Transmission shaft packaging device and packaging method

Abstract

The present invention relates to a packaging device for a transmission shaft and a packaging method thereof, wherein the packaging device comprises a base frame, an angle frame, a folding frame, a supporting foot and a plurality of groups of lining components; the angle frames protrude from the base frame; each folding frame is rotatably connected to two angle frames respectively, so that the folding frame can be folded on the base frame and can stand upright on the base frame; the supporting foot is correspondingly arranged directly below the angle frame; the bottom surface of the supporting foot is concavely provided with a receiving groove, which can accommodate the top of the angle frame of another packaging device; a plurality of groups of lining components can be arranged on the base frame at intervals to be used for jointly setting up the transmission shaft. A receiving space is formed between the folding frame in an upright state and the base frame, and a plurality of groups of lining components are arranged in the receiving space to jointly set up the transmission shaft. During return transportation, the folding frame is in a folded state, and a plurality of packaging devices are stacked up and down, and the angle frames are accommodated in the receiving groove of the supporting foot of another packaging device, thereby reducing the occupied space of the packaging device.

Description

Technical Field

[0001] The present invention relates to the technical field of special-purpose vehicles, and in particular to a packaging device and a packaging method for a transmission shaft. Background Art

[0002] The drive shaft is an important part in the automobile transmission system. It has high assembly accuracy and processing progress, and has high requirements for its packaging and protection during transportation. Therefore, special packaging devices are required for the transportation packaging of the drive shaft.

[0003] In the existing transmission shaft transportation packaging device, the return cost of a single product packaging device is very high, and when multiple packaging devices are returned, they are folded higher and occupy a larger space, so the loading rate is low, resulting in higher transportation costs. Summary of the invention

[0004] The object of the present invention is to provide a packaging device for a transmission shaft, so as to optimize the structure of the packaging device for the transmission shaft in the prior art and effectively reduce the occupied space of the packaging device during return transportation.

[0005] Another object of the present invention is to provide a packaging method for a transmission shaft packaging device to optimize the structure of the transmission shaft packaging device in the prior art and improve the packaging quality and transportation quality of the transmission shaft.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] According to one aspect of the present invention, there is provided a packaging device for a transmission shaft, which comprises: a base frame; a plurality of corner frames, which protrude upward from the base frame and are arranged at intervals along the circumference of the base frame; a plurality of folding frames, which are arranged above the base frame, and the two ends of the bottom of each of the folding frames are respectively rotatably connected with the two corner frames, so that the folding frames can be rotated inwardly to be folded on the top surface of the base frame, and can be rotated outwardly to be erected on the base frame; a plurality of supporting feet, which are arranged on the bottom surface of the base frame and are arranged one by one directly below the corner frames; the bottom surfaces of the supporting feet are recessed with receiving grooves, and the receiving grooves can accommodate the top ends of the corner frames of another packaging device; and a plurality of groups of lining components, which are detachably arranged on the base frame; when the folding frames are erected on the base frame, the plurality of groups of lining components can be arranged at intervals on the base frame for jointly mounting the transmission shaft.

[0008] According to some embodiments of the present application, the lining assembly includes a plurality of lining blocks stacked up and down in sequence; any two adjacent lining blocks are respectively a lower lining block and an upper lining block, the top surface of the lower lining block is recessed with a plurality of first limiting grooves arranged at intervals, and the bottom surface of the upper lining block is recessed with a plurality of second limiting grooves corresponding to the first limiting grooves one by one; the first limiting grooves and the second limiting grooves can clamp the transmission shaft up and down.

[0009] According to some embodiments of the present application, the first limiting groove and the second limiting groove are both minor arc type grooves.

[0010] According to some embodiments of the present application, between any two adjacent lining blocks, the top surface of the lower lining block and the bottom surface of the upper lining block, one is convexly provided with a vertically extending protrusion, and the other is concavely provided with a groove engaged with the protrusion; the protrusion is inserted into the groove and can move up and down relatively along the groove to adjust the distance between the two adjacent lining blocks.

[0011] According to some embodiments of the present application, between any two adjacent lining blocks, two protrusions are provided, and are respectively disposed at two opposite ends of the top surface of the lower lining block or the bottom surface of the upper lining block.

[0012] According to some embodiments of the present application, the lining assembly includes a bottom support plate; the multiple lining blocks are stacked up and down in sequence on the bottom support plate; the bottom support plate is detachably mounted on the top surface of the base frame and can slide on the top surface of the base frame to adjust the spacing between multiple groups of lining assemblies.

