CN210477239U

CN210477239U - Building board cuts device for construction

Info

Publication number: CN210477239U
Application number: CN201920806568.0U
Authority: CN
Inventors: 左春辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-05-08
Anticipated expiration: 2029-05-31

Abstract

The utility model relates to a construction machinery specifically is a building board cuts device for construction. Including frame, anchor clamps, cutter and lift lead screw, anchor clamps are twisted the nut through the hand and are fixed in the frame, the frame both sides are equipped with vertical guide slot one, two the guide slot is equipped with the cutter and can slide in guide slot one within a definite time, the cutter is the echelonment zigzag, and middle long both sides are short, there is abrasive paper cutter side, be connected with on the cutter the lift lead screw, the lift lead screw can rotate on the cutter, two be equipped with the connecting plate above the guide slot one, threaded screw connects on the lift lead screw in the screw hole of connecting plate, there is the motor on the lift lead screw top, there is guide slot two motor both sides, there is the apron on the guide slot. The utility model discloses simple structure, convenient to use only need fix panel in the frame with anchor clamps to the starter motor can carry out panel and cut, has reduced the pollution.

Description

Building board cuts device for construction

Technical Field

The utility model relates to a construction machinery specifically is a building board cuts device for construction.

Background

With the improvement of living standard, the housing is not only a place capable of sheltering from wind and rain, but also a place capable of warming our mind. In the house decoration process, various wood building boards are often used to realize the warm feeling in the house, and the boards are usually manufactured by manual secondary processing, have low density and good toughness and are convenient to carry and process. At present, the main method for cutting the plate is to adopt a cutting machine to cut the plate, so that the plate has better flatness and accuracy, but a large amount of sawdust can be generated at the same time, peculiar smell generated by friction pollutes the indoor environment, the plate is inconvenient to clean in later period sanitation, and although the plate can be broken by bare hands due to lower strength, the flatness and the accuracy cannot be guaranteed. In order to solve the problem, the utility model provides a building board cuts device for construction.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a building board cuts device for construction makes things convenient for constructor to carry out cutting of building board.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a building board cutting device for building construction comprises a rack, a clamp, a cutter and a lifting screw rod. The frame is the main body part of the utility model, the clamp is fixed on the frame by screwing the nut by hand, two sides of the frame are provided with a first guide groove, a cutter is arranged between the first guide groove and the second guide groove and can slide in the first guide groove, the cutter is in a step-shaped zigzag shape, the middle of the cutter is long, the two sides of the cutter are short, sand paper is arranged on the side surface of the cutter, the cutter is connected with the lifting screw rod, the lifting screw rod can rotate on the cutter, a connecting plate is arranged on one of the two guide grooves, the connecting plate is provided with a first threaded through hole, two ends of the upper surface of the connecting plate are provided with second guide grooves, the lifting screw rod is provided with threads, the thread part of the lifting screw rod is spirally connected on the first thread through hole of the connecting plate, the top end of the lifting screw rod is connected with a motor, and guide blocks are arranged on two sides of the motor, the guide blocks can slide in the second guide grooves, and cover plates are arranged on the second guide grooves.

Further, the frame has four legs, each of which has a length greater than the length of the cutter.

Furthermore, each support leg of the rack is provided with a threaded through hole along the insertion direction of the plate, an adjusting screw rod is spirally connected in the threaded through hole, one end of the adjusting screw rod is provided with a rotating handle, and the two adjusting screw rods on each surface are connected with a positioning plate to assist in positioning the plate.

Furthermore, the middle parts of the two guide grooves on the rack are connected and reinforced, and a through hole allowing the cutter and the screw rod to pass through is formed in the rack.

Furthermore, the blade of the cutter inclines towards the insertion direction of the plate, and the height difference of two adjacent saw teeth of the cutter is larger than the maximum allowable plate cutting thickness.

Furthermore, the sand paper is adhered to the side face of the cutter through glue.

Further, a spring is arranged between the motor and the connecting plate on the screw rod, and the distance from the highest point of the spring when the spring is freely stretched to the motor is larger than the distance from the highest point of the cutter teeth to the working surface of the rack.

Further, the surface of the clamp is covered with rubber.

Furthermore, the surface of the frame is provided with scales, and the positioning plate is provided with a graduated scale along the moving direction of the building board.

The utility model has the advantages that:

the utility model has simple structure and convenient use, only needs to fix the plate on the frame by the clamp, starts the motor to rotate the screw rod to push the cutter to move, applies a great force to the plate by the force amplification effect of the screw thread and the force concentration effect of the sawtooth of the cutter, and ensures that the plate is broken a little by a little to complete the cutting of the plate; the plate is fixed by the fixture, and the positioning plate is used for auxiliary positioning, so that large deformation and position movement of the plate are avoided, and the plate cutting accuracy is improved; the guide groove is adopted to limit the displacement of the pair of cutters, so that the cutting accuracy of the cutters is improved; the abrasive paper is arranged on the side face of the cutter, when the lifting screw rod rotates, the plate can be cut off, and meanwhile, the abrasive paper on the side face of the cutter can polish the section, so that the section is more orderly; the setting of spring can avoid the cutter to reduce the resistance after cutting off panel and accelerate suddenly and cause the harm to below article or the person, has played the cushioning effect. The utility model discloses compare with current cutting machine, adopt the cutter to carry out panel and cut rapidly, efficiency is higher relatively, it is lower to operating personnel experience of use requirement simultaneously, cutting accuracy and reproducibility are higher than the cutting of manual runner formula, the cost is less than laser cutting and plasma cutting, the splashing and the burnt flavor production that pastes of saw-dust have also been avoided, the noise of hot cutting and friction cutting has been reduced, the pollution of solid waste and air, and there is better suitability, be fit for various low density, low strength, low thickness building board.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic view of the structure of the frame and the clamp of the present invention.

