CN114251318B - Quick box-type shearing machine and working method thereof - Google Patents
Quick box-type shearing machine and working method thereof Download PDFInfo
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- CN114251318B CN114251318B CN202111569278.7A CN202111569278A CN114251318B CN 114251318 B CN114251318 B CN 114251318B CN 202111569278 A CN202111569278 A CN 202111569278A CN 114251318 B CN114251318 B CN 114251318B
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- 238000010008 shearing Methods 0.000 title claims abstract description 256
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 114
- 238000003825 pressing Methods 0.000 claims abstract description 80
- 239000007788 liquid Substances 0.000 claims description 22
- 238000007599 discharging Methods 0.000 claims description 9
- 239000002828 fuel tank Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
-
- 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
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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
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/12—Fluid-pressure means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
- F15B2013/004—Cartridge valves
Abstract
The invention relates to a rapid box-type shearing machine which comprises a frame, wherein a material box is arranged in the frame, a left material pressing oil cylinder is arranged on the right side of the middle of the material box, a material pressing pushing head is arranged at the output end of the left end of the material pressing oil cylinder, a left shearing main oil cylinder is arranged on the right side of the bottom of the material box, a left shearing auxiliary oil cylinder is respectively arranged in front of and behind the shearing main oil cylinder, the output end of the shearing main oil cylinder and the output ends of the two shearing auxiliary oil cylinders are jointly connected with a shearing movable cutter holder, the inner diameter of an oil cylinder of the shearing main oil cylinder is larger than that of the oil cylinder of the shearing auxiliary oil cylinder, a shearing movable cutter is arranged at the left upper end of the shearing movable cutter holder, a shearing fixed cutter holder is arranged on a wallboard at the left side of a fixed baffle, and a shearing fixed cutter is arranged at the right lower corner of the shearing fixed cutter holder. The rapid box-type shearing machine and the working method thereof have the advantages of higher shearing speed and improved production efficiency.
Description
Technical Field
The invention relates to a rapid box-type shearing machine and a working method thereof.
Background
The traditional feeding mode of the shearing machine is to manually hold the materials for shearing, the labor intensity of workers is extremely high, the efficiency is low, or the shearing machine with the material box is to fill the material box once for shearing, and the materials in the material box can be fed again after being sheared completely, so that the waiting time of the workers is caused, and the production efficiency cannot be improved.
The Chinese patent with the patent number of 201710983344.2 discloses a box-type shearing machine with a stepped compression type pushing device, which solves the problems and completes synchronous feeding and shearing operations, the box-type shearing machine is provided with two shearing cylinders which are arranged side by side, and for some large-sized materials, the stroke of the shearing cylinders in the use process of the box-type shearing machine is larger, the shearing speed is lower, the average shearing time is 35-40 seconds, and the production efficiency is also affected.
Disclosure of Invention
The invention aims to overcome the defects and provide a rapid box-type shearing machine with higher shearing speed and improved production efficiency and a working method thereof.
The purpose of the invention is realized in the following way:
the utility model provides a box cutter of rapid change, includes the frame, the inside workbin that is equipped with of frame, the workbin includes fixed baffle, fixed baffle includes front side, rear side and left wallboard, the middle part right side of workbin is provided with the swager jar that presses the left, the output of the left end of swager jar is provided with presses the material and pushes away the head, the bottom right side of workbin is provided with the shearing master cylinder that cuts left, the place ahead and the rear of shearing master cylinder are provided with a shearing auxiliary cylinder left respectively, the output of shearing master cylinder and the output of two shearing auxiliary cylinders connect a shearing activity blade holder jointly, the hydro-cylinder internal diameter of shearing master cylinder is greater than the hydro-cylinder internal diameter of shearing auxiliary cylinder, the upper left end of shearing activity blade holder is provided with the shearing activity sword, be provided with the shearing fixed blade holder on the left wallboard of fixed baffle, the lower right corner of shearing fixed blade holder is provided with the shearing stationary knife.
Preferably, the lower edge of the shearing fixed knife is flush with the upper edge of the shearing movable knife, a discharging channel which is transversely penetrated leftwards is arranged below the shearing fixed knife holder, and the discharging channel is positioned at the left side of the shearing movable knife holder.
As a preferred embodiment, a method for operating a rapid box shear is as follows:
firstly, putting materials into a material box, after the materials enter a shearing channel, pressing a material cylinder to act, pressing a material pushing head to press the materials on a wallboard at the left end of the material box, then, moving a shearing movable cutter holder to be in contact with the materials in the shearing channel by two shearing auxiliary cylinders to act, after the contact pressure reaches a set value, shearing the materials in the shearing channel and pushing the materials out of a discharging channel by the action of a shearing main cylinder, slowly returning the shearing main cylinder, returning the shearing movable cutter holder to the shearing channel, then, returning the shearing auxiliary cylinders to drive the shearing movable cutter holder to return, driving the material pushing head to return by the material pushing cylinder, and continuously dropping the materials above to the shearing channel to repeat the steps.
