Workpiece caching and conveying device for automobile welding production line

Abstract

The utility model discloses an automobile welding production line workpiece buffering and conveying device, which relates to the field of conveying devices and comprises a mounting frame, conveying rails are mounted on two sides of the top of the mounting frame, a plurality of groups of first cylinders are arranged in the mounting frame, and first sensing devices are mounted on two sides of the inner wall of the mounting frame. A second induction device is arranged on one side of the bottom of the first induction device, and a lifting assembly is mounted at one end of the mounting frame. The conveying device solves the problem that an existing conveying device needs a servo motor and a control system to achieve accurate positioning and is high in cost, a workpiece is placed above the conveying track, the installation frame is obliquely arranged so that the workpiece can automatically slide under the gravity effect of the workpiece, friction force between the workpiece and the installation frame can be reduced through the pulleys, and the workpiece can be accurately positioned. And the workpieces can be blocked through the first air cylinder, so that the workpieces can be cached on the conveying track, the positioning precision is high, the equipment cost is greatly reduced, and the manufacturing period of the equipment is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of conveying device, concretely to a workpiece buffer conveying device of automobile welding production line. BACKGROUND

[0002] The automobile production line is a flow production line for producing automobiles. The operation line processes include welding, stamping, painting, power assembly, etc., which improves the automation level of automobile manufacturers. However, some workpieces need to be conveyed during production, so conveying devices are needed.

[0003] At present, a large number of workpiece transportation devices for domestic automobile production lines are purchased from abroad, which has the problems of high maintenance difficulty, long manufacturing cycle and high cost. However, the project cycle is getting shorter and shorter, and imported equipment seriously limits the implementation of actual projects. UTILITY MODEL CONTENT

[0004] Therefore, the utility model aims to provide a workpiece buffer conveying device of automobile welding production line to solve the technical problems mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a workpiece buffer conveying device of automobile welding production line, comprising a mounting frame, two sides of the top of the mounting frame are provided with conveying tracks, and the inside of the mounting frame is provided with a plurality of first air cylinders, two sides of the inner wall of the mounting frame are provided with first sensing devices, one side of the bottom of the first sensing devices is provided with second sensing devices, one end of the mounting frame is provided with a lifting assembly, the lifting assembly comprises a second air cylinder mounted at the end of the mounting frame, and the output end of the second air cylinder is provided with a supporting rod, two sides of the top of the supporting rod are provided with positioning pins, the top of the supporting rod is provided with third sensing devices, the top of the supporting rod is provided with a supporting block, one side of the top of the mounting frame is provided with a blocking block, the positioning pins are conical, and the end of the mounting frame away from the lifting assembly is provided with two groups of limiting blocks, and the two groups of limiting blocks are evenly arranged at the ends of the mounting frame.

[0006] By adopting the above technical scheme, the problem of high cost of servo motor and control system required for precise positioning of the existing conveying device is solved. The workpiece is placed above the conveying track, the mounting frame is inclined to make the workpiece slide under its own gravity, the friction between the workpiece and the mounting frame is reduced by the pulley, and the workpiece is blocked by the first air cylinder, so that the precision of buffering and positioning of the workpiece on the conveying track is greatly improved, the equipment cost is greatly reduced, and the manufacturing cycle of the equipment is shortened.

[0007] The utility model is further configured such that the conveying track includes a positioning frame installed on the top of the mounting frame, and a plurality of pulleys are arranged inside the positioning frame, and a positioning block is provided on the outer wall of the positioning frame, and the positioning block is connected to the mounting frame by bolts.

[0008] By adopting the above technical solution, the positioning frame can be easily installed through the provided positioning block, and the bottom of the positioning frame can also be supported by force. The setting of the pulley can reduce the friction between the workpiece and the mounting frame.

[0009] The present invention is further configured such that limiting plates are installed on both sides of the mounting frame, and the limiting plates are higher than the top of the conveying track.

[0010] By adopting the above technical solution, the provided limiting plate can prevent the workpiece from being separated from the mounting frame during transportation of the workpiece.

[0011] The present invention is further configured such that the cross section of the support block is L-shaped.

[0012] By adopting the above technical solution, the L-shaped support block can limit the workpiece and avoid the problem of the workpiece falling.

[0013] The present invention is further configured such that a mounting seat is installed inside the mounting frame via bolts, and the first cylinder is fixedly connected to the mounting seat.

[0014] By adopting the above technical solution, the first cylinder can be conveniently installed inside the mounting frame through the provided mounting seat.

