Working box transfer equipment and sand mold additive manufacturing system
By designing a work box transfer device, the efficient transfer of the work box and the parallel sand cleaning work in the sand mold additive manufacturing system were realized, which solved the problem of rising production costs in traditional equipment, improved production efficiency and reduced costs.
Patent Information
- Application Number
- CN202520167058.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Traditional sand-casting additive manufacturing equipment can only fix the work box one-to-one, which limits the scheduling flexibility in the production process and leads to a continuous increase in production costs.
Design a work box transfer device, including a transfer platform, multiple work boxes and a transfer trolley, which can frequently dispatch work boxes between the printing station, the turnover storage station and the sand cleaning station to realize a one-machine-multiple-box working mode.
It improves the production efficiency of additive manufacturing and reduces production costs. The design of the transfer equipment enables the efficient transfer of the work box and the parallel operation of sand removal.
Smart Images
Figure CN223902867U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to additive manufacturing equipment technical field especially relates to a work tank transfer equipment and sand mould additive manufacturing system. BACKGROUND
[0002] Sand mould printing additive manufacturing is an important modern manufacturing technology, because the work tank of traditional sand mould additive manufacturing equipment can only be fixed on the main equipment one by one, cannot completely separate from the main equipment, and limits the scheduling flexibility in the production process. Under this condition, manufacturers usually can only increase the number of additive manufacturing equipment or continuously expand the size of the work tank to increase the production capacity, but this also leads to the continuous rise of production cost. SUMMARY
[0003] Therefore, it is necessary to provide a work tank transfer equipment and sand mould additive manufacturing system capable of reducing production cost.
[0004] A work tank transfer equipment, comprising:
[0005] A transfer platform has a transfer running channel; the extension direction of the running channel is defined as a first direction; the transfer platform has a printing station, a turnover storage station and a sand cleaning station arranged along the first direction; the printing station is used for placing a sand mould additive manufacturing main equipment;
[0006] A plurality of work tanks; the number of the work tanks is less than the total number of the printing station, the turnover storage station and the sand cleaning station by at least one;
[0007] A transfer connection trolley is configured to run along the first direction in the transfer running channel; the transfer connection trolley can be operatively stopped at the printing station, the turnover storage station or the sand cleaning station to transfer the work tank between the transfer connection trolley and the printing station, between the transfer connection trolley and the turnover storage station, and between the transfer connection trolley and the sand cleaning station.
[0008] A sand mould additive manufacturing system, characterized by comprising the work tank transfer equipment and the additive manufacturing main equipment; the additive manufacturing main equipment is arranged in the printing station.
[0009] The working box transfer equipment and the sand mold additive manufacturing system can utilize the transfer connection trolley to frequently transfer the working boxes between the printing station, the turnover storage station and the sand cleaning station, so that the sand mold additive manufacturing main equipment of the printing station can perform printing operation while the working boxes in the sand cleaning station are cleaned by the staff, the working boxes after sand cleaning or the working boxes before sand cleaning can be temporarily stored in the turnover storage station, or the printed products in the working boxes can be taken out, so that the working mode of one machine (i.e. the sand mold additive manufacturing main equipment) and multiple boxes (i.e. the working boxes) is realized, and the additive manufacturing production efficiency is improved and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is a structural schematic view of the working box transfer equipment in the preferred embodiment of the utility model;
[0011] Figure 2 It is a structural schematic view of the working box transfer equipment in the preferred embodiment of the utility model; Figure 1 It is a schematic view of the position relationship between the transfer connection trolley and the transfer guide, the connection guide structure in the working box transfer equipment shown in the figure;
[0012] Figure 3 It is a structural schematic view of the working box transfer equipment in the preferred embodiment of the utility model; Figure 1
