CN112223067A - Multipurpose grinding and polishing machine capable of increasing sample grinding amount control - Google Patents
Multipurpose grinding and polishing machine capable of increasing sample grinding amount control Download PDFInfo
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- CN112223067A CN112223067A CN202011281887.8A CN202011281887A CN112223067A CN 112223067 A CN112223067 A CN 112223067A CN 202011281887 A CN202011281887 A CN 202011281887A CN 112223067 A CN112223067 A CN 112223067A
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- 230000006698 induction Effects 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007517 polishing process Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
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- 230000000694 effects Effects 0.000 description 2
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- 241001391944 Commicarpus scandens Species 0.000 description 1
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- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000004880 explosion Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B24B27/00—Other grinding machines or devices
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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
- B24B27/0092—Grinding attachments for lathes or the like
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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
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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
- B24B41/06—Work supports, e.g. adjustable steadies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/32—Polishing; Etching
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a multipurpose grinding and polishing machine for increasing the grinding quantity control of a sample, which comprises a base; a grinding and polishing station is arranged on the base; one side of the grinding and polishing station is provided with the lower part of a vertical arm of a supporting vertical arm, and the supporting vertical arm is provided with a head part for grinding and polishing a sample at the grinding and polishing station; the head part is provided with a lifting part; the lower end of the lifting part is provided with a sample bracket I which is movably sleeved on a sample or a sample bracket II which clamps a sample; the lifting part comprises a lifting frame body which lifts at the top of the supporting vertical arm; a lifting lead screw, a lifting slide rail, a swinging frame body, a lifting guide wheel and a lifting fixing screw base are arranged between the lifting frame body and the supporting vertical arm, and the lifting lead screw drives the lifting frame body to move up and down on the swinging frame body; the invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a multipurpose grinding and polishing machine for controlling sample grinding amount.
Background
Grinder polishers are used in many industries. They are often used for preparing metal, polymer, ceramic or similar samples for further experiments, for example for metallographic experiments. Known grinder polishers include a specimen or sample holder that is configured to rotate relative to a platen, which is also configured to rotate. In this way, there are two rotational actions occurring simultaneously. Slurry (typically an abrasive) is poured onto the platen to provide an abrasive medium for grinding and polishing the sample. The sample holder is supported for rotation on the chuck. The holder is a planar disc with a plurality of wells in which the sample is located. In one approach, the sample is locked into a holder and pressed against a platen by the holder applying downward pressure. When the holder and platen rotate, the pressure exerted by the holder (and sample) acts in conjunction with the abrasive action of the slurry to produce an abrasive and polishing action on the sample. In another approach, the sample floats within the holder and the plunger is moved into contact with the sample to apply pressure to the sample. In addition, when the holder and platen rotate, the pressure exerted by the plunger, together with the abrasive action of the slurry, results in a grinding and polishing action on the sample. The movement of the carriage toward and away from the platen is controlled by a drive located in the grinder/polisher head. A drive motor is used to position the holder and thus the sample relative to the platen. One drawback of known lapping and polishing machines is that there are no good positioning controls or mechanisms to precisely control the position of the carrier relative to the platen. The platen is supported within the bowl. The bowl serves as a receptacle for debris generated during grinding or polishing operations. Water or other liquid is used to flush the bowl to remove debris.
The prior patent CN201610035016.5 provides an improved grinding and polishing machine. The specific contents are as follows: the method comprises the following steps: a base having a bowl, a rotating drive plate and a drive plate drive, the drive plate adapted to support a platen; a head arranged to support the sample holder and having a first drive means for rotational drive of the sample holder, the head having a second drive means for moving the sample holder towards and away from the platen, a portion of the head being rotatable with the sample holder; a lead screw for moving the sample support toward and away from the platen, the lead screw being connected to a counter, wherein a lead screw gear is mounted on the lead screw, and the counter is driven by a pinion gear engaged with the lead screw gear, wherein the lead screw gear is larger than the pinion gear; and; a finger that is extendable from and retractable from a portion of the head that is rotatable with the sample support, the finger being configured to contact a sample positioned on the sample support and to exert pressure on the sample to cause the sample to engage the platen.
An improved grinder/polisher comprising: a head configured to support a sample support and having a first drive for rotational driving of the sample support, the head having a second drive for moving the sample support toward and away from the platen; and a lead screw for moving the sample holder toward and away from the platen, the lead screw being connected to a counter, wherein a lead screw gear is fitted on the lead screw, and the counter is driven by a pinion gear engaged with the lead screw gear, wherein the lead screw gear is larger than the pinion gear.