[0013] According to some embodiments of the present application, the lining assembly includes a top cover plate; the top cover plate is arranged on the top of the plurality of stacked lining blocks, and a positioning piece is provided on the top surface of the top cover plate, and a positioning groove for positioning the packing tape is recessed on the top surface of the positioning piece.

[0014] According to some embodiments of the present application, the folding frame includes two parallel and spaced columns and a connecting structure arranged between the two columns; the bottom ends of the columns are hinged to the corner frames; when the folding frame is erected on the base frame, the two columns are spaced apart on the same side edge of the base frame.

[0015] According to some embodiments of the present application, the corner frame includes two side panels connected at an angle and a baffle; the two side panels are respectively fitted and fixed to two outer side surfaces adjacent to the base frame; the baffle is erected on the upper surface of the base frame, the baffle is connected and fixed to one of the side panels, and is relatively spaced from the other side panel; the baffle, the two side panels and the base frame define a limiting cavity with a side opening; the bottom end of the column is rotatably connected to the baffle or the side panel opposite to the baffle; when the folding frame is erected on the base frame, the column is accommodated in the limiting cavity.

[0016] According to some embodiments of the present application, the baffle plate and the side plate opposite thereto are provided with opposite through holes, and the through holes exceed the top surface of the base frame;

[0017] The bottom end of the column is rotatably connected to the corner bracket via a rotating shaft member passing through the through hole.

[0018] According to some embodiments of the present application, the through hole is a long hole and extends vertically; the transmission shaft can move up and down along the through hole; the top of the baffle or the side plate opposite to the baffle is recessed with a first fixing groove; the side wall of the column is provided with a positioning block that cooperates with the first fixing groove; when the folding frame is erected on the base frame, the positioning block is embedded in the first fixing groove.

[0019] According to some embodiments of the present application, the corner bracket also includes a reinforcing plate; the reinforcing plate is attached to and covered on the outer walls of the two side panels and the top of the baffle, and the reinforcing plate is provided with a second fixing groove which is consistent with the shape and position of the first fixing groove.

[0020] According to some embodiments of the present application, the receiving groove gradually expands from top to bottom.

[0021] According to some embodiments of the present application, the outer contour of the base frame is rectangular; there are four corner frames, which are arranged one by one at the four corners of the base frame; there are two folding frames, which are arranged on opposite sides of the base frame.

[0022] According to some embodiments of the present application, two support frames are protruding downward from the bottom of the base frame; the two support frames are arranged at two opposite side edges of the base frame.

[0023] According to another aspect of the present invention, the present invention also provides a packaging method for a transmission shaft packaging device, characterized in that the method comprises:

[0024] The folding frames are erected on the bottom frame, so that a receiving space is formed between the erected folding frames and the bottom frame;

[0025] Arrange multiple groups of the lining components at intervals on the base frame, and install the transmission shafts on the lining components one by one;

[0026] Using a packing tape to circumferentially pack and fix each group of the liner components;

[0027] A bag set is arranged on the folding frame in an upright state to encapsulate the top and surrounding sides of the receiving space;

[0028] A wrapping film is used to wrap and fix the peripheral side wall of the bag cover along the circumferential direction of the folding frame in an upright state.

[0029] It can be seen from the above technical solutions that the embodiments of the present invention have at least the following advantages and positive effects:

[0030] In the packaging device for the transmission shaft of the embodiment of the present invention, the folding frame and the corner frame are hingedly matched so that the folding frame has a folded state folded on the top surface of the base frame and an upright state erected on the base frame. A receiving space can be formed between the folding frame in the upright state and the base frame. Multiple groups of lining components are arranged in the receiving space and arranged on the base frame at intervals to jointly set up the transmission shaft, so as to package, fix and transport the transmission shaft. At the same time, when returning, the folding frame can be in a folded state, and multiple packaging devices can be stacked up and down. When multiple packaging devices are stacked, the corner frames can be used to be received in the receiving grooves of the supporting feet of another packaging device, and they can be abutted against each other to facilitate stacking and fixing of the multiple packaging devices, reduce the occupied space of the packaging devices, and improve the stacking stability between the multiple packaging devices, thereby effectively reducing the return transportation cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic structural diagram of a packaging device according to an embodiment of the present invention.

[0032] Figure 2 yes Figure 1 Front view of .

[0033] Figure 3 yes Figure 1 A schematic diagram of the structure of the packaging device in which a part of the folding frame is folded on the base frame after the liner assembly is disassembled.

[0034] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of area A in the middle.

[0035] Figure 5 yes Figure 4 Schematic diagram of the decomposition structure.

[0036] Figure 6 yes Figure 3 Schematic diagram of the enlarged structure of area B in the middle.

