Raw material rod cutting device for output shaft forging

Abstract

The utility model relates to a raw material rod cutting device for output shaft forging, and belongs to the technical field of metal sawing, the raw material rod cutting device comprises a workbench, a clamping mechanism and a saw blade mechanism, the clamping mechanism and the saw blade mechanism are installed on the workbench, and the saw blade mechanism comprises a saw blade frame, a driving wheel disc, a driven wheel disc, a trephine, a motor, a scrap removing assembly, two pressing roller sets and two hydraulic cylinders; the two hydraulic cylinders are vertically fixed to the workbench, and the saw blade frame is driven by the two hydraulic cylinders to ascend and descend. The trephine is adopted for cutting, the cutting effect is good, the service life of the trephine is long, the production cost can be saved, meanwhile, the scrap removing assembly is arranged beside the trephine, in the cutting process, a steel wire roller head in the scrap removing assembly can sweep saw dust attached to the trephine down, the saw dust is prevented from being wound on a saw blade, and the cutting efficiency is improved. Therefore, the cutting efficiency and the cutting precision can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of metal sawing, and in particular to a raw material rod cutting device for output shaft forging. Background Art

[0002] The existing reducer output shaft includes a circular portion and a shaft body. When the circular portion is produced and forged, a cylindrical raw material rod is generally cut to a fixed length using a metal sawing machine.

[0003] Affected by the natural frequency of the cutting material, the cutting of the band saw blade in the metal sawing machine will produce saw dust. The long saw dust will bend after cooling and easily wrap around the saw blade, affecting the sawing of the saw teeth, resulting in a decrease in cutting efficiency and cutting accuracy.

[0004] Therefore, there is an urgent need to develop a cutting device with good cutting effect and high efficiency. Utility Model Content

[0005] The purpose of the present application is to provide a raw material rod cutting device for output shaft forging to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the present application provides a raw material bar cutting device for output shaft forging adopting the following technical solution:

[0007] A raw material rod cutting device for output shaft forging, comprising a workbench, a clamping mechanism and a saw blade mechanism installed on the workbench, the saw blade mechanism comprising a saw blade frame, a driving wheel disc, a driven wheel disc, a ring saw, a motor, a chip removal component, two groups of holding roller groups and two hydraulic cylinders, the two hydraulic cylinders are vertically fixed on the workbench, the saw blade frame is driven to rise and fall by the two hydraulic cylinders, and the saw blade frame is arranged in an inclined shape, a clearance groove is opened in the middle of the saw blade frame, a connecting block is fixed on the saw blade frame at the top of the clearance groove, the connecting block is arranged parallel to the workbench, the two holding roller groups are vertically symmetrically installed on the connecting block, the driving wheel disc, the driven wheel disc and the motor are all installed on the saw blade frame, the ring saw is installed on the driving wheel disc and the driven wheel disc, and the ring saw passes through the holding roller group, and the motor is used to drive the driving wheel disc to rotate;

[0008] The clamping mechanism comprises a linear guide rail slide and a stop block fixed on the workbench, the slide of the linear guide rail slide is equipped with a clamping block, and the clamping block and the stop block are both arranged in the yielding groove of the saw blade frame.

[0009] The holding roller assembly includes a mounting block fixed to the connecting block, a guide groove is provided at the bottom of the mounting block, a vertically arranged first roller is rotatably connected in the guide groove, and horizontally arranged second rollers are symmetrically arranged on both sides of the bottom of the mounting block, and a groove is provided on the surface of the first roller.

[0010] The chip removal assembly includes a rotating shaft, a wire roller head, a first bevel gear, a second bevel gear, a transmission rod and a flywheel disc. The rotating shaft and the transmission rod are both rotatably connected to the saw blade frame. The rotating shaft is arranged parallel to the workbench. The wire roller head is fixed on the rotating shaft and can contact the ring saw. The first bevel gear is fixed on the rotating shaft. The second bevel gear and the flywheel disc are both fixed on the transmission rod. The flywheel disc is driven by the motor. The second bevel gear is meshed with the first bevel gear.

[0011] Preferably, in order to facilitate replacement of the wire roller head, one end of the rotating shaft has a square mounting portion, a threaded groove is provided on the end surface of the square mounting portion, and a slot matching the square mounting portion is provided in the middle of the wire roller head.

[0012] Preferably, the diameter of the second helical bevel gear is greater than the diameter of the first helical bevel gear.

[0013] By adopting the above technical solution, the diameter of the second bevel gear is larger than the diameter of the first bevel gear. When rotating, the first bevel gear can obtain a faster rotation speed, so that the wire roller head rotates at a high speed, thereby improving the chip removal effect.

