CN211755850U - Grinder is smashed to raw materials for experiment based on analytical chemistry - Google Patents

Abstract

The utility model relates to an analytical chemistry experimental facilities technical field, specific grinder is smashed to raw materials based on analytical chemistry experiments that says so, including grinding the box, grinding box upper end fixedly connected with smashes the box, it has the feeder hopper to smash box upper end left side intercommunication, rotate through the bearing in the feeder hopper and be connected with first broken roller and the broken roller of second, the first motor of feeder hopper outside fixedly connected with. The utility model discloses a first crushing roller cooperatees with the second crushing roller, carries out a breakage to the raw materials, rotates through crushing shaft and crushing blade, carries out the regrinding to the raw materials, through moving grinding block and deciding the grinding block cooperation, carries out the cubic to the raw materials and grinds for the raw materials constantly refines, accords with the experimental standard, collects smashing and grinding as an organic whole of raw materials, improves work efficiency, at grinding shaft pivoted in-process, the production vibrations that the filter screen can be continuous prevent that the filter screen from taking place to block up.

Description

A raw material crushing and grinding device based on analytical chemistry experiments

technical field

The utility model relates to the technical field of analytical chemistry experimental equipment, in particular to a raw material crushing and grinding device based on analytical chemistry experiments.

Background technique

Analytical chemistry is a science that studies analytical methods and related theories for obtaining chemical composition and structural information of substances, and is an important branch of chemistry. The main task of analytical chemistry is to identify the chemical composition of substances, determine the content of relevant components of substances, determine the structure and existing forms of substances and their relationship with the properties of substances. Some chemical experiments need to dissolve solid materials, which requires the use of a pulverizing and grinding device to first pulverize and grind large-particle solid raw materials, so as to facilitate the dissolution. The existing raw material pulverizing and grinding devices generally cannot be pulverized and ground at the same time, so that the The work efficiency is low, and the problems of insufficient grinding and clogging of the screen are prone to occur. To this end, we have introduced a raw material crushing and grinding device based on analytical chemistry experiments.

Utility model content

The purpose of this utility model is to provide a raw material pulverizing and grinding device based on analytical chemistry experiments, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a raw material crushing and grinding device based on analytical chemistry experiments, comprising a grinding box body, the upper end of the grinding box body is fixedly connected with a crushing box body, and the upper end of the crushing box body is left on the left side. A feeding hopper is connected to the side, the first crushing roller and the second crushing roller are rotatably connected in the feeding hopper through the bearing, the outer side of the feeding hopper is fixedly connected with a first motor, and the output shaft of the first motor is connected to the The first crushing roller is fixedly connected, the middle of the upper end of the crushing box is fixedly installed with a second motor, the lower end of the output shaft of the second motor is fixedly connected with a crushing shaft, the surface of the crushing shaft is fixedly connected with a crushing blade, and the grinding Inside the box and at the four corners of the lower end of the crushing shaft are fixed installation blocks, the upper ends of the installation blocks are installed with springs, the upper ends of the four groups of the springs are jointly installed with filters, and the bottom of the grinding box is fixedly installed with a third motor, so A grinding shaft is fixedly connected to the output shaft of the third motor, a movable grinding block is fixedly connected to the grinding shaft, and a fixed grinding block matching the moving grinding block is fixedly connected to the inner surface of the grinding box. A rotating shaft is rotatably connected to the upper end of the grinding shaft through a bearing, the rotating shaft is mounted with a cam and a driven bevel gear, and the upper end of the grinding shaft is fixedly connected with a driving bevel gear that meshes with the driven bevel gear.

As a further optimization of this technical solution, the four corners of the lower end of the grinding box are fixedly connected with legs, the lower ends of the legs are fixedly connected with a bottom plate, and the lower end of the bottom plate is bonded with a non-slip pad.

As a further optimization of this technical solution, the surfaces of the first crushing roller and the second crushing roller are respectively uniformly distributed with first crushing teeth and second crushing teeth, and the first crushing teeth and the second crushing teeth are staggered.

As a further optimization of the technical solution, the upper end of the movable grinding block is in the shape of an inverted funnel.

