CN115921781B - Shower nozzle belt cleaning device of sand mould 3D printer - Google Patents
Shower nozzle belt cleaning device of sand mould 3D printer Download PDFInfo
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- CN115921781B CN115921781B CN202310034734.0A CN202310034734A CN115921781B CN 115921781 B CN115921781 B CN 115921781B CN 202310034734 A CN202310034734 A CN 202310034734A CN 115921781 B CN115921781 B CN 115921781B
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- cleaning tank
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- slider
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- 238000004140 cleaning Methods 0.000 title claims abstract description 231
- 239000004576 sand Substances 0.000 title claims abstract description 21
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 25
- 239000007921 spray Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010146 3D printing Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention belongs to the technical field of 3D printing, and provides a spray head cleaning device of a sand mold 3D printer. According to the spray head cleaning device, on one hand, only when the cleaning assembly works, the cleaning port can be opened, so that dust generated in the sanding process can be greatly reduced to fall into the first cleaning tank and the second cleaning tank; on the other hand, the sponge is firstly cleaned in the first cleaning tank, and then the cleaned sponge is soaked in the second cleaning tank, so that the cleaning liquid in the second cleaning tank does not need to be frequently replaced, the sponge used for cleaning the spray head is always clean, the spray head is not easy to be blocked, and finally the replacement frequency of the cleaning liquid is greatly reduced, thereby reducing the production cost of enterprises.
Description
Technical Field
The invention relates to the technical field of 3D printing, in particular to a spray head cleaning device of a sand mold 3D printer.
Background
In the sand mold 3D printing process, the spray heads need to be cleaned regularly so as to keep smooth and effective ink jet. The invention of application publication number CN105710294a discloses a 3D printing device for a box sand mold, which comprises a cleaning device (see the specification of the patent of the invention, paragraphs 0068-0069), and the cleaning device has the following problems: on one hand, the cleaning pool is of an open structure, and dust generated by the sand spreader in the working process can fall into the cleaning pool, so that cleaning liquid can be polluted quickly; on the other hand, after the cleaning bar cleans the head, the cleaning bar becomes dirty, the dirty cleaning bar is cleaned by the cleaning liquid in the cleaning tank, which further causes the cleaning liquid to become dirty, and the use of such a cleaning bar to clean the head easily causes the head to be clogged. For both reasons, the cleaning solution needs to be replaced frequently, thereby increasing the production cost of the enterprise.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the spray head cleaning device of the sand mold 3D printer, so as to reduce the replacement frequency of cleaning liquid and further reduce the production cost of enterprises.
In order to achieve the above object, the present invention provides a shower nozzle cleaning device of a sand mold 3D printer, comprising: the shell is internally provided with a hollow cavity, and the top of the shell is provided with a cleaning opening; the sliding seat is arranged in the cavity and can move back and forth along the extending direction of the cleaning opening; the cleaning assembly comprises a first connecting block and a sponge arranged on the first connecting block, and the sponge can rotate out of the cavity and is at least partially positioned above the cleaning opening; the rotating device is arranged on the sliding seat and used for driving the sponge in the cleaning assembly to rotate; the transverse moving device is arranged in the cavity and used for driving the sliding seat to move back and forth; the first cleaning tank is arranged in the cavity in a lifting manner and is positioned below the cleaning port; the lifting device is arranged in the cavity and used for driving the first cleaning tank to lift; the second cleaning tank is fixedly arranged in the cavity and is positioned below the cleaning port; the cover plate can be opened or cover the cleaning port; and an opening and closing device for driving the cover plate to open or cover the cleaning opening.
Further, the slide seat is slidably connected with the housing, and the traversing device includes: the first screw rod is rotatably arranged in the cavity, passes through the sliding seat and is in threaded connection with the sliding seat; the first motor is used for driving the first screw rod to rotate; the rotating device includes: the gear ring is rotatably arranged on the sliding seat and is coaxially arranged with the first screw rod, and the gear ring is connected with the first connecting block; the gear is rotatably arranged on the sliding seat and meshed with the gear ring; and the second motor is arranged on the sliding seat and used for driving the gear to rotate.
