Accurate metering and mixing device for silicone rubber production

Abstract

The utility model relates to the technical field of silicone rubber production, and discloses an accurate metering and mixing device for silicone rubber production, which solves the problem that raw materials are not thoroughly mixed at present, and comprises a base, a mixing cylinder is arranged above the base, a shaking mechanism is arranged on the outer side of the mixing cylinder, and a stirring mechanism is arranged in the mixing cylinder. The top of the mixing cylinder is fixedly connected with a feeding pipe, and the top end of the feeding pipe is fixedly connected with a hose; according to the utility model, raw materials can be conveyed into the mixing cylinder according to preset flow and time through the matching of the conveying pipe, the metering pump, the hose and the feeding pipe, so that the effect of accurate metering is achieved, and a sliding plate can slide along an L-shaped round rod conveniently through the matching of a motor I, a transmission shaft, a rotating rod and a movable rod; and through the cooperation of a toothed plate, an outer gear and a supporting shaft, the mixing barrel can rotate in a reciprocating manner to shake, so that the raw materials can be thoroughly mixed.

Description

Technical Field

[0001] The utility model belongs to the technical field of silicone rubber production, in particular to a precise metering and mixing device for silicone rubber production. Background Art

[0002] Silicone rubber refers to a rubber whose main chain is composed of alternating silicon and oxygen atoms, and the silicon atom is usually connected to two organic groups. Ordinary silicone rubber is mainly composed of silicon-oxygen chain segments containing methyl and a small amount of vinyl. In the production process of silicone rubber, multiple raw materials need to be mixed. According to the patent document with authorization announcement number: CN216321668U, entitled "A raw material mixing device for silicone rubber production", the stirring rod is rotated to drive the stirring blade to rotate, thereby facilitating the mixing of the silicone rubber raw materials. The first scraper is rotated to facilitate the first scraper to scrape the inner wall of the mixing box, thereby facilitating the removal of the silicone rubber raw materials from the inner wall of the mixing box. However, the following defects still exist:

[0003] The raw materials are mixed by rotating stirring blades, and the stirring method is single, which easily leads to incomplete mixing of the raw materials and low mixing efficiency. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a precise metering and mixing device for silicone rubber production, which effectively solves the current problem of incomplete mixing of raw materials.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a precise metering and mixing device for silicone rubber production, comprising a base, a mixing drum provided above the base, a shaking mechanism provided on the outside of the mixing drum, a stirring mechanism provided inside the mixing drum, a feed pipe fixedly connected to the top of the feed pipe, a hose fixedly connected to the end of the hose away from the feed pipe, a metering pump fixedly connected to the metering pump, and a delivery pipe fixedly connected to the metering pump;

[0006] The shaking mechanism includes two vertical plates symmetrically fixed on the top of the base, the mixing drum is located between the two vertical plates, a support shaft is rotatably connected between the two vertical plates, an external gear is fixedly installed on the outside of the support shaft, a triangular drum is fixedly installed on the bottom of the mixing drum, a discharge pipe is fixedly installed on the outside of the triangular drum, a U-shaped seat is fixedly installed on the bottom of the triangular drum, and the external gear is fixed to the bottom of the U-shaped seat.

[0007] Preferably, two side columns are symmetrically fixedly connected to the outer side of the mixing cylinder, and balls are installed on the ends of the two side columns away from the mixing cylinder, and the two balls are respectively fitted with the two vertical plates.

[0008] Preferably, an L-shaped plate is fixedly installed on the top of the base, the metering pump is fixed on the top of the L-shaped plate, an L-shaped round rod located below the support shaft is fixedly connected between the outer side of the L-shaped plate and the top of the base, a skateboard is movably sleeved on the outer side of the L-shaped round rod, a tooth plate is fixedly installed on the top of the skateboard, the tooth plate is meshed with the external gear, and the bottom of the skateboard is provided with a support wheel located on the top of the base.

