Building template surface repairing device

The building panel repair device addresses dust removal and surface leveling issues, enabling efficient and uniform repair application for immediate construction readiness.

CN223097027UActive Publication Date: 2025-07-15ZHONGCHENGXIANG CONSTR GRP CO LTD
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Patent Information

Application Number
CN202421856947.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-01
Publication Date
2025-07-15
Estimated Expiration
2034-08-01

AI Technical Summary

Technical Problem

During the repair process of existing building formwork repair devices, dust and repair materials are mixed, resulting in poor repair results and uneven surfaces of the formwork, affecting the construction progress.

Method used

The dust removal mechanism is used to cooperate with a retractable scraper. First remove dust on the surface of the template, and then drive the scraper to level it through the slider to adapt to different specifications of templates to ensure the uniform distribution of repair materials.

Benefits of technology

Effectively remove dust, ensure uniform distribution of repair materials, flat surface of the formwork, can be quickly put into construction, and improve construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a building template surface repairing device which comprises a shell, a dust removal device is arranged in the shell, a material spraying opening is formed in the shell, first sliding rods are movably connected to the front portion and the rear portion of the inner wall of a first sliding block, and the tail ends of the first sliding rods are fixedly connected to the inner wall of the shell through bolts. A push rod is fixedly connected to one side of the first sliding block, the push rod penetrates through the side wall of the shell and is movably connected with the shell, a sleeve shell and a dust removal mechanism are fixedly connected to the two sides of the bottom of the first sliding block correspondingly, a screw is inserted into the side face of the sleeve shell, and a scraper is movably inserted into a cavity in the other end of the sleeve shell; the utility model relates to the technical field of building template surface repair, through the cooperation among the first slide block, the dust removal mechanism and the scraper, the template is firstly dedusted, the repair material is not uniformly distributed on the surface of the template after repair, and the slide block can drive the scraper to level the template.
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Description

Technical Field

[0001] The utility model relates to the technical field of formwork surface repair, in particular to a building formwork surface repair device. Background Technique

[0002] Building formwork is a formwork and support for concrete pouring and forming. According to the nature of materials, it can be divided into building formwork, building wood glue board, film-covered board, multi-layer board, double-sided glue-coated, double-sided film-covered building formwork, etc. Building formwork can be divided into cast-in-place concrete formwork, pre-assembled formwork, large formwork, leap-up formwork, etc. according to construction process conditions.

[0003] The existing technology mainly acts on the cast-in-place concrete projects of industrial and civil buildings and general structures and the construction of precast concrete components. It is made according to the design requirements to form concrete structural components with specified positions and geometric dimensions, keep their correct positions, and bear the self-weight of the building formwork and the external loads acting on it. The purpose of formwork engineering is to ensure the quality and construction safety of concrete projects, speed up the construction progress and reduce the project cost.

[0004] However, the working mode of the existing building formwork repair device is too simple. For some cases where there is dust on the formwork surface, the repair material is mixed with the dust, which affects the repair effect. Moreover, the surface of the formwork after repair is uneven and cannot be immediately put into building construction, affecting the construction progress. Content of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the utility model provides a building formwork surface repair device, which solves the problems of poor repair effect caused by dust on the building formwork surface, and the surface of the formwork is uneven after repair and cannot be immediately put into building construction, affecting the construction progress.

[0006] To achieve the above object, the utility model is realized through the following technical solutions: a building formwork surface repair device, including a housing, an air dust removal device is arranged inside the housing, a material spraying port is arranged inside the housing, the air dust removal device includes a first slide bar, a first slider, a push rod, a sleeve, a scraper, an air dust removal mechanism and a screw rod. The front and back inner walls of the first slider are both movably connected with the first slide bar, the end of the first slide bar is fixedly connected to the inner wall of the housing through a bolt, one side of the first slider is fixedly connected with the push rod, the push rod penetrates through the side wall of the housing and is movably connected with the housing, both sides of the bottom of the first slider are respectively fixedly connected with the sleeve and the air dust removal mechanism, the bottom groove of the sleeve is inserted with the scraper, and the scraper is fixedly connected with the sleeve through the screw rod.

