Powder grinding machine for chemical laboratory

Abstract

The utility model discloses a powder grinding machine for a chemical laboratory, which belongs to the technical field of powder grinding and comprises a grinding box, a fixing plate is fixedly arranged on the peripheral side of the inner wall of the grinding box, a groove for placing chemical raw materials is formed in the top surface of the fixing plate, and electric push rods are fixedly arranged on two side surfaces of the grinding box through support plates. Output shafts of the two electric push rods are fixedly provided with a transversely-arranged transverse plate, the transverse plate is arranged above the grinding box, a driving motor is fixedly arranged on the top face of the transverse plate and located over the grinding box, an output shaft of the driving motor extends into an inner cavity of the grinding box and is transversely and fixedly provided with a transverse frame, and three vertical rods are symmetrically and fixedly arranged on the bottom face of the transverse frame; the opposite side faces of every two vertical rods are rotationally connected with grinding rollers through pin shafts, and L-shaped supports are fixedly arranged on the two side faces of the transverse frame correspondingly. According to the powder grinding machine for the chemical laboratory, the problem that internal chemical raw materials are inconvenient to grind is solved, and the grinding quality and efficiency of the chemical raw materials are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to powder grinding technical field, especially a powder grinding machine for chemical laboratory. BACKGROUND

[0002] In the chemical laboratory, often adopt grinding device to the chemical raw materials grinding processing, to ensure that the chemical raw materials can fully react, but, now most grinding devices all lack the material turning device, make the chemical raw materials of putting will be in the same position and the same state is ground, lead to the chemical raw materials in the interior to be difficult to get grinding, easy to cause the chemical raw materials grinding uneven situation, and then need long time to carry out grinding, not only reduce the quality of the chemical raw materials grinding, also reduce the efficiency of the chemical raw materials grinding.

[0003] Such as the existing china announcement number for: CN219596719U a powder grinding machine, and: "including support, guide pipe, motor A, fixed plate and adapter plate. The support sets up the storage bucket, the top cover of storage bucket sets up the feeding pipe that communicates with its inside, the bottom of storage bucket sets up the blanking pipe that communicates with its inside, the guide pipe sets up in the storage bucket, the top cover bottom of storage bucket rotatably sets up the pivot."

[0004] It can be seen that the cited patent document has the problem of being difficult to grind the material in the interior. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a powder grinding machine for chemical laboratory to solve the problems raised in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a powder grinding machine for chemical laboratory, including the grinding box, the inner wall circumferential side of grinding box is fixedly provided with fixed plate, the top surface of fixed plate is provided with the recess that places chemical raw materials, both side faces of grinding box are fixedly provided with electric push rod through support plate, the output shaft of two electric push rods is fixedly provided with the transversely arranged horizontal plate, the horizontal plate is arranged above the grinding box, the top surface of horizontal plate and above the grinding box is fixedly provided with driving motor, the output shaft of driving motor extends to the inner chamber of grinding box and is fixedly provided with horizontal frame transversely, the bottom surface of horizontal frame is symmetrically fixedly provided with three vertical rods, the side face opposite of every two vertical rods is rotatably connected with grinding roller through pin shaft, both side faces of horizontal frame are fixedly provided with the L-shaped support respectively, the end away from horizontal frame of two supports is fixedly provided with shovel plate transversely.

[0007] Preferably, the recess penetrates to the bottom surface of the fixed plate, and the top surface of the fixed plate and outside the recess is fixedly provided with a guide plate.

[0008] Preferably, the top surface of the guide plate is recessed towards the center position, and the inner bottom surface of the grinding box is provided with a collecting box for collecting chemical powder.

[0009] Preferably, the side surface of the grinding box is symmetrically and fixedly provided with rectangular plates, and the side surface of one of the rectangular plates is fixedly provided with a rotating motor.

[0010] Preferably, the output shaft of the rotating motor is fixedly provided with a bidirectional threaded rod penetrating through the rectangular plate, and one end of the bidirectional threaded rod is rotatably connected to the side surface of the other rectangular plate.

[0011] Preferably, the circumferential side of the bidirectional threaded rod is threadedly sleeved with two movable blocks, and the side surface of the grinding box is transversely provided with a sliding groove for the two movable blocks to penetrate through.

[0012] Preferably, one end of each of the two movable blocks penetrates through the sliding groove and is fixedly provided with a semicircular block with the same radius, and the two side surfaces of the grinding box are transversely provided with through grooves for the semicircular blocks to penetrate through.

