CN217921466U

CN217921466U - Solidification additive pay-off frock

Info

Publication number: CN217921466U
Application number: CN202221259637.9U
Authority: CN
Inventors: 马红雨; 薛朝荣
Original assignee: Anhui Tongtai New Material Technology Co ltd
Current assignee: Anhui Tongtai New Material Technology Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-29
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to the technical field of feeding tools, in particular to a curing additive feeding tool, which reduces the time for extracting the curing additive by increasing the internal pressure and has high working efficiency; the utility model discloses a platform, the storage vat, the liquid reserve tank, the pressure disk, the liquid feeding pipe, the drain pipe, a piston cylinder, a piston, cylinder and conveying pipe, the lower terminal surface of platform is provided with a plurality of landing legs, the storage vat is installed on the support frame of platform, the liquid reserve tank is installed in the storage vat, the pressure disk is pressed on the liquid reserve tank, the liquid feeding pipe passes the pressure disk and stretches into in the liquid reserve tank, the drain pipe passes the storage vat and stretches into in the liquid reserve tank, the vertical middle part of installing at the platform of a piston section of thick bamboo, the output of drain pipe and the feed inlet intercommunication of a piston section of thick bamboo, piston horizontal slidable mounting is in the inside of a piston section of thick bamboo, the inside wall sealing contact of piston and a piston section of thick bamboo, the upper end of a piston cylinder is provided with the mounting bracket, the stiff end of cylinder is installed on the mounting bracket, the removal end of cylinder is connected with the up end of piston, the discharge gate intercommunication of the input piston section of thick bamboo of conveying pipe.

Description

Solidification additive pay-off frock

Technical Field

The utility model relates to a technical field of pay-off frock especially relates to a solidification additive pay-off frock.

Background

The curing additive is a substance or a mixture for promoting or controlling a curing reaction, the curing additive is mostly viscous liquid, the curing additive and a product raw material are required to be conveyed into a forming die in production, the curing additive and the product raw material are fully mixed and quickly cured and hardened in the forming die to form a product, a feeding tool of the curing additive generally directly injects the curing additive into a charging basket, and a quantitative mechanism extracts a certain amount of the curing additive.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a through increasing the time that internal pressure reduced extraction solidification additive, solidification additive pay-off frock that work efficiency is high.

The utility model discloses a solidification additive pay-off frock, which comprises a platform, the storage vat, the liquid reserve tank, the pressure disk, the liquid feeding pipe, the drain pipe, a piston cylinder, piston, cylinder and conveying pipe, the lower terminal surface of platform is provided with a plurality of landing legs, the left part of the up end of platform is provided with the support frame, the storage vat is installed on the support frame, the inside of storage vat is provided with the cavity, the liquid reserve tank is installed in the bottom of the cavity of storage vat, pressure disk slidable mounting is in the cavity of storage vat, the lower terminal surface of pressure disk contacts with the up end of liquid reserve tank, the output of liquid feeding pipe passes the inside intercommunication of pressure disk and liquid reserve tank, the input of liquid feeding pipe stretches out the top of storage vat, be provided with the valve on the liquid feeding pipe, the input of drain pipe passes the storage vat and stretches into the inside of liquid reserve tank, the output of drain pipe is provided with the check valve, the piston cylinder is vertically installed at the middle part of the up end of platform, the output of drain pipe communicates with the feed inlet of piston cylinder, piston horizontal slidable mounting is installed in the inside of piston cylinder, the inside of piston cylinder is in sealed contact with the inside of piston cylinder, the sealed contact with the upper end of mounting bracket, the discharge gate of vertical conveying pipe is connected, the vertical discharge gate of mounting bracket; the input end of the liquid feeding pipe is connected with an external solidified additive supply system, solidified additives are input into the liquid storage bag through the liquid feeding pipe, the liquid storage bag is filled with the liquid storage bag and rises, the upper end face of the liquid storage bag pushes the pressure plate to rise along the inner wall of the storage barrel, the solidified additives in the liquid storage bag increase in pressure under the action of gravity of the pressure plate, the moving end of the air cylinder contracts for a certain length and drives the piston to rise for a certain height in the piston cylinder, negative pressure is formed in the piston cylinder, the solidified additives in the liquid storage bag push the one-way valve of the liquid discharging pipe to quickly infuse into the piston cylinder under the action of gravity of the pressure plate and atmospheric pressure, the air cylinder extends after the piston cylinder is filled with certain solidified additives, the piston is pushed to descend by the moving end of the air cylinder, the one-way valve of the liquid discharging pipe is closed at the moment, the one-way valve of the solidified additives push the material feeding pipe to convey the forming die, the time of extracting the solidified additives is shortened, and the working efficiency is improved.

