CN203228039U - Milling clamp for multiple cylindrical workpieces - Google Patents

Milling clamp for multiple cylindrical workpieces Download PDF

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Publication number
CN203228039U
CN203228039U CN 201320146733 CN201320146733U CN203228039U CN 203228039 U CN203228039 U CN 203228039U CN 201320146733 CN201320146733 CN 201320146733 CN 201320146733 U CN201320146733 U CN 201320146733U CN 203228039 U CN203228039 U CN 203228039U
Authority
CN
China
Prior art keywords
conduit
milling
arc groove
locating
piece
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 201320146733
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Chinese (zh)
Inventor
胡武军
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.)
GUANGZHOU COMMUNICATIONS SENIOR TECHNICAL SCHOOL
Original Assignee
GUANGZHOU COMMUNICATIONS SENIOR TECHNICAL SCHOOL
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 GUANGZHOU COMMUNICATIONS SENIOR TECHNICAL SCHOOL filed Critical GUANGZHOU COMMUNICATIONS SENIOR TECHNICAL SCHOOL
Priority to CN 201320146733 priority Critical patent/CN203228039U/en
Application granted granted Critical
Publication of CN203228039U publication Critical patent/CN203228039U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a milling clamp for multiple cylindrical workpieces. The milling clamp comprises a base, a positioning mechanism and a clamping mechanism and is characterized in that the top face of the base is provided with a groove, and the positioning mechanism comprises two or more positioning blocks provided with arc-shaped grooves. Each positioning block is in clearance fit with the groove and slides along the groove, the arc-shaped grooves of two adjacent positioning blocks are combined to form a positioning hole for installing and clamping the cylindrical workpieces to be milled, and the clamping mechanism is arranged on the base and used for pressing the two positioning blocks on the outmost sides of two ends of the groove towards the middle so as to enable the positioning hole to be in interference fit with the installed-clamped cylindrical workpieces to be milled. The milling clamp for the multiple cylindrical workpieces is simple in structure and convenient to use, can stably clamp the multiple cylindrical workpieces simultaneously and does not damage the cylindrical workpieces.

