CN210935159U - Mineral product sample grinder - Google Patents

Abstract

The utility model belongs to the technical field of grinding, in particular to a mineral sample grinding device, comprising a grinding box, a cone disk is fixedly installed in the grinding box, a cross located below the cone disk is fixedly installed in the grinding box, and the cross is fixedly installed in the grinding box. A connecting block is fixedly installed at the top center of the grinding box, a rotating rod is rotatably installed on the grinding box, and the bottom end of the rotating rod penetrates the conical disk and is fixedly connected with the connecting block. The conical knife in the conical disc is adapted to the conical disc, and the bottom of the grinding box is fixedly installed with a hopper located under the cross. The utility model has high practicability. By arranging a pre-crushing box with a crushing function above the grinding box, the ore sample with a larger volume can be pre-crushed, which ensures smooth grinding and saves the time and cost of manpower for crushing. energy.

Description

A mineral sample grinding device

technical field

The utility model relates to the technical field of grinding, in particular to a mineral sample grinding device.

Background technique

Before the ore is mined, the ore sample needs to be ground in order to analyze the content of different substances in the sample, so the corresponding grinding device will be used.

However, the mineral sample grinding device in the prior art lacks a pre-crushing mechanism, which results in that some larger ore samples cannot be ground smoothly, and sometimes requires manual pre-crushing by staff, which is time-consuming and labor-intensive. Therefore, a mineral sample is proposed. Sample grinding device.

Utility model content

The purpose of the utility model is to propose a mineral sample grinding device in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a mineral sample grinding device, comprising a grinding box, a cone disk is fixedly installed in the grinding box, and a cross located below the cone disk is fixedly installed in the grinding box , a connecting block is fixedly installed at the top central position of the cross, a rotating rod is rotatably installed on the grinding box, and the bottom end of the rotating rod penetrates the conical disk and is fixedly connected with the connecting block, and the outer wall of the rotating rod is A cone knife located in the cone disc is rotatably installed, and the cone cutter is adapted to the cone disc. The bottom of the grinding box is fixedly installed with a hopper located under the cross, and the bottom of the grinding box is fixedly installed with a discharge pipe , and the discharge pipe is connected with the hopper, the top of the grinding box is fixedly installed with a pre-crushing box, the bottom of the pre-crushing box is fixedly installed with a first motor, and the top of the rotating rod extends to the top of the grinding box It is fixedly connected with the output shaft of the first motor, two crushing rollers are installed in the pre-crushing box, and a protective cover is fixedly installed on one side of the outer wall of the pre-crushing box, and one end of the two crushing rollers extends to In the protective cover, gears located in the protective cover are fixedly sleeved on the two crushing rollers, and the two gears are engaged with each other. The output shaft of the second motor is fixedly connected to one end of any crushing roller, the top of the grinding box is symmetrically and fixedly connected with two feed pipes, and the tops of the two feed pipes are fixedly connected to the bottom of the pre-crushing box.

Preferably, a feeding hopper is fixedly installed on the top of the pre-shredding box.

Preferably, four support columns distributed in a rectangular shape are fixedly installed on the top of the grinding box, and the tops of the four support columns are all fixedly connected to the bottom of the pre-grinding box.

Preferably, the top of the grinding box is provided with a first fixing hole, the outer wall of the rotating rod is fixedly sleeved with a first bearing, and the outer ring of the first bearing is fixedly connected with the inner wall of the first fixing hole, so The top of the connecting block is provided with a second fixing hole, the bottom end of the rotating rod is fixedly sleeved with a second bearing, the outer ring of the second bearing is fixedly connected with the inner wall of the second fixing hole, and the second fixing A sealing ring located above the second bearing is fixedly installed on the inner wall of the hole, and the rotating rod penetrates through the sealing ring and is rotationally and sealedly connected with the inner ring of the sealing ring.

