CN211490761U - Mechanism for machining outer arc surface of workpiece - Google Patents
Mechanism for machining outer arc surface of workpiece Download PDFInfo
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- CN211490761U CN211490761U CN202020083378.3U CN202020083378U CN211490761U CN 211490761 U CN211490761 U CN 211490761U CN 202020083378 U CN202020083378 U CN 202020083378U CN 211490761 U CN211490761 U CN 211490761U
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Abstract
The utility model discloses an outer arc surface machining mechanism of work piece, which comprises a base, the rotary disk, the grinding emery wheel that corresponds with the rotary disk position and the rotatory drive arrangement of drive grinding emery wheel, the outer peripheral face of grinding emery wheel is the plane, the rotary disk passes through the bearing and installs the side at the base, install the auxiliary structure that the drive rotary disk carries out reciprocal rotatory half week on the bearing, the work piece positioning fixture who is used for fixing a position the work piece is installed towards a side of grinding emery wheel on the rotary disk, and the downside of grinding emery wheel is located the top side top of work piece on the work piece positioning fixture, the rotary disk drives the work piece and carries out the downside plane contact of reciprocal rotatory half week back work piece top side and grinding emery wheel, in order. The structure greatly improves the surface finish of the workpiece after grinding the outer arc surface, the processing time of the outer arc surface after fine grinding and coarse grinding is shorter than that of the outer arc surface of the optical curve grinding, the processing time is reduced, the processing efficiency of the product is improved, and the processing cost is reduced.
Description
Technical Field
The utility model relates to a machining equipment, especially a processing agency of outer arc surface of work piece.
Background
At present, one side face of a splicing workpiece of a plurality of groove-shaped female dies and two corresponding side faces of groove-shaped convex blocks are processed into arc faces, however, the splicing workpiece of the plurality of groove-shaped female dies which are processed into the arc faces are spliced with each other to form a disc-shaped groove-shaped female die 200, the groove-shaped convex blocks 300 can be correspondingly inserted into an inner groove of the disc-shaped groove-shaped female die, and in the prior art, the outer arc face of the groove-shaped female die is processed by adopting optical curve grinding, because optical curve grinding equipment is expensive, the processing cost is high, the processing time efficiency is longer, the grinding efficiency is lower, meanwhile, a grinding wheel 100 made of a diamond material is adopted in the optical curve grinding process, namely, the grinding face of the sharp grinding wheel is in small contact with the face of the workpiece, so that the surface of the workpiece after grinding has micro grooves, and the finish.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough and one kind of reduction processing cost that designs of above-mentioned technique, promote grinding efficiency's outer arc surface machining mechanism of work piece.
The utility model discloses an outer arc surface machining mechanism of work piece, which comprises a base, the rotary disk, the grinding emery wheel that corresponds with the rotary disk position and the rotatory drive arrangement of drive grinding emery wheel, the outer peripheral face of grinding emery wheel is the plane, the rotary disk passes through the bearing and installs the side at the base, install the auxiliary structure that the drive rotary disk carries out reciprocal rotation half week on the bearing, install the work piece positioning fixture who is used for fixing a position the work piece towards a side of grinding emery wheel on the rotary disk, and the downside of grinding emery wheel is located the top side top of work piece on the work piece positioning fixture, the rotary disk drives the work piece and carries out the downside plane contact of reciprocal rotation half week back work piece top side and grinding emery wheel, in.
Further preferably, the workpiece positioning fixture comprises a positioning block, a positioning ring and a workpiece clamping block which are installed on the positioning block, wherein a V-shaped through groove is formed in the top surface of the positioning block, inclined planes which are consistent with the inclined angles of the inner side inclined planes of the V-shaped through groove are respectively arranged on the two corresponding side surfaces of the lower portion of the workpiece clamping block, a positioning through groove is formed in the workpiece clamping block, a workpiece is inserted into the positioning through groove, a plurality of threaded holes are formed in the top surface of the workpiece clamping block, the lower portion of the workpiece clamping block is inserted into the V-shaped through groove, the inclined planes are attached to the inner side inclined planes of the V-shaped through groove, a fastening threaded hole is formed in the position, corresponding to the position of the workpiece clamping block, of the positioning ring, a fastening bolt is screwed into the fastening threaded hole and the threaded hole.