[0009] Preferably, the L-shaped plate is fixedly mounted with a motor 1, a transmission shaft is fixedly connected to the motor 1, a rotating rod is fixedly mounted on the end of the transmission shaft away from the motor 1, a support plate is fixedly mounted on the L-shaped plate, the transmission shaft passes through the support plate and is rotatably connected to the support plate, one end of the rotating rod is rotatably connected to a movable rod, and the end of the movable rod away from the rotating rod is rotatably connected to the skateboard.

[0010] Preferably, the stirring mechanism includes an L-shaped seat fixed to the top of the mixing drum, on which motor 2 is fixedly mounted, a stirring shaft is fixedly connected to motor 2, the bottom end of the stirring shaft extends to the interior of the mixing drum, and the outer side of the stirring shaft is evenly fixedly connected to stirring blades located in the mixing drum.

[0011] Preferably, two scrapers are symmetrically provided on the inner wall of the mixing drum, and two connecting rods are symmetrically fixedly connected between the two scrapers and the stirring shaft.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) The utility model can deliver raw materials into the mixing drum according to a preset flow rate and time through the cooperation between the delivery pipe and the metering pump and the hose and the feed pipe, thereby achieving the effect of precise metering. The cooperation between the motor 1 and the transmission shaft and the rotating rod and the movable rod facilitates the sliding of the slide plate along the L-shaped round rod, and the cooperation between the tooth plate and the external gear and the support shaft facilitates the reciprocating rotation and shaking of the mixing drum, thereby facilitating the thorough mixing of the raw materials.

[0014] (2) The new type facilitates the rotation of the stirring blade to stir the raw materials through the cooperation between the second motor and the stirring shaft, thereby improving the mixing effect of the raw materials, and facilitates the removal of the raw materials adhering to the inner wall of the mixing barrel through the cooperation between the connecting rod and the scraper. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached figure:

[0017] Figure 1 This is a schematic diagram of the structure of the precise metering and mixing device for silicone rubber production of the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the mixing cylinder of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the shaking mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the stirring mechanism structure of the present utility model.

[0021] In the figure: 1. base; 2. shaking mechanism; 201. vertical plate; 202. support shaft; 203. external gear; 204. side column; 205. ball bearing; 206. tooth plate; 207. L-shaped plate; 208. motor 1; 209. transmission shaft; 2010. support plate; 2011. rotating rod; 2012. movable rod; 2013. support wheel; 2014. slide plate; 2015. L-shaped round rod; 3. stirring mechanism; 301. L-shaped seat; 302. motor 2; 303. scraper; 304. stirring blade; 305. stirring shaft; 306. connecting rod; 4. mixing barrel; 5. feed pipe; 6. hose; 7. delivery pipe; 8. metering pump; 9. triangular barrel; 10. U-shaped seat; 11. discharge pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] Embodiment 1, by Figure 1-2 The utility model includes a base 1, a mixing drum 4 is provided above the base 1, a shaking mechanism 2 is provided on the outside of the mixing drum 4, a stirring mechanism 3 is provided inside the mixing drum 4, a feeding pipe 5 is fixedly connected to the top of the mixing drum 4, a hose 6 is fixedly connected to the top of the feeding pipe 5, a metering pump 8 is fixedly connected to the end of the hose 6 away from the feeding pipe 5, a delivery pipe 7 is fixedly connected to the metering pump 8, and the delivery pipe 7 is connected to the mixing drum 4 through the hose 6 and the feeding pipe 5, and can deliver the raw materials to the mixing drum 4 according to the preset flow rate and time, so as to achieve the effect of precise metering.

