CN203357088U - Automobile connecting rod small end hole drilling and boring fixture - Google Patents

Automobile connecting rod small end hole drilling and boring fixture Download PDF

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Publication number
CN203357088U
CN203357088U CN 201320301232 CN201320301232U CN203357088U CN 203357088 U CN203357088 U CN 203357088U CN 201320301232 CN201320301232 CN 201320301232 CN 201320301232 U CN201320301232 U CN 201320301232U CN 203357088 U CN203357088 U CN 203357088U
Authority
CN
China
Prior art keywords
base plate
compressor arm
automobile connecting
blocks
boring fixture
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN 201320301232
Other languages
Chinese (zh)
Inventor
王利东
汤志明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU YUANDONG CONNECTING RODS Co Ltd
Original Assignee
CHANGZHOU YUANDONG CONNECTING RODS Co Ltd
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 CHANGZHOU YUANDONG CONNECTING RODS Co Ltd filed Critical CHANGZHOU YUANDONG CONNECTING RODS Co Ltd
Priority to CN 201320301232 priority Critical patent/CN203357088U/en
Application granted granted Critical
Publication of CN203357088U publication Critical patent/CN203357088U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a fixture, in particular to an automobile connecting rod small end hole drilling and boring fixture. The automobile connecting rod small end hole drilling and boring fixture comprises pressing rods, first fixing sleeves, left clamping blocks, right clamping blocks left V-shaped blocks and right V-shaped blocks, wherein the pressing rods, the first fixing sleeves, the left clamping blocks, the right clamping blocks, the left V-shaped blocks and the right V-shaped blocks are arranged on a base plate, the left clamping blocks are matched with the left V-shaped blocks respectively, and the right clamping blocks are matched with the right V-shaped blocks respectively. An end portion of each pressing rod is in a wedge shape, the upper portions of the pressing rods are sleeved with the first fixing sleeves respectively, the first fixing sleeves are fixed to the base plate, each left clamping block and the corresponding right clamping block are symmetrically arranged on the two sides of one of the pressing rods respectively, the left clamping blocks and the right clamping blocks are arranged on the base plate in a rotatable mode through pressing pins arranged in left installation holes respectively and pins arranged in right installation holes respectively, left idler wheels are arranged in left idler wheel cavities respectively, right idler wheels are arranged in right idler wheel cavities respectively, a tension spring is further arranged between each left idler wheel shaft and one of right idler wheel shafts, the left idler wheel shafts are matched with the left idler wheels respectively, the right idler wheel shafts are matched with the right idler wheels respectively, left protruding blocks are fixed to the outer sides of the lower portions of the left clamping blocks respectively, right protruding blocks are fixed to the outer sides of the lower portions of the right clamping blocks respectively, and a telescopic driving mechanism is further connected to the root portion of each pressing rod. The automobile connecting rod small end hole drilling and boring fixture has the advantages that a small end hole can be simultaneously drilled and bored, the two procedures are integrated and simultaneously conducted, the machining efficiency and the production efficiency are improved, and labor and time are saved.

