Five-axis linkage six-station interchange grinding machine

Abstract

The invention discloses a five-axis linkage six-station interchange grinding machine which comprises a machine frame, the machine frame is provided with a first driving device for driving a cutter handle mounting support to move along the X axis, and the machine frame is provided with a second driving device for driving an abrasive belt mounting base supporting frame to move along the Y axis. The abrasive belt installation base supporting frame is provided with a third driving device for driving the abrasive belt installation base to move along the Z axis, the abrasive belt installation base is provided with an A-axis gear motor for driving the A axis to rotate, and abrasive belt wheels are installed on the upper side and the lower side of the A axis. The feeding movement of the five linkage shafts X, Y, Z, A and C is controlled, the movement of the five shafts is matched to solve the problem of complex knife handle curved surface grinding, a thick abrasive belt and a thin abrasive belt are arranged, a plurality of stations are arranged, grinding and clamping are switched without shutdown, the clamping time is shortened, the working efficiency is improved, the labor intensity is reduced, thick and thin polishing and grinding are alternately carried out, and the number of times of clamping is reduced. The efficiency and the machine utilization rate are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of grinding machines, and particularly relates to a five-axis linkage six-station interchangeable grinding machine. Background Art

[0002] After the tool shank is processed, it often needs to be polished. When grinding, the tool shank needs to be fixed, and then a grinding wheel or abrasive belt is used for grinding. However, the existing grinding machines cannot grind complex curved surfaces of the tool shank, and manual grinding is required. When grinding coarsely and finely, the coarse and fine abrasive belts need to be replaced, which is inconvenient to use. At the same time, when clamping the tool, the machine needs to be stopped for operation, the clamping time is long, the work efficiency is low, the labor intensity is high, and the production cost is high, which is not conducive to mass production. Therefore, in order to avoid the disadvantages existing in the prior art, it is necessary to improve the prior art. Summary of the Invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a five-axis linkage six-station interchangeable grinding machine that is convenient to use and has high grinding efficiency.

[0004] The present invention is realized through the following technical solutions:

[0005] A five-axis linkage six-station interchangeable grinding machine includes a frame. A tool shank mounting bracket that moves along the X-axis is installed on the front side of the frame. The frame is equipped with a first driving device for driving the tool shank mounting bracket to move along the X-axis. A sanding belt mounting seat support that moves along the Y-axis is installed on the rear side of the frame. The frame is equipped with a second driving device for driving the sanding belt mounting seat support to move along the Y-axis. The sanding belt mounting seat support is provided with a sanding belt mounting seat that moves along the Z-axis. The sanding belt mounting seat support is equipped with a third driving device for driving the sanding belt mounting seat to move along the Z-axis. An A-axis is installed on the sanding belt mounting seat. The sanding belt mounting seat is equipped with an A-axis reduction motor for driving the A-axis to rotate. Sanding belt wheels are installed on both the upper and lower sides of the A-axis. Abrasive belts are installed on the sanding belt wheels. The A-axis is equipped with a sanding belt driving motor for driving the sanding belt wheels to rotate. A C-axis is installed on the tool shank mounting bracket. The C-axis includes a first swing shaft and a second swing shaft sleeved outside the first swing shaft. A rotary cylinder for driving the first swing shaft to rotate is provided on the left side of the tool shank mounting bracket. A rotary driving device for driving the second swing shaft to rotate is provided on the right side of the tool shank mounting bracket. A plurality of support columns are installed on both the first swing shaft and the second swing shaft. A rotating shaft is sleeved inside the support columns. The rotating shaft is connected to a tool shank mounting seat. A tool shank clamping cylinder is installed on the tool shank mounting seat. The tool shank mounting bracket is equipped with a rotating driving device for driving the rotating shaft to rotate.

[0006] Furthermore, the first driving device includes a first motor, the first motor is connected with a first screw rod, the bottom of the tool holder mounting bracket is provided with a first screw rod nut screwed with the first screw rod, the top of the machine frame is provided with a first slide rail extending along the X-axis, and the bottom of the tool holder mounting bracket is provided with a first slide block corresponding to the first slide rail.

[0007] Furthermore, the second driving device includes a second motor, the second motor is connected with a second screw rod, the bottom of the abrasive belt mounting seat support frame is provided with a second screw rod nut screwed with the second screw rod, the top of the machine frame is provided with a second slide rail extending along the Y-axis, and the bottom of the abrasive belt mounting seat support frame is provided with a second slide block corresponding to the second slide rail.

