CN214683898U - Multi-point expanding and riveting assembly tool for aeronautical instrument - Google Patents
Multi-point expanding and riveting assembly tool for aeronautical instrument Download PDFInfo
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- CN214683898U CN214683898U CN202120773210.XU CN202120773210U CN214683898U CN 214683898 U CN214683898 U CN 214683898U CN 202120773210 U CN202120773210 U CN 202120773210U CN 214683898 U CN214683898 U CN 214683898U
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Abstract
The utility model discloses an aeronautical instrument multiple spot expands rivets assembly fixture relates to assembly fixture technical field, including gear plate subassembly, positioner and drift device, be provided with a plurality of expanding riveting holes on the gear plate subassembly, positioner is located gear plate subassembly bottom, and positioner is used for positioning gear plate subassembly, and the drift device is located gear plate subassembly top, and the drift device includes the drift seat, and drift seat bottom is provided with a plurality of expanding riveting drifts, expands riveting drift and expanding riveting hole one-to-one, the utility model has the advantages of improved gear plate subassembly assembly efficiency, the atress is even, the uniformity is good, improved assembly quality.
Description
Technical Field
The utility model relates to an assembly fixture technical field, specific theory is an aeronautical instrument multiple spot expands rivets assembly fixture for gear plate subassembly's rapid Assembly.
Background
When an enterprise produces a course indicator of a certain model, wherein a front gear plate is an important fixed supporting part for mounting a dial, the assembly has a large influence on the accuracy of the course indicator, and the assembly error needs to be strictly controlled, as shown in fig. 5, four pillars are fixed in a fixing hole of the front gear plate after being deformed through pillar expanding and riveting holes, and the pillars need to be firmly fixed on the front gear plate after assembly, namely the pillars cannot rotate around the axes of the pillars and cannot slide in the axis direction of the pillars, and meanwhile, the perpendicularity of the axes of the pillars and the front gear plate also meets the requirement.
At present, before assembly, a gear plate and a support are manually riveted in an expanding mode, during operation, the single riveting is carried out in an expanding mode, the efficiency is low, the stress of the gear plate is uneven, the consistency is poor, parts are easy to deform and damage, and the assembly quality is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aeronautical instrument multiple spot expands rivets assembly fixture to reach the effect that improves gear plate subassembly assembly efficiency and assembly quality.
The utility model discloses a following technical scheme realizes: the utility model provides an aeronautical instrument multiple spot expands rivets assembly fixture, includes gear plate subassembly, positioner and drift device, is provided with a plurality of holes of riveting that expand on the gear plate subassembly, and positioner is located gear plate subassembly bottom, and positioner is used for fixing a position the gear plate subassembly, and the drift device is located gear plate subassembly top, and the drift device includes drift seat, and drift seat bottom is provided with a plurality of drifts of riveting that expand, expands to rivet the drift and expands to rivet the hole one-to-one.
For better realization the utility model discloses, furtherly, drift seat bottom is seted up a plurality ofly and is expanded and rivet drift complex mounting hole.
In order to better realize the utility model discloses, furtherly, seted up a plurality of fixed orificess on the preceding gear plate, all correspond in the fixed orifices and be provided with the pillar, gear plate bottom before the pillar stretches out expands the riveting hole and sets up at the pillar top.
In order to better realize the utility model discloses, furtherly, expand and rivet the drift bottom and also all be the back taper, expand the tapering of riveting the drift bottom and the tapering of fixed orifices unanimously.
In order to better realize the utility model discloses, furtherly, positioner includes the bed plate, is provided with the locating plate on the bed plate, has seted up a plurality ofly on the locating plate and has corresponded pillar complex locating hole.
In order to better realize the utility model discloses, further, preceding gear plate lower surface and locating plate upper surface contact, the pillar can pass the locating hole and contact with the bed plate.
In order to better realize the utility model discloses, furtherly, the locating plate top is provided with the arch, seted up on the preceding gear plate with protruding complex trepanning.
In order to better realize the utility model discloses, furtherly, positioner still includes two at least locating pins that set up on the bed plate, and the locating plate side is seted up and is corresponded locating pin complex draw-in groove.