Further, be provided with two relatively along the mounting panel of longitudinal distribution in the casing, first washing tank sets up two between the mounting panel, and with mounting panel sliding connection, elevating gear includes: the second connecting block is arranged on the outer wall of the first cleaning tank; a first guide member provided at an upper end of the mounting plate; the first sliding block is arranged at the upper end of the mounting plate and slides transversely; one end of the first rope is connected with the second connecting block, and the other end of the first rope bypasses the first guide piece and is connected with the first sliding block; the first deflector rod is arranged on the sliding seat, and can be contacted with the first sliding block and drive the first sliding block to slide on the mounting plate.
Further, the device also comprises a squeezing device, wherein the squeezing device comprises: the second screw is rotatably arranged on the side wall of the first cleaning tank; the third motor is used for driving the second screw rod to rotate; the third connecting block is sleeved outside the second screw rod and is in threaded connection with the second screw rod; and the filter plate is arranged at the upper end of the first cleaning tank in a sliding manner and is also connected with the third connecting block.
Further, the filter sheet includes: the main body part is provided with a water filtering hole and is positioned in the first cleaning tank; and the connecting parts are respectively arranged at two ends of the main body part, the connecting parts are in sliding connection with the first cleaning tank, and one connecting part is fixedly connected with the third connecting block.
Further, the opening/closing device includes: the second sliding block is arranged on the shell in a sliding manner; the second guide piece is fixedly arranged on the shell, and one of the second guide piece and the second guide piece is respectively arranged at two ends of the cleaning opening; the second ropes are provided with two ropes, one end of each second rope is connected with one end part of one side of the cover plate, and the other end of each second rope bypasses one second guide piece and is connected with one end of the second sliding block; the second deflector rod is arranged on the sliding seat, can be contacted with the other end of the second sliding block and drives the second sliding block to slide on the shell; and the reset mechanism is connected with the other side of the cover plate and is used for enabling the cover plate to have a trend of opening the cleaning opening.
Further, the reset mechanism includes: a third guide provided on a side wall of the housing; a guide cylinder disposed within the housing; the third sliding block is movably arranged in the guide cylinder; the pressure spring is arranged in the guide cylinder, one end of the pressure spring is abutted with one end part of the guide cylinder, and the other end of the pressure spring is abutted with the third sliding block; and one end of the third rope is connected with the cover plate, and the other end of the third rope bypasses the third guide piece and is connected with the third sliding block.
The invention has the beneficial effects that: according to the spray head cleaning device of the sand mold 3D printer, on one hand, only when the cleaning assembly works, the cleaning port can be opened, so that dust generated in the sand paving process can be greatly reduced from falling into the first cleaning tank and the second cleaning tank; on the other hand, the sponge is firstly cleaned in the first cleaning tank, and then the cleaned sponge is soaked in the second cleaning tank, so that the cleaning liquid in the second cleaning tank does not need to be frequently replaced, the sponge used for cleaning the spray head is always clean, the spray head is not easy to be blocked, and finally the replacement frequency of the cleaning liquid is greatly reduced, thereby reducing the production cost of enterprises.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a perspective view of a cleaning device for a nozzle of a sand mold 3D printer according to an embodiment of the present invention, and in fig. 1, sponge extends out of a cleaning port;
fig. 2 is a perspective view of a cleaning device for a nozzle of a sand mold 3D printer according to an embodiment of the present invention, and in fig. 2 sponge is held in a housing;
FIG. 3 is a perspective view of a portion of the structure of FIG. 2;
FIG. 4 is a perspective view of a portion of the structure of FIG. 3;
fig. 5 is a perspective view of the first cleaning tank, the lifting device and the pressing device assembled together;
FIG. 6 is a perspective view of a second slider;
FIG. 7 is a schematic view of the structure of the guide cylinder, the third slider, the compression spring and the third rope assembled together;
reference numerals:
10. a housing; 11. a cavity; 12. a cleaning port; 13. a mounting plate; 14. a slide rail; 20. a slide; 21. a circular groove; 30. cleaning the assembly; 31. a first connection block; 32. a sponge; 51. a first screw; 52. a first motor; 53. a gear ring; 54. a gear; 55. a second motor; 61. a first cleaning tank; 62. a second cleaning tank; 71. a second connection block; 72. a first guide; 73. a first slider; 74. a first rope; 75. a first deflector rod; 81. a cover plate; 82. a second slider; 83. a second guide; 84. a second rope; 85. a second deflector rod; 86. a third guide member; 87. a guide cylinder; 871. a first cylinder; 872. a second cylinder; 873. a third slider; 874. a pressure spring; 88. a third rope; 91. a second screw; 92. a third motor; 93. a third connecting block; 94. a filter plate; 941. a main body portion; 942. and a connecting part.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
As shown in fig. 1 to 7, the present embodiment provides a shower nozzle cleaning apparatus of a sand mold 3D printer, which includes a housing 10, a slide 20, a cleaning assembly 30, a rotating device, a traversing device, a first cleaning tank 61, a lifting device, a second cleaning tank 62, a cover plate 81, and an opening and closing device.
