Double-rotation connection circulating conveying device

Abstract

The utility model provides a double-rotation connection circulation conveying device which comprises a conveying line body and a return line body which are arranged on a line body supporting frame in parallel in an up-down back-to-back mode, the conveying line body comprises an upper magnetic drive track with the conveying face facing upwards, and the return line body comprises a synchronous belt conveying track or a lower magnetic drive track with the conveying face facing downwards. The tool trolleys are arranged on the upper magnetic drive track and the synchronous belt transmission track / the lower magnetic drive track in a sliding manner; the two ends of the transmission line body and the two ends of the return line body are connected through a rotary connection mechanism. The double-rotation connection circulating conveying device has the advantages of being compact in space, high in conveying efficiency and controllable in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of magnetic suspension transmission equipment, and specifically relates to a circulating conveying device of double-rotary connection. BACKGROUND

[0002] The traditional magnetic suspension circulating conveying line is usually provided with two layers of line bodies, the upper layer is a conveying layer, and the lower layer is a return layer, and a lifting mechanism is arranged at the two ends of the line body to realize the return of the carrier. This structure has the following problems: 1. Low space utilization: the lifting mechanism needs to occupy additional vertical space, resulting in a large overall volume of the equipment; 2. Low switching efficiency: the mechanical lifting action takes time and is difficult to meet the high-speed production demand; 3. High cost: the existing magnetic suspension driving system is high in cost, and its application in the return layer will cause waste of equipment cost. Therefore, there is an urgent need for a circulating conveying device that is efficient, compact in space, and cost-controllable. SUMMARY

[0003] To solve the problems of the prior art, the purpose of the utility model is to provide a double-rotary connection magnetic suspension circulating conveying device that is compact in space and high in transmission efficiency.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] A circulating conveying device of double-rotary connection, comprising a conveying line body and a return line body installed in parallel and vertically on a line body support frame, the conveying line body comprising an upper magnetic drive track with its conveying surface facing upward, the return line body comprising a lower magnetic drive track with its conveying surface facing downward when the return line body adopts a magnetic suspension driving structure, and the return line comprising a synchronous belt transmission track with its conveying surface facing downward when the return line adopts synchronous belt transmission; the device further comprises one or more tool trolleys that can slide on the upper magnetic drive track and the synchronous belt transmission track / the lower magnetic drive track; the two ends of the conveying line body and the return line body are connected by a rotary connection mechanism.

[0006] Further, the upper magnetic drive track comprises two parallel first guide rails arranged on the left and right sides along the conveying direction and a first horizontal mounting surface arranged between the two first guide rails along the conveying direction, the first mounting surface is provided with a plurality of first coil assemblies arranged along the conveying direction, and the bottom surface of the tool trolley is provided with sliding blocks that slide with the first guide rails and magnetic plates that interact with the first coil assemblies.

[0007] Further, when the return line adopts a magnetic suspension driving structure, the lower magnetic driving track comprises two parallel second guide rails arranged on the left and right sides along the transmission direction and a second horizontal mounting surface arranged between the two second guide rails along the transmission direction, a plurality of second coil assemblies arranged along the transmission direction are arranged on the second horizontal mounting surface, and the tool trolley bottom surface is provided with sliding blocks matched with the second guide rails and a magnetic plate interacting with the second coil assemblies.

[0008] Further, when the return line adopts a synchronous belt transmission, the synchronous belt transmission track comprises two parallel second guide rails arranged on the left and right sides along the transmission direction, the second guide rails are matched with the sliding blocks of the tool trolley; a synchronous belt assembly is arranged between the two second guide rails along the transmission direction, the synchronous belt assembly comprises a driving wheel and a driven wheel arranged at the two ends of the two second guide rails respectively, a synchronous belt is sleeved on the driving wheel and the driven wheel, a magnetic guide element is arranged on the transmission surface of the synchronous belt and is attracted to the magnetic plate of the tool trolley, and the synchronous belt assembly further comprises a driving motor driving the rotation of the driving wheel.

