CN114348627A - Automatic feeding device for shaft workpieces - Google Patents
Automatic feeding device for shaft workpieces Download PDFInfo
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- CN114348627A CN114348627A CN202111682397.3A CN202111682397A CN114348627A CN 114348627 A CN114348627 A CN 114348627A CN 202111682397 A CN202111682397 A CN 202111682397A CN 114348627 A CN114348627 A CN 114348627A
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Abstract
An automatic shaft workpiece feeding device comprises a linear conveyor and a feeding device, wherein the linear conveyor and the feeding device are arranged on a machine table, the feeding device comprises a feeding bin, the feeding bin is arranged on the machine table through a feeding bin support and is positioned above the linear conveyor, a discharging port of the feeding bin is provided with a feeding wheel, and the feeding wheel is driven to rotate through a first driving mechanism; the linear conveyor comprises a belt mounting frame arranged on a machine table, a driving belt wheel, a driven belt wheel, a second driving mechanism and two round belts, wherein the driving belt wheel and the driven belt wheel are respectively arranged at two ends of the belt mounting frame, the second driving mechanism drives the driving belt wheel, the two round belts are arranged between the driving belt wheel and the driven belt wheel side by side, an inwards concave bearing surface is formed between the two adjacent round belts, and a workpiece in the feeding bin falls onto the inwards concave bearing surface between the two round belts through the feeding wheel. The automatic feeding device can realize safe and orderly automatic feeding and improve the working efficiency.
Description
Technical Field
The invention relates to the technical field of automatic feeding, in particular to an automatic feeding device for shaft workpieces.
Background
The centerless grinding machine is mainly used for precisely grinding the excircle, the end face and the conical surface of a batch shaft workpiece, and is a main device in the industries of motors, automobile engines and the like. The through type grinding of the centerless grinder has the characteristic of high production efficiency and is suitable for large-scale processing. The automatic feeding device used in the through type grinding of the centerless grinding machine is roughly divided into various forms such as vibration disk feeding, push plate material ejection, stacking disturbance blanking and the like. The vibration disc feeding mode is high in machining efficiency, small in feeding speed adjusting range and suitable for shaft workpieces which are not machined or machined, short in length, small in diameter and disordered in placement; the push plate ejection feeding mode has moderate processing efficiency and moderate feeding speed adjusting range, and is suitable for shaft workpieces which are processed, have longer length and larger diameter range and are placed orderly or disorderly; the stacking disturbance blanking and feeding mode has high processing efficiency and large feeding speed adjusting range, and is suitable for shaft workpieces which are processed, have moderate length and moderate diameter range and are orderly placed. However, many shaft workpieces which are already machined, particularly cylindrical surfaces, are provided with one or more grooves, front steps and rear steps, and the cylindrical surfaces are provided with rolling protruding steps. When the workpiece needs to be ground by a centerless grinder in a through mode, the automatic feeding devices of the centerless grinders have the following problems. The feeding mode of the vibrating disk is disordered, the workpieces are overlapped together to be scraped and stuck with each other, and the workpieces are not suitable to enter the slide way. The loading mode of the push plate material ejection loading is divided into ordered loading and disordered loading, the loading is placed in order, the processing loading is carried out, and the processing speed cannot be kept up with the processing speed; the workpieces which are loaded in disorder are overlapped together to generate scraping and mutual adhesion. The material loading is orderly in a stacking, disturbing and blanking and material loading mode, but workpieces are overlapped when falling, sometimes the workpieces are scraped together, and the material feeding is blocked.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an automatic feeding device for shaft workpieces, which can realize safe and orderly automatic feeding and improve the working efficiency of a centerless grinding machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an axle type work piece automatic feeding device, includes: the feeding device comprises a feeding bin, the feeding bin is arranged on the machine table through a feeding bin support and is positioned above the linear conveyor, a feeding wheel is arranged at a discharge port of the feeding bin, and the feeding wheel is driven to rotate through a first driving mechanism; the linear conveyor comprises a belt mounting frame arranged on a machine table, a driving belt wheel and a driven belt wheel which are arranged at two ends of the belt mounting frame respectively, a second driving mechanism for driving the driving belt wheel and two round belts arranged between the driving belt wheel and the driven belt wheel side by side, an inwards concave bearing surface is formed between every two adjacent round belts, and a workpiece in the feeding bin falls into the inwards concave bearing surface between the two round belts through the feeding wheel.
