CN114850995B - Double-end-face grinding machine - Google Patents
Double-end-face grinding machine Download PDFInfo
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- CN114850995B CN114850995B CN202210579037.9A CN202210579037A CN114850995B CN 114850995 B CN114850995 B CN 114850995B CN 202210579037 A CN202210579037 A CN 202210579037A CN 114850995 B CN114850995 B CN 114850995B
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- feeding turntable
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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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
- B24B7/17—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
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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
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a double-end-face grinding machine which comprises a machine base, wherein two grinding discs, a feeding assembly, a feeding turntable and a motor for driving the feeding turntable to rotate are arranged on the machine base; a plurality of mounting grooves are concavely formed in the circumferential outer wall of the feeding turntable, a compression assembly is arranged on one side of the mounting groove in the width direction of the mounting groove, and the compression assembly is telescopic along the width direction of the mounting groove; so that a workpiece positioning channel with adjustable width is formed between the pressing surface of the pressing component and the other side of the mounting groove in the width direction; the feeding turntable is also connected with a driving component, and when the motor drives the feeding turntable to circumferentially rotate to different set positions, the driving component is used for driving the pressing component to extend or retract so as to clamp or loosen the workpiece.
Description
Technical Field
The invention relates to the technical field of grinding equipment, in particular to a double-end-face grinding machine.
Background
The magnetic steel is mainly used in the fields of various sensors, instruments, electronics, electromechanics, medical treatment, teaching, automobiles, aviation, military technologies and the like, and the magnetic properties of the magnetic steel are different according to the different metal composition compositions of the magnetic steel, so that the magnetic steel is different in application.
At present, magnetic steel is produced and manufactured by adopting a powder metallurgy method, and grinding is carried out by a grinding device after the production is finished; grinding is the most common and widely used form of machining in all machines, and many work pieces are ground to a desired designed shape on their face or edge, such as chamfering, rounding or irregular planar grinding of the edge of the metal piece.
In the existing magnetic steel double-sided grinding processing equipment, the magnetic steel is usually processed by manually clamping by adopting a special clamp, then the magnetic steel is placed in a grinding channel between two grinding discs to carry out double-sided grinding of the magnetic steel, after one workpiece is ground, the workpiece is dismounted, and then the next workpiece is clamped and ground, so that the processing mode needs workers specially provided with clamping and unloading, thereby causing waste of human resources and low efficiency.
Disclosure of Invention
The invention solves the problems of overcoming the defects in the prior art, and provides a double-end-face grinding machine, wherein a grinding channel for conveying workpieces on a feeding mechanism to the positions between grinding discs one by one is additionally arranged between two grinding discs, and the clamping of the workpieces is stable and efficient.
In order to solve the problems, the invention provides a double-end-face grinding machine, which comprises a machine base, wherein two grinding discs which are arranged at intervals and are symmetrically arranged are arranged on the machine base, a feeding assembly, a feeding turntable and a motor for driving the feeding turntable to rotate are also arranged on the machine base, and the feeding turntable is used for conveying workpieces on the feeding assembly to the position between the two grinding discs one by one for grinding; a plurality of mounting grooves are concavely formed in the circumferential outer wall of the feeding turntable, a compression assembly is assembled on one side of the mounting groove in the width direction of the mounting groove, and the compression assembly is telescopic along the width direction of the mounting groove; so that a workpiece positioning channel with adjustable width is formed between the pressing surface of the pressing component and the other side of the mounting groove in the width direction; and the feeding turntable is also connected with a driving assembly, and when the motor drives the feeding turntable to circumferentially rotate to different set positions, the driving assembly is used for driving the compressing assembly to extend or retract so as to clamp or loosen a workpiece.
Compared with the prior art, the double-end-face grinding machine has the following advantages:
in the grinding machine structure, the feeding component special for workpiece feeding is arranged on the machine base and used for realizing automatic feeding of the magnetic steel, so that the existing manual feeding is replaced, the labor force is saved, and the efficiency is improved; in addition, a rotary feeding turntable is arranged between two grinding discs, a plurality of mounting grooves are formed in the peripheral wall of the feeding turntable, compression assemblies are arranged in the mounting grooves, the compression assemblies are driven to stretch out and draw back by combining corresponding driving assemblies through rotation of the feeding turntable, and the width of a workpiece positioning channel for positioning a workpiece in the mounting grooves is adjusted, so that stable clamping or loosening of the workpiece is realized, the whole process is realized through an automatic mechanical structure, the stable clamping of the workpiece each time is ensured, and the position is accurate; the whole machining process is high in automation degree, manual participation is not needed in the whole process, the consistency of workpiece positioning and grinding is guaranteed, and the efficiency is high.
