CN208906218U - The extrusion molding dies and equipment of rectangle waveguide twist - Google Patents
The extrusion molding dies and equipment of rectangle waveguide twist Download PDFInfo
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- CN208906218U CN208906218U CN201821544173.XU CN201821544173U CN208906218U CN 208906218 U CN208906218 U CN 208906218U CN 201821544173 U CN201821544173 U CN 201821544173U CN 208906218 U CN208906218 U CN 208906218U
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- 238000001125 extrusion Methods 0.000 title claims abstract description 92
- 239000010720 hydraulic oil Substances 0.000 claims description 28
- 230000007704 transition Effects 0.000 claims description 28
- 238000003825 pressing Methods 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 9
- 239000002184 metal Substances 0.000 description 8
- 241000446313 Lamella Species 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Abstract
The utility model discloses the extrusion molding dies of rectangle waveguide twist and equipment, which is made of stator mold section, the mobile mold section of Y-direction and the mobile mold section of Z-direction；After the mobile mold section of stator mold section, Y-direction and the mobile mold section of Z-direction are bonded to each other, cavity surface of the rectangle waveguide twist before and after being extruded torsion is collectively formed inside it；The mobile mold section of Y-direction and stator mold section jointly in rectangle waveguide twist a broad side surface and two narrow sides be extruded reverse before and after be adapted；The mobile mold section of Z-direction is adapted before and after being extruded torsion with another broad side surface in the rectangle waveguide twist；Due to using openable and closable three-clove style extrusion molding dies, therefore without filling auxiliary material, and then it ensure that the surface of internal cavity quality of waveguide twist, and reduces its tube wall and be locally deformed, not only machining accuracy is high, production cost is low, and easy to operate, high production efficiency, is more suitable for the automation and mass production of waveguide twist.
Description
Technical Field
The utility model relates to a production device and the equipment field of wave pipe are turned round to preparation rectangle, what especially relate to is that the rectangle turns round extrusion mould and the equipment of wave pipe.
Background
The waveguide is a functional component of a microwave circuit manufactured by utilizing a hollow metal tube, a cavity body and the like, and has the function of transmitting signals or power. The twisted waveguide is also called a waveguide twisted joint, is a waveguide with the directions of wide edges and narrow edges at two ends exchanged by 90 degrees, and is characterized in that the polarization direction of electromagnetic waves passing through the twisted waveguide can be changed by 90 degrees, and the propagation direction can not be changed; when the waveguides are connected, if the front and rear waveguides have opposite wide edges and narrow edges, the twisted waveguides are required to be inserted for transition; the length of the twisted waveguide is integral multiple of lambdag/2, and the shortest length is not less than 2 lambdag (lambdag is waveguide wavelength); it is widely used in the field of radar because of its small loss of transmitted electromagnetic waves.
The twisted waveguide is generally composed of a rectangular twisted waveguide tube and flanges connecting two ends thereof, as shown in fig. 1, fig. 1 is an enlarged perspective view of the prior art rectangular twisted waveguide tube, before molding, the rectangular twisted waveguide tube 900 is a linear hollow metal square tube with a rectangular cross section, and after twisting molding, the rectangular long side of one end 910 of the rectangular twisted waveguide tube 900 is spatially perpendicular to the rectangular long side on the same side as the other end 920 thereof.
The conventional production method for manufacturing the rectangular twisted waveguide tube at present is to realize the twisting molding of the rectangular twisted waveguide tube by manual mechanical twisting or welding molding; the traditional welding forming has the defects of high design difficulty, complex working procedure, large deformation and the like; however, in the manual mechanical twisting, before the twisting, auxiliary materials such as rubber and spring steel sheet are often filled into the internal space of the rectangular twisted waveguide tube, and then one end of the rectangular twisted waveguide tube is fixed, and then the other end of the rectangular twisted waveguide tube is manually twisted around the axial direction of the rectangular twisted waveguide tube, so that the production efficiency is very low.
Moreover, the traditional mechanical twisting method relying on filling auxiliary materials has the defects of difficult operation and cleaning, large processing difficulty, high production cost and the like, and the dimensional precision and the surface quality of the inner cavity of the waveguide tube are difficult to ensure; meanwhile, in the process of mechanically twisting by hand, the material is difficult to be conducted from the twisting end to the fixed end due to the deformed internal stress, so that the internal stress is more easily concentrated, and further the pipe wall of the rectangular twisted waveguide pipe is locally deformed.
Therefore, there is still a need for improvement and development of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a wave guide's extrusion mould is turned round to rectangle can guarantee to turn round the inner chamber surface quality of wave guide to reducible its pipe wall part produces the deformation.
And simultaneously, the utility model also provides a rectangle twists extrusion equipment of wave pipe, and the machining precision is high, low in production cost.