Description

Automobile connecting bar microcephaly hole drill boring fixture
Technical field
The utility model relates to a kind of fixture, relates in particular to a kind of automobile connecting bar microcephaly hole drill boring fixture.
Background technology
Connecting rod mostly is steel part, and it is circular or I-shaped that the cross section of its main part mostly is, and two ends are porose, and bronze bushing or needle bearing are housed in hole, for packing pivot pin into, form hinged.Connecting rod is the strength member in the engines such as automobile and boats and ships, and it is connecting piston and bent axle, and its effect is to change the reciprocating motion of piston into bent axle rotatablely move, and the power acted on piston is passed to bent axle with power output.Connecting rod at work, except the pressure that bears combustion chamber combustion gas generation, also will bear the inertia force of vertical and horizontal.Therefore, connecting rod is worked under the stress state of a complexity.It not only had been subject to tension and compression stress, but also the stress by bending of alternation.
The requirement on machining accuracy of connecting rod is higher, and manufacturing procedure is more, need on different lathes, to each position, be processed, and because connecting rod is irregular part, is difficult to clamping in process, and working (machining) efficiency is low.The particularly processing of tie rod holes, the centre-to-centre spacing in crank pin end pore and microcephaly hole is had relatively high expectations, and brill and boring are divided into two steps and complete, and use respectively special-purpose machine tooling, waste time and energy.
The utility model content
The technical problems to be solved in the utility model is: bore the inefficient technical problem of tie rod holes in order to solve boring in prior art, the utility model provides a kind of automobile connecting bar microcephaly hole drill boring fixture.
The utility model solves the technical scheme that its technical problem adopts: a kind of automobile connecting bar microcephaly hole drill boring fixture comprises the compressor arm be arranged on base plate, the first fixed cover, a left side, right clamp and respectively with a left side, the left side of right clamp pairing, right vee-block, the end of described compressor arm is wedge shape, and the first fixed cover is sleeved on the top of compressor arm and is fixed on base plate, a described left side, the below that right clamp is positioned at the first fixed cover is symmetrical arranged the both sides of compressor arm, a left side, the top of right clamp offers respectively a left side perpendicular with the base plate face, right installing hole, a left side, right clamp is by being arranged on a left side, rotating being arranged on base plate of compression pin in right installing hole, a described left side, the inboard of right clamp bottom offers a symmetrical left side, right roller chamber, a left side, right roller is provided with a left side in chamber, right roller, with a left side, the left side that right roller is supporting, also be provided with back-moving spring between right roller shaft, a described left side, right roller part respectively exposes a left side, right roller chamber clamps compressor arm end, a described left side, the lower outside of right clamp is fixed with respectively a left side, right projection, a described left side, the V-arrangement opening of right vee-block is respectively towards a left side, right projection, between described left vee-block and left projection, be provided with the microcephaly hole backing plate be arranged on base plate between right vee-block and right projection, the root of described compressor arm also is connected with telescopic drive mechanism.
In order to guarantee that the compressor arm operation vertically is not offset, the front end face of described compressor arm is square and is extended with forward the strip guide section of integrative-structure, on described base plate, also be fixed with when compressor arm during in impaction state for being sleeved on the second fixed cover of guide section outside.
In order to guarantee that spring has some tension when left and right clamp opens to both sides, the degree of depth of described the second fixed cover and guide section length L are complementary, and the former length of described back-moving spring and the thickness D of guide section are basically identical.
Further in order to guarantee that compressor arm moves, vertically do not rotate, the center of described the first fixed cover is provided with bearing pin, offers the keyway supporting with bearing pin on compressor arm.
For the ease of the big end hole of stationary links, described each backing plate below, microcephaly hole also is provided with the big end hole backing plate be fixed on base plate.The left side of described each big end hole backing plate also is fixed with location, side lever.
In order to play cushioning effect, between described left and right projection and corresponding left and right clamp, be respectively arranged with pad.
Stable in order to guarantee, described telescopic drive mechanism is cylinder, comprises that the cylinder body and the end that are arranged on plate outer side are arranged on the piston rod in cylinder body, and the other end of described piston rod is connected with the root of compressor arm.
