A preparation system and method for a cemented carbide cutting tool
By designing a cemented carbide tool preparation system, using ring feeding structure and automated handling equipment, the problem of low efficiency of manual handling of raw materials in the existing technology is solved, and the automation and efficient production of the cemented carbide tool production process is achieved.
Patent Information
- Application Number
- CN202210012530.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-01-07
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2042-01-07
AI Technical Summary
During the production process of existing cemented carbide tools, raw materials need to be transported manually one by one, which is large in workload and complicated in operation, resulting in inefficiency.
A preparation system for cemented carbide tools is designed, including rough processing and grinding machine tools, finishing grinding machine tools, grinding groove machines, tool passivation machines, electroplating machines and other equipment. Through the ring feeding structure, feeding transportation table and tool transportation table, automatic handling of raw materials and unmanned operation connection between the equipment are realized.
Through automated handling and equipment connection, the number and time of manual operations is significantly reduced, the production efficiency of cemented carbide tools is improved, and the workload and operation complexity are reduced.
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Figure CN114434167B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of alloy tool production, in particular to a preparation system and method for cemented carbide tools. Background Art
[0002] Cemented carbide is an alloy material made by powder metallurgy process from hard compounds of refractory metals and bonding metals. Cemented carbide has excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. Cemented carbide is widely used as a tool material, such as turning tools, milling cutters, planing tools, drills, boring tools, etc., for cutting cast iron, non-ferrous metals, plastics, chemical fibers, graphite, glass, stone, and ordinary steel, and can also be used to cut difficult-to-machine materials such as heat-resistant steel, stainless steel, high-manganese steel, and tool steel.
[0003] In the prior art, cemented carbide can be processed into tools. During the production process of cemented carbide tools, the tools need to be ground to achieve the effect of deburring and polishing. Generally, the way to grind the tools on the market is to fix the tools with fixtures, and then grind the tools through the grinding rollers on the fixtures. The existing equipment needs to transport the raw materials one by one, with a large workload and complicated operation. In view of this, in-depth research on the above problems has led to the generation of this case. Summary of the Invention
[0004] The technical solution of the present invention to achieve the above object is: a preparation system for cemented carbide tools, including: a rough machining and grinding machine tool, a finish machining and grinding machine tool, a groove grinding machine tool, a tool passivation machine, an electroplater, a plurality of feeding and transporting platforms, and a tool transporting platform. The rough machining and grinding machine tool, the finish machining and grinding machine tool, the groove grinding machine tool, and the tool passivation machine are installed on the side wall of the tool transporting platform. Raw material positioning and transporting structures are respectively installed on the plurality of feeding and transporting platforms and the tool transporting platform. A conversion and handling structure is installed on the tool transporting platform. Feeding and handling structures are provided on the rough machining and grinding machine tool, the finish machining and grinding machine tool, and the groove grinding machine tool. A ring feeding structure is installed on the tool passivation machine. The electroplater is installed on the tool transporting platform;
[0005] The ring feeding structure includes: a passivation feeding inner support, a passivation feeding outer support, a passivation inner concave slideway, a passivation outer concave slideway, a convex ring moving block, a ring helical gear bar, a passivation feeding drive, a passivation drive helical gear, a passivation outer concave box, two pairs of passivation hydraulic push rods, an I-shaped rotating block, a square passivation limit block, a plurality of lifting passivation limit shafts, a passivation drive, a passivation drive gear, a passivation transmission gear bar, and a clamping component;
[0006] The passivation loading inner bracket and the passivation loading outer bracket are installed on the tool passivation machine. The passivation inner concave slideway is installed on the passivation loading inner bracket, and the passivation outer concave slideway is installed on the passivation loading outer bracket. The convex ring moving block is inserted into the inner sides of the passivation inner concave slideway and the passivation outer concave slideway. The ring helical gear bar is installed on the convex ring moving block. The passivation loading drive machine is installed on the passivation loading outer bracket, and the passivation drive helical gear is installed on the drive end of the passivation loading drive machine. The passivation drive helical gear is in gear engagement with the ring helical gear bar. The passivation loading outer concave box is installed on the convex ring moving block. Two pairs of the passivation hydraulic push rods are installed in parallel on the inner side of the passivation loading outer concave box. The U-shaped passivation limit block is installed on the push ends of the two pairs of the passivation hydraulic push rods. The I-shaped rotating block is installed on the U-shaped passivation limit block through a bearing. A plurality of the lifting passivation limit shafts are inserted into the passivation loading outer concave box and the U-shaped passivation limit block. The passivation drive machine is installed on the U-shaped passivation limit block. The passivation drive gear bar is installed on the I-shaped rotating block. The passivation drive gear is installed on the drive end of the passivation drive machine, and the passivation drive gear is in gear engagement with the large-sized drive gear bar. The clamping component is installed on the I-shaped rotating block.
