Equipment for monitoring state parameters of slotted lining in cold extrusion strengthening process in real time

Abstract

The utility model relates to the field of slotted bushing cold extrusion, and discloses a device for monitoring slotted bushing cold extrusion strengthening process state parameters in real time, which comprises an extrusion base and an extrusion cylinder arranged on the extrusion base, the extrusion cylinder is provided with a plurality of pressure sensing components, the pressure sensing components are embedded with stress components, and the stress components are embedded with pressure sensors. An extrusion assembly is arranged above the stress assembly, the extrusion assembly is connected with a pressure adjusting assembly, and pressure monitoring assemblies are arranged on the two sides of the pressure adjusting assembly; the pressure sensor records pressure data and transmits the pressure data to the extrusion monitoring screen in real time for visual display, if the difference of pressure values of parts with holes is abnormal, an alarm is given, workers are reminded to remove the parts in time, and defective products are prevented from flowing into finished products; and when too many defective products are caused by abnormal pressure of the hydraulic machine, timely correction can be performed according to the reading of the pressure monitoring meter, the effect of improving the quality is achieved by comprehensively monitoring the cold extrusion process, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of slotted bushing cold extrusion, especially relates to a device for real-time monitoring of slotted bushing cold extrusion strengthening process state parameters. BACKGROUND

[0002] Slotted bushing cold extrusion is a kind of connection hole strengthening technology, which can effectively improve the fatigue life of connection hole, has the advantages of not increasing mass, not changing structure, good strengthening effect etc. With the continuous development of modern manufacturing industry, higher requirements are put forward for the performance of materials, whether lightweight or durability has been the goal pursued by the field of aviation manufacturing. The largest proportion in the aircraft structure is the connection hole structure, and the hole structure is the key factor causing stress concentration. Slotted bushing hole extrusion strengthening technology is a kind of surface strengthening technology widely used in foreign aviation industry at present, which is mainly applied to the hole structure of key bearing metal components of aviation, can effectively improve the fatigue life of hole, and the hole bushing cold extrusion technology introduces effective residual stress to hole structure by extrusion strengthening, improves the microstructure around hole wall, enhances the fatigue resistance of hole structure, thereby improves the service life of aviation aircraft. The traditional extrusion method of slotted bushing cold extrusion strengthening connection hole is not enough to monitor the stress value of the inner wall of the connection hole, which leads to the uneven defective products flowing into the finished products due to the difference of the stress value of the inner wall of the hole.

[0003] Therefore, a device for real-time monitoring of slotted bushing cold extrusion strengthening process state parameters is needed to solve this problem. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a device for real-time monitoring of slotted bushing cold extrusion strengthening process state parameters, which aims at solving the problems proposed in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A device for real-time monitoring of slotted bushing cold extrusion strengthening process state parameters, comprising an extrusion base and an extrusion cylinder provided on the extrusion base, the extrusion cylinder is provided with a plurality of pressure sensing components, the pressure sensing components are embedded with stress components, the stress components are provided with extrusion components above, the extrusion components are connected with pressure regulating components, and the pressure regulating components are provided with pressure monitoring components on both sides.

[0007] Preferably, the extrusion base is provided with supporting brackets, the extrusion cylinders are arranged between the supporting brackets, the extrusion cylinders are provided with extrusion grooves, and the extrusion grooves are provided with a plurality of through holes.

[0008] Preferably, the pressure sensing assembly comprises arc-shaped sensing rods, the arc-shaped sensing rods are connected with pressure transmission shafts, and the pressure transmission shafts are embedded in the through holes.

[0009] Preferably, the pressure transmission shafts are connected with pressure springs, the pressure springs are installed in embedding sleeves, the embedding sleeves are embedded in the pressure transmission shafts, and the pressure springs are connected with pressure sensors.

[0010] Preferably, the force receiving assembly comprises a hole part, an inner wall of the hole part is embedded with a bushing, and the hole part is embedded between the arc-shaped sensing rods.

