CN209867976U - Special fixture for machining connecting rod workpiece - Google Patents

Special fixture for machining connecting rod workpiece Download PDF

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Publication number
CN209867976U
CN209867976U CN201920669625.5U CN201920669625U CN209867976U CN 209867976 U CN209867976 U CN 209867976U CN 201920669625 U CN201920669625 U CN 201920669625U CN 209867976 U CN209867976 U CN 209867976U
Authority
CN
China
Prior art keywords
plate
connecting rod
eccentric wheel
vertical
supporting 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.)
Expired - Fee Related
Application number
CN201920669625.5U
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Chinese (zh)
Inventor
周航
呼延永江
陈超
郭世伟
苏梓良
秦磊
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.)
Henan Mechanical and Electrical Vocational College
Original Assignee
Henan Mechanical and Electrical Vocational College
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 Henan Mechanical and Electrical Vocational College filed Critical Henan Mechanical and Electrical Vocational College
Priority to CN201920669625.5U priority Critical patent/CN209867976U/en
Application granted granted Critical
Publication of CN209867976U publication Critical patent/CN209867976U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a special fixture of connecting rod work piece processing, including anchor clamps body bottom plate and anchor clamps body riser, the one end perpendicular to anchor clamps body riser of anchor clamps body riser be equipped with the locating pin, the locating pin on connect and be equipped with the vertical braces, the vertical braces on be equipped with the locating hole of connecting the connecting rod work piece, anchor clamps body bottom plate on keep away from the one end of vertical braces and be equipped with logical groove, logical groove top be equipped with arc clamp plate supporting seat and eccentric wheel kicking block, arc clamp plate supporting seat on articulated arc clamp plate, the top of arc clamp plate articulated press from both sides tight pressure head, the bottom of arc clamp plate articulated be equipped with the eccentric wheel, the other end and the eccentric wheel kicking block of eccentric wheel articulated, the eccentric wheel on keep away from the one end connection of eccentric wheel kicking block and. Compared with the prior art, the utility model the advantage lie in: the utility model discloses be convenient for location, centre gripping connecting rod work piece improve the operation precision, guarantee connecting rod processingquality.