The technical scheme of the utility model as follows: an extrusion forming die of a rectangular twisted waveguide tube is used for forming the rectangular twisted waveguide tube in an extrusion mode and consists of a fixed sub-die piece, a Y-direction movable die piece and a Z-direction movable die piece; after the fixed sub-mold section, the Y-direction movable mold section and the Z-direction movable mold section are mutually attached, a cavity surface of the rectangular twisted waveguide tube before and after being extruded and twisted is jointly formed in the fixed sub-mold section, the Y-direction movable mold section and the Z-direction movable mold section; wherein,
the fixed sub-module is provided with a first cavity surface and a second cavity surface, the first cavity surface is matched with one narrow side surface of the rectangular twisted waveguide tube before and after being extruded and twisted, the plane section of the first cavity surface is vertically intersected with the plane section of the second cavity surface at the position before the rectangular twisted waveguide tube is extruded and twisted, and the plane section of the first cavity surface is vertically intersected with the plane section of the second cavity surface at the position after the rectangular twisted waveguide tube is extruded and twisted;
a third cavity surface and a fourth cavity surface are arranged on the Y-direction moving module, the third cavity surface is matched with the other narrow side surface of the rectangular twisted waveguide tube before and after being extruded and twisted, and the plane section of the third cavity surface is vertically intersected with the plane section of the fourth cavity surface at the position before the rectangular twisted waveguide tube is extruded and twisted;
after the Y-direction movable mold half is attached to the fixed sub-mold half, the combined second cavity surface and the combined fourth cavity surface are matched with one wide side surface of the rectangular torsional waveguide tube before and after extrusion and torsion;
and a fifth cavity surface is arranged on the Z-direction moving module, and the fifth cavity surface is matched with the other wide side surface in the rectangular torsional waveguide tube before and after extrusion and torsion.
The extrusion forming die of the rectangular torsional waveguide tube is characterized in that: after the Y-direction movable mold half is jointed with the fixed sub-mold half, the plane section of the third cavity surface of the Y-direction movable mold half after the rectangular twisted wave tube is extruded and twisted expands outwards, and the third cavity surface of the Y-direction movable mold half extends into and is jointed below the plane section of the second cavity surface of the fixed sub-mold half after the rectangular twisted wave tube is extruded and twisted.
The extrusion forming die of the rectangular torsional waveguide tube is characterized in that:
the first cavity surface sequentially consists of a first front plane section, a first middle curved surface section and a first rear plane section, the joint between the first front plane section and the first middle curved surface section is in smooth transition, and the joint between the first middle curved surface section and the first rear plane section is in smooth transition; the first front plane section and the first back plane section are mutually vertical in space;
the second cavity surface is sequentially composed of a second front plane section, a second middle curved surface section and a second rear plane section, the joint between the second front plane section and the second middle curved surface section is in smooth transition, and the joint between the second middle curved surface section and the second rear plane section is in smooth transition; and the second front plane section and the second back plane section are mutually vertical in space.
The extrusion forming die of the rectangular torsional waveguide tube is characterized in that:
the third cavity surface consists of a third front plane section, a third middle curved surface section and a third rear plane section in sequence, the joint between the third front plane section and the third middle curved surface section is in smooth transition, and the joint between the third middle curved surface section and the third rear plane section is in smooth transition; the third front plane section and the third rear plane section are mutually vertical in space;
the fourth cavity surface is composed of a fourth front plane section and a fourth middle curved surface section, and the joint between the fourth front plane section and the fourth middle curved surface section is in smooth transition.
The extrusion forming die of the rectangular torsional waveguide tube is characterized in that: the area of the plane section of the fourth cavity surface of the Y-direction moving mold half is the same as that of the plane section of the second cavity surface of the fixed sub-mold half before the rectangular torsional waveguide tube is extruded and twisted.
The extrusion forming die of the rectangular torsional waveguide tube is characterized in that: the area of the curved surface section of the fourth cavity surface of the Y-direction moving mold half is smaller than one third of the area of the curved surface section of the second cavity surface of the fixed sub-mold half after the rectangular torsional waveguide tube is extruded and twisted.
The extrusion forming die of the rectangular torsional waveguide tube is characterized in that: the fifth cavity surface consists of a fifth front plane section, a fifth middle curved surface section and a fifth back plane section in sequence, the joint between the fifth front plane section and the fifth middle curved surface section is in smooth transition, and the joint between the fifth middle curved surface section and the fifth back plane section is in smooth transition; and the fifth front plane section and the fifth back plane section are mutually vertical in space.
The extrusion forming die of the rectangular torsional waveguide tube is characterized in that: the width of the Z-direction moving mold half before the rectangular twisted waveguide tube is extruded and twisted is equal to the width of the combined body of the Y-direction moving mold half and the fixed sub-mold half before the rectangular twisted waveguide tube is extruded and twisted.
The extrusion forming equipment of the rectangular torsional waveguide tube comprises a vertical punch frame and a control cabinet, wherein a Z-direction hydraulic oil cylinder in control connection with the control cabinet is vertically arranged at the upper part of the vertical punch frame along the Z-axis direction, and an extrusion forming die of any one of the rectangular torsional waveguide tubes is arranged on a working table surface of the vertical punch frame; wherein,
the worktable is provided with a fixed bottom plate, a die fixing plate is fixed on the fixed bottom plate, a guide rail pressing plate is fixed on the die fixing plate, the guide rail pressing plate is Contraband-shaped, and the lower edge of the inner side surface of the guide rail pressing plate is provided with a circle of groove; in the fixed sub-mold half, except the side face jointed with the Y-direction movable mold half, fixed sub-mold half bosses which are matched and clamped in the grooves are arranged at the lower parts of the other three side faces; y-direction movable mould section bosses which are matched and clamped in the grooves are also respectively arranged at the lower parts of the two ends of the Y-direction movable mould section;
a mounting handle used for being connected to the lower end of the Z-direction hydraulic oil cylinder is fixed on the top surface of the Z-direction movable mould half; a Y-direction hydraulic oil cylinder in control connection with the control cabinet is horizontally arranged on the fixed bottom plate along the Y-axis direction, and the front end of the Y-direction hydraulic oil cylinder is connected with the outer side surface of the Y-direction movable mould section through a corresponding connecting piece; and an X-direction hydraulic oil cylinder which is in control connection with the control cabinet is horizontally arranged along the X-axis direction, and the X-direction hydraulic oil cylinder is connected with an extrusion tool through a corresponding connecting piece.
