CN212735303U - Clamp for cylindrical grinding of valve rods - Google Patents
Clamp for cylindrical grinding of valve rods Download PDFInfo
- Publication number
- CN212735303U CN212735303U CN202021281056.6U CN202021281056U CN212735303U CN 212735303 U CN212735303 U CN 212735303U CN 202021281056 U CN202021281056 U CN 202021281056U CN 212735303 U CN212735303 U CN 212735303U
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- Prior art keywords
- feeding
- positioning groove
- clamping jaw
- groove
- workpiece
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- 238000000227 grinding Methods 0.000 title claims abstract description 36
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 229910001651 emery Inorganic materials 0.000 claims description 8
- 238000003801 milling Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model provides a clamp for valve rod excircle grinding, which comprises a transfer mechanism, a feeding seat, a manipulator mechanism, a lifting system and a feeding system, wherein the manipulator mechanism comprises a first clamping jaw and a second clamping jaw, the transfer mechanism comprises a transfer seat body and a dumping mechanism, the transfer seat body is provided with a second positioning groove, the second positioning groove is positioned at the tail end of the first positioning groove and communicated to form a smooth workpiece conveying channel, the groove surface on one side of the feeding seat on the second positioning groove is lower than the horizontal central surface of a workpiece, the feeding seat comprises a feeding seat body, a third positioning groove and a clamping jaw extending groove, a clamping jaw assembly extends into the clamping groove from the clamping jaw extending groove to grab the workpiece positioned on the third positioning groove, the height of the third positioning groove is lower than that of the second positioning groove, and the third positioning groove central plane and the linear feeding track of the manipulator mechanism are both positioned on the grinding central plane of the grinding wheel guide wheel assembly. The fixture can improve the grinding efficiency of workpieces and avoid safety problems caused by manual feeding.
Description
Technical Field
The utility model relates to a frock clamp for centerless grinder especially indicates a valve rod class for peripheral milling anchor clamps.
Background
When a large amount of small-sized rotary body workpieces are produced, a centerless grinding machine is used for grinding the outer circle of the small-sized parts such as valve rods, the parts are short and large in batch, manual feeding and discharging are low in efficiency, high in danger and uncontrollable in grinding quality, and therefore a special feeding clamp system for the small-sized cylindrical parts such as the valve rods is needed.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of above prior art, the utility model provides a valve rod class is anchor clamps for peripheral milling aims at improving valve rod peripheral milling efficiency, guarantees production safety.
The technical scheme of the utility model is realized like this:
the utility model provides a valve rod class for peripheral milling anchor clamps fixes in the feeding frame that is used for supporting the carriage, and the emery wheel mount is used for installing the emery wheel guide pulley subassembly, and the feeding frame is located one side of emery wheel mount, has the first constant head tank of the V-arrangement structure of support work piece excircle on the carriage, and it includes: the conveying mechanism is positioned at the tail end of the conveying frame, the feeding seat is positioned at one side of the conveying mechanism, the manipulator mechanism is positioned right above the feeding seat, the lifting system for driving the manipulator mechanism to lift and the feeding system for driving the manipulator to horizontally feed and feed, the lifting system and the feeding system are both fixed on the feeding frame, the manipulator mechanism comprises a clamping jaw assembly capable of grabbing a workpiece and a clamping and placing system for driving the clamping jaw assembly to move, the conveying mechanism comprises a conveying seat body with one end connected with a pin shaft of the feeding frame and an overturning mechanism connected with the other end of the conveying seat body, the upper end of the conveying seat body is provided with a second positioning groove with a V-shaped structure, the second positioning groove is positioned at the tail end of the first positioning groove and communicated to form a smooth workpiece conveying channel, the groove surface on one side of the feeding seat body on the second positioning groove is lower than the horizontal central surface of the workpiece, the feeding seat comprises a feeding seat body, a third positioning groove with a V-shaped structure positioned on the, the lower end of the clamping jaw assembly extends into the clamping jaw extending groove to grab a workpiece positioned on the third positioning groove, the height of the third positioning groove is lower than that of the second positioning groove, the third positioning groove is positioned in a workpiece blanking area when the transfer base body is inclined, and the center plane of the third positioning groove and the linear feeding track of the manipulator mechanism are both positioned on the grinding center plane of the grinding wheel guide wheel assembly.
