A sawing device for ball screw forming processing

Abstract

The present invention relates to the technical field of sawing equipment, and provides a sawing device for ball screw forming processing, including a frame, a workbench and a sawing mechanism, the sawing mechanism including a mounting frame and a saw blade, the sawing mechanism also including a push-position rough grinding plate and a fine grinding worm wheel for graded grinding of both sides of the screw sawing part, the mounting frame is sequentially installed with a saw blade, a push-position rough grinding plate and a fine grinding worm wheel from bottom to top, a first motor is installed on the mounting frame, a worm is connected to the output shaft of the first motor, and the worm is simultaneously connected with a plurality of fine grinding worm wheels, a push-position inclined surface is provided at the lower front end of the push-position rough grinding plate, so that the sawing surface is flush with the front of both the push-position rough grinding plate and the fine grinding worm wheel, radial grooves are provided on both end faces of the fine grinding worm wheel, and an edge grinding plate is installed in the radial groove. The present invention directly performs all-round graded grinding on both sides of the cross section after sawing, and can process burrs and sharp changes, which is efficient and convenient.

Description

Technical Field

[0001] The invention relates to the technical field of sawing equipment, and in particular to a sawing device used for ball screw forming processing. Background Art

[0002] During the processing of ball screws, the raw materials need to be cut into specified lengths. The sawing device can achieve precise cutting of the raw materials in an automated or semi-automated manner. The sawing device can achieve fast and continuous cutting operations, significantly improving processing efficiency. In order to meet the high-precision requirements of screw processing, the saw blade must be kept stable and the speed must be uniform during the sawing process to avoid deformation of the steel or uneven sawing. After the sawing is completed, the sawing is trimmed and polished to remove burrs and sharp edges. At present, the ball screw raw material transfer, repositioning and clamping are required during trimming and polishing, which is inefficient. Summary of the invention

[0003] The object of the present invention is to provide a sawing device for ball screw forming processing, aiming to solve the problems mentioned in the background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: a sawing device for ball screw forming processing, comprising a frame, a workbench and a sawing mechanism, the sawing mechanism comprising a mounting frame and a saw blade, the sawing mechanism also comprising a push-position rough grinding plate and a fine grinding worm wheel for graded grinding of both sides of the screw sawing part, the mounting frame can perform lifting and lowering motion and horizontal reciprocating motion under the drive of the sawing mechanism, the saw blade, the push-position rough grinding plate and the fine grinding worm wheel are sequentially installed in the mounting frame from bottom to top, the back sides of the saw blade, the push-position rough grinding plate and the fine grinding worm wheel are located on the same vertical plane, and the push-position rough grinding plate and the fine grinding worm wheel are respectively arranged on the same vertical plane. The front faces of the coarse grinding plate and the fine grinding worm wheel are located on the same vertical plane, and several fine grinding worm wheels are linearly distributed in the horizontal direction. A first motor is installed on the mounting frame, and a worm is connected to the output shaft of the first motor. The worm is also connected with several fine grinding worm wheels at the same time. A pushing inclined surface is arranged at the lower end of the front face of the pushing coarse grinding plate, and the pushing inclined surface is used to push the sawed ball screw forward so that the sawed surface is flush with the front faces of the pushing coarse grinding plate and the fine grinding worm wheel. Radial grooves are arranged on both end faces of the fine grinding worm wheel, and edge grinding plates are installed in the radial grooves. The edge grinding plates are used to grind the outer cylindrical surface of the sawed portion.

[0005] As a further solution of the present invention, a plurality of first threaded holes are provided on the bottom surface of the radial groove, a first adjustment seat is slidingly connected in the radial groove, the first adjustment seat is fixedly connected to the edge grinding plate, a through hole is provided on the first adjustment seat, and the first adjustment seat is fixed in the radial groove by bolts.

[0006] As a further solution of the present invention, a fixing plate is connected to the top surface of the push-type rough grinding plate, a gap is provided on the side of the fine grinding worm wheel, and the fixing plate is inserted into the gap and is rotationally connected to the fine grinding worm wheel.

