Stevioside stirring crystallization kettle

Abstract

The utility model discloses a stevioside stirring crystallization kettle, which relates to the technical field of food processing and comprises a kettle body, a stirring mechanism is arranged in the kettle body, and a driving mechanism is arranged at the top end of the kettle body. The stirring mechanism comprises a stirring shaft and supporting blocks, screw rods are fixedly arranged at the top and the bottom of the stirring shaft, scraping strips are fixedly connected to the two sides of the stirring shaft through stirring rods, bent rods are arranged at the bottoms of the scraping strips, and a plurality of supporting rods are connected to the bottom end of the stirring shaft through the supporting blocks; the stevioside crystallization kettle has the beneficial effects that the stirring shaft of the stirring mechanism is driven by the driving mechanism to rotate, the screw rods are matched with the stirring rod to crystallize and stir stevioside in the kettle body, and the two screw rods are respectively positioned at the top and the bottom of the stirring shaft, so that the spiral directions of the screw rods are opposite by mounting the two screw rods in opposite directions, and the stirring effect is improved. The stirring effect can be improved, and the supporting rod and the supporting block can support the bottom end of the stirring shaft.

Description

Technical Field

[0001] The utility model relates to a crystallization kettle, in particular to a stevioside stirring crystallization kettle, belonging to the technical field of food processing. Background Art

[0002] Stevioside, also known as stevioside, is a glycoside extracted from the leaves of Asteraceae plants. Its sweet components are composed of stevioside and stevioside A, B, C, D and E. Stevioside can be extracted, clarified and crystallized from dry leaves with water.

[0003] The "crystallization kettle for stevioside production" disclosed in its application number "CN202123349100.X" "comprises a crystallization kettle body, a stirring shaft is arranged in the crystallization kettle body, the stirring shaft is connected to the rotating shaft of the motor through a coupling, and the stirring shaft is axially provided with a plurality of auger blades". In the utility model, the material that is difficult to stir at the bottom of the crystallization kettle body can be transported upward by the rotation of the auger blades, thereby accelerating the mixing between the upper material and the lower material, making the material mixing effect in the entire crystallization kettle body better, the material crystallization is thorough, and the product purity is high. At the same time, the material in the crystallization kettle body flows rapidly, which accelerates the crystallization process and shortens the crystallization cycle. The side scraper can hang down the material hanging on the wall to prevent the material from accumulating on the kettle wall and affecting the heating effect, while improving the product yield.

[0004] However, the above method still has the following defects: the bottom of the stirring shaft has no support and has poor stability. The setting of the auger blades and scrapers increases the weight of the stirring shaft. The stirring shaft is prone to shaking when rotating, which will cause friction and collision between the scraper and the inner wall of the crystallization kettle, making it difficult to maintain stability during stirring. Utility Model Content

[0005] The utility model aims to provide a stevioside stirring crystallization kettle to solve the problem that the bottom of the stirring shaft proposed in the above background technology has no support, poor stability and easy shaking.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stevia stirring crystallization kettle, comprising a kettle body, a stirring mechanism is arranged inside the kettle body, and a driving mechanism is arranged at the top of the kettle body; the stirring mechanism comprises a stirring shaft and a support block, spiral rods are fixedly arranged at the top and bottom of the stirring shaft, scrapers are fixedly connected to both sides of the stirring shaft through the stirring rods, a bent rod is arranged at the bottom of the scraper bar, a plurality of supporting rods are connected to the bottom end of the stirring shaft through the support block, and a connecting disk is welded to the top end of the stirring shaft; the driving mechanism comprises a cover plate and a rotating shaft, the cover plate is connected to the top end of the kettle body, the middle part of the cover plate is rotatably connected to the rotating shaft, the bottom end of the rotating shaft is connected to the connecting disk through the support disk, and the bottom end of the support disk is fixedly connected to the top end of the connecting disk by bolts.

[0007] As an optimal technical solution of the utility model, a clamping block is fixedly provided at the bottom end of the stirring shaft, a clamping groove is opened in the middle of the top end of the support block, the clamping block is engaged with the clamping groove, a support shaft is welded in the middle of the bottom end of the support block, and the bottom end of the support shaft is rotatably connected with a support plate through a bearing.

[0008] As a preferred technical solution of the utility model, the top end of the support rod is welded to the bottom end of the support plate, and the bottom end of the support rod is welded to the inner wall of the bottom end of the kettle body.

