CN111069462B - Split type bearing bush workpiece arc degree shaping equipment - Google Patents
Split type bearing bush workpiece arc degree shaping equipment Download PDFInfo
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- CN111069462B CN111069462B CN201911407139.7A CN201911407139A CN111069462B CN 111069462 B CN111069462 B CN 111069462B CN 201911407139 A CN201911407139 A CN 201911407139A CN 111069462 B CN111069462 B CN 111069462B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
- B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/026—Combination of two or more feeding devices provided for in B21D43/04 - B21D43/18
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/12—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Forging (AREA)
Abstract
The invention relates to the field of bearing bush machining equipment, in particular to a split type bearing bush workpiece arc degree shaping device which comprises a second conveyor, a shaping mechanism and a power system, wherein the shaping mechanism is arranged in a transmission path of the second conveyor, the second conveyor and the shaping mechanism are in transmission connection with an output end of the power system, and a feeding area of the shaping mechanism is arranged on one side, facing the first conveyor, of the shaping mechanism; a first conveyor is arranged at the feeding end of the second conveyor, and a third conveyor is arranged at the discharging end of the second conveyor; the shaping mechanism comprises a first roll forging wheel and a second roll forging wheel, wherein the axes of the first roll forging wheel and the second roll forging wheel are positioned on the same vertical plane and are arranged in parallel up and down, and the projection of the gap between the first roll forging wheel and the second roll forging wheel on the vertical plane where the axes are positioned is matched with the axial section of the shaped bearing bush; the technical scheme solves the problem that the shaping of the bearing bush in the prior art depends on the extrusion of a mould, so that the efficiency is low.
Description
Technical Field
The invention relates to the field of bearing bush machining equipment, in particular to split type bearing bush workpiece arc degree shaping equipment.
Background
The bearing bush is a mechanical element used for supporting shaft parts and enabling bearing surfaces to slide relatively, and is widely applied to large mechanical equipment such as machine tools, motors, generators, internal combustion engines, steel rolling machinery, mining machinery and the like as a key basic part.
Chinese patent CN201710302001.5 discloses a motor bearing bush and a manufacturing method thereof, wherein the bearing bush is obtained by forging, rolling, machining and curling, and the specific procedures are as follows: heating the cast ingot to 1050 ℃ and preserving heat for 4 hours, then forging, wherein the forging starting temperature is 1050 ℃, the finish forging temperature is 870 ℃, heating the forged blank, the heating temperature is 1030 ℃, the cogging rolling adopts 6 passes, the pass relative reduction rate is controlled at 11%, the rolling speed is controlled at 10mm/s, the slab after cogging is preserved at 820 ℃, the heat preservation time is 4 hours, then the temperature is raised to 1050 ℃, the heat preservation time is controlled at 3 hours, then hot rolling is carried out on the slab, the hot rolling is carried out for 9 passes, the initial rolling pass relative reduction rate is 7%, the relative reduction rates of other passes are controlled at 15%, the rolling speed is controlled at 30mm/s, and the finish rolling temperature is 850 ℃; and air cooling to room temperature after rolling, machining the plate to form an oil groove and an oil hole, and curling the plate into a semicircle.
After the semicircular bearing bush is obtained according to the technical scheme, the semicircular bearing bush needs to be shaped, the fact that the radian of the semicircular bearing bush meets the quality requirement is guaranteed, and at present, no special equipment for shaping the radian of the semicircular bearing bush exists.
Disclosure of Invention
The invention aims to solve the technical problem of providing a split type bearing bush workpiece arc degree shaping device, and the technical scheme solves the problem that the shaping of a bearing bush in the prior art depends on die extrusion and is low in efficiency.
In order to solve the technical problems, the invention provides the following technical scheme:
a split type bearing bush workpiece arc degree shaping device comprises a second conveyor, a shaping mechanism and a power system, wherein the shaping mechanism is arranged in a transmission path of the second conveyor, the second conveyor and the shaping mechanism are in transmission connection with an output end of the power system, and a feeding area of the shaping mechanism is arranged on one side, facing the first conveyor, of the shaping mechanism; a first conveyor is arranged at the feeding end of the second conveyor, and a third conveyor is arranged at the discharging end of the second conveyor; the shaping mechanism comprises a first roll forging wheel and a second roll forging wheel, wherein the axes of the first roll forging wheel and the second roll forging wheel are positioned on the same vertical plane and are arranged in parallel up and down, and the projection of the gap between the first roll forging wheel and the second roll forging wheel on the vertical plane where the axes are positioned is matched with the axial section of the shaped bearing bush.
Preferably, the automatic feeding device further comprises a robot and a control system, wherein the control system comprises a sensor and an industrial computer, the robot and the sensor are fixedly mounted on the non-working part of the second conveyor, the working end of the robot is located right above the feeding area of the shaping mechanism, the working end of the sensor is located on two sides of the feeding area of the shaping mechanism, and the robot and the sensor are electrically connected with the industrial computer.
