CN116786667A - Machine tool for machining plate-shaped workpiece and application method thereof - Google Patents
Machine tool for machining plate-shaped workpiece and application method thereof Download PDFInfo
- Publication number
- CN116786667A CN116786667A CN202311095504.1A CN202311095504A CN116786667A CN 116786667 A CN116786667 A CN 116786667A CN 202311095504 A CN202311095504 A CN 202311095504A CN 116786667 A CN116786667 A CN 116786667A
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- machining
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- 238000003754 machining Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 94
- 238000004080 punching Methods 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 11
- 238000001816 cooling Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses a machine tool for machining a plate-shaped workpiece and a using method thereof, and belongs to the field of machine tool machining. A machine tool for machining a plate-like workpiece, comprising: machine tool body still includes: the support frame is fixed on the machine tool body; the hydraulic cylinder is fixed at the top end of the supporting frame; the stamping plate is fixed at the output end of the hydraulic cylinder; the upper die is fixed on the stamping plate; the safety groove is formed in the machine tool body; the sealing rod slides on the lower side of the safety groove; the lower die is fixed on the sealing rod; the limiting grooves are symmetrically formed in the lower die; the clamping block slides on the lower die, and one end of the clamping block slides in the limiting groove; the invention is convenient for positioning the plate-shaped workpiece in the stamping process, effectively prevents the workpiece from misplacement, further effectively improves the processing efficiency of the plate-shaped workpiece, and simultaneously effectively prevents the lower die from being high Wen Shousun.
Description
Technical Field
The invention relates to the technical field of machine tool machining, in particular to a machine tool for machining a plate-shaped workpiece and a using method thereof.
Background
Machine tools are machines for manufacturing machines, also called machine tools or machine tools, and are conventionally referred to as machine tools, and are generally classified into metal cutting machines, forging machines, woodworking machines, and the like, and many methods for machining mechanical parts in modern machine manufacturing are employed: besides cutting processing, there are casting, forging, welding, stamping, extrusion and the like, and machine tools play a great role in modern construction of national economy, and particularly when shaping a plate-shaped workpiece, the plate-shaped workpiece is processed by adopting a stamping machine tool.
However, the existing workpiece is directly placed above the lower die for stamping, the workpiece is directly limited by a fixed frame, and the workpiece is inconvenient to take out after being machined, so that the machining efficiency of the plate-shaped workpiece is possibly affected.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and to provide a machine tool for machining plate-like workpieces and a method for use thereof which overcomes or at least partially solves the above-mentioned problems.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a machine tool for machining a plate-like workpiece, comprising: machine tool body still includes: the support frame is fixed on the machine tool body; the hydraulic cylinder is fixed at the top end of the supporting frame; the stamping plate is fixed at the output end of the hydraulic cylinder; the upper die is fixed on the stamping plate; the safety groove is formed in the machine tool body; the sealing rod slides on the lower side of the safety groove; the lower die is fixed on the sealing rod; the limiting grooves are symmetrically formed in the lower die; the clamping block slides on the lower die, and one end of the clamping block slides in the limiting groove; the first spring is fixed between the limiting groove and the clamping block; the placement groove is arranged in the safety groove and matched with the sealing rod; and a buffer assembly for buffering the sealing rod.
In order to be convenient for cushion the sealing rod, preferably, the buffering subassembly is including seting up the first smooth chamber in the lathe body, first smooth intracavity fixedly connected with second spring, the lower extreme of sealing rod seals and slides in first smooth intracavity, just the one end and the second spring fixed connection of sealing rod in first smooth intracavity.
In order to facilitate the sliding of the driving clamp block, preferably, the safety groove is arranged in a trapezoid shape, and one end of the clamp block is matched with the inclined edge of the trapezoid safety groove.
In order to be convenient for cool off platy work piece, preferably, be provided with the smooth chamber of second in the lathe body, wherein, sealing lever and the coaxial setting in smooth chamber of second, fixedly connected with on the sealing lever with the sealing plate that the smooth chamber of second matches, be provided with the hollow tube in the sealing lever, be provided with the first connecting pipe with the hollow tube intercommunication on the sealing lever, just first connecting pipe is linked together with smooth chamber of second, set up the second connecting pipe with the safety slot intercommunication on the sealing lever, just the second connecting pipe is linked together with the hollow tube.