[0009] Further, the magnetic guide element is a magnetic metal wire embedded in the synchronous belt.

[0010] Further, the magnetic metal wire is embedded in the synchronous belt in a spiral or parallel array form.

[0011] Further, the rotating connection mechanism comprises a fixed seat, one side of the fixed seat is fixedly connected with a rotating driving motor, the output shaft end of the rotating driving motor is transmissionally connected with a rotating connection piece, two parallel third guide rails are arranged on the upper end surface of the rotating connection piece along the transmission direction, two parallel fourth guide rails are arranged on the lower end surface of the rotating connection piece along the transmission direction, the third guide rails are connected with the first guide rails or the second guide rails, and the fourth guide rails are connected with the first guide rails or the second guide rails.

[0012] Further, the third coil assembly is arranged between the two third guide rails on the upper end surface of the rotating connection piece and can interact with the magnetic plate of the tool trolley, and the fourth coil assembly is arranged between the two fourth guide rails on the lower end surface of the rotating connection piece and can interact with the magnetic plate of the tool trolley.

[0013] Further, the power supply circuits of the third coil assembly and the fourth coil assembly are independent of the transmission line body and the return line body and are configured to be redundant.

[0014] Beneficial effects:

[0015] 1. The double-rotating connection circulating conveying device, the transmission line body and the return flow line body are installed in parallel on the line body support frame in an up-down direction, the vertical size of the whole circulating conveying device is significantly reduced, and the structure of the whole circulating conveying device is more compact due to the integrated design of the upper and lower line bodies, and the automatic whole line equipment can be embedded more conveniently and quickly.

[0016] 2. The rotating connection mechanism arranged at the two ends of the transmission line body and the return flow line body drives the tool trolley to overturn 180° to realize the connection of the upper and lower line bodies. The design has a short and continuous action path, and the running cycle is significantly shortened compared with the conventional lifting connection mechanism. In addition, the rotating connection mechanism occupies less space than the conventional lifting mechanism, and is more suitable for the needs of compact space.

[0017] 3. The lower return flow line body adopts a synchronous belt transmission form to significantly reduce the manufacturing cost of the whole circulating conveying device under the premise of meeting the transmission function.

[0018] 4. The power supply circuit of the second coil assembly and the third coil assembly is independent of the upper line body, and a redundant power supply is arranged. Independent power supply and redundant power supply can ensure the safety during the connection process and prevent the tool trolley from falling due to sudden power failure. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic view of the whole structure;

[0020] Figure 2 is a sectional view of the transmission line body and the return flow line body;

[0021] Figure 3 is a schematic view of the structure of the upper magnetic drive track;

[0022] Figure 4 is a schematic view of the structure of the synchronous belt transmission track;

[0023] Figure 5 is a schematic view of the structure of the tool trolley;

[0024] Figure 6 is a schematic view of the structure of the rotating connection mechanism.

[0025] Meaning of reference signs in the drawings:

[0026] 11, line body support frame;

[0027] 20, transmission line body, 21, upper line body base, 22, first horizontal mounting surface, 23, first guide rail mounting groove, 24, first guide rail, 25, first coil assembly;

[0028] 30. Return line body; 31. Lower line body base; 32. Second guide rail mounting slot; 33. Second guide rail; 34. Drive motor; 35. Synchronous belt.

[0029] 40. Tooling trolley; 41. Tooling mounting plate; 42. Slider; 43. Magnetic plate mounting base; 44. Magnetic plate.

