Shearing device for building material processing

Abstract

The utility model relates to the technical field of buildings, in particular to a shearing device for building material processing, which comprises a rectangular frame, the top surface and the bottom surface of the inner wall of the rectangular frame are jointly and fixedly connected with two limiting rods, and the outer walls of the two limiting rods are jointly and slidably connected with a first rectangular plate, a second rectangular plate and a third rectangular plate. The two ends of the first rectangular plate and the two ends of the third rectangular plate are rotationally connected with first connecting rods correspondingly, and every two of the four first connecting rods form a group. The cutting device has the advantages that the first rectangular plate and the third rectangular plate can synchronously and relatively move, meanwhile, the second rectangular plate can move along with the third rectangular plate, and the spring is arranged between the second rectangular plate and the third rectangular plate; and the spring can play a role in protection and buffering, so that the pressure of the cutting knife is limited to a certain extent, the safety of the cutting knife and the personal safety can be protected, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field especially a shearing mechanism for building material processing. BACKGROUND

[0002] Building materials are various materials applied in building engineering. Building materials are various, and are roughly divided into: (1) inorganic material, it includes metal material (including ferrous metal material and nonferrous metal material) and nonmetal material (such as natural stone material, baked clay product, cement, concrete and silicate product etc.). (2) organic material, it includes plant material, synthetic high polymer material (including plastic, coating, viscose agent) and asphalt material. (3) composite material, it includes asphalt concrete, polymer concrete etc., and is generally composed of inorganic nonmetal material and organic material, and in the process of building material use, cutting and pruning work needs to be carried out, the one side of blade in the cutting process of existing device carries out cutting to building material, and uneven stress occurs, the blade is easy to shake, thereby the place where the central shaft and fixing device are connected is easy to loosen, and the device is damaged when extrusion force is too large, and when cutting blade is excessively used, blade fracture has a certain degree of security risk to personnel. SUMMARY

[0003] The utility model aims at overcoming the defects of prior art, and provides a shearing mechanism for building material processing, which effectively solves the deficiencies of prior art.

[0004] In order to realize the above-mentioned purpose, the embodiment of the utility model provides a shearing mechanism for building material processing, which comprises a rectangular frame, the top surface and the bottom surface of the inner wall of the rectangular frame are fixedly connected with two limiting rods, the outer walls of the two limiting rods are slidably connected with a first rectangular plate, a second rectangular plate and a third rectangular plate, the two ends of the first rectangular plate and the two ends of the third rectangular plate are rotatably connected with a first connecting rod, four first connecting rods are divided into two groups, a second connecting rod is arranged between each group of four first connecting rods, the end close to each group of first connecting rods is rotatably connected with the two ends of the second connecting rod, the first connecting rod and the second connecting rod are inclinedly arranged, the middle part of the two second connecting rods close to one side of the rectangular frame is rotatably connected with the rectangular frame, and the top surface of the first rectangular plate and the bottom surface of the second rectangular plate are fixedly connected with a matching block and a cutting knife respectively.

[0005] Preferably, the top surface of the matching block is provided with a cutting groove close to the position of the cutting knife, the position of the cutting groove corresponds to the position of the cutting knife, and the width and depth of the cutting groove are greater than the thickness and width of the cutting knife.

[0006] The technical effects reached by the above scheme are that the scheme can provide space for the movement of the cutting knife, the cutting knife can continue to drop after cutting, the cutting groove can provide space for the drop, the cutting knife is prevented from being damaged, and the cutting knife is protected to some extent and costs are saved.

[0007] Preferably, according to any one of the above schemes, the top surface of the second rectangular plate is fixedly connected with two round rods, the other ends of the two round rods are both penetrated through the third rectangular plate and are in sliding connection with the third rectangular plate, and the top ends of the two round rods are both fixedly connected with nuts.

[0008] The technical effects reached by the above scheme are that the two round rods can be used to limit the second rectangular plate, the second rectangular plate is prevented from being shaken by being driven by the spring at will, and the second rectangular plate and the third rectangular plate can be driven by the round rods to move synchronously.

[0009] Preferably, according to any one of the above schemes, the two sides of the top surface of the second rectangular plate are both fixedly connected with springs near the limiting rods, and the other ends of the two springs are both fixedly connected with the two sides of the bottom surface of the third rectangular plate.

[0010] The technical effects reached by the above scheme are that when the third rectangular plate moves, the second rectangular plate is driven by the spring to move, the downward cutting force of the cutting knife is limited to some extent, and the cutting knife is protected.

[0011] Preferably, according to any one of the above schemes, the two sides of the bottom of the rectangular frame are both fixedly connected with bottom plates, the top surfaces of the two bottom plates are both fixedly connected with two cylinders, the two sides of the matching block are both fixedly connected with working plates, the bottom surfaces of the two working plates are both fixedly connected with two slide rods, and the two slide rods are both in sliding connection with the two cylinders.

[0012] The technical effects reached by the above scheme are that the slide rods and the cylinders can be used to stabilize the working plates, the working plates are prevented from shaking at will or being broken to cause safety accidents during cutting work, safety is ensured, and the working plates are used to assist in pushing the building materials into the cutting knife.

