A keel cutting bifurcated knife

Abstract

The present invention discloses a keel cutting and bifurcating knife, which belongs to the field of keel processing. It comprises a base, a handle, a sliding cutting mechanism, and a rotating bifurcating mechanism. The handle, the sliding cutting mechanism, and the rotating bifurcating mechanism are all fixed on the base, and the sliding cutting mechanism and the rotating bifurcating mechanism are both connected by a handle transmission. The advantages of the present invention are as follows: first, the keel cutting and bifurcating knife of the present invention is provided with a sliding cutting mechanism and a rotating bifurcating mechanism, and keel cutting and bifurcating processing can be achieved through only one device, which has the advantages of convenient operation and high processing efficiency; secondly, the device performs bifurcating processing on the keel through the rotating bifurcating mechanism, and the bifurcating angle is stable and accurate; finally, the present invention has a simple structure, low cost, and is easy to use and promote.

Description

Technical Field

[0001] The invention belongs to the field of keel processing, and in particular relates to a keel cutting and bifurcating knife. Background Art

[0002] Light steel keel is a new type of building material with the advantages of light weight, high strength, adaptability to waterproofing, shockproofing, dustproofing, sound insulation, sound absorption, and constant temperature. It is widely used in hotels, airport terminals, bus stations, stations, amusement parks, shopping malls, factories, office buildings, old building renovations, interior decoration settings, ceilings and other places.

[0003] Light steel keels are produced from continuous galvanized steel strips through a cold-bending process. When in use, in order to adapt to the length, tools are required to cut them as required.

[0004] Commonly used light steel keel cutting tools include scissors and guillotines, but the existing scissors and guillotines can only cut the keel.

[0005] For example, the existing patent with application number CN202222519953.1 discloses a light steel keel cutting knife, which includes a base and a handle. An upper blade is provided at one end of the handle, a lower blade is provided on the base, a cutting groove is provided on the upper part of the lower blade, and the edge of the cutting groove forms a lower blade. The bottom of the upper blade is provided with an upper blade that matches the lower blade. The upper blade includes a tangent point provided at its bottom, and the tangent point extends a first blade and a second blade obliquely upward from the front and back sides respectively. The first blade and the second blade can cut the light steel keel from the front and back directions respectively with the tangent point as the starting point. The cooperation with each other makes cutting more labor-saving, the cutting edge is smoother, and the generation of burrs can be reduced.

[0006] However, the cutting knife disclosed in the patent only has a cutting function. Based on actual use requirements, when the keel needs to be bifurcated to both sides, it is necessary to use pliers or other tools separately to process it, which has the problem of inaccurate bifurcation angle and low efficiency. Summary of the Invention

[0007] In order to solve the above problems, the primary purpose of the present invention is to provide a keel cutting and bifurcation knife, which can realize keel cutting and bifurcation processing, and has the advantages of convenient operation and high processing efficiency;

[0008] Another object of the present invention is to provide a keel cutting bifurcation knife with a stable and precise bifurcation angle.

[0009] The last object of the present invention is to provide a keel cutting bifurcated knife with a simple structure, low cost, and easy to use and promote.

[0010] To achieve the above object, the technical solution of the present invention is as follows:

[0011] The present invention provides a keel cutting and bifurcating guillotine, comprising a base, a handle, a sliding cutting mechanism, and a rotating bifurcating mechanism. The handle, the sliding cutting mechanism, and the rotating bifurcating mechanism are all fixed to the base, and the sliding cutting mechanism and the rotating bifurcating mechanism are both connected by a transmission connection via the handle. In this application, the handle controls the movement of the sliding cutting mechanism and the rotating bifurcating mechanism to achieve cutting and bifurcating functions.

[0012] Furthermore, the handle, the sliding cutting mechanism, and the rotating fork mechanism are sequentially connected by transmission. The handle drives the rotating fork mechanism to move through the sliding cutting mechanism. The three work together to simplify the structure and improve work efficiency.

[0013] Furthermore, the sliding cutting mechanism includes a movable splint and a blade, the blade being connected to the lower end of the handle, a bracket and a blade support being mounted on the base, the movable splint being movably mounted on the bracket, the blade being rotatably connected to the blade support, a connecting rod being provided between the movable splint and the blade, a sliding groove being provided from the upper end to the middle of the connecting rod, a sliding member being provided on the blade that is adapted to the sliding groove, the lower end of the connecting rod being rotatably connected to the bracket, and the sliding member of the blade being slidably connected within the sliding groove. In the present application, when the handle is moved forward, the blade portion at the bottom is driven to rotate forward around the blade support, and the blade edge moves forward in an arc direction, thereby achieving the cutting function.