[0007] Preferably, a first support plate is arranged below the first slider, a second support plate is arranged on the side of the first support plate, a plug board is fixedly connected to one side of the second support plate close to the first support plate, and one end of the plug board is inserted into the side cavity of the first support plate.

[0008] Preferably, a support block is fixedly connected to the top of the plug board, the support block is movably connected to the first support plate through an opening formed in the top of the first support plate, and the top of the support block is flush with the tops of the first support plate and the second support plate.

[0009] Preferably, brackets are fixedly connected to the bottoms of the first support plate and the second support plate, sliding chocks are installed at the bottoms of the brackets and are slidably clamped to a slide rail installed at the bottom of the inner wall of the housing, and a second cylinder is installed between the two brackets.

[0010] Preferably, a first cylinder is fixedly connected to one side of the first support plate away from the second support plate, and a baffle is fixedly connected to one side of the second support plate away from the first support plate.

[0011] Preferably, a feeding pump is arranged at the bottom of the inner wall of the housing, the bottom of the feeding pump is fixedly connected to the inner wall of the housing through bolts, the feeding port of the feeding pump penetrates through the side wall of the housing and is communicated with a first flange, the discharging port of the feeding pump is communicated with a hose through a second flange, the hose is fixedly connected to the inner wall of the housing through a buckle, and the other end of the hose is communicated with a spraying port.

[0012] Preferably, a second slider is arranged above the first slider, a second sliding rod is movably connected to the inner wall of the second slider, the second sliding rod is fixedly connected to the inner wall of the housing, the outer wall of the second sliding rod is movably connected to a second slider, and a telescopic rod is fixedly connected to the bottom of the second slider and is fixedly connected to the spraying port through a buckle.

[0013] Preferably, a conveyor belt is arranged above the second slider and is fixedly connected to the top of the second slider through a rod, and the conveyor belt is installed on the inner wall of the housing through bolts.

[0014] Beneficial effects

[0015] The utility model provides a building formwork surface repair device. The following beneficial effects are achieved: through the cooperation among the first slider, the dust removal mechanism and the scraping plate, the building formwork surface repair device first removes dust from the formwork, so as to remove the dust on the surface of the formwork and avoid affecting the repair effect. After repair, the repair material is unevenly distributed on the surface of the formwork. The slider can drive the scraping plate to level the formwork, and the scraping plate can be telescopically adjusted to fully level formworks of different specifications, so that the formwork can be quickly put into construction.

[0016] Through the cooperation among the first pallet, the inserting plate and the second pallet, building templates of different specifications can be installed on the pallet for repair. Start the second cylinder to drive the bracket slidingly clamped on the slide rail to move freely. The bracket drives the pallet to be telescopic. When the pallet is in the extended state, the supporting blocks on its surface also prevent the occurrence of concavities on the building template. Description of the Drawings

[0017] Figure 1 Internal cross-sectional view of the utility model building template repair device;

[0018] Figure 2 External view schematic diagram of the utility model;

[0019] Figure 3 is Figure 2 External view schematic diagram of the screw rod, the sleeve and the scraper in

[0020] Figure 4 is Figure 1 Structural schematic diagram of the conveyor belt, the second slider and the telescopic rod in

[0021] Figure 5 is Figure 2 External view schematic diagram of the first slider, the dust removal mechanism and the scraper in

[0022] In the figure: 1. Housing, 2. Conveyor belt, 3. Rod body, 4. Second slider, 5. Telescopic rod, 6. Dust removal mechanism, 7. Spray material port, 8. First slider, 9. First slide bar, 10. Hose, 11. Baffle, 12. First flange, 13. Feed pump, 14. Second flange, 15. Slide rail, 16. Supporting block, 17. Second cylinder, 18. Second slide bar, 19. Bracket, 20. First pallet, 21. First cylinder, 22. Scraper, 23. Push rod, 24. Sleeve, 25. Screw rod, 26. Second pallet, 27. Inserting plate. Detailed Description of the Invention

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] The working mode of the existing building template repair device is too simple. For some cases where there is dust on the surface of the template, the repair material is mixed with the dust, which affects the repair effect. Moreover, the surface of the template after repair is uneven and cannot be immediately put into building construction, which affects the construction progress.

