CN110788748A - Blanking mechanism and grinding machine - Google Patents
Blanking mechanism and grinding machine Download PDFInfo
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- CN110788748A CN110788748A CN201911128779.4A CN201911128779A CN110788748A CN 110788748 A CN110788748 A CN 110788748A CN 201911128779 A CN201911128779 A CN 201911128779A CN 110788748 A CN110788748 A CN 110788748A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 101
- 238000012545 processing Methods 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims description 19
- 230000009471 action Effects 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 6
- 230000000284 resting effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002829 reductive effect Effects 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000012149 noodles Nutrition 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a blanking mechanism and a grinding machine. Wherein, unloading mechanism includes bearing structure, unloading spare, dial piece and drive structure, unloading spare pivot ground sets up on bearing structure, unloading spare has first end and the second end that is located its pivot point both sides, the first end of unloading spare has the plane of placing, when unloading spare is located the processing position, the plane of placing is on a parallel with the horizontal plane, when unloading spare is located the unloading position, the plane of placing is the contained angle setting with the horizontal plane, dial piece pivot ground and set up on bearing structure, dial the piece and have promotion end and the drive end that is located its pivot point both sides, promotion end and second end butt, in order to make unloading spare rotate to the unloading position by the processing position under the impetus of promotion effect of promotion end through pressing the drive end, the output telescopically setting of drive structure, in order to press the drive end when the output of drive structure stretches out. The technical scheme of the invention solves the problem that the grinding machine in the prior art cannot automatically perform blanking.
Description
Technical Field
The invention relates to the technical field of polishing processing, in particular to a blanking mechanism and a polishing machine.
Background
Grinders are widely used in the mold industry for finishing or polishing the surface of a workpiece.
However, manual blanking is generally adopted in the grinding machine in the related art, which results in low automation degree and low processing efficiency of the grinding machine.
Disclosure of Invention
The invention mainly aims to provide a blanking mechanism and a grinding machine, and aims to solve the problem that the grinding machine in the prior art cannot automatically blank.
In order to achieve the above object, according to one aspect of the present invention, there is provided a blanking mechanism including: a support structure; the blanking piece is pivotally arranged on the supporting structure and is provided with a processing position and a blanking position; the blanking part is provided with a first end and a second end which are positioned on two sides of a pivot point of the blanking part, the first end of the blanking part is provided with a placing surface, when the blanking part is positioned at a processing position, the placing surface is parallel to a horizontal plane, and when the blanking part is positioned at a blanking position, an included angle is formed between the placing surface and the horizontal plane; the stirring piece is pivotally arranged on the supporting structure and provided with a pushing end and a driving end which are positioned on two sides of a pivot point of the stirring piece, and the pushing end is abutted against the second end so as to enable the blanking piece to rotate from a machining position to a blanking position under the pushing action of the pushing end by pressing the driving end; the driving structure is arranged above the driving end, and the output end of the driving structure is telescopically arranged so as to press the driving end when the output end of the driving structure extends out.
Further, the drive end has a drive face that is parallel to the horizontal plane and flush with the resting plane when the blanking member is in the machining position.
Further, the support structure comprises: a placement plate extending in a horizontal direction; the mounting plate and the placing plate are arranged at intervals in the vertical direction and are parallel to each other; the supporting plate is arranged between the placing plate and the mounting plate and is vertical to the placing plate; one end of the blanking plate is abutted to the placing plate, and the other end of the blanking plate extends downwards in an inclined mode; a stepping gap is formed at the joint of the supporting plate and the blanking plate, the blanking piece and the shifting piece are both pivotally arranged on the supporting plate, the first end of the shifting piece is positioned at the stepping gap, and the driving end of the shifting piece is positioned on one side of the placing plate, which is far away from the blanking plate; when the blanking part is positioned at the processing position, the placing surface is flush with the upper surface of the placing plate; when the blanking part is positioned at the blanking position, the workpiece positioned on the placing surface slides onto the blanking plate from the placing surface under the action of gravity.