Preferably, topple over the mechanism including toppling over the cylinder, with topple over the ejector pin that the cylinder piston rod is connected and the sliding pin of being connected with the ejector pin upper end, transport the pedestal and install on lieing in the transportation fixing base in the feeding frame, topple over the cylinder and fix on transporting the fixing base, be equipped with waist type sliding tray on transporting the pedestal, when the ejector pin goes up and down, the sliding pin both ends slide in waist type sliding tray.
Further preferably, the tail end of the transferring seat body is provided with a baffle plate, the baffle plate comprises a plate body and a fixed plate which are welded into an integral structure, the lower end of the plate body extends into the second positioning groove, the fixed plate is provided with an adjusting groove, and the fixed plate is connected with the other side of the transferring seat body through the adjusting groove.
Further preferably, the clamping jaw assembly comprises a first clamping jaw, a second clamping jaw, a first jaw rod for fixing the first clamping jaw, a second jaw rod for fixing the second clamping jaw, and a clamping jaw guide seat for fixing the first jaw rod and the second jaw rod, the clamping and placing system drives the second jaw rod to move, a guide groove for the second jaw rod to move is formed in the clamping jaw guide seat, and a guide groove for the upper end of the second jaw rod to slide is formed in the lower end of the first jaw rod.
More preferably, the grinding wheel fixing frame further comprises a workpiece pushing-out system fixed on the other side of the grinding wheel fixing frame, the workpiece pushing-out system comprises a pushing-out air cylinder and a pushing-out end located at the end part of a piston rod of the pushing-out air cylinder, the pushing-out end and the central axis of the workpiece are located on the same plane, and the outer diameter of the pushing-out end is smaller than the outer diameter.
More preferably, the workpiece feeding device further comprises a positioning system which is located on the feeding seat and located at the rear end of the workpiece feeding direction, the positioning system comprises a positioning cylinder and a positioning end located at the end part of a piston rod of the positioning cylinder, and the central axis of the positioning end is located on the central plane of the third positioning groove and can extend into the third positioning groove to push the position of the workpiece to be adjusted.
Compared with the prior art, the utility model discloses an anchor clamps can improve work piece grinding efficiency, avoids the safety problem that artifical material loading causes simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a feeding seat and a transfer mechanism;
FIG. 3 is a schematic view of a valve stem transfer process;
fig. 4 is a schematic view of the baffle structure in fig. 1.
In the figure: 1. a grinding wheel fixing frame; 2. a feeding frame; 21. a transferring fixed seat; 22. a feeding fixing seat; 221. a waist-shaped fixing groove; 3. a grinding wheel guide wheel assembly; 4. a positioning system; 5. a carriage; 51. a first positioning groove; 6. a transfer mechanism; 61. a transfer seat body; 62. a second positioning groove; 63. an L-shaped slot; 64. a waist-shaped sliding groove; 7. a feeding seat; 71. a feeding base body; 72. a third positioning groove; 73. the clamping jaw extends into the groove; 74. sliding down the curved surface; 8. a baffle plate; 81. a plate body; 82. a fixing plate; 821. an adjustment groove; 9. a manipulator mechanism; 91. a clamping cylinder; 92. a clamping jaw guide seat; 93. a first claw bar; 94. a first jaw; 95. a second jaw; 96. a second claw bar; 10. a lifting system; 11. a feeding system; 12. a feeding guide rod; 13. a workpiece ejecting system; 14. a blanking frame; 15. an output frame; 16. a dumping mechanism; 161. a slide pin; 162. and a push rod.
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 without creative efforts belong to the protection scope of the present invention.