In order to facilitate the injection of the cooling oil into the safety groove, preferably, third connecting pipes are symmetrically arranged on the sealing rod, the third connecting pipes are matched with the mounting groove, and the third connecting pipes are communicated with the hollow pipe.
In order to facilitate the backflow of the cooling oil, preferably, a groove is formed in the safety groove, a backflow pipe is arranged between the groove and the placement groove, and an annular groove is formed in the bottom of the placement groove.
Preferably, an inclined surface is arranged between the groove and the mounting groove.
Preferably, the machine tool body is internally provided with an oil filling pipe communicated with the top of the second sliding cavity, and the oil filling pipe is connected with a sealing cover in a threaded manner.
In order to be convenient for control sealing rod, preferably, symmetrical fixedly connected with sleeve on the lathe body, sealed slip has the slide bar in the sleeve, fixedly connected with roof between slide bar top and the punching press board, fixedly connected with connecting jaw on the slide bar, be provided with intake pipe and seal groove in the lathe body, the seal groove is linked together with the intake pipe, wherein, the one end of intake pipe is linked together with the bottom of first smooth chamber, fixedly connected with and the sealing block of seal groove matching on the connecting jaw, be provided with elbow pipe and communicating pipe on the sealing block, telescopic upside is provided with the gas pocket.
A method of using a machine tool for machining a plate-like workpiece, the machine tool for machining a plate-like workpiece comprising the steps of:
step one, placing a plate-shaped workpiece on a lower die, and enabling the plate-shaped workpiece to be positioned between two clamping blocks;
step two, starting a hydraulic cylinder to drive a stamping plate to move downwards, and driving an upper die to move downwards by the stamping plate;
step three, the upper die extrudes the lower die to slide downwards, and at the moment, the two clamping blocks clamp and position the plate-shaped workpiece;
and fourthly, after the machining is finished, the plate-shaped workpiece is rebounded to an initial position through the buffer assembly, and the plate-shaped workpiece is taken out.
Compared with the prior art, the invention provides a machine tool for processing a plate-shaped workpiece, which has the following beneficial effects:
1. this a lathe for processing of platy work piece drives stamping plate and last mould downwardly moving through the pneumatic cylinder, goes up the mould earlier with platy work piece contact, then extrudees the bed die downwards for the bed die is laminated with safe tank bottom portion completely, at the in-process that the bed die descends, trapezoidal safe tank is laminated mutually with the clamp splice, and to the clamp splice extrusion, the clamp splice finishes the location to platy work piece, go up the mould and continue to push down to punch to platy work piece this moment, thereby be convenient for fix a position to platy work piece in the punching process, prevent the work piece dislocation effectively, and then improved the efficiency to platy work piece processing effectively.
2. This a lathe for processing of platy work piece drives stamping plate and last mould through the pneumatic cylinder shrink upwards and upwards moves, at this moment, drives the sealing rod upwards to move under the effect of second spring, and is ejecting with the lower mould, and simultaneously, first spring resets the clamp splice to be convenient for take out platy work piece after the stamping is finished, and then improved the efficiency to platy work piece processing effectively.
3. This a lathe for processing of platy work piece upwards slides through the sealing rod and drives the closing plate and upwards slides in the second smooth intracavity, and at this moment, the cooling oil in the second smooth intracavity loops through first connecting pipe, hollow tube and second connecting pipe blowout, cools down bed die and safety groove just after the punching press to prevent bed die height Wen Shousun effectively.
The device has the advantages that the device is convenient to position the plate-shaped workpiece in the stamping process, the workpiece dislocation is effectively prevented, the processing efficiency of the plate-shaped workpiece is further effectively improved, and the height of the lower die Wen Shousun is effectively prevented.
Drawings
FIG. 1 is a schematic cross-sectional view of a machine tool for machining a plate-like workpiece according to the present invention;
FIG. 2 is an enlarged schematic view of the machine tool for machining a plate-like workpiece of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the machine tool for machining a plate-like workpiece of FIG. 1, according to the present invention;
FIG. 4 is a schematic partial cross-sectional view of a machine tool for machining a plate-like workpiece according to the present invention;
FIG. 5 is an enlarged schematic view of the machine tool for machining a plate-like workpiece of FIG. 4 at C;
fig. 6 is a front view of a machine tool for machining a plate-like workpiece according to the present invention.