Further preferably, the workpiece positioning fixture comprises a workpiece positioning block and a clamping groove formed in the side face of the rotary disc, one end of the workpiece positioning block is embedded into the clamping groove and then fixed through a bolt, the top face of the workpiece positioning block is an arc face, a workpiece positioning through groove and a threaded hole communicated with the workpiece positioning through groove are formed in the workpiece positioning block, two corresponding side faces of the workpiece positioning through groove are inclined planes, a fastening bolt is screwed into the threaded hole after the workpiece is positioned in the workpiece positioning through groove, the end of the fastening bolt is abutted to the workpiece, the outer side face of the workpiece is tightly attached to the inner side inclined plane of the workpiece positioning through groove, and the top face side of the workpiece is higher than the top.
Preferably, the auxiliary structure comprises a rotating shaft and a hand-cranking handle, one end of the rotating shaft is inserted and fixed in the inner ring of the bearing, and the other end of the rotating shaft is fixedly connected with the hand-cranking handle.
Further preferably, a limiting rod is fixed on one side of the top of the other side face of the base.
Further preferably, the driving device is a motor or a belt transmission mechanism driven by the motor.
Further preferably, still include the board, take the lateral displacement lead screw slip table and the servo slip table of longitudinal displacement of hand wheel, install fixed drive arrangement on the slider of the servo slider of longitudinal displacement, install the bottom of fixed baseplate on the slider of lateral displacement lead screw slip table, and the servo slip table of longitudinal displacement and the equal installation of lateral displacement lead screw slip table are fixed at the top surface of board.
More preferably, the grinding wheel is a resin grinding wheel.
The utility model discloses an outer arc surface machining mechanism of work piece, its structure adopts work piece and grinding wheel to carry out the plane contact for work piece positioning fixture and hand formula grinding machine grinding structure and technology carry out the corase grind and the correct grinding back, reach the smooth finish behind the outer arc surface of work piece grinding and obtained great promotion, the outer arc surface process time of the outer arc surface of process correct grinding and corase grind is shorter than the outer arc surface process time of optical curve grinding, reduce the processing ageing, in order to promote product machining efficiency, the simultaneous processing is cost reduction also.
Drawings
FIG. 1 is a schematic view showing a structure of a disc-shaped groove-type die;
FIG. 2 is the whole structure diagram of embodiment 1;
FIG. 3 is a partial structural view (one) of the grinding mechanism of embodiment 1;
FIG. 4 is a schematic view of the construction of a work holding block of embodiment 1;
FIG. 5 is a schematic view showing the structure of a grooved male mold of example 1;
FIG. 6 is the whole structure diagram of embodiment 2 (II);
FIG. 7 is a partial structural view of a grinding mechanism of embodiment 2;
FIG. 8 is a schematic view (one) of the construction of the work holding block of embodiment 2;
FIG. 9 is a schematic view (II) of the construction of the workpiece clamping block of embodiment 2;
FIG. 10 is a schematic structural view of a slot-die splice of example 2;
FIG. 11 is a schematic structural view of a groove-shaped female die splice of example 2 with a top surface machined to be a circular arc surface;
FIG. 12 is a schematic diagram of a point grinding wheel configuration.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1, the mechanism for processing an outer arc surface of a workpiece described in this embodiment includes a base 1, a rotating disk 2, a grinding wheel 5 corresponding to the rotating disk 2, and a driving device 6 for driving the grinding wheel 5 to rotate, wherein the peripheral side surface of the grinding wheel is a plane, the rotating disk 2 is mounted on one side surface of the base 1 through a bearing 13, an auxiliary structure 3 for driving the rotating disk 2 to rotate in a reciprocating manner for a half cycle is mounted on the bearing 13, a workpiece positioning fixture 7 for positioning a workpiece is mounted on one side surface of the rotating disk 2 facing the grinding wheel 5, and the lower side surface of the grinding wheel 5 is positioned above the top side surface of the workpiece on the workpiece positioning fixture 7, the top side surface of the workpiece is contacted with the lower side surface of the grinding wheel 5 after the rotating disc 2 drives the workpiece to rotate for half a cycle in a reciprocating way, and the rotating shaft 31 on the other side surface of the rotating disk 2 is fixed with the inner ring of the bearing 13 in the base 1 in an interference fit manner.
The structure designed for realizing longitudinal and transverse displacement of the workpiece and the grinding wheel is as follows: the machine table comprises a machine table 12, a transverse displacement screw rod 10 sliding table with a hand wheel 104 and a longitudinal displacement servo sliding table 11, wherein a fixed driving device is installed on a sliding block 111 of a longitudinal displacement servo sliding block, the bottom of a fixed base 1 is installed on a sliding block 101 of the transverse displacement screw rod sliding table, and a shell connecting lug of the longitudinal displacement servo sliding table and a shell connecting lug of the transverse displacement screw rod sliding table are both installed and fixed on the top surface of the machine table through bolts. The transverse displacement screw rod sliding table and the longitudinal displacement servo sliding table are both composed of a ball screw 103 and a linear slide rail 102, a hand wheel is installed at one end of the ball screw 103 of the transverse displacement screw rod sliding table 10, a servo motor is installed at one end of the ball screw 103 of the longitudinal displacement servo sliding table, however, the specific structures of the transverse displacement screw rod sliding table and the longitudinal displacement servo sliding table are well known technologies, and therefore detailed description is not provided herein; .
The workpiece positioning clamp 7 designed for processing the outer arc surface of the top surface of a long rod type workpiece comprises a positioning block 73, a positioning ring 75 and a workpiece clamping block 74, wherein the positioning ring 75 and the workpiece clamping block 74 are installed on the positioning block 73, a V-shaped through groove 731 is arranged on the top surface of the positioning block, inclined surfaces 741 which are consistent with the inclined angles of the inner inclined surfaces of the V-shaped through groove 731 are respectively arranged on the two corresponding lower side surfaces of the workpiece clamping block 74, a positioning through groove 741 is arranged on the workpiece clamping block 74, a workpiece is inserted into the positioning through groove 741, a plurality of threaded holes 743 are arranged on the top surface of the workpiece clamping block 74, the lower portions of the workpiece clamping block 74 are inserted into the V-shaped through groove 731, the inclined surfaces are attached to the inner inclined surfaces of the V-shaped through groove, a fastening threaded hole 752 is arranged on the positioning ring 75 at a position corresponding to the position of the workpiece clamping block, a fastening, fix a position with the side plane to work piece and work piece clamp piece, wherein the locating piece adopts the bolt to fix with the rotary disk and links to each other, the structure of holding ring is the semicircle ring body, and the screens piece 751 is set up at the both ends of semicircle ring, the corresponding both sides wall of locating piece sets up screens groove 732, two screens piece 751 imbeds respectively and fix a position in screens groove 732, then back in the hole of work piece clamp insert semicircle ring body, tight set bolt on the semicircle ring body compresses tightly the work piece and presss from both sides tight piece, tight set bolt rotating makes the semicircle ring body move up under the screw hole effect of semicircle ring body when compressing tightly work piece and pressing from both sides tight piece, thereby tight set bolt on the semicircle ring body realizes fixing a position half-circle ring body and work piece and presss from both sides tight piece.
The auxiliary structure 3 designed for realizing the hand-operated grinding comprises a rotating shaft 31 and a hand-operated handle 32, wherein one end of the rotating shaft is inserted and fixed in the inner ring of the bearing 13 in an interference fit manner, and the other end of the rotating shaft is connected and fixed with the hand-operated handle. Wherein the hand crank handle is fixed with the end part of the rotating shaft through bolts or welding.
