Electric cutter

Abstract

The utility model discloses an electric cutter which comprises a grip, a cutting wheel control head is fixedly connected to the front side of the grip, a cutting wheel protection mechanism is fixedly connected to the bottom of the outer wall of the cutting wheel control head, and a supporting mechanism is fixedly connected to the front side of the cutting wheel protection mechanism. The output end of the cutting wheel control head is fixedly connected with a cutting wheel, by arranging the supporting mechanism, stable supporting can be provided, the problem that in the cutting process, due to shaking of a handheld cutter, the cutting precision is not high is solved, and therefore the cutting quality is improved; during transverse cutting, the pulley supports the bottom or the top of an object, the grip is moved for cutting, during longitudinal cutting, the motor is started, the lead screw is driven to rotate, power is transmitted to the rack rod through the transmission block, the rack rod slides along the sliding groove, the gear is meshed with the rack rod to drive the rotating rod to rotate, and the orientation of the supporting rod is changed.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting scissors, in particular to an electric cutting scissors. Background Technique

[0002] Electric cutting scissors are divided into rotary cutting scissors and clamp-type cutting scissors. Electric scissors are double-insulated hand-held electric tools that use a single-phase series-wound motor as power and drive the working head to perform cutting operations through a transmission mechanism. They have the characteristics of being convenient for cutting various shaped steel plates, being light in weight, and being safe and reliable. They are widely used in sheet metal applications in departments such as automobiles, shipbuilding, aircraft, and repair, for cutting thin and fine plates, metal plates and other sheet materials;

[0003] According to the patent document: CN205852846U, a portable electric cutting scissors is disclosed, including a base, a handle, a housing, a reducer, and a movable blade. The handle is installed below the housing. The start button is installed on the upper right side of the handle. The anti-slip film is installed on the surface of the handle, and the speed adjustment button is installed above the anti-slip film. The charging port is installed inside the base. The power indicator light is installed on the surface of the base. The motor is installed inside the housing, and the reducer is installed on the right side of the motor. The eccentric shaft is installed on the right side of the reducer, and the turntable is installed on the right side of the eccentric shaft. The reducer is connected to the turntable through the eccentric shaft. The heat dissipation pipe is installed on the left side of the surface of the housing. The blade adjustment knob is installed on the surface of the housing. Through the overload protector installed above the inside of the handle of the utility model, the load of the motor operation can be effectively protected, avoiding the situation of circuit damage and component burnout.

[0004] When cutting with an electric cutting scissors, since most electric cutting scissors are hand-held, during the cutting process of the electric cutting scissors, the cutting wheel of the hand-held electric cutting scissors is generally suspended. When contacting the item to be cut for cutting, it is easy to generate up and down fluctuations, resulting in low cutting accuracy. And during long-term use, the user's hand is prone to fatigue. Content of the Utility Model

[0005] The purpose of the present utility model is to provide an electric cutting scissors to solve the problems raised in the above background technique. When cutting with an electric cutting scissors, since most electric cutting scissors are hand-held, during the cutting process of the electric cutting scissors, the cutting wheel of the hand-held electric cutting scissors is generally suspended. When contacting the item to be cut for cutting, it is easy to generate up and down fluctuations, resulting in low cutting accuracy. And during long-term use, the user's hand is prone to fatigue.

[0006] To achieve the above object, the present utility model provides the following technical solutions: An electric cutting scissors, including a grip, a cutting wheel control head is fixedly connected to the front side of the grip, a cutting wheel protection mechanism is fixedly connected to the bottom of the outer wall of the cutting wheel control head, a support mechanism is fixedly connected to the front side of the cutting wheel protection mechanism, and a cutting wheel is fixedly connected to the output end of the cutting wheel control head;

[0007] The cutting wheel protection mechanism includes an L-shaped connecting plate, connecting rods are respectively fixedly connected to the upper and lower sides of the bottom of the rear side of the L-shaped connecting plate, connecting rings are fixedly connected to the rear sides of the two connecting rods, the inner walls of the two connecting rings are respectively fixedly connected to the upper and lower sides of the outer wall of the cutting wheel control head, a semi-circular protective shell is fixedly connected to the bottom of the L-shaped connecting plate, and the inner wall of the semi-circular protective shell is sleeved on the outer wall of the cutting wheel.

[0008] Preferably, the support mechanism includes a rear plate, a motor placement bin is fixedly connected to the top of the front side of the rear plate, a lead screw connecting block is fixedly connected to the bottom of the front side of the rear plate, a motor is fixedly connected to the inner wall of the motor placement bin, a lead screw is fixedly connected to the output end of the motor, and the bottom end of the lead screw extends to the outer wall of the motor placement bin and is movably connected to the top of the lead screw connecting block.