[0037] Figure 7 yes Figure 6 Center section view.

[0038] Figure 8 It is a schematic structural diagram of multiple groups of packaging devices stacked on each other according to an embodiment of the present invention.

[0039] Fig. 9 yes Figure 8 Schematic diagram of the enlarged structure of the C area in the middle.

[0040] Fig.10 yes Figure 1 Schematic diagram of the exploded structure of the liner assembly.

[0041] Fig.11 It is a schematic structural diagram of a liner assembly in one embodiment of the present invention, which clamps transmission shafts of different sizes.

[0042] Fig.12 yes Fig.11 Front view of .

[0043] Fig.13 yes Fig.12 Schematic diagram of the enlarged structure of the D area in the middle.

[0044] Fig.14 yes Fig.12 Schematic diagram of the enlarged structure of area E in the middle.

[0045] The following are the descriptions of the reference numerals:

[0046] 1. Base frame; 10. Accommodation space; 11. Support frame; 111. Window; 2. Corner frame; 21. First side panel; 22. Second side panel; 23. Baffle; 24. Reinforcement plate; 200. Limiting cavity; 201. Through hole; 202. First fixing groove; 203. Second fixing groove; 3. Folding frame; 31. Post; 32. Cross bar; 33. Reinforcement bar; 311. Perforation; 312. Positioning block; 4. Support foot; 41. Accommodation groove; 5. Lining assembly; 51. Bottom support plate; 52. Lining block; 53. Top cover plate; 511. Flanged portion; 512. Limiting plate; 521. First limiting groove; 522. Second limiting groove; 523. Protrusion; 524. Groove; 531. Clamp; 532. Positioning piece. DETAILED DESCRIPTION

[0047] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially used for illustration purposes rather than for limiting the present invention.

[0048] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0050] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0051] See also Figure 1 and Figure 2 The embodiment of the present invention provides a transmission shaft packaging device, which can be mainly used for packaging and transporting precision instruments such as automobile transmission shafts. The packaging device includes a base frame 1, a plurality of corner frames 2, a plurality of folding frames 3, a plurality of support legs 4 and a plurality of lining components 5.

[0052] The base frame 1 is a frame structure, and its top has a relatively flat top surface, so that the folding frame 3 can be folded easily, and it is also convenient to arrange and arrange multiple groups of lining components 5 on the top surface of the base frame 1.

[0053] The bottom of the base frame 1 is provided with a plurality of support frames 11 arranged at intervals. The support frames 11 are used to be supported on the ground or a work surface. At the same time, fork grooves can be formed between the plurality of support frames 11 for forklifts to extend therein, so as to realize the lifting, movement and transportation of the packaging device as a whole.

[0054] Specifically, Figure 1As shown, the outer contour of the chassis 1 is rectangular, and two support frames 11 are provided at the bottom of the chassis 1, and are respectively arranged at two pairs of side edges of the chassis 1. The support frame 11 is a frame body, and a window 111 is provided on it, and the window 111 can be used for the strapping belt to pass through, and the fork of the forklift can also be inserted.

[0055] The corner brackets 2 protrude upward from the top surface of the base frame 1 and are arranged at intervals along the circumference of the base frame 1. The corner brackets 2 are arranged in groups of two to be used for rotationally connecting the two ends of the bottom of the folding frame 3.

[0056] The folding frame 3 is arranged above the bottom frame 1. Among the multiple folding frames 3, the two ends of the bottom of each folding frame 3 are respectively rotatably connected with the two corner frames 2, so that the folding frame 3 can be rotated inward to be folded on the top surface of the bottom frame 1, so that the folding frame 3 is in a folded state, reducing the overall volume of the packaging device.

[0057] At the same time, the folding frame 3 is correspondingly connected to the corner frame 2, so that the folding frame 3 can be rotated outward to stand upright on the base frame 1, and then a receiving space 10 can be formed between the multiple folding frames 3 and the base frame 1, so that multiple groups of lining components 5 are arranged on the base frame 1 at intervals to support and fix the transmission shaft, and the transmission shaft is located in the receiving space 10. During handling and transportation, the transmission shaft can be packaged and protected in the receiving space 10, thereby improving the transportation quality of the transmission shaft.

[0058] See also Figure 3 In this embodiment, four corner frames 2 are provided, and are arranged one by one at the four corners of the base frame 1. Two folding frames 3 are provided, and are arranged on opposite sides of the base frame 1. The two folding frames 3 can rotate toward each other to be folded on the two sides of the bottom surface of the base frame 1. When the two folding frames 3 are erected on the base frame 1, the receiving space 10 is formed between the two folding frames 3 and the base frame 1.