Preferably, a rapid box shear further comprises a rapid box shear hydraulic control system, the rapid box shear hydraulic control system comprising an oil tank,
the oil tank supplies two oil paths, a first oil path is sequentially connected with a first electro-hydraulic reversing valve and a pressing oil cylinder of the pressing control system, and a second oil path is connected with a shearing main oil cylinder and two shearing auxiliary oil cylinders of the shearing control system;
the first branch oil way is sequentially provided with a first gate valve, a first oil inlet filter, a first high-pressure oil pump and a first one-way valve from the oil tank to the material pressing control system, and the material pressing control system comprises a first electrohydraulic reversing valve and a material pressing oil cylinder; the first electro-hydraulic reversing valve is provided with a second electromagnet and a third electromagnet;
the second branch oil way is sequentially provided with a second gate valve, a second oil inlet filter, a second high-pressure oil pump and a second one-way valve from the oil tank to the shearing control system, the second branch oil way between the second high-pressure oil pump and the second one-way valve is externally connected with an unloading valve, the unloading valve is provided with a ninth electromagnet, the shearing control system is sequentially provided with a second electrohydraulic reversing valve from front to back, a rear cavity oil way and a front cavity oil way which are connected to the shearing main oil cylinder and the rear cavities of the two shearing auxiliary oil cylinders, the front cavity oil way is connected to the shearing main oil cylinder and the front cavities of the two shearing auxiliary oil cylinders, the rear cavity oil way is sequentially provided with a first safety valve cartridge assembly and a first shuttle valve cartridge assembly, the front cavity oil way is sequentially provided with a second safety valve cartridge assembly and a second shuttle valve cartridge assembly, the second electrohydraulic reversing valve is provided with a first electromagnet, the second shuttle valve cartridge assembly is provided with a fourth electromagnet, the first shuttle valve cartridge assembly is provided with a fifth electromagnet, the first safety valve cartridge assembly is provided with a first electromagnet, the first safety valve cartridge is provided with a liquid filling valve cartridge valve, the front-side valve cartridge is provided with a front-side oil cylinder and a rear side pipeline, the front side pipeline is provided with a side pipeline, the front pipeline is provided with a side pipeline, and a side pipeline is provided with a side pipeline, and is provided with a main pipeline.
Preferably, the working method of the hydraulic control system of the rapid box-type shearing machine is as follows:
step one, feeding a material pressing oil cylinder
At the moment, the first electromagnet and the third electromagnet are powered on, the other electromagnets are not powered on, the first high-pressure oil pump and the second high-pressure oil pump supply oil at the same time, and the rear cavity of the material pressing oil cylinder is filled with oil so that the material pressing oil cylinder is jacked in;
step two, feeding the shearing auxiliary cylinder
At the moment, the first electromagnet, the fifth electromagnet and the sixth electromagnet are powered, the other electromagnets are not powered, the first high-pressure oil pump and the second high-pressure oil pump are used for supplying oil at the same time, the two shearing auxiliary oil cylinders are rapidly jacked in, the rear cavity of the shearing main oil cylinder directly absorbs oil from the oil tank through the liquid filling valve, the pilot valve is opened, the front cavity of the shearing main oil cylinder is exhausted, and when the pressure of the sequence valve reaches 10MPA, the next step is entered;
step three, slowly feeding the shearing main oil cylinder
When the pressure of the sequence valve reaches 10MPA, the sequence valve is opened, at the moment, the first electromagnet, the fifth electromagnet, the sixth electromagnet and the ninth electromagnet are powered on, the other electromagnets are not powered on, the first high-pressure oil pump is used for independently supplying oil, the rear cavity of the main shearing oil cylinder is used for feeding oil, and the main shearing oil cylinder is used for slowly ejecting out to shear materials;
step four, slowly withdrawing the shearing main oil cylinder
When the shearing of the materials is finished, the first electromagnet, the fourth electromagnet, the seventh electromagnet, the eighth electromagnet and the ninth electromagnet are powered on, the other electromagnets are not powered on, the first high-pressure oil pump is used for independently supplying oil, the front cavity of the shearing main oil cylinder is used for feeding oil, the shearing main oil cylinder is slowly retracted, and the shearing main oil cylinder is retracted to the shearing fixed knife so as to prevent the materials from being blocked;
step five, the shearing auxiliary cylinder is retracted
After the shearing main oil cylinder moves back to the shearing fixed knife, the eighth electromagnet is powered off, the ninth electromagnet is powered off and unloaded, at the moment, the first electromagnet, the fourth electromagnet and the seventh electromagnet are powered on, the rest electromagnets are not powered on, the front cavity of the shearing auxiliary oil cylinder is filled with oil, and the shearing auxiliary oil cylinder moves back; simultaneously, a liquid filling valve is opened, oil is returned from a rear cavity of the main shearing oil cylinder, and a pilot valve is opened, and air is fed into a front cavity of the main shearing oil cylinder;
step six, withdrawing the material pressing oil cylinder
Then the first electromagnet and the second electromagnet are powered on, the other electromagnets are not powered on, the first high-pressure oil pump and the second high-pressure oil pump supply oil at the same time, and the front cavity of the material pressing oil cylinder is filled with oil so that the material pressing oil cylinder is retracted; the materials above the shearing channel continuously fall into the shearing channel;
repeating the steps from the first step to the sixth step to circularly perform the work of the rapid box type shearing machine.