[0014] Preferably, in order to ensure a good cutting effect, a lubricating oil nozzle is also fixed on the connecting block.

[0015] To sum up, the present application includes at least one of the following beneficial technical effects: the raw material rod cutting device for output shaft forging adopts a ring saw for cutting, which has good cutting effect, and the service life of the ring saw is long, which can save production costs. At the same time, a chip removal component is arranged next to the ring saw. During the cutting process, the wire roller head in the chip removal component can sweep off the saw dust attached to the ring saw to prevent the saw dust from being entangled in the saw blade, thereby improving the cutting efficiency and cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0017] Figure 2 It is a schematic diagram of the structure of the embodiment of the present application from different viewing angles.

[0018] Figure 3 It is a schematic diagram of the structure of the pressure roller group used to reflect the embodiment of the present application.

[0019] Figure 4 It is a structural schematic diagram used to reflect the rotating shaft in the embodiment of the present application.

[0020] Explanation of the reference numerals: 1. workbench; 21. linear guide slide; 22. stop block; 23. clamping block; 31. saw blade frame; 311. clearance groove; 312. connecting block; 32. driving pulley; 33. driven pulley; 34. ring saw; 35. motor; 36. hydraulic cylinder; 4. chip removal assembly; 41. rotating shaft; 411. square mounting portion; 42. wire roller head; 43. first bevel gear; 44. second bevel gear; 45. transmission rod; 46. flywheel; 51. mounting block; 52. first roller; 53. second roller; 6. lubricating oil nozzle. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-4 This application is described in further detail.

[0022] The present application embodiment discloses a raw material bar cutting device for output shaft forging, referring to Figure 1-4 , including a workbench 1, a clamping mechanism and a saw blade mechanism installed on the workbench 1, the saw blade mechanism including a saw blade frame 31, a driving wheel disc 32, a driven wheel disc 33, a ring saw 34, a motor 35, a chip removal component 4, two groups of holding roller groups and two hydraulic cylinders 36, the two hydraulic cylinders 36 are vertically fixed on the workbench 1, the saw blade frame 31 is driven to rise and fall by the two hydraulic cylinders 36, and the saw blade frame 31 is arranged in an inclined shape, a clearance groove 311 is opened in the middle of the saw blade frame 31, a connecting block 312 is fixed on the saw blade frame 31 at the top of the clearance groove 311, the connecting block 312 is arranged parallel to the workbench 1, two holding roller groups are vertically symmetrically installed on the connecting block 312, the driving wheel disc 32, the driven wheel disc 33 and the motor 35 are all installed on the saw blade frame 31, the ring saw 34 is installed on the driving wheel disc 32 and the driven wheel disc 33, and the ring saw 34 passes through the holding roller group, and the motor 35 is used to drive the driving wheel disc 32 to rotate;

[0023] The holding roller assembly includes a mounting block 51 fixed to the connecting block 312, a guide groove is provided at the bottom of the mounting block 51, a vertically arranged first roller 52 is rotatably connected in the guide groove, and horizontally arranged second rollers 53 are symmetrically provided on both sides of the bottom of the mounting block 51, and a groove is provided on the surface of the first roller 52;

[0024] The clamping mechanism includes a linear guide slide 21 and a stop block 22 fixed on the workbench 1, a clamping block 23 is installed on the slide of the linear guide slide 21, and the clamping block 23 and the stop block 22 are both arranged in the clearance groove 311 of the saw blade frame 31;

[0025] A lubricating oil nozzle 6 is also fixed on the connecting block 312 .

[0026] Reference Figure 1 and Figure 2The chip removal assembly 4 includes a rotating shaft 41, a wire roller head 42, a first bevel gear 43, a second bevel gear 44, a transmission rod 45 and a flywheel disc 46. The rotating shaft 41 and the transmission rod 45 are both rotatably connected to the saw blade frame 31. The rotating shaft 41 is arranged parallel to the workbench 1. The wire roller head 42 is fixed on the rotating shaft 41, and the wire roller head 42 can contact the ring saw 34. The first bevel gear 43 is fixed on the rotating shaft 41. The second bevel gear 44 and the flywheel disc 46 are both fixed on the transmission rod 45. The flywheel disc 46 is driven by the motor 35. The second bevel gear 44 is meshed with the first bevel gear 43. The diameter of the second bevel gear 44 is larger than the diameter of the first bevel gear 43.

