CN114878299A

CN114878299A - Rare earth ore hardness detection device

Info

Publication number: CN114878299A
Application number: CN202210294914.8A
Authority: CN
Inventors: 许原三
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-08-09

Abstract

The invention provides a rare earth ore hardness detection device, relates to the technical field of detection equipment, and aims to solve the problems that when a pressure head applies pressure to rare earth ore in the use process of the conventional rare earth ore hardness detection device, the rare earth ore is cracked and splashed, detection personnel are easily accidentally injured, and meanwhile, slag of the rare earth ore is not easily recycled, the cleaning process is troublesome, and the rare earth ore lacks a reasonable fixed clamping structure, is easily deviated in the detection process, and influences the detection result; the base is of a C-shaped structure, a fixed plate is arranged at the front end of a C-shaped opening of the base, and a driving mechanism is arranged on the fixed plate; the base top front end is equipped with control panel, and control panel department bottom is equipped with the pressure head. According to the invention, the broken slag of the rare earth ore after hardness detection enters the collecting tank through the through groove of the protective cover, so that the cleanness of the detection device can be ensured, and meanwhile, the connecting structure of the collecting tank and the protective cover is simple, so that the collected broken slag of the rare earth ore can be conveniently recovered.

Description

Rare earth ore hardness detection device

Technical Field

The invention belongs to the technical field of detection equipment, and particularly relates to a rare earth ore hardness detection device.

Background

The rare earth ore exists mainly in a mineral form in the earth crust, and the occurrence states of the rare earth ore are mainly three types: as an essential constituent element of a mineral, rare earth is present in the form of an ionic compound in the mineral lattice, and constitutes an essential component of the mineral. The main detection of the rare earth ore comprises hardness, ore elements, rock volume density, chloride ion content detection and the like. The hardness referred to in mineralogy is generally mohs hardness, which is the scratch hardness of a mineral compared with a mohs hardness meter. It is an expression of the structural integrity of the interior of the mineral, depending mainly on the type and strength of the chemical bond.

For example, application No.: the invention of CN201611101569.2 relates to a detection device, in particular to a rare earth ore hardness detection device. The invention aims to provide a rare earth ore hardness detection device with low detection difficulty. In order to solve the technical problem, the invention provides a rare earth ore hardness detection device which comprises an electric push rod, a slide rail, a first slide block, a wedge-shaped block, a rack, a second slide block, a swing seat, a first supporting rod, a bracket, a piston, a first spring, a connecting rod, a rotary motor, a drill rod, a hardness tester, a gear, a reel, a pull wire, a baffle, a cylinder body, a fixing plate, a second supporting rod, a second spring, an iron ball, an inserted rod, a bronze gong and a trolley; the cart is provided with an opening, and the left side of the top of the cart is provided with a bracket. The invention achieves the effect of low detection difficulty, and the drill rod is arranged to drill the rare earth ore, so that the hardness tester can directly contact the inside of the rare earth ore.

Current rare earth ore hardness detection device is in the use, and when the pressure head exerted pressure to the rare earth ore, the cracked meeting of rare earth ore splashes, and easy accidental injury detection personnel, the difficult recovery processing of disintegrating slag in rare earth ore simultaneously, its clearance process is more troublesome, and the rare earth ore lacks reasonable fixed clamping structure moreover, takes place to deviate easily in the testing process, influences the testing result.

Disclosure of Invention

In order to solve the technical problems, the invention provides a rare earth ore hardness detection device, which aims to solve the problems that when a pressure head applies pressure to rare earth ore in the use process of the conventional rare earth ore hardness detection device, the rare earth ore is cracked and splashed, detection personnel are easily accidentally injured, broken slag of the rare earth ore is not easily recycled, the cleaning process is troublesome, and the rare earth ore is easy to deviate in the detection process due to the lack of a reasonable fixed clamping structure, so that the detection result is influenced.

