Gluing mechanism for 3D printing molding sand bonding

Abstract

The invention provides a gluing mechanism for 3D printing molding sand bonding, and relates to the field of 3D printing sand mold gluing, and the gluing mechanism comprises the following steps: under the cooperation between a gluing machine head and a gluing transmission seat, when the gluing machine head and the gluing transmission seat are mounted according to the specified requirements, the gluing machine head and the gluing transmission seat are matched; the four groups of detection inserting blocks of the gluing machine head can trigger the sliding support of the gluing transmission seat to move upwards, then the limiting block is driven to be separated from the fixing hole, only when the four groups of detection inserting blocks are triggered according to expectation, the fixing screw can be inserted into the fixing connector to be matched with the fixing hole to complete installation and fixation, and at the moment, the detection inserting blocks and the fixing connector are completely attached. And the operation stability of the equipment is guaranteed, and the problems that when the gluing mechanism is installed, the gluing mechanism usually does not have a certain installation detection mechanism, deviation cannot occur in time in the installation process of the gluing mechanism, and then the gluing printing effect of the gluing mechanism is reduced are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of 3D printing sand mold gluing, and in particular to a gluing mechanism for bonding 3D printing sand. Background Art

[0002] The gluing mechanism delivers the binder to the nozzle through the glue supply system according to the computer instructions of the sand printer. The nozzle moves in three-dimensional space driven by the drive system, and accurately sprays the binder in the form of tiny droplets to the specified position on the surface of the molding sand, so that the molding sand particles adhere to each other. During the use of the sand mold 3D printer, since the gluing mechanism of the sand mold 3D printer needs to work for a long time, in order to ensure that the gluing mechanism can work well and normally, the gluing mechanism will be disassembled and repaired regularly. However, when the commonly used gluing mechanism is disassembled for maintenance, more parts need to be disassembled to complete the disassembly work, and when the gluing mechanism is installed, the gluing mechanism usually does not have a certain installation detection mechanism, resulting in the failure to timely detect the deviation during the installation of the gluing mechanism, which in turn leads to a decrease in the gluing printing effect of the gluing mechanism. Summary of the invention

[0003] The present application discloses a gluing mechanism for bonding 3D printing molding sand, so as to solve the problem raised in the above background technology that when the gluing mechanism is installed, the gluing mechanism usually does not have a certain installation detection mechanism, resulting in the failure to detect deviations in the installation process of the gluing mechanism in time, thereby resulting in a decrease in the gluing printing effect of the gluing mechanism.

[0004] In the first aspect of the present disclosure, a purpose and function of a gluing mechanism for bonding 3D printing molding sand is provided, which specifically includes: a gluing machine base, the gluing machine base is shaped like a rectangular base structure design, and a gluing transmission base is slidably arranged at the bottom of the gluing machine base; a gluing machine head is fixedly installed at the bottom of the gluing transmission base; a mounting frame is fixedly installed at one end of the gluing machine base; the gluing machine base also includes: a gluing chute, the gluing chute is shaped like a rectangular chute structure design, and the gluing chute is opened at the bottom of the gluing machine base; a mounting bracket, the mounting bracket is shaped like an arc-shaped frame structure design, and the number of the mounting brackets is set to four, and the mounting brackets are symmetrically fixed at the bottom of both ends of the gluing machine base; a supply connecting seat, the supply connecting seat is fixedly installed on the side of one end of the gluing machine base.

[0005] As a further solution of the present invention, the glue coating machine base also includes: a protective cover, which is installed on one side of the supply connecting base; and a transmission screw, which is rotatably arranged inside the glue coating machine base.

[0006] As a further solution of the present invention, the glue coating transmission seat also includes: a connecting side seat, which is shaped like an L-shaped seat structure and is installed and fixed on one side of the glue coating transmission seat; a connecting cover, which is installed on one side of the connecting side seat; one end of the connecting cover is connected to the protective cover; a fixing groove, which is shaped like an arc groove structure, and the number of the fixing grooves is set to two, and the fixing grooves are symmetrically opened on both sides of the glue coating transmission seat; a fixing hole, which is shaped like a threaded hole structure and is opened inside the fixing groove.