The casing 10 is rectangular in shape and is provided with a hollow cavity 11, a cleaning opening 12 is formed in the middle of the top of the casing 10, the cleaning opening 12 extends along the length direction of the casing 10, the cross section of the cleaning opening 12 is rectangular, and the top wall of the casing 10 is completely penetrated by the cleaning opening 12.
The cleaning assembly 30 includes a first connecting block 31 and a sponge 32 fixedly provided on the first connecting block 31, the sponge 32 is fixed on the first connecting block 31 by means of adhesion, clamping or the like, the shape of the sponge 32 is rectangular, and preferably the length of the sponge 32 is smaller than or equal to the width of the cleaning opening 12, so that the sponge 32 can pass through the cleaning opening 12 without being extruded. The cleaning assembly 30 is configured to rotate, and when not in operation, the cleaning assembly 30 is entirely located within the cavity 11, and when in operation, the sponge 32 can rotate out of the cavity 11, and at least a portion of the sponge 32 is located above the cleaning opening 12, so that the portion of the sponge 32 can contact the spray head, thereby cleaning the spray head.
The slide 20 is movably disposed in the cavity 11 and moves back and forth in the extending direction of the cleaning port 12, and preferably the slide 20 is located directly under the cleaning port 12. The slide 20 is provided with a rotating device for driving the sponge 32 to rotate, in fact, the first connecting block 31 is driven to rotate, so that the first connecting block 31 drives the sponge 32 to rotate together. A traversing device is installed in the cavity 11, and the traversing device is used for driving the sliding seat 20, so that the sliding seat 20 can do reciprocating linear motion.
The first cleaning tank 61 and the second cleaning tank 62 are both disposed in the chamber 11 and are both located under the cleaning port 12, and it is preferable that the first cleaning tank 61 and the second cleaning tank 62 are both located directly under the cleaning port 12. The first cleaning tank 61 and the second cleaning tank 62 both contain a certain amount of cleaning liquid, wherein the cleaning liquid in the first cleaning tank 61 is mainly used for cleaning the sponge 32, and when a certain number of cleaning times is reached, the cleaning liquid in the first cleaning tank 61 can be replaced. The cleaning solution in the second cleaning tank 62 is mainly used for soaking the cleaned sponge 32, and the cleaning solution in the second cleaning tank 62 is cleaner than the cleaning solution in the first cleaning tank 61, so that the replacement period is longer. As for the replacement of the cleaning liquid in the first cleaning tank 61 and the second cleaning tank 62, the automatic water intake and drainage can be achieved by providing the water intake pipe and the water drainage pipe on the first cleaning tank 61 and the second cleaning tank 62, and since the water intake and drainage are the prior art, the description thereof will not be repeated here. The first cleaning tank 61 is liftably provided in the chamber 11, the first cleaning tank 61 is lifted by a lifting device installed in the chamber 11, and the second cleaning tank 62 is fixedly provided in the chamber 11. The first cleaning tank 61 and the second cleaning tank 62 may be disposed adjacently or at a distance in parallel to the extending direction (i.e., the longitudinal direction) of the cleaning port 12, and it is preferable that the first cleaning tank 61 and the second cleaning tank 62 are disposed at both ends in the extending direction of the cleaning port 12, respectively.
The cover 81 is provided to be movable so as to open or cover the washing port 12 by being driven by the opening and closing device. The cover 81 may be provided outside the housing 10 or may be provided in the cavity 11 inside the housing 10, and preferably the cover 81 is mounted inside the housing 10.