For better realization the utility model discloses, further, still include ejecting device, ejecting device is used for the ejecting positioner of gear plate subassembly.
For better realization the utility model discloses, furtherly, ejecting device includes the bottom plate, is provided with a plurality of ejector pins with the locating hole one-to-one on the bottom plate.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses a positioner can fix a position good gear plate subassembly, gear plate and a plurality of pillar before fixing promptly, when the drift device moves down and makes the expand rivet drift stretch into expand the riveting hole and make it warp, positioner can provide the supporting role to the gear plate subassembly, can carry out once only through the drift device simultaneously and expand the riveting, promptly once only expand and rivet a plurality of pillars, improved assembly efficiency, also avoided single expand to rivet and lead to the influence that the atress is uneven, convenient operation, the reliability is high, thereby assembly quality has been improved;
(2) in the positioning device, due to the limitation of the positioning pin, the positioning plate can be taken out along the axis direction of the positioning pin but cannot move in the radial direction of the positioning pin, so that the positioning accuracy is ensured, and meanwhile, the bulge on the positioning plate can pass through the sleeve hole on the front gear plate, so that the front gear plate is conveniently positioned and installed;
(3) when the gear plate component is ejected, the ejection device utilizes the ejector rods to extend into the positioning holes to be in contact with the supporting columns, so that the stress is uniform when the gear plate component is taken out, the verticality of the four supporting columns and the front gear plate is not influenced after the gear plate component is taken out, and the product quality is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale. All the inventive innovations should be considered as disclosed and within the scope of the invention.
Fig. 1 is a schematic structural view of an aeronautical instrument multipoint rivet expanding assembly tool provided by the utility model;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a schematic view of another perspective explosion structure of the present invention;
fig. 4 is a schematic structural view of the ejection device and the positioning plate when they are used together;
fig. 5 is a schematic structural view of the middle gear plate assembly of the present invention.
Wherein: 1-gear plate component, 1.1-front gear plate, 1.1.1-fixing hole, 1.1.2-trepanning hole, 1.2-pillar, 2-positioning device, 2.1-base plate, 2.2-positioning plate, 2.2.1-positioning hole, 2.2.2-clamping groove, 2.3-positioning pin, 3-rivet expanding hole, 4-punch device, 4.1-punch seat, 4.1.1-mounting hole, 4.2-rivet expanding punch, 5-protrusion, 6-ejection device, 6.1-base plate and 6.2-ejector rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
the utility model provides an aeronautical instrument multiple spot of this embodiment expands rivets assembly fixture, as shown in fig. 1-5, this embodiment provides an aeronautical instrument multiple spot expands rivets assembly fixture, including gear plate subassembly 1, positioner 2 and punch device 4, be provided with a plurality of holes 3 that expand on the gear plate subassembly 1, positioner 2 is located gear plate subassembly 1 bottom, positioner 2 is used for positioning gear plate subassembly 1, punch device 4 is located gear plate subassembly 1 top, punch device 4 includes punch holder 4.1, punch holder 4.1 bottom is provided with a plurality of punches 4.2 that expand and rivet, expand and rivet punch 4.2 and expand 3 one-to-one in holes, expand and rivet punch 4.2 and can expand the 3 extrusion deformation expansion in holes, thereby accomplish the assembly of gear plate subassembly 1.
During the operation, assemble the gear plate subassembly 1 on positioner 2 earlier, fix a position through positioner 2 and fix gear plate subassembly 1, the operating specification, the error is little, can carry out disposable location, make the even atress of a plurality of pillars 1.2, when drift device 4 moves down the messenger expand to rivet drift 4.2 and stretch into and expand when riveting hole 3 makes its deformation, positioner 2 can provide the supporting role to gear plate subassembly 1, can once only expand to rivet through drift device 4 simultaneously, automatic operation, the assembly efficiency has been improved, also avoided expanding through manual single and riveting the influence that leads to the atress inequality, and convenient for operation, the reliability is high, assembly error is low, thereby assembly quality has been improved, through the utility model discloses the product quality who makes is high, satisfies durable requirement.