[0025] In view of this, through the cooperation among the first slider, the dust removal mechanism and the scraper, the template will be dusted first to remove the dust on the surface of the template, so as not to affect the repair effect. After repair, the repair material is unevenly distributed on the surface of the template. The slider can drive the telescopic scraper to level the template, and the scraper can be telescopically adjusted to fully level templates of different specifications, so that the template can be quickly put into construction.

[0026] Those skilled in the art shall connect the components in this case in sequence. For the specific connection and operation sequence, reference should be made to the following working principle. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process.

[0027] Embodiment 1: As Figures 1-4 can be seen, a surface repair device for building templates includes a housing 1. A dust removal device is arranged inside the housing 1, and a material spraying port 7 is arranged inside the housing 1. The dust removal device includes a first sliding rod 9, a first slider 8, a push rod 23, a sleeve 24, a scraper 22, a dust removal mechanism 6 and a screw 25. The front and rear inner walls of the first slider 8 are both movably connected with a first sliding rod 9. The end of the first sliding rod 9 is fixedly connected to the inner wall of the housing 1 by bolts. One side of the first slider 8 is fixedly connected with a push rod 23. The push rod 23 penetrates the side wall of the housing 1 and is movably connected with the housing 1. Pushing the push rod 23 drives the first slider 8 to freely move on the two first sliding rods 9. The two bottom sides of the first slider 8 are respectively fixedly connected with a sleeve 24 and a dust removal mechanism 6. The scraper 22 is inserted into the bottom groove of the sleeve 24. The scraper 22 is fixedly connected with the sleeve 24 through a screw 25. The screw 25 is threadedly connected with the sleeve 24 and abuts against the surface of the sleeve 24 to fix the scraper 22 and the sleeve 24. The dust removal mechanism 6 can be a blowing structure to blow off the dust and sundries on the surface of the building template, or a dust suction device to directly absorb and process the dust and sundries on the surface of the building template. It can be specifically selected according to the actual situation and will not be specifically limited here. Adjust the height of the scraper 22 so that its bottom fits the top of the building template to ensure that the scraper 22 can effectively clean the building template when there is relative movement between the scraper 22 and the building template, and then fix it through the screw 25. The screw 25 is threadedly connected with the sleeve 24 and abuts against the surface of the scraper 22 to fix the scraper 22 and the sleeve 24;

[0028] In the specific implementation process, it is particularly worth noting that the dust removal mechanism 6 can be a blowing structure to blow off the dust and debris on the surface of the building formwork, or it can be a dust suction device to directly absorb and process the dust and debris on the surface of the building formwork, preventing the dust from being mixed with the repair material when repairing the building formwork and affecting the repair effect. It can be specifically selected according to the actual situation and is not specifically limited here. Adjust the height of the scraping plate 22 so that its bottom fits the top of the building formwork, ensuring that when the scraping plate 22 and the building formwork move relatively, it can effectively clean the building formwork. The screw rod 25 is threadedly connected with the sleeve 24 and abuts against the surface of the scraping plate 22, thereby fixing the scraping plate 22 and the sleeve 24 to ensure that there will be no loosening when the scraping plate cleans the building formwork;

[0029] Specifically, when using the building formwork surface repair device, first adjust the height of the scraping plate 22 so that the top of the placed building formwork fits the bottom of the scraping plate 22, ensuring that the scraping plate 22 and the building formwork can move relatively. Then, before repair, push the push rod 23 to drive the first slider 8, so that the dust removal mechanism at the bottom of the first slider 8 performs the first step of dust removal on the building formwork. At the same time, the scraping plate 22 also performs the cleaning work. After repair, the scraping plate 22 can perform the second step of cleaning on the building formwork, enabling the formwork to be quickly put into building construction;

