CN114472800A

CN114472800A - Resin sand mixer

Info

Publication number: CN114472800A
Application number: CN202210364399.6A
Authority: CN
Inventors: 郭敬文
Original assignee: Shandong Gongjiang Machinery Technology Co ltd
Current assignee: Shandong Gongjiang Machinery Technology Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-05-13
Anticipated expiration: 2042-04-08
Also published as: CN114472800B

Abstract

The application particularly relates to a resin sand mixer, which belongs to the field of resin sand casting and comprises a sand mixing cylinder, a first rotating cylinder and a second rotating cylinder which are sequentially connected in a ball joint mode, wherein a first lifting auger and a second lifting auger of a sand mixing auger are sequentially connected in the sand mixing cylinder in a ball joint mode; the horizontal driving mechanism is respectively connected with the first rotating cylinder and the sand mixing cylinder and used for driving the first rotating cylinder to rotate horizontally, and the vertical driving mechanism is respectively connected with the second rotating cylinder and the first rotating cylinder and used for driving the second rotating cylinder to rotate vertically. Through the work of driving horizontal drive mechanism or driving vertical drive mechanism, make first rotation section of thick bamboo horizontal rotation, the vertical rotation of second rotation section of thick bamboo, thereby remove resin sand roller mill export, the roller mill auger passes through drive mechanism and promotes the auger transmission tangential force to first promotion auger and second in proper order this moment, make first promotion auger and second promote the auger and can also rotate around its axial when keeping certain angle with the roller mill auger, and discharge the resin sand from the resin sand export.

Description

Resin sand mixer

Technical Field

The application relates to the field of resin sand casting, in particular to a resin sand mixer.

Background

The resin sand is used for casting, comprises molding sand, a curing agent and resin, and is mixed with the molding sand, the curing agent and the resin, so that the molding sand and the curing agent can be wrapped outside the molding sand to obtain the resin sand, then the resin sand is injected into a mold, and the resin sand is cured by self-hardening, heating or atomizing. The resin sand mixer is mainly used for mixing sand, and curing agents and resin are added while molding sand is stirred. However, the existing resin sand mixer cannot move the outlet of the existing resin sand mixer, so that the mould needs to be carried in the casting process, and the existing resin sand mixer is very inconvenient.

Disclosure of Invention

The application provides a resin sand roller mill, solves the technical problem that the resin sand roller mill export can't be removed in the prior art means.

A resin sand mixer, comprising:

the sand mixing cylinder is provided with a molding sand inlet, a sand mixing auger is arranged in the sand mixing cylinder, and the sand mixing auger is provided with a resin nozzle and a curing agent nozzle;

the first rotating cylinder is connected with the sand mixing cylinder ball, a first lifting packing auger is arranged in the first rotating cylinder, and the first lifting packing auger is connected with the sand mixing packing auger ball;

the two ends of the horizontal driving mechanism are respectively connected with the first rotating cylinder and the sand mixing cylinder and are used for driving the first rotating cylinder to rotate horizontally;

the second rotating cylinder is connected with one end ball of the first rotating cylinder, which is far away from the sand mixing cylinder, one end of the second rotating cylinder, which is far away from the first rotating cylinder, is provided with a resin sand outlet, a second lifting packing auger is arranged in the second rotating cylinder, and the second lifting packing auger is connected with one end ball of the first lifting packing auger, which is far away from the sand mixing packing auger;

the two ends of the vertical driving mechanism are respectively connected with the second rotating cylinder and the first rotating cylinder and used for driving the second rotating cylinder to rotate along a vertical plane;

the power mechanism is connected with one end of the sand mixing auger, which is far away from the first lifting auger;

and the transmission mechanism is arranged at the joint of the sand mixing auger, the first lifting auger and the second lifting auger and is used for driving the first lifting auger and the second lifting auger to rotate along the axial direction of the first lifting auger.

Optionally, the transmission mechanism includes:

the male disc is provided with a first telescopic cylinder, a first telescopic rod is arranged in the first telescopic cylinder, one end of the first telescopic rod is arranged along the first telescopic cylinder in a sliding mode, and a ball head is arranged at one end, away from the first telescopic cylinder, of the first telescopic rod;

a second telescopic cylinder is arranged on one side, facing the male disc, of the mother disc, a second telescopic rod is arranged in the second telescopic cylinder, one end of the second telescopic rod is arranged along the second telescopic cylinder in a sliding mode, a ball cavity is formed in one end, far away from the second telescopic cylinder, of the second telescopic rod, and the ball head is connected with the ball cavity;

wherein, the sand mixing auger, the first promotion auger with the both sides of the junction of second promotion auger are equipped with male plate and mother disc respectively.

Optionally, still be equipped with the inner tube in the muddy sand section of thick bamboo, the inner tube is located the mulling auger with mix between the sand section of thick bamboo, the mulling auger includes auger axle and auger blade, the inner tube orientation power unit's one end with auger axle swivelling joint, the orientation of inner tube power unit's terminal surface is equipped with planetary wheel mechanism, is used for driving the inner tube towards with auger axle opposite direction rotates.

Optionally, the orientation of inner tube the one end of molding sand entry is equipped with annular opening, the inside wall of inner tube is equipped with the link for connect annular open-ended axial both sides, annular opening with the molding sand entry corresponds, mix the inside wall of a sand section of thick bamboo be equipped with the leak protection ring that annular opening corresponds.