[0007] Preferably, the raw material positioning and transporting structure includes: a plurality of transporting discs, a plurality of transporting limit shafts, a plurality of transporting tooth-mounted pieces, a plurality of transporting shafts, a plurality of transporting drive machines, a plurality of transporting sprockets, a plurality of transporting chains, and a plurality of limit barrels;
[0008] A pair of concave transporting grooves are respectively formed in a plurality of the loading transporting platforms and the tool transporting platforms. A plurality of the transporting shafts are respectively inserted into the inner sides of the plurality of the concave transporting grooves. A plurality of the transporting discs are respectively installed on the plurality of the transporting shafts. A plurality of concave transporting U-shaped grooves are respectively formed in the plurality of the transporting discs. A plurality of the transporting tooth-mounted pieces are cross-connected through a plurality of the transporting limit shafts. A plurality of the transporting limit shafts are respectively movably inserted into the inner sides of the plurality of the concave transporting U-shaped grooves. A plurality of the transporting drive machines are respectively installed on the plurality of the loading transporting platforms and the tool transporting platforms. A plurality of the transporting sprockets are respectively installed on the plurality of the transporting shafts and the drive ends of the plurality of the transporting drive machines. A plurality of the transporting chains are respectively sleeved on the plurality of the transporting sprockets. A plurality of the limit barrels are respectively inserted into the plurality of the transporting tooth-mounted pieces.
[0009] Preferably, the conversion and handling structure includes: a plurality of conversion brackets, a plurality of vertical and horizontal lead screw modules, a plurality of conversion hydraulic push rods, and a plurality of handling hydraulic chucks;
[0010] A plurality of the conversion brackets are respectively installed on the rough machining and grinding machine tool, the finish machining and grinding machine tool, the groove grinding machine tool, the tool passivation machine, a plurality of the loading and transporting platforms, and the tool transporting platform. A plurality of the vertical and horizontal lead screw modules are respectively installed on the plurality of the conversion brackets. A plurality of the conversion hydraulic push rods are respectively installed on the moving ends of the plurality of the vertical and horizontal lead screw modules. A plurality of the handling hydraulic chucks are respectively installed on the pushing ends of the plurality of the shaft hydraulic push rods.
[0011] Preferably, the loading and handling structure includes: three U-shaped protective loading pipes, three pairs of handling lead screw modules, three L-shaped plates, three shielding concave plates, three concave handling bearing blocks, three handling sleeves, three pairs of rotating shafts, three handling hydraulic cylinders, three handling grippers, three horizontal transmission bevel gears, three horizontal driving bevel gears, three horizontal driving motors, and three vertical driving motors;
[0012] The three U-shaped protective loading pipes are respectively inserted into the rough machining and grinding machine tool, the finish machining and grinding machine tool, and the groove grinding machine tool. The three U-shaped protective loading pipes are respectively provided with handling openings. The three pairs of handling lead screw modules are respectively horizontally and parallelly installed inside the three U-shaped protective loading pipes. The three L-shaped plates are respectively installed on the moving ends of the three pairs of handling lead screw modules. The three shielding concave plates are respectively installed on the three L-shaped plates. The three concave handling bearing blocks are respectively inserted on the three L-shaped plates through bearings. The three horizontal transmission bevel gears are respectively installed on the three concave handling bearing blocks. The three horizontal driving motors are respectively installed on the three L-shaped plates. The three horizontal driving bevel gears are respectively installed on the driving ends of the three horizontal driving motors, and the three horizontal driving bevel gears are respectively in gear meshing with the three horizontal transmission bevel gears. The three pairs of rotating shafts are respectively inserted on the three handling sleeves, and the three pairs of rotating shafts are respectively inserted on the three concave handling bearing blocks. The three handling hydraulic cylinders are respectively installed inside the three handling sleeves. The three handling grippers are respectively installed on the pushing ends of the three handling hydraulic cylinders. The three vertical driving motors are respectively installed on the three concave handling bearing blocks, and the three vertical driving motors are respectively connected to the three rotating shafts.
