CN110587702A - Cutting tool and cutting device with same - Google Patents
Cutting tool and cutting device with same Download PDFInfo
- Publication number
- CN110587702A CN110587702A CN201910779580.1A CN201910779580A CN110587702A CN 110587702 A CN110587702 A CN 110587702A CN 201910779580 A CN201910779580 A CN 201910779580A CN 110587702 A CN110587702 A CN 110587702A
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- Prior art keywords
- cutter
- main
- auxiliary
- side wall
- cutting edge
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- 238000005520 cutting process Methods 0.000 title claims abstract description 142
- 239000000463 material Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims description 72
- 230000033001 locomotion Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 16
- 239000000126 substance Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 7
- 230000002787 reinforcement Effects 0.000 claims 1
- 229920006280 packaging film Polymers 0.000 description 17
- 239000012785 packaging film Substances 0.000 description 17
- 238000010438 heat treatment Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 12
- 238000003825 pressing Methods 0.000 description 9
- 238000004806 packaging method and process Methods 0.000 description 8
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/065—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/0006—Means for guiding the cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2614—Means for mounting the cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/0006—Cutting members therefor
- B26D2001/0033—Cutting members therefor assembled from multiple blades
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- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetal Cutting Devices (AREA)
Abstract
The invention provides a cutting tool and a cutting device with the same. The cutter includes: the cutting device comprises a main cutter and an auxiliary cutter arranged above and connected with the main cutter; the cutting device comprises a main cutter, a cutter blade and a cutter blade, wherein an included angle is formed between a first side wall of the main cutter and the top wall of the main cutter, and the intersection line between the first side wall and the top wall of the main cutter forms a main cutting edge; the third side wall of the auxiliary cutter and the bottom wall of the auxiliary cutter form an included angle, an intersection line between the third side wall and the bottom wall of the auxiliary cutter forms an auxiliary cutting edge, and at least one end of the auxiliary cutting edge of the auxiliary cutter is provided with a guide rod in an extending manner and used for abutting against the top wall of the main cutter so that pre-pressure exists between the auxiliary cutter and the main cutter; the third side wall is the side wall which is in the same direction with the main cutting edge and is arranged close to the main cutting edge; the guide rod is connected with the top wall of the main cutter in a propping mode and can slide between the top wall of the main cutter and the top wall of the main cutter, and the main cutting edge and the auxiliary cutting edge are matched to generate pressure intensity on materials to be cut so as to cut the materials to be cut under the condition that the materials to be cut do not have any prepressing tension force.
Description
Technical Field
The invention relates to the technical field of cutting, in particular to a cutting tool and a cutting device with the same.
Background
In the processing of metal sections (such as steel plates), before final packaging, a packaging film is often attached to the surface of the metal section to protect the surface of the section from being scratched. In order to realize automatic production, the existing film sticking process is basically completed automatically by equipment, and in the film sticking equipment, a film cutting device is indispensable. In addition, in the dispensing apparatus for traditional Chinese medicine, a cutting device is also required to cut the packaging bag for traditional Chinese medicine. The first cutting device was cut by a serrated metal cutter, but the cutting device was not regular in the cut and low in the cutting efficiency, so that the cutting device was generally used at present for cutting by using a heating wire, and the heating wire was fast in cutting and regular in the cut. However, the heating wire has a fatal weakness, namely the heating wire is easy to damage, once the heating wire touches the surface of the profile, the heating wire is damaged, and the heating wire is generally hidden in the equipment, so that the heating wire is troublesome to replace.
The Chinese publication number is: CN 205525311U discloses a packaging film cutting device, includes the knife rest, sets up hold-down mechanism and cutter on the knife rest, the cutter is including the blade of zigzag, be equipped with a plurality of breachs on the blade. The packaging support is covered on the steel plate through the tool rest, when the packaging film needs to be cut off, the packaging film is compacted and tightened by the pressing mechanism, then the packaging film is cut to the cutting knife in a tangential direction, the cutting knife is a zigzag cutting edge, and a notch is reserved on the cutting edge, so that after the packaging film is cut by the cutting knife, the packaging film is not completely cut off, and when the packaging film is continuously conveyed forwards, the packaging film can be easily torn along the notch due to the pressing of the packaging film. The packaging film cutting device capable of cutting and tearing firstly can be used for accurately cutting the steel plate.
However, the above-mentioned device is to pre-press and flatten the packaging film or the packaging bag, and then to cut off the middle part of the pre-pressed position with a knife or a punch under the condition that pressure exists on both sides of the packaging bag, i.e. a pressing mechanism must be present to pre-press and flatten the packaging film to cut off the packaging film or the packaging bag.
Disclosure of Invention
In view of this, the present invention provides a cutting tool and a cutting device having the cutting tool, and aims to solve the problem that the cutting of a packaging film or a packaging bag can be realized only by performing pre-pressing and flattening on the packaging film in the prior art.