Optionally, the orientation of mixing a sand section of thick bamboo the one end slant of first a section of thick bamboo of rotating has a slope section of thick bamboo, be equipped with in the slope section of thick bamboo and connect the oblique axle, the sand mixing auger with first promotion auger is through connecting the oblique hub connection, and the junction all is equipped with drive mechanism.

Optionally, a resin channel and a curing agent channel are axially arranged inside the auger shaft, a resin annular spraying channel is arranged at one end of the resin channel, the resin nozzle is communicated with the resin annular spraying channel, a resin inlet is arranged at the other end of the resin channel, a curing agent annular spraying channel is arranged at one end of the curing agent channel, the curing agent nozzle is communicated with the curing agent annular spraying channel, a curing agent inlet is arranged at the other end of the curing agent channel, a first snap ring and a second snap ring are respectively arranged at two ends of the auger shaft, which are positioned at the resin inlet and the curing agent inlet, a feeding mechanism is arranged between the first snap ring and the second snap ring, the feeding mechanism comprises a feeding ring seat, and a resin annular injection channel and a curing agent annular injection channel are respectively arranged inside the feeding ring seat along the axial direction, the annular resin injection channel is communicated with the resin inlet, the annular curing agent injection channel is communicated with the curing agent inlet, a resin injection pipe and a curing agent injection pipe are arranged on the outer peripheral side of the feeding ring seat, the resin injection pipe is communicated with the annular resin injection channel, and the curing agent injection pipe is communicated with the annular curing agent injection channel.

Optionally, the auger blade includes transport blade, resin sand mixing blade and the curing agent sand mixing blade that sets gradually along direction of delivery, the resin spout is located transport blade with between the resin sand mixing blade, the curing agent spout is located the resin sand mixing blade with between the curing agent sand mixing blade.

Optionally, an inter-barrel bearing is further arranged between the sand mixing barrel and the inner barrel.

Optionally, mix a sand section of thick bamboo orientation the one end of a first section of thick bamboo of rotating is equipped with outer spherical shell, outer spherical shell orientation one side of a first section of thick bamboo of rotating is equipped with the opening, the orientation of a first section of thick bamboo of rotating interior spherical shell is located to the one end of a mixed sand section of thick bamboo, interior spherical shell orientation one side of a mixed sand section of thick bamboo is equipped with the opening, the external diameter of interior spherical shell equals the internal diameter of outer spherical shell, first promotion auger is located the one end of interior spherical shell is connected with auger in the ball, the external diameter of auger in the ball with the inside shape matching of interior spherical shell.

Optionally, the second promotes the auger and is equipped with the auger support column towards the one end of first support auger, the auger support column is kept away from the second promote the one end of auger with a section of thick bamboo butt is rotated to the second for support the second and support the auger, reduce the second and support the auger and rotate the frictional force between the section of thick bamboo with the second.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

work through driving horizontal drive mechanism or driving vertical drive mechanism, the horizontal contained angle of adjustment muddy sand section of thick bamboo and first rotation section of thick bamboo, or the contained angle of the vertical direction of first rotation section of thick bamboo and second rotation section of thick bamboo, make first rotation section of thick bamboo horizontal rotation, the vertical rotation of second rotation section of thick bamboo, thereby remove resin sand roller mill export, at this moment, in the inside of mixing sand section of thick bamboo and first rotation section of thick bamboo, the mulling auger is connected with first promotion auger ball, the mulling auger passes through drive mechanism and promotes the auger transmission tangential force to first promotion auger and second in proper order, make first promotion auger and second promote the auger can keep certain angle with the mulling auger and can also rotate around its axial, and discharge the resin sand from the resin sand export.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a resin sand mixer provided in an embodiment of the present application;

FIG. 2 is a schematic diagram of an internal structure of a resin sand mixer provided in an embodiment of the present application;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is an exploded schematic view of a resin sand mixer provided in an embodiment of the present application;

FIG. 5 is a schematic axial sectional structure view of a sand mixing auger provided in the embodiment of the present application;

FIG. 6 is an enlarged view of area B of FIG. 5;

FIG. 7 is a schematic view of a radial multi-section structure of a sand mixing auger provided in an embodiment of the present application;

FIG. 8 is an enlarged view of area C of FIG. 7;

FIG. 9 is an enlarged view of area D of FIG. 7;

FIG. 10 is an enlarged view of area E in FIG. 7;

FIG. 11 is a schematic view of an assembly structure of the sand mulling auger, the first lifting auger and the second lifting auger provided in the embodiment of the present application;

fig. 12 is a schematic structural diagram of a transmission mechanism provided in an embodiment of the present application.