According to another aspect of the present invention, there is provided a sander comprising: the rotary table is provided with a feeding station and a discharging station; the blanking mechanisms are arranged on the rotary table at intervals along the circumferential direction of the rotary table, and are the blanking mechanisms; and the driving mechanism is used for driving the rotary table to rotate so as to enable the blanking piece of the blanking mechanism rotating to the feeding station to be positioned at the processing position and enable the blanking piece of the blanking mechanism rotating to the blanking station to rotate to the blanking position from the processing position.
Further, the sander further comprises: the positioning mechanism is arranged at the feeding station and comprises a positioning shaft; the positioning shaft is arranged in a liftable mode along the vertical direction, the bottom end of the positioning shaft is of a round table structure, and the positioning shaft is driven to descend to extend into the positioning hole of the workpiece so as to adjust the position of the workpiece.
Further, the sander further comprises: the pre-positioning mechanism is arranged on a supporting structure of the blanking mechanism and comprises a first positioning arm and a second positioning arm which are arranged at intervals along the horizontal direction, and a positioning space is formed between the first positioning arm and the second positioning arm so that the positioning structure of the workpiece is positioned in the positioning space to pre-position the position of the workpiece.
Further, the width of the positioning space is larger than that of the positioning structure; and/or the first positioning arm and/or the second positioning arm are movably arranged along the horizontal direction, so that the width of the positioning space can be adjusted by adjusting the position of the first positioning arm and/or the second positioning arm.
Further, the drive mechanism includes: a camshaft; the cams are sleeved on the cam shaft at intervals so as to enable the cams to rotate along with the cam shaft; the plurality of convex parts of the plurality of cams are arranged in an included angle; the proximity switches are arranged at intervals along the axial direction of the cam shaft and are arranged in one-to-one correspondence with the cams; and the driving piece is used for driving the rotary table to rotate so as to control the driving piece to stop running when the bulge of any one cam is jointed with the corresponding proximity switch.
Furthermore, the rotary table is a three-station rotary table, one feeding station is provided, and two discharging stations are provided; the number of cams is four.
Further, the drive mechanism further includes: one of the first fluted disc and the second fluted disc is connected with the rotary table, and the other of the first fluted disc and the second fluted disc is connected with the driving mechanism; the first fluted disc and/or the second fluted disc are movably arranged along the vertical direction so as to enable the first fluted disc and the second fluted disc to be in an engaged state or a separated state; when the first fluted disc and the second fluted disc are in a meshed state, the driving mechanism drives the rotary table to rotate through the first fluted disc and the second fluted disc; when the first fluted disc and the second fluted disc are in a separated state, the rotary table stops rotating.
By applying the technical scheme of the invention, when the workpiece needs to be subjected to blanking operation, the output end of the driving structure is controlled to extend out to press the driving end of the stirring piece, and the pushing end of the stirring piece pushes the blanking piece to rotate under the action of the lever principle, so that the placing surface of the blanking piece is arranged obliquely relative to the horizontal plane, the workpiece on the placing surface slides down under the action of gravity, and the automatic blanking of the workpiece is realized. The application provides a can realize unloading mechanism and polisher of automatic unloading, has promoted the degree of automation and the machining efficiency of polisher, has reduced workman's intensity of labour.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a blanking mechanism according to an alternative embodiment of the invention, wherein a blanking member of the blanking mechanism is in a processing position;
fig. 2 shows a schematic structural view of the blanking mechanism in fig. 1, wherein a blanking member of the blanking mechanism is in a blanking position;
figure 3 shows a schematic perspective view of part of the structure of a sanding machine according to an alternative embodiment of the invention;
FIG. 4 is an enlarged schematic structural view showing a part of the structure of the sander in FIG. 3;
FIG. 5 is a schematic top view of a part of the sander of FIG. 3;
FIG. 6 shows a schematic view of the disassembled structure of the drive mechanism of the sander of FIG. 3;
fig. 7 is a disassembled view showing a partial structure of the driving mechanism in fig. 6.
Wherein the figures include the following reference numerals:
100. a workpiece; 110. positioning holes; 120. a positioning structure; 1. a turntable; 101. a feeding station; 102. a blanking station; 2. A blanking mechanism; 10. a support structure; 11. placing the plate; 12. mounting a plate; 13. a support plate; 14. a blanking plate; 141. a abdication gap; 20. blanking parts; 21. a first end; 211. placing the noodles; 22. a second end; 30. a toggle piece; 31. a pushing end; 32. A driving end; 321. a drive face; 3. a drive mechanism; 301. a camshaft; 302. a cam; 303. a proximity switch; 304. a drive member; 305. a first fluted disc; 306. a second fluted disc; 307. a work table; 308. a motor shield; 309. a mounting frame; 4. a positioning mechanism; 401. positioning the shaft; 5. a pre-positioning mechanism; 501. a first positioning arm; 502. a second positioning arm.
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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a blanking mechanism and a grinding machine, and aims to solve the problem that the grinding machine in the prior art cannot automatically blank.
As shown in fig. 1 to 3, the blanking mechanism includes a support structure 10, a blanking member 20, a toggle member 30 and a driving structure, the blanking member 20 is pivotally disposed on the support structure 10, and the blanking member 20 has a processing position and a blanking position; the blanking member 20 is provided with a first end 21 and a second end 22 which are positioned on two sides of a pivot point of the blanking member 20, the first end 21 of the blanking member 20 is provided with a placing surface 211, when the blanking member 20 is positioned at a processing position, the placing surface 211 is parallel to a horizontal plane, when the blanking member 20 is positioned at the blanking position, the placing surface 211 and the horizontal plane form an included angle, the stirring member 30 can be pivotally arranged on the supporting structure 10, the stirring member 30 is provided with a pushing end 31 and a driving end 32 which are positioned on two sides of the pivot point, the pushing end 31 is abutted to the second end 22, so that the blanking member 20 can be rotated to the blanking position from the processing position under the pushing action of the pushing end 31 by pressing the driving end 32, the driving structure is arranged above the driving end 32, and the output end of the driving structure can be telescopically arranged.
In this embodiment, when the workpiece 100 needs to be blanked, the driving end 32 of the toggle element 30 is pressed by controlling the extension of the output end of the driving structure, and the pushing end 31 of the toggle element 30 pushes the blanking element 20 to rotate under the action of the lever principle, so that the placing surface 211 of the blanking element 20 is inclined relative to the horizontal plane, and the workpiece 100 on the placing surface 211 slides down under the action of gravity, thereby realizing the automatic blanking of the workpiece 100.
The application provides an unloading mechanism can realize automatic unloading, is favorable to promoting degree of automation and the machining efficiency of work piece 100 unloading, has reduced workman's intensity of labour.
The application provides a simple structure, rationally distributed of unloading mechanism are favorable to placing, processing and the unloading of work piece 100, are favorable to guaranteeing the outward appearance aesthetic feeling of polisher.
In specific implementation, the driving structure is a driving cylinder or a driving oil cylinder, and an output end of the driving cylinder or the driving oil cylinder extends out to press the driving end 32 of the toggle piece 30.
As shown in fig. 1, the driving end 32 has a driving surface 321, and when the blanking member 20 is located at the machining position, the driving surface 321 is parallel to the horizontal plane and flush with the placing surface 211. Thus, the blanking mechanism has good appearance aesthetic feeling, and meanwhile, the poking piece 30 is not easy to touch, so that the blanking mechanism is not easy to misoperation when the blanking is not needed.
As shown in fig. 1 and 2, the supporting structure 10 includes a placing plate 11, a mounting plate 12, a supporting plate 13 and a blanking plate 14, the placing plate 11 extends along a horizontal direction, the mounting plate 12 and the placing plate 11 are arranged at intervals along a vertical direction, the mounting plate 12 is parallel to the placing plate 11, the supporting plate 13 is arranged between the placing plate 11 and the mounting plate 12 and is perpendicular to the placing plate 11, one end of the blanking plate 14 is abutted against the placing plate 11, the other end of the blanking plate 14 extends obliquely downwards, a relief notch 141 is arranged at a joint of the supporting plate 13 and the blanking plate 14, the blanking member 20 and the toggle member 30 are both pivotably arranged on the supporting plate 13, the first end 21 is located at the relief notch 141, and the driving end 32 is located on one side of the placing plate 11 away from the blanking plate 14; wherein, when the blanking member 20 is located at the processing position, the placing surface 211 is flush with the upper surface of the placing plate 11; when the blanking member 20 is located at the blanking position, the workpiece 100 on the placement surface 211 slides down by gravity from the placement surface 211 onto the blanking plate 14. The blanking plate 14 has a large area, which facilitates conveying the workpiece 100 to the next station.