The extrusion molding equipment of rectangle twisted waveguide pipe, wherein: the extrusion tool is composed of an ejector rod and a head of the ejector rod, the tail of the ejector rod is connected with the front end of the X-direction hydraulic oil cylinder through a corresponding connecting piece, the total length of the ejector rod and the head of the ejector rod is equal to the length of the rectangular torsional waveguide tube before extrusion forming, the width and the height of the ejector rod are respectively equal to the width and the height of the rectangular torsional waveguide tube before extrusion forming, the length of the head is equal to the length of a tail plane section of the rectangular torsional waveguide tube after extrusion forming, and four sides of the front end of the head are subjected to chamfering or filleting treatment.
The utility model provides a rectangle is turned round extrusion mould and equipment and extrusion method of wave guide owing to adopted three lamella formula extrusion moulds that can open and shut, need not from this to fill auxiliary material, and then has guaranteed the inner chamber surface quality of turning round the wave guide to reduced its pipe wall part and produced the deformation, not only the machining precision is high, low in production cost, easy operation, production efficiency height moreover, more are fit for turning round automation and the mass production of wave guide.
Drawings
FIG. 1 is an enlarged perspective view of a prior art rectangular torsional waveguide tube;
fig. 2 is a perspective view of an embodiment of the rectangular twisted waveguide tube extrusion molding die of the present invention;
fig. 3 is an exploded view of an embodiment of the rectangular twisted waveguide tube extrusion molding die of the present invention (including the rectangular twisted waveguide tube of fig. 1);
FIG. 4 is an enlarged perspective view of the stationary subpad of FIG. 3;
FIG. 5 is an enlarged perspective view of the Y-direction moving mold half of FIG. 3;
FIG. 6 is a perspective view of the movable mold half of FIG. 3 after the Y-direction movable mold half has been mated with the stationary mold sub-half;
FIG. 7 is an enlarged perspective view of the Z-direction moving mold half of FIG. 3;
fig. 8 is a perspective view of an embodiment of the rectangular twisted waveguide tube extrusion molding apparatus of the present invention;
FIG. 9 is an enlarged perspective view of a component on the countertop of FIG. 8;
FIG. 10 is an enlarged perspective view of the rail clamp of FIG. 9;
FIG. 11 is an enlarged fragmentary view of FIG. 9 after removal of the Z-shift mold half;
FIG. 12 is an enlarged perspective view of the press tool of FIG. 9;
fig. 13 is a perspective view of fig. 11 after removal of the rectangular torsion waveguide.
Detailed Description
The following detailed description and examples of the present invention are provided in connection with the accompanying drawings, which are set forth for the purpose of illustration only and are not intended to limit the invention.
As shown in fig. 2 and fig. 3, fig. 2 is a perspective view of an embodiment of a rectangular twisted waveguide tube extrusion molding die, and fig. 3 is an exploded view of an embodiment of a rectangular twisted waveguide tube extrusion molding die of the present invention (including the rectangular twisted waveguide tube in fig. 1); the extrusion molding die 100 is composed of a fixed sub-die piece 110, a Y-direction movable die piece 120 and a Z-direction movable die piece 130; after the fixed sub-mold half 110, the Y-direction movable mold half 120 and the Z-direction movable mold half 130 are attached to each other, cavity surfaces of the rectangular twisted waveguide tube 900 before and after being extruded and twisted are formed in the fixed sub-mold half, and the rectangular twisted waveguide tube 900 is formed in an extrusion manner; preferably, the assembly gap between the cavity hole after die assembly and the rectangular torsional waveguide tube 900 is not more than 0.02mm, and the surface roughness of all the cavity surfaces is not more than Ra0.8, so as to ensure the processing precision of the product; the direction of the arrow in fig. 3 is a direction of pressing the rectangular torsion waveguide tube 900 into the extrusion molding die 100.
Referring to fig. 4, fig. 4 is an enlarged perspective view of the fixed sub-mode segment of fig. 3, the fixed sub-mode segment 110 is provided with a first cavity surface 111 and a second cavity surface 112, and the first cavity surface 111 is adapted to a narrow side surface 902 of the rectangular twisted waveguide 900 of fig. 1 before and after being pressed and twisted.
Specifically, the first cavity surface 111 is sequentially composed of a first front plane section 111a, a first middle curved surface section 111b and a first rear plane section 111c, a connection between the first front plane section 111a and the first middle curved surface section 111b is in smooth transition, and a connection between the first middle curved surface section 111b and the first rear plane section 111c is in smooth transition; and the first front plane section 111a and the first rear plane section 111c are perpendicular to each other in space.
Specifically, the second cavity surface 112 is sequentially composed of a second front plane section 112a, a second middle curved surface section 112b and a second rear plane section 112c, a connection between the second front plane section 112a and the second middle curved surface section 112b is in smooth transition, and a connection between the second middle curved surface section 112b and the second rear plane section 112c is in smooth transition; and the second front plane section 112a and the second rear plane section 112c are perpendicular to each other in space.
Before the rectangular twisted waveguide tube 900 of FIG. 3 is compression twisted, the planar segment of the first cavity surface 111 (i.e., first front planar segment 111a) perpendicularly intersects the planar segment of the second cavity surface 112 (i.e., second front planar segment 112 a); and the planar segment of the first cavity surface 111 (i.e., first back planar segment 111c) intersects the planar segment of the second cavity surface 112 (i.e., second back planar segment 112c) perpendicularly after the rectangular twisted waveguide 900 is extruded and twisted.
