A trowelling thickness control screeding device

Abstract

The utility model discloses a kind of trowelling construction thickness control screeding devices, more particularly in trowelling construction technical field.The utility model is trowelling construction thickness control screeding device, including rack, the top of the rack is fixedly connected with motor, the rack is rotatably connected with driving wheel in the front of motor, the rack is rotatably connected with guide wheel in the front of driving wheel, the rack is fixedly connected with roller frame in the top of guide wheel, roller frame is equipped with roller, the driving wheel, guide wheel and the roller sleeve of roller frame are equipped with belt, the device does not need to rely on artificial production gray pie, but is directly calibrated by scale line on both sides of scraper, the synchronous rotation of driving screw, driven screw is driven under synchronous pulley one, synchronous pulley two and synchronous belt, ensure that scraper moves in parallel, control the distance between scraper and wall, avoid the subjective error of artificial eye observation, rely on ruler to compare gray pie, ensure that thickness is consistent with design value.

Description

Technical Field

[0001] This utility model relates to the field of plastering construction, and in particular to a plastering thickness control and leveling device. Background Technology

[0002] In the field of building plastering construction, plastering construction mainly relies on manual operation. Construction workers use hand scrapers and, in conjunction with the benchmarks such as plaster spots and screeds set in the early stage, manually complete the smoothing and thickness control of the plaster on the wall.

[0003] However, the thickness of the mortar spots still needs to be determined by workers using a straightedge. If the workers are not experienced enough, the thickness of the mortar spots may deviate from the design value, and the flatness between adjacent mortar spots may also be difficult to guarantee. The compaction and straightness of the mortar strips during screeding also depend on feel. If the screed itself is tilted or has thickness fluctuations, the baseline for subsequent leveling will be distorted, resulting in uneven overall thickness of the subsequent plaster layer. Utility Model Content

[0004] The main purpose of this utility model is to provide a plastering thickness control and leveling device, which can effectively solve the problem of poor thickness stability when manually leveling.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A plastering thickness control and leveling device includes a frame, a motor fixedly connected to the top of the frame, a drive wheel rotatably connected to the front of the motor, a guide wheel rotatably connected to the front of the drive wheel, a roller frame fixedly connected above the guide wheel, and rollers mounted on the roller frame. A belt is fitted over the drive wheel, guide wheel, and rollers of the roller frame. A leveling module is fixedly connected between the belt and the roller frame and the guide wheel. Pulleys are fixedly connected to the output shaft of the motor and the outer side of the drive wheel, and the drive is transmitted via the belt.

[0007] Preferably, the bottom of the frame is threaded with a plurality of support screws, and each support screw is fixedly connected to a knob and a foot pad at both the upper and lower ends.

[0008] Preferably, the leveling module includes a slide table, and the frame is fixedly connected to guide rails on both the left and right sides of the slide table. A slider is slidably connected to the outer side of each guide rail, and each slider is fixedly connected to the slide table. A support frame is fixedly connected to the rear of the slide table, and the support frame is fixedly connected to the transmission belt.

[0009] Preferably, a sliding sleeve is fixedly connected to the front of the slide table, and a scraper is slidably connected inside the sliding sleeve. Scale lines are drawn on both the left and right sides of the scraper. A drive screw is rotatably connected to the rear of the scraper. A driven screw is rotatably connected to both the left and right sides of the drive screw. Both the driven screw and the drive screw are threadedly connected to the slide table.

[0010] Preferably, a second synchronous pulley is fixedly connected to the drive screw behind the slide table, and a first synchronous pulley is fixedly connected to the two driven screws behind each driven screw. The first and second synchronous pulleys are driven by a synchronous belt.