As a further optimization of the technical solution, the inner bottom and side walls of the grinding box are inclined, and a discharge pipe is connected to the lower end of the right side of the grinding box.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the utility model uses the first crushing roller to cooperate with the second crushing roller to crush the raw materials once, and through the rotation of the crushing shaft and the crushing blade, the raw materials are crushed twice. Grinding, through the cooperation of the movable grinding block and the fixed grinding block, the raw materials are ground three times, so that the raw materials are continuously refined and meet the experimental standards, and the grinding and grinding of raw materials are integrated to improve work efficiency. The net can continuously generate vibration to prevent the filter from clogging.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the partial enlarged structural schematic diagram of the utility model A;

FIG. 3 is a schematic diagram of the front side structure of the utility model.

In the figure: 1. Grinding box; 2. Crushing box; 3. Feeding hopper; 4. First crushing roller; 5. Second crushing roller; 6. First motor; 7. Second motor; 8. Crushing Shaft; 9. Crushing blade; 10. Mounting block; 11. Spring; 12. Filter screen; 13. Third motor; 14. Grinding shaft; 15. Dynamic grinding block; 16. Fixed grinding block; 17. Rotating shaft; 18 , cam; 19, driven bevel gear; 20, driving bevel gear; 21, outrigger; 22, bottom plate; 23, discharge pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a raw material crushing and grinding device based on analytical chemistry experiments, comprising a grinding box 1, and four corners of the lower end of the grinding box 1 are fixedly connected with outriggers 21. The outriggers A bottom plate 22 is fixedly connected to the lower end of 21 , the outriggers 21 and the bottom plate 22 support the device, and the lower end of the bottom plate 22 is bonded with a non-slip pad, which plays an anti-slip effect and makes the device more stable.

A crushing box 2 is fixedly connected to the upper end of the grinding box 1, and a feeding hopper 3 is connected to the left side of the upper end of the crushing box 2. A first crushing roller 4 and a second crushing roller 5 are rotatably connected in the feeding hopper 3 through bearings. A first motor 6 is fixedly connected to the outside of the hopper 3, and the output shaft of the first motor 6 is fixedly connected to the first crushing roller 4. The surfaces of the first crushing roller 4 and the second crushing roller 5 are respectively uniformly distributed with first crushing teeth and second crushing teeth. Two crushing teeth, the first crushing teeth and the second crushing teeth are staggered with each other, the raw materials are put into the feed hopper 3, and the first motor 6 works to drive the first crushing roller 4 to rotate, and the first crushing roller 4 and the second crushing roller 4 are connected to each other. The two crushing rollers 5 cooperate to crush the raw material once.

A second motor 7 is fixedly installed in the middle of the upper end of the pulverizing box 2, a pulverizing shaft 8 is fixedly connected to the lower end of the output shaft of the second motor 7, and a pulverizing blade 9 is fixedly connected to the surface of the pulverizing shaft 8. The second motor 7 works to drive the pulverizing shaft. 8 and the pulverizing blade 9 rotate to perform secondary pulverization of the raw materials.

A third motor 13 is fixedly installed at the bottom of the grinding box 1, a grinding shaft 14 is fixedly connected to the output shaft of the third motor 13, and a moving grinding block 15 is fixedly connected to the grinding shaft 14. Specifically, the upper end of the moving grinding block 15 is an inverted funnel. The raw material above the movable grinding block 15 can slide to the side, and then enter the gap between the movable grinding block 15 and the fixed grinding block 16 . The inner surface of the grinding box 1 is fixedly connected with a fixed grinding block 16 that matches the moving grinding block 15. The third motor 13 works to drive the grinding shaft 14 and the moving grinding block 15 to rotate, and the moving grinding block 15 and the fixed grinding block 16 rotate. Combined, the raw materials are ground three times. The inner bottom and side walls of the grinding box 1 are inclined, and a discharge pipe 23 is connected to the lower end of the right side of the grinding box 1 to facilitate discharging.