Preferably, the first conveyor comprises a first belt conveyor and guide plates fixedly arranged on two sides of the non-working part of the first belt conveyor, the guide plates comprise a first straight plate, an arc-shaped plate and a second straight plate which are sequentially arranged along the transmission direction of the bearing bush, the first straight plate, the arc-shaped plate and the second straight plate are integrated and are in smooth transition towards one surface of the first belt conveyor, and the distance between the first straight plates is larger than that between the second straight plates.
Preferably, the second conveyor comprises a workbench and a plurality of conveying rollers, the axes of the plurality of conveying rollers are arranged in parallel and are all located on the same horizontal plane, the conveying rollers are horizontally and rotatably installed on the workbench, the shaft parts of the conveying rollers are in transmission connection with the output end of the power system, and the projection of the outer circumferential surface of each conveying roller on the vertical surface is matched with the axial projection of the inner circumferential surface of each bearing bush.
Preferably, the second conveyer is still including a plurality of top location running rollers, the axis parallel arrangement of a plurality of top location running rollers is and all be located same horizontal plane, top location running roller is located the transmission running roller directly over, top location running roller is including first elastic support and third running roller, the non-work portion fixed connection of first elastic support and workstation, the third running roller is rotatably installed on first elastic support, the vertical setting of resilience direction of first elastic support, the third running roller level is horizontal, the distance in the vertical side in clearance between third running roller and the transmission running roller equals the thickness of axle bush.
Preferably, the second conveyer is still including a plurality of symmetries set up in the lateral part location running roller of workstation both sides, lie in the workstation with the vertical setting of axis of the lateral part location running roller of one side and lie in same vertical face, lateral part location running roller lies in the side of transmission running roller, lateral part location running roller is including second elastic support and fourth running roller, the non-work portion fixed connection of second elastic support and workstation, the fourth running roller is rotatably installed on second elastic support, the resilience direction level of second elastic support sets up or the axle center setting of slope orientation transmission running roller, the minimum clearance between fourth running roller and the transmission running roller equals the thickness of axle bush.
Preferably, the robot comprises a self-resetting linear sliding table, a first elastic connecting mechanism and a first linear driver, the automatic feeding device comprises a self-resetting linear upright post, a second linear driver and a manipulator, wherein the self-resetting linear sliding table and a first linear driver are fixedly connected with a non-working part of a second conveyor, the working directions of the self-resetting linear sliding table and the first linear driver are horizontally arranged, the output end of the first linear driver is fixedly connected with the working part of the self-resetting linear sliding table through a first elastic connecting mechanism, the self-resetting linear upright post is slidably connected with the working part of the self-resetting linear sliding table, the working direction of the self-resetting linear upright post is vertically arranged, the manipulator is fixedly installed on the working part of the self-resetting linear upright post, the working end of the manipulator is vertically downwards arranged and is positioned right above a feeding area, and the manipulator comprises a pressing plate and a pushing plate. Preferably, the self-resetting linear upright column comprises a second sleeve, a second sliding column, a first stop ring, a second stop ring, a third sleeve and a second spring, the second sleeve vertically penetrates through the working part of the self-resetting linear sliding table and is fixedly connected with the working part, the second sliding column is slidably mounted inside the second sleeve, the first stop ring and the second stop ring are respectively located on the upper side and the lower side of the second sleeve, the first stop ring is arranged at the top end of the second sliding column, the second stop ring is arranged at the bottom end of the second sliding column, the manipulator is fixedly mounted at the bottom end of the second sliding column, the third sleeve is fixedly connected with the first stop ring and is sleeved outside the second sleeve, the second spring is sleeved on the second sliding column, and two ends of the second spring are respectively abutted against the third sleeve and the working part of the self-resetting linear sliding table.
Preferably, the third conveyor comprises a second belt conveyor and side baffles fixedly arranged at two sides of the non-working part of the second belt conveyor, and the distance between the side baffles is larger than the diameter of the bearing bush.
Preferably, the power system comprises a servo motor, a first transmission shaft and a second transmission shaft, the first transmission shaft and the second transmission shaft are rotatably arranged on the workbench, an output shaft of the servo motor is in transmission connection with the first transmission shaft, all transmission rollers and second roll forging wheels are in transmission connection with the first transmission shaft, one of the transmission rollers is in transmission connection with the second transmission shaft, and the second transmission shaft is in transmission connection with the first roll forging wheel.
