Manipulator structure of automobile door cover line

Abstract

The invention is suitable for the technical field of manipulators, and provides an automobile door cover line manipulator structure which comprises a supporting frame. A sliding groove is formed in the top of the supporting frame, a screw rod is rotationally installed in the sliding groove through a bearing, a cabin is formed in the inner side wall of the supporting frame, and a first motor is installed in the cabin. According to the automobile door cover line mechanical arm structure, an automobile door cover is fixed through the bracket, steering of the bracket is achieved through cooperation of the screw rod and the threaded sleeve, the device is easy and convenient to use, and compared with manual installation, the efficiency is higher, more labor is saved, and safety is achieved; the positioning sleeve and the positioning claw are in sliding insertion connection through the connecting column and are limited and fixed through the clamping block, the positioning claw can be disassembled, assembled and replaced more quickly and conveniently through the connecting mode, the placing angle of the connecting column can be adjusted by arranging the four sets of positioning grooves, and therefore the orientation of the positioning claw can be adjusted, and a special automobile door cover can be fixed conveniently; through the arrangement, the applicability of the device can be improved.

Description

Technical Field

[0001] The invention belongs to the technical field of manipulators, and in particular relates to a manipulator structure for an automobile door cover line. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including cutting, folding, welding, riveting, splicing, forming, etc. Its most notable feature is that the thickness of the same part is consistent. The products processed by sheet metal technology are called sheet metal parts. During the automobile assembly process, the sheet metal parts need to be moved to the body panels for assembly.

[0003] With the rapid development of automobile welding automation technology, the existing technology is to manually lift the sheet metal parts to the car body for assembly. Due to the large size of the sheet metal parts, manual installation is difficult and has poor precision, low assembly efficiency, high labor intensity, and certain safety hazards during the handling process. Summary of the invention

[0004] The invention provides a car door cover line manipulator structure, aiming to solve the current problem of difficulty in installing sheet metal parts and potential safety hazards.

[0005] The present invention is implemented in this way. A car door cover line manipulator structure includes a support frame; a slide groove is opened on the top of the support frame, and a screw rod is rotatably installed in the slide groove through a bearing; a cabin is opened on the inner side wall of the support frame, and a first motor is installed in the cabin, the output shaft of the first motor is connected to the bottom of the screw rod, a screw sleeve is sleeved on the outside of the screw rod, a connecting block is installed on the side of the screw sleeve, a connecting rod is installed on the side of the connecting block, a bracket is hingedly installed on the right side of the bottom of the support frame, a connecting block is installed on the inner side of the bracket, and the The two ends of the connecting rod are hingedly connected to the two groups of connecting blocks respectively, a fixing sleeve is installed on the lower side of the bracket, a fixing claw is installed on the side of the fixing sleeve, an electric cylinder is installed on the outer wall of the bracket, the output shaft of the electric cylinder is connected to a connecting plate, the other end of the connecting plate is connected to a positioning sleeve, a positioning claw is installed on the side of the positioning sleeve, a groove matching the width of the side wall of the bracket is opened on the inner side of the positioning sleeve, the positioning sleeve is slidably sleeved on the side wall of the bracket, and two groups of the positioning sleeve and the fixing sleeve are provided and are symmetrically distributed on the side wall of the bracket.

[0006] Preferably, a connecting column is installed on the side wall of the positioning claw, a slot matched with the connecting column is opened on the side wall of the positioning sleeve, the connecting column and the positioning sleeve are slidably plugged in, a groove is opened on the inner wall of the positioning sleeve, and a slider is slidably installed in the groove, a card block is installed on one side of the slider, a positioning groove matched with the card block is opened on the side wall of the connecting column, the card block passes through the inner wall of the positioning sleeve and is plugged into the connecting column, a push block is connected to the upper side of the slider, the push block is located on the outside of the positioning sleeve, a spring is installed in the groove of the positioning sleeve, and the movable end of the spring is connected to the slider.

[0007] Preferably, four groups of positioning grooves are provided, and the four groups of positioning grooves are distributed on the surface of the connecting column in a circular array.

[0008] Preferably, a spherical groove is formed on the inner wall of the groove of the positioning sleeve, and balls are movably embedded in the groove, and the balls are arranged in four groups corresponding to each other.

[0009] Preferably, the connecting plate is fixedly connected to one group of positioning sleeves, and the two groups of positioning sleeves are connected via a connecting frame, which is configured in a C-shape and fits on the surface of the bracket.

[0010] Preferably, a tension sensor is installed between the connecting plate and the output shaft of the electric cylinder, a controller is installed on the surface of the electric cylinder, and the tension sensor is electrically connected to the controller of the electric cylinder.