Description

Special fixture for machining connecting rod workpiece
Technical Field
The utility model relates to a connecting rod work piece processing technology field specifically indicates a special fixture of connecting rod work piece processing.
Background
At present, when a connecting rod workpiece shown in fig. 5 is clamped and positioned, a large clamping and positioning error exists in the coaxiality between the center of a bearing hole of the connecting rod workpiece and the center of a lathe spindle, the coaxiality is difficult to adjust to be within an allowable tolerance range, and the precision requirement of parts cannot be guaranteed.
Therefore, the machining precision and the machining quality of the connecting rod workpiece cannot be effectively guaranteed and controlled, and the qualified rate of products is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above technical defect, provide one kind and stabilize the centre gripping, improve the operation precision, guarantee connecting rod processingquality's a special fixture of connecting rod work piece processing.
In order to solve the technical problem, the utility model provides a technical scheme does: a special fixture for processing a connecting rod workpiece comprises a fixture body bottom plate and a fixture body vertical plate perpendicular to the fixture body bottom plate, wherein one end of the fixture body vertical plate is provided with a positioning pin perpendicular to the fixture body vertical plate, the positioning pin is connected with a vertical support, the vertical support is connected with the fixture body vertical plate through a countersunk screw, the vertical support is provided with a positioning hole for connecting the connecting rod workpiece, one end of the fixture body bottom plate, far away from the vertical support, is provided with a through groove, an arc-shaped pressure plate supporting seat and an eccentric wheel jacking block are arranged above the through groove, the arc-shaped pressure plate supporting seat and the vertical support are positioned at the same side of the fixture body vertical plate, the arc-shaped pressure plate supporting seat is connected with the fixture body vertical plate through a fixing bolt, the other side of the fixture body vertical plate is provided with a fixing nut for connecting the fixing bolt, and the arc-shaped, the clamp is characterized in that the top end of the arc-shaped pressing plate is hinged with a clamping pressure head through a short cylindrical pin, the bottom end of the arc-shaped pressing plate is hinged with an eccentric wheel through a middle cylindrical pin by bypassing the bottom of a vertical plate of the clamp body through a groove, the other end of the eccentric wheel is hinged with an eccentric wheel top block, one end of the eccentric wheel, which is far away from the eccentric wheel top block, is connected with a handle, one end of the vertical plate of the clamp body, which is close to the arc-shaped pressing plate supporting seat, is connected with a manual screw supporting seat, the upper end and the lower end of the manual screw supporting seat are respectively connected with manual screws provided with positioning connecting rod.
As an improvement, one end of the vertical plate of the clamp body, which is close to the vertical support, is connected with the bottom plate of the clamp body through a large reinforcing plate, the large reinforcing plate is respectively connected and fixed with the bottom plate of the clamp body and the vertical plate of the clamp body through countersunk screws, the other end of the vertical plate of the clamp body is connected with the bottom plate of the clamp body through a large reinforcing block, and the large reinforcing block is respectively connected and fixed with the bottom plate of the clamp body and the vertical plate of the clamp body through countersunk screws.
As an improvement, small reinforcing blocks are symmetrically arranged at two ends below the arc-shaped pressing plate supporting seat, and the small reinforcing blocks are respectively connected with the vertical plate and the bottom plate of the clamp body through sunk screws.
As an improvement, a small reinforcing plate is arranged below the manual screw supporting seat, and the small reinforcing plate is respectively connected with the vertical plate of the clamp body and the bottom plate of the clamp body through countersunk screws.
As an improvement, a nut gasket is arranged between the fixing nut and the vertical plate of the clamp body.
As an improvement, an included angle formed between the movable screw and the manual screw is 60-90 degrees.
Compared with the prior art, the utility model the advantage lie in: the vertical support is connected with the cylindrical shaft for positioning the connecting rod workpiece, so that the connecting rod workpiece can be accurately and firmly positioned on the vertical plate of the clamp body, the clamping device consisting of the eccentric wheel and the handle type structure is matched, the connecting rod workpiece which is correctly positioned can be clamped with proper clamping force and high efficiency, and the manual screw controlled by the adjusting nut is matched to further stabilize the bearing hole end of the connecting rod workpiece.
Drawings
Fig. 1 is a schematic view of the structure of the special fixture for machining the connecting rod workpiece of the present invention.
Fig. 2 is a schematic view of a main view structure of a special fixture for machining a connecting rod workpiece.
Fig. 3 is a rear view structure diagram of the special fixture for processing the connecting rod workpiece of the present invention.
Fig. 4 is an enlarged schematic structural view of the special fixture clamping mechanism for machining the connecting rod workpiece of the present invention.