Preferably, the second electromagnet is powered to feed oil into the front cavity of the pressing oil cylinder, the pressing oil cylinder is retracted, the third electromagnet is powered to feed oil into the rear cavity of the pressing oil cylinder, and the pressing oil cylinder is advanced; the front cavity of the material pressing cylinder is also connected with a first pressure relay, the set pressure of the first pressure relay is 20MPA, and the front cavity and the rear cavity of the material pressing cylinder are also respectively provided with a material pressing cylinder front cavity travel switch and a material pressing cylinder rear cavity travel switch.
As one preferable mode, the rear cavity of the shearing main oil cylinder is also connected with a second pressure relay, the front cavity of the shearing auxiliary oil cylinder is provided with a first travel switch of the front cavity of the shearing auxiliary oil cylinder, a second travel switch of the front cavity of the shearing auxiliary oil cylinder and a third travel switch of the front cavity of the shearing auxiliary oil cylinder, and the rear cavity of the shearing auxiliary oil cylinder is provided with a first travel switch of the rear cavity of the shearing auxiliary oil cylinder and a second travel switch of the rear cavity of the shearing auxiliary oil cylinder, which are sequentially arranged from front to back.
Preferably, the first electro-hydraulic reversing valve, the second electro-hydraulic reversing valve, the first safety valve cartridge valve assembly, the second safety valve cartridge valve assembly, the first shuttle valve cartridge valve assembly and the second shuttle valve cartridge valve assembly are integrated on the same integrated valve block, and the two oil ways can supply oil to the integrated valve block at the same time and also can supply oil independently.
Preferably, an oil drain port is arranged at the bottom of one side of the oil tank, a liquid level meter, a thermocouple and a liquid level alarm meter are further arranged in the oil tank, and the oil tank is further externally connected with an air-cooled cooler.
Compared with the prior art, the invention has the beneficial effects that:
according to the rapid box-type shearing machine and the working method thereof, the traditional two shearing cylinders are replaced by the combination of the shearing main cylinder and the two shearing auxiliary cylinders, so that the rapid advancing and retreating of the shearing movable cutter seat can be realized, the action speed is improved, and the average shearing time is 25 seconds each time.
Drawings
Fig. 1 is a schematic view of a rapid box shear.
Fig. 2 is a side view of a flash box shear.
Fig. 3 is a cross-sectional view of the shear master cylinder at its height.
Fig. 4 is a schematic diagram of the hydraulic control system of the rapid box shear.
Fig. 5 is an enlarged view of the middle region of fig. 4.
Fig. 6 is a chart showing the power-on sequence of the hydraulic control system of the rapid box shear.