In one aspect, the present invention provides a cutting tool comprising: the cutting device comprises a main cutter and an auxiliary cutter arranged above and connected with the main cutter; the cutting device comprises a main cutter, a cutter blade and a cutter blade, wherein an included angle is formed between a first side wall of the main cutter and the top wall of the main cutter, and the intersection line between the first side wall and the top wall of the main cutter forms a main cutting edge; an included angle is formed between a third side wall of the auxiliary cutter and the bottom wall of the auxiliary cutter, an intersection line between the third side wall and the bottom wall of the auxiliary cutter forms an auxiliary cutting edge, and a guide rod is arranged on at least one end of the auxiliary cutting edge of the auxiliary cutter in an extending manner and is used for abutting against the top wall of the main cutter so that pre-pressure exists between the auxiliary cutter and the main cutter; the third side wall is the side wall which is in the same direction as the main cutting edge and is arranged close to the main cutting edge; the guide rod is connected with the top wall of the main cutter in a butting mode, and the top wall of the main cutter are connected in a sliding mode, so that the main cutter is matched with the auxiliary cutter when the main cutter moves in the opposite direction between the auxiliary cutter, pressure is generated on materials to be cut, and the materials to be cut are cut.
Further, according to the cutting tool, the two guide rods arranged at the two ends of the auxiliary blade are arranged side by side, so that a U-shaped structure is formed between the two guide rods and the auxiliary blade.
Further, according to the cutting tool, the bottom wall of the main cutter is provided with the right-angled trapezoidal boss, and the right-angled side wall of the right-angled trapezoidal boss is flush with the second side wall of the main cutter, so that a reinforcing effect is achieved; the second side wall of the main cutter is the side wall opposite to the first side wall.
Further, according to the cutting tool, an included angle between the first side wall and the top wall of the main cutter and/or an included angle between the third side wall and the bottom wall of the auxiliary cutter is 60 degrees ~ 90 degrees, and preferably, an included angle between the first side wall and the top wall of the main cutter and/or an included angle between the third side wall and the bottom wall of the auxiliary cutter is 75 degrees.
Further, according to the cutting tool, a transition surface is arranged between the third side wall of the secondary cutter and the top wall of the secondary cutter, the transition surface and the top wall of the secondary cutter form an obtuse angle, the obtuse angle between the transition surface and the top wall of the secondary cutter is 140 degrees and ~ 160 degrees, and the obtuse angle between the transition surface and the top wall of the secondary cutter is preferably 155 degrees.
In another aspect, the invention further provides a cutting device provided with the cutting tool.
Further, the above cutting device further includes: the device comprises a frame structure, a guide mechanism, a main tool rest, an auxiliary tool rest, a detection mechanism and a control mechanism; wherein the guide mechanism is disposed on the frame structure, and the primary and secondary tool holders are both slidably connected to the guide mechanism; the main cutter of the cutting tool is arranged and connected below the main cutter frame, the auxiliary cutter of the cutting tool is arranged and connected below the auxiliary cutter frame, the guide rod of the auxiliary cutter is clamped between the main cutter and the main cutter frame, and the main cutter is connected with the main cutter frame through a pressure assembly, so that the guide rod of the auxiliary cutter is always pressed on the main cutter; the main tool rest is connected with a driving mechanism and used for driving the main tool rest to reciprocate along the guide mechanism; the auxiliary tool rest is connected with the main tool rest through a connecting assembly and is used for driving the auxiliary tool rest to synchronously move along with the main tool rest when the main tool rest moves along the guide mechanism so as to enable the main tool rest and the auxiliary tool rest to move oppositely or oppositely and realize the cutting of the main cutter and the auxiliary cutter on the material to be cut; the main knife rest or the auxiliary knife rest is provided with a bag sealing assembly for sealing one opening end of the cut material to be cut; the detection mechanism is used for detecting the position of the main tool rest and sending the position information of the main tool rest to the control mechanism; the control mechanism is electrically connected with the detection mechanism and the driving mechanism and used for receiving the position information detected by the detection mechanism and controlling the driving mechanism according to the position information so as to drive the main tool rest and the auxiliary tool rest to move in an opposite direction or in a reverse direction.
Further, the above cutting tool, the link assembly includes: a first link, a second link, and a third link; the first connecting rod is arranged on the frame structure and is rotatably connected with the frame structure; the second connecting rod and the third connecting rod are respectively arranged at two ends of the first connecting rod and are rotatably connected with the first connecting rod.
Further, in the above cutting tool, the driving mechanism includes: the driving motor, the driving gear and the transmission part; the driving gear is arranged on an output shaft of the driving motor and is used for rotating along with the output shaft of the driving motor; one end of the transmission piece is connected with the main tool rest, and the transmission piece is provided with a rack which is meshed with the driving gear and used for converting the circular motion output by the driving motor into the linear motion of the transmission piece so as to drive the main tool rest to reciprocate along the guide mechanism; the transmission part is connected with the main tool rest through a buffer part arranged at the end part of the transmission part and is used for carrying out overload protection on the driving motor.
Further, the above cutting tool, the pressure assembly comprises: bolts, nuts and springs; the side wall of the main cutter frame, which is close to the auxiliary cutter frame, is provided with a protrusion in an extending manner, the head of the bolt is pressed against the top wall of the protrusion through a spring sleeved outside a screw rod of the bolt, and the screw rod of the bolt penetrates through the main cutter and is arranged at the end part below the main cutter and is in threaded connection with the nut.
