CN202556219U - Valve grinding machine - Google Patents

Valve grinding machine Download PDF

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Publication number
CN202556219U
CN202556219U CN 201220225103 CN201220225103U CN202556219U CN 202556219 U CN202556219 U CN 202556219U CN 201220225103 CN201220225103 CN 201220225103 CN 201220225103 U CN201220225103 U CN 201220225103U CN 202556219 U CN202556219 U CN 202556219U
Authority
CN
China
Prior art keywords
valve
transmission shaft
axle
power transmission
chuck
Prior art date
Application number
CN 201220225103
Other languages
Chinese (zh)
Inventor
丘伟国
Original Assignee
机械工业第三设计研究院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 机械工业第三设计研究院 filed Critical 机械工业第三设计研究院
Priority to CN 201220225103 priority Critical patent/CN202556219U/en
Application granted granted Critical
Publication of CN202556219U publication Critical patent/CN202556219U/en

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Abstract

The title valve grinding machine comprises a rotation driving unit and a climbing mechanism, wherein the rotation driving unit includes a motor, at least one transmission shaft, a transmission mechanism connecting the motor and transmission shaft, and a grip holder arranged on the transmission shaft and used for griping a valve stem; the climbing mechanism includes a guide rod, a movable frame arranged on the guide rod and in single-degree-of-freedom sliding fit with the guide rod, and a first driver for driving the movable frame to perform reciprocating sliding along the guide rod; and the transmission shaft and motor are arranged on the movable frame. By griping the valve stem and driving the valve stem to rotate for grinding via the rotation driving unit, the inventive valve grinding machine has high grinding work efficiency, and can reduce processing cost; and reliably fixes a cylinder cover and the valve stem during grinding, eliminates artificial error, has high grinding accuracy and stable quality, and can ensure assembly quality of engine and meet demand of batch production.

