CN110561124A - Metal bar stock blanking device and method - Google Patents
Metal bar stock blanking device and method Download PDFInfo
- Publication number
- CN110561124A CN110561124A CN201910799659.0A CN201910799659A CN110561124A CN 110561124 A CN110561124 A CN 110561124A CN 201910799659 A CN201910799659 A CN 201910799659A CN 110561124 A CN110561124 A CN 110561124A
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- metal bar
- blanking
- jaw chuck
- fixedly connected
- fixed table
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- 239000002184 metal Substances 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003801 milling Methods 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims description 42
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/20—Applications of drives for reducing noise or wear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/34—Milling grooves of other forms, e.g. circumferential
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1084—Arrangements for cooling or lubricating tools or work specially adapted for being fitted to different kinds of machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/05—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways
- B23Q7/055—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of roller-ways some of the rollers being driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Milling Processes (AREA)
Abstract
the invention discloses a metal bar stock blanking device, which comprises a feeding system; a groove milling system is arranged on one side of the feeding system; the milling groove system is respectively connected with the clamping system and the cooling system; and a blanking system is arranged on one side of the milling groove system. The blanking method is implemented according to the following steps: step 1, a feeding system sends a metal bar to a clamping system through a through hole a and a through hole b; the three-jaw chuck a and the three-jaw chuck b clamp and fix the metal bar; step 2, milling grooves in the metal bar; step 3, adjusting the position of a spray head and the water flow speed, starting a water pump, and cooling the metal bar; step 4, loosening the three-jaw chuck a and the three-jaw chuck b, and moving the metal bar to a blanking system through a feeding system; and 5, starting the clamping cylinder a and the clamping cylinder b to clamp and fix the metal bar, starting the impact cylinder, and further pushing the compression block to strike the metal bar to break the metal bar.
Description
Technical Field
The invention belongs to the technical field of bar blanking equipment, and particularly relates to a metal bar blanking device and a metal bar blanking method.
Background
metal bar stock is widely used in many mechanical parts, such as various cold and hot extrusion parts and die forgings, metal chains, bearings, various shaft parts and the like, but the blanking process of the bar stock is almost adopted in the processing of the parts related to the short shaft. At present, the traditional blanking method combining high-speed band saw cutting and punching machine shearing blanking is generally adopted for blanking of metal bar materials in industrial production, and the traditional blanking method has the problems of low material utilization rate, low production efficiency, high energy consumption, poor section quality and the like in different degrees.
the traditional blanking method comprises sawing blanking and shearing blanking, and although the two blanking methods can obtain a flat section to a certain degree, the two blanking methods have the defects of low production efficiency, low material utilization rate and the like. Therefore, many researchers at home and abroad adopt shearing blanking for metal bars, but the blank end under the shearing blanking method has larger deformation, low dimensional precision, serious material waste, low production efficiency and increased production cost.
disclosure of Invention
A first object of the present invention is to provide a metal bar stock blanking apparatus that is capable of achieving good section quality.
the second purpose of the invention is to provide a blanking method which has high production efficiency and high material utilization.
The first technical scheme adopted by the invention is that the metal bar stock blanking device comprises a feeding system; a groove milling system is arranged on one side of the feeding system; the milling groove system is respectively connected with the clamping system and the cooling system; and a blanking system is arranged on one side of the milling groove system.
The invention is also characterized in that:
The feeding system comprises a plurality of lower supporting rollers which are arranged in parallel; a plurality of upper supporting rollers arranged in parallel are arranged above the lower supporting roller; the number of the upper carrier rollers and the number of the lower carrier rollers are consistent and the upper carrier rollers and the lower carrier rollers correspond to each other one by one; also comprises a motor a; an output shaft of the motor a is fixedly connected with one end of one lower carrier roller; both ends of the upper carrier roller and the lower carrier roller are connected with the feeding rack through bearings.
The milling groove system comprises a motor b fixed on the lower surface of the milling cutter frame; an output shaft of the motor b is fixedly connected with a synchronous belt pulley a; the synchronous belt pulley a is in transmission connection with the synchronous belt pulley b through a synchronous belt a; the synchronous belt pulley b is fixedly connected with one end of the milling cutter shaft; a plurality of milling cutters are uniformly arranged on the milling cutter shaft and are perpendicular to the milling cutter shaft; two ends of the milling cutter shaft are connected with the milling cutter frame through bearings; the device also comprises a servo motor; an output shaft of the servo motor is fixedly connected with one end of the ball screw; a lead screw nut of the ball screw is fixedly connected with the bottom of the milling cutter frame; the bottom surface of the milling cutter frame is fixedly connected with a sliding block a; the slide block is arranged on the slide rail.
the number of the slide rails is two, and the slide rails are parallel to each other; two sides of the milling cutter frame are respectively and correspondingly positioned on the two slide rails; the motor b is an asynchronous motor.