[0011] Preferably, the extrusion assembly comprises an extrusion mandrel, the extrusion mandrel is connected with a hydraulic piston, the hydraulic piston is embedded in a hydraulic cylinder, and the hydraulic cylinder is installed on a support bracket.

[0012] Preferably, the hydraulic cylinder is connected with a hydraulic pipe, the hydraulic pipe is connected with a hydraulic machine, the hydraulic machine is provided with a pressure adjusting knob, one side of the hydraulic machine is provided with a pressure gauge monitoring table, and the other side of the hydraulic machine is provided with an extrusion monitoring screen.

[0013] Beneficial effects: When the novel type is used for cold extrusion strengthening of a split sleeve, the hole part transmits pressure to the arc-shaped sensing rods attached to the outer wall, the arc-shaped sensing rods are distributed in each part of the hole part, can sense the pressure change of each part in the extrusion process in real time, the pressure data recorded by the pressure sensor is transmitted to the extrusion monitoring screen in real time for intuitive display, if the pressure value difference of each part of the hole part is abnormal, an alarm is given to timely remind workers to remove, and the defective products are prevented from flowing into finished products, so that the finished product rate is greatly improved; after the hole part is replaced, the pressure inside the hydraulic machine can be adjusted through the pressure adjusting knob to adapt to the new part, when the pressure of the hydraulic machine is abnormally high and too many defective products are produced, the reading of the pressure monitoring table can be used for timely correction, the novel type realizes the effect of improving product quality by comprehensively monitoring the cold extrusion process, and the working efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can also be obtained according to the provided drawings without creative labor.

[0015] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0016] Figure 2 It is a structure diagram of the extrusion cylinder and the pressure sensing assembly of the present application.

[0017] Figure 3 is a force receiving component structure schematic view of the utility model;

[0018] Figure 4 is an extrusion component structure schematic view of the utility model.

[0019] Legend:

[0020] 1, extrusion base; 2, extrusion cylinder; 3, pressure sensing component; 4, force receiving component; 5, extrusion component; 6, pressure regulating component; 7, pressure monitoring component; 11, support bracket; 21, extrusion groove; 22, through hole; 31, arc-shaped sensing rod; 32, pressure transmission shaft; 33, pressure spring; 34, fitting cover; 35, pressure sensor; 41, hole part; 42, bushing; 51, extrusion mandrel; 52, hydraulic piston; 53, hydraulic cylinder; 61, hydraulic pipe; 62, hydraulic machine; 63, pressure regulating knob; 64, pressure monitoring meter; 65, extrusion monitoring screen. DETAILED DESCRIPTION

[0021] The utility model will be combined with the drawings and examples to make further detailed description, obviously, the described example is only a part of the utility model embodiment, not all embodiments. In the case of no conflict, the embodiment and the feature in the embodiment in the application can be combined mutually. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0022] It should be noted that if the utility model example has involved directionality indication (such as up, down, left, right, front, back), then the directionality indication is only used to explain the relative position relationship, movement condition etc. between the components in a certain specific posture (such as the drawing shows), if the specific posture changes, then the directionality indication also changes accordingly.

[0023] In addition, "multiple" refers to two or more. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that the ordinary skill in the art can be realized, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not in the protection scope of the utility model.

[0024] Please refer to the attached drawings of the specification Figures 1-4The utility model provides a kind of equipment for monitoring the state parameter of slotted bushing cold extrusion strengthening process in real time, including extrusion pedestal 1 and the extrusion cylinder 2 being arranged on the extrusion pedestal 1, the extrusion cylinder 2 is equipped with several pressure sensing components 3, the pressure sensing components 3 are embedded with force component 4, extrusion component 5 is equipped above the force component 4, the extrusion component 5 is connected pressure regulating component 6, pressure monitoring component 7 is equipped on both sides of the pressure regulating component 6.