And the distinguishing features in this patent publication compared to the publication are: "the counter is driven by a pinion gear meshing with the lead screw gear, wherein the lead screw gear is larger than the pinion gear", however, the above distinctive features thereof have the beneficial effects that: the rotation of the lead screw can be monitored and controlled with great accuracy. This provides the ability to precisely control the movement of the head relative to the platen. The inventor of the patent discusses automobile gear shifting with friends when driving at a second high speed, and when the high-speed turning-around is dangerous compared with the low-speed turning-around, the inventor feels absentless and drives the automobile back to an enterprise immediately to research the grinding and polishing machine, and the thought of the prior art is problematic. Firstly, the control precision is extremely pursued, only the working process is simply analyzed, the working process is not really and comprehensively analyzed, and a conclusion is naturally drawn, the large gear drives the small gear to rotate, the counter is forced to rotate at a high speed, the grinding and polishing machine needs to return quickly after descending, the large gear is inevitably impacted on the small gear in a reverse rotation mode, the large gear collides on the small gear strongly, the noise is high, the teeth are easy to break, in addition, because the reverse time of the small gear is long, Ft = -2mv, under the same reaction force, the reverse time of the small gear is long, the reverse gear can be surprisingly found through a formula, the low-speed effect is better in the reverse direction, the collision can be avoided, the reverse gear is just the reverse gear of 5 and the reverse gear of 1, and the precision of the counter is enough to ensure the lifting precision. So it is comparable to the prior art. In addition, in actual operation, the sample is replaced without adopting a second driving device, the flexibility of the sample is far less than that of manual operation, the flexibility is good, the samples are generally carried out in small batches or in single pieces, the manual piece taking effect is better than that of a machine, and the automation for pursuing automation is not separated from the actual situation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multipurpose grinding and polishing machine for controlling the grinding quantity of a sample.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a multipurpose grinding and polishing machine for increasing the grinding quantity control of a sample comprises a base; a grinding and polishing station is arranged on the base; one side of the grinding and polishing station is provided with the lower part of a vertical arm of a supporting vertical arm, and the supporting vertical arm is provided with a head part for grinding and polishing a sample at the grinding and polishing station;
the head part is provided with a lifting part; the lower end of the lifting part is provided with a sample bracket I which is movably sleeved on a sample or a sample bracket II which clamps a sample;
the lifting part comprises a lifting frame body which lifts at the top of the supporting vertical arm; a lifting lead screw, a lifting slide rail, a swinging frame body, a lifting guide wheel and a lifting fixing screw base are arranged between the lifting frame body and the supporting vertical arm, and the lifting lead screw drives the lifting frame body to move up and down on the swinging frame body;
when the lifting lead screw is arranged on the lifting frame body, a lifting driver and a lifting counter are arranged on the lifting frame body, a lifting screw input wheel and a lifting counting first gear are coaxially arranged at the upper end of the lifting lead screw, and the lifting counter is in transmission connection with a lifting counting second gear;
the lifting counting first gear is in transmission connection with the lifting counting second gear, and the lifting screw input wheel is in transmission connection with the lifting driver;
the first gear of the lifting counting is smaller than the second gear of the lifting counting.
As a further improvement of the above technical solution:
a grinding and polishing head locking device is arranged on the supporting vertical arm to connect the head part and clamp the head part on the supporting vertical arm;
the grinding and polishing head locking device comprises a swinging frame body and a clamping C-shaped opening bent arm sleeved at the head part of the supporting vertical arm; the clamping C-shaped opening bent arm is provided with a clamping bent arm movable end and a clamping bent arm root;
the swing frame body is provided with a swing rotating hole and a swing driving hole, a clamping driving air cylinder is installed in the swing driving hole, a clamping guide sleeve is vertically arranged in the swing rotating hole, a clamping rotating shaft is arranged in the clamping guide sleeve, a clamping swing arm is hinged between the clamping driving air cylinder and the clamping rotating shaft, a clamping eccentric part is arranged at the lower part of the clamping rotating shaft, a clamping process notch is arranged at the clamping eccentric part, and one end of a clamping force applying arm is hinged to the clamping eccentric part in the clamping process notch; the other end of the clamping force applying arm is connected with the root of the clamping bent arm; one end of the clamping force applying arm passes through the movable end of the clamping bent arm to be exposed; the clamping C-shaped opening bent arm is held on the supporting vertical arm through the movable end of the clamping bent arm and the root of the clamping bent arm; the outer side wall of the clamping eccentric part is in rotating pressure contact with the side surface of the movable end of the clamping bent arm;
an opening is arranged between the movable end of the clamping bent arm and the root part of the clamping bent arm;
a vertical mounting hole is arranged on the supporting vertical arm and is sleeved on the supporting vertical arm;
the clamping driving cylinder drives the clamping rotating shaft to rotate in the clamping guide sleeve through the clamping swing arm, the clamping eccentric portion drives the clamping force applying arm to swing, and the clamping force applying arm pushes the movable end of the clamping bent arm to the root of the clamping bent arm, so that the opening is reduced to be clamped on the supporting vertical arm.