The clamping system comprises a hollow fixed table a arranged on one side of the feeding system; a hollow fixed table b is arranged on one side of the fixed table a; the fixed table a and the fixed table b are oppositely arranged; the fixed table a is connected with a three-jaw chuck a at one side through a rotating system; the fixed table b is connected with a three-jaw chuck b at one side through a rotating system; through holes a are formed in the center of the three-jaw chuck a and in positions corresponding to the two sides of the fixed table a; through holes b are formed in the centers of the three-jaw chucks b and in positions corresponding to the two sides of the fixed table b; the three-jaw chuck a and the three-jaw chuck b are both connected with a rotating system.
The rotating system comprises a support body; the supporting body is provided with a through hole c; one end of the through hole c is connected with one end of the connecting cylinder through a bearing; one end of the connecting cylinder is connected with the synchronous belt wheel c; the synchronous belt wheel c is in transmission connection with the synchronous belt wheel d through a synchronous belt b; the synchronous belt wheel d is fixedly connected with an output shaft of the motor c; the other end of the connecting cylinder is fixedly connected with the revolving body; the revolving body is fixedly connected with the three-jaw chuck; the bar stock can pass through the through hole a, the through hole b and the connecting cylinder; the supporting body is vertically fixed on the inner bottom surface of the fixed table.
The cooling system comprises pipelines arranged above the fixed platforms a and b; one end of the pipeline is connected with a water pump which is arranged at a water source and is contacted with water; the other end of the pipeline extends into the hollow fixed platform a; the bottom of the fixed platform a is communicated with a drainage channel; the drainage channel is communicated with a drainage pipe; a plurality of spray heads are uniformly arranged on the pipeline; the number of the spray heads is consistent with that of the milling cutters, and the spray heads and the milling cutters are in one-to-one correspondence; the spray nozzle can spray water to the bar stock clamped by the three-jaw chucks a and b.
The blanking system comprises a base arranged on one side of the fixed platform b; a V-shaped clamping seat a and a V-shaped clamping seat b are oppositely fixed on two sides of the upper surface of the base; a V-shaped compression block a is arranged on the upper side of the V-shaped clamping seat a; a V-shaped compression block b is arranged on the upper side of the V-shaped clamping seat b; the V-shaped compression block a is fixedly connected with the piston extending end of the clamping cylinder a; the V-shaped compression block b is fixedly connected with the piston extending end of the clamping cylinder b; the clamping cylinder a and the clamping cylinder b are respectively fixed on two sides of the impact cylinder; the fixed end of the impact cylinder is fixedly connected with the bracket; the extending end of the piston of the impact cylinder is fixedly connected with a molding block; the clamping cylinder a, the clamping cylinder b and the impact cylinder are all vertically arranged.
The first technical scheme adopted by the invention is that the blanking method of the blanking device is implemented according to the following steps:
step 1, a feeding system sends a metal bar to a clamping system through a through hole a and a through hole b; the three-jaw chuck a and the three-jaw chuck b clamp and fix the metal bar;
step 2, feeding a milling cutter through a servo motor, and milling grooves in the metal bar;
Step 3, adjusting the position of a spray head and the water flow speed, starting a water pump, and cooling the metal bar;
step 4, loosening the three-jaw chuck a and the three-jaw chuck b, and moving the metal bar to a blanking system through a feeding system;
And 5, starting the clamping cylinder a and the clamping cylinder b to clamp and fix the metal bar, starting the impact cylinder, and further pushing the compression block to strike the metal bar to break the metal bar.
The invention is also characterized in that:
step 2, milling a circle of groove or a circle of groove with a V-shaped longitudinal section on the metal bar;
in the step 3, the water flow speed is 0.5 min/L-1 min/L;
And 3, cooling the metal bar to 0-15 ℃.
the invention has the beneficial effects that:
The metal bar stock blanking device comprises the feeding system, the groove milling system, the cooling system and the blanking system, and can perform efficient precise blanking on bar stocks made of different metal materials and metal bar stocks with different sizes, so that the blanking efficiency can be improved, the material loss can be reduced, and better section quality can be obtained.