[0007] As a further solution of the present invention, the saw blade and the push-position rough grinding plate are both arranged horizontally, and abrasives are arranged on the front and back sides of the push-position rough grinding plate and the fine grinding worm wheel.

[0008] As a further solution of the present invention, the workbench is fixedly mounted on the frame, and a plurality of grooves are arranged on the surface of the workbench; a gap is arranged on the workbench, and the gap is located directly below the saw blade, and the spacing of the gap is greater than or equal to the axial length of the fine grinding worm wheel plus the protruding length of the two edge grinding plates.

[0009] As a further solution of the present invention, a clamping plate is provided above each of the grooves, the clamping plates are located on both sides of the gap, a second hydraulic cylinder is fixedly mounted on the frame, a lifting plate is connected to the telescopic end of the second hydraulic cylinder, and each clamping plate is connected to the lifting plate via a connecting rod.

[0010] As a further solution of the present invention, a pushing seat is arranged above the workbench, and a plurality of pushing plates are installed on the pushing seat, and the pushing plates are used to push the raw materials forward. A linear pushing assembly is installed on the frame, and the linear pushing assembly is used to linearly drive the pushing seat.

[0011] As a further solution of the present invention, the linear pushing assembly includes a third motor, a fixed seat and a guide shaft. The third motor and the guide shaft are fixed on the frame. The fixed seat is connected to the pushing seat. The fixed seat is provided with a threaded through hole and a guide through hole. The guide shaft passes through the guide through hole. A threaded rod is fixedly connected to the output shaft of the third motor, and the threaded rod is cooperatively connected to the threaded through hole. A plurality of guide through grooves are provided on the surface of the pushing seat, and a plurality of second threaded holes are provided on both sides of each guide through groove. A second adjusting seat is connected to the pushing plate, and the second adjusting seat can move along the guide through groove. The second adjusting seat is connected to the pushing seat by bolts.

[0012] As a further solution of the present invention, the sawing mechanism includes a first hydraulic cylinder, a second motor, a turntable and a lifting seat. The first hydraulic cylinder, the second motor and the turntable are all installed on the frame. The second motor is used to drive the turntable to rotate. The telescopic end of the first hydraulic cylinder is connected to the lifting seat. A horizontal guide rod is fixedly connected to the lifting seat. A guide sleeve is fixedly connected to the mounting frame. The guide sleeve is slidably connected to the horizontal guide rod. A movable rod is hinged at the edge of the turntable, and the movable rod is hinged to the mounting frame.

[0013] As a further solution of the present invention, the output shaft of the second motor is fixedly connected to a driving pulley, a driven pulley is rotatably mounted on the frame, the driven pulley is fixedly connected to the turntable via a rotating shaft, and the driving pulley is connected to the driven pulley via a belt.

[0014] In summary, the beneficial effects of the present invention are:

[0015] By setting a saw blade, a push-position rough grinding plate, a push-position bevel, an edge grinding plate and a fine grinding worm wheel, and making the backs of the saw blade, the push-position rough grinding plate and the fine grinding worm wheel be on the same vertical plane, and the fronts of the push-position rough grinding plate and the fine grinding worm wheel be on the same vertical plane, the push-position bevel can push the sawed ball screw forward, so that the sawed surface is flush with the surface of the push-position rough grinding plate and the fine grinding worm wheel, and the outer cylindrical surface of the sawed part is polished by the edge grinding plate. In this way, the present invention directly performs all-round graded grinding on both sides of the cross section after sawing, and can handle burrs and sharp changes, which is efficient and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a sawing device for ball screw forming processing according to an embodiment of the present invention Figure 1 .

[0018] Figure 2 A schematic diagram of the three-dimensional structure of a sawing device for ball screw forming processing according to an embodiment of the present invention Figure 2 .