Fig. 4 is a schematic view of the structure of the cutter and the screw rod of the present invention.

Fig. 5 is a cross-sectional view of the connection mode of the cutter and the screw rod of the present invention.

Fig. 6 is a schematic diagram of the positioning plate structure of the present invention.

Fig. 7 is a circuit diagram of the motor control circuit of the present invention.

Wherein: 1 machine frame, 2 clamps, 3 cutters, 4 lifting screw rods, 5 thrust ball bearings, 6 shaft sleeves, 101 guide groove I, 102 connecting plates, 103 supporting legs, 104 scales, 105 guide groove II, 106 adjusting screw rods, 107 positioning plates, 108 cover plates, 201 hand-screwed nuts, 301 abrasive paper, 401 threaded parts, 402 motors, 403 springs, 4021 guide blocks, 1021 threaded hole I, 1031 threaded hole II, 1061 rotating handles and 1071 graduated scales.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "back", "vertical", "lateral", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 7, the utility model discloses a building board cuts device for building construction. Comprises a frame 1, a clamp 2, a cutter 3 and a lifting screw rod 4. The frame 1 is a main body part of the utility model, a frame structure is adopted, a rectangular through hole is arranged on the upper surface of the frame 1, clamps 2 are arranged on two sides of the rectangular through hole and perpendicular to the insertion direction of the building board, the clamp 2 is a rectangular block, the middle part is high, two ends are low, through holes are arranged at two ends of the clamp 2 and are sleeved on reserved studs of the frame 1, and the clamp 2 is fixed on the frame 1 by screwing a nut 201 by hand; the two ends of a rectangular through hole of a frame 1 are positioned above two clamps 2, the two guide grooves I101 are grooves, the opening directions of the two guide grooves I101 are opposite, a cutter 3 is arranged between the two guide grooves I101 and can slide in the guide grooves 101, the cutting edge of the cutter 3 is in a step-shaped sawtooth shape, the middle of the cutter 3 is long, the two sides of the cutter are short, the length of a cutter body of the cutter 3 is long, the side surface of the cutter is provided with abrasive paper 301, the upper part of the cutter 3 is connected with a lifting screw rod 4, a slender shaft is arranged above the cutter 3, a thick short shaft is arranged above the slender shaft, a slender shaft is arranged below the screw rod 4, a thick short shaft is arranged below the slender shaft, a thrust ball bearing 5 is arranged between the two thick short shafts, two thrust ball bearings 5 are sleeved on each slender shaft, a shaft sleeve 6 is arranged between the two thrust ball bearings 5 on the slender, the screw rod 4 can rotate above the cutter 3, the connecting plates 102 are arranged on the two first guide grooves 101, the two second guide grooves 105 are arranged in the vertical direction at the two ends of the connecting plates 102, the two second guide grooves 105 are grooves, the opening directions of the two second guide grooves are opposite, the threaded holes 1021 are formed in the connecting plates 102, the screw rod 4 is provided with a threaded part 401, the threaded part 401 of the screw rod 4 is spirally connected to the threaded holes 1021 of the connecting plates 102, the motor 402 is connected above the screw rod 4, the forward and reverse rotation of the motor 402 is controlled by a double-pole double-throw switch, the guide blocks 4021 are arranged on the two sides of the motor 402, the guide blocks 4021 can slide in the guide grooves 105, and. In a preferred embodiment, the motor is selected to be a PL28-1100W-10S type motor.

Further, the machine frame 1 is provided with four supporting legs 103, the length of each supporting leg 103 is larger than that of the cutter 3, and the utilization rate of the cutter 3 is improved. Two 1031 threaded holes are formed in each supporting leg 103 of the rack 1 along the plate inserting direction, adjusting screw rods 106 are spirally connected in the threaded holes 1031, a rotating handle 1061 is arranged at one end of each adjusting screw rod 106, and two adjusting screw rods 106 on each side are connected with a positioning plate 107 to assist in positioning the plates, so that the cutting accuracy is improved. The middle parts of the two guide grooves 101 on the frame 1 are connected and reinforced, and are provided with through holes for allowing the cutters 3 and the screw rods 4 to pass through, so that the operation stability of the cutters is kept. The cutting edge of the cutter 3 inclines towards the insertion direction of the plate, the height difference of two adjacent saw teeth of the cutter 3 is larger than the allowable maximum plate cutting thickness, and the cutting accuracy and the cutting capability are improved. Sand paper 301 is pasted on the side of the cutter 3 through glue, so that replacement is convenient. A spring 403 is arranged between the motor 402 and the connecting plate 102 on the lifting screw rod 4, the distance from the highest point of the spring 403 to the motor 402 when the spring is kept in free extension is larger than the distance from the highest point of the cutter teeth of the cutter 3 to the working surface of the rack 1, and personnel and article damages caused by rapid falling of the cutter 3 due to sudden reduction of resistance borne by the screw rod 4 at the moment of breakage of the plate are avoided. The surface of the clamp 2 is coated with rubber, so that the anti-skid capacity is improved. Frame 1 has scale 104 on the surface, and locating plate 107 is equipped with scale 1071 along building board moving direction, and the staff of being convenient for judges the length of cutting.