[0024] Specifically, by Figure 2-3It is given that the shaking mechanism 2 includes two vertical plates 201 symmetrically fixed on the top of the base 1, the mixing drum 4 is located between the two vertical plates 201, and a support shaft 202 is rotatably connected between the two vertical plates 201. The outer side of the support shaft 202 is fixedly installed with an external gear 203, and the bottom of the mixing drum 4 is fixedly installed with a triangular drum 9, and the outer side of the triangular drum 9 is fixedly installed with a discharge pipe 11. A solenoid valve is installed on the discharge pipe 11. When the mixing drum 4 rotates and tilts, the solenoid valve on the discharge pipe 11 can be opened. At this time, the mixed raw materials are completely discharged from the discharge pipe 11 through the triangular drum 9. A U-shaped seat 10 is fixedly installed at the bottom, and an external gear 203 is fixed to the bottom of the U-shaped seat 10. Two side columns 204 are symmetrically fixedly connected to the outside of the mixing cylinder 4. Balls 205 are installed at one end of the two side columns 204 away from the mixing cylinder 4. The two balls 205 are respectively fitted with the two vertical plates 201. When the mixing cylinder 4 rotates, the two balls 205 roll on the two vertical plates 201 respectively, which limit the mixing cylinder 4 and ensure the stability of the mixing cylinder 4 during rotation. An L-shaped plate 207 is fixedly installed on the top of the base 1, and the metering pump 8 is fixed on the top of the L-shaped plate 207. An L-shaped round rod 2015 located below the support shaft 202 is fixedly connected between the outer side of the plate 207 and the top of the base 1. A slide 2014 is movably sleeved on the outer side of the L-shaped round rod 2015. A toothed plate 206 is fixedly installed on the top of the slide 2014. The toothed plate 206 is meshed with the outer gear 203. The bottom of the slide 2014 is provided with a support wheel 2013 located on the top of the base 1. The support wheel 2013 is provided to support and limit the slide 2014 to ensure the stability of the slide 2014 when it slides along the L-shaped round rod 2015. A motor is fixedly installed on the L-shaped plate 207. 1 208, a transmission shaft 209 is fixedly connected to the motor 1 208, and a rotating rod 2011 is fixedly installed on the end of the transmission shaft 209 away from the motor 1 208. A support plate 2010 is fixedly installed on the L-shaped plate 207. The transmission shaft 209 passes through the support plate 2010 and is rotatably connected to the support plate 2010. The support plate 2010 supports the transmission shaft 209 to ensure the stability of the transmission shaft 209 during rotation. One end of the rotating rod 2011 is rotatably connected to the movable rod 2012, and the end of the movable rod 2012 away from the rotating rod 2011 is rotatably connected to the slide plate 2014;

[0025] When in use, first start the motor 208 to drive the transmission shaft 209 to rotate, and drive the rotating rod 2011 to rotate, and drive the slide plate 2014 to slide back and forth along the L-shaped round rod 2015 through the movable rod 2012, and drive the tooth plate 206 to move horizontally. Since the tooth plate 206 is engaged with the outer gear 203, it drives the outer gear 203 and the support shaft 202 to rotate, and drives the U-shaped seat 10 and the triangular cylinder 9 to rotate. At this time, the mixing cylinder 4 rotates back and forth and shakes, and finally achieves thorough mixing of the raw materials in the mixing cylinder 4.

[0026] Specifically, by Figure 4 The stirring mechanism 3 includes an L-shaped seat 301 fixed to the top of the mixing drum 4, a second motor 302 is fixedly mounted on the L-shaped seat 301, a stirring shaft 305 is fixedly connected to the second motor 302, the bottom end of the stirring shaft 305 extends into the interior of the mixing drum 4, the outer side of the stirring shaft 305 is evenly fixedly connected to the stirring blade 304 located in the mixing drum 4, two scrapers 303 are symmetrically provided on the inner wall of the mixing drum 4, and two connecting rods 306 are symmetrically fixedly connected between the two scrapers 303 and the stirring shaft 305;

[0027] When in use, first start the second motor 302 to drive the stirring shaft 305 to rotate, and drive the stirring blades 304 to rotate to stir the raw materials, thereby improving the mixing effect of the raw materials, and at the same time drive the two scrapers 303 to rotate, and finally remove the raw materials adhering to the inner wall of the mixing barrel 4.

Claims

1. A precise metering and mixing device for silicone rubber production, comprising a base (1), characterized in that: A mixing drum (4) is provided above the base (1), a shaking mechanism (2) is provided on the outside of the mixing drum (4), a stirring mechanism (3) is provided inside the mixing drum (4), a feeding pipe (5) is fixedly connected to the top of the mixing drum (4), a hose (6) is fixedly connected to the top of the feeding pipe (5), a metering pump (8) is fixedly connected to the end of the hose (6) away from the feeding pipe (5), and a delivery pipe (7) is fixedly connected to the metering pump (8); The shaking mechanism (2) comprises two vertical plates (201) symmetrically fixed to the top of the base (1); the mixing drum (4) is located between the two vertical plates (201); a support shaft (202) is rotatably connected between the two vertical plates (201); an external gear (203) is fixedly mounted on the outer side of the support shaft (202); a triangular drum (9) is fixedly mounted on the bottom of the mixing drum (4); a discharge pipe (11) is fixedly mounted on the outer side of the triangular drum (9); a U-shaped seat (10) is fixedly mounted on the bottom of the triangular drum (9); and the external gear (203) is fixed to the bottom of the U-shaped seat (10).

2. The precise metering and mixing device for silicone rubber production according to claim 1, characterized in that: Two side columns (204) are symmetrically fixedly connected to the outer side of the mixing cylinder (4), and balls (205) are installed at one end of the two side columns (204) away from the mixing cylinder (4), and the two balls (205) are respectively fitted with the two vertical plates (201).

3. The precise metering and mixing device for silicone rubber production according to claim 1, characterized in that: An L-shaped plate (207) is fixedly mounted on the top of the base (1), a metering pump (8) is fixed on the top of the L-shaped plate (207), an L-shaped round rod (2015) located below the support shaft (202) is fixedly connected between the outer side of the L-shaped plate (207) and the top of the base (1), a slide plate (2014) is movably sleeved on the outer side of the L-shaped round rod (2015), a tooth plate (206) is fixedly mounted on the top of the slide plate (2014), the tooth plate (206) is meshedly connected with the external gear (203), and a support wheel (2013) located on the top of the base (1) is provided at the bottom of the slide plate (2014).

4. The precise metering and mixing device for silicone rubber production according to claim 3, characterized in that: A motor (208) is fixedly mounted on the L-shaped plate (207), a transmission shaft (209) is fixedly connected to the motor (208), a rotating rod (2011) is fixedly mounted on one end of the transmission shaft (209) away from the motor (208), a support plate (2010) is fixedly mounted on the L-shaped plate (207), the transmission shaft (209) passes through the support plate (2010) and is rotatably connected to the support plate (2010), one end of the rotating rod (2011) is rotatably connected to a movable rod (2012), and one end of the movable rod (2012) away from the rotating rod (2011) is rotatably connected to a slide plate (2014).

5. The precise metering and mixing device for silicone rubber production according to claim 1, characterized in that: The stirring mechanism (3) comprises an L-shaped seat (301) fixed to the top of the mixing drum (4), a second motor (302) being fixedly mounted on the L-shaped seat (301), a stirring shaft (305) being fixedly connected to the second motor (302), the bottom end of the stirring shaft (305) extending into the interior of the mixing drum (4), and a stirring blade (304) located in the mixing drum (4) being evenly fixedly connected to the outer side of the stirring shaft (305).

6. The precise metering and mixing device for silicone rubber production according to claim 1, characterized in that: Two scrapers (303) are symmetrically provided on the inner wall of the mixing drum (4), and two connecting rods (306) are symmetrically fixedly connected between the two scrapers (303) and the stirring shaft (305).

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