Cutting device capable of quickly determining cutting position

Abstract

The utility model provides a cutting device capable of quickly determining a cutting position, which belongs to the technical field of cutting devices, and aims to solve the problem that the workload of a worker is increased as the cutting device and the cutting device need to be manually separated by the worker after the cutting is finished, the cutting device comprises a working bracket, and a cutting table is arranged on the top end surface of the working bracket in a sliding manner; the positioning bracket is arranged on the outer side above the cutting table in a sliding manner; the cutter is arranged at the lower end of the inner side of the positioning support in a reciprocating sliding mode. The positioning auxiliary structure is arranged between the cutter and the positioning bracket; the two bidirectional racks are slidably connected to the left side and the right side of the inner end of the positioning support correspondingly. The two cleaning scrapers are rotationally arranged on the left side and the right side below the cutter in a bilateral symmetry mode. The splitting auxiliary structure is arranged between the driving gear and the cutting table; according to the paperboard cutting device, automatic separation of the cut paperboards and paperboard raw materials is achieved, the operation steps during paperboard cutting are simplified, the workload of operators is reduced, and the paperboard cutting efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cutting devices, and more specifically, particularly relates to a cutting device which can quickly determine a cutting position. Background Art

[0002] When cutting cardboard, the cardboard to be cut is usually placed on a cutting workbench, and the positioning structure is used to enable the cutting knife to slide in different directions above the cardboard. The cardboard is cut into a desired shape and size during the sliding process of the cutting knife above the cardboard.

[0003] Based on the above, in the process of cutting cardboard, due to the influence of the material, thickness and humidity of the cardboard, if the humidity of the board is high, the cardboard becomes soft, which can easily cause adhesion after cutting, making it difficult to separate the cut cardboard from the cardboard raw material. After cutting, the staff needs to manually separate the two, which increases the workload of the staff and also affects the efficiency of cardboard cutting. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a cutting device that can quickly determine the cutting position, so as to solve the problem that in the process of cutting cardboard, due to the influence of the material, thickness and humidity of the cardboard, for example, when the humidity of the board is high, the cardboard becomes soft, which is very likely to cause adhesion after cutting, making it difficult to separate the cut cardboard from the cardboard raw material. After cutting, the staff needs to manually separate the two, which increases the workload of the staff and also affects the cutting efficiency of the cardboard.

[0005] The purpose and function of the cutting device capable of quickly determining the cutting position of the utility model are achieved by the following specific technical means:

[0006] A cutting device capable of quickly determining a cutting position comprises a working support, a cutting table, a positioning support, a cutting knife, a positioning auxiliary structure, a cleaning scraper and a splitting auxiliary structure, wherein the cutting table is slidably arranged on the top end surface of the working support; the positioning support is slidably arranged on the outer side above the cutting table; the cutting knife is reciprocatingly slidably arranged at the lower end of the inner side of the positioning support; the positioning auxiliary structure is arranged between the cutting knife and the positioning support; the positioning auxiliary structure comprises: a reciprocating screw and a bidirectional rack, the reciprocating screw is rotatably arranged above the cutting knife; there are two bidirectional racks, the two bidirectional racks are slidably connected to the left and right sides of the inner end of the positioning support respectively, the bidirectional racks are rotationally connected to the reciprocating screw, and the outer side of the reciprocating screw is coaxially fixedly connected to the outer side of the micro-motor shaft; there are two cleaning scrapers, the two cleaning scrapers are symmetrically rotated and arranged on the left and right sides below the cutting knife; driving gears are coaxially fixedly connected at both ends of the cleaning scraper, and the driving gear and the bidirectional rack are meshed with each other; the splitting auxiliary structure is arranged between the driving gear and the cutting table.

[0007] Furthermore, the positioning auxiliary structure also includes: a driving screw, the driving screws are two, and the two driving screws are rotatably connected to the left and right ends of the working bracket respectively; the outer end of the driving screw is coaxially fixedly connected to the driving sprocket; the outer side of the driving sprocket on the same side of the front and rear is wrapped with a driving chain, and the driving chain and the driving sprocket together constitute a sprocket chain transmission mechanism; the outer side of the left end driving screw is coaxially fixedly connected to the outer side of the driving motor shaft;

[0008] The left and right sides of the bottom end of the positioning bracket are provided with threaded transmission holes, the inner side of the threaded transmission hole is threadedly connected with the outer side of the driving lead screw, and the driving lead screw and the threaded transmission hole together constitute a lead screw nut transmission pair.

