CN113385590B - Double-end floating riveting equipment - Google Patents
Double-end floating riveting equipment Download PDFInfo
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- CN113385590B CN113385590B CN202110652942.8A CN202110652942A CN113385590B CN 113385590 B CN113385590 B CN 113385590B CN 202110652942 A CN202110652942 A CN 202110652942A CN 113385590 B CN113385590 B CN 113385590B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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Abstract
The invention discloses double-head floating type riveting equipment which comprises a rack, a part supporting tool, a double-pressure-head tool, a double-head floating mechanism and a pressure head lifting mechanism, wherein the double-head floating mechanism is arranged on the rack; the double-head floating mechanism comprises a supporting component, an arc-shaped block, a floating block, a spring, a pressure bar guide seat and two pressure bars; the bottom of the arc block is provided with an inner concave arc; the height of each pressure rod can be freely lifted, and the top of each pressure rod is provided with a small top arc protruding upwards; the floating block is arranged between the arc-shaped block and the two pressure rods; the center of the top of the floating block is provided with a large top arc protruding upwards, and two sides of the bottom of the floating block are provided with two bottom arcs protruding downwards; the double-pressure head tool comprises a pressure head guide seat and two pressure heads; the height of each pressure head can be freely lifted. The invention can realize the synchronous riveting of the two second parts, and has stable and reliable riveting quality and doubled production efficiency. In addition, the riveting tool can also adapt to riveting parts of different models and sizes, and is strong in universality.
Description
Technical Field
The invention relates to the technical field of automatic assembly, in particular to double-head floating type riveting equipment.
Background
During the processing or assembling process of automobile parts, instruments and other industries, some parts need to be pressed together to form a new part through two riveting and matching parts. In the riveting process, not only the riveting strength of two positions needs to be ensured, but also the pressure disengaging force when the parts are disengaged is not less than the process strength requirement, and meanwhile, the deformation of the parts caused by the uneven stress of the two riveting positions needs to be prevented.
At present, generally double-end riveting is divided into two riveting through 1 group of hydro-cylinder and is realized, and this kind of riveting mode still has following shortcoming, remains to be improved:
1. the phenomenon that the riveting conditions are inconsistent easily occurs twice, and then the riveted object is scrapped due to uneven deformation caused by stress.
2. The riveting process of two times needs double single riveting cycle time, and the production takt is reduced.
3. During riveting, the pressure head is driven by an oil cylinder of a hydraulic system, so that the problems of large occupied area of the device, oil leakage pollution, high energy consumption in non-working time and the like exist.
4. The riveting quality is not easy to trace and the like.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides the double-head floating riveting equipment which can realize synchronous riveting of two parts II, is stable and reliable in riveting quality and doubles the production efficiency.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a floating riveting equipment of double-end for rivet part one and two part two, support frock, two pressure head frock, double-end floating mechanism and pressure head elevating system including frame, part.
The frame comprises a lower bedplate and an upper bedplate which is positioned right above the lower bedplate.
The part supporting tool is installed on the lower bedplate.
The first part is placed at the top of the part supporting tool, and two riveting holes are formed in the first part.
The bottom of each part II is provided with a step shaft, and the step shafts are positioned in the corresponding riveting holes; and a tool sleeve is sleeved on each part II positioned at the top of the step shaft.
The pressure head lifting mechanism is arranged at the bottom of the upper bedplate, and the height of the pressure head lifting mechanism can be lifted.
The double-end floating mechanism comprises a supporting component, an arc-shaped block, a floating block, a spring, a pressure bar guide seat and two pressure bars.
The top of the supporting component is coaxially arranged at the bottom of the pressure head lifting mechanism.
The top of the arc block is arranged at the top of the supporting component or the bottom of the pressure head lifting mechanism, and the bottom of the arc block is provided with an inner concave arc.
The pressure bar guide seat is arranged in the middle of the supporting component, two pressure bars are arranged in the pressure bar guide seat, the height of each pressure bar can freely rise and fall, and the top of each pressure bar is provided with a small upward convex top arc.