In this embodiment, the sponge 32 in the cleaning assembly 30 can be rotated to the upper side of the cleaning opening 12 by the rotating device, then the cleaning of the spray head is realized under the driving of the traversing device, after the cleaning is finished, the sponge 32 is rotated back into the cavity 11, when the sponge 32 is positioned right above the first cleaning tank 61, the lifting device lifts the first cleaning tank 61, so that the sponge 32 contacts with the cleaning liquid in the first cleaning tank 61, for example, by lifting the first cleaning tank 61 a plurality of times, a better cleaning effect on the sponge 32 is realized, after the cleaning is finished, the first cleaning tank 61 is lowered, then the sponge 32 is moved into the second cleaning tank 62, and because the sponge 32 can be extruded, in the process of moving the sponge 32 into the second cleaning tank 62, the sponge 32 contacts with the side wall of the second cleaning tank 62 first, then the sponge 32 is extruded and deformed, so that the sponge 32 can smoothly enter into the second cleaning tank 62, and after entering, the cleaning liquid can contact with the second cleaning tank 62. The sponge 32 is immersed in the second cleaning tank 62 until the next cleaning operation of the cleaning assembly 30, and the opening and closing device moves the cover 81 to a position where the cleaning port 12 is kept closed.
With the above arrangement, on the one hand, only when the cleaning assembly 30 is operated, the cleaning port 12 is opened, so that dust generated in the sanding process can be greatly reduced from falling into the first cleaning tank 61 and the second cleaning tank 62; on the other hand, the sponge 32 is first cleaned in the first cleaning tank 61, and then the cleaned sponge 32 is soaked in the second cleaning tank 62, so that the cleaning liquid in the second cleaning tank 62 does not need to be replaced frequently, and the sponge 32 for cleaning the spray head is always kept clean, and the blockage of the spray head is not easy to cause. In conclusion, the replacement frequency of the cleaning liquid is greatly reduced, so that the production cost of enterprises is reduced.
In one embodiment, the slide 20 is slidably connected to the housing 10, specifically, since the upper portion of the slide 20 is the cleaning port 12 and the lower portion is the first cleaning tank 61 and the second cleaning tank 62, the slide 20 is adapted to be slidably connected to the housing 10 in the left-right direction in fig. 3. The traversing device comprises a first screw rod 51 and a first motor 52, wherein the first screw rod 51 is rotatably arranged in the cavity 11, the first screw rod 51 penetrates through the sliding seat 20 and is in threaded connection with the sliding seat 20, and preferably the first screw rod 51 is arranged in parallel with the cleaning port 12 and is positioned right below the cleaning port 12. A first motor 52 is mounted in the housing 10 to drive the first screw 51 in rotation, either directly or indirectly. The rotation means comprises a ring gear 53, a gear 54 and a second motor 55. The ring gear 53 is rotatably provided on the slide 20 and coaxially provided with the first screw 51, and preferably the ring gear 53 is a ring gear 53, and a circular groove 21 is provided on the slide 20, and the ring gear 53 is fitted into the circular groove 21, and of course, a structure for preventing the ring gear 53 from slipping out of the circular groove 21 is also provided on the slide 20. The first connecting block 31 is fixedly provided on the end face of the ring gear 53 by screwing, clamping or bonding, etc., so that the first connecting block 31 rotates together with the ring gear 53. A gear 54 is rotatably provided on the carriage 20 and is located in the circular recess 21, the gear 54 being engaged with the gear ring 53, the gear 54 being driven by a second motor 55 mounted on the carriage 20, whereby rotation of the gear 54 drives rotation of the gear ring 53. In this embodiment, the traversing device has the advantage of compact structure, and the rotating device is mounted on the sliding seat 20, and the working of the rotating device does not interfere with and collide with the traversing device, so that the overall structure formed by combining the traversing device and the rotating device still maintains the advantage of compact structure.
In one embodiment, two mounting plates 13 are disposed in the housing 10, and the two mounting plates 13 are disposed in parallel and are disposed on two sides of the first screw 51, respectively. The first cleaning tank 61 is located between the two mounting plates 13 and is slidably connected to the two mounting plates 13 in a longitudinal direction.