Description

Valve grinder
Technical field
The utility model relates to a kind of grinding machinery, the lapping device of particularly a kind of engine cylinder cap valve and valve retainer.
Background technology
The grinding of valve and valve retainer is the essential operation before the engine assembling.If valve grinding is bad, can cause valve sealing bad, have a strong impact on the dynamic property of engine.At present for the grinding of valve and the valve retainer of single-cylinder engine cylinder head, generally all adopt hand-held tool or simply facility carry out hand-ground, its grinding efficiency is low, Grinding Quality is undesirable.
Therefore, need a kind of lapping device that can improve valve grinding efficient and Grinding Quality.
The utility model content
In view of this, the purpose of the utility model provides a kind of valve grinder, and it can automatically accomplish the grinding of valve, and grinding precision is high, and production efficiency is high; Thereby guarantee the assembly quality and the demand that satisfies production in enormous quantities of engine.
The utility model valve grinder comprises rotating driving device and lifting body;
Said rotating driving device comprises the transmission mechanism of motor, at least one power transmission shaft, connection motor and power transmission shaft and is arranged at the chuck that is used for the clamping valve stem on the power transmission shaft;
Said lifting body comprises guide post, be arranged on the guide post and the mobile framework that is slidingly matched with its single-degree-of-freedom and be used to drive and move first drive unit that framework reciprocatingly slides along guide post, and said power transmission shaft and motor are arranged on the mobile framework.
Further; Said chuck comprises the axle that is connected with power transmission shaft, be fixed in support bar on the axle, be articulated at least two intermediate plates on the support bar and be used to drive the driving mechanism that intermediate plate rotates around jointed shaft; Said intermediate plate is formed the chuck of clamping valve stem; The chuck end of jointed shaft top is provided with the clamping hole adaptive and coaxial with axle with valve stem, and the chuck of jointed shaft below is provided with a up-small and down-big tapered portion;
Said driving mechanism comprises first spring that is arranged on the axle each intermediate plate applied thrust, is coated at the pressing plate of tapered portion and is used to drive second drive unit that pressing plate moves up and down, and said first spring is positioned on the axle of jointed shaft below;
Further; Said chuck also comprises the governor motion that is used for adjustable clamp cover upper-lower position; The sliding axle that is placed in said governor motion comprises in the power transmission shaft and is slidingly matched with its single-degree-of-freedom, be fixedly connected on second spring on sliding axle and the adjusting screw(rod) end respectively with the adjusting screw(rod) and the two ends of power transmission shaft threaded engagement, sliding axle is fixedly connected with axle;
Further, said adjusting screw(rod) is provided with locking nut;
Further, said axle is fixedly connected through radiation fins with sliding axle;
Further, also comprise frame, said rotating driving device and lifting body are two groups and be fixed on the frame through the Connection Block that is arranged on the guide post, and the power transmission shaft of two groups of drive units is inverted v-shaped and arranges;
Further, said transmission mechanism is the belt wheel transmission mechanism;
Further, said every group of rotating driving device comprises 5 power transmission shafts;
Further, also comprise the electric control gear that is used to control motor, first drive unit and the action of second drive unit;
Further, also comprise and be arranged at the anchor clamps that are used for fixing cylinder cover on the frame removably.
The beneficial effect of the utility model: the utility model valve grinder, clamp valve stem and drive the valve stem rotation through rotary drive mechanism and grind, grind high efficiency, can cut down finished cost; Cylinder cover and valve stem are fixing reliable during grinding, have eliminated the human error that hand lapping exists, and grinding precision is high, steady quality, can guarantee the assembly quality of engine and satisfy the demand of producing in enormous quantities.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the front view of the utility model valve grinder;
Fig. 2 is the left view half sectional view of Fig. 1;
Fig. 3 is the structural representation of rotating driving device and lifting body;
Fig. 4 is the chuck structure sketch map.
The specific embodiment
Fig. 1 is the front view of the utility model valve grinder; Fig. 2 is the left view half sectional view of Fig. 1; Fig. 3 is the structural representation of rotating driving device and lifting body; Fig. 4 is the chuck structure sketch map.
As shown in the figure, the present embodiment valve grinder comprises rotating driving device and lifting body;
Said rotating driving device comprises motor 1, power transmission shaft 2, connects the transmission mechanism 3 of motor 1 and power transmission shaft 2 and is arranged at the chuck that is used for the clamping valve stem on the power transmission shaft 2;
Said lifting body comprises guide post 4, be arranged on the guide post 4 and the mobile framework 5 that is slidingly matched with its single-degree-of-freedom and be used to drive and move first drive unit 6 that framework 5 reciprocatingly slides along guide post 4, and said power transmission shaft 2 and motor 1 are arranged at and move on the framework 5.