[0013] Compared with the prior art, the technical effects and advantages of the present application are:

[0014] The chemical laboratory powder grinder can guide the chemical raw materials to the inner cavity of the groove through the setting of the guide plate, and can make the chemical raw materials fall onto the top surface of the two semicircular blocks through the setting of the two semicircular blocks, so as to facilitate subsequent grinding.

[0015] Through the setting of the driving motor, the cross frame and the vertical rod, the two grinding rollers can be driven to make circular motion around the output shaft of the driving motor, and through the cooperation of the pin shaft, the two grinding rollers can be made to rotate, so as to grind the chemical raw materials in the groove. The setting of the support and the shovel plate can shovel the chemical raw materials after being extruded by the grinding rollers, and can also shovel the chemical raw materials inside, so as to better grind the chemical raw materials inside, avoid the problem that it is difficult to grind the chemical raw materials inside, and improve the quality and efficiency of grinding the chemical raw materials. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0017] Fig. 1 It is a structural schematic view of the present application;

[0018] Fig. 2 It is a sectional view of the grinding box of the present application;

[0019] Fig. 3 The structure schematic view of the bracket and the shovel plate of the utility model;

[0020] Fig. 4 The structure schematic view of the movable block and the semicircle block of the utility model.

[0021] Explanation of reference signs:

[0022] In the drawing: 1, grinding box; 2, fixed plate; 3, groove; 4, electric push rod; 5, horizontal plate; 6, driving motor; 7, horizontal frame; 8, vertical rod; 9, grinding roller; 10, bracket; 11, shovel plate; 12, guide plate; 13, rectangular plate; 14, rotary motor; 15, bidirectional threaded rod; 16, movable block; 17, semicircle block; 18, through slot; 19, collection box. DETAILED DESCRIPTION

[0023] In the following description, numerous specific details are given to provide a thorough understanding of the utility model. However, it will be apparent to one skilled in the art that the utility model can be practiced without one or more of these specific details. In other instances, well-known techniques have not been described in detail in order to avoid obscuring the utility model.

[0024] Unless the direction indicated by the single definition, the directions such as up, down, left, right, front, back, inside and outside involved in this paper are based on the directions such as up, down, left, right, front, back, inside and outside in the drawing shown by the utility model, which is explained here.

[0025] The connection mode can adopt existing modes such as bonding, welding, bolt connection and the like, and the actual needs are accurate.

[0026] As Figs. 1 to 4 The powder grinder for chemical laboratory shown in the figure, including grinding box 1, the top surface of grinding box 1 is hollow, the inner wall of grinding box 1 is fixed with fixed plate 2, the top surface of fixed plate 2 is provided with groove 3 for placing chemical raw materials, the top surface of fixed plate 2 and outside groove 3 are fixed with guide plate 12, the top surface of guide plate 12 is recessed to the center position, the personnel put the chemical raw materials needing grinding into grinding box 1, and guide the chemical raw materials to the inner cavity of groove 3 through the inclined surface of guide plate 12, then carry out subsequent grinding treatment.

[0027] The two side faces of the grinding box 1 are fixed with electric push rods 4 through support plates, the output shafts of the electric push rods 4 are fixed with transversely arranged horizontal plates 5, the horizontal plates 5 are arranged above the grinding box 1, the top face of the horizontal plate 5 and above the grinding box 1 is fixed with a driving motor 6, the output shaft of the driving motor 6 extends into the inner cavity of the grinding box 1 and is fixed with a horizontal frame 7 transversely, by starting the driving motor 6, the driving motor 6 can drive the horizontal frame 7 to do circular motion in the inner cavity of the grinding box 1 with the output shaft of the driving motor 6 as the axis, and the arrangement of the electric push rods 4 can drive the horizontal plate 5 to move longitudinally above the grinding box 1, so that the driving motor 6 drives the horizontal frame 7 to move longitudinally in the inner cavity of the grinding box 1, and the two electric push rods 4 are electrically connected to ensure that the two electric push rods 4 can synchronously drive the horizontal plate 5 to move longitudinally and reciprocally.