A swing induction sector plate is arranged on the supporting vertical arm, and a swing angle sensor which swings relative to the swing induction sector plate is arranged on the clamping fixing frame; when the swing sensing sector plate sets an angle to sense the swing angle sensor, a sensing signal is 1 or 0; when the set angle of the swing induction sector plate does not induce the swing angle sensor, the sensing signal is 0 or 1.
A lifting guide wheel and a lifting fixing screw base are arranged on the swinging frame body,
the lifting frame body is provided with a rotating motor and a rotating input wheel frame body in transmission connection with the rotating motor, and the rotating input wheel frame body is coaxially and rotatably arranged with the sample support I or the sample support; the first sample support or the sample support is arranged on the lifting frame body in a lifting mode through the main driving shaft body;
the finger-shaped object is vertically arranged on the rotary input wheel frame body;
a return spring is arranged between the finger-shaped object and the rotary input wheel carrier body;
a main driving shaft body is arranged on the rotary input wheel frame body;
the lower end of the main driving shaft body is connected with a first sample support or a second sample support; the lifting frame body is provided with a load cell which is used for contacting with the main driving shaft body.
The grinding and polishing station is provided with a grinding disc A and/or a grinding disc B for supporting and carrying the sample;
the grinding disc A and the grinding disc B are driven to rotate by respective rotation driving parts;
the rotary driving part drives the corresponding grinding disc A or grinding disc B to rotate through a gear or a transmission belt;
and a liquid inlet flushing pipe and a liquid discharge pipeline are arranged at the grinding and polishing station.
A multipurpose grinding and polishing machine for increasing the grinding amount control of a sample is provided with a grinding and polishing head locking device, a grinding and polishing head locking device and a supporting vertical arm; the device comprises a support vertical arm of a grinding and polishing machine or a swing frame body of the grinding and polishing machine, wherein a swing induction sector plate is arranged on the swing frame body or the support vertical arm; when the swing sensing sector plate sets an angle to sense the swing angle sensor, a sensing signal is 1 or 0; when the set angle of the swing induction sector plate does not induce the swing angle sensor, the sensing signal is 0 or 1.
A multipurpose grinding and polishing machine for increasing the grinding quantity control of a sample comprises a base; a supporting vertical arm is arranged on the base, and a head part is arranged on the supporting vertical arm and used for grinding and polishing the sample at a grinding and polishing station;
the head part is provided with a lifting part; the lower end of the lifting part is provided with a sample bracket I and a finger-shaped object or a sample bracket II carrying a sample, which are movably sleeved on the sample;
the supporting vertical arm is provided with a polishing head locking device so as to connect the head part and clamp the head part on the supporting vertical arm.
As a further improvement of the above technical solution:
the grinding and polishing head locking device comprises a swinging frame body, a swinging frame body and a clamping C-shaped opening bent arm sleeved at the head part of the supporting vertical arm; the clamping C-shaped opening bent arm is provided with a clamping bent arm movable end and a clamping bent arm root; the outer side wall of the clamping eccentric part is in rotating pressure contact with the side surface of the movable end of the clamping bent arm;
the clamping C-shaped opening bent arm is held on the supporting vertical arm through the movable end of the clamping bent arm and the root of the clamping bent arm;
the swing frame body is provided with a swing rotating hole and a swing driving hole, a clamping driving air cylinder is installed in the swing driving hole, a clamping guide sleeve is vertically arranged in the swing rotating hole, a clamping rotating shaft is arranged in the clamping guide sleeve, a clamping swing arm is hinged between the clamping driving air cylinder and the clamping rotating shaft, a clamping eccentric part is arranged at the lower part of the clamping rotating shaft, a clamping process notch is arranged at the clamping eccentric part, and one end of a clamping force applying arm is hinged to the clamping eccentric part in the clamping process notch; the other end of the clamping force applying arm is connected with the root of the clamping bent arm; one end of the clamping force applying arm passes through the movable end of the clamping bent arm to be exposed; the clamping C-shaped opening bent arm is held on the supporting vertical arm through the movable end of the clamping bent arm and the root of the clamping bent arm;
an opening is arranged between the movable end of the clamping bent arm and the root part of the clamping bent arm;
a vertical mounting hole is arranged on the supporting vertical arm and is sleeved on the supporting vertical arm;
the clamping driving cylinder drives the clamping rotating shaft to rotate in the clamping guide sleeve through the clamping swing arm, the clamping eccentric portion drives the clamping force applying arm to swing, and the clamping force applying arm pushes the movable end of the clamping bent arm to the root of the clamping bent arm, so that the opening is reduced to be clamped on the supporting vertical arm.
A multipurpose grinding and polishing machine capable of increasing the grinding quantity control of a sample comprises
A base having a rotating drive plate and a drive plate drive, the drive plate adapted to support a platen;
a head arranged to support the sample holder and having first drive means for rotational driving of the sample holder; and
a lead screw for moving the sample holder toward and away from the platen, the lead screw being connected to a counter, wherein a lead screw gear is mounted on the lead screw, and the counter is driven by a count gear engaged with the lead screw gear, the lead screw gear being smaller than the count gear; and
a finger that can extend or retract from a portion of the head that is rotatable with the sample support, the finger configured to contact a sample positioned on the sample support and apply pressure on the sample to cause the sample main drive shaft to engage the platen.
A multipurpose grinding and polishing machine for increasing the grinding quantity control of a sample,
a head arranged to support the sample holder and having first drive means for rotational driving of the sample holder;
the head having a second drive means for moving the sample support towards and away from the platen;
and
a lead screw for moving the sample holder toward and away from the platen, the lead screw being connected to a counter, wherein a lead screw gear is mounted on the lead screw, and the counter is driven by a count gear engaged with the lead screw gear, the lead screw gear being smaller than the count gear;
the sample support is a second sample support carrying a sample.
The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use.
Drawings
Fig. 1 is a schematic diagram of the use structure of the invention.
Fig. 2 is a schematic view of the base structure of the present invention.
Fig. 3 is a schematic view of the head structure of the present invention.
Fig. 4 is a schematic view of the head explosion structure of the present invention.
Fig. 5 is a schematic diagram of the use structure of the components of the invention.
Fig. 6 is a schematic view of the lifting structure of the present invention.
Fig. 7 is a schematic diagram of the counting structure of the present invention.
Fig. 8 is a schematic view of the finger structure of the present invention.
FIG. 9 is a schematic view of the load cell configuration of the present invention.
FIG. 10 is a sample holder of the present invention.
Wherein: 1. A base; 2. grinding and polishing stations; 3. a head portion; 4. grinding disc A; 5. a grinding disc B; 6. a rotation driving section; 7. a liquid inlet flushing pipe; 8. a drainage line; 9. a support vertical arm; 10. a polishing head locking device; 11. a lifting part; 12. the lower part of the vertical arm; 13. a first sample support; 14. a finger; 15. a clamping driving cylinder; 16. clamping the swing arm; 17. clamping a guide sleeve; 18. clamping the rotating shaft; 19. clamping a process notch; 20. a clamping eccentric part; 21. clamping a force application arm; 22. clamping the C-shaped opening bent arm; 23. clamping the movable end of the bent arm; 25. Clamping the root of the bent arm; 26. swinging the induction sector plate; 27. a swing angle sensor; 28. swinging the frame body; 29. swinging the rotary hole; 30. a swing drive hole; 31. a vertical mounting hole; 32. a lifting guide wheel; 33. lifting and fixing the nut seat; 34. a lifting frame body; 35. lifting the slide rail; 36. a lifting lead screw; 37. a lift drive; 38. a lifting screw input wheel; 39. a first gear for up-down counting; 40. a second gear for lifting and counting; 41. a lifting counter; 42. a rotation motor; 43. a main drive shaft body; 44. a rotating input wheel frame body; 45. a load cell; 46. a return spring; 48. A second sample support; 49. and (3) sampling.
Detailed Description
As shown in fig. 1 to 10, the multipurpose polishing machine for controlling the sample grinding amount of the present embodiment includes a base 1; a grinding and polishing station 2 is arranged on the base 1; a vertical arm lower part 12 for supporting the vertical arm 9 is arranged on one side of the grinding and polishing station 2, and a head part 3 is arranged on the supporting vertical arm 9 and is used for grinding and polishing the sample at the grinding and polishing station 2; the lower part 12 of the upright arm can be a flange, a bracket, a support and other intermediate connectors.
The head 3 is provided with a lifting part 11; the lower end of the lifting part 11 is provided with a sample bracket II 48 which is movably sleeved on the sample bracket I13 and the finger 14 or clamps a sample 49;
the lifting part 11 includes a lifting frame body 34 which lifts on the top of the supporting vertical arm 9; a lifting lead screw 36, a lifting slide rail 35, a swinging frame body (28), a lifting guide wheel (32) and a lifting fixing screw base (33) are arranged between the lifting frame body 34 and the supporting vertical arm 9, and the lifting lead screw (36) drives the lifting frame body (34) to move up and down on the swinging frame body (28); so as to realize the approaching or departing of the sample bracket I13 or the sample bracket II 48 carrying the sample 49 relative to the grinding disc.
As shown in fig. 6-7, when the lifting lead screw 36 is disposed on the lifting frame body 34, the lifting driver 37 and the lifting counter 41 are disposed on the lifting frame body 34, the lifting lead screw 36 is coaxially disposed at the upper end thereof with the lifting screw input wheel 38 and the lifting counting first gear 39, and the lifting counter 41 is drivingly connected with the lifting counting second gear 40; the lifting is controlled by gear transmission or belt transmission.
The first lifting counting gear 39 is in transmission connection with the second lifting counting gear 40, and the input wheel 38 of the lifting screw is in transmission connection with the lifting driver 37; of course, belt transmission, chain transmission and the like are adopted in the protection scope.
