CN218690048U - Grinding instrument - Google Patents

Abstract

The utility model discloses a grinding instrument, belonging to the field of crushing and grinding of detection materials, comprising a base, a vibration frame, a driving device and a bearing device for loading a grinding cup; the driving device is fixedly connected with the vibration frame; the vibration frame is elastically connected with the base; the bearing device is arranged on the vibration frame and is in sliding connection with the vibration frame in the vertical direction; the driving device is configured to simultaneously drive the bearing device to reciprocate in the vertical direction and drive the vibration frame to vibrate. The utility model discloses can realize grinding cup's multi-direction motion simultaneously, it is effectual to grind, and grinding efficiency is high.

Description

Grinding instrument

Technical Field

The utility model relates to a detect broken grinding technical field of material, in particular to grinding appearance.

Background

In the fields of biology, medical treatment and the like, a test specimen needs to be ground before test detection can be carried out. The grinder is a common device for grinding the test specimen, and generally, grinding sand and the test specimen are put into a grinding cup, and grinding is realized by the movement of the grinding cup.

In daily practice, the inventors found that the prior art solutions have the following problems:

at present, the vertical grinding equipment that people used, at the grinding in-process, the emery bounces away with grinding sample under the grinding ball striking, and grinding efficiency is low, and grinding effect is poor to grinding equipment's grinding ball is single to grinding cup effect mode, also causes grinding efficiency to hang down.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a grinding instrument, can realize grinding cup's multi-direction motion simultaneously, and it is effectual to grind, and grinding efficiency is high.

A grinding apparatus comprising a grinding cup and a carrier for carrying said grinding cup; the grinding cup is filled with a plurality of grinding beads for grinding a sample; further comprising: the vibration device comprises a base, a vibration frame and a driving device; the driving device is fixedly connected with the vibration frame; the vibration frame is elastically connected with the base; the bearing device is arranged on the vibration frame and is in sliding connection with the vibration frame in the vertical direction; the driving device is configured to simultaneously drive the bearing device to reciprocate in the vertical direction and drive the vibration frame to vibrate.

Preferably, the driving device comprises an eccentric wheel, a swing rod and a driving motor for driving the eccentric wheel to rotate; the eccentric wheel is rotationally connected with the vibration frame and can rotate along a vertical plane; the swing rod is arranged in parallel to a rotating plane where the eccentric wheel is located; one end of the swing rod is rotationally connected with the eccentric wheel through a connecting shaft; the other end of the swing rod is connected with the bearing device, and the bearing device is driven to move along the vertical direction.

Preferably, the grinding instrument further comprises a linear bearing assembly fixedly connected with the vibration frame; the driving device further comprises a sliding shaft; one end of the sliding shaft is rotatably connected with the swing rod; the other end of the sliding shaft penetrates through the linear bearing assembly and is fixedly connected with the bearing device.

Preferably, the driving device further comprises a connecting block; the sliding shaft is rotatably connected with the oscillating bar through the connecting block; the end part of the sliding shaft is fixedly connected with the connecting block.

Preferably, the carrying device comprises a carrying cup rack for placing the grinding cup and a knob gland for fixing the grinding cup; the knob gland is detachably and fixedly connected with the cup carrying frame.

Preferably, the cup carrier comprises a carrier body and a plurality of loading holes; the knob gland is arranged on the upper portion of the loading hole and is in threaded connection with the carrier body.

Preferably, the bearing device further comprises a lock rod module for limiting the knob gland; the locking rod module comprises a fixed rod, a locking rod pin shaft and a locking rod; the lock rod is hinged with the fixed rod through a lock rod pin shaft, and the lock rod and the fixed rod can be in a bending state or a straightening state; the knob gland comprises a disc-shaped gland body, a gland hole and a stop block, wherein the gland hole and the stop block are arranged on the gland body; the gland hole is arranged in the center of the gland body; the stop block is arranged on the surface of the gland body in a way of surrounding the gland hole; the fixing rod penetrates through the gland hole and is fixedly connected with the cup carrier; when the lock rod and the fixed rod are in a bent state, the lock rod can block the stop block from rotating along the rotating path of the stop block.

Preferably, the grinder further comprises a suction cup; the sucker is fixedly arranged on the bottom surface of the base.