In the figure: 1. a machine tool body; 101. a support frame; 102. a hydraulic cylinder; 103. a stamping plate; 104. an upper die; 2. a first sliding cavity; 201. a sealing rod; 202. a lower die; 203. a limit groove; 204. clamping blocks; 205. a first spring; 206. a hollow tube; 207. a first connection pipe; 208. a second connection pipe; 209. a third connection pipe; 3. a safety groove; 301. an inclined surface; 302. a groove; 303. a return pipe; 304. a placement groove; 305. an annular groove; 4. a second sliding cavity; 401. a sealing plate; 402. a filler tube; 403. sealing cover; 5. a sleeve; 501. a slide bar; 502. a top plate; 503. a connecting claw; 504. a sealing block; 505. bending the pipe; 506. a communicating pipe; 507. sealing grooves; 508. an air inlet pipe; 6. and a second spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1: referring to fig. 1 to 6, a machine tool for machining a plate-like workpiece, comprising: the machine tool body 1 further includes: a support frame 101 fixed to the machine tool body 1; the hydraulic cylinder 102 is fixed at the top end of the supporting frame 101; a punching plate 103 fixed to the output end of the hydraulic cylinder 102; an upper die 104 fixed to the punching plate 103; a safety groove 3 which is arranged on the machine tool body 1; a seal rod 201 sliding on the lower side of the safety groove 3; a lower die 202 fixed to the seal rod 201; the limiting grooves 203 are symmetrically formed on the lower die 202; the clamping block 204 slides on the lower die 202, and one end of the clamping block 204 slides in the limiting groove 203; the first spring 205 is fixed between the limit groove 203 and the clamping block 204; a seating groove 304 provided in the safety groove 3, the seating groove 304 being matched with the sealing rod 201; a buffer assembly for buffering the sealing rod 201.
The buffer component comprises a first sliding cavity 2 arranged in the machine tool body 1, a second spring 6 is fixedly connected in the first sliding cavity 2, the lower end of the sealing rod 201 slides in the first sliding cavity 2 in a sealing mode, and one end of the sealing rod 201 in the first sliding cavity 2 is fixedly connected with the second spring 6.
The safety groove 3 is arranged in a trapezoid shape, and one end of the clamping block 204 is matched with the inclined edge of the trapezoid safety groove 3.
When the plate-shaped workpiece is stamped, the plate-shaped workpiece is placed on the lower die 202, opposite two sides of the plate-shaped workpiece are basically parallel to the clamping blocks 204, the hydraulic cylinder 102 is started, the hydraulic cylinder 102 drives the stamping plate 103 and the upper die 104 to move downwards, the upper die 104 is firstly contacted with the plate-shaped workpiece, then the lower die 202 is extruded downwards, the lower die 202 is enabled to be completely attached to the bottom of the safety groove 3, the trapezoidal safety groove 3 is attached to the clamping blocks 204 in the descending process of the lower die 202, the clamping blocks 204 are extruded, the clamping blocks 204 are used for positioning the plate-shaped workpiece, at the moment, the upper die 104 is continuously pressed downwards to stamp the plate-shaped workpiece, so that the plate-shaped workpiece is conveniently positioned in the stamping process, dislocation of the workpiece is effectively prevented, and the processing efficiency of the plate-shaped workpiece is effectively improved.
After the stamping is finished, the hydraulic cylinder 102 contracts upwards to drive the stamping plate 103 and the upper die 104 to move upwards, at the moment, the sealing rod 201 is driven to move upwards under the action of the second spring 6 to eject the lower die 202, and meanwhile, the first spring 205 resets the clamping block 204, so that the plate-shaped workpiece after the stamping is conveniently taken out, and the machining efficiency of the plate-shaped workpiece is effectively improved.
Example 2: referring to fig. 1 to 6, a machine tool for machining a plate-like workpiece, comprising: the machine tool body 1 further includes: a support frame 101 fixed to the machine tool body 1; the hydraulic cylinder 102 is fixed at the top end of the supporting frame 101; a punching plate 103 fixed to the output end of the hydraulic cylinder 102; an upper die 104 fixed to the punching plate 103; a safety groove 3 which is arranged on the machine tool body 1; a seal rod 201 sliding on the lower side of the safety groove 3; a lower die 202 fixed to the seal rod 201; the limiting grooves 203 are symmetrically formed on the lower die 202; the clamping block 204 slides on the lower die 202, and one end of the clamping block 204 slides in the limiting groove 203; the first spring 205 is fixed between the limit groove 203 and the clamping block 204; a seating groove 304 provided in the safety groove 3, the seating groove 304 being matched with the sealing rod 201; a buffer assembly for buffering the sealing rod 201.