Fig. 1-4 collectively show a valve rod type cylindrical grinding fixture, which is used for loading a workpiece conveyed by a conveying frame 5 into a grinding area of a grinding wheel guide wheel assembly 3, and is fixed on a feeding frame 2 for supporting the conveying frame 5, the grinding wheel fixing frame 1 is used for installing the grinding wheel guide wheel assembly 3, the feeding frame 2 is located on one side of the grinding wheel fixing frame 1, the conveying frame 5 can have a certain inclination, so that the workpiece can be automatically slid and conveyed, the conveying frame 5 is provided with a first positioning groove 51 of a V-shaped structure for supporting the outer circle of the workpiece, and as shown in fig. 2 and 3, the fixture comprises: a transfer mechanism 6 at the tail end of the conveying frame 5, a feeding seat 7 at one side of the transfer mechanism 6, a manipulator mechanism 9 directly above the feeding seat 7, a lifting system 10 driving the manipulator mechanism 9 to lift, and a feeding system 11 driving the manipulator to horizontally feed and feed, wherein the lifting system 10 and the feeding system 11 are both fixed on the feeding frame 2, the lifting system 10 and the feeding system 11 are both common pneumatic systems, and the structure thereof is not described herein, wherein the lifting system 10 is fixed on the feeding system 11, during the process of feeding and return returning of the feeding system 11, the grinding wheel guide wheel assembly 3 can move between the feeding rack 2 and the grinding wheel fixing frame 1 along the grinding center plane, a feeding guide rod 12 crossing the feeding rack 2 and the grinding wheel fixing frame 1 is arranged for improving the supporting rigidity of the feeding system 11, and the lifting system 10 slides along the feeding guide rod 12 under the driving of the driving end of the feeding system 11; the manipulator mechanism 9 comprises a clamping jaw assembly capable of grabbing a workpiece and a clamping system for driving the clamping jaw assembly to move, the clamping jaw assembly can grab and release under the driving of the clamping system, the transferring mechanism 6 comprises a transferring base body 61 with one end connected with a pin shaft of the feeding rack 2 and a dumping mechanism 16 connected with the other end of the transferring base body 61, the dumping mechanism 16 can drive the transferring base body 61 to rotate and incline along the pin shaft, the upper end of the transferring base body 61 is provided with a second positioning groove 62 with a V-shaped structure, the second positioning groove 62 is positioned at the tail end of the first positioning groove 51 and communicated to form a smooth workpiece conveying channel, namely, the second positioning groove 62 has the same inclination, height, groove surface inclination and the like with the first positioning groove 51, the workpiece can naturally slide into the second positioning groove 62 from the first positioning groove 51, the groove surface on one side of the feeding base 7 on the second positioning groove 62 is lower than the horizontal central surface of, when the dumping mechanism 16 drives the transferring seat body 61 to incline, the center of gravity of the workpiece loses support, and the workpiece slides onto the feeding seat 7 through the transferring seat body 61, the feeding seat 7 comprises a feeding seat body 71, a third positioning groove 72 with a V-shaped structure and a clamping jaw extending groove 73, the third positioning groove 72 is positioned on the upper end surface of the feeding seat body 71, the clamping jaw extending groove 73 is positioned in the center of the third positioning groove 72, the lower end of the clamping jaw assembly extends into and grabs the workpiece positioned on the third positioning groove 72 through the clamping jaw extending groove 73, therefore, the width of the clamping jaw extending groove 73 is larger than the thickness of the lower end of the clamping jaw assembly, the height of the third positioning groove 72 is lower than that of the second positioning groove 62 and is positioned in the workpiece blanking area when the transferring seat body 61 inclines, the center plane of the third positioning groove 72 and the linear feeding track of the manipulator mechanism 9 are both positioned on the grinding center plane of the grinding wheel guide wheel assembly 3, the feeding seat, the feeding seat body 71 is connected with the feeding fixing seat 22 through a waist-shaped fixing groove 221 so as to adjust the position of the feeding seat body 71.
Compared with the prior art, the utility model discloses anchor clamps have following beneficial effect:
1. the valve rod on the conveying frame 5 is automatically conveyed to the feeding seat 7 through the conveying seat, and the mechanical hand mechanism 9 automatically grips and places the valve rod into a grinding area, so that the safety problem caused by manual feeding can be avoided, and meanwhile, the production efficiency is high;
2. the transfer seat can separate the workpieces to be fed from other workpieces on the conveying frame 5, so that the manipulator mechanism 9 can conveniently grab and feed the workpieces;
3. the conveying frame 5 is arranged on one side of the feeding direction in an offset mode, the production line is more compact, the feeding seat 7 is arranged on the grinding center face of the grinding wheel guide wheel assembly 3, and when the position of the feeding seat is adjusted, the whole conveying line is not affected, and a workpiece can be accurately positioned;
as a preferred technical scheme, the utility model discloses a further embodiment, as shown in fig. 2 and fig. 3, empty the mechanism 16 and preferably use the pneumatic drive mode, it is including empting the cylinder, with empty ejector pin 162 that the cylinder piston rod is connected and with the sliding pin 161 of ejector pin 162 upper end connection, it installs on the transportation fixing base 21 that is located feeding frame 2 to transport pedestal 61, transport pedestal 61 one end and transport fixing base 21 round pin hub connection, it fixes on transporting fixing base 21 to empty the cylinder, be equipped with waist type sliding tray 64 on transporting pedestal 61, when ejector pin 162 goes up and down, it takes place the slope around the round pin hub rotation to transport pedestal 61, it is not more than 30 to transport pedestal 61 inclination, sliding pin 161 both ends slide in waist type sliding tray 64 simultaneously, the work piece landing is to material loading seat 7.