The lifting device comprises a second connecting block 71, a first guiding piece 72, a first sliding block 73, a first rope 74 and a first deflector 75, and preferably a lifting device is respectively arranged at two sides of the first cleaning tank 61, so that the first cleaning tank 61 is stressed more uniformly in the lifting process, and the lifting process is smoother and more reliable. The second connection block 71 is fixedly provided on the outer wall of the first cleaning tank 61, and preferably the second connection block 71 is mounted at the lower end of the outer wall of the first cleaning tank 61. The first guide 72 is mounted on the upper end of the mounting plate 13, and the first guide 72 may be a simple guide bar or a guide wheel, and preferably the first guide 72 is located directly above the second connection block 71. The first slider 73 is also mounted on the upper end of the mounting plate 13 and is slidably connected to the mounting plate 13, and the first slider 73 slides on the mounting plate 13 in the lateral direction in parallel with the axial direction of the first screw 51. The first rope 74 has a lower end connected to the second connection block 71 and an upper end connected to the first slider 73 after bypassing the first guide 72. The first deflector rod 75 is fixedly arranged on the slide 20 and extends for a certain length along the transverse direction, and the first deflector rod 75 can be contacted with the first slider 73 in the process of moving along with the slide 20 and drives the first slider 73 to slide on the mounting plate 13.
In this embodiment, before the first deflector 75 is not contacted with the first slider 73, the first cleaning tank 61 is at the lowest working position under the action of gravity, and after the first deflector 75 contacts with the first slider 73, the first deflector 75 pushes the first slider 73 to slide on the mounting plate 13, so that the first cleaning tank 61 is lifted up by the traction of the first rope 74. With further movement of the carriage 20 and further lifting of the first cleaning tank 61, the sponge 32 enters into the first cleaning tank 61 and contacts with the cleaning liquid in the first cleaning tank 61 until it is immersed to a certain depth, and by moving the carriage 20 back and forth within a certain range, the sponge 32 repeatedly enters into and separates from the cleaning liquid, thereby having a certain cleaning effect on the sponge 32. The lifting action of the lifting device is realized skillfully by means of the force of the traversing device for moving the sliding seat 20, so that an additional lifting power source is not required to be installed, the cost of the lifting power source can be reduced on one hand, and the reliability of the lifting device is improved on the other hand.
In one embodiment, an extruding device for extruding the sponge 32 is further included, and the extruding device includes a second screw 91, a third motor 92, a third connection block 93, and a filter plate 94. The second screw 91 is rotatably provided on the side wall of the first cleaning tank 61, and the second screw 91 is preferably mounted on the outer end of the side wall of the first cleaning tank 61, and the third motor 92 is also mounted on the outer end of the side wall of the first cleaning tank 61 and is used for driving the second screw 91 to rotate. The third connecting block 93 is sleeved outside the second screw 91 and is in threaded connection with the second screw 91. A filter plate 94 having a water filtering hole is slidably disposed at the upper end or top of the first cleaning tank 61, and the filter plate 94 is fixedly connected with the third connection block 93.
In the process of cleaning the sponge 32, the filter plate 94 in the extruding device is firstly moved to one end of the first cleaning tank 61 far away from the sliding seat 20, which ensures that the filter plate 94 is not contacted with the cleaning component 30 or interferes with the cleaning component 30, when the sponge 32 is cleaned, the filter plate 94 is moved to a certain distance in a direction close to the sliding seat 20, then the sliding seat 20 is moved to a direction enabling the first cleaning tank 61 to be lifted, so that the sponge 32 is contacted with the filter plate 94 at the upper end of the first cleaning tank 61, the sponge 32 is gradually extruded along with the further movement of the sliding seat 20, and dirty cleaning liquid in the sponge 32 is extruded mostly, and then the sliding seat 20 is moved to the opposite direction. Since the sponge 32 is also moving laterally during contact with the filter plate 94, it is preferable that the width of the filter plate 94 is greater than the width of the sponge 32, ensuring that the sponge 32 is always in contact with the surface of the filter plate 94 during extrusion, and that no portion of the sponge 32 is not in contact with the surface of the filter plate 94, thereby ensuring the extrusion effect on the sponge 32. Through setting up extrusion device, can extrude the washing liquid that most is dirty in the sponge 32, remove sponge 32 again and soak in the second washing tank 62 to under the prerequisite that keeps the change frequency of washing liquid in the first washing tank 61 unchanged, can reduce the change frequency of washing liquid in the second washing tank 62, and then further reduce the manufacturing cost of enterprise.