Fig. 5 is a schematic structural view of a connecting rod workpiece of the special fixture for processing a connecting rod workpiece of the present invention.
As shown in the figure: 1. the clamp comprises a clamp body bottom plate, 2, a clamp body vertical plate, 3, a large reinforcing plate, 4, a positioning pin, 5, a vertical support, 6, a countersunk screw, 7, a connecting rod workpiece, 8, a handle, 9, a clamping pressure head, 10, a manual screw, 11, an adjusting nut, 12, a manual screw supporting seat, 13, a small reinforcing plate, 14, a small reinforcing block, 15, an arc-shaped pressing plate supporting seat, 16, a long cylindrical pin, 17, an arc-shaped pressing plate, 18, a fixing bolt, 19, an eccentric wheel top block, 20, a fixing nut, 21, a nut gasket, 22, a through groove, 23, a large reinforcing block, 24, an eccentric wheel, 25, a middle cylindrical pin, 26, a short cylindrical pin, 27 and a positioning hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-5, a special fixture for processing a connecting rod workpiece comprises a fixture body bottom plate 1 and a fixture body vertical plate 2 perpendicular to the fixture body bottom plate 1, wherein one end of the fixture body vertical plate 1 is provided with a positioning pin 4 perpendicular to the fixture body vertical plate 1, the positioning pin 4 is connected with a vertical support 5, the vertical support 5 is connected with the fixture body vertical plate 2 through a countersunk screw 6, the vertical support 5 is provided with a positioning hole 27 for connecting a connecting rod workpiece 7, one end of the fixture body bottom plate 1 away from the vertical support 5 is provided with a through groove 22, an arc-shaped pressure plate support seat 15 and an eccentric wheel top block 19 are arranged above the through groove 22, the arc-shaped pressure plate support seat 15 and the vertical support 5 are positioned at the same side of the fixture body vertical plate 2, the arc-shaped pressure plate support seat 15 is connected with the fixture body vertical plate 2 through a fixing bolt 18, the other side of the fixture body vertical plate 2 is provided with a fixing nut 20, the clamp is characterized in that an arc-shaped pressing plate 17 is hinged to the arc-shaped pressing plate supporting seat 15 through a long cylindrical pin 16, the top end of the arc-shaped pressing plate 17 is hinged to a clamping pressure head 9 through a short cylindrical pin 26, the bottom end of the arc-shaped pressing plate 17 bypasses the bottom of a clamp body vertical plate 2 through a through groove 22 and is hinged to an eccentric wheel 24 through a middle cylindrical pin 25, the other end of the eccentric wheel 24 is hinged to an eccentric wheel top block 19, one end, far away from the eccentric wheel top block 19, of the eccentric wheel 24 is connected with a handle 8, one end, close to the arc-shaped pressing plate supporting seat 15, of the clamp body vertical plate 2 is connected with a manual screw supporting seat 12, the upper end and the lower end of the manual screw supporting seat 12 are respectively connected with a manual screw 10 provided with a positioning connecting.
One end of the vertical plate 2 of the fixture body, which is close to the vertical support 5, is connected with the bottom plate 1 of the fixture body through a large reinforcing plate 3, the large reinforcing plate 3 is respectively connected and fixed with the bottom plate 1 of the fixture body and the vertical plate 2 of the fixture body through a countersunk screw 6, the other end of the vertical plate 2 of the fixture body is connected with the bottom plate 1 of the fixture body through a large reinforcing block 23, the large reinforcing block 23 is respectively connected and fixed with the bottom plate 1 of the fixture body and the vertical plate 2 of the fixture body through a countersunk screw 6, small reinforcing blocks 14 are symmetrically arranged at two ends below the arc-shaped press plate supporting seat 15, the small reinforcing blocks 14 are respectively connected with the vertical plate 2 of the fixture body and the bottom plate 1 of the fixture body through countersunk screws 6, a small reinforcing plate 13 is arranged below the manual screw supporting seat 12, the small reinforcing plate 13 is respectively connected with the vertical plate 2 of the fixture body and the bottom plate 1 of the fixture body through countersunk screws 6, the included angle formed between the movable screw 10 and the manual screw 10 is 60-90 degrees.
When the utility model is implemented, the large reinforcing plate 3, the small reinforcing plate 13, the large reinforcing block 23 and the small reinforcing block 14 are used for reinforcing the connection between the bottom plate 1 of the fixture body and the vertical plate 2 of the fixture body, ensuring that the vertical plate 2 of the fixture body is vertical to the bottom plate 1 of the fixture body, the vertical support 5 connected on the vertical plate 2 of the clamp body through the positioning pin 4 is used for positioning the connecting rod workpiece 7, the cylindrical shaft end of the connecting rod workpiece 7 is inserted into the positioning hole 27 on the vertical support 5, the cylindrical shaft end of the connecting rod workpiece 7 is taken as the center of a circle, the connecting rod workpiece 7 is rotated to adjust the placing angle, then the manual screw 10 is adjusted by rotating the adjusting nut 11, so that the manual screw 10 is pressed against the outer surface of the bearing hole end of the connecting rod workpiece 7, then the handle 8 is moved to drive the eccentric wheel 24 to rotate, so that the clamping pressure head 9 clamps the connecting rod workpiece 7 and realizes self-locking, and clamping and positioning of the connecting rod workpiece 7 are completed.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (6)

