CN210388648U

CN210388648U - High-speed fine grinding polishing device for cylindrical lens

Info

Publication number: CN210388648U
Application number: CN201921270747.3U
Authority: CN
Inventors: 张华民; 言利宏; 马黎钧
Original assignee: Danyang Xinye Optical Instrument Co ltd
Current assignee: Danyang Xinye Optical Instrument Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-24
Anticipated expiration: 2029-08-07

Abstract

A high-speed fine grinding and polishing device for cylindrical lenses is characterized in that a fine grinding and polishing mechanism consists of a grinding and polishing mechanism, a workpiece clamping mechanism and a grinding and polishing block; the grinding and polishing mechanism comprises a longitudinal movement driving device, a longitudinal movement seat and a longitudinal sliding rail; a clamping arm is hinged to the longitudinal moving seat, and a grinding and polishing block pressing column is arranged on the clamping arm and is positioned above the workpiece clamping mechanism; the longitudinal moving seat is movably connected to the longitudinal sliding rail and is connected with the longitudinal moving driving device; the grinding and polishing block is an independent piece, and the top of the grinding and polishing block is provided with a matching structure corresponding to the bottom end structure of the grinding and polishing block pressing column; turning over and opening the clamping arm, and clamping the workpiece through the workpiece clamping mechanism; the grinding and polishing block is stacked on the workpiece, so that the working surface is contacted with the surface to be processed of the workpiece; and the rear turning reset clamping arm is turned over, the bottom end of the pressing column of the polishing block is pressed in a matching structure of the polishing block, and the polishing block is driven by the longitudinal movement driving device to process a workpiece. Simple structure and low production cost.

Description

High-speed fine grinding polishing device for cylindrical lens

Technical Field

The utility model relates to an optical lens piece production adds technical field, especially relates to a cylinder lens is with high-speed correct grinding burnishing device.

Background

The cylindrical lens is an optical part with one of two light-transmitting surfaces being a cylindrical surface and the other surface being a planar or homodromous cylindrical surface, and the cylindrical surface is a curved surface formed by parallel movement of straight lines along an arc line.

When the existing cylindrical lens is produced and processed, the used fine grinding polishing processing equipment has the disadvantages of complex structure, high price and high production cost, and is not beneficial to the development of enterprises.

SUMMERY OF THE UTILITY MODEL

According to the above defect, the utility model aims to provide a cylindrical lens is with high-speed correct grinding burnishing device, simple structure, manufacturing cost is lower, does benefit to the development of enterprise.

The technical scheme of the utility model is that the high-speed fine grinding and polishing device for the cylindrical lens is realized by the following method, which comprises a case, wherein the top of the case is provided with a workbench, and the workbench is provided with more than one fine grinding and polishing mechanism; the fine grinding and polishing mechanism consists of a grinding and polishing mechanism, a workpiece clamping mechanism and a grinding and polishing block; the grinding and polishing mechanism is positioned at one side of the workpiece clamping mechanism; the grinding and polishing mechanism comprises a longitudinal movement driving device, a longitudinal movement seat and a longitudinal sliding rail; a clamping arm is arranged on the longitudinal moving seat, one end of the clamping arm is hinged to the longitudinal moving seat, and the other end of the clamping arm clamps a grinding and polishing block pressing column, so that the grinding and polishing block pressing column is positioned above the workpiece clamping mechanism; the longitudinal moving seat is movably connected to the longitudinal sliding rail through a sliding block arranged at the bottom, and the longitudinal moving seat is driven to move longitudinally through the longitudinal moving driving device; the grinding and polishing block is an independent piece, and a matching structure corresponding to the bottom end structure of the pressing column of the grinding and polishing block is arranged on the top surface of the grinding and polishing block; turning over and opening the clamping arm, clamping the workpiece through the workpiece clamping mechanism, placing the grinding and polishing block on the workpiece, enabling the working surface of the grinding and polishing block to be in contact with the surface to be processed of the workpiece, and then turning over the clamping arm to enable the bottom end of the pressing column of the grinding and polishing block to be pressed in a matching structure on the grinding and polishing block; and then the longitudinal movement driving device drives the grinding and polishing block to move longitudinally to process the surface of the workpiece.