[0019] Figure 3 A schematic diagram of the three-dimensional structure of a sawing device for ball screw forming processing according to an embodiment of the present invention Figure 3 .

[0020] Figure 4 It is a front structural schematic diagram of a sawing device used for ball screw forming processing according to an embodiment of the present invention.

[0021] Figure 5 for Figure 1 A local enlarged schematic diagram of point A in the middle.

[0022] Figure 6 for Figure 2 A local enlarged schematic diagram of point B in the middle.

[0023] Figure 7 for Figure 2 A partial enlarged schematic diagram of point C in the middle.

[0024] Figure 8 for Figure 3 A partial enlarged schematic diagram of point D in the middle.

[0025] Figure markings: 1-frame, 2-lifting seat, 3-horizontal guide rod, 4-guide sleeve, 5-mounting frame, 6-first hydraulic cylinder, 7-saw blade, 8-push rough grinding plate, 81-push inclined plane, 9-fine grinding worm wheel, 10-first motor, 11-worm, 12-second motor, 13-driven pulley, 14-turntable, 15-movable rod, 16-second hydraulic cylinder, 17-workbench, 171-gap, 172-groove, 18-lifting plate, 19-connecting rod, 20-pressing plate, 21-pushing seat, 22-threaded rod, 23-guide shaft, 24-third motor, 25-radial groove, 26-edging plate, 27-fixing plate, 28-gap, 29-first adjusting seat, 30-first threaded hole, 31-fixing seat, 32-push plate, 33-second adjusting seat, 34-second threaded hole, 35-guide through groove. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0028] See also Figures 1 to 6A sawing device for ball screw forming processing provided in an embodiment of the present invention includes a frame 1, a workbench 17 and a sawing mechanism. The sawing mechanism includes a mounting frame 5 and a saw blade 7. The saw blade 7 can perform horizontal reciprocating motion and lifting motion, thereby realizing the sawing work of the ball screw raw material. The sawing mechanism also includes a push-position rough grinding plate 8 and a fine grinding worm wheel 9 for graded grinding of both sides of the screw rod at the sawing point. The mounting frame 5 can perform lifting and lowering motion and horizontal reciprocating motion under the drive of the sawing mechanism. A saw blade 7, a push-position rough grinding plate 8 and a fine grinding worm wheel 9 are sequentially installed in the mounting frame 5 from bottom to top. The saw blade 7 and the push-position rough grinding plate 8 are fixedly installed, and the fine grinding worm wheel 9 is rotatably connected. The backs of the saw blade 7, the push-position rough grinding plate 8 and the fine grinding worm wheel 9 are located on the same vertical plane, and the fronts of the push-position rough grinding plate 8 and the fine grinding worm wheel 9 are located on the same vertical plane. Several fine grinding worm wheels 9 are linearly distributed in the horizontal direction. The embodiment of the present invention can realize the sawing of batches of ball screw raw materials and efficient grinding of the cross section. The mounting frame 5 is provided with a first motor 10, and a worm 11 is connected to the output shaft of the first motor 10. The worm 11 is also connected with a plurality of fine grinding worm wheels 9. The lower front end of the push rough grinding plate 8 is provided with a push inclined surface 81, and the push inclined surface 81 is used to push the sawed ball screw forward, so that the sawed surface is flush with the front of the push rough grinding plate 8 and the fine grinding worm wheel 9, which is convenient for precise grinding. The two end surfaces of the fine grinding worm wheel 9 are provided with radial grooves 25, and the radial grooves 25 are provided with edge grinding plates 26, and the edge grinding plates 26 are used to grind the outer cylindrical surface of the sawed part. In this way, the sawed surface can be graded and ground in all directions, and burrs and sharp changes can be processed. The initial position of the edge grinding plate 26 is at the upper end of its rotation path.