[0015] The present invention is further configured such that a fixing column is installed at the output end of the first cylinder, and a roller is installed at the end of the fixing column.

[0016] By adopting the above technical solution, the provided roller can reduce the friction between the workpiece and the end of the first cylinder when the workpiece slides.

[0017] The present invention is further configured such that the mounting bracket is tilted.

[0018] By adopting the above technical solution, the inclined mounting frame can enable the workpiece to slide downward under the action of its own gravity when the workpiece is placed on the mounting frame.

[0019] In summary, the present invention has the following beneficial effects:

[0020] 1. The utility model solves the problem of high cost of servo motor and control system required for accurate positioning of existing conveying devices by providing a first cylinder, a limit plate, a conveying track and a lifting assembly. The workpiece is placed above the conveying track, and the mounting frame is tilted so that the workpiece can slide by itself under the action of its own gravity. The pulley can reduce the friction between the workpiece and the mounting frame, and the first cylinder can block the workpiece, so that the workpiece can be cached and positioned accurately on the conveying track, which greatly reduces the equipment cost and shortens the equipment manufacturing cycle.

[0021] 2. The utility model is provided with a lifting assembly, which can lift the workpiece and conveniently lift the workpiece, thereby making it easier for the robot to take the workpiece away. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0024] Figure 3 For this utility model Figure 1 Enlarged view of point B in the middle;

[0025] Figure 4 For this utility model Figure 1 Enlarged view of point C in the middle.

[0026] In the figure: 1. Mounting frame; 2. Conveying track; 21. Positioning frame; 22. Pulley; 23. Positioning block; 3. Limiting plate; 4. Limiting block; 5. First sensing device; 6. Second sensing device; 7. First cylinder; 71. Mounting seat; 72. Fixing column; 73. Roller; 8. Lifting assembly; 81. Second cylinder; 82. Positioning pin; 83. Support block; 84. Third sensing device; 85. Support rod; 9. Stop block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] The following describes an embodiment of the present invention based on its overall structure.

[0029] A workpiece buffering and conveying device for an automobile welding production line, such as Figure 1 - Figure 4As shown, including the mounting frame 1, the top of the mounting frame 1 is provided with two conveying rails 2, and the inside of the mounting frame 1 is provided with a plurality of first cylinders 7, and the two sides of the inner wall of the mounting frame 1 are provided with first sensing devices 5, which can sense whether the workpiece is placed above the mounting frame 1, and one side of the bottom of the first sensing device 5 is provided with a second sensing device 6, one end of the mounting frame 1 is provided with a lifting assembly 8, the lifting assembly 8 includes a second cylinder 81 mounted on the end of the mounting frame 1, and the output end of the second cylinder 81 is provided with a supporting rod 85, the top of the supporting rod 85 is provided with a positioning pin 82, and the top of the supporting rod 85 is provided with a third sensing device 84, the top of the supporting rod 85 is provided with a supporting block 83, one side of the top of the mounting frame 1 is provided with a blocking block 9, the mounting frame 1 is inclined, and when the workpiece is placed above the mounting frame 1, the workpiece slides downward under the action of its own gravity, and the positioning pin 82 is conical.

[0030] Please refer to Figure 1 and Figure 2 , the conveying rail 2 includes a positioning frame 21 mounted on the top of the mounting frame 1, and the inside of the positioning frame 21 is provided with a plurality of pulleys 22, and the outer wall of the positioning frame 21 is provided with a positioning block 23, and the positioning block 23 is connected with the mounting frame 1 through bolts, and the positioning block 23 can be conveniently installed, and the bottom of the positioning frame 21 can be supported, and the pulley 22 can reduce the friction between the workpiece and the mounting frame 1.

[0031] Please refer to Figure 1 , the two sides of the mounting frame 1 are provided with limiting plates 3, and the limiting plates 3 are higher than the top of the conveying rail 2, and the limiting plates 3 can avoid the workpiece from separating from the mounting frame 1 during transportation.

[0032] Please refer to Figure 1 , the end of the mounting frame 1 away from 8 is provided with two groups of limiting blocks 4, and the two groups of limiting blocks 4 are evenly arranged at the ends of the mounting frame 1, and the limiting blocks 4 can prevent the workpiece from falling off when the workpiece is placed on the mounting frame 1.

[0033] Please refer to Figure 3 , the cross section of the supporting block 83 is provided with an L shape, and the L-shaped supporting block 83 can limit the workpiece to avoid the problem of falling off.

