A reversible off-line spreader

Abstract

This utility model discloses a flip-up lifting device for automobile manufacturing technology. It includes a lifting beam with vertical beams at both ends, a flipping frame, a drive cylinder, and several clamps. The flipping frame includes two horizontal bars connected by several vertical bars. The lower ends of the vertical beams are hinged to the middle of adjacent vertical bars via a pivot and a bearing. The cylinder body of the drive cylinder is hinged to the lifting beam via a first support, and the piston rod is hinged to one of the horizontal bars via a second support. Each clamp is connected to the flipping frame for clamping workpieces. This utility model enables automatic clamping and 90° flipping, reducing manual intervention. The flipping process can be stopped at any time, improving lifting efficiency and safety.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, specifically a flip-up unloading hoist. Background Technology

[0002] Currently, fixed lifting devices are commonly used for body-in-white lifting, while motor-driven tilting devices are also introduced in some cases. After the workpiece is clamped, the tilting operation usually relies on manual intervention or auxiliary equipment, although some systems use automatic motor tilting. However, motor-driven tilting mechanisms are complex in structure, have high manufacturing costs, and pose certain safety risks; while manual tilting is not only labor-intensive and cumbersome, but also prone to human error, affecting production rhythm and consistency. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a flip-up lifting device that can automatically clamp and flip 90°, reduce manual intervention, and can be stopped at any time during the flipping process, thereby improving lifting efficiency and safety.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a flip-up lifting device, comprising a lifting device crossbeam, with lifting device vertical beams respectively provided at both ends of the lifting device crossbeam, and further comprising a flipping frame, a drive cylinder, and several clamps; the flipping frame includes two horizontal bars, and several vertical bars are connected between the two horizontal bars; the lower end of the lifting device vertical beam is hinged to the middle of the adjacent vertical bar through a rotating shaft and a rotating bearing; the cylinder body of the drive cylinder is hinged to the lifting device crossbeam through a first support, and the piston rod of the drive cylinder is hinged to one of the horizontal bars through a second support; each clamp is connected to the flipping frame for clamping the workpiece.

[0005] A further improvement is that the lifting beam is provided with lifting lugs for connecting the lifting chain.

[0006] A further improvement is that a control valve is installed on the crossbeam of the lifting device, a check valve is installed on the cylinder body of the drive cylinder, and an operation button is installed on one of the vertical beams of the lifting device. The operation button forms a control circuit through the air pipe, the control valve, and the check valve.

[0007] A further improvement is made in that: the clamp includes a first vertical rod, a mounting plate, a mounting base, a clamping arm, and a clamping cylinder; the upper end of the first vertical rod is connected to the flipping frame via a first connecting seat, and the lower end of the first vertical rod is connected to the mounting plate via the first connecting seat; the lower end of the mounting plate is provided with an upper pressure block, and the side of the mounting plate is connected to the mounting base; one end of the clamping arm is hinged to the mounting base, and the other end of the clamping arm is provided with a lower pressure block adapted to the upper pressure block; the cylinder body of the clamping cylinder is mounted on the mounting base, and the driving end of the clamping cylinder is connected to the clamping arm for driving the clamping arm to rotate.

[0008] A further improvement is that the flipping frame is also provided with several pick-up guides adapted to the workpiece.

[0009] A further improvement is that the part-retrieving guide includes a guide plate, the lower end of which is inclined outward to form an inclined plate portion, and the upper end of which is connected to the flipping frame via a second connecting seat.

[0010] A further improvement is that it also includes a second vertical rod, the upper end of the guide plate is connected to the lower end of the second vertical rod through a second connecting seat, and the upper end of the second vertical rod is connected to the flipping frame through a second connecting seat.

[0011] A further improvement is that limit blocks are respectively provided at the middle and lower ends of the vertical beam of the lifting device to limit the flipping angle of the flipping frame.

[0012] A further improvement is that the limiting block includes a horizontal plate, one end of which is bent inward to form a bent portion, and the other end of which is bent upward to form a vertical plate portion. The vertical plate portion is provided with several waist holes for connecting the vertical beam of the lifting device, and locking bolts are provided in the waist holes.

[0013] A further improvement is that a handle is also provided on the crossbar connected to the piston rod of the drive cylinder.

[0014] The beneficial effects of this utility model are as follows: 1. This utility model can achieve automatic clamping and 90° rotation, reducing manual intervention. The rotation process can be stopped at any time, improving hoisting efficiency and safety.