[0011] Preferably, the fixing sleeve and the positioning sleeve have the same structure, and the fixing claw and the positioning claw have the same structure.

[0012] Preferably, the support frame is installed on the upper end of the base, and the support frame and the base are rotatably connected. A second motor is installed on the upper end of the base, and the output group of the second motor is connected to a gear. The outer wall of the support frame is installed with a gear ring meshing with the gear.

[0013] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0014] 1. The device fixes the car door cover through a bracket and realizes the steering of the bracket through the cooperation of the screw and the screw sleeve. The device is simple and convenient to use, and is more efficient, more labor-saving and safer than manual installation. The positioning sleeve and the positioning claw are inserted through the sliding connection of the connecting column and fixed by the card block. This connection method can make the disassembly, assembly and replacement of the positioning claw faster and more convenient. The placement angle of the connecting column can be adjusted by setting four groups of positioning grooves, so that the direction of the positioning claw can be adjusted, which is convenient for fixing special car door covers. This setting can improve the applicability of the device.

[0015] 2. By providing a tension sensor, the tension sensor can monitor the tension between the output shaft of the electric cylinder and the connecting plate in real time, so that the clamping force between the positioning claw and the car door cover can be kept constant, avoiding deformation of the car door cover due to excessive clamping force or loosening of the car door cover due to insufficient clamping force, thereby improving the stability of the car door cover during installation. By providing a second motor, the second motor can drive the gear to rotate after starting, and the gear drives the gear ring to rotate, so that the support frame can be turned. Through this setting, the direction of the support frame can be adjusted, thereby further improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0017] Figure 2 It is a front cross-sectional structural schematic diagram of the present invention;

[0018] Figure 3 is a schematic diagram of the side view structure of the bracket of the present invention;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the positioning sleeve of the present invention;

[0020] Figure 5 is a schematic diagram of the top view of the connecting column of the present invention;

[0021] Figure 6 It is a schematic diagram of the structure of the second form of the present invention;

[0022] In the figure: 1. support frame; 2. screw rod; 3. first motor; 4. screw sleeve; 5. connecting block; 6. connecting rod; 7. bracket; 8. fixing sleeve; 9. fixing claw; 10. electric cylinder; 11. connecting plate; 12. positioning sleeve; 13. positioning claw; 14. connecting column; 15. slider; 16. clamping block; 17. push block; 18. spring; 19. positioning groove; 20. ball bearing; 21. connecting frame; 22. base; 23. second motor; 24. gear; 25. gear ring; 26. tension sensor; 27. controller. DETAILED DESCRIPTION

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0024] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0025] The embodiment of the present invention provides a car door cover line robot structure, such as Figure 1-4 As shown, it includes a support frame 1, a slide groove is opened on the top of the support frame 1, and a screw rod 2 is rotatably installed in the slide groove through a bearing, a cabin is opened on the inner wall of the support frame 1, and a first motor 3 is installed in the cabin, the output shaft of the first motor 3 is connected to the bottom of the screw rod 2, a screw sleeve 4 is sleeved on the outside of the screw rod 2, a connecting block 5 is installed on the side of the screw sleeve 4, a connecting rod 6 is installed on the side of the connecting block 5, a bracket 7 is hingedly installed on the right side of the bottom of the support frame 1, a connecting block 5 is installed on the inner side of the bracket 7, and a connecting rod The two ends of the bracket 6 are respectively hingedly connected to the two groups of connecting blocks 5, a fixing sleeve 8 is installed on the lower side of the bracket 7, a fixing claw 9 is installed on the side of the fixing sleeve 8, an electric cylinder 10 is installed on the outer wall of the bracket 7, the output shaft of the electric cylinder 10 is connected to a connecting plate 11, the other end of the connecting plate 11 is connected to a positioning sleeve 12, a positioning claw 13 is installed on the side of the positioning sleeve 12, a groove matching the width of the side wall of the bracket 7 is opened on the inner side of the positioning sleeve 12, the positioning sleeve 12 is slidably sleeved on the side wall of the bracket 7, and the positioning claw 13 is installed on the side wall of the bracket 7. The positioning sleeve 12 and the fixing sleeve 8 are both provided with two groups and are symmetrically distributed on the side wall of the bracket 7. When the device is used, the first motor 3 is first started, and the first motor 3 drives the screw rod 2 to rotate to lower the screw sleeve 4, so as to place the bracket 7 to a horizontal state, and then the automobile door cover to be installed can be placed above the bracket 7, and then the electric cylinder 10 is started. After the electric cylinder 10 is started, the connecting plate 11 is pulled, and the connecting plate 11 drives the positioning sleeve 12 to slide so that the positioning claws 13 and the automobile door cover are tightly fitted, and the automobile door cover is clamped and fixed by the two groups of positioning claws 13 and the fixing claws 9. Then the first motor 3 is started again, and at this time the screw sleeve 4 slides upward, and the bracket 7 is pulled up by the connecting rod 6. At this time, the bracket 7 is in a vertical state, and then the automobile door cover can be installed and connected with the vehicle body. The device fixes the automobile door cover through the bracket 7 and realizes the steering of the bracket 7 through the cooperation of the screw rod 2 and the screw sleeve 4. The device is simple and convenient to use, and has higher efficiency, more labor-saving and safer than manual installation.