[0014] Furthermore, the movable splint is provided with a through hole extending through the front and rear, and the movable splint is slidably connected to the bracket via the through hole.

[0015] Furthermore, the rotating fork mechanism includes a left extension piece, a right extension piece, a left transmission piece, and a right transmission piece. A connecting piece is provided at the front end of the movable splint, and the left extension piece and the right extension piece are respectively arranged on the left and right sides in front of the connecting piece. The ends of the left transmission piece and the right transmission piece are stacked, and the front ends of the two extend to the left and right sides respectively to form a V-shaped structure. The left transmission piece and the right transmission piece are arranged between the left extension piece and the right extension piece and at the front end of the connecting piece; a first rotating shaft is provided at the front end of the connecting piece, and the ends of the left transmission piece and the right transmission piece are provided with first axial holes corresponding in position, and the first rotating shaft coaxially penetrates the first axial holes of the left transmission piece and the right transmission piece in the up and down directions and is rotatably connected to the ends of the left transmission piece and the right transmission piece. ; The end of the left transmission plate and the front end of the left extension piece are provided with a second axial hole corresponding to the position, and the second rotating shaft is coaxially passed through the second axial holes of the two in the up and down directions and is rotatably connected to the second rotating shaft. The end of the right transmission piece and the front end of the right extension piece are provided with a third axial hole corresponding to the position, and the third rotating shaft is coaxially passed through the third axial holes of the two in the up and down directions and is rotatably connected to the third rotating shaft; the left extension piece is provided with a left fixed axis hole behind the second axis hole, and the left fixed axis is provided on the bracket, and the left extension piece is rotatably connected to the left fixed axis through the left fixed axis hole; the right extension piece is provided with a right fixed axis hole behind the third axis hole, and the right fixed axis is provided on the bracket, and the right extension piece is rotatably connected to the right fixed axis through the right fixed axis hole. In the present application, when the handle is bent forward, the blade is driven to rotate forward to realize the cutting function. At the same time, the movable splint is pulled forward on the bracket by the blade and the connecting rod. At this time, due to the fixing effect of the left fixed shaft and the right fixed shaft, the rotary fork mechanism is in a storage state and will not move forward, and only the cutting function is realized; when the handle is bent forward and backward, the blade rotates backward. At this time, the movable splint is pulled backward on the bracket by the blade and the connecting rod, and the connecting plate, the left transmission plate and the right transmission plate are pulled backward. Since the left extension member and the right extension member are fixed by the left fixed shaft and the right fixed shaft, the left extension member can only rotate outward from the left side with the left fixed shaft as the rotating axis, and the left extension member can only rotate outward from the right side with the right fixed shaft as the rotating axis, forming an expansion effect to both sides, expanding and forking the cut keel to both sides.

[0016] Furthermore, the sliding cutting mechanism also includes a guide rod and a spring. The guide rod is disposed between the movable clamping plate and the bracket, and the spring is sleeved on the guide rod, with the front end of the spring abutting the movable clamping plate and the rear end of the spring abutting the bracket. During the process of moving the handle forward to cut and backward to expand and fork, the spring stretches and compresses, providing a buffering function, resetting the rotating fork mechanism, and making the device more stable.

[0017] Furthermore, the front end of the blade is provided with a cutting fork limiter, which is fixed to the base. The cutting fork limiter includes a cutting limiter block and a fork limiter block. A cutting limiter groove is formed between the cutting limiter block and the bracket. The blade is located above the cutting limiter groove, the left extension member and the right extension member are arranged on the inner side of the cutting limiter groove, and the fork limiter block is arranged on the outer side of the cutting limiter groove and is arranged to expand outward. In the present application, when cutting, the U-shaped keel is inserted into the cutting limiter groove from the front side, and the blade is driven to move by moving the handle forward to cut. After the cutting is completed, the handle is moved backward, and the rotating fork mechanism is pulled backward by the spring, forcing the left extension member and the right extension member to expand to both sides respectively to fork.