Preferably, a bottom plate is provided below the grinding box, and a plurality of inclined support rods are fixedly connected to the top of the bottom plate, and the ends of the plurality of inclined support rods that are close to each other are fixedly connected to the outer wall of the grinding box.

Preferably, the pre-crushing box is provided with four third fixing holes, two third bearings are fixedly sleeved on the two crushing rollers, and the four third bearings are all connected to the inner walls of the corresponding third fixing holes Fixed connection.

Compared with the prior art, the beneficial effect of the utility model is: the device passes through the grinding box, the cone disc, the cross, the connecting block, the rotating rod, the cone knife, the hopper, the discharge pipe, the pre-crushing box, the first motor, The crushing roller, the protective cover, the gear, the second motor, the feeding pipe and the feeding hopper cooperate, and the ore sample can be put into the pre-crushing box through the feeding hopper. Rotate and turn in the opposite direction. Under the mutual engagement of the two crushing rollers, the larger ore blocks can be crushed, thus avoiding the situation that the ore volume cannot be smoothly ground, and the crushed small particles will be crushed. It enters the grinding box through two feeding pipes and enters the gap between the cone disc and the cone knife. After the first motor runs, it can drive the rotating rod to rotate, and the rotating rod can drive the cone knife to rotate. With the cooperation of the disc, the ore crushed material can be pulled down and ground, and the ore fine powder can enter the hopper through the cross, and finally be discharged from the discharge pipe;

The utility model has high practicability. By arranging a pre-grinding box with a crushing function above the grinding box, it can pre-grind a larger volume of ore samples, which ensures smooth grinding and saves the time and cost of manpower for crushing. energy.

Description of drawings

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

Fig. 2 is the top sectional view of the pre-crushing box in the utility model;

FIG. 3 is a top view of the tapered knife in the utility model.

In the picture: 1. Grinding box; 2. Conical disc; 3. Cross; 4. Connecting block; 5. Rotating rod; 6. Cone knife; 7. Receiving hopper; 8. Discharging pipe; 9. Pre-crushing box; 10 11. Crushing roller; 12. Protective cover; 13. Gear; 14. Second motor; 15. Feeding pipe; 16. Feeding hopper.

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.

Please refer to FIG. 1-FIG. 3, the present utility model provides a technical solution: a mineral sample grinding device, comprising a grinding box 1, a cone disk 2 is fixedly installed in the grinding box 1, and a The cross 3 below the cone disc 2, the connecting block 4 is fixedly installed at the top center position of the cross 3, the grinding box 1 is rotatably installed with a rotating rod 5, and the bottom end of the rotating rod 5 penetrates the cone disk 2 and is fixedly connected with the connecting block 4. , the outer wall of the rotating rod 5 is rotatably installed with a cone cutter 6 located in the cone disc 2, the cone cutter 6 is adapted to the cone disc 2, the bottom of the grinding box 1 is fixedly installed with a hopper 7 located under the cross 3, and the grinding box The bottom of 1 is fixedly installed with a discharge pipe 8, and the discharge pipe 8 is connected with the hopper 7, the top of the grinding box 1 is fixedly installed with a pre-crushing box 9, and the bottom of the pre-crushing box 9 is fixedly mounted with a first motor 10, The top end of the rotating rod 5 extends to the top of the grinding box 1 and is fixedly connected with the output shaft of the first motor 10. Two crushing rollers 11 are rotatably installed in the pre-crushing box 9, and one side of the outer wall of the pre-crushing box 9 is fixedly installed. The protective cover 12, one end of the two crushing rollers 11 extends into the protective cover 12, the two crushing rollers 11 are fixedly sleeved with gears 13 located in the protective cover 12, and the two gears 13 are meshed, and the protective cover 12 A second motor 14 is fixedly installed on the inner wall of one side away from the pre-crushing box 9, the output shaft of the second motor 14 is fixedly connected to one end of any crushing roller 11, and two feeding pipes are symmetrically and fixedly connected to the top of the grinding box 1 15. The tops of the two feed pipes 15 are fixedly connected to the bottom of the pre-crushing box 9;

