An adjustable support system for a production line

Abstract

The present application belongs to the field of product butt joint assembly adjustment, and relates to an adjustable support system for a production line. The adjustable support system for the production line comprises a height adjusting device arranged between a bottom support frame and an upper support frame, which comprises a power connection part I, an up-down adjusting part and a signal detection part. The power connection part I is used for connecting with an external power system to provide power for the up-down adjusting part. The up-down adjusting part realizes the lifting of the upper support frame by changing the height thereof. The signal detection part is used for receiving or sending signals to the up-down adjusting part and external equipment to control the lifting height of the upper support frame. The present application has the following advantages: 1. The low-strength, high-efficiency and standardized adjustment butt joint effect is realized; 2. The system has the functions of stably supporting a workpiece, automatically adjusting the axis centering of the workpiece and automatically adjusting the height of the workpiece; and 3. The system meets the demand of size change of different varieties of cabin sections.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of product docking assembly adjustment, and relates to an adjustable support system for a production line. BACKGROUND

[0002] With the development of aircraft research, the aircraft is becoming larger, more reliable, longer in life, more stealthy, lighter and faster to develop. A large number of difficult-to-machine materials such as titanium alloy and composite material and sawtooth skin are used in the structure of aircraft components, which puts forward higher requirements for the docking assembly of various aircraft components. The docking assembly technology of domestic aircraft components is developing from analog quantity coordination, fixed special tool manual attitude adjustment assembly to digital quantity coordination, flexible tool automatic attitude adjustment assembly. It is imperative to research and apply the automatic docking assembly technology of aircraft components based on digital quantity coordination. The existing adjusting device still has many deficiencies, such as poor expansibility, insufficient motion stability during product docking, and large working noise. SUMMARY

[0003] The purpose of the present application is to provide an adjustable support system for a production line, which can ensure safe production and improve the efficiency of product docking assembly adjustment according to actual production needs.

[0004] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows: an adjustable support system for a production line, which comprises a height adjusting device arranged between a bottom support frame and an upper support frame, and comprises a power connection part I, an up-down adjusting part and a signal detection part. The power connection part I is used to connect with an external power system to provide power for the up-down adjusting part. The up-down adjusting part realizes the lifting of the upper support frame by changing its height. The signal detection part is used to receive or send signals to the up-down adjusting part and external equipment to control the lifting height of the upper support frame.

[0005] Preferably, the up-down adjusting part comprises a ball screw and a wedge lifting assembly. The wedge lifting assembly comprises a screw block and a wedge. The screw block is installed on the ball screw. When the ball screw rotates under the action of the power connection part I, the screw block slides along the length direction of the ball screw. The wedge is arranged above the screw block, and the bottom of the wedge is inclined, and the top of the wedge is close to the upper support frame. The sliding of the screw block extrudes the bottom of the wedge, so that the wedge drives the upper support frame to lift.

[0006] Preferably, the wedge lifting assembly further comprises a sensing block guide plate and an L-shaped lever. The sensing block guide plate is installed on the bottom support frame, and a sliding groove is formed in the height direction of the sensing block guide plate, and a sensing block is arranged on the sensing block guide plate. One end of the L-shaped lever is slidably connected with the side surface of the screw block, and the other end of the L-shaped lever is slidably connected with the sliding groove through a sensing pin shaft. The L-shaped lever transmits the in-place signal to the sensing block and the signal detection part.

[0007] Further, the adjustable support system further comprises an axial adjustment device arranged on the top of the upper support frame, which comprises a power connection part II, an axial adjustment part and a transition ring; the power connection part II is used for connecting with an external power system to provide power for the axial adjustment part; the transition ring is arranged above the axial adjustment part, and the upper part of the transition ring is used for placing a workpiece; when the axial adjustment part rotates, the transition ring and the workpiece are adjusted in posture by using the friction force between the axial adjustment part and the transition ring.