[0059] Still see Figure 3 In this embodiment, the folding frame 3 includes two parallel and spaced columns 31 and a connecting structure disposed between the two columns 31 .

[0060] The bottom end of the column 31 is hinged to the corner frame 2. When the folding frame 3 is erected on the base frame 1, the two columns 31 are spaced apart on the same side edge of the base frame 1. When the folding frame 3 is in the erected state, the top of the column 31 is higher than the top of the corner frame 2. It can be understood that the top height of the column 31, that is, the length of the column 31, can be set accordingly according to the size of the required receiving space 10.

[0061] The connection structure includes a cross bar 32 and a reinforcing bar 33. Both ends of the cross bar 32 are connected to a column 31 respectively. Two reinforcing bars 33 are provided, and are respectively arranged at both ends of the cross bar 32. One end of the reinforcing bar 33 is connected to the column 31, and the other end of the reinforcing bar 33 is connected to the cross bar 32, so as to enhance the connection strength between the cross bar 32 and the two columns 31. It can be understood that the connection structure can also adopt other structures capable of connecting two columns 31.

[0062] See also Figure 4 Combined with Figure 3 Furthermore, in this embodiment, the corner frame 2 includes a first side plate 21, a second side plate 22 and a baffle 23 which are connected at an angle.

[0063] The first side plate 21 and the second side plate 22 are respectively fixed to two adjacent outer side surfaces of the bottom frame 1. In this embodiment, since the outer contour of the bottom frame 1 is rectangular, the angle between the first side plate 21 and the second side plate 22 is usually 90°. It is understandable that when the outer contour of the bottom frame 1 is other polygonal structures, the angle between the first side plate 21 and the second side plate 22 can be changed or fine-tuned.

[0064] The baffle plate 23 is erected on the upper surface of the bottom frame 1. The baffle plate 23 is connected and fixed to the second side plate 22, and is spaced apart from the first side plate 21. The baffle plate 23, the first side plate 21 and the second side plate 22 can adopt an integrally formed bending structure.

[0065] A limiting cavity 200 with a side opening is defined between the baffle 23, the first side plate 21, the second side plate 22 and the bottom frame 1. The bottom end of the column 31 is rotatably connected to the baffle 23 or the first side plate 21 opposite to the baffle 23 to realize the rotatable connection between the column 31 and the corner frame 2. When the folding frame 3 is rotated and erected on the bottom frame 1, the column 31 can be exactly accommodated in the limiting cavity 200.

[0066] Still see Figure 4 Further, in this embodiment, the baffle plate 23 and the first side plate 21 opposite thereto are provided with opposite through holes 201, and the through holes 201 extend beyond the top surface of the bottom frame 1. The bottom end of the column 31 is provided with a through hole 311 opposite to the through hole 201, and the column 31 can be rotatably connected to the corner frame 2 through a rotating shaft member (not shown in the figure) passing through the through hole 201 and the through hole 311. It can be understood that the through hole 201 can be provided only on the baffle plate 23, or only on the first side plate 21 opposite to the baffle plate 23.

[0067] Furthermore, in this embodiment, the through hole 201 is a long hole and extends vertically. The bottom end of the column 31 can move up and down along the through hole 201 along with the transmission shaft. A corresponding first fixing groove 202 is recessed on the baffle 23 and the top of the first side plate 21 opposite to the baffle 23, and a positioning block 312 matched with the first fixing groove 202 is provided on the side wall of the column 31.

[0068] See also Figure 6 and Figure 7 , and combined with Figure 3 When the folding frame 3 rotates and stands upright on the bottom frame 1, the column 31 can move up and down along the limiting cavity 200, and the rotating shaft at the bottom of the column 31 can move up and down in the through hole 201 synchronously. When the column 31 moves downward, the positioning block 312 on the column 31 can be downwardly engaged in the first fixing groove 202 to lock the upright state of the column 31, thereby fixing the upright state of the folding frame 3, preventing the folding frame 3 from rotating relative to the corner frame 2 and stabilizing the receiving space 10.

[0069] When the upright state of the column 31 needs to be unlocked, the column 31 can be pulled up first to disengage the positioning block 312 from the first fixing groove 202, and then the column 31 can be rotated and folded onto the bottom frame 1. During the rotation of the column 31, the rotating shaft at the bottom end of the column 31 can simultaneously move downward along the through hole 201, so that the column 31 and the folding frame 3 are attached to the top surface of the bottom frame 1.

[0070] It is understandable that the corner stand 2 can also fix the upright state of the folding frame 3 by forming an interference fit between the limiting cavity 200 and the column 31.