In one embodiment, the filter plate 94 includes a main body 941 and a connection portion 942, where the main body 941 is located in the first cleaning tank 61, that is, the main body 941 is spaced apart from the top surface of the first cleaning tank 61 by a certain distance, and of course, the distance is designed to be smaller, and the length of the main body 941 is equal to or less than the width of the first cleaning tank 61. Two ends of the main body portion 941 are respectively provided with a connecting portion 942, the connecting portion 942 is integrally connected with the main body portion 941, the connecting portion 942 is 7-shaped, a longitudinal portion of the connecting portion 942 is connected with the main body portion 941, a transverse portion of the connecting portion 942 is slidably connected with the first cleaning tank 61, and a transverse portion of one connecting portion 942 is fixedly connected with the third connecting block 93. With the above arrangement, in the process of squeezing the cleaning liquid in the sponge 32, since the main body portion 941 of the filter plate 94 is located in the first cleaning tank 61, the squeezed cleaning liquid does not flow out of the first cleaning tank 61, ensuring the cleanliness in the housing 10, and reducing the loss of the cleaning liquid in the first cleaning tank 61.
In one embodiment, the opening and closing device includes a second slider 82, a second guide 83, a second cord 84, a second lever 85, and a return mechanism. The second slider 82 is provided on the housing 10, and since the cover plate 81 is mounted inside the housing 10 in the foregoing embodiment, the second slider 82 is also preferably provided inside the housing 10, specifically, slidably provided on the top inner wall of the housing 10, and the second slider 82 has a certain length, and preferably the length is larger than the width of the cleaning port 12. The second guide 83 is fixedly provided on the top inner wall of the housing 10, and one is provided at each end of the washing port 12, and the second guide 83 may be a guide bar or a guide wheel as in the first guide 72. The second ropes 84 are provided with two, and one end of each second rope 84 is connected to one end of one side of the cover plate 81, and the other end is connected to one end of the second slider 82 after bypassing one second guide 83, and the two second guides 83 are arranged in a staggered manner, so that a certain distance can be maintained after the other ends of the two second ropes 84 are connected to the second slider 82. The second deflector rod 85 is fixedly arranged on the slide 20 and extends for a certain length along the transverse direction, and the second deflector rod 85 can be contacted with the other end of the second slider 82 and drives the second slider 82 to slide on the shell 10. Furthermore, the slide 20 is preferably slidingly connected to the housing 10 by means of a second lever 85, in particular two parallel slide rails 14 are fixed to the inner wall of the top of the housing 10, the second lever 85 sliding between the two slide rails 14. A reset mechanism is connected to the other side of the cover plate 81 for causing the cover plate 81 to have a tendency to open the cleaning port 12.
In this embodiment, before the second deflector 85 is not contacted with the second slider 82, under the action of the reset mechanism, the cover plate 81 does not cover the cleaning opening 12, the cleaning opening 12 is in an open state, and when the second deflector 85 contacts with the second slider 82 during the sliding process of the slide carriage 20 in a direction approaching to the second cleaning tank 62, the second deflector 85 drives the second slider 82 to slide, and the cover plate 81 gradually covers the cleaning opening 12 by traction of the second rope 84, and when the sponge 32 completely moves into the second cleaning tank 62, the cover plate 81 completely covers the cleaning opening 12. Since the first screw 51 is in threaded connection with the slide 20, and has a self-locking function, the cover plate 81 will not move as long as the slide 20 does not move.
The opening and closing device in this embodiment skillfully uses the power of the traversing device to open or close the cover 81, and can reduce the number of power sources, reduce the cost, and make the operation reliability of the opening and closing device higher.
In one embodiment, the preferred reset mechanism includes two reset mechanisms respectively connected with two ends of the other side of the cover plate 81, and the reset mechanism includes a third guide 86, a guide cylinder 87, a third slider 873, a compression spring 874 and a third rope 88. The third guide 86 is provided on the inner side of the side wall of the housing 10, and preferably one third guide 86 is provided at each of the upper and lower ends of the inner side of the side wall of the housing 10, and the third guide 86 may be a guide bar or a guide wheel. The guide cylinder 87 is fixedly provided on the bottom of the housing 10, and the guide cylinder 87 includes a first cylinder 871 having a first inner diameter and a second cylinder 872 having a second inner diameter, the length of the first cylinder 871 being slightly smaller than the entire length of the guide cylinder 87, the first inner diameter being larger than the second inner diameter. The third slider 873 is movably disposed in the guide cylinder 87, the third slider 873 is cylindrical, the diameter of the third slider 873 is equal to or smaller than the first inner diameter, the compression spring 874 is directly disposed in the guide cylinder 87, one end of the compression spring 874 abuts against an end face of the second cylinder 872 of the guide cylinder 87, the other end abuts against the third slider 873, and the diameter of the third slider 873 is larger than the inner diameter of the compression spring 874. The upper end of the third rope 88 is connected to the cover plate 81, the lower end bypasses the two third guides 86 and is connected to the third slider 873, and the lower end of the third rope 88 passes through the second cylinder 872 and enters the first cylinder 871 and is connected to the third slider 873. When the pressure spring 874 is in the initial state, the cleaning port 12 is in the opened state, and the third rope 88 is in the proper tension state, and as the cover plate 81 covers the cleaning port 12, the third rope 88 pulls the third slider 873 to move in the first cylinder 871, so that the pressure spring 874 accumulates elastic potential energy.
