Novel template release agent applicator

By designing an automated template release agent applicator, which utilizes a threaded rod and servo motor to drive the moving frame, automatic application and easy disassembly of the application roller are achieved. This solves the problems of inconvenient cleaning and manual pushing of the application roller in existing technologies, thus improving operational efficiency and effectiveness.

CN223989624UActive Publication Date: 2026-03-13CHINA CONSTR SECOND ENG BUREAU LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

The existing mold release agent applicator is not easy to disassemble and clean after the application roller is used, resulting in mold release agent residue that affects the effect. In addition, it requires workers to manually push and apply the agent, which increases the labor intensity.

Method used

A template release agent applicator was designed, comprising a threaded rod, a guide rod, a servo motor, and a moving frame. The servo motor drives the threaded rod to move the moving frame, enabling automatic application. The fixed components facilitate the disassembly and cleaning of the application roller.

Benefits of technology

It reduces the labor intensity of workers, makes cleaning the application rollers easier, ensures the stability of the release agent's effect, and improves the convenience and efficiency of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel template release agent applicator which comprises a bottom plate, a storage box, an applying roller and a plurality of spray heads, and further comprises two U-shaped frames, the two U-shaped frames are fixedly installed at the top of the bottom plate, the tops of the two U-shaped frames are provided with the same movable frame, a threaded rod is rotatably installed in one U-shaped frame, and a threaded rod is rotatably installed in the other U-shaped frame. A guide rod is fixedly installed in the other U-shaped frame, one end of the threaded rod and one end of the U-shaped frame penetrate through the movable frame, a servo motor is fixedly installed on one side of one U-shaped frame, and the output end of the servo motor penetrates through the U-shaped frame and is coaxially connected with the threaded rod; when the device is used, the moving frame can be driven to move, workers do not need to push the moving frame, the labor intensity of the workers is reduced, time and labor are saved, the smearing roller can be detached to be cleaned or replaced, and the situation that the next template smearing effect is affected by a residual release agent is avoided.
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Description

Technical Field

[0001] This utility model belongs to the technical field of auxiliary devices for building construction, and specifically relates to a novel template release agent applicator. Background Technology

[0002] Release agent is a substance applied to the formwork before concrete pouring to prevent the formwork from sticking to the concrete surface after pouring, making it easier to remove and increasing the smoothness of the concrete surface. Its main function is to form a film between the formwork and the concrete surface, separating the two; hence, it is also called a release agent.

[0003] For example, Chinese patent CN220129070U discloses a formwork release agent application device, including a base plate with first support plates installed at both ends. Each of the first support plates on the same side of the base plate has a sliding groove on the opposite side. A moving block is installed inside the first support plate via an adjustment mechanism. A connecting shaft is installed on the opposite side of each moving block. A guide rail column is installed between the opposite connecting shafts on the same side of the base plate. A sliding sleeve is slidably fitted onto the guide rail column. A connecting plate is installed between the opposite sides of the sliding sleeves. An application mechanism is provided on the connecting plate. This device facilitates the application of release agent and is easy to operate.

[0004] The aforementioned patent has the following problems:

[0005] This patented device has several drawbacks in its use. For example, after use, some release agent remains on the application roller. If not cleaned, this can affect the effectiveness of subsequent applications. Furthermore, the application roller is not easily disassembled, making cleaning inconvenient. Additionally, the connecting plate requires manual pushing, which increases workload and is time-consuming when applying release agent to multiple templates. Therefore, a new type of template release agent applicator needs to be developed. Utility Model Content

[0006] To address the aforementioned issues, this utility model discloses a novel template release agent applicator that automatically applies the release agent, reducing the workload for workers. Furthermore, the applicator roller can be disassembled for cleaning or replacement, preventing residual release agent from affecting the application of the release agent to the template in subsequent applications.

[0007] To achieve the above objectives, the technical solution of this utility model is as follows:

[0008] A novel template release agent applicator includes a base plate, a storage tank, an application roller, and several nozzles, and further includes:

[0009] Two U-shaped frames are fixedly installed on the top sides of the base plate. The top of the two U-shaped frames is provided with an inverted U-shaped movable frame. A threaded rod is rotatably installed inside one of the U-shaped frames, and a guide rod is fixedly installed inside the other U-shaped frame. The threaded rod and the guide rod both pass through the movable frame. A servo motor is fixedly installed on one side of one of the U-shaped frames. The output end of the servo motor passes through the U-shaped frame and is coaxially connected to the threaded rod.