Reference numerals:

1-sand mixing cylinder, 11-sand inlet, 12-sand mixing auger, 121-auger shaft, 1211-resin nozzle, 1212-curing agent nozzle, 1213-resin channel, 12131-resin annular ejection channel, 12132-resin inlet, 1214-curing agent channel, 12141-curing agent annular ejection channel, 12142-curing agent inlet, 1215-first snap ring, 1216-second snap ring, 122-auger blade, 1221-conveying blade, 1222-resin sand mixing blade, 1223-curing agent sand mixing blade, 123-feeding mechanism, 1231-feeding ring seat, 1232-resin annular injection channel, 1233-curing agent annular injection channel, 1234-resin injection tube, 1235-curing agent injection tube, 1236-thrust bearing, 13-inner cylinder, 131-planetary gear mechanism, 1311-sun gear, 1312-planetary gear, 1313-ring gear, 132-annular opening, 133-connecting frame, 134-leakage-proof ring, 135-inter-cylinder bearing, 14-inclined cylinder, 15-connecting inclined shaft;

2-a first rotating drum, 21-a first lifting auger and 211-an internal ball auger;

3-horizontal driving mechanism, 31-hydraulic cylinder body, 32-piston, 33-mounting seat;

4-a second rotating cylinder, 41-a resin sand outlet, 42-a second lifting auger and 421-an auger support column;

5-a vertical driving mechanism and 6-a power mechanism;

7-a transmission mechanism, 71-a male disc, 711-a first telescopic cylinder, 712-a first telescopic rod, 713-a ball head, 72-a master disc, 721-a second telescopic cylinder, 722-a second telescopic rod and 723-a ball cavity;

8-outer spherical shell, 9-inner spherical shell.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

A resin sand mixer, comprising:

the sand mixing device comprises a sand mixing cylinder 1, wherein the sand mixing cylinder 1 is provided with a molding sand inlet 11, a sand mixing auger 12 is arranged in the sand mixing cylinder 1, and the sand mixing auger 12 is provided with a resin nozzle 1211 and a curing agent nozzle 1212;

the first rotating cylinder 2 is connected with the sand mixing cylinder 1 through balls, a first lifting packing auger 21 is arranged in the first rotating cylinder 2, and the first lifting packing auger 21 is connected with the sand mixing packing auger 12 through balls;

the two ends of the horizontal driving mechanism 3 are respectively connected with the first rotating cylinder 2 and the sand mixing cylinder 1, and the horizontal driving mechanism 3 is used for driving the first rotating cylinder 2 to horizontally rotate;

the second rotating cylinder 4 is connected with a ball at one end, far away from the sand mixing cylinder 1, of the first rotating cylinder 2, the end, far away from the first rotating cylinder 2, of the second rotating cylinder 4 is provided with a resin sand outlet 41, a second lifting auger 42 is arranged in the second rotating cylinder 4, and the second lifting auger 42 is connected with a ball at one end, far away from the sand mixing auger 12, of the first lifting auger 21;

the two ends of the vertical driving mechanism 5 are respectively connected with the second rotating cylinder 4 and the first rotating cylinder 2, so as to drive the second rotating cylinder 4 to rotate along a vertical plane;

the power mechanism 6 is connected with one end, far away from the first lifting packing auger 21, of the sand mixing packing auger 12;

drive mechanism 7, drive mechanism 7 is located the mulling auger 12 first promotion auger 21 with the junction of second promotion auger 42 is used for driving first promotion auger 21 with second promotion auger 42 rotates along its axial.

In the process of resin sand mixing, firstly, molding sand is injected into a sand mixing cylinder 1 through a molding sand inlet 11, then resin and a curing agent are sprayed on the molding sand through a resin nozzle 1211 and a curing agent nozzle 1212 respectively in the sand mixing cylinder 1, and a power mechanism 6 drives a sand mixing auger 12 to stir, so that the resin and the curing agent are attached to the surface of the molding sand to obtain the resin sand; when the horizontal position of the resin sand outlet 41 needs to be adjusted, the horizontal included angle between the sand mixing cylinder 1 and the first rotating cylinder 2 is adjusted by driving the horizontal driving mechanism 3 to work, so that one end of the first rotating cylinder 2, which is far away from the sand mixing cylinder 1, can perform circular motion at a certain angle around the other end of the first rotating cylinder 2, at the moment, the sand mixing auger 12 is connected with the first lifting auger 21 in a spherical mode inside the sand mixing cylinder 1 and the first rotating cylinder 2, and the sand mixing auger 12 transmits tangential force to the first lifting auger 21 through the transmission mechanism 7, so that the first lifting auger 21 can rotate around the axial direction of the first lifting auger 12 while keeping a certain angle with the sand mixing auger 12; when the height of resin sand export 41 needs to be adjusted, through the work of drive vertical actuating mechanism 5, adjust the contained angle of the vertical direction of first rotary drum 2 and second rotary drum 4, make second rotary drum 4 keep away from the circular motion that first rotary drum 2's one end can carry out certain angle around its other end, at this moment, in the inside of first rotary drum 2 and second rotary drum 4, first promotion auger 21 and second promote auger 42 ball and connect, first promotion auger 21 passes through drive mechanism 7 and promotes auger 42 transmission tangential force to the second, make second promote auger 42 can also rotate around its axial when keeping certain angle with first promotion auger 21, and discharge resin sand from resin sand export 41.

In the embodiment of the present application, the minimum included angle between the sand mixing barrel 1 and the first rotating barrel 2 in the horizontal direction is 150 °, and the minimum included angle between the first rotating barrel 2 and the second rotating barrel 4 in the vertical direction is 150 °.

