CN211218541U

CN211218541U - Continuous clay sand mixer

Info

Publication number: CN211218541U
Application number: CN201921808605.8U
Authority: CN
Inventors: 张健
Original assignee: Tonghua Dixiang Auto Parts Co Ltd
Current assignee: Tonghua Dixiang Auto Parts Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-08-11
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a continuous type clay sand roller mill, including the organism, seted up bottom chamber and process chamber in the organism respectively, fixed one-level motor and the spacing of being equipped with respectively in bottom chamber and the process chamber, and rotate in the process chamber and be equipped with the lead screw that is connected with one-level motor output shaft. The utility model is provided with a screw rod and a rotating shaft which are driven to rotate by a primary motor in a processing cavity of a machine body, a lower connecting rod and an upper connecting rod are correspondingly arranged on a lower sleeve and an upper sleeve of the screw rod and the rotating shaft, a groove-shaped filter screen is arranged in the processing cavity, and various raw materials entering the processing cavity are stirred by the lower connecting rod and the upper connecting rod which are opened and closed in a rotating way; a discharge port is arranged in the machine body, and a discharging plate is installed in the discharge port in a layered mode through a spring, so that clay sand can move in a layered mode; the material conveying cylinder provided with the material pushing rod is arranged on the machine body, so that various raw materials for mixing and preparing clay sand are conveyed uniformly, and the preparation quality of the clay sand is ensured.

Description

Continuous clay sand mixer

Technical Field

The utility model relates to a clay sand processing technology field especially relates to a continuous type clay sand roller mill.

Background

The sand for moulding is divided according to the mud content in the raw sand in the foundry industry, and is mainly used as the additive of moulding sand and core sand for cast iron and non-ferrous metal castings, so that the wet strength is improved, and the moulding performance is improved. The molding sand used for molding in casting is generally formed by mixing molding materials such as raw sand for casting, a molding sand binder, auxiliary materials and the like according to a certain proportion, and the molding sand can be divided into clay sand, sodium silicate sand, cement sand and resin sand according to different binders, wherein the clay sand, the sodium silicate sand and the resin sand are widely applied.

Because the industrialization level of China is continuously improved, the demand of clay sand is increased day by day, and certain requirements are put forward on the quality of finished products of the clay sand. Under the traditional preparation process level, because various raw materials required for preparing clay sand, such as raw sand, a molding sand binder, auxiliary additives and the like, are difficult to be fully mixed, the mixture ratio among the various raw materials is seriously unreasonable, and the various raw materials are extremely easy to agglomerate and form due to the action of moisture and the binder, so that the mixed preparation of the clay sand is seriously influenced, the preparation efficiency of the clay sand is influenced, the various raw materials and the finished clay sand product are seriously defected in operation, the various raw materials cannot be timely and comprehensively mixed, the finished clay sand has certain adhesion, the flowability is poor, and the automatic collection difficulty is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that clay sand and finished product quality level are lower that are difficult to evenly match among the prior art, and the continuous clay sand roller mill that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a continuous clay sand mixer comprises a machine body, wherein a bottom cavity and a processing cavity are respectively formed in the machine body, a primary motor and a limiting frame are respectively and fixedly arranged in the bottom cavity and the processing cavity, a lead screw connected with an output shaft of the primary motor is arranged in the processing cavity in a rotating manner, a rotating shaft rotationally connected with the limiting frame is fixedly connected onto the lead screw, a nut is in threaded connection onto the lead screw, a lower sleeve is sleeved on the nut in a rotating manner, an upper sleeve is fixedly sleeved on the rotating shaft, a lower connecting rod and an upper connecting rod which are in one-to-one correspondence are respectively in pin connection with the lower sleeve and the upper sleeve, the lower connecting rod is rotationally connected with the upper connecting rod, a filter screen is fixedly arranged in the processing cavity, a discharge port is formed in the side wall of the machine body corresponding to the processing cavity, a discharge plate is in pin connection with the discharge port, a spring connected, and two feeding mechanisms are correspondingly arranged at the two ends of the feeding hole.