[0010] Two grooves are formed on the inner walls of both sides of the movable frame. A movable plate is slidably installed between the two grooves. The storage box is fixedly installed on the top of the movable plate. Several nozzles are fixedly installed on the bottom of the movable plate. A limiting groove is formed on the bottom of the movable plate. Two round rods are fixedly installed in the limiting groove. The same sliding plate is provided on the two round rods. A second spring is sleeved on the round rods. A fixed plate is fixedly installed on the bottom of the movable plate. The applicator roller is rotatably installed between the fixed plate and the sliding plate.

[0011] A drive assembly, located on a movable frame, is used to drive the movable plate to move up and down.

[0012] A fixing component is located within the movable plate and is used to fix the sliding plate.

[0013] Furthermore, the driving component includes:

[0014] Two electric push rods are fixedly installed on the top of the movable frame. The output end of each electric push rod extends through the top of the movable frame into a groove and is fixedly installed with a connecting plate. A connecting rod is fixedly installed at the bottom of the connecting plate. One end of the connecting rod passes through the movable plate and is fixedly installed with a baffle. A first spring is sleeved on the connecting rod and located between the movable plate and the connecting plate.

[0015] During operation, the operator can power on and start the two electric push rods. The output shafts of the two electric push rods will simultaneously drive the two connecting plates to move downwards. The two connecting plates will then drive the two connecting rods to move downwards, and the two connecting rods will then drive the two baffles to move downwards. At this time, under the action of the first spring's rebound force, the moving plate will also move downwards.

[0016] Furthermore, the output shaft of the electric push rod is slidably connected to the movable frame, the bottom of the movable plate is in contact with the top of the baffle, the movable plate is slidably connected to the connecting rod, and the two ends of the first spring are respectively tightly welded to the bottom of the connecting plate and the top of the movable plate.

[0017] During operation, the output shaft of the electric push rod can be inside the movable frame, ensuring that the movable plate can be blocked by the baffle, ensuring that the movable plate can slide on the connecting rod, and ensuring the structural stability of the first spring.

[0018] Furthermore, the fixing component includes:

[0019] A sliding groove is provided inside a movable plate. A limiting rod is slidably installed inside the sliding groove. A third spring, which is fixed to the inner wall of the sliding groove, is fixedly installed on the top of the limiting rod. A rotating plate is rotatably installed on one side of the sliding plate. One end of the limiting rod passes through the bottom of the sliding groove and extends into the rotating plate.

[0020] When the applicator roller needs to be disassembled, cleaned, or replaced, the operator can first move the limit rod upwards, causing it to move upwards within the groove. At this time, the third spring will be compressed and contract until one end of the limit rod is pulled out of the rotating plate. The rotating plate will then be released from its fixed position. The operator can then rotate the rotating plate and release the hand that moved the limit rod. The limit rod will move downwards and will not insert into the rotating plate. Then, the operator can hold the handle and pull it, which will cause the sliding plate to move away from the applicator roller.

[0021] Furthermore, one end of the limiting rod is inserted into the rotating plate, and the other end of the limiting rod is slidably connected to the moving plate. During operation, one end of the limiting rod can be inserted into the rotating plate to ensure that one end of the limiting rod can slide within the moving plate.

[0022] Furthermore, the movable frame is threadedly connected to the threaded rod, and the movable frame is slidably connected to the guide rod. Under the action of the thread, it is ensured that the movable frame can be displaced when the threaded rod rotates, thus ensuring that the movable frame can slide on the guide rod.

[0023] Furthermore, the output shaft of the servo motor is rotatably connected to one of the U-shaped frames, and a handle is fixedly installed on the sliding plate. When in use, the output shaft of the servo motor can rotate within one of the U-shaped frames, ensuring that the handle can be gripped to pull the sliding plate.

