CN2644044Y - Wedge-shaped spinforming apparatus - Google Patents

Wedge-shaped spinforming apparatus Download PDF

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Publication number
CN2644044Y
CN2644044Y CN 03247785 CN03247785U CN2644044Y CN 2644044 Y CN2644044 Y CN 2644044Y CN 03247785 CN03247785 CN 03247785 CN 03247785 U CN03247785 U CN 03247785U CN 2644044 Y CN2644044 Y CN 2644044Y
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CN
China
Prior art keywords
utility
model
overcoat
wedge
sliding sleeve
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 03247785
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Chinese (zh)
Inventor
夏琴香
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.)
South China University of Technology SCUT
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South China University of Technology SCUT
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 South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN 03247785 priority Critical patent/CN2644044Y/en
Application granted granted Critical
Publication of CN2644044Y publication Critical patent/CN2644044Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a wedge shape rotary extrusion molding device comprising a flange, an outer bushing, an inner bushing, an axial sliding sleeve, a radial sliding plate, a feeding rotary disc, a through hole turning oil cylinder and a spinning wheel group connected with each other. The spinning wheel regarding the utility model can make a feeding movement along the revolution diameter direction while making epicyclic motion around the working piece, with the coordinating parallel move and the deflection of the working piece, non axial symmetry thin wall hollow parts whose axes of each part are parallel with each other or in a certain angle with each other can be rotarily extruded out, making the rotary extrusion technology break through that of the prior art. The utility model can also process normal axis symmetry rotary extrusion parts. The utility model adopts a hydraulic power to drive the radial feeding movement of the spinning wheel, can be applied in professional or common machine tools.

Description

A kind of wedge shape mould pressing device
(1) technical field
The utility model relates to mould pressing technical field in the plastic working, specifically is meant a kind of wedge shape mould pressing device.
(2) background technology
In the planetary spinning building mortion of routine, workpiece and axis thereof become the center of whole system rotation, spinning roller rotates around workpiece with rotary wheel base, form the revolution motion of spinning roller, and spinning roller contacts the corresponding rotation of generation with surface of the work in revolution, forms the rotation of spinning roller, just as the rotation of planet, so be referred to as planetary spinning around fixed star.But spinning roller can't carry out feed motion at the revolution radial direction simultaneously when workpiece is done planetary motion, and therefore, the part that it was processed is the same with other traditional rotary pressure technology, though shape has nothing in common with each other, all is the axial symmetry thin-walled hollow parts.And the non-axial symmetry off-centre that is parallel to each other or forms an angle between the each several part axis, inclination and crooked class thin-walled hollow parts normally adopt Sheet Metal Forming Technology to be shaped after upper and lower two, adopt the method for welding to make again.Take such process to produce, on the one hand, the thermal deformation that produces during welding makes welding quality be difficult to guarantee; On the other hand, the increase of manufacturing procedure not only makes percent defective increase, and causes the increase of direct labor, production equipment and production site, thereby improved production cost of products.
(3) summary of the invention
The purpose of this utility model is exactly in order to solve above-mentioned the deficiencies in the prior art part, and a kind of wedge shape mould pressing device is provided.This device makes spinning roller when workpiece is done planetary motion, can also do feed motion along the revolution radial direction, cooperate the translation and the deflection of workpiece in the forming process, to reach the purpose that adopts spin-on process directly to process the off-centre, inclination and the non-axial symmetry thin-walled hollow parts of crooked class that are parallel to each other or form an angle between the each several part axis.
A kind of wedge shape mould pressing device described in the utility model is characterized in that, it is interconnected by ring flange, overcoat, interior cover, axial sliding sleeve, radial slider, feeding rotating disk, through hole angling cylinder and spinning roller group forms.Wherein, the spinning roller group is fixedly mounted in the type groove of radial slider, and radial slider is slided in the type groove of overcoat; Axially the wedge-shaped slot of sliding sleeve and radial slider is slidingly connected, and inner and interior cover is slidingly connected; Interior cover is fixedlyed connected with overcoat; Axially sliding sleeve is connected on the piston of through hole angling cylinder by the feeding rotating disk; Overcoat connects with machine tool chief axis by ring flange.
In order to realize the utility model better, described feeding rotating disk is connected with plug by bearing, and described plug also is connected with common oil cylinder, and it passes the through hole angling cylinder and links to each other with the piston of common oil cylinder.
Characteristics of the present utility model be spinning roller when workpiece is done planetary motion, can also the revolution radial direction do feed motion.Therefore, spinning roller also will be done feed motion along the revolution radial direction, to reach the purpose of the non-axial symmetry thin-walled hollow parts of machining 3 D with the spinning roller frame around the blank revolution simultaneously except that contacting with blank and carrying out the rotation.
The utility model compared with prior art has following advantage and beneficial effect:
1. why conventional spinning can only process axisymmetric hollow rotary part, be because blank rotates with the lathe main shaft in forming process, thereby no matter how spinning roller moves, and the part of formed thereby can only be an axisymmetric shape.And existing planetary spinning building mortion can't realize that spinning roller is carrying out the radial feed motion when blank carries out revolution motion, equally also can only process axisymmetric parts.The utility model then can directly process the non-axial symmetry spinning part that is parallel to each other or forms an angle between the each several part axis, has widened the idea of existing spinning, has broken through the range of work of original spinning process.
2. the utility model be owing to can adopt spinning process directly to process three-dimensional non-axial symmetry spinning part, thereby can greatly reduce production costs, and improves the quality of products and production efficiency.
3. the utility model adopts hydraulic power to drive the radial feed of spinning roller, thereby very big mould pressing power can be provided.
4. the utility model both can be used for special purpose machine tool, also can be used for machine tool.
5. the non-axisymmetric parts that the utility model both can processed complex also can be processed common axisymmetric parts.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the partial structurtes schematic diagram of the axial sliding sleeve of the utility model;
Fig. 4 is the structural representation of the utility model radial slider;
Fig. 5 is the partial structurtes schematic diagram of the utility model overcoat;
Fig. 6 is the structural representation of the utility model spinning roller arm.
(5) specific embodiment
Below in conjunction with drawings and Examples, the utility model is done to describe in further detail.
As shown in Figure 1, through hole angling cylinder 2 drives radial slider 16 by trombone slide 5, feeding rotating disk 10 and axial sliding sleeve 12 and radially slides in overcoat 11, and then drives spinning roller group (being made up of spinning roller arm 15 and spinning roller 14).Overcoat 11 is installed on the main shaft 6 of lathe by ring flange 7, and with main shaft 6 rotations.Interior cover 13 is fixedly connected with overcoat 11, and moving axially of axial sliding sleeve 12 play the guiding role.Axially the outside of sliding sleeve 12 has wedge 121, embeds in the wedge-shaped slot 161 of radial slider 16 to be in axial sliding, thereby the axially-movable of axial sliding sleeve 12 is become the radial motion of radial slider 16.Radial slider 16 is when doing radial motion, and its profile structure 163 embeds in the type groove 111 of overcoat 11, realizes reliable and stable moving radially.In order to make the stressed optimum state that is in of spinning roller arm 15, except using screw to be fixed in the radial slider 16, also it is designed to profile structure 151, it is embedded in the type groove 162 of radial slider 16, thereby increased bearing area, improved stability and intensity.
For can be in the latter stage of the non-axisymmetric parts mould pressing of three-dimensional, oral area to workpiece supports, in the present embodiment specialized designs plug 4, control stretching out of plug 4 and withdraw by stretching of common oil cylinder 1 piston, the effect of the core head 9 in the present embodiment is to change fast, so that adapt to the variation of different workpieces mouth diameters better.Because in the mould pressing process, workpiece does not rotate with the lathe main shaft, so the piston of plug 4, core head 9, common oil cylinder 1 does not all rotate with the lathe main shaft,, between plug 4 and feeding rotating disk 10, rolling bearing 8 has been installed for the transition between realizing rotating and do not rotate.Plug 4 need pass angling cylinder 2 and be connected with the piston of common oil cylinder 1, so angling cylinder 2 adopts the form that has central through hole.
Because in the mould pressing process, the radial feed motion of spinning roller 14 need be carried out according to the determined amount of feeding of technology Calculation, therefore the axial internal clearance of through hole angling cylinder 2 pistons is in slave mode, and possesses the ability that stops and keep-up pressure in the optional position of its impulse stroke.Adopt the auxiliary cylinders of band displacement transducer to control the piston position of angling cylinder 2 in the present embodiment, and then control the radial feeds of spinning roller 14.
The utility model can have only single spinning roller, also a plurality of spinning rollers can be arranged, but preferably can carry out symmetric arrangement.What present embodiment was described is the situation with three spinning rollers.For weight and the rotary inertia that alleviates overcoat 11, some symmetric parts in its outside, the material that it is unnecessary is removed, and forms arc notch 112.
The utility model is when the non-axisymmetric parts of processing, blank is installed on chuck, part to be formed stretches in the space between the spinning roller, start machine tool chief axis 6 then, drive ring flange 7, overcoat 11, radial slider 16, axial sliding sleeve 12, feeding rotating disk 10, trombone slide 5, the piston of through hole angling cylinder 2, rotations such as spinning roller arm 15 and spinning roller 14, hydraulic system drives the piston of through hole angling cylinder 2 and does axially controlled moving, pulling trombone slide 5, feeding rotating disk 10, axially sliding sleeve 12 is done axially controlled moving, drive radial slider 16, spinning roller arm 15 and spinning roller 14 are done radially controlled feed motion, when spinning roller 14 contact blanks, begin blank is formed.Can when spinning roller 14 rotations and feeding, workpiece be carried out translation or deflection according to the shape need of part.In the final stage of mould pressing, common oil cylinder 1 stretches out plug 4, utilizes 9 pairs of workpiece oral areas of core head to support, thereby finally processes the part of the non-axisymmetric shape of needed three-dimensional.
In the above-described embodiments, in the form that also can not adopt plug to support the latter stage of mould pressing, this will become another embodiment of the present utility model.At this moment, common oil cylinder 1, plug 4, core head 9, bearing 8 all can be cancelled, and angling cylinder 2 also can not have central through hole, and trombone slide 5 also can adopt the form of pull bar.
The utility model is except that can the non-axial symmetry spinning of machining 3 D part, can also carry out mould pressing to common axisymmetric parts, just in the process of spinning roller rotation and feeding, workpiece only carries out translation on spinning roller revolution axis, without any need for angular deflection, workpiece in the vertical direction of its axis also without any need for translation.
As mentioned above, can realize the utility model preferably.

Claims (4)

1. a wedge shape mould pressing device is characterized in that, it is interconnected by ring flange, overcoat, interior cover, axial sliding sleeve, radial slider, feeding rotating disk, through hole angling cylinder and spinning roller group forms; Wherein, the spinning roller group is fixedly mounted in the type groove of radial slider, and the type groove of radial slider and overcoat is slidingly connected; Axially the wedge-shaped slot of sliding sleeve and radial slider is slidingly connected, and inner and interior cover is slidingly connected; Interior cover is fixedlyed connected with overcoat; Axially sliding sleeve is connected on the piston of through hole angling cylinder by the feeding rotating disk; Overcoat connects with machine tool chief axis by ring flange.
2. a kind of wedge shape mould pressing device according to claim 1 is characterized in that described feeding rotating disk is connected with plug by bearing, and described plug also is connected with common oil cylinder, and it passes the through hole angling cylinder and links to each other with the piston of common oil cylinder.
3. a kind of wedge shape mould pressing device according to claim 1 is characterized in that the outside of described axial sliding sleeve is a wedge, cooperates with the wedge-shaped slot of radial slider to be slidingly connected.
4. a kind of wedge shape mould pressing device according to claim 1 is characterized in that described radial slider is the profile structure, cooperates with the type groove of overcoat to be slidingly connected.
CN 03247785 2003-06-27 2003-06-27 Wedge-shaped spinforming apparatus Expired - Fee Related CN2644044Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03247785 CN2644044Y (en) 2003-06-27 2003-06-27 Wedge-shaped spinforming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03247785 CN2644044Y (en) 2003-06-27 2003-06-27 Wedge-shaped spinforming apparatus

Publications (1)

Publication Number Publication Date
CN2644044Y true CN2644044Y (en) 2004-09-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03247785 Expired - Fee Related CN2644044Y (en) 2003-06-27 2003-06-27 Wedge-shaped spinforming apparatus

Country Status (1)

Country Link
CN (1) CN2644044Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148473A (en) * 2014-08-25 2014-11-19 胡景春 Horizontal type planet powerful spinning machine with four spinning rollers
CN107514987A (en) * 2017-08-10 2017-12-26 安徽沃德气门制造有限公司 A kind of valve curved detection repairs integrated device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104148473A (en) * 2014-08-25 2014-11-19 胡景春 Horizontal type planet powerful spinning machine with four spinning rollers
CN107514987A (en) * 2017-08-10 2017-12-26 安徽沃德气门制造有限公司 A kind of valve curved detection repairs integrated device

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee