CN111408969A - Positioning fixture for connecting rod machining center - Google Patents

Positioning fixture for connecting rod machining center Download PDF

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Publication number
CN111408969A
CN111408969A CN202010245026.8A CN202010245026A CN111408969A CN 111408969 A CN111408969 A CN 111408969A CN 202010245026 A CN202010245026 A CN 202010245026A CN 111408969 A CN111408969 A CN 111408969A
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CN
China
Prior art keywords
connecting rod
big end
small
machining center
seat
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.)
Pending
Application number
CN202010245026.8A
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Chinese (zh)
Inventor
谷毅
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.)
Chongqing Wansi Metal Special Forming Co ltd
Original Assignee
Chongqing Wansi Metal Special Forming 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 Chongqing Wansi Metal Special Forming Co ltd filed Critical Chongqing Wansi Metal Special Forming Co ltd
Priority to CN202010245026.8A priority Critical patent/CN111408969A/en
Publication of CN111408969A publication Critical patent/CN111408969A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/061Work-clamping means adapted for holding a plurality of workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention belongs to the technical field of metal processing workpiece clamping devices, and particularly discloses a positioning clamp for a connecting rod processing center. The connecting rod big end fixing mechanism and the connecting rod small end fixing mechanism are fixed by rotating and pressing the connecting rod; the connecting rod body fastening mechanism and the connecting rod big end fastening mechanism are fastened by pressing and extruding the connecting rod. The invention aims to provide a positioning clamp for a connecting rod machining center, and aims to solve the problem that a connecting rod clamp cannot clamp accurately.

