CN114406154A - Screw machining production line and production process - Google Patents
Screw machining production line and production process Download PDFInfo
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- CN114406154A CN114406154A CN202210018693.1A CN202210018693A CN114406154A CN 114406154 A CN114406154 A CN 114406154A CN 202210018693 A CN202210018693 A CN 202210018693A CN 114406154 A CN114406154 A CN 114406154A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000003754 machining Methods 0.000 title claims description 15
- 239000002184 metal Substances 0.000 claims abstract description 136
- 238000003825 pressing Methods 0.000 claims abstract description 46
- 238000005520 cutting process Methods 0.000 claims abstract description 38
- 238000001035 drying Methods 0.000 claims description 14
- 238000010791 quenching Methods 0.000 claims description 11
- 230000000171 quenching effect Effects 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000009713 electroplating Methods 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 238000005496 tempering Methods 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 238000002161 passivation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
- 230000002349 favourable effect Effects 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000005452 bending Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G3/00—Making pins, nails, or the like
- B21G3/18—Making pins, nails, or the like by operations not restricted to one of the groups B21G3/12 - B21G3/16
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Abstract
The invention discloses a screw processing production line and a screw processing production process, wherein the screw processing production line comprises a rack, the rack is provided with an unreeling assembly and a cutting assembly, a fixed table is arranged between the unreeling assembly and the cutting assembly, the fixed table is provided with a plurality of straightening assemblies, each straightening assembly comprises a support frame, a first hydraulic cylinder, a pressing block, two connecting rods and two clamping blocks, the support frames are fixedly connected with the fixed table, the first hydraulic cylinders are fixedly connected with the support frames, the pressing blocks are fixedly connected with the output ends of the first hydraulic cylinders, the two connecting rods are respectively hinged to two sides of the pressing block, one ends of the connecting rods, which are far away from the pressing blocks, are hinged with the clamping blocks, the fixed table is provided with limiting grooves matched with the clamping blocks, the lower end parts of the clamping blocks are positioned in the limiting grooves, and the clamping blocks are all in sliding connection with the limiting grooves. In this application first pneumatic cylinder output drives briquetting reciprocating motion from top to bottom, and briquetting and clamp splice are in vertical and the horizontal direction upwards to the metal strip processing of flattening, make the metal strip comparatively straight, are favorable to guaranteeing the shaping effect of subsequent screw.
Description
Technical Field
The invention relates to the field of screw production, in particular to a screw processing production line and a screw processing production process.
Background
The screw is a fastening tool widely used, generally made of metal or plastic, and is cylindrical, and the groove with the concave and convex carved on the surface is a thread. The screw is a tool for gradually fastening the parts of the object mainly by using the physics and mathematics principles of the inclined circular rotation and friction of the object.
In the related art, in the screw production process, the raw material for producing the screw is generally the purchased coiled metal wire, such as carbon steel, stainless steel, etc. The screw processing production process is generally finished by unwinding a wire coil, cutting, heading, thread rolling, quenching, tempering, electroplating, cleaning, drying, packaging and warehousing.
In view of the above-mentioned related technologies, the inventor believes that, when a rolled metal wire is unreeled, a metal strip does not completely return to a straight state, and the metal strip is bent after being cut, which easily affects subsequent heading and thread rolling, resulting in poor screw forming effect.
Disclosure of Invention
In order to guarantee the forming effect of screw, this application provides a screw processing lines and production technology.
First aspect, the application provides a screw processing production line adopts following technical scheme:
the utility model provides a screw processing production line, which comprises a frame, the frame is equipped with unreels subassembly and cutting element, it is equipped with the fixed station to unreel between subassembly and the cutting element, the fixed station is equipped with a plurality of subassemblies that straighten, the subassembly that straightens includes the support frame, first pneumatic cylinder, the briquetting, two connecting rods and two clamp splices, support frame and fixed station fixed connection, first pneumatic cylinder and support frame fixed connection, briquetting and first pneumatic cylinder output fixed connection, two connecting rods articulate respectively in the briquetting both sides, the connecting rod deviates from briquetting one end and articulates with the clamp splice, the fixed station has been seted up with clamp splice matched with spacing groove, the tip is located spacing inslot under the clamp splice, and the clamp splice all with spacing groove sliding connection.
Through adopting above-mentioned technical scheme, rolled wire unreels through unreeling the subassembly, the metal strip is carried to cutting assembly department from the fixed station again, when the subassembly that straightens the metal strip, first pneumatic cylinder drives the briquetting and moves down, the briquetting pushes down the metal strip in vertical direction, the briquetting shifts up when first pneumatic cylinder contracts, two clamp splices remove in opposite directions, and then the clamp splice presss from both sides tightly the flattening to the metal strip both sides in the horizontal direction, first pneumatic cylinder output drives reciprocating motion from top to bottom of briquetting, briquetting and clamp splice are in vertical and horizontal direction upwards to the metal strip processing of flattening, it is comparatively straight to make the metal strip, be favorable to guaranteeing the shaping effect of back-order screw.
Optionally, the two ends of the limiting groove are fixedly provided with the positioning blocks, the positioning blocks are fixedly connected with springs, and one ends of the springs, which are far away from the positioning blocks, are fixedly connected with the clamping blocks, which are close to the springs.
Through adopting above-mentioned technical scheme, when the briquetting shifts up, connecting rod and spring have improved the clamp splice in the clamp force of horizontal direction to the metal strip simultaneously, are favorable to improving the effect of straightening to the metal strip, and then the shaping effect of guarantee screw.
Optionally, the two ends of the fixed platform are provided with vertical plates, the vertical plates are provided with wiring holes, and the fixed platform is provided with wiring grooves matched with the wiring holes.
Through adopting above-mentioned technical scheme, wire hole and wire casing are convenient for carry on spacingly to the metal strip, reduce the bending deflection that the metal strip takes place, are favorable to the guarantee to flatten the effect of subassembly to the metal strip that flattens.
Optionally, unreel the subassembly including unreeling frame, first motor, unreeling axle, spacing dish, unreel frame and frame fixed connection, first motor and unreel frame fixed connection, unreel the axle and unreel the frame and rotate and be connected, first motor output shaft and unreel axle fixed connection, spacing dish is located the one end that the axle deviates from unreeling frame of unreeling, and spacing dish is connected with a plurality of bolts, unreels the axle and has seted up a plurality of and bolt matched with screw.
Through adopting above-mentioned technical scheme, the coil-like metal wire cover is located and is unreeled the axle, and first motor drives metal wire and unreels, unreels the operation comparatively simple convenient to the metal strip.
Optionally, the cutting assembly comprises a vertical frame, a second hydraulic cylinder and a cutter, the vertical frame is fixedly connected with the frame, the second hydraulic cylinder is fixedly connected with the vertical frame, the cutter is fixedly connected with the output end of the second hydraulic cylinder, and the frame is provided with a through groove matched with the cutter.
Through adopting above-mentioned technical scheme, when the metal strip was carried cutting assembly and is cut, the second pneumatic cylinder drove the cutter and moves down, and the metal strip after will straightening cuts off, cuts off very convenient and fast to the metal strip.
Optionally, the frame is close to logical groove fixedly connected with horizontal bar, and the horizontal hole has been seted up to the horizontal bar, and the horizontal bar below has set firmly the collecting box, and collecting box sliding connection has the filter, and a plurality of sieve meshes have been seted up to the filter.
By adopting the technical scheme, when the metal strip is cut, one end of the metal strip is inserted into the transverse hole, and the transverse hole further limits the metal strip, so that the metal strip is prevented from tilting in the cutting process; the cut metal strips fall into a collection box, and the collection box is convenient for collecting the cut metal strips.
Optionally, be equipped with between fixed station and the grudging post and carry the platform, carry platform and frame fixed connection, carry the platform to be equipped with the conveying chain, carry the platform to be fixed with drive conveying chain pivoted second motor, the conveying chain is along a plurality of connection pieces of circumference fixedly connected with, the connection piece is equipped with pneumatic clamping jaw, pneumatic clamping jaw is including the left piece and the right piece of mutually supporting.