The floating block is arranged between the arc-shaped block and the two pressure rods; the center of the top of the floating block is provided with a large top arc protruding upwards, and two sides of the bottom of the floating block are provided with two bottom arcs protruding downwards; the two bottom arcs are respectively contacted with the two small top arcs of the two pressure rods; the radius of the large top arc is larger than that of each small top arc and matched with the inner concave arc.
The top end of the spring is connected to the center of the bottom of the floating block, and the bottom end of the spring is installed at the center of the top of the pressure bar guide seat.
The double-pressure-head tool is arranged at the bottom of the supporting component and comprises a pressure head guide seat and two pressure heads; the two pressure heads are arranged in the pressure head guide seat and correspond to the two parts in position; the height of each pressure head can be freely lifted.
The radii of the two bottom arcs are equal and equal to the radius of the large top arc.
Assuming that the distance between two compression bars is X, the radius of the large top arc is Amm, the radius of each bottom arc is Bmm, and the radius of each small top arc is Cmm, A = B =75% -85%; c =70% ~80% A.
Assuming a height difference between the large top and bottom arcs of Ymm, Y = a = B =75% ~85% x.
Y=A=B=80%X，C=75%A。
Assuming that the force angle of each small tip arc is J DEG, J is less than or equal to 10% by weight.
The pneumatic-hydraulic pressure cylinder is used for driving the height lifting of the pressure head lifting mechanism.
A force sensor is arranged on the pressure head lifting mechanism, and if the maximum working pressure of the gas-liquid pressure cylinder is A, the precision requirement of the force sensor is in the range of +/-5%A.
The double-pressure-head tool is detachably arranged at the bottom of the supporting component, and the part supporting tool is detachably arranged on the lower platen.
The side wall of each pressure lever is provided with a vertical limiting groove; the pressure bar guide seat is provided with a limit pin extending into the vertical limit groove.
The invention has the following beneficial effects:
1. the arc-shaped block, the floating block, the spring, the large top arc, the bottom arc and the small top arc are matched with each other in radian, so that the two parts can be synchronously riveted, the riveting quality is stable and reliable, and the production efficiency is doubled. The radian setting through three arc in this application can make the synchronous riveting of two parts two, and riveting back riveting face difference in height is less than or equal to 0.15mm.
2. The double-pressure-head tool is detachably mounted at the bottom of the supporting component, when a first part and a second part of different specifications and models need to be replaced, the double-pressure-head tool and the part supporting tool only need to be replaced, riveting operation can be achieved while the double-end riveting quality is achieved, and the applicability of equipment is improved.
3. The setting of gas-liquid pressure cylinder in this application has replaced traditional hydraulic means, has solved the problem that area is big, the oil leak pollutes and the non-operating time energy consumption is high that exists.
4. The force sensor can obtain the riveting force and a time curve, and further riveting quality tracing can be carried out.
Drawings
Fig. 1 shows a schematic view of a feeding sequence of a part I, a part II and a tool II in the invention.
Fig. 2 shows a schematic diagram of the riveting principle of the present invention.
Fig. 3 shows an enlarged schematic view of the circled area in fig. 2.
Fig. 4 shows a schematic diagram of the overall structure of a double-head floating riveting device of the invention.
Fig. 5 shows a schematic view of the structure of the housing of the present invention.
Fig. 6 shows a schematic structure of the double-headed floating mechanism of the present invention.
Fig. 7 shows a structural schematic diagram of the double-head pressing head tool in the invention.
FIG. 8 shows a schematic drawing of the dimensioning of the large top, bottom and small top arcs of the present invention.
FIG. 9 shows a labeled diagram of the force receiving angle of the present invention.
Among them are:
1. a frame; 11. a lower platen; 12. a column; 13. an upper platen; 14. a protective net; 15. a control station; 16. a pneumatic cabinet; 17. an electric control cabinet;
2. a part supporting tool;
3. a double-pressure head tool; 31. a base plate; 32. a pressure head guide seat; 33. an oil-free bushing I; 34. a pressure head;
4. a double-ended floating mechanism;
41. a support assembly; 411. a top plate; 412. a suspension; 413. a slot;
42. an arc-shaped block;
43. a slider; 431. a large top arc; 432. a bottom arc;
44. a pressure lever; 441. a small tip arc; 442. a horizontal bottom surface; 443. a vertical limiting groove;
45. a spring;
46. a pressure bar guide seat; 461. a spacing pin;
47. an oil-free bushing II;
5. lifting a pressure head; 6. a force sensor; 7. a gas-liquid pressure cylinder; 8. a control system;
9. a component to be riveted; 91. a first part; 911. riveting holes; 92. a second part; 921. a step shaft; 93. sleeving a tool; 94. and (6) riveting a sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.