[0013] Figure 4 It is a structural schematic view of the guide roller in the connection guide structure shown in the figure; Figure 3
[0014] Figure 5 It is a structural schematic view of the upper limiting block in the connection guide structure shown in the figure; Figure 3
[0015] Figure 6 It is a structural schematic view of the connection gap adjusting mechanism in the connection guide structure shown in the figure. Figure 3
[0016] In the specific embodiments, the reference signs in the drawings are as follows: 100, workbox transfer equipment; 110, transfer platform; 111, transfer running channel; 112, printing station; 113, turnover storage station; 114, sand cleaning station; 115, transfer guide; 120, workbox; 121, guide convex rib; 130, transfer connection trolley; 140, printing connection guide device; 150, turnover storage guide device; 160, sand cleaning guide device; 170, connection guide structure; 171, base; 1711, support frame; 1712, connecting plate; 172, guide roller; 1721, annular guide step; 17211, first limiting surface; 17212, second limiting surface; 173, upper limiting block; 1731, limiting step; 17311, third limiting surface; 17312, fourth limiting surface; 174, connection gap adjusting mechanism; 1741, side guide wheel; 1742, upper mounting seat; 1743, lower mounting seat; 1744, upper adjusting structure; 17441, first long strip-shaped through hole; 1745, lower adjusting structure; 17451, second long strip-shaped through hole; 175, limiting structure; 176, first connecting piece; 180, position sensor; 10, first direction; 20, second direction; 30, third direction; 200, sand mold additive manufacturing main equipment. DETAILED DESCRIPTION
[0017] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0019] In describing a position relationship, unless otherwise specified, when an element is referred to as being "on" another element, it can be directly on the other element or there can be an intermediate element. It can also be understood that when an element is referred to as being "between" two elements, it can be the only one between the two elements, or there can be one or more intermediate elements.
[0020] In the case of using "include", "have", and "contain" described in this document, unless the explicit limiting language such as "only", "consisting of", etc. is used, another component can also be added. Unless otherwise mentioned, the singular form of the term can include the plural form, and cannot be understood as one in number.
[0021] In addition, the drawings are not drawn to scale 1:1, and the relative sizes of the elements are only drawn by example in the drawings, not necessarily according to the true scale.
[0022] The utility model provides a kind of working tank transfer equipment and sand mould additive manufacturing system. Wherein sand mould additive manufacturing system includes working tank transfer equipment and sand mould additive manufacturing main equipment. Among them, sand mould additive manufacturing main equipment is the part of sand mould additive manufacturing equipment except working tank.
[0023] The working tank transfer equipment 100 in the preferred embodiment of the utility model includes a transfer platform 110, a plurality of working tanks 120 and a transfer connection trolley 130.
[0024] The transfer platform 110 has a transfer running channel 111. The extension direction of the transfer running channel 111 is defined as the first direction 10. The transfer platform 110 has a printing station 112, a turnover storage station 113 and a sand cleaning station 114 arranged at intervals along the first direction 10. The printing station 112 is used to place the sand mould additive manufacturing main equipment 200. In the sand mould additive manufacturing system, the sand mould additive manufacturing main equipment 200 is arranged in the printing station 112. Among them, the transfer platform 110 can be the ground in the workshop for arranging processing equipment, or a working platform structure for arranging equipment, etc.
[0025] Among them, the printing station 112 can be one or multiple. When the printing station 112 is multiple, correspondingly, the sand mould additive manufacturing main equipment 200 is also multiple and corresponds to the multiple printing stations 112 one by one. Of course, the number of the turnover storage station 113 and the sand cleaning station 114 can also be selected according to the number of the printing station 112, so as to make more full use of the sand mould additive manufacturing main equipment 200 on the printing station 112.
[0026] The number of the working tank 120 is less than the total number of the printing station 112, the turnover storage station and the sand cleaning station 114 by at least one.
[0027] The transfer shuttle 130 is configured to travel in the first direction 10 in the transfer travel channel 111. The transfer shuttle 130 is operable to stop at the printing station 112, the turnover storage station 113 or the sand cleaning station 114 to transfer the work tank 120 between the transfer shuttle 130 and the printing station 112, between the transfer shuttle 130 and the turnover storage station 113, or between the transfer shuttle 130 and the sand cleaning station 114.
