CN219024461U - Three-roller grinding machine convenient for cleaning discharge hopper - Google Patents

Abstract

The three-roller grinder for easy cleaning of the discharge hopper includes a discharge hopper for exporting materials. The discharge hopper includes a bottom plate and two baffle plates respectively fixed on the left and right sides of the bottom plate, and also includes two A scraper frame, the scraper frame is provided with a scraper that is attached to the base plate and a baffle plate on the side close to the scraper frame to move synchronously, a transmission chain that drives the scraper to move along the track, and drives the transmission chain to run The motor, the scraper is extended along the direction perpendicular to the bottom plate, the transmission chain is fixedly connected to the scraper, the motor is connected to the transmission chain, and the motor drives the scraper through the transmission chain. The material on the discharge hopper is scraped clean. The main purpose of the utility model is to provide a three-roller grinder which is convenient for cleaning the material on the discharge hopper.

Description

Three-roll mill for easy cleaning out of the hopper

technical field

The utility model relates to the technical field of three-roll mill equipment.

Background technique

The conventional three-roller grinder achieves the grinding effect by extruding the surfaces of three horizontal rollers and friction at different speeds. It is used for grinding and dispersing equipment for high-viscosity materials, and is mainly suitable for paint, ink, pigment and other slurries. The processing of the three-roll mill includes a discharge hopper, which is a part that scrapes the processed material on the roller and guides it into the storage container. The discharge hopper is inclined downward so that the processed material flows in through the discharge hopper In the storage container below the discharge hopper, the front of the discharge hopper is set in an isosceles trapezoidal shape, and the left and right sides of the discharge hopper are also equipped with baffle plates to prevent the material from flowing out from the side of the discharge hopper. Centralized discharge under the discharge hopper;

At that time, due to the different viscosities of the materials, some materials with high viscosity or unqualified grinding effect would accumulate on the discharge hopper, and would not slide down to the storage container along the discharge hopper, which would affect the discharge of the three-roll mill. efficiency.

Utility model content

The main purpose of the utility model is to solve the deficiencies in the prior art and provide a three-roller grinder which is convenient for cleaning materials on the hopper.

The technical scheme adopted by the utility model is as follows: a three-roller grinder for cleaning the discharge hopper, including a discharge hopper for exporting materials. There are two scraper racks arranged on the left and right sides of the discharge hopper, and the scraper rack is provided with a scraper that is attached to the bottom plate and a stopper on the side close to the scraper rack to move synchronously, and drives the scraper to move along the track. A transmission chain and a motor that drives the operation of the transmission chain, the scraper is extended in a direction perpendicular to the extension of the bottom plate, the transmission chain is fixedly connected to the scraper, the motor is connected to the transmission chain, and runs The motor drives the scraper through the transmission chain to scrape the material on the discharge hopper.

Wherein, the scraper includes a knife plate and a moving rod connected to each other, and the moving rod is placed on the track to move, and the moving rod is fixedly connected with the transmission chain, and the operation of the transmission chain drives the moving rod along the track. track movement, when the moving rod drives the knife plate to move into the discharge hopper, the knife plate is synchronously attached to the bottom plate and one side of the baffle plate and scrapes the materials on the bottom plate and the material baffle plate.

Wherein, the scraper frame also includes a track, and the track includes a first chute and a second chute for the moving rod to move, the first chute is opened on the scraper frame, and the first chute of the first chute The track is circular, the end of the moving rod is held in the first chute and moves along the track of the first chute, the scraper frame is fixedly connected with a guide plate, and the guide plate is connected with the scraper The gap track between the racks forms the second chute, the side walls of the guide plate and the side walls of the scraper frame are all in conflict with the moving rod and the two points of conflict are relative to the moving rod. Axisymmetric, the trajectory of the second chute and the trajectory of the first chute have the same shape and size and are arranged along the extending direction of the baffle plate, and the second chute and the first chute are mutually They are arranged in parallel along the direction perpendicular to the extension of the bottom plate, so that when the scraper moves along the track, the scraper performs a rotary motion along the extension direction of the baffle plate.