[0007] As a further scheme of the present invention, the glue transmission seat also includes: a detection slot, which is shaped like a rectangular slot structure design, and the number of the detection slots is set to four, and the detection slots are symmetrically opened at the bottom of the glue transmission seat; a sliding bracket, which is shaped like an L-shaped frame structure design, and the number of the sliding brackets is set to four, and the sliding brackets are symmetrically slidably arranged inside the glue transmission seat; a spring is installed between the glue transmission seat and the sliding bracket; a limiting block, which is shaped like a rectangular block structure design, and an arc groove is opened on one side of the bottom of the limiting block, and the limiting block is integrally arranged at the bottom of one end of the sliding bracket; the bottom of the other end of the sliding bracket is slidingly connected to the detection slot; a trigger head, which is shaped like an arc head structure design, and the trigger head is integrally arranged on one side of the sliding bracket.

[0008] As a further solution of the present invention, the glue coating transmission seat also includes: a proximity switch, the number of the proximity switches is set to four, and the proximity switches are symmetrically installed inside the glue coating transmission seat; a transmission head, the transmission head is installed and fixed on the top of the glue coating transmission seat, and the transmission head is threadedly connected to the transmission screw.

[0009] As a further solution of the present invention, the glue coating machine head includes: a fixed seat, which is shaped like a rectangular seat structure design, and the fixed seat is integrally arranged on the top of one end of the glue coating machine head; a detection plug, which is shaped like a rectangular block structure design, and the number of the detection plugs is set to four, and the detection plugs are symmetrically arranged on the top of the fixed seat; a fixed joint, the number of the fixed joints is set to two, and the fixed joints are symmetrically arranged on the top of the fixed seat; the fixed joint is consistent with the fixed groove, and the fixed joint is fixedly connected to the fixed hole.

[0010] As a further scheme of the present invention, the mounting frame also includes: a connecting bracket, which is integrally arranged at one end of the mounting frame; a transmission joint A, which is shaped like a circular head structure, and a transmission tooth is provided on one side of the transmission joint A, and the transmission joint A is rotatably arranged on one side of the connecting bracket; a transmission connection between one side of the transmission joint A and one end of the transmission screw; a matching bracket, the number of the matching brackets is set to two, and the matching brackets are symmetrically arranged at the upper and lower ends of the mounting frame; a transmission cylinder, which is fixedly installed inside the matching bracket; a transmission sliding frame, which is shaped like a circular frame structure, and the transmission sliding frame is slidably arranged on one side of the mounting frame; a transmission pillar, the number of the transmission pillars is set to two, and the transmission pillars are symmetrically arranged at the upper and lower ends of the transmission sliding frame; the transmission pillar is fixedly connected to one end of the piston rod of the transmission cylinder.

[0011] As a further scheme of the present invention, the mounting frame also includes: a transmission column, which is shaped like a circular column structure design, and the transmission column is rotatably arranged inside the transmission sliding frame; a matching column, which is shaped like a hexagonal column structure design, and the matching column is integrally arranged on one side of the transmission column; a transmission joint B, which is shaped like a circular structure design, and a transmission tooth is provided on one side of the transmission joint B, and the transmission joint B is fixedly arranged on one side of the transmission column; the transmission teeth of the transmission joint B are engaged with the transmission teeth of the transmission joint A; a fixed side frame, the number of fixed side frames is set to two, and the fixed side frames are symmetrically arranged on both sides of the mounting frame; the fixed side frame and the glue coating machine base are fixedly connected by fixing screws; a transmission motor, which is installed inside the mounting frame; a hexagonal groove is provided at one end of the rotating shaft of the transmission motor, and the hexagonal groove of the transmission motor is slidably connected to the matching column; the transmission motor, the proximity switch, and the transmission cylinder are all electrically connected to the printer.