[0013] Preferably, the clamping component includes: a U-shaped limiting block, a pair of clamping lead screw modules, a pair of concave clamping limiting blocks, a pair of limiting discs, a pair of rotating clamping shafts, a pair of rotating small motors, a clamping positioning block, and a clamping hydraulic chuck;
[0014] The loop-shaped limit block is installed on the I-shaped rotating block. A pair of clamping lead screw modules are relatively installed inside the loop-shaped limit block. A pair of concave clamping limit blocks are respectively installed on the moving ends of the pair of clamping lead screw modules. A pair of limit discs are respectively movably inserted inside the pair of concave clamping limit blocks. A pair of rotating clamping shafts are respectively inserted on the pair of limit discs. The clamping positioning block is installed on the pair of rotating clamping shafts. A pair of small rotating motors are respectively installed inside the pair of concave clamping limit blocks, and the driving ends of the pair of small rotating motors are respectively connected to the pair of limit discs. The clamping hydraulic chuck is respectively installed on the clamping positioning block.
[0015] Preferably, a plurality of ball grooves are respectively formed on the pair of concave clamping limit blocks, and moving balls are respectively arranged inside the plurality of ball grooves.
[0016] Preferably, cooling and dust removal brackets are respectively arranged on the plurality of loading and transporting platforms and the tool transporting platforms, and cooling fans are respectively arranged on the plurality of cooling and dust removal brackets.
[0017] A preparation method of a cemented carbide tool includes the following operating steps: Step S1, pre-treatment and blanking; Step S2, rough machining and grinding; Step S3, finish machining and grinding; Step S4, tool grooving; Step S5, tool passivation; Step S6, electroplating.
[0018] Step S1: Cut the raw material, and evenly draw the cut raw material into the inside of a plurality of limit barrels.
[0019] Step S2: Rough machine the raw material through a rough machining and grinding machine tool.
[0020] Step S3: Finish machine the raw material after rough machining through a finish machining and grinding machine tool.
[0021] Step S4: Groove the raw material after finish machining through a grooving machine tool, and perform five-axis machining to achieve grinding of the shaft.
[0022] Step S5: Sand-passivate the formed tool.
[0023] Step S6: Electroplate a protective layer on the passivated tool.
[0024] In the steps S1 - S6, through the cooperation of the raw material positioning and transporting structure and the rotating and handling structure, the raw material is sequentially transported between the rough machining and grinding machine tool, the finish machining and grinding machine tool, the grooving machine tool, the tool passivation machine and the electroplater. At the same time, through the ring loading structure and the loading and handling structure, the raw materials in the plurality of limit barrels are respectively and sequentially transported into the rough machining and grinding machine tool, the finish machining and grinding machine tool, the grooving machine tool and the tool passivation machine.
[0025] The lifting of the electroplater electroplates the raw materials in several limiting barrels.
[0026] The preparation system and method of cemented carbide cutting tools made by using the technical solution of the present invention, through the conversion handling structure and the ring loading structure, carry the cemented carbide cutting tools on several loading and transporting platforms and the cutting tool transporting platform one by one. At the same time, through the loading handling structure, the cemented carbide raw materials on the conversion handling structure and the ring loading structure are carried to the inside of the rough machining and grinding machine tool, the finish machining and grinding machine tool, the groove grinding machine tool and the cutting tool passivation machine, thus avoiding manual operation and handling. At the same time, through the loading handling structure, sealed loading and handling is carried out on the rough machining and grinding machine tool, the finish machining and grinding machine tool and the groove grinding machine tool, avoiding the phenomenon that waste chips block the robotic arm during robotic arm handling. Brief Description of the Drawings
[0027] Figure 1 It is a front view structural schematic diagram of a preparation system and method of a cemented carbide cutting tool according to the present invention.
[0028] Figure 2 It is a side view structural schematic diagram of a preparation system and method of a cemented carbide cutting tool according to the present invention.
[0029] Figure 3 It is a top view structural schematic diagram of a preparation system and method of a cemented carbide cutting tool according to the present invention.
[0030] Figure 4 It is a front view sectional schematic diagram of a preparation system and method of a cemented carbide cutting tool according to the present invention.
[0031] Figure 5 It is a top view sectional schematic diagram of a preparation system and method of a cemented carbide cutting tool according to the present invention.