[0009] Preferably, a chute plate is fixedly connected to the front sides of the motor and the lead screw connecting block, a chute is opened on the front side of the chute plate, side connecting rods are respectively fixedly connected to the bottom sides of the left and right sides of the chute plate, and rotating rod connecting blocks are fixedly connected to the sides of the two side connecting rods away from the chute plate.

[0010] Preferably, rotating rod connecting blocks are respectively fixedly connected to the middle parts of the left and right sides of the front side of the chute plate.

[0011] Preferably, a rack bar is slidably connected to the inner wall of the chute, a transmission block is fixedly connected to the top of the rear side of the rack bar, the inner wall of the transmission block is threadedly connected to the outer wall of the lead screw, and a support frame is arranged on the front side of the chute plate.

[0012] Preferably, the support frame includes a rotating rod, the left and right sides of the outer wall of the rotating rod are respectively rotatably connected to the inner walls of the two rotating rod connecting blocks, the left and right ends of the rotating rod extend to the outside of the two rotating rod connecting blocks and are both fixedly connected with hinge blocks, a gear is fixedly connected to the outer wall of the rotating rod inside the two rotating rod connecting blocks, the outer wall of the gear meshes with the front side of the rack bar, the inner walls of the two hinge blocks are both rotatably connected with rotating rods, the middle parts of the inner walls of the two rotating rods are both fixedly connected with support rods, the sides of the two rotating rods away from the hinge blocks are respectively rotatably connected to one side of the two rotating rod connecting blocks, pulley connecting blocks are fixedly connected to the bottom of the front sides of the two support rods, and pulleys are rotatably connected to the bottoms of the inner walls of the two pulley connecting blocks.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The cutting wheel protection mechanism, L-shaped connecting plate, connecting rod, connecting ring and semicircular protective shell are provided to effectively protect the cutting wheel from interference from external debris during use, and the cutting wheel effectively protects the other side when rotating to prevent harm to the staff;

[0015] 2. By providing a support mechanism, a slide plate, a rack rod, a gear, a rotating rod, a rotating rod, and a pulley, stable support can be provided, and the problem of low cutting accuracy caused by the shaking of the hand-held cutting knife during the shearing process can be reduced, thereby improving the cutting quality. Specifically, when using the device, when cutting, hold the handle to operate the button or switch. When cutting horizontally, the pulley supports the bottom or the top of the article, and the handle is moved for cutting. When cutting vertically, start the motor to drive the screw rod to rotate, and transmit power to the rack rod through the transmission block. The rack rod slides along the slide groove, and the gear and the rack rod are engaged to drive the rotating rod to rotate, changing the direction of the support rod, and then changing the direction of the pulley. A baffle is set to press the pulley to stabilize cutting. The support mechanism makes the electric cutting knife more stable, facilitates control of direction and force, and improves cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional separation structure of the main body of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the cutting wheel protection mechanism of the utility model;

[0019] Figure 4 This is a schematic diagram of the three-dimensional separation structure of the support mechanism of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the support frame of the utility model.

[0021] In the figure: 1. handle; 2. cutting wheel control head; 3. cutting wheel; 4. cutting wheel protection mechanism; 41. L-shaped connecting plate; 42. connecting rod; 43. connecting ring; 44. semicircular protective shell; 5. supporting mechanism; 51. back plate; 52. motor placement compartment; 53. motor; 54. screw rod; 55. screw rod connecting block; 56. slide plate; 57. slide; 58. rotating rod connecting block; 59. side connecting rod; 510. rotating rod connecting block; 511. rack rod; 512. transmission block; 513. supporting frame; 5131. rotating rod; 5132. gear; 5133. rotating rod; 5134. hinge block; 5135. support rod; 5136. pulley connecting block; 5137. pulley. Detailed implementation manners

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figure 1 , the present utility model provides a technical solution: an electric cutting scissors, including a grip 1, a cutting wheel control head 2 is fixedly connected to the front side of the grip 1, a cutting wheel protection mechanism 4 is fixedly connected to the bottom of the outer wall of the cutting wheel control head 2, a support mechanism 5 is fixedly connected to the front side of the cutting wheel protection mechanism 4, and a cutting wheel 3 is fixedly connected to the output end of the cutting wheel control head 2.