Wherein:
the device comprises a frame 101, a feed box 102, a material pressing cylinder 103, a first pressure relay 103.1, a material pressing cylinder front cavity travel switch 103.2, a material pressing cylinder rear cavity travel switch 103.3, a material pressing push head 104, a shearing main cylinder 105, a second pressure relay 105.1, a shearing auxiliary cylinder 106, a shearing auxiliary cylinder front cavity first travel switch 106.1, a shearing auxiliary cylinder front cavity second travel switch 106.2, a shearing auxiliary cylinder front cavity third travel switch 106.3, a shearing auxiliary cylinder rear cavity first travel switch 106.4, a shearing auxiliary cylinder rear cavity second travel switch 106.5, a shearing movable cutter seat 107, a shearing fixed cutter seat 108 and a discharging channel 109;
the rapid box shear hydraulic control system 200, an oil tank 201, an oil drain port 201.1, a liquid level meter 201.2, a thermocouple 201.3, a liquid level alarm meter 201.4, an air cooling cooler 201.5, a first branch oil passage 202, a first gate valve 202.1, a first oil inlet filter 202.2, a first high pressure oil pump 202.3, a first check valve 202.4, a second branch oil passage 203, a second gate valve 203.1, a second oil inlet filter 203.2, a second high pressure oil pump 203.3, a second check valve 203.4, an unloading valve 203.5, a pressure material control system 204, a first electrohydraulic reversing valve 204.1, a shear control system 205, a second electrohydraulic reversing valve 205.1, a first safety valve cartridge assembly 205.2, a second safety valve cartridge assembly 205.3, a first shuttle valve cartridge assembly 205.4, a second shuttle valve cartridge assembly 205.5, a pilot valve 205.6, a sequence valve 205.7, a manual gate valve 205.8, and a liquid charging valve 205.9.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to the drawings, the invention relates to a rapid box-type shearing machine, which comprises a frame 101, wherein a feed box 102 with a large upper part and a small lower part is arranged in the frame 101, the feed box 102 comprises a fixed baffle, the fixed baffle comprises a front side, a rear side and a left side wall plate, the right side of the middle part of the feed box 102 is provided with a left pressing cylinder 103, the output end of the left end of the pressing cylinder 103 is provided with a pressing pushing head 104, the right side of the bottom of the feed box 102 is provided with a left shearing main cylinder 105, the front and the rear of the shearing main cylinder 105 are respectively provided with a left shearing auxiliary cylinder 106, the output end of the shearing main cylinder 105 and the output end ends of the two shearing auxiliary cylinders 106 are jointly connected with a shearing movable cutter holder 107, the left upper end of the shearing movable cutter 107 is provided with a shearing movable cutter 108, the left side wall plate of the fixed cutter holder 108 is provided with a right lower corner of the shearing movable cutter 108, the lower edge of the shearing fixed cutter and the upper edge of the shearing movable cutter 108 are flush with the shearing movable cutter 108, and the left movable cutter holder 109 is provided with a left discharging channel 109 which is positioned in a left movable channel. The space to the right of the discharge channel 109 for the movement of the shear-fixing blade holder 108 is called the shear channel.
The volume ratio of the front and rear chambers of the shear master cylinder 105 is 1.961;
the volume ratio of the front cavity to the rear cavity of the shear auxiliary cylinder 106 is 1.641;
the volume ratio of the front cavity to the rear cavity of the material pressing cylinder 103 is 1.961;
the working method of the rapid box-type shearing machine is as follows:
firstly, materials are put into a material box 102, after the materials enter a shearing channel, a material pressing cylinder 103 acts, a material pressing pushing head 104 presses the materials on a wallboard at the left end of the material pressing cylinder, then two shearing auxiliary cylinders 106 act to move a shearing movable cutter seat 107 to be in contact with the materials in the shearing channel, after the contact pressure reaches a set value, a shearing main cylinder 105 acts to shear the materials in the shearing channel and push the materials out of a discharging channel 109, the shearing main cylinder 105 slowly returns to the shearing channel, the shearing movable cutter seat 107 returns to the shearing channel, then the shearing auxiliary cylinders 106 drive the shearing movable cutter seat 107 to return to the position, the material pressing cylinder 103 drives the material pressing pushing head 104 to return to the position, and the materials above the shearing movable cutter seat continuously fall down to the shearing channel, and the steps are repeated.
The rapid box-type shearing machine further comprises a rapid box-type shearing machine hydraulic control system 200, the rapid box-type shearing machine hydraulic control system 200 comprises an oil tank 201, an oil drain port 201.1 is arranged at the bottom of one side of the oil tank 201, a liquid level meter 201.2, a thermocouple 201.3 and a liquid level alarm meter 201.4 are further arranged in the oil tank 201, and the oil tank 201 is further externally connected with an air cooling cooler 201.5;
the oil tank 201 supplies two oil paths, the first oil path 202 is sequentially connected with a first electro-hydraulic reversing valve 204.1 of the material pressing control system 204 and the material pressing oil cylinder 103, and the second oil path 203 is connected with a shearing main oil cylinder 105 and two shearing auxiliary oil cylinders 106 of the shearing control system 205;
the first branch oil path 202 is provided with a first gate valve 202.1, a first oil inlet filter 202.2, a first high-pressure oil pump 202.3 and a first one-way valve 202.4 in sequence from the oil tank 201 to the material pressing control system 204, and the material pressing control system 204 comprises a first electrohydraulic reversing valve 204.1 and a material pressing oil cylinder 103; the first electro-hydraulic reversing valve 204.1 is provided with a second electromagnet YV2 and a third electromagnet YV3, the second electromagnet YV2 is powered to enable the front cavity of the material pressing cylinder 103 to enter oil, the material pressing cylinder 103 is retracted, the third electromagnet YV3 is powered to enable the rear cavity of the material pressing cylinder 103 to enter oil, and the material pressing cylinder 103 is advanced; the front cavity of the material pressing cylinder 103 is also connected with a first pressure relay 103.1, the set pressure of the first pressure relay 103.1 is 20MPA, and the front cavity and the rear cavity of the material pressing cylinder 103 are also respectively provided with a material pressing cylinder front cavity travel switch 103.2 and a material pressing cylinder rear cavity travel switch 103.3;
the second branch oil path 203 is sequentially provided with a second gate valve 203.1, a second oil inlet filter 203.2, a second high-pressure oil pump 203.3 and a second one-way valve 203.4 from the oil tank 201 to the shearing control system 205, an unloading valve 203.5 is externally connected on the second branch oil path 203 between the second high-pressure oil pump 203.3 and the second one-way valve 203.4, the unloading valve 203.5 is provided with a ninth electromagnet YV9, the shearing control system 205 is sequentially provided with a second electrohydraulic reversing valve 205.1 and a back cavity oil path and a front cavity oil path which are connected in parallel from front to back, the back cavity oil path is connected to the back cavity of the shearing main oil cylinder 105 and the back cavity of the two shearing auxiliary oil cylinders 106, the back cavity oil path is sequentially provided with a first safety valve cartridge assembly 205.2 and a first shuttle valve cartridge assembly 205.4, the front cavity oil path is sequentially provided with a second safety valve cartridge assembly 205.3 and a second shuttle valve assembly 205.5, the second electrohydraulic reversing valve 205.1 has a first electromagnet YV1, the second shuttle valve cartridge valve assembly 205.5 has a fourth electromagnet YV4, the first shuttle valve cartridge valve assembly 205.4 has a fifth electromagnet YV5, the first safety valve cartridge valve assembly 205.2 has a sixth electromagnet YV6, the second safety valve cartridge valve assembly 205.3 has a seventh electromagnet YV7, a branch of the front cavity oil path behind the second shuttle valve cartridge valve assembly 205.5 leading to the front cavity of the shear master cylinder 105 is provided with a pilot valve 205.6, the pilot valve 205.6 has an eighth electromagnet YV8, the eighth electromagnet YV8 is closed when the pilot valve 205.6 is powered, the high-out surface of the oil return pipe in the front cavity of the shear master cylinder 105 is used for sucking air, a branch of the rear cavity oil path behind the first shuttle valve cartridge valve assembly 205.4 leading to the rear cavity of the shear master cylinder 105 is provided with a sequence valve 205.7, the rear cavity of the shear master cylinder 105 is externally connected with a liquid filling pipe, the liquid filling pipeline is connected with the oil tank, and a manual gate valve 205.8 and a liquid filling valve 205.9 are sequentially arranged in the direction from the oil tank to the rear cavity of the shear master cylinder 105. The rear cavity of the shearing main oil cylinder 105 is also connected with a second pressure relay 105.1, the set pressure of the second pressure relay 105.1 is 22MPA, the front cavity of the shearing auxiliary oil cylinder 106 is provided with a first stroke switch 106.1 of the front cavity of the shearing auxiliary oil cylinder, a second stroke switch 106.2 of the front cavity of the shearing auxiliary oil cylinder and a third stroke switch 106.3 of the front cavity of the shearing auxiliary oil cylinder, and the rear cavity of the shearing auxiliary oil cylinder 106 is provided with a first stroke switch 106.4 of the rear cavity of the shearing auxiliary oil cylinder and a second stroke switch 106.5 of the rear cavity of the shearing auxiliary oil cylinder, which are sequentially arranged from front to back. The first electro-hydraulic reversing valve 204.1, the second electro-hydraulic reversing valve 205.1, the first safety valve cartridge valve assembly 205.2, the second safety valve cartridge valve assembly 205.3, the first shuttle valve cartridge valve assembly 205.4 and the second shuttle valve cartridge valve assembly 205.5 are integrated on the same integrated valve block, and two oil ways can supply oil to the integrated valve block at the same time or supply oil independently.