Further, the pressing assembly comprises a first pressing block and a second pressing block which are arranged from outside to inside along the depth direction of the mounting groove, and a first connecting rod and a second connecting rod which are mutually hinged in a crossing way and have equal lengths; one end of the first connecting rod is hinged with the second pressing block, the other end of the first connecting rod is hinged with the side wall of the mounting groove, one end of the second connecting rod is hinged with the first pressing block, the other end of the second connecting rod is hinged with a driving rod which can move along the radial direction of the feeding turntable, and one end, away from the second connecting rod, of the driving rod is in transmission connection with the driving assembly; when the driving assembly drives the driving rod to move in a telescopic way along the radial direction, the first pressing block and the second pressing block synchronously approach or depart from the corresponding side wall in the mounting groove.
As an improvement, one end of the first pressing block, which is close to the second pressing block, is connected with a guide rod, and the second pressing block is provided with a guide hole for the guide rod to slide and match. Among the above-mentioned improvement structure, the setting of guide bar and guiding hole can guarantee under the drive action of actuating lever, and the motion of first briquetting and second briquetting in the mounting groove has better synchronism, guarantees promptly to the stationarity that the work piece was compressed tightly.
The improved feeding turntable is characterized in that one end of the central position of the feeding turntable is in transmission connection with an output shaft of the motor, the other end of the central position of the feeding turntable is connected with a positioning seat, the positioning seat is fixed on the machine base, and the feeding turntable and the positioning seat can rotate relatively; the positioning seat is connected with a cam disc which is parallel to the feeding turntable, and one end of the driving rod, which is far away from the second connecting rod, is abutted against the outer side wall of the cam disc.
Further improved, the feeding turntable is provided with a plurality of mounting holes which extend along the radial direction of the feeding turntable and are in one-to-one correspondence with the mounting grooves, and each driving rod is slidably assembled in the corresponding mounting hole; one side of the feeding turntable, which is close to the positioning seat, is provided with a containing groove for containing the cam disc, and the outer wall of the cam disc and the inner wall of the containing groove can rotate relatively. In the improved structure, the installation holes and the accommodating grooves enable the cam plate to move flexibly and stably relative to the driving rod.
Further improved, one end of each driving rod, which is far away from the second connecting rod, is connected with an arc-shaped lug, and the arc-shaped surface of each arc-shaped lug is abutted against the outer peripheral wall of the cam disc; a movable channel is arranged between the circumferential outer wall of the cam disc and the inner wall of the accommodating groove, and each arc-shaped lug is accommodated in the movable channel. In the improved structure, the arrangement of the arc-shaped convex block structure enables the telescopic movement of the driving rod to be more flexible when the cam disc rotates; in addition, the movable channel is arranged to provide a movable space for the operation of the arc-shaped protruding blocks.
Still further, the cam plate comprises a first circular ring and a second circular ring which have the same rotation center but different rotation radiuses, and two ends of the first circular ring are connected with two ends of the second circular ring through arc sections. In the improved structure, the first circular ring and the second circular ring with the same rotation center but different rotation radiuses form the cam disc, the structure is simple, and the starting action of telescopic driving of the driving rod is accurate.
And the outer part and the inner part of the mounting hole along the radial direction are respectively connected with a first positioning block and a second positioning block, the outer part of the driving rod, which is close to one end of the cam disc, is connected with an adjusting locking block, and the outer part of the driving rod is positioned between the first positioning block and the adjusting locking block and is sleeved with a reset spring. After the improved structure, the setting of the reset spring enables the telescopic movement of the driving rod to be more free, and when one end of the driving rod, which is close to the cam disc, is switched from the large-radius outer end face of the cam disc to the small-radius outer end face along with the rotation process of the feeding turntable, the driving rod can automatically reset to the initial position, so that the workpiece is convenient to clamp next time, and the working efficiency is improved.