Preferably, the material storage barrel further comprises two sliding sleeves, two sliding rods, two weight plates and a plurality of nuts, the upper end face of the material storage barrel is provided with two through holes, the two sliding sleeves are respectively installed in the two through holes, the two sliding rods are respectively connected with the two sliding sleeves in a sliding manner, the lower ends of the two sliding rods are respectively connected with the upper end face of the pressure plate, the upper ends of the two sliding rods respectively extend out of the upper end face of the material storage barrel, the top ends of the two sliding rods are respectively provided with threads, the two weight plates are respectively sleeved on the top ends of the two sliding rods, the plurality of nuts are respectively and actively screwed on the two sliding rods, and the plurality of nuts are respectively positioned above and below the two weight plates; two slide bars and two sliding sleeve limit fit for the pressure disk keeps the horizontality when reciprocating, improves the pressure stability of pressure disk to the reservoir, according to the speed of filling the solidification additive, selects the weight plate of suitable weight, and fastens two weight plates on two slide bars through a plurality of nuts, improve equipment's commonality.

Preferably, the storage bin further comprises a lower groove, an upper groove and a limit switch, wherein the lower part of the outer wall of one sliding rod is provided with the lower groove, the upper part of the outer wall of the sliding rod is provided with the upper groove, the limit switch is arranged on the upper end surface of the storage bin, an upper roller of a contact arm of the limit switch is in rolling contact with the outer wall of the sliding rod, and the roller is aligned with the lower groove and the upper groove; when the slide bar descends to enable the idler wheel of the limit switch to fall into the upper groove, the limit switch sends a signal to control the valve on the liquid adding pipe to be opened, the curing additive is input into the liquid storage bag through the liquid adding pipe, the liquid storage bag is filled with the rising to push the pressure plate and the slide bar to rise, when the idler wheel of the limit switch falls into the lower groove, the limit switch sends a signal to control the valve on the liquid adding pipe to be closed, automatic supplement of the curing additive is achieved, and the practicability of the device is improved.

Preferably, the piston device further comprises two piston cylinder sliding sleeves and two piston sliding rods, two openings are formed in the upper end face of the piston cylinder, the two piston cylinder sliding sleeves are respectively installed on the two openings, the two piston sliding rods are respectively installed in the two piston cylinder sliding sleeves in a sliding mode, the lower ends of the two piston sliding rods are connected with the upper end face of the piston, the upper ends of the two piston sliding rods extend out of the upper portion of the piston cylinder, and avoidance openings of the two piston sliding rods are formed in an installation frame on the piston cylinder; the two piston cylinder sliding sleeves and the two piston sliding rods are guided and limited to limit the piston, so that the piston is prevented from rotating and shaking, and the sealing performance of the piston is improved.

Preferably, the quantitative device further comprises a quantitative block and a locking screw rod, the quantitative block is slidably sleeved on the moving end of the cylinder, the quantitative block is positioned below the mounting frame of the piston cylinder, the locking screw rod is rotatably screwed on the quantitative block, and the inner end of the locking screw rod is contacted with the moving end of the cylinder; the position of the quantitative block on the moving end of the air cylinder is adjusted, the locking screw is screwed down, the quantitative block is fastened on the moving end of the air cylinder, when the moving end of the air cylinder contracts upwards to enable the quantitative block to be in contact with the mounting frame of the piston cylinder, the solidification additive stops being extracted, quantitative adjustment is carried out according to the using amount of the solidification additive, and the universality of equipment is improved.

