CN107490331A - A kind of manufacture method of cylinder blank detection means - Google Patents

A kind of manufacture method of cylinder blank detection means Download PDF

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Publication number
CN107490331A
CN107490331A CN201710851909.1A CN201710851909A CN107490331A CN 107490331 A CN107490331 A CN 107490331A CN 201710851909 A CN201710851909 A CN 201710851909A CN 107490331 A CN107490331 A CN 107490331A
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CN
China
Prior art keywords
cylinder
pressure pin
base
detection means
bracket
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Granted
Application number
CN201710851909.1A
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Chinese (zh)
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CN107490331B (en
Inventor
刘宏庆
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CHONGQING QIN'AN CASTING Co Ltd
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CHONGQING QIN'AN CASTING Co Ltd
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Priority to CN201710851909.1A priority Critical patent/CN107490331B/en
Publication of CN107490331A publication Critical patent/CN107490331A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/003Measuring of motor parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The invention discloses a kind of manufacture method of cylinder blank detection means, comprise the following steps:Ten measured holes are offered on a mounting board, and are provided with measurement column in each measured hole;First cylinder locating dowel, the second cylinder locating dowel, the 3rd cylinder locating dowel and the 4th cylinder locating dowel are installed in the bottom of installing plate, cylinder mounting groove is offered on base;Be arranged in parallel base, installing plate and top plate successively from bottom to up, and is connected base, installing plate with top plate by guide rod;Wherein installing plate is slidably arranged on the guide bar;The bracket of test cylinder body to be placed is installed on base;Top gas cylinder is installed in cylinder mounting groove;And upper top gas cylinder is connected with bracket base.The cylinder blank detection means manufactured by the present invention, can be effectively to the device of cylinder blank top surface hole site detection, so as to effectively avoid underproof product from coming into the market.It is relatively low with manufacturing cost, it is easy to use and the beneficial effect such as be hardly damaged.