[0018] Furthermore, two cutting and bifurcating stoppers are provided, one of which is located on the left side of the front of the bracket, and the other is located on the right side of the front of the bracket. Two blades are provided, one on the left and one on the right side of the bracket. The two blades can cut simultaneously from both sides. After cutting is completed, the blades can be expanded and bifurcated outward from both sides through the left and right extension pieces, forming a T-shaped keel structure.

[0019] The advantages of the present invention are that, compared with the prior art:

[0020] First, the keel cutting and bifurcation knife of the present invention is provided with a sliding cutting mechanism and a rotating bifurcation mechanism, and can realize keel cutting and bifurcation processing by only one device, which has the advantages of convenient operation and high processing efficiency;

[0021] Secondly, the device bifurcates the keel through a rotating bifurcated mechanism, and the bifurcation angle is stable and accurate;

[0022] Finally, the present invention has a simple structure, low cost, and is easy to use and promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the keel cutting bifurcated knife of this embodiment when cutting the keel.

[0024] Figure 2 It is a structural schematic diagram of the forked keel of the keel cutting fork knife of this embodiment.

[0025] Figure 3 It is a structural diagram of the combined state of the sliding cutting mechanism and the rotating bifurcating mechanism of this embodiment.

[0026] Figure 4 2 is a schematic structural diagram of the sliding cutting mechanism of this embodiment.

[0027] Figure 52 is a schematic structural diagram of the rotary fork mechanism of this embodiment.

[0028] Figure 6 Schematic diagram of the structure of the cutting and bifurcation limiting member of this embodiment.

[0029] Figure 7 Schematic diagram of the structure of the keel after cutting in this embodiment.

[0030] Figure 8 Schematic diagram of the structure of the keel after cutting and bifurcation in this embodiment. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] To achieve the above object, the technical solution of the present invention is as follows:

[0033] See also Figure 1-8 As shown, this embodiment provides a keel cutting and bifurcating guillotine, comprising a base 1, a handle 2, a sliding cutting mechanism 3, and a rotating bifurcating mechanism 4. The handle 2, the sliding cutting mechanism 3, and the rotating bifurcating mechanism 4 are all fixed to the base 1, and the sliding cutting mechanism 3 and the rotating bifurcating mechanism 4 are both transmission-connected via the handle 2. In this application, the movement of the sliding cutting mechanism 3 and the rotating bifurcating mechanism 4 is controlled by the handle 2 to achieve the cutting and bifurcating functions.

[0034] Furthermore, the handle 2, the sliding cutting mechanism 3, and the rotating fork mechanism 4 are sequentially connected in a transmission manner. The handle 2 drives the rotating fork mechanism 4 to move through the sliding cutting mechanism 3. The three work together to simplify the structure and improve work efficiency.

[0035] Furthermore, the sliding cutting mechanism 3 includes a movable splint 31 and a blade 32. The blade 32 is connected to the lower end of the handle 2. A bracket 5 and a blade support 6 are installed on the base 1. The movable splint 31 is movably mounted on the bracket 5. The blade 32 is rotatably connected to the blade support 6. A connecting rod 33 is provided between the movable splint 31 and the blade 32. A connecting groove 34 is provided from the upper end to the middle of the connecting rod 33. A sliding member 35 adapted to the sliding groove 34 is provided on the blade 32. The lower end of the connecting rod 33 is rotatably connected to the bracket 5. The sliding member 35 of the blade 32 is slidably connected in the sliding groove 34. In the present application, when the handle 2 is moved forward, the blade 32 at the bottom is driven to rotate forward around the blade support 6. The cutting edge of the blade 32 moves forward in an arc direction to achieve the cutting function.

[0036] Furthermore, a through hole 36 extending from front to back is provided on the movable splint 31 , and the movable splint 31 is slidably connected to the bracket 5 via the through hole 36 .