[0008] Furthermore, the third driving device includes a third motor, the third motor is connected with a third screw rod, the front side of the abrasive belt mounting seat support frame is provided with a third slide rail extending along the Z-axis, the third slide rail is slidably connected with a third slide block, a connecting plate is installed on the front side of the third slide block, the rear side of the connecting plate is provided with a third screw rod nut screwed with the third screw rod, and the abrasive belt mounting seat is installed on the front side of the connecting plate.

[0009] Furthermore, the rotary driving device includes a cylinder moving up and down, the top of the cylinder is connected with a rack, and the right side of the second swing shaft is provided with a gear meshing with the rack.

[0010] Furthermore, the right side of the tool holder mounting bracket is installed with a fourth slide rail extending along the Z-axis, and the rack is connected with a fourth slide block slidably connected with the fourth slide rail.

[0011] Furthermore, the rotation driving device includes a reduction motor, the motor shaft of the reduction motor is connected with a driving pulley, the tool holder mounting bracket is installed with a plurality of transmission shafts, the transmission shafts are connected with driven pulleys, the driving pulley is in transmission connection with the driven pulley through a belt, the transmission shaft is provided with a driving gear, and the rotating shaft is provided with a driven gear corresponding to the driving gear.

[0012] Furthermore, the support column is installed with a pressing cylinder extending to the rotating shaft.

[0013] Furthermore, six support columns are respectively installed on the first swing shaft and the second swing shaft.

[0014] Furthermore, a protective cover is covered on the top of the machine frame, a movable door is installed on the protective cover, and adjustable support feet are arranged at the bottom of the machine frame.

[0015] Compared with the prior art, in the present invention, a first driving device for driving the tool holder mounting bracket to move along the X-axis is mounted on the machine frame, a second driving device for driving the abrasive belt mounting seat support frame to move along the Y-axis is mounted on the machine frame, a third driving device for driving the abrasive belt mounting seat to move along the Z-axis is mounted on the abrasive belt mounting seat support frame, an A-axis reduction motor for driving the A-axis to rotate is mounted on the abrasive belt mounting seat, abrasive belt wheels are mounted on both the upper and lower sides of the A-axis, the C-axis includes a first swing shaft and a second swing shaft sleeved outside the first swing shaft, a plurality of support columns are mounted on both the first swing shaft and the second swing shaft, a rotating shaft is sleeved inside the support columns, the rotating shaft is connected with a tool holder mounting seat, and a rotating driving device for driving the rotating shaft to rotate is mounted on the tool holder mounting bracket, so that the operation of the grinding machine is stable. The numerical control system controls the feeding movement of five linkage axes, namely X, Y, Z, A, and C, through programming data and parameters. The movement coordination of the five axes solves the complex grinding of the tool holder curved surface. At the same time, a coarse and a fine abrasive belt process are set, and multiple workstations are arranged on the machine table to solve the problem of traditional multiple clamping of tools. Multiple workstations are responsible for clamping tools, and other multiple workstations are in the grinding tool path. After completion, the grinding and clamping are switched without stopping, and the coarse and fine abrasive belts are alternately polished, reducing the number of times of clamping the fixture, improving the efficiency and the utilization rate of the machine, shortening the clamping time, improving the work efficiency, improving the product quality, enhancing the market competitiveness of the product, being easy to operate, reducing the labor intensity, increasing the safety factor, improving the production efficiency, reducing the production cost, and being conducive to mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is a structural schematic diagram of a five-axis linkage and six-station interchangeable grinding machine of the present invention;

[0018] Figure 2 It is an exploded structural view of a five-axis linkage and six-station interchangeable grinding machine of the present invention;

[0019] Figure 3 It is a connection structural schematic diagram of a rotating driving device of the present invention;

[0020] Figure 4 is Figure 2 an enlarged view of part A;

[0021] Figure 5 is Figure 3 an enlarged view of part B.

