Cutting tool for building construction external wall insulation board

Abstract

A cutting tool for an external wall insulation board in house building construction relates to the technical field of house building construction and comprises a base, a front positioner, a rear positioner, a cutting mechanism, a handle and a lifting mechanism, the handle is arranged on the upper surface of the base, the cutting mechanism is provided with a disc saw blade penetrating through the base, the disc saw blade is driven by a driving motor, and the lifting mechanism is arranged on the base. The driving motor is connected with the upper surface of the base through the lifting mechanism, the front positioner and the rear positioner are symmetrically arranged at the front end and the rear end of the base and used for positioning cutting marking lines of the wall heat preservation plate, and the disc saw blade is used in cooperation with the front positioner and the rear positioner. The wall surface insulation board cutting device can effectively improve the convenience of wall surface insulation board cutting, is simple in structure and convenient to carry, can improve the insulation board cutting quality, and avoids the problem of poor quality caused by manual cutting through a simple tool.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a tool for cutting external wall insulation boards during building construction. Background Art

[0002] The existing building walls are equipped with exterior wall insulation board structures. When workers lift and install the fixed-size boards, some parts need to be cut and adjusted. However, the construction environment of aerial work is very different from that of ground cutting. Workers often use simple tools to cut, which often leads to poor cutting quality.

[0003] Most of the existing insulation board cutting tools are suitable for cutting insulation boards on the ground, such as the utility model application number CN202121295437.4, a cutting tool for external wall insulation boards; another example is the invention application application number CN201110350192.5, a horizontal cutting device for insulation boards. Therefore, it is necessary to develop an insulation board cutting tool that is easy for workers to carry, used for cutting insulation boards on the wall, and can improve the cutting quality. Utility Model Content

[0004] The invention provides a cutting tool for external wall insulation boards in building construction. The tool is easy for workers to carry and is used for cutting insulation boards on the wall, and can improve the cutting quality.

[0005] To achieve the above purpose, the technical solution of this novel invention is:

[0006] A tool for cutting exterior wall insulation boards for building construction comprises a base, a front positioner, a rear positioner, a cutting mechanism, a handle, and a lifting mechanism. The upper surface of the base is provided with a handle, the cutting mechanism is provided with a circular saw blade penetrating the base, the circular saw blade is driven by a driving motor, and the driving motor is connected to the upper surface of the base through the lifting mechanism. The front and rear ends of the base are symmetrically provided with a front positioner and a rear positioner, the front positioner and the rear positioner are used for positioning with respect to a cutting mark line of a wall insulation board, and the circular saw blade is used in conjunction with the front positioner and the rear positioner.

[0007] Preferably, the base is a cubic plate structure, and an elastic rubber layer is provided on the lower surface of the base.

[0008] Preferably, the base is provided with a strip-shaped through-hole, and the lower edge of the circular saw blade passes through the strip-shaped through-hole, and the length of the strip-shaped through-hole is sufficient to adjust the height of the lower edge of the circular saw blade passing through the strip-shaped through-hole to match the thickness of various models of insulation boards to be cut.

[0009] Preferably, the driving motor is provided with a cubic motor housing, and the bottom end of the motor housing is connected to a lifting mechanism, the lifting mechanism includes a sleeve located in the middle, a first screw and a second screw arranged at the upper and lower ends of the sleeve, and the two ends of the inner surface of the sleeve are provided with internal threads with opposite rotation directions, the opposite ends of the first screw and the second screw are respectively screwed with the upper and lower ends of the inner surface of the sleeve, and the opposite ends of the first screw and the second screw are respectively fixedly connected with the bottom end of the motor housing and the top end of the base, and the sleeve is rotated, and the first screw and the second screw move simultaneously in the direction close to or away from the sleeve.

[0010] Preferably, the circular saw blade outer cover is provided with a protective cover.

[0011] Preferably, the outer walls of the motor housing on both sides of the output shaft of the driving motor are slidably connected with L-shaped guide plates, the bottom ends of the L-shaped guide plates are fixedly connected to the upper surface of the base, and the inner surfaces of the L-shaped guide plates are respectively slidably connected to one end of the motor housing facing the circular saw blade and the side of the motor housing.

[0012] Preferably, a notch is also provided at the bottom of the side of the L-shaped guide plate.

[0013] Preferably, the front locator and the rear locator have the same structure and both include a locator body, the locator body includes a hinged seat fixedly arranged on the upper surface of the base, a mounting seat is hingedly connected to the hinged seat through a damping shaft, a laser pen is installed on the end of the mounting seat, the colored laser lines emitted by the laser pens of the front locator and the rear locator are coplanar with the center plane of the circular saw blade on surface A, and surface A is perpendicular to the upper and lower surfaces of the base.

[0014] Preferably, the laser pens of the front positioner and the rear positioner face in opposite directions, and a knob is further provided at the end of the damping shaft.

[0015] Preferably, the base is also provided with a battery for powering the drive motor, and the handle is provided with a control panel.

