CN202667299U - Device for processing straight grain pattern of bolt - Google Patents

Device for processing straight grain pattern of bolt Download PDF

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Publication number
CN202667299U
CN202667299U CN 201220355887 CN201220355887U CN202667299U CN 202667299 U CN202667299 U CN 202667299U CN 201220355887 CN201220355887 CN 201220355887 CN 201220355887 U CN201220355887 U CN 201220355887U CN 202667299 U CN202667299 U CN 202667299U
Authority
CN
China
Prior art keywords
straight burr
mould
core rod
processing
screw
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 201220355887
Other languages
Chinese (zh)
Inventor
杨永
胡平
杨鑫
皱钢
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.)
Guizhou Aerospace Precision Products Co Ltd
Original Assignee
Guizhou Aerospace Precision Products 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 Guizhou Aerospace Precision Products Co Ltd filed Critical Guizhou Aerospace Precision Products Co Ltd
Priority to CN 201220355887 priority Critical patent/CN202667299U/en
Application granted granted Critical
Publication of CN202667299U publication Critical patent/CN202667299U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a device for processing a straight grain pattern of a bolt. The device comprises a punching head (2) and a straight grain pattern mould (3), wherein the punching head (2) is mounted in an upper punching sleeve (1); the straight grain pattern mould (3) is located under the punching head (2); a mould core (4) is arranged under the straight grain pattern mould (3); a pattern mould sleeve (5) is arranged outside the straight grain pattern mould (3); a mould core sleeve (6) is arranged outside the mould core (4); a mould cushion (7) is arranged under the mould core (4); a jacking rod (8) is arranged in the mould cushion (7); and a mould sleeve (9) is arranged outside the pattern mould sleeve (5), the mould core sleeve (6) and the mould cushion (7). Hobbing processing is changed into pier tooth processing by the device provided by the utility model; 60 pieces can be processed by the device in one minute; the processing efficiency is greatly increased; the processing cost is lowered; and an advantage is created for batch production.

Description

A kind of device for the processing of screw straight burr flower
Technical field
The utility model relates to a kind of device for the processing of screw straight burr flower, belongs to the extrusion forming technology field.
Background technology
A kind of screw element is arranged, and its head of screw is cylindrical, and columniform outer surface is provided with one group of straight burr parallel with axis, to increase frictional force, prevents that hand and head of screw from skidding when hand-turn a screw, so as with hand with screw-driving.The processing straight flower normally carries out roll forming with two straight burr cards at hydraulic press at present.A straight burr card is contained on the workbench of hydraulic screw thread rolling machine, another piece straight burr card is contained on the top shoe of hydraulic screw thread rolling machine, start hydraulic screw thread rolling machine, align the profile of tooth of straight burr card, adjust pressure, the screw blank is put between two straight burr cards, top shoe moves down, the straight burr card is pressed on the head of screw of blank, and then up and down two relatively oppositely back and forth translations of straight burr card roll out the straight burr flower in the screw head surfaces of blank.In actual production, the straight burr flower of rolling and processing screw, because after each roll extrusion, the upper lower tooth position of straight burr card all can not align, after all the profile of tooth of straight burr card will being aligned again, just can carry out the processing of next part product, so its process velocity is slow, process velocity be 1.6 minutes every, production efficiency is low.Do not satisfy the requirement of batch production, urgent need will be enhanced productivity.
Summary of the invention
The purpose of this utility model is, a kind of device for the processing of screw straight burr flower is provided, and rolls the low problem of straight burr flower working (machining) efficiency with solution, enhances productivity, and satisfies the requirement of batch production, thereby overcomes the deficiencies in the prior art.
The technical solution of the utility model is achieved in that a kind of device for the processing of screw straight burr flower of the present utility model is that this device comprises the straight burr flower mould that is installed in the drift in the upper punch cover and is positioned at the drift below; Straight burr flower mould below is provided with core rod, and straight burr flower mould is provided with colored die sleeve outward, and core rod is provided with the core rod cover outward; The core rod below is provided with die-cushion, is provided with push rod in the die-cushion; Flower die sleeve, core rod cover and die-cushion are provided with die sleeve outward.
In the aforementioned means, described straight burr flower mould and core rod are step-like cylinder, and the cylinder axis of straight burr flower mould is provided with the straight burr hole; The cylinder axis of core rod is provided with locating hole.
In the aforementioned means, the aperture of described locating hole is corresponding with the minor diameter outside diameter of screw blank, and locating hole is arc opening with the aperture that straight burr flower mould is connected an end; The roughness Rz of locating hole≤0.8 μ m.
In the aforementioned means, described core rod and straight burr flower mould are the carbide alloy product.
Compared with prior art, prior art is to adopt the method for gear hobbing, needs of every processing 1.6 minutes.The utility model changes gear hobbing processing the processing of into pier tooth, the smaller diameter end of screw blank to be processed is inserted core rod, larger diameter end axial force distribution at the screw blank, make the major diameter cylindrical of screw blank clamp-on by force the straight burr hole of straight burr flower mould, and reach the purpose that squeezes out the straight burr flower at screw blank cylindrical.Method per minute of the present utility model can be processed 60, has improved greatly working (machining) efficiency, has reduced processing cost, for advantage has been created in batch production.
Description of drawings
Fig. 1 is processing method schematic diagram of the present utility model
Fig. 2 is blank figure to be processed;
Fig. 3 is the part drawing of machine-shaping;
Fig. 4 is structural representation of the present utility model;
Fig. 5 is the explosive view of the utility model structure;
Fig. 6 is the processing method schematic diagram of prior art.
Being labeled as among the figure: 1-upper punch cover, 2-drift, 3-straight burr flower mould, 4-core rod, 5-flower die sleeve, 6-core rod cover, 7-die-cushion, the 8-push rod, 9-die sleeve, 10-straight burr hole, the 11-locating hole, 12-smaller diameter end, 13-larger diameter end, 14-screw blank, 15-straight burr card, 16-workbench, the 17-top shoe, 18-straight burr, 19-arc opening.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, but not as to any restriction of the present utility model.
Embodiment.The utility model screw blank to be processed as shown in Figure 2, screw blank 14 is step-like cylinder, comprises smaller diameter end 12 and larger diameter end 13.Larger diameter end 13 cylindrical surfaces are polished rod.The utility model is constructed according to the processing method of following screw straight burr flower, as shown in Figure 1, the method is that the smaller diameter end 12 of screw blank 14 to be processed is inserted in the locating hole 11 of core rod 4, larger diameter end 13 axial force distribution F at the screw blank, make the major diameter cylindrical of screw blank clamp-on by force the straight burr hole 10 of straight burr flower mould 3, and reach the purpose that squeezes out the straight burr flower at screw blank cylindrical.The major diameter cylindrical of screw blank ejects straight burr hole 10 by push rod 8 with the part that machines after clamp-oning by force the straight burr endoporus of straight burr flower mould.Part after machining as shown in Figure 3, larger diameter end 13 outer round surface of screw blank are forced out straight burr 18.Described core rod 4 and straight burr flower mould 3 all adopt the carbide alloy manufacturing, and the core rod 4 outer 6 core rod covers that are provided with are provided with colored die sleeve 5 outside the straight burr flower mould 3; Locating hole 11 polishings of core rod 4, its roughness Rz≤0.8 μ m.Described screw blank to be processed is step-like cylinder, step-like cylindrical smaller diameter end 12 is inserted in the locating hole 11, step-like cylindrical larger diameter end 13 pours the straight burr hole 10 that straight burr is spent mould 3 by the drift 2 that is installed on the automatic cold headers, make the major diameter cylindrical of screw blank produce distortion, squeeze out straight burr 18 at the major diameter cylindrical of screw blank.
The of the present utility model a kind of device for the processing of screw straight burr flower that makes up according to said method as shown in Figure 4 and Figure 5, this device comprises the straight burr flower mould 3 that is installed in the drift 2 in the upper punch cover 1 and is positioned at drift 2 belows; Straight burr flower mould 3 belows are provided with core rod 4, straight burr flower mould 3 outer colored die sleeve 5, the core rod 4 outer core rod covers 6 that are provided with of being provided with; Core rod 4 belows are provided with die-cushion 7, are provided with push rod 8 in the die-cushion 7; Flower die sleeve 5, core rod cover 6 and the die-cushion 7 outer die sleeves 9 that are provided with.Described straight burr flower mould 3 and core rod 4 are step-like cylinder, and the cylinder axis of straight burr flower mould is provided with straight burr hole 10; The cylinder axis of core rod 4 is provided with locating hole 11.The aperture of described locating hole 11 is corresponding with the minor diameter outside diameter of screw blank, and locating hole 11 is arc opening with the aperture that straight burr flower mould is connected an end; The roughness Rz of locating hole 11≤0.8 μ m.Described core rod 4 and straight burr flower mould 3 are the carbide alloy product.
Fig. 6 is the processing method schematic diagram of prior art, and as can be seen, prior art is to carry out roll forming with two straight burr cards 15 at hydraulic press.A straight burr card is contained on the workbench 16 of hydraulic screw thread rolling machine, another piece straight burr card is contained on the top shoe 17 of hydraulic screw thread rolling machine, start hydraulic screw thread rolling machine, align the profile of tooth of straight burr card, adjust pressure, screw blank 14 is put between two straight burr 15 cards, top shoe 17 moves down, the straight burr card is pressed on the major diameter cylindrical of screw blank 14, and then up and down two relatively oppositely back and forth translations of straight burr card 15 roll out the straight burr flower at the major diameter outer round surface of screw blank.In actual production, the straight burr flower of rolling and processing screw, because after each roll extrusion, the upper lower tooth position of straight burr card all can not align, after all the profile of tooth of straight burr card will being aligned again, just can carry out the processing of next part product, so its process velocity is slow, process velocity be 1.6 minutes every, production efficiency is low.Do not satisfy the requirement of batch production.

Claims (4)

1. a device that is used for the processing of screw straight burr flower is characterized in that: comprise the straight burr flower mould (3) that is installed in the drift (2) in the upper punch cover (1) and is positioned at drift (2) below; Straight burr flower mould (3) below is provided with core rod (4), the outer colored die sleeve (5) that is provided with of straight burr flower mould (3), the outer core rod cover (6) that is provided with of core rod (4); Core rod (4) below is provided with die-cushion (7), is provided with push rod (8) in the die-cushion (7); The outer die sleeve (9) that is provided with of flower die sleeve (5), core rod cover (6) and die-cushion (7).
2. described for the colored device of processing of screw straight burr according to claim 1, it is characterized in that: described straight burr flower mould (3) and core rod (4) are step-like cylinder, and the cylinder axis of straight burr flower mould is provided with straight burr hole (10); The cylinder axis of core rod (4) is provided with locating hole (11).
3. described for the colored device of processing of screw straight burr according to claim 2, it is characterized in that: the aperture of described locating hole (11) is corresponding with the minor diameter outside diameter of screw blank, and locating hole (11) is arc opening (19) with the aperture that straight burr flower mould is connected an end; The roughness Rz of locating hole (11)≤0.8 μ m.
4. described for the colored device of processing of screw straight burr according to claim 1 and 2, it is characterized in that: described core rod (4) and straight burr flower mould (3) are the carbide alloy product.
CN 201220355887 2012-07-23 2012-07-23 Device for processing straight grain pattern of bolt Expired - Fee Related CN202667299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220355887 CN202667299U (en) 2012-07-23 2012-07-23 Device for processing straight grain pattern of bolt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220355887 CN202667299U (en) 2012-07-23 2012-07-23 Device for processing straight grain pattern of bolt

Publications (1)

Publication Number Publication Date
CN202667299U true CN202667299U (en) 2013-01-16

Family

ID=47488233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220355887 Expired - Fee Related CN202667299U (en) 2012-07-23 2012-07-23 Device for processing straight grain pattern of bolt

Country Status (1)

Country Link
CN (1) CN202667299U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103586301A (en) * 2013-11-21 2014-02-19 中国航天科技集团公司长征机械厂 Vibration cold-extruding plastic forming equipment for part with spline at shaft end
CN106493186A (en) * 2016-12-31 2017-03-15 浙江汇丰汽配制造有限公司 A kind of mould of automobile steering device connecting rod

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103586301A (en) * 2013-11-21 2014-02-19 中国航天科技集团公司长征机械厂 Vibration cold-extruding plastic forming equipment for part with spline at shaft end
CN103586301B (en) * 2013-11-21 2015-08-05 中国航天科技集团公司长征机械厂 A kind of vibration cold extrusion plastic molding apparatus of axle head band spline class part
CN106493186A (en) * 2016-12-31 2017-03-15 浙江汇丰汽配制造有限公司 A kind of mould of automobile steering device connecting rod
CN106493186B (en) * 2016-12-31 2019-03-22 浙江汇丰汽配制造有限公司 A kind of molding die of automobile steering device connecting rod

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Yang Yong

Inventor after: Hu Ping

Inventor after: Yang Xin

Inventor after: Zou Gang

Inventor before: Yang Yong

Inventor before: Hu Ping

Inventor before: Yang Xin

Inventor before: Zhou Gang

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: YANG YONG HU PING YANG XIN ZHOU GANG TO: YANG YONG HU PING YANG XIN ZOU GANG

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

Granted publication date: 20130116

Termination date: 20140723

EXPY Termination of patent right or utility model