Compared with the prior art, the invention has the beneficial effects that:
the first conveyor is used for conveying the bearing bush to the second conveyor, the second conveyor is used for enabling the bearing bush to stably pass through the shaping mechanism, the shaping mechanism is used for carrying out arc degree shaping on the bearing bush, the third conveyor is used for moving the shaped bearing bush out of the production line, and the power system is used for providing working power for the second conveyor and the shaping mechanism; the shaping mechanism shapes the heat-treated bearing bush into a shape of projection of the gap between the first roll forging wheel and the second roll forging wheel on a vertical surface where the shaft part is located through the gap between the first roll forging wheel and the second roll forging wheel, so that the bearing bush can be continuously shaped, and the efficiency is high.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with the first and third conveyors removed;
FIG. 3 is a top view of the present invention with the first and third conveyors removed;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of a portion of FIG. 4 at D;
FIG. 6 is a sectional view taken along line B-B of FIG. 3;
FIG. 7 is a sectional view taken along line C-C of FIG. 3;
FIG. 8 is a perspective view of a linkage structure of a second conveyor, a shaping mechanism and a power system according to the present invention;
FIG. 9 is a perspective view of the first robot of the present invention;
FIG. 10 is a perspective view of the second robot of the present invention;
the reference numbers in the figures are:
1-a first conveyor; 1 a-a first belt conveyor; 1 b-a guide plate; 1b 1-first straight panel; 1b 2-arc plate; 1b 3-second straight panel;
2-a second conveyor; 2 a-a workbench; 2 b-a transmission roller; 2 c-top positioning roller; 2c1 — first elastic support; 2c 2-third roller; 2 d-side positioning rollers; 2d1 — second elastic support; 2d 2-fourth roller;
3-a robot; 3 a-self-resetting linear sliding table; 3a 1-moving plate; 3a 2-slide; 3a 3-tension gas spring; 3 b-a first elastic connection mechanism; 3b1 — first spool; 3b 2-first sleeve; 3b3 — first spring; 3 c-a first linear driver; 3 d-self-resetting linear upright; 3d1 — second sleeve; 3d2 — second spool; 3d3 — first stop ring; 3d4 — second stop ring; 3d5 — third sleeve; 3d6 — second spring; 3 e-a second linear drive; 3 f-a manipulator; 3f 1-platen; 3f 2-push plate;
4-a shaping mechanism; 4 a-a first roll forging wheel; 4 b-a second swage wheel;
5-a third conveyor; 5 a-a second belt conveyor; 5 b-side baffle;
6-a power system; 6 a-a servo motor; 6 b-a first drive shaft; 6 c-a second drive shaft; 7-sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A split type bearing bush workpiece arc degree shaping device is shown in figure 1 and comprises a second conveyor 2, a shaping mechanism 4 and a power system 6, wherein the shaping mechanism 4 is arranged in a transmission path of the second conveyor 2, the second conveyor 2 and the shaping mechanism 4 are in transmission connection with an output end of the power system 6, and a feeding area of the shaping mechanism 4 is arranged on one side, facing the first conveyor 1, of the shaping mechanism 4; a first conveyor 1 is arranged at the feeding end of the second conveyor 2, and a third conveyor 5 is arranged at the discharging end of the second conveyor 2; the shaping mechanism 4 comprises a first roll forging wheel 4a and a second roll forging wheel 4b, the axes of which are positioned on the same vertical plane and are arranged in parallel up and down, and the projection of the gap between the first roll forging wheel 4a and the second roll forging wheel 4b on the vertical plane where the axes are positioned is matched with the axial section of the shaped bearing bush.
The first conveyor 1 is used for conveying the bearing bush to the second conveyor 2, the second conveyor 2 is used for enabling the bearing bush to smoothly pass through the shaping mechanism 4, the shaping mechanism 4 is used for carrying out arc degree shaping on the bearing bush, the third conveyor 5 is used for moving the shaped bearing bush out of the production line, and the power system 6 is used for providing working power for the second conveyor 2 and the shaping mechanism 4; wherein, the shaping mechanism 4 shapes the heat-treated bearing bush into a shape of projection of the gap between the first forging roller 4a and the second forging roller 4b on a vertical surface where the shaft part is located through the gap between the first forging roller 4a and the second forging roller 4b, so that the bearing bush can be continuously shaped.
As shown in fig. 3, 4 and 5, the automatic feeding device further comprises a robot 3 and a control system, wherein the control system comprises a sensor 7 and an industrial computer, the robot 3 and the sensor 7 are both fixedly installed on a non-working part of the second conveyor 2, a working end of the robot 3 is located right above a feeding area of the shaping mechanism 4, a working end of the sensor 7 is located on two sides of the feeding area of the shaping mechanism 4, and the robot 3 and the sensor 7 are both electrically connected with the industrial computer.
The sensor 7 is used for sensing whether a bearing bush is arranged in a feeding area of the shaping mechanism 4 or not and is located at a position suitable for the robot 3 to work, the sensor 7 can be composed of a correlation type photoelectric switch, the sensor 7 senses that the bearing bush is arranged in the feeding area of the shaping mechanism 4, the sensor 7 sends a signal to the controller, the controller sends a working signal to the robot 3, and the robot 3 performs posture auxiliary adjustment on the bearing bush to be fed into the shaping mechanism 4 so as to enable the robot to keep a horizontal posture and insert the bearing bush into the shaping mechanism 4.
As shown in fig. 1, the first conveyor 1 includes a first belt conveyor 1a and guide plates 1b fixedly installed on both sides of a non-working portion of the first belt conveyor 1a, the guide plates 1b include a first straight plate 1b1, an arc plate 1b2 and a second straight plate 1b3 which are sequentially arranged along a bearing bush conveying direction, the first straight plate 1b1, the arc plate 1b2 and the second straight plate 1b3 are integrated and smoothly transited towards one surface of the first belt conveyor 1a, and a distance between the first straight plates 1b1 is greater than a distance between the second straight plates 1b 3.