[0030] Embodiment 2: As Figures 1-4 It can be seen that a first support plate 20 is provided below the first slider 8, a second support plate 26 is provided on the side of the first support plate 20, a plug board 27 is fixedly connected to the side of the second support plate 26 close to the first support plate 20, and one end of the plug board 27 is inserted into the side cavity of the first support plate 20. The distance between the first support plate 20 and the second support plate 26 can be adjusted according to the specifications of the building formwork;

[0031] In the specific implementation process, it is particularly worth noting that the distance between the first support plate 20 and the second support plate 26 can be adjusted according to the specifications of the building formwork. When a larger formwork needs to be repaired, adjust the distance between the first support plate 20 and the second support plate 26, and limit the first support plate 20 and the second support plate 26 through the plug board 27, while ensuring that they can approach or move away from each other relatively, so as to support building formworks of different sizes;

[0032] Furthermore, a support block 16 is fixedly connected to the top of the plug board 27. The support block 16 plays a role in supporting a larger formwork to prevent depression. The support block 16 is movably connected to the first support plate 20 through an opening provided at the top of the first support plate 20. The top of the support block 16 is flush with the tops of the first support plate 20 and the second support plate 26. When the first support plate 20 and the second support plate 26 are abutted tightly, the support block can be flush with it by means of the opening provided at the top of the first support plate 20;

[0033] In the specific implementation process, it is particularly worth noting that when repairing a larger formwork, the first supporting plate 20 and the second supporting plate 26 move relatively far away from each other, exposing the insertion plate 27. The supporting block 16 at the top of the insertion plate 27 can support the part of the building formwork that is not located on the tops of the first supporting plate 20 and the second supporting plate 26. And when the first supporting plate 20 abuts against the second supporting plate 26, the supporting block 16 can be flush with it by relying on the opening provided at the top of the first supporting plate 20. In addition, the first supporting plate 20 and the second supporting plate 26 can be in a completely abutting state;

[0034] Furthermore, brackets 19 are fixedly connected to the bottoms of both the first supporting plate 20 and the second supporting plate 26. The bottoms of the brackets 19 are slidably clamped to slide rails 15 installed at the bottom of the inner wall of the housing 1. A second cylinder 17 is installed between the two brackets 19. Starting the second cylinder 17 can push the brackets 19 to move freely on the slide rails 15, and thus can drive the first supporting plate 20 and the second supporting plate 26 fixedly connected to the tops of the brackets 19;

[0035] In the specific implementation process, it is particularly worth noting that the brackets 19 are slidably clamped to the slide rails 15. Starting the second cylinder 17 can push the brackets 19 to move freely on the slide rails 15, and thus can drive the first supporting plate 20 and the second supporting plate 26 fixedly connected to the tops of the brackets 19 to place formworks of different specifications;

[0036] Of course, it can be understood that a fixing device should be provided between the slide rails 15 and the brackets 19 to ensure effective fixation after adjusting the brackets 19 on both sides, and to prevent the lateral position of the building formwork from moving during the operation;

[0037] Furthermore, a first cylinder 21 is fixedly connected to the side of the first supporting plate 20 away from the second supporting plate 26, and a baffle 11 is fixedly connected to the side of the second supporting plate 26 away from the first supporting plate 20;

[0038] In the specific implementation process, it is particularly worth noting that after placing the building formwork, start the first cylinder 21 to push the formwork towards the baffle 11 until both ends of the building formwork abut against the first cylinder 21 and the baffle 11. In addition, during the repair process of the building formwork, it may shift due to external factors;