The clamping arm is provided with a balancing weight at one end for mounting the grinding and polishing block pressing column, the balancing weight with set weight is added, so that the grinding and polishing block pressing column can be reliably pressed, and the situation that the grinding and polishing block is separated from the grinding and polishing block pressing column in the machining process is prevented.

The longitudinal movement driving device consists of a driving motor arranged in the case, a transmission shaft arranged in the case, a first rotating shaft with an eccentric wheel and a connecting rod which are arranged in the case and positioned at one side of the transmission shaft; the driving motor is connected with a driving wheel arranged on the transmission shaft through a transmission belt; the transmission shaft is provided with at least two driven wheels, wherein one driven wheel is connected with the first rotating shaft through a transmission belt; one end of the connecting rod is connected with an eccentric column arranged on the eccentric wheel, and the other end of the connecting rod is connected with the longitudinal moving seat; the driving motor drives the transmission shaft to rotate, so that the eccentric wheel rotates to drive the longitudinal moving seat to longitudinally move on the longitudinal sliding rail through the connecting rod.

The matching structure of the grinding and polishing block is a hemispherical concave surface, and the bottom end of the grinding and polishing block pressing column is in a ball head shape.

The workpiece clamping mechanism consists of a tool clamping seat, a workpiece mounting seat, a transverse moving seat, a transverse sliding rail and a transverse moving driving device; the tool clamping seat is fixed on the transverse moving seat; the workpiece mounting seat is placed on the tool clamping seat and clamped through a fixing piece arranged on the tool clamping seat; the transverse moving seat is movably connected to the transverse sliding rail, and the transverse moving seat is driven to transversely move through the transverse moving driving device, so that the workpiece transversely moves.

The transverse movement driving device consists of a second rotating shaft with an eccentric wheel and a connecting rod which are arranged in the case; one end of the connecting rod is connected with an eccentric column arranged on an eccentric wheel on the second rotating shaft, and the other end of the connecting rod is connected with the transverse moving seat; the second rotating shaft is connected with another driven wheel on a transmission shaft on the longitudinal movement driving device through a transmission belt, and the eccentric wheel is driven to rotate through the driving motor, so that the transverse moving seat connected with the connecting rod is driven to transversely move.

The eccentric post on the eccentric wheel is a movable structure, and the distance between the eccentric post and the circle center on the eccentric wheel can be adjusted according to needs, so that the swing amplitude of a connecting rod connected with the eccentric post is adjusted to adapt to the processing of workpieces with different lengths.

The connecting rod comprises joint I, joint II and the body of rod, and the body of rod both ends all are equipped with the screw thread, and joint I is equipped with the screw hole that corresponds with body of rod screw thread with joint II, connects I and connects II and pass through threaded connection at body of rod both ends, adjusts the length of connecting rod through adjusting the screw thread to adapt to the processing needs, make things convenient for the work piece or polish a piece pressfitting post initial position adjustment.

The top of the eccentric wheel is provided with a connecting groove, and one side of the connecting groove penetrates through the side face of the eccentric wheel; the eccentric wheel is provided with a mounting platform on the side face through which the eccentric wheel penetrates, a fixing block is fixed on the mounting platform, a threaded hole is formed in the center of the fixing block, an adjusting screw is connected in the threaded hole, the screw part of the adjusting screw is located in a connecting groove, an eccentric column is fixed on the screw part, and the distance between the eccentric column and the circle center on the eccentric wheel is adjusted through the adjusting screw.

All be equipped with collapsible safety cover on horizontal slide rail and the vertical slide rail, prevent through collapsible safety cover that the dust becomes to amass, influence life.