Referring to fig. 5, fig. 5 is an enlarged perspective view of the Y-direction moving mold half of fig. 3, the view of fig. 5 being changed from the view of fig. 3 to clearly illustrate one side of the molding surface; the Y-directional moving mold half 120 is provided with a third cavity surface 121 and a fourth cavity surface 122, and the third cavity surface 121 is adapted to the other narrow side 901 of the rectangular twisted waveguide tube 900 in fig. 1 before and after being pressed and twisted.
Specifically, the third cavity surface 121 is sequentially composed of a third front plane section 121a, a third middle curved surface section 121b and a third rear plane section 121c, a connection between the third front plane section 121a and the third middle curved surface section 121b is in smooth transition, and a connection between the third middle curved surface section 121b and the third rear plane section 121c is in smooth transition; and the third front plane section 121a and the third rear plane section 121c are perpendicular to each other in space.
Specifically, the fourth cavity surface 122 is composed of a fourth front plane section 122a and a fourth middle curved surface section 122b, and a connection between the fourth front plane section 122a and the fourth middle curved surface section 122b is in smooth transition.
Before the rectangular twisted waveguide tube 900 of fig. 3 is compression twisted, the planar segment of the third cavity surface 121 (i.e., the third front planar segment 121a) perpendicularly intersects the planar segment of the fourth cavity surface 122 (i.e., the fourth front planar segment 122 a).
Referring to fig. 6, fig. 6 is an enlarged perspective view of the movable mold half in the Y direction of fig. 3 after the movable mold half 120 is attached to the fixed mold half 110, and after the movable mold half 120 and the fixed mold half 110 are combined, the second cavity surface 112 of the fixed mold half 110 and the fourth cavity surface 122 of the movable mold half 120 are matched with one wide side 904 of the rectangular twisted waveguide tube 900 of fig. 1 before and after being pressed and twisted.
Specifically, before the rectangular twisted waveguide tube 900 of fig. 3 is pressed and twisted, the second front planar segment 112a of the second cavity surface 112 and the fourth front planar segment 122a of the fourth cavity surface 122 are together matched with one wide side 904 of the rectangular twisted waveguide tube 900 of fig. 1 before being pressed and twisted; and after the rectangular twisted waveguide tube 900 of fig. 3 is pressed and twisted, the second middle curved section 112b of the second cavity surface 112 and the fourth middle curved section 122b of the fourth cavity surface 122 are matched with the curved section of one wide side 904 of the rectangular twisted waveguide tube 900 of fig. 1 after being pressed and twisted together, and the second back plane section 112c is matched with the plane section of one wide side 904 of the rectangular twisted waveguide tube 900 of fig. 1 after being pressed and twisted.
Preferably, the area of the planar segment of fourth cavity surface 122 of Y-moving mold half 120 is the same as the area of the planar segment of second cavity surface 112 of stationary sub-mold half 110 prior to compression and twisting of rectangular twisted waveguide 900 of fig. 3; i.e., the fourth cavity surface 122 the fourth front planar segment 122a has the same area as the second front planar segment 112a of the second cavity surface 112.
Preferably, the area of the curved surface segment of the fourth cavity surface 122 of the Y-movable mold half 120 is less than one third of the area of the curved surface segment of the second cavity surface 112 of the stationary sub-mold half 110 after the rectangular twisted waveguide 900 of fig. 3 is pressed and twisted; that is, the area of the fourth middle curved section 122b of the fourth cavity surface 122 is less than one third of the area of the second middle curved section 122b of the second cavity surface 112.
Furthermore, in order to improve and ensure the structural rigidity of the twisted end of the Y-directional moving mode-half 120, it is preferable that the third cavity surface 121 of the Y-directional moving mode-half 120 is expanded outward in the plane section (i.e., the third back plane section 121c) where the rectangular twisted wave-guide 900 of fig. 3 is pressed and twisted, and after the Y-directional moving mode-half 120 is attached to the fixed sub-mode-half 110, it is extended into and attached below the plane section (i.e., the second back plane section 112c) where the second cavity surface 112 of the fixed sub-mode-half 110 is pressed and twisted in the rectangular twisted wave-guide 900 of fig. 3.
FIG. 7, in conjunction with FIG. 7, is an enlarged perspective view of the Z-direction moving mold half of FIG. 3, the view of FIG. 7 being changed from that of FIG. 3 to clearly illustrate one side of the molding surface thereof; the Z-directional moving mold half 130 is provided with a fifth cavity surface 131, and the fifth cavity surface 131 is adapted to the other wide side surface 901 of the rectangular twisted waveguide tube 900 in fig. 1 before and after being pressed and twisted.
Specifically, the fifth cavity surface 131 is sequentially composed of a fifth front plane section 131a, a fifth middle curved surface section 131b and a fifth rear plane section 131c, a connection between the fifth front plane section 131a and the fifth middle curved surface section 131b is in smooth transition, and a connection between the fifth middle curved surface section 131b and the fifth rear plane section 131c is in smooth transition; and the fifth front plane segment 131a and the fifth back plane segment 131c are mutually perpendicular in space;
preferably, the width of the Z-direction moving mold half 130 before the rectangular twisted waveguide tube 900 of fig. 3 is pressed and twisted is equal to the width of the combined body of the Y-direction moving mold half 120 and the fixed sub-mold half 110 after the rectangular twisted waveguide tube 900 is pressed and twisted.