Preferably, the quantitative device further comprises a baffle plate and a feeding switch, wherein the baffle plate is arranged on the outer wall of the quantitative block, the feeding switch is arranged on an installation frame of the piston cylinder, and a contact arm of the feeding switch is aligned with the baffle plate; when the cylinder contracts to drive the quantitative block to ascend, and the baffle is made to touch the contact arm of the feeding switch, the feeding switch sends out a signal, the equipment judges that the curing additive is quantitatively completed, and the cylinder is controlled to extend to convey the curing additive to a forming die through the feeding pipe, so that the practicability of the equipment is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the input end of the liquid feeding pipe is connected with an external solidified additive supply system, solidified additives are input into the liquid storage bag through the liquid feeding pipe, the liquid storage bag is filled with the liquid storage bag and rises, the upper end face of the liquid storage bag pushes the pressure plate to rise along the inner wall of the storage barrel, the solidified additives in the liquid storage bag increase in pressure under the action of gravity of the pressure plate, the moving end of the air cylinder contracts for a certain length and drives the piston to rise for a certain height in the piston cylinder, negative pressure is formed in the piston cylinder, the solidified additives in the liquid storage bag push the one-way valve of the liquid discharging pipe to quickly infuse into the piston cylinder under the action of gravity of the pressure plate and atmospheric pressure, the air cylinder extends after the piston cylinder is filled with certain solidified additives, the piston is pushed to descend by the moving end of the air cylinder, the one-way valve of the liquid discharging pipe is closed at the moment, the one-way valve of the solidified additives push the material feeding pipe to convey the forming die, the time of extracting the solidified additives is shortened, and the working efficiency is improved.

Drawings

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

FIG. 2 is a schematic view of the axial measurement structure of the present invention;

FIG. 3 is a schematic view of a half-section structure of a storage vat, a reservoir, a platen, etc.;

FIG. 4 is a schematic view of a half-section structure of a piston cylinder, a piston, a cylinder and the like;

in the drawings, the reference numbers: 1. a platform; 2. a material storage barrel; 3. a liquid storage bag; 4. a platen; 5. a liquid feeding pipe; 6. a liquid outlet pipe; 7. a piston cylinder; 8. a piston; 9. a cylinder; 10. a feed pipe; 11. a sliding sleeve; 12. a slide bar; 13. a weight plate; 14. a nut; 15. a lower groove; 16. an upper groove; 17. a limit switch; 18. a piston cylinder sliding sleeve; 19. a piston slide bar; 20. a quantifying block; 21. locking the screw rod; 22. a baffle plate; 23. a feeding switch.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

A solidified additive feeding tool comprises a platform 1, a storage barrel 2, a liquid storage bag 3, a pressure plate 4, a liquid adding pipe 5, a liquid outlet pipe 6, a piston barrel 7, a piston 8, an air cylinder 9 and a feeding pipe 10, wherein a plurality of support legs are arranged on the lower end face of the platform 1, a support frame is arranged on the left portion of the upper end face of the platform 1, the storage barrel 2 is installed on the support frame, a cavity is arranged inside the storage barrel 2, the liquid storage bag 3 is installed at the bottom of the cavity of the storage barrel 2, the pressure plate 4 is installed in the cavity of the storage barrel 2 in a sliding mode, the lower end face of the pressure plate 4 is in contact with the upper end face of the liquid storage bag 3, the output end of the liquid adding pipe 5 penetrates through the pressure plate 4 to be communicated with the inside of the liquid storage bag 3, the input end of the liquid adding pipe 5 extends out of the upper portion of the storage barrel 2, the input end of the liquid outlet pipe 6 penetrates through the interior of the storage barrel 2 to extend into the interior of the liquid storage barrel 3, a one-way valve is arranged at the output end of the upper end face of the piston barrel 7, the piston barrel 7 is vertically installed in the middle of the mounting frame of the platform 1, the piston barrel, the piston 8 is communicated with the inlet end of the air cylinder 9, and the fixed end of the piston 7, and the piston of the air cylinder 10 is arranged at the fixed end of the piston barrel; the input end of the liquid adding pipe 5 is connected with an external solidified additive supply system, solidified additives are input into the liquid storage bag 3 through the liquid adding pipe 5, the liquid storage bag 3 is filled and expanded, the upper end face of the liquid storage bag 3 pushes the pressure plate 4 to rise along the inner wall of the storage barrel 2, the solidified additive pressure inside the liquid storage bag 3 is increased under the action of gravity of the pressure plate 4, the moving end of the air cylinder 9 contracts for a certain length to drive the piston 8 to rise to a certain height in the piston cylinder 7, negative pressure is formed inside the piston cylinder 7, the solidified additives in the liquid storage bag 3 push open the one-way valve of the liquid outlet pipe 6 to be quickly infused into the piston cylinder 7 under the action of gravity and atmospheric pressure of the pressure plate 4, after the piston cylinder 7 is filled with certain solidified additives, the air cylinder 9 extends, the moving end of the air cylinder 9 pushes the piston 8 to move downwards, at the one-way valve of the liquid outlet pipe 6 is closed, the solidified additives push open the one-way valve of the material conveying pipe 10 to be conveyed to a forming die, the time of extracting the solidified additives is shortened, and the working efficiency is improved.