The four corners of the grinding box 1 and the lower end of the grinding shaft 8 are fixedly connected with mounting blocks 10, the upper ends of the mounting blocks 10 are mounted with springs 11, and the upper ends of the four groups of springs 11 are jointly installed with a filter screen 12. The raw materials are filtered, so that the larger granular raw materials can continue to remain in the grinding box 2 for grinding until they meet the specifications, and the smaller raw materials that meet the specifications enter the grinding box 1 through the filter screen 12. Inside the grinding box 1 and located at the upper end of the grinding shaft 14, a rotating shaft 17 is rotatably connected to the rotating shaft 17, and a cam 18 and a driven bevel gear 19 are installed on the rotating shaft 17. The upper end of the grinding shaft 14 is fixedly connected with the driven bevel gear 19. During the rotation of the grinding shaft 14, the driving bevel gear 20 is driven by the driving bevel gear 20 and the driven bevel gear 19, so that the rotating shaft 17 rotates, so that the cam 18 rotates, thereby causing the filter screen 12 to continuously vibrate. The filter screen 12 is prevented from being blocked.

Specifically, when in use, the raw materials are put into the hopper 3, the first motor 6 works to drive the first crushing roller 4 to rotate, and the first crushing roller 4 cooperates with the second crushing roller 5, and the raw materials are processed once. Crushing, the raw materials that have been pulverized once enter the pulverizing box 2, and the second motor 7 works to drive the pulverizing shaft 8 and the pulverizing blade 9 to rotate to perform secondary pulverization of the raw materials. The filter screen 12 enters the grinding box 1, and the larger particles of raw materials remain in the grinding box 2 and continue to be pulverized. The third motor 13 works to drive the grinding shaft 14 and the moving grinding block 15 to rotate, and the moving grinding block 15 is connected with the grinding block 15. The fixed grinding block 16 cooperates to grind the raw material three times. During the rotation of the grinding shaft 14, the cam 18 rotates accordingly, so that the filter screen 12 continuously vibrates to prevent the filter screen 12 from being blocked. The discharge pipe 23 is discharged.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a based on grinder is smashed to raw materials for analytical chemistry experiments, includes grinding box (1), its characterized in that: the grinding box is characterized in that a grinding box body (2) is fixedly connected to the upper end of the grinding box body (1), the left side of the upper end of the grinding box body (2) is communicated with a feed hopper (3), a first crushing roller (4) and a second crushing roller (5) are rotatably connected to the inner side of the feed hopper (3) through bearings, a first motor (6) is fixedly connected to the outer side of the feed hopper (3), an output shaft of the first motor (6) is fixedly connected with the first crushing roller (4), a second motor (7) is fixedly installed in the middle of the upper end of the grinding box body (2), a grinding shaft (8) is fixedly connected to the lower end of the output shaft of the second motor (7), a grinding blade (9) is fixedly connected to the surface of the grinding shaft (8), installation blocks (10) are fixedly connected to the lower ends of the grinding shaft (8), a spring (11) is installed at the upper, four sets filter screen (12) are installed jointly to spring (11) upper end, grind box (1) bottom fixed mounting have third motor (13), the output shaft fixedly connected with of third motor (13) grinds axle (14), it moves grinding block (15) to grind fixedly connected with on axle (14), grind box (1) internal surface fixedly connected with move grinding block (15) assorted and decide grinding block (16), it is connected with rotation axis (17) just to be located grinding axle (14) upper end through the bearing rotation in grinding box (1), install cam (18) and driven bevel gear (19) on rotation axis (17), grind axle (14) upper end fixedly connected with and driven bevel gear (19) engaged with initiative bevel gear (20).

2. The raw material crushing and grinding device for the analytical chemistry experiment according to claim 1, wherein: the grinding box is characterized in that supporting legs (21) are fixedly connected to four corners of the lower end of the grinding box body (1), a bottom plate (22) is fixedly connected to the lower end of each supporting leg (21), and an anti-slip pad is bonded to the lower end of each bottom plate (22).

3. The raw material crushing and grinding device for the analytical chemistry experiment according to claim 1, wherein: the surface of the first crushing roller (4) and the surface of the second crushing roller (5) are respectively and uniformly distributed with first crushing teeth and second crushing teeth, and the first crushing teeth and the second crushing teeth are arranged in a staggered mode.

4. The raw material crushing and grinding device for the analytical chemistry experiment according to claim 1, wherein: the upper end of the movable grinding block (15) is in an inverted funnel shape.

5. The raw material crushing and grinding device for the analytical chemistry experiment according to claim 1, wherein: grind box (1) inner bottom lateral wall slope setting, grind box (1) right side lower extreme intercommunication and have discharging pipe (23).

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