[0022] In the figure: 1 - frame; 2 - tool holder mounting bracket; 3 - abrasive belt mounting seat support frame; 4 - abrasive belt mounting seat; 5 - A-axis; 6 - A-axis reduction motor; 7 - abrasive belt wheel; 8 - abrasive belt; 9 - abrasive belt drive motor; 10 - C-axis; 11 - first swing axis; 12 - second swing axis; 13 - rotary cylinder; 14 - support column; 15 - rotating shaft; 16 - tool holder mounting seat; 17 - tool holder clamping cylinder; 18 - first motor; 19 - first screw; 20 - first screw nut; 21 - first slide rail; 22 - first slide block; 23 - second motor; 24 - second screw; 25 - second screw nut; 26 - second slide rail; 27 - second slide block; 28 - third motor; 29 - third screw; 30 - third slide rail; 31 - third slide block; 32 - connecting plate; 33 - cylinder; 34 - rack; 35 - gear; 36 - fourth slide rail; 37 - fourth slide block; 38 - reduction motor; 39 - driving pulley; 40 - transmission shaft; 41 - driven pulley; 42 - belt; 43 - driving gear; 44 - driven gear; 45 - pressing cylinder; 46 - protective cover; 47 - movable door; 48 - adjustable support foot. Detailed implementation manner

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] As Figures 1 to 5A five-axis linkage six-station interchangeable grinding machine of the present invention is shown, which includes a frame 1. A tool holder mounting bracket 2 moving along the X-axis is installed on the front side of the frame 1. The frame 1 is equipped with a first driving device for driving the tool holder mounting bracket 2 to move along the X-axis. A sanding belt mounting seat support frame 3 moving along the Y-axis is installed on the rear side of the frame 1. The frame 1 is equipped with a second driving device for driving the sanding belt mounting seat support frame 3 to move along the Y-axis. A sanding belt mounting seat 4 moving along the Z-axis is installed on the sanding belt mounting seat support frame 3. The sanding belt mounting seat support frame 3 is equipped with a third driving device for driving the sanding belt mounting seat 4 to move along the Z-axis. An A-axis 5 is installed on the sanding belt mounting seat 4. The sanding belt mounting seat 4 is equipped with an A-axis reduction motor 6 for driving the A-axis 5 to rotate. Sanding belt wheels 7 are installed on both the upper and lower sides of the A-axis 5. A sanding belt 8 is installed on the sanding belt wheel 7. The A-axis 5 is equipped with a sanding belt driving motor 9 for driving the sanding belt wheel 7 to rotate. A C-axis 10 is installed on the tool holder mounting bracket 2. The C-axis 10 includes a first swing shaft 11 and a second swing shaft 12 sleeved outside the first swing shaft 11. A rotary cylinder 13 for driving the first swing shaft 11 to rotate is provided on the left side of the tool holder mounting bracket 2. A rotary driving device for driving the second swing shaft 12 to rotate is provided on the right side of the tool holder mounting bracket 2. A number of support columns 14 are installed on both the first swing shaft 11 and the second swing shaft 12. A rotating shaft 15 is sleeved inside the support column 14. The rotating shaft 15 is connected to a tool holder mounting seat 16. A tool holder clamping cylinder 17 is installed on the tool holder mounting seat 16. The tool holder mounting bracket 16 is equipped with a rotating driving device for driving the rotating shaft 15 to rotate. By the frame 1 being equipped with a first driving device for driving the tool holder mounting bracket 2 to move along the X-axis, the frame 1 being equipped with a second driving device for driving the sanding belt mounting seat support frame 3 to move along the Y-axis, the sanding belt mounting seat support frame 3 being equipped with a third driving device for driving the sanding belt mounting seat 4 to move along the Z-axis, the sanding belt mounting seat 4 being equipped with an A-axis reduction motor 6 for driving the A-axis 5 to rotate, sanding belt wheels 7 being installed on both the upper and lower sides of the A-axis 5, the C-axis 10 including a first swing shaft 11 and a second swing shaft 12 sleeved outside the first swing shaft 11, a number of support columns 14 being installed on both the first swing shaft 11 and the second swing shaft 12, a rotating shaft 15 being sleeved inside the support column 14, the rotating shaft 15 being connected to a tool holder mounting seat 16, and the tool holder mounting bracket 2 being equipped with a rotating driving device for driving the rotating shaft 15 to rotate, the operation of the grinding machine is stable. The five linkage axes of X, Y, Z, A, and C are controlled by the numerical control system through programming data and parameters for the feeding movement. The movement of the five axes cooperates to solve the complex grinding of the tool holder surface. At the same time, a coarse and a fine sanding belt process are set. Multiple stations are set on the machine to solve the problem of traditional multiple tool clamping. Multiple stations are responsible for clamping the tools, and multiple other stations are in the grinding tool path. After completion, the grinding and clamping are switched without stopping the machine, and the coarse and fine sanding are alternately polished, reducing the number of times of clamping the fixture, improving the efficiency and the utilization rate of the machine, shortening the clamping time, improving the work efficiency, improving the product quality, enhancing the market competitiveness of the product, being easy to operate, reducing the labor intensity, increasing the safety factor, improving the production efficiency, reducing the production cost, and being conducive to mass production.

