CN209531741U - A kind of rod extrusion molded test device - Google Patents
A kind of rod extrusion molded test device Download PDFInfo
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- CN209531741U CN209531741U CN201920270278.9U CN201920270278U CN209531741U CN 209531741 U CN209531741 U CN 209531741U CN 201920270278 U CN201920270278 U CN 201920270278U CN 209531741 U CN209531741 U CN 209531741U
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- extrusion cylinder
- extrusion
- pedestal
- plate
- test device
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Abstract
The utility model embodiment discloses a kind of rod extrusion molded test device, the rod extrusion molded test device includes: cope plate, pedestal, guide pillars and bushes, guide post is connect with cope plate interference, guide sleeve is connect with pedestal interference, guide pillar spring is installed between cope plate and pedestal, guide sleeve and guide post are set in guide pillar spring, guide post insertion guide sleeve is simultaneously free to slide in guide sleeve, the cope plate bottom center is fixedly installed punch-pin, the pedestal center is provided with extrusion cylinder, cavity plate is offered on extrusion cylinder, multiple heating rods are provided in extrusion cylinder, squeezing cope plate can make in punch-pin insertion extrusion cylinder.The utility model embodiment solves the problems, such as that existing rod extrusion directional error is big, stress ambiguity is clear, cannot accurately control mold temperature and carries out hot extrusion.
Description
Technical field
The utility model embodiment is related to mold manufacture field, and in particular to a kind of rod extrusion molded test device.
Background technique
It is a kind of technologically advanced pressure processing craft, traditional blank material extrusion process in mechanical industry hot extrusion technique
In the process, the heating for first carrying out extrusion billet, is put into the mold of pressurizing unit after reaching plastic deformation temperatures, squeezes dress
It sets and blank material is squeezed.
But conventional extruded device is in use, only heats to being extruded blank, to mold without heating
Or the heating temperature of mold cannot be controlled accurately, be easy to make blank and mold contact portion cooling very fast, reduce blank at
Shape, forming quality and forming accuracy, and the accuracy of experiment basis data is influenced, the stress ambiguity of blank and mold
Clear, convex mould surface pressure cannot be measured and be adjusted in real time, and the error that pressurizing unit occurs will will lead to the hair of compression moulding
Blank does not meet production or requirement of experiment, and will cause experimental data inaccuracy, is not available, causes to waste.
Utility model content
For this purpose, the utility model embodiment provides a kind of rod extrusion molded test device, to solve existing rod extrusion
Directional error is big, stress ambiguity is clear, cannot accurately control mold temperature carries out hot extrusion.
To achieve the goals above, the embodiments of the present invention provides the following technical solutions:
In the embodiments of the present invention, a kind of rod extrusion molded test device is provided, comprising: template, bottom
Seat, guide pillars and bushes, guide post are connect with cope plate interference, and guide sleeve is connect with pedestal interference, is equipped between cope plate and pedestal
Guide pillar spring, guide sleeve and guide post are set in guide pillar spring, and guide post is inserted into guide sleeve and free to slide in guide sleeve, the cope plate
Bottom center is fixedly installed punch-pin, and the pedestal center is provided with extrusion cylinder, offers cavity plate on extrusion cylinder, inside extrusion cylinder
Multiple heating rods are provided with, the punch-pin of cope plate is corresponding with the cavity plate on pedestal extrusion cylinder, and punch-pin can be made by squeezing cope plate
It is inserted into extrusion cylinder.
Preferably, the cope plate two sides are equipped with upper limit position block, and pedestal two sides are equipped with lower position block, the same side
The upper limit position block on side is corresponding in the vertical direction with lower position block.
Preferably, the cope plate bottom center is fixed with male mold support seat by screw, and male mold support seat bottom passes through
Screw is equipped with punch-pin cover board, and accommodating cavity, installation in accommodating cavity are formed on male mold support seat, punch-pin cover board and cope plate bottom
Pressure sensor, punch-pin are plugged in punch-pin cover board bottom, and one end and the pressure sensor of punch-pin fit.
Preferably, the pedestal center is provided with extrusion cylinder, and extrusion cylinder is fixed on the base by cavity plate pressing plate, described to squeeze
Pressure cylinder includes extrusion cylinder liner and extrusion cylinder outer lining, and extrusion cylinder liner and extrusion cylinder outer lining interference fit assemble, extrusion cylinder liner
Bottom center opens up cavity plate.
Preferably, the female bottom is provided with die plate insert, and the inner wall of die plate insert and extrusion cylinder liner fits, recessed
Mould insert bottom is provided with cushion block.
Preferably, more heating rods are surrounded with inside the extrusion cylinder outer lining, the bottom of heating rod connects power supply line,
Open up fluted on pedestal, power supply line is pierced by from groove, and ceramic tube and asbestos pipe are successively wrapped up in the outside of power supply line.
Preferably, the cavity plate side wall is provided with thermocouple, and the thermocouple is horizontally through extrusion cylinder liner and extrusion cylinder
Outer lining, thermocouple are pierced by one end connection central processing unit of extrusion cylinder outer lining.
Preferably, the first mica thermal insulation board, the extrusion cylinder and cavity plate pressing plate are provided between the extrusion cylinder and pedestal
Pressing position between be provided with the second mica thermal insulation board, the gap between the extrusion cylinder and cavity plate pressing plate is fine filled with asbestos
Tie up thermal insulating filling.
Embodiment according to the present utility model, the rod extrusion molded test device have the advantages that
The utility model embodiment discloses a kind of rod extrusion molded test device, the punch-pin of cope plate and pedestal it is recessed
Mould is corresponding, and pressing cope plate moves downward punch-pin, carries out extrusion forming to bar, the heating rod inside extrusion cylinder outer lining adds
Hot cavity plate, guarantees that bar maintains moulding temperature in extrusion process, is precisely controlled mold temperature by thermocouple, improves molding matter
Amount, guide post freely moves back and forth in guide sleeve guarantees that punch-pin is accurately docked with extrusion cylinder, reduces error, upper limit position block and lower limit
Block cooperation is limited, control squeeze height, punch-pin connection pressure sensor can Exactitudes Measurement Pressure Value, closed according to stress
The pressure for acting on cope plate is adjusted flexibly in system, reaches optimum pressure value, the bar after making extrusion forming meets use demand, mentions
Rate of good quality rate.
Detailed description of the invention
It, below will be to reality in order to illustrate more clearly of the embodiments of the present invention or technical solution in the prior art
It applies mode or attached drawing needed to be used in the description of the prior art is briefly described.It should be evident that attached in being described below
Figure is only exemplary, for those of ordinary skill in the art, without creative efforts, can be with
It is extended according to the attached drawing of offer and obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the utility model enforceable qualifications, therefore does not have technology
On essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the utility model institute energy
Under the effect of generation and the purpose that can reach, it should all still fall in the revealed technology contents of the utility model and obtain the model that can cover
In enclosing.
Fig. 1 is a kind of three-dimensional structure diagram for rod extrusion molded test device that the embodiments of the present invention provide；
Fig. 2 is a kind of side bottom view for rod extrusion molded test device that the embodiments of the present invention provide；
Fig. 3 is a kind of cross-sectional view for rod extrusion molded test device that the embodiments of the present invention provide；
Fig. 4 is a kind of understructure figure for rod extrusion molded test device that the embodiments of the present invention provide；
Fig. 5 is a kind of heating rod arrangement signal for rod extrusion molded test device that the embodiments of the present invention provide
Figure.
Fig. 6 is a kind of heating rod control connection for rod extrusion molded test device that the embodiments of the present invention provide
Figure.
In figure: 1. cope plates, 2. pressure sensors, 3. male mold support seats, 4. punch-pin cover boards, 5. guide posts, 6. punch-pin, 7. heat
Galvanic couple, 8. extrusion cylinder outer linings, 9. guide sleeves, 10. cavity plate pressing plates, 11. first mica thermal insulation boards, 12. guide pillar springs, 13. pedestals,
14. cushion block, 15. die plate inserts, 16. extrusion cylinder liners, 17. heating rods, 18. asbestos fibre thermal insulating fillings, 19. lower position blocks,
20. the second mica thermal insulation board, 21. upper limit position blocks, 22. extrusion cylinders, 23. cavity plates, 24. grooves, 25. power supply lines.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily, it is clear that described embodiment is
The utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the utility model protection
Range.
The term of cited such as "upper", "lower", "left", "right", " centre ", is merely convenient to describe in this specification
Be illustrated, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the utility model.
Embodiment
With reference to Fig. 1 and Fig. 2, present embodiment discloses a kind of rod extrusion molded test device, the rod extrusion molding
Experimental rig includes: cope plate 1, pedestal 13, guide post 5 and guide sleeve 9, and guide post 5 is connect with 1 interference of cope plate, guide sleeve 9 and pedestal 13
Interference connection, is equipped with guide pillar spring 12 between cope plate 1 and pedestal 13, guide sleeve 9 and guide post 5 are set in guide pillar spring 12,
The insertion guide sleeve 9 of guide post 5 is simultaneously free to slide in guide sleeve 9, and 1 bottom center of cope plate is fixedly installed punch-pin 6, the pedestal
13 centers are provided with extrusion cylinder 22, and cavity plate 23 is offered on extrusion cylinder 22, and press ram acts perpendicularly to cope plate 1, are pressing
Under the action of power machine formed punch, guide pillar spring 12 is compressed, and guide post 5 is moved downward along guide sleeve 9, and the punch-pin 6 on cope plate 1 enters
In extrusion cylinder 22, extruded bar stock.1 two sides of cope plate are equipped with upper limit position block 21, and 13 two sides of pedestal are equipped with lower limit
Position block 19, the upper limit position block 21 of same side is corresponding in the vertical direction with lower position block 19, upper limit position block 21 and lower limit
Block 19 cooperates control extruding highly, meanwhile, the move distance of punch-pin 6 can be changed by adding gasket on lower position block 19,
Extruding height is adjusted flexibly.
With reference to Fig. 3,1 bottom center of cope plate is fixed with male mold support seat 3,3 bottom of male mold support seat by screw
Punch-pin cover board 4 is installed by screw, accommodating cavity is formed on male mold support seat 3, punch-pin cover board 4 and 1 bottom of cope plate, accommodates empty
Intracavitary installation pressure sensor 2, punch-pin 6 are plugged in 4 bottom of punch-pin cover board, and one end and the pressure sensor 2 of punch-pin 6 fit,
During 6 extruded bar stock of punch-pin, pressure sensor 2 in real time grasp and squeeze by showing that equipment is shown by acquisition pressure value
Stress relationship between pressure device and bar adjusts press ram according to the bar and its mechanical characteristic of unlike material in time
Act on the pressure value of cope plate 1.
13 center of pedestal is provided with extrusion cylinder 22, and extrusion cylinder 22 is fixed on pedestal 13 by cavity plate pressing plate 10, institute
It states extrusion cylinder 22 and includes extrusion cylinder liner 16 and extrusion cylinder outer lining 8, extrusion cylinder liner 16 and 8 interference fit group of extrusion cylinder outer lining
Dress provides precompression, and extrusion cylinder outer lining 8 wraps up extrusion cylinder liner 16, and 16 center of extrusion cylinder liner opens up cavity plate 23, the cavity plate
23 bottoms are provided with die plate insert 15, and die plate insert 15 and the inner wall of extrusion cylinder liner 16 fit, and 15 bottom of die plate insert is set
It is equipped with cushion block 14, die plate insert 15 realizes the squeeze test of different extrusion ratios by changing diameter dimension, and cushion block 14 is according to cavity plate
The size of insert 15 is adjusted.
With reference to Fig. 4 and Fig. 5, the extrusion cylinder outer lining 8 is internally provided with more heating rods 17, the bottom connection of heating rod 17
Power supply line 25 opens up fluted 24 on pedestal 13, and power supply line 25 is pierced by from groove 24, and ceramics are successively wrapped up in the outside of power supply line 25
Pipe and asbestos pipe protect power supply line 25, prevent 17 high temperature of heating rod from damaging to power supply line 25,23 side of cavity plate
Wall is provided with thermocouple 7, and the thermocouple 7 is horizontally through extrusion cylinder liner 16 and extrusion cylinder outer lining 8；With reference to Fig. 6, thermocouple 7
It is pierced by one end connection central processing unit of extrusion cylinder outer lining 8, thermocouple 7 measures the temperature in cavity plate 23, temperature signal is converted
It is sent to central processing unit for low-voltage signal, central processing unit connects relay, and relay controls the on/off of heating rod 17,
Central processing unit is compared according to the temperature value of setting with the temperature value that thermocouple 7 measures, and controls relay after the completion of comparing
It turns on and off, so as to adjust heating temperature, realizes the temperature control of extrusion cylinder 22.
Bar is heated to squeezing temperature in vacuum furnace, and extrusion cylinder 22 is preheated to extruding temperature in advance, by bar from
It is transferred to extrusion cylinder 22 in vacuum furnace, while placing the graphite block for being heated to squeezing temperature on bar, helps to take off
Mould is simultaneously thermally shielded.
The first mica thermal insulation board 11, the extrusion cylinder 22 and cavity plate pressing plate are provided between the extrusion cylinder 22 and pedestal 13
The second mica thermal insulation board 20 is provided between 10 pressing position, the gap filling between the extrusion cylinder 22 and cavity plate pressing plate 10
There is asbestos fibre thermal insulating filling 18, makes sufficiently heat-insulated between extrusion cylinder 22 and pedestal 13, guarantee heating efficiency, cloth on the outside of extrusion cylinder
Heat-barrier material is set, reduces and distributes heat into air.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (8)
1. a kind of rod extrusion molded test device, which is characterized in that the rod extrusion molded test device includes: cope plate
(1), pedestal (13), guide post (5) and guide sleeve (9), guide post (5) are connect with cope plate (1) interference, guide sleeve (9) and pedestal (13) mistake
It is full of connection, is equipped between cope plate (1) and pedestal (13) guide pillar spring (12), guide sleeve (9) and guide post (5) are set in guide post bullet
In spring (12), guide post (5) insertion is guide sleeve (9) and free to slide in guide sleeve (9), and cope plate (1) the bottom center fixation is set
It is equipped with punch-pin (6), pedestal (13) center is provided with extrusion cylinder (22), is offered on extrusion cylinder (22) cavity plate (23), is squeezed
Cylinder (22) is internally provided with multiple heating rods (17), the punch-pin (6) and the cavity plate on pedestal (13) extrusion cylinder (22) of cope plate (1)
(23) corresponding, squeezing cope plate (1) can make in punch-pin (6) insertion extrusion cylinder (22).
2. a kind of rod extrusion molded test device as described in claim 1, which is characterized in that cope plate (1) two sides
While being equipped with upper limit position block (21), pedestal (13) two sides are equipped with lower position block (19), the upper limit position block (21) of same side
It is corresponding in the vertical direction with lower position block (19).
3. a kind of rod extrusion molded test device as described in claim 1, which is characterized in that cope plate (1) bottom
Center is fixed with male mold support seat (3) by screw, and male mold support seat (3) bottom is equipped with punch-pin cover board (4) by screw, convex
Accommodating cavity is formed on mould support base (3), punch-pin cover board (4) and cope plate (1) bottom, installs pressure sensor in accommodating cavity
(2), punch-pin (6) is plugged in punch-pin cover board (4) bottom, and one end and the pressure sensor (2) of punch-pin (6) fit.
4. a kind of rod extrusion molded test device as described in claim 1, which is characterized in that pedestal (13) center is set
It is equipped with extrusion cylinder (22), extrusion cylinder (22) is fixed on pedestal (13) by cavity plate pressing plate (10), and the extrusion cylinder (22) includes
Extrusion cylinder liner (16) and extrusion cylinder outer lining (8), extrusion cylinder liner (16) and extrusion cylinder outer lining (8) interference fit assemble, and squeeze
Cylinder liner (16) bottom center opens up cavity plate (23).
5. a kind of rod extrusion molded test device as claimed in claim 4, which is characterized in that cavity plate (23) bottom is set
It is equipped with die plate insert (15), die plate insert (15) and the inner wall of extrusion cylinder liner (16) fit, and die plate insert (15) bottom is set
It is equipped with cushion block (14).
6. a kind of rod extrusion molded test device as claimed in claim 4, which is characterized in that the extrusion cylinder outer lining (8)
Inside is surrounded with more heating rods (17), and the bottom of heating rod (17) connects power supply line (25), and pedestal offers on (13)
Groove (24), power supply line (25) are pierced by from groove (24), and ceramic tube and asbestos pipe are successively wrapped up in the outside of power supply line (25).
7. a kind of rod extrusion molded test device as claimed in claim 4, which is characterized in that cavity plate (23) side wall is set
It is equipped with thermocouple (7), the thermocouple (7) is horizontally through extrusion cylinder liner (16) and extrusion cylinder outer lining (8), and thermocouple (7) is worn
One end of extrusion cylinder outer lining (8) connects central processing unit out.
8. a kind of rod extrusion molded test device as described in claim 1, which is characterized in that the extrusion cylinder (22) and bottom
It is provided with the first mica thermal insulation board (11) between seat (13), between the extrusion cylinder (22) and the pressing position of cavity plate pressing plate (10)
It is provided with the second mica thermal insulation board (20), the gap between the extrusion cylinder (22) and cavity plate pressing plate (10) is filled with asbestos fibre
Thermal insulating filling (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270278.9U CN209531741U (en) | 2019-03-04 | 2019-03-04 | A kind of rod extrusion molded test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270278.9U CN209531741U (en) | 2019-03-04 | 2019-03-04 | A kind of rod extrusion molded test device |
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| Publication Number | Publication Date |
|---|---|
| CN209531741U true CN209531741U (en) | 2019-10-25 |
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ID=68274696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920270278.9U Expired - Fee Related CN209531741U (en) | 2019-03-04 | 2019-03-04 | A kind of rod extrusion molded test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209531741U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802124A (en) * | 2019-11-23 | 2020-02-18 | 湖南展冠建材有限责任公司 | Extrusion die for producing aluminum frame profile |
| CN112872272A (en) * | 2021-02-20 | 2021-06-01 | 无锡透平叶片有限公司 | Large-scale round die holder with heating mechanism and heating method of large-scale round die holder |
| CN113211701A (en) * | 2021-02-05 | 2021-08-06 | 江苏大学 | PEKK powder hot-pressing forming die and forming method based on universal testing machine |
-
2019
- 2019-03-04 CN CN201920270278.9U patent/CN209531741U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110802124A (en) * | 2019-11-23 | 2020-02-18 | 湖南展冠建材有限责任公司 | Extrusion die for producing aluminum frame profile |
| CN113211701A (en) * | 2021-02-05 | 2021-08-06 | 江苏大学 | PEKK powder hot-pressing forming die and forming method based on universal testing machine |
| CN113211701B (en) * | 2021-02-05 | 2022-06-24 | 江苏大学 | PEKK powder hot-pressing forming die and forming method based on universal testing machine |
| CN112872272A (en) * | 2021-02-20 | 2021-06-01 | 无锡透平叶片有限公司 | Large-scale round die holder with heating mechanism and heating method of large-scale round die holder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20200304 |