[0013] Preferably, according to any one of the above schemes, the center of the inner wall bottom surface of the rectangular frame is fixedly connected with an electric push rod, and the telescopic end of the electric push rod is fixedly connected with the center of the bottom surface of the first rectangular plate.

[0014] The technical effects reached by the above scheme are that when the electric push rod rises, the first rectangular plate and the third rectangular plate are driven by the first connecting rod and the second connecting rod to move relatively and synchronously.

[0015] The utility model has the following advantages:

[0016] The building material processing shearing device places the building material on the work plate, pushes the part needing to be cut to the lower side of the cutting knife, and connects the first rectangular plate and the third rectangular plate through the second connecting rod, and the first rectangular plate and the third rectangular plate are slidably connected with the limiting rod to play a limiting and stabilizing role, the electric push rod is started, the electric push rod is lifted to drive the first connecting rod and the second connecting rod to rotate, the first rectangular plate and the third rectangular plate are synchronously moved, the second rectangular plate can move with the third rectangular plate, the spring arranged between the second rectangular plate and the third rectangular plate can play a protection and buffering role when the second rectangular plate moves downward with the third rectangular plate to start the cutting work of the cutting knife, the pressure of the cutting knife is limited to a certain extent, and the cutting knife and personal safety are protected, and the cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic view of the first view of the utility model;

[0018] Fig. 2 It is a structural schematic view of the second view of the utility model.

[0019] In the drawing: 1 - rectangular frame, 2 - cutting knife, 3 - cylinder, 4 - bottom plate, 5 - work plate, 6 - spring, 7 - third rectangular plate, 8 - second rectangular plate, 9 - first rectangular plate, 10 - cutting groove, 11 - electric push rod, 12 - matching block, 14 - second connecting rod, 15 - sliding rod, 16 - first connecting rod, 17 - round rod, 18 - limiting rod. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0021] As Figs. 1-2 The utility model discloses a building material processing shearing device, it includes rectangular frame 1, the top surface and bottom surface of rectangular frame 1 inner wall jointly fixed connection have two limiting rods 18, two limiting rods 18 outer wall jointly slide connection have first rectangular plate 9, second rectangular plate 8 and third rectangular plate 7, the both ends of first rectangular plate 9 and the both ends of third rectangular plate 7 all rotate the connection with first connecting rod 16, four first connecting rods 16 are in a group, and every group of four first connecting rods 16 is provided with second connecting rod 14, and the end of every group of first connecting rod 16 is respectively rotatably connected with the both ends of second connecting rod 14, and first connecting rod 16 and second connecting rod 14 are all inclined to set, and the middle portion of two second connecting rods 14 close to the side of rectangular frame 1 is rotatably connected with rectangular frame 1, and the top surface of first rectangular plate 9 and the bottom surface of second rectangular plate 8 are respectively fixedly connected with matching block 12 and cutting knife 2.

[0022] As an optional technical scheme of the utility model, the position of the cutting groove 10 on the top surface of the cooperation block 12 close to the cutting knife 2 is provided, the position of the cutting groove 10 corresponds to the position of the cutting knife 2, the width and depth of the cutting groove 10 are greater than the thickness and width of the cutting knife 2, and the space for the movement of the cutting knife 2 is provided by using the scheme, the cutting knife 2 continues to drop a segment after completing cutting, the cutting groove 10 can provide the space for dropping, prevents the cutting knife 2 from being damaged, and saves the cost to a certain extent.

[0023] As an optional technical scheme of the utility model, the top surface of the second rectangular plate 8 is fixedly connected with two round rods 17, the other ends of the two round rods 17 all penetrate through the third rectangular plate 7 and are slidably connected with the third rectangular plate 7, and the top ends of the two round rods 17 are all fixedly connected with nuts, the second rectangular plate 8 can be limited by using the two round rods 17 by using the scheme, the second rectangular plate 8 is prevented from being shaken due to being driven by the spring 6 at will, and the second rectangular plate 8 and the third rectangular plate 7 can be driven by the round rod 17 to move synchronously.

[0024] As an optional technical scheme of the utility model, the top surface of the second rectangular plate 8 is fixedly connected with two round rods 17, the other ends of the two round rods 17 all penetrate through the third rectangular plate 7 and are slidably connected with the third rectangular plate 7, and the top ends of the two round rods 17 are all fixedly connected with nuts, the second rectangular plate 8 can be limited by using the two round rods 17 by using the scheme, the second rectangular plate 8 is prevented from being shaken due to being driven by the spring 6 at will, and the second rectangular plate 8 and the third rectangular plate 7 can be driven by the round rod 17 to move synchronously.

[0025] As an optional technical scheme of the utility model, the bottom surface of the third rectangular plate 7 is fixedly connected with the spring 6, the other end of the spring 6 is fixedly connected with the bottom surface of the second rectangular plate 8, and the spring 6 is arranged on the side of the second rectangular plate 8 close to the limiting rod 18, the second rectangular plate 8 can be driven to move by using the spring 6 when the third rectangular plate 7 moves, and the downward cutting force of the cutting knife 2 is limited to a certain extent, and the cutting knife 2 is protected.