The buffer component comprises a first sliding cavity 2 arranged in the machine tool body 1, a second spring 6 is fixedly connected in the first sliding cavity 2, the lower end of the sealing rod 201 slides in the first sliding cavity 2 in a sealing mode, and one end of the sealing rod 201 in the first sliding cavity 2 is fixedly connected with the second spring 6.
The safety groove 3 is arranged in a trapezoid shape, and one end of the clamping block 204 is matched with the inclined edge of the trapezoid safety groove 3.
The machine tool comprises a machine tool body 1, a sealing rod 201 and a sealing plate 401 matched with the second sliding cavity 4 are arranged in the machine tool body 1, the sealing rod 201 and the second sliding cavity 4 are coaxially arranged, the sealing rod 201 is fixedly connected with the sealing plate 401 matched with the second sliding cavity 4, a hollow pipe 206 is arranged in the sealing rod 201, a first connecting pipe 207 communicated with the hollow pipe 206 is arranged on the sealing rod 201 and communicated with the second sliding cavity 4, a second connecting pipe 208 communicated with a safety groove 3 is arranged on the sealing rod 201, and the second connecting pipe 208 is communicated with the hollow pipe 206.
The sealing rod 201 is symmetrically provided with a third connecting pipe 209, the third connecting pipe 209 is matched with the placement groove 304, and the third connecting pipe 209 is communicated with the hollow pipe 206.
A groove 302 is formed in the safety groove 3, a return pipe 303 is arranged between the groove 302 and the placement groove 304, and an annular groove 305 is formed in the bottom of the placement groove 304.
An inclined surface 301 is provided between the groove 302 and the seating groove 304.
The machine tool body 1 is internally provided with an oil filling pipe 402 communicated with the top of the second sliding cavity 4, and the oil filling pipe 402 is in threaded connection with a sealing cover 403.
When the sealing rod 201 slides upwards, the sealing plate 401 is driven to slide upwards in the second sliding cavity 4, at this time, cooling oil in the second sliding cavity 4 is sprayed out through the first connecting pipe 207, the hollow pipe 206 and the second connecting pipe 208 in sequence, and the temperature of the lower die 202 and the safety groove 3 which are just punched is reduced, so that the high temperature damage of the lower die 202 is effectively prevented;
when the sealing rod 201 slides downwards, the sealing plate 401 slides downwards, the lower side of the sealing rod 201 blocks the backflow pipe 303, then negative pressure starts to be generated in the second sliding cavity 4, and after the third connecting pipe 209 moves to the annular groove 305, cooling oil in the annular groove 305 flows back into the second sliding cavity 4, so that the cooling oil can be effectively recycled.
Example 3: referring to fig. 1 to 6, a machine tool for machining a plate-like workpiece, comprising: the machine tool body 1 further includes: a support frame 101 fixed to the machine tool body 1; the hydraulic cylinder 102 is fixed at the top end of the supporting frame 101; a punching plate 103 fixed to the output end of the hydraulic cylinder 102; an upper die 104 fixed to the punching plate 103; a safety groove 3 which is arranged on the machine tool body 1; a seal rod 201 sliding on the lower side of the safety groove 3; a lower die 202 fixed to the seal rod 201; the limiting grooves 203 are symmetrically formed on the lower die 202; the clamping block 204 slides on the lower die 202, and one end of the clamping block 204 slides in the limiting groove 203; the first spring 205 is fixed between the limit groove 203 and the clamping block 204; a seating groove 304 provided in the safety groove 3, the seating groove 304 being matched with the sealing rod 201; a buffer assembly for buffering the sealing rod 201.
The buffer component comprises a first sliding cavity 2 arranged in the machine tool body 1, a second spring 6 is fixedly connected in the first sliding cavity 2, the lower end of the sealing rod 201 slides in the first sliding cavity 2 in a sealing mode, and one end of the sealing rod 201 in the first sliding cavity 2 is fixedly connected with the second spring 6.
The safety groove 3 is arranged in a trapezoid shape, and one end of the clamping block 204 is matched with the inclined edge of the trapezoid safety groove 3.