[0012] The gluing mechanism for bonding 3D printing molding sand provided by the present invention has the following beneficial effects:

[0013] Through the cooperation between the glue coating machine head and the glue coating transmission seat, when the glue coating machine head and the glue coating transmission seat are installed in accordance with the prescribed requirements, the four groups of detection plugs of the glue coating machine head will touch the sliding bracket of the glue coating transmission seat to move it up, thereby driving the limiting block to disengage from the fixing hole. Only when the four groups of detection plugs are touched as expected can the fixing screws be inserted into the fixing joint and cooperate with the fixing hole to complete the installation and fixation. At this time, it means that the two are completely fitted. The complete fit and precise installation of the glue coating machine head and the glue coating transmission seat make the cooperation between the various components of the entire glue coating system during operation smoother and coordinated, reducing vibration, looseness and other problems that may be caused by improper installation, reducing the incidence of equipment failures, and extending the service life of the equipment, so as to continuously and stably provide reliable gluing services for 3D printing sand bonding work, ensuring the continuity and efficiency of the production process.

[0014] When the trigger head moves upward to a certain position with the sliding bracket, it will accurately touch the proximity switch installed at a specific position, so that the proximity switch is successfully triggered. After being triggered, the proximity switch sends a signal to the printer. After receiving the signal, the printer starts the transmission cylinder, and the transmission cylinder drives the transmission sliding bracket to move, connecting the transmission connection between transmission joint A and transmission joint B, so as to more accurately detect the installation position of the glue coating head and ensure that it functions normally in the system, thereby providing a solid guarantee for the subsequent 3D printing sand bonding work, so that the entire 3D printing process can be carried out efficiently and stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0016] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a schematic diagram of the overall axial stereoscopic structure of a gluing mechanism for bonding 3D printing molding sand according to an embodiment of the present invention.

[0019] Figure 2 It is a structural schematic diagram of a glue coating machine base of a glue coating mechanism for bonding 3D printing molding sand according to an embodiment of the present invention.

[0020] Figure 3 It is a schematic diagram of the structure of the glue transmission seat of the glue coating mechanism for 3D printing sand bonding according to an embodiment of the present invention.

[0021] Figure 4 It is a schematic diagram of the disassembled structure of the gluing transmission seat of the gluing mechanism for 3D printing sand bonding according to an embodiment of the present invention.

[0022] Figure 5 It is a schematic diagram of the sliding bracket structure of the gluing mechanism for 3D printing sand bonding according to an embodiment of the present invention.

[0023] Figure 6 It is a schematic diagram of the structure of a glue coating machine head of a glue coating mechanism for bonding 3D printing molding sand according to an embodiment of the present invention.

[0024] Figure 7 It is a schematic diagram of the mounting frame structure of a gluing mechanism for bonding 3D printing molding sand according to an embodiment of the present invention.

[0025] Figure 8 It is a schematic diagram of the transmission column structure of the gluing mechanism for 3D printing sand bonding according to an embodiment of the present invention.

[0026] Reference numerals list

[0027] 1. Glue coating machine base; 101. Glue coating slide; 102. Mounting bracket; 103. Supply connection seat; 104. Protective cover; 105. Drive screw; 2. Glue coating drive seat; 201. Connecting side seat; 202. Connecting cover; 203. Fixed groove; 204. Fixed hole; 205. Detection slot; 206. Sliding bracket; 207. Limit block; 208. Trigger head; 209. Proximity switch; 210. Drive head; 3. Glue coating machine head; 301. Fixed seat; 302. Detection plug block; 303. Fixed joint; 4. Mounting bracket; 401. Connecting bracket; 402. Drive joint A; 403. Matching bracket; 404. Drive cylinder; 405. Drive sliding frame; 406. Drive pillar; 407. Drive column; 408. Matching column; 409. Drive joint B; 410. Fixed side frame; 411. Drive motor. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Unless otherwise defined, all terms (including technical and scientific terms) used in the embodiments of the present invention have the same meanings as commonly understood by those of ordinary skill in the art to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless the embodiments of the present invention are clearly defined in this way.

[0030] The words "first", "second" and similar words used in the embodiments of the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. The words "one", "one" or "the" and similar words do not indicate a quantity limitation, but indicate the existence of at least one. Similarly, the words "include" or "comprise" and similar words mean that the elements or objects appearing in front of the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. In the following description, the spatial and directional terms such as "upper", "lower", "front", "back", "top", "bottom", "vertical" and "horizontal" may be used to describe the embodiments of the present invention, but it should be understood that these terms are only for the convenience of describing the embodiments shown in the figures, and do not require the actual device to be constructed or operated in a specific orientation. In the following description, the use of terms such as "connect", "couple", "fix" and "attach" may refer to the direct connection between two elements or structures without other elements or structures, or may refer to the indirect connection between two elements or structures through an intermediate element or structure, unless otherwise clearly stated in this article.