Optionally, the next station is a material taking station capable of accommodating a plurality of workpieces 100, the workpieces 100 are conveyed to the material taking station by using the material taking part 20 and the material taking plate 14 in cooperation, and the ground workpieces are taken away at the material taking station manually or by using a robot, or a containing box accommodating a plurality of workpieces 100 is placed at the material taking station.
In the specific implementation, the bottom of the blanking plate 14 extends to the edge of the turntable 1, so as to convey the workpiece 100 from the blanking station to the material taking station of the turntable 1.
In particular implementation, a plurality of workpieces 100 are stacked in a vertical direction in order to improve the machining efficiency of the sander; and/or a plurality of abdicating notches 141 are arranged at the connecting position of the placing plate 11 and the blanking plate 14 at intervals, a plurality of blanking pieces 20 are correspondingly arranged at the plurality of abdicating notches 141, and meanwhile, a plurality of toggle pieces 30 are arranged in one-to-one correspondence with the plurality of blanking pieces 20, so that a plurality of workpieces 100 are correspondingly stacked on the plurality of placing surfaces 211 respectively, and the machining efficiency of the grinding machine is further improved.
In specific implementation, the blanking member 20 includes a first plate, a second plate and a third plate, which are connected in sequence, the first plate and the second plate are arranged vertically, the third plate and the second plate are arranged in an obtuse angle, the first plate and the third plate are located on the same side of the second plate, the second plate is pivotally connected with the support plate 13, and the first plate has a placing surface 211; the stirring piece 30 comprises a driving plate, a connecting plate, a transition plate and a pushing plate which are connected in sequence, the driving plate and the connecting plate are arranged vertically, the pushing plate and the connecting plate are arranged in an obtuse angle mode, the transition plate is located between the pushing plate and the connecting plate and is connected with the supporting plate 13 in a pivoting mode, the angle between the pushing plate and the connecting plate is the same as the angle between the third plate and the second plate, the pushing plate is abutted to the third plate, and the end portion, far away from the connecting plate, of the driving plate serves as a driving end.
In specific implementation, a first notch section arranged on the placing plate 11 is butted with a second notch section arranged on the blanking plate 14 to form a abdicating notch 141; when the blanking member 20 is at the processing position, the first plate is located at the first notch section of the placing plate 11, and when the blanking member 20 is rotated from the processing position to the blanking position, the second plate and the first plate are rotated to the second notch section of the blanking plate 14.
In specific implementation, the pivot point of the blanking member 20 and the support plate 13 is located above the pivot point of the toggle member 30 and the support plate 13.
In specific implementation, when the blanking mechanism finishes blanking, and the workpiece 100 to be machined is manually placed on the placing surface 211 of the blanking piece 20 again, the blanking piece 20 can rotate under the action of the self weight of the workpiece 100, accordingly, the second end 22 of the blanking piece 20 drives the pushing end 31 of the stirring piece 30 to rotate, the placing plate 11 is matched with the stirring piece 30 in a stopping mode to prevent the stirring piece 30 from continuing to rotate, and therefore the blanking piece 20 is enabled to be restored to the machining position from the blanking position.
In specific implementation, the blanking mechanism further includes an elastic member, one end of the elastic member is connected to the stirring member 30, the other end of the elastic member is connected to the supporting structure 10, and the elastic member is configured to drive the stirring member 30 to rotate to an initial position when the output end of the driving structure retracts, so that the blanking member 20 rotates from a blanking position to a processing position. When one end of the elastic piece connected with the stirring piece 30 is close to the pushing end 31 of the stirring piece 30, and when the blanking piece 20 is in a blanking position, the elastic piece is in a stretching state, so that when the output end of the driving structure is in a withdrawing state, the stirring piece 30 rotates under the pulling of the elastic piece, and the blanking piece 20 is driven to rotate from the blanking position to a processing position; when the end of the elastic member connected to the shifting member 30 is close to the driving end 32 of the shifting member 30, and when the blanking member 20 is at the blanking position, the elastic member is in a compressed state, so that after the output end of the driving structure is in a retracted state, the shifting member 30 rotates under the pushing of the elastic member, and further the blanking member 20 is driven to rotate from the blanking position to the processing position.