[0026] The side wall of the positioning claw 13 is provided with a connecting column 14, the side wall of the positioning sleeve 12 is provided with a slot adapted to the connecting column 14, the connecting column 14 and the positioning sleeve 12 are slidably plugged, the inner wall of the positioning sleeve 12 is provided with a groove, and a slider 15 is slidably installed in the groove, a block 16 is installed on one side of the slider 15, and the side wall of the connecting column 14 is provided with a positioning groove 19 adapted to the block 16, the block 16 passes through the inner wall of the positioning sleeve 12 and is plugged between the connecting column 14, the upper side of the slider 15 is connected to a push block 17, the push block 17 is located outside the positioning sleeve 12, and a spring 1 is installed in the groove of the positioning sleeve 12 8. The movable end of the spring 18 is connected to the slider 15, and the positioning sleeve 12 is connected to the positioning claw 13 through the connecting column 14. Due to the diversity of automobile door cover models, corresponding clamps are required when installing different automobile door covers. Therefore, the positioning claw 13 needs to be replaced. At this time, it is only necessary to pull the push block 17 to pull the card block 16 out of the positioning groove 19 on the side of the connecting column 14. At this time, the positioning claw 13 can be removed from the positioning sleeve 12, and the connecting column 14 is slidably plugged and fixed by the card block 16. This connection method can make the disassembly and replacement of the positioning claw 13 faster and more convenient.

[0027] There are four groups of positioning grooves 19, which are distributed in a circular array on the surface of the connecting column 14. By setting up four groups of positioning grooves 19, the placement angle of the connecting column 14 can be adjusted, so that the direction of the positioning claw 13 can be adjusted, which is convenient for fixing special automobile door covers. This setting can improve the applicability of the device.

[0028] A spherical groove is provided on the inner wall of the groove of the positioning sleeve 12, and a ball 20 is movably embedded in the groove. Four groups of balls 20 are arranged and correspond to each other. By providing the ball 20, the ball 20 can convert the sliding friction between the positioning sleeve 12 and the bracket 7 into rolling friction, thereby reducing the wear of the parts and increasing the service life of the parts.

[0029] The connecting plate 11 is fixedly connected to one of the groups of positioning sleeves 12, and the two groups of positioning sleeves 12 are connected by a connecting frame 21. The connecting frame 21 is set to be C-shaped and fits on the surface of the bracket 7. By setting up the connecting frame 21, the connecting frame 21 can connect the two groups of positioning sleeves 12, thereby realizing the simultaneous movement of the two groups of positioning claws 13.

[0030] A tension sensor 26 is installed between the connecting plate 11 and the output shaft of the electric cylinder 10. A controller 27 is installed on the surface of the electric cylinder 10. The tension sensor 26 is electrically connected to the controller 27 of the electric cylinder 10. By providing the tension sensor 26, the tension sensor 26 can monitor the tension between the output shaft of the electric cylinder 10 and the connecting plate 11 in real time, so that the clamping force between the positioning claw 13 and the automobile door cover can be kept constant, avoiding deformation of the automobile door cover due to excessive clamping force or loosening of the automobile door cover due to insufficient clamping force, thereby improving the stability of the automobile door cover during installation.

[0031] The fixing sleeve 8 and the positioning sleeve 12 have the same structure, and the fixing claw 9 and the positioning claw 13 have the same structure. This arrangement enables the fixing claw 9 to be easily disassembled, assembled and replaced.

[0032] The support frame 1 is installed on the upper end of the base 22, and the support frame 1 and the base 22 are rotatably connected. A second motor 23 is installed on the upper end of the base 22, and the output group of the second motor 23 is connected to a gear 24. The outer wall of the support frame 1 is installed with a gear ring 25 meshing with the gear 24. By providing the second motor 23, the second motor 23 can drive the gear 24 to rotate after being started, and the gear 24 drives the gear ring 25 to rotate, so that the support frame 1 is turned. Through this setting, the direction of the support frame 1 can be adjusted, thereby further improving the applicability of the device.

