CN115971395A - Riveting size control method and riveting size control device - Google Patents
Riveting size control method and riveting size control device Download PDFInfo
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- CN115971395A CN115971395A CN202310128090.1A CN202310128090A CN115971395A CN 115971395 A CN115971395 A CN 115971395A CN 202310128090 A CN202310128090 A CN 202310128090A CN 115971395 A CN115971395 A CN 115971395A
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Abstract
The invention discloses a riveting size control method and a riveting size control device, which comprise the following steps: establishing a required riveting force model based on a yield criterion during riveting of rivets; establishing a driving force model between the control parameter and the output force of the riveting equipment; and coupling the driving force model with the riveting force model to obtain a control parameter of the riveting equipment and a riveting model of the size of the riveted joint after riveting. The invention can accurately control the size of the formed rivet pier head by controlling the control parameters of the riveting equipment.
Description
Technical Field
The invention relates to the technical field of riveting, in particular to a riveting size control method and a riveting size control device.
Background
In the riveting process, a rivet rod of the rivet is upset in a hole of a connected piece, and the head of the rivet rod is upset in one end stroke, so that the connection of different parts is realized. The riveting process is simple to operate, can realize the connection of different materials, and is widely applied to various industrial production, taking aircraft manufacturing and assembling as an example, riveting is the most applied connection mode, and the riveting and assembling workload accounts for more than 20% of the whole machine manufacturing workload.
The most important and most intuitive method for evaluating the riveting quality is to detect the size of a rivet head after riveting, and a large amount of researches prove that the size of the rivet head which is too large or too small has important influence on the shearing, the pull-off strength, the fatigue performance of a connected joint or the deformation degree of the connected joint, and the size of the rivet head is related to the extending amount of the rivet and the riveting force. The size of the upset head after riveting is accurately controlled, and the method has important significance on the structural connection performance and the production quality consistency of products.
The current riveting operation relies on automation equipment to accomplish gradually, and current riveting equipment includes the electromagnetic riveting equipment that adopts the squeeze riveter of atmospheric pressure or hydraulic pressure as the power supply or utilizes the electromagnetic transformation principle, has to the operation main mode of riveting process: and setting riveting force, riveting voltage or riveting displacement stroke to complete corresponding parameter setting to realize control of riveting operation. The setting of the parameters mainly depends on the experience of an operator and a large number of tests, and the riveting force is easily selected too much due to the dependence on the experience. The excessive riveting force and the misalignment of the riveting force and the axis of the rivet rod can not only cause huge impact damage to workpieces to be riveted, but also cause shearing damage to the rivet rod and the upset head of the rivet, thereby bringing about the problems of production quality and potential safety hazards of product service. The control parameters of the riveting equipment cannot be accurately controlled according to the required riveting head.
Disclosure of Invention
In view of the above, it is necessary to provide a riveting dimension control method and a riveting dimension control device, which solve the technical problem in the prior art that the control parameters of the riveting equipment cannot be accurately controlled according to the required riveting head.
In order to achieve the technical purpose, the technical scheme of the invention provides a riveting size control method, which comprises the following steps:
establishing a required riveting force model based on a yield criterion during riveting of a rivet;
establishing a driving force model between a control parameter and an output force of riveting equipment;
and coupling the driving force model with the riveting force model to obtain a control parameter of the riveting equipment and a riveting model of the size of the riveted joint after riveting.
In one embodiment, establishing a rivet force model required for riveting of a rivet based on a yield criterion includes:
establishing a riveting volume model between the volumes of rivets before and after riveting;
establishing a squeezing stress model between the squeezing stress required by the rivet based on the yield criterion and the rivet material;
building a calculation model among extrusion stress, riveting force and extrusion surface area during riveting;
and substituting the riveting volume model and the extrusion stress model into the calculation model to obtain the riveting force model.
In one embodiment, establishing a riveted volume model between the pre-riveted and post-riveted volumes comprises:
D 0 2 H 0 ＝D 2 H
wherein D is 0 To the selected diameter of the rivet, H 0 The extending amount of the rivet matched with the connected interlayer is shown, D is the diameter of the pier head of the rivet after riveting, and H is the height of the pier head of the rivet after riveting.
In one embodiment, establishing a compressive stress model between the required compressive stress of the rivet based on yield criteria and the rivet material includes:
σ＝m(ε) n
where σ is the compressive stress and ε is the overhang H 0 Upset strain associated with upset height H, m and n are the strength factor and hardening index, respectively, associated with the rivet material.