[0028] Specifically, when the transfer shuttle 130 stops at the printing station 112, the turnover storage station 113 or the sand cleaning station 114, the bearing surface of the transfer shuttle 130 for placing the work tank 120 is flush with the installation position of the work tank 120 in the work cabin of the sand mold additive manufacturing main device 200 on the printing station 112, flush with the storage surface for storing the work tank 120 at the turnover storage station 113, or flush with the sand cleaning work surface for placing the work tank 120 at the sand cleaning station 114.
[0029] The above-mentioned work tank transfer device 100 can use the transfer shuttle 130 to frequently schedule multiple work tanks 120 between the printing station 112, the turnover storage station 113 and the sand cleaning station 114, so that the sand mold additive manufacturing main device 200 of the printing station 112 can perform printing work while the staff can perform sand cleaning work on the work tank 120 of the sand cleaning station 114, and temporarily store the work tank 120 at the turnover storage station 113 or take out the printed parts in the work tank 120, thereby realizing a one-machine (i.e., the sand mold additive manufacturing main device 200) and multiple-tank (i.e., the work tank 120) working mode, which is conducive to improving the additive manufacturing production efficiency and reducing the production cost.
[0030] In some embodiments, a transfer guide 115 is arranged in the transfer travel channel 111. The transfer shuttle 130 is mounted on the transfer guide 115 and is movable along the transfer guide 115. The transfer guide 115 can be a guide rail arranged in the transfer travel channel 111, or a guide groove formed in the transfer channel, etc. In order to ensure that the transfer shuttle 130 travels more smoothly in the transfer channel, the transfer guide 115 can be two, and the two transfer guides 115 are arranged in parallel and spaced apart.
[0031] The transfer guide 115 is used to guide the travel path of the transfer shuttle 130 in the transfer travel channel 111, so as to improve the travel accuracy of the transfer shuttle 130 in the transfer travel channel 111, thereby improving the reliability of the transfer shuttle 130 in scheduling the work tank 120 between the printing station 112, the turnover storage station 113 and the sand cleaning station 114.
[0032] Please refer toFigure 3 In some embodiments, the workbox transfer device 100 further comprises a printing interface guiding device 140 arranged at the printing station 112, a turnover storage guiding device 150 arranged at the turnover storage station 113, and a sand cleaning guiding device 160 arranged at the sand cleaning station 114. The printing interface guiding device 140, the turnover storage guiding device 150, and the sand cleaning guiding device 160 are all the same interface guiding structure 170.
[0033] The interface guiding structure 170 comprises a base 171 and a guiding portion (not labeled in the figure) arranged on the base 171. The guiding portion extends along a second direction 20 intersecting the first direction 10. The bottom end of the workbox 120 is provided with a matching portion (not labeled in the figure) capable of cooperating with the guiding portion. When the workbox 120 is operable to slide on the base 171, the guiding portion and the matching portion cooperate with each other to guide the sliding direction of the workbox 120. It should be noted that the first direction 10 and the second direction 20 intersect each other, which means that the first direction 10 and the second direction 20 are perpendicular to each other, or the included angle between the first direction 10 and the second direction 20 is obtuse or acute.
[0034] In this way, when the workbox 120 is transferred between the transfer interface trolley 130 and the printing interface guiding device 140, between the transfer interface trolley 130 and the turnover storage guiding device 150, and between the transfer interface trolley 130 and the sand cleaning guiding device 160, the guiding portion and the matching portion cooperate with each other to guide the sliding path of the workbox 120 on the base 171, so as to ensure that the workbox 120 can easily and accurately slide to the preset position on the base 171 or the preset position on the transfer interface trolley 130 under the action of external force, effectively reducing the transfer difficulty of the workbox 120, and being conducive to further improving the additive manufacturing work efficiency and further reducing the production cost.
[0035] Specifically, the printing interface guiding device 140 is located in the sand mold additive manufacturing main device 200 at the printing station 112, and is used to transfer the workbox 120 to the preset position of the sand mold additive manufacturing main device 200 at the printing station 112, so as to facilitate the sand mold additive manufacturing main device 200 to perform workpiece printing in the workbox 120.
