CN114734228B - Method for controlling product assembly clearance - Google Patents
Method for controlling product assembly clearance Download PDFInfo
- Publication number
- CN114734228B CN114734228B CN202210340930.6A CN202210340930A CN114734228B CN 114734228 B CN114734228 B CN 114734228B CN 202210340930 A CN202210340930 A CN 202210340930A CN 114734228 B CN114734228 B CN 114734228B
- Authority
- CN
- China
- Prior art keywords
- diffuser
- combustion chamber
- press
- sensor
- rotating disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 68
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 239000000047 product Substances 0.000 abstract description 23
- 239000012467 final product Substances 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 10
- 239000012528 membrane Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- 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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a method for controlling a product assembly clearance, and aims to provide a method for controlling the product assembly clearance, which can improve the product quality. It comprises the following steps: step one, starting a measuring device, and measuring the arch height B of the rupture disk by using a sensor I; step two, the combustion chamber is moved to be right above the diffuser, and a sensor II measures a gap distance A between the combustion chamber and the diffuser; step three, setting the assembly clearance between the combustion chamber and the diffuser as a target value C; and step four, setting the total stroke of the servo electric cylinder according to the total stroke = fixed running distance +A+B-C, and then pressing the combustion chamber into the diffuser through the servo electric cylinder. The beneficial effects of the invention are as follows: the influence of low process capability, large tolerance range, difficult control of the assembly process and the like on the quality of the final product is avoided, so that the aim of improving the quality of the product is fulfilled; the operation is simple, convenient and quick; the balance degree and stability of the rotating disc during rotation are improved, so that the measurement precision and the assembly precision are improved, and finally, the target value C of the actual assembly clearance is more accurate.
Description
Technical Field
The invention relates to the technical field related to product assembly, in particular to a method for controlling a product assembly clearance.
Background
The gas generator for deploying the airbag accommodates various members in a housing, and these members are fixed to each other by fixing means such as welding. However, there is a method of fixing the components in a press-fit state without using welding, from the viewpoint of cost reduction and ease of assembly.
The patent application number CN201380051736.5, the date of the grant is 2017, 09 and 15, and an invention patent of a gas generator and an assembling method thereof is disclosed, wherein an igniter assembly and a gas generating agent are accommodated in a housing having a gas discharge port, the igniter assembly is covered with a metal cup member having a uniform inner diameter to form a medicament filling chamber, the igniter assembly is obtained by integrating an igniter body having an ignition portion and a conductive pin with a metal collar resin, the metal collar has a fixing portion of which a part is fitted into a hole in a bottom surface of the housing and a residual part protrudes toward an inner side of the bottom surface of the housing, and a guide portion formed in contact with the fixing portion in an axial direction, the guide portion has an inclined surface of which an outer diameter (D3) of a portion in contact with the fixing portion is largest and an outer diameter (D4) of an axially opposite side portion is smallest, and the metal cup and the metal collar satisfy: the outer diameter (D1) of the fixing portion and the maximum outer diameter (D3) of the guide portion are d1=d3; the inner diameter (R1) of the metal cup and the outer diameter (D1) of the fixing part, and the maximum outer diameter (D3) of the guiding part are d1=d3 not less than R1; the minimum outer diameter (D4) of the guide portion and the inner diameter (R1) of the metal cup are R1> D4, and the metal cup member is fixed in a state in which an inner peripheral wall surface of the metal cup member and an outer peripheral wall surface of the fixing portion are pressed together and an annular gap is formed between the inner peripheral wall surface of the metal cup member and the outer peripheral wall surface of the guide portion.
In the above-mentioned patent, each subassembly of product is in the assembly process, because receive raw and other materials and manufacturing cost's influence, and partial tolerance can't add tight control or the process ability in the tolerance range is very low, has potential quality risk, and when a plurality of subassemblies are assembled each other, the influence of accumulated tolerance will show, influences final product quality.