The beneficial effects of the utility model are, automobile connecting bar microcephaly hole drill boring fixture of the present utility model, design original and differently, and the flexible of compressor arm that is wedge shape by end realizes that left and right clamp opens and gathering, running steadily, clamp firmly, can complete brill and the boring in microcephaly hole simultaneously, reduce manpower and lathe quantity, two operations are combined into an operation and carry out simultaneously, processing efficiency improves, without the product that frequently changes the outfit, time saving and energy saving.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the utility model automobile connecting bar microcephaly hole drill boring fixture.
Fig. 2 is the cutaway view of Fig. 1.
In figure: 1, base plate, 2, compressor arm, 2-1, strip guide section, 2-2, keyway, the 3, first fixed cover, 3-1, bearing pin, 4, left clamp, 4-1, left installing hole, 4-2, left wheel, 4-3, the wheel shaft that rolls left, 5-3, right roller shaft, 5, right clamp, 5-1, right installing hole, 5-2, right roller, the 6, second fixed cover, 7, left vee-block, 8, right vee-block, 9, back-moving spring, 10, left projection, 11, right projection, 12, microcephaly hole backing plate, 13, the big end hole backing plate, 14, location, side lever, 15-1, cylinder body, 15-2, piston rod.
The specific embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
As Fig. 1, shown in 2, be the optimum embodiment of the utility model, comprise compressor arm 2, the first fixed covers 3 that are arranged on base plate 1, a left side, right clamp 4,5 and respectively with a left side, the left side of right clamp 4,5 pairings, right vee-block 7,8, the end of compressor arm 2 is wedge shape, and the first fixed cover 3 is sleeved on the top of compressor arm 2 and is fixed on base plate 1 left side, the below that right clamp 4,5 is positioned at the first fixed cover 3 is symmetrical arranged the both sides of compressor arm 2, a left side, the top of right clamp 4,5 offers respectively a left side perpendicular with 1 of base plate, right installing hole 4-1,5-1, a left side, right clamp 4,5 is by being arranged on a left side, right installing hole 4-1, rotating being arranged on base plate 1 of compression pin in 5-1, a left side, the inboard of right clamp 4,5 bottoms offers a symmetrical left side, right roller chamber, a left side, right roller is provided with a left side in chamber, right roller 4-2,5-2, with a left side, right roller 4-2, the left side that 5-2 is supporting, right roller shaft 4-3, also be provided with back-moving spring 9, a left side between 5-3, right roller 4-2,5-2 part respectively exposes a left side, right roller chamber clamps compressor arm 2 ends, a left side, the lower outside of right clamp 4,5 is fixed with respectively a left side, right projection 10,11, a left side, the V-arrangement opening of right vee-block 7,8 is respectively towards a left side, right projection 10,11, between left vee-block 7 and left projection 10, be provided with the microcephaly hole backing plate 12 be arranged on base plate 1 between right vee-block 8 and right projection 11, the root of compressor arm 2 also is connected with telescopic drive mechanism.
The front end face of compressor arm 2 is square and is extended with forward the strip guide section 2-1 of integrative-structure, on base plate 1, also be fixed with when compressor arm 2 during in impaction state for being sleeved on the second fixed cover 6 of guide section 2-1 outside.The degree of depth of the second fixed cover 6 and guide section 2-1 length L are complementary, and the former length of back-moving spring 9 (being the entire length of spring unstretched state) is basically identical with the thickness D of guide section 2-1.The center of the first fixed cover 3 is provided with bearing pin 3-1, offers the keyway 2-2 supporting with bearing pin 3-1 on compressor arm 2.Each backing plate 12 below, microcephaly hole also is provided with the big end hole backing plate 13 be fixed on base plate 1.The left side of each big end hole backing plate 13 also is fixed with location, side lever 14.Between left projection 10 and left clamp 4, between the right projection 11 of right clamp 5, be respectively arranged with pad.Telescopic drive mechanism is that the Pneumatic extension driving mechanism is preferably cylinder, comprises that the cylinder body 15-1 and the end that are arranged on base plate 1 outside are arranged on the piston rod 15-2 in cylinder body 15-1, and the other end of piston rod 15-2 is connected with the root of compressor arm 2.
During fixture work, left and right roller 4-2,5-2 first is clipped in the both sides of strip guide section 2-1, and back-moving spring 9 is roughly in normal condition, the microcephaly hole of automobile connecting bar and big end hole are placed on respectively on microcephaly hole backing plate 12 and big end hole backing plate 13, piston rod 15-2 stretches out, thereby promotes compressor arm 2, and the tapered end of compressor arm 2 is clamp-oned left and right roller 4-2, between 5-2, make left and right clamp 4,5 open, the microcephaly hole of automobile connecting bar is clamped between vee-block and projection and carries out boring driller order.
Automobile connecting bar microcephaly hole drill boring fixture of the present utility model can arrange a plurality of fixtures on base plate 1, to the processing of a plurality of automobile connecting bar microcephalies hole, enhances productivity simultaneously.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, the relevant staff can, in the scope that does not depart from this utility model technological thought, carry out various change and modification fully.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to the claim scope.

Claims (8)

1. an automobile connecting bar microcephaly hole drill boring fixture, is characterized in that: comprise the compressor arm (2) be arranged on base plate (1), the first fixed cover (3), left and right clamp (4,5) and respectively with the left and right vee-block (7 of left and right clamp (4,5) pairing, 8)
The end of described compressor arm (2) is wedge shape, and the first fixed cover (3) is sleeved on the top of compressor arm (2) and is fixed on base plate (1) upper, a described left side, the below that right clamp (4,5) is positioned at the first fixed cover (3) is symmetrical arranged the both sides of compressor arm (2), a left side, the top of right clamp (4,5) offers respectively a left side perpendicular with base plate (1) face, right installing hole (4-1,5-1), a left side, right clamp (4,5) is by being arranged on a left side, compression pin in right installing hole (4-1,5-1) is rotating is arranged on base plate (1) above, a described left side, the inboard of right clamp (4,5) bottom offers a symmetrical left side, right roller chamber, a left side, right roller is provided with a left side in chamber, right roller (4-2,5-2), with a left side, the left side that right roller (4-2,5-2) is supporting, also be provided with back-moving spring (9) between right roller shaft (4-3,5-3), a described left side, right roller (4-2,5-2) part respectively exposes a left side, right roller chamber clamps compressor arm (2) end, a described left side, the lower outside of right clamp (4,5) is fixed with respectively a left side, right projection (10,11), a described left side, the V-arrangement opening of right vee-block (7,8) is respectively towards a left side, right projection (10,11), between described left vee-block (7) and left projection (10), be provided with the microcephaly hole backing plate (12) be arranged on base plate (1) between right vee-block (8) and right projection (11), the root of described compressor arm (2) also is connected with telescopic drive mechanism.
2. automobile connecting bar microcephaly hole drill boring fixture as claimed in claim 1, it is characterized in that: the front end face of described compressor arm (2) is square and is extended with forward the strip guide section (2-1) of integrative-structure, on described base plate (1), also be fixed with when compressor arm (2) during in impaction state for being sleeved on outside the second fixed cover (6) of guide section (2-1).
3. automobile connecting bar microcephaly hole drill boring fixture as claimed in claim 2, it is characterized in that: the degree of depth of described the second fixed cover (6) and guide section (2-1) length L are complementary, and the thickness D of the former length of described back-moving spring (9) and guide section (2-1) is basically identical.
4. automobile connecting bar microcephaly hole drill boring fixture as claimed in claim 1, it is characterized in that: the center of described the first fixed cover (3) is provided with bearing pin (3-1), offers the keyway (2-2) supporting with bearing pin (3-1) on compressor arm (2).
5. automobile connecting bar microcephaly hole drill boring fixture as claimed in claim 1, is characterized in that: below described each microcephaly hole backing plate (12), also be provided with the big end hole backing plate (13) be fixed on base plate (1).
6. automobile connecting bar microcephaly hole drill boring fixture as claimed in claim 5 is characterized in that: the left side of described each big end hole backing plate (13) also is fixed with location, side lever (14).
7. automobile connecting bar microcephaly hole drill boring fixture as claimed in claim 1 is characterized in that: between described left and right projection (10,11) and corresponding left and right clamp (4,5), be respectively arranged with pad.
8. automobile connecting bar microcephaly hole drill boring fixture as claimed in claim 1, it is characterized in that: described telescopic drive mechanism is cylinder, comprise that the cylinder body (15-1) and the end that are arranged on base plate (1) outside are arranged on the piston rod (15-2) in cylinder body (15-1), the other end of described piston rod (15-2) is connected with the root of compressor arm (2).
CN 201320301232 2013-05-28 2013-05-28 Automobile connecting rod small end hole drilling and boring fixture Expired - Fee Related CN203357088U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320301232 CN203357088U (en) 2013-05-28 2013-05-28 Automobile connecting rod small end hole drilling and boring fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320301232 CN203357088U (en) 2013-05-28 2013-05-28 Automobile connecting rod small end hole drilling and boring fixture

Publications (1)

Publication Number Publication Date
CN203357088U true CN203357088U (en) 2013-12-25

Family

ID=49804909

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320301232 Expired - Fee Related CN203357088U (en) 2013-05-28 2013-05-28 Automobile connecting rod small end hole drilling and boring fixture

Country Status (1)

Country Link
CN (1) CN203357088U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855958A (en) * 2016-05-30 2016-08-17 瑞立集团瑞安汽车零部件有限公司 Universal type pneumatic self-locking clamping fixture
CN106271771A (en) * 2016-08-30 2017-01-04 杭州九龙机械制造有限公司 A kind of hydraulically operated fixture
CN106625386A (en) * 2017-01-19 2017-05-10 中国船舶重工集团公司第七研究所 Mounting and dismounting tool and mounting method for connecting rod large end cover of marine diesel engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855958A (en) * 2016-05-30 2016-08-17 瑞立集团瑞安汽车零部件有限公司 Universal type pneumatic self-locking clamping fixture
CN105855958B (en) * 2016-05-30 2018-10-12 瑞立集团瑞安汽车零部件有限公司 Universal pneumatic self-locking clamping device
CN106271771A (en) * 2016-08-30 2017-01-04 杭州九龙机械制造有限公司 A kind of hydraulically operated fixture
CN106625386A (en) * 2017-01-19 2017-05-10 中国船舶重工集团公司第七研究所 Mounting and dismounting tool and mounting method for connecting rod large end cover of marine diesel engine

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131225

Termination date: 20210528