As shown in fig. 3 to 7, the grinding machine includes a rotary table 1, a plurality of blanking mechanisms 2, and a driving mechanism 3, the rotary table 1 has a feeding station 101 and a blanking station 102, the plurality of blanking mechanisms 2 are disposed on the rotary table 1 at intervals along a circumferential direction of the rotary table 1, the blanking mechanisms 2 are the above-mentioned blanking mechanisms, and the driving mechanism 3 is configured to drive the rotary table 1 to rotate, so that the blanking member 20 of the blanking mechanism 2 rotated to the feeding station 101 is located at a processing position, and the blanking member 20 of the blanking mechanism 2 rotated to the blanking station 102 is rotated from the processing position to the blanking position. In this way, after the workpiece is manually fed at the feeding station 101 and is processed by the polishing mechanism of the polisher, the driving mechanism 3 drives the rotary table 1 to rotate, the processed workpiece 100 rotates to the discharging station 102, and the output end of the driving mechanism of the discharging mechanism 2 is controlled to extend out, so that the stirring member 30 rotates and pushes the discharging member 20 to rotate, the processed workpiece 100 slides down from the placing surface 211 under the action of gravity, and the automatic discharging of the workpiece 100 is realized; after the blanking is finished, the driving mechanism 3 drives the rotary table 1 to continue rotating and rotate to the feeding station 101 for feeding again; by repeating the process, the automatic processing and automatic blanking of the grinding machine can be realized, the processing efficiency of the grinding machine is favorably improved, and the labor intensity of workers is reduced. The application provides a polisher has simple structure, simple operation's unloading mechanism 2.
As shown in fig. 3 and 4, the sander further includes a positioning mechanism 4, the positioning mechanism 4 is disposed at the feeding station 101, and the positioning mechanism 4 includes a positioning shaft 401; the positioning shaft 401 is arranged in a liftable manner along the vertical direction, and the bottom end of the positioning shaft 401 is of a circular truncated cone structure, so that the positioning shaft 401 is driven to descend to extend into the positioning hole 110 of the workpiece 100, so as to adjust the position of the workpiece 100. In this way, at the loading station 101, after manual loading, the stacked multiple workpieces 100 may be misaligned with each other, and after the positioning shaft 401 of the positioning mechanism 4 is pressed down and extends into the positioning hole 110, the position of the workpiece 100 may be adjusted, so that the positioning holes 110 of the multiple workpieces 100 are coaxially arranged, and the stacked multiple workpieces 100 are conveniently ground together. The positioning mechanism 4 of polisher that this application provided is simple structure, convenient operation, and location effect is good, and round platform structure is convenient for location axle 401 and is stretched into in locating hole 110 simultaneously. The grinding machine provided by the application can realize quick clamping and positioning of the workpiece 100.
As shown in fig. 4, the sander further includes a pre-positioning mechanism 5, the pre-positioning mechanism 5 is disposed on the support structure 10 of the blanking mechanism 2, the pre-positioning mechanism 5 includes a first positioning arm 501 and a second positioning arm 502 which are disposed at intervals in the horizontal direction, and a positioning space is formed between the first positioning arm 501 and the second positioning arm 502, so that the positioning structure 120 of the workpiece 100 is located in the positioning space to pre-position the position of the workpiece 100. The position of the workpiece 100 is prepositioned using the first positioning arm 501 and the second positioning arm 502 of the prepositioning mechanism 5 in consideration of the structure of the workpiece 100 itself; when the pre-positioning mechanism 5 and the positioning mechanism 4 are used in a matched manner, the workpiece 100 is pre-positioned by the pre-positioning mechanism 5, then the workpiece 100 is accurately positioned by the positioning mechanism 4, and the positioning shaft 401 of the positioning mechanism 4 can be conveniently extended into the positioning hole 110 due to the arrangement of the pre-positioning mechanism 5.
Optionally, the width of the positioning space is greater than the width of the positioning structure 120, so that when the positioning shaft 401 adjusts the position of the workpiece 100, the positioning structure 120 can move in the positioning space, thereby avoiding the occurrence of a jamming condition, and ensuring that the positioning shaft 401 smoothly presses the workpiece 100.