According to the cutting tool and the cutting device provided by the invention, the guide rod arranged on the auxiliary cutter is abutted against the top wall of the main cutter and is slidably connected with the top wall of the main cutter, so that the reciprocating movement of the main cutter is guided; the main cutter and the auxiliary cutter are always in contact, so that a certain pre-pressure is generated between the main cutter and the auxiliary cutter, when the main cutter and the auxiliary cutter move oppositely, the main cutting edge and the auxiliary cutting edge generate great pressure on the material to be cut between the main cutting edge and the auxiliary cutting edge, the material to be cut is cut off, and the material to be cut is cut off under the condition that the material to be cut does not have any pre-pressure tension.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic structural diagram of a cutting tool in a use state according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a stress analysis state of a cutting tool according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cutting tool according to an embodiment of the present invention;
FIG. 4 is a top view of a cutting tool provided in accordance with an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is an enlarged view at B in FIG. 5;
fig. 7 is a schematic structural diagram of a main cutter according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a secondary cutter according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a cutting device according to an embodiment of the present invention;
FIG. 10 is a schematic view of another embodiment of a cutting device according to the present invention;
FIG. 11 is a top view of a cutting device provided in accordance with an embodiment of the present invention;
FIG. 12 is a cross-sectional view taken at C-C of FIG. 11;
fig. 13 is a block diagram of a cutting apparatus according to an embodiment of the present invention;
FIG. 14 is a schematic view of the assembly between the transmission member and the buffer member according to the embodiment of the present invention;
FIG. 15 is a schematic structural diagram of a pressure assembly provided in accordance with an embodiment of the present invention;
fig. 16 is a schematic structural diagram of a connecting rod assembly according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment of the cutter is as follows:
referring to fig. 1 to 8, schematic structural diagrams of a cutting tool according to an embodiment of the present invention are shown. As shown, the cutting tool 10 includes: a main cutter 1 and an auxiliary cutter 2; wherein the content of the first and second substances,
the side wall packaging machine comprises a main cutter 1, a trapezoid-shaped side wall 13, a trapezoid-shaped lug boss 15, a right-angle lug boss 15, a trapezoid-angle lug boss 15, a right-angle boss 15, a right-.
The third side wall 21 of the secondary cutter 2 and the bottom wall 22 of the secondary cutter 2 are arranged at an included angle, and an intersection line between the third side wall 21 and the bottom wall 22 of the secondary cutter 2 forms a secondary blade 23. specifically, the secondary cutter 2 is an approximate cuboid, in order to improve the utilization rate of the secondary cutter 2 for cutting, the third side wall 21 is a long side wall of the primary cutter 1, namely a side wall of a long and high combination of the cuboid, in order to realize the cutting of the material 3 to be cut, the third side wall 21 is a side wall (a left side wall as shown in fig. 2) arranged in the same direction as the primary blade 13 and close to the primary blade 13, the third side wall 21 and the bottom wall 22 of the secondary cutter 2 are arranged at an included angle relative to the position shown in fig. 5, so that an intersection line between the third side wall 21 and the bottom wall 22 of the secondary cutter 2 forms a secondary blade 23 which is matched with the primary blade 13 to realize the cutting of the material 3, in order to ensure the strength of the secondary blade 2, in particular, the secondary blade 23 is arranged at an included angle of the secondary blade 23, preferably, the secondary blade 21 is 60 degrees and the top wall 23 is arranged at an obtuse angle of the top wall 2, and the top wall 23, and the top wall is more preferably, and the top wall is arranged at an obtuse angle of a secondary blade 25 degrees, and the top wall 23 is equal to be more than or equal to the top wall 23, and more preferably, and more than 25 degrees, and more preferably, and more than the top wall 23 is arranged at an obtuse angle 2, and more than an obtuse angle 2, and more preferably, the top wall 23 is arranged at a top wall 23, and more preferably, and more than an obtuse angle 2 is arranged at a top wall 23, and more preferably, and more than an obtuse angle 2, the top wall 23 is arranged at a top wall 23, and more preferably, and more than an obtuse angle 2, and more preferably, and more than an obtuse angle 2 is arranged at a top wall 23, the top wall 23, and more than an included angle 2 is arranged at a top.
In order to realize the relative movement between the main cutter 1 and the auxiliary cutter 2, a guide rod 26 is extended from at least one end (upper and lower ends as shown in fig. 4) of the auxiliary blade 23 of the auxiliary cutter 2 to abut against the top wall 12 of the main cutter 1, so that pre-pressure is always present between the auxiliary cutter 2 and the main cutter 1 in the thickness direction (vertical direction as shown in fig. 2) of the auxiliary cutter 2 and the main cutter 1, and the guide rod 26 guides the relative movement between the main cutter 1 and the auxiliary cutter 2. Specifically, the guide bar 26 is disposed in the moving direction between the sub-cutter 2 and the main cutter 1 (the horizontal direction as shown in fig. 5). In order to ensure the stability of the guiding rods 26, preferably, there are two guiding rods 26 respectively disposed at two ends of the secondary blade 23, and the two guiding rods 26 are disposed side by side so that a U-shaped structure is formed between the two guiding rods 26 and the secondary blade 23, that is, a notch structure penetrating through the secondary cutter is disposed between the two guiding rods 26 and the secondary blade 23; the guide bar 26 and the minor blade 23 may be an integral structure, and the guide bar 26 may be a long bar, a round bar, a semi-round bar or a round bar structure with a rectangular parallelepiped structure and with a symmetrical plane cut at the upper and lower sides, or may be other structures, which is not limited in this embodiment. The directions of arrows in fig. 2 respectively show the pre-pressures of the main cutter 1 and the auxiliary cutter 2 corresponding to the pre-pressures, that is, the pre-pressure applied by the main cutter 1 to the auxiliary cutter 2 is vertically upward, and the pre-pressure applied by the auxiliary cutter 2 to the main cutter 1 is vertically downward, so as to ensure that the pre-pressure is always present between the two.