Referring to the power-on sequence table of the drawings, the working method of the hydraulic control system 200 of the rapid box-type shearing machine is as follows:
step one, feeding a material pressing oil cylinder
At this time, the first electromagnet YV1 and the third electromagnet YV3 are powered, the other electromagnets are not powered, the first high-pressure oil pump 202.3 and the second high-pressure oil pump 203.3 supply oil at the same time, and the rear cavity of the pressing oil cylinder 103 is filled with oil so that the pressing oil cylinder is pushed in;
step two, feeding the shearing auxiliary cylinder
At this time, the first electromagnet YV1, the fifth electromagnet YV5, and the sixth electromagnet YV6 are powered, the other electromagnets are not powered, the first high-pressure oil pump 202.3 and the second high-pressure oil pump 203.3 supply oil at the same time, the two shearing auxiliary cylinders 106 are rapidly pushed in, the rear cavity of the shearing main cylinder directly absorbs oil from the oil tank through the filling valve 205.9, the pilot valve is opened, the front cavity of the shearing main cylinder is exhausted, and when the pressure of the sequence valve 205.7 reaches 10MPA, the next step is entered;
in the process, the oil return speed of the front cavity of the shearing auxiliary oil cylinder 106 is 149L/min, and the oil inlet speed of the rear cavity of the shearing auxiliary oil cylinder 106 is 245L/min;
step three, slowly feeding the shearing main oil cylinder
When the pressure of the sequence valve 205.7 reaches 10MPA, the sequence valve 205.7 is opened, at the moment, the first electromagnet YV1, the fifth electromagnet YV5, the sixth electromagnet YV6 and the ninth electromagnet VY9 are powered on, the rest electromagnets are not powered on, the first high-pressure oil pump 202.3 is used for independently supplying oil, the rear cavity of the main shearing oil cylinder is used for feeding oil, and the main shearing oil cylinder is used for slowly ejecting out to shear materials;
step four, slowly withdrawing the shearing main oil cylinder
When the shearing of the materials is finished, the first electromagnet YV1, the fourth electromagnet YV4, the seventh electromagnet YV7, the eighth electromagnet VY8 and the ninth electromagnet VY9 are powered on, the rest electromagnets are not powered on, the first high-pressure oil pump 202.3 supplies oil independently, the front cavity of the shearing main oil cylinder is fed with oil, the shearing main oil cylinder is slowly retreated, and the shearing main oil cylinder retreats from the shearing fixed knife part to prevent the materials from being blocked;
step five, the shearing auxiliary cylinder is retracted
After the shearing main cylinder moves back to the shearing fixed knife, the eighth electromagnet VY8 is powered off, the ninth electromagnet VY9 is powered off and unloaded, at the moment, the first electromagnet YV1, the fourth electromagnet YV4 and the seventh electromagnet YV7 are powered on, the rest electromagnets are not powered on, the front cavity of the shearing auxiliary cylinder is filled with oil, and the shearing auxiliary cylinder moves back; simultaneously, a liquid filling valve is opened, oil is returned from a rear cavity of the main shearing oil cylinder, and a pilot valve is opened, and air is fed into a front cavity of the main shearing oil cylinder;
in the process, the oil inlet speed of the front cavity of the shearing auxiliary oil cylinder 106 is 245L/min, and the oil return speed of the rear cavity of the shearing auxiliary oil cylinder 106 is 402L/min;
step six, withdrawing the material pressing oil cylinder
Then the first electromagnet YV1 and the second electromagnet YV2 are powered on, the other electromagnets are not powered on, the first high-pressure oil pump 202.3 and the second high-pressure oil pump 203.3 supply oil at the same time, and the front cavity of the material pressing oil cylinder 103 is fed with oil so that the material pressing oil cylinder is retreated; the materials above the shearing channel continuously fall into the shearing channel;
repeating the steps from the first step to the sixth step to circularly perform the work of the rapid box type shearing machine.
The foregoing is merely a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the invention.
Claims (9)
1. The utility model provides a box cutter of rapid change, its characterized in that includes frame (101), frame (101) inside workbin (102) that is equipped with, workbin (102) include fixed baffle, fixed baffle includes front side, rear side and left wallboard, the middle part right side of workbin (102) is provided with swager cylinder (103) left, the output of swager cylinder (103) left end is provided with swager push head (104), the bottom right side of workbin (102) is provided with shear master cylinder (105) left, the place ahead and the rear of shear master cylinder (105) are provided with a shear auxiliary cylinder (106) left respectively, shear master cylinder (105) output and two shear auxiliary cylinder (106) output end connect a shear movable blade holder (107) jointly, shear master cylinder (105)'s hydro-cylinder inner diameter is greater than shear auxiliary cylinder (106) hydro-cylinder inner diameter, shear movable blade holder (107) left upper end is provided with shear movable blade holder (104), shear movable blade holder (108) are provided with shear fixed blade holder (108) right side on fixed baffle's the wallboard left side, shear movable blade holder (107) is provided with fixed blade holder (108).
2. The rapid box-type shearing machine according to claim 1, wherein the lower edge of the shearing fixed knife is flush with the upper edge of the shearing movable knife, a discharging channel (109) which is transversely penetrated leftwards is arranged below the shearing fixed knife holder (108), and the discharging channel (109) is positioned at the left side of the shearing movable knife holder (107).