Drawings
FIG. 1 is a schematic structural diagram of a metal bar stock blanking device of the invention;
FIG. 2 is a schematic structural diagram of a rotating system in the metal bar blanking device of the invention;
FIG. 3 is a schematic structural diagram of a rotating system in the metal bar blanking device of the invention.
In the figure, 1, a feeding system, 2, a milling groove system, 3, a cooling system, 4, a blanking system, 5, a lower carrier roller, 6, an upper carrier roller, 7, a motor a, 8, a feeding rack, 9, a motor b, 10, a synchronous pulley a, 11, a synchronous belt, 12, a synchronous pulley b, 13, a milling cutter shaft, 14, a milling cutter, 15, a milling cutter rack, 16, a servo motor, 17, a ball screw, 18, a screw nut, 19, a sliding block, 20, a sliding rail, 21, a clamping system, 22, a fixed table a, 23, a three-jaw chuck a, 24, a through hole a, 25, a pipeline, 26, a spray head, 27, a fixed table b, 28, 29, a through hole b, 30, a drainage channel, 31, a drainage pipe, 32, a base, 33, a V-shaped clamping seat a, 34, a V-shaped clamping seat b, 35, a V-shaped clamping block a, 36, V-shaped clamping block b, 37, clamping cylinder a, 38, a clamping cylinder b, 39, an impact cylinder, 40. the three-jaw chuck comprises a support, 41, a profiling block, 42, a rotating system, 43, a support body, 44, synchronous pulleys c and 45, synchronous pulleys d and 46, synchronous belts b and 47, motors c and 48, a rotating body, 49, a through hole c, 50, a connecting cylinder and 51, and a three-jaw chuck b.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the metal bar stock blanking device of the present invention comprises a feeding system 1; a groove milling system 2 is arranged on one side of the feeding system 1; the milling groove system 2 is respectively connected with the clamping system 21 and the cooling system 3; and a blanking system 4 is arranged on one side of the milling groove system 2.
The feeding system 1 comprises a plurality of lower supporting rollers 5 which are arranged in parallel; a plurality of upper supporting rollers 6 arranged in parallel are arranged above the lower supporting roller 5; the number of the upper carrier rollers 6 is consistent with that of the lower carrier rollers 5, and the upper carrier rollers and the lower carrier rollers correspond to each other one by one; also includes motor a 7; an output shaft of the motor a7 is fixedly connected with one end of one lower carrier roller 5; both ends of the upper carrier roller 6 and the lower carrier roller 5 are connected with a feeding rack 8 through bearings.
the milling groove system 2 comprises a motor b9 fixed on the lower surface of the milling cutter frame 15; an output shaft of the motor b9 is fixedly connected with a synchronous pulley a 10; the synchronous pulley a10 is in transmission connection with a synchronous pulley b12 through a synchronous belt a 11; one end of the milling cutter shaft 13 is fixedly connected with a synchronous belt wheel b 12; a plurality of milling cutters 14 are uniformly arranged on the milling cutter shaft 13 and are perpendicular to the milling cutter shaft; both ends of the milling cutter shaft 13 are connected with the milling cutter frame 15 through bearings; also includes a servo motor 16; an output shaft of the servo motor 16 is fixedly connected with one end of a ball screw 17; a lead screw nut 18 of the ball screw 17 is fixedly connected with the bottom of the milling cutter frame 15; the bottom surface of the milling cutter frame 15 is fixedly connected with a slide block a 19; the slide block 19 is mounted on a slide rail 20. Two slide rails 20 are arranged and are parallel to each other; two sides of the milling cutter frame 15 are respectively and correspondingly positioned on the two slide rails 20. Motor b9 is an asynchronous motor.
The clamping system 21 comprises a hollow fixed table a22 arranged at one side of the feeding system 1; a hollow fixed table b27 is arranged at one side of the fixed table a 22; the fixed table a22 and the fixed table b27 are oppositely arranged; the fixed table a22 is connected with a three-jaw chuck a23 at one side thereof by a rotation system 42; the fixed table b27 is connected with a three-jaw chuck b51 at one side thereof by a rotation system 42; through holes a24 are formed in the center of the three-jaw chuck a23 and the positions corresponding to the two sides of the fixed table a 22; through holes b29 are formed in the center of the three-jaw chuck b51 and in positions corresponding to the two sides of the fixed table b 27; a rotation system 42 is connected to each of the three-jaw chuck a23 and the three-jaw chuck b 51.