[0009] As a preferred technical solution of the utility model, the bottom end of the rotating shaft is welded to the middle part of the top end of the supporting plate, the top end of the connecting plate is fixedly connected to the bottom end of the supporting plate by bolts, a second card slot is provided in the middle part of the bottom end of the supporting plate, a second card block is fixedly provided in the middle part of the top end of the connecting plate, and the second card block is engaged with the second card slot.

[0010] As a preferred technical solution of the utility model, a motor is fixedly mounted on the top of the cover plate through a mounting seat, the output shaft of the motor is connected to a worm, the worm is meshingly connected to a worm wheel, and the middle part of the bottom end of the worm wheel is fixedly connected to the top of the rotating shaft.

[0011] As a preferred technical solution of the utility model, the top end of the cover plate is fixedly connected to a vertical plate, and one end of the worm is rotatably connected to the top of one side of the vertical plate.

[0012] As a preferred technical solution of the utility model, a protective cover is fixedly provided on the top of the cover plate, the motor and the worm are both located inside the protective cover, an inspection cover is fixedly connected to the top of the protective cover by bolts, and a heat dissipation grille is provided on the surface of the inspection cover.

[0013] As an optimal technical solution of the utility model, a discharge valve is fixedly installed at the bottom end of the kettle body, a feed pipe is fixedly provided at the top of the kettle body, a support ring is welded at the top of the kettle body, and the top of the support ring is fixedly connected to the bottom end of the cover plate by bolts.

[0014] Compared with the related art, the stevioside stirring crystallization kettle provided by the utility model has the following features:

[0015] Beneficial effects:

[0016] The stirring shaft of the stirring mechanism is driven to rotate by the driving mechanism, and the spiral rod cooperates with the stirring rod to crystallize and stir the stevia inside the kettle body. Since the two spiral rods are respectively located at the top and bottom of the stirring shaft, the two spiral rods are installed in opposite directions so that the spiral directions of the spiral rods are opposite, which can improve the stirring effect. The top end of the stirring shaft can be supported by the driving mechanism, and the support rod and the support block can support the bottom end of the stirring shaft, which improves the stability of the stirring shaft. The stirring shaft is not easy to shake when rotating, which can prevent the scraper from rubbing and colliding with the inner wall of the kettle body, and can improve the stability during stirring. By opening the cover of the driving mechanism and lifting it, the stirring shaft can be quickly taken out of the kettle body, which is convenient for disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 3 This is a structural schematic diagram of the cover plate of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the stirring shaft of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the support block of the utility model;

[0022] Figure 6 It is a structural schematic diagram of the rotating shaft of the utility model.

[0023] In the figure: 1. kettle body; 2. stirring mechanism; 201. stirring shaft; 202. spiral rod; 203. stirring rod; 204. scraper; 205. bent rod; 206. block one; 207. support block; 208. slot one; 209. support shaft; 2010. support plate; 2011. support rod; 2012. connecting plate; 2013. block two; 3. driving mechanism; 301. cover plate; 302. protective cover; 303. inspection cover; 304. heat dissipation grille; 305. mounting seat; 306. motor; 307. worm; 308. vertical plate; 309. rotating shaft; 3010. worm wheel; 3011. support plate; 3012. slot two; 4. discharge valve; 5. support ring; 6. feed pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-6 The utility model provides a stevioside stirring crystallization kettle, comprising a kettle body 1, a stirring mechanism 2 is arranged inside the kettle body 1, and a driving mechanism 3 is arranged at the top of the kettle body 1;

[0027] The stirring mechanism 2 includes a stirring shaft 201 and a support block 207. The top and bottom of the stirring shaft 201 are fixedly provided with a spiral rod 202. Both sides of the stirring shaft 201 are fixedly connected with a scraper bar 204 through a stirring rod 203. The spiral rod 202 cooperates with the stirring rod 203 to stir the crystallization of stevioside inside the kettle body 1. Since the two spiral rods 202 are respectively located at the top and bottom of the stirring shaft 201, the stirring effect can be improved. A bent rod 205 is provided at the bottom of the scraper bar 204. The bottom end of the stirring shaft 201 is connected to a plurality of support rods 2011 through a support block 207. A connecting plate 2012 is welded to the top of the stirring shaft 201.

[0028] A clamping block 206 is fixedly provided at the bottom end of the stirring shaft 201, a clamping groove 208 is provided in the middle of the top end of the support block 207, the clamping block 206 is clamped and connected with the clamping groove 208, a support shaft 209 is welded in the middle of the bottom end of the support block 207, the bottom end of the support shaft 209 is rotatably connected with a support plate 2010 through a bearing, the bottom end of the stirring shaft 201 is connected to the support block 207 through the clamping block 206 and the clamping groove 208, so as to facilitate the rapid connection of the stirring shaft 201 to the support block 207;

[0029] The top end of the support rod 2011 is welded to the bottom end of the support plate 2010, and the bottom end of the support rod 2011 is welded to the inner wall of the bottom end of the kettle body 1. The support rod 2011 can support the bottom end of the support plate 2010, thereby ensuring the firmness and stability of the support plate 2010.