Preferably, the bottom cavity and the processing cavity are distributed in the machine body from bottom to top, and the limiting frame is welded in the upper end of the processing cavity.

Preferably, the lead screw is the integrative structure of perpendicular setting from bottom to top with the pivot, the equal circumference equidistance of lower connecting rod and last connecting rod distributes.

Preferably, the number of the lower connecting rods is equal to that of the upper connecting rods, and the lower connecting rods and the upper connecting rods are positioned in the filter screen.

Preferably, the feeding mechanism comprises the following structure: the material pushing device is characterized in that the upper ends of two sides of the machine body are connected with a support through bolts, a material conveying cylinder is welded on the support, a second-stage motor is fixedly mounted in one end of the material conveying cylinder, a material conveying channel is formed in the material conveying cylinder, and a material pushing rod connected with an output shaft of the second-stage motor is rotatably arranged in the material conveying channel.

Preferably, two the conveying cylinder slope sets up, and two ejector pins keep away from the one end of second grade motor and all correspond the feed inlet.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up in the organism and drive rotatory lead screw and pivot by the one-level motor, through connect nut and the lower casing that can reciprocate on the lead screw, the sleeve pipe is established to fixed cover in the pivot, corresponds between lower casing and last sleeve pipe and is connected lower connecting rod and last connecting rod for the lower connecting rod that circumference equidistance distributes mixes its motion with higher speed all kinds of raw materials comprehensively stirring in the filter screen of processing chamber with last connecting rod, makes it export through the filter screen outwards evenly.

2. The utility model arranges the discharge port on the side wall of the machine body corresponding to the filter screen, and arranges the stripper plate at the position of the discharge port by utilizing the spring in a layering way, so that the stripper plate moves under the combined action of the gravity of the clay sand and the spring elasticity to accelerate the flow of the clay sand; a material conveying cylinder is arranged at the upper end of the machine body, and a material pushing rod driven by a secondary motor is arranged in the material conveying cylinder, so that raw sand, molding sand binder, auxiliary materials and other raw materials are conveyed at a constant speed.

To sum up, the utility model arranges the screw rod and the rotating shaft which are driven by the primary motor to rotate in the processing cavity of the machine body, arranges the lower connecting rod and the upper connecting rod on the lower sleeve and the upper sleeve of the screw rod and the rotating shaft correspondingly, arranges the groove-shaped filter screen in the processing cavity, and utilizes the lower connecting rod and the upper connecting rod which are opened and closed in a rotating way to stir various raw materials entering the processing cavity, so as to mix the raw materials fully and uniformly; a discharge port is arranged in the machine body, and a discharging plate is installed in the discharge port in a layered mode through a spring, so that clay sand can move in a layered mode; the material conveying cylinder provided with the material pushing rod is arranged on the machine body, so that various raw materials for mixing and preparing clay sand are conveyed uniformly, and the preparation quality of the clay sand is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a continuous clay sand mixer provided by the present invention;

FIG. 2 is an enlarged view of the structure of part A of a continuous clay sand mixer provided by the present invention;

fig. 3 is the utility model provides a stripper structure schematic diagram of continuous clay sand roller mill.

In the figure: the device comprises a machine body 1, a bottom cavity 2, a processing cavity 3, a first-level motor 4, a limiting frame 5, a lead screw 6, a rotating shaft 7, a nut 8, a lower sleeve 9, an upper sleeve 10, a lower connecting rod 11, an upper connecting rod 12, a filter screen 13, a discharge hole 14, a discharge plate 15, a spring 16, a feed inlet 17, a support 18, a feed delivery cylinder 19, a feed delivery channel 20, a second-level motor 21 and a push rod 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a continuous clay sand mixer comprises a machine body 1, referring to fig. 1 for specific description, the machine body 1 is a hollow cylinder structure, a bottom cavity 2 and a processing cavity 3 are respectively arranged in the machine body 1, a partition plate integrated with the machine body 1 is arranged between the bottom cavity 2 and the processing cavity 3, a primary motor 4 and a limiting frame 5 are respectively fixedly arranged in the bottom cavity 2 and the processing cavity 3, a screw rod 6 connected with an output shaft of the primary motor 4 is rotatably arranged in the processing cavity 3, a rotating shaft 7 rotatably connected with the limiting frame 5 is fixedly connected on the screw rod 6, it is noted that a sealing bearing is correspondingly arranged in the partition plate and the limiting frame 5 to rotatably mount the screw rod 6 and the rotating shaft 7, a nut 8 is connected on the screw rod 6, a lower sleeve 9 is rotatably sleeved on the nut 8, an upper sleeve 10 is fixedly sleeved on the rotating shaft 7, a lower connecting rod 11 and an upper connecting rod 12 which are respectively connected with a pin shaft in a one-to-one, and lower connecting rod 11 and upper connecting rod 12 rotate to be connected, fixedly in the process chamber 3 be equipped with filter screen 13, refer to the description attached figure 1 specifically, filter screen 13 is the trough-shaped structure, and incorporate lead screw 6 and pivot 7 wherein, and organism 1 corresponds the lateral wall of process chamber 3 and has seted up discharge gate 14, and the round pin hub connection has stripper 15 in the discharge gate 14, the perpendicular welding of stripper 15 lower extreme has the spring 16 that the bottom surface of discharge gate 14 is connected, organism 1 upper end has seted up feed inlet 17, and two feeding mechanism are installed to the correspondence of feed inlet 17 both ends.

Further, the discharge port 14 is obliquely arranged, and the discharge plate 15 positioned in the discharge port 14 can be arranged in a step shape with 2-3 steps to convey the clay sand finished product.

The bottom cavity 2 and the processing cavity 3 are distributed in the machine body 1 from bottom to top, the limiting frame 5 is welded in the upper end of the processing cavity 3, the screw rod 6 and the rotating shaft 7 are of an integrated structure vertically arranged from bottom to top, the lower connecting rod 11 and the upper connecting rod 12 are distributed in an equal circumferential and equal distance, and the synchronous rotation of the screw rod 6 and the rotating shaft 7 can be realized through the one-level motor 4, so that the lower connecting rod 11 and the upper connecting rod 12 are driven to move synchronously.

The number of the lower connecting rods 11 is equal to that of the upper connecting rods 12, the lower connecting rods 11 and the upper connecting rods 12 are positioned in the filter screen 13, and the lower connecting rods 11 and the upper connecting rods 12 rotate in the filter screen 13 so as to fully stir various raw materials positioned in the filter screen 15 and uniformly distribute the raw materials.

The feeding mechanism comprises the following structures: the upper ends of two sides of the machine body 1 are connected with a support 18 through bolts, a material conveying cylinder 19 is welded on the support 18, a second-stage motor 21 is fixedly mounted in one end of the material conveying cylinder 19, a material conveying channel 20 is formed in the material conveying cylinder 19, and a material pushing rod 22 connected with an output shaft of the second-stage motor 21 is rotatably arranged in the material conveying channel 20.

The two material conveying cylinders 19 are obliquely arranged, and one ends of the two material pushing rods 22 far away from the secondary motor 21 correspond to the material inlet 17.

It should be noted that:

firstly, the primary motor 4 and the secondary motor 21 can both adopt servo motors with the product model of HC-KFS 13B;

secondly, referring to the accompanying drawing 1 for explanation, the two feeding mechanisms feed raw materials into the machine body 1 through the feeding port 17, and each raw material only enters the range of the filter screen 13 in the processing cavity 3, so as to fully stir and mix each material.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

firstly, materials such as raw sand, molding sand binder, auxiliary additives and the like required for preparing clay sand are respectively fed into two feeding mechanisms: various materials enter the material conveying channel 20, and the second-stage motor 21 drives the material pushing rod 22 to rotate so as to drive the raw materials in the material conveying channel 20 to move to the position of the material inlet 17;

secondly, various raw materials enter the processing cavity 3 through the feed inlet 17, and the output shaft of the first-level motor 4 drives the screw rod 6 and the rotating shaft 7 to rotate:

on one hand, the screw rod 6 rotates to drive the nut 8 and the lower sleeve 9 to move up and down and drive the lower connecting rod 11 to synchronously move up and down, the lower connecting rod 11 supports or pulls the upper connecting rod 12 upwards so as to lead the lower connecting rod 11 and the upper connecting rod 12 to carry out reciprocating opening and closing movement,

on the other hand, the rotating shaft 7 drives the upper link 12 to rotate through the upper sleeve 10, the upper link 12 pulls the lower link 11, and the lower link 11 drives the lower sleeve 9 to rotate in the same direction with the nut 8 as a fulcrum, so that the synchronous rotation of the lower link 11 and the upper link 12 is ensured.

Thirdly, the lower connecting rod 11 and the upper connecting rod 12 contact the raw materials in the processing cavity 3 comprehensively in the rotating process to accelerate the movement and mixing of the raw materials so as to prepare clay sand uniformly;

fourthly, after clay sand is configured, the clay sand still keeps moving under the driving of the lower connecting rod 11 and the upper connecting rod 12 and continuously moves to the discharge port 14 from the filter screen 13, because the discharge port 14 is obliquely arranged, the clay sand flows on the discharging plate 15 under the influence of the self weight of the clay sand and extrudes the spring 16, so that the discharging plate 15 is in a state of continuously tending to the horizontal and vertical states, and the outward movement of the clay sand is accelerated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A continuous clay sand mixing machine comprises a machine body (1) and is characterized in that a bottom cavity (2) and a processing cavity (3) are respectively formed in the machine body (1), a primary motor (4) and a limiting frame (5) are respectively fixedly arranged in the bottom cavity (2) and the processing cavity (3), a lead screw (6) connected with an output shaft of the primary motor (4) is rotatably arranged in the processing cavity (3), a rotating shaft (7) rotatably connected with the limiting frame (5) is fixedly connected to the lead screw (6), a nut (8) is in threaded connection with the lead screw (6), a lower sleeve (9) is rotatably sleeved on the nut (8), an upper sleeve (10) is fixedly sleeved on the rotating shaft (7), lower connecting rods (11) and upper connecting rods (12) which are one-to-one opposite are respectively in pin connection with the lower connecting rods (11) and the upper connecting rods (12) on the lower sleeve (9) and the upper sleeve (10), and the lower connecting rods (11) are rotatably connected with the, fixed filter screen (13) that is equipped with in process chamber (3), and organism (1) corresponds the lateral wall of process chamber (3) and has seted up discharge gate (14), and round pin hub connection has stripper (15) in discharge gate (14), the perpendicular welded spring (16) that are connected in discharge gate (14) bottom surface of stripper (15) lower extreme, feed inlet (17) have been seted up to organism (1) upper end, and two feeding mechanism are installed in feed inlet (17) both ends correspondence.

2. A continuous clay sand mixer according to claim 1, characterized in that the bottom chamber (2) and the processing chamber (3) are distributed in the machine body (1) from bottom to top, and the limiting frame (5) is welded in the upper end of the processing chamber (3).

3. A continuous clay sand mixer according to claim 1, characterized in that the screw rod (6) and the rotating shaft (7) are vertically arranged into a whole from bottom to top, and the lower connecting rod (11) and the upper connecting rod (12) are circumferentially distributed at equal intervals.

4. A continuous clay sand mixer according to claim 3, characterized in that the number of the lower connecting rods (11) and the number of the upper connecting rods (12) are equal, and the lower connecting rods (11) and the upper connecting rods (12) are located in the screen (13).

5. A continuous clay sand mill according to claim 1, wherein the feeding mechanism comprises the following structure: organism (1) both sides upper end bolted connection has support (18), and the welding has feed delivery cylinder (19) on support (18), fixed mounting has second grade motor (21) in feed delivery cylinder (19) one end, it has defeated material passageway (20) to open in feed delivery cylinder (19), and rotates in defeated material passageway (20) and be equipped with ejector beam (22) that are connected with second grade motor (21) output shaft.

6. A continuous clay sand mixer according to claim 5, characterized in that two material conveying cylinders (19) are arranged obliquely, and the ends of the two material pushing rods (22) far away from the secondary motor (21) are corresponding to the material inlet (17).