The first belt conveyor 1a is used for horizontally conveying the bearing bush to the second conveyor 2, and the first straight plate 1b1, the arc-shaped plate 1b2 and the second straight plate 1b3 are used for adjusting the position of the bearing bush on the first belt conveyor 1a, so that the bearing bush is gradually moved to the middle of the first belt conveyor 1a, and the bearing bush can be more accurately conveyed to the feeding end of the second conveyor 2.
The second conveyor 2 comprises a workbench 2a and transmission rollers 2b, the axes of the transmission rollers 2b are arranged in parallel and are all located on the same horizontal plane, the transmission rollers 2b are horizontally and rotatably arranged on the workbench 2a, the shaft part of the transmission rollers 2b is in transmission connection with the output end of the power system 6, and the projection of the outer circumferential surface of the transmission rollers 2b on the vertical surface is matched with the axial projection of the inner circumferential surface of the bearing bush.
Bearing seats fixedly connected with the workbench 2a are installed at two ends of the transmission roller 2b, so that the transmission roller 2b can be rotatably and horizontally installed on the workbench 2a, the transmission roller 2b is driven to rotate through the power system 6, and the transmission roller 2b can drive the bearing bush positioned above the outer circumferential surface of the transmission roller 2b to move towards the shaping mechanism 4.
As shown in fig. 4 and 7, the second conveyor 2 further includes a plurality of top positioning rollers 2c, the axes of the plurality of top positioning rollers 2c are arranged in parallel and are all located on the same horizontal plane, the top positioning roller 2c is located right above the conveying roller 2b, the top positioning roller 2c includes a first elastic support 2c1 and a third roller 2c2, the first elastic support 2c1 is fixedly connected to the non-working portion of the workbench 2a, the third roller 2c2 is rotatably mounted on the first elastic support 2c1, the springback direction of the first elastic support 2c1 is vertically arranged, the third roller 2c2 is horizontally arranged, and the distance between the third roller 2c2 and the conveying roller 2b in the vertical direction is equal to the thickness of the bearing bush.
The first elastic bracket 2c1 is used for mounting the third roller 2c2, so that the third roller is horizontally arranged and suspended right above the transmission roller 2b, and meanwhile, the first elastic bracket 2c1 provides a vertical downward resilience force for the third roller 2c2, so that when the bearing bush is positioned between the third roller 2c2 and the transmission roller 2b, the third roller 2c2 can firmly press the top of the bearing bush on the transmission roller 2b, and the transmission roller 2b can obtain sufficient friction force to transmit the bearing bush.
As shown in fig. 7, the second conveyor 2 further includes a plurality of side positioning rollers 2d symmetrically disposed on two sides of the workbench 2a, the axes of the side positioning rollers 2d located on the same side of the workbench 2a are vertically disposed and located on the same vertical surface, the side positioning rollers 2d are located beside the conveying rollers 2b, the side positioning rollers 2d include a second elastic support 2d1 and a fourth roller 2d2, the second elastic support 2d1 is fixedly connected to the non-working portion of the workbench 2a, the fourth roller 2d2 is rotatably mounted on the second elastic support 2d1, the resilience direction of the second elastic support 2d1 is horizontally disposed or obliquely disposed toward the axis of the conveying roller 2b, and the minimum gap between the fourth roller 2d2 and the conveying roller 2b is equal to the thickness of the bearing bush.
The second elastic bracket 2d1 is used for mounting the fourth roller 2d2, so that the fourth roller is vertically or obliquely arranged and suspended at the side of the transmission roller 2b, and meanwhile, the second elastic bracket 2d1 provides resilience force to the fourth roller 2d2, wherein the resilience force moves horizontally or obliquely towards the direction of the transmission roller 2b, so that when the bearing bush is positioned between the fourth roller 2d2 and the transmission roller 2b, the fourth roller 2d2 can firmly press the side part of the bearing bush on the transmission roller 2b, and therefore the transmission roller 2b can obtain sufficient friction force to transmit the bearing bush;
the first elastic support 2c1 and the second elastic support 2d1 have the same structure, and each include a pair of bearing blocks, a pair of guide posts sleeved with a spring and a stop nut, and a guide sleeve sleeved outside the guide posts, the bearing blocks are fixedly connected with each other through rollers, the spring is used for driving the guide posts to move towards one direction along the axis of the guide sleeve, the nuts are used for limiting the maximum stroke of the guide posts, and the guide posts are used for guiding the moving track of the driven piece.
As shown in fig. 3, 4, 5, 9 and 10, the robot 3 includes a self-resetting linear sliding table 3a, a first elastic connecting mechanism 3b, a first linear driver 3c, a self-resetting linear upright 3d, a second linear driver 3e and a manipulator 3f, wherein the self-resetting linear sliding table 3a and the first linear driver 3c are both fixedly connected with the non-working part of the second conveyor 2, the working directions of the self-resetting linear sliding table 3a and the first linear driver 3c are both horizontally arranged, the output end of the first linear driver 3c is fixedly connected with the working part of the self-resetting linear sliding table 3a through the first elastic connecting mechanism 3b, the self-resetting linear upright 3d is slidably connected with the working part of the self-resetting linear sliding table 3a, the working direction of the self-resetting linear upright 3d is vertically arranged, the manipulator 3f is fixedly installed on the working part of the self-resetting linear upright 3d, the working end of the manipulator 3f is vertically arranged downwards and is positioned right above the feeding area, and the manipulator 3f comprises a pressing plate 3f1 and a pushing plate 3f2, wherein the pressing plate 3f1 and the pushing plate 3f2 abut against the top surface of the bearing bush respectively.
The first linear driver 3c and the second linear driver 3e are both cylinders, the first linear driver 3c is used for driving a working part of the self-resetting linear sliding table 3a to horizontally move, the self-resetting linear upright post 3d is driven to horizontally move towards the shaping mechanism 4 when the working part of the self-resetting linear sliding table 3a moves, the self-resetting linear sliding table 3a can automatically reset after the first linear driver 3c resets, the second linear driver 3e is used for driving the working part of the self-resetting linear upright post 3d to vertically move downwards, the manipulator 3f is driven to move downwards together when the working part of the self-resetting linear upright post 3d moves, and the self-resetting linear upright post 3d can automatically reset after the second linear driver 3e resets;
when the automatic centering device works, the second linear driver 3e drives the self-centering linear upright post 3d to drive the mechanical arm 3f to vertically move downwards together, so that the pressing plate 3f1 abuts against the top surface of the bearing bush, then the first linear driver 3c drives the first elastic connecting mechanism 3b to drive the self-centering linear sliding table 3a to horizontally move towards the shaping mechanism 4 together, so that the pushing plate 3f2 abuts against the end surface of the bearing bush and pushes the bearing bush to move towards the shaping mechanism 4, and the problem that the bearing bush deforms due to the fact that the front end of the bearing bush sags or tilts in the shaping process can be solved by maintaining the posture of the bearing bush through the mechanical arm 3 f;
the first linear driver 3c drives the self-resetting linear sliding table 3a to move through the first elastic connecting mechanism 3b, so that the moving speed of the output end of the first linear driver 3c can be slightly greater than the tangential speed of the shaping mechanism 4, the speed difference is eliminated by the elastic deformation of the first elastic connecting mechanism 3b, and the problem that the horizontal moving speed of the manipulator 3f is higher or lower than the tangential speeds of the first roll forging wheel 4a and the second roll forging wheel 4b is solved;
specifically, as shown in fig. 9, the self-resetting linear sliding table 3a includes a movable plate 3a1, a sliding rail 3a2, and a gas spring 3a3, the sliding rail 3a2 is mounted on two sides of the movable plate 3a1, the movable plate 3a1 is slidably connected to the workbench 2a through a sliding rail 3a2, the gas spring 3a3 is disposed on one side of the self-resetting linear sliding table 3a, a non-working portion of the gas spring 3a3 is fixedly connected to the workbench 2a, and a working portion of the gas spring 3a3 is fixedly connected to the movable plate 3a 1;
in operation, the first linear driver 3c drives the movable plate 3a1 to slide horizontally through the slide rail 3a2, and after the first linear driver 3c is reset, the tension gas spring 3a3 pulls back the movable plate 3a1 through its own resilience force;
specifically, as shown in fig. 5, the first elastic connection mechanism 3b includes a first sliding column 3b1, a first sleeve 3b2, and a first spring 3b3, the first sliding column 3b1 is horizontally disposed and fixedly connected to the movable plate 3a1, the first spring 3b3 is sleeved on the first sliding column 3b1, the first sleeve 3b2 is sleeved on one end of the first sliding column 3b1 far away from the movable plate 3a1, and the first sleeve 3b2 is fixedly connected to an output end of the first linear actuator 3 c;
in operation, the first linear actuator 3c drives the first sleeve 3b2 to move toward the movable plate 3a1, and the first sleeve 3b2 compresses the first spring 3b3 to drive the movable plate 3a1 to move by its own resilience.
As shown in fig. 5, the self-resetting linear upright 3d includes a second sleeve 3d1, a second sliding column 3d2, a first stop ring 3d3, a second stop ring 3d4, a third sleeve 3d5, and a second spring 3d6, the second sleeve 3d1 vertically penetrates through the working portion of the self-resetting linear sliding table 3a and is fixedly connected with the working portion, the second sliding column 3d2 is slidably mounted inside the second sleeve 3d1, the first stop ring 3d3 and the second stop ring 3d4 are respectively located at the upper side and the lower side of the second sleeve 3d1, the first stop ring 3d3 is disposed at the top end of the second sliding column 3d2, the second stop ring 3d4 is disposed at the bottom end of the second sliding column 3d2, the manipulator 3f is fixedly mounted at the bottom end of the second sliding column 3d2, the third sleeve 3d5 is fixedly connected with the first stop ring 3d3 and the second sleeve 3d1 is sleeved on the outer side of the second sliding column 3d 8653, and the spring 828653 is respectively sleeved on the second sleeve 863 d 8653, and the third sleeve 6, The working part of the self-resetting linear sliding table 3a abuts against.