[0032] Figure 6 It is Figure 4 a structure enlarged view of part "A" in
[0033] Figure 7 It is Figure 4 a structure enlarged view of part "B" in
[0034] Figure 8 It is Figure 4 a structure enlarged view of part "C" in
[0035] In the figure: 1. Rough processing grinding machine; 2. Fine processing grinding machine; 3. Groove grinding machine; 4. Tool passivation machine; 5. Electroplating device; 6. Loading and transporting platform; 7. Tool transporting platform; 8. Passivation loading inner bracket; 9. Passivation loading outer bracket; 10. Passivation inner concave slideway; 11. Passivation outer concave slideway; 12. Convex circular ring moving block; 13. Circular helical gear bar; 14. Passivation loading drive machine; 15. Passivation driving helical gear; 16. Passivation loading outer concave box; 17. Passivation hydraulic push rod; 18. Work-type rotating block; 19. Round passivation limit block; 20. Lifting passivation limit shaft; 21. Passivation driving machine; 22. Passivation driving gear; 23. Passivation transmission gear 1. The transport gear assembly is as follows: 2. The transport gear assembly is as follows: 2. The transport gear assembly is as follows: 3. The transport gear assembly is as follows: 4. The transport gear assembly is as follows: 5. The transport gear assembly is as follows: 6. The transport gear assembly is as follows: 7. The transport gear assembly is as follows: 8. The transport gear assembly is as follows: 9. The transport gear assembly is as follows: 10. The transport gear assembly is as follows: 11. The transport gear assembly is as follows: 12. The transport gear assembly is as follows: 13. The transport gear assembly is as follows: 14. The transport gear assembly is as follows: 15. The transport gear assembly is as follows: 16. The transport gear assembly is as follows: 17. The transport gear assembly is as follows: 18. The transport gear assembly is as follows: 19. The transport gear assembly is as follows: 20. The transport gear assembly is as follows: 21. The transport gear assembly is as follows: 22. The transport gear assembly is as follows: 23. The transport gear assembly is as follows: 24. The transport disc; 25. The transport limit shaft; 26. The transport gear assembly; 27. The transport shaft; 28. The transport drive machine; 29. The transport sprocket; 30. The transport chain; 31. The limit barrel; 32. The conversion bracket; 33. The vertical and horizontal screw modules; 34. The conversion hydraulic push rod; 35. The transport hydraulic chuck; 36. The round protective feeding tube; 37. The transport screw module; 38. The L-shaped plate; 39. The shielding concave plate; 40. The concave transport bearing block; 41. The transport sleeve; 42. The rotating shaft; 43. The transport hydraulic cylinder; 44. The transport claw; 45. The horizontal transmission bevel gear; 46. The horizontal drive bevel gear; 47. The horizontal drive machine; 48. The vertical DETAILED DESCRIPTION
[0036] Embodiment: By inserting alloy raw materials into the inner sides of several limiting barrels 31 on the tool transportation table 7, operating the transportation drive machine 28 on the tool transportation table 7, driving the transportation sprocket 29 on the driving end of the transportation drive machine 28 to rotate, driving the transportation chain 30 thereon to rotate through the transportation sprocket 29, driving several transportation sprockets 29 thereon to rotate through the transportation chain 30, driving the transportation shafts 27 thereon to rotate through several transportation sprockets 29, driving the transportation discs 24 thereon to rotate through several transportation shafts 27, respectively, the concave transportation U-shaped grooves on the transportation discs 24 respectively acting on the transportation limiting shafts 25 on several transportation tooth mounting pieces 26, driving the transportation limiting shafts 25 thereon to be transported along a certain trajectory through several transportation discs 24, respectively, driving the transportation tooth mounting pieces 26 thereon through several transportation limiting shafts 25, respectively, driving the limiting barrels 31 thereon through several transportation tooth mounting pieces 26, respectively, operating the vertical and horizontal lead screw module 33 on the conversion bracket 32 on the tool transportation table 7 and several loading transportation tables 6, driving the conversion hydraulic push rod 34 thereon, and at the same time pushing the handling hydraulic chuck 35 on the pushing end of the conversion hydraulic push rod 34, so as to move the alloy raw materials on several limiting barrels 31 on the tool transportation table 7 to the loading transportation table 6. Then, it is transported through the conversion handling structure between the loading transportation table 6 and the rough machining and grinding machine 1. At the same time, operating the handling lead screw module 37 of the loading handling structure, driving the L-shaped plate 38 on the moving end of the handling lead screw module 37, operating the horizontal drive machine 47 on the L-shaped plate, driving the horizontal drive bevel gear 46 on the driving end of the horizontal drive machine 47 to rotate, driving the horizontal transmission bevel gear 45 engaged with it to rotate through