Turnover device

Abstract

The invention provides a turnover device which comprises a mounting plate and a turnover plate, a driving unit is arranged on the mounting plate, the driving unit comprises a rack, and the driving unit can work to enable the rack to move in the length direction of the rack; a bracket is arranged on the mounting plate, and the turnover plate is arranged on the bracket in a manner of rotating around a preset axis; a gear is fixedly arranged on the turnover plate, the axis of the gear coincides with the preset axis, the gear is meshed with the rack, and the turnover device is small in size and low in cost.

Description

Technical Field

[0001] This invention belongs to the field of flipping technology, and specifically relates to a flipping device. Background Technology

[0002] Mechanisms for vertically flipping lightly loaded objects at 90° are susceptible to external disturbances (such as airflow and vibration) during the flipping process due to their small mass and low inertia, and must balance efficiency, accuracy, and cost. Currently, many mechanisms can achieve this, with the main flipping mechanisms including rack and pinion transmission mechanisms, rocker mechanisms, and motor-driven mechanisms, each with significant performance differences.

[0003] The rocker mechanism, based on the principle of a four-bar linkage or crank-rocker, converts the continuous rotation of the motor into rocker oscillation, which drives the tilting platform. It has a simple structure, no complex transmission chain, and low cost; however, it is bulky, requires a large swing space, and is difficult to integrate into compact devices.

[0004] Currently, there is an urgent need for a small-sized and low-cost flipping device. Summary of the Invention

[0005] Therefore, the present invention provides a flipping device that is small in size and low in cost.

[0006] The present invention provides a flipping device, comprising a mounting plate and a flipping plate. A driving unit is provided on the mounting plate, the driving unit including a rack, and the driving unit is capable of moving the rack along its own length direction. A bracket is provided on the mounting plate, and the flipping plate is rotatably mounted on the bracket around a preset axis. A gear is fixedly provided on the flipping plate, the axis of the gear coincides with the preset axis, and the gear meshes with the rack.

[0007] In some embodiments, the drive unit includes a detachable cylinder, the cylinder including a cylinder body and a rod, the cylinder body being fixed to the mounting plate, and the rod being provided with a rack, the length direction of the rack being consistent with the length direction of the cylinder.

[0008] In some embodiments, the bracket includes a bearing housing fixed to the mounting plate, a bearing is disposed inside the bearing housing, a rotating shaft is disposed through the bearing, a connecting member is disposed and fixed on the rotating shaft, and the flip plate is mounted on the connecting member.

[0009] In some embodiments, a connector is provided at each end of the rotating shaft, and a connecting plate is provided on both connectors. The flip plate is detachably mounted on the connecting plate.

[0010] In some embodiments, there are two bearing housings, and the connectors are located on the outer sides of the two bearing housings respectively, and the connectors contact the inner ring of the bearing within the bearing housing.

[0011] In some embodiments, the mounting plate is further provided with a buffer unit. When the flip plate rotates to a preset angle range, the buffer unit buffers the rotation of the mounting plate within the preset angle range. The preset angle range refers to the angle range before the flip plate rotates to the preset angle.

[0012] In some embodiments, the buffer unit includes a hydraulic damper, the hydraulic damper including a buffer head; when the flip plate rotates to a preset angle range, the buffer head contacts and squeezes the buffer head.

[0013] In some embodiments, the buffer unit further includes an elastic element disposed on the gear and / or rack, the elastic element being located between two adjacent teeth, such that when the flip plate is flipped to a preset angle, a tooth of one of the gears or the rack contacts the elastic element on the other and puts the elastic element in a compressed state.

[0014] In some embodiments, the size and / or elastic coefficient of the elastic element are adjustable.

[0015] In some embodiments, the elastic element is detachably bonded within the tooth groove.