[0016] The new type of external wall insulation board cutting tool for building construction has the following beneficial effects:

[0017] The new type can effectively improve the convenience of cutting wall insulation boards, has a simple structure, is easy to carry, can improve the quality of cutting insulation boards, and avoid the problem of poor quality caused by manual cutting with simple tools. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 , a schematic diagram of the operating principle of the new model;

[0019] Figure 2 , a schematic diagram of the top view of the structure of the novel;

[0020] Figure 3, a schematic cross-sectional view of the novel structure along the AA direction;

[0021] Figure 4 , a schematic diagram of the structure of the new lifting mechanism in cooperation with the motor housing;

[0022] Figure 5 , a schematic diagram of the side structure of the novel L-shaped guide plate;

[0023] 1. Wall insulation board; 2. Cutting mark line; 3. Cutting tool for exterior wall insulation board of building construction; 4. Positioner body; 41. Articulated seat; 42. Mounting seat; 43. Damping shaft; 44. Laser pen; 45. Laser line; 5. Strip through-hole; 6. Circular saw blade; 7. Motor housing; 8. L-shaped guide plate; 81. Notch; 9. Base; 91. Elastic rubber layer; 10. First handle; 11. Second handle; 12. Sleeve; 13. First screw; 14. Second screw. DETAILED DESCRIPTION

[0024] The following is a detailed description of the implementation method of the present invention in a step-by-step manner. The description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inside" and "outside" indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only used to describe the present invention and simplify the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore cannot be understood as a limitation on the present invention.

[0026] The following embodiments may be understood as explaining part of the structure of the present invention individually, or may be understood as a combination of multiple embodiments to illustrate the structure of the present invention in a wider range.

[0027] Example 1

[0028] A tool for cutting exterior wall insulation boards for building construction, such as Figure 1-5 As shown, it includes a base 9, a front positioner, a rear positioner, a cutting mechanism, a handle, and a lifting mechanism. The upper surface of the base 9 is provided with a handle. The cutting mechanism is provided with a circular saw blade 6 that passes through the base. The circular saw blade 6 is driven by a driving motor. The driving motor is connected to the upper surface of the base 9 through a lifting mechanism. The front and rear ends of the base 9 are symmetrically provided with a front positioner and a rear positioner. The front positioner and the rear positioner are used to position the cutting mark line 2 of the wall insulation board 1. The circular saw blade 6 is used in conjunction with the front positioner and the rear positioner.

[0029] In this embodiment, in order to facilitate workers to carry, the structure of the cutting tool is simplified, and a front positioner and a rear positioner are configured. The front positioner and the rear positioner can ensure that the circular saw blade moves along the cutting mark line 2 to ensure the cutting quality.

[0030] Example 2

[0031] like Figure 2 , 3 As shown, the base 9 is a cubic plate structure, and an elastic rubber layer 91 is provided on the lower surface of the base 9 to provide protection for the insulation board.

[0032] Example 3

[0033] like Figure 2 , 3 As shown, the base 9 is provided with a strip-shaped through-hole 5, and the lower edge of the circular saw blade 6 passes through the strip-shaped through-hole 5. The length of the strip-shaped through-hole 5 satisfies: the height at which the lower edge of the circular saw blade 6 passes through the strip-shaped through-hole 5 is adjusted to meet the thickness of various types of insulation boards to be cut. In other words, when the height of the circular saw blade is adjusted under the control of the lifting mechanism, the needs of cutting insulation boards of various thicknesses can be met.

[0034] Example 4

[0035] like Figure 2 , 4 As shown, the driving motor is provided with a cubic motor housing 7, and the bottom end of the motor housing 7 is connected to a lifting mechanism, and the lifting mechanism includes a sleeve 12 located in the middle, a first screw 13 and a second screw 14 arranged at the upper and lower ends of the sleeve 12, and the inner surface of the sleeve 12 is provided with internal threads with opposite rotation directions at both ends, and the opposite ends of the first screw 13 and the second screw 14 are respectively screwed with the upper and lower ends of the inner surface of the sleeve 12, and the opposite ends of the first screw 13 and the second screw 14 are respectively fixedly connected with the bottom end of the motor housing 7 and the top end of the base 9, and the sleeve 12 is rotated, and the first screw 13 and the second screw 14 move simultaneously in the direction of approaching or moving away from the sleeve 12, thereby realizing the adjustment of the height of the circular saw blade, and the height of the circular saw blade passing through the strip-shaped through-hole 5 is adjusted to adapt to the cutting of wall insulation boards 1 of different thicknesses.

[0036] like Figure 2 , 3 As shown, the circular saw blade outer shell is provided with a protective cover (which is a common technique and not shown in the figure).

[0037] Example 5

[0038] like Figure 2 , 4As shown, the outer walls of the motor housing 7 on both sides of the output shaft of the driving motor are slidably connected with L-shaped guide plates 8, the bottom ends of the L-shaped guide plates 8 are fixedly connected to the upper surface of the base 9, and the inner surfaces of the L-shaped guide plates 8 are respectively slidably connected to one end of the motor housing 7 facing the circular saw blade and the side of the motor housing 7, thereby limiting the moving trajectory of the motor housing and keeping the tool stable during cutting.