[0024] Please refer to Figures 2 - 5, in order to improve the processing efficiency of the chain, the cutting wheel protection mechanism 4 includes an L-shaped connecting plate 41. On the upper and lower sides of the bottom at the rear side of the L-shaped connecting plate 41, connecting rods 42 are respectively and fixedly connected. On the rear sides of the two connecting rods 42, connecting rings 43 are fixedly connected. The inner walls of the two connecting rings 43 are respectively and fixedly connected to the upper and lower sides of the outer wall of the cutting wheel control head 2. The bottom of the L-shaped connecting plate 41 is fixedly connected with a semi-circular protective shell 44. The inner wall of the semi-circular protective shell 44 is sleeved on the outer wall of the cutting wheel 3. The support mechanism 5 includes a rear plate 51. At the top of the front side of the rear plate 51, a motor placement bin 52 is fixedly connected. At the bottom of the front side of the rear plate 51, a lead screw connection block 55 is fixedly connected. Inside the inner wall of the motor placement bin 52, a motor 53 is fixedly connected. The output end of the motor 53 is fixedly connected with a lead screw 54. The bottom end of the lead screw 54 extends to the outer wall of the motor placement bin 52 and is movably connected to the top of the lead screw connection block 55. In front of the motor 53 and the lead screw connection block 55, a chute plate 56 is fixedly connected. On the front side of the chute plate 56, a chute 57 is opened. At the bottom of the left and right sides of the chute plate 56, side connecting rods 59 are respectively and fixedly connected. On the side far away from the chute plate 56 at the front sides of the two side connecting rods 59, rotating rod connection blocks 510 are fixedly connected. In the middle of the left and right sides at the front side of the chute plate 56, rotating rod connection blocks 58 are respectively and fixedly connected. Inside the inner wall of the chute 57, a rack bar 511 is slidably connected. At the top of the rear side of the rack bar 511, a transmission block 512 is fixedly connected. The inner wall of the transmission block 512 is threadedly connected to the outer wall of the lead screw 54. On the front side of the chute plate 56, a support frame 513 is arranged. The support frame 513 includes a rotating rod 5131. On the left and right sides of the outer wall of the rotating rod 5131, they are respectively and rotatably connected to the inner walls of the two rotating rod connection blocks 58. The left and right ends of the rotating rod 5131 extend to the outside of the two rotating rod connection blocks 58 and are both fixedly connected with hinge blocks 5134. On the outer wall of the rotating rod 5131 inside the two rotating rod connection blocks 58, a gear 5132 is fixedly connected. The outer wall of the gear 5132 meshes with the front side of the rack bar 511. Inside the inner walls of the two hinge blocks 5134, rotating rods 5133 are respectively and rotatably connected. In the middle of the inner walls of the two rotating rods 5133, support rods 5135 are fixedly connected. On the side far away from the hinge blocks 5134 of the two rotating rods 5133, they are respectively and rotatably connected to one side of the two rotating rod connection blocks 510. At the bottom of the front sides of the two support rods 5135, pulley connection blocks 5136 are fixedly connected. At the bottom of the inner walls of the two pulley connection blocks 5136, pulleys 5137 are respectively and rotatably connected;

[0025] When cutting is required, the operator only needs to hold the grip 1 and operate the buttons or switches with fingers. When cutting the horizontal surface of an object, the operator only needs to directly support the two pulleys 5137 on the ground at the bottom or the top of the item to be cut, and then move the grip 1, so that the cutting wheel 3 can cut the item. The support of the two pulleys 5137 makes the cutting process more stable and easier. When longitudinal cutting of the top of the item is required, start the motor 53. The operation of the motor 53 drives the screw rod 54 to rotate. The rotation of the screw rod 54 transmits the power to the rack bar 511 through the transmission block 512. The rack bar 511 slides along the chute 57, and then the gear 5132 on the rotating rod 5131 meshes with the rack bar 511;

[0026] As the rack bar 511 meshes with the gear 5132, the rotation of the gear 5132 drives the rotating rod 5131 to rotate. After the rotating rod 5131 rotates, it drives the hinge blocks 5134 at both ends to rotate, so that the rotating rod 5133 drives the support rod 5135 to rotate, thereby changing the orientation of the support rod 5135. The change in the orientation of the support rod 5135 drives the pulley 5137 and the internal pulley 5137 to change their orientations. A baffle is set on one side of the item to be cut. By pressing the two pulleys 5137 against the baffle, the item can be cut stably. Due to the setting of the support mechanism 5, the entire electric cutting scissors are more stable during use, and the operator can easily control the cutting direction and force, thereby improving the cutting accuracy.