the horizontal drive bevel gear 46, driving the concave handling bearing block 40 thereon to rotate horizontally through the horizontal transmission bevel gear 45, operating the vertical drive machine 48 on the concave handling bearing block 40, driving the rotating shaft 42 on the concave handling bearing block 40, driving the handling sleeve 41 thereon to rotate in the vertical direction through the rotating shaft 42, and moving the raw materials on the handling hydraulic chuck 35 to the inside of the rough machining and grinding machine 1, the finish machining and grinding machine 2, and the groove grinding machine 3, so as to achieve sequential grinding. Then, it is operated through the ring loading structure, operating the passivation loading drive machine 14, driving the passivation drive bevel gear 15 on the driving end of the passivation loading drive machine 14 to rotate, and driving the ring bevel gear bar 13 engaged with it to rotate through the passivation drive bevel gear 15.The convex ring moving block 12 on the ring helical rack 13 is driven to move, and the convex ring moving block 12 moves along the cooperation of the passivation inner concave slideway 10 and the passivation outer concave slideway 11, so as to achieve a 360-degree horizontal rotation of the convex ring moving block 12. At the same time, the passivation feeding outer concave box 16 on the convex ring moving block 12 is driven. Through the operation of two pairs of passivation hydraulic push rods 17 in the passivation feeding outer concave box 16, the two pairs of passivation hydraulic push rods 17 drive the return-shaped passivation limit blocks 19 at the pushing ends. Through the operation of the passivation drive machine 21, the passivation drive gear 22 at the drive end of the passivation drive machine 21 is driven to rotate. Through the rotation of the passivation drive gear 22, the passivation transmission rack 23 meshed with it is driven to rotate. Through the rotation of the passivation transmission rack 23, the I-shaped rotating block 18 on it is driven to rotate. Through the I-shaped rotating block 18, the clamping assembly on it transports the raw materials inside the limiting barrel 31 to the inside of the tool passivation machine 4 one by one, and at the same time, the electroplater 5 on the tool transport table 7 electroplates the raw materials in several limiting barrels 31.
[0037] As a preferred solution, further, the raw material positioning and transportation structure includes: several transportation discs 24, several transportation limiting shafts 25, several transportation tooth mounting pieces 26, several transportation shafts 27, several transportation drive machines 28, several transportation sprockets 29, several transportation chains 30 and several limiting barrels 31;
[0038] A pair of concave transportation grooves are respectively opened on several of the feeding transportation tables 6 and the tool transportation table 7. Several of the transportation shafts 27 are respectively inserted into the inner sides of several of the concave transportation grooves. Several of the transportation discs 24 are respectively installed on several of the transportation shafts 27. Concave transportation U-shaped grooves are respectively opened on several of the transportation discs 24. Several of the transportation tooth mounting pieces 26 are cross-connected through several transportation limiting shafts 25. Several of the transportation limiting shafts 25 are respectively movably inserted into the inner sides of several of the concave transportation U-shaped grooves. Several of the transportation drive machines 28 are respectively installed on several of the feeding transportation tables 6 and the tool transportation table 7. Several of the transportation sprockets 29 are respectively installed on the driving ends of several of the transportation shafts 27 and several of the transportation drive machines 28. Several of the transportation chains 30 are respectively sleeved on several of the transportation sprockets 29. Several of the limiting barrels 31 are respectively inserted into several of the transportation tooth mounting pieces 26.
[0039] As a preferred solution, further, according to a preparation system for a cemented carbide tool as described in claim 1, the conversion and handling structure includes: several conversion brackets 32, several vertical and horizontal lead screw modules 33, several conversion hydraulic push rods 34 and several handling hydraulic chucks 35;
[0040] A plurality of the conversion brackets 32 are respectively installed on the rough machining and grinding machine tool 1, the finish machining and grinding machine tool 2, the groove grinding machine tool 3, the tool passivation machine 4, a plurality of the loading and transporting platforms 6, and the tool transporting platform 7. A plurality of the vertical and horizontal lead screw modules 33 are respectively installed on the plurality of the conversion brackets 32. A plurality of the conversion hydraulic push rods 34 are respectively installed on the moving ends of the plurality of the vertical and horizontal lead screw modules 33. A plurality of the handling hydraulic chucks 35 are respectively installed on the pushing ends of the plurality of the shaft hydraulic push rods.