In the description of the present invention, it is to be understood that the terms "left side", "right side", "upper part", "lower part", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and that "first", "second", etc., do not represent an important degree of the component parts, and thus are not to be construed as limiting the present invention. The specific dimensions used in the present example are only for illustrating the technical solution and do not limit the scope of protection of the present invention.
As shown in fig. 1 to 3, the assembly to be riveted 9 comprises a first part 91 and two second parts 92.
Two riveting holes 911 are symmetrically arranged on the first part.
The two second parts 92 are respectively riveted in the two riveting holes 911, and the bottom of each second part is provided with a step shaft 921.
The double-head floating riveting equipment is used for riveting the first part and the second part.
As shown in fig. 4, the double-head floating riveting equipment comprises a rack 1, a part supporting tool 2, a double-pressure-head tool 3, a double-head floating mechanism 4, a pressure-head lifting mechanism 5, a force sensor 6, a gas-liquid pressure cylinder 7 and a control system 8.
As shown in fig. 5, the frame includes a lower platen 11, a column 12, an upper platen 13, a protective net 14, a control station 15, a pneumatic cabinet 16, and an electric control cabinet 17.
The lower bedplate 11 is positioned right below the upper bedplate, and forms an integral frame through four upright posts 12 and an upper bedplate 13, and a protective net 14 is arranged on the periphery of the integral frame.
The control station 15 is arranged at the right side of the frame, and the pneumatic cabinet 16 and the electric control cabinet 17 are arranged at the left side or the rear side of the frame. The pneumatic cabinet is used for supplying air to the gas-liquid pressure cylinder, and the electric control cabinet is used for supplying power to the double-head floating riveting equipment.
The force sensor 6, the pneumatic cabinet 16 and the electric control cabinet 17 are respectively connected with the control station 15 to form the control system 8 of the invention.
The part supporting tool is preferably detachably mounted on the lower bedplate, and the part supporting tool is in the prior art, can be a lower floating tool mechanism, and can also be a supporting flat plate and the like.
The first part is placed at the top of the part supporting tool, and a riveting sleeve 94 is arranged between a riveting hole of the first part and a second part located below the step shaft.
And a tool sleeve 93 is sleeved on each part II positioned at the top of the step shaft. The distance between the tool sleeve and the second radial direction of the part is preferably 0.1 to 0.2mm, the outer diameter of the tool sleeve is larger than the outer diameter of the step shaft by about 0.1 to 0.2mm, the top end of the tool sleeve is preferably arranged in a closed mode, the contact area with a pressure head is large, and pressure is balanced. A certain gap is preferably formed between the top end face of the tool sleeve and the top end faces of the two parts, so that the tool sleeve can move downwards conveniently to extrude the step shaft.
The pressure head lifting mechanism is arranged at the bottom of the upper bedplate, and preferably realizes height lifting under the driving of a gas-liquid pressure cylinder 7. The arrangement of the gas-liquid pressure cylinder replaces the traditional hydraulic device, and solves the problems of large occupied area, oil leakage pollution and high energy consumption in non-working time.
The force sensor 6 is preferably connected in series with the lower end of the gas-liquid pressure cylinder 7, namely, between the gas-liquid pressure cylinder 7 and the pressure head lifting mechanism. The accuracy of the force sensor influences the height difference force of two surfaces after riveting, so that the accuracy requirement of the force sensor 6 is in the range of +/-5%A in the invention, wherein A is the maximum working pressure of the gas-liquid pressure cylinder. In addition, the setting of the force sensor can obtain the riveting force and a time curve. For example, the qualified ranges of the riveting force and the time curve of the qualified product are summarized by a large amount of measured data, and the measured value of the curve is compared with the qualified range of the curve after riveting in the later period, so that the data statistics and analysis can be carried out on the riveting process and the abrasion of the riveting sleeve.