[0011] Preferably, both the driven screw and the driving screw are threadedly connected to the support frame, and the driving screw has a crank fixedly connected to the rear of the support frame.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. This utility model provides a plastering thickness control and leveling device. This device does not rely on manual plastering. Instead, it uses the scale lines on both sides of the scraper for intuitive calibration. Combined with the synchronous rotation of the drive screw and driven screw driven by the synchronous pulley one, synchronous pulley two and synchronous belt, it ensures that the scraper moves in parallel, controls the distance between the scraper and the wall, avoids the subjective error of manual visual inspection and comparison with a ruler to the plastering, and ensures that the thickness is consistent with the design value.

[0014] 2. This utility model provides a plastering thickness control and leveling device. The device uses a motor-driven transmission belt to move the leveling module along the guide rail at a uniform speed as the leveling reference, eliminating the need for manual screeding. At the same time, the support screw can be adjusted by the knob at the bottom of the frame to quickly calibrate the level of the device, ensuring the initial posture of the leveling module is stable. This replaces the manual screeding that is prone to tilting and thickness fluctuation, avoids reference distortion, and ensures the overall thickness of the plaster layer is uniform. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the attitude calibration structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the guide structure of the scraping module of this utility model;

[0018] Figure 4 This is a schematic diagram of the thickness adjustment structure of the scraping module of this utility model;

[0019] Figure 5 This is a schematic diagram of the transmission structure of the screw of this utility model.

[0020] In the diagram: 1. Frame; 2. Motor; 3. Drive wheel; 4. Transmission belt; 5. Guide wheel; 6. Scraping module; 7. Roller frame; 8. Knob; 9. Support screw; 10. Foot pad; 11. Guide rail; 12. Slider; 61. Slide table; 62. Support frame; 63. Sliding sleeve; 64. Driven screw; 65. Drive screw; 66. Scraper; 67. Synchronous pulley one; 68. Synchronous pulley two; 69. Handle. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] like Figure 1 As shown, this utility model provides a plastering thickness control and leveling device, including a frame 1, a motor 2 fixedly connected to the top of the frame 1, a drive wheel 3 rotatably connected to the front of the motor 2, a guide wheel 5 rotatably connected to the front of the drive wheel 3, a roller frame 7 fixedly connected to the top of the guide wheel 5, and rollers mounted on the roller frame 7. A belt is fitted around the drive wheel 3, guide wheel 5, and rollers of the roller frame 7. A leveling module 6 is fixedly connected between the belt and the roller frame 7. Pulleys are fixedly connected to the output shaft of the motor 2 and the outer side of the drive wheel 3, and the drive is transmitted via the belt. When the drive wheel 3 rotates, it drives the belt, which is fitted around its outer side, the outer side of the guide wheel 5, and the outer side of the rollers on the roller frame 7. Simultaneously, because the leveling module 6 and the belt are fixedly connected between the roller frame 7 and the guide wheel 5, the belt's rotation synchronously drives the leveling module 6 to move with the belt.

[0023] like Figure 2 As shown, this utility model provides a plastering construction thickness control and leveling device. The bottom of the frame 1 is threaded with several support screws 9. Each support screw 9 has a knob 8 and a foot pad 10 fixedly connected to its upper and lower ends. When the operator rotates the knob 8 fixed at the upper end of the support screw 9, the support screw 9 will move up and down along the thread because the support screw 9 is threaded to the bottom of the frame 1.

[0024] like Figure 3 As shown, this utility model provides a plastering thickness control and leveling device. The leveling module 6 includes a slide table 61. The frame 1 is fixedly connected to guide rails 11 on both the left and right sides of the slide table 61. A slider 12 is slidably connected to the outer side of each guide rail 11. Each slider 12 is fixedly connected to the slide table 61. A support frame 62 is fixedly connected to the rear of the slide table 61. The support frame 62 is fixedly connected to the transmission belt 4. The guide rails 11 provide a stable guiding function for the slide table 61, preventing the leveling module 6 from shifting left or right or tilting when moving, and ensuring the straightness of the subsequent leveling by the scraper.