Disclosure of Invention
The invention provides a method for controlling the assembly clearance of a product, which can improve the quality of the product, in order to overcome the defect that the quality of the product is poor due to the fact that the assembly tolerance of the product cannot be controlled in the assembly process in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a method of product assembly gap control comprising the steps of:
step one, starting a measuring device, and measuring the arch height B of the rupture disk by using a sensor I;
step two, the combustion chamber is moved to be right above the diffuser, and a sensor II measures a gap distance A between the combustion chamber and the diffuser;
step three, setting the assembly clearance between the combustion chamber and the diffuser as a target value C;
and step four, setting the total stroke of the servo electric cylinder according to the total stroke = fixed running distance +A+B-C, and then pressing the combustion chamber into the diffuser through the servo electric cylinder. The fixed running distance is the moving distance before the output end of the servo electric cylinder starts to push the combustion chamber to move downwards after the servo electric cylinder is started; the actual size of the product component which influences assembly is preferentially measured through the measuring device, the total stroke of the servo motor is obtained through actual size feedback and conversion through internal logic relation, so that the target clearance is obtained under the condition that the burst film height and the combustion chamber length are different, the influence on the quality of the final product due to low process capability of the product component, large tolerance range, difficult control of the assembly process and the like is avoided, and the aim of improving the quality of the product is fulfilled.
Preferably, the measuring device comprises a base, a diffuser and a support are arranged on the base, a rupture membrane is arranged at one end of the diffuser and is detachably connected with the base, the bottom of the support is fixedly connected with the base, a press-fit assembly is arranged at the top of the support and is rotationally connected with the support, a first sensor and a combustion chamber matched with the other end of the diffuser are arranged on the press-fit assembly, the first sensor and the combustion chamber are detachably connected with the press-fit assembly, the first sensor is corresponding to the combustion chamber by taking the rotation center of the press-fit assembly as the center, a second sensor is arranged on the base and is detachably connected with the base and corresponds to a gap formed between the combustion chamber and the diffuser. The explosion membrane is arranged at the position on the diffuser, so that the arch height B of the explosion membrane is the depth of the inside of the diffuser, and the sensor can obtain the arch height B of the explosion membrane by measuring the depth of the inside of the diffuser, thereby being convenient and quick; the first sensor is corresponding to the combustion chamber by taking the rotation center of the press-fitting assembly as the center, so that the first sensor can conveniently realize the switching between the measurement data of the first sensor and the press-fitting combustion chamber by rotating the press-fitting assembly, and the operation is simple, convenient and quick; the second sensor is detachably connected with the base and corresponds to a gap formed between the combustion chamber and the diffuser so as to measure a gap distance A between the combustion chamber and the diffuser.
Preferably, the press-fit assembly comprises a servo electric cylinder, a motor and a rotating disc, wherein the servo electric cylinder and the motor are detachably connected with the top of the support, the rotating disc is located between the servo electric cylinder and the diffuser, the center of the rotating disc is detachably connected with the output end of the motor, the first sensor is detachably connected with the rotating disc, a press-fit shaft is arranged on the rotating disc and penetrates through the rotating disc and is elastically connected with the rotating disc, one end of the press-fit shaft corresponds to the output end of the servo electric cylinder, the other end of the press-fit shaft is detachably connected with the combustion chamber, and the first sensor is corresponding to the combustion chamber by taking the center of the rotating disc as the center. The press-fit shaft penetrates through the rotating disc and is elastically connected with the rotating disc, so that the servo electric cylinder can press the combustion chamber into the diffuser through pushing the press-fit shaft, and the combustion chamber and the diffuser are assembled; after the elastic connection is convenient to assemble, the press-fit shaft can be reset, and the next use is convenient.
