Wall surface grinding machine for constructional engineering

Abstract

The utility model discloses a wall surface polisher for constructional engineering, relates to the technical field of building construction, and aims to solve the problems that the existing wall surface polishing needs to be completed by workers and the efficiency is low, the technical scheme is that the wall surface polisher comprises a first shell, and a grip is fixed at one end of the first shell; the other end of the first shell is in sliding fit with a second shell, a supporting plate is fixed to the middle of the inner wall of the second shell, and a plurality of springs are connected between the supporting plate and the first shell. A motor is installed in the first shell, and a rectangular connecting rod is fixed to the output end of the motor. The spring damping mechanism can relieve vibration generated when the grinding machine works, grinding work is not affected, the service life of the grinding machine is further prolonged, the grinding disc can be installed through a fastener, operation is convenient, cost is low, the grinding disc is convenient to replace, and the grinding disc is convenient to replace. And multiple purposes of the grinding machine are achieved by replacing the grinding disc and the polishing disc.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of building construction, concretely relates to a wall polisher for building engineering. BACKGROUND

[0002] The wall polisher is a tool for polishing and sanding the wall. It is usually equipped with different types and thicknesses of sandpaper to remove unevenness, roughness or paint residue on the wall, making the wall surface smoother and more even. The wall polisher plays a very important role in decoration and renovation projects, which can improve construction efficiency and ensure that the wall quality meets the requirements.

[0003] The patent application with publication number CN216802778U discloses a wall polisher, characterized in that it comprises a shell composed of shell part one and shell part two, the inner cavity of shell part one is in communication with the inner cavity of shell part two, a rotating block is arranged in shell part one, an opening is arranged on shell part one to expose the end face of the rotating block, a motor is arranged in shell part two, and the handle front end is fixed to shell part two. The rotating block is composed of a first rotating block and a second rotating block arranged coaxially inside and outside, the end faces of the first rotating block and the second rotating block exposed to the outside of the shell are flush and used for fixing sandpaper, and the first rotating block and the second rotating block rotate around the same self-rotation axis under the action of the same motor. The utility model has the advantages of more stable use and multifunctional use. The utility model also has the advantage of wider dust diffusion range.

[0004] The above patent application simply uses a motor to drive a polishing disc to polish the wall. Firstly, the polishing disc is not easy to replace, and a polishing disc with higher precision cannot be replaced. Secondly, the polishing machine will vibrate when starting, and this vibration cannot be buffered, which will damage the polishing machine over time.

[0005] Therefore, the utility model provides a wall polisher for building engineering to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies of the prior art, the utility model aims to provide a wall polisher for building engineering, which has the advantages of a spring damping mechanism that can alleviate the vibration generated during the operation of the polishing machine without affecting the polishing work, thereby prolonging the service life of the polishing machine. Secondly, the polishing disc can be installed through fasteners, which is convenient to operate and low in cost, facilitating the replacement of the polishing disc, and the polishing machine can be used for multiple purposes by replacing the polishing disc and the polishing disc.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The utility model provides a wall polisher for construction engineering, which comprises a first shell, a handle fixed to one end of the first shell,

[0009] A second shell is slidingly fitted to the other end of the first shell, a support plate is fixed to the inner wall of the second shell, and a plurality of springs are connected between the support plate and the first shell.

[0010] A motor is installed in the first shell, a rectangular connecting rod is fixed to the output end of the motor, a rotating disc is rotatably fitted to the end of the second shell away from the first shell, a polishing disc is installed on the outer surface of the rotating disc, and the rectangular connecting rod is slidingly connected with the rotating disc.

[0011] By adopting the above technical scheme, the motor is embeddedly installed, so that the space can be saved to the maximum extent and the size of the device is reduced. The structure connection between the plurality of springs and the two shells can alleviate the vibration generated during the operation of the polisher without affecting the polishing work, thereby prolonging the service life of the polisher.

[0012] The utility model further sets up that: the end part of first shell is equipped with a plurality of slide grooves on the side, and a plurality of slide blocks are installed on the inner wall of one end of the second shell and slidingly fitted in the slide grooves.

[0013] By adopting the above technical scheme, when the polisher vibrates, the cooperation of the slide grooves and the slide blocks makes the first shell and the second shell more stable.

[0014] The utility model further sets up that: a rectangular cylinder is installed on the side of the rotating disc facing the support plate, and the rectangular connecting rod is slidingly connected in the rectangular cylinder. A through hole is formed in the middle of the support plate, and the rectangular connecting rod is slidingly connected with the rectangular cylinder through the through hole.