[0025] The first driving device includes a first motor 18. The first motor 18 is connected with a first screw rod 19. A first screw rod nut 20 screwed with the first screw rod 19 is provided at the bottom of the tool holder mounting bracket 2. A first slide rail 21 extending along the X-axis is provided at the top of the frame 1. A first slide block 22 corresponding to the first slide rail 21 is provided at the bottom of the tool holder mounting bracket 2, making the tool holder mounting bracket 2 slide more stably along the X-axis and the feeding more stable.

[0026] The second driving device includes a second motor 23. The second motor 23 is connected with a second screw rod 24. A second screw rod nut 25 screwed with the second screw rod 24 is provided at the bottom of the abrasive belt mounting seat support frame 3. A second slide rail 26 extending along the Y-axis is provided at the top of the frame 1. A second slide block 27 corresponding to the second slide rail 26 is provided at the bottom of the abrasive belt mounting seat support frame 3, making the abrasive belt mounting seat support frame 3 slide more stably along the Y-axis and the feeding more stable.

[0027] The third driving device includes a third motor 28. The third motor 28 is connected with a third screw rod 29. A third slide rail 30 extending along the Z-axis is provided at the front side of the abrasive belt mounting seat support frame 3. A third slide block 31 is slidably connected to the third slide rail 30. A connecting plate 32 is installed at the front side of the third slide block 31. A third screw rod nut screwed with the third screw rod 29 is provided at the rear side of the connecting plate 32. The abrasive belt mounting seat 4 is installed at the front side of the connecting plate 32, making the abrasive belt mounting seat 4 slide more stably along the Z-axis and the feeding more stable.

[0028] The rotation driving device includes a cylinder 33 moving up and down. A rack 34 is connected to the top of the cylinder 33. A gear 35 meshing with the rack 34 is provided at the right side of the second swing shaft 12, making the rotation of the second swing shaft 12 controlled by the cylinder 33 driving the rack 34 and the gear 35, and the swing more stable.

[0029] A fourth slide rail 36 extending along the Z-axis is installed at the right side of the tool holder mounting bracket 2. The rack 34 is connected with a fourth slide block 37 slidably connected to the fourth slide rail 36, making the up and down movement of the rack 34 more stable.

[0030] The rotation driving device includes a reduction motor 38. A driving pulley 39 is connected to the motor shaft of the reduction motor 38. The tool holder mounting bracket 2 is provided with a plurality of transmission shafts 40. Driven pulleys 41 are connected to the transmission shafts 40. The driving pulley 38 is in transmission connection with the driven pulleys 41 through a belt 42. A driving gear 43 is provided on the transmission shaft 40. A driven gear 44 corresponding to the driving gear 43 is provided on the rotating shaft 15. The reduction motor 38 drives the transmission shaft 40 to rotate through the belt 42, and the transmission shaft 40 drives the rotating shaft 15 to rotate through the gears, realizing the automatic rotation of the tool holder and making the grinding of the tool holder surface more convenient.

[0031] The support column 14 is installed with a pressing cylinder 45 extending to the rotating shaft 15. When clamping the cutting tool, the pressing cylinder 45 presses the rotating shaft 15 to prevent the rotating shaft 15 from rotating, making the operation more convenient and safer.

[0032] As a specific implementation manner, six support columns 14 are respectively installed on the first swing shaft 11 and the second swing shaft 12 to achieve six workstations responsible for clamping the cutting tool, and the other six workstations are grinding the tool path, and the grinding and clamping are switched without stopping the machine.

[0033] The top of the machine frame 1 is covered with a protective cover 46, the protective cover 46 is installed with a movable door 47, and the bottom of the machine frame 1 is provided with adjustable support feet 48, which facilitates the movement, operation and maintenance of the grinding machine, and is safe and convenient to use.