[0036] Further, in some embodiments, the two opposite sides of the bottom end of the working tank 120 are provided with guide ribs 121 as the matching parts. The base 171 comprises two support frames 1711 spaced apart along the first direction 10 and a connecting plate 1712 connected between the two support frames 1711. Each support frame 1711 is provided with a plurality of guide rollers 172 and a plurality of upper limit blocks 173 as the guide parts on the side facing the other support frame 1711. The plurality of guide rollers 172 and the plurality of upper limit blocks 173 on each support frame 1711 are spaced apart along a second direction 20 intersecting the first direction 10. Each upper limit block 173 is located above each guide roller 172 and is spaced apart from each guide roller 172 in a third direction 30 perpendicular to the first direction 10 and the second direction 20. The guide rib 121 is configured to slide in the gap between the corresponding guide roller 172 and the corresponding upper limit block 173.
[0037] In this way, when the working tank 120 is transferred between the transfer connection trolley 130 and the printing connection guide device 140, between the transfer connection trolley 130 and the turnover storage guide device 150, and between the transfer connection trolley 130 and the sand cleaning guide device 160, the working tank 120 is pushed or pulled by an external force, and the guide rib 121 slides in the gap between the corresponding side guide roller 172 and the corresponding side upper limit block 173 to guide the sliding path of the working tank 120 on both sides of the working tank 120, thereby reducing the probability of falling of the working tank 120 during the transfer process. The arrangement of the guide rollers 172 makes the sliding of the working tank 120 on the base 171 more smooth and easy, and the transfer of the working tank 120 is more time-saving and labor-saving, which is conducive to further reducing the production cost of additive manufacturing.
[0038] Of course, in other embodiments, the guide part can be a guide rail, a guide groove, a guide wheel, etc., and the matching part is a guide structure matched therewith.
[0039] Please refer to Figure 4 Further, in some embodiments, each guide roller 172 is provided with an annular guide step 1721 in the circumferential direction. The annular guide step 1721 comprises a first limiting surface 17211 and a second limiting surface 17212 perpendicular to each other. In the first direction 10, each first limiting surface 17211 is opposite and parallel to the adjacent first limiting surface 17211. In the second direction 20, the highest point of each second limiting surface 17212 has the same height as the highest points of the two adjacent second limiting surfaces 17212.
[0040] Please refer to Figure 5The lower side of each upper limit block 173 has a limit step 1731. The limit step 1731 comprises a third limit surface 17311 and a fourth limit surface 17312 which are connected to each other and vertical. In the first direction 10, each third limit surface 17311 is parallel to and opposite to the adjacent third limit surface 17311. In the second direction 20, each fourth limit surface 17312 is flush with the adjacent fourth limit surface 17312. In the third direction 30, each fourth limit surface 17312 is opposite to and spaced apart from the adjacent second limit surface 17212.
[0041] When the work tank transfer device 100 is located on the water surface, the first direction 10 and the second direction 20 are horizontal directions intersecting with each other, and the third direction 30 is a vertical direction. When the work tank 120 slides on the base 171, the first limit surface 17211 and the third limit surface 17311 limit the extreme positions of the work tank 120 in the left-right direction (i.e., the first direction 10), and the second limit surface 17212 and the fourth limit surface 17312 limit the positions of the work tank 120 in the up-down direction (i.e., the third direction 30), so as to limit the sliding tracks of the work tank 120 in the printing station 112, the turnover storage station 113 and the sand cleaning station 114, and ensure that the work tank 120 can slide smoothly and safely on the docking guide device 170, so as to further improve the safety of the work tank 120 in the transfer process.
[0042] Please refer to Figure 6 Further, in some embodiments, the docking guide structure 170 further comprises two docking gap adjustment mechanisms 174. The two docking gap adjustment mechanisms 174 are respectively located at one end of the two support frames 1711 close to the transfer running channel 111. The docking gap adjustment mechanism 174 comprises a vertical side guide wheel 1741. The rotation direction of each side guide wheel 1741 toward the other side guide wheel 1741 is consistent with the second direction 20. In the first direction 10, the distance between the two side guide wheels 1741 is adjustable. Among them, the vertical arrangement of the side guide wheel 1741 means that the center axis of the side guide wheel 1741 is vertically arranged, that is, the center axis direction of the side guide wheel 1741 is consistent with the third direction 30.