[0009] Furthermore, a transmission auxiliary frame is inserted into the outer side of the top end surface of the cutting knife, and the transmission auxiliary frame is threadedly connected to the reciprocating screw;

[0010] An electric push rod is arranged outside the bidirectional rack; a piston rod is slidably connected to the top end surface of the electric push rod; and the piston rod is fixedly connected to the bidirectional rack.

[0011] Furthermore, the outer side of the lower end of the cleaning scraper is fixedly connected with a movable plate by an elastic member; the outer end of the movable plate adopts an arc transition.

[0012] Furthermore, the split auxiliary structure includes: a driving shaft, the driving shaft has two groups, and the two groups of driving shafts are rotatably arranged on the outside of the two groups of driving gears; a plurality of transmission shafts are rotatably arranged between the driving shaft and the driving gear, and the outermost transmission shaft is coaxially arranged with the driving shaft; the outer sides of the plurality of transmission shafts are coaxially fixedly connected with transmission gears, and the plurality of transmission gears are meshed with each other; the transmission gears on the inner sides are meshed with the driving gears;

[0013] The inner end surface of the driving shaft is coaxially fixedly connected with a driving cam; the driving cam and the bottom end surface of the cutting table are pressed against each other, and the cutting table and the driving cam together constitute a cam transmission mechanism;

[0014] Elastic reset parts are fixedly connected at four angles between the cutting table and the working support.

[0015] Furthermore, the outer end surface of the driving shaft is coaxially fixedly connected with an inner ratchet; the inner end of the outer end transmission shaft is fixedly connected with a driving ratchet block by a volute spring.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model meets the use requirements of cutting and positioning different positions of cardboard when in use, improves the application scope of the device in the actual application process, and improves the cutting efficiency of cardboard

[0018] In the process of cutting the cardboard, the cleaning scraper is automatically driven by the force of the cutting blade sliding downward, so that the cleaning scrapers on both sides are synchronously turned outward, realizing the automatic cleaning of the cutting position on the cardboard surface, improving the smoothness of cutting, ensuring the service life of the cutting blade, and avoiding the safety hazard caused by the splashing of impurities after the cutting blade contacts with impurities, further improving the operation safety of the operator;

[0019] When the utility model is in use, after the cardboard is cut, the cut cardboard and the cardboard raw material are automatically separated, which simplifies the operation steps when cutting the cardboard and the workload of the operator, further improves the cutting efficiency of the cardboard and the work efficiency of the device in actual application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall isometric structural schematic diagram of the utility model.

[0021] Figure 2 It is a schematic diagram of the installation structure of the driving screw and the positioning bracket of the utility model.

[0022] Figure 3 The utility model is a schematic diagram of the installation structure of the electric push rod, the cutting knife and the positioning bracket.

[0023] Figure 4 It is a schematic diagram of the installation structure of the bidirectional rack and the reciprocating screw of the utility model.

[0024] Figure 5 It is a schematic diagram of the installation structure of the bidirectional rack and the driving gear of the utility model.

[0025] Figure 6 It is a schematic diagram of the structure after the inner ratchet and the driving shaft of the utility model are separated.

[0026] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0027] 1. Working bracket; 2. Cutting table; 201. Elastic reset member; 3. Positioning bracket; 4. Cutting knife; 401. Driving screw; 402. Driving sprocket; 403. Driving chain; 404. Reciprocating screw; 405. Transmission auxiliary frame; 406. Bidirectional rack; 407. Electric push rod; 5. Cleaning scraper; 501. Driving gear; 502. Movable plate; 6. Driving shaft; 601. Transmission shaft; 602. Driving ratchet block; 603. Inner ratchet; 604. Driving cam; 605. Transmission gear. DETAILED DESCRIPTION

[0028] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples. Embodiment one:

[0029] As attached Figure 1 To Attachment Figure 4 As shown:

[0030] The utility model provides a cutting device capable of quickly determining a cutting position, comprising a working support 1, a cutting table 2, a positioning support 3, a cutting knife 4, a positioning auxiliary structure, a cleaning scraper 5 and a splitting auxiliary structure, wherein the cutting table 2 is slidably arranged on the top end surface of the working support 1; the positioning support 3 is slidably arranged on the outer side above the cutting table 2; the cutting knife 4 is reciprocatingly slidably arranged on the lower end of the inner side of the positioning support 3; the positioning auxiliary structure is arranged between the cutting knife 4 and the positioning support 3; the positioning auxiliary structure comprises: a reciprocating screw 404 and a bidirectional rack 406, the reciprocating screw 404 is rotatably arranged on the cutting knife 4 Above; there are two two-way racks 406, which are respectively slidably connected to the left and right sides of the inner end of the positioning bracket 3, and the two-way racks 406 are rotationally connected to the reciprocating screw 404, and the outer side of the reciprocating screw 404 is coaxially fixedly connected to the outer side of the micro-motor shaft; there are two cleaning scrapers 5, and the two cleaning scrapers 5 are symmetrically rotated and arranged on the left and right sides below the cutting knife 4; the two ends of the cleaning scraper 5 are coaxially fixedly connected with a driving gear 501, and the driving gear 501 and the two-way rack 406 are meshed with each other; the splitting auxiliary structure is arranged between the driving gear 501 and the cutting table 2.