[0025] Further, the extrusion pedestal 1 is provided with support brackets 11, the extrusion cylinders 2 are arranged between the support brackets 11, the extrusion cylinders 2 are provided with extrusion grooves 21, and the extrusion grooves 21 are provided with a plurality of through holes 22.

[0026] Further, the pressure sensing components 3 include arc-shaped sensing rods 31, the arc-shaped sensing rods 31 are connected to pressure transmission shafts 32, and the pressure transmission shafts 32 are embedded in the through holes 22.

[0027] Further, the pressure transmission shafts 32 are connected to pressure springs 33, the pressure springs 33 are installed in embedding sleeves 34, the embedding sleeves 34 are embedded in the pressure transmission shafts 32, the pressure springs 33 are connected to pressure sensors 35, the arc-shaped sensing rods 31 are arranged at various positions of the hole-containing parts 41, can sense the pressure changes of various positions in the extrusion process in real time, the arc-shaped sensing rods 31 drive the pressure transmission shafts 32 to compress the pressure springs 33 in the embedding sleeves 34, and the pressure data are recorded by the pressure sensors 35.

[0028] Further, the force components 4 include hole-containing parts 41, the inner walls of the hole-containing parts 41 are embedded with bushings 42, and the hole-containing parts 41 are embedded between the arc-shaped sensing rods 31.

[0029] Further, the extrusion components 5 include extrusion mandrels 51, the extrusion mandrels 51 are connected to hydraulic pistons 52, the hydraulic pistons 52 are embedded in hydraulic cylinders 53, the hydraulic cylinders 53 are installed on the support brackets 11, the hydraulic pistons 52 in the hydraulic cylinders 53 are pressed to descend, thereby driving the extrusion mandrels 51 to descend into the extrusion grooves 21 below, when extrusion strengthening, the extrusion mandrels 51 enter the bushings 42, utilize the transmission pressure of the bushings 42 to strengthen the inner walls of the hole-containing parts 41, and when strengthening, the hole-containing parts 41 further transmit the pressure to the arc-shaped sensing rods 31 adhered to the outer walls.

[0030] Further, the hydraulic cylinder 53 is connected with a hydraulic pipe 61, the hydraulic pipe 61 is connected with a hydraulic machine 62, the hydraulic machine 62 is provided with a pressure adjusting knob 63, one side of the hydraulic machine 62 is provided with a pressure monitoring table 63, and the other side is provided with an extrusion monitoring screen 64; the hydraulic machine 62 sends hydraulic oil from the hydraulic pipe 61 to the hydraulic cylinder 53 to drive the hydraulic piston 52 to descend, the pressure sensor 35 records pressure data and transmits the pressure data to the extrusion monitoring screen 65 in real time for intuitive display; if the pressure value difference of the hole part 41 is abnormal, an alarm is given to timely remind the worker to remove, so that the defective products are prevented from flowing into finished products; after the hole part 41 is replaced, the pressure inside the hydraulic machine 62 can be adjusted through the pressure adjusting knob 63 to adapt to the new part; when the pressure of the hydraulic machine 62 is abnormal and too many defective products are caused, the reading of the pressure monitoring table 64 can be read to make timely correction.