[0016] This invention achieves the rotation of the flip plate through the cooperation of gears and racks, resulting in a small size, low cost, and ease of promotion, thus improving efficiency. Attached Figure Description

[0017] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. The drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0018] Figure 1 This is a perspective view of the flipping device according to an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram showing the flipping plate of the flipping device according to an embodiment of the present invention in both a horizontal and a vertical position;

[0020] Figure 3 This is a schematic diagram of the mounting plate according to an embodiment of the present invention;

[0021] Figure 4 This is a schematic diagram of the flip plate according to an embodiment of the present invention;

[0022] Figure 5 This is a schematic diagram of the bracket according to an embodiment of the present invention;

[0023] Figure 6 This is a schematic diagram showing the cylinder, rack, gear, hydraulic damper, bracket and connecting plate assembled together according to an embodiment of the present invention;

[0024] Figure 7 This is a schematic diagram of the gear and rack meshing together when an elastic element is provided on the rack according to an embodiment of the present invention.

[0025] The attached figures are labeled as follows:

[0026] 1. Rack; 2. Gear; 3. Bracket; 4. Cylinder; 5. Bearing housing; 6. Connector; 7. Connecting plate; 8. Flip plate; 9. Mounting plate; 10. Hydraulic buffer; 11. Buffer head; 12. Elastic element; 13. Shaft; 14. Support frame. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms 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, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0029] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0030] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore should not be construed as limiting the scope of protection of this invention.

[0031] Mechanisms for vertically flipping lightly loaded objects at 90° are susceptible to external disturbances (such as airflow and vibration) during the flipping process due to their small mass and low inertia, and must balance efficiency, accuracy, and cost. Currently, many mechanisms can achieve this, with the main flipping mechanisms including rack and pinion transmission mechanisms, rocker mechanisms, and motor-driven mechanisms, each with significant performance differences.

[0032] The rocker mechanism, based on the principle of a four-bar linkage or crank-rocker, converts the continuous rotation of the motor into the swinging motion of the rocker, which in turn propels the tilting platform. It has a simple structure, no complex transmission chain, and low cost. However, it is bulky, requires a large swing space, and is difficult to integrate into compact devices.

[0033] The motor-driven mechanism directly drives the tilting shaft via a servo motor, achieving closed-loop control through encoder feedback. It boasts the most compact structure and high precision. However, it is costly, as high-precision servo motors and control systems are expensive.

[0034] See also Figure 1-7 As shown in the embodiment of the present invention, the present invention provides a simple, inexpensive, and compact flipping device, including a mounting plate 9 and a flipping plate 8. A driving unit is provided on the mounting plate 9, and the driving unit includes a rack 1. The driving unit is capable of moving the rack 1 along its own length direction. A bracket 3 is provided on the mounting plate 9, and the flipping plate 8 is rotatably mounted on the bracket 3 around a preset axis. A gear 2 is fixedly provided on the flipping plate 8, and the axis of the gear 2 coincides with the preset axis. The gear 2 meshes with the rack 1.

[0035] This application mounts the flip plate 8 on the bracket 3. Simultaneously, through the cooperation of gear 2 and rack 1, the rack 1's movement drives the flip plate 8 to rotate by a preset angle. The structure is simple and compact, occupying little space and having low cost. It is suitable for large-scale use. The cooperation of gear 2 and rack 1 allows for relatively precise control of the rotation angle of the flip plate 8; furthermore, the rotation angle of the flip plate 8 can be well adjusted by the movement distance of rack 1; the greater the movement distance of rack 1, the larger the flip angle, and the smaller the movement distance of rack 1, the smaller the flip angle.

[0036] Preferred, such as Figure 1 , Figure 2 and Figure 6 As shown, the drive unit includes a detachable cylinder 4, which includes a cylinder body and a rod. The cylinder body is fixed on the mounting plate 9, and the rod is provided with a rack 1. The length direction of the rack 1 is consistent with the length direction of the cylinder 4.