The second sliding column 3d2 is vertically slidably mounted on the movable plate 3a1 through a second sleeve 3d1, the first stop ring 3d3 and the second stop ring 3d4 are used for limiting the stroke of the second sliding column 3d2, the third sleeve 3d5 is used for providing a working surface for driving the second sliding column 3d2 to vertically move upwards for the second spring 3d6, the second sliding column 3d2 is used for mounting the manipulator 3f, the second linear driver 3e drives the third sleeve 3d5 to drive the second sliding column 3d2 to vertically move downwards, the second sliding column 3d2 drives the manipulator 3f to vertically move downwards, and after the second linear driver 3e is reset, the second spring 3d6 drives the second sliding column 3d2 to vertically reset upwards;
specifically, the working part of the second linear actuator 3e is not fixedly connected to the third sleeve 3d5, so that the situation that the mechanical arm 3f transmits the stress in the horizontal direction to the second linear actuator 3e through leverage during working is avoided, and meanwhile, the second sliding column 3d2 is a non-circular shaft, so that the second sliding column 3d2 cannot rotate relative to the second sleeve 3d1, and the mechanical arm 3f is prevented from rotating.
As shown in fig. 5, the third conveyor 5 comprises a second belt conveyor 5a and side dams 5b fixedly installed on both sides of the non-working portion of the second belt conveyor 5a, and the distance between the side dams 5b is larger than the diameter of the bearing bush.
The second belt conveyor 5a is used for moving the bearing bush output by the second conveyor 2 out of the production line, and the side baffle 5b is used for keeping the position of the bearing bush on the second belt conveyor 5a, so that the bearing bush is always positioned in the middle of the second belt conveyor 5a, and a discharging mechanism (such as a robot) is convenient for accurately grabbing the bearing bush.
As shown in fig. 8, the power system 6 includes a servo motor 6a, a first transmission shaft 6b, and a second transmission shaft 6c, the first transmission shaft 6b and the second transmission shaft 6c are both rotatably installed on the worktable 2a, an output shaft of the servo motor 6a is in transmission connection with the first transmission shaft 6b, all the transmission rollers 2b and the second forging rollers 4b are in transmission connection with the first transmission shaft 6b, one of the transmission rollers 2b is in transmission connection with the second transmission shaft 6c, and the second transmission shaft 6c is in transmission connection with the first forging roller 4 a.
The servo motor 6a, the first transmission shaft 6b, the transmission roller wheel 2b and the second transmission shaft 6c are in transmission connection through a gear pair, specifically, the gear pair is a bevel gear pair, wherein the first transmission shaft 6b is horizontally arranged on the workbench 2a through a bearing seat, the second transmission shaft 6c is vertically arranged on the workbench 2a through the bearing seat, the servo motor 6a drives the first transmission shaft 6b to drive the transmission roller wheel 2b, the second transmission shaft 6c, the first rolling wheel 4a and the second rolling wheel 4b to rotate together, so that the rotation directions of the first rolling wheel 4a and the second rolling wheel 4b are opposite, and the second rolling wheel 4b and the transmission roller wheel 2b are synchronous and rotate in the same direction.
The working principle of the invention is as follows:
the first belt conveyor 1a is used for horizontally conveying the bearing bushes to the second conveyor 2, and the first straight plate 1b1, the arc-shaped plate 1b2 and the second straight plate 1b3 are used for adjusting the positions of the bearing bushes on the first belt conveyor 1a, so that the bearing bushes are gradually moved to the middle of the first belt conveyor 1a, and can be more accurately conveyed to the feeding end of the second conveyor 2;
the power system 6 drives the transmission roller 2b to rotate, so that the transmission roller 2b drives the bearing bush positioned above the outer circumferential surface of the transmission roller to move towards the shaping mechanism 4, the first elastic bracket 2c1 provides a vertically downward resilience force to the third roller 2c2, when the bearing bush is positioned between the third roller 2c2 and the transmission roller 2b, the third roller 2c2 can firmly press the top of the bearing bush on the transmission roller 2b, and the second elastic bracket 2d1 provides a resilience force which moves horizontally or obliquely towards the transmission roller 2b to the fourth roller 2d2, so that when the bearing bush is positioned between the fourth roller 2d2 and the transmission roller 2b, the fourth roller 2d2 can firmly press the side part of the bearing bush on the transmission roller 2b, and the transmission roller 2b can obtain sufficient friction force to transmit the bearing bush;
when the bearing bush is conveyed to a feeding section of the shaping mechanism 4, firstly, the second linear driver 3e drives the self-resetting linear upright post 3d to drive the mechanical arm 3f to vertically move downwards together, so that the pressing plate 3f1 is abutted against the top surface of the bearing bush, then the first linear driver 3c drives the first elastic connecting mechanism 3b to drive the self-resetting linear sliding table 3a to horizontally move towards the shaping mechanism 4 together, so that the pushing plate 3f2 is abutted against the end surface of the bearing bush and pushes the bearing bush to move towards the shaping mechanism 4,
the shaping mechanism 4 shapes the heat-treated bearing bush into a shape of projection of the gap between the first forging roller 4a and the second forging roller 4b on a vertical surface where the shaft part is located through the gap between the first forging roller 4a and the second forging roller 4 b;
the manipulator 3f maintains the posture of the bearing bush, so that the problem that the bearing bush is deformed due to the fact that the front end of the bearing bush sags or tilts in the shaping process of the bearing bush can be solved;
the second belt conveyor 5a is used for moving the bearing bush output by the second conveyor 2 out of the production line, and the side baffle 5b is used for keeping the position of the bearing bush on the second belt conveyor 5a, so that the bearing bush is always positioned in the middle of the second belt conveyor 5a, and a discharging mechanism (such as a robot) is convenient for accurately grabbing the bearing bush.