The working principle is as follows: before the use, the staff need be according to actual need with the abrasive paper on the cutter change for the abrasive paper of suitable roughness to it is firm to adopt glue to paste. When the plate cutting machine is used, a plate to be cut is placed on the rack and inserted into the lower portion of the clamp, the position of the positioning plate is adjusted through rotating the adjusting screw rod according to the scales and the graduated scale on the rack to determine the size, and the plate is clamped through screwing the nut by hands; starting the motor to enable the lifting screw rod to rotate, enabling the screw rod to slowly move downwards under the action of threads, simultaneously pushing the cutter to move, extruding the cutter and the plate until the plate is broken, continuing to rotate the screw rod, polishing the section by abrasive paper on the side face of the cutter, improving the flatness, and if the flatness requirement cannot be met at one time, reversely rotating the motor for multiple times; meanwhile, the spring avoids the cutter from suddenly dropping, and the danger is reduced. After the use, the motor is rotated reversely, so that the cutter is lifted to have enough space for the next use and the plate is taken out.

Further, the above-mentioned fixed connection and fixed mounting are to be understood in a broad sense unless otherwise specifically stated or limited, and may be, for example, welding, gluing, or integrally formed, as is conventional in the art.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A building board cutting device for building construction is characterized by comprising a rack, a clamp, a cutter and a lifting screw rod; the machine frame is a main body part, the clamp is fixed on the machine frame by screwing a nut by hand, two sides of the machine frame are provided with a first guide groove, a cutter is arranged between the two guide grooves I and can slide in the guide grooves I, the cutter is in a step-shaped zigzag shape, the middle part is long, the two sides are short, the side surface of the cutter is provided with sand paper, the cutter is connected with the lifting screw rod, the lifting screw rod can rotate on the cutter, a connecting plate is arranged on one of the two guide grooves, the connecting plate is provided with a first threaded through hole, two ends of the upper surface of the connecting plate are provided with second guide grooves, the lifting screw rod is provided with threads, the thread part of the lifting screw rod is spirally connected on the first thread through hole of the connecting plate, the top end of the lifting screw rod is connected with a motor, and guide blocks are arranged on two sides of the motor, the guide blocks can slide in the second guide grooves, and cover plates are arranged on the second guide grooves.

2. A building board chopping device for building construction as claimed in claim 1, wherein the frame has four legs, each leg having a length greater than the cutter length.

3. The building board cutting device for building construction as claimed in claim 2, wherein each of the legs of the frame is provided with a threaded through hole along the board insertion direction, an adjusting screw rod is screwed in the threaded through hole, one end of the adjusting screw rod is provided with a rotating handle, and two of the adjusting screw rods on each side are connected with a positioning plate to assist in positioning the board.

4. The building board cutting device for building construction as claimed in claim 1, wherein the frame is reinforced at the middle part of the two guide grooves, and is provided with a through hole for allowing the cutter and the screw rod to pass through.

5. The building board cutting device for building construction as claimed in claim 1, wherein the blade of the cutter is inclined in the board insertion direction, and the height difference between two adjacent saw teeth of the cutter is greater than the maximum allowable cut board thickness.

6. The apparatus as claimed in claim 1, wherein the abrasive paper is adhered to the side of the cutter by glue.

7. The building board cutting device for building construction as claimed in claim 1, wherein a spring is provided between the motor and the connecting plate on the screw rod, and the distance from the highest point of the spring when the spring is freely extended to the motor is greater than the distance from the highest point of the cutter teeth to the working surface of the frame.

8. The building board cutting device for building construction according to claim 1, wherein the surface of the jig is covered with rubber.

9. The building board cutting device for building construction as claimed in claim 3, wherein the frame has a scale on its surface, and the positioning plate has a scale along the moving direction of the building board.

10. The building board cutting device for building construction as claimed in claim 1, wherein there is an elongated shaft above said cutter, there is a thick stub shaft above said elongated shaft, there is an elongated shaft below said lifting screw, there is a thick stub shaft below said elongated shaft, there are thrust ball bearings between two said thick stub shafts, there are two said thrust ball bearings on each said elongated shaft, there are shaft sleeves from above said cutter between two said thrust ball bearings of said elongated shaft to below said lifting screw between two said thrust ball bearings of said elongated shaft, said elongated shaft length is twice said thrust ball bearing width and sum of said shaft sleeve thickness.