Manual cutting machine

Abstract

The utility model discloses a manual cutting machine which at least comprises a base, the two ends of the base are connected with a first supporting frame and a second supporting frame respectively, the first supporting frame is rotationally and movably connected with a pressing rod, the second supporting frame is rotationally and movably connected with a tool rest, and the tool rest is located between the pressing rod and the base. A cutting knife is arranged on the side, away from the pressing rod, of the knife rest, a connecting rod is arranged between the pressing rod and the knife rest, one end of the connecting rod is hinged to the end, close to the first supporting frame, of the pressing rod, and the other end of the connecting rod is hinged to the end, away from the second supporting frame, of the knife rest. The knife rest and the pressing rod are hinged through the connecting rod, so that the pressing rod is pressed down more smoothly and effortlessly.

Description

Technical Field

[0001] The utility model relates to the technical field of paving tools, in particular to a manual cutting machine. Background Art

[0002] A manual cutting machine is a cutting machine used to cut boards, which is used to cut boards into suitable shapes for easy laying and decoration.

[0003] For example, the progressive multifunctional composite board cutting machine disclosed in CN220741512U has a head plate and a tail plate connected by a machine base, and a side opening is opened on the lower part of the same side of the head plate and the tail plate, and the lower edge of the side opening is flush with the machine base surface, and the opposite surfaces of the head plate and the tail plate are respectively provided with a cam mounting ear and a tool holder mounting ear, the cam is hinged on the cam mounting ear and the cam is connected to the pressure rod, one end of the tool holder is hinged to the tool holder mounting ear, and the other end of the tool holder is located in the cam mounting ear, and a cutting knife is provided on the back of the tool holder.

[0004] The above-mentioned cutting machine rotates the cam by pressing the pressure rod downward, and the cam abuts against the tool holder to realize the downward cutting function of the tool holder. However, when the cam rotates, friction will be generated with the tool holder. The friction needs to be overcome during use, and the cam is also prone to wear. Moreover, as the rotation radius of the cam gradually increases, the force arm will become longer and the force required will also be greater. Summary of the Invention

[0005] The technical problem to be solved by the utility model is to provide a manual cutting machine which can realize the cutting function with more labor saving.

[0006] In order to solve the above technical problems, the technical solutions provided by the present invention are as follows:

[0007] A manual cutting machine comprises at least a base, wherein the two ends of the base are respectively connected to a first support frame and a second support frame, the first support frame is rotatably connected to a pressure rod, the second support frame is rotatably connected to a knife holder, the knife holder is located between the pressure rod and the base, a cutting knife is provided on the side of the knife holder away from the pressure rod, a connecting rod is provided between the pressure rod and the knife holder, one end of the connecting rod is hinged to an end of the pressure rod close to the first support frame, and the other end of the connecting rod is hinged to an end of the knife holder away from the second support frame.

[0008] In a preferred embodiment, a first mounting ear is provided at one end of the pressure rod close to the first support frame, one end of the connecting rod is hinged to the first mounting ear, a second mounting ear is provided at one end of the tool holder away from the second support frame, and the other end of the connecting rod is hinged to the second mounting ear.

[0009] In a preferred embodiment, a supporting foot is provided on the side of the second supporting frame away from the first supporting frame, and a first connecting rod is provided between the supporting foot and the second supporting frame, one end of the first connecting rod is fixedly connected to the supporting foot, and the other end of the first connecting rod is detachably connected to the second supporting frame.

[0010] In a preferred embodiment, the second support frame is provided with a first through hole for the first connecting rod to pass through, and the end of the first connecting rod is provided with a flange, which is located on the side of the second support frame facing the first support frame, and the flange is connected to the second support frame by screws.

[0011] In a preferred embodiment, the supporting foot includes a connecting portion, a supporting portion extending toward one side of the first connecting rod is provided at the bottom of the connecting portion, and a groove for accommodating the supporting portion is provided on the second supporting frame.

[0012] In a preferred embodiment, a second connecting rod is provided between the first support frame and the second support frame, the second connecting rod includes a large diameter section and small diameter sections located at both ends of the large diameter section, a threaded portion is provided at one end of the small diameter section away from the large diameter section, and a second through hole adapted to the small diameter section is provided on the first support frame and the second support frame.

[0013] In a preferred embodiment, a third mounting ear is provided on the side of the first support frame facing the base, the pressure rod is hinged to the third mounting ear, a fourth mounting ear is provided on the side of the second support frame facing the base, and the tool holder is hinged to the fourth mounting ear.

[0014] In a preferred embodiment, an elastic member is connected to the side of the tool holder facing the base, a protruding platform is provided on the side of the first support frame facing the base, and the bottom end of the elastic member is connected to the protruding platform.

[0015] In a preferred embodiment, the first support frame and the second support frame are provided with side openings on the same side, and the lower opening surface of the side opening is flush with the upper surface of the base.

[0016] In a preferred embodiment, a plate placement rack is provided on one side of the first support frame and the second support frame having a side opening.

[0017] Compared with the prior art, the manual cutting machine of this embodiment has the following beneficial effects:

[0018] 1) A hinged connecting rod is set between the pressure rod and the tool holder. When the pressure rod is rotated, the pressure rod will drive the connecting rod to rotate, thereby driving the tool holder to rise and fall accordingly, reducing friction between components and making cutting smoother. The connection position of the two ends of the connecting rod remains unchanged, and the force arm remains unchanged when the pressure rod is pressed down, which saves more effort.

[0019] 2) A support foot is provided on the side of the second support frame away from the first support frame. The support foot can prevent the machine from tipping over when the pressure rod is pressed hard. The support foot is detachably connected to the second support frame through a first connecting rod. When not in use, the first connecting rod can be retracted between the first support frame and the second support frame, saving space occupied by the manual cutting machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the three-dimensional structure of the manual cutting machine of this embodiment;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the manual cutting machine of this embodiment when the pressure rod is pressed down;

[0022] Figure 3 This is a schematic diagram of the three-dimensional structure of the manual cutting machine of this embodiment when the pressure rod is lifted;

[0023] Figure 4 This is a schematic planar structural diagram of the second support frame of the manual cutting machine in this embodiment;

[0024] Figure 5 This is a schematic diagram of the three-dimensional structure of the support legs and the first connecting rod of the manual cutting machine in this embodiment;

[0025] Figure 6 This is a schematic diagram of the three-dimensional structure of the manual cutting machine of this embodiment from another perspective;

[0026] Figure 7 This is a schematic diagram of the three-dimensional structure of the second connecting rod of the manual cutting machine of this embodiment;

[0027] Explanation of the accompanying drawings: 1-base, 2-first support frame, 3-second support frame, 4-pressure rod, 5-knife holder, 6-cutting knife, 7-connecting rod, 8-elastic member, 9-plate placement rack, 10-second connecting rod, 11-supporting foot, 12-first connecting rod, 21-third mounting ear, 22-protruding platform, 23-second through hole, 24-side opening, 31-fourth mounting ear, 32-first through hole, 33-groove, 41-first mounting ear, 51-second mounting ear, 101-large diameter section, 102-small diameter section, 103-threaded portion, 121-flange. DETAILED DESCRIPTION

[0028] The following further describes the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0029] like Figure 1As shown, the manual cutting machine of this embodiment includes a base 1, with a first support frame 2 and a second support frame 3 connected to both ends of the base 1. A pressure rod 4 is rotatably connected to the first support frame 2, and a knife holder 5 is rotatably connected to the second support frame 3. The knife holder 5 is located between the pressure rod 4 and the base 1. A cutting knife 6 is provided on the side of the knife holder 5 away from the pressure rod 4. The pressure rod 4 of this embodiment is a telescopic structure, which makes it easy for the operator to select the appropriate pressure rod length for the job.

[0030] like Figure 2 and Figure 3 As shown, the first support frame 2 is provided with a third mounting ear 21 on the side facing the base 1. To illustrate the structure, one side of the third mounting ear is hidden in the figure. The first support frame 2 is provided with a third mounting ear 21 on the side facing the base 1, and the pressure rod 4 is hingedly connected to the third mounting ear 21. The second support frame 3 is provided with a fourth mounting ear 31 on the side facing the base 1, and the tool holder 5 is hingedly connected to the fourth mounting ear 31.