[0039] like Figure 4 , 5 As shown, the bottom of the side of the L-shaped guide plate 8 is also provided with a notch 81 to facilitate the rotation of the sleeve 12.

[0040] Example 6

[0041] like Figure 1 , 2 As shown in Figure 3, the front positioner and the rear positioner have the same structure and both include a positioner body 4. The positioner body 4 includes a hinge seat 41 fixed on the upper surface of the base 1. A mounting seat 42 is hinged in the hinge seat 41 through a damping shaft 43. A laser pen 44 is installed at the end of the mounting seat 42. The colored laser line 45 emitted by the laser pen 44 of the front positioner and the rear positioner is coplanar with the center plane of the circular saw blade 6 on surface A. The surface A is perpendicular to the upper and lower surfaces of the base 9.

[0042] like Figure 2 As shown, the laser pens 44 of the front positioner and the rear positioner face in opposite directions, and a knob is also provided at the end of the damping shaft 43.

[0043] The base 9 is also provided with a storage battery (not shown in the figure) for supplying power to the driving motor, and the handle is provided with a control panel (not shown in the figure).

[0044] The use principle of this new model:

[0045] like Figure 1 , 3 As shown, when in use, draw a cutting mark line 2 on the wall insulation board 1, adjust the lifting mechanism so that the height of the lower edge of the circular saw blade matches the thickness of the wall insulation board, and then face the base 9 to the wall insulation board 1, so that the front and rear laser lines intersect with the cutting mark line, start the drive motor, and always keep the front and rear laser lines intersecting with the cutting mark line during cutting to complete the cutting of the insulation board.

Claims

1. A tool for cutting exterior wall insulation boards for building construction, characterized by: It includes a base, a front positioner, a rear positioner, a cutting mechanism, a handle, and a lifting mechanism. The upper surface of the base is provided with a handle. The cutting mechanism is provided with a circular saw blade that passes through the base. The circular saw blade is driven by a driving motor. The driving motor is connected to the upper surface of the base through a lifting mechanism. The front and rear ends of the base are symmetrically provided with a front positioner and a rear positioner. The front positioner and the rear positioner are used to position the cutting mark line of the wall insulation board. The circular saw blade is used in conjunction with the front positioner and the rear positioner.

2. A cutting tool for exterior wall insulation board for building construction as claimed in claim 1, characterized in that: The base is a cubic plate structure, and an elastic rubber layer is arranged on the lower surface of the base.

3. A cutting tool for exterior wall insulation board for building construction as claimed in claim 2, characterized in that: The base is provided with a strip through-hole, through which the lower edge of the circular saw blade passes, and the length of the strip through-hole satisfies: the height through which the lower edge of the circular saw blade passes can be adjusted to the thickness that meets the requirements of various types of insulation boards to be cut.

4. A cutting tool for exterior wall insulation board for building construction as claimed in claim 3, characterized in that: The driving motor is provided with a cubic motor housing, and the bottom end of the motor housing is connected to a lifting mechanism. The lifting mechanism includes a sleeve located in the middle, a first screw and a second screw arranged at the upper and lower ends of the sleeve, and the two ends of the inner surface of the sleeve are provided with internal threads with opposite rotation directions. The opposite ends of the first screw and the second screw are respectively screwed with the upper and lower ends of the inner surface of the sleeve, and the opposite ends of the first screw and the second screw are respectively fixedly connected with the bottom end of the motor housing and the top end of the base. When the sleeve is rotated, the first screw and the second screw move simultaneously in the direction close to or away from the sleeve.

5. A cutting tool for exterior wall insulation board for building construction as claimed in claim 4, characterized in that: The outer cover of the circular saw blade is provided with a protective cover.

6. A tool for cutting exterior wall insulation boards for building construction as claimed in claim 5, characterized in that: The outer walls of the motor housing on both sides of the drive motor output shaft are slidably connected with L-shaped guide plates, the bottom ends of the L-shaped guide plates are fixedly connected to the upper surface of the base, and the inner surfaces of the L-shaped guide plates are slidably connected to one end of the motor housing facing the circular saw blade and the side of the motor housing.

7. A cutting tool for exterior wall insulation board for building construction as claimed in claim 6, characterized in that: The bottom of the side of the L-shaped guide plate is also provided with a notch.

8. A tool for cutting exterior wall insulation boards for building construction as claimed in claim 7, characterized in that: The front locator and the rear locator have the same structure and both include a locator body. The locator body includes a hinged seat fixed on the upper surface of the base. A mounting seat is hinged inside the hinged seat through a damping shaft. A laser pen is installed on the end of the mounting seat. The colored laser lines emitted by the laser pens of the front locator and the rear locator are coplanar with the center plane of the circular saw blade on surface A, and surface A is perpendicular to the upper and lower surfaces of the base.

9. A tool for cutting exterior wall insulation boards for building construction as claimed in claim 8, characterized in that: The laser pens of the front positioner and the rear positioner face in opposite directions, and a knob is also provided at the end of the damping shaft.

10. A tool for cutting exterior wall insulation boards for building construction as claimed in claim 9, characterized in that: The base is also provided with a storage battery for supplying power to the driving motor, and the handle is provided with a control panel.

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