Referring to fig. 8, fig. 8 is a perspective view of an embodiment of a rectangular twisted waveguide tube extrusion molding apparatus according to the present invention; based on wave guide extrusion mould is turned round to above-mentioned rectangle, the utility model also provides a wave guide extrusion equipment is turned round to rectangle, this extrusion equipment include vertical punch press frame 700 and switch board 800, vertical punch press frame 700's upper portion is provided with the Z to hydraulic cylinder 710 with switch board 800 control connection perpendicularly along Z axle direction, be provided with hydraulic power system and the numerical control programming system that is used for controlling this Z to hydraulic cylinder 710 action in the switch board 800 be provided with the extrusion mould that the wave guide was turned round to the rectangle on vertical punch press frame 700's the table surface 720, this extrusion mould is the extrusion mould 100 in any embodiment of the aforesaid.
Referring to fig. 9, fig. 9 is an enlarged view of the components on the work bench of fig. 8, in particular, a fixing base plate 610 is mounted on the work bench 710, a mold fixing plate 620 is fixed on the fixing base plate 610 by screws, the extrusion mold 100 is positioned on the mold fixing plate 620, and a rail pressing plate 640 is fixed on the mold fixing plate 620 by screws.
Referring to fig. 10 and 11 in combination, fig. 10 is an enlarged perspective view of the guide platen of fig. 9, and fig. 11 is an enlarged view of a portion of fig. 9 after removal of the Z-direction moving mold halves; the guide pressing plate 640 has Contraband (f ā ng) shape, and a circumferential groove 641 is formed on the lower edge of the inner surface thereof to restrict five degrees of freedom of the fixed split 110 and the Y-direction movable split 120 of the extrusion mold 100 of fig. 2, except for the Y-direction movement.
In the stationary split sub-mold 110 of fig. 4, except for the side that abuts the Y-moving split sub-mold 120, the lower portions of the three other sides are provided with a stationary split sub-mold boss 113 that is attached together and adapted to snap into the groove 641 of the rail clip 640 of fig. 11 during assembly.
Similarly, in the Y-direction movable die 120 shown in fig. 5, Y-direction movable die bosses 123 are also provided on the lower portions of both ends thereof, respectively, for fitting into the grooves 641 of the rail presser 640 of fig. 11 at the time of assembly.
While the Z-direction moving die piece 130 in the extrusion mold 100 is shown in fig. 2, a mounting shank 133 is fixed to the top surface thereof by screws for connecting the Z-direction moving die piece 130 to the lower end of the Z-direction hydraulic cylinder 710 in fig. 8 at the time of assembly to move the Z-direction moving die piece 130 up and down.
A Y-direction hydraulic cylinder 510 which is connected to the control cabinet 800 of fig. 8 in a controlled manner is horizontally disposed on the fixed base plate 610 along the Y-axis direction, and the front end of the Y-direction hydraulic cylinder 510 is connected to the outer side surface of the Y-direction movable mold half 120 via a corresponding connecting member 520, for moving the Y-direction movable mold half 120 of fig. 1 back and forth.
And an X-direction hydraulic cylinder 310 which is in control connection with the control cabinet 800 of fig. 8 is horizontally arranged along the X-axis direction, and the X-direction hydraulic cylinder 310 is connected with the extrusion tool 200 of fig. 11 through a corresponding connecting piece 320, and is used for moving the extrusion tool 200 left and right to extrude the rectangular torsional waveguide 900 of fig. 3 to be twisted and formed in the extrusion forming die 100 of fig. 2.
The hydraulic power system and the numerical control programming system in the control cabinet 800 are also used for controlling the actions of the Y-direction hydraulic oil cylinder 510 and the X-direction hydraulic oil cylinder 310; the axes of the X-direction hydraulic oil cylinder 310, the Y-direction hydraulic oil cylinder 510 and the Z-direction hydraulic oil cylinder 710 are mutually vertical and intersect at a point.
If the axis of the X-direction hydraulic oil cylinder 310 is lower than the axis of the Y-direction hydraulic oil cylinder 510, an X-direction hydraulic oil cylinder fixing plate 630 may be fixed on the fixing base plate 610 by screws, and the X-direction hydraulic oil cylinder 310 may be mounted on the X-direction hydraulic oil cylinder fixing plate 630.
If the fixed base plate 610 extends out of the work table 720 of fig. 8 more because the Y-direction hydraulic cylinder 510 is provided, it is preferable that a support frame 730 is further mounted on the front side wall of the work table 720 by bolts for supporting under the fixed base plate 610 extending out of the work table 720, so as to improve the stability of the Y-direction hydraulic cylinder 510 during work.
Referring to fig. 12, fig. 12 is an enlarged perspective view of the pressing tool 200 of fig. 9, the pressing tool 200 is composed of a top bar 210 and a head 220 thereof, the tail of the top bar 210 is connected with the front end of an X-direction hydraulic cylinder 310 via a corresponding connector 320, wherein: the total length of the ejector rod 210 and the head 220 thereof is equal to the length of the rectangular twisted waveguide tube 900 in fig. 1 before extrusion molding, the width and the height of the ejector rod 210 are respectively equal to the width and the height of the rectangular twisted waveguide tube 900 in fig. 1 before extrusion molding, the length of the head 220 is equal to the length of the tail planar section (namely the planar section at the end 901) of the rectangular twisted waveguide tube 900 in fig. 1 after extrusion molding, and four sides of the front end of the head 220 are all subjected to chamfering or filleting treatment so as to be conveniently inserted into the tail of the rectangular twisted waveguide tube 900; preferably, the assembly gap between the head 220 and the rectangular torsional waveguide tube 900 is not more than 0.02mm, and the surface roughness of the outer surface of the head 220 is not more than ra0.8, so as to ensure the inner cavity surface quality of the product.