[0024] Furthermore, several of the nozzles are located above the coating roller, and the nozzles are linearly and equally spaced to ensure that the nozzles can uniformly spray the release agent onto the coating roller.

[0025] The two electric actuators are electrically connected. This ensures that the output shafts of both electric actuators can extend simultaneously.

[0026] The beneficial effects of this utility model are:

[0027] 1. This new type of template release agent applicator, through the cooperation of the threaded rod, guide rod, servo motor and moving frame, eliminates the need for workers to push the moving frame when it is being moved, thus reducing the labor intensity of workers and saving time and effort.

[0028] 2. This novel template release agent applicator, through the cooperation of a fixed plate, sliding plate, limiting groove, round rod, second spring, and fixing components, ensures that the applicator roller can be disassembled for cleaning or replacement, thus preventing residual release agent from affecting the effect of the next application to the template. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0030] Figure 2 This is one of the schematic diagrams of the regional structure of the movable plate in this utility model;

[0031] Figure 3 This is the second schematic diagram of the regional structure of the movable plate in this utility model;

[0032] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0033] Figure 5 This is a schematic diagram of the internal structure of the movable plate in this utility model;

[0034] Figure 6 This utility model Figure 5 Enlarged structural diagram at point B;

[0035] Figure 7 This is a schematic diagram of the regional structure of the connecting rod in this utility model.

[0036] List of identifiers in attached diagrams:

[0037] 1. Base plate; 2. U-shaped frame; 3. Threaded rod; 4. Guide rod; 5. Moving frame; 6. Groove; 7. Electric push rod; 8. Storage box; 9. Moving plate; 10. Application roller; 11. First spring; 12. Connecting plate; 13. Baffle; 14. Fixing plate; 15. Nozzle; 16. Limiting rod; 17. Rotating plate; 18. Sliding plate; 19. Handle; 20. Second spring; 21. Round rod; 22. Limiting groove; 23. Third spring; 24. Slide groove; 25. Servo motor; 26. Connecting rod. Detailed Implementation

[0038] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0039] Example 1: This example provides a novel template release agent applicator, including a base plate 1, a storage box 8, an applicator roller 10, and several nozzles 15, and further including:

[0040] Two U-shaped frames 2 are fixedly installed at both ends of the top of the base plate 1. The top of the two U-shaped frames 2 is provided with an inverted U-shaped movable frame 5. A threaded rod 3 is rotatably installed inside one of the U-shaped frames 2, and a guide rod 4 is fixedly installed inside the other U-shaped frame 2. The threaded rod 3 and the guide rod 4 both pass through the movable frame 5. A servo motor 25 is fixedly installed on one side of one of the U-shaped frames 2. The output end of the servo motor 25 passes through the U-shaped frame 2 and is coaxially connected to the threaded rod 3.

[0041] Two grooves 6 are formed on the inner walls of both sides of the movable frame 5. A movable plate 9 is slidably installed between the two grooves 6. A storage box 8 is fixedly installed on the top of the movable plate 9. Several nozzles 15 are fixedly installed on the bottom of the movable plate 9. A limiting groove 22 is formed on the bottom of the movable plate 9. Two round rods 21 are fixedly installed in the limiting groove 22. The same sliding plate 18 is provided on the two round rods 21. A second spring 20 is sleeved on the round rods 21. A fixed plate 14 is fixedly installed on the bottom of the movable plate 9. The applicator roller 10 is rotatably installed between the fixed plate 14 and the sliding plate 18.

[0042] The drive assembly is located on the movable frame 5 and is used to drive the movable plate 9 to move up and down.

[0043] A fixing component is located within the movable plate 9 and is used to fix the sliding plate 18.

[0044] In this process, the operator places the template to be coated with release agent on top of the base plate 1, between the two grooves 6, so that the template is directly below the coating roller 10. Then, the drive assembly moves the moving plate 9 downwards until the bottom of the coating roller 10 contacts the top of the template. The two first springs 11, compressed by the moving plate 9, contract, ensuring that the coating roller 10 is pressed against the template while preventing damage. At this point, a control button, electrically connected to the nozzle 15, can be used; this is existing technology and will not be described further. The control button can control several nozzles 15 to spray release agent onto the coating roller 10, so that the coating roller 10 is coated with release agent. Then, the servo motor 25 is powered on and started. The output shaft of the servo motor 25 will drive the threaded rod 3 to rotate. Under the action of the thread, the threaded rod 3 will drive the moving frame 5 to move. The moving frame 5 will slide on the guide rod 4, which will cause the coating roller 10 against the template to rotate between the fixed plate 14 and the sliding plate 18, so that the release agent on the coating roller 10 can be applied to the template. This process does not require the operator to manually push the moving frame 5, making the operation more convenient and labor-saving.