As shown in fig. 6, 8 and 9, the double-headed floating mechanism includes a support assembly 41, an arc block 42, a floating block 43, a spring 45, a strut guide seat 46, two struts 44 and a second oilless bushing 47.
The top of the support assembly is coaxially mounted to the bottom of the ram lift mechanism and preferably includes a top plate 411 and a hanger bracket 412.
The top plate 411 is installed at the bottom of the pressure head lifting mechanism, the suspension 412 is installed around the top plate in a hanging mode, and the bottom of the suspension is preferably provided with a horizontal slot 413.
The top of the arc-shaped block is arranged at the top of the supporting component or the bottom of the pressure head lifting mechanism, and the bottom of the arc-shaped block is provided with an inner concave arc.
The pressure bar guide seat is installed at the middle part of the supporting component, two pressure bars are installed in the pressure bar guide seat, the height of each pressure bar can be freely lifted, a small upward convex top arc 441 is arranged at the top of each pressure bar, the bottom of each pressure bar is amplified downwards to form a horizontal bottom surface 44 with a large area, and the horizontal bottom surface is used for forming a good compression effect with a pressure head.
The side wall of each strut is preferably provided with a vertical stop slot 443.
The pressure bar guide seat is preferably provided with a limit pin 461 extending into the vertical limit groove. The setting of spacer pin can prevent on the one hand the depression bar from the depression bar guide holder roll-off, can also restrict the vertical lift stroke of depression bar in addition.
The floating block is arranged between the arc-shaped block and the two pressure rods, and is preferably in a downward-bent bow arrow shape; a large top arc 431 protruding upwards is arranged at the center of the top of the floating block, and two bottom arcs 432 protruding downwards are arranged on two sides of the bottom of the floating block; the two bottom arcs are respectively contacted with the two small top arcs of the two pressure rods; the radius of the large top arc is larger than that of each small top arc, and the large top arc is matched with the inner concave arc.
As shown in fig. 8, the relationship between the large top arc, the bottom arc, and the small top arc is preferably:
assuming that the distance between two compression bars is X, the radius of the large top arc is Amm, the radius of each bottom arc is Bmm, the radius of each small top arc is Cmm, and the height difference between the large top arc and the bottom arc is Ymm, Y = A = B =75% -85%; c =70% -80% a, more preferably C =75% a.
After the arrangement, the two second parts can be riveted synchronously, and the height difference of the riveted surfaces is less than or equal to 0.15mm after riveting.
The Y value is specifically adjusted according to the riveting force required by the riveting component, and when the riveting force is large or the riveting time is long, the Y value is larger.
Assuming that the force angle of each small tip arc is J DEG, J is less than or equal to 10% by weight. Wherein the expression of the force angle is as follows:
1. defining a left force line: when the floating block is deviated to the maximum position leftwards, the circle center of the bottom arc is connected with the circle center of the corresponding small top arc to form a left stress line.
2. Defining a right stress line: when the floating block deflects to the maximum position to the right, the circle center of the bottom arc is connected with the circle center of the corresponding small top arc to form a right stress line.
3. And the included angle between the left stress line and the right stress line is the stress angle of the small top arc.
The top end of the spring is connected to the center of the bottom of the floating block, and the bottom end of the spring is installed at the center of the top of the pressure bar guide seat. When the floating block has no left-right deviation, the spring is vertically arranged and is positioned on the central axis of the double-head floating riveting equipment, and the two pressure rods are symmetrically arranged on two sides of the spring.
As shown in fig. 7, the dual-ram tool is removably mounted to the bottom of the support assembly, preferably in a slot in the bottom of the suspension. When the parts I and the parts II of different specifications and models need to be replaced, only the double-pressure-head tool and the part supporting tool need to be replaced, riveting operation can be achieved while the double-end riveting quality is achieved, and the applicability of the equipment is improved.
The double-pressure-head tool comprises a bottom plate 31, a pressure head guide seat 32, a first oilless bushing 33 and two pressure heads 34.
Two pressure heads are installed in the pressure head guide seat, and an oil-free bushing I is preferably filled between the pressure head and the pressure head guide seat.
The top ends of the two pressure heads are in positive correspondence with the two pressure rods, and the bottom ends of the two pressure heads are in two-position correspondence with the two parts. Each pressure head is preferably T-shaped, and the T-shaped head part of each pressure head can limit downward axial displacement on one hand and prevent the pressure head from falling off; on the other hand, the contact area between the pressure rod and the horizontal bottom surface of the pressure rod can be increased. The cross-sectional area of the T-shaped head is preferably smaller than the area of the horizontal bottom surface of the strut. The area of the bottom of the pressure head is larger than the cross-sectional area of the tool sleeve.
The height of each pressure head can be freely lifted, the top end face (namely the T-shaped head) of each pressure head is preferably flush with the top of the pressure head guide seat, an axial telescopic space is arranged between the top end face and the bottoms of the two pressure rods, and the bottom end of each pressure head extends downwards from the pressure head guide seat.
The riveting working principle is as follows:
1. the part supports frock and two pressure head frock installations: and selecting a corresponding part supporting tool and a corresponding double-pressure head tool according to the type and the size of the riveting component, and then disassembling and installing.
2. And (3) riveting assembly installation: an operator sequentially puts the first part, the second part and the two tool sleeves into the lower floating tool mechanism.
3. Floating block state before riveting
The top of the pressure bar guide seat is preferably provided with a plurality of limiting columns.
Before riveting, the arc-shaped block, the floating block and the spring are all located on the same axis, the spring is compressed, the position of the floating block moves downwards, and the floating block preferably falls on a plurality of limiting columns. At this point, the two bottom arcs and the two small top arcs have a common horizontal tangent.
3. Pressing down
A. The pressure head contacts with the top of the tool sleeve: the manual work starts to push down, moves down by gas-liquid pressure cylinder drive pressure head elevating system, and then drives double-end relocation mechanism and double-end pressure head frock and descend in step, contacts with two frock cover tops until two pressure head bottoms. At the moment, the top of the pressure head is flush with the top of the pressure head guide seat, and an axial telescopic space is formed between the top of the pressure head and the bottoms of the two pressure rods.
B. The top end face of the pressure head is contacted with the horizontal bottom face of the pressure rod: the gas-liquid pressure cylinder continues to drive the pressure head lifting mechanism to move downwards continuously, at the moment, the pressure head moves upwards, and the axial telescopic space between the pressure head and the pressure rod is gradually reduced until the top end face of the pressure head is contacted with the horizontal bottom face of the pressure rod.
C. The pressure lever moves upwards: the gas-liquid pressure cylinder continues to drive the pressure head lifting mechanism to move downwards continuously, at the moment, the two pressure rods move upwards on the premise that the tool sleeve, the pressure head and the pressure rods are in mutual contact until the limiting pin is in contact with the lower limiting surface of the corresponding vertical limiting groove.
D. Riveting: and the gas-liquid pressure cylinder continues to drive the pressure head lifting mechanism to move downwards continuously, at the moment, the tool sleeve, the pressure head and the pressure rod are in pressing contact, and the bottom end of the tool sleeve extrudes the step shaft of the second part, so that the step shaft deforms and is tensioned in the corresponding riveting hole, and the first part and the second part are riveted firmly at the same time. In the riveting process, when the lower side of any one of the pressure levers 44 is stressed, the floating block 43 and the arc-shaped block 42 form relative sliding to apply force to the other pressure lever 44 to damage, so that the two pressure levers 44 are always kept relatively uniformly stressed, the double-head riveting quality is ensured, and the deformation of a part due to uneven stress is avoided.
In the riveting process, the riveting force is monitored in real time through the high-precision force sensor, and the riveting force and a time curve are provided, so that the subsequent quality tracing is facilitated.
In addition, the control system is provided with pressure process parameters according to the thickness of the first part, and when the force sensor reaches a set range, the gas-liquid pressure cylinder returns to finish riveting.
4. And after the riveting is finished, an operator takes the two tool sleeves down, and takes out the riveted product.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the embodiments, and various equivalent changes may be made within the technical spirit of the present invention, and the technical scope of the present invention is also covered by the present invention.