It should be noted that the punch holder 4.1 may be fixed to a punching rod (not shown) of a punch press, the punch holder 4.1 and the rivet expanding punches 4.2 form a punching end of a punching assembly tool, and the rivet expanding punches 4.2 have a high hardness design requirement to achieve a durable purpose.
Example 2:
the embodiment is further optimized on the basis of the embodiment 1, as shown in fig. 3, the bottom of the punch holder 4.1 is provided with a plurality of mounting holes 4.1.1 matched with the expanding riveting punch 4.2, the expanding riveting punch 4.2 is in interference fit with the mounting holes 4.1.1 of the punch holder 4.1, and a detachable structure design is adopted, so that the height of the expanding riveting punch 4.2 is convenient to replace or adjust, and the use is flexible.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
in this embodiment, a further optimization is performed on the basis of the above embodiment 1 or 2, as shown in fig. 1 to 5, the gear plate assembly 1 includes a front gear plate 1.1, the front gear plate 1.1 is provided with a plurality of fixing holes 1.1.1, the fixing holes 1.1.1 are all provided with pillars 1.2, the pillars 1.2 extend out of the bottom of the front gear plate 1.1, and the rivet expanding holes 3 are provided at the tops of the pillars 1.2, that is, the tops of the pillars 1.2 are located in the fixing holes 1.1.1, and the rest of the pillars are located below the fixing holes 1.1.1. The fixed orifices 1.1.1 all is the back taper, expands and rivets drift 4.2 bottom and also all is the back taper, expands the tapering of riveting drift 4.2 bottom and the tapering of fixed orifices 1.1.1 unanimously, expands and rivets drift 4.2 and stretches into the expanding of pillar 1.2 and rivet the hole 3 time, to pillar 1.2 top extrusion deformation until laminating fixed orifices 1.1.1 to the completion is fixed the operation on preceding pinion plate 1.1 with pillar 1.2 assembly.
It should be noted that, the length and the taper of the expanding riveting punch 4.2 are designed to be consistent, so that the effect that the stroke and the stress of the support column 1.2 are consistent is achieved, four support columns 1.2 are generally arranged according to the design requirements of parts, and the centers of the front gear plates 1.1 of the four support columns 1.2 are uniformly distributed in an annular array, so that the expanding riveting punch 4.2 is correspondingly provided with four, and the positions are corresponding.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the embodiment is further optimized on the basis of the above embodiment 3, as shown in fig. 1 to 4, the positioning device 2 includes a base plate 2.1, the base plate 2.1 is provided with a positioning plate 2.2, the positioning plate 2.2 is provided with a plurality of positioning holes 2.2.1 matched with the corresponding pillars 1.2, during installation, the pillars 1.2 are respectively inserted into the corresponding positioning holes 2.2.1 to prevent the front gear plate 1.1 from shifting, thereby playing a role of limiting and fixing. After the installation, preceding gear plate 1.1 lower surface and locating plate 2.2 upper surface contact, pillar 1.2 can pass locating hole 2.2.1 and contact with bed plate 2.1, and locating hole 2.2.1 location size of locating plate 2.2 is unanimous with preceding gear plate 1.1, and the degree of depth is unanimous with pillar 1.2 to play the function of supporting and bearing the impact force.
It should be noted that, here, the base plate 2.1 is fixed on a base (not shown in the drawings) of the pneumatic punch press, the position of the pneumatic punch press can be adjusted, here, the positioning plate 2.2 and the base plate 2.1 form a base end of the assembly fixture, and the base plate 2.1 should have an adjusting function to meet the use requirement of the pneumatic punch press.
The other parts of this embodiment are the same as those of embodiment 3, and thus are not described again.