As shown in fig. 2 and 3, the rotating system 42 includes a support body 43; the supporting body 43 is provided with a through hole c 49; one end of the through hole c49 is connected with one end of the connecting cylinder 50 through a bearing; one end of the connecting cylinder 50 is connected with a synchronous pulley c 44; the synchronous pulley c44 is in transmission connection with the synchronous pulley d45 through a synchronous belt b 46; the synchronous pulley d45 is fixedly connected with the output shaft of the motor c 47; the other end of the connecting cylinder 50 is fixedly connected with the revolving body 48; the revolving body 48 is fixedly connected with the three-jaw chuck; the bar stock can pass through the through hole a24, the through hole b29 and the connecting cylinder 50; the supporting body 43 is vertically fixed on the inner bottom surface of the fixed table.
The cooling system 3 includes a duct 25 disposed above the fixed stages a22 and b 27; one end of the pipeline 25 is connected with a water pump 28, and the water pump 28 is arranged at a water source and is contacted with water; the other end of the pipeline 25 extends into a hollow fixed platform a 22; the bottom of the fixed platform a22 is communicated with the drainage channel 30; the drain passage 30 communicates with a drain pipe 31; a plurality of spray heads 26 are uniformly arranged on the pipeline 25; the number of the spray heads 26 is the same as that of the milling cutters 14, and the spray heads correspond to the milling cutters one to one; the spray head 26 can spray water to the billet held by the three-jaw chucks a23 and b 51.
the blanking system 4 comprises a base 32 arranged on one side of a fixed station b 27; a V-shaped clamping seat a33 and a V-shaped clamping seat b34 are oppositely fixed on two sides of the upper surface of the base 32; a V-shaped pressing block a35 is arranged on the upper side of the V-shaped clamping seat a 33; a V-shaped pressing block b36 is arranged on the upper side of the V-shaped clamping seat b 34; the V-shaped profiling block a35 is fixedly connected with the piston extension end of the clamping cylinder a 37; the V-shaped profiling block b36 is fixedly connected with the piston extending end of the clamping cylinder b 38; the clamping cylinder a37 and the clamping cylinder b38 are respectively fixed at two sides of the impact cylinder 39; the fixed end of the impact cylinder 39 is fixedly connected with the bracket 40; the piston extension end of the impact cylinder 39 is fixedly connected with a profiling block 41; the clamping cylinder a37, the clamping cylinder b38 and the impact cylinder 39 are all vertically arranged.
The blanking method of the blanking device is implemented according to the following steps:
Step 1, a feeding system 1 sends a metal bar stock to a clamping system 21 through a through hole a24 and a through hole b 29; the three-jaw chuck a23 and the three-jaw chuck b51 clamp and fix the metal bar;
Step 2, feeding a milling cutter 14 through a servo motor 16 to mill grooves on the metal bar; wherein, a circle of groove or a circle of groove with V-shaped longitudinal section is milled on the metal bar;
Step 3, adjusting the position of the spray head 26 and the water flow speed, starting the water pump 28, and cooling the metal bar; wherein the water flow speed is 0.5 min/L-1 min/L; cooling the metal bar to 0-15 ℃;
Step 4, loosening the three-jaw chuck a23 and the three-jaw chuck b51, and moving the metal bar to a blanking system 4 through the feeding system 1;
and 5, starting the clamping cylinder a37 and the clamping cylinder b38 to clamp and fix the metal bar, starting the impact cylinder 39, and further pushing the compression block 41 to strike the metal bar to break the metal bar.