[0037] Furthermore, the rotary fork mechanism 4 includes a left extension piece 41, a right extension piece 42, a left transmission piece 43, and a right transmission piece 44. The front end of the movable splint 31 is provided with a connecting piece 45. The left extension piece 41 and the right extension piece 42 are respectively arranged on the left and right sides in front of the connecting piece 45. The ends of the left transmission piece 43 and the right transmission piece 44 are stacked, and the front ends of the two are respectively extended to the left and right sides to form a V-shaped structure. The left transmission piece 43 and the right transmission piece 44 are arranged between the left extension piece 41 and the right extension piece 42 and are arranged at the front end of the connecting piece 45; the front end of the connecting piece 45 is provided with a first rotating shaft 46, and the ends of the left transmission piece 43 and the right transmission piece 44 are provided with first shaft holes 47 corresponding in position. The first rotating shaft 46 coaxially passes through the first shaft holes 47 of the left transmission piece 43 and the right transmission piece 44 in the upper and lower directions and is rotatably connected to the ends of the left transmission piece 43 and the right transmission piece 44; the left transmission piece 43 The end and the front end of the left extension piece 41 are provided with a second axial hole 48 of corresponding position, and a second rotating shaft 49 is coaxially passed through the second axial holes 48 of the two in the up and down directions and is rotatably connected to the second rotating shaft 49. The end of the right transmission plate 44 and the front end of the right extension piece 42 are provided with a third axial hole 410 of corresponding position, and a third rotating shaft 411 is coaxially passed through the third axial holes 410 of the two in the up and down directions and is rotatably connected to the third rotating shaft 411; the left extension piece 41 is provided with a left fixed axial hole 412 behind the second axial hole 48, and a left fixed shaft 413 is provided on the bracket 5, and the left extension piece 41 is rotatably connected to the left fixed shaft 413 through the left fixed axial hole 412; the right extension piece 42 is provided with a right fixed axial hole 414 behind the third axial hole 410, and a right fixed shaft 415 is provided on the bracket 5, and the right extension piece 42 is rotatably connected to the right fixed shaft 415 through the right fixed axial hole 414. When the handle 2 is bent forward, the blade 32 is driven to rotate forward to realize the cutting function. At the same time, the movable splint 31 is pulled to slide forward on the bracket 5 by the blade 32 and the connecting rod 33. At this time, due to the fixing effect of the left fixed shaft 413 and the right fixed shaft 415, the rotating fork mechanism 4 is in the storage state and will not move forward, only realizing the cutting function; when the handle 2 is bent forward and backward, the blade 32 rotates backward. At this time, the movable splint 31 is pulled to slide backward on the bracket 5 by the blade 32 and the connecting rod 33, and the connecting piece 45, the left transmission piece 43, and the right transmission piece 44 are pulled backward. Since the left extension member 41 and the right extension member 42 are fixed by the left fixed shaft 413 and the right fixed shaft 415, the left extension member 41 can only rotate outward from the left side with the left fixed shaft 413 as the rotating axis, and the left extension member 41 can only rotate outward from the right side with the right fixed shaft 415 as the rotating axis, forming an expansion effect to both sides, expanding and bifurcating the cut keel to both sides.

[0038] Furthermore, the sliding cutting mechanism 3 also includes a guide rod 37 and a spring 38. The guide rod 37 is arranged between the movable splint 31 and the bracket 5. The spring 38 is sleeved on the guide rod 37, and the front end of the spring 38 abuts against the movable splint 31, and the rear end of the spring 38 abuts against the bracket 5. During the process of moving the handle forward to cut and moving the handle 2 backward to expand and fork, the spring 38 stretches and compresses, providing a buffering function, which can reset the rotating fork mechanism 4 and make the structure of the device more stable.

[0039] Furthermore, a cutting and bifurcating stopper 7 is provided at the front end of the blade 32, and the cutting and bifurcating stopper 7 is fixed to the base 1. The cutting and bifurcating stopper 7 includes a cutting and bifurcating stopper 71 and a bifurcating stopper 72. A cutting and bifurcating groove 73 is formed between the cutting and bifurcating stopper 71 and the bracket 5. The blade 32 is located above the cutting and bifurcating groove 73. The left extension member 41 and the right extension member 42 are arranged on the inner side of the cutting and bifurcating groove 73. The bifurcating stopper 72 is arranged on the outer side of the cutting and bifurcating groove 73 and is arranged to expand outward. In the present application, when cutting, the U-shaped keel 8 is inserted into the cutting and bifurcating groove 73 from the front side, and the blade 32 is driven to move by moving the handle 2 forward to cut. After the cutting is completed, the handle 2 is moved backward, and the rotating bifurcating mechanism 4 is pulled backward by the spring 38, forcing the left extension member 41 and the right extension member 42 to expand to both sides respectively, thereby bifurcating.