Through adopting above-mentioned technical scheme, the platform department is carried to the metal strip, and the second motor drives the conveying chain and rotates, and the pneumatic clamping jaw on the conveying chain drive connection piece removes, and when the pneumatic clamping jaw removed to being close to the frame up end, left side piece and right piece were close to each other, and left side piece and right piece press from both sides the metal strip tight, and the pulling metal strip removes to being close to cutter department, reduces the bending that the metal strip takes place when carrying, is favorable to guaranteeing cutting and the shaping effect of epilogue.
Optionally, limiting plates are arranged on two sides of the conveying chain and fixedly connected with the conveying table.
Through adopting above-mentioned technical scheme, the limiting plate is convenient for carry on spacingly to the conveying chain, takes place the incline when preventing connection piece and pneumatic clamping jaw from removing.
In a second aspect, the present application provides a screw processing production process, which adopts the following technical scheme:
a production process for screw machining comprises the following steps:
s1: the wire coil unreels, a coiled metal wire rod unreels through the unreeling assembly, the metal strip is conveyed to the fixing table again, the first hydraulic cylinder drives the pressing block to move downwards, the pressing block presses the metal strip downwards in the vertical direction, the pressing block moves upwards when the first hydraulic cylinder contracts, the two clamping blocks move oppositely, the clamping blocks clamp and flatten two sides of the metal strip in the horizontal direction, the output end of the first hydraulic cylinder drives the pressing block to move up and down in a reciprocating mode, and the pressing block and the clamping blocks flatten the metal strip in the vertical and horizontal directions, so that the metal strip is relatively straight;
s2: cutting, namely conveying the metal strip to a cutting assembly, cutting the metal strip by the cutting assembly according to the length of the required screw, and matching the cut metal strip with the required length of the screw;
s3: heading, namely conveying the cut metal strip into a screw heading machine to produce a nut part of a screw;
s4: thread rolling, namely conveying the headed screw into a thread rolling machine to roll out a thread part of the screw;
s5: quenching, namely conveying the threaded screw into a quenching furnace for quenching treatment, so as to improve the strength, hardness, wear resistance and toughness of the formed screw, and meet different use requirements of various mechanical parts and tools;
s6: tempering, conveying the quenched screws into a mesh belt type resistance furnace, slightly reducing the hardness of the screws, and avoiding the cracking of the screws due to overhigh hardness;
s7: electroplating, wherein the screw is subjected to electroplating treatment after tempering, and a layer of film is generated on the surface of the screw through passivation reaction so as to improve the corrosion resistance of the screw;
s8: cleaning and drying, namely cleaning the screws and then preventing the drying room or the drying equipment from carrying out official drying treatment;
s9: and packaging and warehousing, packaging the screws in batches, and finally transporting to a warehouse.
By adopting the technical scheme, the rolled metal wire rod is subjected to wire coil unreeling, cutting, heading, thread rolling, quenching, tempering, electroplating, cleaning, drying, packaging and warehousing, and the production process for processing the screw is completed.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the metal wire rod in a roll shape is unreeled through the unreeling component, the metal strip is conveyed to the cutting component from the fixing table, when the metal strip is straightened by the straightening component, the first hydraulic cylinder drives the pressing block to move downwards, the pressing block presses the metal strip in the vertical direction, the pressing block moves upwards when the first hydraulic cylinder contracts, the two clamping blocks move oppositely, the two clamping blocks further clamp and flatten two sides of the metal strip in the horizontal direction, the output end of the first hydraulic cylinder drives the pressing block to move up and down in a reciprocating mode, and the pressing block and the clamping blocks flatten the metal strip in the vertical direction and the horizontal direction, so that the metal strip is relatively straight, and the forming effect of a subsequent screw is favorably ensured;
2. when the pressing block moves upwards, the connecting rod and the spring simultaneously apply force to the clamping block, so that the clamping force of the clamping block on the metal strip in the horizontal direction is improved, the straightening effect of the metal strip is improved, and the forming effect of the screw is further ensured;
3. the metal strip is carried and is carried platform department, and the second motor drives the conveying chain and rotates, and the pneumatic clamping jaw on the conveying chain driven connection piece removes, and when the pneumatic clamping jaw removed to being close to the frame up end, left side piece and right piece were close to each other, and left side piece and right piece press from both sides the metal strip tightly, and the pulling metal strip removes to being close to cutter department, reduces the bending that the metal strip took place when carrying, is favorable to guaranteeing that subsequent cuts and the shaping effect.