Description

A kind of manufacture method of cylinder blank detection means
Technical field
The present invention relates to a kind of manufacture method of cylinder blank detection means.
Background technology
With the development of the society, automobile is more and more used, engine cylinder-body is as essential on automobile One of parts, each cylinder and crankcase are connected by it, are installation piston, bent axle and other parts and the branch of annex Support bone frame, but prior art also without it is a can to cylinder blank top surface hole site detect device, so as to cause some not Qualified product comes into the market.
Therefore those skilled in the art are directed to developing a kind of manufacture method of cylinder blank detection means, can be effective Cylinder body cylinder blank top surface hole site is detected, avoids underproof product from coming into the market.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of cylinder blank inspection The manufacture method of device is surveyed, effectively cylinder body cylinder blank top surface hole site can be detected, avoid underproof product Come into the market.
To achieve the above object, the invention provides a kind of cylinder blank detection means manufacture method, comprise the following steps:
Step 1) offers ten measured holes on a mounting board, and is provided with measurement column in each measured hole;
Step 2) is provided with the first cylinder locating dowel, the second cylinder locating dowel, the positioning of the 3rd cylinder in the bottom of installing plate Post and the 4th cylinder locating dowel,
Step 3) offers cylinder mounting groove on base;Be arranged in parallel base, installing plate and top plate successively from bottom to up, And base, installing plate are connected with top plate by guide rod;Wherein installing plate is slidably arranged on the guide bar;
Step 4) installs the bracket of test cylinder body to be placed on base;
Step 5) is provided with top gas cylinder in cylinder mounting groove;And upper top gas cylinder is connected with bracket base;
Step 6) is provided with first be used in combination with three anchor points of cylinder blank bottom surface to be detected on base Adjusting pad, the second adjusting pad and the 3rd adjusting pad;
Step 7) installs the first cylinder and the second cylinder on base, and by the first cylinder and the second cylinder and installing plate Bottom connects.
Further, in step 3), guiding mounting groove is opened up on base, and installation can be to bracket in guiding mounting groove Be oriented to and four spacing guiders.
Further, guider includes bearing, and bearing, which is arranged on, to be oriented in mounting groove, and bearing is set on guide pillar, and edge is led The center line of post offers guideing pillar mounting hole, and the first screw is provided with guideing pillar mounting hole, and the afterbody of the first screw upwardly extends It is connected after going out guideing pillar mounting hole with the bottom of bracket;Four guider structures are identical;Four base angles of bracket are respectively with respectively leading Connected to device.
Further, bracket includes the first pressure pin and the second pressure pin that are parallel to each other, each guider respectively with the first pressure pin Connected with the bottom at the second pressure pin both ends;
The 3rd pressure pin and the 4th pressure pin are provided between first pressure pin and the second pressure pin, between the 3rd pressure pin and the 4th pressure pin The 5th pressure pin is provided with, the both ends of the 3rd pressure pin, the 4th pressure pin and the 5th pressure pin are connected with the first pressure pin and the second pressure pin respectively;
For first adjusting pad between the first pressure pin and the second cylinder, the second adjusting pad is located at the second pressure pin and the first cylinder Between, the 3rd adjusting pad is between the 3rd pressure pin and the 5th pressure pin.
Further, the first cylinder and the second cylinder are located at the both ends of bracket, and respectively positioned at two adjacent guide rods it Between.
Further, it is oriented in mounting groove and is provided with boss, the top of bearing passes through the second mode connects for screw.
Further, the first cylinder and the second cylinder are nonstandard cylinder.
Further, the hand rotary valve for controlling the first cylinder and the second cylinder is provided with base.
The beneficial effects of the invention are as follows:The cylinder blank detection means manufactured by the present invention, can be effectively right The device of cylinder blank top surface hole site detection, so as to effectively avoid underproof product from coming into the market.With manufacturing cost compared with It is low, it is easy to use and the beneficial effect such as be hardly damaged.
Brief description of the drawings
Fig. 1 is the concrete structure schematic diagram of the present invention;
Fig. 2 is the overlooking the structure diagram in Fig. 1;
Fig. 3 is Fig. 1 left view structural representation;
Fig. 4 be in Fig. 1 A-A to structural representation;