Description

Positioning fixture for connecting rod machining center
Technical Field
The invention belongs to the technical field of metal processing workpiece clamping devices, and particularly discloses a positioning clamp for a connecting rod processing center.
Background
The connecting rod consists of a connecting rod body, a connecting rod big end cover, a connecting rod small end bushing, a connecting rod big end bearing bush, a connecting rod bolt (or screw) and the like. The connecting rod bears the action of gas force transmitted by piston pin and its self-swinging and reciprocating inertial forces of piston group, and the magnitude and direction of these forces are periodically changed. The connecting rod is subjected to alternating loads such as compression, tension and the like.
The connecting rod is one of the main parts of the engine, and the machining precision requirement of the connecting rod is high. The machining process of the connecting rod generally comprises casting, cleaning, heat treatment, rough machining, bulging, finish machining, small head inclined plane milling and the like, wherein a clamp in the rough machining process is particularly important for achieving high machining precision.
The existing rough machining clamp for the connecting rod mostly adopts a clamping mode from two sides of the big end and the small end of the connecting rod, the clamping mode is difficult to achieve the required clamping effect of the connecting rod, and particularly the clamping effect of the connecting rod is poor. Because the connecting rod is the dysmorphism piece, the appearance is irregular, and in the course of working, different processes need many times the repeated location to step up, consequently requires anchor clamps accurate to the connecting rod repeated location, just can ensure the uniformity and the precision of processing position.
Disclosure of Invention
The invention aims to provide a positioning clamp for a connecting rod machining center, and aims to solve the problem that a connecting rod clamp cannot clamp accurately.
In order to achieve the purpose, the basic scheme of the invention is as follows: the positioning clamp for the connecting rod machining center comprises a clamp mother board, wherein a plurality of clamping devices are fixedly connected to the mother board, and each clamping device comprises a connecting rod big end fixing mechanism, a connecting rod small end bearing mechanism, a connecting rod body fastening mechanism and a connecting rod big end fastening mechanism;
the connecting rod big end fixing mechanism and the connecting rod small end fixing mechanism are fixed by rotating and pressing the connecting rod; the connecting rod body fastening mechanism and the connecting rod big end fastening mechanism are fastened by pressing and extruding the connecting rod.
The working principle and the beneficial effects of the basic scheme are as follows: 1. the technical scheme utilizes the connecting rod small end bearing mechanism to realize the effect of bearing the connecting rod support.
2. On the basis of bearing the connecting rod, the technical scheme also utilizes the connecting rod body fastening mechanism and the connecting rod big end fastening mechanism to realize the compaction and fixation of the connecting rod in different directions, thereby effectively avoiding the movable deviation of the connecting rod in any direction. Compare the centre gripping among the prior art fixed, this technical scheme adopts the mode that contradicts to compress tightly under the prerequisite that can guarantee to stabilize the fixed action, guarantees the contact connecting rod of minimum area, reduces the risk that causes the damage to the connecting rod.
3. This technical scheme adopts the mode of point to compress tightly, compares with the mode that the face compressed tightly, has reduced the interference of the material such as aluminium bits, impurity that produce in the course of working. And the pressing force is guaranteed to be effectively pressed at the reasonable position of the workpiece, and the influence on the machining precision caused by the displacement generated under the condition of uneven stress caused by external force in the machining process is avoided.
4. According to the technical scheme, the connecting rod is pressed, fixed and clamped by the connecting rod large-head fixing mechanism and the connecting rod small-head fixing mechanism. Meanwhile, the large end and the small end of the connecting rod are clamped, so that the problem that the connecting rod deviates from the front and the back can be avoided, and the problem that the connecting rod deviates from the top and the bottom can be avoided.
5. The clamp is designed to be multi-station, a plurality of same products can be processed at one time, and the production efficiency is improved.
Further, the connecting rod big end fixing mechanism comprises a connecting rod big end fixing seat, and the connecting rod big end fixing seat is hinged with a connecting rod big end pressing block.
Has the advantages that: this technical scheme utilizes the briquetting to realize the fixed of connecting rod stub end, and articulated mode has the technical advantage that can freely control fixed closure or rotatory opening.
Further, the connecting rod big end pressing block is of a U-shaped structure at the free end, one end of the connecting rod big end pressing block U-shaped structure is longer than the other end,
has the advantages that: according to the technical scheme, the pressing block with the U-shaped structure is adopted, so that the technical effect of simultaneously extruding the outer walls of the left side and the right side of the large end of the connecting rod is achieved. Meanwhile, the characteristics that one end of the U-shaped structure is long and the other end of the U-shaped structure is short are utilized, so that the heights of the left side and the right side of the U-shaped pressing block, which are abutted against the big end of the connecting rod, are the same. The structure can reasonably avoid the path of a processing cutter according to the characteristics of a product, avoid cutter collision during processing and ensure the processing requirements of the product.
Further, the connecting rod small end fixing mechanism comprises a connecting rod small end bearing seat, and a connecting rod small end pressing block is hinged to the connecting rod small end fixing seat.
Has the advantages that: this technical scheme utilizes the briquetting to realize the fixed of connecting rod stub end, and the briquetting has the intensity of compression big, presses to hold stable difficult not hard up advantage.
Furthermore, the connecting rod small-end pressing block is a strip-shaped block.
Has the advantages that: this technical scheme adopts the effect that the bar piece compressed tightly in order to realize connecting rod microcephaly position, and the bar piece has the pressure and holds the scope big, presses and holds stable technical advantage.
Furthermore, the connecting rod body fastening mechanism comprises a connecting rod body fastening seat, a telescopic cylinder is fixed on the connecting rod body fastening seat, and the free end of the telescopic cylinder faces the connecting rod.
Has the advantages that: the technical scheme adopts the telescopic mode of the telescopic cylinder to realize the technical effect of extruding and clamping the connecting rod.
Furthermore, the connecting rod small-end bearing mechanism comprises a connecting rod small-end bearing seat, and a bearing block for bearing the connecting rod small-end is fixedly connected to the connecting rod small-end bearing seat.
Has the advantages that: this technical scheme adopts the carrier block in order to realize supporting the effect of bearing to the connecting rod, makes the connecting rod stably keep on the carrier block all the time.
Furthermore, two stop blocks which are perpendicular to each other are fixed at the end part of the bearing block.
Has the advantages that: this technical scheme utilizes two mutually perpendicular's dog to play the ascending bearing of two directions to the connecting rod, makes the connecting rod can stabilize vertical the placing on anchor clamps.
Further, the connecting rod big end fastening mechanism comprises two connecting rod big end fastening seats, the connecting rod big end fastening seats are respectively fixed with a thimble, and the two thimbles are coaxial and the respective tips of the thimbles are arranged in opposite directions.