And the workpiece positioning channel is formed between the positioning plate and the pressing surface of the pressing assembly. Among the above-mentioned improvement structure, can realize the tight spacing of clamp of the work piece of different specifications through changing the locating plate of different thickness, improve the commonality, reduce cost.
Still further, the material loading subassembly includes material loading conveyer belt, first material pushing subassembly and second material pushing subassembly, first material pushing subassembly is used for pushing the work piece on the material loading conveyer belt to with the corresponding transfer position of work piece positioning channel, the second material pushing subassembly is used for pushing the work piece of transfer position into the work piece positioning channel. In the improved structure, the workpiece is stably and accurately fed through the unique design, and after the workpiece is arranged in the workpiece positioning channel on the feeding turntable, the workpiece positioning channel which is initially rotated to the transfer position rotates to the transfer position again, and when the workpiece to be processed is continuously pushed to the workpiece positioning channel, the workpiece which is already processed in the workpiece positioning channel is synchronously pushed out to the blanking conveyor belt, so that the structure of the whole grinding machine is simplified, and the layout of each action mechanism of the whole grinding machine is more reasonable.
Drawings
FIG. 1 is a schematic perspective view of a double-ended grinding machine according to the present invention;
FIG. 2 is a schematic diagram of a feeding turntable according to the present invention;
FIG. 3 is a cross-sectional view of the feed turntable of FIG. 2;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2 at X;
FIG. 5 is an enlarged schematic view of the structure at Y in FIG. 3;
fig. 6 is a schematic partial structure of a feeding assembly according to the present invention.
Reference numerals illustrate:
1. a base; 2. grinding disc; 3. a feeding turntable; 3.1, mounting holes; 3.2, a containing groove; 4. a mounting groove; 5. a workpiece positioning channel; 6. a first briquette; 7. a second briquetting; 8. a first link; 9. a second link; 10. a driving rod; 11. a positioning seat; 12. a cam plate; 12.1, a first circular ring; 12.2, a second circular ring; 13. arc-shaped protruding blocks; 15. a first positioning block; 16. a second positioning block; 17. adjusting the locking piece; 18. a return spring; 19. a guide rod; 20. a positioning plate; 21. a feeding conveyor belt; 22. the first pushing assembly; 23. the second pushing component; 24. a blanking conveyor belt; 25. an automatic centering component; 26. a fixing plate; 27. a flexible cushion pad; 28. a connecting seat; 29. and (5) pressing plates.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "outer end", "inner end", "front side", "rear side", "side wall", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be interpreted broadly, and for example, it may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the invention provides a double-end-face grinding machine, which comprises a machine base 1, two grinding discs 2 which are arranged at intervals and symmetrically and a driving mechanism for driving the grinding discs 2 to operate are arranged at the rear side of the middle position of the machine base 1, the driving mechanism mainly comprises a grinding motor and a speed reducer, the center position of the grinding discs 2 is fixedly connected to an output shaft of the speed reducer, and the grinding discs 2 rotate along the front-rear direction of the machine base 1; in addition, the machine base 1 is also provided with a feeding turntable 3, the feeding turntable 3 is driven by a motor and a corresponding speed reduction assembly, and is rotatably arranged between the two grinding discs 2, the rotation axis direction of the feeding turntable 3 is parallel to the rotation axis direction of the two grinding discs 2, and the feeding turntable 3 and the two grinding discs 2 are at least partially overlapped in the rotation axis direction; a plurality of limiting parts for positioning the workpiece are arranged on the circumferential outer wall of the feeding turntable 3, and when the feeding turntable 3 rotates along the axis direction, the workpiece on the limiting parts sequentially passes through the channel between the two grinding discs 2, and double-sided processing of the workpiece is realized under the grinding action of the grinding discs 2 on the two sides; in the actual machining process, the allowance required for grinding on two sides of a workpiece is small, so when the feeding turntable 3 rotates to drive the workpiece to just start to reach a grinding channel between the two grinding discs 2, the two grinding discs 2 start to grind the allowance on two sides of the workpiece until the feeding turntable 3 rotates to the point that the workpiece entering the grinding channel is separated from the grinding channel, and the complete grinding process of the workpiece is finished.