Example 2

A solidified additive feeding tool comprises a platform 1, a storage barrel 2, a liquid storage bag 3, a pressure plate 4, a liquid feeding pipe 5, a liquid outlet pipe 6, a piston barrel 7, a piston 8, a cylinder 9 and a feeding pipe 10, wherein a plurality of support legs are arranged on the lower end face of the platform 1, a support frame is arranged on the left portion of the upper end face of the platform 1, the storage barrel 2 is arranged on the support frame, a cavity is arranged inside the storage barrel 2, the liquid storage bag 3 is arranged at the bottom of the cavity of the storage barrel 2, the pressure plate 4 is slidably arranged in the cavity of the storage barrel 2, the lower end face of the pressure plate 4 is in contact with the upper end face of the liquid storage bag 3, the output end of the liquid feeding pipe 5 penetrates through the pressure plate 4 to be communicated with the inside of the liquid storage bag 3, the input end of the liquid feeding pipe 5 extends out of the upper portion of the storage barrel 2, the input end of the liquid outlet pipe 6 penetrates through the storage barrel 2 to extend into the inside of the liquid storage bag 3, the output end of the piston 6 is provided with a one-way valve, the piston 7 is vertically arranged in the middle of the upper end face of the mounting frame, and the piston 9 is connected with the fixed end of the piston barrel 10; the material storage barrel comprises a material storage barrel 2 and is characterized by further comprising two sliding sleeves 11, two sliding rods 12, two weight plates 13 and a plurality of nuts 14, wherein two through holes are formed in the upper end face of the material storage barrel 2, the two sliding sleeves 11 are respectively installed in the two through holes, the two sliding rods 12 are respectively in sliding connection with the two sliding sleeves 11, the lower ends of the two sliding rods 12 are respectively connected with the upper end face of a pressure plate 4, the upper ends of the two sliding rods 12 respectively extend out of the upper end face of the material storage barrel 2, threads are formed in the top ends of the two sliding rods 12, the two weight plates 13 are respectively sleeved on the top ends of the two sliding rods 12, the plurality of nuts 14 are respectively in active threaded connection with the two sliding rods 12, and the plurality of nuts 14 are respectively located above and below the two weight plates 13; according to the speed of pouring the curing additive, the weight balance discs 13 with proper weight are selected, the two weight balance discs 13 are fastened on the two sliding rods 12 through the nuts 14, the two sliding rods 12 are in limit fit with the two sliding sleeves 11, so that the pressure plate 4 keeps a horizontal state when moving up and down, and the pressure stability of the pressure plate 4 on the liquid storage bag 3 is improved.

Example 3

A solidified additive feeding tool comprises a platform 1, a storage barrel 2, a liquid storage bag 3, a pressure plate 4, a liquid feeding pipe 5, a liquid outlet pipe 6, a piston barrel 7, a piston 8, a cylinder 9 and a feeding pipe 10, wherein a plurality of support legs are arranged on the lower end face of the platform 1, a support frame is arranged on the left portion of the upper end face of the platform 1, the storage barrel 2 is arranged on the support frame, a cavity is arranged inside the storage barrel 2, the liquid storage bag 3 is arranged at the bottom of the cavity of the storage barrel 2, the pressure plate 4 is slidably arranged in the cavity of the storage barrel 2, the lower end face of the pressure plate 4 is in contact with the upper end face of the liquid storage bag 3, the output end of the liquid feeding pipe 5 penetrates through the pressure plate 4 to be communicated with the inside of the liquid storage bag 3, the input end of the liquid feeding pipe 5 extends out of the upper portion of the storage barrel 2, the input end of the liquid outlet pipe 6 penetrates through the storage barrel 2 to extend into the inside of the liquid storage bag 3, the output end of the piston 6 is provided with a one-way valve, the piston 7 is vertically arranged in the middle of the upper end face of the mounting frame, and the piston 9 is connected with the fixed end of the piston barrel 10; the piston cylinder is characterized by further comprising two piston cylinder sliding sleeves 18 and two piston slide bars 19, the upper end face of the piston cylinder 7 is provided with two openings, the two piston cylinder sliding sleeves 18 are respectively installed on the two openings, the two piston slide bars 19 are respectively installed in the two piston cylinder sliding sleeves 18 in a sliding mode, the lower ends of the two piston slide bars 19 are connected with the upper end face of the piston 8, the upper ends of the two piston slide bars 19 extend out of the upper portion of the piston cylinder 7, and an avoiding opening of the two piston slide bars 19 is formed in an installation frame on the piston cylinder 7; the quantitative cylinder is characterized by further comprising a quantitative block 20 and a locking screw 21, wherein the quantitative block 20 is slidably sleeved on the moving end of the cylinder 9, the quantitative block 20 is located below the mounting frame of the piston cylinder 7, the locking screw 21 is rotatably screwed on the quantitative block 20, and the inner end of the locking screw 21 is in contact with the moving end of the cylinder 9; the quantitative feeding device also comprises a baffle plate 22 and a feeding switch 23, wherein the baffle plate 22 is arranged on the outer wall of the quantitative block 20, the feeding switch 23 is arranged on a mounting frame of the piston cylinder 7, and a contact arm of the feeding switch 23 is aligned with the baffle plate 22; the two piston cylinder sliding sleeves 18 and the two piston sliding rods 19 are guided and limited, the piston 8 is prevented from rotating and shaking, the sealing performance of the piston 8 is improved, when quantitative adjustment is carried out according to the using amount of the solidified additive, the position of the quantitative block 20 on the moving end of the cylinder 9 is adjusted, the locking screw 21 is screwed, the quantitative block 20 is fastened on the moving end of the cylinder 9, when the moving end of the cylinder 9 contracts upwards to enable the quantitative block 20 to be in contact with the mounting frame of the piston cylinder 7, the solidified additive stops being extracted, when the cylinder 9 contracts to drive the quantitative block 20 to ascend, and the baffle 22 is made to touch the contact arm of the feeding switch 23, the feeding switch 23 sends a signal, the equipment judges that the solidified additive is quantitatively completed, and controls the cylinder 9 to extend to convey the solidified additive to a forming die through the feeding pipe 10, and the practicability of the equipment is improved.