Wherein, the transmission chain is provided with a universal joint and is fixedly connected with one end of the universal joint, and the moving rod passes through the other end of the universal joint and is fixedly connected with the universal joint.

Wherein, the motor is fixedly connected to the scraper frame, the output end of the motor is connected to a first gear, and the scraper frame is rotatably connected to a second gear, and the transmission chain is synchronously sleeved on the first gear and The second gear is meshed with both the first gear and the second gear, and the motor drives the transmission chain to move.

Compared with the prior art, the beneficial effect of the utility model is that: the scrapers on the left and right sides of the discharge hopper are continuously and alternately rotated to scrape the accumulated materials on the bottom plate of the discharge hopper and the baffle plate, And push the material into the storage container under the discharge hopper, which improves the discharge efficiency of the three-roll mill and the cleaning efficiency of the discharge hopper.

Description of drawings

Fig. 1 is a perspective view of a scraper cleaning out a hopper;

Figure 2 is a schematic diagram of the connection structure between the scraper and the transmission chain after the scraper rack removes the guide plate;

Fig. 3 is a partial structural schematic diagram of the scraper frame cut along the direction perpendicular to the extension of the bottom plate;

In the figure: 1. Discharge hopper; 2. Bottom plate; 3. Material retaining plate; 4. Scraper rack; 5. Scraper; 6. Track; 7. Drive chain; 8. Motor; 9. Knife plate; 10. Moving rod ; 11, the first chute; 12, the second chute; 13, the guide plate; 14, the universal coupling; 15, the first gear; 16, the second gear.

Detailed ways

Below in conjunction with accompanying drawing and through embodiment the utility model is further described.

As shown in Figures 1 to 3, the three-roll mill described in this embodiment includes a discharge hopper 1, and the discharge hopper 1 includes a bottom plate 2 and two material retaining plates 3, the bottom plate 2 is in the shape of an isosceles trapezoidal column, and the two material retaining plates The length of the plate 3 corresponds to the length of the hypotenuses on both sides of the bottom plate 2, that is, corresponds to the length of the waist of the isosceles trapezoid. On the top, the upper side of the bottom plate 2 is attached to the fast roller on the three-roll mill. The upper side of the bottom plate 2 is the longer bottom edge of the isosceles trapezoid. The fast roller is one of the three rollers on the three-roll mill. The three rolls are slow roll, middle roll and fast roll. The fast roll has the fastest speed and is used for the last grinding material. The material is scraped off and placed on the bottom plate 2. The two baffle plates 3 on the left and right sides of the bottom plate 2 are used to collect the flow of materials. The bottom plate 2 is set obliquely downward so that the materials scraped on the bottom plate 2 can be The storage container slides from the base plate 2 to the storage container placed below the base plate 2 by gravity.

The three-roll mill also includes two scraper racks 4, which are respectively placed in one-to-one correspondence with the two stopper plates 3, that is, the two scraper racks 4 are also placed on the left and right sides of the bottom plate 2 For ease of expression, the orientation of the two sides of the bottom plate 2 relative to the bottom plate 2 is taken as the left and right sides of the bottom plate 2, and the scraper frame 4 can be welded and fixed on the outer wall of the material baffle plate 3 on the adjacent side, or can be placed On the ground or fixed on the body of the three-roll grinder, when the scraper frame 4 is fixed on the baffle plate 3, it will increase the overall weight of the discharge hopper 1, so in order to ensure the inclination angle and The implementation of the discharge hopper 1 can be provided with support rods and the like at the bottom of the scraper frame 4 to support the weight of objects such as the column scraper frame 4 .

The scraper frame 4 is provided with a transmission chain 7 and a motor 8, and the transmission chain 7 can be 7 transmission chains used on the bicycle, or can be a conveyor belt used when the factory transports goods, and the motor 8 is fixed on On the scraper frame 4, the output end of the motor 8 is connected with the first gear 15, and now the first gear 15 can be coaxially arranged with the output end of the motor 8 and welded and fixedly connected, and the running motor 8 can drive the first gear 15 to rotate, The motor 8 can also be installed on the body of the three-roll mill or on the ground. At this time, the output end of the motor 8 can be meshed with the first gear 15 through parts such as a transmission rod with a gear, so as to drive the first gear 15 to rotate Effect.