In one embodiment, the establishing a calculation model among the extrusion stress, the riveting force and the area of the extrusion surface during riveting includes:
wherein, F R The riveting force required during riveting is A, and the area of the extrusion surface of the pier head of the riveted rivet is A.
In one embodiment, the obtaining the riveting force model by substituting the riveting volume model and the extrusion stress model into the calculation model includes:
the calculation formula of the pier head diameter and the riveting force required by riveting the rivet is as follows:
or, a calculation formula of the pier head height and the riveting force required by riveting the rivet is as follows:
in one embodiment, the riveting device is an electromagnetic riveting device, and the electromagnetic riveting force generated by the electromagnetic riveting device is calculated by the formula:
k is a system inherent parameter of an RLC discharge circuit of the electromagnetic riveting device, and V is a riveting voltage of the electromagnetic riveting device;
furthermore, the electromagnetic riveting force F generated by the electromagnetic riveting equipment E ＝F R 。
The invention also relates to a riveting size control device, and the riveting equipment comprises a riveting gun head and a riveting die, wherein the riveting die is connected with the riveting gun head;
the caulking size control device further includes:
the top iron clamp is provided with a groove for accommodating a rivet head, and the groove is arranged opposite to the riveting die;
and the limiting part is connected with the top iron clamp, arranged on a moving path of the riveting gun head or the riveting die and used for limiting the sliding range of the riveting gun head and the riveting die so as to control the size of the riveted riveting head.
In one embodiment, the limiting part comprises a limiting flange and a limiting shaft sleeve, the limiting flange is detachably connected to the top iron clamp and can fix a workpiece to be riveted to the top iron clamp, the limiting flange is further provided with a through hole for the riveting die to slide, and the inner diameter of the through hole is matched with the outer diameter of the riveting die; the limiting shaft sleeve is connected with the limiting flange and arranged on one side, away from the top iron clamp, of the limiting flange, and the limiting shaft sleeve is arranged on a moving path of the riveting gun head or the riveting die, detachably connected with the limiting flange and used for limiting the sliding range of the riveting gun head and the riveting die.
Compared with the prior art, the invention has the beneficial effects that: the riveting force required by riveting of the rivet 5 can be determined by establishing a riveting force model; the output force can be controlled by setting control parameters by establishing a driving force model; the riveting force model is coupled with the driving force model, the pier head of the rivet with the preset size can be obtained by setting the control parameters, otherwise, the control parameters of the needed riveting setting can be obtained by setting the size of the pier head of the needed rivet, so that the riveting process of the rivet is quantized through the riveting model, the influence of artificial experience on the riveting quality is reduced, and the product quality and the production consistency are improved.
Drawings
FIG. 1 is a three-dimensional schematic diagram of a method for controlling a rivet size according to an embodiment of the present invention;
FIG. 2 is a three-dimensional schematic view of a rivet dimension control apparatus according to an embodiment of the present invention;
FIG. 3 is a three-dimensional schematic view of a caulking dimension control device according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a riveting dimension control device according to an embodiment of the present invention before riveting;
FIG. 5 is a schematic structural diagram of a riveted joint size control device according to an embodiment of the present invention;
fig. 6 is a three-dimensional schematic view of a containment flange in a rivet sizing apparatus according to an embodiment of the present invention.
Description of the reference numerals:
a riveting apparatus 1;
riveting a gun head 11;
riveting a die 12;
a top iron clamp 2;
a groove 2a;
a stopper 3;
a containment flange 31;
a limit shaft sleeve 32;
a rivet 5;
and 6, riveting the workpiece to be riveted.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
As shown in fig. 1, the present invention provides a riveting size control method, including the steps of:
establishing a required riveting force model based on a yield criterion when the rivet 5 is riveted;
establishing a driving force model between the control parameter and the output force of the riveting equipment 1;
and coupling the driving force model with the riveting force model to obtain a riveting model of the control parameters of the riveting equipment 1 and the size of the riveted joint after riveting by the rivet 5.
The riveting force required by riveting of the rivet 5 can be determined by establishing a riveting force model; the output force can be controlled by setting control parameters by establishing a driving force model; the riveting force model is coupled with the driving force model, the pier head of the rivet 5 with the preset size can be obtained by setting the control parameters, otherwise, the control parameters of the required riveting setting can be obtained by setting the pier head size of the rivet 5, so that the riveting process of the rivet 5 is quantified through the riveting model, the influence of human experience on the riveting quality is reduced, and the product quality and the production consistency are improved.