[0030] Embodiment 2:

[0031] The driving mechanism 3 includes a cover plate 301 and a rotating shaft 309. The cover plate 301 is connected to the top of the kettle body 1. The middle part of the cover plate 301 is rotatably connected with the rotating shaft 309. The bottom end of the rotating shaft 309 is connected to the connecting plate 2012 through a supporting plate 3011. The bottom end of the supporting plate 3011 is fixedly connected to the top of the connecting plate 2012 through bolts. The supporting plate 3011 and the connecting plate 2012 are fixed by bolts and can be installed and disassembled.

[0032] The bottom end of the rotating shaft 309 is welded to the middle of the top of the supporting disk 3011, the top of the connecting disk 2012 is fixedly connected to the bottom of the supporting disk 3011 by bolts, a second clamping groove 3012 is provided in the middle of the bottom of the supporting disk 3011, a second clamping block 2013 is fixedly provided in the middle of the top of the connecting disk 2012, the second clamping block 2013 is clamped and connected with the second clamping groove 3012, and the torque can be transmitted through the second clamping block 2013;

[0033] The top of the cover plate 301 is fixedly mounted with a motor 306 through a mounting seat 305, the output shaft of the motor 306 is connected with a worm 307, the worm 307 is meshedly connected with a worm wheel 3010, the middle of the bottom end of the worm wheel 3010 is fixedly connected with the top of the rotating shaft 309, the worm 307 is driven by the motor 306, and the worm 307 can drive the rotating shaft 309 to rotate through the worm wheel 3010;

[0034] The top of the cover plate 301 is fixedly connected with a vertical plate 308, and one end of the worm 307 is rotatably connected to the top of one side of the vertical plate 308, so that the worm 307 can be supported by the vertical plate 308;

[0035] A protective cover 302 is fixedly provided on the top of the cover plate 301. The motor 306 and the worm 307 are both located inside the protective cover 302. The protective cover 302 can provide protection for the motor 306 and the worm 307. An inspection cover 303 is fixedly connected to the top of the protective cover 302 by bolts. The inside of the protective cover 302 can be repaired by opening the inspection cover 303. A heat dissipation grille 304 is provided on the surface of the inspection cover 303. The heat dissipation grille 304 can ensure the heat dissipation activity inside the protective cover 302.

[0036] A discharge valve 4 is fixedly installed at the bottom end of the kettle body 1, a feed pipe 6 is fixedly provided at the top of the kettle body 1, a support ring 5 is welded to the top end of the kettle body 1, and the top end of the support ring 5 is fixedly connected to the bottom end of the cover plate 301 by bolts. Material can be supplied into the kettle body 1 through the feed pipe 6, and material can be discharged by opening the discharge valve 4. The cover plate 301 can be supported by the support ring 5, so that the cover plate 301 can be installed and disassembled conveniently.

[0037] When in use, the staff first engages the second block 2013 with the second slot 3012, and then fixes the connecting plate 2012 and the supporting plate 3011 by bolts, and then vertically puts the stirring shaft 201 into the kettle body 1, so that the block 1 206 at the bottom end of the stirring shaft 201 is located inside the second slot 3012 on the surface of the supporting block 207, and then fixes the cover plate 301 to the supporting ring 5 at the top of the kettle body 1 by bolts, and the installation of the stirring shaft 201 is completed;

[0038] When the stevioside needs to be crystallized and stirred, the staff feeds the material into the kettle body 1 through the feed pipe 6, and then drives the worm 307 through the motor 306. The worm 307 can drive the rotating shaft 309 to rotate through the worm gear 3010. The screw rod 202 cooperates with the stirring rod 203 to crystallize and stir the stevioside inside the kettle body 1. The two screw rods 202 installed in opposite directions can improve the stirring effect. In this process, the support plate 3011 can support the top of the stirring shaft 201 through the connecting plate 2012, and the block 2 06 and the card slot 208 can ensure the transmission of torque, the support rod 2011 and the support block 207 can support the bottom end of the stirring shaft 201, which can improve the stability of the stirring shaft 201, and the stirring shaft 201 is not easy to shake when rotating, which can prevent the scraper 204 from rubbing and colliding with the inner wall of the kettle body 1, and can improve the stability during stirring. The support shaft 209 can rotate with the stirring shaft 201 through the bearing at its bottom end, which can prevent the torque of the support shaft 209 from being transmitted to the support plate 2010 and the support rod 2011;