[0015] 2. This utility model realizes the automated integrated operation of white body hoisting and flipping, improves production efficiency, reduces labor intensity and safety risks, has a compact structure, and is suitable for various body models. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of the flip-up unloading device in an embodiment of this utility model; Figure 2 This is a schematic diagram of the fixture in an embodiment of the present utility model; Figure 3 This is a schematic diagram of the part-removal guide structure in an embodiment of this utility model; Figure 4 This is a schematic diagram of the limiting block in an embodiment of the present invention.

[0017] Figure label: 1- Lifting beam; 11- Lifting lug; 12- Lifting chain; 13- Control valve; 2-Lifting device vertical beam; 21-Spindle; 22-Rotating bearing; 23-Operating button; 3-Flip-over frame; 31-Horizontal bar; 32-Vertical bar; 33-Handle; 4-Drive cylinder; 41-First support; 42-Second support; 5-Clamp; 51-First vertical rod; 52-First connecting seat; 53-Mounting plate; 54-Upper pressure block; 55-Mounting seat; 56-Clamping cylinder; 57-Clamping arm; 58-Lower pressure block; 6-Part picking guide; 61-Guide plate; 62-Sloping plate; 63-Second connecting seat; 64-Second vertical rod; 7-Limiting block; 71-Horizontal plate; 72-Bending part; 73-Vertical plate part; 74-Waist hole; 75-Locking bolt. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.

[0019] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.

[0021] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0022] See Figure 1As shown, this utility model embodiment provides a flip-up lifting device, including a lifting beam 1, with lifting vertical beams 2 at both ends of the beam 1, and also includes a flipping frame 3, a drive cylinder 4, and several clamps 5. The flipping frame 3 includes two horizontal bars 31, and several vertical bars 32 are connected between the two horizontal bars 31. The lower end of the lifting vertical beam 2 is hinged to the middle of the adjacent vertical bar 32 through a rotating shaft 21 and a rotating bearing 22. The cylinder body of the drive cylinder 4 is hinged to the lifting beam 1 through a first support 41, and the piston rod of the drive cylinder 4 is hinged to one of the horizontal bars 31 through a second support 42. Each clamp 5 is connected to the flipping frame 3 and is used to clamp the workpiece. Specifically, the lifting beam 1 is provided with lifting lugs 11 for connecting the lifting chain 12. A control valve 13 is installed on the crossbeam 1 of the lifting device, and a check valve is installed on the cylinder body of the drive cylinder 4. An operation button 23 is installed on one of the vertical beams 2 of the lifting device. The operation button 23 forms a control circuit through the air pipe, the control valve 13, and the check valve. A handle 33 is also installed on the crossbar 31 connected to the piston rod of the drive cylinder 4.

[0023] See Figure 2 As shown, the clamp 5 includes a first vertical rod 51, a mounting plate 53, a mounting base 55, a clamping arm 57, and a clamping cylinder 56. The upper end of the first vertical rod 51 is connected to the flipping frame 3 through a first connecting seat 52, and the lower end of the first vertical rod 51 is connected to the mounting plate 53 through the first connecting seat 52. An upper pressure block 54 is provided at the lower end of the mounting plate 53, and the side of the mounting plate 53 is connected to the mounting base 55. One end of the clamping arm 57 is hinged to the mounting base 55, and the other end of the clamping arm 57 is provided with a lower pressure block 58 that is adapted to the upper pressure block 54. The cylinder body of the clamping cylinder 56 is mounted on the mounting base 55, and the driving end of the clamping cylinder 56 is connected to the clamping arm 57 for driving the clamping arm 57 to rotate.

[0024] See Figure 3 As shown, the flipping frame 3 is also provided with several workpiece pick-up guides 6 adapted to the workpiece. Specifically, the workpiece pick-up guides 6 include guide plates 61, the lower end of which is inclined outward to form a sloping plate portion 62, and the upper end of the guide plates 61 is connected to the flipping frame 3 via a second connecting seat 63. It also includes a second vertical rod 64, the upper end of which is connected to the lower end of the second vertical rod 64 via the second connecting seat 63, and the upper end of the second vertical rod 64 is connected to the flipping frame 3 via the second connecting seat 63.

[0025] See Figure 4 As shown, limit blocks 7 are respectively provided at the middle and lower ends of the lifting beam 2 to limit the flipping angle of the flipping frame 3. Specifically, the limit block 7 includes a horizontal plate 71, one end of which is bent inward to form a bent part 72, and the other end of which is bent upward to form a vertical plate part 73. The vertical plate part 73 is provided with a plurality of waist holes 74 for connecting the lifting beam 2, and locking bolts 75 are provided in the waist holes 74.