As a preferred technical solution, the utility model discloses a still another embodiment is equipped with baffle 8 at the tail end of transporting pedestal 61, as shown in fig. 4, baffle 8 is including plate body 81 and the fixed plate 82 of welding integrative structure, the plate body 81 lower extreme has the hypotenuse that suits with second constant head tank 62, and stretch into in the second constant head tank 62, be equipped with adjustment tank 821 on the fixed plate 82, fixed plate 82 passes through adjustment tank 821 and is connected with the opposite side of transporting pedestal 61, consequently, baffle 8's position can be adjusted according to the length of work piece, make baffle 8 equal work piece length to the distance of carriage 5 tail end, the single work piece of single separable of being convenient for.
As a preferred technical solution, in still another embodiment of the present invention, as shown in fig. 1, the jaw assembly includes a first jaw 94, a second jaw 95, a first jaw rod 93 for fixing the first jaw 94, a second jaw rod 96 for fixing the second jaw 95, and a jaw guide 92 for fixing the first jaw rod 93 and the second jaw rod 96, the clamping system is preferably a clamping cylinder 91 for driving the second jaw rod 96 to move, the first jaw 94 and the first jaw rod 93, and the second jaw rod 95 and the second jaw rod 96 respectively form an L-shaped structure, a guide groove (not shown) for guiding the second jaw rod 96 to move is provided in the jaw guide 92, a rib or a protrusion capable of extending into the guide groove can be provided on the second jaw rod 96, a guide groove (not shown) for extending and sliding an upper end surface of the second jaw rod 96 is provided at a lower end of the first jaw rod 93, the guide groove is parallel to a grinding center of the grinding wheel assembly 3, therefore, during the gripping operation, the first jaw 94 is kept stationary and the second jaw 95 is moved in parallel relative to each other.
As a preferred technical scheme, the utility model discloses a still another embodiment, for the convenience of the work piece after the automatic release grinding, still be equipped with work piece ejecting system 13 at emery wheel mount 1 opposite side, it is including the ejecting cylinder and being located the ejecting end of ejecting cylinder piston rod tip, and the ejecting end is located the coplanar with the central axis of work piece, and its external diameter is less than the work piece external diameter, is convenient for stretch into in the middle of guide pulley and the emery wheel to the work piece is accurately ejected, and by 14 roll-offs of oblique blanking frame to output frame 15.