[0030] 50. Rotary connecting mechanism; 51. Fixed base; 52. Third guide rail; 53. Fourth guide rail; 54. Third coil assembly; 55. Fourth coil assembly; 56. Flip-over connecting piece; 57. Rotary drive motor. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0032] Example 1: As Figure 1 As shown, this embodiment provides a dual-rotating coupling circulating conveyor device. The device includes a transmission line 20 and a return line 30, mounted vertically and parallel to each other on a line support frame 11. The transmission line 20 includes an upper magnetic drive track with the conveying surface facing upwards for high-speed transmission and high-precision positioning. The return line 30 includes a synchronous belt transmission track with the conveying surface facing downwards for returning a hollow carrier or tooling. The line support frame 11 is used to support and fix the transmission line 20 and the return line 30. It also includes one or more... Multiple tooling trolleys 40 are slidably mounted on the upper magnetic drive track and the synchronous belt transmission track. The tooling trolleys 40 are used to carry carriers or tooling. The two ends of the transmission line 20 and the return line 30 are connected by a rotary coupling mechanism 50. One end of the rotary coupling mechanism 50 is used to transfer the tooling trolley 40 on the upper magnetic drive track to the synchronous belt transmission track, and the other end of the rotary coupling mechanism 50 is used to transfer the tooling trolley 40 on the synchronous belt transmission track to the upper magnetic drive track.

[0033] like Figure 2 , Figure 3As shown, the upper magnetic drive track of the transmission line body 20 in the embodiment includes an upper line body base 21, which is in the shape of a concave letter in cross section, including a central downward recess and two side upward protrusions. The bottom surface of the central downward recess is a first horizontal mounting surface 22, and the upper end surfaces of the two side upward protrusions are symmetrically provided with two first guide rail mounting grooves 23 along the longitudinal axis of the upper line body base 21. Two first guide rails 24 are respectively embedded in the first guide rail mounting grooves 23 and fixed by bolts. The two end surfaces of the first guide rails 24 are flush with or protrude from the two side end portions of the upper line body base 21, for facilitating seamless connection of multiple line bodies. A plurality of first coil assemblies 25 are distributed at equal intervals on the first horizontal mounting surface 22 along the transmission direction and fixed between the two first guide rails 24. Further, the first horizontal mounting surface 22 is also provided with a cooling liquid flow channel and a cable groove, which are in communication with the liquid cooling microchannels of the first coil assemblies 25 for circulating heat dissipation.

[0034] As shown, Figure 5 The tool trolley 40 in the embodiment includes a tool mounting plate 41, which is symmetrically provided with two groups of sliding blocks 42 on the two sides of the bottom. The sliding blocks 42 are slidably connected with the first guide rails 24. A magnetic plate mounting base 43 is further arranged between the two groups of sliding blocks 42. A magnetic plate 44 is fixedly connected with the mounting base by bolts. The magnetic plate 44 is a permanent magnetic plate, which is preferably made of neodymium iron boron material. The first coil assemblies 25 and the magnetic plate 44 drive the tool trolley 40 to move on the magnetic drive track by electromagnetic force.

[0035] As shown, Figure 2 , Figure 4 The synchronous belt transmission track of the return line body 30 in the embodiment includes a lower line body base 31, which is equal in length and width to the upper line body base 21. The lower line body base 31 is in the shape of an inverted concave letter in cross section, including a central upward recess and two side downward protrusions. The bottom surface of the central upward recess is a second horizontal mounting surface, and the lower end surfaces of the two side downward protrusions are symmetrically provided with two second guide rail mounting grooves 32 along the longitudinal axis of the lower line body base 31. Two second guide rails 33 are respectively embedded in the second guide rail mounting grooves 32 and fixed by bolts. The second guide rails 33 are slidably connected with the sliding blocks 42 of the tool trolley 40. The two end surfaces of the second guide rails 33 are flush with or protrude from the two side end portions of the lower line body base 31, for facilitating seamless connection of multiple line bodies. The return line body 30 further includes a synchronous belt assembly and a drive motor 34 arranged at one end of the line body base. The synchronous belt assembly includes a driving wheel arranged at the side of the drive motor 34, a driven wheel arranged at the other end of the line body base, and a synchronous belt 35 wound around the driving wheel and the driven wheel. The driving wheel is in transmission connection with the output shaft of the drive motor 34.