The machine tool comprises a machine tool body 1, a sealing rod 201 and a sealing plate 401 matched with the second sliding cavity 4 are arranged in the machine tool body 1, the sealing rod 201 and the second sliding cavity 4 are coaxially arranged, the sealing rod 201 is fixedly connected with the sealing plate 401 matched with the second sliding cavity 4, a hollow pipe 206 is arranged in the sealing rod 201, a first connecting pipe 207 communicated with the hollow pipe 206 is arranged on the sealing rod 201 and communicated with the second sliding cavity 4, a second connecting pipe 208 communicated with a safety groove 3 is arranged on the sealing rod 201, and the second connecting pipe 208 is communicated with the hollow pipe 206.
The sealing rod 201 is symmetrically provided with a third connecting pipe 209, the third connecting pipe 209 is matched with the placement groove 304, and the third connecting pipe 209 is communicated with the hollow pipe 206.
A groove 302 is formed in the safety groove 3, a return pipe 303 is arranged between the groove 302 and the placement groove 304, and an annular groove 305 is formed in the bottom of the placement groove 304.
An inclined surface 301 is provided between the groove 302 and the seating groove 304.
The machine tool body 1 is internally provided with an oil filling pipe 402 communicated with the top of the second sliding cavity 4, and the oil filling pipe 402 is in threaded connection with a sealing cover 403.
The symmetrical fixedly connected with sleeve 5 on the lathe body 1, sealed slip has slide bar 501 in the sleeve 5, fixedly connected with roof 502 between slide bar 501 top and the punching press board 103, fixedly connected with connecting jaw 503 on the slide bar 501 is provided with intake pipe 508 and seal groove 507 in the lathe body 1, seal groove 507 is linked together with intake pipe 508, wherein, the one end of intake pipe 508 is linked together with the bottom of first smooth chamber 2, fixedly connected with and seal groove 507 matched sealing block 504 on the connecting jaw 503, be provided with elbow pipe 505 and communicating pipe 506 on the sealing block 504, sleeve 5's upside is provided with the gas pocket.
When the stamping plate 103 moves downwards, the stamping plate 103 drives the sliding rod 501 to slide downwards through the top plate 502, and part of gas in the extrusion sleeve 5 enters the first sliding cavity 2 through the bent pipe 505, the sealing groove 507 and the air inlet pipe 508, so that the sealing rod 201 is effectively buffered;
when the stamping plate 103 moves upwards, negative pressure is generated in the sleeve 5, at the moment, the bending pipe 505 is attached to the inner wall of the sealing groove 507, gas in the first sliding cavity 2 is pumped out to generate negative pressure, so that the sealing rod 201 does not rebound upwards, after the sliding rod 501 moves to the air hole, the gas flows back into the first sliding cavity 2 through the bending pipe 505, so that the sealing rod 201 rebounds upwards rapidly, the plate-shaped workpiece is promoted to pop out under the action of inertia, and further the plate-shaped workpiece is taken out effectively, and the processing efficiency of the plate-shaped workpiece is improved effectively.
Example 4: a use method of a machine tool for machining a plate-shaped workpiece adopts the machine tool for machining the plate-shaped workpiece, and mainly comprises the following steps:
step one, placing a plate-shaped workpiece on a lower die 202, and placing the plate-shaped workpiece between two clamping blocks 204;
step two, starting a hydraulic cylinder 102 to drive a stamping plate 103 to move downwards, wherein the stamping plate 103 drives an upper die 104 to move downwards;
step three, the upper die 104 extrudes the lower die 202 to slide downwards, and at the moment, the two clamping blocks 204 clamp and position the plate-shaped workpiece;
and fourthly, after the machining is finished, the plate-shaped workpiece is rebounded to an initial position through the buffer assembly, and the plate-shaped workpiece is taken out.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. A machine tool for machining a plate-like workpiece, comprising: machine tool body (1), its characterized in that still includes:
a support (101) fixed to the machine tool body (1);
the hydraulic cylinder (102) is fixed at the top end of the supporting frame (101);
the stamping plate (103) is fixed at the output end of the hydraulic cylinder (102);
an upper die (104) fixed to the punching plate (103);
a safety groove (3) which is arranged on the machine tool body (1);
a sealing rod (201) sliding on the lower side of the safety groove (3);
a lower die (202) fixed to the seal rod (201);
the limiting grooves (203) are symmetrically formed in the lower die (202);
the clamping block (204) slides on the lower die (202), and one end of the clamping block (204) slides in the limiting groove (203);
the first spring (205) is fixed between the limit groove (203) and the clamping block (204);
a placement groove (304) which is arranged in the safety groove (3), and the placement groove (304) is matched with the sealing rod (201);
and a buffer assembly for buffering the sealing rod (201).