Example 5:
this embodiment is further optimized on the basis of any one of the above-mentioned embodiments 4, as shown in fig. 1-4, the top of the positioning plate 2.2 is provided with a protrusion 5, the front gear plate 1.1 is provided with a trepanning 1.1.2 matched with the protrusion 5, during installation, the trepanning 1.1.2 on the front gear plate 1.1 is sleeved on the protrusion 5, the protrusion 5 is slightly higher than the upper surface of the front gear plate 1.1 after installation, the positioning is firm and stable, the trepanning 1.1.2 is generally a circular hole, and the protrusion 5 is also correspondingly circular.
The other parts of this embodiment are the same as those of embodiment 4, and thus are not described again.
Example 6:
this embodiment is further optimized on the basis of above-mentioned embodiment 4 or 5, as shown in fig. 1-4, the positioning device 2 further includes at least two positioning pins 2.3 disposed on the base plate 2.1, the side end of the positioning plate 2.2 is provided with a slot 2.2.2 matched with the corresponding positioning pin 2.3, because of the position limitation of the positioning pin 2.3, the positioning plate 2.2 can be taken out along the axial direction of the positioning pin 2.3, but cannot move in the radial direction of the positioning pin 2.3, thereby ensuring the positioning accuracy.
In other embodiments, a plurality of movable holes (not shown) matched with the positioning pins 2.3 may also be formed in the positioning plate 2.2, and the positioning pins 2.3 may pass through the movable holes of the positioning plate 2.2, so that the positioning plate is convenient to mount and take out, and is firm and stable in limiting.
The rest of this embodiment is the same as embodiment 4 or 5, and therefore, the description thereof is omitted.
Example 7:
the present embodiment is further optimized on the basis of the above embodiment 4, as shown in fig. 2-4, the present embodiment further includes an ejection device 6, the ejection device 6 is used for ejecting the gear plate assembly 1 out of the positioning device 2, the ejection device 6 includes a bottom plate 6.1, the bottom plate 6.1 is provided with a plurality of ejector rods 6.2 corresponding to the positioning holes 2.2.1 one by one, the ejection device 6 utilizes the plurality of (generally four) ejector rods 6.2 to extend into the positioning holes 2.2.1 to contact with the pillars 1.2, the ejector rods 6.2 are utilized to make the force applied when taking out uniform, and it can be ensured that the perpendicularity between the four pillars 1.2 and the front gear plate 1.1 is not affected after taking out.
The other parts of this embodiment are the same as those of embodiment 4, and thus are not described again.
The utility model discloses the operating procedure as follows:
s1: firstly, the support 1.2 is placed in the positioning hole 2.2.1 of the positioning plate 2.2, then the front gear plate 1.1 is placed on the positioning plate 2.2, the rivet head at the upper end of the support 1.2 is adjusted to penetrate through the four fixing holes 1.1.1 on the front gear plate 1.1, and at the moment, the lower surface of the front gear plate 1.1 is just attached to the upper surface of the positioning plate 2.2;
s2: adjusting the relative positions of the punch seat 4.1 and the base plate 2.1 to enable the four rivet expanding punch heads 4.2 to be respectively aligned with the upper end rivet heads (namely the rivet expanding holes 3) of the four pillars 1.2; (in batch production, the base plate 2.1 is fixed after alignment, and subsequent adjustment is not needed)
S3: adjusting the pressure and stroke of the pneumatic punching machine, and punching;
s4: after the punching is finished, the positioning plate 2.2 is taken down from the base plate 2.1, the front gear plate 1.1 and the support 1.2 are still on the positioning plate 2.2, the four push rods 6.2 are aligned with the positioning holes 2.2.1 on the positioning plate 2.2, and the positioning plate 2.2 is pressed down, so that the assembled front gear plate 1.1 and the support 1.2 can be taken down from the positioning plate 2.2.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (10)
1. The utility model provides an aeronautical instrument multiple spot expands rivets assembly fixture, includes:
the riveting tool comprises a gear plate component (1), wherein a plurality of expanding riveting holes (3) are formed in the gear plate component (1);
the positioning device (2) is positioned at the bottom of the gear plate assembly (1), and the positioning device (2) is used for positioning the gear plate assembly (1);
the punching head device (4) is located above the gear plate assembly (1), the punching head device (4) comprises a punching head seat (4.1), a plurality of expanding riveting punching heads (4.2) are arranged at the bottom of the punching head seat (4.1), and the expanding riveting punching heads (4.2) correspond to the expanding riveting holes (3) one to one.