Drawings
Fig. 1 is a schematic overall structure diagram of a screw machining production line according to an embodiment of the present application.
Fig. 2 is intended to highlight the structural schematic of the straightening assembly.
Fig. 3 is intended to highlight the connection scheme of the conveyor chain and the pneumatic gripper.
Description of reference numerals: 1. a frame; 2. an unwinding assembly; 3. cutting the assembly; 4. a fixed table; 5. a straightening assembly; 6. a support frame; 7. a first hydraulic cylinder; 8. briquetting; 9. a connecting rod; 10. a clamping block; 11. a limiting groove; 12. positioning blocks; 13. a spring; 14. a vertical plate; 15. a wiring hole; 16. a wiring groove; 17. unwinding the frame; 18. a first motor; 19. unwinding the reel; 20. a limiting disc; 21. a bolt; 23. erecting a frame; 24. a second hydraulic cylinder; 25. a cutter; 26. a through groove; 27. a transverse block; 28. a transverse hole; 29. a collection box; 30. a filter plate; 31. screening holes; 32. a conveying table; 33. a conveyor chain; 34. a second motor; 35. connecting sheets; 36. a pneumatic clamping jaw; 37. a left block; 38. a right block; 39. and a limiting plate.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses screw processing production line.
Examples
Referring to fig. 1, a screw processing production line includes frame 1, and frame 1 adopts stainless steel material, has better rigidity and bearing capacity. Frame 1 is equipped with unreels subassembly 2 and cutting element 3, unreels and is equipped with fixed station 4 between subassembly 2 and the cutting element 3, fixed station 4 and frame 1 fixed connection. The unreeling assembly 2 comprises an unreeling frame 17, a first motor 18, an unreeling shaft 19 and a limiting disc 20. Unreel frame 17 and frame 1 fixed connection, first motor 18 with unreel frame 17 fixed connection, unreel axle 19 and unreel frame 17 and rotate and be connected, first motor 18 output shaft with unreel axle 19 fixed connection, unreel subassembly 2 when using, locate unreeling axle 19 with coiled wire rod cover on, operating personnel starts first motor 18, first motor 18 drives the wire rod of unreeling on axle 19 and unreels, unreel the operation to the metal strip comparatively simple convenient.
Referring to fig. 1, a limiting disc 20 is located at one end of the unreeling shaft 19, which is away from the unreeling frame 17, the limiting disc 20 is connected with four bolts 21, the unreeling shaft 19 is provided with four screw holes matched with the bolts 21, and an operator uses the bolts 21 to penetrate through the limiting disc 20 to be in threaded connection with the screw holes on the unreeling shaft 19, so that metal wires are prevented from falling off from the unreeling shaft 19 in the unreeling process; one end of the unreeling frame 17 close to the fixed table 4 is rotatably connected with a transition roller. When the metal wire is unreeled, the metal strip bypasses the transition roller and is conveyed to the fixing table 4.
Referring to fig. 1 and 2, after a rolled metal wire is unreeled, a metal strip is conveyed to a fixing table 4, the metal strip is conveyed to one end of a cutting assembly 3 along the length direction of the fixing table 4, three groups of straightening assemblies 5 are arranged on the fixing table 4, and the metal strip is sequentially straightened by the plurality of straightening assemblies 5. The straightening component 5 comprises a support frame 6, a first hydraulic cylinder 7, a pressing block 8, two connecting rods 9 and two clamping blocks 10, the support frame 6 is fixedly connected with the fixed table 4, the first hydraulic cylinder 7 is fixedly connected with the support frame 6, the pressing block 8 is fixedly connected with the output end of the first hydraulic cylinder 7, when the straightening component 5 straightens the metal strip, the output end of the first hydraulic cylinder 7 extends to drive the pressing block 8 to move downwards, and the pressing block 8 presses the metal strip downwards in the vertical direction.