[0029] In the embodiment of the present invention, the bottom surface of the radial groove 25 is provided with a plurality of first threaded holes 30, a first adjustment seat 29 is slidably connected in the radial groove 25, the first adjustment seat 29 is fixedly connected to the edge grinding plate 26, a through hole is provided on the first adjustment seat 29, and the first adjustment seat 29 is fixed in the radial groove 25 by bolts. In this way, the rotation radius of the edge grinding plate 26 can be adjusted, which is suitable for ball screw materials of different specifications.

[0030] In the embodiment of the present invention, a fixing sheet 27 is connected to the top surface of the push-position rough grinding plate 8, and a slit 28 is provided on the side of the fine grinding worm wheel 9. The fixing sheet 27 is inserted into the slit 28 and is rotatably connected to the fine grinding worm wheel 9. The saw blade 7 and the push-position rough grinding plate 8 are both arranged horizontally, and abrasives are arranged on the front and back sides of the push-position rough grinding plate 8 and the fine grinding worm wheel 9. It is easy to understand that the abrasives on the surface of the fine grinding worm wheel 9 are finer than those on the surface of the push-position rough grinding plate 8.

[0031] See also Figures 1 to 7In the embodiment of the present invention, the workbench 17 is fixedly mounted on the frame 1, and a plurality of grooves 172 are provided on the surface of the workbench 17 to facilitate the processing of batches of ball screw raw materials; a gap 171 is provided on the workbench 17, and the gap 171 is located directly below the saw blade 7, and the spacing of the gap 171 is greater than or equal to the axial length of the fine grinding worm wheel 9 plus the protruding length of the two edge grinding plates 26, so that the gap 171 will not affect the grinding work.

[0032] In the embodiment of the present invention, a clamping plate 20 is arranged above each of the grooves 172, and the clamping plate 20 is located on both sides of the gap 171. A second hydraulic cylinder 16 is fixedly installed on the frame 1, and a lifting plate 18 is connected to the telescopic end of the second hydraulic cylinder 16. Each clamping plate 20 is connected to the lifting plate 18 through a connecting rod 19. During sawing and grinding, the clamping plate 20 will fix the ball screw raw material.

[0033] See also Figures 1 to 8 In the embodiment of the present invention, a push seat 21 is arranged above the workbench 17, and a plurality of push plates 32 are installed on the push seat 21. The push plates 32 are used to push the raw materials forward. A linear push assembly is installed on the frame 1, and the linear push assembly is used to linearly drive the push seat 21. The linear push assembly includes a third motor 24, a fixed seat 31 and a guide shaft 23. The third motor 24 and the guide shaft 23 are fixed on the frame 1. The fixed seat 31 is connected to the push seat 21. The fixed seat 31 is provided with a threaded through hole and a guide through hole. The guide shaft 23 passes through the guide through hole. The output shaft of the third motor 24 is fixedly connected with a threaded rod 22, and the threaded rod 22 is matched and connected with the threaded through hole. The surface of the push seat 21 is provided with a plurality of guide through grooves 35, and a plurality of second threaded holes 34 are provided on both sides of each guide through groove 35. A second adjustment seat 33 is connected to the push plate 32. The second adjustment seat 33 can move along the guide through groove 35. The second adjustment seat 33 is connected to the push seat 21 by bolts. In this way, after each section of the raw material is sawed, it can be automatically pushed forward to saw the next section, which is more convenient. In addition, ball screw raw materials of different specifications or the same specifications but different lengths can be pushed in batches, which is efficient and convenient.

[0034] In the embodiment of the present invention, the sawing mechanism includes a first hydraulic cylinder 6, a second motor 12, a turntable 14 and a lifting seat 2. The first hydraulic cylinder 6, the second motor 12 and the turntable 14 are all installed on the frame 1. The second motor 12 is used to drive the turntable 14 to rotate. The telescopic end of the first hydraulic cylinder 6 is connected to the lifting seat 2. A horizontal guide rod 3 is fixedly connected to the lifting seat 2. A guide sleeve 4 is fixedly connected to the mounting frame 5. The guide sleeve 4 is connected to the horizontal guide rod 3 in a sliding manner. A movable rod 15 is hinged at the edge of the turntable 14, and the movable rod 15 is hinged to the mounting frame 5. The output shaft of the second motor 12 is fixedly connected to a driving pulley. A driven pulley 13 is rotatably installed on the frame 1. The driven pulley 13 is fixedly connected to the turntable 14 through a rotating shaft, and the driving pulley is connected to the driven pulley 13 through a belt. When the second motor 12 is started, the mounting frame 5 will perform reciprocating linear motion under the action of the turntable 14 and the movable rod 15.