Preferably, a limiting block is arranged at one end of the press-fit shaft corresponding to the output end of the servo electric cylinder, the diameter of the limiting block is larger than that of the press-fit shaft, the press-fit shaft is fixedly connected with the center of the limiting block, a spring is sleeved on the press-fit shaft, one end of the spring is connected with the limiting block, and the other end of the spring is connected with the rotating disc. The fixed running distance is the distance between the output end of the servo electric cylinder and the limiting block; the design of the limiting block is convenient for limiting the spring; after the spring is convenient to assemble, the press-fit shaft can be reset, and the next use is convenient.
Preferably, the support is provided with a support plate, the support plate is fixedly connected with the support, the support plate is provided with a through hole matched with the rotating disc, a bearing is arranged in the through hole, and the rotating disc is rotationally connected with the through hole through the bearing under the driving of the motor. The design is favorable for improving the balance degree and stability of the rotating disc during rotation, so that the measurement precision and the assembly precision are improved, and finally, the target value C of the actual assembly gap is more accurate, so that the product quality is improved.
Preferably, the base is provided with a chuck, the bottom of the chuck is detachably connected with the base, one end of the diffuser, provided with the rupture disk, is clamped at the top of the chuck, and the combustion chamber is conveniently pressed into the diffuser from the other end of the diffuser, so that the assembly is realized.
Preferably, the sensor II comprises an emitter and a receiver corresponding to the emitter, the emitter corresponds to a gap formed between the combustion chamber and the diffuser, two support rods are arranged on the base and are respectively positioned on the left side and the right side of the chuck, one end of each support rod is detachably connected with the base, the other end of one support rod is detachably connected with the emitter, and the other end of the other support rod is detachably connected with the receiver. The position design of the transmitter and the receiver enables the receiver to calculate the gap distance A between the combustion chamber and the diffuser according to the received parallel light after the transmitter transmits the parallel light, and the method is convenient and quick.
Preferably, in the first step, when the sensor is used for measuring the arch height B of the rupture disc, the control system controls the motor to start, and the rotating disc rotates by a certain angle under the driving of the motor, so that the sensor corresponds to the diffuser. For convenience of use, in the initial state of the general case, the first sensor corresponds to the position of the diffuser, but due to various objective factors, the first sensor and the position of the diffuser are offset in the initial state, so that the first sensor and the position of the diffuser need to be driven by a motor to correspond to each other, thereby being beneficial to improving the measurement accuracy.
In the second step, the combustion chamber is arranged on the press-fit shaft, the control system controls the motor to work again, the rotating disc rotates by a certain angle under the driving of the motor, the combustion chamber is positioned right above the diffuser and corresponds to the diffuser, the servo electric cylinder is convenient to press the combustion chamber into the diffuser, and the structure is simple and the operation is convenient.
Preferably, in the fourth step, when the servo electric cylinder presses the combustion chamber, the control system controls the servo electric cylinder to work, the output end of the servo electric cylinder overcomes the acting force of the spring to act on the limiting block, and the press-mounting shaft drives the combustion chamber to move downwards according to the set total stroke, so that the combustion chamber is assembled into the diffuser. Therefore, under the condition that the burst film height and the combustion chamber length are different, a target gap is obtained, and the influence on the quality of a final product due to low process capability of a product component, large tolerance range, difficult control of an assembly process and the like is avoided.
The beneficial effects of the invention are as follows: the influence of low process capability, large tolerance range, difficult control of the assembly process and the like on the quality of the final product is avoided, so that the aim of improving the quality of the product is fulfilled; the operation is simple, convenient and quick; the balance degree and stability of the rotating disc during rotation are improved, so that the measurement precision and the assembly precision are improved, and finally, the target value C of the actual assembly clearance is more accurate.
Drawings
FIG. 1 is a schematic diagram of the structure of the measuring device of the present invention;
FIG. 2 is a schematic view of the structure of the combustor and diffuser immediately prior to assembly;
FIG. 3 is a schematic view of the structure of the combustion chamber and diffuser when assembled.