Referring to fig. 1 and 2, two connecting rods 9 are respectively hinged to two sides of a pressing block 8, one end of each connecting rod 9, which deviates from the pressing block 8, is hinged to a clamping block 10, a limiting groove 11 matched with the clamping block 10 is formed in a fixed table 4, the lower end of the clamping block 10 is located in the limiting groove 11, and the clamping blocks 10 are both connected with the limiting groove 11 in a sliding mode. The two clamping blocks 10 move reversely while the first hydraulic cylinder 7 drives the pressing block 8 to move downwards; when the output end of the first hydraulic cylinder 7 contracts, the pressing block 8 moves upwards to be separated from the metal strip, and meanwhile, the two clamping blocks 10 move oppositely, so that the two sides of the metal strip are clamped and flattened by the clamping blocks 10 in the horizontal direction.
Referring to fig. 1 and 2, positioning blocks 12 are fixed at two ends of the limiting groove 11, the positioning blocks 12 are fixedly connected with springs 13, and one ends of the springs 13 departing from the positioning blocks 12 are fixedly connected with clamping blocks 10 close to the springs 13. When two clamping blocks 10 in the same limiting groove 11 are attached together, the spring 13 is in a compressed state, and the spring 13 applies force to the clamping blocks 10; when briquetting 8 moved down, two clamp splice 10 antiport in same spacing groove 11, the atress increase of spring 13 this moment, the spring 13 compressed is shorter, spring 13 increases the resilience force of clamp splice 10, when briquetting 8 moved up, connecting rod 9 and spring 13 are simultaneously to the clamp splice 10 application of force, improve the clamp force of clamp splice 10 at the horizontal direction to the metal strip.
Referring to fig. 1 and 2, when the output end of the first hydraulic cylinder 7 drives the pressing block 8 to reciprocate up and down, the pressing block 8 and the clamping block 10 flatten the metal strip vertically and horizontally, the metal strip moves intermittently, and then the metal strip is flattened for many times through all the straightening assemblies 5 in sequence, so that the metal strip is relatively straight, and then the metal strip is relatively straight after being cut, which is favorable for ensuring the forming effect of screws.
Referring to fig. 1 and 2, the two ends of the fixed table 4 are provided with vertical plates 14, the vertical plates 14 are provided with wiring holes 15, when a metal strip is conveyed to the fixed table 4, the metal strip passes through the wiring holes 15 on the vertical plates 14 near the unwinding frame 17, the fixed table 4 is provided with wiring grooves 16 matched with the wiring holes 15 along the length direction, the wiring grooves 16 and the wiring holes 15 are located on the same horizontal line, and the frame 1 is provided with connecting grooves matched with the wiring grooves 16. And then sequentially passes through the wiring grooves 16 on the fixed table 4, and finally penetrates out of the wiring hole 15 on the vertical plate 14 close to the cutting assembly 3, so that the wiring hole 15 and the wiring groove 16 are convenient for limiting the metal strip, the bending deflection of the metal strip is reduced, and the flattening effect of the flattening assembly on the metal strip can be ensured.
Referring to fig. 1, cutting assembly 3 includes grudging post 23, second hydraulic cylinder 24, cutter 25, grudging post 23 and 1 fixed connection of frame, second hydraulic cylinder 24 and grudging post 23 fixed connection, cutter 25 and 24 output end fixed connection of second hydraulic cylinder, when cutting the metal strip, the metal strip removes grudging post 23 below position, frame 1 has seted up logical groove 26 with cutter 25 matched with, it is located logical groove 26 top to treat that the position of cutting, 24 output ends of second hydraulic cylinder on the grudging post 23 drive cutter 25 and move down, and then the metal strip after cutter 25 will straighten cuts off, cut off very convenient and fast to the metal strip.
Referring to fig. 1, a transverse block 27 is fixedly connected to a position of the frame 1 close to the through slot 26, a transverse hole 28 is formed in the transverse block 27, when the metal strip is cut, one end of the metal strip is inserted into the transverse hole 28 of the transverse hole 28, the transverse hole 28 further limits the metal strip, the metal strip is prevented from tilting in the cutting process, and the cutting effect of the metal strip can be improved; a collecting box 29 is fixed below the transverse block 27, the collecting box 29 is connected with a filtering plate 30 in a sliding mode, and a plurality of sieve holes 31 are formed in the filtering plate 30. After the metal strip is cut off, the uncut part is continuously conveyed forwards, the cut metal strip is ejected out of the transverse hole 28 and then falls into a collection box 29, and the collection box 29 collects the cut metal strip; the metal strip falls into the collection box 29 and is temporarily stored on the filter plate 30, and the metal slag generated when the metal strip is cut falls into the bottom of the collection box 29 through the sieve holes 31.