[0043] When the working tank 120 is transferred by the transfer trolley 130 to the docking guide structure 170, the working tank 120 enters between the two side guide wheels 1741 under the action of an external force, and the two sides of the working tank 120 are in rolling contact with the two side guide wheels 1741, so that the two side guide wheels 1741 can limit the sliding direction of the working tank 120, and make the sliding action of the working tank 120 more smooth, so as to further reduce the transfer difficulty of the working tank 120. Further, by adjusting the distance between the two side guide wheels 1741, the working tank 120 of different widths can be adapted, the applicability of the working transfer equipment is improved, and the production cost of additive manufacturing is further reduced.
[0044] When the sides of the working tank 120 on both sides cannot effectively contact the two side guide wheels 1741 or the working tank 120 cannot enter between the two side guide wheels 1741, the staff can adjust the distance between the two side guide wheels 1741 to be small or large to ensure that the working tank 120 can enter between the two side guide wheels 1741, and the two sides of the working tank 120 are in effective contact with the two side guide wheels 1741, so as to effectively guide the sliding direction of the working tank 120, ensure the accuracy of the sliding direction of the working tank 120, and especially ensure that the working tank 120 is accurately installed into the working cabin of the sand mold additive manufacturing main equipment 200.
[0045] Further, in some embodiments, the docking gap adjusting mechanism 174 further includes an upper mounting seat 1742, a lower mounting seat 1743, an upper adjusting structure 1744, a lower adjusting structure 1745, a first connecting piece 176, and a second connecting piece (not shown in the figure). The upper mounting seat 1742 and the lower mounting seat 1743 are arranged at one end of the corresponding support frame 1711 close to the transfer running channel 111 in the third direction 30. The upper adjusting structure 1744 is formed with a first long strip-shaped through hole 17441 and a second long strip-shaped through hole 17451 in the first direction 10. One end of the first connecting piece 176 is mounted in the first long strip-shaped through hole 17441, and the other end is detachably connected to the upper mounting seat 1742. One end of the second connecting piece is mounted in the second long strip-shaped through hole 17451, and the other end is detachably connected to the lower mounting seat 1743. Both ends of the rotating shaft of the side guide wheel 1741 are respectively mounted on the upper adjusting structure 1744 and the lower adjusting structure 1745.
[0046] When it is necessary to adjust the distance between the two side guide wheels 1741, the staff only needs to loosen the first connecting piece 176 and the second connecting piece, and then push the upper adjusting structure 1744 and the lower adjusting structure 1745 to drive the side guide wheel 1741 to slide to the position in the first direction 10, and then tighten the first connecting piece 176 and the second connecting piece, which is convenient and simple to operate.
[0047] Of course, in other embodiments, a plurality of first mounting points and a plurality of second mounting points can also be formed on the upper adjusting structure 1744 and the lower adjusting structure 1745 in the first direction 10, respectively, and one end of the first connecting member 176 is selectively mounted in one of the first mounting points, and the other end is detachably mounted on the upper mounting seat 1742, and one end of the second connecting member is selectively mounted in one of the second mounting points, and the other end is detachably mounted on the lower mounting seat 1743.
[0048] Please refer again to Figure 3 Furthermore, in some embodiments, the base 171 is provided with a limiting structure 175 away from the end of the transfer channel 111. The limiting structure 175 is located on the upper surface of the base 171. The limiting structure 175 can be a plurality of limiting blocks arranged at intervals in the first direction 10, or a limiting strip extending in the first direction 10, and the like. The limiting structure 175 can prevent the working box 120 from sliding too far on the base 171, thereby reducing the probability of the working box 120 sliding out of the end of the base 171 away from the transfer channel 111, and making the transfer work of the working box 120 safer.