2. The aircraft instrument multipoint expanding riveting assembly tool according to claim 1, wherein a plurality of mounting holes (4.1.1) matched with the expanding riveting punch (4.2) are formed in the bottom of the punch holder (4.1).
3. The aircraft instrument multipoint expanding rivet assembling tool according to claim 1, wherein the gear plate assembly (1) comprises a front gear plate (1.1), a plurality of fixing holes (1.1.1) are formed in the front gear plate (1.1), supporting columns (1.2) are correspondingly arranged in the fixing holes (1.1.1), the supporting columns (1.2) extend out of the bottom of the front gear plate (1.1), and expanding rivet holes (3) are formed in the top of the supporting columns (1.2).
4. The aircraft instrument multipoint expanding riveting assembly tool according to claim 3, wherein the fixing holes (1.1.1) are all in an inverted cone shape, the bottoms of the expanding riveting punches (4.2) are also in an inverted cone shape, and the taper of the bottoms of the expanding riveting punches (4.2) is consistent with that of the fixing holes (1.1.1).
5. The aircraft instrument multipoint expanding rivet assembling tool according to claim 3, wherein the positioning device (2) comprises a base plate (2.1), a positioning plate (2.2) is arranged on the base plate (2.1), and a plurality of positioning holes (2.2.1) matched with corresponding supporting columns (1.2) are formed in the positioning plate (2.2).
6. The aircraft instrument multipoint expanding rivet assembling tool is characterized in that the lower surface of the front gear plate (1.1) is in contact with the upper surface of the positioning plate (2.2), and the support column (1.2) can penetrate through the positioning hole (2.2.1) and is in contact with the base plate (2.1).
7. The assembly fixture is riveted to aeronautical instrument multiple spot that expands of claim 5 or 6, characterized in that, locating plate (2.2) top is provided with arch (5), seted up trepanning (1.1.2) with arch (5) complex on preceding pinion rack (1.1).
8. The assembly fixture is riveted to aeronautical instrument multiple spot that expands of claim 7, characterized in that, positioner (2) still includes two at least locating pins (2.3) of setting on bed plate (2.1), locating plate (2.2) side end seted up with corresponding locating pin (2.3) complex draw-in groove (2.2.2).
9. The aircraft instrument multipoint expanding riveting assembly tool according to claim 5, further comprising an ejection device (6), wherein the ejection device (6) is used for ejecting the gear plate assembly (1) out of the positioning device (2).
10. The assembly fixture for multipoint expanding riveting of the aeronautical instrument according to claim 9, characterized in that the ejection device (6) comprises a bottom plate (6.1), and a plurality of ejector rods (6.2) corresponding to the positioning holes (2.2.1) one by one are arranged on the bottom plate (6.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120773210.XU CN214683898U (en) | 2021-04-15 | 2021-04-15 | Multi-point expanding and riveting assembly tool for aeronautical instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120773210.XU CN214683898U (en) | 2021-04-15 | 2021-04-15 | Multi-point expanding and riveting assembly tool for aeronautical instrument |
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| CN214683898U true CN214683898U (en) | 2021-11-12 |
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| CN202120773210.XU Active CN214683898U (en) | 2021-04-15 | 2021-04-15 | Multi-point expanding and riveting assembly tool for aeronautical instrument |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273533A (en) * | 2021-12-03 | 2022-04-05 | 南阳北方红宇机电制造有限公司 | Point riveting method of single-angle electric detonator |
-
2021
- 2021-04-15 CN CN202120773210.XU patent/CN214683898U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273533A (en) * | 2021-12-03 | 2022-04-05 | 南阳北方红宇机电制造有限公司 | Point riveting method of single-angle electric detonator |
| CN114273533B (en) * | 2021-12-03 | 2023-12-22 | 南阳北方红宇机电制造有限公司 | Point riveting method of single-angle electric detonator |
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