[0027] Working principle: When using this device and cutting is required, the operator only needs to hold the grip 1 and operate the buttons or switches with fingers. When cutting the horizontal surface of an object, the operator only needs to directly support the two pulleys 5137 on the ground at the bottom or the top of the item to be cut, and then move the grip 1, so that the cutting wheel 3 can cut the item. The support of the two pulleys 5137 makes the cutting process more stable and easier. When longitudinal cutting of the top of the item is required, start the motor 53. The operation of the motor 53 drives the screw rod 54 to rotate. The rotation of the screw rod 54 transmits the power to the rack bar 511 through the transmission block 512. The rack bar 511 slides along the chute 57, and then the gear 5132 on the rotating rod 5131 meshes with the rack bar 511. As the rack bar 511 meshes with the gear 5132, the rotation of the gear 5132 drives the rotating rod 5131 to rotate. After the rotating rod 5131 rotates, it drives the hinge blocks 5134 at both ends to rotate, so that the rotating rod 5133 drives the support rod 5135 to rotate, thereby changing the orientation of the support rod 5135. The change in the orientation of the support rod 5135 drives the pulley 5137 and the internal pulley 5137 to change their orientations. A baffle is set on one side of the item to be cut. By pressing the two pulleys 5137 against the baffle, the item can be cut stably. Due to the setting of the support mechanism 5, the entire electric cutting scissors are more stable during use, and the operator can easily control the cutting direction and force, thereby improving the cutting accuracy.

[0028] The above is the working process of the entire device, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0029] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric cutting knife, comprising a handle (1), characterized in that: The front side of the handle (1) is fixedly connected to a cutting wheel control head (2), the outer wall bottom of the cutting wheel control head (2) is fixedly connected to a cutting wheel protection mechanism (4), the front side of the cutting wheel protection mechanism (4) is fixedly connected to a support mechanism (5), and the output end of the cutting wheel control head (2) is fixedly connected to a cutting wheel (3); The cutting wheel protection mechanism (4) comprises an L-shaped connecting plate (41), the upper and lower sides of the rear bottom of the L-shaped connecting plate (41) are respectively fixedly connected to connecting rods (42), the rear sides of the two connecting rods (42) are both fixedly connected to connecting rings (43), the inner walls of the two connecting rings (43) are respectively fixedly connected to the upper and lower sides of the outer wall of the cutting wheel control head (2), the bottom of the L-shaped connecting plate (41) is fixedly connected to a semicircular protection shell (44), and the inner wall of the semicircular protection shell (44) is sleeved on the outer wall of the cutting wheel (3).

2. The electric cutting knife according to claim 1, characterized in that: The support mechanism (5) comprises a rear plate (51), the front top of the rear plate (51) is fixedly connected to a motor placement bin (52), the front bottom of the rear plate (51) is fixedly connected to a screw rod connection block (55), the inner wall of the motor placement bin (52) is fixedly connected to a motor (53), the output end of the motor (53) is fixedly connected to a screw rod (54), the bottom end of the screw rod (54) extends to the outer wall of the motor placement bin (52) and is movably connected to the top of the screw rod connection block (55).

3. The electric cutting knife according to claim 2, characterized in that: The motor (53) and the front side of the screw rod connecting block (55) are fixedly connected with a slide slot plate (56), and a slide slot (57) is provided on the front side of the slide slot plate (56). The bottoms of the left and right sides of the slide slot plate (56) are respectively fixedly connected with side connecting rods (59), and the front sides of the two side connecting rods (59) away from the slide slot plate (56) are fixedly connected with a rotating rod connecting block (510).

4. The electric cutting knife according to claim 3, characterized in that: The middle parts of the left and right sides of the front side of the slide slot plate (56) are respectively fixedly connected with rotating rod connecting blocks (58).

5. The electric cutting knife according to claim 3, characterized in that: The inner wall of the slide groove (57) is slidably connected to a rack rod (511), the top of the rear side of the rack rod (511) is fixedly connected to a transmission block (512), the inner wall of the transmission block (512) is threadedly connected to the outer wall of the screw rod (54), and a support frame (513) is arranged on the front side of the slide groove plate (56).

6. The electric cutting knife according to claim 5, characterized in that: The support frame (513) includes a rotating rod (5131), and the left and right sides of the outer wall of the rotating rod (5131) are respectively rotatably connected to the inner walls of the two rotating rod connecting blocks (58), and the left and right ends of the rotating rod (5131) extend to the outside of the two rotating rod connecting blocks (58) and are fixedly connected to hinge blocks (5134). The rotating rod (5131) is fixedly connected to the outer wall of the inner side of the two rotating rod connecting blocks (58) with a gear (5132), and the outer wall of the gear (5132) is meshed with the front side of the rack rod (511). The inner wall of the hinge block (5134) is rotatably connected to a rotating rod (5133), the middle part of the inner wall of the two rotating rods (5133) is fixedly connected to a support rod (5135), the side of the two rotating rods (5133) away from the hinge block (5134) is rotatably connected to one side of the two rotating rod connecting blocks (510), the front bottom of the two support rods (5135) is fixedly connected to a pulley connecting block (5136), and the bottom of the inner wall of the two pulley connecting blocks (5136) is rotatably connected to a pulley (5137).

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