The working process (principle) of the metal bar blanking device is as follows: when the feeding device is used, an operator firstly puts a metal bar into the feeding system 4, and drives the lower carrier roller 5 to rotate through the motor a7, so that the bar is fed between the upper carrier roller 5 and the lower carrier roller 6; in the groove milling system 2, a synchronous pulley a10 is driven by the operation of a motor b9 fixed below the milling cutter frame 15, and the synchronous pulley a10 is in transmission connection with a synchronous pulley b12 so that the milling cutter shaft 13 rotates, thereby milling grooves in the metal bar; the milling cutter frame 15 performs feed motion through the servo motor 16, the ball screw 17 and the slide rail 20, a metal bar is clamped through a three-jaw chuck a23 and a three-jaw chuck b51 in the clamping system 21, the three-jaw chuck a23 and the three-jaw chuck b51 drive the synchronous pulley d45 to rotate through the motor c47 of the rotating system 42, and the synchronous pulley d45 drives the synchronous pulley c44 to rotate, so that the revolving body 48 is driven to rotate; when the groove milling system 2 operates, the cooling system 3 sprays water to the milled groove openings through the spray heads 26, so that the groove milling efficiency is improved; when the blanking system 4 performs blanking, a clamping cylinder a37 and a V-shaped pressing block a35, a V-shaped pressing block b36 and a clamping cylinder b38, a V-shaped clamping seat a33 on a base and a V-shaped clamping seat b34 clamp a metal bar, and the blanking is performed on the pressing block 41 connected with the impact cylinder 39, namely, one working cycle.
The metal bar blanking device has the advantages that: the metal bar stock blanking device comprises the feeding system, the groove milling system, the cooling system and the blanking system, and can perform efficient precise blanking on bar stocks made of different metal materials and metal bar stocks with different sizes, so that the blanking efficiency can be improved, the material loss can be reduced, and better section quality can be obtained.
The blanking method of the blanking device has the advantages that: according to the blanking method, the reasonably designed metal bar blanking device is adopted, and comprises the feeding system, the groove milling system and the blanking system, so that efficient and precise blanking can be performed on various metal bars and metal bars with different sizes, the blanking time of the metal bars is shortened, the blanking efficiency is improved, and better section quality is obtained.
Claims (10)
1. The utility model provides a metal bar unloader which characterized in that: comprises a feeding system (1); a groove milling system (2) is arranged on one side of the feeding system (1); the groove milling system (2) is respectively connected with the clamping system (21) and the cooling system (3); a blanking system (4) is arranged on one side of the milling groove system (2).
2. a metal bar stock blanking unit as set forth in claim 1, wherein: the feeding system (1) comprises a plurality of lower carrier rollers (5) which are arranged in parallel; a plurality of upper supporting rollers (6) arranged in parallel are arranged above the lower supporting roller (5); the number of the upper carrier rollers (6) is consistent with that of the lower carrier rollers (5), and the upper carrier rollers and the lower carrier rollers correspond to each other one by one; further comprising a motor a (7); an output shaft of the motor a (7) is fixedly connected with one end of one lower carrier roller (5); both ends of the upper carrier roller (6) and the lower carrier roller (5) are connected with a feeding rack (8) through bearings.
3. A metal bar stock blanking unit as set forth in claim 2, wherein: the groove milling system (2) comprises a motor b (9) fixed on the lower surface of the milling cutter frame (15); an output shaft of the motor b (9) is fixedly connected with a synchronous belt pulley a (10); the synchronous pulley a (10) is in transmission connection with the synchronous pulley b (12) through a synchronous belt a (11); one end of a milling cutter shaft (13) is fixedly connected with the synchronous belt wheel b (12); a plurality of milling cutters (14) are uniformly arranged on the milling cutter shaft (13) and are vertical to the milling cutter shaft; both ends of the milling cutter shaft (13) are connected with a milling cutter frame (15) through bearings; also comprises a servo motor (16); an output shaft of the servo motor (16) is fixedly connected with one end of a ball screw (17); a screw nut (18) of the ball screw (17) is fixedly connected with the bottom of the milling cutter frame (15); the bottom surface of the milling cutter frame (15) is fixedly connected with a sliding block a (19); the slide block (19) is arranged on the slide rail (20).
4. A metal bar stock blanking unit as set forth in claim 3, wherein: the number of the slide rails (20) is two, and the slide rails are parallel to each other; two sides of the milling cutter frame (15) are respectively and correspondingly positioned on the two slide rails (20); the motor b (9) is an asynchronous motor.
5. a metal bar stock blanking unit as defined in claim 4, wherein: the clamping system (21) comprises a hollow fixed table a (22) arranged on one side of the feeding system (1); a hollow fixed table b (27) is arranged at one side of the fixed table a (22); the fixed table a (22) and the fixed table b (27) are arranged oppositely; the fixed table a (22) is connected with a three-jaw chuck a (23) on one side through a rotating system (42); the fixed table b (27) is connected with a three-jaw chuck b (51) at one side through a rotating system (42); through holes a (24) are formed in the positions, corresponding to the two sides of the fixed table a (22), of the center of the three-jaw chuck a (23); through holes b (29) are formed in the centers of the three-jaw chucks b (51) and the positions corresponding to the two sides of the fixed table b (27); the three-jaw chuck a (23) and the three-jaw chuck b (51) are both connected with a rotating system (42).