[0037] The stroke of the cylinder 4's rod determines the travel distance of the rack 1. Once the cylinder 4 is determined, the travel distance of the rack 1 is also determined. The tilting angle of the tilting plate 8 is directly related to the rotation angle of the gear 2, which in turn is related to the travel distance of the rack 1. Therefore, once the cylinder 4 is determined, the tilting angle of the tilting plate 8 is also determined. The tilting angle of the tilting plate is further improved by using the cylinder 4. Since the cylinder 4 is detachable, the tilting angle of the tilting plate 8 can be adjusted by adjusting the cylinder 4. For example, the tilting plate 8 can be rotated 90°, from a horizontal position to a vertical position.

[0038] Preferred, such as Figure 5 As shown, the bracket 3 includes a bearing seat 5 fixed on the mounting plate 9, a bearing is provided inside the bearing seat 5, a rotating shaft 13 is provided through the bearing, a connecting piece 6 is provided and fixed on the rotating shaft 13, and the flip plate 8 is installed on the connecting piece 6.

[0039] This application sets up a bracket 3, which is mounted on the mounting plate 9 via a bearing seat 5, and the flip plate 8 is mounted on the rotating shaft 13 via a connector 6. This makes the rotation axis of the flip plate 8 known and improves the rotation stability of the flip plate 8.

[0040] The bearing can be a deep groove ball bearing 6004-2Z.

[0041] Furthermore, the bearing housing 5 is mounted on the mounting plate 9 via the support frame 14.

[0042] Preferred, such as Figure 5 As shown, a connector 6 is provided at each end of the rotating shaft 13, and a connecting plate 7 is provided on both connectors 6. The flip plate 8 is detachably mounted on the connecting plate 7.

[0043] By setting two connectors 6, with a connecting plate 7 on the connector and a flip plate 8 on the connecting plate 7, the installation and replacement of the flip plate 8 are facilitated, thereby improving the stability and applicability of the flipping device.

[0044] Preferred, such as Figure 5 As shown, there are two bearing housings 5, and the connecting member 6 is located on the outer side of each of the two bearing housings 5. The connecting member 6 is in contact with the inner ring of the bearing inside the bearing housing 5.

[0045] The stability of the tilting device is provided by setting two bearing seats 5.

[0046] By positioning the two connecting pieces 6 on the outer sides of the two bearing seats 5 and in contact with the inner rings of the bearings, the connecting pieces 6 are fixed in the axial direction of the rotating shaft 13, and rotate with the inner rings of the bearings during rotation; furthermore, the connecting pieces 6 do not contact the outer rings of the bearings. In other words, the connecting pieces 6 clamp the two bearing seats 5 in the middle, and the inner rings of the bearings axially limit the two connecting pieces 6, thereby limiting the tilting plate 8 in the axial direction of the rotating shaft 13 (the axial direction of the rotation axis of the tilting plate 8), improving the rotational stability and mechanical service life of the tilting plate 8, and correspondingly reducing maintenance costs, improving efficiency, and enhancing installation and reliability.

[0047] Preferred, such as Figure 2 As shown, the mounting plate 9 is also provided with a buffer unit. When the flip plate 8 rotates to a preset angle range, the buffer unit buffers the rotation of the mounting plate 9 within the preset angle range. The preset angle range refers to the angle range before the flip plate 8 rotates to the preset angle.

[0048] The buffer unit provides buffering within a preset angle range before the flip plate 8 flips to a preset angle. For example, buffering may begin at the last 5°. To illustrate, when the flip plate 8 needs to be flipped 90° from a horizontal position to a vertical position, the buffer unit can start working to buffer the flip plate 8 when it has rotated 85° from the horizontal position.

[0049] By setting up a buffer unit, the smoothness of the flipping device's operation is improved, and large vibrations are avoided during the transition of the flipping plate 8 from the rotating motion state to the final stopped state.