[0041] As a preferred solution, further, the loading and handling structure includes: three U-shaped protective loading pipes 36, three pairs of handling lead screw modules 37, three L-shaped plates 38, three shielding concave plates 39, three concave handling bearing blocks 40, three handling sleeves 41, three pairs of rotating shafts 42, three handling hydraulic cylinders 43, three handling jaws 44, three horizontal driving bevel gears 45, three horizontal driven bevel gears 46, three horizontal driving motors 47, and three vertical driving motors 48;
[0042] The three U-shaped protective loading pipes 36 are respectively inserted into the rough machining and grinding machine tool 1, the finish machining and grinding machine tool 2, and the groove grinding machine tool 3. Handling ports are respectively formed in the three U-shaped protective loading pipes 36. The three pairs of handling lead screw modules 37 are respectively horizontally and parallelly installed inside the three U-shaped protective loading pipes 36. The three L-shaped plates 38 are respectively installed on the moving ends of the three pairs of handling lead screw modules 37. The three shielding concave plates 39 are respectively installed on the three L-shaped plates 38. The three concave handling bearing blocks 40 are respectively inserted into the three L-shaped plates 38 through bearings. The three horizontal driving bevel gears 45 are respectively installed on the three concave handling bearing blocks 40. The three horizontal driving motors 47 are respectively installed on the three L-shaped plates 38. The three horizontal driven bevel gears 46 are respectively installed on the driving ends of the three horizontal driving motors 47, and the three horizontal driven bevel gears 46 are respectively in gear engagement with the three horizontal driving bevel gears 45. The three pairs of rotating shafts 42 are respectively inserted into the three handling sleeves 41, and the three pairs of rotating shafts 42 are respectively inserted into the three concave handling bearing blocks 40. The three handling hydraulic cylinders 43 are respectively installed inside the three handling sleeves 41. The three handling jaws 44 are respectively installed on the pushing ends of the three handling hydraulic cylinders 43. The three vertical driving motors 48 are respectively installed on the three concave handling bearing blocks 40, and the three vertical driving motors 48 are respectively connected to the three rotating shafts 42.
[0043] As a preferred solution, further, the clamping component includes: a loop-shaped limit block, a pair of clamping lead screw modules, a pair of concave clamping limit blocks, a pair of limit discs, a pair of rotating clamping shafts, a pair of small rotating motors, a clamping positioning block, and a clamping hydraulic chuck;
[0044] The loop-shaped limit block is installed on the I-shaped rotating block 18. A pair of the clamping lead screw modules are relatively installed inside the loop-shaped limit block. A pair of concave clamping limit blocks are respectively installed on the moving ends of the pair of clamping lead screw modules. A pair of the limit discs are respectively movably inserted inside the pair of concave clamping limit blocks. A pair of the rotating clamping shafts are respectively inserted on the pair of limit discs. The clamping positioning block is installed on the pair of rotating clamping shafts. A pair of the small rotating motors are respectively installed inside the pair of concave clamping limit blocks, and the driving ends of the pair of small rotating motors are respectively connected to the pair of limit discs. The clamping hydraulic chucks are respectively installed on the clamping positioning blocks.
[0045] As a preferred solution, further, a number of ball grooves are respectively formed on the pair of concave clamping limit blocks, and moving balls are respectively arranged inside the number of ball grooves.
[0046] As a preferred solution, further, cooling and dust removal brackets are respectively arranged on the number of loading and transporting platforms 6 and the tool transporting platform 7, and cooling fans are respectively arranged on the number of cooling and dust removal brackets.
[0047] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Some possible changes made by those skilled in the art to some parts thereof all reflect the principles of the present invention and fall within the protection scope of the present invention.