Description

A kind of milling fixture of many cylindrical works
Technical field
The utility model relates to a kind of milling fixture, specifically a kind of milling fixture of many cylindrical works.
Background technology
In the prior art, vee-block clamping device commonly used treats that to end face the workpiece of milling clamps, locatees, and has correct position to guarantee workpiece relative cutter and building motion when the Milling Process.But in production practices, find, for the cylindrical work that has the bulge loop structure on the periphery, adopt the vee-block clamping device that this cylindrical work is clamped, locatees, have following deficiency:
First, adopt conventional vee-block clamping device, bulge loop surface at cylindrical work clamps, because the contact point of device and cylindrical work is away from the clamping center, need bigger clamping force could guarantee the location of workpiece, but very easily cause workpiece to scrap the side face cramping triangularity of workpiece;
Second, adopt special vee-block clamping device, the suitable special vee-block in bulge loop position on utilization and the cylindrical work positions cylindrical work, cooperate flat-nose pliers clamp cylinders shape workpiece, because vee-block has only two lines to contact with cylindrical work, avoids thinner workpiece for circumference, is become polygon to cause by cramping equally easily and scraps, and each cylindrical work adds and need clamp separately man-hour, causes the Milling Process efficient of workpiece low.
The utility model content
The milling fixture that the purpose of this utility model provides a kind of many cylindrical works simple in structure can carry out stable holding to many cylindrical works simultaneously, and can not cause damage to cylindrical work.
The purpose of this utility model is to realize by following technical measures:
A kind of milling fixture of many cylindrical works, comprise base, detent mechanism and clamp mechanism, it is characterized in that: the end face of described base has conduit, described detent mechanism comprises the two or more locating pieces that have arc groove, each locating piece slides with described conduit matched in clearance and along described conduit respectively, and the locating hole of milling cylindrical work is treated in the combination of the arc groove of adjacent two locating pieces as clamping, described clamp mechanism is arranged on the base, compress to conduit middle part in order to will be arranged on outermost two locating pieces in conduit two ends, make described locating hole and clamping therein treat milling cylindrical work interference fit.
Treat the clamping stability of milling cylindrical work in order to strengthen these anchor clamps, reduce the milling percent defective treat the milling cylindrical work, as a kind of improvement of the present utility model, described arc groove with treat that the side face of milling cylindrical work is suitable.
For when treating that the milling cylindrical work is adaptive and be installed in the locating hole, form between two locating pieces of this locating hole and leave certain interval, guarantee to clamp the back locating hole and treat milling cylindrical work energy interference fit, as a kind of improvement of the present utility model, the central angle of described arc groove is less than 180 °.
As a kind of embodiment of the present utility model, described locating piece comprises end locating piece and interfix piece, and its middle-end locating piece has a described arc groove, and the interfix piece has back to two described arc grooves that arrange; Described detent mechanism is made up of two end locating pieces and one or above interfix piece, described two end locating pieces are separately positioned on conduit two ends outermost, and the arc groove of these two end locating pieces is towards the conduit middle part, described interfix piece is arranged on conduit on the groove section between two end locating pieces, and the arc groove of interfix piece is towards the bearing of trend of conduit.
In order to improve the working (machining) efficiency for the treatment of the milling cylindrical work, as a kind of improvement of the present utility model, the end face of described base also has one or the above conduit, and each bar conduit is parallel to each other, and every conduit is provided with a described detent mechanism.
As the preferred embodiment of the utility model clamp mechanism, described clamp mechanism comprises two baffle plates and the bolt identical with conduit quantity; Described two baffle plates are separately positioned on base and are positioned on the end face at conduit two ends, and wherein a described baffle plate has screwed hole in the position of corresponding each bar conduit respectively, described each root bolt passes a screwed hole respectively, and is pressed on the outermost locating piece of each bar conduit.
Compared with prior art, the utlity model has following beneficial effect:
First, have the arc groove for the treatment of the milling cylindrical work for location, clamping on the locating piece of the present utility model, with arc surface workpiece is clamped, realize locating hole and treated interference fit between the milling cylindrical work, substantially there is not the gap between them, frictional force is big, clamp reliable, therefore, it is stable that the clamping of milling cylindrical work is newly treated in this practicality, can not cause damage to cylindrical work, the positional precision the during milling that improved cylindrical work, reduce its milling percent defective, particularly can under the milling of roughing feed amount, can guarantee stable holding equally;
The second, structure of the present utility model and manufacture craft are simple, and be easy to use, and a plurality of locating pieces can be set, and simultaneously many cylindrical works carried out stable holding, therefore, and the novel milling production efficiency that cylindrical work can be provided of this use;
The 3rd, utilize the utility model clamping cylindrical work, cylindrical work can carry out the processing of end face, side and symmetrical plane.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A face sectional structure schematic diagram of Fig. 1;