[0071] See also Figures 3 to 5 Furthermore, in this embodiment, the corner bracket 2 also includes a reinforcing plate 24.

[0072] The reinforcing plate 24 is an integrally formed bent plate, which is attached to and covered on the outer walls of the two side plates and the top of the baffle plate 23. The reinforcing plate 24 is provided with a second fixing groove 203 having the same shape and position as the first fixing groove 202. The reinforcing plate 24 is used to enhance the structural strength of the top of the corner frame 2, and the first fixing groove 202 and the second fixing groove 203 are used to limit and fix the positioning block 312 on the column 31, thereby enhancing the structural strength of the folding frame 3 in the upright state.

[0073] See also Figures 3 to 7 The supporting feet 4 are arranged on the bottom surface of the base frame 1, and each supporting foot 4 is arranged one by one directly below the corner frame 2. The supporting feet 4 can be integrally formed with the base frame 1, or can be detachably arranged on the base frame 1.

[0074] A receiving groove 41 is recessed on the bottom surface of the supporting foot 4, and the shape of the receiving groove 41 is adapted to the top of the corner bracket 2, and the size of the receiving groove 41 is larger than the size of the top of the corner bracket 2, so that the receiving groove 41 can accommodate the top of the corner bracket 2 of another packaging device.

[0075] Please refer to Figure 8 and Fig. 9 , and combined with Figure 7 When the packaging device is returned empty, the folding frame 3 can be folded, and multiple packaging devices can be stacked up and down. When multiple packaging devices are stacked, the top of the corner frame 2 of the packaging device located at the bottom can be received in the receiving groove 41 of the corresponding support foot 4 of the packaging device located at the top, and they can abut against each other, so that the packaging device located at the top can be stably clamped on the packaging device located at the bottom, so as to stack and fix multiple packaging devices, reduce the overall occupied space of multiple groups of packaging devices, and stack more layers of packaging devices in the same carrying space, for example, 11 layers of packaging devices can be stacked in a space with a height of 2.5 meters. At the same time, the stacking stability between multiple packaging devices is improved, thereby effectively improving the transportation volume, transportation efficiency and transportation quality, and reducing the return transportation cost.

[0076] See also Figure 7 Furthermore, in this embodiment, the receiving groove 41 is gradually expanded from top to bottom, so that the top of the corner bracket 2 can be received in the receiving groove 41 of the other supporting leg 4.

[0077] See also Figures 10 to 12 , multiple groups of lining components 5 are detachably arranged on the base frame 1, and when the folding frame 3 is erected on the base frame 1, multiple groups of lining components 5 can be arranged on the base frame 1 at intervals to be used for jointly erecting the transmission shaft.

[0078] The lining assembly 5 includes a bottom support plate 51 , a plurality of lining blocks 52 stacked one above the other on the bottom support plate 51 , and a top cover plate 53 attached to the top of the uppermost lining block 52 .

[0079] The bottom support plate 51 is detachably mounted on the top surface of the base frame 1 , and can slide on the top surface of the base frame 1 to adjust the spacing between the multiple groups of lining components 5 .

[0080] See also Fig.10 Combined with Figure 1, both ends of the bottom support plate 51 are bent downward to form flanged portions 511. The two flanged portions 511 of the bottom support plate 51 are respectively attached to two opposite side walls of the bottom frame 1, so that the bottom support plate 51 is mounted and limited on the top surface of the bottom frame 1, and can move along the side edge of the bottom frame 1. When the bottom support plates 51 of multiple groups of lining assemblies 5 are arranged on the top surface of the bottom frame 1, the spacing between each group of lining assemblies 5 can be adjusted along the side edge of the bottom frame 1 to mount transmission shafts of different models or sizes.

[0081] See also Fig.10 and Fig.11 Two parallel and spaced limiting plates 512 extending upward are convexly disposed on the top surface of the bottom support plate 51. A stacking groove is defined between the two limiting plates 512 for the inner liner block 52 to be stacked up and down in the stacking groove.

[0082] See also Fig.10 and Fig.11 Among the multiple liner blocks 52 stacked up and down, any two adjacent liner blocks 52 are defined as a lower liner block 52 and an upper liner block 52, respectively. A plurality of first limiting grooves 521 arranged at intervals are recessed on the top surface of the lower liner block 52, and a plurality of second limiting grooves 522 corresponding to the first limiting grooves 521 are recessed on the bottom surface of the upper liner block 52. The first limiting grooves 521 and the second limiting grooves 522 can clamp the transmission shaft up and down, such as Fig.11 Any two adjacent liner blocks 52 can clamp and fix multiple transmission shafts, and as the number of layers of the liner blocks 52 stacked up and down increases, the number of transmission shafts that can be clamped and fixed increases successively.