Optionally, the difference between the width of the positioning space and the width of the positioning structure 120 is 0.5 mm.
Optionally, the first positioning arm 501 and/or the second positioning arm 502 are movably disposed in a horizontal direction to adjust the width of the positioning space by adjusting the position of the first positioning arm 501 and/or the second positioning arm 502. Thus, the pre-positioning mechanism 5 can be adapted to workpieces 100 of different specifications; the side pre-clamping of the workpiece 100 may also be achieved by driving the first positioning arm 501 and/or the second positioning arm 502 to move to clamp the positioning structure 120 of the workpiece 100.
Optionally, the first positioning arm 501 and/or the second positioning arm 502 are driven to move by a pre-positioning cylinder, a cylinder body of the pre-positioning cylinder is arranged on the placing plate 11, and an output end of the pre-positioning cylinder is connected with the first positioning arm 501 or the second positioning arm 502.
Alternatively, the positioning mechanism 4 comprises a positioning cylinder, the positioning shaft 401 is detachably connected with an output end of the positioning cylinder, and the positioning shaft 401 can be replaced to adapt to workpieces 100 with different specifications. Thus, the positioning shaft 401 is driven to ascend and descend by extending or retracting the output end of the positioning cylinder.
As shown in fig. 6 and 7, the driving mechanism 3 includes a cam shaft 301, cams 302, a proximity switch 303 and a driving member 304, wherein the plurality of cams 302 are sleeved on the cam shaft 301 at intervals so that the plurality of cams 302 rotate along with the cam shaft 301; the plurality of convex parts of the plurality of cams 302 are arranged at included angles, the plurality of proximity switches 303 are arranged at intervals along the axial direction of the cam shaft 301, the plurality of proximity switches 303 are arranged in one-to-one correspondence with the plurality of cams 302, and the driving member 304 is used for driving the rotary table 1 to rotate so as to control the driving member 304 to stop running when the convex part of any one of the cams 302 is jointed with the corresponding proximity switch 303. In this way, the projection of the cam 302 is matched with the proximity switch 303 to realize the positioning of the rotary table 1, so that the rotary table 1 can reliably stay at a plurality of stations; the cams 302 can be rotated according to actual conditions, so that the positions of the plurality of convex parts of each cam 302 can be adjusted, the driving piece 304 receives the in-place signal in advance, the speed is reduced in advance, the buffering time is increased, and the impact is reduced. The application provides a polisher has the accurate actuating mechanism 3 in location.
The polisher that this application provided utilizes cam 302 and proximity switch 303 cooperation, compares with the hard spacing of simplex ground machinery in the prior art, has increased buffering time, has reduced the positioning error that the impact arouses, can realize revolving stage 1's accurate location.
As shown in fig. 3 and 5, the rotary table 1 is a three-station rotary table, one loading station 101 and two unloading stations 102; the number of cams 302 is four. To miniature work piece 100, the polisher is very fast to its speed of processing, and the revolving stage of two stations leads to artifical material loading interval time short, has the untimely condition, and revolving stage 1 that this embodiment provided is three station revolving stages to be favorable to the rapid tooling of small-size part, increased artifical material loading time, the design is more humanized.
Optionally, when the rotary table 1 is a three-station rotary table, the rotary table 1 rotates 120 degrees to form a node; when the rotary table 1 is positioned at the rotation origin, one cam is attached to the corresponding proximity switch; when the rotary table 1 rotates by 120 degrees, the other cam is attached to the corresponding proximity switch; when the rotary table 1 rotates for 240 degrees, the other cam is jointed with the corresponding proximity switch, and when the rotary table 1 rotates for 360 degrees, the fourth cam is jointed with the corresponding proximity switch.
In specific implementation, the proximity switches 303 are mounted on the mounting frame 309, a plurality of mounting holes are formed in the mounting frame 309 at intervals along the axial direction of the camshaft 301, and the proximity switches 303 are mounted at the mounting holes in a one-to-one correspondence manner.