[0036] As an embodiment of the present embodiment, the transmission surface of the synchronous belt 35 is embedded with magnetic conductive wires, and the magnetic plate 44 is coupled with the magnetic conductive wires through magnetic attraction force, so that the tool trolley 40 moves synchronously with the synchronous belt 35. Further, the magnetic conductive wires are embedded in the synchronous belt 35 in a spiral or parallel array form, and the spiral or parallel array of the magnetic conductive wires enhances the uniformity of the magnetic attraction, so that the transmission of the tool trolley 40 on the synchronous belt 35 is more stable.

[0037] As shown in Figure 6 The rotating connection mechanism 50 in the present embodiment includes a fixed seat 51, one side of the fixed seat 51 is fixedly connected with a rotating drive motor 57 for driving the tool trolley 40 to overturn, preferably a DD motor commonly used in the market can be adopted, and the output shaft end of the rotating drive motor 57 is drivingly connected with a overturning connection piece 56, the upper end surface of the overturning connection piece 56 is provided with two parallel third guide rails 52 along the conveying direction, the lower end surface of the overturning connection piece 56 is provided with two parallel fourth guide rails 53 along the conveying direction, the third guide rails 52 are connected with the first guide rails 24 or the second guide rails 33, and the fourth guide rails 53 are connected with the first guide rails 24 or the second guide rails 33, so as to realize the sliding in or out of the tool trolley 40.

[0038] Further, the upper end surface of the overturning connection piece 56 is provided with a third coil assembly 54 which can interact with the magnetic plate 44 of the tool trolley 40 between the two third guide rails 52, the third coil assembly 54 drives the tool trolley 40 to drive away or drive into the rotating connection mechanism 50 through electromagnetic force with the magnetic plate 44 of the tool trolley 40; the lower end surface of the overturning connection piece 56 is provided with a fourth coil assembly 55 which can interact with the magnetic plate 44 of the tool trolley 40 between the two fourth guide rails 53, the fourth coil assembly 55 drives the tool trolley 40 to drive away or drive into the rotating connection mechanism 50 through electromagnetic force with the magnetic plate 44 of the tool trolley 40. The power supply circuit of the third coil assembly 54 and the fourth coil assembly 55 is independent of the transmission line body 20 and the return line body 30, and a redundant power supply is configured.

[0039] The action flow of the normal operation process of the double-rotation connection circulating conveying device provided in the embodiment is as follows: the tool trolley 40 carries a tool or carrier that needs to be circulated in the automatic equipment, is transported and positioned through the transmission line body 20, is transported to one end by the transmission line body 20 after the action requirement set by the automatic equipment is completed, is connected by the rotation connection mechanism 50 arranged at the one end, the rotation connection mechanism 50 rotates the tool trolley 40 connected thereto to the lower layer, and then the tool trolley 40 is conveyed into the return flow line body 30 after being connected to one end of the return flow line body 30. The tool trolley 40 in the return flow line body 30 is transmitted to the other end of the return flow line through coupling transmission with the synchronous belt 35, the rotation connection mechanism 50 arranged at the other end is connected to the return flow line body, the rotation connection mechanism 50 rotates the tool trolley 40 connected thereto to the upper layer, and then the tool trolley 40 is connected to the other end of the transmission line body 20, so that the tool trolley 40 is conveyed into the transmission line body 20 again, thereby completing one cycle. The following cycle is to repeat the above action flow.

[0040] In addition, the double-rotation connection circulating conveying device provided in the embodiment needs to be adjusted and installed in coordination with the functional requirements and internal layout of the external automatic equipment in actual use, and is not limited to the posture shown in the embodiment.

[0041] Embodiment 2: The embodiment provides a double-rotation connection circulating conveying device, which comprises a transmission line body and a return flow line body installed in parallel and upward and downward on a line body support frame, the transmission line body comprises an upper magnetic drive track with an upward conveying surface, the return flow line body comprises a lower magnetic drive track with a downward conveying surface, and both are used for high-speed transmission and high-precision positioning, and the line body support frame is used for carrying and fixing the transmission line body and the return flow line body; one or more tool trolleys that can be slid on the upper magnetic drive track and the lower magnetic drive track are further included, and the tool trolley is used for carrying a carrier or a tool; the two ends of the transmission line body and the return flow line body are connected through a rotation connection mechanism, the rotation connection mechanism at one end is used for transferring the tool trolley of the upper magnetic drive track to the lower magnetic drive track, and the rotation connection mechanism at the other end is used for transferring the tool trolley of the lower magnetic drive track to the upper magnetic drive track.