The utility model has simple structure, the clamping arm is turned over and opened, the workpiece is clamped by the workpiece clamping mechanism, the grinding and polishing block is placed on the workpiece, the working surface of the grinding and polishing block is contacted with the surface to be processed of the workpiece, and the clamping arm is turned over afterwards, so that the bottom end of the pressing column of the grinding and polishing block is pressed in the matching structure on the grinding and polishing block; then the longitudinal movement driving device drives the grinding and polishing block to move longitudinally to process the surface of the workpiece; the use is convenient, the production cost is low, and the competitiveness of enterprises is further improved; the grinding and polishing blocks are independent pieces, can be provided with a plurality of grinding and polishing blocks, and comprise a grinding block for fine grinding and a polishing block for polishing; when in use, the polishing machine is replaced and selected according to the fine grinding procedure or the polishing procedure, thereby achieving the purposes of one machine and multiple purposes.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 is a bottom view of the abrasive polishing block mating posts, abrasive polishing block, and workpiece portion of figure 1.

Figure 3 is a schematic view of the block during operation.

Figure 4 is a schematic view of the block during operation.

Fig. 5 is an enlarged view of the eccentric wheel of fig. 1.

In the figure: the polishing machine comprises a worktable 1, a fine grinding and polishing mechanism 2, a polishing mechanism 3, a workpiece clamping mechanism 4, a polishing block 5, a clamping arm 6, a polishing block pressing column 7, a connecting rod 8, an eccentric column 9, a fixed block 11, an adjusting screw 12 and a workpiece 13.

Detailed Description

As shown in fig. 1, the high-speed fine grinding polishing device for cylindrical lenses comprises a machine box, wherein a workbench 1 is arranged at the top of the machine box, and more than one fine grinding polishing mechanism 2 is arranged on the workbench 1; the fine grinding and polishing mechanism 2 consists of a grinding and polishing mechanism 3, a workpiece clamping mechanism 4 and a grinding and polishing block 5; the grinding and polishing mechanism 3 is positioned at one side of the workpiece clamping mechanism 4; the grinding and polishing mechanism 3 comprises a longitudinal movement driving device 31, a longitudinal movement seat 32 and a longitudinal slide rail 33; a clamping arm 6 is arranged on the longitudinal moving seat 32, one end of the clamping arm 6 is hinged on the longitudinal moving seat 32, and the other end of the clamping arm is clamped with a grinding and polishing block pressing column 7, so that the grinding and polishing block pressing column 7 is positioned above the workpiece clamping mechanism 4; the longitudinal moving seat 32 is movably connected to the longitudinal sliding rail 33 through a sliding block arranged at the bottom, and the longitudinal moving seat 32 is driven to move longitudinally through the longitudinal moving driving device 31; the grinding and polishing block 5 is an independent piece, and a matching structure corresponding to the bottom end structure of the grinding and polishing block pressing column 7 is arranged on the top surface of the grinding and polishing block; turning over and opening the clamping arm 6, clamping the workpiece 13 through the workpiece clamping mechanism 4, stacking the grinding and polishing block 5 on the workpiece 13, enabling the working surface of the grinding and polishing block 5 to be in contact with the surface to be processed of the workpiece 13, and then turning over the clamping arm 6 to enable the bottom end of the grinding and polishing block pressing column 7 to be pressed in a matching structure on the grinding and polishing block 5; then the longitudinal movement driving device 31 drives the grinding and polishing block 5 to move longitudinally to process the surface of the workpiece. The clamping arm 6 is provided with a balancing weight at one end for mounting the grinding and polishing block pressing column 7, the balancing weight with set weight is added, so that the grinding and polishing block pressing column 7 is reliably pressed, and the situation that the grinding and polishing block 5 is separated from the grinding and polishing block pressing column 7 in the machining process is prevented. The longitudinal movement driving device 31 is composed of a driving motor 311 arranged in the case, a transmission shaft 312 arranged in the case, a first rotating shaft with an eccentric wheel 313 arranged on one side of the transmission shaft 312 in the case and a connecting rod 8; the driving motor 311 is connected with a driving wheel arranged on the transmission shaft 312 through a transmission belt; at least two driven wheels are arranged on the transmission shaft 312, wherein one driven wheel is connected with the first rotating shaft through a transmission belt; one end of the connecting rod 8 is connected with an eccentric column 9 arranged on the eccentric wheel 313, and the other end is connected with the longitudinal moving seat 32; the driving motor 311 rotates the driving shaft 312, so that the eccentric wheel 313 rotates to drive the longitudinal moving seat 32 to move longitudinally on the longitudinal sliding rail 33 through the connecting rod 8. All be equipped with collapsible safety cover on horizontal slide rail 43 and the vertical slide rail 33, prevent through collapsible safety cover that the dust becomes to be amasss, influence life.