[0031] As attached Figure 1 To Attachment Figure 8 As shown:

[0032] Embodiment: The present invention proposes a glue coating mechanism for bonding 3D printing molding sand, comprising: a glue coating machine base 1, the shape of the glue coating machine base 1 is a rectangular seat structure design, and a glue coating transmission base 2 is slidably arranged at the bottom of the glue coating machine base 1; a glue coating machine head 3 is fixedly installed at the bottom of the glue coating transmission base 2; a mounting frame 4 is fixedly installed at one end of the glue coating machine base 1; the glue coating machine base 1 also includes: a glue coating chute 101, the shape of the glue coating chute 101 is a rectangular trough structure design, and the glue coating chute 101 is opened at the glue coating machine The bottom of the seat 1; the mounting bracket 102, the mounting bracket 102 is in the shape of an arc-shaped frame structure design, and the number of the mounting bracket 102 is set to four, and the mounting bracket 102 is symmetrically fixed at the bottom of both ends of the glue coating machine seat 1; the supply connecting seat 103, the supply connecting seat 103 is installed and fixed on the side of one end of the glue coating machine seat 1; the protective cover 104, the protective cover 104 is installed on one side of the supply connecting seat 103; the transmission screw 105, the transmission screw 105 is rotatably set inside the glue coating machine seat 1.

[0033] Among them, the glue transmission seat 2 also includes: a connecting side seat 201, the connecting side seat 201 is shaped like an L-shaped seat structure design, and the connecting side seat 201 is installed and fixedly arranged on one side of the glue transmission seat 2; a connecting cover 202, the connecting cover 202 is installed and arranged on one side of the connecting side seat 201; one end of the connecting cover 202 is connected and communicated with the protective cover 104; a fixing groove 203, the fixing groove 203 is shaped like an arc groove structure design, and the number of the fixing grooves 203 is set to two, and the fixing grooves 203 are symmetrically opened on both sides of the glue transmission seat 2; a fixing hole 204, the fixing hole 204 is shaped like a threaded hole structure design, and the fixing hole 204 is opened inside the fixing groove 203; a detection slot 205, the detection slot 205 is shaped like a rectangular slot structure design, and the number of the detection slots 205 is set to four, and the detection slots 205 are symmetrically opened at the bottom of the glue transmission seat 2; a sliding bracket 206, the sliding bracket 206 is shaped like an L-shaped bracket Structural design, and the number of sliding brackets 206 is set to four, and the sliding brackets 206 are symmetrically slidably arranged inside the glue transmission seat 2; a spring is installed between the glue transmission seat 2 and the sliding bracket 206; a limiting block 207, the limiting block 207 is shaped like a rectangular block structure design, and an arc groove is opened on one side of the bottom of the limiting block 207, and the limiting block 207 is integrally arranged at the bottom of one end of the sliding bracket 206; the bottom of the other end of the sliding bracket 206 is slidingly connected with the detection slot 205; a trigger head 208, the trigger head 208 is shaped like an arc head structure design, and the trigger head 208 is integrally arranged on one side of the sliding bracket 206; a proximity switch 209, the number of proximity switches 209 is set to four, and the proximity switch 209 is symmetrically installed inside the glue transmission seat 2; a transmission head 210, the transmission head 210 is fixedly installed on the top of the glue transmission seat 2, and the transmission head 210 is threadedly connected to the transmission screw 105.

[0034] Among them, the glue coating machine head 3 includes: a fixed seat 301, the fixed seat 301 is shaped like a rectangular seat structure design, and the fixed seat 301 is integrally arranged on the top of one end of the glue coating machine head 3; a detection plug 302, the detection plug 302 is shaped like a rectangular block structure design, and the number of the detection plug 302 is set to four, and the detection plug 302 is symmetrically arranged on the top of the fixed seat 301; a fixed joint 303, the number of the fixed joint 303 is set to two, and the fixed joint 303 is symmetrically arranged on the top of the fixed seat 301; the fixed joint 303 is consistent with the fixed groove 203, and the fixed joint 303 is fixedly connected to the fixed hole 204.

[0035] The mounting frame 4 further includes: a connecting bracket 401, which is integrally arranged at one end of the mounting frame 4; a transmission joint A402, which is in the shape of a round head structure design, and a transmission tooth is provided on one side of the transmission joint A402, and the transmission joint A402 is rotatably arranged on one side of the connecting bracket 401; one side of the transmission joint A402 is transmission-connected to one end of the transmission screw 105; a matching bracket 403, the number of matching brackets 403 is set to two, and the matching brackets 403 are symmetrically integrally arranged on the mounting frame 4 upper and lower ends; a transmission cylinder 404, which is fixedly installed inside the matching bracket 403; a transmission sliding frame 405, which is designed in a circular frame structure, and the transmission sliding frame 405 is slidably arranged on one side of the mounting frame 4; a transmission support 406, which is set to two in number, and the transmission support 406 is symmetrically arranged at the upper and lower ends of the transmission sliding frame 405; the transmission support 406 is fixedly connected to one end of the piston rod of the transmission cylinder 404; a transmission column 407, which is a transmission column 40 The shape of the transmission column 407 is a circular column structure design, and the transmission column 407 is rotatably arranged inside the transmission sliding frame 405; the matching column 408, the shape of the matching column 408 is a hexagonal column structure design, and the matching column 408 is integrally arranged on one side of the transmission column 407; the transmission joint B409, the shape of the transmission joint B409 is a circular structure design, and a transmission tooth is opened on one side of the transmission joint B409, and the transmission joint B409 is fixedly arranged on one side of the transmission column 407; the transmission teeth of the transmission joint B409 are locked with the transmission teeth of the transmission joint A402 The fixed side frames 410 are arranged in two numbers, and the fixed side frames 410 are symmetrically arranged on both sides of the mounting frame 4; the fixed side frames 410 are fixedly connected to the glue coating machine base 1 by fixing screws; the transmission motor 411, the transmission motor 411 is installed inside the mounting frame 4; a hexagonal groove is provided at one end of the rotating shaft of the transmission motor 411, and the hexagonal groove of the transmission motor 411 is slidably connected to the matching column 408; the transmission motor 411, the proximity switch 209, and the transmission cylinder 404 are all electrically connected to the printer.

[0036] The specific usage and function of this embodiment are as follows:

[0037] When the gluing mechanism is in use, the gluing machine base 1 is inserted into the mounting bracket 102 by means of fixing screws and fixed to the printer, and then the supply connecting base 103 is connected to the glue supply mechanism so that the glue supply mechanism can be connected to the glue coating head 3. At this time, the transmission motor 411 is started by the printer control, and the transmission motor 411 will drive the transmission screw 105 to rotate through the matching column 408, the transmission column 407, the transmission joint B409, and the transmission joint A402 in turn. The transmission screw 105 is threadedly connected to the transmission head 210, and the transmission screw 105 will drive the glue coating transmission base 2 to move through the transmission head 210, and the glue coating transmission base 2 will drive the glue coating head 3 to move together, thereby performing the gluing operation.

[0038] When the glue coating machine head 3 needs to be maintained and repaired later, the transmission cylinder 404 is started first. The transmission cylinder 404 will drive the transmission column 407 to move through the transmission support 406, and the transmission connection between the transmission joint B409 on one side of the transmission column 407 and the transmission joint A402 will be disconnected. At this time, the transmission motor 411 will be disengaged from the transmission of the transmission screw 105, and then the fixing screws between the fixed joint 303 on the glue coating machine head 3 and the glue coating transmission seat 2 are disassembled to release the fixation between the glue coating machine head 3 and the glue coating transmission seat 2, and the contact between the detection block 302 and the sliding bracket 206 will also be disengaged. The sliding bracket 206 will move downward under the drive of the spring, and the sliding bracket 206 will drive the limiting block 207 to move to the inside of the fixing hole 204. The glue coating machine head 3 is disassembled and cleaned, and the glue nozzle on the glue coating machine head 3 is repaired and maintained.