The scraper frame 4 is provided with a second gear 16, and the second gear 16 is kept on the scraper frame 4 to rotate by parts such as a rotating shaft. The axes of the first gear 15 and the second gear 16 are parallel to each other, and the first gear 15 and the second gear Two gears 16 and all rotate along the extending direction of the baffle plate 3 near scraper frame 4 one side, and the gear teeth on the first gear 15 and the second gear 16 correspond to the corresponding tooth slots on the transmission chain 7, and the transmission chain 7. Synchronously sleeved on the first gear 15 and the second gear 16 and both are meshed with the first gear 15 and the second gear 16. When the motor 8 drives the first gear 15 to run, it can drive the transmission chain 7 along the baffle plate 3. Move in the direction of extension.

The scraper frame 4 also includes a scraper 5, the scraper 5 includes a knife plate 9 and a moving bar 10, the knife plate 9 and the moving bar 10 are welded and fixed, and the knife plate 9 and the moving bar 10 extend along a direction perpendicular to the extension of the base plate 2 Setting, that is, extending along the left and right sides of the base plate 2, that is, the knife plate 9 and the moving rod 10 are parallel to the two bottom edges of the base plate 2, and the length of the knife plate 9 is less than the length of the bottom edge of the shorter side of the base plate 2. The knife plate 9 can pass through the underside of the bottom plate 2. When the knife plate 9 is placed in the discharge hopper 1, the side edge of the knife plate 9 near the bottom plate 2 and the material retaining plate 3 on the adjacent side is connected with the bottom plate 2 and the material retaining plate. The plates 3 fit together, and the knife plate 9 moves from the upper side of the bottom plate 2 to the lower side of the bottom plate 2. When the knife plate 9 moves, the knife plate 9 will scrape the materials accumulated on the bottom plate 2 and the retaining plate 3 Clean and push the material to flow out from the underside of the bottom plate 2 into the storage container.

The moving rod 10 is fixedly connected to the outside of the transmission chain 7. When the transmission chain 7 is in operation, the moving rod 10 and the knife plate 9 follow the transmission chain 7 along the running track of the transmission chain 7 to make a rotary motion, so that the scraper 5 as a whole can be repeatedly cycled. Scrape off the material on the discharge hopper 1. In the case where the moving rod 10 is directly fixedly connected with the transmission chain 7, when the scraper 5 rotates, the orientation of the scraper 5 will change, so it will take up a lot of extra space. There is also the problem of limiting the angle setting of the discharge hopper 1 in a small range.

Therefore, this embodiment provides another embodiment in which the transmission chain 7 drives the scraper 5 to perform rotary motion. The scraper frame 4 also includes a track 6 at this time, and the track 6 includes a first chute 11 and a second chute 12. The chute 11 is provided on the side wall of the scraper frame 4, and the track of the first chute 11 is circular. Around the outside of the track of the transmission chain 7, the moving rod 10 can move around the outside of the transmission chain 7. The cross section of the first chute 11 can be in the shape of a tongue and groove, a circle, a cuboid, etc. One end of the moving rod 10 The end of the moving rod 10 that can extend into the first chute 11 and extend into the first chute 11 can be set to a corresponding shape, so that the end of the moving rod 10 remains placed in the first chute 11 and The moving rod 10 can keep moving along the track of the first chute 11 .

The scraper frame 4 is welded and fixed with some pillars, and the pillars pass through the hollow part of the chain ring of the transmission chain 7, and the other ends of the several pillars are all welded and fixed with one end of the guide plate 13, and the shape of the guide plate 13 is circular, guiding plate 13 and corresponds to the track shape of the first chute 11, the side wall of the guide plate 13 is in conflict with the side wall of the moving rod 10, the side wall of the scraper frame 4 is also in conflict with the side wall of the moving rod 10, and the guide The point where the plate 13 and the scraper frame 4 collide with the moving rod 10 is symmetrical around the axis of the moving rod 10, and the moving direction of the moving rod 10 is guided by the conflict between the guide plate 13 and the scraper frame 4 on both symmetrical ends of the moving rod 10 The gap between the guide plate 13 and the scraper frame 4 forms the second chute 12, the second chute 12 has the same track size as the first chute 11 and is arranged in parallel along the direction perpendicular to the extension of the bottom plate 2 , through the restriction and guiding effect of the first chute 11 and the second chute 12 on the moving rod 10, the knife plate 9 is always set along the direction perpendicular to the extension of the bottom plate 2 when it is doing rotary motion, reducing the coverage of the scraper 5 range, to improve the implementability of more angles of the discharge hopper 1.

The transmission chain 7 is provided with a universal joint 14, the universal joint 14 is a cross universal joint 14 with one end telescopic, and the telescopic end of the universal joint 14 can be welded or bonded to the transmission chain 7, the other end of the moving rod 10 passes through the other end of the universal joint 14 and is welded to this end. Since the orientation of the moving rod 10 does not change, and the moving direction of the transmission chain 7 is consistent with the extending direction of the track 6 There is an included angle, so when the moving rod 10 follows the transmission chain 7 to make a rotary motion and moves to a curved track, there will be an amount of displacement of the moving rod 10 to change the angular direction and relative to the transmission chain 7, through the rotation and steering of the universal joint 14 And scaling effects can offset and adapt to the direction and amount of displacement of these transformations.

Claims (5)

1. The utility model provides a three-roller mill convenient to clearance goes out hopper, including being used for deriving the material, the play hopper includes the bottom plate and is fixed in two striker plates of bottom plate left and right sides respectively, characterized by still including setting up in two scraping the work or material rest of play hopper left and right sides respectively, it has one to laminate in the bottom plate in step and with scraping the scraper that the striker plate removed near one side removed, supplies the track that the scraper removed, drive the scraper is followed orbital motion's drive chain and drive chain moving motor, the scraper is followed the perpendicular to the direction extension setting that the bottom plate extends, the drive chain with the scraper is fixed to link to each other, the motor with the drive chain transmission links to each other, and the operation the motor passes through the drive chain and drives the scraper will go out the material on the hopper is scraped.

2. The three-roll grinder of claim 1, wherein the scraper comprises a knife plate and a moving rod which are connected with each other, the moving rod is arranged on the track to move, the moving rod is fixedly connected with the transmission chain, the transmission chain is operated to drive the moving rod to move along the track of the track, and when the moving rod drives the knife plate to move into the discharging hopper, the knife plate is synchronously attached to the bottom plate and one side of the material baffle plate, and the materials on the bottom plate and the material baffle plate are scraped.

3. The three-roll grinder as set forth in claim 2, wherein the rail includes a first chute and a second chute for the moving rod to move, the first chute is provided on the scraper frame, the first chute is circular, the end of the moving rod is held in the first chute and moves along the first chute, the scraper frame is fixedly connected with a guide plate, a gap track between the guide plate and the scraper frame forms the second chute, two points of contact between the side wall of the guide plate and the side wall of the scraper frame are symmetrical relative to the axis of the moving rod, the track of the second chute is identical to the track of the first chute in size and is arranged along the extending direction of the scraper plate, and the second chute and the first chute are mutually parallel to each other along the extending direction of the bottom plate, so that the scraper moves in a rotary manner along the extending direction of the scraper plate when moving along the rail.

4. The three-roll grinder of claim 2, wherein the drive chain is provided with a universal coupling and fixedly connected to one end of the universal coupling, and the moving rod passes through the other end of the universal coupling and is fixedly connected to the universal coupling.

5. The three-roller grinder of claim 1, wherein the motor is fixedly connected to the scraping frame, a first gear is connected to the output end of the motor, the scraping frame is rotatably connected to a second gear, the transmission chain is synchronously sleeved on the first gear and the second gear and is meshed with the first gear and the second gear, and the motor is operated to drive the transmission chain to move.

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