[0039] After the stevioside is stirred and crystallized, the staff opens the discharge valve 4 to discharge the material. The scraper 204 can scrape off the material attached to the inner wall of the kettle body 1, and it is not easy to produce residue. When the stirring shaft 201 needs to be disassembled, the staff opens the cover 301 of the driving mechanism 3 and lifts it. The block 2013 can be separated from the slot 2 3012, and the stirring shaft 201 can be quickly taken out from the kettle body 1, which is convenient for quick disassembly and maintenance.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stevioside stirring crystallization kettle, comprising a kettle body (1), characterized in that: A stirring mechanism (2) is provided inside the kettle body (1), and a driving mechanism (3) is provided at the top of the kettle body (1); The stirring mechanism (2) comprises a stirring shaft (201) and a support block (207); a spiral rod (202) is fixedly provided at the top and bottom of the stirring shaft (201); scraping bars (204) are fixedly connected to both sides of the stirring shaft (201) via stirring bars (203); a bent rod (205) is provided at the bottom of the scraping bars (204); the bottom end of the stirring shaft (201) is connected to a plurality of support bars (2011) via the support block (207); and a connecting plate (2012) is welded to the top end of the stirring shaft (201); The driving mechanism (3) comprises a cover plate (301) and a rotating shaft (309); the cover plate (301) is connected to the top end of the kettle body (1); the middle part of the cover plate (301) is rotatably connected to the rotating shaft (309); the bottom end of the rotating shaft (309) is connected to the connecting plate (2012) via a supporting plate (3011); the bottom end of the supporting plate (3011) is fixedly connected to the top end of the connecting plate (2012) via bolts.

2. The stevioside stirred crystallization kettle according to claim 1, characterized in that: A clamping block (206) is fixedly provided at the bottom end of the stirring shaft (201), a clamping groove (208) is provided in the middle of the top end of the support block (207), the clamping block (206) is engaged with the clamping groove (208), a support shaft (209) is welded to the middle of the bottom end of the support block (207), and the bottom end of the support shaft (209) is rotatably connected to a support plate (2010) via a bearing.

3. A stevioside stirred crystallization kettle according to claim 2, characterized in that: The top end of the support rod (2011) is welded to the bottom end of the support plate (2010), and the bottom end of the support rod (2011) is welded to the inner wall of the bottom end of the kettle body (1).

4. The stevioside stirred crystallization kettle according to claim 1, characterized in that: The bottom end of the rotating shaft (309) is welded to the middle of the top end of the supporting plate (3011); the top end of the connecting plate (2012) is fixedly connected to the bottom end of the supporting plate (3011) by means of bolts; a second clamping groove (3012) is provided in the middle of the bottom end of the supporting plate (3011); a second clamping block (2013) is fixedly provided in the middle of the top end of the connecting plate (2012); the second clamping block (2013) is clamped and connected to the second clamping groove (3012).

5. The stevioside stirred crystallization kettle according to claim 1, characterized in that: A motor (306) is fixedly mounted on the top of the cover plate (301) via a mounting seat (305); the output shaft of the motor (306) is connected to a worm (307); the worm (307) is meshingly connected to a worm wheel (3010); and the middle portion of the bottom end of the worm wheel (3010) is fixedly connected to the top of the rotating shaft (309).

6. The stevioside stirred crystallization kettle according to claim 5, characterized in that: The top end of the cover plate (301) is fixedly connected to a vertical plate (308), and one end of the worm (307) is rotatably connected to the top of one side of the vertical plate (308).

7. The stevioside stirred crystallization kettle according to claim 5, characterized in that: A protective cover (302) is fixedly provided on the top of the cover plate (301), the motor (306) and the worm (307) are both located inside the protective cover (302), the top of the protective cover (302) is fixedly connected to an inspection cover (303) by bolts, and a heat dissipation grille (304) is provided on the surface of the inspection cover (303).

8. The stevioside stirred crystallization kettle according to claim 1, characterized in that: A discharge valve (4) is fixedly installed at the bottom end of the kettle body (1), a feed pipe (6) is fixedly provided at the top of the kettle body (1), a support ring (5) is welded to the top end of the kettle body (1), and the top end of the support ring (5) is fixedly connected to the bottom end of the cover plate (301) by bolts.

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