Claims
1. A preparation system for cemented carbide cutting tools, comprising: a rough grinding machine tool, a finish grinding machine tool, a groove grinding machine tool, a tool passivation machine, an electroplater, several loading and transporting platforms, and a tool transporting platform, characterized in that the rough grinding machine tool, the finish grinding machine tool, the groove grinding machine tool, and the tool passivation machine are installed on the side wall of the tool transporting platform, raw material positioning and transporting structures are respectively installed on several of the loading and transporting platforms and the tool transporting platform, a conversion and handling structure is installed on the tool transporting platform, loading and handling structures are arranged on the rough grinding machine tool, the finish grinding machine tool, and the groove grinding machine tool, a ring loading structure is installed on the tool passivation machine, and the electroplater is installed on the tool transporting platform; The ring loading structure includes: a passivation loading inner support, a passivation loading outer support, a passivation inner concave slideway, a passivation outer concave slideway, a convex ring moving block, a ring helical gear bar, a passivation loading drive, a passivation drive helical gear, a passivation outer concave box, two pairs of passivation hydraulic push rods, an I-shaped rotating block, a loop passivation limiting block, several lifting passivation limiting shafts, a passivation drive, a passivation drive gear, a passivation transmission gear bar, and a clamping component; The passivation loading inner support and the passivation loading outer support are installed on the tool passivation machine, the passivation inner concave slideway is installed on the passivation loading inner support, the passivation outer concave slideway is installed on the passivation loading outer support, the convex ring moving block is inserted into the inner sides of the passivation inner concave slideway and the passivation outer concave slideway, the ring helical gear bar is installed on the convex ring moving block, the passivation loading drive is installed on the passivation loading outer support, the passivation drive helical gear is installed on the driving end of the passivation loading drive, and the passivation drive helical gear is in gear engagement with the ring helical gear bar, the passivation outer concave box is installed on the convex ring moving block, two pairs of the passivation hydraulic push rods are installed in parallel on the inner side of the passivation outer concave box, the loop passivation limiting block is installed on the pushing ends of the two pairs of passivation hydraulic push rods, the I-shaped rotating block is installed on the loop passivation limiting block through a bearing, several of the lifting passivation limiting shafts are inserted into the passivation outer concave box and the loop passivation limiting block, the passivation drive is installed on the loop passivation limiting block, the passivation transmission gear bar is installed on the I-shaped rotating block, the passivation drive gear is installed on the driving end of the passivation drive, and the passivation drive gear is in gear engagement with the passivation transmission gear bar, and the clamping component is installed on the I-shaped rotating block.
2. A preparation system for cemented carbide cutting tools according to claim 1, characterized in that the raw material positioning and transporting structure includes: several transporting discs, several transporting limiting shafts, several transporting tooth-mounted pieces, several transporting shafts, several transporting drives, several transporting sprockets, several transporting chains, and several limiting barrels; A pair of concave transport grooves are respectively formed in each of the plurality of the loading and transporting platforms and the tool transporting platforms. Each of the plurality of transport shafts is inserted into the inner side of each of the concave transport grooves. Each of the plurality of transport discs is mounted on each of the plurality of transport shafts. Each of the plurality of transport discs is provided with a concave transport U-shaped groove. Each of the plurality of transport tooth plates is cross-connected through a plurality of transport limit shafts. Each of the plurality of transport limit shafts is movably inserted into the inner side of each of the concave transport U-shaped grooves. Each of the plurality of transport driving motors is mounted on each of the loading and transporting platforms and the tool transporting platforms. Each of the plurality of transport sprockets is mounted on each of the plurality of transport shafts and the driving ends of each of the plurality of transport driving motors. Each of the plurality of transport chains is sleeved on each of the plurality of transport sprockets. Each of the plurality of limit barrels is inserted into each of the plurality of transport tooth plates.
3. The preparation system of a cemented carbide tool according to claim 2, characterized in that, the conversion and handling structure includes: a plurality of conversion brackets, a plurality of vertical and horizontal lead screw modules, a plurality of conversion hydraulic push rods, and a plurality of handling hydraulic chucks; The plurality of conversion brackets are respectively mounted on the rough machining and grinding machine tool, the finish machining and grinding machine tool, the groove grinding machine tool, the tool passivation machine, the plurality of loading and transporting platforms, and the tool transporting platforms. The plurality of vertical and horizontal lead screw modules are respectively mounted on the plurality of conversion brackets. The plurality of conversion hydraulic push rods are respectively mounted on the moving ends of the plurality of vertical and horizontal lead screw modules. The plurality of handling hydraulic chucks are respectively mounted on the pushing ends of the plurality of conversion hydraulic push rods.
