CN110587221A - Auxiliary installation device for assembly fixture and construction method - Google Patents
Auxiliary installation device for assembly fixture and construction method Download PDFInfo
- Publication number
- CN110587221A CN110587221A CN201910804147.9A CN201910804147A CN110587221A CN 110587221 A CN110587221 A CN 110587221A CN 201910804147 A CN201910804147 A CN 201910804147A CN 110587221 A CN110587221 A CN 110587221A
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- Prior art keywords
- assembled
- guide
- heating
- guide sleeve
- assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses an auxiliary mounting device for an assembly fixture and a construction method, and belongs to the field of aviation part assembly. The auxiliary installation device for the assembly fixture comprises a base, a guide column arranged on the base and a guide sleeve which is sleeved outside the guide column and is in sliding connection with the guide column, wherein a containing groove is formed in the base and outside the guide column, and a plurality of groups of elastic steel balls are arranged on one side, away from the guide column, of the guide sleeve. A construction method of an auxiliary installation device of an assembly fixture sequentially comprises the following steps: putting the heating part into a heating furnace for heating and taking out; placing the guide sleeve into a part to be assembled; then pressing the guide sleeve into the accommodating groove to enable the heating part and the part to be assembled; checking and measuring a gap between a part to be assembled and a heating part by using a feeler gauge; the invention has higher stability and high efficiency, improves the assembly efficiency and the assembly qualification rate, reduces the rejection rate and the rework and repair rate of parts, and greatly saves the production cost of the parts.
Description
Technical Field
The invention relates to the field of aviation part assembly, in particular to an auxiliary mounting device for an assembly fixture and a construction method.
Background
The assembly jig part shown in fig. 1 comprises a part to be assembled and a heating part sleeved on the outer side of the part to be assembled, the monthly demand is large, a complaint of owing is frequently issued abroad, the cooperation relationship between companies at home and abroad is influenced by the owing of the part, and other introduced items of the company are not affected well. In the existing part assembly, a person with strong assembly technical capability is required for assembly. Because the parts are assembled in an interference fit mode, the interference magnitude is 0.2mm, and in addition, the roundness of the parts to be assembled is large, the heating parts are taken out of the heating furnace and cooled quickly, and the assembling difficulty is greatly increased.
Before the assembly operating personnel need with the part heating, the part is end flat for can't guaranteeing when the assembly of its assembly degree of difficulty, in case the part takes place the slope then the assembly part can the card put in heating the part, assembly failure leads to following consequence this moment: first, the part is not bottomed; second, the parts are broken by striking with a wood hammer until fully assembled. The failure rate reaches 40% through statistics, the rejection rate is 10%, and therefore part assembly is always the production bottleneck of the part workshop section, the assembly efficiency is low, and meanwhile, the costs of manpower, funds and the like are wasted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an auxiliary mounting device for an assembly fixture and a construction method, and the specific technical scheme is as follows:
the utility model provides an assembly fixture auxiliary erection device, includes the base, sets up guide post and the cover on the base and establish the guide pin bushing in the guide post outside and with guide post sliding connection, is equipped with the storage tank on the base and lie in the guide post outside, and one side that the guide post was kept away from to the guide pin bushing is equipped with multiunit elasticity steel ball.
According to the invention, an operator heats a heating part and then places the heating part in the accommodating groove on the base, places the guide sleeve into the part to be assembled, fixes the part to be assembled outside the guide sleeve by using the elastic steel ball, and then presses the guide sleeve into the accommodating groove to assemble the heating part and the part to be assembled.
Preferably, the elastic steel balls are connected with the guide sleeve in a sliding mode and are uniformly distributed on the outer side of the guide sleeve.
According to the invention, the elastic steel ball is in sliding connection with the guide sleeve, so that when the guide sleeve is placed in a part to be assembled, the elastic steel pipe can fix the part to be assembled outside the guide sleeve by using the elasticity of the elastic steel pipe. Meanwhile, the elastic steel balls are uniformly distributed on the outer side of the guide sleeve, so that the stress of the part to be assembled is uniform, and the problems of local displacement, falling and the like in the assembling process can be avoided.
Preferably, a plurality of groups of handles are arranged on the guide sleeve.
According to the invention, the guide sleeve with heavier weight can be lifted by an operator in the assembling process through the handle arranged on the guide sleeve, so that the convenience and the practicability of the invention are improved.