[0045] When the applicator roller 10 needs to be disassembled for cleaning or replacement, the fixing component is used to release the fixing component from the sliding plate 18. Then, the handle 19 can be held and the sliding plate 18 can be pulled away from the applicator roller 10. At this time, the sliding plate 18 will slide on the two round rods 21 and compress the second spring 20 until one of the rotating shafts on the applicator roller 10 is removed from the sliding plate 18. Then, the other rotating shaft on the applicator roller 10 can be removed from the fixing plate 14 to complete the disassembly of the applicator roller 10. By reversing the above operation, the cleaned applicator roller 10 can be reinstalled between the fixing plate 14 and the sliding plate 18. Example

[0046] This embodiment provides a novel template release agent applicator, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the driving component includes:

[0047] Two electric push rods 7 are fixedly installed on the top of the movable frame 5. The output end of the electric push rod 7 extends through the top of the movable frame 5 into the groove 6 and is fixedly installed with a connecting plate 12. A connecting rod 26 is fixedly installed at the bottom of the connecting plate 12. One end of the connecting rod 26 passes through the movable plate 9 and is fixedly installed with a baffle 13. A first spring 11 is sleeved on the connecting rod 26 and located between the movable plate 9 and the connecting plate 12.

[0048] The operator can power on and start the two electric push rods 7. The output shafts of the two electric push rods 7 will simultaneously drive the two connecting plates 12 to move downward. The two connecting plates 12 will drive the two connecting rods 26 to move downward respectively. The two connecting rods 26 will drive the two baffles 13 to move downward respectively. At this time, under the action of the rebound force of the first spring 11, the moving plate 9 will also move downward. Example

[0049] This embodiment provides a novel template release agent applicator. In addition to the technical solutions of the above embodiments, it also has the following technical features: the output shaft of the electric push rod 7 is slidably connected to the movable frame 5; the bottom of the movable plate 9 is in contact with the top of the baffle 13; the movable plate 9 is slidably connected to the connecting rod 26; and the two ends of the first spring 11 are tightly welded to the bottom of the connecting plate 12 and the top of the movable plate 9, respectively.

[0050] Specifically, it ensures that the output shaft of the electric push rod 7 is within the movable frame 5, that the movable plate 9 is blocked by the baffle 13, that the movable plate 9 can slide on the connecting rod 26, and that the structure of the first spring 11 is stable. Example

[0051] This embodiment provides a novel template release agent applicator, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including a fixing component:

[0052] The slide 24 is located inside the movable plate 9. A limit rod 16 is slidably installed inside the slide 24. A third spring 23, which is fixed to the inner wall of the slide 24, is fixedly installed on the top of the limit rod 16. A rotating plate 17 is rotatably installed on one side of the sliding plate 18. One end of the limit rod 16 passes through the bottom of the slide 24 and extends into the rotating plate 17.

[0053] When the applicator roller 10 needs to be disassembled, cleaned, or replaced, the operator can first push the limit rod 16 upwards, causing the limit rod 16 to move upwards within the slide groove 24. At this time, the third spring 23 will be compressed and contract until one end of the limit rod 16 is pulled out from the rotating plate 17. At this time, the rotating plate 17 will be released from its fixed position. The operator can then rotate the rotating plate 17 and release the hand that pushed the limit rod 16. The limit rod 16 will move downwards and will not insert into the rotating plate 17. Then, the operator can hold the handle 19 and pull it. The handle 19 will drive the sliding plate 18 to move away from the applicator roller 10. Example

[0054] This embodiment provides a novel template release agent applicator, which, in addition to the technical solutions of the above embodiments, also has the following technical features: one end of the limiting rod 16 is inserted into the rotating plate 17, and the other end of the limiting rod 16 is slidably connected to the moving plate 9.

[0055] Specifically, it is ensured that one end of the limiting rod 16 can be inserted into the rotating plate 17, and that one end of the limiting rod 16 can slide within the moving plate 9. Example

[0056] This embodiment provides a novel template release agent applicator, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the movable frame 5 is threadedly connected to the threaded rod 3, and the movable frame 5 is slidably connected to the guide rod 4.

[0057] The screw thread ensures that the rotating screw rod 3 can drive the moving frame 5 to move, thus ensuring that the moving frame 5 can slide on the guide rod 4. Example

[0058] This embodiment provides a novel template release agent applicator. In addition to the technical solutions of the above embodiments, it also has the following technical features: the output shaft of the servo motor 25 is rotatably connected to one of the U-shaped frames 2, and a handle 19 is fixedly installed on the sliding plate 18.

[0059] Specifically, it is ensured that the output shaft of the servo motor 25 can rotate within one of the U-shaped frames 2, so that the handle 19 can be held to pull the sliding plate 18. Example

[0060] This embodiment provides a novel template release agent applicator. In addition to the technical solutions of the above embodiments, it also has the following technical features: a plurality of nozzles 15 are located above the applicator roller 10, and the plurality of nozzles 15 are linearly and equally spaced, and two electric push rods 7 are electrically connected.

[0061] This ensures that several nozzles 15 can evenly spray release agent onto the coating roller 10, and that the output shafts of the two electric push rods 7 can extend simultaneously.

[0062] Working principle: During use, the operator places the template to be coated with release agent on top of the base plate 1, between the two grooves 6, so that the template is directly below the coating roller 10. Then, the operator powers on the two electric push rods 7. The output shafts of the two electric push rods 7 simultaneously drive the two connecting plates 12 downwards. The two connecting plates 12 then drive the two connecting rods 26 downwards, which in turn drive the two baffles 13 downwards. At this time, under the rebound force of the first spring 11, the moving plate 9 also moves downwards until the bottom of the coating roller 10 contacts the top of the template. The two first springs 11 contract under the pressure of the moving plate 9, ensuring that the coating roller 10 is pressed against the template. To avoid damaging the template, a control button can be used. The control button is electrically connected to the nozzle 15, which is existing technology and will not be described in detail here. The control button can control several nozzles 15 to spray the release agent onto the coating roller 10, so that the coating roller 10 is coated with the release agent. Then, the servo motor 25 is powered on and started. The output shaft of the servo motor 25 will drive the threaded rod 3 to rotate. Under the action of the thread, the threaded rod 3 will drive the moving frame 5 to move. The moving frame 5 will slide on the guide rod 4, which will cause the coating roller 10 against the template to rotate between the fixed plate 14 and the sliding plate 18, so that the release agent on the coating roller 10 can be applied to the template. This process does not require the operator to manually push the moving frame 5, making the operation more convenient and labor-saving.

[0063] When the applicator roller 10 needs to be disassembled, cleaned, or replaced, the operator can first push the limiting rod 16 upwards, causing it to move upwards within the slide groove 24. At this time, the third spring 23 will be compressed and contract until one end of the limiting rod 16 is pulled out from the rotating plate 17. The rotating plate 17 will then be released from its fixed position. The operator can then rotate the rotating plate 17 and release the hand that pushed the limiting rod 16. The limiting rod 16 will move downwards and will not insert into the rotating plate 17. Then, the operator can hold the handle 19 and pull it. The handle 19 will move the sliding plate 18 away from the applicator roller 10. At this time, the sliding plate 18 will slide on the two round rods 21 and compress the second spring 20 until one of the rotating shafts on the applicator roller 10 is removed from the sliding plate 18. Then, the other rotating shaft on the applicator roller 10 can be removed from the fixed plate 14 to complete the disassembly of the applicator roller 10. By reversing the above operations, the cleaned applicator roller 10 can be reinstalled between the fixed plate 14 and the sliding plate 18.

[0064] It should be noted that the above content merely illustrates the technical concept of this utility model and cannot be used to limit the scope of protection of this utility model. For those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and all such improvements and modifications fall within the scope of protection of the claims of this utility model.