[0031] The positioning auxiliary structure also includes: a driving screw 401, which has two driving screws 401, and the two driving screws 401 are respectively rotatably connected to the left and right ends of the working bracket 1; the outer end of the driving screw 401 is coaxially fixedly connected to the driving sprocket 402; the outer side of the front and rear driving sprockets 402 on the same side is wound with a driving chain 403, and the driving chain 403 and the driving sprocket 402 together constitute a sprocket chain transmission mechanism; the outer side of the left end driving screw 401 is coaxially fixedly connected to the outer side of the driving motor shaft;

[0032] Threaded transmission holes are provided on the left and right sides of the bottom of the positioning bracket 3. The inner side of the threaded transmission hole is threadedly connected with the outer side of the driving screw 401. The driving screw 401 and the threaded transmission hole together constitute a screw nut transmission pair.

[0033] Among them, a transmission auxiliary frame 405 is inserted into the outer side of the top end surface of the cutting knife 4, and the transmission auxiliary frame 405 is threadedly connected with the reciprocating screw 404;

[0034] An electric push rod 407 is arranged outside the bidirectional rack 406 ; a piston rod is slidably connected to the top end surface of the electric push rod 407 ; and the piston rod is fixedly connected to the bidirectional rack 406 .

[0035] The outer side of the lower end of the cleaning scraper 5 is fixedly connected with a movable plate 502 by an elastic member; the outer end of the movable plate 502 adopts an arc transition.

[0036] The specific usage and function of this embodiment are as follows:

[0037] When the utility model is in use, after the cardboard to be cut is placed on the upper end of the cutting table 2, when the driving motor is started, the driving sprocket 402 and the driving chain 403 drive the two driving screws 401 to rotate synchronously, and the positioning bracket 3 is realized to slide forward and backward above the cutting table 2 during the rotation of the two driving screws 401. According to the cutting demand, the positioning bracket 3 is moved to the specified position of the cardboard, and the electric push rod 407 is started to control the piston rod to extend and retract, so that the two-way rack 406 and the reciprocating screw 404 slide downward. After the cutting knife 4 contacts with the cardboard, the reciprocating screw 404 pushes the transmission auxiliary frame 405 and the cutting knife 4 to slide when the micro motor is started, so as to realize the cutting process of the specified position of the cardboard; during the sliding downward of the two-way rack 406, the two-way rack 406 pushes the driving gear 501 and the cleaning scraper 5 to turn outward synchronously, and during the turning outward of the cleaning scraper 5, the movable plate 502 realizes the cleaning of impurities at the cutting position of the surface of the cardboard, thereby avoiding the loss of the cutting knife 4 caused by the contact with the impurities during the operation and the splashing of impurities. Embodiment 2:

[0038] On the basis of the first embodiment, Figure 5 and Figure 6 As shown:

[0039] The split auxiliary structure includes: a driving shaft 6, which has two groups of driving shafts 6, and the two groups of driving shafts 6 are respectively rotatably arranged on the outside of the two groups of driving gears 501; a plurality of transmission shafts 601 are rotatably arranged between the driving shaft 6 and the driving gear 501, and the outermost transmission shaft 601 is coaxially arranged with the driving shaft 6; a plurality of transmission shafts 601 are coaxially fixedly connected with transmission gears 605 on the outside, and the plurality of transmission gears 605 are meshed with each other; the inner transmission gear 605 is meshed with the driving gear 501;

[0040] The inner end surface of the driving shaft 6 is coaxially fixedly connected with a driving cam 604; the driving cam 604 and the bottom end surface of the cutting table 2 are pressed against each other, and the cutting table 2 and the driving cam 604 together constitute a cam transmission mechanism;

[0041] Elastic reset members 201 are fixedly connected at four angles between the cutting table 2 and the working support 1 .

[0042] The outer end surface of the driving shaft 6 is concentrically fixedly connected with an inner ratchet 603 ; the inner end of the outer end transmission shaft 601 is fixedly connected with a driving ratchet block 602 by a volute spring.

[0043] The specific usage and function of this embodiment are as follows:

[0044] When the utility model is in use, during the rotation of the driving gear 501, the transmission gear 605 drives the driving shaft 6 to rotate synchronously. After the cardboard is cut, the bidirectional rack 406 slides upward to push the driving gear 501 to rotate in the opposite direction, and the driving ratchet block 602 drives the inner ratchet 603 and the driving shaft 6 to rotate synchronously. During the rotation of the driving shaft 6, the driving cam 604 drives the cutting table 2 to assist, so that the cutting table 2 slides up and down quickly. During the rapid up and down sliding of the cutting table 2, the cardboard is shaken. During the repeated contact between the cardboard and the cutting table 2, due to the influence of gravity, the automatic separation of the cardboard and the cardboard raw material after cutting is realized.

Claims

1. A cutting device capable of quickly determining the cutting position, comprising a working support, a cutting table, a positioning support, a cutting knife, a positioning auxiliary structure, two cleaning scrapers and a splitting auxiliary structure, characterized in that: The cutting table is slidably arranged on the top end surface of the working bracket; the positioning bracket is slidably arranged on the outer side above the cutting table; the cutting knife is reciprocatingly slidably arranged at the lower end of the inner side of the positioning bracket; the positioning auxiliary structure is arranged between the cutting knife and the positioning bracket; the positioning auxiliary structure includes: a reciprocating screw and two bidirectional racks, and the reciprocating screw is rotatably arranged above the cutting knife; the two bidirectional racks are respectively slidably connected to the left and right sides of the inner end of the positioning bracket, the bidirectional racks are rotationally connected to the reciprocating screw, and the outer side of the reciprocating screw is coaxially fixedly connected to the outer side of the micro-motor shaft; the two cleaning scrapers are symmetrically rotatably arranged on the left and right sides below the cutting knife; the two ends of the cleaning scraper are coaxially fixedly connected with a driving gear, and the driving gear and the bidirectional rack are meshed with each other; the splitting auxiliary structure is arranged between the driving gear and the cutting table.

2. A cutting device capable of quickly determining a cutting position as claimed in claim 1, characterized in that: The positioning auxiliary structure also includes: two driving screws, which are rotatably connected to the left and right ends of the working bracket respectively; the outer ends of the driving screws are coaxially fixedly connected to the driving sprocket; the outer sides of the driving sprockets on the same sides of the front and rear are wound with a driving chain, and the driving chain and the driving sprocket together constitute a sprocket chain transmission mechanism; the outer side of the left end driving screw is coaxially fixedly connected to the outer side of the driving motor shaft; The left and right sides of the bottom end of the positioning bracket are provided with threaded transmission holes, the inner side of the threaded transmission hole is threadedly connected with the outer side of the driving lead screw, and the driving lead screw and the threaded transmission hole together constitute a lead screw nut transmission pair.

3. A cutting device capable of quickly determining a cutting position as claimed in claim 1, characterized in that: A transmission auxiliary frame is inserted on the outer side of the top end surface of the cutting knife, and the transmission auxiliary frame is threadedly connected to the reciprocating screw; An electric push rod is arranged outside the bidirectional rack; a piston rod is slidably connected to the top end surface of the electric push rod; and the piston rod is fixedly connected to the bidirectional rack.

4. A cutting device capable of quickly determining a cutting position as claimed in claim 1, characterized in that: The outer side of the lower end of the cleaning scraper is fixedly connected with a movable plate with an arc transition at the outer end by an elastic member.

5. A cutting device capable of quickly determining a cutting position as claimed in claim 1, characterized in that: The split auxiliary structure includes: two groups of drive shafts, the two groups of drive shafts are rotatably arranged on the outside of the two groups of drive gears respectively; a plurality of transmission shafts are rotatably arranged between the drive shafts and the drive gears, and the outermost transmission shaft is coaxially arranged with the drive shaft; the outer sides of the plurality of transmission shafts are coaxially fixedly connected with transmission gears, and the plurality of transmission gears are meshed with each other; the inner transmission gears are meshed with the drive gears; The inner end surface of the driving shaft is coaxially fixedly connected with a driving cam; the driving cam and the bottom end surface of the cutting table are pressed against each other, and the cutting table and the driving cam together constitute a cam transmission mechanism; Elastic reset parts are fixedly connected at four angles between the cutting table and the working support.

6. A cutting device capable of quickly determining a cutting position as claimed in claim 5, characterized in that: The outer end surface of the driving shaft is coaxially fixedly connected with an inner ratchet; the inner end of the outer transmission shaft is fixedly connected with a driving ratchet block by a volute spring.

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