Has the advantages that: the technical scheme has the technical effect that the large end part of the connecting rod is horizontally clamped by the two ejector pins.
Further, the head of the thimble is a circular arc curved surface.
Has the advantages that: this technical scheme is through the tip that adopts the circular arc curved surface to when guaranteeing that the thimble plays the fixed action to the connecting rod, avoid the pressure point because of too concentrating and cause the problem of connecting rod surface damage. And when the workpiece is clamped, the workpiece is not placed at the reasonable position of the clamp, so that the processing error caused by the position of the workpiece in the processing process is avoided.
Drawings
FIG. 1 is a schematic structural view of a positioning fixture for a connecting rod machining center according to an embodiment of the present invention;
fig. 2 is a front view of a positioning jig for a connecting rod machining center according to an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the clamp comprises a clamp mother board 1, a connecting rod big end fixing mechanism 2, a connecting rod big end fixing seat 201, a connecting rod big end pressing block 202, a connecting rod small end fixing mechanism 3, a connecting rod small end fixing seat 301, a connecting rod small end pressing block 302, a connecting rod small end bearing mechanism 4, a connecting rod small end bearing seat 401, a bearing block 402, a stop block 403, a connecting rod body fastening mechanism 5, a connecting rod body fastening seat 501, a telescopic cylinder 502, a connecting rod big end fastening mechanism 6, a connecting rod big end fastening seat 601, a fixed thimble 602, a movable thimble 603, a connecting rod 7, a first telescopic cylinder 8 and a second telescopic cylinder 9.
The embodiment is basically as shown in the attached figures 1 and 2: connecting rod is positioning fixture for machining center, including anchor clamps mother board 1, the anchor clamps mother board 1 is gone up and is followed the horizontal direction in proper order equidistant four connecting rod 7 clamping device that are equipped with. Each connecting rod 7 clamping device comprises five mechanisms, namely a connecting rod big end fixing mechanism 2, a connecting rod small end fixing mechanism 3, a connecting rod small end bearing mechanism 4, a connecting rod body fastening mechanism 5 and a connecting rod big end fastening mechanism 6.
The connecting rod big end fixing mechanism 2 comprises a connecting rod big end fixing seat 201, and the connecting rod big end fixing seat 201 is fixed on the clamp mother board 1 in a threaded mode. The end face of the big end fixing seat is hinged with a connecting rod big end pressing block 202, the free end of the connecting rod big end pressing block 202 is of a U-shaped structure, and the left end of the U-shaped structure of the connecting rod big end pressing block 202 is longer than the right end of the U-shaped structure. The connecting rod big end fixing mechanism 2 and the vertical direction form an included angle of inclining 15 degrees to the left. The clamp mother board 1 is also fixed with a first telescopic cylinder 8, and the free end of the first telescopic cylinder 8 is fixedly connected with the tail part of the connecting rod big end pressing block 202.
The small-end connecting rod fixing mechanism 3 comprises a small-end connecting rod fixing seat 301, the small-end connecting rod fixing seat 301 is fixed on the clamp mother board 1 in a threaded mode, and the small-end connecting rod fixing seat 301 is located on the left lower side of the connecting rod 7 fixing seat. A connecting rod small-end pressing block 302 is hinged on the connecting rod small-end fixing seat 301, and the connecting rod small-end pressing block 302 is of a strip-shaped structure. A second telescopic cylinder 9 is further fixed on the clamp mother board 1, and the free end of the second telescopic cylinder 9 is fixedly connected to the tail of the connecting rod small-end pressing block 302.
The small-end connecting rod bearing mechanism 4 comprises a small-end connecting rod bearing seat 401, the small-end connecting rod bearing seat 401 is fixed on the clamp mother board 1 in a threaded mode, and the small-end connecting rod bearing seat 401 is located right above the small-end connecting rod fixing seat 301. The connecting rod small-end bearing seat 401 is fixedly connected with a bearing block 402 through threads, the tops of the bearing blocks 402 are respectively fixed with two stoppers 403 with cuboid structures, the stopper 403 close to the left side inclines by 60 degrees, the stopper 403 close to the right side inclines by 150 degrees, and the included angle between the two stoppers 403 is 90 degrees.
The connecting rod body fastening mechanism 5 comprises a connecting rod body fastening seat 501, the connecting rod body fastening seat 501 is fixed on the clamp mother board 1 in a threaded manner, and the connecting rod body fastening seat 501 is fixed at the upper left of the connecting rod small-end bearing seat 401. A telescopic cylinder 502 is fixed on the connecting rod body fastening seat 501 through threads, and the telescopic direction of the telescopic cylinder 502 is parallel to the inclined direction close to the left stop 403.
The connecting rod big end fastening mechanism 6 comprises two connecting rod big end fastening seats 601, and the connecting rod big end fastening seats 601 are fixed on the clamp motherboard 1 through threads. A fixed thimble 602 is fixedly connected to the connecting rod big end fastening seat 601 near the left side, a movable thimble 603 is connected to the connecting rod big end fastening seat 601 near the right side in a threaded manner, and a regular hexagon blind hole is formed in the right end of the movable thimble 603. The fixed thimble 602 and the movable thimble 603 are at the same level and are coaxial, and the head of the fixed thimble 602 and the head of the movable thimble 603 are both arc curved surfaces.
The specific implementation process is as follows: as shown in fig. 1 and 2, the first and third links 7 holding means are in a state of clamping the links 7 from the left side, and the second and fourth links 7 holding means are in an opened state.
When the connecting rod 7 needs to be clamped and fixed, the connecting rod 7 is firstly placed on the connecting rod small end bearing seat 401, the side wall on the right side of the connecting rod 7 small end is abutted against the side wall of the stop block 403 on the right side, and the bottom of the connecting rod 7 small end is abutted against the top surface of the stop block 403 on the left side. Meanwhile, the fixed thimble 602 on the left side abuts against the left side wall of the large end of the connecting rod 7, the movable thimble 603 is spirally rotated until the movable thimble 603 abuts against the right side wall of the large end of the connecting rod 7, and the large end of the connecting rod 7 is clamped in the horizontal direction under the action of the movable thimble 603 and the fixed thimble 602.
Then starting the telescopic cylinder 502, the free end of the telescopic cylinder 502 extends outwards and is pressed against the left side wall of the connecting rod 7, the stopper 403 also supports the connecting rod 7 while the telescopic cylinder 502 is pressed against, and the small end of the connecting rod 7 and the body of the connecting rod 7 are clamped in the horizontal direction under the action of the telescopic cylinder 502 and the stopper 403.
And finally, the first telescopic cylinder 8 and the second telescopic cylinder 9 are sequentially started to extend outwards, and the connecting rod large-head pressing block 202 rotates relative to the clamp mother plate 1 under the driving action of the first telescopic cylinder 8 until the end face of the connecting rod large-head pressing block 202 abuts against the outer wall of the large-head part of the connecting rod 7. The U-shaped two ends of the connecting rod big end press block 202 respectively prop against the left end and the right end of the big end of the connecting rod 7.
The connecting rod small-end pressing block 302 rotates relative to the clamp mother board 1 under the driving of the second telescopic cylinder 9 until the end face of the connecting rod small-end pressing block 302 abuts against the small end of the connecting rod 7 and the outer wall of the connecting rod 7 body, so that further clamping and fixing are realized.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims (10)