[0033] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described order of actions, because according to the present invention, some steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0034] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0035] The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. The above embodiments are only used to illustrate the technical scheme of the present invention, rather than to limit the scope of protection of the invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the embodiments of the present invention according to the situation without conflict, without making creative work, so as to obtain different other technical solutions that are essentially not separated from the concept of the present invention, and these technical solutions also belong to the scope of protection of the present invention.

Claims

1. A car door cover line manipulator structure, characterized in that: The invention comprises a support frame (1): a slide groove is provided on the top of the support frame (1), and a screw rod (2) is rotatably installed in the slide groove through a bearing; a chamber is provided on the inner wall of the support frame (1), and a first motor (3) is installed in the chamber; an output shaft of the first motor (3) is connected to the bottom of the screw rod (2); a screw sleeve (4) is sleeved on the outside of the screw rod (2); a connecting block (5) is installed on the side of the screw sleeve (4); a connecting rod (6) is installed on the side of the connecting block (5); a bracket (7) is hingedly installed on the right side of the bottom of the support frame (1); a connecting block (5) is installed on the inner side of the bracket (7); two ends of the connecting rod (6) are respectively hinged to two groups of connecting blocks (5). The bracket (7) is connected to the outer wall of the bracket (7), a fixing sleeve (8) is installed on the lower side of the fixing sleeve (8), a fixing claw (9) is installed on the side of the fixing sleeve (8), an electric cylinder (10) is installed on the outer wall of the bracket (7), the output shaft of the electric cylinder (10) is connected to a connecting plate (11), the other end of the connecting plate (11) is connected to a positioning sleeve (12), a positioning claw (13) is installed on the side of the positioning sleeve (12), a groove matching the width of the side wall of the bracket (7) is provided on the inner side of the positioning sleeve (12), the positioning sleeve (12) is slidably sleeved on the side wall of the bracket (7), and the positioning sleeve (12) and the fixing sleeve (8) are both provided with two groups and symmetrically distributed on the side wall of the bracket (7).

2. The automobile door cover line manipulator structure according to claim 1, characterized in that: A connecting column (14) is installed on the side wall of the positioning claw (13); a slot matched with the connecting column (14) is provided on the side wall of the positioning sleeve (12); the connecting column (14) and the positioning sleeve (12) are slidably plugged in; a groove is provided on the inner wall of the positioning sleeve (12), and a slider (15) is slidably installed in the groove; a clamping block (16) is installed on one side of the slider (15); a positioning groove (19) matched with the clamping block (16) is provided on the side wall of the connecting column (14); the clamping block (16) passes through the inner wall of the positioning sleeve (12) and is plugged in between the connecting column (14); a push block (17) is connected to the upper side of the slider (15); the push block (17) is located outside the positioning sleeve (12); a spring (18) is installed in the groove of the positioning sleeve (12); the movable end of the spring (18) is connected to the slider (15).

3. The automobile door cover line manipulator structure as claimed in claim 2, characterized in that: Four groups of positioning grooves (19) are provided, and the four groups of positioning grooves (19) are distributed on the surface of the connecting column (14) in a circular array.

4. The automobile door cover line manipulator structure according to claim 1, characterized in that: A spherical groove is provided on the inner wall of the groove of the positioning sleeve (12), and a ball (20) is movably embedded in the groove. The ball (20) is provided in four groups and corresponds to each other.

5. The automobile door cover line manipulator structure as claimed in claim 4, characterized in that: The connecting plate (11) is fixedly connected to one group of positioning sleeves (12), and the two groups of positioning sleeves (12) are connected via a connecting frame (21). The connecting frame (21) is configured in a C shape and fits on the surface of the bracket (7).

6. The automobile door cover line manipulator structure according to claim 1, characterized in that: A tension sensor (26) is installed between the connecting plate (11) and the output shaft of the electric cylinder (10), a controller (27) is installed on the surface of the electric cylinder (10), and the tension sensor (26) is electrically connected to the controller (27) of the electric cylinder (10).

7. The automobile door cover line robot structure according to claim 1, characterized in that: The fixing sleeve (8) and the positioning sleeve (12) have the same structure, and the fixing claw (9) and the positioning claw (13) have the same structure.

8. The automobile door cover line manipulator structure according to claim 1, characterized in that: The support frame (1) is mounted on the upper end of the base (22); the support frame (1) and the base (22) are rotatably connected; a second motor (23) is mounted on the upper end of the base (22); an output group of the second motor (23) is connected to a gear (24); and a gear ring (25) meshing with the gear (24) is mounted on the outer side wall of the support frame (1).

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