The top of the pre-crushing box 9 is fixedly installed with a feeding hopper 16, and the top of the grinding box 1 is fixedly mounted with four supporting columns distributed in a rectangular shape. The tops of the four supporting columns are all fixedly connected to the bottom of the pre-crushing box 9. The top of 1 is provided with a first fixing hole, the outer wall of the rotating rod 5 is fixedly sleeved with a first bearing, the outer ring of the first bearing is fixedly connected with the inner wall of the first fixing hole, and the top of the connecting block 4 is provided with a second fixing hole. The bottom end of the rotating rod 5 is fixedly sleeved with a second bearing, the outer ring of the second bearing is fixedly connected with the inner wall of the second fixing hole, and the inner wall of the second fixing hole is fixedly installed with a sealing ring located above the second bearing , the rotating rod 5 penetrates the sealing ring and is rotationally sealed with the inner ring of the sealing ring. A bottom plate is arranged below the grinding box 1, and a plurality of oblique support rods are fixedly connected to the top of the bottom plate. The outer wall of the grinding box 1 is fixedly connected, the pre-crushing box 9 is provided with four third fixing holes, the two crushing rollers 11 are fixedly sleeved with two third bearings, and the four third bearings are all connected with the corresponding No. The inner walls of the three fixing holes are fixedly connected through the grinding box 1, the cone disc 2, the cross 3, the connecting block 4, the rotating rod 5, the cone knife 6, the hopper 7, the discharge pipe 8, the pre-crushing box 9, and the first motor 10. , the crushing roller 11, the protective cover 12, the gear 13, the second motor 14, the feeding pipe 15 and the feeding hopper 16 are matched, and the ore sample can be put into the pre-crushing box 9 through the feeding hopper 16, and the second motor 14 During operation, the two crushing rollers 11 can be rotated at the same time, and the directions are reversed. Under the mutual engagement of the two crushing rollers 11, the larger ore blocks can be crushed, thereby avoiding the failure of smooth ore due to the large volume of the ore. In the case of grinding, the crushed small particles will enter the grinding box 1 through the two feeding pipes 15, and enter the gap between the cone disc 2 and the cone knife 6. After the first motor 10 is running, it can drive the The rotating rod 5 rotates, and the rotating rod 5 can drive the cone knife 6 to rotate. Under the cooperation of the cone knife 6 and the cone disk 2, the ore scraps can be pulled down and ground, and the ore fine powder can enter the hopper through the cross 3 7, it is finally discharged from the discharge pipe 8; the utility model has high practicability, by setting the pre-grinding box 9 with the crushing function above the grinding box 1, it can pre-grind the ore sample with a large volume, and ensure the smooth grinding. At the same time, it also saves the time and energy of manpower for crushing.

Working principle: the outer wall of the cone cutter 6 is evenly provided with a plurality of outer grinding ridges and outer ridges, and the outer ridges are located above the outer grinding ridges, and the inner wall of the cone disc 2 is provided with a plurality of inner grinding ridges and ridges. The inner ridge teeth, and the inner ridge teeth are located above the inner grinding ridges, the outer ridge teeth are matched with the inner ridge teeth, and the outer grinding ridges are matched with the inner grinding ridges;

When in use, the ore sample is put into the pre-crushing box 9 from the feeding hopper 16, the second motor 14 can drive the corresponding crushing roller 11 to rotate when it is running, and the other crushing roller 11 is driven by the meshing transmission of the two gears 13. The rotation of the two crushing rollers 11 is opposite, and the larger ore blocks are crushed under the mutual engagement of the two crushing rollers 11, and the crushed small particles will enter the grinding through the two feeding pipes 15. In the box 1, and into the gap between the cone disc 2 and the cone knife 6, the first motor 10 can drive the rotating rod 5 to rotate after running, and the rotating rod 5 can drive the cone knife 6 to rotate. Under the action of the teeth and the inner ridges on the conical disc 2, the ore scraps can be gradually pulled downward, and finally, under the action of the outer grinding concave grains and the inner grinding concave grains, the ore particles can be ground into fine powder, and the ore fine powder can be It enters into the receiving hopper 7 through the cross 3 and is finally discharged from the discharge pipe 8.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A mineral sample grinding device, comprising a grinding box (1), characterized in that: a cone disk (2) is fixedly installed in the grinding box (1), and a cone located in the grinding box (1) is fixedly installed in the grinding box (1). A cross (3) under the disc (2), a connecting block (4) is fixedly installed at the top center of the cross (3), a rotating rod (5) is rotatably installed on the grinding box (1), and the The bottom end of the rotating rod (5) penetrates the conical disc (2) and is fixedly connected with the connecting block (4). , the conical knife (6) is adapted to the conical disc (2), the bottom of the grinding box (1) is fixedly installed with a hopper (7) located under the cross (3), the grinding box (1) The bottom of the grinding box (1) is fixedly installed with a discharge pipe (8), and the discharge pipe (8) is communicated with the receiving hopper (7). The bottom of the crushing box (9) is fixedly installed with a first motor (10), and the top end of the rotating rod (5) extends to the top of the grinding box (1) and is fixedly connected with the output shaft of the first motor (10), so Two crushing rollers (11) are rotatably installed in the pre-crushing box (9), a protective cover (12) is fixedly installed on one side outer wall of the pre-crushing box (9), and one end of the two crushing rollers (11) Both extend into the protective cover (12), the two crushing rollers (11) are fixedly sleeved with gears (13) located in the protective cover (12), and the two gears (13) are engaged with each other, and the protective cover (12) A second motor (14) is fixedly installed on the inner wall of one side away from the pre-crushing box (9), and the output shaft of the second motor (14) is fixedly connected to one end of any crushing roller (11), so The top of the grinding box (1) is symmetrically and fixedly connected with two feeding pipes (15), and the tops of the two feeding pipes (15) are fixedly connected with the bottom of the pre-grinding box (9). 2 . The mineral sample grinding device according to claim 1 , wherein a feeding hopper ( 16 ) is fixedly installed on the top of the pre-grinding box ( 9 ). 3 . 3. A mineral sample grinding device according to claim 1, characterized in that: the top of the grinding box (1) is fixedly installed with four support columns distributed in a rectangular shape, and the tops of the four support columns are all matched with the pre- The bottom of the crushing box (9) is fixedly connected. 4. A mineral sample grinding device according to claim 1, characterized in that: the top of the grinding box (1) is provided with a first fixing hole, and the outer wall of the rotating rod (5) is fixedly sleeved with a first fixing hole. The first bearing, the outer ring of the first bearing is fixedly connected with the inner wall of the first fixing hole, the top of the connecting block (4) is provided with a second fixing hole, and the bottom end of the rotating rod (5) is fixed with a sleeve There is a second bearing, the outer ring of the second bearing is fixedly connected with the inner wall of the second fixing hole, the inner wall of the second fixing hole is fixedly installed with a sealing ring located above the second bearing, the rotating rod ( 5) Pass through the sealing ring and connect with the inner ring of the sealing ring in a rotary and sealing manner. 5. A mineral sample grinding device according to claim 1, characterized in that: a bottom plate is provided below the grinding box (1), and a plurality of oblique support rods are fixedly connected to the top of the bottom plate, and a plurality of oblique support rods are fixedly connected to the top of the bottom plate. Both ends of the support rods that are close to each other are fixedly connected to the outer wall of the grinding box (1). 6. A mineral sample grinding device according to claim 1, characterized in that: the pre-crushing box (9) is provided with four third fixing holes, and the two crushing rollers (11) are fixedly sleeved There are two third bearings, and the four third bearings are all fixedly connected with the inner walls of the corresponding third fixing holes.

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