As shown in fig. 2 and 4, in this embodiment, a plurality of mounting grooves 4 are concavely formed on the circumferential outer wall of the feeding turntable 3, a pressing component is disposed on one side of the mounting groove 4 in the width direction, and the pressing component is retractable along the width direction of the mounting groove 4; so that a workpiece positioning channel 5 with adjustable width is formed between the pressing surface of the pressing component and the other side of the width direction of the mounting groove 4, and the workpiece positioning channel 5 is the limiting part. In addition, a driving component is further connected to the feeding turntable 3, and when the motor drives the feeding turntable 3 to circumferentially rotate to different set positions, the driving component is used for driving the compressing component to extend or retract so as to clamp or loosen a workpiece. The set positions mainly refer to a feeding position and a clamping position, namely, when the feeding turntable 3 rotates, each workpiece positioning channel 5 sequentially passes through the feeding position and the clamping position; the feeding position is a position where the workpiece positioning channel 5 rotates to a horizontal position and corresponds to a pushing port of the feeding assembly, and when the workpiece positioning channel is at the position, the compressing assembly retracts to an initial position, and the workpiece is in a loosening state; the clamping position is a position which forms a certain angle with the feeding position, the pressing component is in an extending state when the clamping position is at the position, and the workpiece is in a clamping state. That is, when the workpiece enters the corresponding workpiece positioning channel 5 on the feeding turntable 3 along the feeding position from the feeding opening of the feeding assembly, the pressing assembly is firstly not operated, and when the feeding turntable 3 continues to rotate a certain angle, the pressing assembly starts to press on the side wall of the workpiece. The arrangement is mainly because the corresponding end face automatic centering component 25 is further arranged on the feeding turntable 3 in the structure of the embodiment, and the end face automatic centering component 25 is arranged at a position between the feeding position and the clamping position, so that a workpiece firstly enters the workpiece positioning channel 5, then passes through the position centering of the end face automatic centering component 25, then is pressed and limited by the pressing component, and the double end faces of the workpiece after the clamping and limiting can be accurately ground to the set position when the workpiece passes through the middle channel grinding of the two grinding discs 2. The self-centering assembly 25 is a proprietary structure, and reference may be made to the following patents: CN212946910U, which is not described in detail herein.
As shown in fig. 4 and 5, the pressing assembly comprises a first pressing block 6 and a second pressing block 7 which are arranged from outside to inside along the depth direction of the mounting groove 4, and a first connecting rod 8 and a second connecting rod 9 which are mutually hinged in a crossed manner and have equal lengths; one end of the first connecting rod 8 is hinged with the second pressing block 7, and the other end of the first connecting rod 8 is hinged with the side wall of the mounting groove 4; specifically, a side wall at the outer end of the mounting groove 4 is connected with a fixing plate 26, and one end of the first connecting rod 8 is hinged with the fixing plate 26; correspondingly, one end of the second connecting rod 9 is hinged with the first pressing block 6, the other end of the second connecting rod 9 is hinged with a driving rod 10, the driving rod 10 is movably connected along the radial direction of the feeding turntable 3, and one end of the driving rod 10, which is far away from the second connecting rod 9, is in transmission connection with the driving assembly; when the driving assembly drives the driving rod 10 to move in a telescopic way along the radial direction, the first pressing block 6 and the second pressing block 7 synchronously approach or depart from the corresponding side wall in the mounting groove 4, so that the workpiece is clamped or loosened. In the embodiment, more specifically, one end of the first pressing block 6 near the second pressing block 7 is connected with a guide rod 19, and a guide hole for sliding fit of the guide rod 19 is arranged on the second pressing block 7; after the arrangement, the movement of the first pressing block 6 and the second pressing block 7 in the mounting groove 4 under the driving action of the driving rod 10 can be ensured to have better synchronism, namely, the stability of workpiece compaction is ensured.