[0039] Specifically, when using this building formwork surface repair device, first adjust the distance between the first support plate 20 and the second support plate 26 according to the specifications of the building formwork. The brackets 19 at the bottoms of the first support plate 20 and the second support plate 26 are slidably clamped to the slide rails 15. Start the second cylinder 17 to make the first support plate 20 and the second support plate 26 approach or move away from each other. When the first support plate 20 moves relatively away from the second support plate 26, the insertion plate 27 between them is exposed. The support block 16 at the top of the insertion plate 27 can support the part of the building formwork that is not located at the tops of the first support plate 20 and the second support plate 26. When the first support plate 20 and the second support plate 26 are tightened against each other, the support block can be flush with the opening provided at the top of the first support plate 20. After placing the building formwork, start the first cylinder 21 and push the formwork towards the baffle 11 until both ends of the building formwork are tightly pressed against the first cylinder 21 and the baffle 11, preventing the building formwork from shifting due to external factors during the repair process.

[0040] Embodiment 3: As Figures 1-4 It can be seen that a feed pump 13 is provided at the bottom of the inner wall of the housing 1. The bottom of the feed pump 13 is fixedly connected to the inner wall of the housing 1 by bolts. The feed inlet of the feed pump 13 penetrates the side wall of the housing 1 and is connected to a first flange 12. Different repair material devices can be installed outside the housing 1 according to the formwork to be repaired. The discharge port of the feed pump 13 is connected to a hose 10 through a second flange 14. The hose 10 is fixedly connected to the inner wall of the housing 1 by a buckle. The other end of the hose 10 is connected to the spray nozzle 7.

[0041] During the specific implementation process, it is particularly worth noting that first, select appropriate materials according to the material of the building formwork to be repaired, connect the first flange 12 to an external feeding device, and then, through the action of the feed pump 13, transport the materials through the hose 10 to the spray nozzle 7. Align the spray nozzle 7 with the position to be repaired to achieve the filling of the materials, which not only plays a role in accurately repairing the damaged part but also does not waste repair materials.

[0042] Furthermore, a second slider 4 is provided above the first slider 8. The inner wall of the second slider 4 is movably connected to a second sliding rod 18. The second sliding rod 18 is fixedly connected to the inner wall of the housing 1. The bottom of the second slider 4 is fixedly connected to a telescopic rod 5. The telescopic rod 5 is fixedly connected to the spray nozzle 7 through a buckle. The telescopic rod 5 drives the spray nozzle 7 to repair the specified position of the formwork that needs to be repaired.

[0043] During the specific implementation process, it is particularly worth noting that when a certain specified position of the building formwork needs to be repaired, the telescopic rod 5 drives the spray nozzle 7, which can reduce the distance between the spray nozzle and the building formwork for accurate repair.

[0044] Furthermore, a conveyor belt 2 is arranged above the second slider 4 and is fixedly connected to the top of the second slider 4 through a rod 3. The conveyor belt 2 is installed on the inner wall of the housing 1 by bolts. When the conveyor belt 2 is started, the second slider 4 is driven by the rod 3 fixed to the bottom. The second slider 4 drives the telescopic rod 5, and the telescopic rod 5 drives the hose 10 through the material spraying port 7, enabling the hose 10 and the material spraying port 7 to move freely. The rotation range of the conveyor belt 2 should ensure that the material spraying port 7 is always located below the conveyor belt 2.

[0045] In the specific implementation process, it is particularly worth noting that by the forward and reverse rotation of the conveyor belt 2, the rod 3, the second slider 4, and the material spraying port 7 are driven to move horizontally, so that the position of the material spraying port 7 is aligned with the position of the building formwork to be repaired. The front and back positions of the building formwork can be manually adjusted to ensure that the material spraying port 7 can be aligned with the position to be repaired by only moving up and down and horizontally. Of course, a moving device can also be installed between the material spraying port 7 and the second slider 4 or even before and after to replace manual operation.