2. Machine tool for machining plate-shaped workpieces according to claim 1, characterized in that the buffer assembly comprises a first sliding cavity (2) formed in the machine tool body (1), a second spring (6) is fixedly connected in the first sliding cavity (2), the lower end of the sealing rod (201) is sealed and slides in the first sliding cavity (2), and one end of the sealing rod (201) in the first sliding cavity (2) is fixedly connected with the second spring (6).
3. A machine tool for machining plate-like workpieces according to claim 1, characterized in that the safety groove (3) is arranged in a trapezoid, and that one end of the clamping block (204) matches the inclined edge of the trapezoid safety groove (3).
4. A machine tool for machining plate-shaped workpieces according to claim 2, characterized in that a second sliding cavity (4) is arranged in the machine tool body (1), wherein the sealing rod (201) and the second sliding cavity (4) are coaxially arranged, a sealing plate (401) matched with the second sliding cavity (4) is fixedly connected to the sealing rod (201), a hollow pipe (206) is arranged in the sealing rod (201), a first connecting pipe (207) communicated with the hollow pipe (206) is arranged on the sealing rod (201), the first connecting pipe (207) is communicated with the second sliding cavity (4), a second connecting pipe (208) communicated with the safety groove (3) is arranged on the sealing rod (201), and the second connecting pipe (208) is communicated with the hollow pipe (206).
5. A machine tool for machining plate-like workpieces according to claim 4, characterized in that the sealing rod (201) is symmetrically provided with a third connecting pipe (209), the third connecting pipe (209) is matched with the mounting groove (304), and the third connecting pipe (209) is communicated with the hollow pipe (206).
6. The machine tool for machining plate-shaped workpieces according to claim 5, wherein a groove (302) is formed in the safety groove (3), a return pipe (303) is arranged between the groove (302) and the placement groove (304), and an annular groove (305) is formed in the bottom of the placement groove (304).
7. Machine tool for machining plate-like workpieces according to claim 6, characterized in that an inclined surface (301) is provided between the recess (302) and the receiving groove (304).
8. Machine tool for machining plate-like workpieces according to claim 5, characterized in that an oil filling pipe (402) communicated with the top of the second sliding cavity (4) is arranged in the machine tool body (1), and a sealing cover (403) is connected to the oil filling pipe (402) in a threaded mode.
9. The machine tool for machining plate-shaped workpieces according to claim 4, wherein a sleeve (5) is symmetrically and fixedly connected to the machine tool body (1), a sliding rod (501) is arranged in the sleeve (5) in a sealing sliding mode, a top plate (502) is fixedly connected between the top end of the sliding rod (501) and a punching plate (103), a connecting claw (503) is fixedly connected to the sliding rod (501), an air inlet pipe (508) and a sealing groove (507) are arranged in the machine tool body (1), the sealing groove (507) is communicated with the air inlet pipe (508), one end of the air inlet pipe (508) is communicated with the bottom of the first sliding cavity (2), a sealing block (504) matched with the sealing groove (507) is fixedly connected to the connecting claw (503), a bent pipe (505) and a communicating pipe (506) are arranged on the sealing block (504), and air holes are formed in the upper side of the sleeve (5).
10. A method of using a machine tool for machining a plate-like workpiece, employing the machine tool for machining a plate-like workpiece of claim 1, characterized by comprising the steps of:
step one, placing a plate-shaped workpiece on a lower die (202), and enabling the plate-shaped workpiece to be positioned between two clamping blocks (204);
step two, starting a hydraulic cylinder (102) to drive a stamping plate (103) to move downwards, and driving an upper die (104) to move downwards by the stamping plate (103);
step three, the upper die (104) extrudes the lower die (202) to slide downwards, and at the moment, the two clamping blocks (204) clamp and position the plate-shaped workpiece;
and fourthly, after the machining is finished, the plate-shaped workpiece is rebounded to an initial position through the buffer assembly, and the plate-shaped workpiece is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| JP2014008516A (en) * | 2012-06-28 | 2014-01-20 | Toyota Motor Corp | Press forming method and press die for dovetail and dovetail slot |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116786667B (en) | 2023-11-03 |
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