In the resetting mechanism in the embodiment, the compression spring 874 is used as a key component of the resetting mechanism, the guide cylinder 87 is mounted at the bottom of the shell 10, and the compression spring 874 stretches and contracts on the bottom of the shell 10 in the transverse direction through the guiding and traction actions of the third guide piece 86 and the third rope 88. If the compression spring 874 is disposed on the sidewall of the housing 10 that is distributed along the vertical direction, the height of the housing 10 is higher on the premise of satisfying the telescopic displacement of the compression spring 874, so that the height of the housing 10 can be reduced by the above arrangement, so that the volume of the housing 10 is smaller.
In the description of the present invention, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. Shower nozzle belt cleaning device of sand mould 3D printer, its characterized in that includes:
the cleaning device comprises a shell (10), wherein a hollow cavity (11) is formed in the shell (10), and a cleaning opening (12) is formed in the top of the shell (10);
the sliding seat (20) is arranged in the cavity (11) and can move back and forth along the extending direction of the cleaning opening (12);
the cleaning assembly (30) comprises a first connecting block (31) and a sponge (32) arranged on the first connecting block (31), wherein the sponge (32) can rotate out of the cavity (11) and is at least partially positioned above the cleaning opening (12);
a rotating device arranged on the slide carriage (20) for driving the sponge (32) in the cleaning assembly (30) to rotate;
the transverse moving device is arranged in the cavity (11) and used for driving the sliding seat (20) to move back and forth;
a first cleaning tank (61), wherein the first cleaning tank (61) is arranged in the cavity (11) in a lifting manner and is positioned below the cleaning port (12);
the lifting device is arranged in the cavity (11) and used for driving the first cleaning tank (61) to lift;
a second cleaning tank (62), wherein the second cleaning tank (62) is fixedly arranged in the cavity (11) and is positioned below the cleaning port (12);
a cover plate (81), the cover plate (81) being openable or covering the cleaning port (12); and
and an opening/closing device for driving the cover plate (81) so that the cover plate (81) opens or covers the cleaning port (12).
2. The shower nozzle cleaning device of a sand mould 3D printer according to claim 1, wherein the slide carriage (20) is slidingly connected with the housing (10), the traversing device comprising:
the first screw rod (51) is rotatably arranged in the cavity (11), and the first screw rod (51) penetrates through the sliding seat (20) and is in threaded connection with the sliding seat (20); and
a first motor (52), wherein the first motor (52) is used for driving the first screw (51) to rotate;
the rotating device includes:
the gear ring (53) is rotatably arranged on the sliding seat (20) and is coaxially arranged with the first screw (51), and the gear ring (53) is connected with the first connecting block (31);
a gear (54), wherein the gear (54) is rotatably arranged on the sliding seat (20) and is meshed with the gear ring (53); and
and the second motor (55) is arranged on the sliding seat (20) and used for driving the gear (54) to rotate.
3. The shower nozzle cleaning device of a sand mold 3D printer according to claim 2, wherein two mounting plates (13) distributed along a longitudinal direction are relatively arranged in the housing (10), the first cleaning tank (61) is arranged between the two mounting plates (13) and is slidingly connected with the mounting plates (13), and the lifting device comprises:
a second connection block (71), the second connection block (71) being provided on an outer wall of the first cleaning tank (61);
a first guide (72), the first guide (72) being provided at the upper end of the mounting plate (13);
a first slider (73), wherein the first slider (73) is arranged at the upper end of the mounting plate (13) and slides along the transverse direction;
a first rope (74), wherein one end of the first rope (74) is connected with the second connecting block (71), and the other end of the first rope is connected with the first sliding block (73) after bypassing the first guide piece (72); and
the first deflector rod (75) is arranged on the sliding seat (20), and the first deflector rod (75) can be in contact with the first sliding block (73) and drives the first sliding block (73) to slide on the mounting plate (13).