Further, a driving mechanism is including setting up the material loading buncher on last feed bin support, material loading buncher passes through band pulley mechanism and is connected with the material loading wheel drive, band pulley mechanism includes driving synchronous pulley, driven synchronous pulley and around locating the hold-in range on driving synchronous pulley and the driven synchronous pulley, driving synchronous pulley installs on material loading buncher's output shaft, the material loading wheel is rotatable through first pivot and installs on last feed bin support, driven synchronous pulley installs the one end of keeping away from the material loading wheel at first pivot.
Furthermore, a plurality of material grooves are formed in the outer circumferential surface of the feeding wheel, an arc baffle is arranged on the outer side of the circumferential direction of the feeding wheel, one end of the arc baffle is fixed to a discharge hole of the feeding bin, and the other end of the arc baffle is located above the linear conveyor.
Further, the feeding bin comprises a workpiece sliding strip arranged obliquely, a workpiece baffle arranged vertically, and a front baffle plate and a rear baffle plate which are arranged on two sides of the workpiece sliding strip and the workpiece baffle respectively, the upper end of the front baffle plate is lower than the upper end of the rear baffle plate, the lower ends of the workpiece sliding strip, the rear baffle plate, the workpiece baffle plate and the front baffle plate are sequentially enclosed to form a discharge hole, an arc baffle is installed at the lower end of the workpiece baffle plate, and the width of the workpiece sliding strip is matched with the axial size of a workpiece.
Furthermore, the second driving mechanism comprises a feeding speed regulating motor, and the feeding speed regulating motor is in driving connection with the driving belt wheel through a speed reducer.
Furthermore, the speed reducer is fixedly arranged on one side, close to the feeding device, of the belt mounting frame, the output end of the speed reducer is in driving connection with the driving belt wheel, the feeding speed regulating motor is fixed on the speed reducer, and the output shaft of the feeding speed regulating motor is in driving connection with the input end of the speed reducer.
Further, oil receiving grooves are formed below the two round belts and are positioned in the belt mounting frame; the belt mounting frame is adjustably mounted on the machine table through a plurality of L-shaped supports.
Furthermore, a proximity switch is arranged on the linear conveyor and is positioned above the two circular belts.
Furthermore, one side of the linear conveyor, which is close to a discharge port of the feeding bin, is symmetrically provided with two blanking baffles along the conveying direction, the interval between the two blanking baffles is used for guiding a workpiece to fall on an inwards concave bearing surface between two circular belts, wherein one blanking baffle is provided with a vertical material blocking part, and the vertical material blocking part is arranged at the lower end of the circular arc baffle.
Further, a plurality of foundation bolts are arranged on the lower portion of the machine table.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an automatic feeding device for shaft workpieces, which comprises: the feeding device comprises a feeding bin, the feeding bin is arranged on the machine table through a feeding bin support and is positioned above the linear conveyor, a feeding wheel is arranged at a discharge port of the feeding bin, and the feeding wheel is driven to rotate through a first driving mechanism; the linear conveyor comprises a belt mounting frame arranged on a machine table, a driving belt wheel and a driven belt wheel which are arranged at two ends of the belt mounting frame respectively, a second driving mechanism for driving the driving belt wheel and two round belts arranged between the driving belt wheel and the driven belt wheel side by side, an inwards concave bearing surface is formed between every two adjacent round belts, and a workpiece in the feeding bin falls into the inwards concave bearing surface between the two round belts through the feeding wheel. It can realize safe and orderly's automatic feeding, improves work efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure;
FIG. 2 is a schematic front view of an upper bin;
FIG. 3 is a right side view of the upper bin schematic;
FIG. 4 is a schematic top view of an upper bin;
FIG. 5 is a front view of the line feeder;
FIG. 6 is a right side view of the linear feeder;
FIG. 7 is a left side view of the linear feeder;
fig. 8 is a perspective view.