4. The preparation system of a cemented carbide tool according to claim 3, characterized in that, the loading and handling structure includes: three U-shaped protective loading pipes, three pairs of handling lead screw modules, three L-shaped plates, three shielding concave plates, three concave handling bearing blocks, three handling sleeves, three pairs of rotating shafts, three handling hydraulic cylinders, three handling claws, three horizontal transmission bevel gears, three horizontal driving bevel gears, three horizontal driving motors, and three vertical driving motors; The three U-shaped protective loading pipes are respectively inserted into the rough machining and grinding machine tool, the finish machining and grinding machine tool, and the groove grinding machine tool. The three U-shaped protective loading pipes are respectively provided with handling ports. The three pairs of handling lead screw modules are respectively horizontally and parallelly installed inside the three U-shaped protective loading pipes. The three L-shaped plates are respectively installed on the moving ends of the three pairs of handling lead screw modules. The three shielding concave plates are respectively installed on the three L-shaped plates. The three concave handling bearing blocks are respectively inserted through bearings on the three L-shaped plates. The three horizontal driving helical gears are respectively installed on the three concave handling bearing blocks. The three horizontal driving motors are respectively installed on the three L-shaped plates. The three horizontal driving helical gears are respectively installed on the driving ends of the three horizontal driving motors, and the three horizontal driving helical gears are respectively in gear meshing with the three horizontal driving helical gears. The three pairs of rotating shafts are respectively inserted into the three handling sleeves, and the three pairs of rotating shafts are respectively inserted into the three concave handling bearing blocks. The three handling hydraulic cylinders are respectively installed inside the three handling sleeves. The three handling jaws are respectively installed on the pushing ends of the three handling hydraulic cylinders. The three vertical driving motors are respectively installed on the three concave handling bearing blocks, and the three vertical driving motors are respectively connected to the three rotating shafts.
5. The preparation system of a cemented carbide cutting tool according to claim 4, characterized in that the clamping component includes: a U-shaped limiting block, a pair of clamping lead screw modules, a pair of concave clamping limiting blocks, a pair of limiting discs, a pair of rotating clamping shafts, a pair of small rotating motors, a clamping positioning block, and a clamping hydraulic chuck; The U-shaped limiting block is installed on the I-shaped rotating block. The pair of clamping lead screw modules are oppositely installed inside the U-shaped limiting block. The pair of concave clamping limiting blocks are respectively installed on the moving ends of the pair of clamping lead screw modules. The pair of limiting discs are respectively movably inserted inside the pair of concave clamping limiting blocks. The pair of rotating clamping shafts are respectively inserted into the pair of limiting discs. The clamping positioning block is installed on the pair of rotating clamping shafts. The pair of small rotating motors are respectively installed inside the pair of concave clamping limiting blocks, and the driving ends of the pair of small rotating motors are respectively connected to the pair of limiting discs. The clamping hydraulic chucks are respectively installed on the clamping positioning blocks.
6. The preparation system of a cemented carbide cutting tool according to claim 5, characterized in that a plurality of ball grooves are respectively provided on the pair of concave clamping limiting blocks, and moving balls are respectively arranged inside the plurality of ball grooves.
7. The preparation system of a cemented carbide cutting tool according to claim 6, characterized in that cooling and dust removal brackets are respectively arranged on the plurality of loading and transporting platforms and the tool transporting platforms, and cooling fans are respectively arranged on the plurality of cooling and dust removal brackets.
8. A method for preparing a cemented carbide cutting tool using the preparation system of the cemented carbide cutting tool according to claim 1, comprising the following operating steps: Step S1, pre-treatment and blanking; Step S2, rough machining and grinding; Step S3, finish machining and grinding; Step S4, cutting tool grooving ; Step S5, cutting tool passivation; Step S6, electroplating; Step S1: Cut the raw materials, and evenly draw the cut raw materials into the inner sides of a number of limit barrels; Step S2: Rough machine the raw materials through a rough machining and grinding machine tool; Step S3: Finish machine the raw materials after rough machining through a finish machining and grinding machine tool; Step S4: Groove the raw materials after finish machining through a grooving machine tool, and perform five-axis machining to achieve grinding of the shaft; Step S5: Sand-passivate the formed cutting tool; Step S6: Electroplate a protective layer on the passivated cutting tool.
9. According to the method for preparing a cemented carbide cutting tool described in claim 8, characterized in that, in Steps S1-S6, through the cooperation of the raw material positioning and transportation structure and the rotating handling structure, the raw materials are sequentially transported between the rough machining and grinding machine tool, the finish machining and grinding machine tool, the grooving machine tool, the cutting tool passivation machine and the electroplater, and at the same time, the raw materials in a number of limit barrels are respectively and sequentially transported into the inner sides of the rough machining and grinding machine tool, the finish machining and grinding machine tool, the grooving machine tool and the cutting tool passivation machine through the ring loading structure and the loading and handling structure.
10. According to the method for preparing a cemented carbide cutting tool described in claim 9, characterized in that, the lifting of the electroplater electroplates the raw materials in a number of limit barrels.
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