[0039] When the glue coating machine head 3 has completed maintenance and inspection, the fixing joint 303 on the top of the glue coating machine head 3 is inserted into the fixing groove 203. When the glue coating machine head 3 and the glue coating transmission seat 2 are fully fitted, the detection plug 302 will simultaneously touch the sliding bracket 206, and the sliding bracket 206 will move upward. The sliding bracket 206 will drive the limiting block 207 to disengage from the fixing hole 204. When the four groups of detection plugs 302 all touch the sliding bracket 206 to move, the limiting blocks 207 will all release the restrictions on the fixing holes 204, so that they can be inserted into the fixing joints 303 through the fixing screws to cooperate with the fixing holes 204 for installation and fixation. In this case, it means that the glue coating machine head 3 and the glue coating transmission seat 2 are fully fitted.

[0040] Moreover, when the glue coating head 3 and the glue coating transmission seat 2 are completely fitted together, the upward movement of the sliding bracket 206 will drive the trigger head 208 to touch the proximity switch 209, so that the proximity switch 209 is triggered. At this time, the proximity switch 209 will send a signal to the printer. When the printer receives the signal sent by the proximity switch 209, it will start the transmission cylinder 404, so that the transmission cylinder 404 drives the transmission sliding frame 405 to move, so that the transmission between the transmission joint A402 and the transmission joint B409 is connected, and the installation position of the glue coating head 3 is further detected.

[0041] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A glue coating mechanism for bonding 3D printing molding sand, characterized in that: include: A glue coating machine base (1), wherein the shape of the glue coating machine base (1) is a rectangular base structure design, and a glue coating transmission base (2) is slidably arranged at the bottom of the glue coating machine base (1); a glue coating machine head (3) is fixedly installed at the bottom of the glue coating transmission base (2); a mounting frame (4) is fixedly installed at one end of the glue coating machine base (1); the glue coating machine base (1) also includes: a glue coating slide groove (101), the shape of the glue coating slide groove (101) is a rectangular groove structure design, and the glue coating slide groove (101) is opened at the bottom of the glue coating machine base (1); a mounting bracket (102), the shape of the mounting bracket (102) is an arc frame structure design, and the number of the mounting brackets (102) is set to four, and the mounting brackets (102) are symmetrically fixedly arranged at the bottom of both ends of the glue coating machine base (1); a supply connection base (103), the supply connection base (103) is fixedly installed on the side of one end of the glue coating machine base (1); The glue transmission seat (2) further comprises: a detection slot (205), the detection slot (205) is designed in the shape of a rectangular slot structure, and the number of the detection slots (205) is set to four, and the detection slots (205) are symmetrically arranged at the bottom of the glue transmission seat (2); a sliding bracket (206), the sliding bracket (206) is designed in the shape of an L-shaped bracket structure, and the number of the sliding bracket (206) is set to four, and the sliding bracket (206) is symmetrically slidably arranged inside the glue transmission seat (2); the glue transmission seat (2) and the sliding bracket (206) are connected to each other. A spring is installed between the movable bracket (206); a limiting block (207) is shaped like a rectangular block structure, and an arc groove is opened on one side of the bottom of the limiting block (207), and the limiting block (207) is integrally arranged at the bottom of one end of the sliding bracket (206); the bottom of the other end of the sliding bracket (206) is slidably connected to the detection slot (205); a trigger head (208) is shaped like an arc head structure, and the trigger head (208) is integrally arranged on one side of the sliding bracket (206).

2. A glue coating mechanism for bonding 3D printing molding sand as claimed in claim 1, characterized in that: The glue coating machine base (1) further comprises: a protective cover (104), which is installed on one side of the supply connection base (103); and a transmission screw (105), which is rotatably arranged inside the glue coating machine base (1).

3. A glue coating mechanism for bonding 3D printing molding sand as claimed in claim 2, characterized in that: The glue coating transmission seat (2) further comprises: a connecting side seat (201), the connecting side seat (201) is shaped in an L-shaped seat structure design, and the connecting side seat (201) is installed and fixedly arranged on one side of the glue coating transmission seat (2); a fixing groove (203), the fixing groove (203) is shaped in an arc-shaped groove structure design, and the number of the fixing grooves (203) is set to two, and the fixing grooves (203) are symmetrically arranged on both sides of the glue coating transmission seat (2); and a fixing hole (204), the fixing hole (204) is shaped in a threaded hole structure design, and the fixing hole (204) is arranged inside the fixing groove (203).