FIG. 13, in combination with FIG. 13, is a perspective view of the rectangular twisted waveguide of FIG. 11 after removal; when the extrusion tool 200 extrudes the rectangular torsional waveguide tube 900 into the final position of the extrusion mold 100 of fig. 9 under the driving of the X-direction hydraulic ram 310, the front end surface of the head 220 is flush with the joint between the first front planar section 111a and the first middle curved section 111b of the fixed sub-mold half 110 of fig. 4, or flush with the joint between the second front planar section 112a and the second middle curved section 112b of the Y-direction movable mold half 120 of fig. 5, or flush with the joint between the fifth front planar section 131a and the fifth middle curved section 131b of the Z-direction movable mold half 130 of fig. 7.
In the preferred embodiment of the rectangular twisted waveguide tube extrusion molding apparatus of the present invention, in order to further improve the structural rigidity of the extrusion molding mold 100 during mold closing, it is preferable that the tail of the fixed sub-mold 110 is provided with a first guide post 114 along the Z-axis direction, the tail of the Y-direction movable mold 120 is provided with a second guide post 124 along the Z-axis direction, and correspondingly, the tail of the Z-direction movable mold 130 in fig. 7 is provided with a first guide post hole 132 and a second guide post hole 134 which are respectively fitted over the first guide post 114 and the second guide post 124 when moving down; meanwhile, a third guide post 135 is further disposed at the front end of the Z-directional movable mold half 130 shown in fig. 3 along the Z-axis direction, and correspondingly, a third guide post sleeve 621 is disposed on the mold fixing plate 620 shown in fig. 13 and adapted to be sleeved on the third guide post 135 when the Z-directional movable mold half 130 moves downward.
In order to improve the degree of automation of the control cabinet 800, it is preferable that mutually associated Y-position sensors (511a and 511b) are respectively disposed at the rear portion of the Y-hydraulic cylinder 510 and corresponding positions of the fixed base plate 610 in fig. 9, and the Y-position sensors (511a and 511b) are in control connection with the control cabinet 800, and are used for sensing and feeding back the stop position of the front end of the Y-hydraulic cylinder 510 (or the Y-moving mold half 120) during retraction.
Similarly, the X-direction position sensors (311a and 311b) associated with each other are also respectively arranged at the tail of the X-direction hydraulic cylinder 310 and the corresponding positions of the fixed base plate 610 in fig. 9, and the X-direction position sensors (311a and 311b) are in control connection with the control cabinet 800 and are used for sensing and feeding back the stop position of the front end of the X-direction hydraulic cylinder 310 (or the pressing tool 200) during retraction.
The stopping position of the front end of the Z-direction hydraulic ram 710 (or Z-direction movable mold piece 130) in fig. 9 during retraction can be fed back and controlled by the Z-direction position sensor of the vertical press frame 700 and the control cabinet 800 in fig. 8.
Furthermore, the utility model discloses rectangle twist waveguide pipe extrusion equipment still can be as required fixed submodule lamella 110 and Y are to between the contact surface of removing mould lamella 120, Z is to between the contact surface of removing mould lamella 130 and fixed submodule lamella 110, Z is to between the contact surface of removing mould lamella 130 and Y to removing mould lamella 120, and between extrusion tool 200 and rectangle twist waveguide pipe 900's the contact surface, inlay respectively and adorn corresponding pressure sensor to with these pressure sensor with switch board 800 control connection for the pressure change near each contact surface is sensed and monitored in extrusion process, so that improve product defect, improve product quality better.
Based on above-mentioned rectangle is turned round waveguide pipe extrusion mould and extrusion equipment, the utility model also provides a rectangle is turned round waveguide pipe's extrusion method, and this extrusion method includes following step:
step A, combining the Y-direction movable mold half 120 and the fixed mold half 110 to form a first mold half assembly (i.e. the state shown in FIG. 6), and clamping the front and back surfaces of the first mold half assembly from the outer side surface of the fixed mold half 110 and the outer side surface of the Y-direction movable mold half 120;
step B, placing the linear type hollow metal square pipe on the front half part (namely the left half part of the figure 2) of the first mould half body, and sleeving one end of the hollow metal square pipe on the head part 220 of the extrusion tool 200 in the figure 12;
step C, combining the Z-direction movable mold half 130 with the first mold half combination to form a second mold half combination (i.e. the state shown in FIG. 2), and clamping the two surfaces of the second mold half combination from the common bottom surface of the fixed sub-mold half 110 and the Y-direction movable mold half 120 and the top surface of the Z-direction movable mold half 130 up and down;
d, fixing the second mold half assembly on the working table top to prevent the second mold half assembly from moving left and right; extruding the hollow metal square pipe to the rear end (i.e., the right end in fig. 2) of the second mold half united body using an extrusion tool 200;
step E, withdrawing the extrusion tool 200;
step F, loosening the clamping force on the second mold half combination body in the vertical direction, and moving away the mold half 130 in the Z direction;
step G, releasing the clamping force on the first mold half assembly in the front-rear direction, moving the movable mold half 120 in the Y direction away, and taking out the rectangular twisted waveguide 900 after the extrusion twisting (i.e., the state shown in fig. 1).
Specifically, in step a, it is checked whether the stationary split 110 is located at the innermost side of the rail clamp 640; then the control cabinet 800 is opened, under the action of the hydraulic power system and the numerical control programming system, the front end of the Y-direction hydraulic oil cylinder 510 extends out, the Y-direction movable mold half 120 is pushed to be closed with the fixed sub-mold half 110 along the opposite direction of the Y-axis to form a first mold half combination body, and a certain pressure is applied.
Specifically, in step B, a straight-type hollow metal square pipe before extrusion and torsion molding is placed in the front half portion (i.e., the left half portion in fig. 2) of the first mold half body, and one end of the hollow metal square pipe is fitted over the head portion 220 of the extrusion tool 200 in fig. 12.