1. Positioning fixture for connecting rod machining center, its characterized in that: the clamp comprises a clamp mother board, wherein a plurality of clamping devices are fixedly connected to the mother board, and each clamping device comprises a connecting rod big end fixing mechanism, a connecting rod small end bearing mechanism, a connecting rod body fastening mechanism and a connecting rod big end fastening mechanism;
the connecting rod big end fixing mechanism and the connecting rod small end fixing mechanism are fixed by rotating and pressing the connecting rod; the connecting rod body fastening mechanism and the connecting rod big end fastening mechanism are fastened by pressing and extruding the connecting rod.
2. The positioning jig for a connecting rod machining center according to claim 1, characterized in that: the connecting rod big end fixing mechanism comprises a connecting rod big end fixing seat, and the connecting rod big end fixing seat is hinged with a connecting rod big end pressing block.
3. The positioning jig for a connecting rod machining center according to claim 2, characterized in that: the connecting rod big end pressing block is of a U-shaped structure at the free end, and one end of the connecting rod big end pressing block is longer than the other end of the U-shaped structure.
4. The positioning jig for a connecting rod machining center according to claim 1, characterized in that: the connecting rod small end fixing mechanism comprises a connecting rod small end bearing seat, and a connecting rod small end pressing block is hinged to the connecting rod small end fixing seat.
5. The positioning jig for a connecting rod machining center according to claim 4, characterized in that: the connecting rod small-end pressing block is a strip-shaped block.
6. The positioning jig for a connecting rod machining center according to claim 1, characterized in that: the connecting rod body fastening mechanism comprises a connecting rod body fastening seat, a telescopic cylinder is fixed on the connecting rod body fastening seat, and the free end of the telescopic cylinder faces the connecting rod.
7. The positioning jig for a connecting rod machining center according to claim 1, characterized in that: the connecting rod small-end bearing mechanism comprises a connecting rod small-end bearing seat, and a bearing block used for bearing the connecting rod small-end is fixedly connected to the connecting rod small-end bearing seat.
8. The positioning jig for a connecting rod machining center according to claim 7, characterized in that: two stop blocks which are vertical to each other are fixed at the end part of the bearing block.
9. The positioning jig for a connecting rod machining center according to claim 1, characterized in that: the connecting rod big end fastening mechanism comprises two connecting rod big end fastening seats, the connecting rod big end fastening seats are respectively fixed with a thimble, and the two thimbles are coaxial and the respective tips of the thimbles are arranged in opposite directions.
10. The positioning jig for a connecting rod machining center according to claim 9, characterized in that: the head of the thimble is an arc curved surface.
CN202010245026.8A 2020-03-31 2020-03-31 Positioning fixture for connecting rod machining center Pending CN111408969A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010245026.8A CN111408969A (en) 2020-03-31 2020-03-31 Positioning fixture for connecting rod machining center

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010245026.8A CN111408969A (en) 2020-03-31 2020-03-31 Positioning fixture for connecting rod machining center

Publications (1)

Publication Number Publication Date
CN111408969A true CN111408969A (en) 2020-07-14

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Application Number Title Priority Date Filing Date
CN202010245026.8A Pending CN111408969A (en) 2020-03-31 2020-03-31 Positioning fixture for connecting rod machining center

Country Status (1)

Country Link
CN (1) CN111408969A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245797A (en) * 2021-06-10 2021-08-13 江苏威马悦达智能装备有限公司 Clamping and avoiding mechanism for expansion fracture of connecting rod

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204075826U (en) * 2014-10-20 2015-01-07 盛瑞传动股份有限公司 A kind of connecting rod hydraulic clamping tooling
KR101602117B1 (en) * 2015-11-30 2016-03-09 주식회사 대송 A connecting rod processing jig
CN205218617U (en) * 2015-12-18 2016-05-11 福建省飞驰机械工业有限公司 Small -end of connecting rod boring machine frock clamp
CN205996608U (en) * 2016-07-25 2017-03-08 重庆康明斯发动机有限公司 A kind of lathe and its connecting rod big aperture positioning boring fixture
CN208584259U (en) * 2018-08-15 2019-03-08 中山市泰世达机械自动化有限公司 A connecting rod hydraulic vertical plate clamp
CN208584255U (en) * 2018-08-13 2019-03-08 中山市泰世达机械自动化有限公司 A hydraulic fixture for CNC machining of connecting rod
CN208840894U (en) * 2018-09-29 2019-05-10 福州钜立机动车配件有限公司 A kind of processing connection rod of automobile engine size hole tool
CN209394319U (en) * 2018-10-12 2019-09-17 昆山正大新成精密锻造有限公司 A kind of clamp for machining of automobile connecting bar

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204075826U (en) * 2014-10-20 2015-01-07 盛瑞传动股份有限公司 A kind of connecting rod hydraulic clamping tooling
KR101602117B1 (en) * 2015-11-30 2016-03-09 주식회사 대송 A connecting rod processing jig
CN205218617U (en) * 2015-12-18 2016-05-11 福建省飞驰机械工业有限公司 Small -end of connecting rod boring machine frock clamp
CN205996608U (en) * 2016-07-25 2017-03-08 重庆康明斯发动机有限公司 A kind of lathe and its connecting rod big aperture positioning boring fixture
CN208584255U (en) * 2018-08-13 2019-03-08 中山市泰世达机械自动化有限公司 A hydraulic fixture for CNC machining of connecting rod
CN208584259U (en) * 2018-08-15 2019-03-08 中山市泰世达机械自动化有限公司 A connecting rod hydraulic vertical plate clamp
CN208840894U (en) * 2018-09-29 2019-05-10 福州钜立机动车配件有限公司 A kind of processing connection rod of automobile engine size hole tool
CN209394319U (en) * 2018-10-12 2019-09-17 昆山正大新成精密锻造有限公司 A kind of clamp for machining of automobile connecting bar

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113245797A (en) * 2021-06-10 2021-08-13 江苏威马悦达智能装备有限公司 Clamping and avoiding mechanism for expansion fracture of connecting rod
CN113245797B (en) * 2021-06-10 2022-03-22 江苏威马悦达智能装备有限公司 Clamping and avoiding mechanism for expansion fracture of connecting rod

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Application publication date: 20200714

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