4. A sand mould 3D printer nozzle cleaning apparatus as claimed in claim 3, further comprising a squeeze apparatus comprising:
a second screw (91), the second screw (91) being rotatably provided on a side wall of the first cleaning tank (61);
a third motor (92), the third motor (92) being used for driving the second screw (91) to rotate;
the third connecting block (93), the third connecting block (93) is sleeved outside the second screw (91) and is in threaded connection with the second screw (91); and
the filter plate (94), the filter plate (94) slides and sets up in the upper end of first washing tank (61), and still with third connecting block (93) are connected.
5. The shower head cleaning apparatus of a sand mold 3D printer as claimed in claim 4, wherein the filter plate (94) includes:
a main body portion (941), wherein a water filtering hole is formed in the main body portion (941), and the main body portion (941) is located in the first cleaning tank (61); and
the connecting parts (942), the connecting parts (942) are respectively provided with one at the both ends of the main body part (941), the connecting parts (942) are in sliding connection with the first cleaning tank (61), and one of the connecting parts (942) is also fixedly connected with the third connecting block (93).
6. The shower head cleaning apparatus of a sand mold 3D printer according to claim 1, wherein the opening and closing device includes:
a second slider (82), the second slider (82) being slidably disposed on the housing (10);
the second guide piece (83), the said second guide piece (83) is fixedly set up on said body (10), and there is one at both ends of the said cleaning port (12) separately;
the second ropes (84), the second ropes (84) are two, one end of each second rope (84) is connected with one end of one side of the cover plate (81), and the other end is connected with one end of the second sliding block (82) after bypassing one second guide piece (83);
the second deflector rod (85) is arranged on the sliding seat (20), and the second deflector rod (85) can be contacted with the other end of the second sliding block (82) and drives the second sliding block (82) to slide on the shell (10); and
and the reset mechanism is connected with the other side of the cover plate (81) and is used for enabling the cover plate (81) to have a trend of opening the cleaning port (12).
7. The shower head cleaning apparatus of a sand mold 3D printer of claim 6, wherein the reset mechanism comprises:
a third guide (86), the third guide (86) being provided on a side wall of the housing (10);
a guide cylinder (87), the guide cylinder (87) being disposed within the housing (10);
a third slider (873), the third slider (873) being movably arranged within the guide cylinder (87);
a compression spring (874), wherein the compression spring (874) is arranged in the guide cylinder (87), one end of the compression spring (874) is abutted with one end of the guide cylinder (87), and the other end is abutted with the third sliding block (873); and
and one end of the third rope (88) is connected with the cover plate (81), and the other end of the third rope (88) bypasses the third guide piece (86) and is connected with the third sliding block (873).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310034734.0A CN115921781B (en) | 2023-01-10 | 2023-01-10 | Shower nozzle belt cleaning device of sand mould 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310034734.0A CN115921781B (en) | 2023-01-10 | 2023-01-10 | Shower nozzle belt cleaning device of sand mould 3D printer |
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| CN115921781A CN115921781A (en) | 2023-04-07 |
| CN115921781B true CN115921781B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310034734.0A Active CN115921781B (en) | 2023-01-10 | 2023-01-10 | Shower nozzle belt cleaning device of sand mould 3D printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116604819B (en) * | 2023-05-10 | 2024-02-13 | 重庆金石智诚科技有限公司 | Shower nozzle cleaning device and cleaning method of sand mold 3D printer |
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| CN115921781A (en) | 2023-04-07 |
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Effective date of registration: 20231120 Address after: Room 101, unit 1, building 6, no.6, Langyue Road, Yubei District, Chongqing Applicant after: Chongqing Jinshi Zhicheng Technology Co.,Ltd. Address before: 402360 High and New Technology Industrial Development Zone, Wangu Town, Dazu District, Chongqing City (independent commitment) Applicant before: Chongqing Gaoxuan Technology Co.,Ltd. |
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