[0028] The bottom face of the horizontal frame 7 is fixed with three vertical rods 8 symmetrically, the opposite side face of every two vertical rods 8 is rotatably connected with a grinding roller 9 through a pin shaft, there are two grinding rollers 9, the distance between the opposite side faces of the two grinding rollers 9 is smaller than the diameter of the groove 3, when the horizontal frame 7 does circular motion with the output shaft of the driving motor 6 as the axis, the three vertical rods 8 can synchronously drive the two grinding rollers 9 to do circular motion, and the arrangement of the pin shaft enables the two grinding rollers 9 to also rotate when doing circular motion, and the electric push rods 4 drive the horizontal frame 7 to move downward through the horizontal plate 5 and the driving motor 6, so that the vertical rods 8 can drive the grinding rollers 9 to move downward, enabling the grinding rollers 9 to enter the inner cavity of the groove 3 and abut against the chemical raw materials, at this time, the horizontal frame 7 is driven by the driving motor 6 to rotate, so that the vertical rods 8 drive the grinding rollers 9 to rotate, and the pin shaft enables the two grinding rollers 9 to extrude the chemical raw materials while doing circular motion, thereby grinding the chemical raw materials.

[0029] The two side faces of the horizontal frame 7 are fixed with L-shaped supports 10 respectively, the ends of the two supports 10 away from the horizontal frame 7 are fixed with shovel plates 11 transversely, and the bottom face of the shovel plate 11 is lower than the bottom face of the grinding roller 9, so when the grinding roller 9 abuts against the chemical raw materials, part of the end of the shovel plate 11 will enter the inside of the chemical raw materials, when the horizontal frame 7 drives the two grinding rollers 9 to do circular motion through the vertical rods 8, it can synchronously drive the shovel plate 11 to do circular motion through the support 10, so that after the grinding roller 9 extrudes the chemical raw materials, the shovel plate 11 can shovel the extruded chemical raw materials, that is, the internal chemical raw materials can be shoveled to the outside, thereby grinding the internal chemical raw materials, so that the chemical raw materials can be evenly ground, avoiding the problem that the internal chemical raw materials are difficult to be ground, and improving the quality and efficiency of grinding the chemical raw materials.

[0030] The side of the grinding box 1 is symmetrically fixed with a rectangular plate 13, one side of one of the rectangular plates 13 is fixed with a rotary motor 14, the output shaft of the rotary motor 14 is fixed with a bidirectional threaded rod 15 penetrating through the rectangular plate 13, one end of the bidirectional threaded rod 15 is rotatably connected to the side of the other rectangular plate 13, the periphery of the bidirectional threaded rod 15 is threadedly sleeved with two movable blocks 16, the side of the grinding box 1 is transversely provided with a sliding groove for the two movable blocks 16 to pass through, one end of each of the two movable blocks 16 penetrates through the sliding groove and is fixed with a semicircular block 17 with the same radius, the two semicircular blocks 17 are arranged in the inner cavity of the grinding box 1 and are in frictional contact with the bottom surface of the fixed plate 2, and the sum of the radii of the two semicircular blocks 17 is greater than the diameter of the groove 3, by turning on the rotary motor 14, the rotary motor 14 can drive the bidirectional threaded rod 15 to rotate, thereby driving the two movable blocks 16 to move, that is, the two semicircular blocks 17 can be moved in opposite directions in the inner cavity of the grinding box 1.

[0031] The groove 3 penetrates to the bottom surface of the fixed plate 2, the inner bottom surface of the grinding box 1 is provided with a collection box 19 for collecting chemical powder, and the two movable blocks 16 are respectively fixed at the eccentric positions of the two semicircular blocks 17, so that after the opposite sides of the two movable blocks 16 are fitted, the opposite sides of the two semicircular blocks 17 are also fitted, that is, the two semicircular blocks 17 can limit the groove 3, so that the chemical raw materials entering the groove 3 will fall onto the top surface of the two semicircular blocks 17, and subsequent grinding processing can be performed, after the processing is completed, the rotary motor 14 drives the bidirectional threaded rod 15 to rotate in the opposite direction, the bidirectional threaded rod 15 drives the two semicircular blocks 17 to move in the opposite direction, that is, the two semicircular blocks 17 can move in the opposite direction, thereby canceling the limitation of the groove 3, so that the ground chemical raw materials can pass through the groove 3 and fall into the collection box 19 for collection, the two sides of the grinding box 1 are transversely provided with through grooves 18 for the semicircular blocks 17 to pass through, when the two semicircular blocks 17 move in opposite directions, one side of the semicircular block 17 will pass through the through groove 18, thereby avoiding that the space inside the grinding box 1 affects the movement of the semicircular block 17.