The guide rod 26 is abutted against the top wall 12 of the main cutter 1 and is connected with the top wall 12 of the main cutter 1 in a sliding manner, so that the main cutting edge 13 and the auxiliary cutting edge 23 are matched when the main cutter 1 and the auxiliary cutter 2 move oppositely, pressure is generated on the material 3 to be cut between the main cutting edge 13 and the auxiliary cutting edge 23, and the material 3 to be cut is cut. Specifically, the guiding rod 26 abuts against the top wall 12 of the main cutter 1 and is slidably connected with the top wall 12 of the main cutter 1 so as to guide the reciprocating movement of the main cutter 1, and of course, the auxiliary cutter 2 can reciprocate relative to the main cutter 1. The auxiliary cutter 2 is arranged above the main cutter 1, and the bottom wall 22 of the auxiliary cutter 2 abuts against the top wall 12 of the main cutter 1, so that pre-pressure exists between the auxiliary cutter 2 and the main cutter 1, namely, the main cutter 1 and the auxiliary cutter 2 are always in contact with each other, a certain pre-pressure exists between the main cutter 1 and the auxiliary cutter 2, so that when the main cutter 1 and the auxiliary cutter 2 move oppositely, the main cutting edge 13 and the auxiliary cutting edge 23 generate great pressure on the material 3 to be cut between the cutting edge 13 and the auxiliary cutting edge 23, the material 3 to be cut is cut off, and the material 3 to be cut is cut off under the condition that no pre-pressing tension exists in the material 3 to be cut. Wherein the direction of the arrow in fig. 1 indicates the direction of movement between the primary cutter 1 and the secondary cutter 2.
In summary, in the cutting tool provided in the present embodiment, the guide rod 26 disposed on the secondary cutting knife 2 abuts against the top wall 12 of the primary cutting knife 1, and the two are slidably connected to guide the reciprocating movement of the primary cutting knife 1, and certainly, the secondary cutting knife 2 can also reciprocate relative to the primary cutting knife 1; the main cutter 1 and the auxiliary cutter 2 are always in contact, so that a certain pre-pressure exists between the main cutter 1 and the auxiliary cutter 2, when the main cutter 1 and the auxiliary cutter 2 move oppositely, the main cutting edge 13 and the auxiliary cutting edge 23 generate great pressure on the material 3 to be cut between the main cutting edge 13 and the auxiliary cutting edge 23, the material 3 to be cut is cut off, and the material 3 to be cut is cut off under the condition that the material 3 to be cut does not have any pre-pressure tension.
The embodiment of the device is as follows:
referring to fig. 9 to 14, there are shown schematic structural views of a cutting device provided in an embodiment of the present invention. As shown, the apparatus comprises: the cutting tool 10, the frame structure 20, the guide mechanism 30, the main tool rest 40, the auxiliary tool rest 50, the pressure assembly 60, the connecting assembly 70, the bag sealing assembly 80, the driving mechanism 100, the detecting mechanism 200 and the control mechanism 300; the specific implementation process of the cutting tool 10 may be as described above, and this embodiment is not described herein again.
The guide mechanism 30 is disposed on the frame structure 20, and the main blade holder 40 and the sub-blade holder 50 are slidably attached to the guide mechanism 30. Specifically, the frame structure 20 may be assembled from sheets to provide support for the entire device. A guide mechanism 30 is secured to the frame structure 20 for guiding the movement of the primary and secondary carriages 40, 50. The main blade holder 40 and the sub blade holder 50 may be arranged side by side along a length direction (a horizontal direction as shown in fig. 11) of the guide mechanism 30, and both may be provided with a through hole to be penetrated on the guide mechanism 30 and slidably connected with the guide mechanism 30 along the length direction of the guide mechanism 30, so as to guide the movement of the main blade holder 40 and the sub blade holder 50. The guiding mechanism 30 may be a guiding rod with a circular cross section, or a plurality of guiding rods arranged side by side to ensure the stability of the movement of the main tool post 40 and the auxiliary tool post 50. The main tool rest 40 and the auxiliary tool rest 50 may have a rectangular parallelepiped structure, and in order to achieve light weight, the main tool rest 40 and the auxiliary tool rest 50 may be provided with lightening holes.