[0042] The transmission line body in the embodiment includes an upper line body base, which is in the shape of a concave letter in cross section and includes a central downward recess and two lateral upward protrusions. The bottom surface of the central downward recess is a first horizontal mounting surface, and the upper end surfaces of the two lateral upward protrusions are symmetrically provided with two first guide rail mounting grooves along the longitudinal axis of the upper line body base. Two first guide rails are respectively embedded in the first guide rail mounting grooves and fixed by bolts. The end surfaces of the first guide rails are flush with or protrude from the two lateral end portions of the upper line body base, so as to facilitate seamless connection of multiple line bodies. The end portions of the first guide rails are provided with chamfered guide surfaces for guiding smooth sliding of a tool trolley. A plurality of first coil assemblies are distributed at equal intervals along the longitudinal direction on the first horizontal mounting surface and fixed between the two first guide rails.

[0043] The return flow line body in the embodiment includes a lower line body base, which is equal in length and width to the upper line body base. The lower line body base is in the shape of an inverted concave letter in cross section and includes a central upward recess and two lateral downward protrusions. The bottom surface of the central upward recess is a second horizontal mounting surface, and the lower end surfaces of the two lateral downward protrusions are symmetrically provided with two second guide rail mounting grooves along the longitudinal axis of the lower line body base. Two second guide rails are respectively embedded in the second guide rail mounting grooves and fixed by bolts. The end surfaces of the second guide rails are flush with or protrude from the two lateral end portions of the lower line body base, so as to facilitate seamless connection of multiple line bodies. The end portions of the second guide rails are provided with chamfered guide surfaces for guiding smooth sliding of a tool trolley. A plurality of second coil assemblies are distributed at equal intervals along the longitudinal direction on the second horizontal mounting surface and fixed between the two second guide rails.

[0044] Further, the first horizontal mounting surface and the second horizontal surface are provided with cooling liquid flow channels and cable grooves. The cooling liquid flow channels of the first horizontal mounting surface are in communication with the liquid cooling microchannels of the first coil assemblies, and the cooling liquid flow channels of the second horizontal mounting surface are in communication with the liquid cooling microchannels of the second coil assemblies.

[0045] The rotating connection mechanism in the embodiment includes a fixed seat, one side of which is fixedly connected with a rotating drive motor for driving the tool trolley to flip. Preferably, a commonly used DD motor on the market can be used. The output shaft end of the rotating drive motor is drivingly connected with a flipping connection piece. Two parallel third guide rails are provided on the upper end surface of the flipping connection piece along the conveying direction. Two parallel fourth guide rails are provided on the lower end surface of the flipping connection piece along the conveying direction. The third guide rails are in butt joint with the first guide rails or the second guide rails, and the fourth guide rails are in butt joint with the first guide rails or the second guide rails, so as to realize sliding in or out of the tool trolley.

[0046] Further, a third coil assembly capable of interacting with the magnetic plate of the tool trolley is arranged on the upper end face of the turnover adapter between the two third guide rails, and the third coil assembly and the magnetic plate of the tool trolley drive the tool trolley to drive away or drive into the rotary adapter mechanism through electromagnetic force; a fourth coil assembly capable of interacting with the magnetic plate of the tool trolley is arranged on the lower end face of the turnover adapter between the two fourth guide rails, and the fourth coil assembly and the magnetic plate of the tool trolley drive the tool trolley to drive away or drive into the rotary adapter mechanism through electromagnetic force. The power supply circuit of the third coil assembly and the fourth coil assembly is independent of the transmission line body and the return line body, and a redundant power supply is configured.