In still another aspect, in the above structure, in order that the outer surfaces of the workpieces are not damaged when the first pressing block 6 and the second pressing block 7 press the workpieces, the outer side walls of the first pressing block 6 and the second pressing block 7 are detachably connected with corresponding flexible buffer pads 27, preferably, the flexible buffer pads 27 are rubber cushion blocks, and each rubber cushion block is connected with the corresponding pressing block through a corresponding connecting seat 28; specifically, a plurality of connecting holes are formed in the end faces of the first pressing block 6 and the second pressing block 7, which are close to one side of the workpiece positioning channel 5, and each connecting seat 28 is detachably fixed in the corresponding connecting hole through a connecting bolt respectively, and in the structure, the connecting seats 28 can be fixed through the corresponding connecting holes according to actual application conditions; in addition, the outer side wall of each connecting seat 28 is further provided with a concave positioning groove, and the two rubber cushion blocks are accommodated and connected in the corresponding positioning grooves, so that better stability is ensured.
In addition, as shown in fig. 1 and 2, one end of the center position of the feeding turntable 3 is in transmission connection with an output shaft of a motor, the other end of the center position of the feeding turntable 3 is connected with a positioning seat 11, the positioning seat 11 is fixed on the machine base 1, and the feeding turntable 3 and the positioning seat 11 can rotate relatively, specifically, in the embodiment, the feeding turntable 3 can rotate circumferentially under the drive of the motor, and the positioning seat 11 is fixedly connected with the machine base 1 and is kept motionless; the positioning seat 11 is connected with a cam disc 12 which is arranged in parallel with the feeding turntable 3, and one end of the driving rod 10 away from the second connecting rod 9 is abutted against the outer side wall of the cam disc 12. In this structure, since the driving rod 10 is slidably assembled with the feed turntable 3 in the radial direction thereof, and one end of the driving rod 10 away from the first pressing block 6 abuts against the outer wall of the cam disc 12, when the feed turntable 3 rotates in the circumferential direction, the driving rod 10 rotates in the circumferential direction in synchronization therewith, and when the whole body of the driving rod rotates, the driving rod 10 can move in a telescopic manner in the radial direction of the feed turntable 3 under the action of the outer end surfaces of the cam disc 12 with different rotation radiuses; the telescopic movement of the driving rod 10 combines the functions of the first connecting rod 8 and the second connecting rod 9 which are arranged in a cross hinge way to drive the first pressing block 6 and the second pressing block 7 to approach or depart towards the center of the workpiece positioning channel 5, so that the workpiece is pressed or loosened.
As shown in fig. 5, the feeding turntable 3 is provided with a plurality of mounting holes 3.1 which extend along the radial direction and are in one-to-one correspondence with the mounting grooves 4, and each driving rod 10 is slidably assembled in the corresponding mounting hole 3.1; one side of the feeding turntable 3 near the positioning seat 11 is provided with a containing groove 3.2 for containing the cam disc 12, and the outer wall of the cam disc 12 and the inner wall of the containing groove 3.2 can rotate relatively. In addition, one end of each driving rod 10 far away from the second connecting rod 9 is connected with an arc-shaped protruding block 13, and the arc-shaped surface of each arc-shaped protruding block 13 is abutted against the outer peripheral wall of the cam disc 12; a movable channel is arranged between the circumferential outer wall of the cam disc 12 and the inner wall of the accommodating groove 3.2, and each arc-shaped lug 13 is accommodated in the movable channel. That is, during the rotation of the feed rotary table 3, since the cam plate 12 is stationary, the arc-shaped projection 13 at one end of each driving lever 10 moves along against the outer peripheral wall of the cam plate 12, and since the rotation radius of the outer peripheral wall of the cam plate 12 is unequal, the driving lever 10 moves in a telescopic motion as the rotation radius of the outer peripheral wall of the cam plate 12 changes during the rotation of the feed rotary table 3. More specifically, the cam disc 12 includes a first ring 12.1 and a second ring 12.2 having the same rotation center but different rotation radii, and both ends of the first ring 12.1 and both ends of the second ring 12.2 are connected by arc segments, as shown in fig. 3, the rotation radius of the first ring 12.1 is larger than the rotation radius of the second ring 12.2, that is, when the feeding turntable 3 rotates, when one end of a certain driving rod 10, which is close to the cam disc 12, is in partial abutment with the first ring 12.1, the first pressing block 6 and the second pressing block 7 are in a state of pressing a workpiece; when the end of the driving rod 10, which is close to the cam disc 12, is in partial abutment with the second circular ring 12.2, the first pressing block 6 and the second pressing block 7 are in a loosening state for the workpiece, and are mainly used for the operations of feeding, discharging and automatic centering of the workpiece.