As shown in fig. 2, 3 and 4, the fitting structure of the polishing block 5 is a hemispherical concave surface, and the bottom end of the polishing block pressing column 7 is in a ball head shape; the clamping arm 6 is turned over so that the ball-head-shaped bottom end of the grinding and polishing block pressing column 7 is matched in the hemispherical concave surface; the service life is further prolonged; the workpiece clamping mechanism 4 consists of a tool clamping seat 41, a workpiece mounting seat, a transverse moving seat 42, a transverse sliding rail 43 and a transverse moving driving device 44; the tool clamping seat 41 is fixed on the transverse moving seat 42; the workpiece mounting seat is provided with more than one workpiece mounting groove for fixing the workpiece 13, is placed on the tool clamping seat 41 and is clamped through a fixing piece arranged on the tool clamping seat 41; the transverse moving seat 42 is movably connected to the transverse sliding rail 43, and the transverse moving drive device 44 drives the transverse moving seat 42 to transversely move so as to transversely move the workpiece 13; when a plurality of workpieces 13 are fixed on the workpiece mounting seat, the grinding and polishing block pressing column 7 is abutted against the grinding and polishing block 5, so that when the working surface of the grinding and polishing block 5 is contacted with the workpieces, the stressed part is better jointed, and the precision quality of the plurality of processed workpieces 13 is inconsistent, so that the workpiece clamping part is designed into a structure capable of moving transversely, and meanwhile, the matched connection of the grinding and polishing block 5 and the grinding and polishing block pressing column 7 is designed into a ball head connection mode; therefore, the grinding and polishing block 5 can move transversely while moving longitudinally, and in the transverse movement process of the workpiece 13, the grinding and polishing block 5 swings left and right along with the workpiece 13 in a ball head connection mode when the workpiece 13 moves transversely, so that each workpiece 13 can be in full contact with the stressed part of the grinding and polishing block 5, and the processing quality is further improved.

As shown in fig. 1, the traverse driving device 44 is composed of a second rotating shaft with an eccentric 313 and a connecting rod 8 arranged in the machine case; one end of the connecting rod 8 is connected with an eccentric column 9 arranged on an eccentric wheel 313 on the second rotating shaft, and the other end is connected with the transverse moving seat 42; the second rotating shaft is connected with another driven wheel on a transmission shaft 312 on the longitudinal movement driving device 31 through a transmission belt, and drives an eccentric wheel 313 to rotate through a driving motor 311, so as to drive a transverse moving seat 42 connected with a connecting rod 8 to transversely move; the eccentric column 9 on the eccentric wheel 313 is a movable structure, and the distance between the eccentric column and the center of a circle on the eccentric wheel 313 can be adjusted according to requirements, so that the swing amplitude of the connecting rod 8 connected with the eccentric column can be adjusted to adapt to the processing of workpieces with different lengths. The connecting rod 8 comprises joint I, joint II and the body of rod, and the body of rod both ends all are equipped with the screw thread, and joint I is equipped with the screw hole that corresponds with body of rod screw thread with joint II, connects I and connects II through threaded connection at body of rod both ends, through the length of adjusting screw thread adjustment connecting rod 8 to the adaptation processing needs.

As shown in fig. 5, the top of the eccentric wheel 313 is provided with a connecting groove 3131, and one side of the connecting groove 3131 penetrates through the side surface of the eccentric wheel 313; the eccentric wheel 313 is provided with a mounting platform on the side surface through which the eccentric wheel 313 penetrates, a fixed block 11 is fixed on the mounting platform, a threaded hole is formed in the center of the fixed block 11, an adjusting screw 12 is connected in the threaded hole, the screw part of the adjusting screw 12 is located in the connecting groove 131, an eccentric column 9 is fixed on the screw part, and the distance between the eccentric column 9 and the circle center of the eccentric wheel 313 is adjusted through the adjusting screw 12 so as to adapt to processing of workpieces 13 with different lengths.