Fig. 5 is B-B direction structural representation in Fig. 4;
Fig. 6 is the dimensional structure diagram of the present invention;
Fig. 7 is the structural representation that cylinder blank to be tested is installed in Fig. 6.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples:
As shown in Figures 1 to 7, a kind of manufacture method of cylinder blank detection means, comprises the following steps:
Step 1) offers ten measured holes 19 on installing plate 12, and is provided with measurement column 20 in each measured hole 19;
Step 2) is provided with the first cylinder locating dowel 15, the second cylinder locating dowel 16, the 3rd gas in the bottom of installing plate 12 The cylinder locating dowel 18 of cylinder locating dowel 17 and the 4th,
Step 3) offers cylinder mounting groove 8 on base 1;Be arranged in parallel base 1, the and of installing plate 12 successively from bottom to up Top plate 21, and connected base 1, installing plate 12 and top plate 21 by guide rod 11;Wherein installing plate 12 is slidably set in On guide rod 11;
Step 4) installs the bracket 2 of test cylinder body 100 to be placed on base 1;
Step 5) is provided with top gas cylinder 9 in cylinder mounting groove 8;And upper top gas cylinder 9 is connected with the bottom of bracket 2;
Step 6) is provided with first be used in combination with three anchor points of cylinder blank bottom surface to be detected on base 1 Adjusting pad 10, the second adjusting pad 30 and the 3rd adjusting pad 31;
Step 7) installs the first cylinder 13 and the second cylinder 14 on base 1, and by the first cylinder 13 and the second cylinder 14 It is connected with the bottom of installing plate 12.
In the present embodiment, opened up on base 1 and be oriented to mounting groove 3, and can be to bracket 2 being oriented to the interior installation of mounting groove 3 Be oriented to and four spacing guiders 4.:Guider 4 includes bearing 5, and bearing 5, which is arranged on, to be oriented in mounting groove 3, Bearing 5 is set on guide pillar 6, offers guideing pillar mounting hole 6a along the center line of guide pillar 6, first is provided with guideing pillar mounting hole 6a Screw 7, the afterbody of the first screw 7 are connected after extending upward guideing pillar mounting hole 6a with the bottom of bracket 2;Four guiders 4 Structure is identical;Four base angles of bracket 2 are connected with each guider 4 respectively.
In the present embodiment, bracket 2 includes the first pressure pin 35 and the second pressure pin 36 being parallel to each other, and each guider 4 is distinguished It is connected with the bottom of the first pressure pin 35 and the both ends of the second pressure pin 36;
The 3rd pressure pin 37 and the 4th pressure pin 38, the 3rd pressure pin 37 and are provided between first pressure pin 35 and the second pressure pin 36 It is provided with the 5th pressure pin 39 between four pressure pins 38, the both ends of the 3rd pressure pin 37, the 4th pressure pin 38 and the 5th pressure pin 39 are respectively with One pressure pin 35 and the second pressure pin 36 connect;
For first adjusting pad 10 between the first pressure pin 35 and the second cylinder 14, the second adjusting pad 30 is located at the second pressure pin 36 And first between cylinder 13, the 3rd adjusting pad 31 is between the 3rd pressure pin 37 and the 5th pressure pin 39.
First cylinder 13 and the second cylinder 14 are located at the both ends of bracket 2, and respectively positioned at two adjacent guide rods 11 it Between.It is oriented in mounting groove 3 and is provided with boss 3a, the top of bearing 5 is connected by the second screw 40.First cylinder 13 and second Cylinder 14 is nonstandard cylinder.The hand rotary valve 50 for controlling the first cylinder 13 and the second cylinder 14 is provided with base 1.
Start the first cylinder 13, bracket 2 moves up, and four guiders 4 play the work of a limition orientation to bracket 2 With, avoid the position of bracket 2 offset or come off, cylinder body 100 to be tested is placed on carrier 2, then by controlling the first cylinder 13, cylinder body 100 and bracket 2 to be tested is declined together, until three anchor points of the bottom of cylinder body 100 to be tested and first adjust Pad 10, the second adjusting pad 30 and the 3rd adjusting pad 31 stop after corresponding, by controlling the first cylinder 13 and the second cylinder 14 drive installing plates 12 move down, so that the first cylinder locating dowel 15, the second cylinder locating dowel 16, the 3rd gas on installing plate 12 The cylinder locating dowel 18 of cylinder locating dowel 17 and the 4th moves down, until the first cylinder locating dowel 15, the second cylinder locating dowel 16, Three cylinder locating dowels 17 and the 4th cylinder locating dowel 18 enter position in four steel holes of cylinder body 100 to be tested, by artificial Measurement column 20 is inserted in each measured hole 19, is that trial product to be measured is qualified as measurement column 20 can be inserted smoothly lower.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical scheme, all should be in the protection domain being defined in the patent claims.