As shown in fig. 6, drive mechanism 3 further includes a first toothed plate 305 and a second toothed plate 306, one of first toothed plate 305 and second toothed plate 306 is connected to turntable 1, and the other of first toothed plate 305 and second toothed plate 306 is connected to drive mechanism 3; first toothed disc 305 and/or second toothed disc 306 are movably disposed in a vertical direction so that first toothed disc 305 and second toothed disc 306 are in an engaged state or in a disengaged state; when first toothed disc 305 and second toothed disc 306 are in a meshed state, driving mechanism 3 drives turntable 1 to rotate through first toothed disc 305 and second toothed disc 306; when first and second toothed discs 305, 306 are in a disengaged state, turntable 1 stops rotating.
Optionally, the first toothed disc 305 and the second toothed disc 306 are in a 24-tooth clutch tooth structure, and two or three positions are realized by cooperation of the first toothed disc 305 and the second toothed disc 306 and cooperation of the cam and the proximity switch.
In the specific implementation, as shown in fig. 6, first toothed disc 305 is connected to turntable 1 via a table 307. The driving part 304 is a motor, and the driving mechanism 3 further comprises a motor shield 308 covering the outside of the motor, so that the motor is prevented from being damaged, the service life of the grinding machine is prolonged, and the maintenance period of the grinding machine is prolonged.
In particular implementation, the blanking mechanism 2 is mounted on the upper surface of the turntable 1 by means of a mounting plate 12 of the support structure 10.
In practical implementation, the rotation axis of the turntable 1 extends in a vertical direction, the axis of the cam shaft 301 extends in a first horizontal direction, the axis of the output shaft of the motor extends in a second horizontal direction, the first horizontal direction is perpendicular to the second horizontal direction, and the output shaft of the motor drives the turntable 1 and the cam shaft 301 to rotate synchronously through the transmission mechanism.
The application provides a can realize unloading mechanism and polisher of automatic unloading, has promoted the degree of automation and the machining efficiency of polisher, has reduced workman's intensity of labour.
The application provides a revolving stage 1, unloading mechanism 2, actuating mechanism 3, positioning mechanism 4 and prepositioning 5 except using on the polisher, also can use on other processing equipment, simple structure, range of application are wide.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a unloading mechanism which characterized in that includes:
a support structure (10);
a blanking member (20), said blanking member (20) being pivotably arranged on said support structure (10), said blanking member (20) having a processing position and a blanking position; the blanking member (20) is provided with a first end (21) and a second end (22) which are positioned at two sides of a pivot point of the blanking member, the first end (21) of the blanking member (20) is provided with a placing surface (211), when the blanking member (20) is positioned at the processing position, the placing surface (211) is parallel to a horizontal plane, and when the blanking member (20) is positioned at the blanking position, the placing surface (211) and the horizontal plane are arranged at an included angle;
the stirring piece (30) is arranged on the supporting structure (10) in a pivoting mode, the stirring piece (30) is provided with a pushing end (31) and a driving end (32) which are located on two sides of a pivot point of the stirring piece (30), the pushing end (31) is abutted to the second end (22), and the driving end (32) is pressed to enable the blanking piece (20) to rotate from the machining position to the blanking position under the pushing action of the pushing end (31);
a drive structure disposed above the drive end (32), an output end of the drive structure being telescopically disposed to press the drive end (32) when the output end of the drive structure is extended.
2. Blanking mechanism according to claim 1, wherein the drive end (32) has a drive surface (321), the drive surface (321) being parallel to a horizontal plane and flush with the placement surface (211) when the blanking member (20) is in the working position.
3. Blanking mechanism according to claim 1, wherein the support structure (10) comprises:
a resting plate (11), said resting plate (11) extending in a horizontal direction;
the mounting plates (12) and the placing plates (11) are arranged at intervals in the vertical direction, and the mounting plates (12) are parallel to the placing plates (11);
a support plate (13), the support plate (13) being arranged between the placement plate (11) and the mounting plate (12) and perpendicular to the placement plate (11);
one end of the blanking plate (14) is abutted to the placing plate (11), and the other end of the blanking plate (14) extends downwards in an inclined mode; a yield notch (141) is formed in the joint of the supporting plate (13) and the blanking plate (14), the blanking piece (20) and the toggle piece (30) are both pivotally arranged on the supporting plate (13), the first end (21) is located at the yield notch (141), and the driving end (32) is located on one side, far away from the blanking plate (14), of the placing plate (11);
wherein, when the blanking member (20) is positioned at the processing position, the placing surface (211) is flush with the upper surface of the placing plate (11); when the blanking piece (20) is located at the blanking position, the workpiece (100) located on the placing surface (211) slides onto the blanking plate (14) from the placing surface (211) under the action of gravity.