Claims

1. A new type of template release agent applicator, comprising a base plate (1), a storage tank (8), an applicator roller (10) and several spray heads (15), characterized in that, Also includes: Two U-shaped frame (2), two said U-shaped frame (2) are fixedly installed at the top of the two ends of the bottom plate (1), the top of two said U-shaped frame (2) is equipped with inverted U-shaped moving frame (5), one of said U-shaped frame (2) is rotatably mounted with threaded rod (3), another said U-shaped frame (2) is fixedly installed with guide rod (4), the threaded rod (3) and guide rod (4) are all through moving frame (5), one side of one of said U-shaped frame (2) is fixedly installed with servo motor (25), the output end of the servo motor (25) is through the U-shaped frame (2) and is coaxially connected with the threaded rod (3); Two grooves (6), two said grooves (6) are opened in the inner wall of both sides of the moving frame (5), two said grooves (6) are slidably installed with the moving plate (9), the storage box (8) is fixedly installed on the top of the moving plate (9), a plurality of said spray heads (15) are fixedly installed on the bottom of the moving plate (9), the bottom of the moving plate (9) is provided with a limiting groove (22), two round rods (21) are fixedly installed in the limiting groove (22), the same sliding plate (18) is provided on the two round rods (21), the second spring (20) is sleeved on the round rod (21), the bottom of the moving plate (9) is fixedly installed with the fixed plate (14), the smearing roller (10) is rotatably installed between the fixed plate (14) and the sliding plate (18); Drive assembly, the drive assembly is located on the moving frame (5), and is used for driving the moving plate (9) to displace up and down; Fixed assembly, the fixed assembly is located in the moving plate (9), and is used for fixing the sliding plate (18).

2. A novel form board release applicator according to claim 1, wherein, The drive assembly comprises: Two electric push rods (7), two said electric push rods (7) are fixedly installed on the top of the moving frame (5), the output end of the electric push rod (7) extends to the groove (6) through the top of the moving frame (5) and is fixedly installed with the connecting plate (12), the bottom of the connecting plate (12) is fixedly installed with the connecting rod (26), one end of the connecting rod (26) penetrates through the moving plate (9) and is fixedly installed with the baffle (13), the first spring (11) is sleeved on the connecting rod (26) and between the moving plate (9) and the connecting plate (12).

3. A novel form board release applicator according to claim 2, wherein, The output shaft of the electric push rod (7) is slidably connected with the moving frame (5), the bottom of the moving plate (9) is in contact with the top of the baffle (13), the moving plate (9) is slidably connected with the connecting rod (26), and the two ends of the first spring (11) are respectively tightly welded with the bottom of the connecting plate (12) and the top of the moving plate (9).

4. A novel form board release applicator according to claim 1, wherein, The fixed assembly comprises: The sliding groove (24) is provided in the moving plate (9), the limiting rod (16) is slidably installed in the sliding groove (24), the top of the limiting rod (16) is fixedly installed with the third spring (23) fixed with the inner wall of the sliding groove (24), the side of the sliding plate (18) is rotatably installed with the rotating plate (17), one end of the limiting rod (16) penetrates through the bottom of the sliding groove (24) and extends into the rotating plate (17).

5. A novel form board release applicator according to claim 4, wherein, One end of the limiting rod (16) is in plug-in fit with the rotating plate (17), and one end of the limiting rod (16) is in sliding connection with the moving plate (9).

6. A novel form board release applicator according to claim 1, wherein, The moving frame (5) is in threaded connection with the threaded rod (3), and the moving frame (5) is in sliding connection with the guide rod (4).

7. A novel form board release applicator according to claim 1, wherein, The output shaft of the servo motor (25) is in rotary connection with one of the U-shaped frames (2), and the sliding plate (18) is fixedly provided with a handle (19).

8. A novel form board release applicator according to claim 3, wherein, A plurality of the spray heads (15) are above the smearing roller (10), and the plurality of spray heads (15) are linearly and equidistantly distributed, and the two electric push rods (7) are electrically connected.

Citation Information

Patent Citations

  • Building template release agent brushing device

    CN220129070U