Claims (8)

  1. A kind of 1. manufacture method of cylinder blank detection means, it is characterised in that:Comprise the following steps:
    Step 1) offers ten measured holes (19) on installing plate (12), and is provided with measurement in each measured hole (19) Post (20);
    Step 2) is provided with the first cylinder locating dowel (15), the second cylinder locating dowel (16), the 3rd in the bottom of installing plate (12) Cylinder locating dowel (17) and the 4th cylinder locating dowel (18),
    Step 3) offers cylinder mounting groove (8) on base (1);Be arranged in parallel base (1), installing plate successively from bottom to up (12) and top plate (21), and by guide rod (11) by base (1), installing plate (12) and top plate (21) connect;Wherein installing plate (12) slidably it is set on guide rod (11);
    Step 4) installs the bracket (2) of test cylinder body (100) to be placed on base (1);
    Step 5) is provided with upper top gas cylinder (9) in cylinder mounting groove (8);And by upper top gas cylinder (9) and the bracket (2) bottom Connection;
    Step 6) is provided be used in combination with three anchor points of cylinder blank bottom surface to be detected on the base (1) One adjusting pad (10), the second adjusting pad (30) and the 3rd adjusting pad (31);
    Step 7) installs the first cylinder (13) and the second cylinder (14) on base (1), and by the first cylinder (13) and the second gas Cylinder (14) is connected with the bottom of installing plate (12).
  2. 2. the manufacture method of cylinder blank detection means according to claim 1, it is characterised in that:In the step 3), Opened up on base (1) and be oriented to mounting groove (3), and bracket (2) can be oriented to and be limited being oriented to installation in mounting groove (3) Four guiders (4) of position.
  3. 3. the manufacture method of cylinder blank detection means according to claim 2, it is characterised in that:The guider (4) bearing (5) is included, the bearing (5) is arranged in the guiding mounting groove (3), and the bearing (5) is set in guide pillar (6) On, guideing pillar mounting hole (6a) is offered along the center line of the guide pillar (6), the first spiral shell is provided with the guideing pillar mounting hole (6a) Follow closely (7), the afterbody of first screw (7) extends upward bottom of the guideing pillar mounting hole (6a) afterwards with the bracket (2) Connection;Four guiders (4) structure is identical;Four base angles of bracket (2) are connected with each guider (4) respectively.
  4. 4. the manufacture method of cylinder blank detection means according to claim 1, it is characterised in that:Bracket (2) includes phase Mutually parallel the first pressure pin (35) and the second pressure pin (36), each guider (4) respectively with first pressure pin (35) and The bottom connection at the second pressure pin (36) both ends;
    The 3rd pressure pin (37) and the 4th pressure pin (38), institute are provided between first pressure pin (35) and second pressure pin (36) State and the 5th pressure pin (39) is provided between the 3rd pressure pin (37) and the 4th pressure pin (38), the 3rd pressure pin (37), the 4th The both ends of pressure pin (38) and the 5th pressure pin (39) are connected with first pressure pin (35) and second pressure pin (36) respectively;
    First adjusting pad (10) is between first pressure pin (35) and second cylinder (14), second adjustment (30) are padded positioned at second pressure pin (36) and first cylinder (13) between, the 3rd adjusting pad (31) is located at described the Between three pressure pins (37) and the 5th pressure pin (39).
  5. 5. the manufacture method of cylinder blank detection means according to claim 1, it is characterised in that:First cylinder (13) and second cylinder (14) is located at the both ends of the bracket (2), and respectively positioned at two adjacent guide rods (11) it Between.
  6. 6. the manufacture method of cylinder blank detection means according to claim 1, it is characterised in that:The guiding mounting groove (3) boss (3a) is provided with, the top of the bearing (5) is connected by the second screw (40).
  7. 7. the manufacture method of cylinder blank detection means according to claim 1, it is characterised in that:First cylinder (13) and second cylinder (14) is nonstandard cylinder.
  8. 8. the manufacture method of cylinder blank detection means according to claim 1, it is characterised in that:On the base (1) It is provided with the hand rotary valve (50) for controlling the first cylinder (13) and second cylinder (14).
CN201710851909.1A 2017-09-20 2017-09-20 A kind of manufacturing method of cylinder blank detection device Active CN107490331B (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710851909.1A CN107490331B (en) 2017-09-20 2017-09-20 A kind of manufacturing method of cylinder blank detection device

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CN107490331B CN107490331B (en) 2019-07-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109373851A (en) * 2018-12-28 2019-02-22 盛瑞传动股份有限公司 A kind of position detecting tool