4. A sander, the sander comprising:
the rotary table (1), the rotary table (1) is provided with a feeding station (101) and a discharging station (102);
the blanking mechanisms (2) are arranged on the rotary table (1) at intervals along the circumferential direction of the rotary table (1), and the blanking mechanisms (2) are as claimed in any one of claims 1 to 3;
the driving mechanism (3) is used for driving the rotary table (1) to rotate so as to enable a blanking part (20) of the blanking mechanism (2) which rotates to the feeding station (101) to be located at a processing position, and enable the blanking part (20) of the blanking mechanism (2) which rotates to the blanking station (102) to rotate to the blanking position from the processing position.
5. The sander of claim 4, further comprising:
the positioning mechanism (4), the positioning mechanism (4) is arranged at the feeding station (101), and the positioning mechanism (4) comprises a positioning shaft (401); the positioning shaft (401) is arranged in a lifting mode along the vertical direction, the bottom end of the positioning shaft (401) is of a circular truncated cone structure, and the positioning shaft (401) is driven to descend to enable the positioning shaft (401) to stretch into a positioning hole (110) of a workpiece (100) so as to adjust the position of the workpiece (100).
6. The sander of claim 4, further comprising:
pre-positioning mechanism (5), pre-positioning mechanism (5) set up on bearing structure (10) of unloading mechanism (2), pre-positioning mechanism (5) are including first location arm (501) and second location arm (502) that set up along the horizontal direction interval, first location arm (501) with form the location space between second location arm (502) to make location structure (120) of work piece (100) be located in the location space and right the position of work piece (100) is carried out the pre-positioning.
7. A sanding machine according to claim 6,
the width of the positioning space is larger than the width of the positioning structure (120); and/or
The first positioning arm (501) and/or the second positioning arm (502) are movably disposed in a horizontal direction to adjust a width of the positioning space by adjusting a position of the first positioning arm (501) and/or the second positioning arm (502).
8. A sanding machine according to claim 4, characterized in that the drive mechanism (3) comprises:
a camshaft (301);
the cams (302) are sleeved on the cam shaft (301) at intervals, so that the cams (302) rotate along with the cam shaft (301); a plurality of convex parts of the plurality of cams (302) are arranged in an included angle manner;
a plurality of proximity switches (303) arranged at intervals in the axial direction of the cam shaft (301), the plurality of proximity switches (303) being provided in one-to-one correspondence with the plurality of cams (302);
the driving piece (304) is used for driving the rotary table (1) to rotate, so that when the bulge of any one cam (302) is jointed with the corresponding proximity switch (303), the driving piece (304) is controlled to stop running.
9. Sander according to claim 8, characterized in that the turntable (1) is a three-station turntable, the feeding station (101) is one, the blanking station (102) is two; the number of the cams (302) is four.
10. A sanding machine according to claim 4, characterized in that the drive mechanism (3) further comprises:
a first toothed disc (305) and a second toothed disc (306), one of said first toothed disc (305) and said second toothed disc (306) being connected to said turntable (1), the other of said first toothed disc (305) and said second toothed disc (306) being connected to said drive mechanism (3); the first toothed plate (305) and/or the second toothed plate (306) are arranged to be movable in a vertical direction, so that the first toothed plate (305) and the second toothed plate (306) are in an engaged state or in a disengaged state;
when the first fluted disc (305) and the second fluted disc (306) are in the meshing state, the driving mechanism (3) drives the rotary table (1) to rotate through the first fluted disc (305) and the second fluted disc (306); when the first toothed disc (305) and the second toothed disc (306) are in the disengaged state, the rotation of the turntable (1) is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128779.4A CN110788748A (en) | 2019-11-18 | 2019-11-18 | Blanking mechanism and grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911128779.4A CN110788748A (en) | 2019-11-18 | 2019-11-18 | Blanking mechanism and grinding machine |
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| CN110788748A true CN110788748A (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911128779.4A Pending CN110788748A (en) | 2019-11-18 | 2019-11-18 | Blanking mechanism and grinding machine |
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