As a preferred technical scheme, the utility model discloses a further embodiment, for the removal stroke distance that reduces second clamping jaw 95, still be equipped with positioning system 4 in material loading seat 7 rear end (being the rear end of work piece direction of feed), positioning system 4 sets up in feeding frame 2, and can follow work piece direction of delivery and adjust, with the distance between adjusting system 4 and the material loading seat 7 of regulation, positioning system 4 includes positioning cylinder and the positioning end that is located positioning cylinder tailpiece of the piston rod portion, the central axis of positioning end is located third constant head tank 72 central plane, and can stretch into the position that promotes the regulation work piece in the third constant head tank 72.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a valve rod class for cylindrical grinding anchor clamps fixes in the feeding frame that is used for supporting the carriage, and the emery wheel mount is used for installing the emery wheel guide pulley subassembly, and the feeding frame is located one side of emery wheel mount, has the first constant head tank of the V-arrangement structure of support work piece excircle on the carriage, its characterized in that includes: the conveying mechanism is positioned at the tail end of the conveying frame, the feeding seat is positioned at one side of the conveying mechanism, the manipulator mechanism is positioned right above the feeding seat, the lifting system for driving the manipulator mechanism to lift and the feeding system for driving the manipulator to horizontally feed and feed, the lifting system and the feeding system are both fixed on the feeding frame, the manipulator mechanism comprises a clamping jaw assembly capable of grabbing a workpiece and a clamping and placing system for driving the clamping jaw assembly to move, the conveying mechanism comprises a conveying seat body with one end connected with a pin shaft of the feeding frame and an overturning mechanism connected with the other end of the conveying seat body, the upper end of the conveying seat body is provided with a second positioning groove with a V-shaped structure, the second positioning groove is positioned at the tail end of the first positioning groove and communicated to form a smooth workpiece conveying channel, the groove surface on one side of the feeding seat body on the second positioning groove is lower than the horizontal central surface of the workpiece, the feeding seat comprises a feeding seat body, a third positioning groove with a V-shaped structure positioned on the, the lower end of the clamping jaw assembly extends into the clamping jaw extending groove to grab a workpiece positioned on the third positioning groove, the height of the third positioning groove is lower than that of the second positioning groove, the third positioning groove is positioned in a workpiece blanking area when the transfer base body is inclined, and the center plane of the third positioning groove and the linear feeding track of the manipulator mechanism are both positioned on the grinding center plane of the grinding wheel guide wheel assembly.
2. The jig for cylindrical grinding of valve stems according to claim 1, characterized in that: toppling over the mechanism including toppling over the cylinder, with toppling over the ejector pin that cylinder piston rod is connected and the sliding pin of being connected with the ejector pin upper end, transport the pedestal and install and be located on the transportation fixing base in the feeding frame, topple over the cylinder and fix on transporting the fixing base, be equipped with waist type sliding tray on the transportation pedestal, when the ejector pin goes up and down, the sliding pin both ends slide in waist type sliding tray.
3. The jig for cylindrical grinding of valve stems according to claim 2, characterized in that: the tail end of the transferring seat body is provided with a baffle plate, the baffle plate comprises a plate body and a fixed plate which are welded into an integral structure, the lower end of the plate body extends into the second positioning groove, the fixed plate is provided with an adjusting groove, and the fixed plate is connected with the other side of the transferring seat body through the adjusting groove.
4. The jig for cylindrical grinding of valve stems according to claim 3, characterized in that: the clamping jaw assembly comprises a first clamping jaw, a second clamping jaw, a first jaw rod for fixing the first clamping jaw, a second jaw rod for fixing the second clamping jaw and a clamping jaw guide seat for fixing the first jaw rod and the second jaw rod, the clamping system drives the second jaw rod to move, a guide groove for the second jaw rod to move is formed in the clamping jaw guide seat, and a guide groove for the upper end of the second jaw rod to slide is formed in the lower end of the first jaw rod.
5. The jig for cylindrical grinding of valve stems according to claim 4, wherein: the workpiece pushing system comprises a pushing cylinder and a pushing end located at the end of a piston rod of the pushing cylinder, the pushing end and the central axis of the workpiece are located on the same plane, and the outer diameter of the pushing end is smaller than that of the workpiece.
6. The jig for cylindrical grinding of valve stems according to claim 5, wherein: the feeding seat is provided with a feeding hole, the feeding hole is provided with a feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021281056.6U CN212735303U (en) | 2020-07-02 | 2020-07-02 | Clamp for cylindrical grinding of valve rods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021281056.6U CN212735303U (en) | 2020-07-02 | 2020-07-02 | Clamp for cylindrical grinding of valve rods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212735303U true CN212735303U (en) | 2021-03-19 |
Family
ID=75020642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021281056.6U Expired - Fee Related CN212735303U (en) | 2020-07-02 | 2020-07-02 | Clamp for cylindrical grinding of valve rods |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212735303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255259A (en) * | 2022-08-17 | 2022-11-01 | 安庆市鼎立汽车配件有限公司 | Feeding device for upsetting of valve based on mechanical claw |
-
2020
- 2020-07-02 CN CN202021281056.6U patent/CN212735303U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255259A (en) * | 2022-08-17 | 2022-11-01 | 安庆市鼎立汽车配件有限公司 | Feeding device for upsetting of valve based on mechanical claw |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |