CN201579658U - Automatic feeding device of centerless grinding machine - Google Patents
Automatic feeding device of centerless grinding machine Download PDFInfo
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- CN201579658U CN201579658U CN2010200393421U CN201020039342U CN201579658U CN 201579658 U CN201579658 U CN 201579658U CN 2010200393421 U CN2010200393421 U CN 2010200393421U CN 201020039342 U CN201020039342 U CN 201020039342U CN 201579658 U CN201579658 U CN 201579658U
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Abstract
The utility model relates to an automatic feeding device of a centerless grinding machine. The automatic feeding device comprises a hydraulic thrust part, a tension part and a hydraulic control system. The oil cylinder of the thrust part is fixed at the upper part of a base through bolts. The piston of the oil cylinder is connected with hinge shafts through a coupling. A thrust rod is connected with two hinge shafts and is connected with a guide wheel feeding screw rod through a coupling. A one-way speed regulating valve is installed on the right side of the base. The tension part is formed by two groups of movable pulley seats and fixed pulley seats and four pulleys. The movable pulley seats are fixed on a guide wheel mechanism. The fixed pulley seats are fixed on the base. Two pulleys are dragged by a steel wire rope. The end of the steel wire rope which is wound through the movable pulleys is fixed on a support. The steel wire rope at the end of the fixed pulleys is connected with a load bearing block component. The ends of the steel wire rope are fixed by steel wire wedging sleeves and steel wire rope clamps in an inflecting way. The device can complete automatic feeding for valve grinding and cutting through a hydraulic feeding and constant-force reverse-pulling return method. After the device is installed, the labor intensity of operators is reduced, the product quality is greatly improved and the enterprise economic benefit is remarkable.
Description
Affiliated technical field
The utility model relates to a kind of centerless grinder auto-feeder, specifically a kind of device that is installed in the auto-feed of finishing the valve grinding on the centerless grinder.
Background technology
The centreless grinding lathe is widely used in internal combustion engine in addition in the processing of the accessory face of cylinder and the field of machining, and its bar bar portion Principle of Grinding and Cutting adopts bar periphery location to carry out centerless grinding processing.Valve is the moving component in the I. C engine distribution mechanism, its manufacture process craft complexity.Valve is in mechanical processing process, and centerless grinding processing is adopted in the grinding of bar portion, and its bar portion percent defective accounts for the whole machined percent defective of valve a large portion; Operative employee's hand feed and manual taking and placing instability caused bar portion off-dimension and bar portion galled spots to scrap when main cause was grinding.Make the technical barrier of this link for solving valve by manual feeding, need design the centerless grinder auto-feeder,, reduce valve processing percent defective in order to improve centerless grinder automated production level, guarantee the quality of production of valve, improve economic benefit of enterprises.
Summary of the invention
The purpose of this utility model is to provide a kind of centerless grinder auto-feeder, solution at valve fabrication stage valve workpiece by manual feeding and cause poor product quality, problem that percent defective is high, by auto-feeder is installed on centerless grinder, improve centerless grinder automated production level, realize subtracting the purpose of useless synergy.
In order to achieve the above object, provide a kind of centerless grinder auto-feeder, comprise hydraulic control, hydraulic thrust oil cylinder part and falling part also are installed;
The hydraulic thrust part is made up of push action cylinder, shaft coupling, distance rod, hinge axis and bearing, unidirectional flow speed control valve and screw rod locking mechanism, push action cylinder is by being bolted to the right flank top of base, the distance rod two ends are connected with two hinge axis, hinge axis is equipped with bearing, a hinge axis connects the piston of push action cylinder by shaft coupling, another hinge axis is connected with feed screw in the guide wheel mechanism by shaft coupling, retaining mechanism is housed on the screw mandrel, retaining mechanism is fixed by bolts on the flange seat, and flange seat is fixed on the guide wheel mechanism; On the base right side unidirectional flow speed control valve is installed; Base is installed on the bed piece by hexagon socket head cap screw;
Falling part has two groups of movable pulley seats and fixed pulley seat, be installed in the both sides of hydraulic thrust part respectively, the movable pulley seat is fixed on the lathe guide wheel mechanism, the fixed pulley seat is fixed on the base, four pulleys are installed, and moving, fixed two pulley rooms adopt rope traction respectively, and steel wire rope one end of walking around movable pulley is on bearing, steel wire rope one end of walking around fixed pulley is connected with the heavy burden block part, and steel wire rope two ends are all fixed by inflection and with steel wire contract cover and rope cramp; Bearing is fixed on the base middle part;
Include unidirectional flow speed control valve, two-position four way change valve and overflow valve in the hydraulic control, hydraulic control is connected with the machine tool hydraulic station.
The utility model centerless grinder auto-feeder, described retaining mechanism is made up of locking flange, locking fixture, top cover, lock nut and set lever.
Described heavy burden piece is provided with two holes, inserts weight-loading rod in the hole, by connecting screw and bearing pin the heavy burden piece is connected with steel wire rope on the weight-loading rod.
The push action cylinder of hydraulic control has been installed on described base right flank top at device, control the movement velocity of oil cylinder by control valve, wherein, by unidirectional speed governing pressure regulating valve, overflow valve keeps the delivery side of pump constant pressure, process that two-position four way change valve is realized connecting and the direction that changes liquid stream is finished the work.In the push action cylinder down either side two groups of pulley bases have been installed, be fixed with four pulleys, by the motion of hydraulic control control push action cylinder piston, piston moves down, driving hinge axis by shaft coupling moves, the promotion distance rod is moved to the left, and promote the guide wheel mechanism upper screw rod by hinge axis and shaft coupling and be moved to the left, centerless grinder guide wheel feeding planker is laterally moved left to be drawn close to the workpiece place, guide wheel is touched and grinding work piece, grinding finishes, piston moves up and drives distance rod upwards, this moment, screw mandrel was under the effect of distance rod and falling part promptly bear a heavy burden the double action of piece, finished the auto-feed and the return of a valve grinding in the anti-mode that pulls to the return that moves right of constant force.
The utility model centerless grinder auto-feeder has following advantage:
1, the utility model is by installing auto-feeder on centerless grinder, changed the backward situation of engine valve stem grinding in the past, and solved bar portion off-dimension and the high problem of bar portion galled spots percent defective that manual operations causes by manual operation feeding.The utility model auto-feeder has been installed, has been eliminated the destabilizing factor of various manual operations in the grinding, controlled and improved grinding beat and product sequence quality, the percent defective of valve manufacturing is descended greatly.
2, the utility model auto-feeder has advantages such as simple in structure, easy to install and use, provides better platform for centerless grinder descends the design of material loading automatically simultaneously.The utility model auto-feeder is installed, has been alleviated labor intensity of operating personnel, reduced production cost, the business economic remarkable benefit.
Description of drawings
Fig. 1 is the utility model centerless grinder auto-feeder general construction schematic diagram.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the utility model centerless grinder auto-feeder hydraulic thrust part-structure partial cutaway schematic.
Fig. 4 is that A-A among Fig. 3 is to structural representation.
Fig. 5 is the hydraulic control device connection layout of centerless grinder auto-feeder.
Among the above-mentioned figure: 1 guide wheel mechanism, 2 flange seats, 3 locking flanges, 4 top covers, 5 locking fixtures, 6 lock nuts, 7 retaining mechanisms, 8 set levers, 9 screw mandrels, 10 fastening caps, 11 shaft couplings, 12 bearings, 13 jump rings, 14 hinge axis, 15 distance rods, 16 lower tube joints, 170 type circles, 18 upper tube joints, 19 rear pressing covers, 20 pistons, 21 push action cylinders, 22V shape sealing ring, gland before 23,24 sealing glands, 25 rear rail panels, 26 unidirectional flow speed control valves, 27 bed pieces, 28 device pedestals, 29 blocks, 30 spring washers, 31 hexagon socket head cap screws, 32 fromer rail panels, 33 straight pins, 34 copper sheathings, 35 get sub-screw, 36 movable pulley seats, 37 axial compressions lid, 38 steel wire ropes, 39 rope cramps, 40 steel wire contract covers, 41 back-up rings, 42 bearings, 43 fixed pulley seats, 44 take turns gland, 45 bearing pins, 46 connect screw, 47 weight-loading rods, 48 heavy burden pieces, 49 pulley spindles, 50 pulleys, 51 guide wheel feeding plankers, 52 two-position four way change valves, 53 overflow valves, 54 machine tool hydraulic stations.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1: the general assembly drawing of the utility model centerless grinder auto-feeder and is installed to this device on the centerless grinder as shown in Figure 1, 2.This device comprises hydraulic thrust part, falling part and hydraulic control at least;
The hydraulic thrust oil cylinder 21 of hydraulic thrust part is by being bolted to the left surface top of base 28, the piston 20 of push action cylinder connects hinge axis 14 by shaft coupling 11, distance rod 15 connects hinge axis, and be connected with the feed screw 9 of guide wheel mechanism 1 by shaft coupling, retaining mechanism 7 is housed on the screw mandrel, retaining mechanism is fixed by bolts on the flange seat 2, and flange seat is fixed on the guide wheel mechanism; On base 28 right sides unidirectional flow speed control valve 26 is installed; Base is installed on the bed piece 27 by hexagon socket head cap screw 31;
Falling part has two groups of movable pulley seats 36 and fixed pulley seat 43, be installed in the both sides of hydraulic thrust part respectively, every group of movable pulley seat is fixed on the lathe guide wheel mechanism 1, the fixed pulley seat is fixed on the base, every group is equipped with two pulleys 50, moving, fixed two pulley rooms adopt steel wire rope 38 tractions respectively, steel wire rope one end of walking around movable pulley is on bearing 42, steel wire rope one end of walking around fixed pulley is connected with the heavy burden block part, and steel wire rope two ends are all by inflection and fixing with steel wire contract cover 40 and rope cramp 39; Bearing is fixed on the base middle part; Heavy burden piece 48 is provided with two holes, inserts weight-loading rod 47 in the hole, by connecting screw 46 and bearing pin 45 the heavy burden piece is connected with steel wire rope 38 on the weight-loading rod.
Referring to Fig. 3, retaining mechanism 7 is made up of locking flange 3, locking fixture 5, top cover 4, lock nut 6 and set lever 8;
Referring to Fig. 5, include unidirectional flow speed control valve 26, two-position four way change valve 52, overflow valve 53, hydraulic control in the device of hydraulic control and be connected with machine tool hydraulic station 54.
Embodiment 2: the centerless grinder of embodiment 1 having been installed auto-feeder is applied to the valve grinding, its production process is: after starting machine tool hydraulic system, open motor, the emery wheel rotation, start the hydraulic control system of auto-feeder, the pressure of regulating unidirectional flow speed control valve 26 reaches regulates the pressure that hydraulic pressure push action cylinder 21 needs, and keeps the delivery side of pump constant pressures by overflow valve 52, process that two-position four way change valve 53 is realized connecting and the direction that changes liquid stream is finished the work; When push action cylinder 21 actions, piston 20 moves down and promptly drives distance rod 15 and promote screw mandrels 9 and be moved to the left, screw mandrel drives the guide wheel feeding planker traverse feed of centerless grinder guide wheel mechanism, draw close to the workpiece place guide wheel is touched and grinding work piece, grinding finishes, piston moves up and drives distance rod upwards, this moment, screw mandrel was under the effect of distance rod and falling part promptly bear a heavy burden the double action of piece, finished the auto-feed and the return of a valve grinding in the anti-mode that pulls to the return that moves right of constant force; After finishing grinding, detect workpiece, adjust workpiece grinding size by the handwheel on the grinding machine guide wheel mechanism, after adjusting, be locked by retaining mechanism, workpiece begins to continue grinding, and auto-feeder reruns.
The utility model centerless grinder auto-feeder design science, rationally, improvement cost is low, easy to operate, the application of this device has alleviated labor intensity of operating personnel, has reduced percent defective, has improved production efficiency, the business economic remarkable benefit.
Claims (3)
1. a centerless grinder auto-feeder comprises hydraulic control, it is characterized in that: hydraulic thrust part and falling part also are installed;
The hydraulic thrust part is made up of push action cylinder, shaft coupling, distance rod, hinge axis, bearing, unidirectional flow speed control valve and screw rod locking mechanism, push action cylinder is by being bolted to the right flank top of base, the distance rod two ends are connected with two hinge axis, hinge axis is equipped with bearing, a hinge axis connects the piston of push action cylinder by shaft coupling, another hinge axis is connected with feed screw in the guide wheel mechanism by shaft coupling, retaining mechanism is housed on the screw mandrel, retaining mechanism is fixed by bolts on the flange seat, and flange seat is fixed on the guide wheel mechanism; On the base right side unidirectional flow speed control valve is installed; Base is installed on the bed piece by bolt and straight pin;
Falling part has two groups of movable pulley seats and fixed pulley seat, be installed in the both sides of hydraulic thrust part respectively, the movable pulley seat is fixed on the lathe guide wheel mechanism, the fixed pulley seat is fixed on the base, four pulleys are installed, and moving, fixed two pulley rooms adopt rope traction respectively, and steel wire rope one end of walking around movable pulley is on bearing, steel wire rope one end of walking around fixed pulley is connected with the heavy burden block part, and steel wire rope two ends are all fixed by inflection and with steel wire contract cover and rope cramp; Bearing is fixed on the base middle part;
Include unidirectional flow speed control valve, two-position four way change valve and overflow valve in the hydraulic control, hydraulic control is connected with the machine tool hydraulic station.
2. centerless grinder auto-feeder according to claim 1 is characterized in that: described retaining mechanism is made up of locking flange, locking fixture, top cover, lock nut and set lever.
3. centerless grinder auto-feeder according to claim 1 is characterized in that: described heavy burden piece is provided with two holes, inserts weight-loading rod in the hole, by connecting screw and bearing pin the heavy burden piece is connected with steel wire rope on the weight-loading rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200393421U CN201579658U (en) | 2010-01-07 | 2010-01-07 | Automatic feeding device of centerless grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200393421U CN201579658U (en) | 2010-01-07 | 2010-01-07 | Automatic feeding device of centerless grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201579658U true CN201579658U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200393421U Expired - Fee Related CN201579658U (en) | 2010-01-07 | 2010-01-07 | Automatic feeding device of centerless grinding machine |
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| Country | Link |
|---|---|
| CN (1) | CN201579658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118835A (en) * | 2010-07-27 | 2013-05-22 | 阿雷瓦核废料回收公司 | Device for inserting, guiding, and removing cylindrical parts, such as nuclear fuel pellets, in a centerless grinder |
| CN107962482A (en) * | 2016-10-19 | 2018-04-27 | 张云清 | Environment-friendly type valve end face grinding machine |
-
2010
- 2010-01-07 CN CN2010200393421U patent/CN201579658U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103118835A (en) * | 2010-07-27 | 2013-05-22 | 阿雷瓦核废料回收公司 | Device for inserting, guiding, and removing cylindrical parts, such as nuclear fuel pellets, in a centerless grinder |
| CN103118835B (en) * | 2010-07-27 | 2016-02-10 | 阿雷瓦核废料回收公司 | For inserting, guiding and discharge the equipment of the cylindrical parts of such as fuel ball and so in centerless grinder |
| CN107962482A (en) * | 2016-10-19 | 2018-04-27 | 张云清 | Environment-friendly type valve end face grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100915 Termination date: 20160107 |