The invention relates to a rare earth ore hardness detection device, which is achieved by the following specific technical means:

a rare earth ore hardness detection device comprises a base, a fixing plate, a driving mechanism, a control panel, a mounting seat and a clamping assembly; the base is of a C-shaped structure, a fixed plate is arranged at the front end of a C-shaped opening of the base, and a driving mechanism is arranged on the fixed plate; a control panel is arranged at the front end of the top of the base, a pressure head is arranged at the bottom of the control panel, a lifting upright post is arranged in a C-shaped opening of the base, and the lifting upright post is positioned below the pressure head; a protective cover is arranged in front of the fixed plate and connected with the fixed plate through an elastic clamp, a collecting tank is arranged at the bottom end of the protective cover, and the protective cover and the collecting tank are sleeved on the lifting upright posts in a sliding manner; the fixing plate front end is equipped with the mount pad by upside position, and the mount pad front end is equipped with the centre gripping subassembly to the centre gripping subassembly corresponds with the pressure head.

Further, the fixed plate includes mounting groove and first spout, and the fixed plate is vertical mode and distributes, and the mounting groove has been seted up to fixed plate front end intermediate position, and first spout has been seted up to the mounting groove both sides, and first spout is T type groove structure to two first spouts are symmetrical mode and distribute.

Further, actuating mechanism includes reciprocating motor, lead screw and first band pulley, and reciprocating motor fixed mounting is inside the base, and reciprocating motor is located the fixed plate bottom, and reciprocating motor's pivot top is equipped with the lead screw, and the lead screw is located the mounting groove to the lead screw passes through the bearing and is connected with the fixed plate rotation, is equipped with first band pulley on the lead screw, and first band pulley sets up and leans on the top position in the lead screw.

Furthermore, the elastic clamp comprises a sliding plate, a first sliding block and a threaded sleeve, the elastic clamp is of an arc-shaped structure, the sliding plate is arranged at the rear end of the elastic clamp, the two first sliding blocks are arranged at the rear end of the sliding plate and are of a T-shaped structure, the threaded sleeve is arranged in the middle of the two first sliding blocks, and the threaded sleeve is fixedly connected with the sliding plate.

Furthermore, the first sliding blocks are located in the first sliding grooves, the first sliding blocks are connected with the fixing plate in a sliding mode through the first sliding grooves, and the threaded sleeves are connected with the screw rod in a sliding mode through threads.

Further, the safety cover is including leading to groove, second spout, draw-in groove and annular groove, and the safety cover is cylindricality cavity structure, and has seted up logical groove bottom the safety cover, leads to the groove and is fan-shaped through-hole, and leads to groove both ends lateral wall and seted up the chamfer, two second spouts have been seted up to the safety cover bottom, and two second spouts are the symmetric mode and distribute, and the second spout is L type groove structure, the draw-in groove has been seted up to safety cover bottom one side, safety cover outer peripheral face bottom is equipped with annular groove, and the safety cover passes through annular groove and elastic clamp looks joint.

Further, the collecting vat is U type structure including collecting mouth, second slider and cardboard, and the collecting vat has seted up the collection mouth, and the collecting vat top is equipped with two second sliders, and two second sliders are L type structure, and collecting vat one side is equipped with the cardboard, and the cardboard is the arc structure.

Further, when the collecting groove is connected with the protective cover, the collecting groove is connected with a second sliding groove of the protective cover in a sliding mode through a second sliding block, the clamping plate is clamped with the clamping groove, and the collecting opening is communicated with a cavity of the protective cover through the through groove.

Further, the mount pad includes third spout, axostylus axostyle, gear and second band pulley, and the third spout has been seted up to the mount pad front end, and the centre gripping subassembly passes through third spout and mount pad sliding connection, and the mount pad bottom is equipped with the axostylus axostyle, and the axostylus axostyle runs through third spout bottom lateral wall to the axostylus axostyle passes through the bearing and is connected with the mount pad rotation, and the axostylus axostyle top is equipped with the gear, and the gear is located the third spout, and the axostylus axostyle bottom is equipped with the second band pulley, and the second band pulley passes through the belt and is connected with first band pulley transmission.

Further, the centre gripping subassembly includes first splint, second splint, rubber pad and rack, and first splint are the symmetric mode with the second splint and distribute, and the relative inboard of first splint and second splint all is equipped with the rubber pad, all is equipped with the rack on first splint and the second splint, and the rack is located the third spout, and two racks are located the gear both sides, and the rack is connected with gear engagement.