[0049] Please refer again to Figure 2 In some embodiments, the printing station 112, the turnover storage station 113, and the sand cleaning station 114 are each provided with two position sensors 180 near the transfer channel 111. The printing station 112, the turnover storage station 113, and the sand cleaning station 114 are respectively located between the two corresponding position sensors 180.
[0050] The working box transfer device 100 further comprises a control device (not shown in the figure). Each position sensor 180 is in communication connection with the control device and is configured to send a trigger signal to the control device when the transfer docking trolley 130 is detected. The control device can be a control system provided on the transfer docking trolley 130, or can be a control device independent of the transfer docking trolley 130.
[0051] The control device is in electrical connection with the transfer docking trolley 130, and is used to control the transfer docking trolley 130 to travel at a reduced speed when the trigger signal is received for the first time at the printing station 112, the turnover storage station 113, or the sand cleaning station 114, and to control the transfer docking trolley 130 to stop traveling when the trigger signal is received for the second time.
[0052] In actual use, if the transfer connection trolley 130 needs to be parked at the printing station 112 for the transfer of the work tank 120, when the transfer connection trolley 130 travels in the transfer running channel 111 to the first position sensor 180 close to the printing station 112, the control device receives a trigger signal for the first time, thereby controlling the transfer connection trolley 130 to travel at a reduced speed, when the transfer connection trolley 130 continues to travel to the second position sensor 180 close to the printing station 112, the control device receives a trigger signal for the second time, thereby controlling the transfer connection trolley 130 to stop immediately, at this time, the transfer connection trolley 130 is parked at the printing station 112, so as to ensure the accurate transfer of the work tank 120 between the transfer connection trolley 130 and the working cabin of the sand mold additive manufacturing main equipment 200 at the printing station 112.
[0053] Similarly, when the transfer connection trolley 130 needs to be parked at the turnover storage station 113 or the sand cleaning station 114 for the transfer of the work tank 120, the process of controlling the transfer connection trolley 130 by the control device and the respective two position sensors 180 is similar to the above-mentioned process of parking at the printing station 112, which will not be described here.
[0054] Therefore, the control device and the position sensor 180 can improve the accuracy of the parking position of the transfer connection trolley 130 at the printing station 112, the turnover storage station 113 and the sand cleaning station 114, so as to improve the transfer reliability of the work tank 120, and is beneficial to further improve the additive manufacturing work efficiency.
[0055] Of course, in this embodiment, the transfer connection trolley 130 can automatically travel in the transfer running channel 111, thereby saving time and effort for the movement of the transfer connection trolley 130.
[0056] The technical features of the above-mentioned embodiments can be combined arbitrarily, in order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the description.
[0057] The above-mentioned embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the application patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the application patent should be subject to the appended claims.
Claims
1. A workbox transfer apparatus, characterized by, The method comprises the following steps: A transfer platform is provided with a transfer walking channel; The extension direction of the walking channel is defined as a first direction; the transfer platform is provided with a printing station, a turnover storage station and a sand cleaning station which are spaced apart along the first direction; the printing station is used for placing a sand mold additive manufacturing main device; A plurality of working boxes; the number of working boxes is less than the total number of printing stations, turnover storage stations and sand cleaning stations by at least one; A transfer connection trolley is configured to walk in the transfer walking channel along the first direction; the transfer connection trolley can be parked in the printing station, the turnover storage station or the sand cleaning station to transfer the working box between the transfer connection trolley and the printing station, the transfer connection trolley and the turnover storage station, and the transfer connection trolley and the sand cleaning station.
2. The workbox transfer apparatus of claim 1, wherein, The transfer walking channel is provided with a transfer guide; the transfer connection trolley is installed on the transfer guide and is movable along the transfer guide.
3. The workbox transfer apparatus of claim 1, wherein, It also includes a printing connection guide device provided in the printing station, a turnover storage guide device provided in the turnover storage station, and a sand cleaning guide device provided in the sand cleaning station; the printing connection guide device, the turnover storage guide device and the sand cleaning guide device are the same connection guide structure; The connection guide structure comprises a base and a guide part provided on the base; the guide part extends along a second direction intersecting the first direction; The bottom end of the working box is provided with a matching part capable of cooperating with the guide part; when the working box slides on the base, the guide part and the matching part cooperate with each other to guide the sliding direction of the working box.