The first gear 39 of the lifting counting is smaller than the second gear 40 of the lifting counting, thereby realizing the similar low-speed direction change, conveniently and rapidly lifting to adjust the downward pressure, and also solving the problems of large noise of the traditional direction change, easy tooth punching in the reverse direction, large impulse and the like, and the precision problem, the prior art solves, changes the traditional thinking, pursues the extreme of the positioning sensing precision, only considers the simple descending, and ignores the influence of the direction change on the working process.
As shown in fig. 4-5, a polishing head locking device 10 is provided on the supporting upright arm 9 to connect the head 3 and clamp the head 3 on the supporting upright arm 9;
the grinding and polishing head locking device 10 comprises a swinging frame body 28 and a clamping C-shaped opening bent arm 22 sleeved at the head part of the supporting vertical arm 9; the clamping C-shaped opening bent arm 22 is provided with a clamping bent arm movable end 23 and a clamping bent arm root part 25;
the swing frame body 28 is provided with a swing rotation hole 29 and a swing driving hole 30, a clamping driving cylinder 15 is installed in the swing driving hole 30, a clamping guide sleeve 17 is vertically arranged in the swing rotation hole 29, a clamping rotating shaft 18 is arranged in the clamping guide sleeve 17, a clamping swing arm 16 is hinged between the clamping driving cylinder 15 and the clamping rotating shaft 18, a clamping eccentric part 20 is arranged at the lower part of the clamping rotating shaft 18, a clamping process notch 19 is arranged at the clamping eccentric part 20, and in the clamping process notch 19, the clamping eccentric part 20 is hinged with one end of a clamping force application arm 21; the other end of the clamping force applying arm 21 is connected with the root part 25 of the clamping bent arm; one end of the clamping force applying arm 21 passes through the movable end 23 of the clamping bent arm to be exposed; the clamping C-shaped opening bent arm 22 is held on the supporting vertical arm 9 through a clamping bent arm movable end 23 and a clamping bent arm root part 25; the outer side wall of the clamping eccentric part 20 is in rotating pressure contact with the side surface of the movable end 23 of the clamping bent arm;
an opening is arranged between the movable end 23 of the clamping bent arm and the root 25 of the clamping bent arm;
a vertical mounting hole 31 is arranged on the swing frame body 28 and is sleeved on the supporting vertical arm 9;
the clamping driving cylinder 15 drives the clamping rotating shaft 18 to rotate in the clamping guide sleeve 17 through the clamping swing arm 16, the clamping eccentric part 20 drives the clamping force applying arm 21 to swing, the clamping eccentric part 20 rotates and extrudes, and the clamping process notch 19 and the eccentric clamping force applying arm 21 are utilized to relatively move the movable end 23 of the clamping bent arm and the root 25 of the clamping bent arm, so that the opening is reduced to be clamped on the supporting vertical arm 9; preferably, a spring sleeved on the eccentric clamping force application arm 21 is arranged between the movable end 23 of the clamping bent arm and the root 25 of the clamping bent arm, so that automatic opening is realized.
The grinding and polishing head locking device locks the grinding and polishing head on the supporting vertical arm to avoid the left and right swinging when the equipment runs; the clamping eccentric part is driven by the cylinder, and the C-shaped opening bent arm 22 is adjusted to be opened and closed, so that the grinding and polishing head is locked on the supporting vertical arm.
In the lifting scheme, a lifting guide wheel 32 and a lifting fixing screw seat 33 are arranged on a swinging frame body 28,
a rotating motor 42 and a rotating input wheel frame body 44 in transmission connection with the rotating motor 42 are arranged on the lifting frame body 34, and the rotating input wheel frame body 44 is coaxially and rotatably arranged with the first sample support 13 or the sample support 48; the first sample support 13 or the sample support 48 is arranged on the lifting frame body 34 in a lifting mode through the main driving shaft body 43;
the finger 14 is vertically disposed on the rotating input reel body 44;
a return spring 46 is provided between the finger 14 and the rotary input carrier body 44;
a main drive shaft body 43 is provided on the rotation input carrier body 44; the lower end of the main driving shaft body 43 is connected with the first sample bracket 13 or the second sample bracket 48; a load cell 45 is provided on the cage body 34 for contact with the main drive shaft body 43.
In the grinding and polishing process of the sample, the force applied above the sample is divided into two forms, one form is that the force F applied above the sample by the finger 14 can be set according to requirements, and the influence on the grinding and polishing of the sample caused by the overlarge or insufficient force F applied above the sample in the grinding and polishing process is avoided; the other mode is that feedback is carried out through a load cell 45, the descending distance is controlled, accurate real-time adjustment of ascending and descending is realized, the required F is achieved, the descending distance is recorded in real time, and the descending distance is used as a key basis for how much the sample is removed by grinding (the grinding amount of the sample is simply called). The force F exerted on the sample is displayed in real time by the liquid crystal screen, so that the force F exerted on the sample by the grinding and polishing process can be easily quantified.
As in fig. 1-2, at polishing station 2, there was abrasive disc a4 and/or abrasive disc B5 for carrying the sample; the number of the grinding discs in the structure is not limited.
The grinding disc A4 and the grinding disc B5 are driven to rotate by respective rotation driving parts 6 respectively, or can be driven to rotate by a driver at the same time; the driving method is not limited to gears, chains, belts, or the like.
The rotary driving part 6 drives the corresponding grinding disc A4 or grinding disc B5 to rotate through a gear or a transmission belt;
and a liquid inlet flushing pipe 7 and a liquid discharge pipeline 8 are arranged at the grinding and polishing station 2 to realize flushing.
A swing sensing sector plate 26 is provided on the support vertical arm 9, and a swing angle sensor 27 that swings with respect to the swing sensing sector plate 26 is provided on the swing frame body 28. And realizing angle control. When the swing sensing sector plate 26 sets an angle to sense the swing angle sensor 27, the sensing signal is 1 or 0; when the set angle of the swing sensing sector plate 26 does not sense the swing angle sensor 27, the sensing signal is 0 or 1; the number of the swing sensor sector plates 26 is not limited, and the positions of the swing sensor sector plates and the swing angle sensor 27 can be changed or other equivalent modifications can be made. The angle control may be a variety of schemes.
The invention has the following functions: the grinding disc A and the grinding disc B are provided with independent drivers to independently control the starting and stopping of the grinding discs; a swinging induction sector plate is arranged and fixed on the supporting vertical arm, and a position detection sensor is fixed on the grinding and polishing head and swings along with the grinding and polishing head to detect the position of the grinding and polishing head and realize the independent control of the grinding and polishing disk;
1. when the grinding and polishing head is positioned on the upper side of the grinding disc A, the grinding disc A works and the grinding disc B does not work when a start button is pressed to operate; when the grinding disc A works, the base control panel can be operated to control the grinding disc B to run and stop; 2. when the grinding and polishing head is positioned at the upper side of the grinding disc A, the grinding disc A does not work, and the base control panel can be operated to control the grinding disc B to run and stop; 3. when the grinding and polishing head is positioned on the upper side of the grinding disc B, the grinding disc B works and the grinding disc A does not work when a start button is pressed to operate; when the grinding disc B works, the base control panel can be operated to control the grinding disc A to run and stop; 4. when the grinding and polishing head is positioned at the upper side of the grinding disc B, the grinding disc B does not work, and the base control panel can be operated to control the grinding disc A to run and stop; 5. when the grinding and polishing head does not work, the grinding disc A/B can be independently controlled by the base control panel.
The invention can be more suitable for schools. The pressure control device is reasonable in structure, changes the traditional thinking, and can realize rapid lifting adjustment and pressure control F.
The present invention has been described in sufficient detail for clarity of disclosure and is not exhaustive of the prior art.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A multipurpose grinding and polishing machine for increasing the grinding quantity control of a sample comprises a base (1); a grinding and polishing station (2) is arranged on the base (1); a vertical arm lower part (12) for supporting a vertical arm (9) is arranged on one side of the grinding and polishing station (2), and a head part (3) is arranged on the supporting vertical arm (9) and is used for grinding and polishing a sample at the grinding and polishing station (2);
the head part (3) is provided with a lifting part (11); a first sample support (13) movably sleeved on the sample (49) or a second sample support (48) clamping the sample (49) is arranged at the lower end of the lifting part (11);
the method is characterized in that: the lifting part (11) comprises a lifting frame body (34) which lifts at the top of the supporting vertical arm (9); a lifting lead screw (36), a lifting slide rail (35), a swinging frame body (28), a lifting guide wheel (32) and a lifting fixing screw base (33) are arranged between the lifting frame body (34) and the supporting vertical arm (9), and the lifting lead screw (36) drives the lifting frame body (34) to move up and down on the swinging frame body (28);
when the lifting lead screw (36) is arranged on the lifting frame body (34), a lifting driver (37) and a lifting counter (41) are arranged on the lifting frame body (34), a lifting screw input wheel (38) and a lifting counting first gear (39) are coaxially arranged at the upper end of the lifting lead screw (36), and the lifting counter (41) is in transmission connection with a lifting counting second gear (40);
the first lifting counting gear (39) is in transmission connection with the second lifting counting gear (40), and the input wheel (38) of the lifting screw is in transmission connection with the lifting driver (37);
the first gear (39) for up-down counting is smaller than the second gear (40) for up-down counting.