[0035] The working process of the embodiment of the present invention is as follows: when in use, a batch of ball screw raw materials are placed on the workbench 17, and are pushed to the sawing position by the push plate 32, and then the lifting plate 18 is started so that the ball screw raw materials are fixed by the clamping plate 20; then the first hydraulic cylinder 6 and the second motor 12 are started, and the saw blade 7 descends while cutting the raw materials. After cutting, the clamping plate 20 is loosened, and the mounting frame 5 continues to descend. The sawn raw materials move forward under the action of the pushing inclined surface 81, and then the clamping plate 20 fixes the raw materials again, and the rough grinding plate 8 is pushed to perform preliminary grinding on the sawn surface. After preliminary grinding, the second motor 12 is turned off, and when the edge grinding plate 26 contacts the raw materials, the first hydraulic cylinder 6 is turned off, and then the first motor 10 is started, and under the joint action of the fine grinding worm gear 9 and the edge grinding plate 26, the all-round grinding of the sawn surface is completed.

[0036] For those skilled in the art, although several embodiments and examples of the present invention are described, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other ways, and various omissions, substitutions, and changes can be made without departing from the scope of the subject matter of the invention. These embodiments and their variations are included in the scope and subject matter of the invention, and are included in the invention described in the claims and the scope of their equivalents.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A sawing device for ball screw forming processing, comprising a frame (1), a workbench (17) and a sawing mechanism, wherein the sawing mechanism comprises a mounting frame (5) and a saw blade (7), characterized in that: The sawing mechanism also includes a push-position rough grinding plate (8) and a fine grinding worm wheel (9) for performing graded grinding on both sides of the screw rod at the sawing position. The mounting frame (5) can perform lifting and horizontal reciprocating motion under the drive of the sawing mechanism. The mounting frame (5) is sequentially mounted with a saw blade (7), a push-position rough grinding plate (8) and a fine grinding worm wheel (9) from bottom to top. The backs of the saw blade (7), the push-position rough grinding plate (8) and the fine grinding worm wheel (9) are located on the same vertical plane. The front faces of the grinding plate (8) and the fine grinding worm wheel (9) are located on the same vertical plane, and a plurality of fine grinding worm wheels (9) are linearly distributed in the horizontal direction. A first motor (10) is installed on the mounting frame (5), and a worm (11) is connected to the output shaft of the first motor (10). The worm (11) is simultaneously connected to the plurality of fine grinding worm wheels (9). A push-position inclined surface (81) is provided at the lower end of the front face of the push-position rough grinding plate (8), and the push-position inclined surface (81) is used to push the sawed ball screw forward. The sawing mechanism comprises a first hydraulic cylinder (6), a second motor (12), a rotating disk (14) and a lifting seat (2), wherein the first hydraulic cylinder (6), the second motor (12) and the rotating disk (14) are arranged on the two end surfaces of the rough grinding plate (8) and the fine grinding worm wheel (9), and the radial grooves (25) are provided with edge grinding plates (26) in the radial grooves (25). The edge grinding plates (26) are used to grind the outer cylindrical surface of the sawing part. The sawing mechanism comprises a first hydraulic cylinder (6), a second motor (12), a rotating disk (14) and a lifting seat (2), wherein the first hydraulic cylinder (6), the second motor (12) and the rotating disk (14) are arranged on the two end surfaces of the fine grinding worm wheel (9). 14) are mounted on the frame (1), the second motor (12) is used to drive the turntable (14) to rotate, the telescopic end of the first hydraulic cylinder (6) is connected to the lifting seat (2), a horizontal guide rod (3) is fixedly connected to the lifting seat (2), a guide sleeve (4) is fixedly connected to the mounting frame (5), the guide sleeve (4) is slidably connected to the horizontal guide rod (3), a movable rod (15) is hinged at the edge of the turntable (14), and the movable rod (15) is hinged to the mounting frame (5).