In the figure: 1. base, 2, diffuser, 3, bracket, 4, rupture disk, 5, press-fit assembly, 6, sensor one, 7, combustion chamber, 8, sensor two, 9, servo cylinder, 10, motor, 11, rotating disk, 12, press-fit shaft, 13, stopper, 14, spring, 15, support plate, 16, through hole, 17, chuck, 18, transmitter, 19, receiver, 20, support rod.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
In the embodiments described in fig. 1, 2 and 3, a method of product assembly gap control comprises the steps of:
step one, starting a measuring device, and measuring the arch height B of the rupture disk 4 by using a sensor I6;
step two, the combustion chamber 7 is moved to be right above the diffuser 2, and the sensor II 8 measures the gap distance A between the combustion chamber 7 and the diffuser 2;
step three, setting the assembly clearance between the combustion chamber 7 and the diffuser 2 as a target value C;
step four, the total stroke of the servo cylinder 9 is set according to the total stroke = fixed running distance +a+b-C, and then the combustion chamber 7 is press-fitted into the diffuser 2 through the servo cylinder 9.
As shown in fig. 1, the measuring device comprises a base 1, a diffuser 2 and a support 3 are arranged on the base 1, a rupture membrane 4 is arranged at one end of the diffuser 2 and is detachably connected with the base 1, the bottom of the support 3 is fixedly connected with the base 1, a press-fit assembly 5 is arranged at the top of the support 3, the press-fit assembly 5 is rotationally connected with the support 3, a first sensor 6 and a combustion chamber 7 matched with the other end of the diffuser 2 are arranged on the press-fit assembly 5, the first sensor 6 and the combustion chamber 7 are detachably connected with the press-fit assembly 5, the first sensor 6 is corresponding to the combustion chamber 7 by taking the rotation center of the press-fit assembly 5 as the center, a second sensor 8 is arranged on the base 1, and the second sensor 8 is detachably connected with the base 1 and corresponds to a gap formed between the combustion chamber 7 and the diffuser 2.
The press-fit assembly 5 comprises a servo electric cylinder 9, a motor 10 and a rotating disc 11, wherein the servo electric cylinder 9 and the motor 10 are detachably connected with the top of the bracket 3, the rotating disc 11 is positioned between the servo electric cylinder 9 and the diffuser 2, the center of the rotating disc 11 is detachably connected with the output end of the motor 10, the first sensor 6 is detachably connected with the rotating disc 11, the rotating disc 11 is provided with a press-fit shaft 12, the press-fit shaft 12 penetrates through the rotating disc 11 and is elastically connected with the rotating disc 11, one end of the press-fit shaft 12 corresponds to the output end of the servo electric cylinder 9, the other end of the press-fit shaft 12 is detachably connected with the combustion chamber 7, and the first sensor 6 corresponds to the combustion chamber 7 by taking the center of the rotating disc 11 as the center.
The press-fit shaft 12 is provided with a limiting block 13 at one end corresponding to the output end of the servo electric cylinder 9, the diameter of the limiting block 13 is larger than that of the press-fit shaft 12, the press-fit shaft 12 is fixedly connected with the center of the limiting block 13, a spring 14 is sleeved on the press-fit shaft 12, one end of the spring 14 is connected with the limiting block 13, and the other end of the spring 14 is connected with the rotating disc 11.
The support 3 is provided with a support plate 15, the support plate 15 is fixedly connected with the support 3, the support plate 15 is provided with a through hole 16 matched with the rotating disc 11, a bearing is arranged in the through hole 16, and the rotating disc 11 is rotationally connected with the through hole 16 through the bearing under the drive of the motor 10.
The base 1 is provided with a chuck 17, the bottom of the chuck 17 is detachably connected with the base 1, and one end of the diffuser 2 provided with the rupture disk 4 is clamped at the top of the chuck 17.
The second sensor 8 comprises an emitter 18 and a receiver 19 corresponding to the emitter 18, the emitter 18 corresponds to a gap formed between the combustion chamber 7 and the diffuser 2, two support rods 20 are arranged on the base 1, the two support rods 20 are respectively positioned on the left side and the right side of the chuck 17, one end of each support rod 20 is detachably connected with the base 1, the other end of one support rod 20 is detachably connected with the emitter 18, and the other end of the other support rod 20 is detachably connected with the receiver 19.
As shown in fig. 1, 2 and 3, in the step one, when the sensor one 6 is used to measure the doming height B of the rupture disk 4, the control system controls the motor 10 to start, and the rotating disc 11 is rotated by a certain angle under the driving of the motor 10, so that the sensor one 6 corresponds to the diffuser 2.
As shown in fig. 1, 2 and 3, in the second step, the combustion chamber 7 is mounted on the press-fit shaft 12, the control system again controls the motor 10 to operate, and the rotating disc 11 is rotated by a certain angle under the driving of the motor 10, so that the combustion chamber 7 is located right above the diffuser 2 and corresponds to the diffuser 2.
As shown in fig. 1, 2 and 3, in the fourth step, when the servo electric cylinder 9 presses the combustion chamber 7, the control system controls the servo electric cylinder 9 to work, the output end of the servo electric cylinder 9 acts on the limiting block 13 against the acting force of the spring 14, and the press-mounting shaft 12 drives the combustion chamber 7 to move downwards according to the set total stroke, so that the combustion chamber 7 is assembled into the diffuser 2.
The fixed running distance is the distance between the output end of the servo electric cylinder 9 and the limiting block 13; the rupture disc 4 is arranged at the position on the diffuser 2, so that the arch height B of the rupture disc 4 is the depth inside the diffuser 2, and the sensor I6 can obtain the arch height B of the rupture disc 4 by measuring the depth inside the diffuser 2; the positions of the emitter 18 and the receiver 19 are designed so that after the emitter 18 emits parallel light, the receiver 19 can calculate the gap distance a between the combustion chamber 7 and the diffuser 2 from the received parallel light; the actual size of the product component which influences assembly is preferentially measured through the measuring device, the total stroke of the servo motor is obtained through actual size feedback and conversion through internal logic relation, so that the target clearance is obtained under the condition that the height of the rupture disk 4 and the length of the combustion chamber 7 are different, the influence on the quality of a final product due to low process capability of the product component, large tolerance range, difficult control of the assembly process and the like is avoided, and the aim of improving the quality of the product is fulfilled.
Claims (7)
1. A method of product assembly gap control, comprising the steps of:
step one, starting a measuring device, and measuring the arch height B of the rupture disk (4) by using a sensor I (6);
step two, the combustion chamber (7) is moved to the position right above the diffuser (2), and the sensor II (8) measures the clearance distance A between the combustion chamber (7) and the diffuser (2);
step three, setting the assembly clearance between the combustion chamber (7) and the diffuser (2) as a target value C;
setting the total stroke of the servo electric cylinder (9) according to the total stroke = fixed running distance +A+B-C, and then pressing the combustion chamber (7) into the diffuser (2) through the servo electric cylinder (9);
the measuring device comprises a base (1), wherein a diffuser (2) and a support (3) are arranged on the base (1), a rupture disc (4) is arranged at one end of the diffuser (2) and is detachably connected with the base (1), the bottom of the support (3) is fixedly connected with the base (1), a press-fit assembly (5) is arranged at the top of the support (3), the press-fit assembly (5) is rotationally connected with the support (3), a first sensor (6) and a combustion chamber (7) matched with the other end of the diffuser (2) are arranged on the press-fit assembly (5), the first sensor (6) and the combustion chamber (7) are detachably connected with the press-fit assembly (5), the first sensor (6) is corresponding to the combustion chamber (7) by taking the rotation center of the press-fit assembly (5) as the center, a second sensor (8) is arranged on the base (1), and the second sensor (8) is detachably connected with the base (1) and is corresponding to a gap formed between the combustion chamber (7) and the diffuser (2); the press-fit assembly (5) comprises a servo electric cylinder (9), a motor (10) and a rotating disc (11), wherein the servo electric cylinder (9) and the motor (10) are detachably connected with the top of the bracket (3), the rotating disc (11) is positioned between the servo electric cylinder (9) and the diffuser (2), the center of the rotating disc (11) is detachably connected with the output end of the motor (10), the first sensor (6) is detachably connected with the rotating disc (11), the rotating disc (11) is provided with a press-fit shaft (12), the press-fit shaft (12) penetrates through the rotating disc (11) and is elastically connected with the rotating disc (11), one end of the press-fit shaft (12) corresponds to the output end of the servo electric cylinder (9), the other end of the press-fit shaft (12) is detachably connected with the combustion chamber (7), and the first sensor (6) corresponds to the combustion chamber (7) by taking the center of the rotating disc (11) as the center; the automatic clamping device is characterized in that a limiting block (13) is arranged at one end of the press-fit shaft (12) corresponding to the output end of the servo electric cylinder (9), the diameter of the limiting block (13) is larger than that of the press-fit shaft (12), the press-fit shaft (12) is fixedly connected with the center of the limiting block (13), a spring (14) is sleeved on the press-fit shaft (12), one end of the spring (14) is connected with the limiting block (13), and the other end of the spring (14) is connected with the rotating disc (11).
2. The method for controlling the assembly clearance of the product according to claim 1, wherein the support (3) is provided with a support plate (15), the support plate (15) is fixedly connected with the support (3), the support plate (15) is provided with a through hole (16) matched with the rotating disc (11), the through hole (16) is internally provided with a bearing, and the rotating disc (11) is rotationally connected with the through hole (16) through the bearing under the driving of the motor (10).
3. A method for controlling product assembly clearance according to claim 1 or 2, characterized in that the base (1) is provided with a chuck (17), the bottom of the chuck (17) is detachably connected with the base (1), and one end of the diffuser (2) provided with the rupture disc (4) is clamped at the top of the chuck (17).
4. A method of product assembly gap control according to claim 3, characterized in that the second sensor (8) comprises a transmitter (18) and a receiver (19) corresponding to the transmitter (18), the transmitter (18) corresponds to the gap formed between the combustion chamber (7) and the diffuser (2), two support rods (20) are arranged on the base (1), the two support rods (20) are respectively positioned on the left and right sides of the chuck (17), one end of the support rod (20) is detachably connected with the base (1), the other end of one support rod (20) is detachably connected with the transmitter (18), and the other end of the other support rod (20) is detachably connected with the receiver (19).
5. A method of product assembly gap control according to claim 1 or 2, characterized in that in step one, when the sensor one (6) is used to measure the doming height B of the rupture disc (4), the control system controls the motor (10) to start, and the rotating disc (11) is rotated through a certain angle under the drive of the motor (10) so that the sensor one (6) corresponds to the diffuser (2).
6. A method of product assembly clearance control according to claim 1 or 2, characterised in that in step two the combustion chamber (7) is mounted on the press-fit shaft (12), the control system again controls the motor (10) to operate, the rotating disc (11) being rotated through an angle by the drive of the motor (10) such that the combustion chamber (7) is located directly above the diffuser (2) and corresponds to the diffuser (2).
7. A method for controlling assembly clearance of products according to claim 1 or 2, characterized in that in step four, when the servo cylinder (9) presses the combustion chamber (7), the control system controls the servo cylinder (9) to work, the output end of the servo cylinder (9) acts on the limiting block (13) against the acting force of the spring (14), and the press-fitting shaft (12) drives the combustion chamber (7) to move downwards according to the set total stroke, so that the combustion chamber (7) is assembled into the diffuser (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210340930.6A CN114734228B (en) | 2022-04-02 | 2022-04-02 | Method for controlling product assembly clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210340930.6A CN114734228B (en) | 2022-04-02 | 2022-04-02 | Method for controlling product assembly clearance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114734228A CN114734228A (en) | 2022-07-12 |
| CN114734228B true CN114734228B (en) | 2024-04-02 |
Family
ID=82278336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210340930.6A Active CN114734228B (en) | 2022-04-02 | 2022-04-02 | Method for controlling product assembly clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114734228B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684766A (en) * | 2012-10-04 | 2015-06-03 | 株式会社大赛璐 | Gas generation apparatus and method for assembling same |
| JP2015171847A (en) * | 2014-03-12 | 2015-10-01 | 日本化薬株式会社 | gas generator |
| CN205254472U (en) * | 2015-12-14 | 2016-05-25 | 天合富奥汽车安全系统（长春）有限公司 | Gasbag component assembly anchor clamps |
| CN112757239A (en) * | 2021-01-26 | 2021-05-07 | 西峡县飞龙汽车部件有限公司 | Device for automatically detecting press mounting height and necking clearance of bushing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5399935B2 (en) * | 2010-02-03 | 2014-01-29 | 株式会社ダイセル | Gas generator |
-
2022
- 2022-04-02 CN CN202210340930.6A patent/CN114734228B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684766A (en) * | 2012-10-04 | 2015-06-03 | 株式会社大赛璐 | Gas generation apparatus and method for assembling same |
| JP2015171847A (en) * | 2014-03-12 | 2015-10-01 | 日本化薬株式会社 | gas generator |
| CN205254472U (en) * | 2015-12-14 | 2016-05-25 | 天合富奥汽车安全系统（长春）有限公司 | Gasbag component assembly anchor clamps |
| CN112757239A (en) * | 2021-01-26 | 2021-05-07 | 西峡县飞龙汽车部件有限公司 | Device for automatically detecting press mounting height and necking clearance of bushing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114734228A (en) | 2022-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4862567A (en) | Seating die for use in a reloading press | |
| CN102565997B (en) | High-precision focusing device used for space optical remote sensing instrument | |
| CN114734228B (en) | Method for controlling product assembly clearance | |
| JP4142620B2 (en) | Device that pushes the shaft into the stator housing | |
| US7959422B2 (en) | Oil pump and method of assembling the oil pump | |
| EP0637736A2 (en) | Piezoelectric pressure sensor and method of manufacturing the same | |
| CN116753892B (en) | Detection device for axial clearance of ball pin | |
| KR101480643B1 (en) | Flow control valve assembly device and method | |
| CN104015030A (en) | Pressing device of cylinder sleeve | |
| JPH09500435A (en) | Device and method for adjusting valve stroke | |
| JP2002273628A (en) | Device and method for controlling press of servo press | |
| KR100367922B1 (en) | Valve lift setting device and setting method | |
| JPH09236114A (en) | Assembly method for ball joint | |
| KR101359863B1 (en) | Method and device for producing a multicomponent compound | |
| CN114441113A (en) | Air-suction seed sowing device air tightness detection system and method | |
| CN113764976A (en) | Method for assembling optical lens of semiconductor laser pumping source | |
| CN105043267A (en) | Dynamic alignment quantity tester for clutch self-alignment release bearing | |
| CN218836681U (en) | Press mounting device for motor coded disc fixing sleeve | |
| CN218480141U (en) | Rotary butt joint device for main gear and auxiliary gear | |
| CN213688767U (en) | Automatic detection and calibration device for assembling pretightening force of main shaft bearing of small aircraft | |
| CN218098300U (en) | Test bench for testing tapered roller bearing | |
| CN216299137U (en) | Electric screwdriver and torque transmission mechanism thereof | |
| CN115055798B (en) | Servo pressurizing mechanism for projection welding process and projection welding equipment | |
| SU1472220A1 (en) | Apparatus for press-fitting articles onto splined shafts | |
| CN218628193U (en) | Utensil is examined to profile of tooth part concentricity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |