Edge rolling tire film mechanism with automatic switching function

Abstract

The utility model discloses a rolloff tire membrane mechanism with an automatic switching function, which comprises a main body frame, a tool clamp table arranged on an automatic production line, a robot arm arranged on the side edge of the tool clamp table, an installation vacancy arranged on the tool clamp table and used for the rolloff tire membrane mechanism, and an auxiliary supporting base arranged in the middle of the installation vacancy. The tool clamp table is provided with a mounting vacancy, positioning pins are arranged on the two sides of the mounting vacancy respectively, an air cylinder clamping unit is arranged on the tool clamp table, a first electrical quick-plug module is further arranged at the mounting vacancy, a base supporting block is arranged in the middle of the lower portion of the body frame, positioning sleeves are arranged on the two sides of the lower portion of the body frame respectively, and a second electrical quick-plug module is arranged on the body frame. A flexible connecting female disc is fixedly arranged on the outer side of the main body frame, and a flexible connecting male disc is arranged on the robot arm. The rolloff tire film mechanism can be switched through the robot arm, so that the rolloff tire film mechanism is suitable for production of different vehicle types, and a hardware basis is provided for flexible production.

Description

Technical Field

[0001] The utility model relates to a roll edge tire membrane mechanism on a production line of an automobile welding workshop, in particular to a roll edge tire membrane mechanism with an automatic switching function. Background Art

[0002] At present, in order to enable automatic production lines to have flexible switching production and meet the performance of co-production of various processes and multiple models, major automobile factories have designed automatic production lines with flexible switching functions, carried out technological innovation and improvement on automatic production lines, thereby improving the practicality and production capacity of automatic production lines.

[0003] However, in the automatic production line workstations of the side panels in the welding workshops of some automobile factories, the traditional rolling membrane mechanism fixed on the tooling fixture is still used for the rolling process production operations of the side panel wheel cover. As a result, the automatic production line is only suitable for the production of a single model and does not have the conditions for flexible production of multiple models.

[0004] Therefore, it is necessary to improve the rolling membrane mechanism on the automatic production line workstation of the side panel of the welding workshop of this part of the automobile factory, provide a hardware basis for automatic switching, and provide a flexible switching function when switching production of different models, so as to achieve the purpose of co-production of different models. Utility Model Content

[0005] The purpose of the utility model is to provide a rolling membrane mechanism with an automatic switching function, which can switch the rolling membrane mechanism through a robot arm to adapt to the production of different models and provide a hardware foundation for flexible production.

[0006] The purpose of the utility model is achieved through the following technical solutions:

[0007] A rolling membrane mechanism with an automatic switching function comprises a main frame, a tooling fixture table is provided on the automatic production line, and a robot arm is provided on the side of the tooling fixture table, characterized in that: an installation space for the rolling membrane mechanism is provided on the tooling fixture table, an auxiliary support base is provided in the middle of the installation space, and vertically upward positioning pins are provided on both sides of the installation space, a cylinder clamping unit for pressing on the main frame is provided on the tooling fixture table, and a first electrical quick-plug module is also provided at the installation space, a base support block for leaning flat against the auxiliary support base is provided in the middle of the lower part of the main frame, positioning sleeves for cooperating with the positioning pins are provided on both sides of the lower part of the main frame, a second electrical quick-plug module for cooperating with the first electrical quick-plug module is provided on the main frame, a flexible connection mother disk is fixedly provided on the outer side of the main frame, and a flexible connection male disk for cooperating with the flexible connection mother disk is provided on the robot arm.

[0008] Furthermore, a dust cover which can automatically flip up and down is provided on the outside of the installation space of the rolled fetal membrane mechanism, and the dust cover is used to cover the flexible connection mother disc.

[0009] Furthermore, the cylinder clamping unit is provided with a pressure rod which can automatically turn up and down, and a pressure head for pressing on the main frame is provided at the front end of the pressure rod.

[0010] Furthermore, an auxiliary clamping block is provided on the main frame, and the pressing head is pressed on the auxiliary clamping block during clamping.

[0011] Furthermore, mounting bases are respectively provided on both sides of the lower side of the main frame, and vertical mounting plates are provided on two adjacent sides of the mounting base. The positioning sleeve is installed in the mounting base, and the mounting plate and the positioning sleeve are connected by mounting bolts. A positioning plane is provided on the side of the positioning sleeve corresponding to the mounting plate, and a gasket is provided between the positioning plane and the mounting plate. The position of the positioning sleeve can be adjusted by adjusting the thickness of the gasket.

[0012] Furthermore, cylinder clamping units are respectively provided on the fixture table at positions corresponding to the auxiliary support base and the positioning pin.

[0013] Furthermore, two front and rear auxiliary support bases are provided in the middle of the installation space, and two front and rear base support blocks are provided in the middle of the lower part of the main frame.

[0014] Furthermore, a connecting plate is provided at the rear of the flexible connecting mother disk, a connecting bracket is provided at the rear of the connecting plate, and the connecting bracket is fixedly connected to the main frame.

[0015] Furthermore, a sensor is provided on the fixture table, and a sensor sheet for cooperating with the sensor for induction is provided on the main frame.

[0016] Further, the flexible connection male plate is mounted on the side of the robot arm.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model improves the hemming membrane mechanism of the existing single-car model automatic production line, and can realize that when the automatic production line produces different car models, the hemming membrane mechanism can be switched by a robot arm to a hemming membrane mechanism that matches the car model, which can effectively improve the production capacity of the automatic production line with flexible switching, while ensuring the quality of the hemming of the side wheel cover and meeting the needs of co-production of different car models, and can improve the capacity of the automatic production line for mixed-line production of different car models. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the rolled fetal membrane mechanism of the utility model after the clamping is completed;

[0020] Figure 2 It is a three-dimensional schematic diagram of the tooling fixture table after the roll-edge fetal membrane mechanism of the utility model is clamped;

[0021] Figure 3 It is a three-dimensional schematic diagram of the tooling fixture table of the utility model;

[0022] Figure 4 yes Figure 3 The enlarged schematic diagram of point A in the middle;

[0023] Figure 5 yes Figure 3 The enlarged schematic diagram of point B in the middle;

[0024] Figure 6 It is one of the three-dimensional schematic diagrams of the main frame and its upper components of the utility model;

[0025] Figure 7 This is the second three-dimensional schematic diagram of the main frame and its upper components of the utility model;

[0026] Figure 8 It is a three-dimensional schematic diagram of the flexible connection mother disk of the utility model;

[0027] Fig. 9 yes Figure 7 The enlarged schematic diagram of the center C;

[0028] Fig.10 It is a structural schematic diagram of the front end of the robot arm of the utility model.

[0029] Meaning of reference numerals in the figure:

[0030] 1- tooling fixture table; 2- robot arm; 3- flexible connection male plate; 4- hemming head; 5- support column; 6- dust cover; 7- tooling cylinder clamping unit; 8- main frame; 9- installation space; 10- positioning pin; 11- fixed seat; 12- pressure rod; 13- pressure head; 14- rotating fulcrum; 15- auxiliary support base; 16- cylinder clamping unit; 17- first electrical quick plug module; 18- auxiliary clamping block; 19- induction sheet; 20- workpiece clamping unit; 21- Fetal membrane component; 22-flexible connection mother disk; 23-connecting plate; 24-air source and water medium module; 25-inlay groove; 26-round rod; 27-base support block; 28-positioning sleeve; 29-auxiliary guide hole; 30-pin interface; 31-electrical module; 32-connecting bracket; 33-mounting base; 34-mounting plate; 35-mounting bolt; 36-gasket; 37-auxiliary pin; 38-boss; 39-hook; 40-socket interface; 41-second electrical quick-plug module. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with embodiments.

[0032] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0035] Example:

[0036] like Figures 6 to 7 The figure shows the rolled fetal membrane mechanism with automatic switching function of this embodiment, which includes a main frame 8, and two front and rear base support blocks 27 are provided in the middle of the lower part of the main frame 8, and positioning sleeves 28 are respectively provided on both sides of the lower side of the main frame 8. The center hole of the positioning sleeve 28 is an elliptical hole, and a second electrical quick-plug module 41 is provided on the side of the main frame 8.

[0037] The installation structure of the positioning sleeve 28 is as follows: Fig. 9 As shown, mounting bases 33 are provided on both sides below the main frame 8, and two adjacent sides of the mounting base 33 are provided with vertical mounting plates 34. The mounting base 33 is semi-enclosed as a whole, and the positioning sleeve 28 is installed in the mounting base 33. The mounting plate 34 and the positioning sleeve 28 are connected by mounting bolts 35. A positioning plane is provided on the side of the positioning sleeve 28 corresponding to the mounting plate, and a gasket 36 is provided between the positioning plane and the mounting plate 34. During use, the position of the positioning sleeve 28 can be adjusted by adjusting the thickness of the gasket 36, so that the positioning sleeve 28 can be more accurately sleeved on the positioning pin 10. The thickness of the gasket 36 can be adjusted by replacing the gasket 36 of different thicknesses, or by increasing and decreasing the number of gaskets 36.

[0038] In this embodiment, auxiliary clamping blocks 18 are respectively provided on the main frame 8 corresponding to the two positioning sleeves 28 and the base support block 27 close to the edge. The auxiliary clamping blocks 18 are square pads, and there are three of them in total, which are installed by bolts respectively.

[0039] A flexible connecting mother disk 22 is fixedly provided on the outer side of the main frame 8, and the installation structure of the flexible connecting mother disk 22 is: a connecting plate 23 is provided behind the flexible connecting mother disk 22, and a connecting bracket 32 ​​is provided behind the connecting plate 23, and the connecting bracket 32 ​​is fixedly connected to the main frame 8.

[0040] like Figures 1 to 3 As shown, a fixture table 1 is provided on the original automatic production line, a robot arm 2 is provided on the side of the fixture table 1, and a hemming head 4 for hemming the automobile wheel cover is provided at the front end of the robot arm 2.

[0041] An installation space 9 for the rolled fetal membrane mechanism is provided on the fixture table 1. Two front and rear auxiliary support bases 15 are provided in the middle of the installation space 9. The auxiliary support base 15 is used to lie flat against the bottom of the base support block 27 to form support. Vertically upward positioning pins 10 are provided on both sides of the installation space 9. The positioning pins 10 of this embodiment are provided on the fixing seat 11 and are installed on the fixture table 8 through the fixing seat 11. The positioning pins 10 are used to cooperate and be inserted into the positioning sleeve 28 to achieve positioning. Cylinder clamping units 16 are provided on the fixture table 8 at positions corresponding to the auxiliary support base 15 and the positioning pins 10. A first electrical quick-plug module 17 is also provided at the installation space 9. The first electrical quick-plug module 17 is installed on the lifting cylinder to achieve the rising quick plug-in function. The first electrical quick-plug module 17 can be electrically connected with the second electrical quick-plug module 41. Its electrical connection structure is a conventional structure. A quick-plug plate and electrical components are provided on the electrical quick-plug module. The quick-plug plate is provided with circular holes of different sizes for installing and fixing electrical components and gas source plugs. The electrical quick-plug module is installed by fixing the connecting plate with bolts. The connection of the electrical quick-plug module provides energy for the cylinder action on the main frame.

[0042] Among them, Figure 4 As shown, the cylinder clamping unit 16 is provided with a pressure rod 12 that can automatically turn up and down, and a pressure head 13 is provided at the front end of the pressure rod 12, and the pressure head 13 is used to press on the auxiliary clamping block 18 on the main frame 8. The up and down turning of the cylinder clamping unit 16 is driven by a conventional rotary cylinder. The pressure rods 12 rotate around their respective rotation fulcrums 14, and the rotation range is 90°. The main frame 8 is clamped and released by rotating the pressure rod 12 up and down 90°.

[0043] In this embodiment, a dust cover 6 that can automatically flip up and down is provided on the outside of the installation space 9 of the rolled fetal membrane mechanism. The dust cover 6 is driven by a conventional rotary cylinder to achieve up and down flipping. The dust cover 6 is used to cover the flexible connection mother disk 22 to prevent the flying dust generated during the welding process from falling into the flexible connection mother disk 22.

[0044] In this embodiment, a sensor is provided on the fixture table 1, and a sensor sheet 19 for cooperating with the sensor for sensing is provided on the main frame, and the sensor sheet 19 is installed by bolts. During switching, the sensor senses the sensor sheet 19 and is used as a signal point for collection.

[0045] A flexible connection male disk 3 is provided on the side of the robot arm 2, and the flexible connection male disk 3 is used to cooperate with the flexible connection female disk 22. Figure 8 As shown, the flexible connection mother plate 22 is in a circular shape as a whole, and a mounting groove 25 is provided on its front side. The mounting groove 25 is in a triangular shape, and round bars 26 are provided at the three corners of the mounting groove 25. A pin interface 30 and an auxiliary guide hole 29 are also provided on the front side of the flexible connection mother plate 23. Fig.10 As shown, the flexible connection male disk 3 is provided with a boss 38 that fits in the inlay groove 25, and the three corners of the boss 38 are respectively provided with hooks 39 that can be turned up and down. The hooks 39 are driven by a cylinder to turn up and down, and the front of the flexible connection male disk 3 is provided with a socket interface 40 and an auxiliary plug 37. When connected, the socket interface 40 is connected with the pin interface 30, the auxiliary plug 37 is inserted into the auxiliary guide hole 29, the boss 38 is embedded in the inlay groove 25, and the hook 39 is hooked on the round rod 26. The auxiliary guide hole 29 on the flexible connection female disk 22 plays a guiding and calibrating role for the debugging and switching of the end of the robot arm, and provides an essential hardware structure for the switching of the hemming membrane mechanism.

[0046] The use process of the rolled fetal membrane mechanism with automatic switching function in this embodiment is as follows:

[0047] When the rolled fetal membrane mechanism is clamped on the tooling fixture table, the first electrical quick-plug module 17 is connected together with the second electrical quick-plug module 41, the base support block 27 is flat on the auxiliary support base 15, and the auxiliary support base 15 supports it. The positioning sleeve 28 is fitted on the positioning pin 10, and the pressure heads 13 of the three cylinder clamping units 16 are respectively pressed on the auxiliary clamping blocks 18, thereby stably installing the rolled fetal membrane mechanism on the tooling fixture table 1. At this time, the sensor senses the sensor sheet 19, and the dust cover 6 flips up and covers the flexible connection mother disk 22. When it is necessary to switch to another rolled fetal membrane mechanism, the dust cover 6 is flipped down to open the flexible connection mother disk 22, and the robot arm 2 is started. The robot arm 2 connects the flexible connection male disk 3 on it to the flexible connection mother disk 22, and then the pressure rod 12 of the cylinder clamping unit 16 is flipped upward, and the pressure head releases the main frame 8. The robot arm 2 lifts the rolled fetal membrane mechanism and then places it on the external placement rack, and then connects it with the flexible connection mother disk 22 of another new rolled fetal membrane mechanism through the flexible connection male disk 3, lifts it and moves it to the installation position 9, clamps and fixes the new rolled fetal membrane mechanism, and then the flexible connection male disk 3 on the robot arm 2 is disengaged from the flexible connection mother disk 22, and the dust cover 6 is flipped up again to cover the flexible connection mother disk 22 to complete the switch.

[0048] The rolled membrane mechanism of this embodiment is semi-arc-shaped, with a membrane component 21 installed on the end face of the main frame 8, and a valve island assembly installation device and three workpiece clamping units 20 are also provided on the side of the main frame 8. The workpiece clamping unit 20 clamps the workpiece through a cylinder, and the three workpiece clamping units 20 are distributed in the middle and on both sides. When the parts are placed on the membrane component and fit with the membrane surface, the pressure blocks on the workpiece clamping units 20 on both sides clamp the end and tail of the membrane component respectively. The membrane component 21 has different heights and is semi-arc-shaped, matching the structural shape of the wheel cover of the side enclosure assembly parts. In addition, the membrane component is provided with multiple bolt holes and is mounted on the main frame by bolts.

[0049] In this embodiment, a conventional air source and water medium module 24 is embedded and installed on one side of the flexible connection mother disk 22 , and an electrical module 31 is provided on the side of the flexible connection mother disk 22 .

[0050] Among them, the tooling fixture table 1 is also provided with a conventional tooling cylinder clamping unit 7, a BASE plate, and a supporting column 5. The tooling cylinder clamping unit 7 is installed on the BASE plate of the tooling fixture table 1 through an auxiliary bracket, and is used to place the side panel assembly parts on the tooling fixture table. The support block and cylinder unit of the tooling cylinder clamping unit 7 clamp and position the parts, which plays a role in fixing the dimensional accuracy of the side panel and provides a benchmark for the robot's production operation.

[0051] The above-mentioned embodiments of the utility model are not intended to limit the protection scope of the utility model, and the implementation methods of the utility model are not limited to these. All other various forms of modifications, replacements or changes made to the above-mentioned structure of the utility model based on the above-mentioned contents of the utility model, in accordance with the common technical knowledge and customary means in the field, without departing from the above-mentioned basic technical ideas of the utility model, should fall within the protection scope of the utility model.

Claims

1. A roll-edge membrane mechanism with an automatic switching function, comprising a main frame, a fixture table provided on an automatic production line, and a robot arm provided on the side of the fixture table, characterized in that: An installation space for the rolled fetal membrane mechanism is provided on the fixture table, an auxiliary support base is provided in the middle of the installation space, vertically upward positioning pins are provided on both sides of the installation space, a cylinder clamping unit for pressing the main frame is provided on the fixture table, and a first electrical quick-plug module is also provided at the installation space, a base support block for leaning against the auxiliary support base is provided in the middle of the lower part of the main frame, positioning sleeves for matching with the positioning pins are provided on both sides of the lower part of the main frame, a second electrical quick-plug module for electrically connecting with the first electrical quick-plug module is provided on the main frame, a flexible connection mother disk is fixedly provided on the outer side of the main frame, and a flexible connection male disk for matching with the flexible connection mother disk is provided on the robot arm.

2. The roll-edge fetal membrane mechanism with automatic switching function according to claim 1, characterized in that: A dust cover which can automatically turn up and down is provided on the outside of the installation space of the rolled fetal membrane mechanism, and the dust cover is used to cover the flexible connection mother disc.

3. The roll-edge fetal membrane mechanism with automatic switching function according to claim 1, characterized in that: The cylinder clamping unit is provided with a pressure rod which can automatically turn up and down, and the front end of the pressure rod is provided with a pressure head for pressing on the main frame.

4. The roll-edge fetal membrane mechanism with automatic switching function according to claim 3, characterized in that: An auxiliary clamping block is arranged on the main frame, and the pressing head is pressed on the auxiliary clamping block during clamping.

5. The roll-edge fetal membrane mechanism with automatic switching function according to claim 1, characterized in that: Mounting bases are provided on both sides of the lower side of the main frame, and vertical mounting plates are provided on two adjacent sides of the mounting base. The positioning sleeve is installed in the mounting base, and the mounting plate and the positioning sleeve are connected by mounting bolts. A positioning plane is provided on the side of the positioning sleeve corresponding to the mounting plate, and a gasket is provided between the positioning plane and the mounting plate. The position of the positioning sleeve can be adjusted by adjusting the thickness of the gasket.

6. The roll-edge fetal membrane mechanism with automatic switching function according to claim 1, characterized in that: Cylinder clamping units are respectively provided on the fixture table at positions corresponding to the auxiliary support base and the positioning pin.

7. The automatic switching mechanism for rolling the fetal membrane according to claim 1, characterized in that: Two front and rear auxiliary support bases are arranged in the middle of the installation space, and two front and rear base support blocks are arranged in the middle of the lower part of the main frame.

8. The automatic switching mechanism for rolling the fetal membrane according to claim 1, characterized in that: A connecting plate is arranged behind the flexible connecting mother plate, a connecting bracket is arranged behind the connecting plate, and the connecting bracket is fixedly connected to the main frame.

9. The automatic switching mechanism for rolling the fetal membrane according to claim 1, characterized in that: The fixture table is provided with a sensor, and the main frame is provided with a sensor sheet for cooperating with the sensor for induction.

10. The roll-edge fetal membrane mechanism with automatic switching function according to claim 1, characterized in that: The flexible connection male disk is mounted on the side of the robot arm.

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