[0034] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A five-axis linkage six-station interchangeable grinding machine, characterized in that: It includes a frame. A tool holder mounting bracket that moves along the X-axis is installed on the front side of the frame. The frame is equipped with a first driving device for driving the tool holder mounting bracket to move along the X-axis. A sanding belt mounting seat support frame that moves along the Y-axis is installed on the rear side of the frame. The frame is equipped with a second driving device for driving the sanding belt mounting seat support frame to move along the Y-axis. A sanding belt mounting seat that moves along the Z-axis is installed on the sanding belt mounting seat support frame. The sanding belt mounting seat support frame is equipped with a third driving device for driving the sanding belt mounting seat to move along the Z-axis. An A-axis is installed on the sanding belt mounting seat. The sanding belt mounting seat is equipped with an A-axis reduction motor for driving the A-axis to rotate. Sanding belt wheels are installed on both the upper and lower sides of the A-axis. A sanding belt is installed on the sanding belt wheels. The A-axis is equipped with a sanding belt driving motor for driving the sanding belt wheels to rotate. A C-axis is installed on the tool holder mounting bracket. The C-axis includes a first swing shaft and a second swing shaft sleeved outside the first swing shaft. A rotary cylinder for driving the first swing shaft to rotate is provided on the left side of the tool holder mounting bracket. A rotary driving device for driving the second swing shaft to rotate is provided on the right side of the tool holder mounting bracket. A number of support columns are installed on both the first swing shaft and the second swing shaft. A rotating shaft is sleeved inside the support columns. The rotating shaft is connected to a tool holder mounting seat. A tool holder clamping cylinder is installed on the tool holder mounting seat. The tool holder mounting bracket is equipped with a rotating driving device for driving the rotating shaft to rotate.

2. The five-axis linkage six-station interchangeable grinding machine according to claim 1, characterized in that: The first driving device includes a first motor. The first motor is connected to a first screw rod. A first screw rod nut that is screwed to the first screw rod is provided at the bottom of the tool holder mounting bracket. A first slide rail extending along the X-axis is provided at the top of the frame. A first slide seat corresponding to the first slide rail is provided at the bottom of the tool holder mounting bracket.

3. The five-axis linkage six-station interchangeable grinding machine according to claim 1, wherein: The second driving device includes a second motor. The second motor is connected to a second screw rod. A second screw rod nut that is screwed to the second screw rod is provided at the bottom of the sanding belt mounting seat support frame. A second slide rail extending along the Y-axis is provided at the top of the frame. A second slide seat corresponding to the second slide rail is provided at the bottom of the sanding belt mounting seat support frame.

4. The five-axis linkage six-station interchangeable grinding machine according to claim 1, characterized in that: The third driving device includes a third motor. The third motor is connected to a third screw rod. A third slide rail extending along the Z-axis is provided at the front side of the sanding belt mounting seat support frame. A third slide seat is slidably connected to the third slide rail. A connecting plate is installed on the front side of the third slide seat. A third screw rod nut that is screwed to the third screw rod is provided at the rear side of the connecting plate. The sanding belt mounting seat is installed on the front side of the connecting plate.

5. The five-axis linkage six-station interchangeable grinding machine according to claim 1, wherein: The rotary driving device includes a cylinder that moves up and down. A rack is connected to the top of the cylinder. A gear that meshes with the rack is provided on the right side of the second swing shaft.

6. The five-axis linkage six-station interchangeable grinding machine according to claim 5, wherein: A fourth slide rail extending along the Z-axis is installed on the right side of the tool holder mounting bracket. The rack is connected to a fourth slide seat that is slidably connected to the fourth slide rail.

7. The five-axis linkage six-station interchangeable grinding machine according to claim 1, characterized in that: The rotation driving device includes a reduction motor, a driving pulley is connected to the motor shaft of the reduction motor, a plurality of transmission shafts are installed on the tool holder mounting bracket, a driven pulley is connected to the transmission shaft, the driving pulley is in transmission connection with the driven pulley through a belt, a driving gear is provided on the transmission shaft, and a driven gear corresponding to the driving gear is provided on the rotating shaft.

8. The five-axis linkage six-station interchangeable grinding machine according to claim 1, wherein: A pressing cylinder extending to the rotating shaft is installed on the support column.

9. The five-axis linkage six-station interchangeable grinding machine according to claim 1, wherein: Six support columns are respectively installed on the first swing shaft and the second swing shaft.

10. The five-axis linkage six-station interchangeable grinding machine according to claim 1, wherein: A protective cover is provided on the top of the frame, a movable door is installed on the protective cover, and adjustable support feet are provided at the bottom of the frame.

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