[0026] As an optional technical scheme of the utility model, the bottom surface of the third rectangular plate 7 is fixedly connected with the spring 6, the other end of the spring 6 is fixedly connected with the bottom surface of the second rectangular plate 8, and the spring 6 is arranged on the side of the second rectangular plate 8 close to the limiting rod 18, the second rectangular plate 8 can be driven to move by using the spring 6 when the third rectangular plate 7 moves, and the downward cutting force of the cutting knife 2 is limited to a certain extent, and the cutting knife 2 is protected.

[0027] The shearing device for building material processing needs the following steps when in use:

[0028] 1) the first connecting rod 16 connects the first rectangular plate 9 and the third rectangular plate 7 through the second connecting rod 14, and the first rectangular plate 9 and the third rectangular plate 7 are slidably connected with the limiting rod 18 to limit and stabilize;

[0029] 2) the first rectangular plate 9 and the third rectangular plate 7 move synchronously and relatively, and the second rectangular plate 8 can move with the third rectangular plate 7;

[0030] 3) when the second rectangular plate 8 moves downward with the third rectangular plate 7 to start the cutting work of the cutting knife 2, the spring 6 can protect and buffer.

[0031] In summary, when the user uses, the building material is placed on the work plate 5, the part to be cut is pushed to the lower part of the cutting knife 2, the first connecting rod 16 connects the first rectangular plate 9 and the third rectangular plate 7 through the second connecting rod 14, and the first rectangular plate 9 and the third rectangular plate 7 are slidably connected with the limiting rod 18 to limit and stabilize, the electric push rod 111 is started, the electric push rod 111 is lifted to drive the first connecting rod 16 and the second connecting rod 14 to rotate, the first rectangular plate 9 and the third rectangular plate 7 move synchronously and relatively, and the second rectangular plate 8 can move with the third rectangular plate 7, the spring 6 is arranged between the second rectangular plate 8 and the third rectangular plate 7, when the second rectangular plate 8 moves downward with the third rectangular plate 7 to start the cutting work of the cutting knife 2, the spring 6 can protect and buffer, the pressure of the cutting knife 2 is limited to a certain extent, the cutting knife 2 and personal safety can be protected, and cost is saved.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A shearing device for processing building materials, characterized by: The utility model relates to a cutting device for cutting board, including rectangular frame (1), the top surface and bottom surface of inside wall of rectangular frame (1) are fixedly connected with two limit rods (18) in common, two limit rods (18) outside wall are slidably connected with first rectangular plate (9), second rectangular plate (8) and third rectangular plate (7) in common, both ends of first rectangular plate (9) and both ends of third rectangular plate (7) are rotatably connected with first connecting rod (16), four first connecting rods (16) are in pairs, and every group of four first connecting rods (16) is provided with second connecting rod (14), and the end of every group first connecting rod (16) close to each other is rotatably connected with both ends of second connecting rod (14), and first connecting rod (16) and second connecting rod (14) are inclinedly arranged, and the middle of two second connecting rods (14) close to the side of rectangular frame (1) is rotatably connected with rectangular frame (1), and the top surface of first rectangular plate (9) and the bottom surface of second rectangular plate (8) are fixedly connected with cooperation block (12) and cutting knife (2) respectively.

2. The shearing device for processing of building materials according to claim 1, characterized in that: The top surface of cooperation block (12) is provided with cutting groove (10) close to the position of cutting knife (2), the position of cutting groove (10) corresponds with the position of cutting knife (2), and the width and depth of cutting groove (10) are greater than the thickness and width of cutting knife (2).

3. The shearing device for processing of building materials according to claim 2, characterized in that: The top surface of second rectangular plate (8) is fixedly connected with two round rods (17), another end of two round rods (17) penetrates third rectangular plate (7) and is slidably connected with third rectangular plate (7), and the top end of two round rods (17) is fixedly connected with nut.

4. The shearing device for processing of building materials according to claim 3, characterized in that: The both sides of the top surface of second rectangular plate (8) are fixedly connected with spring (6) close to the position of limit rod (18), and the other end of two spring (6) is fixedly connected with the both sides of the bottom surface of third rectangular plate (7).

5. The shearing device for processing of building materials according to claim 4, characterized in that: The both sides of the bottom of rectangular frame (1) are fixedly connected with bottom plate (4), and the top surface of two bottom plate (4) is fixedly connected with two cylinders (3), the both sides of cooperation block (12) are fixedly connected with work plate (5), and the bottom surface of two work plate (5) is fixedly connected with two slide rods (15), and two slide rods (15) are slidably connected with two cylinders (3) respectively.

6. The shearing device for processing of building materials according to claim 5, characterized in that: The center of the bottom surface of the inside wall of rectangular frame (1) is fixedly connected with electric push rod (11), and the telescopic end of electric push rod (11) is fixedly connected with the center of the bottom surface of first rectangular plate (9).

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