[0047] The transmission line body and the return line body of the double-rotary adapter circulating conveying device provided by the embodiment are both driven by magnetic suspension, and such a structure is suitable for a use scenario in which both two-layer conveyance has precision requirements. In actual use, the double-rotary adapter circulating conveying device provided by the embodiment can adjust the installation posture according to the structural layout of the docking equipment, and is not limited to the described installation posture.

[0048] The present application is described by some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the present application. In addition, under the guidance of the present application, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the present application. Therefore, the present application is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope of protection of the present application.

Claims

1. A dual rotary interface circulating conveyor, characterized by: The transmission line body and the backflow line body are installed on the line body support frame in the up-down direction and in parallel, the transmission line body includes an upper magnetic drive track with an upward conveying surface, and the backflow line body includes a synchronous belt transmission track or a lower magnetic drive track with a downward conveying surface; one or more tool trolleys are slidably arranged on the upper magnetic drive track and the synchronous belt transmission track / lower magnetic drive track; and the transmission line body and the backflow line body are connected through a rotary connection mechanism.

2. The dual rotary articulated conveyor of claim 1, wherein: The upper magnetic drive track includes two parallel first guide rails arranged on the left and right sides in the transmission direction and a first horizontal mounting surface arranged between the two first guide rails in the transmission direction, a plurality of first coil assemblies arranged in the transmission direction are arranged on the first mounting surface, and a magnetic plate that interacts with the first coil assemblies is arranged on the bottom surface of the tool trolley and slidably matches the first guide rails.

3. The dual rotary articulated conveyor of claim 2, wherein: The lower magnetic drive track includes two parallel second guide rails arranged on the left and right sides in the transmission direction and a second horizontal mounting surface arranged between the two second guide rails in the transmission direction, a plurality of second coil assemblies arranged in the transmission direction are arranged on the second horizontal mounting surface, and a magnetic plate that interacts with the second coil assemblies is arranged on the bottom surface of the tool trolley and slidably matches the second guide rails.

4. The dual rotary articulating conveyor of claim 2, wherein: The synchronous belt transmission track includes two parallel second guide rails arranged on the left and right sides in the transmission direction, the second guide rails slidably match the sliding blocks of the tool trolley; a synchronous belt assembly is arranged between the two second guide rails in the transmission direction, the synchronous belt assembly includes a driving wheel and a driven wheel arranged at the two ends of the two second guide rails, a synchronous belt is sleeved on the driving wheel and the driven wheel, a magnetism guiding member that is attracted to the magnetic plate of the tool trolley is arranged on the transmission surface of the synchronous belt, and the synchronous belt assembly further includes a driving motor that drives the driving wheel to rotate.

5. The dual rotary articulating conveyor of claim 4, wherein: The magnetism guiding member is a magnetism guiding metal wire embedded in the synchronous belt.

6. The dual rotary articulating conveyor of claim 5, wherein: The magnetism guiding metal wire is embedded in the synchronous belt in a spiral or parallel array form.

7. The dual rotary articulated conveyor of claim 3, 4, 5, or 6, wherein: The rotary connection mechanism includes a fixed seat, one side of the fixed seat is fixedly connected with a rotary driving motor, the output shaft end of the rotary driving motor is drivingly connected with a turnover connection piece, two parallel third guide rails are arranged on the upper end surface of the turnover connection piece in the transmission direction, two parallel fourth guide rails are arranged on the lower end surface of the turnover connection piece in the transmission direction, the third guide rails are connected with the first guide rails or the second guide rails, and the fourth guide rails are connected with the first guide rails or the second guide rails.

8. The dual rotary articulating conveyor of claim 7, wherein: A third coil assembly that interacts with the magnetic plate of the tool trolley is arranged between the two third guide rails on the upper end surface of the turnover connection piece, and a fourth coil assembly that interacts with the magnetic plate of the tool trolley is arranged between the two fourth guide rails on the lower end surface of the turnover connection piece.

9. The dual rotary articulating conveyor of claim 8, wherein: The power supply circuits of the third coil assembly and the fourth coil assembly are independent of the transmission line body and the backflow line body, and a redundant power supply is arranged.

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