6. A metal bar stock blanking unit as defined in claim 5, wherein: the rotating system (42) comprises a supporting body (43); the support body (43) is provided with a through hole c (49); one end of the through hole c (49) is connected with one end of the connecting cylinder (50) through a bearing; one end of the connecting cylinder (50) is connected with the synchronous pulley c (44); the synchronous pulley c (44) is in transmission connection with the synchronous pulley d (45) through a synchronous belt b (46); the synchronous belt wheel d (45) is fixedly connected with an output shaft of the motor c (47); the other end of the connecting cylinder (50) is fixedly connected with the revolving body (48); the revolving body (48) is fixedly connected with the three-jaw chuck; the bar stock can pass through the through hole a (24), the through hole b (29) and the connecting cylinder (50); the supporting body (43) is vertically fixed on the inner bottom surface of the fixed table.
7. A metal bar stock blanking unit as defined in claim 6, wherein: the cooling system (3) comprises a pipeline (25) arranged above the fixed table a (22) and the fixed table b (27); one end of the pipeline (25) is connected with a water pump (28), and the water pump (28) is arranged in a water source and is contacted with water; the other end of the pipeline (25) extends into the hollow fixed table a (22); the bottom of the fixed table a (22) is communicated with a drainage channel (30); the drainage channel (30) is communicated with a drainage pipe (31); a plurality of spray heads (26) are uniformly arranged on the pipeline (25); the number of the spray heads (26) is consistent with that of the milling cutters (14), and the spray heads and the milling cutters correspond one to one; the spray head (26) can spray water to the bar clamped by the three-jaw chuck a (23) and the three-jaw chuck b (51).
8. A metal bar blanking unit according to claim 7, wherein said blanking system (4) comprises a base (32) arranged on one side of a fixed station b (27); a V-shaped clamping seat a (33) and a V-shaped clamping seat b (34) are oppositely fixed on two sides of the upper surface of the base (32); a V-shaped profiling block a (35) is arranged on the upper side of the V-shaped clamping seat a (33); a V-shaped profiling block b (36) is arranged on the upper side of the V-shaped clamping seat b (34); the V-shaped profiling block a (35) is fixedly connected with the piston extending end of the clamping cylinder a (37); the V-shaped profiling block b (36) is fixedly connected with the piston extending end of the clamping cylinder b (38); the clamping cylinder a (37) and the clamping cylinder b (38) are respectively fixed on two sides of the impact cylinder (39); the fixed end of the impact cylinder (39) is fixedly connected with the bracket (40); the extending end of the piston of the impact cylinder (39) is fixedly connected with a profiling block (41); the clamping cylinder a (37), the clamping cylinder b (38) and the impact cylinder (39) are all vertically arranged.
9. the blanking method of the blanking device as claimed in claim 8, which is implemented by the following steps:
Step 1, a feeding system (1) sends a metal bar to a clamping system (21) through a through hole a (24) and a through hole b (29); the three-jaw chuck a (23) and the three-jaw chuck b (51) clamp and fix the metal bar;
Step 2, feeding a milling cutter (14) through a servo motor (16) to mill grooves in the metal bar;
step 3, adjusting the position of the spray head (26) and the water flow speed, starting a water pump (28) and cooling the metal bar;
Step 4, loosening the three-jaw chuck a (23) and the three-jaw chuck b (51), and moving the metal bar to a blanking system (4) through the feeding system (1);
and 5, starting the clamping cylinder a (37) and the clamping cylinder b (38) to clamp and fix the metal bar, starting the impact cylinder (39), and further pushing the compression block (41) to strike the metal bar to break the metal bar.
10. The blanking method of the blanking device as claimed in claim 9, wherein in the step 2, a circle of groove or a circle of groove with a V-shaped longitudinal section is milled on the metal bar;
In the step 3, the water flow speed is 0.5 min/L-1 min/L;
in the step 3, the metal bar is cooled to 0-15 ℃.
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| CN201910799659.0A CN110561124A (en) | 2019-08-28 | 2019-08-28 | Metal bar stock blanking device and method |
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