Referring to fig. 1 and 3, a conveying table 32 is installed between the fixed table 4 and the vertical frame 23, the conveying table 32 is fixedly connected with the frame 1, the metal strip is conveyed onto the fixed table 4, and is conveyed forwards to the conveying table 32 after being straightened by the straightening assembly 5. Carry platform 32 to install conveying chain 33, carry platform 32 to be fixed with drive conveying chain 33 pivoted second motor 34, when second motor 34 drives to carry to connect the rotation, two gears are installed at the inside both ends of conveying chain 33, and the gear all rotates with carrying platform 32 to be connected, and second motor 34 output shaft is fixed with one of them gear, and then drives conveying chain 33 and rotate.
Referring to fig. 1 and 3, the conveying chain 33 is fixedly connected with a plurality of connecting pieces 35 along the circumferential direction, pneumatic clamping jaws 36 are mounted on the connecting pieces 35, the pneumatic clamping jaws 36 mainly use compressed air as power and are used for clamping an actuating device, and the pneumatic clamping jaws 36 comprise a left block 37 and a right block 38 which are matched with each other. The second motor 34 drives the conveying chain 33 to rotate, the conveying chain 33 drives the pneumatic clamping jaw 36 on the connecting sheet 35 to move, and in a normal state, the left block 37 and the right block 38 of the pneumatic clamping jaw 36 are separated. Limiting plates 39 are mounted on two sides of the conveying chain 33, the limiting plates 39 are fixedly connected with the conveying table 32, the limiting plates 39 are convenient for limiting the conveying chain 33, and the connecting sheet 35 and the pneumatic clamping jaw 36 are prevented from deflecting in the rotating process of the conveying chain 33.
Referring to fig. 1 and 3, when the pneumatic clamping jaw 36 moves to be close to the upper end face of the rack 1, the left block 37 and the right block 38 are close to each other, and further when the metal strip is conveyed above the conveying chain 33, the left block 37 and the right block 38 clamp the metal strip, pull the metal strip to move close to the cutting knife 25, and simultaneously straighten the metal strip to reduce the bending of the metal strip during conveying; when the connecting piece 35 moves with the conveyor chain 33 close to one end of the cutter 25, the left block 37 and the right block 38 of the pneumatic jaw 36 move away from each other and are thus separated from the metal strip.
The implementation principle of this application embodiment screw processing production line does: after the coiled metal wire is unreeled, the metal strip is conveyed to the fixing table 4, the metal strip is conveyed to one end of the cutter 25 along the length direction of the fixing table 4, and the metal strip is sequentially straightened through the straightening assemblies 5. When the straightening assembly 5 straightens the metal strip, the output end of the first hydraulic cylinder 7 extends to drive the pressing block 8 to move downwards, and the pressing block 8 presses the metal strip downwards in the vertical direction. The two clamping blocks 10 move reversely while the first hydraulic cylinder 7 drives the pressing block 8 to move downwards; when the output end of the first hydraulic cylinder 7 contracts, the pressing block 8 moves upwards to be separated from the metal strip, and meanwhile, the two clamping blocks 10 move oppositely, so that the two sides of the metal strip are clamped and flattened by the clamping blocks 10 in the horizontal direction. When the pressing block 8 moves upwards, the connecting rod 9 and the spring 13 simultaneously apply force to the clamping block 10, and the clamping force of the clamping block 10 on the metal strip in the horizontal direction is improved. When the output end of the first hydraulic cylinder 7 drives the pressing block 8 to reciprocate up and down, the pressing block 8 and the clamping block 10 flatten the metal strip vertically and horizontally, so that the metal strip is relatively straight, and the metal strip is relatively straight after being cut, thereby being beneficial to ensuring the forming effect of screws. The metal strip flattened by the flattening component is clamped and conveyed by a pneumatic clamping jaw 36 on the conveying chain 33, and finally falls into the collection box 29 after being cut off by the cutter 25.
The embodiment of the application also discloses a production process for machining the screw.
A production process for screw machining comprises the following steps:
s1: the wire coil unreels, a coiled metal wire rod unreels through the unreeling assembly 2, the metal strip is conveyed to the fixing table 4 again, the first hydraulic cylinder 7 drives the pressing block 8 to move downwards, the pressing block 8 presses the metal strip downwards in the vertical direction, the pressing block 8 moves upwards when the first hydraulic cylinder 7 contracts, the two clamping blocks 10 move oppositely, the clamping blocks 10 clamp and flatten two sides of the metal strip in the horizontal direction, the output end of the first hydraulic cylinder 7 drives the pressing block 8 to move up and down in a reciprocating mode, and the pressing block 8 and the clamping blocks 10 flatten the metal strip in the vertical direction and the horizontal direction, so that the metal strip is straight;
s2: cutting, namely conveying the metal strip to a cutting assembly 3, cutting the metal strip by the cutting assembly 3 according to the length of the required screw, and matching the cut metal strip with the required length of the screw;
s3: heading, namely conveying the cut metal strip into a screw heading machine to produce a nut part of a screw;
s4: thread rolling, namely conveying the headed screw into a thread rolling machine to roll out a thread part of the screw;
s5: quenching, namely conveying the threaded screw into a quenching furnace for quenching treatment, so as to improve the strength, hardness, wear resistance and toughness of the formed screw, and meet different use requirements of various mechanical parts and tools;
s6: tempering, conveying the quenched screws into a mesh belt type resistance furnace, slightly reducing the hardness of the screws, and avoiding the cracking of the screws due to overhigh hardness;
s7: electroplating, wherein the screw is subjected to electroplating treatment after tempering, and a layer of film is generated on the surface of the screw through passivation reaction so as to improve the corrosion resistance of the screw;
s8: cleaning and drying, namely cleaning the screws and then preventing the drying room or the drying equipment from carrying out official drying treatment;
s9: and packaging and warehousing, packaging the screws in batches, and finally transporting to a warehouse.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a screw processing lines, includes frame (1), its characterized in that: the frame (1) is provided with an unreeling component (2) and a cutting component (3), a fixed table (4) is arranged between the unreeling component (2) and the cutting component (3), the fixed table (4) is provided with a plurality of straightening components (5), each straightening component (5) comprises a support frame (6), a first hydraulic cylinder (7), a pressing block (8), two connecting rods (9) and two clamping blocks (10), the support frames (6) are fixedly connected with the fixed table (4), the first hydraulic cylinders (7) are fixedly connected with the support frames (6), the pressing blocks (8) are fixedly connected with the output ends of the first hydraulic cylinders (7), the two connecting rods (9) are respectively hinged to two sides of the pressing blocks (8), one ends of the connecting rods (9) departing from the pressing blocks (8) are hinged with the clamping blocks (10), the fixed table (4) is provided with limiting grooves (11) matched with the clamping blocks (10), the lower end parts of the clamping blocks (10) are positioned in the limiting grooves (11), and the clamping blocks (10) are in sliding connection with the limiting grooves (11).
2. A screw machining line according to claim 1, characterized in that: locating blocks (12) are fixedly arranged at two ends of the limiting groove (11), springs (13) are fixedly connected to the locating blocks (12), and one ends, departing from the locating blocks (12), of the springs (13) are fixedly connected with clamping blocks (10) close to the springs (13).
3. A screw machining line according to claim 1, characterized in that: the two ends of the fixed platform (4) are provided with vertical plates (14), the vertical plates (14) are provided with wiring holes (15), and the fixed platform (4) is provided with wiring grooves (16) matched with the wiring holes (15).
4. A screw machining line according to claim 1, characterized in that: unreel subassembly (2) including unreeling frame (17), first motor (18), unreel axle (19), spacing dish (20), unreel frame (17) and frame (1) fixed connection, first motor (18) with unreel frame (17) fixed connection, unreel axle (19) with unreel frame (17) and rotate and be connected, first motor (18) output shaft with unreel axle (19) fixed connection, spacing dish (20) are located unreel axle (19) and deviate from the one end of unreeling frame (17), spacing dish (20) are connected with a plurality of bolts (21), unreel axle (19) and set up a plurality of and bolt (21) matched with screw.