In order to realize the opposite movement or the opposite movement between the main cutter 1 and the auxiliary cutter 2 of the cutting tool 10, the main cutter 1 of the cutting tool 10 is arranged and connected below the main cutter frame 40, the auxiliary cutter 2 of the cutting tool 10 is arranged and connected below the auxiliary cutter frame 50, the guide rod 26 of the auxiliary cutter 2 is clamped between the main cutter 1 and the main cutter frame 40, and the main cutter 1 and the main cutter frame 40 are connected through the pressure assembly 60, so that the guide rod 26 of the auxiliary cutter frame 2 is always pressed on the main cutter 1, and further, the main cutter 1 and the auxiliary cutter 2 are always ensured to have pre-pressure along the thickness direction (vertical direction shown in fig. 12) of the main cutter 1, and the cutting of the material 3 to be cut is realized under the condition that the material 3 to be cut has no pre-pressure tension. Specifically, the main cutter 1 is disposed below the main cutter holder 40, and is connected to the main cutter holder 40 through the pressure assembly 60 so as to move synchronously with the main cutter holder 40 along the guide mechanism 30, or may be directly connected to the main cutter holder 40, for example, the main cutter 1 directly abuts against a bottom wall of the main cutter holder 40, and one of the two is provided with a mounting hole so that the guide rod 26 of the sub-cutter 2 is inserted into the mounting hole and clamped therebetween, but of course, the connection manner of the main cutter 1 and the main cutter holder 40 is not limited thereto, and may be connected by other manners. The sub-cutter 2 abuts against and is fixed to the bottom wall of the sub-cutter holder 50 so as to move synchronously with the sub-cutter holder 50 along the guide mechanism 30. In the present embodiment, the main cutting blade 1 is connected to the main blade holder 40 through the pressing assembly 60, and in order to improve the uniformity of the pre-pressure between the main cutting blade 1 and the secondary cutting blade 2 along the length direction of the main blade 13, preferably, the main cutting blade 1 and the main blade holder 40 are connected through a plurality of pressing assemblies 60 along the length direction of the main blade 13 (vertical direction as shown in fig. 11), a plurality of protrusions 41 are extended from the side wall of the main blade holder 40 close to the secondary blade holder 30 (right side wall as shown in fig. 14) and are arranged in one-to-one correspondence with the pressing assemblies 60, and the protrusions 41 are connected to the main cutting blade 1 through the corresponding pressing assemblies 60, so that the guide rod 26 is tightly abutted against the top wall 12 of the main cutting blade 1 and the bottom wall of the main blade holder 40 (relative to the position shown in fig. 14.
The driving mechanism 100 is connected to the main tool post 40 for driving the main tool post 40 to reciprocate along the guiding mechanism 30 to provide power for the movement of the main tool post 40 and the auxiliary tool post 50, so as to drive the main cutter 1 and the auxiliary cutter 2 to move towards or away from each other.
The auxiliary tool rest 50 is connected with the main tool rest 40 through a connecting assembly 70, and is used for driving the auxiliary tool rest 40 to move reversely when the main tool rest 40 moves along the guide mechanism 30, so that the main tool rest 40 and the auxiliary tool rest 50 move towards or away from each other, the main cutter 1 and the auxiliary cutter 2 are driven to move towards or away from each other synchronously, and then the main cutter 1 and the auxiliary cutter 2 are cut off the material 3 to be cut. Wherein, the middle position of the link assembly 70 may be disposed on the frame structure 20 and rotatably connected with the frame structure 20, and one end of the link assembly 70 is rotatably connected with the main blade frame 40 and the other end is rotatably connected with the sub blade frame 50. In order to ensure the stability of the movement between the secondary tool holder 50 and the primary tool holder 40, the connecting assembly 70 is preferably disposed on the frame structure 20, and the secondary tool holder 50 and the primary tool holder 40 are connected by two connecting assemblies 70, i.e., the upper end of the secondary tool holder 50 (relative to the position shown in fig. 11) is connected to the upper end of the primary tool holder 40, and the lower end of the secondary tool holder 50 is connected to the lower end of the primary tool holder 40 by one connecting assembly 70.
To achieve the sealing of the material 3 to be cut, such as a packaging film, it is preferable that the main cutter frame 40 or the sub-cutter frame 50 is provided with a sealing assembly 80 for sealing one of the open ends of the cut material 3 to be cut. Among them, the envelope assembly 80 may be provided with a sealing portion 81 for heating and a sealing portion 82 for non-heating, one of which is provided on the side wall of the main blade holder 40 adjacent to the sub-blade holder 50 and the other of which is provided on the side wall (the left side wall as viewed in fig. 14) of the sub-blade holder 50 adjacent to the main blade holder 40. When the main blade holder 40 and the sub-blade holder 50 are in the initial positions, that is, when the distance between the two is the maximum, the distance between the sealing portion 81 for heating and the sealing portion 82 for non-heating is greater than the distance between the main blade 13 and the sub-blade holder 23, for example, the sealing portion 81 for heating is provided on the sub-blade holder 50, the sealing portion 82 for non-heating is provided on the main blade holder 40, and the distance between the main blade 13 and the sub-blade holder 50 is greater than the distance between the sealing portion 82 for non-heating and the sub-blade holder 50, and the distance between the sub-blade 23 and the main blade holder 40 is greater than the distance between the sealing portion 81 for heating and the main blade holder 40, so as to ensure the bag sealing of the open end after cutting.