As shown in fig. 1 to 4, the utility model relates to a feeding tool for curing additive, when in operation, firstly the input end of the liquid feeding pipe 5 is connected with the external curing additive supply system, then when the slide bar 12 descends to make the roller of the limit switch 17 fall into the upper groove 16, the limit switch 17 sends a signal to control the valve on the liquid feeding pipe 5 to open, the curing additive is inputted into the liquid storage bag 3 through the liquid feeding pipe 5, the liquid storage bag 3 is filled with the rising to push the pressure plate 4 and the slide bar 12 to rise, when the roller of the limit switch 17 falls into the lower groove 15, the limit switch 17 sends a signal to control the valve on the liquid feeding pipe 5 to close, the two sliding sleeves 11 and the two slide bars 12 carry out limit guidance to the pressure plate 4, then the position of the metering block 20 on the moving end of the cylinder 9 is adjusted, the locking screw 21 is screwed, the metering block 20 is fastened on the moving end of the cylinder 9, the moving end of the air cylinder 9 contracts for a certain length, the piston 8 is driven to rise for a certain height in the piston cylinder 7, negative pressure is formed inside the piston cylinder 7, the solidified additive in the liquid storage bag 3 is enabled to be ejected out of the one-way valve of the liquid outlet pipe 6 under the action of gravity of the pressure plate 4 and atmospheric pressure to be quickly infused into the piston cylinder 7, when the moving end of the air cylinder 9 contracts upwards to enable the quantitative block 20 to be in contact with the mounting frame of the piston cylinder 7, the solidified additive stops being extracted, finally the baffle plate 22 touches the contact arm of the feeding switch 23, the feeding switch 23 sends a signal, the equipment judges that the solidified additive is quantitatively completed, the air cylinder 9 is controlled to extend, the moving end of the air cylinder 9 pushes the piston 8 to move downwards, at the moment, the one-way valve of the liquid outlet pipe 6 is closed, and the one-way valve of the solidified additive ejecting and feeding pipe 10 is used for conveying the forming mold.

The utility model discloses the main function who realizes does: by increasing the internal pressure, the time for extracting the curing additive is reduced, and the working efficiency is high.