Specifically, in step C, under the action of the hydraulic power system and the numerical control programming system, the front end of the Z-direction hydraulic cylinder 710 descends to push the Z-direction movable mold half 130 to close with the first mold half body along the direction opposite to the Z-axis to form a second mold half body, and a certain pressure is applied.
Specifically, in step D, under the action of the hydraulic power system and the numerical control programming system, the X extends out to the front end of the hydraulic oil cylinder 310, the extrusion tool 200 pushes the hollow metal square tube to enter the cavity of the extrusion forming mold 100 along the reverse direction of the X axis for twisting forming, and a certain pressure is applied to the stroke end point.
It should be noted that the propelling speed of the X-direction hydraulic cylinder 310 should be stable and uniform, and should not be too fast, preferably, the propelling speed of the X-direction hydraulic cylinder 310 is not more than 0.1m/min, so as to take account of product quality and production efficiency; the propelling speeds of the Y-direction hydraulic oil cylinder 510 and the Z-direction hydraulic oil cylinder 710 can be controlled to be 0.2-0.5 m/min, and are specifically selected according to actual production requirements.
Specifically, in step E, under the action of the hydraulic power system and the numerical control programming system, the front end of the X-direction hydraulic cylinder 310 retracts and drives the head 220 of the pressing tool 200 to exit in the X-axis direction and leave the tail end (i.e., the end 910 of fig. 1) of the rectangular torsion waveguide tube 900, until the control cabinet 800 stops when receiving the feedback signal of the X-direction position sensors (311a and 311 b).
Specifically, in step F, under the action of the hydraulic power system and the numerical control programming system, the front end of the Z-direction hydraulic cylinder 710 rises, and drives the Z-direction movable mold half 130 to rise along the Z-axis direction and leave the first mold half assembly, until the height set by the control cabinet 800 is reached, and the operation is stopped.
Specifically, in step G, under the action of the hydraulic power system and the numerical control programming system, the front end of the Y-directional hydraulic cylinder 510 retracts and drives the Y-directional movable mold half 120 to move along the Y-axis direction and leave the fixed sub-mold half 110, until the control cabinet 800 stops when receiving the feedback signal of the Y-directional position sensor (511a and 511 b); at this time, the rectangular twisted waveguide 900 after the press-twisting (i.e., the state shown in fig. 1) can be taken out.
It should be understood that the above description is only a preferred embodiment of the present invention, and not intended to limit the technical solutions of the present invention, and it should be understood that, for those skilled in the art, the above-mentioned additions, substitutions, changes or modifications can be made according to the above description within the spirit and principle of the present invention, for example, the hydraulic power system for controlling the actions of each hydraulic cylinder can also be disposed in the internal space of the vertical punch frame 700, and is in control connection with the external control cabinet 800, and all such additions, substitutions, changes or modifications should fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a waveguide tube is turned round to rectangle extrusion mould for turn round waveguide tube through extruded mode shaping rectangle, its characterized in that: the extrusion forming mold consists of a fixed sub-mold section, a Y-direction movable mold section and a Z-direction movable mold section; after the fixed sub-mold section, the Y-direction movable mold section and the Z-direction movable mold section are mutually attached, a cavity surface of the rectangular twisted waveguide tube before and after being extruded and twisted is jointly formed in the fixed sub-mold section, the Y-direction movable mold section and the Z-direction movable mold section; wherein,
the fixed sub-module is provided with a first cavity surface and a second cavity surface, the first cavity surface is matched with one narrow side surface of the rectangular twisted waveguide tube before and after being extruded and twisted, the plane section of the first cavity surface is vertically intersected with the plane section of the second cavity surface at the position before the rectangular twisted waveguide tube is extruded and twisted, and the plane section of the first cavity surface is vertically intersected with the plane section of the second cavity surface at the position after the rectangular twisted waveguide tube is extruded and twisted;
a third cavity surface and a fourth cavity surface are arranged on the Y-direction moving module, the third cavity surface is matched with the other narrow side surface of the rectangular twisted waveguide tube before and after being extruded and twisted, and the plane section of the third cavity surface is vertically intersected with the plane section of the fourth cavity surface at the position before the rectangular twisted waveguide tube is extruded and twisted;
after the Y-direction movable mold half is attached to the fixed sub-mold half, the combined second cavity surface and the combined fourth cavity surface are matched with one wide side surface of the rectangular torsional waveguide tube before and after extrusion and torsion;
and a fifth cavity surface is arranged on the Z-direction moving module, and the fifth cavity surface is matched with the other wide side surface in the rectangular torsional waveguide tube before and after extrusion and torsion.
2. The extrusion molding die of a rectangular twisted waveguide tube according to claim 1, wherein: after the Y-direction movable mold half is jointed with the fixed sub-mold half, the plane section of the third cavity surface of the Y-direction movable mold half after the rectangular twisted wave tube is extruded and twisted expands outwards, and the third cavity surface of the Y-direction movable mold half extends into and is jointed below the plane section of the second cavity surface of the fixed sub-mold half after the rectangular twisted wave tube is extruded and twisted.
3. The extrusion molding die of a rectangular twisted waveguide tube according to claim 1, wherein:
the first cavity surface sequentially consists of a first front plane section, a first middle curved surface section and a first rear plane section, the joint between the first front plane section and the first middle curved surface section is in smooth transition, and the joint between the first middle curved surface section and the first rear plane section is in smooth transition; the first front plane section and the first back plane section are mutually vertical in space;
the second cavity surface is sequentially composed of a second front plane section, a second middle curved surface section and a second rear plane section, the joint between the second front plane section and the second middle curved surface section is in smooth transition, and the joint between the second middle curved surface section and the second rear plane section is in smooth transition; and the second front plane section and the second back plane section are mutually vertical in space.