Compared with the prior art, the invention has the following beneficial effects:

1. the two first sliding blocks are positioned in the first sliding grooves and are in sliding connection with the fixed plate through the first sliding grooves, the threaded sleeves are in sliding connection with the screw rods in a threaded mode, meanwhile, the annular grooves are formed in the bottoms of the outer peripheral surfaces of the protective covers, the protective covers are in clamping connection with the elastic clamps through the annular grooves, when the pressure heads perform hardness detection on rare earth ores on the workbench at the top end of the lifting stand column, the reciprocating motors provide power, the screw rods drive the sliding plates to slide up and down along the first sliding grooves, the elastic clamps drive the protective covers to perform height adjustment, the protective covers are sleeved outside the detected rare earth ores, splashing of the rare earth ores when the rare earth ores are subjected to pressure is avoided, and experimenters are protected;

2. the collecting tank is connected with the second sliding groove of the protective cover in a sliding mode through the second sliding block, the clamping plate is connected with the clamping groove in a clamping mode, the collecting port is communicated with the cavity of the protective cover through the through groove, broken slag of the rare earth ore after hardness detection enters the collecting tank through the through groove of the protective cover, cleanness of the detection device can be guaranteed, and meanwhile the collecting tank and the protective cover are simple in connection structure, and recovery processing of the collected broken slag of the rare earth ore is facilitated;

3. because all be equipped with the rack on first splint and the second splint, and the rack is located the third spout, two racks are located the gear both sides, and the rack is connected with gear engagement, reciprocating motor is at the operation in-process simultaneously, drive first band pulley through the lead screw and rotate, utilize belt transmission to make second band pulley and axostylus axostyle rotate, through gear and two rack transmissions, can make first splint and second splint slide along third spout looks intermediate or both sides, thereby realize the fixed centre gripping of tombarthite ore, prevent to take place to deviate in the testing process, and its operation is simple, need not complicated drive assembly, only need control reciprocating motor and can accomplish.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a front view structural schematic diagram of the present invention.

Fig. 3 is a schematic structural view of fig. 1 with the base removed.

Fig. 4 is a schematic structural view of the protective cover of the present invention in a state of being separated from the collecting groove.

Fig. 5 is a schematic view of the protective cover structure of the present invention.

Fig. 6 is a schematic structural view of the fixing plate and the elastic clip in a separated state.

Fig. 7 is a schematic view of a part of the fixing plate, the mounting seat and the clamping assembly of the invention.

Fig. 8 is a schematic structural view of the mounting seat and the clamping assembly in a separated state.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 2. a fixing plate; 201. mounting grooves; 202. a first chute; 3. a drive mechanism; 301. a reciprocating motor; 302. a screw rod; 303. a first pulley; 4. an elastic clip; 401. a sliding plate; 402. a first slider; 403. a threaded sleeve; 5. a protective cover; 501. a through groove; 502. a second chute; 503. a card slot; 504. an annular groove; 6. collecting tank; 601. a collection port; 602. a second slider; 603. clamping a plate; 7. a mounting seat; 701. a third chute; 702. a shaft lever; 703. a gear; 704. a second pulley; 8. a clamping assembly; 801. a first splint; 802. a second splint; 803. a rubber pad; 804. a rack; 9. a control panel; 10. a pressure head; 11. and (4) lifting the upright post.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a rare earth ore hardness detection device which comprises a base, a fixed plate, a driving mechanism, a control panel, a mounting seat and a clamping assembly, wherein the fixed plate is fixedly arranged on the base; the base 1 is of a C-shaped structure, and the front end of a C-shaped opening of the base 1 is provided with a fixed plate 2; the fixing plate 2 comprises a mounting groove 201 and first sliding grooves 202, the fixing plate 2 is distributed in a vertical mode, the mounting groove 201 is formed in the middle of the front end of the fixing plate 2, the first sliding grooves 202 are formed in two sides of the mounting groove 201, the first sliding grooves 202 are of a T-shaped groove structure, and the two first sliding grooves 202 are distributed in a symmetrical mode; the fixed plate 2 is provided with a driving mechanism 3; the driving mechanism 3 comprises a reciprocating motor 301, a screw rod 302 and a first belt wheel 303, the reciprocating motor 301 is fixedly arranged inside the base 1, the reciprocating motor 301 is positioned at the bottom of the fixing plate 2, the screw rod 302 is arranged at the top end of a rotating shaft of the reciprocating motor 301, the screw rod 302 is positioned in the mounting groove 201, the screw rod 302 is rotatably connected with the fixing plate 2 through a bearing, the screw rod 302 is provided with the first belt wheel 303, and the first belt wheel 303 is arranged at the position, close to the top end, of the screw rod 302; a control panel 9 is arranged at the front end of the top of the base 1, a pressure head 10 is arranged at the bottom of the control panel 9, a lifting upright post 11 is arranged in a C-shaped opening of the base 1, and the lifting upright post 11 is positioned below the pressure head 10; a protective cover 5 is arranged in front of the fixed plate 2, and the protective cover 5 is connected with the fixed plate 2 through an elastic clamp 4; the protective cover 5 comprises a through groove 501, a second sliding groove 502, a clamping groove 503 and an annular groove 504, the protective cover 5 is of a cylindrical cavity structure, the bottom of the protective cover 5 is provided with the through groove 501, the through groove 501 is a fan-shaped through hole, the side walls of two ends of the through groove 501 are provided with chamfers, the bottom of the protective cover 5 is provided with two second sliding grooves 502, the two second sliding grooves 502 are distributed in a symmetrical mode, the second sliding grooves 502 are of an L-shaped groove structure, and one side of the bottom end of the protective cover 5 is provided with the clamping groove 503; the bottom end of the protective cover 5 is provided with a collecting tank 6, and the protective cover 5 and the collecting tank 6 are sleeved on the lifting upright post 11 in a sliding manner; the front end of the fixing plate 2 is provided with a mounting seat 7 close to the upper side, the front end of the mounting seat 7 is provided with a clamping component 8, and the clamping component 8 corresponds to the pressure head 10.