4. The workbox transfer apparatus of claim 3, wherein, The opposite two sides of the bottom end of the working box are provided with guide ribs as the matching parts; the base comprises two support frames spaced apart along the first direction and a connecting plate connected between the two support frames; each support frame is provided with a plurality of guide rollers and a plurality of upper limit blocks as the guide parts on the side facing the other support frame; the plurality of guide rollers and the plurality of upper limit blocks on each support frame are spaced apart along a second direction intersecting the first direction; each upper limit block is located above each guide roller and is spaced apart from each guide roller in a third direction perpendicular to the first direction and the second direction; the guide ribs are configured to slide in the gap between the corresponding guide rollers and the corresponding upper limit blocks.
5. The workbox transfer apparatus of claim 4, wherein, Each guide roller is provided with an annular guide step in the circumferential direction; the annular guide step comprises first and second limit surfaces perpendicular to each other; in the first direction, each first limit surface is opposite and parallel to the adjacent first limit surface; in the second direction, the highest point of each second limit surface has the same height as the highest points of the two adjacent second limit surfaces; The lower side of each of the upper limit blocks is provided with a limit step; the limit step comprises a third limit surface and a fourth limit surface which are connected to each other and perpendicular; in the first direction, each of the third limit surfaces is parallel to and opposite to the adjacent third limit surface; in the second direction, each of the fourth limit surfaces is flush with the adjacent fourth limit surface; in the third direction, each of the fourth limit surfaces is opposite to and spaced apart from the adjacent second limit surface.
6. The workbox transfer apparatus of claim 4, wherein, The transfer guiding structure further comprises two transfer gap adjusting mechanisms; the two transfer gap adjusting mechanisms are respectively located at one end of the two support frames close to the transfer running channel; the transfer gap adjusting mechanism comprises a vertically arranged side guide wheel; in the first direction, the distance between the two side guide wheels is adjustable.
7. The workbox transfer apparatus of claim 6, wherein, The transfer gap adjusting mechanism further comprises an upper mounting seat, a lower mounting seat, an upper adjusting structure, a lower adjusting structure, a first connecting piece and a second connecting piece; the upper mounting seat and the lower mounting seat are spaced apart in the third direction at the end of the corresponding support frame close to the transfer running channel; the upper adjusting structure and the lower adjusting structure are respectively formed with a first long strip-shaped through hole and a second long strip-shaped through hole in the first direction; one end of the first connecting piece is mounted in the first long strip-shaped through hole, and the other end is detachably connected to the upper mounting seat; one end of the second connecting piece is mounted in the second long strip-shaped through hole, and the other end is detachably connected to the lower mounting seat; both ends of the rotating shaft of the side guide wheel are respectively mounted on the upper adjusting structure and the lower adjusting structure.
8. The workbox transfer apparatus of claim 4, wherein, The end of the base away from the transfer running channel is provided with a limiting structure; the limiting structure is located on the upper surface of the base.
9. The workbox transfer apparatus of claim 1, wherein, The positions of the printing station, the turnover storage station and the sand cleaning station close to the transfer running channel are each provided with two position sensors; the printing station, the turnover storage station and the sand cleaning station are respectively located between the corresponding two position sensors; The workbox transfer equipment further comprises a control device; each of the position sensors is in communication connection with the control device and is configured to send a trigger signal to the control device when the transfer trolley is detected; The control device is in electrical connection with the transfer trolley and is used to control the transfer trolley to travel at a reduced speed when the trigger signal is received for the first time at the printing station, the turnover storage station or the sand cleaning station, and to control the transfer trolley to stop traveling when the trigger signal is received for the second time.
10. A sand pattern additive manufacturing system, characterized by, The workbox transfer equipment and the additive manufacturing main equipment are provided, and the additive manufacturing main equipment is arranged at the printing station.