In the embodiment of the present application, the horizontal driving mechanism 3 and the vertical driving mechanism 5 may be a hydraulic cylinder mechanism including a hydraulic cylinder body 31 and a piston 32; for the horizontal driving mechanisms 3, two horizontal driving mechanisms 3 are respectively arranged at two horizontal sides of the first rotating cylinder 2, the hydraulic cylinder body 31 is hinged with the first rotating cylinder 2 through the mounting seat 33, the piston 32 of the hydraulic cylinder is hinged with the sand mixing cylinder 1 through the mounting seat 33, so that two ends of the hydraulic cylinder mechanism can horizontally rotate around the mounting seat 33, when the first rotating cylinder 2 needs to be controlled to rotate towards one side, the piston 32 of the hydraulic cylinder mechanism at the side is controlled to be retracted, and the piston 32 of the hydraulic cylinder mechanism at the other side is pushed out; to vertical actuating mechanism 5, vertical actuating mechanism 5 has two, locates respectively the top and the bottom of first rotary drum 2, pneumatic cylinder body 31 through mount pad 33 with first rotary drum 2 is articulated, the piston 32 of pneumatic cylinder pass through mount pad 33 with second rotary drum 4 is articulated for the both ends of pneumatic cylinder mechanism all can wind the vertical rotation of mount pad 33, when the first rotary drum 2 upward rotation of needs control, the piston 32 of the pneumatic cylinder mechanism at control top withdraws, the piston 32 of the pneumatic cylinder mechanism of bottom release can, the same reason when needing control first rotary drum 2 downward rotation.

The first rotating cylinder 2, the second rotating cylinder 4 and the internal mechanisms thereof have large weight, and the hydraulic cylinder mechanism can provide sufficient power to drive the first rotating cylinder 2, the second rotating cylinder 4 and the internal mechanisms thereof to rotate. In other embodiments, the horizontal driving mechanism 3 and the vertical driving mechanism 5 may also be a cylinder mechanism or a screw motor, which do not affect the implementation of the technical solution of the present application.

In the embodiment of the application, the power mechanism 6 is a motor, and the motor is fixedly installed on the ground or at other positions, so that the motor is fixed and can output power to the sand mixing auger 12 through the output shaft of the motor. The sand mixing cylinder 1 is fixed on the ground or fixedly hoisted.

In some embodiments, the transmission mechanism 7 comprises:

the male plate 71 is provided with a first telescopic cylinder 711, a first telescopic rod 712 is arranged in the first telescopic cylinder 711, one end of the first telescopic rod 712 is arranged along the first telescopic cylinder 711 in a sliding manner, and one end, far away from the first telescopic cylinder 711, of the first telescopic rod 712 is provided with a ball head 713;

a second telescopic cylinder 721 is arranged on one side of the master disc 72 facing the male disc 71, a second telescopic rod 722 is arranged in the second telescopic cylinder 721, one end of the second telescopic rod 722 is slidably arranged along the second telescopic cylinder 721, a ball cavity 723 is arranged on one end of the second telescopic rod 722 far away from the second telescopic cylinder 721, and the ball head 713 is in ball connection with the ball cavity 723;

wherein, the two sides of the joint of the sand mixing auger 12, the first lifting auger 21 and the second lifting auger 42 are respectively provided with a male disc 71 and a master disc 72.

When the male disc 71 rotates around the axial direction of the male disc, the first telescopic rod 712 and the first telescopic cylinder 711 rotate around the axial direction of the male disc 71, when the ball head 713 of the first telescopic rod 712 is connected with the ball cavity 723 of the second telescopic rod 722, because the male disc 71 and the master disc 72 are fixed in the axial direction, the first telescopic rod 712 cannot deflect in the tangential direction relative to the male disc 71, the second telescopic rod 722 cannot deflect in the tangential direction relative to the master disc 72, and the tangential force of the male disc 71 is transmitted to the master disc 72 sequentially through the first telescopic cylinder 711, the first telescopic rod 712, the second telescopic rod 722 and the second telescopic cylinder 721, so that the master disc 72 can rotate around the axial direction thereof, and further the packing auger on the other side is driven to rotate around the axial direction thereof.

For a corresponding group of the first telescopic cylinder 711, the first telescopic rod 712, the second telescopic rod 722 and the second telescopic cylinder 721, when the group of the first telescopic cylinder 711, the first telescopic rod 712, the second telescopic rod 722 and the second telescopic cylinder 721 rotate to the outer side of the included angle between the two augers, the distance between the first telescopic cylinder 711 and the second telescopic cylinder 721 is the farthest, the first telescopic rod 712 extends out of the first telescopic cylinder 711 at the moment, and the second telescopic rod 722 extends out of the second telescopic cylinder 721, so that the first telescopic rod 712 and the second telescopic rod 722 are always connected; when the first telescopic cylinder 711 and the second telescopic cylinder 721 are closest to each other when the first telescopic cylinder 711 and the second telescopic cylinder are rotated to the inner side of the included angle between the two augers, the first telescopic rod 712 and the second telescopic rod 722 are retracted at the moment, so that the first telescopic rod 712 and the second telescopic rod 722 are always connected.

In this application embodiment, because the mulling auger 12 first promotion auger 21 with the junction contained angle that the second promoted auger 42 constantly changes, still need keep transmission and connection simultaneously, and transmission between two axles that take the contained angle can be realized to conventional bevel gear group, but is not suitable for the diaxon that the contained angle changes. This application embodiment is through connecting ball between two augers to and set up drive mechanism 7 in ball junction, make between two augers: 1. can rotate freely; 2. tangential forces can be transmitted.