First drive unit 6 in the present embodiment is a cylinder, and certainly in different embodiments, first drive unit 6 can also be an oil cylinder or by the reciprocating drive units commonly used such as leading screw of motor-driven and mobile framework 5 threaded engagement.
In the utility model valve grinder when work,, the chuck through rotary drive mechanism clamps valve stem and drives valve stems through motor 1 and transmission mechanism 3 and rotates and grind, and grinds high efficiency, can cut down finished cost; Cylinder cover and valve stem are fixing reliable during grinding, have eliminated the human error that hand lapping exists, and grinding precision is high, steady quality, can guarantee the assembly quality of engine and satisfy the demand of producing in enormous quantities.Lifting body in this valve grinder is used for the driven in rotation device, thereby makes valve stem get into or withdraw from the valve retainer on the cylinder cover.
In the present embodiment; Said chuck comprises the axle 7 that is connected with power transmission shaft 2, be fixed in support bar 8 on the axle 7, be articulated at least two intermediate plates 9 on the support bar 8 and be used to drive the driving mechanism that intermediate plate 9 rotates around jointed shaft; Said intermediate plate 9 is formed the chuck of clamping valve stem; The chuck end of jointed shaft top is provided with the clamping hole 10 adaptive and coaxial with axle with valve stem, and the chuck of jointed shaft below is provided with a up-small and down-big tapered portion;
Said driving mechanism comprises first spring 11 that is arranged on the axle 7 each intermediate plate applied thrust, is coated at the pressing plate 12 of tapered portion and is used to drive second drive unit 13 that pressing plate moves up and down, and said first spring 11 is positioned on the axle of jointed shaft below.
The quantity of intermediate plate 9 is specially two in the present embodiment, and is simple in structure, is convenient to make; Certainly in different embodiments, the quantity of intermediate plate can also be for more than other number of two, like 3 or 4 etc.
In the present embodiment, said second drive unit 13 is cylinder, and is simple in structure, is convenient to implement; Certainly second drive unit 13 can also be other structure in different embodiments, and as can adopting motor-driven leading screw driving mechanism commonly used, but its embodiment is complicated than present embodiment.
In the present embodiment; Said chuck also comprises the governor motion that is used for adjustable clamp cover upper-lower position; The sliding axle 14 that is placed in said governor motion comprises in the power transmission shaft 2 and is slidingly matched with its single-degree-of-freedom, be fixedly connected on second spring 16 on sliding axle 14 and adjusting screw(rod) 15 ends respectively with the adjusting screw(rod) 15 and the two ends of power transmission shaft 2 threaded engagement, sliding axle 14 is fixedly connected with axle 7.Through rotation adjusting screw rod 15, therefore the pretightning force between scalable valve and the valve retainer can adjust Grinding Quality and grinding efficiency through this governor motion.
In the present embodiment, said adjusting screw(rod) 15 is provided with locking nut 17; After adjusting the chuck position,, can guarantee that the chuck position can not change, thereby guarantee the stability of Grinding Quality through locking nut 17 locking adjusting screw(rod)s 15.
In the present embodiment, said axle 7 is fixedly connected through radiation fins 18 with sliding axle 14; Can filter the impact shock in the transmission process through radiation fins, help guaranteeing Grinding Quality.
The present embodiment valve grinder also comprises frame 19, and said rotating driving device and lifting body are two groups and be fixed on the frame 19 through the Connection Block 20 that is arranged on the guide post 4, and the power transmission shaft 2 of two groups of drive units is inverted v-shaped and arranges.Because the inlet valve and the exhaust valve of single-cylinder engine are arranged with inverted v-shaped, so this structure is specially adapted to the valve grinding of single-cylinder engine, the grinding efficiency height.Certainly in different embodiments, rotating driving device and lifting body also can only be established one group, can grind respectively inlet valve and exhaust valve.
In the present embodiment, said transmission mechanism 3 is the belt wheel transmission mechanism, and certainly in different embodiments, transmission mechanism also can be selected sprocket chain bar formula transmission mechanism or gear drive etc. for use.
In the present embodiment, said every group of rotating driving device comprises 5 power transmission shafts 2, and it can be simultaneously grinds the inlet and exhaust valve of 5 cover engine cylinder covers, and grinding efficiency is high; Certainly in different embodiments, the quantity of the power transmission shaft 2 of every group of rotating driving device can be selected as required, but power transmission shaft 2 is at least one.
The present embodiment valve grinder also comprises the electric control gear 21 that is used to control motor 1, first drive unit 6 and 13 actions of second drive unit; Can make motor 1, first drive unit 6 and 13 teamworks of second drive unit through electric control gear; Realize automatic grinding, grinding efficiency is higher.Certainly also can be in different embodiments through manually controlling the work of motor 1, first drive unit 6 and second drive unit 13 respectively.
The present embodiment valve grinder also comprises and is arranged at the anchor clamps 22 that are used for fixing cylinder cover on the frame 19 removably; Anchor clamps 22 can be changed according to different cylinder covers.
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.

