls of the first sliding, the equal fixedly connected with fixed plate (33) in upper end of first support (31), the inside of first support (31) all rotates through first pivot (36) and is connected with backup pad (37), backup pad (37) all are the slope setting, the lower extreme of backup pad (37) all rotates through second pivot (38) and is connected with second support (39), second support (39) all are U-shaped structure and opening all up.

3. The constant-temperature storage method of synthetic PU resin according to claim 1, wherein: elevating system (8) are including four support plates (81), four support plate (81) fixed connection respectively is at the front and back both sides lower extreme of the jar body (1), four the equal fixedly connected with pneumatic cylinder (82) in upper end of support plate (81), the piston rod of pneumatic cylinder (82) is all upwards, solid fixed ring (83) of the common fixedly connected with in piston rod upper end of pneumatic cylinder (82), gu fixed ring (83) cover is established in the outside of the jar body (1), the lower extreme of solid fixed ring (83) and fixed plate (33) upper end fixed connection of supporting mechanism (3).

4. The constant-temperature storage method of synthetic PU resin according to claim 3, wherein: all overlap on the piston rod middle part outer wall of pneumatic cylinder (82) and establish and sliding connection has first limiting plate (84), first limiting plate (84) all with the outer wall fixed connection of the jar body (1).

5. The constant-temperature storage method of synthetic PU resin according to claim 1, wherein: the extruding mechanism (9) comprises two transverse plates (91), the two transverse plates (91) are respectively positioned at the upper ends of the front part and the rear part of the tank body (1), the two sides of the two transverse plates (91) vertically penetrate through and are slidably connected with second positioning rods (93), the upper ends of the second positioning rods (93) are respectively sleeved with and are slidably connected with second limiting plates (94), the second limiting plates (94) are respectively fixedly connected with the outer wall of the tank body (1), part of the outer circumferential wall of the second positioning rods (93) between the second limiting plates (94) and the transverse plates (91) at the same side are respectively sleeved with third springs (95), the upper ends of the third springs (95) are respectively and fixedly connected with the lower ends of the second limiting plates (94) at the same side, the lower ends of the third springs (95) are respectively and fixedly connected with the upper ends of the transverse plates (91), the middle parts of the lower ends of the transverse plates (91) are respectively, the lower ends of the connecting plates (96) are fixedly connected to the upper ends of the fixing rings (83) of the lifting mechanisms (8).

6. The constant-temperature storage method of synthetic PU resin according to claim 5, wherein: two equal fixedly connected with second slider (92) in one side both ends that diaphragm (91) are close to jar body (1), equal sliding connection of second slider (92) is in the inside of homonymy second spout (10).

7. The constant-temperature storage method of synthetic PU resin according to claim 1, wherein: extension mechanism (7) all include extension board (71), extension board (71) all run through and sliding connection is in place fixed slot (6), extension board (71) are located the outside one side upper end of place fixed slot (6) and all are close to one side at bedplate (5) middle part with second support (39) lower extreme fixed connection of homonymy supporting mechanism (3), first slot (72) have all been seted up to the inside of extension board (71), the opening part of first slot (72) all sets up the one side that is close to bedplate (5) middle part at place extension board (71), jack (73) have all been seted up on one side inner wall at bedplate (5) middle part was kept away from in first slot (72), the inside of jack (73) all runs through and sliding connection has inserted bar (74), inserted bar (74) run through on the inner wall of the equal fixed connection place fixed slot (6) of one end at jack (73), all the cover is equipped with the second spring on the part circumference outer wall that inserted bar (74) are located homonymy first slot (72) inside (75) The inner wall of the fixing groove (6) is fixedly connected with one end, close to the middle of the seat plate (5), of the second spring (75), and the other end, far away from the middle of the seat plate (5), of the second spring (75) is fixedly connected with the inner wall of the first slot (72).

8. The constant-temperature storage method of synthetic PU resin according to claim 7, wherein: second slot (76) have all been seted up in the outside of jack (73), jack (73) that second slot (76) all seted up on extension board (71) with the place are located same central line, the inside of second slot (76) all runs through and sliding connection has intubate (77), the equal fixed connection of one end that intubate (77) run through place second slot (76) is on the inner wall of place fixed slot (6).