In some embodiments, still be equipped with inner tube 13 in the sand mixing section of thick bamboo 1, inner tube 13 is located sand mixing auger 12 with between the sand mixing section of thick bamboo 1, sand mixing auger 12 includes auger shaft 121 and auger blade 122, inner tube 13 orientation power unit 6's one end with auger shaft 121 rotates and is connected, inner tube 13 orientation power unit 6's terminal surface is equipped with planet wheel mechanism 131 for drive inner tube 13 towards with the opposite direction of auger shaft 121 rotates.

In the embodiment of the present application, the planetary gear mechanism 131 includes:

a sun gear 1311, the sun gear 1311 being fixed to the outer peripheral side of the auger shaft 121, the sun gear 1311 being provided between the end of the inner cylinder 13 and the end of the sand mixing cylinder 1;

a planet gear 1312, wherein the planet gear 1312 is meshed with the sun gear 1311, and the planet gear 1312 is rotationally connected with the inner side surface of the end part of the sand mixing barrel 1;

and a ring gear 1313, the ring gear 1313 meshing with the pinion 1312, the ring gear 1313 being fixed to an outer end surface of the inner tube 13 facing the power mechanism 6 and being disposed coaxially with the sun gear 1311.

The power mechanism 6 drives the auger shaft 121 to rotate, the sun gear 1311 which is coaxial with the auger shaft 121 is an active part, the planet gear 1312 is fixed on the sand mixing barrel 1, the shaft of the planet gear 1312 does not displace and is only driven to rotate by the sun gear 1311, the gear ring 1313 is meshed with the planet gear 1312 and is driven by the planet gear to rotate in the direction opposite to the direction of the sun gear 1311, and the rotation direction of the inner barrel 13 is opposite to that of the sand mixing auger 12 through the planet gear mechanism 131, so that the sand mixing effect is further enhanced by rotating the sand mixing auger 12 to mix molding sand, resin and curing agent on one hand and rotating the inner barrel 13 in the opposite direction on the other hand.

In some embodiments, an end of the inner cylinder 13 facing the sand inlet 11 is provided with an annular opening 132, an inner sidewall of the inner cylinder 13 is provided with a connecting frame 133 for connecting both axial sides of the annular opening 132, the annular opening 132 corresponds to the sand inlet 11, and an inner sidewall of the sand mixing cylinder 1 is provided with a leakage preventing ring 134 corresponding to the annular opening 132.

In the embodiment of the present application, the thickness of the leakage preventing ring 134 is equal to the distance from the inner wall of the inner barrel 13 to the inner wall of the sand mixing barrel 1, the length in the axial direction is equal to the length of the annular opening 132, and the top of the leakage preventing ring 134 is provided with an opening for allowing the molding sand to pass through.

Because the molding sand needs to be continuously mixed, and the inner cylinder 13 continuously rotates, the inner cylinder 13 is provided with the annular opening 132, so that the molding sand can directly fall into the inner cylinder 13 after entering from the molding sand inlet 11 of the sand mixing cylinder 1, after the annular opening 132 is arranged, the inner cylinder 13 is divided into two sections, and the two sides of the inner cylinder 13 provided with the annular opening 132 are connected through the connecting frame 133, so that the two sections of the inner cylinder 13 can coaxially rotate; set up leak protection ring 134 and can block up annular opening 132, the molding sand falls into inner tube 13 after, can prevent that the molding sand from getting into the clearance between inner tube 13 and the sand mixing barrel 1.

In this application example, the connecting frame 133 is "concave" style of calligraphy, and in other embodiments, can also set up the connecting frame 133 into the auger form, the outside edge of auger and the inner wall fixed connection of inner tube 13 for inner tube 13 is when rotating, and the connecting frame 133 can be constantly with the molding sand that drops in annular opening 132 to the other end propelling movement of inner tube 13, and then promotes the sand feeding ability of mixing sand section of thick bamboo 1.

In some embodiments, an inclined cylinder 14 is obliquely arranged downwards at one end of the sand mixing cylinder 1 facing the first rotating cylinder 2, a connection inclined shaft 15 is arranged in the inclined cylinder 14, the sand mixing auger 12 is connected with the first lifting auger 21 through the connection inclined shaft 15, and a transmission mechanism 7 is arranged at the connection position.

The resin sand after sand mixing is pushed out from the inner cylinder 13 by the sand mixing auger 12, falls along the inclined cylinder 14 and is accumulated at the bottom in the inclined cylinder 14, and the accumulated resin sand is pushed to the other end by the first lifting auger 21, so that the resin sand can be smoothly conveyed to the first rotating cylinder 2 from the inner cylinder 13.

In the embodiment of the application, a male disc 71 is arranged at one end of the sand mixing auger 12 facing the inclined connecting shaft 15, and a corresponding mother disc 72 is arranged at one end of the inclined connecting shaft 15 facing the sand mixing auger 12; a mother disc 72 is arranged at one end of the connecting inclined shaft 15 facing the first lifting packing auger 21, and a corresponding male disc 71 is arranged at one end of the first lifting packing auger 21 facing the connecting inclined shaft 15; a male disc 71 is arranged at one end of the first lifting packing auger 21 facing the second lifting packing auger 42, and a corresponding master disc 72 is arranged at one end of the second lifting packing auger 42 facing the first lifting packing auger 21.

In other embodiments, because the inclination angle of the connection inclined shaft 15 is fixed, the transmission mechanism 7 at the connection position of the connection inclined shaft 15 and the sand mixing auger 12 can be set as an umbrella-shaped gear set, which does not affect the technical scheme of the present application, and the present application is not particularly limited.