[0032] The opposite sides of the two rectangular plates 13 and above the bidirectional threaded rod 15 are fixed with a slide rod, and the two movable blocks 16 are slidably sleeved on the periphery of the slide rod, thereby limiting the movement of the two movable blocks 16 by the slide rod.

[0033] Working principle:

[0034] The chemical laboratory powder grinder puts the chemical raw material to be ground into the grinding box 1, and falls into the groove 3 through the guide plate, at this time, the electric push rod 4 is started, the electric push rod 4 drives the two grinding rollers 9 to move downward and enter the inner cavity of the groove 3, and at the same time, the chemical raw material is extruded, at this time, the driving motor 6 is started, the driving motor 6 drives the two grinding rollers 9 to do circular motion through the cross beam 7 and the three vertical rods 8, and through the setting of the pin shaft, the two grinding rollers 9 rotate during the circular motion, that is, the two grinding rollers 9 can grind the chemical raw material, when the two grinding rollers 9 do circular motion, the support 10 is driven to do circular motion, thereby driving the shovel plate 11 to rotate, since the bottom surface of the shovel plate 11 is lower than the bottom surface of the grinding roller 9, when the grinding roller 9 presses the chemical raw material, the partial area of the end part of the shovel plate 11 enters the inside of the chemical raw material, so that after the grinding roller 9 extrudes the chemical raw material, the shovel plate 11 can shovel the extruded chemical raw material, thereby turning the chemical raw material inside to the outside, and the chemical raw material can be uniformly ground, the problem that the chemical raw material inside is difficult to grind is avoided, and the quality and efficiency of grinding the chemical raw material are improved.

[0035] It should be noted that in this document, the terms "one" and "the" are used to describe only one of an entity or operation, not to require or imply that there is only one of the entity or operation. In addition, the terms "comprise", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations, the statement "comprises a limited element" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

[0036] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A powder grinding mill for chemical laboratories, comprising a grinding chamber (1), characterized in that: A fixing plate (2) is fixedly provided on the inner wall of the grinding box (1). A groove (3) for placing chemical raw materials is opened on the top surface of the fixing plate (2). Electric push rods (4) are fixedly provided on both sides of the grinding box (1) through support plates. A horizontal plate (5) is fixedly provided on the output shaft of the two electric push rods (4). The horizontal plate (5) is located above the grinding box (1). A drive motor (6) is fixedly provided on the top surface of the horizontal plate (5) and directly above the grinding box (1). The output shaft of the drive motor (6) extends to the inner cavity of the grinding box (1) and is fixedly provided with a horizontal frame (7). Three vertical rods (8) are symmetrically fixed on the bottom surface of the horizontal frame (7). A grinding roller (9) is rotatably connected to the opposite side of each pair of vertical rods (8) through a pin shaft. L-shaped brackets (10) are fixedly provided on both sides of the horizontal frame (7). A shovel plate (11) is fixedly provided on the end of each bracket (10) away from the horizontal frame (7).

2. The powder grinding mill for chemical laboratories according to claim 1, characterized in that: The groove (3) extends through to the bottom surface of the fixing plate (2), and a guide plate (12) is fixed on the top surface of the fixing plate (2) and located outside the groove (3).

3. A powder grinding mill for chemical laboratories according to claim 2, characterized in that: The top surface of the guide plate (12) is recessed at the center position, and the inner bottom surface of the grinding box (1) is provided with a collection box (19) for collecting chemical powder.

4. A powder grinding mill for chemical laboratories according to claim 1, characterized in that: A rectangular plate (13) is symmetrically fixed on one side of the grinding box (1), and a rotary motor (14) is fixed on one side of one of the rectangular plates (13).

5. A powder grinding mill for chemical laboratories according to claim 4, characterized in that: The output shaft of the rotary motor (14) passes through the rectangular plate (13) and is fixed with a bidirectional threaded rod (15). One end of the bidirectional threaded rod (15) is rotatably connected to one side of another rectangular plate (13).

6. A powder grinding mill for chemical laboratories according to claim 5, characterized in that: The two-way threaded rod (15) has two movable blocks (16) threaded around its periphery, and the grinding box (1) has a groove on one side for the two movable blocks (16) to pass through.

7. A powder grinding mill for chemical laboratories according to claim 6, characterized in that: One end of each of the two movable blocks (16) passes through a chute and is fixed with a semi-circular block (17) of the same radius. Both sides of the grinding box (1) are laterally provided with through slots (18) for the semi-circular block (17) to pass through.

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