1. The utility model provides a special fixture of connecting rod work piece processing, includes anchor clamps body bottom plate (1) and the anchor clamps body riser (2) of perpendicular to anchor clamps body bottom plate (1), its characterized in that: one end of the vertical plate (2) of the fixture body is provided with a positioning pin (4) which is vertical to the vertical plate (2) of the fixture body, the positioning pin (4) is connected with a vertical support (5), the vertical support (5) is connected with the vertical plate (2) of the fixture body through a countersunk screw (6), the vertical support (5) is provided with a positioning hole (27) for connecting a connecting rod workpiece (7), one end of the bottom plate (1) of the fixture body, which is far away from the vertical support (5), is provided with a through groove (22), an arc-shaped pressure plate supporting seat (15) and an eccentric wheel jacking block (19) are arranged above the through groove (22), the arc-shaped pressure plate supporting seat (15) and the vertical support (5) are positioned at the same side of the vertical plate (2) of the fixture body, the arc-shaped pressure plate supporting seat (15) is connected with the vertical plate (2) of the fixture body through a fixing bolt (18), and the other side of the vertical plate (2), the clamp is characterized in that an arc-shaped pressing plate (17) is hinged to an arc-shaped pressing plate supporting seat (15) through a long cylindrical pin (16), the top end of the arc-shaped pressing plate (17) is hinged to a clamping pressure head (9) through a short cylindrical pin (26), the bottom end of the arc-shaped pressing plate (17) bypasses the bottom of a clamp body vertical plate (2) through a through groove (22) and is hinged to an eccentric wheel (24) through a middle cylindrical pin (25), the other end of the eccentric wheel (24) is hinged to an eccentric wheel top block (19), one end, far away from the eccentric wheel top block (19), of the eccentric wheel (24) is connected with a handle (8), one end, close to the arc-shaped pressing plate supporting seat (15), of the clamp body vertical plate (2) is connected with a manual screw supporting seat (12), the upper end and the lower end of the manual screw supporting seat (12) are respectively connected with a, the outer side end of the manual screw (10) is connected with an adjusting nut (11).
2. The special fixture for machining the connecting rod workpiece as claimed in claim 1, wherein: the clamp body vertical plate (2) is close to one end of the vertical support (5) and is connected with the clamp body bottom plate (1) through a large reinforcing plate (3), the large reinforcing plate (3) is respectively connected and fixed with the clamp body bottom plate (1) and the clamp body vertical plate (2) through a countersunk screw (6), the other end of the clamp body vertical plate (2) is connected with the clamp body bottom plate (1) through a large reinforcing block (23), and the large reinforcing block (23) is respectively connected and fixed with the clamp body bottom plate (1) and the clamp body vertical plate (2) through the countersunk screw (6).
3. The special fixture for machining the connecting rod workpiece as claimed in claim 1, wherein: the clamp is characterized in that small reinforcing blocks (14) are symmetrically arranged at two ends below the arc-shaped pressing plate supporting seat (15), and the small reinforcing blocks (14) are respectively connected with the vertical plate (2) of the clamp body and the bottom plate (1) of the clamp body through countersunk screws (6).
4. The special fixture for machining the connecting rod workpiece as claimed in claim 1, wherein: a small reinforcing plate (13) is arranged below the manual screw supporting seat (12), and the small reinforcing plate (13) is respectively connected with the vertical plate (2) of the fixture body and the bottom plate (1) of the fixture body through countersunk screws (6).
5. The special fixture for machining the connecting rod workpiece as claimed in claim 1, wherein: and a nut gasket (21) is arranged between the fixing nut (20) and the vertical plate (2) of the clamp body.
6. The special fixture for machining the connecting rod workpiece as claimed in claim 1, wherein: the included angle formed between the movable screw (10) and the manual screw (10) is 60-90 degrees.
CN201920669625.5U 2019-05-11 2019-05-11 Special fixture for machining connecting rod workpiece Expired - Fee Related CN209867976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920669625.5U CN209867976U (en) 2019-05-11 2019-05-11 Special fixture for machining connecting rod workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920669625.5U CN209867976U (en) 2019-05-11 2019-05-11 Special fixture for machining connecting rod workpiece

Publications (1)

Publication Number Publication Date
CN209867976U true CN209867976U (en) 2019-12-31

Family

ID=68964702

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920669625.5U Expired - Fee Related CN209867976U (en) 2019-05-11 2019-05-11 Special fixture for machining connecting rod workpiece

Country Status (1)

Country Link
CN (1) CN209867976U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114505705A (en) * 2021-12-31 2022-05-17 来安县科来兴实业有限责任公司 H-shaped rod clamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114505705A (en) * 2021-12-31 2022-05-17 来安县科来兴实业有限责任公司 H-shaped rod clamp

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191231

Termination date: 20200511

CF01 Termination of patent right due to non-payment of annual fee