[0008] Further, the axial adjustment part comprises a posture adjustment gear, a synchronous belt and a posture adjustment driving wheel; the posture adjustment gear is used as a power transmission part, is connected with the external power system through a speed reducer and rotates under the action of the external power system; the synchronous belt is sleeved on the posture adjustment gear and the posture adjustment driving wheel; the transition ring is arranged above the posture adjustment driving wheel; the posture adjustment gear transmits power to the posture adjustment driving wheel through the synchronous belt, so that the posture of the transition ring and the workpiece is adjusted.

[0009] Preferably, the adjustable support system further comprises a front-rear adjustment device arranged on the bottom support frame, which comprises a power connection part III, a signal recognition part, a moving part and a signal detection part; the power connection part III is used for connecting with an external power system to provide power for the moving part; the signal recognition part is used for recognizing a transmission signal; the moving part is used for driving the adjustable support system to move on the base; and the signal detection part is a signal sensing device for detecting adjustment to position.

[0010] Preferably, the moving part comprises a linear guide rail slider and a linear guide rail; the bottom of the linear guide rail slider is slidably connected with the linear guide rail, and the linear guide rail is arranged on the base and extends along the length direction of the base.

[0011] Preferably, a guide rail cover is further arranged above the linear guide rail slider, and the length direction of the guide rail cover is consistent with the length direction of the linear guide rail.

[0012] Preferably, the adjustable support system comprises any one of the height adjustment device, the axial adjustment device and the front-rear adjustment device.

[0013] Compared with the prior art, the adjustable support system has the following advantages:

[0014] 1. The automatic adjustment assembly mode of mechanical connection transmission is adopted, so that the low-strength, high-efficiency and standardized adjustment docking effect is realized;

[0015] 2. The system has the functions of stably supporting a workpiece, automatically adjusting the axis centering of the workpiece and automatically adjusting the height of the workpiece;

[0016] 3. The linear guide rail slider is installed on the linear guide rail on the base, so that the adjustable support system can move on the base in the direction of the heading to meet the needs of different varieties of cabin section size changes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a front view of the adjustable support system of the embodiment of the present application;

[0018] Figure 2 is an A-A view of Figure 1 ;

[0019] Figure 3 is a rear view of the adjustable support system of the embodiment of the present application;

[0020] Figure 4 is a perspective view of the adjustable support system of the embodiment of the present application;

[0021] Figures 1-4 In the figure, 1 is a transition ring; 2 is a linear guide rail slider; 3 is a turning attitude adjustment driving wheel; 4 is a turning attitude adjustment gear; 5 is a to-position signal detection module; 6 is a positioning guide sleeve; 7 is an ID identification signal array; 8 is a precision planetary gear reducer; 9 is a height adjustment gear; 10 is a lead screw signal detection block; 11 is a wedge block; 12 is a ball screw; 13 is a guide rail cover; 14 is a lead screw slider; 15 is an induction block guide plate; and 16 is an L-shaped pull rod. DETAILED DESCRIPTION

[0022] It should be noted that the terms "upper", "lower", "front", "rear", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In addition, in the present application, an adjustable support system for a production line can include any one, a combination of any two, or all three of a height adjustment device, an axial adjustment device, and a front and rear adjustment device; for example: only including a height adjustment device; only including an axial adjustment device; only including a front and rear adjustment device; or only including a height adjustment device, an axial adjustment device; only including an axial adjustment device, a front and rear adjustment device; only including a height adjustment device, a front and rear adjustment device, etc.

[0024] In the present embodiment, the adjustable support system includes a height adjustment device, an axial adjustment device, and a front and rear adjustment device.

[0025] The following will be described in conjunction with the accompanying Figures 1-4Further details of the present application: An adjustable support system for a production line includes 3 degrees of freedom adjustment, namely axial adjustment, height adjustment, and front-back adjustment; the axial adjustment is achieved by an axial adjustment device, which is arranged on the upper support frame; the height adjustment is achieved by a height adjustment device, which is arranged between the upper support frame and the bottom support frame; the front-back adjustment is achieved by a front-back adjustment device, which is arranged on the bottom support frame; the upper support frame, the middle support frame, and the bottom support frame are coaxial, and the upper support frame is movably connected to the middle support frame, and can be lifted and lowered under the action of the height adjustment device.