The detection mechanism 200 may be provided on the frame structure 20, or may be provided at another position, so as to detect the position of the main blade holder 40, detect whether the main blade holder 40 reaches the end position of its movement stroke, and send the position information of the main blade holder 40 to the control mechanism 300. The control mechanism 300 is electrically connected to the detection mechanism 200 and the driving mechanism 100, and is configured to receive the position information detected by the detection mechanism 200, and control the driving mechanism 100 according to the position information, so as to drive the main tool post 400 and the sub tool post 500 to move towards or away from each other. For example, the detection mechanism 200 may be two sensors for detecting whether the main blade holder 40 reaches the positions of the left and right ends (relative to the position shown in fig. 11) of the movement stroke, or may be one, that is, only one of the positions of the two ends, and the two sensors are exemplified in the present embodiment. The detection mechanism 200 can also directly detect the position of the transmission member 103 of the driving mechanism 100 to detect and know the position of the main blade holder 40.
With continued reference to fig. 9-14, the drive mechanism 100 includes: a driving motor 101, a driving gear 102, a transmission member 103, and a buffer member 104; wherein the content of the first and second substances,
the driving gear 102 is provided on an output shaft of the driving motor 101 to rotate with the output shaft of the driving motor 101. Specifically, the driving gear 102 may be fixed to an output shaft of the driving motor 101 by a key to be rotated in synchronization with the driving motor 101. Wherein, the driving motor 101 is electrically connected with the control mechanism 300, so that the control mechanism 300 controls the forward and reverse rotation of the driving motor 101 according to the detection result of the detection mechanism 200.
One end (right end as viewed in fig. 11) of the transmission member 103 is connected to the main blade holder 40, and the transmission member is provided with a rack 1031 which is engaged with the drive gear 102 to convert the circular motion output from the drive motor 101 into linear motion of the transmission member 103 to drive the main blade holder 40 to reciprocate along the guide mechanism 30. Specifically, the right end of the transmission member 103 may be provided with a plurality of mounting rods 1032 which are inserted into the main tool holder 40 and connected to the main tool holder 40, so as to drive the main tool holder 40 to reciprocate synchronously with the transmission member 103, and further drive the auxiliary tool holder 50 to move therewith. In order to provide overload protection for the driving motor 101 and to ensure stable and reliable output force of the driving motor 101, it is preferable that an end portion (a right end as viewed in fig. 11) of the transmission member 103 is provided with a buffer member 104 connected to the main tool holder 40 for overload protection of the driving motor 101. Wherein, the transmission member 103 can be slidably disposed on the frame structure 20 to drive the main tool holder 40 to reciprocate. The buffer member 104 may be a spring provided on the mounting bar 1032 to buffer the driving force of the transmission member 103 to the main blade holder 40.
Referring to fig. 15, a schematic structural diagram of a pressure assembly according to an embodiment of the present invention is shown. As shown, the pressure assembly 60 includes: a bolt 61, a nut 62, and a spring 63; wherein the content of the first and second substances,
a protrusion 41 is extended from the side wall of the main cutter holder 40 close to the auxiliary cutter holder 50, the head 611 of the bolt 61 is pressed against the top wall (relative to the position shown in fig. 15) of the protrusion 41 by a spring 63 sleeved on the screw 612 of the bolt 61, and the screw 612 of the bolt 61 penetrates through the main cutter 1 and the end (lower end shown in fig. 15) arranged below the main cutter 1 is screwed with the nut 62. Specifically, the head 611 of the bolt 61 is arranged above the corresponding protrusion 41 of the pressure assembly 60, the spring 63 is sleeved outside the screw 612 of the bolt 61 and is located between the protrusion 41 and the head 611 of the bolt 61, the screw 612 of the bolt 61 is arranged through the protrusion 41 and the main cutter 1, the lower end of the screw 612 is located below the main cutter 1 and is in threaded connection with the nut 62, so that the pressure of the protrusion 41 and the main cutter 1 on the guide rod 26 clamped between the main cutter 1 and the main cutter holder 40 is adjusted through the elastic force of the spring 62, and therefore, the pre-pressure is always kept between the main cutter 1 and the auxiliary cutter 2.
Referring to fig. 16, a schematic structural diagram of a connection assembly according to an embodiment of the present invention is shown. As shown, the connection assembly 70 includes: a first link 71, a second link 72, and a third link 73; wherein the content of the first and second substances,
the first link 71 is on the frame structure 20 and is rotatably connected with the frame structure 20. In particular, the intermediate position of the first link 71 may be hinged on the frame structure 20 to enable rotation of the intermediate position of the first link 71 about the connection position between the intermediate position of the first link 71 and the frame structure 20. Of course, the connecting position between the first link 71 and the frame structure 20 is not limited to the middle position of the first link 71, and may be determined according to actual conditions, and this embodiment is not limited in any way.
The second link 72 and the third link 73 are respectively provided at both ends of the first link 71 and are both rotatably connected with the first link 71. Specifically, the left end of the second link 72 is hinged to an end portion (upper or lower end as viewed in fig. 11) of the main blade carrier 40, the right end of the second link 72 is hinged to a left lower end of the first link 71, the left end of the third link 73 is hinged to a right lower end of the first link 71, and the right end of the third link 73 is hinged to an end portion (upper or lower end as viewed in fig. 11) of the sub blade carrier 50. Since the main blade carrier 40 and the sub-blade carrier 50 are on the same horizontal plane, the second link 72 and the third link 73 are arranged in parallel, and the left end of the second link 72, the right end of the third link 73, and the connection position between the first link 71 and the frame structure 20 are on the same horizontal plane, so as to reduce the vertical driving force provided by the second link 72 and the third link 73 to the main blade carrier 40 and the sub-blade carrier 50. When any one of the first connecting rod 71, the second connecting rod 72 and the third connecting rod 73 rotates, the other two connecting rods synchronously rotate along with the rotation, and particularly, when the connecting assembly 70 is connected between the main tool rest 40 and the auxiliary tool rest 50, one connecting rod rotates to drive the two connecting rods to synchronously rotate along with the rotation, so that the opposite movement or the opposite movement between the main tool rest 40 and the auxiliary tool rest 50 is realized.
The working process of the cutting device comprises the following steps:
first, the main cutter frame 40 is at the initial position, i.e. at the leftmost end of the movement stroke (relative to the position shown in fig. 11), at this time, the detection mechanism 200 detects that the main cutter frame 40 is at the leftmost end of the movement stroke and sends the position information to the control mechanism 300, the control mechanism 300 controls the driving motor 101 to rotate clockwise (relative to the position shown in fig. 11) according to the position information, so as to synchronously rotate the driving gear 102 clockwise, and further drive the transmission member 103 to move rightward, so as to drive the main cutter frame 40 to synchronously move rightward, so that the first connecting rod 71 rotates, the second connecting rod 72 rotates clockwise (relative to the position shown in fig. 16), and the third connecting rod 73 rotates, so as to drive the secondary cutter frame 50 to move leftward, i.e. the main cutter frame 40 and the secondary cutter frame 50 move towards each other, i.e. the main cutter 1 and the secondary cutter 2 synchronously move towards each other, so as to gradually reduce the distance, thereby generating great stress on the surface of the material 3 to be cut, and cutting the material 3 to be cut; after cutting, the main cutter frame 40 and the auxiliary cutter frame 50 continue to move oppositely, the sealing parts of the main cutter frame and the auxiliary cutter frame are closed, a certain pressure is generated, and one opening end of the cut material 3 to be cut is sealed by sealing.
Since the cutting blade has the above-described effects, the cutting device having the cutting blade also has corresponding technical effects.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (12)
1. A cutting tool, comprising: the cutting device comprises a main cutter (1) and an auxiliary cutter (2) arranged above and connected with the main cutter (1); wherein the content of the first and second substances,
the first side wall (11) of the main cutter (1) and the top wall (12) of the main cutter (1) form an included angle, and an intersection line between the first side wall (11) and the top wall (12) of the main cutter (1) forms a main cutting edge (13);
an included angle is formed between a third side wall (21) of the auxiliary cutter (2) and a bottom wall (22) of the auxiliary cutter (2), an intersection line between the third side wall (21) and the bottom wall (22) of the auxiliary cutter (2) forms an auxiliary cutting edge (23), and a guide rod (26) is arranged at least one end of the auxiliary cutting edge (23) of the auxiliary cutter (2) in an extending mode and is used for being abutted against a top wall (12) of the main cutter (1) so that pre-pressure exists between the auxiliary cutter (2) and the main cutter (1); the third side wall (21) is the side wall which is in the same direction with the main cutting edge (13) and is arranged close to the main cutting edge (13);
the guide rod (26) is abutted to the top wall (12) of the main cutter (1) and is connected with the top wall in a sliding mode, so that when the main cutter (1) and the auxiliary cutter (2) move oppositely, the main cutting edge (13) is matched with the auxiliary cutting edge (23) to generate pressure on a material (3) to be cut, which is arranged between the main cutting edge (13) and the auxiliary cutting edge (23), and the material (3) to be cut is cut.
2. The severing tool of claim 1,
two guide rods (26) arranged at two ends of the auxiliary blade (23) are arranged side by side, so that a U-shaped structure is formed between the two guide rods (26) and the auxiliary blade (23).
3. The severing tool of claim 1,
a right-angled trapezoidal boss (15) is arranged on the bottom wall (14) of the main cutter (1), and a right-angled side wall (151) of the right-angled trapezoidal boss (15) and a second side wall (16) of the main cutter (1) are arranged in a coplanar manner to play a role in reinforcement; the second side wall (16) of the main cutter (1) is the side wall opposite to the first side wall (11).
4. The cutting tool according to any one of claims 1 to 3,
the included angle between the first side wall (11) and the top wall (12) of the main cutter (1) and/or the included angle between the third side wall (21) and the bottom wall (22) of the auxiliary cutter (2) is 60 degrees ~ 90 degrees.
5. The cutting tool according to any one of claims 1 to 3,
the included angle between the main cutting edge (13) and the second side wall (16) of the main cutter (1) is larger than 0 degree and smaller than or equal to 3 degrees; and/or the presence of a gas in the gas,
the included angle between the auxiliary cutting edge (23) and the fourth side wall (27) of the auxiliary cutter (2) is larger than 0 degree and smaller than or equal to 3 degrees.
6. The cutting tool according to any one of claims 1 to 3,
the main cutting edge (13) and the auxiliary cutting edge (23) are arranged at an included angle, and the angle between the main cutting edge (13) and the auxiliary cutting edge (23) is greater than 0 degree and less than or equal to 6 degrees.