5. A screw machining line according to claim 1, characterized in that: the cutting assembly (3) comprises a vertical frame (23), a second hydraulic cylinder (24) and a cutter (25), the vertical frame (23) is fixedly connected with the rack (1), the second hydraulic cylinder (24) is fixedly connected with the vertical frame (23), the cutter (25) is fixedly connected with the output end of the second hydraulic cylinder (24), and a through groove (26) matched with the cutter (25) is formed in the rack (1).
6. A screw machining line according to claim 5, characterized in that: frame (1) is close to logical groove (26) department fixedly connected with horizontal block (27), and cross bore (28) have been seted up to horizontal block (27), and horizontal block (27) below has set firmly collecting box (29), and collecting box (29) sliding connection has filter (30), and a plurality of sieve meshes (31) have been seted up in filter (30).
7. A screw machining line according to claim 5, characterized in that: be equipped with between fixed station (4) and grudging post (23) and carry platform (32), carry platform (32) and frame (1) fixed connection, carry platform (32) to be equipped with conveying chain (33), carry platform (32) to be fixed with drive conveying chain (33) pivoted second motor (34), a plurality of connection pieces (35) of circumference fixedly connected with are followed in conveying chain (33), connection piece (35) are equipped with pneumatic clamping jaw (36), pneumatic clamping jaw (36) are including left piece (37) and right piece (38) of mutually supporting.
8. A screw machining line according to claim 7, characterized in that: limiting plates (39) are arranged on two sides of the conveying chain (33), and the limiting plates (39) are fixedly connected with the conveying table (32).
9. A screw machining production process for a screw machining production line according to any one of claims 1 to 8, characterized in that:
s1: the wire coil unreels, a coiled metal wire is unreeled through the unreeling assembly (2), the metal strip is conveyed to the fixing table (4), the first hydraulic cylinder (7) drives the pressing block (8) to move downwards, the pressing block (8) presses the metal strip downwards in the vertical direction, the pressing block (8) moves upwards when the first hydraulic cylinder (7) contracts, the two clamping blocks (10) move oppositely, the two clamping blocks (10) clamp and flatten two sides of the metal strip in the horizontal direction, the output end of the first hydraulic cylinder (7) drives the pressing block (8) to move up and down in a reciprocating mode, the pressing block (8) and the clamping blocks (10) flatten the metal strip in the vertical direction and the horizontal direction, and the metal strip is straight;
s2: cutting, namely conveying the metal strip to a cutting assembly (3), cutting the metal strip by the cutting assembly (3) according to the length of the required screw, and adapting the cut metal strip to the required length of the screw;
s3: heading, namely conveying the cut metal strip into a screw heading machine to produce a nut part of a screw;
s4: thread rolling, namely conveying the headed screw into a thread rolling machine to roll out a thread part of the screw;
s5: quenching, namely conveying the threaded screw into a quenching furnace for quenching treatment, so as to improve the strength, hardness, wear resistance and toughness of the formed screw, and meet different use requirements of various mechanical parts and tools;
s6: tempering, conveying the quenched screws into a mesh belt type resistance furnace, slightly reducing the hardness of the screws, and avoiding the cracking of the screws due to overhigh hardness;
s7: electroplating, wherein the screw is subjected to electroplating treatment after tempering, and a layer of film is generated on the surface of the screw through passivation reaction so as to improve the corrosion resistance of the screw;
s8: cleaning and drying, namely cleaning the screws and then preventing the drying room or the drying equipment from carrying out official drying treatment;
s9: and packaging and warehousing, packaging the screws in batches, and finally transporting to a warehouse.
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| CN202210018693.1A CN114406154B (en) | 2022-01-08 | 2022-01-08 | Screw processing production line and production process |
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| CN202210018693.1A CN114406154B (en) | 2022-01-08 | 2022-01-08 | Screw processing production line and production process |
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| CN114406154A true CN114406154A (en) | 2022-04-29 |
| CN114406154B CN114406154B (en) | 2024-10-18 |
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|---|---|
| CN114406154B (en) | 2024-10-18 |
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