Claims (7)
1. The utility model provides a subdivision formula axle bush work piece radian plastic equipment which characterized in that, including:
the shaping mechanism (4) is arranged in a transmission path of the second conveyor (2), the second conveyor (2) and the shaping mechanism (4) are in transmission connection with an output end of the power system (6), and a feeding area of the shaping mechanism (4) is arranged on one side, facing the first conveyor (1), of the shaping mechanism (4);
a first conveyor (1) is arranged at the feeding end of the second conveyor (2), and a third conveyor (5) is arranged at the discharging end of the second conveyor (2);
the shaping mechanism (4) comprises a first roll forging wheel (4 a) and a second roll forging wheel (4 b) which are arranged in parallel up and down and have axes positioned on the same vertical plane, and the projection of the gap between the first roll forging wheel (4 a) and the second roll forging wheel (4 b) on the vertical plane where the axes are positioned is matched with the axial section of the shaped bearing bush;
the automatic feeding device is characterized by further comprising a robot (3) and a control system, wherein the control system comprises a sensor (7) and an industrial computer, the robot (3) and the sensor (7) are fixedly mounted on a non-working part of the second conveyor (2), a working end of the robot (3) is located right above a feeding area of the shaping mechanism (4), working ends of the sensor (7) are located on two sides of the feeding area of the shaping mechanism (4), and the robot (3) and the sensor (7) are electrically connected with the industrial computer;
the robot (3) comprises a self-resetting linear sliding table (3 a), a first elastic connecting mechanism (3 b), a first linear driver (3 c), a self-resetting linear upright post (3 d), a second linear driver (3 e) and a manipulator (3 f), wherein the self-resetting linear sliding table (3 a) and the first linear driver (3 c) are fixedly connected with a non-working part of a second conveyor (2), the working directions of the self-resetting linear sliding table (3 a) and the first linear driver (3 c) are horizontally arranged, the output end of the first linear driver (3 c) is fixedly connected with a working part of the self-resetting linear sliding table (3 a) through the first elastic connecting mechanism (3 b), the self-resetting linear upright post (3 d) is slidably connected with the working part of the self-resetting linear sliding table (3 a), the working direction of the self-resetting linear upright post (3 d) is vertically arranged, the manipulator (3 f) is fixedly arranged on the working part of the self-resetting linear upright post (3 d), the working end of the manipulator (3 f) is vertically arranged downwards and is positioned right above the feeding area, and the manipulator (3 f) comprises a pressing plate (3 f 1) and a pushing plate (3 f 2), wherein the pressing plate is abutted against the top surface of the bearing bush, and the pushing plate is abutted against the end surface of the bearing bush.
2. The split bearing bush workpiece arc degree shaping device according to claim 1, wherein the first conveyor (1) comprises a first belt conveyor (1 a) and guide plates (1 b) fixedly arranged on two sides of a non-working part of the first belt conveyor (1 a), the guide plates (1 b) comprise a first straight plate (1 b 1), an arc plate (1 b 2) and a second straight plate (1 b 3) which are sequentially arranged along the bearing bush conveying direction, the first straight plate (1 b 1), the arc plate (1 b 2) and the second straight plate (1 b 3) are a single piece and smoothly transition towards one surface of the first belt conveyor (1 a), and the distance between the first straight plates (1 b 1) is larger than that between the second straight plates (1 b 3).
3. The split type bearing bush workpiece arc degree shaping device according to claim 1, wherein the second conveyor (2) comprises a workbench (2 a) and a plurality of conveying rollers (2 b), the axes of the plurality of conveying rollers (2 b) are arranged in parallel and are all located on the same horizontal plane, the conveying rollers (2 b) are horizontally arranged and are rotatably installed on the workbench (2 a), the shaft part of the conveying rollers (2 b) is in transmission connection with the output end of the power system (6), and the projection of the outer circumferential surface of the conveying rollers (2 b) on the vertical surface is consistent with the axial projection of the inner circumferential surface of the bearing bush.
4. The split type bearing bush workpiece arc degree shaping device is characterized in that the second conveyor (2) further comprises a plurality of top positioning rollers (2 c), the axes of the top positioning rollers (2 c) are arranged in parallel and are all located on the same horizontal plane, the top positioning rollers (2 c) are located right above the conveying rollers (2 b), the top positioning rollers (2 c) comprise a first elastic support (2 c 1) and a first roller (2 c 2), the first elastic support (2 c 1) is fixedly connected with the non-working part of the workbench (2 a), the first roller (2 c 2) is rotatably installed on the first elastic support (2 c 1), the resilience direction of the first elastic support (2 c 1) is vertically arranged, the first roller (2 c 2) is horizontally arranged, and the distance between the first roller (2 c 2) and the conveying rollers (2 b) in the vertical direction is equal to the thickness of the bearing bush.
5. The split bearing bush workpiece arc degree shaping device according to any one of claims 3 or 4, wherein the second conveyor (2) further comprises a plurality of lateral positioning rollers (2 d) symmetrically arranged at two sides of the workbench (2 a), the axes of the lateral positioning rollers (2 d) positioned at the same side of the workbench (2 a) are vertically arranged and positioned on the same vertical plane, the lateral positioning rollers (2 d) are positioned at the side of the transmission roller (2 b), the lateral positioning rollers (2 d) comprise a second elastic bracket (2 d 1) and a fourth roller (2 d 2), the second elastic bracket (2 d 1) is fixedly connected with the non-working part of the workbench (2 a), the fourth roller (2 d 2) is rotatably arranged on the second elastic bracket (2 d 1), the rebound direction of the second elastic bracket (2 d 1) is horizontally arranged or obliquely arranged towards the axis of the transmission roller (2 b), the minimum clearance between the fourth roller (2 d 2) and the transmission roller (2 b) is equal to the thickness of the bearing bush.
6. The split bearing shell workpiece arc degree shaping device according to claim 1, wherein the third conveyor (5) comprises a second belt conveyor (5 a) and side baffles (5 b) fixedly arranged on two sides of a non-working part of the second belt conveyor (5 a), and the distance between the side baffles (5 b) is larger than the diameter of the bearing shell.
7. The split bearing bush workpiece arc degree shaping device according to claim 3, wherein the power system (6) comprises a servo motor (6 a), a first transmission shaft (6 b) and a second transmission shaft (6 c), the first transmission shaft (6 b) and the second transmission shaft (6 c) are rotatably mounted on the workbench (2 a), an output shaft of the servo motor (6 a) is in transmission connection with the first transmission shaft (6 b), all the transmission rollers (2 b) and the second forging roller (4 b) are in transmission connection with the first transmission shaft (6 b), one of the transmission rollers (2 b) is in transmission connection with the second transmission shaft (6 c), and the second transmission shaft (6 c) is in transmission connection with the first forging roller (4 a).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911407139.7A CN111069462B (en) | 2019-12-31 | 2019-12-31 | Split type bearing bush workpiece arc degree shaping equipment |
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| CN201911407139.7A CN111069462B (en) | 2019-12-31 | 2019-12-31 | Split type bearing bush workpiece arc degree shaping equipment |
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| CN111069462B true CN111069462B (en) | 2021-10-22 |
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| CA901786A (en) * | 1972-06-06 | E. Fisher Norman | Method and apparatus for manufacturing thin walled flexible bearing liners | |
| CN101559451B (en) * | 2009-06-04 | 2011-03-30 | 郝杰锋 | Device for integrally repairing U-shaped steel arched beam rigid telescope support |
| CN202070687U (en) * | 2011-04-08 | 2011-12-14 | 冯建国 | Automatic feeding apparatus of punch press |
| CN202447450U (en) * | 2012-02-02 | 2012-09-26 | 安徽跨宇钢结构网架工程有限公司 | Leveling device on the rear of first molding press roller of cold bend C type steel molding machine |
| CN204247758U (en) * | 2014-11-11 | 2015-04-08 | 佳兴紧固件工业（苏州）有限公司 | A kind of bolt raw material straightener |
| CN206747313U (en) * | 2016-12-21 | 2017-12-15 | 阳江市港荣五金塑料制品有限公司 | Conveying mechanism and the straightener with the conveying mechanism |
| CN208976534U (en) * | 2018-09-14 | 2019-06-14 | 广东耐施特机械有限公司 | A kind of aluminum alloy pattern plate trimmer |
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Effective date of registration: 20210928 Address after: 311800 No. 1888, Jiata Road, Dingxin village, Huangshan Town, Zhuji City, Shaoxing City, Zhejiang Province Applicant after: ZHUJI DEFU ELECTRICAL EQUIPMENT MANUFACTURING Co.,Ltd. Address before: No.299 Xuefu Road, Wuxing District, Huzhou City, Zhejiang Province Applicant before: Zhu Tao |
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