In some embodiments, a resin channel 1213 and a curing agent channel 1214 are axially disposed inside the auger shaft 121, one end of the resin channel 1213 is provided with an annular resin ejection channel 12131, the resin nozzle 1211 is communicated with the annular resin ejection channel 12131, the other end of the resin channel 1213 is provided with a resin inlet 12132, one end of the curing agent channel 1214 is provided with an annular curing agent ejection channel 12141, the curing agent nozzle 1212 is communicated with the annular curing agent ejection channel 12141, the other end of the curing agent channel 1214 is provided with a curing agent inlet 12142, two ends of the auger shaft 121, which are located at the resin inlet 12132 and the curing agent inlet 12142, are respectively provided with a first snap ring 1215 and a second snap ring 1216, a feeding mechanism 123 is disposed between the first snap ring 1215 and the second snap ring 1216, the feeding mechanism 123 includes a feeding ring seat 1231, and the feeding ring seat 1231 is respectively provided with an annular resin injection channel 1232 and an annular curing agent injection channel 3 in the axial direction The resin annular injection passage 1232 is communicated with the resin inlet 12132, the curing agent annular injection passage 1233 is communicated with the curing agent inlet 12142, a resin injection pipe 1234 and a curing agent injection pipe 1235 are arranged on the outer peripheral side of the feeding ring seat 1231, the resin injection pipe 1234 is communicated with the resin annular injection passage 1232, and the curing agent injection pipe 1235 is communicated with the curing agent annular injection passage 1233.

In the embodiment of the application, the central axes of the resin channel 1213, the curing agent channel 1214 and the auger shaft 121 are all located on the same horizontal plane, the resin channel 1213 and the curing agent channel 1214 are arranged on two sides of the central axis of the auger shaft 121 in a mirror image manner, the resin inlet 12132 and the curing agent inlet 12142 are both cylindrical and are respectively arranged coaxially with the resin channel 1213 and the curing agent channel 1214, the radius of the resin inlet 12132 and the curing agent inlet 12142 is smaller than the distance between the inner wall of the resin channel 1213 and the inner wall of the curing agent channel 1214 and larger than the minimum distance between the inner walls of the resin inlet 12132 and the curing agent inlet 12142 and the outer wall of the auger shaft 121, while allowing the resin inlet 12132 and the curing agent inlet 12142 to communicate with the resin annular injection passage 1232 and the curing agent annular injection passage 1233 respectively, the resin inlet 12132 is not caused to communicate with the curing agent passage 1214, and the curing agent inlet 12142 is not caused to communicate with the resin passage 1213.

In this application embodiment, material loading ring seat 1231 with mix a sand section of thick bamboo 1 fixed connection, prevent that material loading ring seat 1231 from being driven by auger shaft 121 and rotate, in other embodiments, material loading ring seat 1231 can also fixed connection on other arbitrary static structures, all do not influence this technical scheme's implementation.

Liquid resin and a curing agent are respectively injected into the resin annular injection channel 1232 and the curing agent annular injection channel 1233 through the resin injection pipe 1234 and the curing agent injection pipe 1235, so that the annular injection channels are filled with the resin or the curing agent, meanwhile, the first clamping ring 1215 and the second clamping ring 1216 are arranged, the feeding mechanism 123 is clamped, the resin annular injection channel 1232 and the curing agent annular injection channel 1233 can be respectively aligned with the resin inlet 12132 hu and the curing agent inlet 12142, and the feeding mechanism 123 is prevented from sliding along the auger shaft 121.

In the embodiment of the application, because the inner cylinder 13 which rotates ceaselessly is arranged, the conventional spraying mode of the resin and the curing agent cannot be applied to the technical scheme of the application, the resin channel 1213 and the curing agent channel 1214 are arranged in the auger shaft 121, so that the resin and the curing agent can enter the inner cylinder 13 along the auger shaft 121 and are ejected from the side wall of the auger shaft 121 in a segmented manner; meanwhile, as the auger shaft 121 continuously rotates, the resin nozzle 1211 and the curing agent nozzle 1212 on the outer peripheral side of the auger shaft 121 synchronously rotate, so that the spraying process is more uniform, and the resin sand is more fully mixed.

In some embodiments, the auger blade 122 includes a conveying blade 1221, a resin mulling blade 1222, and a curing agent mulling blade 1223 sequentially arranged along a conveying direction, the resin nozzle 1211 is disposed between the conveying blade 1221 and the resin mulling blade 1222, and the curing agent nozzle 1212 is disposed between the resin mulling blade 1222 and the curing agent mulling blade 1223.

In other embodiments, a thrust bearing 1236 is disposed between the loading ring seat 1231 and the first and second clamping rings 1215, 1216 to reduce friction between the loading ring seat 1231 and the first and second clamping rings 1215, 1216.

In some embodiments, an inter-barrel bearing 135 is further disposed between the sand mixing barrel 1 and the inner barrel 13.

Because the sand mixing barrel 1 and the inner barrel 13 can rotate relatively, the bearing 135 between the barrels can support the inner barrel 13, and the inner barrel 13 is prevented from falling away from one end of the power mechanism 6, and in the embodiment of the application, the bearing 135 between the barrels is a radial bearing.