[0050] Preferred, such as Figure 2 As shown, the buffer unit includes a hydraulic buffer 10, and the hydraulic buffer 10 includes a buffer head 11; when the flip plate 8 rotates to a preset angle range, the buffer head 11 contacts and squeezes the buffer head 11.

[0051] By setting up a hydraulic damper 10, when the tilting plate 8 rotates to its final stage, the tilting plate 8 contacts and presses against the buffer head 11, thus achieving smooth rotation of the tilting device. Considering the interaction of forces, the buffer head 11 of the hydraulic damper 10 acts on the tilting plate 8, the tilting plate 8 acts on the gear 2, and the gear 2 acts on the rack 1, which makes the fit between the gear 2 and the rack 1 tighter. When the tilting plate 8 finally stops rotating, due to inertia, the tilting plate 8 will drive the gear 2 to rotate. Due to the fit clearance between the gear 2 and the rack 1, the gear 2 will rotate relative to the rack 1. That is, the fit clearance between the gear 2 and the rack 1 will cause the tilting plate 8 to vibrate at the end. By setting up the hydraulic damper 10, the tilting plate 8 is directly blocked and buffered, effectively reducing the vibration of the tilting plate 8.

[0052] Figure 2 In the diagram, the dotted line represents the position of the flip plate 8 after it has been flipped, and the buffer head 11 has not yet been squeezed.

[0053] Preferred, such as Figure 7 As shown, Figure 7 The diagram only shows the rack and pinion meshing together, causing the flipping plate to rotate to a preset angle, and the elastic element 12 being compressed. The buffer unit also includes an elastic element 12 disposed on the gear 2 and / or rack 1. The elastic element 12 is located between two adjacent teeth. When the flipping plate 8 flips to the preset angle, a tooth of one of the gears 2 or rack 1 contacts the elastic element 12 on the other, causing the elastic element 12 to be compressed.

[0054] By setting an elastic element 12 in one of the gears 2 and rack 1, when the flipping plate 8 flips to a preset angle, the elastic element 12 on the other gear 1 comes into contact with and is compressed by the teeth of one gear 2 and rack 1, thus damping the drive source. For example, if the elastic element 12 is set on rack 1, rack 1 drives gear 2 to rotate, and gear 2 rotates to drive the flipping plate 8 to rotate. Just before the flipping plate 8 rotates to the preset angle (to explain in terms of angle, for example, if it needs to rotate 90°, when it rotates to 89.5°, the teeth on gear 2 begin to contact and compress the elastic element 12 on rack 1; when it rotates to 90°, the stroke of rack 1 ends, and the elastic element 12 is in a compressed state; it should be noted that the elastic element 12 is located between the meshing and non-meshing points of gear 2 and rack 1), the elastic element 12 begins to be compressed. When the flipping plate 8 rotates to the preset angle, the elastic element 12 is compressed to its maximum deformation, at which point rack 1 stops moving. When the cylinder 4 is working, the piston inside the cylinder 4 will collide and vibrate when the cylinder rod extends or retracts to its limit position. Due to the setting of the elastic element 12, the vibration generated by the cylinder 4 is weakened after being slowed down and absorbed by the elastic element 12. In this way, the setting of the elastic element 12 greatly reduces the impact of the cylinder 4 vibration on the flip plate 8 and improves the stability of the flip plate 8 flipping. The elastic element 12 is essentially positioned between the power source and the tilting plate 8, allowing the vibration generated by the power source to be absorbed by the elastic element 12. Simultaneously, the elastic element 12 improves the tightness of the fit between the gear 2 and the rack 1, thus preventing vibration of the tilting plate 8 due to the clearance between the gear 2 and the rack 1. (When the tilting plate 8 vibrates, it inevitably causes the gear 2 to vibrate around its axis of rotation, resulting in a certain rotation of the gear 2 relative to the rack 1. Without the elastic element 12, the clearance between the gear 2 and the rack 1 provides space for the gear 2 to rotate relative to the rack 1. However, with the elastic element 12, the fit between the gear 2 and the rack 1 is tighter, and the clearance for the gear 2 to rotate relative to the rack 1 is minimal or even nonexistent, effectively reducing the vibration of the tilting plate 8.)