[0025] like Figure 4 As shown, this utility model provides a plastering thickness control and leveling device. A sliding sleeve 63 is fixedly connected to the front of the sliding table 61. A scraper 66 is slidably connected inside the sliding sleeve 63. Scale lines are drawn on both the left and right sides of the scraper 66. A drive screw 65 is rotatably connected to the rear of the scraper 66. A driven screw 64 is rotatably connected to both the left and right sides of the drive screw 65. Both the driven screw 64 and the drive screw 65 are threadedly connected to the sliding table 61. When the drive screw 65 or the driven screw 64 rotates, the threaded transmission will push or pull the scraper 66 to slide back and forth along the sliding sleeve 63, thereby changing the distance between the scraper 66 and the wall. The operator can intuitively judge the moving distance of the scraper 66 and determine the distance between the scraper 66 and the wall by observing the changes in the values ​​of the scale lines on the scraper 66.

[0026] like Figure 5 As shown, this utility model provides a plastering thickness control and leveling device. A second synchronous wheel 68 is fixedly connected to the drive screw 65 behind the slide table 61. Two driven screws 64 are each fixedly connected to a first synchronous wheel 67 behind them. The two first synchronous wheels 67 and the second synchronous wheel 68 are all driven by a synchronous belt. Both the driven screws 64 and the drive screw 65 are threadedly connected to the support frame 62. A crank handle 69 is fixedly connected to the drive screw 65 behind the support frame 62. During adjustment, the operator can rotate the crank handle 69 to drive the drive screw 65 to rotate without the need for external tools, simplifying the thickness adjustment operation. At the same time, combined with the scale lines of the scraper 66, the scraper 66 can be adjusted to the position corresponding to the designed plastering thickness. When leveling, the scraper 66 will scrape off excess mortar, and the remaining mortar thickness is the preset design thickness.

[0027] The working principle of the plastering thickness control and leveling device will be explained in detail below.

[0028] like Figure 1-5As shown, before construction, the overall posture of the device needs to be adjusted to ensure that the leveling module 6 is in a horizontal state, providing a precise benchmark for subsequent leveling and thickness control. First, the operator rotates the knob 8 at the bottom of the frame 1, which drives the support screw 9 fixedly connected to it to rotate. Because the support screw 9 is threadedly connected to the bottom of the frame 1, it will move up and down along the thread when rotated, thereby changing the distance between the bottom foot pad 10 of the support screw 9 and the bottom of the frame 1. By adjusting the multiple knobs 8 at the bottom of the frame 1, the height of the corresponding foot pad 10 can be controlled respectively, ultimately keeping the leveling module 6 above the frame 1 horizontal. After the posture calibration is completed, the motor 2 is started, and the output shaft of the motor 2 rotates, driving the pulley fixedly connected to it to rotate. This pulley transmits power to the pulley outside the drive wheel 3 through the belt, thereby driving the drive wheel 3 to rotate around the rotation connection point of the frame 1. When the drive wheel 3 rotates, it drives the belt that is mounted together with the outer side of the drive wheel 3, the outer side of the guide wheel 5, and the outer side of the roller on the roller frame 7 to rotate. Because the support frame 62 of the leveling module 6 is fixedly connected to the transmission belt 4, the belt rotation will synchronously drive the support frame. 62 and the entire leveling module 6 move; because the slide table 61 of the leveling module 6 is slidably connected to the guide rails 11 fixed on the left and right sides of the frame 1 through the slider 12, the leveling module 6 will move back and forth stably along the length of the guide rails 11. At the same time, the scraper 66 in front of the slide table 61 contacts the wall surface and scrapes off the excess mortar on the wall surface. During adjustment, first place the scraper 66 in the initial position with the side closest to the wall surface. The operator rotates the crank handle 69 at the rear end of the drive screw 65. The crank handle 69 drives the drive screw 65, which is fixedly connected to it, to rotate. The drive screw 65 is threadedly connected to the slide table 61 and the support frame 62 respectively, and the rear end passes through the slide table 61 and then... Synchronous pulley 68 is fixedly connected, so when the drive screw 65 rotates, synchronous pulley 68 will rotate synchronously with it. Synchronous pulley 68 transmits rotational power to synchronous pulley 67 fixed at the rear end of the two driven screws 64 through a synchronous belt, driving the two driven screws 64 to rotate synchronously. Because the two driven screws 64 are threadedly connected to the slide table 61 and the support frame 62 respectively, and have the same thread specification as the drive screw 65, they will maintain the same axial movement trend as the drive screw 65 when rotating. The front ends of the drive screw 65 and the two driven screws 64 are all rotatably connected to the scraper 66. When the three rotate synchronously, they will jointly push or pull the scraper 66. The scraper 66 slides inside the sliding sleeve 63 fixed in front of the sliding table 61. The operator can visually judge the moving distance of the scraper 66 by observing the scale lines marked on the left and right sides of the scraper 66. When the distance between the scraper 66 and the wall reaches the designed plaster thickness, the crank handle 69 is stopped. During the scraping process, the two driven screws 64 are symmetrically distributed on both sides of the drive screw 65, which can stabilize and guide the sliding of the scraper 66 and prevent the scraper 66 from deviating due to unilateral force. The cooperation of the first synchronous wheel 67 and the second synchronous wheel 68 further ensures the synchronous rotation of the drive screw 65 and the driven screw 64, ensuring that the scraper 66 always moves in parallel and avoids fluctuations in the distance.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A plastering thickness control and leveling device, comprising a frame (1), characterized in that: A motor (2) is fixedly connected above the frame (1). A drive wheel (3) is rotatably connected in front of the motor (2) on the frame (1). A guide wheel (5) is rotatably connected in front of the drive wheel (3) on the frame (1). A roller frame (7) is fixedly connected above the guide wheel (5) on the frame (1). Rollers are provided on the roller frame (7). A belt is provided on the outer sleeve of the drive wheel (3), guide wheel (5) and roller frame (7). A scraping module (6) is fixedly connected between the belt and the roller frame (7) and the guide wheel (5). A pulley is fixedly connected to the output shaft of the motor (2) and the outer side of the drive wheel (3), and the transmission is carried out by the belt.