In some embodiments, mix a sand section of thick bamboo 1 orientation the one end of a first section of thick bamboo 2 is equipped with outer spherical shell 8, outer spherical shell 8 orientation one side of a first section of thick bamboo 2 is equipped with the opening, the orientation of a first section of thick bamboo 2 interior spherical shell 9 is located to the one end of a first section of thick bamboo 1, interior spherical shell 9 orientation one side of a mixed sand section of thick bamboo 1 is equipped with the opening, the external diameter of interior spherical shell 9 equals the internal diameter of outer spherical shell 8, first promotion auger 21 is located the one end of interior spherical shell 9 is connected with auger 211 in the ball, the external diameter of auger 211 in the ball with the inside shape of interior spherical shell 9 matches.

After the resin sand enters the inner spherical shell 9, the resin sand in the inner spherical shell 9 is brought into the first lifting auger 21 through the inner spherical auger 211, so that the resin sand can be smoothly conveyed.

In the embodiment of the present application, the end of the ball inner auger 211 is connected to the first elevating auger 21, and the inner side edge thereof is kept at a distance from the transmission mechanism 7 so that it does not affect the rotation of the transmission mechanism 7, while the outer side edge thereof is close to the inner spherical shell 9 so that the resin sand accumulated at the bottom of the inner spherical shell 9 can be carried by the ball inner auger 211.

In other embodiments, the ball joint of the first rotating cylinder 2 and the second rotating cylinder 4 has the same structure as the ball joint of the sand mixing cylinder 1 and the first rotating cylinder 2, the two ends of the first rotating cylinder 2 are both provided with inner spherical shells 9, and one end of the second rotating cylinder 4 facing the first rotating cylinder 2 is provided with a corresponding outer spherical shell 8.

In some embodiments, the second promotes auger 42 and is equipped with auger support column 421 towards the one end of first support auger, auger support column 421 keeps away from the second promotes auger 42 one end with a section of thick bamboo 4 butt is rotated to the second for support the second and support the auger, reduce the second and support the auger and rotate the frictional force between a section of thick bamboo 4 with the second.

In this application embodiment, the one end that the second supported auger kept away from first supported auger rotates with a second and is connected, and the second supports the auger and sets up auger support column 421 towards the one end of first supported auger for the second supports the auger and can keep stable in a second rotates a section of thick bamboo 4, prevents simultaneously that the second from supporting the auger and rotating a section of thick bamboo 4 contact with the second, reduces frictional force and device loss. On the basis of this application embodiment, auger support column 421 has a pair ofly, about the second supports the central axis symmetry setting of auger.

In other embodiments, a ball is disposed at one end of the auger support column 421 facing the second rotary cylinder 4, so as to further reduce the friction between the auger support column 421 and the second rotary cylinder 4.

In other embodiments, auger support posts 421 are also provided at two ends of the first support auger to support the first support auger to rotate in the first rotating cylinder 2, so as to reduce the friction between the first support auger and the first rotating cylinder 2. In addition to this embodiment, a ball is also provided at one end of the auger support column 421 facing the first rotary drum 2, thereby further reducing the friction force.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A resin sand mixer, comprising:

the sand mixing device comprises a sand mixing cylinder (1), wherein the sand mixing cylinder (1) is provided with a molding sand inlet (11), a sand mixing auger (12) is arranged in the sand mixing cylinder (1), and the sand mixing auger (12) is provided with a resin nozzle (1211) and a curing agent nozzle (1212);

the sand mixing device comprises a first rotating cylinder (2), wherein the first rotating cylinder (2) is connected with a sand mixing cylinder (1) in a ball mode, a first lifting packing auger (21) is arranged in the first rotating cylinder (2), and the first lifting packing auger (21) is connected with a sand mixing packing auger (12) in a ball mode;

the two ends of the horizontal driving mechanism (3) are respectively connected with the first rotating cylinder (2) and the sand mixing cylinder (1) and are used for driving the first rotating cylinder (2) to horizontally rotate;

the second rotating cylinder (4), the second rotating cylinder (4) is connected with one end ball of the first rotating cylinder (2) far away from the sand mixing cylinder (1), one end of the second rotating cylinder (4) far away from the first rotating cylinder (2) is provided with a resin sand outlet (41), a second lifting packing auger (42) is arranged in the second rotating cylinder (4), and the second lifting packing auger (42) is connected with one end ball of the first lifting packing auger (21) far away from the sand mixing packing auger (12);

the two ends of the vertical driving mechanism (5) are respectively connected with the second rotating cylinder (4) and the first rotating cylinder (2) and used for driving the second rotating cylinder (4) to rotate along a vertical plane;

the power mechanism (6), the power mechanism (6) is connected with one end, far away from the first lifting packing auger (21), of the sand mixing packing auger (12);

drive mechanism (7), drive mechanism (7) are located sand mixing auger (12) first promotion auger (21) with the junction of second promotion auger (42) is used for driving first promotion auger (21) with second promotes auger (42) and rotates along its axial.

2. A resin sand mixer according to claim 1, wherein the transmission mechanism (7) comprises:

the male disc (71), a first telescopic cylinder (711) is arranged on the male disc (71), a first telescopic rod (712) is arranged in the first telescopic cylinder (711), one end of the first telescopic rod (712) is arranged along the first telescopic cylinder (711) in a sliding mode, and a ball head (713) is arranged at one end, far away from the first telescopic cylinder (711), of the first telescopic rod (712);

a second telescopic cylinder (721) is arranged on one side, facing the male disc (71), of the master disc (72), a second telescopic rod (722) is arranged in the second telescopic cylinder (721), one end of the second telescopic rod (722) is arranged in a sliding mode along the second telescopic cylinder (721), a ball cavity (723) is arranged at one end, far away from the second telescopic cylinder (721), of the second telescopic rod (722), and the ball head (713) is connected with the ball cavity (723) in a ball mode;

wherein, the two sides of the joint of the sand mixing auger (12), the first lifting auger (21) and the second lifting auger (42) are respectively provided with a male disc (71) and a master disc (72).

3. The resin sand mixer according to claim 1, characterized in that, still be equipped with inner tube (13) in the sand mixing section of thick bamboo (1), inner tube (13) are located sand mixing auger (12) with between the sand mixing section of thick bamboo (1), sand mixing auger (12) include auger shaft (121) and auger blade (122), inner tube (13) orientation power unit (6)'s one end with auger shaft (121) rotate to be connected, the orientation of inner tube (13) the terminal surface of power unit (6) is equipped with planetary wheel mechanism (131), is used for driving inner tube (13) towards with the opposite direction of auger shaft (121) rotates.

4. The resin sand mixer according to claim 3, characterized in that an end of the inner cylinder (13) facing the sand inlet (11) is provided with an annular opening (132), an inner side wall of the inner cylinder (13) is provided with a connecting frame (133) for connecting both axial sides of the annular opening (132), the annular opening (132) corresponds to the sand inlet (11), and the inner side wall of the sand mixing cylinder (1) is provided with a leakage preventing ring (134) corresponding to the annular opening (132).

5. The resin sand mixer according to claim 3, characterized in that the one end of the sand mixing cylinder (1) facing the first rotating cylinder (2) is obliquely downwards provided with an inclined cylinder (14), a connecting inclined shaft (15) is arranged in the inclined cylinder (14), the sand mixing auger (12) is connected with the first lifting auger (21) through the connecting inclined shaft (15), and the joints are provided with transmission mechanisms (7).

6. The resin sand mixer according to claim 3, characterized in that a resin channel (1213) and a curing agent channel (1214) are axially opened in the packing auger shaft (121), one end of the resin channel (1213) is provided with a resin annular ejection channel (12131), the resin nozzle (1211) is communicated with the resin annular ejection channel (12131), the other end of the resin channel (1213) is provided with a resin inlet (12132), one end of the curing agent channel (1214) is provided with a curing agent annular ejection channel (12141), the curing agent nozzle (1212) is communicated with the curing agent annular ejection channel (12141), the other end of the curing agent channel (1214) is provided with a curing agent inlet (12142), and both ends of the packing auger shaft (121) located at the resin inlet (12132) and the curing agent inlet (12142) are respectively provided with a first snap ring (1215) and a second snap ring (1216), first snap ring (1215) with be equipped with feed mechanism (123) between second snap ring (1216), feed mechanism (123) includes material loading ring seat (1231), material loading ring seat (1231) is inside to be equipped with respectively along the axial and to be equipped with resin annular injection passageway (1232) and curing agent annular injection passageway (1233), resin annular injection passageway (1232) with resin entry (12132) intercommunication, curing agent annular injection passageway (1233) with curing agent entry (12142) intercommunication, the periphery side of material loading ring seat (1231) is equipped with resin injection pipe (1234) and curing agent injection pipe (1235), resin injection pipe (1234) with resin annular injection passageway (1232) intercommunication, curing agent injection pipe (1235) with curing agent annular injection passageway (1233) intercommunication.

7. The resin sand mixer according to claim 6, wherein the auger blade (122) includes a conveying blade (1221), a resin sand mixing blade (1222), and a curing agent sand mixing blade (1223) which are arranged in this order along a conveying direction, the resin nozzle (1211) is provided between the conveying blade (1221) and the resin sand mixing blade (1222), and the curing agent nozzle (1212) is provided between the resin sand mixing blade (1222) and the curing agent sand mixing blade (1223).

8. A resin sand mixer according to claim 3, characterized in that an inter-barrel bearing (135) is further provided between the sand mixing barrel (1) and the inner barrel (13).

9. The resin sand mixer according to claim 1, characterized in that, the sand mixing barrel (1) moves towards the one end of the first rotating barrel (2) is provided with an outer spherical shell (8), the outer spherical shell (8) moves towards one side of the first rotating barrel (2) is provided with an opening, the first rotating barrel (2) moves towards the one end of the sand mixing barrel (1) is provided with an inner spherical shell (9), the inner spherical shell (9) moves towards one side of the sand mixing barrel (1) is provided with an opening, the outer diameter of the inner spherical shell (9) is equal to the inner diameter of the outer spherical shell (8), the first lifting packing auger (21) is arranged at one end of the inner spherical shell (9) and is connected with an inner packing auger (211), and the outer diameter of the inner packing auger (211) is matched with the inner shape of the inner spherical shell (9).

10. The resin sand mixer of claim 1, characterized in that, the second promotes auger (42) and is equipped with auger support column (421) towards the one end of first support auger, auger support column (421) are kept away from the second promote auger (42) one end with a section of thick bamboo (4) butt is rotated to the second for support the second and support the auger, reduce the second and support the auger and rotate the frictional force between a section of thick bamboo (4) with the second.