4. The extrusion molding die of a rectangular twisted waveguide tube according to claim 1, wherein:
the third cavity surface consists of a third front plane section, a third middle curved surface section and a third rear plane section in sequence, the joint between the third front plane section and the third middle curved surface section is in smooth transition, and the joint between the third middle curved surface section and the third rear plane section is in smooth transition; the third front plane section and the third rear plane section are mutually vertical in space;
the fourth cavity surface is composed of a fourth front plane section and a fourth middle curved surface section, and the joint between the fourth front plane section and the fourth middle curved surface section is in smooth transition.
5. The extrusion molding die of a rectangular twisted waveguide tube according to claim 1, wherein: the area of the plane section of the fourth cavity surface of the Y-direction moving mold half is the same as that of the plane section of the second cavity surface of the fixed sub-mold half before the rectangular torsional waveguide tube is extruded and twisted.
6. The extrusion molding die of a rectangular twisted waveguide tube according to claim 1, wherein: the area of the curved surface section of the fourth cavity surface of the Y-direction moving mold half is smaller than one third of the area of the curved surface section of the second cavity surface of the fixed sub-mold half after the rectangular torsional waveguide tube is extruded and twisted.
7. The extrusion molding die of a rectangular twisted waveguide tube according to claim 1, wherein: the fifth cavity surface consists of a fifth front plane section, a fifth middle curved surface section and a fifth back plane section in sequence, the joint between the fifth front plane section and the fifth middle curved surface section is in smooth transition, and the joint between the fifth middle curved surface section and the fifth back plane section is in smooth transition; and the fifth front plane section and the fifth back plane section are mutually vertical in space.
8. The extrusion molding die of a rectangular twisted waveguide tube according to claim 1, wherein: the width of the Z-direction moving mold half before the rectangular twisted waveguide tube is extruded and twisted is equal to the width of the combined body of the Y-direction moving mold half and the fixed sub-mold half before the rectangular twisted waveguide tube is extruded and twisted.
9. The utility model provides an extrusion equipment of rectangular twisted wave pipe which characterized in that: the rectangular torsional waveguide tube extrusion molding device comprises a vertical punch press frame and a control cabinet, wherein a Z-direction hydraulic oil cylinder in control connection with the control cabinet is vertically arranged at the upper part of the vertical punch press frame along the Z-axis direction, and an extrusion molding die of the rectangular torsional waveguide tube as claimed in any one of claims 1 to 8 is arranged on a working table surface of the vertical punch press frame; wherein,
the worktable is provided with a fixed bottom plate, a die fixing plate is fixed on the fixed bottom plate, a guide rail pressing plate is fixed on the die fixing plate, the guide rail pressing plate is Contraband-shaped, and the lower edge of the inner side surface of the guide rail pressing plate is provided with a circle of groove; in the fixed sub-mold half, except the side face jointed with the Y-direction movable mold half, fixed sub-mold half bosses which are matched and clamped in the grooves are arranged at the lower parts of the other three side faces; y-direction movable mould section bosses which are matched and clamped in the grooves are also respectively arranged at the lower parts of the two ends of the Y-direction movable mould section;
a mounting handle used for being connected to the lower end of the Z-direction hydraulic oil cylinder is fixed on the top surface of the Z-direction movable mould half; a Y-direction hydraulic oil cylinder in control connection with the control cabinet is horizontally arranged on the fixed bottom plate along the Y-axis direction, and the front end of the Y-direction hydraulic oil cylinder is connected with the outer side surface of the Y-direction movable mould section through a corresponding connecting piece; and an X-direction hydraulic oil cylinder which is in control connection with the control cabinet is horizontally arranged along the X-axis direction, and the X-direction hydraulic oil cylinder is connected with an extrusion tool through a corresponding connecting piece.
10. The extrusion molding apparatus of a rectangular twisted waveguide tube as claimed in claim 9, wherein: the extrusion tool is composed of an ejector rod and a head of the ejector rod, the tail of the ejector rod is connected with the front end of the X-direction hydraulic oil cylinder through a corresponding connecting piece, the total length of the ejector rod and the head of the ejector rod is equal to the length of the rectangular torsional waveguide tube before extrusion forming, the width and the height of the ejector rod are respectively equal to the width and the height of the rectangular torsional waveguide tube before extrusion forming, the length of the head is equal to the length of a tail plane section of the rectangular torsional waveguide tube after extrusion forming, and four sides of the front end of the head are subjected to chamfering or filleting treatment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821544173.XU CN208906218U (en) | 2018-09-21 | 2018-09-21 | The extrusion molding dies and equipment of rectangle waveguide twist |
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| CN201821544173.XU CN208906218U (en) | 2018-09-21 | 2018-09-21 | The extrusion molding dies and equipment of rectangle waveguide twist |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013736A (en) * | 2018-09-21 | 2018-12-18 | 南京吉凯微波技术有限公司 | The extrusion molding dies and equipment and extrusion process of rectangle waveguide twist |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109013736A (en) * | 2018-09-21 | 2018-12-18 | 南京吉凯微波技术有限公司 | The extrusion molding dies and equipment and extrusion process of rectangle waveguide twist |
| CN109013736B (en) * | 2018-09-21 | 2023-12-19 | 南京吉凯微波技术有限公司 | Extrusion molding die and device for rectangular torsion waveguide tube and extrusion molding method |
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