[0031] like Figure 2 and Figure 3 As shown, a connecting rod 7 is provided between the pressure rod 4 and the tool holder 5. One end of the connecting rod 7 is hinged to the end of the pressure rod 4 close to the first support frame 2, and the other end of the connecting rod 7 is hinged to the end of the tool holder 5 away from the second support frame 3. A first mounting ear 41 is provided at the end of the pressure rod 4 close to the first support frame 2, and one end of the connecting rod 7 is hinged to the first mounting ear 41. A second mounting ear 51 is provided at the end of the tool holder 5 away from the second support frame 3, and the other end of the connecting rod 7 is hinged to the second mounting ear 51.

[0032] like Figure 2 and Figure 3 As shown, the blade holder 5 is connected to an elastic member 8 on the side facing the base 1. The first support frame 2 is provided with a protruding platform 22 on the side facing the base 1. The bottom end of the elastic member 8 is connected to the protruding platform 22. The elastic member 8 can act as a buffer after cutting is completed. In this embodiment, the elastic member 8 is preferably a compression spring.

[0033] like Figure 4 As shown, the first support frame 2 and the second support frame 3 are provided with a side opening 24 on the same side, and the lower surface of the side opening 24 is flush with the upper surface of the base 1. When the length of the plate is greater than the distance between the first support frame 2 and the second support frame 3, the plate can be inserted into the side opening 24 to achieve cutting of the long plate.

[0034] like Figure 1 As shown, a plate placing rack 9 is provided on one side of the first support frame 2 and the second support frame 3 where the side opening 24 is provided. The plate placing rack 9 is used to place and position plates.

[0035] like Figure 5 and Figure 6 As shown, a support foot 11 is provided on the side of the second support frame 3 away from the first support frame 2. A first connecting rod 12 is provided between the support foot 11 and the second support frame 3. One end of the first connecting rod 12 is fixedly connected to the support foot 11, and the other end of the first connecting rod 12 is detachably connected to the second support frame 3. A flange 121 is provided at the end of the first connecting rod 12. The flange 121 is located on the side of the second support frame 3 facing the first support frame 2, and the flange 121 is connected to the second support frame 3 by screws. The support foot 11 includes a connecting portion 111, and a supporting portion 112 is provided at the bottom of the connecting portion 111, extending toward the side of the first connecting rod 12.

[0036] like Figure 4 As shown, the second support frame 3 is provided with a first through hole 32 for the first connecting rod 12 to pass through, which can facilitate the pulling out and retraction of the first connecting rod 12. The flange 121 on the first connecting rod 12 can prevent the first connecting rod 12 from falling off from the second support frame 3.

[0037] like Figure 6 As shown, when the machine is in use, pull out the first connecting rod 12 and fix the flange 121 and the second support frame 3 with screws to realize the supporting and stabilizing function of the support foot 11. When the machine is not in use, remove the connecting screws between the flange 121 and the second support frame 3, and retract the first connecting rod 12 between the first support frame 2 and the second support frame 3 to reduce the space occupied by the machine.

[0038] like Figure 4 As shown, the second support frame 3 is further provided with a groove 33 for accommodating the support portion 112. When the first connecting rod 12 is retracted between the first support frame 2 and the second support frame 3, the groove 33 can accommodate the support portion 112, making the machine occupying smaller space.

[0039] like Figure 6 and Figure 7 As shown, a second connecting rod 10 is provided between the first support frame 2 and the second support frame 3. The second connecting rod 10 includes a large diameter section 101 and small diameter sections 102 located at both ends of the large diameter section 101. The small diameter section 102 is provided with a threaded portion 103 at one end away from the large diameter section 101. The first support frame 2 and the second support frame 3 are provided with a second through hole 23 that adapts to the small diameter section 102. When installing the second connecting rod 10, the small diameter section 102 is matched with the second through hole 23 on the first support frame 2 and the second support frame 3. The threaded portion 103 will be exposed at both ends. The threaded portion 103 can then be tightened with a nut to achieve the fixation of the second connecting rod 10. The second connecting rod 10 can make the connection between the first support frame 2 and the second support frame 3 more stable and the structure more solid.