The working principle of the structure is as follows: the method comprises the steps that firstly, a groove-shaped male die 8 with a plane top side face is inserted into a positioning through groove, then the groove-shaped male die butts against the top side face of a workpiece through the end portion of a screw rod of a fastening bolt, the workpiece is compressed and fixed, then a hand wheel is used for driving a sliding block of a transverse displacement lead screw sliding table to displace the workpiece to be under a grinding wheel, at the moment, a longitudinal displacement servo sliding table is driven to be electrified to drive a servo motor, the sliding block is driven to displace downwards, the grinding wheel is displaced to a position where the side portion of the top side face of the workpiece can be in contact with the outer circumferential face of the grinding wheel after the workpiece rotates in a reciprocating mode for a half cycle, at the moment, the motor of a driving device is electrified to enable the grinding wheel to rotate at a high speed, the workpiece rotates.
In the embodiment, a limiting rod 14 is fixed on one side of the top of the other side surface of the base 1; the structure is used for limiting the hand crank handle 32 when rotating for half a circle.
In this embodiment, the driving device 6 is a motor or a belt transmission mechanism driven by the motor, wherein the motor is fixed on the slider of the longitudinal displacement servo sliding table through a bolt by using a connecting flange or a connecting lug of a housing of the motor, if the belt transmission mechanism is adopted, a mounting plate needs to be fixed on the slider of the longitudinal displacement servo sliding table through a bolt, a driving pulley and a driven pulley are mounted on the side surface of the mounting plate side through a bearing and a rotating shaft, then a driving belt is tightly expanded on the driving pulley and the driven pulley, and a grinding wheel is fixedly mounted at one end of the rotating shaft of the driven pulley in a sleeved manner; if the grinding wheel is directly arranged on the motor, the grinding wheel is directly sleeved and fixed on a rotating shaft of the motor.
In the embodiment, the grinding wheel is a resin grinding wheel, so that the surface finish of the ground workpiece surface is further improved.
Example 2:
the general structure of the mechanism for machining an outer arc surface of a workpiece described in this embodiment is the same as that of embodiment 1, but differs from embodiment 1 in that: the workpiece positioning clamp 7 comprises a workpiece positioning block 72 and a clamping groove 71 arranged on the side surface of the rotating disc 2, one end part of the workpiece positioning block is embedded into the clamping groove 71 and then fixed through a bolt 725, the top surface of the workpiece positioning block is an arc surface, a workpiece positioning through groove 721 and a threaded hole 724 communicated with the workpiece positioning through groove 721 are arranged on the workpiece positioning block, the two corresponding side surfaces of the workpiece positioning through groove 721 are inclined surfaces 723, after a workpiece is positioned in the workpiece positioning through groove, a fastening bolt is screwed into the threaded hole 724, the end part of the fastening bolt is abutted against the workpiece, the outer side surface of the workpiece is tightly attached to the inner side inclined plane of the workpiece positioning through groove, the top surface side of the workpiece is higher than the top surface of the workpiece positioning block, the workpiece positioning clamp is mainly applied to processing of an outer circular arc surface of a groove-shaped female die splicing piece.
The structure is processed: the groove-shaped female die splicing piece 9 is inserted into the workpiece positioning through groove and then is abutted against the top side surface of the workpiece through the end part of a screw rod of a fastening bolt to tightly press and fix the workpiece, the fastening bolt laterally tightly presses and fixes the workpiece, at the moment, the top side of the workpiece is higher than the top surface of a workpiece positioning block, then a hand wheel is used for driving a slide block of a transverse displacement lead screw sliding table to displace the workpiece to be under a grinding wheel, at the moment, a longitudinal displacement servo sliding table is driven to be electrified to drive a servo motor to drive the slide block to displace downwards, the grinding wheel is displaced to a position where the side part of the top side surface of the workpiece can be contacted with the outer circumferential surface of the grinding wheel after the workpiece rotates for a half cycle in a reciprocating way, at the moment, the motor of a driving device is electrified to enable the grinding wheel to rotate at a high speed, the workpiece rotates for a half cycle in a reciprocating way through, after grinding of one position on the workpiece is completed, the hand wheel is rotated to drive the sliding block of the transverse displacement screw sliding table to feed for a certain distance, so that grinding machining of the next position is performed.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a work piece outer arc surface processing agency, a serial communication port, which comprises a base, the rotary disk, the grinding emery wheel that corresponds with the rotary disk position and the rotatory drive arrangement of drive grinding emery wheel, the outer peripheral face of grinding emery wheel is the plane, the rotary disk passes through the bearing and installs the side at the base, install the auxiliary structure that the drive rotary disk carries out reciprocal rotation half-cycle on the bearing, install the work piece positioning fixture who is used for fixing a position the work piece towards a side of grinding emery wheel on the rotary disk, and the downside of grinding emery wheel is located the top side top of work piece on the work piece positioning fixture, the top side of work piece contacts with the downside plane of grinding emery wheel after the rotary disk drives the work piece and carries.