3. A rapid box shear according to claim 1, characterized in that the working method is as follows:
firstly, materials are put into a feed box (102), after the materials enter a shearing channel, a material pressing oil cylinder (103) acts, a material pressing pushing head (104) presses the materials on a wallboard at the left end of the material pressing head, then two shearing auxiliary oil cylinders (106) act to move a shearing movable cutter holder (107) to be in contact with the materials in the shearing channel, after the contact pressure reaches a set value, a shearing main oil cylinder (105) acts to shear the materials in the shearing channel and push the materials out of a discharging channel (109), the shearing main oil cylinder (105) slowly returns, the shearing movable cutter holder (107) returns to the shearing channel, then the shearing auxiliary oil cylinders (106) drive the shearing movable cutter holder (107) to return, the material pressing oil cylinder (103) drives the material pressing pushing head (104) to return, the materials above continue to fall to the shearing channel, and the steps are repeated.
4. A rapid box shear according to claim 1, further comprising a rapid box shear hydraulic control system (200), the rapid box shear hydraulic control system (200) comprising a fuel tank (201),
the oil tank (201) supplies two oil paths, a first oil path (202) is sequentially connected with a first electrohydraulic reversing valve (204.1) of the material pressing control system (204) and the material pressing oil cylinder (103), and a second oil path (203) is connected with a shearing main oil cylinder (105) and two shearing auxiliary oil cylinders (106) of the shearing control system (205);
the first branch oil way (202) is sequentially provided with a first gate valve (202.1), a first oil inlet filter (202.2), a first high-pressure oil pump (202.3) and a first one-way valve (202.4) from an oil tank (201) to a material pressing control system (204), and the material pressing control system (204) comprises a first electrohydraulic reversing valve (204.1) and a material pressing oil cylinder (103); the first electrohydraulic reversing valve (204.1) has a second electromagnet and a third electromagnet;
the second branch oil way (203) is sequentially provided with a second gate valve (203.1), a second oil inlet filter (203.2), a second high-pressure oil pump (203.3) and a second one-way valve (203.4) from the oil tank (201) to the shearing control system (205), the second branch oil way (203) between the second high-pressure oil pump (203.3) and the second one-way valve (203.4) is externally connected with an unloading valve (203.5), the unloading valve (203.5) is provided with a ninth electromagnet, the shearing control system (205) is sequentially provided with a second electrohydraulic reversing valve (205.1) from front to back and a rear cavity oil way and a front cavity oil way connected to a rear cavity of the shearing main oil cylinder (105) and the two shearing auxiliary oil cylinders (106), the rear cavity oil way is sequentially provided with a first safety valve cartridge valve assembly (205.2) and a first shuttle valve assembly (205.4), the second shuttle valve assembly (205.3) is sequentially provided with a second shuttle valve assembly (205.5), the second shuttle valve assembly (205.3) is sequentially provided with a second electromagnet, a pilot valve (205.6) is arranged on a branch, which is positioned behind the second shuttle valve cartridge valve assembly (205.5), of the front cavity oil path and is communicated with the front cavity of the shearing main oil cylinder (105), the pilot valve (205.6) is provided with an eighth electromagnet, an oil return pipe in the front cavity of the shearing main oil cylinder (105) is higher than the liquid level, a sequence valve (205.7) is arranged on a branch, which is positioned behind the first shuttle valve cartridge valve assembly (205.4), of the rear cavity oil path and is communicated with the rear cavity of the shearing main oil cylinder (105), a liquid filling pipeline is externally connected with the rear cavity of the shearing main oil cylinder (105), and the liquid filling pipeline is sequentially provided with a manual gate valve (205.8) and a liquid filling valve (205.9) from the oil tank to the direction of the rear cavity of the shearing main oil cylinder (105).