4. A glue coating mechanism for bonding 3D printing molding sand as claimed in claim 3, characterized in that: The glue coating transmission seat (2) further comprises: a connection cover (202), the connection cover (202) being installed on one side of the connection side seat (201); one end of the connection cover (202) is connected to and communicates with the protective cover (104).

5. A glue coating mechanism for bonding 3D printing molding sand as claimed in claim 4, characterized in that: The gluing transmission seat (2) further comprises: a proximity switch (209), the number of which is set to four, and the proximity switches (209) are symmetrically installed inside the gluing transmission seat (2); a transmission head (210), the transmission head (210) is fixedly installed on the top of the gluing transmission seat (2), and the transmission head (210) is threadedly connected to the transmission screw (105).

6. A glue coating mechanism for bonding 3D printing molding sand as claimed in claim 1, characterized in that: The glue coating machine head (3) comprises: a fixing seat (301), the fixing seat (301) is designed in the shape of a rectangular seat structure, and the fixing seat (301) is integrally arranged on the top of one end of the glue coating machine head (3); a detection plug (302), the detection plug (302) is designed in the shape of a rectangular block structure, and the number of the detection plugs (302) is set to four, and the detection plugs (302) are symmetrically arranged on the top of the fixing seat (301); a fixing joint (303), the number of the fixing joints (303) is set to two, and the fixing joints (303) are symmetrically arranged on the top of the fixing seat (301); the fixing joint (303) is consistent with the fixing groove (203), and the fixing joint (303) is fixedly connected to the fixing hole (204).

7. A glue coating mechanism for bonding 3D printing molding sand as claimed in claim 1, characterized in that: The mounting frame (4) further comprises: a connecting bracket (401), the connecting bracket (401) being integrally arranged at one end of the mounting frame (4); a transmission joint A (402), the transmission joint A (402) being in the shape of a round head structure, and a transmission tooth being provided on one side of the transmission joint A (402), the transmission joint A (402) being rotatably arranged at one side of the connecting bracket (401); a transmission connection between one side of the transmission joint A (402) and one end of the transmission screw (105); and a matching bracket (403), the number of the matching brackets (403) being set to two, and the matching brackets (403) being symmetrically integrally arranged. The mounting frame (4) is arranged at the upper and lower ends; a transmission cylinder (404) is fixedly installed in the matching bracket (403); a transmission sliding frame (405) is designed in the shape of a circular frame structure, and the transmission sliding frame (405) is slidably arranged on one side of the mounting frame (4); a transmission support (406) is arranged in two in number, and the transmission support (406) is symmetrically arranged at the upper and lower ends of the transmission sliding frame (405); and the transmission support (406) is fixedly connected to one end of the piston rod of the transmission cylinder (404).

8. A glue coating mechanism for bonding 3D printing molding sand as claimed in claim 7, characterized in that: The mounting frame (4) further comprises: a transmission column (407), the transmission column (407) being shaped like a circular column structure and being rotatably arranged inside the transmission sliding frame (405); a matching column (408), the matching column (408) being shaped like a hexagonal column structure and being integrally arranged on one side of the transmission column (407); a transmission joint B (409), the transmission joint B (409) being shaped like a circular structure and having a transmission tooth on one side of the transmission joint B (409), and the transmission joint B (409) being fixedly arranged on one side of the transmission column (407); the transmission tooth of the transmission joint B (409) being rotatably arranged on the transmission joint A ( 402); a fixed side frame (410), the number of the fixed side frames (410) is set to two, and the fixed side frames (410) are symmetrically arranged on both sides of the mounting frame (4); the fixed side frame (410) is fixedly connected to the glue coating machine base (1) by fixing screws; a transmission motor (411), the transmission motor (411) is installed inside the mounting frame (4); a hexagonal groove is opened at one end of the rotating shaft of the transmission motor (411), and the hexagonal groove of the transmission motor (411) is slidably connected to the matching column (408); the transmission motor (411), the proximity switch (209), and the transmission cylinder (404) are all electrically connected to the printer.

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