Claims (10)
1. The utility model provides a floating riveting equipment of double-end for rivet part one and two parts two, its characterized in that: the double-head floating mechanism comprises a rack, a part supporting tool, a double-pressure head tool, a double-head floating mechanism and a pressure head lifting mechanism;
the rack comprises a lower bedplate and an upper bedplate which is positioned right above the lower bedplate;
the part supporting tool is arranged on the lower bedplate;
the first part is placed at the top of the part supporting tool, and two riveting holes are formed in the first part;
the bottom of each part II is provided with a step shaft, and the step shafts are positioned in the corresponding riveting holes; a tool sleeve is sleeved on each part II positioned at the top of the step shaft;
the pressure head lifting mechanism is arranged at the bottom of the upper bedplate, and the height of the pressure head lifting mechanism can be lifted;
the double-head floating mechanism comprises a supporting component, an arc-shaped block, a floating block, a spring, a pressure bar guide seat and two pressure bars;
the top of the supporting component is coaxially arranged at the bottom of the pressure head lifting mechanism;
the top of the arc block is arranged at the top of the supporting component or the bottom of the pressure head lifting mechanism, and the bottom of the arc block is provided with an inner concave arc;
the compression bar guide seat is arranged in the middle of the support assembly, two compression bars are arranged in the compression bar guide seat, the height of each compression bar can be freely lifted, and the top of each compression bar is provided with a small upward-protruding top arc;
the floating block is arranged between the arc-shaped block and the two pressure rods; the center of the top of the floating block is provided with a large top arc protruding upwards, and two sides of the bottom of the floating block are provided with two bottom arcs protruding downwards; the two bottom arcs are respectively contacted with the two small top arcs of the two pressure rods; the radius of the large top arc is larger than that of each small top arc and is matched with the inner concave arc;
the top end of the spring is connected to the center of the bottom of the floating block, and the bottom end of the spring is installed in the center of the top of the pressure bar guide seat;
the double-pressure head tool is arranged at the bottom of the supporting component and comprises a pressure head guide seat and two pressure heads; the two pressure heads are arranged in the pressure head guide seat and correspond to the two parts in position; the height of each pressure head can be freely lifted.
2. The double-headed floating riveting apparatus according to claim 1, characterized in that: the radii of the two bottom arcs are equal and equal to the radius of the large top arc.
3. The double-headed floating riveting apparatus according to claim 1, characterized in that: assuming a spacing of X for the two struts, a radius of Amm for the large top arc, bmm for each bottom arc, and a radius of Cmm for each small top arc, a = B =75% — 85%; c =70% ~80% A.
4. The double-headed floating riveting apparatus according to claim 3, characterized in that: assuming a height difference between the large top and bottom arcs of Ymm, Y = a = B =75% ~85% x.
5. The double-headed floating riveting apparatus according to claim 4, characterized in that: y = a = B =80% x, c =75% a.
6. The double-headed floating riveting apparatus according to claim 3, characterized in that: assuming that the force angle of each small tip arc is J DEG, J ≦ 10 ≦ C.
7. The double-headed floating riveting apparatus according to claim 1, characterized in that: the pneumatic-hydraulic pressure cylinder is used for driving the height lifting of the pressure head lifting mechanism.
8. The double-ended floating riveting apparatus according to claim 7, wherein: a force sensor is arranged on the pressure head lifting mechanism, and if the maximum working pressure of the gas-liquid pressure cylinder is A, the precision requirement of the force sensor is in the range of +/-5%A.
9. The double-ended floating riveting apparatus according to claim 1, wherein: the double-pressure-head tool is detachably arranged at the bottom of the supporting component, and the part supporting tool is detachably arranged on the lower platen.
10. The double-headed floating riveting apparatus according to claim 1, characterized in that: the side wall of each pressure lever is provided with a vertical limiting groove; the pressure bar guide seat is provided with a limit pin extending into the vertical limit groove.
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| CN202110652942.8A CN113385590B (en) | 2021-06-11 | 2021-06-11 | Double-end floating riveting equipment |
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| CN202110652942.8A CN113385590B (en) | 2021-06-11 | 2021-06-11 | Double-end floating riveting equipment |
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| CN113385590B true CN113385590B (en) | 2022-12-09 |
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| DE852931C (en) * | 1950-03-01 | 1952-10-20 | Levi Peterson Ind Aktiebolag | Method, machine and rivet for riveting using so-called double rivets |
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| CN113385590A (en) | 2021-09-14 |
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