Fig. 3 treats structural representation behind the milling cylindrical work for the utility model clamping;
Fig. 4 is the A-A face sectional structure schematic diagram of Fig. 3;
Fig. 5 is for having the structural representation of the cylindrical work of bulge loop structure on a kind of periphery.
The specific embodiment
Shown in Fig. 1 to 4, the milling fixture of many cylindrical works of the present utility model comprises base 1, detent mechanism and clamp mechanism.Wherein, have two conduit 1a on the end face of base 1, and these two conduit 1a are parallel to each other, are respectively equipped with a detent mechanism on two conduit 1a; Detent mechanism is made up of two end locating pieces 2 and seven interfix pieces 3, its middle-end locating piece 2 has an arc groove b, interfix piece 3 has back to two arc groove b that arrange, this arc groove b with treat that suitable and its central angle of the side face of milling cylindrical work is less than 180 °, two end locating pieces 2 are separately positioned on conduit 1a two ends outermost, and the arc groove b of these two end locating pieces 2 is towards conduit 1a middle part, interfix piece 3 is arranged on conduit 1a on the groove section between two end locating pieces 2, and the arc groove b of interfix piece 3 is towards the bearing of trend of conduit 1a, these nine locating pieces slide with conduit 1a matched in clearance and along conduit 1a respectively, and the locating hole of milling cylindrical work is treated in the arc groove b of adjacent two locating pieces combination as clamping; Clamp mechanism comprises two baffle plates 4 and the bolt 5 identical with conduit 1a quantity; Two baffle plates 4 are separately positioned on base 1 and are positioned on the end face at conduit 1a two ends, and wherein a baffle plate 4 has screwed hole in the position of corresponding each bar conduit 1a respectively, each root bolt 5 passes a screwed hole respectively, and be pressed on the outermost locating piece of each bar conduit 1a, compress to conduit 1a middle part in order to will be arranged on outermost two the end locating pieces 2 in conduit 1a two ends, make locating hole and clamping therein treat milling cylindrical work interference fit.When utilizing the milling fixture of present embodiment to treat the milling cylindrical work to wait to mill operation, each locating piece on the mobile conduit 1a is for treating the cylindrical position of adjusting of milling, treat that with 16 the milling cylindrical work is positioned respectively in 16 locating holes of anchor clamps, tighten bolt 5 behind the location, make two end locating pieces 2 on the conduit 1a produce extruding to conduit 1a middle part, thereby realize treating the clamping of milling cylindrical work.
Shown in Fig. 5 is a kind of China ink cup pipe joint G that certain factory process is produced, and it is the cylindrical work that has the bulge loop structure on a kind of periphery, and because its material is titanium alloy, the little and very easily stressed excessive deformation of elastic modelling quantity.Should the conduct of China ink cup pipe joint treat the milling cylindrical work respectively, be clamped on the milling fixture at the special vee-block clamping device of this China ink cup pipe joint G and the utility model above-described embodiment of the prior art and carry out Milling Process, wherein the project of Milling Process comprises the through hole G1 on the China ink cup pipe joint G.Wherein, when adopting the milling fixture of the utility model above-described embodiment, the cylindrical neck portion G2 of 16 China ink cup pipe joint G is installed in 16 locating holes of milling fixture, and the projecting ring section G3 of China ink cup pipe joint G exposes outside the locating hole, and this milling fixture is installed in the boring work of once finishing 16 parts on CNC milling machine or the machining center by numerical control program.
As shown in table 1 below, adopt 16 China ink cups of vee-block clamping device processing pipe joint G to take 10.3min, and produce 3% percent defective, and adopt milling fixture of the present utility model only to take 1.5min at 16 China ink cups of CNC milling machine processing pipe joint G, and only produce 1% percent defective.
Table 1
? Percent defective Process time
The vee-block clamping device 3﹪ 10.3min
Milling fixture 1﹪ 1.5min
By analysis, this is owing to adopt vee-block clamping device clamping China ink cup pipe joint G, the monolithic vee-block has only two lines to contact with workpiece, be easy to become workpiece clamp polygon to cause workpiece to scrap, perhaps unstable and cause and scrap to the clamping of China ink cup pipe joint G in milling process, and milling fixture of the present utility model is stable to the clamping of China ink cup pipe joint G, has therefore reduced the scrappage of product.And, milling fixture of the present utility model clamping simultaneously 16 China ink cups pipe joint G also carries out milling together, and needn't carry out clamping to China ink cup pipe joint G separately as the vee-block clamping device, therefore, saved the process time of black cup pipe joint G greatly, to work every day 8 hours, processing 5000 China ink cup pipe joint G is example, use milling fixture of the present utility model that China ink cup pipe joint G is carried out clamping, with respect to using the vee-block clamping device, every month economic benefit can improve 7 percentage points.
The utility model does not limit to and the above-mentioned specific embodiment, according to foregoing, ordinary skill knowledge and customary means according to this area, do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite, the utility model can also be made equivalent modifications, replacement or the change of other various ways, for example, according to the size for the treatment of the milling cylindrical work or according to the choosing of the actual use of milling fixture, the detent mechanism in above-described embodiment can comprise the two or more locating pieces that have arc groove b; And for example, guaranteeing that clamp mechanism can provide under the prerequisite of enough chucking power, above-mentioned base 1 end face can be offered one or above conduit 1a, and detent mechanism is set therein, all drops among the protection domain of the present utility model.

Claims (6)

1. the milling fixture of many cylindrical works, comprise base (1), detent mechanism and clamp mechanism, it is characterized in that: the end face of described base (1) has conduit (1a), described detent mechanism comprises the two or more locating pieces that have arc groove (b), each locating piece slides with described conduit (1a) matched in clearance and along described conduit (1a) respectively, and the locating hole of milling cylindrical work is treated in the arc groove of adjacent two locating pieces (b) combination as clamping, described clamp mechanism is arranged on the base (1), compress to conduit (1a) middle part in order to will be arranged on outermost two locating pieces in conduit (1a) two ends, make described locating hole be installed in wherein treat milling cylindrical work interference fit.
2. the milling fixture of many cylindrical works according to claim 1 is characterized in that: described arc groove (b) with treat that the side face of milling cylindrical work is suitable.
3. the milling fixture of many cylindrical works according to claim 2, it is characterized in that: the central angle of described arc groove (b) is less than 180 °.
4. the milling fixture of many cylindrical works according to claim 3, it is characterized in that: described locating piece comprises end locating piece (2) and interfix piece (3), its middle-end locating piece (2) has a described arc groove (b), and interfix piece (3) has back to two the described arc grooves (b) that arrange; Described detent mechanism is made up of two end locating pieces (2) and one or above interfix piece (3), described two end locating pieces (2) are separately positioned on conduit (1a) two ends outermost, and the arc groove (b) of these two end locating pieces (2) is towards conduit (1a) middle part, described interfix piece (3) is arranged on conduit (1a) and is positioned on the groove section between two end locating pieces (2), and the arc groove (b) of interfix piece (3) is towards the bearing of trend of conduit (1a).
5. according to the milling fixture of any described many cylindrical works of claim 1 to 4, it is characterized in that: the end face of described base (1) also has one or the above conduit (1a), and each bar conduit (1a) is parallel to each other, and every conduit (1a) is provided with a described detent mechanism.
6. the milling fixture of many cylindrical works according to claim 5, it is characterized in that: described clamp mechanism comprises two baffle plates (4) and the bolt (5) identical with conduit (1a) quantity; Described two baffle plates (4) are separately positioned on base (1) and are positioned on the end face at conduit (1a) two ends, and wherein a described baffle plate (4) has screwed hole in the position of corresponding each bar conduit (1a) respectively, described each root bolt (5) passes a screwed hole respectively, and is pressed on the outermost locating piece of each bar conduit (1a).
CN 201320146733 2013-03-27 2013-03-27 Milling clamp for multiple cylindrical workpieces Expired - Fee Related CN203228039U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320146733 CN203228039U (en) 2013-03-27 2013-03-27 Milling clamp for multiple cylindrical workpieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320146733 CN203228039U (en) 2013-03-27 2013-03-27 Milling clamp for multiple cylindrical workpieces

Publications (1)

Publication Number Publication Date
CN203228039U true CN203228039U (en) 2013-10-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN203228039U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104015075A (en) * 2014-06-09 2014-09-03 苏州金牛精密机械有限公司 Tool for machining cross-shaped grooves in end faces of workpieces
CN111230231A (en) * 2020-04-10 2020-06-05 安徽玄同机电科技有限公司 Clamp for automatic centering and tapping of workpiece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104015075A (en) * 2014-06-09 2014-09-03 苏州金牛精密机械有限公司 Tool for machining cross-shaped grooves in end faces of workpieces
CN111230231A (en) * 2020-04-10 2020-06-05 安徽玄同机电科技有限公司 Clamp for automatic centering and tapping of workpiece

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131009

Termination date: 20140327