2. The sawing device for ball screw forming processing according to claim 1, characterized in that: The bottom surface of the radial groove (25) is provided with a plurality of first threaded holes (30), a first adjustment seat (29) is slidably connected in the radial groove (25), the first adjustment seat (29) is fixedly connected to the edge grinding plate (26), a through hole is provided on the first adjustment seat (29), and the first adjustment seat (29) is fixed in the radial groove (25) by bolts.

3. The sawing device for ball screw forming processing according to claim 1, characterized in that: A fixing plate (27) is connected to the top surface of the push-in rough grinding plate (8), a gap (28) is provided on the side of the fine grinding worm wheel (9), and the fixing plate (27) is inserted into the gap (28) and is rotationally connected to the fine grinding worm wheel (9).

4. The sawing device for ball screw forming processing according to claim 1, characterized in that: The saw blade (7) and the push-position rough grinding plate (8) are both arranged horizontally, and abrasives are arranged on the front and back sides of the push-position rough grinding plate (8) and the fine grinding worm wheel (9).

5. The sawing device for ball screw forming processing according to claim 1, characterized in that: The workbench (17) is fixedly mounted on the frame (1), and a plurality of grooves (172) are arranged on the surface of the workbench (17); a gap (171) is arranged on the workbench (17), and the gap (171) is located directly below the saw blade (7), and the spacing of the gap (171) is greater than or equal to the axial length of the fine grinding worm wheel (9) plus the protruding length of the two edge grinding plates (26).

6. The sawing device for ball screw forming processing according to claim 5, characterized in that: A clamping plate (20) is provided above each of the grooves (172), and the clamping plates (20) are located on both sides of the gap (171). A second hydraulic cylinder (16) is fixedly mounted on the frame (1), and a lifting plate (18) is connected to the telescopic end of the second hydraulic cylinder (16), and each clamping plate (20) is connected to the lifting plate (18) via a connecting rod (19).

7. The sawing device for ball screw forming processing according to claim 1, characterized in that: A pushing seat (21) is arranged above the workbench (17), and a plurality of pushing plates (32) are installed on the pushing seat (21). The pushing plates (32) are used to push the raw materials forward. A linear pushing assembly is installed on the frame (1), and the linear pushing assembly is used to linearly drive the pushing seat (21).

8. The sawing device for ball screw forming processing according to claim 7, characterized in that: The linear pushing assembly comprises a third motor (24), a fixing seat (31) and a guide shaft (23); the third motor (24) and the guide shaft (23) are fixed on the frame (1); the fixing seat (31) is connected to the pushing seat (21); a threaded through hole and a guide through hole are provided on the fixing seat (31); the guide shaft (23) passes through the guide through hole; a threaded rod (22) is fixedly connected to the output shaft of the third motor (24); the threaded rod (22) is matched and connected to the threaded through hole; a plurality of guide through grooves (35) are provided on the surface of the pushing seat (21); a plurality of second threaded holes (34) are provided on both sides of each guide through groove (35); a second adjusting seat (33) is connected to the pushing plate (32); the second adjusting seat (33) can move along the guide through groove (35); and the second adjusting seat (33) is connected to the pushing seat (21) by bolts.

9. The sawing device for ball screw forming processing according to claim 1, characterized in that: The output shaft of the second motor (12) is fixedly connected to a driving pulley, a driven pulley (13) is rotatably mounted on the frame (1), the driven pulley (13) is fixedly connected to the rotating disk (14) via a rotating shaft, and the driving pulley and the driven pulley (13) are connected via a belt.

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