As shown in fig. 5, the outer end and the inner end of the mounting hole 3.1 along the radial direction are respectively connected with a first positioning block 15 and a second positioning block 16, the outer part of the driving rod 10 near one end of the cam disc 12 is connected with an adjusting locking block 17, and a reset spring 18 is sleeved outside the driving rod 10 and between the first positioning block 15 and the adjusting locking block 17.
As shown in fig. 4 and 5, a positioning plate 20 is detachably connected to one side, far away from the compression assembly, of the inner cavity of the mounting groove 4, and a workpiece positioning channel 5 is formed between the positioning plate 20 and the compression surface of the compression assembly. After the arrangement, when a user processes workpieces with different thickness specifications, the positioning plate 20 with different thickness sizes is replaced correspondingly, so that the universality is improved, and the cost is low. More importantly, in this structure, the side that keeps away from compressing tightly the subassembly in mounting groove 4 is equipped with the adaptation dress groove that extends along its depth direction and sets up, locating plate 20 along the degree of depth direction cartridge of mounting groove 4 in this adaptation dress inslot to be connected with corresponding clamp plate 29 through the screw detachable with this locating plate 20 on the circumference outer wall of feeding carousel 3, be equipped with the location arch at clamp plate 29's one end, be equipped with the constant head tank with the bellied assorted constant head tank of location at locating plate 20's outer end, effectively improve locating plate 20 and feeding carousel 3 connection structure's stability through this clamp plate 29.
As shown in fig. 1 and 6, the feeding assembly in this embodiment includes a feeding conveyor belt 21, a first pushing assembly 22 and a second pushing assembly 23, where the first pushing assembly 22 is used for pushing the workpiece on the feeding conveyor belt 21 to a transfer position corresponding to the workpiece positioning channel 5 corresponding to the feeding turntable 3, and the second pushing assembly 23 is used for pushing the workpiece at the transfer position into the workpiece positioning channel 5. The transfer position mentioned in this structure refers to a position where the feeding conveyor 21 is close to one end of the feeding turntable 3 and is horizontally opposite to the workpiece positioning channel 5, as can be seen from fig. 6, when the workpiece moves to the transfer position under the action of the first pushing component 22, then the second pushing component 23 continues to move, and the workpiece at the transfer position moves towards the workpiece positioning channel 5, and since the feeding turntable 3 moves circularly, when the feeding turntable 3 just starts to rotate, the workpiece at the transfer position slides directly to the workpiece positioning channel 5, then the feeding turntable 3 rotates, the next workpiece positioning channel 5 rotates to the transfer position, and the next workpiece at the transfer position enters the workpiece positioning channel 5; when all the workpiece positioning channels 5 on the whole feeding turntable 3 are provided with workpieces, the workpiece positioning channel 5 at the beginning is rotated to the transfer position again, and the workpiece positioning channel 5 is not in an empty state, but is accommodated with the workpiece subjected to grinding processing, at the moment, when the workpiece to be processed enters the corresponding workpiece positioning channel 5 again, the processed workpiece is extruded to the blanking conveyor belt 24, the position of the original workpiece is replaced by a new workpiece, the workpiece is continuously fed to the workpiece positioning channel 5 along with the continuous rotation of the feeding turntable 3, and then is subjected to grinding processing of the grinding disc 2 and then pushed out to the blanking conveyor belt 24 by the next workpiece, and compared with the traditional grinding machine structure, the whole process is automatically carried out, manual participation is not needed, the degree of mechanization is high, the control is accurate, and the processing efficiency is high.
In this embodiment, the first pushing component 22 includes a driving cylinder and a first pushing block slidably mounted on the front side of the base 1, where the driving cylinder is a cylinder, a hydraulic cylinder or an electric pushing cylinder, and is used to drive the first pushing block to reciprocate along a direction perpendicular to the feeding conveyor belt 21; the second pushing assembly 23 comprises a pushing motor fixed on the machine base 1, a screw rod is axially connected to an output shaft of the pushing motor, a screw rod sliding block is assembled outside the screw rod, a second pushing block is connected to the screw rod sliding block, and the second pushing block is driven to reciprocate along the conveying direction of the feeding conveyor belt 21 through rotation of the pushing motor.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (9)
1. The utility model provides a bi-polar face grinding machine, includes frame (1), install two interval and mill (2) that the symmetry set up on frame (1), its characterized in that: the machine seat (1) is also provided with a feeding assembly, a feeding turntable (3) and a motor for driving the feeding turntable (3) to rotate, and the feeding turntable (3) is used for conveying workpieces on the feeding assembly to a position between two millstones (2) one by one for milling; a plurality of mounting grooves (4) are concavely formed in the circumferential outer wall of the feeding turntable (3), a pressing component is arranged on one side, located in the width direction, of the mounting grooves (4), and the pressing component is telescopic along the width direction of the mounting grooves (4); so that a workpiece positioning channel (5) with adjustable width is formed between the pressing surface of the pressing component and the other side of the width direction of the mounting groove (4); the feeding turntable (3) is also connected with a driving assembly, and when the motor drives the feeding turntable (3) to circumferentially rotate to different set positions, the driving assembly is used for driving the compressing assembly to extend or retract so as to clamp or loosen a workpiece;
the pressing assembly comprises a first pressing block (6) and a second pressing block (7) which are arranged from outside to inside along the depth direction of the mounting groove (4), and a first connecting rod (8) and a second connecting rod (9) which are mutually hinged in a crossed manner and have equal lengths; one end of the first connecting rod (8) is hinged with the second pressing block (7), the other end of the first connecting rod (8) is hinged with the side wall of the mounting groove (4), one end of the second connecting rod (9) is hinged with the first pressing block (6), the other end of the second connecting rod (9) is hinged with a driving rod (10) which can move along the radial direction of the feeding turntable (3), and one end, far away from the second connecting rod (9), of the driving rod (10) is in transmission connection with the driving assembly; when the driving assembly drives the driving rod (10) to move in a telescopic way along the radial direction, the first pressing block (6) and the second pressing block (7) synchronously approach or separate towards the corresponding side wall in the mounting groove (4).
2. The double-ended grinding machine of claim 1, wherein: one end of the first pressing block (6) close to the second pressing block (7) is connected with a guide rod (19), and a guide hole for the guide rod (19) to slide and match is formed in the second pressing block (7).
3. The double-ended grinding machine according to claim 1 or 2, characterized in that: one end of the central position of the feeding turntable (3) is in transmission connection with an output shaft of the motor, the other end of the central position of the feeding turntable (3) is connected with a positioning seat (11), the positioning seat (11) is fixed on the machine base (1), and the feeding turntable (3) and the positioning seat (11) can rotate relatively; the positioning seat (11) is connected with a cam disc (12) which is arranged in parallel with the feeding turntable (3), and one end of the driving rod (10) away from the second connecting rod (9) is abutted against the outer side wall of the cam disc (12).
4. A double-ended grinding machine according to claim 3, characterized in that: the feeding turntable (3) is provided with a plurality of mounting holes (3.1) which extend along the radial direction and are in one-to-one correspondence with the mounting grooves (4), and each driving rod (10) is slidably arranged in the corresponding mounting hole (3.1); one side of the feeding turntable (3) near the positioning seat (11) is provided with a containing groove (3.2) for containing the cam disc (12), and the outer wall of the cam disc (12) and the inner wall of the containing groove (3.2) can rotate relatively.
5. The double-ended grinding machine of claim 4, wherein: one end of each driving rod (10) far away from the second connecting rod (9) is connected with an arc-shaped lug (13), and the arc-shaped surface of each arc-shaped lug (13) is abutted against the outer peripheral wall of the cam disc (12); a movable channel is arranged between the circumferential outer wall of the cam disc (12) and the inner wall of the accommodating groove (3.2), and each arc-shaped lug (13) is accommodated in the movable channel.
6. The double-ended grinding machine of claim 5, wherein: the cam disc (12) comprises a first circular ring (12.1) and a second circular ring (12.2) which have the same rotation center but different rotation radiuses, and two ends of the first circular ring (12.1) are connected with two ends of the second circular ring (12.2) through arc-shaped sections.
7. The double-ended grinding machine of claim 6, wherein: the mounting hole (3.1) is internally provided with a first positioning block (15) and a second positioning block (16) along the radial outer end and the radial inner end respectively, the driving rod (10) is near the outer part of one end of the cam disc (12) is connected with an adjusting locking block (17), and a reset spring (18) is sleeved outside the driving rod (10) and between the first positioning block (15) and the adjusting locking block (17).
8. The double-ended grinding machine of claim 1, wherein: one side, far away from the compression assembly, of the inner cavity of the mounting groove (4) is detachably connected with a positioning plate (20), and a workpiece positioning channel (5) is formed between the positioning plate (20) and the compression surface of the compression assembly.
9. The double-ended grinding machine of claim 1 or 8, wherein: the feeding assembly comprises a feeding conveyor belt (21), a first pushing assembly (22) and a second pushing assembly (23), wherein the first pushing assembly (22) is used for pushing workpieces on the feeding conveyor belt (21) to transfer positions corresponding to the workpiece positioning channels (5), and the second pushing assembly (23) is used for pushing the workpieces at the transfer positions into the workpiece positioning channels (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210579037.9A CN114850995B (en) | 2022-05-25 | 2022-05-25 | Double-end-face grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210579037.9A CN114850995B (en) | 2022-05-25 | 2022-05-25 | Double-end-face grinding machine |
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| Publication Number | Publication Date |
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| CN114850995A CN114850995A (en) | 2022-08-05 |
| CN114850995B true CN114850995B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210579037.9A Active CN114850995B (en) | 2022-05-25 | 2022-05-25 | Double-end-face grinding machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116141194A (en) * | 2023-02-28 | 2023-05-23 | 肇庆高峰机械科技有限公司 | Automatic feeding device for double-end-face grinding machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB920257A (en) * | 1959-06-23 | 1963-03-06 | Gardner Machine Co | Work indexing means for disc grinders |
| KR20050053483A (en) * | 2004-09-08 | 2005-06-08 | 주식회사 풍산테크윈 | Device of grinding a spring |
| CN104149001A (en) * | 2014-07-18 | 2014-11-19 | 张家港玉成精机股份有限公司 | Two-sided grinder |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3881260B2 (en) * | 2002-02-27 | 2007-02-14 | 大昌精機株式会社 | Work carrier device for double-head surface grinding machine |
| CN102284900B (en) * | 2011-07-05 | 2013-04-24 | 珠海市旺磐精密机械有限公司 | Horizontal dual-end face grinder |
| CN103753389B (en) * | 2014-01-14 | 2016-05-25 | 苏州苏铸重工有限公司 | Pipe clamp polishing fixed clamping device |
| JP5945015B2 (en) * | 2014-01-17 | 2016-07-05 | 日清工業株式会社 | Double-head surface grinding apparatus and grinding method |
| CN104608021A (en) * | 2014-12-30 | 2015-05-13 | 杭州兴发弹簧有限公司 | Horizontal type high-speed double-end-face spring grinding machine |
| CN207448173U (en) * | 2017-05-03 | 2018-06-05 | 浙江通达磁业有限公司 | A kind of end grinding device |
| CN209551447U (en) * | 2018-12-26 | 2019-10-29 | 春保森拉天时硬质合金(厦门)有限公司 | A kind of grinder applied to hard alloy |
| CN210968142U (en) * | 2019-09-29 | 2020-07-10 | 新昌县城关金利五金厂 | Bearing both ends face grinding equipment |
| CN213470564U (en) * | 2020-11-09 | 2021-06-18 | 杭州双佳汽车部件制造有限公司 | Double-ended grinding machine |
| CN215239732U (en) * | 2021-04-29 | 2021-12-21 | 国泰精密机件（大连）有限公司 | Column product abrasive machining mechanism |
-
2022
- 2022-05-25 CN CN202210579037.9A patent/CN114850995B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB920257A (en) * | 1959-06-23 | 1963-03-06 | Gardner Machine Co | Work indexing means for disc grinders |
| KR20050053483A (en) * | 2004-09-08 | 2005-06-08 | 주식회사 풍산테크윈 | Device of grinding a spring |
| CN104149001A (en) * | 2014-07-18 | 2014-11-19 | 张家港玉成精机股份有限公司 | Two-sided grinder |
Non-Patent Citations (1)
| Title |
|---|
| MB7650-1型十字轴双端面磨床送料机构;杭州机床厂;《磨床与磨削》(第04期);第1-5页 * |
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| CN114850995A (en) | 2022-08-05 |
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