In the figure: 1. a machine platform; 2. anchor bolts; 3. a feeding device; 4. a linear conveyor; 5. feeding a bin; 6. a feeding bin support; 8. a workpiece slide bar 9 and a rear striker plate; 10. a front retainer plate; 12. a workpiece baffle; 13. a circular arc baffle plate; 16. a feeding speed regulating motor; 17. a driving synchronous pulley; 18. a synchronous belt; 19. a mounting seat; 20. a first rotating shaft; 21. a driven synchronous pulley; 25. a feeding wheel; 28. a support; 29. an oil receiving groove; 30. a belt mounting frame; 31. a proximity switch mounting plate; 32. a proximity switch; 34. a feeding speed regulating motor; 36. a driving pulley; 37. a round belt; 38. a driven pulley; 54. blanking baffle 55, vertical to keeping off the material portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples
As shown in fig. 1 to 8, an automatic feeding device 3 for shaft workpieces comprises: the device comprises a machine table 1, a linear conveyor 4 and a feeding device 3; the machine table 1 is used for bearing and supporting the linear conveyor 4 and the feeding device 3, and a plurality of foundation bolts 2 are arranged on the lower portion of the machine table 1. When the grinding machine is used, the center of the linear conveyor 4 is aligned with the grinding center of the centerless grinding machine by adjusting the height of the foundation bolt 2.
Loading attachment 3 sets up on board 1, it includes feed bin 5, it installs on board 1 and is located linear conveyor 4's top through last feed bin support 6 to go up feed bin 5, it is concrete, go up work piece draw runner 8 that feed bin 5 set up including the slope, the work piece baffle 12 of vertical setting and set up preceding striker plate 10 and back striker plate 9 in work piece draw runner 8 and work piece baffle 12 both sides respectively, preceding striker plate 10 upper end is less than back striker plate 9 upper end, work piece draw runner 8, back striker plate 9, the lower extreme of work piece baffle 12 and preceding striker plate 10 encloses into the discharge gate in proper order, during the use, the work piece slides to the discharge gate of feed bin 5 along work piece draw runner 8 from the pan feeding mouth of last feed bin 5 upper end.
A feeding wheel 25 is arranged at the discharge port of the feeding bin 5, and the feeding wheel 25 is driven to rotate by a first driving mechanism; specifically, first actuating mechanism is including setting up material loading buncher 16 on last feed bin support 6, material loading buncher 16 passes through band pulley mechanism and is connected with the drive of material loading wheel 25, band pulley mechanism includes driving synchronous pulley 17, driven synchronous pulley 21 and around locating the hold-in range 18 on driving synchronous pulley 17 and the driven synchronous pulley 21, driving synchronous pulley 17 installs on material loading buncher 16's output shaft, material loading wheel 25 is rotatable through first pivot 20 and installs on last feed bin support 6, specifically, the middle part of first pivot 20 is installed in last feed bin support 6 through mount pad 19, be provided with the bearing between the middle part of first pivot 20 and the 19 inner chambers of mount pad. A driven timing pulley 21 is mounted on the end of the first shaft 20 remote from the loading wheel 25. When the feeding device is used, the feeding speed regulating motor 16 rotates to drive the driving synchronous belt pulley 17 to rotate, the driving synchronous belt pulley 17 drives the driven synchronous belt pulley 21 to rotate through the synchronous belt 18, and the driven synchronous belt pulley 21 drives the feeding wheel 25 to rotate through the first rotating shaft 20.
In this embodiment, a plurality of material troughs are arranged on the outer circumferential surface of the feeding wheel 25, the material troughs are used for bearing workpieces, the material troughs are matched with the workpieces in size, an arc baffle 13 is arranged on the circumferential outer side of the feeding wheel 25, one end of the arc baffle 13 is fixed at the discharge hole of the feeding bin 5, and the other end of the arc baffle 13 is positioned above the linear conveyor 4. Specifically, the arc baffle 13 is mounted at the lower end of the workpiece baffle 12, and the width of the workpiece slide bar 8 is matched with the axial dimension of the workpiece. The provision of the circular arc-shaped fence 13 is advantageous in guiding the workpiece to fall to a designated position.
The linear conveyor 4 is arranged on the machine table 1 and located below the feeding bin 5, and comprises a belt mounting frame 30 arranged on the machine table 1, a driving belt wheel 36 and a driven belt wheel 38 which are respectively arranged at two ends of the belt mounting frame 30, a second driving mechanism for driving the driving belt wheel 36, and two round belts 37 arranged between the driving belt wheel 36 and the driven belt wheel 38 side by side, a concave bearing surface is formed between every two adjacent round belts 37, and a workpiece in the feeding bin 5 falls onto the concave bearing surface between the two round belts 37 through the feeding wheel 25. It should be noted that the concave bearing surface formed between two adjacent circular belts 37 can effectively ensure the stability of the workpiece during the conveying process, and prevent the workpiece from deflecting.
The second driving mechanism in this embodiment includes a feeding speed-regulating motor 34, and the feeding speed-regulating motor 34 is drivingly connected to a driving pulley 36 through a speed reducer. Specifically, the speed reducer is fixedly arranged on one side of the belt mounting frame 30 close to the feeding device 3, the output end of the speed reducer is in driving connection with the driving belt wheel 36, the feeding speed regulating motor 34 is fixed on the speed reducer, and the output shaft of the feeding speed regulating motor 34 is in driving connection with the input end of the speed reducer.
In order to avoid oil contamination leakage, the oil receiving grooves 29 are arranged below the two circular belts 37 in the embodiment, and the oil receiving grooves 29 are located in the belt mounting frame 30.
The linear conveyor 4 of this embodiment is provided with a proximity switch 32, and the proximity switch 32 is located above the two round belts 37. Specifically, the proximity switch 32 is mounted on the belt mount 30 via the proximity switch mounting plate 31. The proximity switch 32 is used for detecting whether the linear conveyor 4 continuously has materials or not, and controlling the feeding speed regulating motor 16 to start and stop under the action of the time relay so as to prevent the workpieces from being stacked and discharged.
The linear conveyor 4 of this embodiment is provided with two unloading baffles 54 along the direction of delivery symmetry near one side of feed bin 5 discharge gate, and the interval of two unloading baffles 54 front ends slightly is greater than the biggest external diameter of work piece for guide work piece linear motion, is provided with vertical to keeping off material portion 55 on one of them unloading baffle 54 of two unloading baffles 54 rear ends, and vertical to keeping off material portion 55 sets up to circular arc baffle lower extreme relatively, is used for the guide work piece to drop in the indent loading face between two circular belts 37.
The belt mount 30 in this embodiment is adjustably mounted on the machine table 1 by a plurality of L-shaped brackets 28. Specifically, the L-shaped bracket 28 is fastened to the outer side surface of the belt mounting frame 30 and the upper surface of the machine table 1 by bolts.
In use, the linear conveyor 4 is positioned below the feeding wheel 25 of the feeding device 3, and the left and right distance of the bracket 28 is adjusted, and the position of the workpiece blanking baffle 54 is adjusted. So that the workpiece falls right on the centers of the two round belts 37; the distance between the height of the adjusting bracket 28 and the feeding wheel 25 is adjusted to ensure that the falling clearance of the workpiece is enough; the speed of the feeding wheel 25 for dropping the workpiece is controlled by adjusting the speed of the feeding speed regulating motor 16; the speed of the feeding speed regulating motor 34 is adjusted to adapt to the processing beat, and the purpose of continuous processing is achieved by preventing workpieces from being scraped, touched and adhered.
Claims (10)
1. The utility model provides an axle type work piece automatic feeding device which characterized in that: the method comprises the following steps: the feeding device comprises a feeding bin, the feeding bin is arranged on the machine table through a feeding bin support and is positioned above the linear conveyor, a feeding wheel is arranged at a discharge port of the feeding bin, and the feeding wheel is driven to rotate through a first driving mechanism; the linear conveyor comprises a belt mounting frame arranged on a machine table, a driving belt wheel, a driven belt wheel, a second driving mechanism and two round belts, wherein the driving belt wheel and the driven belt wheel are respectively arranged at two ends of the belt mounting frame, the second driving mechanism drives the driving belt wheel, the two round belts are arranged between the driving belt wheel and the driven belt wheel side by side, an inwards concave bearing surface is formed between the two adjacent round belts, and a workpiece in the feeding bin falls onto the inwards concave bearing surface between the two round belts through the feeding wheel.
2. The automatic shaft workpiece feeding device according to claim 1, wherein: first actuating mechanism is including setting up the material loading buncher on last feed bin support, the material loading buncher passes through band pulley mechanism and is connected with the material loading wheel drive, band pulley mechanism includes initiative synchronous pulley, driven synchronous pulley and around locating the hold-in range on initiative synchronous pulley and the driven synchronous pulley, initiative synchronous pulley installs on material loading buncher's output shaft, the material loading wheel is rotatable through first pivot installation on last feed bin support, driven synchronous pulley installs the one end of keeping away from the material loading wheel in first pivot.
3. The automatic shaft workpiece feeding device according to claim 1, wherein: the outer circumference of the feeding wheel is provided with a plurality of material grooves, the circumferential outer side of the feeding wheel is provided with an arc baffle, one end of the arc baffle is fixed at a discharge hole of the feeding bin, and the other end of the arc baffle is positioned above the linear conveyor.