Claims (10)

1. a valve grinder is characterized in that: comprise rotating driving device and lifting body;
Said rotating driving device comprises the transmission mechanism of motor, at least one power transmission shaft, connection motor and power transmission shaft and is arranged at the chuck that is used for the clamping valve stem on the power transmission shaft;
Said lifting body comprises guide post, be arranged on the guide post and the mobile framework that is slidingly matched with its single-degree-of-freedom and be used to drive and move first drive unit that framework reciprocatingly slides along guide post, and said power transmission shaft and motor are arranged on the mobile framework.
2. valve grinder according to claim 1; It is characterized in that: said chuck comprises the axle that is connected with power transmission shaft, be fixed in support bar on the axle, be articulated at least two intermediate plates on the support bar and be used to drive the driving mechanism that intermediate plate rotates around jointed shaft; Said intermediate plate is formed the chuck of clamping valve stem; The chuck end of jointed shaft top is provided with the clamping hole adaptive and coaxial with axle with valve stem, and the chuck of jointed shaft below is provided with a up-small and down-big tapered portion;
Said driving mechanism comprises first spring that is arranged on the axle each intermediate plate applied thrust, is coated at the pressing plate of tapered portion and is used to drive second drive unit that pressing plate moves up and down, and said first spring is positioned on the axle of jointed shaft below.
3. valve grinder according to claim 2; It is characterized in that: said chuck also comprises the governor motion that is used for adjustable clamp cover upper-lower position; The sliding axle that is placed in said governor motion comprises in the power transmission shaft and is slidingly matched with its single-degree-of-freedom, be fixedly connected on second spring on sliding axle and the adjusting screw(rod) end respectively with the adjusting screw(rod) and the two ends of power transmission shaft threaded engagement, sliding axle is fixedly connected with axle.
4. valve grinder according to claim 3 is characterized in that: said adjusting screw(rod) is provided with locking nut.
5. valve grinder according to claim 4 is characterized in that: said axle is fixedly connected through radiation fins with sliding axle.
6. according to arbitrary described valve grinder among the claim 1-5; It is characterized in that: also comprise frame; Said rotating driving device and lifting body are two groups and be fixed on the frame through the Connection Block that is arranged on the guide post, and the power transmission shaft of two groups of drive units is inverted v-shaped and arranges.
7. valve grinder according to claim 6 is characterized in that: said transmission mechanism is the belt wheel transmission mechanism.
8. valve grinder according to claim 7 is characterized in that: said every group of rotating driving device comprises 5 power transmission shafts.
9. valve grinder according to claim 8 is characterized in that: also comprise the electric control gear that is used to control motor, first drive unit and the action of second drive unit.
10. valve grinder according to claim 9 is characterized in that: also comprise being arranged at the anchor clamps that are used for fixing cylinder cover on the frame removably.
CN 201220225103 2012-05-18 2012-05-18 Valve grinding machine CN202556219U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220225103 CN202556219U (en) 2012-05-18 2012-05-18 Valve grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220225103 CN202556219U (en) 2012-05-18 2012-05-18 Valve grinding machine

Publications (1)

Publication Number Publication Date
CN202556219U true CN202556219U (en) 2012-11-28

Family

ID=47205917

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220225103 CN202556219U (en) 2012-05-18 2012-05-18 Valve grinding machine

Country Status (1)

Country Link
CN (1) CN202556219U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103481182A (en) * 2013-09-05 2014-01-01 中国西电电气股份有限公司 Hydraulic-spring mechanism reversing-valve valve spool and valve bush running-in device
CN105522455A (en) * 2015-11-27 2016-04-27 芜湖银星汽车零部件有限公司 End surface grinding device for valve rods
CN105666032A (en) * 2016-03-03 2016-06-15 安庆市鼎立汽车配件有限公司 Device for valve collet groove grinding
CN105690210A (en) * 2016-03-03 2016-06-22 安庆市鼎立汽车配件有限公司 Grinding device of full-automatic valve lock clamping groove
CN107030591A (en) * 2017-06-05 2017-08-11 厦门艾尔普斯汽车零配件有限责任公司 Head valve automatic grinding device and control method
CN107639531A (en) * 2017-09-11 2018-01-30 齐齐哈尔四达铁路设备有限责任公司 Brake valve grinder of railway vehicle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103481182A (en) * 2013-09-05 2014-01-01 中国西电电气股份有限公司 Hydraulic-spring mechanism reversing-valve valve spool and valve bush running-in device
CN103481182B (en) * 2013-09-05 2015-10-28 中国西电电气股份有限公司 A kind of hydraulic spring mechanism change-over valve core valve pocket running-in machine
CN105522455A (en) * 2015-11-27 2016-04-27 芜湖银星汽车零部件有限公司 End surface grinding device for valve rods
CN105666032A (en) * 2016-03-03 2016-06-15 安庆市鼎立汽车配件有限公司 Device for valve collet groove grinding
CN105690210A (en) * 2016-03-03 2016-06-22 安庆市鼎立汽车配件有限公司 Grinding device of full-automatic valve lock clamping groove
CN105666032B (en) * 2016-03-03 2018-02-27 安庆市鼎立汽车配件有限公司 A kind of device for the grinding of valve collet groove
CN107030591A (en) * 2017-06-05 2017-08-11 厦门艾尔普斯汽车零配件有限责任公司 Head valve automatic grinding device and control method
CN107030591B (en) * 2017-06-05 2018-10-26 厦门艾尔普斯汽车零配件有限责任公司 Head valve automatic grinding device and control method
CN107639531A (en) * 2017-09-11 2018-01-30 齐齐哈尔四达铁路设备有限责任公司 Brake valve grinder of railway vehicle

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