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB509552A (en) * 1937-09-24 1939-07-18 British Thomson Houston Co Ltd Improvements in and relating to driving gearing for planing or other machine tools
GB845753A (en) * 1956-04-06 1960-08-24 Sigma Instr Co Ltd Improvements in or relating to machines for checking a plurality of dimensions of a workpiece
JPS5847208A (en) * 1981-09-16 1983-03-18 Anritsu Corp Device for measuring position of engine piston
JPS5990011A (en) * 1982-11-16 1984-05-24 Honda Motor Co Ltd Device for measuring valve hole of cylinder head
JPS6034030A (en) * 1983-08-05 1985-02-21 Toshiba Corp Ic autohandler and automatically handling of ic
CN2632627Y (en) * 2003-06-02 2004-08-11 连云港市九洲电控设备有限公司 Bearing saddle size detection device
CN2727689Y (en) * 2004-08-29 2005-09-21 重庆宗申技术开发研究有限公司 Integrated cylinder body detecting device
CN102192721A (en) * 2010-03-16 2011-09-21 机械科学研究总院先进制造技术研究中心 On -line detection equipment for automobile engine cylinder body
CN202182683U (en) * 2011-06-29 2012-04-04 广西玉柴机器股份有限公司 Assistive device for detecting position dimension of pinhole
JP5538003B2 (en) * 2010-03-11 2014-07-02 本田技研工業株式会社 Multi-axis machining equipment
CN104406744A (en) * 2014-12-13 2015-03-11 芜湖哈特机器人产业技术研究院有限公司 Detecting tooling for vacuum and high-pressure leakproofness of brake caliper
CN205317182U (en) * 2015-09-28 2016-06-15 北京泰诚信测控技术股份有限公司 Derailleur bearing shim is surveyed and is selected device
CN106066166A (en) * 2016-06-29 2016-11-02 宁夏共享机床辅机有限公司 A kind of equipment detecting cylinder cover bottom surface benchmark and combustor test point difference in height
CN106767615A (en) * 2016-12-15 2017-05-31 北京泰诚信测控技术股份有限公司 A kind of transmission bearing gasket detection device
CN206339161U (en) * 2016-11-30 2017-07-18 广西玉柴机器股份有限公司 A kind of cubing for detecting cylinder hd top face oil-hole location degree

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB509552A (en) * 1937-09-24 1939-07-18 British Thomson Houston Co Ltd Improvements in and relating to driving gearing for planing or other machine tools
GB845753A (en) * 1956-04-06 1960-08-24 Sigma Instr Co Ltd Improvements in or relating to machines for checking a plurality of dimensions of a workpiece
JPS5847208A (en) * 1981-09-16 1983-03-18 Anritsu Corp Device for measuring position of engine piston
JPS5990011A (en) * 1982-11-16 1984-05-24 Honda Motor Co Ltd Device for measuring valve hole of cylinder head
JPS6034030A (en) * 1983-08-05 1985-02-21 Toshiba Corp Ic autohandler and automatically handling of ic
CN2632627Y (en) * 2003-06-02 2004-08-11 连云港市九洲电控设备有限公司 Bearing saddle size detection device
CN2727689Y (en) * 2004-08-29 2005-09-21 重庆宗申技术开发研究有限公司 Integrated cylinder body detecting device
JP5538003B2 (en) * 2010-03-11 2014-07-02 本田技研工業株式会社 Multi-axis machining equipment
CN102192721A (en) * 2010-03-16 2011-09-21 机械科学研究总院先进制造技术研究中心 On -line detection equipment for automobile engine cylinder body
CN202182683U (en) * 2011-06-29 2012-04-04 广西玉柴机器股份有限公司 Assistive device for detecting position dimension of pinhole
CN104406744A (en) * 2014-12-13 2015-03-11 芜湖哈特机器人产业技术研究院有限公司 Detecting tooling for vacuum and high-pressure leakproofness of brake caliper
CN205317182U (en) * 2015-09-28 2016-06-15 北京泰诚信测控技术股份有限公司 Derailleur bearing shim is surveyed and is selected device
CN106066166A (en) * 2016-06-29 2016-11-02 宁夏共享机床辅机有限公司 A kind of equipment detecting cylinder cover bottom surface benchmark and combustor test point difference in height
CN206339161U (en) * 2016-11-30 2017-07-18 广西玉柴机器股份有限公司 A kind of cubing for detecting cylinder hd top face oil-hole location degree
CN106767615A (en) * 2016-12-15 2017-05-31 北京泰诚信测控技术股份有限公司 A kind of transmission bearing gasket detection device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
周述积等: "《汽车制造工艺学》", 31 December 2013, 北京理工大学出版社 *
焦小明等: "《机械加工技术》", 31 August 2007, 机械工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109373851A (en) * 2018-12-28 2019-02-22 盛瑞传动股份有限公司 A kind of position detecting tool

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