4. The automatic shaft workpiece feeding device according to claim 1, wherein: the feeding bin comprises a workpiece sliding strip, a workpiece baffle plate, a front baffle plate and a rear baffle plate, wherein the workpiece sliding strip is obliquely arranged, the workpiece baffle plate is vertically arranged, and the front baffle plate and the rear baffle plate are respectively arranged on two sides of the workpiece sliding strip and the workpiece baffle plate, the upper end of the front baffle plate is lower than the upper end of the rear baffle plate, the lower ends of the workpiece sliding strip, the rear baffle plate, the workpiece baffle plate and the front baffle plate are sequentially encircled to form a discharge hole, an arc baffle plate is arranged at the lower end of the workpiece baffle plate, and the width of the workpiece sliding strip is matched with the axial size of a workpiece.
5. The automatic shaft workpiece feeding device according to claim 1, wherein: the second driving mechanism comprises a feeding speed regulating motor, and the feeding speed regulating motor is in driving connection with the driving belt wheel through a speed reducer.
6. The automatic shaft workpiece feeding device according to claim 1, wherein: the speed reducer is fixedly arranged on one side, close to the feeding device, of the belt mounting frame, the output end of the speed reducer is in driving connection with the driving belt wheel, the feeding speed regulating motor is fixed on the speed reducer, and the output shaft of the feeding speed regulating motor is in driving connection with the input end of the speed reducer.
7. The automatic shaft workpiece feeding device according to claim 1, wherein: oil receiving grooves are formed below the two round belts and are positioned in the belt mounting frame; the belt mounting frame is adjustably mounted on the machine table through a plurality of L-shaped supports.
8. The automatic shaft workpiece feeding device according to claim 1, wherein: be provided with proximity switch on the linear conveyor, proximity switch passes through the proximity switch mounting panel and installs on the belt mounting bracket, and proximity switch is located the top of two round belts.
9. The automatic shaft workpiece feeding device according to claim 1, wherein: one side of the linear conveyor, which is close to a discharge port of the feeding bin, is symmetrically provided with two blanking baffles along the conveying direction, the interval between the two blanking baffles is used for guiding a workpiece to fall on an inwards concave bearing surface between two circular belts, wherein one blanking baffle is provided with a vertical material blocking part, and the vertical material blocking part is arranged at the lower end of the circular arc baffle.
10. The automatic shaft workpiece feeding device according to claim 1, wherein: the lower part of the machine table is provided with a plurality of foundation bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682397.3A CN114348627A (en) | 2021-12-30 | 2021-12-30 | Automatic feeding device for shaft workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682397.3A CN114348627A (en) | 2021-12-30 | 2021-12-30 | Automatic feeding device for shaft workpieces |
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| Publication Number | Publication Date |
|---|---|
| CN114348627A true CN114348627A (en) | 2022-04-15 |
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ID=81105049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111682397.3A Pending CN114348627A (en) | 2021-12-30 | 2021-12-30 | Automatic feeding device for shaft workpieces |
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| CN (1) | CN114348627A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2079649A (en) * | 1980-07-18 | 1982-01-27 | Torrington Machine Tool Co Ltd | Workpiece transfer mechanism |
| CN204038512U (en) * | 2014-09-12 | 2014-12-24 | 德清工业智能制造技术研究院 | The conveying lowering mechanism of the shaft-like material feeding device of automatic assembling |
| CN207578039U (en) * | 2017-11-09 | 2018-07-06 | 贵州西南工具(集团)有限公司 | A kind of centreless grinding automatic charging device |
| CN108313672A (en) * | 2017-01-16 | 2018-07-24 | 西北农林科技大学 | A kind of small-sized fruit automatic charging device |
-
2021
- 2021-12-30 CN CN202111682397.3A patent/CN114348627A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2079649A (en) * | 1980-07-18 | 1982-01-27 | Torrington Machine Tool Co Ltd | Workpiece transfer mechanism |
| CN204038512U (en) * | 2014-09-12 | 2014-12-24 | 德清工业智能制造技术研究院 | The conveying lowering mechanism of the shaft-like material feeding device of automatic assembling |
| CN108313672A (en) * | 2017-01-16 | 2018-07-24 | 西北农林科技大学 | A kind of small-sized fruit automatic charging device |
| CN207578039U (en) * | 2017-11-09 | 2018-07-06 | 贵州西南工具(集团)有限公司 | A kind of centreless grinding automatic charging device |
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