In specific implementation, the elastic clamp 4 comprises a sliding plate 401, a first sliding block 402 and a threaded sleeve 403, the elastic clamp 4 is of an arc-shaped structure, the sliding plate 401 is arranged at the rear end of the elastic clamp 4, two first sliding blocks 402 are arranged at the rear end of the sliding plate 401, the first sliding blocks 402 are of a T-shaped structure, the threaded sleeve 403 is arranged in the middle of the two first sliding blocks 402, and the threaded sleeve 403 is fixedly connected with the sliding plate 401;

because two first sliders 402 are located in the first sliding groove 202, and the first sliders 402 are slidably connected with the fixing plate 2 through the first sliding groove 202, and the thread bush 403 is slidably connected with the screw rod 302 through threads, and the bottom of the outer peripheral surface of the protection cover 5 is provided with the annular groove 504, and the protection cover 5 is clamped with the elastic clamp 4 through the annular groove 504, when the pressure head 10 detects the hardness of the rare earth ore on the top end workbench of the lifting upright post 11, the reciprocating motor 301 provides power, the sliding plate 401 is driven to slide up and down along the first sliding groove 202 through the screw rod 302, the elastic clamp 4 is utilized to drive the protection cover 5 to perform height adjustment, so that the protection cover 5 is sleeved outside the rare earth ore in the detection.

In specific implementation, the collecting tank 6 includes a collecting port 601, a second slider 602 and a clamping plate 603, the collecting tank 6 is of a U-shaped structure, the collecting port 601 is formed in the collecting tank 6, two second sliders 602 are arranged at the top end of the collecting tank 6, the two second sliders 602 are both of an L-shaped structure, the clamping plate 603 is arranged on one side of the collecting tank 6, and the clamping plate 603 is of an arc-shaped structure;

when collecting vat 6 is connected state with safety cover 5, collecting vat 6 passes through second slider 602 and safety cover 5's second spout 502 sliding connection, and cardboard 603 and draw-in groove 503 looks joint, and collect mouthful 601 and communicate with each other through leading to groove 501 and safety cover 5's cavity, the disintegrating slag of rare earth ore deposit after hardness detection, get into in collecting vat 6 through leading to groove 501 of safety cover 5, can guarantee detection device's cleanness, collecting vat 6 and safety cover 5 connection structure are simple simultaneously, be convenient for installation and dismantlement.

In specific implementation, the mounting seat 7 includes a third chute 701, a shaft rod 702, a gear 703 and a second pulley 704, the third chute 701 is disposed at the front end of the mounting seat 7, the clamping assembly 8 is slidably connected to the mounting seat 7 through the third chute 701, the shaft rod 702 is disposed at the bottom of the mounting seat 7, the shaft rod 702 penetrates through the side wall of the bottom end of the third chute 701, the shaft rod 702 is rotatably connected to the mounting seat 7 through a bearing, the gear 703 is disposed at the top end of the shaft rod 702, the gear 703 is located in the third chute 701, the second pulley 704 is disposed at the bottom end of the shaft rod 702, and the second pulley 704 is in transmission connection with the first pulley 303 through a belt;

the clamping assembly 8 comprises a first clamping plate 801, a second clamping plate 802, rubber pads 803 and racks 804, wherein the first clamping plate 801 and the second clamping plate 802 are symmetrically distributed, the rubber pads 803 are arranged on the inner sides of the first clamping plate 801 and the second clamping plate 802, the racks 804 are arranged on the first clamping plate 801 and the second clamping plate 802, the racks 804 are located in the third sliding groove 701, the racks 804 are located on two sides of the gear 703, the racks 804 are meshed with the gear 703, meanwhile, the reciprocating motor 301 drives the first belt wheel 303 to rotate through the screw rod 302 in the operation process, the second belt wheel 704 and the shaft rod 702 rotate through belt transmission, and the first clamping plate 801 and the second clamping plate 802 can slide along the phase or two sides of the third sliding groove 701 through the transmission of the gear 703 and the racks 804, so that the rare earth ore is fixedly clamped, and the operation process is simple and convenient.

In another embodiment, be equipped with the permanent magnet on draw-in groove 503, and the permanent magnet is located draw-in groove 503 and cardboard 603's joint department, and the effect is inhaled to magnetism through the permanent magnet, makes collecting vat 6 be connected more stably with safety cover 5, avoids collecting vat 6 not hard up landing to guarantee that the closure is inseparabler.

The specific use mode and function of the embodiment are as follows:

in the use process, firstly, when the pressure head 10 detects the hardness of the rare earth ore on the workbench at the top end of the lifting upright post 11, the reciprocating motor 301 provides power, the screw rod 302 drives the sliding plate 401 to slide up and down along the first sliding groove 202, and the elastic clamp 4 drives the protective cover 5 to adjust the height, so that the protective cover 5 is sleeved outside the rare earth ore under detection;

secondly, the collecting groove 6 is connected with a second sliding groove 502 of the protective cover 5 in a sliding mode through a second sliding block 602, a clamping plate 603 is clamped with a clamping groove 503, a collecting port 601 is communicated with a cavity of the protective cover 5 through a through groove 501, broken slag of rare earth ore after hardness detection enters the collecting groove 6 through the through groove 501 of the protective cover 5, cleanness of the detection device can be guaranteed, and meanwhile the collecting groove 6 and the protective cover 5 are simple in connection structure and convenient to install and detach;

in addition, in the operation process of the reciprocating motor 301, the screw rod 302 drives the first belt wheel 303 to rotate, the second belt wheel 704 and the shaft rod 702 are driven to rotate by a belt, the gear 703 is driven by the two racks 804, and the first clamping plate 801 and the second clamping plate 802 can slide along the phase or two sides of the third sliding groove 701, so that the rare earth ore is fixedly clamped, and deviation in the detection process is prevented.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a rare earth ore hardness detection device which characterized in that: comprises a base, a fixed plate, a driving mechanism, a control panel, a mounting seat and a clamping assembly;

the base is of a C-shaped structure, a fixed plate is arranged at the front end of a C-shaped opening of the base, and a driving mechanism is arranged on the fixed plate;

a control panel is arranged at the front end of the top of the base, a pressure head is arranged at the bottom of the control panel, a lifting upright post is arranged in a C-shaped opening of the base, and the lifting upright post is positioned below the pressure head;

a protective cover is arranged in front of the fixed plate and connected with the fixed plate through an elastic clamp, a collecting tank is arranged at the bottom end of the protective cover, and the protective cover and the collecting tank are sleeved on the lifting upright posts in a sliding manner;

the fixing plate front end is equipped with the mount pad by upside position, and the mount pad front end is equipped with the centre gripping subassembly to the centre gripping subassembly corresponds with the pressure head.

2. The apparatus for detecting hardness of rare earth ore according to claim 1, wherein the fixing plate includes a mounting groove and first sliding grooves, the fixing plate is vertically disposed, the mounting groove is disposed at a middle position of a front end of the fixing plate, the first sliding grooves are disposed at two sides of the mounting groove, the first sliding grooves are T-shaped grooves, and the two first sliding grooves are symmetrically disposed.

3. The apparatus for detecting hardness of rare earth ore according to claim 1, wherein the driving mechanism comprises a reciprocating motor, a screw rod and a first pulley, the reciprocating motor is fixedly installed inside the base, the reciprocating motor is located at the bottom of the fixing plate, the screw rod is installed at the top end of the rotating shaft of the reciprocating motor, the screw rod is located in the installation groove, the screw rod is rotatably connected with the fixing plate through a bearing, the first pulley is installed on the screw rod, and the first pulley is installed at a position close to the top end of the screw rod.

4. The rare earth ore hardness testing device as claimed in claim 1, wherein said elastic clamp includes a sliding plate, a first sliding block and a threaded sleeve, the elastic clamp is of an arc structure, the sliding plate is provided at the rear end of the elastic clamp, two first sliding blocks are provided at the rear end of the sliding plate, the first sliding block is of a T-shaped structure, the threaded sleeve is provided at the middle position between the two first sliding blocks, and the threaded sleeve is fixedly connected with the sliding plate.

5. The apparatus for detecting hardness of rare earth ore according to claim 4, wherein two of the first sliding blocks are located in the first sliding groove, the first sliding block is slidably connected to the fixing plate through the first sliding groove, and the threaded sleeve is slidably connected to the screw rod through a thread.

6. The rare earth ore hardness detection device according to claim 1, wherein the protection cover includes a through groove, a second chute, a clamping groove and an annular groove, the protection cover has a cylindrical cavity structure, the bottom of the protection cover is provided with the through groove, the through groove has a fan-shaped through hole, side walls of two ends of the through groove are provided with chamfers, the bottom of the protection cover is provided with two second chutes, the two second chutes are symmetrically distributed, the second chutes have an L-shaped groove structure, one side of the bottom end of the protection cover is provided with the clamping groove, the bottom of the outer peripheral surface of the protection cover is provided with the annular groove, and the protection cover is clamped with the elastic clamp through the annular groove.

7. The rare earth ore hardness testing device as claimed in claim 1, wherein the collecting tank includes a collecting port, a second slider and a clamping plate, the collecting tank is of a U-shaped structure, the collecting port is formed on the collecting tank, two second sliders are arranged on the top end of the collecting tank, the two second sliders are both of an L-shaped structure, the clamping plate is arranged on one side of the collecting tank, and the clamping plate is of an arc-shaped structure.

8. The apparatus for detecting hardness of rare earth ore according to claim 7, wherein when the collecting tank is connected to the protecting cover, the collecting tank is slidably connected to the second sliding groove of the protecting cover via the second slider, the engaging plate is engaged with the engaging groove, and the collecting opening is communicated with the cavity of the protecting cover via the through groove.

9. The rare earth ore hardness testing device as claimed in claim 1, wherein the mounting base includes a third sliding groove, a shaft rod, a gear and a second belt wheel, the third sliding groove is formed at the front end of the mounting base, the clamping assembly is slidably connected with the mounting base through the third sliding groove, the shaft rod is arranged at the bottom of the mounting base and penetrates through the side wall of the bottom end of the third sliding groove, the shaft rod is rotatably connected with the mounting base through a bearing, the gear is arranged at the top end of the shaft rod and is located in the third sliding groove, the second belt wheel is arranged at the bottom end of the shaft rod, and the second belt wheel is in transmission connection with the first belt wheel through a belt.

10. The rare earth ore hardness testing device of claim 9, wherein the clamping assembly comprises a first clamping plate, a second clamping plate, a rubber pad and a rack, the first clamping plate and the second clamping plate are symmetrically distributed, the rubber pad is arranged on the opposite inner sides of the first clamping plate and the second clamping plate, the rack is arranged on the first clamping plate and the second clamping plate, the rack is located in the third sliding groove, the two racks are located on the two sides of the gear, and the rack is meshed with the gear.