In one embodiment, establishing a riveting force model required for riveting of the rivet 5 based on the yield criterion includes:
establishing a riveting volume model between the volumes of the rivets (5) before and after riveting;
establishing a model of the extrusion stress between the required extrusion stress of the rivet 5 based on the yield criterion and the material of the rivet 5;
building a calculation model among extrusion stress, riveting force and extrusion surface area during riveting;
and substituting the riveting volume model and the extrusion stress model into the calculation model to obtain the riveting force model.
The volume of the rivet 5 is unchanged in the riveting process, and the volume of the rivet 5 before riveting is known, so that a riveting volume model of the diameter and the height of the pier head of the rivet 5 can be obtained; calculating extrusion stress according to the material of the rivet 5, substituting the riveting volume model and the extrusion stress model into the calculation model to obtain a riveting force model, obtaining the required riveting force by inputting the diameter and the height of the pier head and the related parameters of the material of the rivet 5, parameterizing the riveting force required by the rivet 5, and controlling the riveting equipment 1 to input the riveting force to obtain the pier head with the required size.
In one embodiment, establishing a riveted volume model between the pre-riveted and post-riveted volumes comprises:
D 0 2 H 0 ＝D 2 H
wherein D is 0 For the selected diameter of the rivet 5, H 0 The extending amount of the rivet 5 matched with the connected interlayer is determined, D is the diameter of the pier head of the rivet 5 after riveting, and H is the height of the pier head of the rivet 5 after riveting.
In this embodiment, the process of moulding the rivet 5 is simplified, the process of moulding the rivet 5 conforms to the assumption that the volume is unchanged, the expansion of the rivet rod of the rivet 5 in the rivet 5 hole is ignored, the volume of the external extension of the riveting coin rivet 5 is considered to be equal to the volume of the pier head after riveting, and the riveting volume model before and after riveting is simplified.
In one embodiment, establishing a compressive stress model between the required compressive stress of the rivet 5 based on yield criteria and the material of the rivet 5 includes:
σ＝m(ε) n
where σ is the compressive stress and ε is the overhang H 0 Upset strain, m and n, associated with upset height H, are the strength factor and hardening index, respectively, associated with the rivet 5 material.
The above-mentioned parameters of epsilon, m and n are substituted into the above-mentioned extrusion stress model, so that the riveting stress required for riveting can be obtained, and the extrusion stress required for different rivets 5 can be quantized.
In one embodiment, the establishing a calculation model among the extrusion stress, the riveting force and the area of the extrusion surface during riveting includes:
wherein, F R In order to obtain the required riveting force during riveting, A is the area of the extrusion surface of the pier head of the riveted rivet 5.
The extrusion stress sigma can be calculated according to the material of the rivet 5, the extrusion area of the pier head required after riveting can be obtained according to the presetting, and the required riveting force F can be obtained by substituting the data into the calculation model R 。
In one embodiment, the obtaining the riveting force model by substituting the riveting volume model and the extrusion stress model into the calculation model includes:
a calculation formula of the pier head diameter and the riveting force required by riveting of the rivet 5 is as follows:
or, the calculation formula of the pier head height and the riveting force required by riveting the rivet 5 is as follows:
the riveting volume model and the extrusion stress model are substituted into the calculation model, so that a calculation formula of the pier head diameter and the riveting force and a calculation formula of the pier head height and the riveting force can be respectively obtained, the required riveting force can be obtained according to the required pier head diameter, and the required riveting force can be obtained according to the required pier head diameter.
In one embodiment, the riveting device 1 is an electromagnetic riveting apparatus, and an electromagnetic riveting force calculation formula generated by the electromagnetic riveting device is as follows:
k is a system inherent parameter of an RLC discharge circuit of the electromagnetic riveting device, and V is a riveting voltage of the electromagnetic riveting device;
furthermore, the electromagnetic riveting force F generated by the electromagnetic riveting equipment E ＝F R 。
When the riveting apparatus 1 is an electromagnetic riveting device, the required electromagnetic riveting force F R When the riveting force is determined, the voltage required by the electromagnetic riveting equipment can be calculated through the electromagnetic riveting force formula, the voltage is output to the electromagnetic riveting equipment, the electromagnetic riveting equipment outputs the preset electromagnetic riveting force to the rivet 5, the riveting between the rivet 5 and the workpiece 6 to be riveted is realized, and the preset electromagnetic riveting force can be obtainedThe pier heads with the sizes are arranged, the electromagnetic riveting force is judged without depending on the experience of people in the whole process, so that the sizes of the pier heads formed after riveting of the rivets 5 are consistent, and the riveting quality of products is improved.
The control method, the flow and the parameter setting in the invention can be integrated on the control system or the operation terminal of the existing riveting equipment 1 by using different programming languages through modes of software, hardware, circuits and the like.
Riveting force F obtained through theoretical calculation R In order to obtain the minimum riveting force of the preset pier head size and avoid the impact or damage of the excessive riveting force on the pier head of the rivet 5 or a layer to be connected to the maximum extent, theoretically, if the size of the riveted pier head does not meet the expected or unsatisfied process specification, the size can be adjusted by correcting parameters or material strength coefficients or hardening indexes in a model, so that the required size of the pier head is obtained, and meanwhile, the consumption of excessive energy and the potential damage risk of products in the manufacturing process are avoided.
In one embodiment, when the riveting force F is provided R The riveting equipment 1 which adopts air pressure or hydraulic pressure as a power source can continuously establish the pressure P and the riveting force F in the air pressure or the hydraulic pressure R And substituting the pressure model into the riveting force model to obtain a calculation formula of the pressure P and the height H or the diameter D in the size of the pier head.
In this embodiment, a riveting force F is established R In relation to the pressure of the pneumatically or hydraulically driven riveting apparatus 1, an apparatus to which the riveting size control method is applicable is added.
In one embodiment, after the step of obtaining the electromagnetic riveting force calculation formula, the method further includes the steps of:
selecting a rivet 5 meeting the standard and determining the geometric size of a heading required after riveting;
and (4) carrying out riveting operation, measuring the geometric dimension of the riveted pier head, judging whether the geometric dimension meets the process specification and the production requirement, if not, correcting relevant parameters in the model, and repeating the steps until the geometric dimension of the pier head meets the requirement.
In this embodiment, relevant parameters in the model are corrected by testing the size of the riveted pier head, so that the pier head formed by riveting according to the model meets the process specification and the production requirement.
In one embodiment, after obtaining the pier head meeting the geometric dimension requirement, the method further comprises the following steps:
riveting specialties are performed according to parameters meeting requirements.
In one embodiment, if the rivet 5 with other specifications needs to be replaced or the size of the pier head needs to be changed in the riveting process, the model parameter correction step is executed again.
In one of the embodiments, it is also possible to limit the moving distance l of the riveting head 11 and the riveting die 12 of the riveting apparatus 1, the moving distance l of the riveting head 11 and the riveting die 12 satisfying the following relationship:
H 0 -l＝H
and controlling the moving distance l of the riveting gun head 11 and the riveting die 12 to obtain the height H diameter D of the pier head required finally, and further realizing the control of the size of the pier head.
As shown in fig. 2 to 6, the present invention also relates to a caulking size control device including a caulking apparatus 1, the caulking apparatus 1 for outputting caulking force to a rivet 5.
It should be understood that the riveting apparatus 1 can be a pneumatic riveting device, a hydraulic riveting device and an electromagnetic riveting device.
In one embodiment, the riveting device 1 comprises a riveting gun head 11 and a riveting die 12, wherein the riveting die 12 is connected with the riveting gun head 11;
the caulking size control device further includes:
the riveting die comprises a top iron clamp 2, wherein the top iron clamp 2 is provided with a groove 2a for accommodating the head of a rivet 5, and the groove 2a is arranged opposite to a riveting die 12;
and the limiting part 3 are connected with the top iron clamp 2 and are arranged on the moving path of the riveting gun head 11 or the riveting die 12, and are used for limiting the sliding range of the riveting gun head 11 and the riveting die 12 so as to control the size of the riveted riveting head. It should be understood that the riveting device 1 also comprises other structures, but the riveting device 1 is an existing electromagnetic riveting device 1, and in this application, the other structures of the battery riveting device 1 will not be elaborated upon.
When riveting, arranging the rivet head of the rivet 5 in the groove 2a, enabling the rivet stem of the rivet 5 to penetrate through the workpiece 6 to be riveted, aligning the riveting die 12 of the riveting equipment 1 with the rivet stem of the rivet 5, calculating the required electromagnetic riveting force according to the required pier head size and the selected rivet 5 size, calculating voltage according to the required riveting force, transmitting the calculated voltage to the riveting equipment 1, impacting the anchor rod by the riveting die 12 of the riveting equipment 1, and driving the anchor rod to be shaped and deformed to form the pier head, so that the connection of the workpiece 6 to be riveted is realized; moreover, the limiting part 3 is arranged on the moving path of the riveting gun head 11 or the riveting die 12, and the riveting gun head 11 or the riveting die 12 stops moving when impacting the limiting part 3, so that the limiting part 3 can limit the moving range of the riveting gun head 11 and the riveting die 12, and the influence on the size of the formed pier head caused by the over-range movement of the riveting gun head 11 and the riveting die 12 is avoided.
It should be understood that the top iron clamp 2 is made of tool steel, and a reinforcing rib can be arranged on one side of the top iron clamp 2 away from the riveting device 1 to improve the rigidity of the top iron clamp 2; the inner wall of the groove 2a can be locally quenched to improve the hardness of the inner wall of the groove 2a, the position, number and geometric dimensions (diameter, depth, grooving angle, etc.) of the groove 2a are determined by the workpiece 6 to be riveted and the rivet 5, and can be set according to actual production conditions,
in one embodiment, the limiting member 3 comprises a limiting flange 31 and a limiting shaft sleeve 32, the limiting flange 31 is detachably connected to the top iron clamp 2 and can fix the workpiece 6 to be riveted to the top iron clamp 2, the limiting flange 31 is further provided with a through hole for the riveting die 12 to slide, and the inner diameter of the through hole is matched with the outer diameter of the riveting die 12; the limiting shaft sleeve 32 is connected with the limiting flange 31 and arranged on one side, far away from the top iron clamp 2, of the limiting flange 31, and the limiting shaft sleeve 32 is arranged on a moving path of the riveting gun head 11 or the riveting die 12 and detachably connected with the limiting flange 31 and used for limiting the sliding range of the riveting gun head 11 and the riveting die 12. It should be understood that the inner diameter of the through hole is equal to or clearance fit with the outer diameter of the riveting die 12, and the restricting flange 31 is coaxially arranged with the limiting sleeve 32.
By arranging the constraint flange 31, the constraint flange 31 can fix the workpiece 6 to be riveted on the top iron clamp 2, and during riveting, the riveting die 12 slides through the through hole and then impacts the rivet 5, the riveting die 12 can vibrate when impacting the rivet 5, and the constraint flange 31 can limit the position of the riveting die 12, so that the riveting die 12 is prevented from shaking, and the riveting precision can be improved; through setting up spacing axle sleeve 32, spacing axle sleeve 32 is used for restricting the stock and rivets the home range of mould 12, needs the structural strength and the appearance geometry of regularly checking spacing axle sleeve 32, if take place seriously to warp or when damaging, spacing axle sleeve 32 and restraint dismantled between the flange 31 to be connected for spacing axle sleeve 32 can be changed as required.
When the riveting gun head 11 or the riveting die 12 impacts the limiting shaft sleeve 32, the moving distance between the riveting gun head 11 and the riveting die 12 is l, and the following relations are satisfied:
H 0 -l＝H
the adjustment of the moving distance l of the riveting gun head 11 and the riveting die 12 of the riveting equipment 1 is realized by using the limiting shaft sleeves 32 with different lengths, the height H diameter D of the final pier head is further obtained, and the size of the pier head is further controlled.
In one embodiment, the riveting size control device further comprises at least one pressing piece 4, wherein the pressing piece 4 is detachably connected to the top iron clamp 2 and is used for fixing the layer to be connected to the top iron clamp 2. It should be understood that the number of preforms 4 may be one, two, three, etc.
Through setting up preforming 4, can provide better fixed effect for treating the articulamentum, avoid riveted in-process to treat that articulamentum is to top iron anchor clamps 2 relatively and remove.
In one embodiment, the riveting size control device has two pressing sheets 4, and the two pressing sheets 4 are arranged on two sides of the constraint flange 31 at intervals.
It should be understood that, in the present application, the detachable connection may be realized by a screw, a bolt, a fastener, a slot, or the like.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A riveting dimension control method is characterized by comprising the following steps:
establishing a required riveting force model based on a yield criterion during riveting of rivets;
establishing a driving force model between a control parameter and an output force of riveting equipment;
and coupling the driving force model with the riveting force model to obtain a riveting model of the control parameters of the riveting equipment and the size of the riveted joint after riveting.
2. The caulking size control method according to claim 1,
the method for establishing the riveting force model required by riveting of the rivet based on the yield criterion comprises the following steps:
establishing a riveting volume model between the volumes of rivets before and after riveting;
establishing a squeezing stress model between the squeezing stress required by the rivet based on the yield criterion and the rivet material;
building a calculation model among extrusion stress, riveting force and extrusion surface area during riveting;
and substituting the riveting volume model and the extrusion stress model into the calculation model to obtain the riveting force model.
3. The caulking size control method according to claim 2,
establish the riveting volume model between volume before riveting and after riveting, include:
D 0 2 H 0 ＝D 2 H
wherein D is 0 To the selected diameter of the rivet, H 0 The extending amount of the rivet matched with the connected interlayer is shown, D is the diameter of the pier head of the rivet after riveting, and H is the height of the pier head of the rivet after riveting.
4. The caulking size control method according to claim 1,
establishing a compression stress model between the required compression stress of the rivet based on the yield criterion and the rivet material, comprising:
σ＝m(ε) n
where σ is the compressive stress and ε is the overhang H 0 Upset strain associated with upset height H, m and n are the strength factor and hardening index, respectively, associated with the rivet material.
5. The caulking size control method according to claim 4,
the method for establishing a calculation model among the extrusion stress, the riveting force and the extrusion surface area during riveting comprises the following steps:
wherein, F R And A is the area of the extrusion surface of the pier head of the riveted rivet, which is the riveting force required during riveting.
6. The caulking size control method according to claim 5,
substituting the riveting volume model and the extrusion stress model into the calculation model to obtain the riveting force model, which comprises the following steps:
the calculation formula of the pier head diameter and the riveting force required by riveting the rivet is as follows:
or, a calculation formula of the pier head height and the riveting force required by riveting the rivet is as follows:
7. the riveting size control method according to claim 6, wherein the riveting equipment is an electromagnetic riveting device, and the electromagnetic riveting force generated by the electromagnetic riveting equipment is calculated by the formula:
k is a system inherent parameter of an RLC discharge circuit of the electromagnetic riveting device, and V is a riveting voltage of the electromagnetic riveting device;
furthermore, the electromagnetic riveting force F generated by the electromagnetic riveting equipment E ＝F R 。
8. A riveting size control device is characterized by comprising riveting equipment, wherein the riveting equipment is used for outputting riveting force to a rivet.
9. The riveting size control device according to claim 8, wherein the riveting equipment comprises a riveting gun head and a riveting die, and the riveting die is connected with the riveting gun head;
the caulking size control device further includes:
the top iron clamp is provided with a groove for accommodating a rivet head, and the groove is arranged opposite to the riveting die;
and the limiting part is connected with the top iron clamp, arranged on a moving path of the riveting gun head or the riveting die and used for limiting the sliding range of the riveting gun head and the riveting die so as to control the size of the riveted riveting head.
10. The riveting size control device according to claim 9, wherein the limiting member comprises a limiting flange and a limiting shaft sleeve, the limiting flange is detachably connected to the top iron clamp and can fix a workpiece to be riveted to the top iron clamp, the limiting flange is further provided with a through hole for the riveting die to slide, and the inner diameter of the through hole is matched with the outer diameter of the riveting die; the limiting shaft sleeve is connected with the limiting flange and arranged on one side, away from the top iron clamp, of the limiting flange, and the limiting shaft sleeve is arranged on a moving path of the riveting gun head or the riveting die, detachably connected with the limiting flange and used for limiting the sliding range of the riveting gun head and the riveting die.
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| CN202310128090.1A CN115971395A (en) | 2023-02-13 | 2023-02-13 | Riveting size control method and riveting size control device |
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| CN202310128090.1A CN115971395A (en) | 2023-02-13 | 2023-02-13 | Riveting size control method and riveting size control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117282909A (en) * | 2023-11-22 | 2023-12-26 | 成都航空职业技术学院 | Intelligent riveting control system and intelligent riveting method based on man-machine cooperation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117282909A (en) * | 2023-11-22 | 2023-12-26 | 成都航空职业技术学院 | Intelligent riveting control system and intelligent riveting method based on man-machine cooperation |
| CN117282909B (en) * | 2023-11-22 | 2024-02-09 | 成都航空职业技术学院 | Intelligent riveting control system and intelligent riveting method based on man-machine cooperation |
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