When the tool clamping device works, a plurality of workpieces 13 are fixed in the workpiece mounting grooves, the clamping arms 6 are turned over and opened, the workpiece mounting seat is placed on the tool clamping seat 41, and clamping is carried out through the fixing piece arranged on the tool clamping seat 41; the clamping arm 6 is closed, the bottom end of the grinding and polishing block pressing column 7 is pressed against the grinding and polishing block 5, then the device is externally connected with a power supply, a controller arranged in the case controls the driving motor 311 to work within a set time, the driving motor 311 drives the grinding and polishing block 5 to carry out longitudinal machining work when working, and simultaneously drives the workpiece mounting seat to move left and right, and the grinding and polishing block 5 is connected with the ball head of the grinding and polishing block pressing column 7 in a mode that the grinding and polishing block 5 swings left and right along with the force when the workpiece 13 moves left and right; each workpiece 13 can be fully contacted with the stressed part of the grinding and polishing block 5, so that the workpieces 13 processed by the grinding and polishing block 5 have consistent precision.

The utility model has simple structure, convenient use and low production cost, and further improves the competitiveness of enterprises; the grinding and polishing blocks 5 are independent pieces, can be provided with a plurality of grinding and polishing blocks, and comprise a grinding block for fine grinding and a polishing block for polishing; when in use, the polishing machine is replaced and selected according to the fine grinding procedure or the polishing procedure, thereby achieving the purposes of one machine and multiple purposes.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. A high-speed fine grinding polishing device for cylindrical lenses comprises a case, wherein the top of the case is provided with a workbench (1), and the workbench (1) is provided with more than one fine grinding polishing mechanism (2); the fine grinding and polishing mechanism (2) consists of a grinding and polishing mechanism (3), a workpiece clamping mechanism (4) and a grinding and polishing block (5); the grinding and polishing mechanism (3) is positioned at one side of the workpiece clamping mechanism (4); the grinding and polishing mechanism (3) comprises a longitudinal movement driving device (31), a longitudinal movement seat (32) and a longitudinal sliding rail (33); a clamping arm (6) is arranged on the longitudinal moving seat (32), one end of the clamping arm (6) is hinged to the longitudinal moving seat (32), and the other end of the clamping arm (6) clamps a grinding and polishing block pressing column (7), so that the grinding and polishing block pressing column (7) is positioned above the workpiece clamping mechanism (4); the longitudinal moving seat (32) is movably connected to a longitudinal sliding rail (33) through a sliding block arranged at the bottom, and the longitudinal moving seat (32) is driven to longitudinally move through a longitudinal moving driving device (31); the grinding and polishing block (5) is an independent piece, and a matching structure connected with the bottom end of the grinding and polishing block pressing column (7) is arranged on the top surface of the grinding and polishing block; the clamping arm (6) is turned over and opened, a workpiece (13) is clamped through the workpiece clamping mechanism (4), the grinding and polishing block (5) is stacked on the workpiece (13), the working surface of the grinding and polishing block (5) is in contact with the surface to be processed of the workpiece (13), and then the clamping arm (6) is turned over, so that the bottom end of the grinding and polishing block pressing column (7) is pressed in a matching structure on the grinding and polishing block (5); and then the longitudinal movement driving device (31) drives the grinding and polishing block (5) to move longitudinally to process the surface of the workpiece (13).

2. A high-speed lapping polishing apparatus for cylindrical lenses according to claim 1, wherein: and a balancing weight is arranged at one end of the clamping arm (6) provided with the grinding and polishing block pressing column (7).