The utility model discloses a curing additive feeding tool, the installation mode, the connection mode or the setting mode of which are common mechanical modes, and the tool can be implemented as long as the beneficial effects can be achieved; the utility model discloses a platform 1, storage vat 2, reservoir 3, sliding sleeve 11, slide bar 12, nut 14, cylinder 9, limit switch 17, pay-off switch 23 of solidification additive pay-off frock are purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A solidified additive feeding tool is characterized by comprising a platform (1), a storage barrel (2), a liquid storage bag (3), a pressure plate (4), a liquid feeding pipe (5), a liquid outlet pipe (6), a piston cylinder (7), a piston (8), a cylinder (9) and a feeding pipe (10), wherein a plurality of supporting legs are arranged on the lower end face of the platform (1), a supporting frame is arranged on the left portion of the upper end face of the platform (1), the storage barrel (2) is installed on the supporting frame, a cavity is arranged inside the storage barrel (2), the liquid storage bag (3) is installed at the bottom of the cavity of the storage barrel (2), the pressure plate (4) is slidably installed in the cavity of the storage barrel (2), the lower end face of the pressure plate (4) is in contact with the upper end face of the liquid storage bag (3), the output end of the liquid feeding pipe (5) penetrates through the pressure plate (4) to be communicated with the inside of the liquid storage barrel (3), the input end of the liquid feeding pipe (5) extends out of the pressure plate (2), a valve is arranged on the storage barrel (5), the input end of the liquid storage pipe (6) penetrates through the liquid storage barrel (2) to extend into the liquid storage barrel (3), the liquid outlet pipe (7) and the piston of the liquid outlet pipe (7) is arranged on the middle of the platform, the piston of the liquid feeding pipe (6), and the piston (7), piston (8) horizontal sliding installs in the inside of piston cylinder (7), piston (8) and the inside wall sealing contact of piston cylinder (7), the upper end of piston cylinder (7) is provided with the mounting bracket, the stiff end of cylinder (9) is installed on the mounting bracket, the removal end of cylinder (9) is connected with the up end of piston (8), the discharge gate intercommunication of input piston cylinder (7) of conveying pipe (10), the output of conveying pipe (10) is vertical to have a check valve.

2. The curing additive feeding tool as claimed in claim 1, further comprising two sliding sleeves (11), two sliding rods (12), two weight plates (13), and a plurality of nuts (14), wherein two through holes are formed in the upper end surface of the storage barrel (2), the two sliding sleeves (11) are respectively installed in the two through holes, the two sliding rods (12) are respectively slidably connected with the two sliding sleeves (11), the lower ends of the two sliding rods (12) are both connected with the upper end surface of the pressure plate (4), the upper ends of the two sliding rods (12) respectively extend out of the upper end surface of the storage barrel (2), the top ends of the two sliding rods (12) are both provided with threads, the two weight plates (13) are respectively sleeved on the top ends of the two sliding rods (12), the plurality of nuts (14) are respectively and actively screwed on the two sliding rods (12), and the plurality of nuts (14) are respectively located above and below the two weight plates (13).

3. The feeding tool for the curing additive as claimed in claim 2, further comprising a lower groove (15), an upper groove (16) and a limit switch (17), wherein the lower portion of the outer wall of one sliding rod (12) is provided with the lower groove (15), the upper portion of the outer wall of the sliding rod (12) is provided with the upper groove (16), the limit switch (17) is installed on the upper end face of the storage barrel (2), a roller on a contact arm of the limit switch (17) is in rolling contact with the outer wall of the sliding rod (12), and the roller is aligned with the lower groove (15) and the upper groove (16).

4. The curing additive feeding tool as claimed in claim 1, further comprising two piston cylinder sliding sleeves (18) and two piston sliding rods (19), wherein two openings are formed in the upper end face of the piston cylinder (7), the two piston cylinder sliding sleeves (18) are respectively installed on the two openings, the two piston sliding rods (19) are respectively slidably installed in the two piston cylinder sliding sleeves (18), the lower ends of the two piston sliding rods (19) are connected with the upper end face of the piston (8), the upper ends of the two piston sliding rods (19) extend out of the upper portion of the piston cylinder (7), and an avoiding opening for the two piston sliding rods (19) is formed in a mounting frame on the piston cylinder (7).

5. The curing additive feeding tool as claimed in claim 4, further comprising a metering block (20) and a locking screw (21), wherein the metering block (20) is slidably sleeved on the moving end of the air cylinder (9), the metering block (20) is located below the mounting frame of the piston cylinder (7), the locking screw (21) is rotatably screwed on the metering block (20), and the inner end of the locking screw (21) is in contact with the moving end of the air cylinder (9).

6. The curing additive feeding tool as claimed in claim 5, further comprising a baffle plate (22) and a feeding switch (23), wherein the baffle plate (22) is arranged on the outer wall of the dosing block (20), the feeding switch (23) is mounted on the mounting frame of the piston cylinder (7), and a contact arm of the feeding switch (23) is aligned with the baffle plate (22).