[0026] In the present embodiment,

[0027] As shown in Figures 3-4 , the height adjustment device includes a power connection part I, an up-down adjustment part, and a signal detection part; the power connection part I is used to connect with an external power system and provide power for the up-down adjustment part; the up-down adjustment part realizes the lifting and lowering of the upper support frame by changing its height; and the signal detection part is used to receive or send signals to the up-down adjustment part and external equipment to control the lifting and lowering height of the upper support frame.

[0028] As a preferred scheme of the present embodiment, the power connection part I adopts a height adjustment gear 9 as a power input interface;

[0029] The up-down adjustment part includes a ball screw 12, a wedge lifting assembly, a sensing block guide plate 15, and an L-shaped lever 16; the wedge lifting assembly includes a screw block 14 and a wedge 11; the screw block 14 is installed on the ball screw 12, and when the ball screw 12 rotates under the action of the height adjustment gear 9, the screw block 14 slides along the length direction of the ball screw 12; the wedge 11 is arranged above the screw block 14, the bottom of the wedge 11 is inclined, and the top of the wedge 11 is close to the upper support frame; the sliding of the screw block 14 extrudes the bottom of the wedge 11, so that the wedge 11 drives the upper support frame to lift and lower; the sensing block guide plate 15 is installed on the bottom support frame, a sliding groove is formed in the height direction of the sensing block guide plate 15, and a sensing block is arranged on the sensing block guide plate 15; one end of the L-shaped lever 16 is slidably connected to the side surface of the screw block 14, and the other end of the L-shaped lever 16 is slidably connected to the sliding groove through a sensing pin shaft; the L-shaped lever 16 transmits a signal to the sensing block and the signal detection part; the sensing block and the signal detection part transmit a set signal to the control system of the controller to remind the operator that the adjustment has been completed and the adjustment can be stopped.

[0030] In the present embodiment, the signal detection part is a screw signal detection block 10, which is a signal sensing device for detecting the adjustment to the position; the screw signal detection block 10 is installed on the middle support frame and close to the sensing block guide plate 15.

[0031] As shown in Figures 1-2As shown, the axial adjustment device is arranged on the top of the upper support frame, which comprises a power connection part II, an axial adjustment part and a transition ring; the power connection part II is used for connecting with the external power system to provide power for the axial adjustment part; the transition ring 1 is arranged above the axial adjustment part, and the upper part thereof is used for placing the workpiece; the transition ring 1 can be replaced to realize the compatibility of the cross-sectional shape change of the workpiece product; when the axial adjustment part rotates, the transition ring and the workpiece are adjusted in posture by the friction between the axial adjustment part and the transition ring 1;

[0032] As a preferred scheme of the embodiment, the power connection part II adopts a precision planetary gear reducer 8, which is used for transmitting and reducing the power of the external power system;

[0033] The axial adjustment part comprises a circumrotation posture adjustment gear 4, a synchronous belt and a circumrotation posture adjustment driving wheel 3; the circumrotation posture adjustment gear 4 is used as a power transmission part, is connected with the external power system through the precision planetary gear reducer 8, and rotates under the action of the external power system; the synchronous belt is sleeved on the circumrotation posture adjustment gear 4 and the circumrotation posture adjustment driving wheel 3; in the embodiment, the number of the circumrotation posture adjustment driving wheel 3 is two, and the shaft centers thereof are located on the same horizontal line; the circumrotation posture adjustment gear 4 is located below the circumrotation posture adjustment driving wheel 3; the transition ring 1 is arranged above the circumrotation posture adjustment driving wheel 3; the circumrotation posture adjustment gear 4 transmits power to the circumrotation posture adjustment driving wheel 3 through the synchronous belt, and the posture adjustment of the transition ring 1 and the workpiece is realized through the friction between the transition ring 1 and the circumrotation posture adjustment driving wheel 3.