2. The multipurpose grinding and polishing machine for increasing the control of sample grinding volume according to claim 1, characterized in that: a grinding and polishing head locking device (10) is arranged on the supporting vertical arm (9) to connect the head part (3) and clamp the head part (3) on the supporting vertical arm (9);
the grinding and polishing head locking device (10) comprises a swinging frame body (28) and a clamping C-shaped opening bent arm (22) sleeved at the head part of the supporting vertical arm (9); the clamping C-shaped opening bent arm (22) is provided with a clamping bent arm movable end (23) and a clamping bent arm root part (25);
the swing frame body (28) is provided with a swing rotating hole (29) and a swing driving hole (30), a clamping driving cylinder (15) is installed in the swing driving hole (30), a clamping guide sleeve (17) is vertically arranged in the swing rotating hole (29), a clamping rotating shaft (18) is arranged in the clamping guide sleeve (17), a clamping swing arm (16) is hinged between the clamping driving cylinder (15) and the clamping rotating shaft (18), the lower part of the clamping rotating shaft (18) is provided with a clamping eccentric part (20), a clamping process notch (19) is arranged at the clamping eccentric part (20), and in the clamping process notch (19), the clamping eccentric part (20) is hinged with one end of a clamping force applying arm (21); the other end of the clamping force applying arm (21) is connected with the root part (25) of the clamping bent arm; one end of the clamping force applying arm (21) passes through the movable end (23) of the clamping bent arm to be exposed; the clamping C-shaped opening bent arm (22) is held on the supporting vertical arm (9) through a clamping bent arm movable end (23) and a clamping bent arm root part (25); the outer side wall of the clamping eccentric part (20) is in rotating pressure contact with the side surface of the movable end (23) of the clamping bent arm;
an opening is arranged between the movable end (23) of the clamping bent arm and the root (25) of the clamping bent arm;
a vertical mounting hole (31) is formed in the supporting vertical arm (9) and sleeved on the supporting vertical arm (9);
the clamping driving cylinder (15) drives the clamping rotating shaft (18) to rotate in the clamping guide sleeve (17) through the clamping swing arm (16), the clamping eccentric portion (20) drives the clamping force applying arm (21) to swing, and the clamping force applying arm (21) pushes the movable end (23) of the clamping bent arm to the root portion (25) of the clamping bent arm, so that the opening is reduced to be clamped on the supporting vertical arm (9).
3. The multipurpose grinding and polishing machine for increasing the sample grinding quantity control according to claim 2, characterized in that: a swing induction sector plate (26) is arranged on the supporting vertical arm (9), and a swing angle sensor (27) which swings relative to the swing induction sector plate (26) is arranged on the swing frame body (28); when the swing sensing sector plate (26) sets an angle to sense a swing angle sensor (27), a sensing signal is 1 or 0; when the set angle of the swing induction sector plate (26) does not induce the swing angle sensor (27), the sensing signal is 0 or 1.
4. The multipurpose grinding and polishing machine for increasing the sample grinding quantity control according to claim 2, characterized in that: a lifting guide wheel (32) and a lifting fixing screw seat (33) are arranged on the swinging frame body (28),
a rotating motor (42) and a rotating input wheel frame body (44) in transmission connection with the rotating motor (42) are arranged on the lifting frame body (34), and the rotating input wheel frame body (44) is coaxially and rotatably arranged with the sample support I (13) or the sample support (48); the first sample support (13) or the sample support (48) is arranged on the lifting support body (34) in a lifting mode through the main driving shaft body (43);
the finger (14) is vertically arranged on the rotary input wheel frame body (44);
a return spring (46) is arranged between the finger (14) and the rotary input wheel frame body (44);
a main driving shaft body (43) is arranged on the rotary input wheel frame body (44);
the lower end of the main driving shaft body (43) is connected with a first sample support (13) or a second sample support (48); a load cell (45) is provided on the cage body (34) for contact with the main drive shaft body (43).
5. The multipurpose grinding and polishing machine for increasing the control of sample grinding volume according to claim 1, characterized in that: a grinding disc A (4) and/or a grinding disc B (5) for supporting the sample are/is arranged at the grinding and polishing station (2);
the grinding disc A (4) and the grinding disc B (5) are driven to rotate by respective rotation driving parts (6);
the rotary driving part (6) drives the corresponding grinding disc A (4) or grinding disc B (5) to rotate through a gear or a transmission belt;
the grinding and polishing station (2) is provided with a liquid inlet flushing pipe (7) and a liquid discharge pipeline (8).
6. The utility model provides an increase multipurpose grinding and polishing machine of sample grinding volume control which characterized in that: the polishing head locking device is provided with a polishing head locking device (10) which is used for locking the head (3) and the supporting vertical arm (9); the device comprises a support vertical arm (9) of the grinding and polishing machine or a swing frame body (28) of the grinding and polishing machine, wherein a swing induction sector plate (26) is arranged on the swing frame body (28) or the support vertical arm (9), and a swing angle sensor (27) swinging relative to the swing induction sector plate (26) is arranged on the swing frame body; when the swing sensing sector plate (26) sets an angle to sense a swing angle sensor (27), a sensing signal is 1 or 0; when the set angle of the swing induction sector plate (26) does not induce the swing angle sensor (27), the sensing signal is 0 or 1.