[0046] Specifically, on the basis of the above-mentioned Embodiment 1, according to the material of the building formwork to be repaired, a suitable material is selected, and the first flange 12 is connected to an external feeding device. Then, under the action of the feeding pump 13, the material is conveyed to the material spraying port 7 through the hose 10. When the conveyor belt 2 is started, the rod 3 is driven. The rod 3 drives the second slider 4, and the second slider 4 drives the telescopic rod 5. The telescopic rod 5 drives the material spraying port 7 driven by the hose 10 connected to the other end of the feeding pump 13, realizing the horizontal movement of the rod 3, the second slider 4, and the material spraying port 7, and also shortening the distance between the material spraying port 7 and the damaged part of the building formwork, without wasting materials.

[0047] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0048] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "setting", "connection", "fixation", "swivel connection" and the like shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0049] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A building formwork surface repair device, comprising a housing (1), characterized in that: Inside the housing (1), a dust removal device is provided, and a material spraying port (7) is provided inside the housing (1). The dust removal device includes a first sliding rod (9), a first slider (8), a push rod (23), a sleeve (24), a scraper (22), a dust removal mechanism (6) and a screw (25). Both the front and rear inner walls of the first slider (8) are movably connected to a first sliding rod (9). The end of the first sliding rod (9) is fixedly connected to the inner wall of the housing (1) by bolts. One side of the first slider (8) is fixedly connected to a push rod (23). The push rod (23) penetrates the side wall of the housing (1) and is movably connected to the housing (1). On both sides of the bottom of the first slider (8), a sleeve (24) and a dust removal mechanism (6) are respectively fixedly connected. A scraper (22) is inserted into the bottom groove of the sleeve (24). The scraper (22) is fixedly connected to the sleeve (24) by a screw (25).

2. The surface repair device for a template according to claim 1, characterized in that: Below the first slider (8), a first support plate (20) is provided. On the side of the first support plate (20), a second support plate (26) is provided. One side of the second support plate (26) close to the first support plate (20) is fixedly connected to an insertion plate (27). One end of the insertion plate (27) is inserted into the side cavity of the first support plate (20).

3. The surface repair device for a template according to claim 2, wherein: At the top of the insertion plate (27), a support block (16) is fixedly connected. The support block (16) is movably connected to the first support plate (20) through an opening provided at the top of the first support plate (20). The top of the support block (16) is flush with the tops of the first support plate (20) and the second support plate (26).

4. A template surface repair device according to claim 2, characterized in that: At the bottoms of both the first support plate (20) and the second support plate (26), brackets (19) are fixedly connected. The bottoms of the brackets (19) are slidably clamped to a slide rail (15) installed at the bottom of the inner wall of the housing (1). A second cylinder (17) is installed between the two brackets (19).

5. The surface repair device for a template according to claim 2, wherein: One side of the first support plate (20) away from the second support plate (26) is fixedly connected to a first cylinder (21). One side of the second support plate (26) away from the first support plate (20) is fixedly connected to a baffle (11).

6. The surface repair device for template according to claim 1, characterized in that: At the bottom of the inner wall of the housing (1), a feed pump (13) is provided. The bottom of the feed pump (13) is fixedly connected to the inner wall of the housing (1) by bolts. The inlet of the feed pump (13) penetrates the side wall of the housing (1) and is communicated with a first flange (12). The outlet of the feed pump (13) is communicated with a hose (10) through a second flange (14). The hose (10) is fixedly connected to the inner wall of the housing (1) by a buckle. The other end of the hose (10) is communicated with the material spraying port (7).

7. The surface repair device for a template according to claim 6, characterized in that: Above the first slider (8), a second slider (4) is provided. The inner wall of the second slider (4) is movably connected to a second sliding rod (18). The second sliding rod (18) is fixedly connected to the inner wall of the housing (1). The bottom of the second slider (4) is fixedly connected to a telescopic rod (5). The telescopic rod (5) is fixedly connected to the material spraying port (7) by a buckle.

8. A template surface repair device according to claim 7, characterized in that: Above the second slider (4), there is a conveyor belt (2), which is fixedly connected to the top of the second slider (4) through a rod (3), and the conveyor belt (2) is installed on the inner wall of the housing (1) by bolts.