[0040] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the scope of protection of the present invention.

Claims

1. A manual cutting machine, comprising at least a base (1), wherein the two ends of the base (1) are respectively connected to a first support frame (2) and a second support frame (3), the first support frame (2) is rotatably connected to a pressure rod (4), the second support frame (3) is rotatably connected to a knife holder (5), the knife holder (5) is located between the pressure rod (4) and the base (1), and a cutting knife (6) is provided on the side of the knife holder (5) away from the pressure rod (4), characterized in that: A connecting rod (7) is provided between the pressure rod (4) and the tool holder (5), one end of the connecting rod (7) is hinged to an end of the pressure rod (4) close to the first support frame (2), and the other end of the connecting rod (7) is hinged to an end of the tool holder (5) away from the second support frame (3).

2. The manual cutting machine according to claim 1, characterized in that: A first mounting ear (41) is provided at one end of the pressure rod (4) close to the first support frame (2), one end of the connecting rod (7) is hinged to the first mounting ear (41), and a second mounting ear (51) is provided at one end of the tool holder (5) away from the second support frame (3), and the other end of the connecting rod (7) is hinged to the second mounting ear (51).

3. The manual cutting machine according to claim 1 or 2, characterized in that: A supporting foot (11) is provided on a side of the second supporting frame (3) away from the first supporting frame (2), and a first connecting rod (12) is provided between the supporting foot (11) and the second supporting frame (3), one end of the first connecting rod (12) is fixedly connected to the supporting foot (11), and the other end of the first connecting rod (12) is detachably connected to the second supporting frame (3).

4. The manual cutting machine according to claim 3, characterized in that: The second support frame (3) is provided with a first through hole (32) for the first connecting rod (12) to pass through, and the end of the first connecting rod (12) is provided with a flange (121), and the flange (121) is located on the side of the second support frame (3) facing the first support frame (2), and the flange (121) is connected to the second support frame (3) by screws.

5. The manual cutting machine according to claim 4, characterized in that: The supporting foot (11) comprises a connecting portion (111), a supporting portion (112) extending toward one side of the first connecting rod (12) is provided at the bottom of the connecting portion (111), and a groove (33) for accommodating the supporting portion (112) is provided on the second supporting frame (3).

6. The manual cutting machine according to claim 1, characterized in that: A second connecting rod (10) is provided between the first supporting frame (2) and the second supporting frame (3), the second connecting rod (10) comprising a large diameter section (101) and small diameter sections (102) located at both ends of the large diameter section (101), a threaded portion (103) being provided at one end of the small diameter section (102) away from the large diameter section (101), and a second through hole (23) adapted to the small diameter section (102) being provided on the first supporting frame (2) and the second supporting frame (3).

7. The manual cutting machine according to claim 1, characterized in that: A third mounting ear (21) is provided on the side of the first support frame (2) facing the base (1), and the pressure rod (4) is hinged to the third mounting ear (21). A fourth mounting ear (31) is provided on the side of the second support frame (3) facing the base (1), and the tool holder (5) is hinged to the fourth mounting ear (31).

8. The manual cutting machine according to claim 1, characterized in that: The side of the tool holder (5) facing the base (1) is connected to an elastic member (8), the side of the first support frame (2) facing the base (1) is provided with a protruding platform (22), and the bottom end of the elastic member (8) is connected to the protruding platform (22).

9. The manual cutting machine according to claim 1, characterized in that: The first support frame (2) and the second support frame (3) are provided with a side opening (24) on the same side, and the lower surface of the side opening (24) is flush with the upper surface of the base (1).

10. The manual cutting machine according to claim 9, characterized in that: A plate placement rack (9) is provided on one side of the first support frame (2) and the second support frame (3) where a side opening (24) is provided.

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