[0040] Furthermore, two cutting limit blocks 71 and two forking limit blocks 72 are provided, one of which is located on the left side in front of the bracket 5, and the other is located on the right side in front of the bracket 5. Two blades 32 are provided, one on the left and one on the right side of the bracket 5. The two blades 32 can cut from both sides simultaneously. After cutting is completed, the left and right extension members 41 and 42 can expand and fork outward from both sides to form a T-shaped keel 8 structure.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit 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.

Claims

1. A keel cutting bifurcation knife, characterized in that: It includes a base, a handle, a sliding cutting mechanism, and a rotating fork mechanism, wherein the handle, the sliding cutting mechanism, and the rotating fork mechanism are all fixed on the base, and the sliding cutting mechanism and the rotating fork mechanism are connected through the handle; The sliding cutting mechanism includes a movable splint and a blade, the blade is connected to the lower end of the handle, a bracket and a blade support are installed on the base, the movable splint is movably installed on the bracket, the blade is rotatably connected to the blade support, a connecting rod is provided between the movable splint and the blade, a sliding groove is provided from the upper end to the middle of the connecting rod, a sliding member adapted to the sliding groove is provided on the blade, the lower end of the connecting rod is rotatably connected to the bracket, and the sliding member of the blade is slidably connected in the sliding groove; The rotating fork mechanism includes a left extension piece, a right extension piece, a left transmission piece, and a right transmission piece, and the front end of the movable splint is provided with a connecting piece, and the left extension piece and the right extension piece are respectively arranged on the left and right sides in front of the connecting piece, and the ends of the left transmission piece and the right transmission piece are stacked, and the front ends of the two extend to the left and right sides respectively to form a V-shaped structure, and the left transmission piece and the right transmission piece are arranged between the left extension piece and the right extension piece and at the front end of the connecting piece; the front end of the connecting piece is provided with a first rotating shaft, and the ends of the left transmission piece and the right transmission piece are provided with first shaft holes corresponding in position, and the first rotating shaft coaxially penetrates the first shaft holes of the left transmission piece and the right transmission piece in the upper and lower directions and is rotatably connected to the ends of the left transmission piece and the right transmission piece; the left The end of the transmission plate and the front end of the left extension piece are provided with a second axial hole with corresponding positions, and a second rotating shaft is coaxially passed through the second axial holes of the two in the up and down directions and is rotatably connected to the second rotating shaft. The end of the right transmission plate and the front end of the right extension piece are provided with a third axial hole with corresponding positions, and a third rotating shaft is coaxially passed through the third axial holes of the two in the up and down directions and is rotatably connected to the third rotating shaft; the left extension piece is provided with a left fixed axial hole behind the second axial hole, and a left fixed shaft is provided on the bracket, and the left extension piece is rotatably connected to the left fixed shaft through the left fixed axial hole; the right extension piece is provided with a right fixed axial hole behind the third axial hole, and a right fixed shaft is provided on the bracket, and the right extension piece is rotatably connected to the right fixed shaft through the right fixed axial hole.

2. A keel cutting bifurcated knife according to claim 1, characterized in that: The handle, the sliding cutting mechanism and the rotating bifurcating mechanism are sequentially connected in transmission.

3. A keel cutting bifurcated knife according to claim 1, characterized in that: The movable splint is provided with a through hole which passes through the front and back, and the movable splint is slidably connected to the bracket via the through hole.

4. A keel cutting bifurcated knife according to claim 1, characterized in that: The sliding cutting mechanism also includes a guide rod and a spring. The guide rod is arranged between the movable splint and the bracket. The spring is sleeved on the guide rod, and the front end of the spring abuts on the movable splint, and the rear end of the spring abuts on the bracket.

5. A keel cutting bifurcated knife according to claim 1, characterized in that: A cutting and bifurcated limiter is provided at the front end of the blade, and the cutting and bifurcated limiter is fixed on the base. The cutting and bifurcated limiter includes a cutting limit block and a bifurcated limit block. A cutting limit groove is formed between the cutting limit block and the bracket. The blade is located above the cutting limit groove, the left extension piece and the right extension piece are arranged on the inner side of the cutting limit groove, and the bifurcated limit block is arranged on the outer side of the cutting limit groove and is arranged to be a structure that expands outward.

6. A keel cutting bifurcated knife according to claim 5, characterized in that: There are two cutting limit blocks and two fork limit blocks, one of which is arranged on the left side of the front of the bracket, and the other is arranged on the right side of the front of the bracket. There are two blades, respectively located on the left and right sides of the bracket.

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