[0083] See also Figures 11 to 14 The first limiting groove 521 and the second limiting groove 522 are both inferior arc grooves. The inferior arc-shaped first limiting groove 521 and the second limiting groove 522 can clamp transmission shafts of different diameters.

[0084] When used to clamp a transmission shaft with a larger size, there is a gap between the first limiting groove 521 and the second limiting groove 522. When the bottom surfaces of the first limiting groove 521 and the second limiting groove 522 are completely in contact with the peripheral wall of the transmission shaft, the first limiting groove 521 and the second limiting groove 522 can clamp the transmission shaft with the maximum diameter, such as Fig.13 As the size of the transmission shaft decreases, the interval between the first limiting groove 521 and the second limiting groove 522 gradually decreases. When the lower inner liner block 52 and the upper inner liner block 52 abut against each other and the first limiting groove 521 and the second limiting groove 522 are closed together, the transmission shaft with the minimum diameter that can be clamped by the first limiting groove 521 and the second limiting groove 522 is as shown in FIG. Fig.14 It should be noted that between two adjacent liner blocks 52, multiple transmission shafts of the same size are clamped. Between the liner blocks 52 of different layers, transmission shafts of different sizes can be clamped, such as Fig.11 shown.

[0085] It is understandable that the first limiting groove 521 and the second limiting groove 522 may also be semicircular grooves 524 .

[0086] See also Fig.10 and Fig.11 Between any two adjacent liner blocks 52 , a vertically extending protrusion 523 is convexly provided on the top surface of the lower liner block 52 , and a groove 524 is concavely provided on the bottom surface of the upper liner block 52 to fit with the protrusion 523 of the lower liner block 52 .

[0087] There are two protrusions 523 and two grooves 524, which are respectively arranged at two ends of the lower lining block 52 and the upper lining block 52. The first limiting groove 521 and the second limiting groove 522 are respectively arranged between the two protrusions 523 or the two grooves 524.

[0088] The protrusion 523 can be inserted into the groove 524 to improve the stacking efficiency and stacking accuracy between the two adjacent inner liner blocks 52, ensure the accurate alignment of the first limiting groove 521 and the second limiting groove 522, and improve the structural stability between the adjacent inner liner blocks 52. In addition, the protrusion 523 can move up and down relatively along the groove 524 to adjust the distance between the two adjacent inner liner blocks 52, and then adjust the distance between the first limiting groove 521 and the second limiting groove 522 to clamp transmission shafts of different sizes.

[0089] Therefore, by utilizing the cooperation between the protrusions 523 and the grooves 524 between adjacent liner blocks 52, the distance between the first limiting groove 521 and the second limiting groove 522 can be adjusted to clamp drive shafts of different sizes while maintaining the structural stability between the adjacent liner blocks 52.

[0090] It is understandable that the protrusion 523 may also be provided on the bottom surface of the upper liner block 52 , and the groove 524 may be provided on the top surface of the lower liner block 52 .

[0091] Still see Fig.10 and Fig.11 The top cover plate 53 is arranged on the top of the stacked plurality of liner blocks 52 , that is, it is arranged on the top surface of the top liner block 52 .

[0092] One or more clamping plates 531 are respectively protruded downwards on the two side edges of the top cover plate 53. The clamping plates 531 on both sides are respectively clamped on both sides of the uppermost lining block 52 so that the top cover plate 53 is fixedly limited on the top of the lining block 52.

[0093] See also Fig.10 Combined with Figure 1 A positioning member 532 is provided on the top surface of the top cover plate 53, and a positioning groove for positioning the strapping tape is recessed on the top surface of the positioning member 532.

[0094] There are multiple positioning members 532, which are arranged at intervals along the center line of the top cover plate 53. When the lining blocks 52 are stacked one by one and the transmission shaft is clamped between the lining blocks 52, the top cover plate 53 is placed on the top surface of the topmost lining block 52, and then the lining assembly 5 and the transmission shaft are packed and fixed by wrapping the packing tape along the circumference of the lining assembly 5 up and down. The top of the packing tape is limited to the positioning groove of the positioning member 532, and the bottom of the packing tape is passed through and fixed on the bottom frame 1, so that the lining assembly 5 and the transmission shaft are stably fixed on the bottom frame 1.

[0095] Based on the above-mentioned transmission shaft packaging device, an embodiment of the present invention further provides a packaging method for the transmission shaft packaging device. The method comprises:

[0096] The folding frames 3 are erected on the base frame 1 , so that a receiving space 10 is formed between the erected folding frames 3 and the base frame 1 .