2. The mechanism for machining an outer circular arc surface of a workpiece according to claim 1, wherein the workpiece positioning jig comprises a positioning block, a positioning ring mounted on the positioning block, and a workpiece clamping block, wherein a V-shaped through groove is formed in a top surface of the positioning block, inclined surfaces having inclination angles corresponding to those of inner inclined surfaces of the V-shaped through groove are respectively formed on corresponding two side surfaces of a lower portion of the workpiece clamping block, a positioning through groove is formed in the workpiece clamping block, the workpiece is inserted into the positioning through groove, a plurality of threaded holes are formed in a top surface of the workpiece clamping block, a lower portion of the workpiece clamping block is inserted into the V-shaped through groove, the inclined surfaces are abutted against the inner inclined surfaces of the V-shaped through groove, a fastening threaded hole is formed in the positioning ring at a position corresponding to the position of the workpiece clamping block, a fastening bolt is screwed into each of the, so as to position and fix the workpiece and the workpiece clamping block.
3. The mechanism for machining an outer circular arc surface of a workpiece according to claim 1, wherein one end of the workpiece positioning block is fixed by a bolt after being inserted into the slot, the top surface of the workpiece positioning block is an arc surface, the workpiece positioning block is provided with a workpiece positioning through slot and a threaded hole communicated with the workpiece positioning through slot, two corresponding side surfaces of the workpiece positioning through slot are inclined surfaces, after the workpiece is positioned in the workpiece positioning through slot, a fastening bolt is screwed into the threaded hole, the end of the fastening bolt abuts against the workpiece, the outer side surface of the workpiece is tightly attached to the inner inclined surface of the workpiece positioning through slot, and the top surface of the workpiece is higher than the top surface of the workpiece positioning block.
4. The mechanism for machining the outer arc surface of the workpiece according to claim 1, 2 or 3, wherein the auxiliary structure comprises a rotating shaft and a hand-operated handle, one end of the rotating shaft is inserted and fixed in the inner ring of the bearing, and the other end of the rotating shaft is fixedly connected with the hand-operated handle.
5. The mechanism for machining an outer arc surface of a workpiece according to claim 4, wherein a stopper rod is fixed to one side of the top of the other side surface of the base.
6. A mechanism for machining the outer arc surface of a workpiece according to claim 4, wherein the drive means comprises a motor or a belt drive mechanism driven by a motor.
7. The mechanism of claim 4, further comprising a machine table, a transverse displacement screw rod sliding table with a hand wheel, and a longitudinal displacement servo sliding table, wherein a fixed driving device is installed on a sliding block of the longitudinal displacement servo sliding block, the bottom of the fixed base is installed on a sliding block of the transverse displacement screw rod sliding table, and the longitudinal displacement servo sliding table and the transverse displacement screw rod sliding table are both installed and fixed on the top surface of the machine table.
8. The mechanism for machining an outer arc surface of a workpiece according to claim 4, wherein the grinding wheel is a resin grinding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020083378.3U CN211490761U (en) | 2020-01-15 | 2020-01-15 | Mechanism for machining outer arc surface of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020083378.3U CN211490761U (en) | 2020-01-15 | 2020-01-15 | Mechanism for machining outer arc surface of workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN211490761U true CN211490761U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020083378.3U Active CN211490761U (en) | 2020-01-15 | 2020-01-15 | Mechanism for machining outer arc surface of workpiece |
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| Country | Link |
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| CN (1) | CN211490761U (en) |
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2020
- 2020-01-15 CN CN202020083378.3U patent/CN211490761U/en active Active
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