[0027] Reference Figure 1 and Figure 4 In order to facilitate the replacement of the wire roller head, a square mounting portion 411 is provided at one end of the rotating shaft 41 , a thread groove is provided on the end surface of the square mounting portion 411 , and a slot matching the square mounting portion 411 is provided in the middle of the wire roller head 42 .

[0028] The implementation principle of a raw material bar cutting device for output shaft forging in the embodiment of the present application is as follows:

[0029] The linear guide slide 21 in the clamping mechanism drives the clamping block 23 to press the raw material rod against the stop block 22, and the hydraulic cylinder 36 drives the saw blade frame 31 to move slowly downward. The motor 35 on the saw blade frame 31 drives the driving wheel 32 to rotate, and the driving wheel 32 drives the ring saw 34 to cut the raw material rod. During this process, the lubricating oil nozzle 6 sprays oil at the cutting position of the raw material rod. At the same time, the motor 35 also drives the chip removal component 4 to work. The motor 35 drives the transmission rod 45 to rotate through the flywheel 46, and the transmission rod 45 drives the first bevel gear 43 to rotate through the second bevel gear 44, thereby driving the wire roller head 42 to rotate. The wire roller head 42 can sweep off the sawdust attached to the ring saw 34 to prevent the sawdust from being entangled in the saw blade, thereby improving the cutting efficiency and cutting accuracy.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, principle and application direction of the present application should be included in the protection scope of the present application.

Claims

1. A raw material bar cutting device for output shaft forging, comprising a workbench (1), a clamping mechanism and a saw blade mechanism mounted on the workbench (1), characterized in that: The saw blade mechanism comprises a saw blade frame (31), a driving wheel disc (32), a driven wheel disc (33), a ring saw (34), a motor (35), a shavings removal assembly (4), two groups of pressing roller groups and two hydraulic cylinders (36). The two hydraulic cylinders (36) are vertically fixed on the workbench (1). The saw blade frame (31) is driven to rise and fall by the two hydraulic cylinders (36). The saw blade frame (31) is arranged in an inclined shape. A clearance groove (311) is provided in the middle of the saw blade frame (31). ) is fixed with a connecting block (312) on the top, the connecting block (312) is arranged parallel to the workbench (1), the two pressing roller groups are vertically symmetrically installed on the connecting block (312), the driving wheel disc (32), the driven wheel disc (33) and the motor (35) are all installed on the saw blade frame (31), the ring saw (34) is installed on the driving wheel disc (32) and the driven wheel disc (33), and the ring saw (34) passes through the pressing roller group, and the motor (35) is used to drive the driving wheel disc (32) to rotate. The clamping mechanism comprises a linear guide rail slide (21) and a stop block (22) fixed on the workbench (1); a clamping block (23) is installed on the slide of the linear guide rail slide (21); and the clamping block (23) and the stop block (22) are both arranged in a clearance groove (311) of a saw blade frame (31).

2. The raw material bar cutting device for output shaft forging according to claim 1, characterized in that: The holding roller assembly comprises a mounting block (51) fixed to a connecting block (312); a guide groove is provided at the bottom of the mounting block (51); a first roller (52) arranged vertically is rotatably connected in the guide groove; second rollers (53) arranged horizontally are symmetrically provided on both sides of the bottom of the mounting block (51); and a groove is provided on the surface of the first roller (52).

3. The raw material bar cutting device for output shaft forging according to claim 1, characterized in that: The chip removal assembly (4) comprises a rotating shaft (41), a wire roller head (42), a first bevel gear (43), a second bevel gear (44), a transmission rod (45) and a flywheel disc (46); the rotating shaft (41) and the transmission rod (45) are both rotatably connected to the saw blade frame (31); the rotating shaft (41) is arranged parallel to the workbench (1); the wire roller head (42) is fixed on the rotating shaft (41) and can contact the ring saw (34); the first bevel gear (43) is fixed on the rotating shaft (41); the second bevel gear (44) and the flywheel disc (46) are both fixed on the transmission rod (45); the flywheel disc (46) is driven by the motor (35); and the second bevel gear (44) is meshed with the first bevel gear (43).

4. The raw material bar cutting device for output shaft forging according to claim 3, characterized in that: One end of the rotating shaft (41) has a square mounting portion (411), the end surface of the square mounting portion (411) is provided with a thread groove, and the middle of the wire roller head (42) is provided with a slot matching the square mounting portion (411).

5. The raw material bar cutting device for output shaft forging according to claim 3, characterized in that: The diameter of the second bevel gear (44) is greater than the diameter of the first bevel gear (43).

6. The raw material bar cutting device for output shaft forging according to claim 1, characterized in that: A lubricating oil nozzle (6) is also fixed on the connecting block (312).

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