[0097] The bottom support plates 51 in the multiple groups of liner assemblies 5 are arranged on the bottom frame 1 at intervals, and the liner blocks 52 are stacked layer by layer on the bottom support plates 51, and the transmission shafts of the same or different models are installed one by one between the adjacent liner blocks 52. Among them, the liner blocks 52 are preferably made of EPP foam material. The liner blocks made of EPP foam material are green and environmentally friendly, can be recycled and reused, and are beneficial to protecting the environment.

[0098] Each group of lining components 5 is circumferentially packed and fixed with a packing tape, which is passed through and fixed on the chassis 1, so that the lining components 5 and the transmission shaft are stably fixed on the chassis 1.

[0099] A bag is used to cover the top and sides of the plurality of folding frames 3 in an upright state to encapsulate the top and sides of the receiving space 10, so that the liner assembly 5 and the transmission shaft can be packed and sealed in the receiving space 10. In this embodiment, two folding frames 3 are provided, so the bag can be a cubic structure with an open bottom.

[0100] The wrapping film is used to wrap and fix the peripheral side wall of the bag cover along the circumference of the folding frame 3 in the upright state, that is, the wrapping film is spirally wrapped around the peripheral side wall of the bag cover to fix it, so that the bag cover is stably mounted on the folding frame 3.

[0101] See also Figure 1As shown, in the packaging method of this embodiment, two folding frames 3 in an upright state cooperate with the bag and the wrapping film, and the folding frames 3 in an upright state can provide a sleeved frame structure for the bag and stabilize the receiving space 10. The bag is used to close the receiving space 10, and the bag is fixed by the wrapping film, thereby closing the top surface and the surrounding side of the receiving space 10 to improve the dustproof effect. The bag can be made of rainproof tarpaulin to prevent the transmission shaft from being wetted by rain during transportation, thereby effectively improving the packaging quality and transportation quality of the transmission shaft.

[0102] Based on the above technical solutions, it can be seen that the embodiments of the present invention have at least the following advantages and positive effects:

[0103] In the transmission shaft packaging device of the embodiment of the present invention, the folding frame 3 and the corner frame 2 are hingedly matched to enable the folding frame 3 to have a folded state folded on the top surface of the base frame 1 and an upright state erected on the base frame 1. A receiving space 10 can be formed between the folding frame 3 in the upright state and the base frame 1, and multiple groups of lining components 5 are arranged in the receiving space 10 and arranged at intervals on the base frame 1 for jointly mounting the transmission shaft, so as to facilitate packaging, fixing and transportation of the transmission shaft.

[0104] At the same time, during return transportation, the folding frame 3 can be in a folded state, and multiple packaging devices can be stacked up and down. When multiple packaging devices are stacked on each other, the corner frame 2 can be accommodated in the receiving groove 41 of the supporting foot 4 of another packaging device, and abut against each other to facilitate stacking and fixing of multiple packaging devices, reduce the space occupied by the packaging devices, and improve the stacking stability between multiple packaging devices, thereby effectively reducing the return transportation cost.

[0105] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A packaging device for a transmission shaft, characterized in that: include: chassis; A plurality of corner brackets protruding upward from the base frame and arranged at intervals along the circumference of the base frame; A plurality of folding frames are arranged above the base frame, and the two ends of the bottom of each folding frame are rotatably connected to the two corner frames respectively, so that the folding frame can be rotated inwardly to be folded on the top surface of the base frame, and can be rotated outwardly to be erected on the base frame; A plurality of supporting legs are arranged on the bottom surface of the base frame and are arranged one by one directly below the corner brackets; a receiving groove is concavely formed on the bottom surface of the supporting legs, and the receiving groove can receive the top end of the corner bracket of another packaging device; and A plurality of sets of lining components are detachably arranged on the base frame; when the folding frame is erected on the base frame, the plurality of sets of lining components can be arranged on the base frame at intervals so as to be used for jointly erecting the transmission shaft; The lining assembly comprises a bottom support plate, a top cover plate and a plurality of lining blocks stacked one above the other; The bottom support plate is detachably mounted on the top surface of the bottom frame, and the plurality of lining blocks are sequentially stacked up and down on the bottom support plate; the bottom support plate can slide on the top surface of the bottom frame to adjust the spacing between the plurality of lining components; Any two adjacent lining blocks are respectively a lower lining block and an upper lining block, a top surface of the lower lining block is concavely provided with a plurality of first limiting grooves arranged at intervals, and a bottom surface of the upper lining block is concavely provided with a plurality of second limiting grooves corresponding to the first limiting grooves one by one; the first limiting grooves and the second limiting grooves can clamp the transmission shaft up and down; The top cover plate is arranged on the top of the stacked plurality of lining blocks; Two parallel and spaced limiting plates extending upward are convexly provided on the top surface of the bottom support plate, and the plurality of lining blocks are stacked up and down in sequence between the two limiting plates; One or more clamping plates are respectively protruded downwards on the two side edges of the top cover plate, and the uppermost lining block is clamped between the clamping plates on the two sides.

2. The transmission shaft packaging device according to claim 1, characterized in that: The first limiting groove and the second limiting groove are both minor arc grooves.

3. The transmission shaft packaging device according to claim 1, characterized in that: Between any two adjacent lining blocks, the top surface of the lower lining block and the bottom surface of the upper lining block are provided with a vertically extending protrusion on one side and a groove engaged with the protrusion on the other side; the protrusion is inserted into the groove and can move up and down relatively along the groove to adjust the distance between the two adjacent lining blocks.

4. The transmission shaft packaging device according to claim 3, characterized in that: Between any two adjacent lining blocks, two protrusions are provided and are respectively arranged at two opposite ends of the top surface of the lower lining block or the bottom surface of the upper lining block.

5. The transmission shaft packaging device according to claim 1, characterized in that: A positioning piece is provided on the top surface of the top cover plate, and a positioning groove for positioning the strapping tape is recessed on the top surface of the positioning piece.

6. The transmission shaft packaging device according to claim 1, characterized in that: The folding frame comprises two parallel and spaced columns and a connecting structure arranged between the two columns; The bottom end of the column is hinged to the corner frame; when the folding frame is erected on the base frame, the two columns are spaced apart on the same side edge of the base frame.

7. The transmission shaft packaging device according to claim 6, characterized in that: The corner stand comprises two side panels connected at an angle and a baffle; The two side panels are respectively fitted and fixed to two adjacent outer side surfaces of the bottom frame; The baffle is erected on the upper surface of the base frame, the baffle is connected and fixed to one of the side plates, and is spaced relatively from the other side plate; The baffle plate, the two side plates and the bottom frame define a limiting cavity having a side opening; The bottom end of the column is rotatably connected to the baffle or the side plate opposite to the baffle; When the folding frame is erected on the base frame, the upright column is received in the limiting cavity.

8. The transmission shaft packaging device according to claim 7, characterized in that: The baffle plate and the side plate opposite thereto are provided with opposite through holes, and the through holes extend beyond the top surface of the base frame; The bottom end of the column is rotatably connected to the corner bracket via a rotating shaft member passing through the through hole.

9. The transmission shaft packaging device according to claim 8, characterized in that: The through hole is a long hole and extends vertically; the transmission shaft can move up and down along the through hole; A first fixing groove is concavely provided on the top of the baffle or the side plate opposite to the baffle; A positioning block matching the first fixing groove is provided on the side wall of the column; When the folding frame is erected on the base frame, the positioning block is embedded in the first fixing groove.

10. The transmission shaft packaging device according to claim 9, characterized in that: The corner bracket also includes a reinforcing plate; the reinforcing plate is attached to and covered on the outer walls of the two side plates and the top of the baffle, and the reinforcing plate is provided with a second fixing groove which is consistent with the shape and position of the first fixing groove.

11. The transmission shaft packaging device according to claim 1, characterized in that: The receiving groove is gradually expanded from top to bottom.

12. The transmission shaft packaging device according to claim 1, characterized in that: The outer contour of the chassis is rectangular; There are four corner brackets, which are arranged at the four corners of the base frame in a one-to-one correspondence; The folding frames are provided with two and are respectively arranged on two opposite sides of the bottom frame.

13. The transmission shaft packaging device according to claim 12, characterized in that: Two support frames are protruding downward from the bottom of the base frame; the two support frames are respectively arranged at two opposite side edges of the base frame.

14. A packaging method for a transmission shaft packaging device according to any one of claims 1 to 13, characterized in that: The method comprises: The folding frames are erected on the bottom frame, so that a receiving space is formed between the erected folding frames and the bottom frame; Arrange multiple groups of the lining components at intervals on the base frame, and install the transmission shafts on the lining components one by one; Using a packing tape to circumferentially pack and fix each group of the liner components; A bag set is arranged on the folding frame in an upright state to encapsulate the top and surrounding sides of the receiving space; A wrapping film is used to wrap and fix the peripheral side wall of the bag cover along the circumferential direction of the folding frame in an upright state.

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