[0055] Furthermore, the elastic element 12 can be made of rubber.

[0056] Preferred, such as Figure 5 As shown, the size and / or elastic coefficient of the elastic element 12 are adjustable.

[0057] By adjusting the size and elastic coefficient of the elastic element 12, the damping performance of different flip plates 8 can be adjusted.

[0058] Preferred, such as Figure 5 As shown, the elastic element 12 is detachably bonded within the tooth groove.

[0059] The elastic element 12 is detachably bonded to the tooth groove. When the rack 1 moves at different distances, the position of the elastic element 12 in different tooth grooves can be adjusted, thereby achieving shock absorption of the rotation of the flip plate 8.

[0060] It will be readily understood by those skilled in the art that, without conflict, the advantageous technical features of the above-mentioned methods can be freely combined and superimposed.

[0061] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention. The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the protection scope of the present invention.

Claims

1. A flipping device, comprising a mounting plate (9) and a flipping plate (8), characterized in that, A drive unit is provided on the mounting plate (9), the drive unit includes a rack (1), and the drive unit can move the rack (1) along its own length direction; a bracket (3) is provided on the mounting plate (9), and the flip plate (8) is rotatably mounted on the bracket (3) around a preset axis; a gear (2) is fixedly provided on the flip plate (8), the axis of the gear (2) coincides with the preset axis, and the gear (2) meshes with the rack (1).

2. The flipping device according to claim 1, characterized in that, The drive unit includes a detachable cylinder (4), which includes a cylinder body and a rod. The cylinder body is fixed on the mounting plate (9), and the rod is provided with a rack (1). The length direction of the rack (1) is consistent with the length direction of the cylinder (4).

3. The flipping device according to claim 1, characterized in that, The bracket (3) includes a bearing seat (5) fixed on the mounting plate (9), a bearing is provided in the bearing seat (5), a rotating shaft (13) is provided through the bearing, a connector (6) is provided and fixed on the rotating shaft (13), and the flip plate (8) is installed on the connector (6).

4. The flipping device according to claim 3, characterized in that, A connector (6) is provided at each end of the rotating shaft (13), and a connecting plate (7) is provided on both connectors (6). The flip plate (8) is detachably provided on the connecting plate (7).

5. The flipping device according to claim 4, characterized in that, There are two bearing housings (5), and the connecting member (6) is located on the outside of the two bearing housings (5) respectively. The connecting member (6) is in contact with the inner ring of the bearing inside the bearing housing (5).

6. The flipping device according to any one of claims 1-5, characterized in that, The mounting plate (9) is also provided with a buffer unit. When the flip plate (8) rotates to a preset angle range, the buffer unit buffers the rotation of the mounting plate (9) within the preset angle range. The preset angle range refers to the angle range before the flip plate (8) rotates to the preset angle.

7. The flipping device according to claim 6, characterized in that, The buffer unit includes a hydraulic buffer (10), and the hydraulic buffer (10) includes a buffer head (11); when the flip plate (8) rotates to a preset angle range, the buffer head (11) contacts and squeezes the buffer head (11).

8. The flipping device according to claim 6, characterized in that, The buffer unit also includes an elastic element (12) disposed on the gear (2) and / or rack (1). The elastic element (12) is located between two adjacent teeth. When the flip plate (8) flips to a preset angle, one tooth of the gear (2) or the rack (1) contacts the elastic element (12) on the other and puts the elastic element (12) in a squeezed state.

9. The flipping device according to claim 8, characterized in that, The size and / or elastic coefficient of the elastic element (12) are adjustable.

10. The flipping device according to claim 9, characterized in that, The elastic element (12) is detachably bonded within the tooth groove.

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