7. The cutting tool according to any one of claims 1 to 3,
a transition surface (25) is arranged between the third side wall (21) of the auxiliary cutter (2) and the top wall (24) of the auxiliary cutter (2), and the transition surface and the top wall (24) of the auxiliary cutter (2) form an obtuse angle;
the obtuse angle between the transition surface (25) and the top wall (24) of the secondary cutter (2) is 140 degrees ~ 160 degrees.
8. Cutting device, characterized in that a cutting tool (10) according to any one of claims 1 to 7 is provided.
9. The cut-off device of claim 8, further comprising: the device comprises a frame structure (20), a guide mechanism (30), a main tool rest (40), an auxiliary tool rest (50), a detection mechanism (200) and a control mechanism (300); wherein the content of the first and second substances,
the guide mechanism (30) is arranged on the frame structure (20), and the main tool post (40) and the auxiliary tool post (50) are both connected on the guide mechanism (20) in a sliding way;
the main cutter (1) of the cutting tool (10) is arranged and connected below the main cutter frame (40), the auxiliary cutter (2) of the cutting tool (10) is arranged and connected below the auxiliary cutter frame (50), a guide rod (26) of the auxiliary cutter (2) is clamped between the main cutter (1) and the main cutter frame (40), and the main cutter (1) and the main cutter frame (40) are connected through a pressure assembly (60) so that pre-pressure always exists between the auxiliary cutter (2) and the main cutter (1);
the main tool rest (40) is connected with a driving mechanism (100) for driving the main tool rest (40) to reciprocate along the guide mechanism (30);
the auxiliary tool rest (50) is connected with the main tool rest (40) through a connecting assembly (70) and used for driving the auxiliary tool rest (50) to move reversely when the main tool rest (40) moves along the guide mechanism (30), so that the main tool rest (40) and the auxiliary tool rest (50) move towards or away from each other, and the main cutter (1) and the auxiliary cutter (2) cut the material (3) to be cut;
the main knife rest (40) or the auxiliary knife rest (50) is provided with a bag sealing assembly (80) for sealing one opening end of the cut material (3) to be cut;
the detection mechanism (200) is used for detecting the position of the main tool rest (40) and sending the position information of the main tool rest (40) to the control mechanism (300);
the control mechanism (300) is electrically connected with the detection mechanism (200) and the driving mechanism (100) and used for receiving the position information detected by the detection mechanism (200) and controlling the driving mechanism (100) according to the position information so as to drive the main tool rest (40) and the auxiliary tool rest (50) to move towards or away from each other.
10. The cutoff apparatus according to claim 9, characterized in that the connecting-rod assembly (70) comprises: a first link (71), a second link (72), and a third link (73); wherein the content of the first and second substances,
the first connecting rod (71) is arranged on the frame structure (20) and is rotatably connected with the frame structure (20);
the second connecting rod (72) and the third connecting rod (73) are respectively arranged at two ends of the first connecting rod (71) and are rotatably connected with the first connecting rod (71).
11. The cutoff device according to any one of claims 8 to 10, characterized in that the driving mechanism (100) comprises: a driving motor (101), a driving gear (102) and a transmission piece (103); wherein the content of the first and second substances,
the driving gear (102) is arranged on an output shaft of the driving motor (101) and is used for rotating along with the output shaft of the driving motor (101);
one end of the transmission piece (103) is connected with the main tool rest (40), and a rack (1031) is arranged on the transmission piece (103) and meshed with the driving gear (102) so as to convert the circular motion output by the driving motor (101) into the linear motion of the transmission piece (103) and drive the main tool rest (40) to reciprocate along the guide mechanism (30);
the transmission piece (103) is connected with the main tool rest (40) through a buffer piece (104) arranged at the end part of the transmission piece, and is used for carrying out overload protection on the driving motor (101).
12. The shut-off device according to any one of claims 8 to 10, characterized in that said pressure assembly (60) comprises: a bolt (61), a nut (62), and a spring (63); wherein the content of the first and second substances,
the side wall of the main cutter frame (40) close to the auxiliary cutter frame (50) is provided with a protrusion (41) in an extending manner, the head (611) of the bolt (61) is pressed against the top wall of the protrusion (41) through a spring (63) sleeved outside a screw rod (612) of the bolt (61), and the screw rod (612) of the bolt (61) penetrates through the main cutter (1) and is arranged at the end part below the main cutter (1) and is in threaded connection with the nut (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779580.1A CN110587702A (en) | 2019-08-22 | 2019-08-22 | Cutting tool and cutting device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910779580.1A CN110587702A (en) | 2019-08-22 | 2019-08-22 | Cutting tool and cutting device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110587702A true CN110587702A (en) | 2019-12-20 |
Family
ID=68855154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910779580.1A Pending CN110587702A (en) | 2019-08-22 | 2019-08-22 | Cutting tool and cutting device with same |
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| Country | Link |
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| CN (1) | CN110587702A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111086065A (en) * | 2019-12-30 | 2020-05-01 | 曾训煌 | Bamboo founds fragrant leveling equipment that cuts off |
| CN113911794A (en) * | 2021-12-14 | 2022-01-11 | 江苏靓时新材料科技股份有限公司 | Impregnated paper conveying equipment |
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