[0034] As shown in the figure, Figures 1-4 The front and rear adjustment device is arranged on the bottom support frame, which comprises a power connection part III, a signal identification part, a moving part and a signal detection part; the power connection part III is used for connecting with the external power system to provide power for the moving part; the signal identification part is used for identifying the transmitted signal; the moving part is used for driving the adjustable support system to move on the base; the signal detection part is a signal sensing device for detecting the adjustment to the position;

[0035] As a preferred scheme of the embodiment, the power connection part III adopts a positioning guide sleeve 6; the positioning guide sleeve 6 is used for interfacing and positioning with the driving adjustment system (external power system), and simultaneously transmits the pushing force from the driving adjustment system, so that the adjustable support system can automatically move on the linear guide rail of the base to adjust the support point position;

[0036] The signal identification part adopts an ID identification signal array 7, which is composed of four signal sensing screws and is used for distinguishing each support system. The four signal sensing screws are used to generate an eight-bit binary sequence by changing the order of the signal sensing screws. Specifically, the ID identification signal array 7 is a signal transmission identification system, and the entire adjustable support system has eight adjustable support systems, each of which is equipped with an ID identification signal array 7 and is connected to the docking equipment. The control system can independently control the posture of each adjustable support system through the ID identification signal array 7. The individually numbered support system provides a stable and reliable basis for automatic adjustment and docking.

[0037] The moving part includes a linear guide rail slider 2 and a linear guide rail. The bottom of the linear guide rail slider 2 is slidably connected to the linear guide rail, which is arranged on the base and extends along the length direction of the base. The linear guide rail slider 2 slides on the linear guide rail under the driving of the positioning guide sleeve 6, thereby realizing the forward and backward adjustment of the entire support system.

[0038] The in-place signal detection part adopts an in-place signal detection module 5, which is a signal sensing device for detecting the adjustment in place. The in-place signal detection module 5 is an in-place identifier in the forward and backward translation process of the adjustable support system, which accurately positions the moving position.

[0039] As shown in Figure 2 A guide rail cover 13 is further arranged above the linear guide rail slider 2, and the length direction of the guide rail cover 13 is consistent with the length direction of the linear guide rail.

[0040] Working principle: the adjustable support system has the functions of stable support of workpiece, automatic adjustment of workpiece axis centering and automatic adjustment of workpiece height; the driving adjustment system is the auxiliary equipment of the adjustable support system, and is an external power source; when it is necessary to adjust a certain adjustable support system, the driving adjustment system can be positioned through the positioning guide sleeve 6 to drive the forward and backward movement; the height adjustment is carried out through the meshing with the height adjustment gear 9; and the axial adjustment is carried out with the turnover posture adjustment gear 4. Specifically, the linear guide rail slider 2 is installed on the linear guide rail on the base, so that the adjustable support system can move in the direction of the heading on the base to meet the needs of the size change of different varieties of cabin sections. After the turnover posture adjustment gear 4 is engaged with the corresponding servo motor of the driving adjustment system (external power system), the driving force of the servo motor is transmitted to the turnover posture adjustment driving wheel 3 through the precision planetary gear reducer 8 and the synchronous belt wheel, so that the turnover posture adjustment driving wheel 3 rotates, drives the transition ring 1 through the friction transmission, and thus the adjustment of the workpiece turnover posture is realized. After the height adjustment gear 9 is engaged with the corresponding servo motor of the driving adjustment system (external power system), the rotary motion is converted into linear motion through the ball screw 12, the screw block 14 is driven to slide along the wedge block 11, the wedge block 11 is driven to move up and down due to the inclined surface at the bottom of the wedge block 11, and thus the height adjustment of the upper support frame is realized. Since the speed ratio in the entire transmission system is very large, the adjustment precision and convenience are very high.

[0041] The above embodiments are only preferred embodiments of the present application and do not constitute a limitation on the present application. On the basis of the above embodiments, the structure can be slightly changed, the structure in the above embodiments can be split and combined, that is, the height adjustment device, the axial adjustment device and the front and rear adjustment device are coordinated with each other and independent of each other. Any extension, equivalent replacement and the like made by those skilled in the art without departing from the principle of the present application should be included in the protection scope of the present application.

Claims

1. An adjustable support system for a production line, characterized by: The adjustable support system comprises a height adjusting device arranged between the bottom support frame and the upper support frame, which comprises a power connection part I, an up-down adjusting part, and a signal detecting part; the power connection part I is used for connecting with an external power system to provide power for the up-down adjusting part; the up-down adjusting part realizes the lifting of the upper support frame by changing its height; and the signal detecting part is used for receiving or sending signals to the up-down adjusting part and external equipment to control the lifting height of the upper support frame. The up-down adjusting part comprises a ball screw and a wedge lifting assembly; the wedge lifting assembly comprises a screw block, a wedge, a sensing block guide plate, and an L-shaped lever; the sensing block guide plate is installed on the bottom support frame and is provided with a sliding groove along the height direction thereof and a sensing block arranged thereon; one end of the L-shaped lever is slidably connected with the side surface of the screw block, and the other end is slidably connected with the sliding groove through a sensing pin shaft; the L-shaped lever transmits the in-place signal to the sensing block and the signal detecting part; and the sliding of the screw block extrudes the bottom of the wedge, so that the wedge drives the upper support frame to lift.

2. An adjustable support system for a production line according to claim 1, characterized in that: The screw block is installed on the ball screw; when the ball screw rotates under the action of the power connection part I, the screw block slides along the length direction of the ball screw; and the wedge is arranged above the screw block, the bottom of the wedge is inclined, and the top of the wedge is close to the upper support frame.

3. An adjustable support system for a production line according to claim 1, characterized in that: The adjustable support system further comprises an axial adjusting device arranged on the top of the upper support frame, which comprises a power connection part II, an axial adjusting part, and a transition ring; the power connection part II is used for connecting with an external power system to provide power for the axial adjusting part; and the transition ring is arranged above the axial adjusting part, and the upper part of the transition ring is used for placing a workpiece; when the axial adjusting part rotates, the transition ring and the workpiece are driven to adjust the posture by the friction between the axial adjusting part and the transition ring.

4. An adjustable support system for a production line according to claim 3, characterized in that: The axial adjusting part comprises a rotation posture adjusting gear, a synchronous belt, and a rotation posture adjusting driving wheel; the rotation posture adjusting gear serves as a power transmission part, is connected with an external power system through a speed reducer, and rotates under the action of the external power system; the synchronous belt is sleeved on the rotation posture adjusting gear and the rotation posture adjusting driving wheel; the transition ring is arranged above the rotation posture adjusting driving wheel; and the rotation posture adjusting gear transmits power to the rotation posture adjusting driving wheel through the synchronous belt to realize the posture adjustment of the transition ring and the workpiece.

5. An adjustable support system for a production line according to claim 1 or 3, characterized in that: The adjustable support system further comprises a front-rear adjusting device arranged on the bottom support frame, which comprises a power connection part III, a signal recognition part, a moving part, and an in-place signal detecting part; the power connection part III is used for connecting with an external power system to provide power for the moving part; the signal recognition part is used for recognizing the transmitted signal; the moving part is used for driving the adjustable support system to move on the base; and the in-place signal detecting part is a signal sensing device for detecting the adjustment in place.

6. An adjustable support system for a production line according to claim 5, characterized in that: The moving part comprises a linear guide rail slider and a linear guide rail; the bottom of the linear guide rail slider is slidably connected with the linear guide rail; and the linear guide rail is arranged on the base and extends along the length direction of the base.

7. An adjustable support system for a production line according to claim 6, characterized in that: A guide rail cover is further arranged above the linear guide rail slider, and the length direction of the guide rail cover is consistent with the length direction of the linear guide rail.

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