[0034] Please refer to Figure 1 and Figure 2A mounting seat 71 is installed inside the mounting frame 1 by bolts, and the first cylinder 7 is fixedly connected to the mounting seat 71. The mounting seat 71 is connected to the mounting frame 1 by bolts. The first cylinder 7 can be conveniently installed inside the mounting frame 1 through the provided mounting seat 71. A fixing column 72 is installed at the output end of the first cylinder 7, and a roller 73 is installed at the end of the fixing column 72. The provided roller 73 can reduce the friction between the workpiece and the end of the first cylinder 7 when the workpiece slides.

[0035] The working principle of the present utility model is as follows: when in use, the workpiece is placed above the conveying track 2, and the workpiece is placed above the pulley 22. When the first sensing device 5 can sense that the workpiece is in place, the first cylinder is unlocked, the first cylinder 7 is reset, and the workpiece is not in contact with the first cylinder 7. The workpiece slides above the pulley 22 under the action of its own gravity. When the workpiece slides to the next group of first cylinders 7, another group of first cylinders 7 blocks the workpiece, and the workpiece can stop moving. Similarly, when the workpiece slides to the blocking block 9, it is blocked by the blocking block 9 to prevent the workpiece from falling. When the third sensing device 84 senses that the workpiece has reached the blocking block 9, the second cylinder 81 drives the support rod 85 to move upward, and the support rod 85 lifts the workpiece when it moves upward. After notifying the robot to take the workpiece away, the third sensing device 84 cannot sense the workpiece, and the second cylinder 81 drives the support rod 85 to move downward and reset, waiting for the next cycle.

[0036] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A workpiece buffering and conveying device for an automobile welding production line, comprising a mounting frame (1), characterized in that: Conveying tracks (2) are installed on both sides of the top of the mounting frame (1), and a plurality of first cylinders (7) are arranged inside the mounting frame (1), first sensing devices (5) are installed on both sides of the inner wall of the mounting frame (1), and a second sensing device (6) is arranged on one side of the bottom of the first sensing device (5), a lifting assembly (8) is installed at one end of the mounting frame (1), the lifting assembly (8) includes a second cylinder (81) installed at the end of the mounting frame (1), and a support rod (85) is arranged at the output end of the second cylinder (81), positioning pins (82) are installed on both sides of the top of the support rod (85), and a third sensing device (84) is arranged on the top of the support rod (85), a support block (83) is installed on the top of the support rod (85), and a blocking block (9) is installed on one side of the top of the mounting frame (1).

2. The workpiece buffering and conveying device for an automobile welding production line according to claim 1, characterized in that: The conveying track (2) comprises a positioning frame (21) mounted on the top of the mounting frame (1), and a plurality of pulleys (22) are arranged inside the positioning frame (21).

3. The workpiece buffering and conveying device for an automobile welding production line according to claim 2, characterized in that: A positioning block (23) is provided on the outer wall of the positioning frame (21), and the positioning block (23) is connected to the mounting frame (1) via bolts.

4. The workpiece buffering and conveying device for an automobile welding production line according to claim 1, characterized in that: Limiting plates (3) are installed on both sides of the mounting frame (1), and the limiting plates (3) are higher than the top of the conveying track (2).

5. The workpiece buffering and conveying device for an automobile welding production line according to claim 1, characterized in that: Two groups of limit blocks (4) are provided at one end of the mounting frame (1) away from the lifting assembly (8), and the two groups of limit blocks (4) are evenly located at the ends of the mounting frame (1).

6. The workpiece buffering and conveying device for an automobile welding production line according to claim 1, characterized in that: The cross section of the support block (83) is L-shaped.

7. The workpiece buffering and conveying device for an automobile welding production line according to claim 1, characterized in that: The positioning pin (82) is arranged in a tapered shape.

8. The workpiece buffering and conveying device for an automobile welding production line according to claim 1, characterized in that: A mounting seat (71) is installed inside the mounting frame (1) via bolts, and the first cylinder (7) is fixedly connected to the mounting seat (71).

9. The workpiece buffering and conveying device for an automobile welding production line according to claim 1, characterized in that: A fixed column (72) is installed at the output end of the first cylinder (7), and a roller (73) is installed at the end of the fixed column (72).

10. The workpiece buffering and conveying device for an automobile welding production line according to claim 1, characterized in that: The mounting frame (1) is arranged at an angle.

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