[0015] By adopting the above technical scheme, the vibration generated during the operation of the polisher has little effect on the rectangular connecting rod, thereby reducing the influence of the motor connected therewith and prolonging the service life of the motor.

[0016] The utility model further sets up that: an annular slot is formed on the side of the second shell facing the rotating disc, a bearing is installed on the inner wall of the annular slot, and the rotating disc is installed in the annular slot through the bearing.

[0017] By adopting the above technical scheme, the installation of the bearing facilitates the stable rotation of the rotating disc, so that the polishing work is more stable.

[0018] The utility model further sets up that: two installation holes are formed in the polishing disc, the installation holes comprise a deep and thin hole and a shallow and thick hole, and the polishing disc is fixed on the rotating disc through the two installation holes and fasteners.

[0019] By adopting the technical scheme, the fastener can be a screw rod, a screw, etc., wherein the deep and thin hole corresponds to the threaded end of the fastener, and the shallow and thick hole corresponds to the nut end, thereby facilitating fixation of the polishing disc on the rotating disc.

[0020] The utility model further sets up: the one end of handle is provided with finger groove, the lower part of first casing is connected with power line for motor power supply.

[0021] By adopting the technical scheme, the finger groove is arranged, so that the user can hold the sander more stably, and the hand slip condition is reduced.

[0022] To sum up, the beneficial technical effects of the utility model are:

[0023] The spring damping mechanism designed in the utility model can alleviate the vibration generated when the sander works, does not affect the polishing work, thereby prolonging the service life of the sander, secondly, the polishing disc can be installed through the fastener, and the operation is convenient and low in cost, the polishing disc is convenient to replace, and one machine with multiple uses of the sander is realized through replacement of the polishing disc and the polishing disc.

[0024] The specific implementation of the utility model will be described in further detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings. In the drawings:

[0026] Figure 1 It is a schematic view of the main body structure of an embodiment of the utility model;

[0027] Figure 2 It is a schematic view of the front structure of an embodiment of the utility model;

[0028] Figure 3 It is a schematic view of the internal structure of an embodiment of the utility model;

[0029] Figure 4 It is a schematic view of the cross-sectional structure of an embodiment of the utility model;

[0030] In the drawings, the component list represented by each sign is as follows:

[0031] 1, first casing; 101, sliding groove; 2, handle; 201, finger groove; 3, second casing; 301, sliding block; 302, support plate; 303, through hole; 304, annular notch; 4, spring; 5, rotating disc; 6, rectangular connecting rod; 7, rectangular cylinder; 8, power line; 9, polishing disc; 10, fastener. DETAILED DESCRIPTION

[0032] The utility model will be further explained in detail below with reference to the drawings.

[0033] Referring to Figures 1-4 , the utility model discloses a wall polisher for constructional engineering, include: first casing 1, one end fixed with handle 2 of first casing 1, the shape of handle 2 can be designed into the shape that is more in line with the hand, the material of handle 2 can use the material that relatively greater friction is made into;

[0034] The other end of first casing 1 is slidably connected with second casing 3, a support plate 302 is fixed to the inner wall of second casing 3, a plurality of springs 4 are connected between the support plate 302 and first casing 1, and the number of springs 4 can be adjusted according to the vibration generated during actual polishing.

[0035] A motor is installed in the first casing 1, the motor can be inlaidly installed in the first casing 1, and a heat dissipation hole is formed in the first casing 1 for heat dissipation of the motor, a rectangular connecting rod 6 is fixed to the output end of the motor, a turntable 5 is rotatably connected to the end of the second casing 3 away from the first casing 1, a polishing disc 9 is installed on the outer surface of the turntable 5, the polishing disc 9 can be designed as an integral annular structure, or can be designed as several symmetrical parts as shown in the accompanying drawings of the utility model, and the rectangular connecting rod 6 is slidably connected with the turntable 5. Figure 2

[0036] It should be noted that all electrical equipment involved in the present application can be powered by a battery or an external power source.

[0037] Referring to Figures 3-4 , a plurality of sliding grooves 101 are formed in the end portion of the first casing 1 of the embodiment, a plurality of sliding blocks 301 are installed on the inner wall of one end of the second casing 3, the sliding blocks 301 are slidably connected in the sliding grooves 101, when the polisher vibrates during work, the sliding blocks 301 will slide in the sliding grooves 101, so that the connection between the first casing 1 and the second casing 3 is more stable.

[0038] Referring to Figure 4 , the rectangular cylinder 7 is installed on the side of the turntable 5 facing the support plate 302 in the embodiment, and the rectangular connecting rod 6 is slidably connected in the rectangular cylinder 7. A through hole 303 is formed in the middle of the support plate 302, the rectangular connecting rod 6 is slidably connected with the rectangular cylinder 7 through the through hole 303, which avoids the direct connection of the output end of the motor with the turntable 5, thereby reducing the transmission of vibration to the motor and better protecting the motor.

[0039] Referring to Figure 4 , the side of the second casing 3 facing the turntable 5 is provided with an annular slot 304, a bearing is installed on the inner wall of the annular slot 304, the bearing can be semi-embeddedly installed in the annular slot 304 to facilitate better connection with the turntable 5, and the turntable 5 is installed in the annular slot 304 through the bearing.​

[0040] With reference to Figure 1 The polishing disc 9 is internally provided with two mounting holes, including a deep hole and a shallow hole, and is fixed on the rotating disc 5 through the two mounting holes and the fastener 10, which can be a screw rod, a screw, a bolt, etc., wherein the deep hole corresponds to the threaded end of the fastener 10, and the shallow hole corresponds to the nut end, and the rotating disc 5 is internally provided with a threaded hole corresponding to the fastener 10, thereby facilitating the fixation of the polishing disc 9 on the rotating disc 5.

[0041] With reference to Figure 2 One end of the handle 2 is internally provided with a finger slot 201, and the lower part of the first shell 1 is connected with a power cord 8 for supplying power to the motor.

[0042] In one aspect, the application of the embodiment is as follows: when the device is working, the power cord 8 is first connected to the power supply, and then the motor is started, so that the output end of the motor drives the rectangular connecting rod 6 to rotate, the rectangular connecting rod 6 drives the rectangular cylinder 7 to rotate, and then drives the rotating disc 5 and the polishing disc 9 to rotate, thereby polishing.

[0043] When vibration occurs during polishing, the vibration is first transmitted to the second shell 3 through the rotating disc 5, and then transmitted to the plurality of springs 4 through the support plate 302, so that the springs 4 moderate the vibration, and when the springs 4 are compressed, the second shell drives the sliding block 301 to slide in the sliding groove 101, thereby realizing the overall shock absorption process.

[0044] The above embodiments can be combined with each other.

[0045] The embodiments of the specific implementation are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: any equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. A wall grinding machine for construction engineering, comprising: The first shell (1) is characterized in that a handle (2) is fixed to one end of the first shell (1); The other end of the first shell (1) is slidably fitted with a second shell (3), a support plate (302) is fixed to the middle of the inner wall of the second shell (3), and a plurality of springs (4) are connected between the support plate (302) and the first shell (1); A motor is installed inside the first housing (1), and a rectangular connecting rod (6) is fixed to the output end of the motor. A turntable (5) is rotatably fitted on one end of the second housing (3) away from the first housing (1). A grinding disc (9) is installed on the outer surface of the turntable (5), and the rectangular connecting rod (6) is slidably connected to the turntable (5).

2. A wall grinding machine for construction engineering according to claim 1, characterized in that: A plurality of slide grooves (101) are provided on the peripheral side of the end of the first shell (1), and a plurality of sliders (301) are installed on the inner wall of one end of the second shell (3), and the sliders (301) are slidably fitted in the slide grooves (101).

3. A wall grinding machine for construction engineering according to claim 1, characterized in that: A rectangular cylinder (7) is installed on one side of the turntable (5) facing the support plate (302), and the rectangular connecting rod (6) is slidably connected in the rectangular cylinder (7).

4. A wall grinding machine for construction engineering according to claim 3, characterized in that: A through hole (303) is provided in the middle of the support plate (302), and the rectangular connecting rod (6) passes through the through hole (303) and is slidably connected to the rectangular cylinder (7).

5. A wall grinding machine for construction engineering according to claim 1, characterized in that: An annular notch (304) is provided on one side of the second housing (3) facing the turntable (5), a bearing is installed on the inner wall of the annular notch (304), and the turntable (5) is installed in the annular notch (304) via the bearing.

6. A wall grinding machine for construction engineering according to claim 1, characterized in that: Two mounting holes are provided inside the grinding disc (9), and the mounting holes include a deep fine hole and a shallow coarse hole. The grinding disc (9) is fixed on the turntable (5) through the two mounting holes and the fasteners (10).

7. A wall grinding machine for construction engineering according to claim 1, characterized in that: A finger groove (201) is provided at one end of the handle (2), and a power line (8) for supplying power to the motor is connected to the lower portion of the first housing (1).

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