CN102463445B - Machining method for temperature measuring holes of extrusion cylinder of aluminum extruder and radial positioning hanger - Google Patents
Machining method for temperature measuring holes of extrusion cylinder of aluminum extruder and radial positioning hanger Download PDFInfo
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- CN102463445B CN102463445B CN 201010538044 CN201010538044A CN102463445B CN 102463445 B CN102463445 B CN 102463445B CN 201010538044 CN201010538044 CN 201010538044 CN 201010538044 A CN201010538044 A CN 201010538044A CN 102463445 B CN102463445 B CN 102463445B
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Abstract
The invention discloses a machining method for temperature measuring holes of an extrusion cylinder of an aluminum extruder. In the method, before the tempering heat treatment of an outer cylinder, a medium cylinder and an inner cylinder of the extrusion cylinder, the temperature measuring holes are drilled. The method comprises the following steps of: 1, drilling a temperature measuring hole on the outer cylinder; 2, performing the tempering heat treatment on the outer cylinder; 3, drilling the temperature measuring hole on the medium cylinder; 4, performing the tempering heat treatment on the medium cylinder; 5, performing hot shrinkage on the medium cylinder and the inner cylinder integrally to form a medium inner cylinder; and 6, performing the hot shrinkage on the outer cylinder and the medium inner cylinder, so that the coaxiality of the temperature measuring holes on the outer cylinder and the medium cylinder meets the requirement of accuracy. In the method, the temperature measuring holes on the outer cylinder and the medium cylinder are machined before tempering, and the temperature measuring holes on the outer cylinder are enlarged; therefore, the situation of drilling under the condition of high hardness can be avoided, the machining difficulty can be reduced greatly, the production time can be saved, the loss of cutters can be reduced, and the machining cost can be reduced. The invention also discloses a radial positioning hanger for the temperature measuring holes.
Description
Technical field
The present invention relates to a kind of manufacture method of extrusion cylinder of aluminum extruder, be specifically related to a kind of processing method of temperature measuring holes of extrusion cylinder of aluminum extruder.The invention still further relates to a kind of radial positioning hanger of the thermometer hole for this processing method.
Background technology
The recipient of aluminium extruding machine is the work room that metal is pushed, and is the container that holds billet in the extrusion process, bears the effect of high temperature, high pressure, is the large-scale component by the Thermal-resistance tool steel making.In the extrusion process, the temperature of recipient reaches more than 500 ℃, and it is large to bear unit pressure, so the condition of work of recipient is abominable.For making the inside and outside wall stress of recipient even, generally adopt the multiple field recipient.Existing recipient generally is comprised of three layers of urceolus, middle cylinder, inner core, and each layer hardness reaches more than the HRC50 after the heat treatment.Recipient is provided with thermometer hole, and thermometer hole passes urceolus, middle cylinder reaches inner core.Thermometer hole is used for inserting thermocouple, when complete machine moves the inner core temperature is monitored.
For guaranteeing that thermocouple can accurately pass urceolus and middle cylinder, the processing method of existing thermometer hole is, thermometer hole is after each hot jacket assembling is finished, and urceolus 11 and middle cylinder 12 together bore, and guarantee that with this urceolus 11 is coaxial with middle 12 hole, as shown in Figure 1.The advantage of this processing method is that the hole of urceolus 11 and middle cylinder 23 once is drilled to, and can guarantee two hole axialities, makes thermocouple can pass smoothly two and arrives inner core.
But before the assembling of three cylinder hot jackets, each needs carries out first modified heat treatment, modified after, the hardness of each uprises, and will reach more than the HRC50; Add that material that recipient uses is generally alloy tool steel, mechanical performance is relatively good, and this also means processing difficulties, and the MO that contains in the alloy, Si, V can reduce the thermal conductivity factor of material, is unfavorable for the processing heat radiation.All so that the boring after modified becomes very difficult, the drill bit loss is serious for these.And the high rigidity drilling need to be used expensive import drill bit, and such high attrition rate has equally also increased the production cycle not only so that processing cost increases greatly, affects production efficiency.
Summary of the invention
Technical problem to be solved by this invention provides a kind of processing method of temperature measuring holes of extrusion cylinder of aluminum extruder, and it can reduce difficulty of processing, reduces the loss of cutter.
For solving the problems of the technologies described above, the technical solution of the processing method of temperature measuring holes of extrusion cylinder of aluminum extruder of the present invention is:
Before the urceolus of recipient, middle cylinder, three cylinders of inner core carry out modified heat treatment, carry out the Drilling operation of thermometer hole, may further comprise the steps:
The first step is carried out the boring of thermometer hole at urceolus;
Second step carries out modified heat treatment to urceolus;
In the 3rd step, according to the position of thermometer hole on the urceolus, draw each thermometer hole line at middle cylinder; Carry out the boring of thermometer hole at middle cylinder; The diameter of the thermometer hole that on middle cylinder, bores less than urceolus on the diameter of thermometer hole.
In the 4th step, the centering cylinder carries out modified heat treatment;
The 5th step was integrated middle cylinder and the assembling of inner core hot jacket, became middle inner core;
The 6th step, urceolus and middle inner core are carried out the hot jacket assembling, make the thermometer hole axiality on urceolus and the middle cylinder meet required precision.
It is as follows to make thermometer hole axiality on urceolus and the middle cylinder meet the method for required precision:
The radial positioning hanger of step 3, employing thermometer hole carries out radial location;
Stir interior locating piece with long rod, middle inner core is rotated with respect to urceolus, make the interior locating piece of middle cylinder upper surface and the outside fix piece of urceolus upper surface be close to the radial location of inner core and urceolus in the realization.
The present invention also provides a kind of radial positioning hanger of thermometer hole of the processing method for temperature measuring holes of extrusion cylinder of aluminum extruder, and its technical solution is:
Comprise outside fix piece, interior locating piece, top board, lower platen; The outside fix piece is fixedly installed on the upper surface of urceolus, and the extended line of a side of outside fix piece is by the center of circle of urceolus; Interior locating piece is fixedly installed on the upper surface of middle cylinder, and the extended line of a side of interior locating piece is by the center of circle of middle cylinder; Top board, lower platen are fixedly installed on respectively the upper and lower end face of inner core; The interior locating piece of middle cylinder upper surface is fixedly connected with the top board of inner core upper surface; Be provided with long rod on the inner core.
Described outside fix piece is fan-shaped.
Described top board is fixedly connected with inner core by locking device, and locking device comprises stretching piece, bracer body; The stretching piece is arranged in the centre bore of inner core upper end, is provided with the bracer body in the stretching piece, and the bracer body matches with the stretching piece, and the contact-making surface between bracer body and the stretching piece is wedge shape; The end face of bracer body is higher than the end face of stretching piece; The bottom surface of top board contacts with the end face of bracer body; Be fixedly connected with by clamping screw between top board and the stretching piece.
The technique effect that the present invention can reach is:
The present invention is when the urceolus of recipient, middle cylinder, inner core assembling, and is first that middle cylinder is good with the inner core hot jacket, the middle inner core that will package again and the assembling of urceolus hot jacket; The axial location of middle inner core and urceolus is utilized each ladder own, and cooperation is rule and realized; The radial location of middle inner core and urceolus utilizes the radial positioning hanger of thermometer hole of the present invention, can guarantee the axiality of two upper thermometer holes, thereby guarantees that thermocouple can pass urceolus and middle cylinder reaches inner core, satisfies instructions for use.
The present invention frontly processes first thermometer hole on the urceolus and the thermometer hole on the middle cylinder modified, and the thermometer hole of urceolus is amplified, and can avoid holing under the high rigidity condition, can greatly reduce difficulty of processing, save the production time, reduce the loss of cutter, cut down finished cost.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the schematic diagram of the processing method of prior art temperature measuring holes of extrusion cylinder of aluminum extruder;
Fig. 2 is the schematic diagram of the processing method of temperature measuring holes of extrusion cylinder of aluminum extruder of the present invention;
Fig. 3 is the structural representation of the radial positioning hanger of thermometer hole of the present invention;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the top view of Fig. 3.