3. A high-speed lapping polishing apparatus for cylindrical lenses according to claim 1, wherein: the longitudinal movement driving device (31) consists of a driving motor (311) arranged in the case, a transmission shaft (312) arranged in the case, a first rotating shaft with an eccentric wheel (313) and a connecting rod (8), wherein the first rotating shaft is arranged in the case and positioned on one side of the transmission shaft (312); the driving motor (311) is connected with a driving wheel arranged on the transmission shaft (312) through a transmission belt; at least two driven wheels are arranged on the transmission shaft (312), wherein one driven wheel is connected with the first rotating shaft through a transmission belt; one end of the connecting rod (8) is connected with an eccentric column (9) arranged on the eccentric wheel (313), and the other end of the connecting rod is connected with the longitudinal moving seat (32); the eccentric wheel (313) is driven to rotate by the driving motor (311), so that the connecting rod (8) drives the longitudinal moving seat (32) to longitudinally move on the longitudinal sliding rail (33).

4. A high-speed lapping polishing apparatus for cylindrical lenses according to claim 1, wherein: the matching structure of the grinding and polishing block (5) is a hemispherical concave surface, the bottom end of the grinding and polishing block pressing column (7) is in a ball head shape, and the clamping arm (6) is turned over to enable the bottom end of the grinding and polishing block pressing column (7) to be pressed in the hemispherical concave surface.

5. The high-speed lapping and polishing apparatus for cylindrical lenses according to claim 4, wherein: the workpiece clamping mechanism (4) consists of a tool clamping seat (41), a workpiece mounting seat, a transverse moving seat (42), a transverse sliding rail (43) and a transverse moving driving device (44); the tool clamping seat (41) is fixed on the transverse moving seat (42); the workpiece mounting seat is provided with more than one workpiece mounting groove for fixing a workpiece (13), is placed on the tool clamping seat (41), and is clamped through a fixing piece arranged on the tool clamping seat (41); the transverse moving seat (42) is movably connected to the transverse sliding rail (43), and the transverse moving seat (42) is driven by the transverse moving driving device (44) to transversely move, so that the workpiece (13) transversely moves.

6. A high-speed lapping polishing apparatus for cylindrical lenses according to claim 5, wherein: the transverse movement driving device (44) consists of a second rotating shaft with an eccentric wheel (313) and a connecting rod (8) which are arranged in the machine box; one end of the connecting rod (8) is connected with an eccentric column (9) arranged on an eccentric wheel (313) on the second rotating shaft, and the other end of the connecting rod is connected with the transverse moving seat (42); the second rotating shaft is connected with another driven wheel on a transmission shaft (312) on the longitudinal movement driving device (31) through a transmission belt, and the driving motor (311) drives the second rotating shaft to rotate so as to drive the transverse movement seat (42) to transversely move.

7. A high-speed lapping polishing apparatus for cylindrical lenses according to claim 3, wherein: connecting rod (8) are become with the body of rod by connecting I, connecting II, and the body of rod both ends all are equipped with the screw thread, connect I and connect II to be equipped with the screw hole that corresponds with body of rod screw thread, connect I and connect II to pass through threaded connection at body of rod both ends, through the length of adjusting screw thread adjustment connecting rod (8).

8. A high-speed lapping polishing apparatus for cylindrical lenses according to claim 7, wherein: the eccentric column (9) on the eccentric wheel (313) is a movable structure, the distance between the eccentric column and the circle center on the eccentric wheel (313) can be adjusted according to requirements, and the swing amplitude of the connecting rod (8) is adjusted.

9. A high-speed lapping polishing apparatus for cylindrical lenses according to claim 8, wherein: the top of the eccentric wheel (313) is provided with a connecting groove (3131), and one side of the connecting groove (3131) penetrates through the side face of the eccentric wheel (313); the eccentric wheel (313) is equipped with mounting platform on the side that runs through, is fixed with fixed block (11) on the mounting platform, and the center of fixed block (11) is equipped with the connecting hole, and connecting hole internal thread connection has adjusting screw (12), and the screw rod part of adjusting screw (12) is located spread groove (3131), is fixed with eccentric post (9) on the screw rod part, adjusts the distance of the centre of a circle on eccentric post (9) and eccentric wheel (313) through adjusting screw (12).

10. A high-speed lapping polishing apparatus for cylindrical lenses according to claim 5, wherein: and foldable protective covers are arranged on the transverse sliding rails (43) and the longitudinal sliding rails (33).