[0026] The working principle of this utility model is as follows: The worker controls the lifting device to move to the pick-up position, uses the pick-up guide on the flip frame to bring the lifting device and the workpiece together, and uses control buttons to control the movement of the clamping cylinder to clamp the workpiece.

[0027] After the worker removes the workpiece from the fixture, they move it to a safe area and use the control button to control the retraction of the drive cylinder rod. The tilting frame begins to rotate around the rotating bearing and continues until it stops at the position where the limit block mechanically locks. If an emergency occurs during the process, the worker can release the control button at any time, and the tilting frame can be stopped at any time through the control circuit of the check valve, thus protecting the safety of the operator.

[0028] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0029] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions based on this utility model using techniques known in the art all fall within the protection scope of this utility model and should be defined by the claims.

Claims

1. A reversible lifting device for unloading lines, comprising a lifting device crossbeam (1), wherein vertical lifting devices (2) are respectively provided at both ends of the lifting device crossbeam (1), characterized in that: It also includes a tilting frame (3), a drive cylinder (4), and several clamps (5); The flipping frame (3) includes two horizontal bars (31), and several vertical bars (32) are connected between the two horizontal bars (31). The lower end of the lifting beam (2) is hinged to the middle of the adjacent longitudinal bar (32) via a pivot (21) and a rotating bearing (22); The cylinder body of the drive cylinder (4) is hinged to the lifting beam (1) via the first support (41), and the piston rod of the drive cylinder (4) is hinged to one of the crossbars (31) via the second support (42). Each clamp (5) is connected to the flipping frame (3) to hold the workpiece.

2. The reversible unloading hoist according to claim 1, characterized in that: The lifting beam (1) is provided with lifting lugs (11) for connecting the lifting chain (12).

3. The reversible unloading hoist according to claim 1, characterized in that: A control valve (13) is provided on the crossbeam (1) of the lifting device, and a check valve is provided on the cylinder body of the driving cylinder (4). An operation button (23) is provided on one of the vertical beams (2) of the lifting device. The operation button (23) forms a control circuit through the air pipe, the control valve (13) and the check valve.

4. The reversible unloading hoist according to claim 1, characterized in that: The clamp (5) includes a first vertical rod (51), a mounting plate (53), a mounting base (55), a clamping arm (57), and a clamping cylinder (56); the upper end of the first vertical rod (51) is connected to the flipping frame (3) through a first connecting seat (52), and the lower end of the first vertical rod (51) is connected to the mounting plate (53) through the first connecting seat (52); the lower end of the mounting plate (53) is provided with an upper pressure block (54), and the side of the mounting plate (53) is connected to the mounting base (55); one end of the clamping arm (57) is hinged to the mounting base (55), and the other end of the clamping arm (57) is provided with a lower pressure block (58) that is adapted to the upper pressure block (54); the cylinder body of the clamping cylinder (56) is mounted on the mounting base (55), and the driving end of the clamping cylinder (56) is connected to the clamping arm (57) for driving the clamping arm (57) to rotate.

5. The reversible unloading hoist according to claim 1, characterized in that: The flipping frame (3) is also provided with several pick-up guides (6) adapted to the workpiece.

6. The reversible unloading hoist according to claim 5, characterized in that: The pick-up guide (6) includes a guide plate (61), the lower end of which is inclined outward to form an inclined plate (62), and the upper end of the guide plate (61) is connected to the flipping frame (3) through a second connecting seat (63).

7. The reversible unloading hoist according to claim 6, characterized in that: It also includes a second vertical rod (64), the upper end of the guide plate (61) is connected to the lower end of the second vertical rod (64) through a second connecting seat (63), and the upper end of the second vertical rod (64) is connected to the flipping frame (3) through a second connecting seat (63).

8. The reversible unloading hoist according to claim 1, characterized in that: Limiting blocks (7) are respectively provided at the middle and lower ends of the lifting beam (2) to limit the flipping angle of the flipping frame (3).

9. The reversible unloading hoist according to claim 8, characterized in that: The limiting block (7) includes a horizontal plate (71), one end of which is bent inward to form a bent part (72), and the other end of which is bent upward to form a vertical plate part (73). The vertical plate part (73) is provided with a plurality of waist holes (74) for connecting the vertical beam (2) of the lifting device, and locking bolts (75) are provided in the waist holes (74).

10. The reversible unloading hoist according to claim 1, characterized in that: A handle (33) is also provided on the crossbar (31) connected to the piston rod of the drive cylinder (4).

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