Preferably, the shape of the accommodating groove is annular.
According to the invention, the annular accommodating groove is adopted, so that the heating part is placed in the accommodating groove after being heated without sliding and the like, and the heating part and the part to be assembled can be assembled conveniently by an operator.
A construction method of an auxiliary installation device of an assembly fixture sequentially comprises the following steps:
(S1): heating the heating part in a heating furnace, taking out the heating part, and quickly placing the heating part in a containing groove in a base;
(S2): placing the guide sleeve into the part to be assembled, and fixing the part to be assembled by the elastic steel ball;
(S3): the guide sleeve is lifted by the handle and sleeved outside the guide column, and then the guide sleeve is pressed into the accommodating groove, so that the heating part and the part to be assembled are assembled;
(S4): and taking the guide sleeve out of the guide column, taking the assembled part out of the accommodating groove, and checking and measuring the gap between the part to be assembled and the heated part by using a feeler gauge.
Preferably, the heated part in step (S1) should be heated in a furnace to a size that is a clearance fit with the size of the part to be assembled.
According to the invention, the heating part is heated to the size which is in clearance fit with the size of the part to be assembled, so that the part to be assembled can be easily put into the heating part in the assembling process, the assembling difficulty is reduced, and the assembling efficiency is further improved.
Preferably, in the step (S3), the operator presses the guide bush into the accommodating groove to maintain the horizontal posture.
According to the invention, when an operator presses the guide sleeve into the accommodating groove, the horizontal posture is kept, so that a part to be assembled vertically enters the heating part, and the assembling requirement is met.
Preferably, the gap criterion between the part to be assembled and the heated part in the step (S4) is zero.
According to the invention, the heating part and the part to be assembled are in interference fit, and the interference magnitude is 0.2mm, so that the clearance standard between the part to be assembled and the heating part is set to be zero, and the detection is convenient for an operator.
The invention has the following beneficial effects:
according to the invention, an operator heats a heating part and then places the heating part in the accommodating groove on the base, places the guide sleeve into the part to be assembled, fixes the part to be assembled outside the guide sleeve by using the elastic steel ball, and then presses the guide sleeve into the accommodating groove to assemble the heating part and the part to be assembled. The invention skillfully utilizes the elastic steel ball to ensure that the part to be assembled is efficiently loaded into the guide sleeve without being influenced by roundness and size, and the precision fit between the guide column and the guide sleeve is selected to control the inclination of the part, so that the part is not influenced by the inclination of human factors, and the assembly requirement is further met. The invention has higher stability and high efficiency, improves the assembly efficiency and the assembly qualification rate, reduces the rejection rate of parts and the rework and repair rate of parts, has simple operation and greatly saves the production cost of the parts.
Drawings
FIG. 1 is a schematic structural view of a part of the present invention;
FIG. 2 is an enlarged view of a portion of the invention showing the mating of parts;
FIG. 3 is a top view of the present invention;
fig. 4 is a sectional view taken along a-a direction in fig. 3.
In the figure: 1-a base; 2-a guide post; 3, guiding a sleeve; 4-a containing groove; 5-elastic steel balls; 6-a handle; 7-heating the part; 8-parts to be assembled.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1 to 4, the auxiliary mounting device for the assembly jig of the invention comprises a base 1 in the shape of a cylinder and a guide post 2 arranged on the base 1 and coaxial with the base 1, wherein a guide sleeve 3 connected with the guide post 2 in a sliding manner is sleeved outside the guide post 2, and the guide post 2 is used for guiding the guide sleeve 3 to vertically slide along the guide post 2 and completing the assembly of parts. The guide sleeve 3 is provided with two groups of handles 6, so that an operator can conveniently lift the guide sleeve 3 with heavier weight in the assembling process, and the convenience and the practicability of the invention are improved.
Further referring to fig. 2, the base 1 and the outer side of the guide column 2 are provided with a containing groove 4 for placing the heating part 7, and the operator heats the heating part 7 and then places the heating part in the containing groove 4 on the base 1, so that the assembly of the parts 8 to be assembled is facilitated. The accommodating groove 4 is annular, the heating part 7 is placed in the accommodating groove 4 after being heated without sliding and the like by adopting the accommodating groove 4 with the annular shape, and an operator can assemble the heating part 7 and the part 8 to be assembled conveniently.
Referring to fig. 3 to 4, 4 groups of elastic steel balls 5 for fixing the part 8 to be assembled on the guide sleeve 3 are arranged on one side of the guide sleeve 3 away from the guide pillar, an operator heats the heating part 7 and then places the heating part in the accommodating groove 4 of the base 1, places the guide sleeve 3 into the part 8 to be assembled, fixes the part 8 to be assembled outside the guide sleeve 3 by using the elastic steel balls 5, and then presses the guide sleeve 3 into the accommodating groove 4 to assemble the heating part 7 and the part 8 to be assembled. The elastic steel balls 5 are connected with the guide sleeve 3 in a sliding mode, and the four groups of elastic steel balls 5 are uniformly distributed on the outer side of the guide sleeve 3.
Meanwhile, the elastic steel balls 5 are uniformly distributed on the outer side of the guide sleeve 3, so that the part 8 to be assembled is uniformly stressed, and the problems of local displacement, falling and the like in the assembling process can be avoided. According to the invention, the elastic steel ball 5 is skillfully utilized to enable the part 8 to be assembled to be efficiently loaded into the guide sleeve 3 without being influenced by roundness and size, the precision fit between the guide column 2 and the guide sleeve 3 is selected to control the inclination of the part, so that the part is not influenced by the inclination of human factors, and the assembly requirement is further met. The invention has higher stability and high efficiency, improves the assembly efficiency and the assembly qualification rate, reduces the rejection rate of parts and the rework and repair rate of parts, has simple operation and greatly saves the production cost of the parts.
Referring further to fig. 2 and 4, the construction method of the auxiliary installation device for the assembly jig of the present invention sequentially includes the following steps:
(S1): heating the heating part 7 in a heating furnace, taking out the heating part, and then quickly putting the heating part into the accommodating groove 4 in the base 1; and the heating time of the heating part 7 in the heating furnace is 10min, the heating part 7 should be heated to the size which is in clearance fit with the size of the part 8 to be assembled. According to the invention, the heating part 7 is heated to the size which is in clearance fit with the size of the part 8 to be assembled, so that the part 8 to be assembled can be easily placed into the heating part 7 in the assembling process, the assembling difficulty is reduced, and the assembling efficiency is further improved.
(S2): placing the guide sleeve 3 into the part 8 to be assembled, and fixing the part 8 to be assembled by the elastic steel balls 5;
(S3): the guide sleeve 3 is lifted by the handle 6, the guide sleeve 3 is sleeved outside the guide column 2, and then the guide sleeve 3 is pressed into the accommodating groove 4, so that the heating part 7 and the part 8 to be assembled are assembled; in the invention, the guide sleeve 3 is pressed into the accommodating groove 4 by an operator to keep a horizontal posture, so that the part 8 to be assembled vertically enters the heating part 7 to meet the assembly requirement.
(S4): the guide sleeve 3 is taken out of the guide column 2, the assembled parts are taken out of the accommodating groove 4, and the clearance between the parts 8 to be assembled and the heating parts 7 is checked and measured by a feeler gauge. The gap between the part to be assembled 8 and the heating part 7 is zero. According to the invention, the heating part 7 and the part 8 to be assembled are in interference fit, and the interference magnitude is 0.2mm, so that the clearance standard between the part 8 to be assembled and the heating part 7 is set to be zero, and the detection is convenient for an operator.
According to the invention, an operator heats a heating part 7 and then places the heating part in the accommodating groove 4 of the base 1, places the guide sleeve 3 into the part 8 to be assembled, fixes the part 8 to be assembled outside the guide sleeve 3 by using the elastic steel ball 5, and then presses the guide sleeve 3 into the accommodating groove 4 to assemble the heating part 7 and the part 8 to be assembled. According to the invention, the elastic steel ball 5 is skillfully utilized to enable the part 8 to be assembled to be efficiently loaded into the guide sleeve 3 without being influenced by roundness and size, the precision fit between the guide column 2 and the guide sleeve 3 is selected to control the inclination of the part, so that the part is not influenced by the inclination of human factors, and the assembly requirement is further met. The invention has higher stability and high efficiency, improves the assembly efficiency and the assembly qualification rate, reduces the rejection rate of parts and the rework and repair rate of parts, has simple operation and greatly saves the production cost of the parts.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an installation device is assisted to assembly fixture, its characterized in that includes base (1), sets up guide post (2) and the cover on base (1) and establishes guide pin bushing (3) in the guide post (2) outside and with guide post (2) sliding connection, be equipped with storage tank (4) on base (1) and be located guide post (2) outside, one side that guide pin bushing (3) kept away from guide post (2) is equipped with multiunit elasticity steel ball (5).
2. An auxiliary mounting device for a fabricated jig according to claim 1, wherein the elastic steel balls (5) are slidably connected with the guide sleeve (3) and are uniformly distributed outside the guide sleeve (3).
3. An auxiliary mounting device for a fitting jig according to claim 1, wherein the guide bush (3) is provided with a plurality of sets of handles (6).
4. An auxiliary mounting device for a fitting jig according to claim 1 wherein the receiving groove (4) takes the shape of a ring.
5. A construction method of an auxiliary installation device of an assembly fixture is characterized by sequentially comprising the following steps:
(S1): heating the heating part in a heating furnace, taking out the heating part, and quickly placing the heating part in a containing groove in a base;
(S2): placing the guide sleeve into the part to be assembled, and fixing the part to be assembled by the elastic steel ball;
(S3): the guide sleeve is lifted by the handle and sleeved outside the guide column, and then the guide sleeve is pressed into the accommodating groove, so that the heating part and the part to be assembled are assembled;
(S4): and taking the guide sleeve out of the guide column, taking the assembled part out of the accommodating groove, and checking and measuring the gap between the part to be assembled and the heated part by using a feeler gauge.
6. The construction method of an auxiliary installing apparatus of an assembling jig according to claim 5, wherein the heating part in the step (S1) should be heated in the heating furnace to a size that is a clearance fit with the size of the part to be assembled.
7. The construction method of an auxiliary installing apparatus of a fabricated rack as claimed in claim 5, wherein the operator presses the guide bush into the receiving groove in the step (S3) to maintain a horizontal posture.
8. The construction method of the auxiliary installing apparatus of the assembling jig according to claim 5, wherein the gap standard between the parts to be assembled and the heating parts is zero in the step (S4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910804147.9A CN110587221A (en) | 2019-08-28 | 2019-08-28 | Auxiliary installation device for assembly fixture and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910804147.9A CN110587221A (en) | 2019-08-28 | 2019-08-28 | Auxiliary installation device for assembly fixture and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110587221A true CN110587221A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910804147.9A Pending CN110587221A (en) | 2019-08-28 | 2019-08-28 | Auxiliary installation device for assembly fixture and construction method |
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| Country | Link |
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| CN (1) | CN110587221A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219916A (en) * | 1977-08-01 | 1980-09-02 | Basf Aktiengesellschaft | Bearing cartridge mounting method |
| CN101439455A (en) * | 2007-11-20 | 2009-05-27 | 扬动股份有限公司 | Bushing directional pressing method |
| CN104526259A (en) * | 2014-11-20 | 2015-04-22 | 哈尔滨电气动力装备有限公司 | Heat sleeve tool device for alloy block flywheel retaining ring |
| KR20150077962A (en) * | 2013-12-30 | 2015-07-08 | 주식회사 파워엠엔씨 | a continuous and thermal inserting device |
| CN206854976U (en) * | 2017-06-20 | 2018-01-09 | 湖北工业大学 | A kind of bearing press-fitting device |
| CN208556521U (en) * | 2018-08-23 | 2019-03-01 | 温岭市九洲电机制造有限公司 | A kind of hot jacket positioning tool of stator core and casing |
-
2019
- 2019-08-28 CN CN201910804147.9A patent/CN110587221A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4219916A (en) * | 1977-08-01 | 1980-09-02 | Basf Aktiengesellschaft | Bearing cartridge mounting method |
| CN101439455A (en) * | 2007-11-20 | 2009-05-27 | 扬动股份有限公司 | Bushing directional pressing method |
| KR20150077962A (en) * | 2013-12-30 | 2015-07-08 | 주식회사 파워엠엔씨 | a continuous and thermal inserting device |
| CN104526259A (en) * | 2014-11-20 | 2015-04-22 | 哈尔滨电气动力装备有限公司 | Heat sleeve tool device for alloy block flywheel retaining ring |
| CN206854976U (en) * | 2017-06-20 | 2018-01-09 | 湖北工业大学 | A kind of bearing press-fitting device |
| CN208556521U (en) * | 2018-08-23 | 2019-03-01 | 温岭市九洲电机制造有限公司 | A kind of hot jacket positioning tool of stator core and casing |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191220 |