7. The utility model provides an increase multipurpose grinding and polishing machine of sample grinding volume control which characterized in that: comprises a base (1); a supporting vertical arm (9) is arranged on the base (1), and a head (3) is arranged on the supporting vertical arm (9) and is used for grinding and polishing the sample at the grinding and polishing station (2);
the head part (3) is provided with a lifting part (11); the lower end of the lifting part (11) is provided with a first sample support (13) movably sleeved on a sample (49) and a finger (14) or a second sample support (48) carrying the sample (49);
the method is characterized in that: a grinding and polishing head locking device (10) is arranged on the supporting vertical arm (9) so as to connect the head part (3) and clamp the head part (3) on the supporting vertical arm (9).
8. The multipurpose grinding and polishing machine for increasing the control of sample grinding volume according to claim 7, characterized in that:
the grinding and polishing head locking device (10) comprises a swinging frame body (28), a swinging frame body (28) and a clamping C-shaped opening bent arm (22) sleeved at the head part of the supporting vertical arm (9); the clamping C-shaped opening bent arm (22) is provided with a clamping bent arm movable end (23) and a clamping bent arm root part (25); the outer side wall of the clamping eccentric part (20) is in rotating pressure contact with the side surface of the movable end (23) of the clamping bent arm;
the clamping C-shaped opening bent arm (22) is held on the supporting vertical arm (9) through a clamping bent arm movable end (23) and a clamping bent arm root part (25);
the swing frame body (28) is provided with a swing rotating hole (29) and a swing driving hole (30), a clamping driving cylinder (15) is installed in the swing driving hole (30), a clamping guide sleeve (17) is vertically arranged in the swing rotating hole (29), a clamping rotating shaft (18) is arranged in the clamping guide sleeve (17), a clamping swing arm (16) is hinged between the clamping driving cylinder (15) and the clamping rotating shaft (18), the lower part of the clamping rotating shaft (18) is provided with a clamping eccentric part (20), a clamping process notch (19) is arranged at the clamping eccentric part (20), and in the clamping process notch (19), the clamping eccentric part (20) is hinged with one end of a clamping force applying arm (21); the other end of the clamping force applying arm (21) is connected with the root part (25) of the clamping bent arm; one end of the clamping force applying arm (21) passes through the movable end (23) of the clamping bent arm to be exposed; the clamping C-shaped opening bent arm (22) is held on the supporting vertical arm (9) through a clamping bent arm movable end (23) and a clamping bent arm root part (25);
an opening is arranged between the movable end (23) of the clamping bent arm and the root (25) of the clamping bent arm;
a vertical mounting hole (31) is formed in the supporting vertical arm (9) and sleeved on the supporting vertical arm (9);
the clamping driving cylinder (15) drives the clamping rotating shaft (18) to rotate in the clamping guide sleeve (17) through the clamping swing arm (16), the clamping eccentric portion (20) drives the clamping force applying arm (21) to swing, and the clamping force applying arm (21) pushes the movable end (23) of the clamping bent arm to the root portion (25) of the clamping bent arm, so that the opening is reduced to be clamped on the supporting vertical arm (9).
9. The utility model provides an increase multipurpose grinding and polishing machine of sample grinding volume control which characterized in that: comprises that
A base having a rotating drive plate and a drive plate drive, the drive plate adapted to support a platen;
a head arranged to support the sample holder and having first drive means for rotational driving of the sample holder; and
a lead screw for moving the sample holder toward and away from the platen, the lead screw being connected to a counter, wherein a lead screw gear is mounted on the lead screw, and the counter is driven by a count gear engaged with the lead screw gear, the lead screw gear being smaller than the count gear; and
a finger that can extend or retract from a portion of the head that is rotatable with the sample support, the finger configured to contact a sample positioned on the sample support and apply pressure on the sample to cause the sample main drive shaft to engage the platen.
10. The utility model provides an increase multipurpose grinding and polishing machine of sample grinding volume control which characterized in that:
a head arranged to support the sample holder and having first drive means for rotational driving of the sample holder;
the head having a second drive means for moving the sample support towards and away from the platen;
and
a lead screw for moving the sample holder toward and away from the platen, the lead screw being connected to a counter, wherein a lead screw gear is mounted on the lead screw, and the counter is driven by a count gear engaged with the lead screw gear, the lead screw gear being smaller than the count gear;
the sample support is a second sample support (48) carrying a sample (49).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744970 | 2020-07-29 | ||
| CN2020107449708 | 2020-07-29 |
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| CN112223067A true CN112223067A (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011281887.8A Pending CN112223067A (en) | 2020-07-29 | 2020-11-17 | Multipurpose grinding and polishing machine capable of increasing sample grinding amount control |
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| CN (1) | CN112223067A (en) |
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