5. The rapid box shear according to claim 4, wherein the hydraulic control system of the rapid box shear operates as follows:
step one, feeding a material pressing oil cylinder
At the moment, the first electromagnet and the third electromagnet are powered on, the other electromagnets are not powered on, the first high-pressure oil pump and the second high-pressure oil pump supply oil at the same time, and the rear cavity of the material pressing oil cylinder is filled with oil so that the material pressing oil cylinder is jacked in;
step two, feeding the shearing auxiliary cylinder
At the moment, the first electromagnet, the fifth electromagnet and the sixth electromagnet are powered, the other electromagnets are not powered, the first high-pressure oil pump and the second high-pressure oil pump are used for supplying oil at the same time, the two shearing auxiliary oil cylinders are rapidly jacked in, the rear cavity of the shearing main oil cylinder directly absorbs oil from the oil tank through the liquid filling valve, the pilot valve is opened, the front cavity of the shearing main oil cylinder is exhausted, and when the pressure of the sequence valve reaches 10MPA, the next step is entered;
step three, slowly feeding the shearing main oil cylinder
When the pressure of the sequence valve reaches 10MPA, the sequence valve is opened, at the moment, the first electromagnet, the fifth electromagnet, the sixth electromagnet and the ninth electromagnet are powered on, the other electromagnets are not powered on, the first high-pressure oil pump is used for independently supplying oil, the rear cavity of the main shearing oil cylinder is used for feeding oil, and the main shearing oil cylinder is used for slowly ejecting out to shear materials;
step four, slowly withdrawing the shearing main oil cylinder
When the shearing of the materials is finished, the first electromagnet, the fourth electromagnet, the seventh electromagnet, the eighth electromagnet and the ninth electromagnet are powered on, the other electromagnets are not powered on, the first high-pressure oil pump is used for independently supplying oil, the front cavity of the shearing main oil cylinder is used for feeding oil, the shearing main oil cylinder is slowly retracted, and the shearing main oil cylinder is retracted to the shearing fixed knife so as to prevent the materials from being blocked;
step five, the shearing auxiliary cylinder is retracted
After the shearing main oil cylinder moves back to the shearing fixed knife, the eighth electromagnet is powered off, the ninth electromagnet is powered off and unloaded, at the moment, the first electromagnet, the fourth electromagnet and the seventh electromagnet are powered on, the rest electromagnets are not powered on, the front cavity of the shearing auxiliary oil cylinder is filled with oil, and the shearing auxiliary oil cylinder moves back; simultaneously, a liquid filling valve is opened, oil is returned from a rear cavity of the main shearing oil cylinder, and a pilot valve is opened, and air is fed into a front cavity of the main shearing oil cylinder;
step six, withdrawing the material pressing oil cylinder
Then the first electromagnet and the second electromagnet are powered on, the other electromagnets are not powered on, the first high-pressure oil pump and the second high-pressure oil pump supply oil at the same time, and the front cavity of the material pressing oil cylinder is filled with oil so that the material pressing oil cylinder is retracted; the materials above the shearing channel continuously fall into the shearing channel;
repeating the steps from the first step to the sixth step to circularly perform the work of the rapid box type shearing machine.
6. The rapid box-type shearing machine according to claim 4, wherein the second electromagnet is powered to feed the front cavity of the pressing cylinder, the pressing cylinder is retracted, and the third electromagnet is powered to feed the rear cavity of the pressing cylinder, and the pressing cylinder is advanced; the front cavity of the material pressing cylinder is also connected with a first pressure relay, the set pressure of the first pressure relay is 20MPA, and the front cavity and the rear cavity of the material pressing cylinder are also respectively provided with a material pressing cylinder front cavity travel switch and a material pressing cylinder rear cavity travel switch.
7. The rapid box-type shearing machine according to claim 4, wherein the rear cavity of the shearing main oil cylinder is further connected with a second pressure relay, the front cavity of the shearing auxiliary oil cylinder is provided with a first travel switch of the front cavity of the shearing auxiliary oil cylinder, a second travel switch of the front cavity of the shearing auxiliary oil cylinder and a third travel switch of the front cavity of the shearing auxiliary oil cylinder, and the rear cavity of the shearing auxiliary oil cylinder is provided with a first travel switch of the rear cavity of the shearing auxiliary oil cylinder and a second travel switch of the rear cavity of the shearing auxiliary oil cylinder, which are sequentially arranged from front to back.
8. The rapid box shear of claim 4, wherein the first electro-hydraulic reversing valve, the second electro-hydraulic reversing valve, the first safety valve cartridge valve assembly, the second safety valve cartridge valve assembly, the first shuttle valve cartridge valve assembly and the second shuttle valve cartridge valve assembly are integrated on the same integrated valve block, and the two oil passages can supply oil to the integrated valve block simultaneously or separately.
9. The rapid box-type shearing machine according to claim 4, wherein an oil drain port is formed in the bottom of one side of the oil tank, a liquid level meter, a thermocouple and a liquid level alarm meter are further arranged in the oil tank, and an air-cooled cooler is further externally connected to the oil tank.
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| CN202111569278.7A CN114251318B (en) | 2021-12-21 | 2021-12-21 | Quick box-type shearing machine and working method thereof |
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| CN202111569278.7A CN114251318B (en) | 2021-12-21 | 2021-12-21 | Quick box-type shearing machine and working method thereof |
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| CN114251318B true CN114251318B (en) | 2023-12-19 |
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Denomination of invention: A Rapid Box Shear Machine and Its Working Method Granted publication date: 20231219 Pledgee: Ningbo Bank Co.,Ltd. Wuxi Branch Pledgor: JIANGSU GAODE HYDRAULIC MACHINERY Co.,Ltd. Registration number: Y2024980012467 |