[0031] Firstly, the hole part 41 is placed between the arc-shaped induction rods 31, the inner wall of the hole part 41 is embedded with the bushing 42, the hydraulic machine 62 is started, the hydraulic machine 62 sends hydraulic oil from the hydraulic pipe 61 to the hydraulic cylinder 53 to drive the hydraulic piston 52 to descend, thereby driving the extrusion mandrel 51 to descend into the lower extrusion groove 21; when the extrusion is strengthened, the extrusion mandrel 51 enters the bushing 42 to strengthen the inner wall of the hole part 41 by using the transmission pressure of the bushing 42; during the strengthening, the hole part 41 further transmits the pressure to the arc-shaped induction rods 31 which are attached to the outer wall, the arc-shaped induction rods 31 are distributed at each part of the hole part 41 and can sense the change of the pressure of each part in real time during the extrusion process; the arc-shaped induction rods 31 drive the pressure transmission shaft 32 to compress the pressure spring 33 in the embedded sleeve 34; the pressure data is recorded by the pressure sensor 35 and transmitted to the extrusion monitoring screen 65 in real time for intuitive display; if the pressure value difference of the hole part 41 is abnormal, an alarm is given to timely remind the worker to remove, so that the defective products are prevented from flowing into finished products; after the hole part 41 is replaced, the pressure inside the hydraulic machine 62 can be adjusted through the pressure adjusting knob 63 to adapt to the new part; when the pressure of the hydraulic machine 62 is abnormal and too many defective products are caused, the reading of the pressure monitoring table 64 can be read to make timely correction; the new type realizes the effect of improving the quality by comprehensively monitoring the cold extrusion process, and greatly improves the work efficiency.

[0032] The above only describes the preferred embodiments of the present application and is not used to limit the present application; any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0033] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0034] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A device for real-time monitoring of the state parameters of a cold extrusion strengthening process for a slotted bushing, comprising an extrusion base (1) and an extrusion cylinder (2) disposed on the extrusion base (1), wherein the extrusion cylinder (2) is provided with a plurality of pressure sensing components (3), wherein a force receiving component (4) is fitted into the pressure sensing component (3), wherein an extrusion component (5) is disposed above the force receiving component (4), wherein the extrusion component (5) is connected to a pressure regulating component (6), and pressure monitoring components (7) are disposed on both sides of the pressure regulating component (6).

2. The device for real-time monitoring of the state parameters during the cold extrusion strengthening process of slotted bushings according to claim 1, characterized in that, The extrusion base (1) is provided with a support bracket (11), and an extrusion cylinder (2) is provided between the support brackets (11). The extrusion cylinder (2) is provided with an extrusion groove (21), and the extrusion groove (21) is provided with several through holes (22).

3. The device for real-time monitoring of the state parameters of the cold extrusion strengthening process of slotted bushings according to claim 1, characterized in that, The pressure sensing component (3) includes an arc-shaped sensing rod (31), which is connected to a pressure transmission shaft (32), and the pressure transmission shaft (32) is fitted into a through hole (22).

4. The device for real-time monitoring of the state parameters of the cold extrusion strengthening process of slotted bushings according to claim 3, characterized in that, The pressure drive shaft (32) is connected to the pressure spring (33), the pressure spring (33) is installed in the fitting sleeve (34), the fitting sleeve (34) fits the pressure drive shaft (32), and the pressure spring (33) is connected to the pressure sensor (35).

5. The device for real-time monitoring of the state parameters during the cold extrusion strengthening process of slotted bushings according to claim 1, characterized in that, The force-bearing component (4) includes a perforated part (41), the inner wall of which is fitted with a bushing (42), and the perforated part (41) is fitted between the arc-shaped sensing rods (31).

6. The device for real-time monitoring of the state parameters of the cold extrusion strengthening process of slotted bushings according to claim 1, characterized in that, The extrusion assembly (5) includes an extrusion mandrel (51), which is connected to a hydraulic piston (52). The hydraulic piston (52) is fitted with a hydraulic cylinder (53), which is mounted on a support bracket (11).

7. The device for real-time monitoring of state parameters during the cold extrusion strengthening process of slotted bushings according to claim 6, characterized in that, The hydraulic cylinder (53) is connected to the hydraulic pipe (61), the hydraulic pipe (61) is connected to the hydraulic press (62), the hydraulic press (62) is equipped with a pressure adjustment knob (63), the hydraulic press (62) is equipped with a pressure monitoring gauge (64) on one side and a compression monitoring screen (65) on the other side.

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