Description of reference numerals among the figure:
1 is the outside fix piece, and 2 is interior locating piece,
3 is the stretching piece, and 4 is the bracer body,
5 is top board, and 6 is lower platen,
11 is urceolus, and 12 is middle cylinder,
13 is inner core, and 20 are long rod,
21 is suspension hook.
The specific embodiment
The processing method of temperature measuring holes of extrusion cylinder of aluminum extruder of the present invention before the urceolus 11 of recipient, middle cylinder 12,13 3 cylinders of inner core carry out modified heat treatment, is carried out the Drilling operation of thermometer hole, may further comprise the steps:
1, before urceolus 11 modified heat treatments, carry out the boring of thermometer hole at urceolus 11, the diameter of thermometer hole is greater than the diameter of existing thermometer hole on the urceolus 11;
2, urceolus 11 is carried out modified heat treatment; Modified rear each thermometer hole line of heavy stroke of urceolus, and the hole line caused end face;
3, according to the position of thermometer hole on the urceolus 11, rule at middle cylinder 12; Carry out the boring of thermometer hole at middle cylinder 12, the diameter of thermometer hole is identical with the diameter of existing thermometer hole on the middle cylinder 12;
4, centering cylinder 12 carries out modified heat treatment;
5, middle cylinder 12 and the assembling of inner core 13 hot jackets are integrated, become middle inner core;
6, urceolus 11 and middle inner core are carried out the hot jacket assembling, the end face of urceolus 11 is alignd with groove on the middle cylinder 12, as shown in Figure 2, thereby guarantee that urceolus 11 and thermometer hole axiality on middle 12 meet the design accuracy requirement.
Because the magnitude of interference between recipient urceolus 11 and the middle cylinder 12 is larger, the temperature of urceolus 11 and middle cylinder 12 itself need to be heated to 300 ℃ in the hot charging process, personnel can't be close in the assembling process at this moment, can't make too much adjustment, and assembling must disposable finishing, and do not have time enough adjustment, otherwise in case two stuck, and thermometer hole is not aimed at, and may directly cause scrapping of workpiece, therefore carries out the radial location difficult according to the method for existing groove alignment.
The present invention adopts the radial positioning hanger of thermometer hole to realize the radial location of thermometer hole, to guarantee within limited time thermometer hole being alignd in radial direction.
The radial positioning hanger of thermometer hole of the present invention comprises outside fix piece 1, interior locating piece 2, stretching piece 3, bracer body 4, top board 5, lower platen 6;
As shown in Figure 3, the upper surface of urceolus 11 arranges outside fix piece 1, and outside fix piece 1 is fixedly connected with urceolus 11 by stay bolt; Utilize the resistor rod hole of urceolus 11 as the bolt hole of stay bolt.Outside fix piece 1 is fan-shaped, and the extended line of a side of outside fix piece 1 is by the center of circle of urceolus 11, as shown in Figure 5.
The upper surface of middle cylinder 12 arranges interior locating piece 2, and the extended line of a side of interior locating piece 2 is by the center of circle of middle cylinder 12.
Inner core 13 upper and lower end faces are respectively arranged with top board 5, lower platen 6, and top board 5, lower platen 6 are fixedly connected with inner core 13 by bolt respectively; The center of top board 5, lower platen 6 is equipped with stay bolt, and stay bolt is connected with suspension hook 21, the lifting when being used for hot jacket.
As shown in Figure 4, top board 5 is fixedly connected with inner core 13 by locking device, and locking device comprises stretching piece 3, bracer body 4;
Stretching piece 3 is arranged in the centre bore of inner core 13 upper ends, is provided with bracer body 4 in the stretching piece 3, and bracer body 4 matches with stretching piece 3, and the contact-making surface between bracer body 4 and the stretching piece 3 is wedge shape.The end face of bracer body 4 is higher than the end face of stretching piece 3.
The bottom surface of top board 5 contacts with the end face of bracer body 4.Be fixedly connected with by clamping screw between top board 5 and the stretching piece 3.
By the rotation lock bolt, stretching piece 3 and 4 lockings of bracer body, thus can make top board 5 and inner core 13 lockings.
Because the weight of inner core 13 is heavier, inertia is larger, only depend on during lifting upper and lower pressing plate 5,6 with inner core 13 between bolt inadequate, the present invention connects top board 5 and inner core 13 by locking device, can guarantee the bonding strength between top board 5 and the inner core 13.
The interior locating piece 2 of middle cylinder 12 upper surfaces is bolted to connection with the top board 5 of inner core 13 upper surfaces, realizes the location of inner core 13 and middle cylinder 12.
Be provided with long rod 20 on the inner core 13.
Adopt the radial positioning hanger of thermometer hole of the present invention, make the satisfactory method of thermometer hole axiality on urceolus 11 and the middle cylinder 12 as follows:
1, the middle inner core that hot jacket is good is sling, and aims at the urceolus 11 that heats; Middle inner core is put into the urceolus 11 that heats;
2, carry out axial location: utilize the step surface of urceolus 11 and middle cylinder 12 itself, adopt and adjust parallels and adjust spacingly, make the axial step face of urceolus 11 and middle cylinder 12 by the jail, to guarantee axial consistent with middle 12 of urceolus 11;
The axial location method is prior art, does not do at this and gives unnecessary details.
3, carry out radial location:
Stir interior locating piece 2 with long rod 20, middle inner core is rotated with respect to urceolus 11, make the interior locating piece 2 of middle cylinder 12 upper surfaces and the outside fix piece 1 of urceolus 11 upper surfaces be close to the radial location of inner core and urceolus 11 in realizing.
Claims (6)
1. the processing method of a temperature measuring holes of extrusion cylinder of aluminum extruder is characterized in that: before the urceolus of recipient, middle cylinder, three cylinders of inner core carry out modified heat treatment, carry out the Drilling operation of thermometer hole, may further comprise the steps:
The first step is carried out the boring of thermometer hole at urceolus;
Second step carries out modified heat treatment to urceolus;
In the 3rd step, according to the position of thermometer hole on the urceolus, draw each thermometer hole line at middle cylinder; Carry out the boring of thermometer hole at middle cylinder;
In the 4th step, the centering cylinder carries out modified heat treatment;
The 5th step was integrated middle cylinder and the assembling of inner core hot jacket, became middle inner core;
The 6th step, urceolus and middle inner core are carried out the hot jacket assembling, make the thermometer hole axiality on urceolus and the middle cylinder meet required precision.
2. the processing method of temperature measuring holes of extrusion cylinder of aluminum extruder according to claim 1 is characterized in that: described the 3rd step the diameter of the thermometer hole that bores on the middle cylinder less than urceolus on the diameter of thermometer hole.
3. the processing method of temperature measuring holes of extrusion cylinder of aluminum extruder according to claim 1 and 2 is characterized in that: it is as follows that described the 6th step makes urceolus and thermometer hole axiality on middle meet the method for required precision:
Step 1, the middle inner core that hot jacket is good are sling, and aim at the urceolus that heats; Middle inner core is put into the urceolus that heats;
Step 2, carry out axial location: utilize the step surface of urceolus and middle cylinder itself, adopt that to transfer iron to adjust spacing, make the axial step face of urceolus and middle cylinder by the jail, realize urceolus and middle axial location;
The radial positioning hanger of step 3, employing thermometer hole carries out radial location;
Stir interior locating piece with long rod, middle inner core is rotated with respect to urceolus, make the interior locating piece of middle cylinder upper surface and the outside fix piece of urceolus upper surface be close to the radial location of inner core and urceolus in the realization;
The radial positioning hanger of described thermometer hole comprises outside fix piece (1), interior locating piece (2), top board (5), lower platen (6); Outside fix piece (1) is fixedly installed on the upper surface of urceolus (11), and the extended line of a side of outside fix piece (1) is by the center of circle of urceolus (11); Interior locating piece (2) is fixedly installed on the upper surface of middle cylinder (12), and the extended line of a side of interior locating piece (2) is by the center of circle of middle cylinder 12; Top board (5), lower platen (6) are fixedly installed on respectively the upper and lower end face of inner core (13); The interior locating piece (2) of middle cylinder (12) upper surface is fixedly connected with the top board (5) of inner core (13) upper surface; Be provided with long rod (20) on the inner core (13).
4. the radial positioning hanger for the thermometer hole of the processing method of temperature measuring holes of extrusion cylinder of aluminum extruder claimed in claim 3 is characterized in that: comprise outside fix piece (1), interior locating piece (2), top board (5), lower platen (6); Outside fix piece (1) is fixedly installed on the upper surface of urceolus (11), and the extended line of a side of outside fix piece (1) is by the center of circle of urceolus (11); Interior locating piece (2) is fixedly installed on the upper surface of middle cylinder (12), and the extended line of a side of interior locating piece (2) is by the center of circle of middle cylinder 12; Top board (5), lower platen (6) are fixedly installed on respectively the upper and lower end face of inner core (13); The interior locating piece (2) of middle cylinder (12) upper surface is fixedly connected with the top board (5) of inner core (13) upper surface; Be provided with long rod (20) on the inner core (13).
5. the radial positioning hanger of thermometer hole according to claim 4 is characterized in that: described outside fix piece (1) is for fan-shaped.
6. the radial positioning hanger of thermometer hole according to claim 4, it is characterized in that: described top board (5) is fixedly connected with inner core (13) by locking device, and locking device comprises stretching piece (3), bracer body (4); Stretching piece (3) is arranged in the centre bore of inner core (13) upper end, is provided with bracer body (4) in the stretching piece (3), and bracer body (4) matches with stretching piece (3), and the contact-making surface between bracer body (4) and the stretching piece (3) is wedge shape; The end face of bracer body (4) is higher than the end face of stretching piece (3); The bottom surface of top board (5) contacts with the end face of bracer body (4); Be fixedly connected with by clamping screw between top board (5) and the stretching piece (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010538044 CN102463445B (en) | 2010-11-10 | 2010-11-10 | Machining method for temperature measuring holes of extrusion cylinder of aluminum extruder and radial positioning hanger |
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| CN 201010538044 CN102463445B (en) | 2010-11-10 | 2010-11-10 | Machining method for temperature measuring holes of extrusion cylinder of aluminum extruder and radial positioning hanger |
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| CN102463445A CN102463445A (en) | 2012-05-23 |
| CN102463445B true CN102463445B (en) | 2013-10-30 |
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| CN102896465B (en) * | 2012-10-24 | 2016-02-17 | 西南铝业（集团）有限责任公司 | A kind of assembly method of recipient |
| CN104475472B (en) * | 2014-08-28 | 2016-05-18 | 太原重工股份有限公司 | Recipient assembly positioner |
| CN104801930B (en) * | 2015-04-09 | 2017-02-01 | 济南重工股份有限公司 | Miller lining processing technique |
| CN105388184A (en) * | 2015-12-17 | 2016-03-09 | 北京航空航天大学 | Specimen installation fixture used for contact thermal resistance testing |
| CN110549274B (en) * | 2019-09-29 | 2021-06-01 | 哈尔滨飞机工业集团有限责任公司 | Helicopter rotating disc bearing and fixing disc mounting and positioning tool and mounting method |
| CN110763352B (en) * | 2019-10-11 | 2020-11-13 | 上海五钢设备工程有限公司 | Method for aligning temperature measuring holes after extrusion container assembly |
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Effective date of registration: 20161208 Address after: 200245 Jiangchuan Road, Shanghai, No. 230, building 1800, No. Patentee after: Shanghai electric heavy milling special equipment Co. Ltd. Patentee after: Shanghai Heavy Machines Plant Co., Ltd. Address before: 200245 Jiangchuan Road, Shanghai, No. 1800, No. Patentee before: Shanghai Heavy Machines Plant Co., Ltd. |