2. The plastering thickness control and leveling device according to claim 1, characterized in that: The bottom of the frame (1) is threaded with several support screws (9), and each support screw (9) is fixedly connected to a knob (8) and a foot pad (10) at both ends.

3. The plastering thickness control and leveling device according to claim 2, characterized in that: The leveling module (6) includes a slide table (61). The frame (1) is fixedly connected to guide rails (11) on both the left and right sides of the slide table (61). A slider (12) is slidably connected to the outside of each guide rail (11). Each slider (12) is fixedly connected to the slide table (61). A support frame (62) is fixedly connected to the rear of the slide table (61). The support frame (62) is fixedly connected to the transmission belt (4).

4. The plastering thickness control and leveling device according to claim 3, characterized in that: A sliding sleeve (63) is fixedly connected to the front of the slide table (61). A scraper (66) is slidably connected inside the sliding sleeve (63). Scale lines are drawn on both the left and right sides of the scraper (66). A drive screw (65) is rotatably connected to the rear of the scraper (66). A driven screw (64) is rotatably connected to both the left and right sides of the drive screw (65). Both the driven screw (64) and the drive screw (65) are threadedly connected to the slide table (61).

5. The plastering thickness control and leveling device according to claim 4, characterized in that: The drive screw (65) is fixedly connected to a second synchronous pulley (68) behind the slide (61), and the two driven screws (64) are fixedly connected to a first synchronous pulley (67) behind the driven screws (64). The two first synchronous pulleys (67) and the second synchronous pulley (68) are driven by a synchronous belt.

6. The plastering thickness control and leveling device according to claim 5, characterized in that: Both the driven screw (64) and the driving screw (65) are threadedly connected to the support frame (62), and the driving screw (65) has a rocker arm (69) fixedly connected to the rear of the support frame (62).

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