Preferably, the grinding instrument further comprises a cover body and a box body with an opening at the upper part; the box body is fixedly connected with the base and covers the vibration frame, the driving device and the bearing device; the opening of the box body is arranged at the upper part of the bearing device; the cover body is hinged to the box body, and the cover body is arranged at an opening of the box body.

Preferably, the grinder further comprises a magnetic attraction device arranged on the lower surface of the cover body and used for attracting the cover body and the box body.

Compared with the prior art, the application has at least the following beneficial effects:

1. the utility model discloses can make the grinding cup simultaneously vertically carry out reciprocating motion and multi-direction disturbance, it is effectual to grind, and grinding efficiency is high.

2. The utility model discloses a can be in the locking lever module of the state of buckling or straight state, utilize the locking lever module to the hindrance effect of knob gland, effectively prevent to grind the cup and drop at vibrations grinding in-process.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic view of the overall appearance structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an exploded view of the carrying device and the connecting assembly thereof according to the present invention;

fig. 4 is a schematic structural view of the lock rod module of the present invention;

fig. 5 is a schematic structural view of the knob gland of the present invention;

fig. 6 is a schematic view of the locking state of the locking rod module and the knob cover of the present invention.

Wherein the figures include the following reference numerals:

1. the grinding machine comprises a box body, 2, a sucker, 3, a cover body, 4, a magnetic suction device, 5, a microswitch, 6, an indicator light, 7, a control key, 8, a base, 9, a vibration frame, 10, a grinding cup, 11, a bearing device, 12, a linear bearing assembly, 13, a sliding shaft, 14, a connecting block, 15, a swing rod, 16, an eccentric wheel, 17, a rotary bearing assembly, 18, a coupler, 19, a motor support, 20, a driving motor, 21, a connecting frame, 22, an elastic piece, 23 and a fixed disc;

111. a cup carrying rack 112, a lock rod module 113 and a knob gland;

1111. a carrier body 1112, a loading hole;

1121. a fixed rod 1122, a lock rod pin roll 1123 and a lock rod;

1131. gland body, 1132, gland hole, 1133, dog.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

As shown in fig. 1 and 2 and with reference to fig. 3, a grinder includes: a base 8, a shaking frame 9, a drive means and a carrier means 11 for carrying a grinding cup 10. The grinding cup 10 is filled with a plurality of grinding beads for grinding a sample. The driving device is fixedly connected with the vibration frame 9, the vibration frame 9 is elastically connected with the base 8, and the bearing device 11 is arranged on the vibration frame 9 and is in sliding connection with the vibration frame 9 in the vertical direction. The driving means is configured to simultaneously drive the carrier means 11 to reciprocate in the vertical direction and to drive the seismic frame 9 to vibrate.

Specifically, the driving device can drive the eccentric wheel 16 to rotate, and the vibration rack 9 is driven to vibrate under the irregular rotation of the eccentric wheel 16. Meanwhile, the swing link 15 is rotatably connected with the eccentric wheel 16, so that the swing link 15 vertically reciprocates along with the eccentric wheel 16 under the driving of the driving device, and further drives the bearing device 11 to reciprocate in the vertical direction. The connecting frame 21 is fixedly arranged on the upper surface of the bottom plate of the vibration frame 9, and the position of the bottom plate of the vibration frame 9 corresponding to the connecting frame 21 is provided with an opening. The elastic member 22 penetrates through the opening of the bottom plate of the vibration frame 9, the upper end of the elastic member is fixedly connected with the connecting frame 21, and the lower end of the elastic member is fixedly connected with the upper surface of the base 8, so that the vibration frame 9 is elastically connected with the upper surface of the base 8. The resilient member 22 is preferably a spring. Further, the elastic member 22 may be a member having an elastic action, such as an elastic rubber member, a rubber air bag, or an air spring.

The driving device comprises a sliding shaft 13, a connecting block 14, a swing rod 15, an eccentric wheel 16 and a driving motor 20 for driving the eccentric wheel 16 to rotate.

The driving motor 20 is fixed on the upper surface of the bottom plate of the vibration frame 9 through a motor support 19. The eccentric 16 is connected to a drive motor 20 via a drive shaft fixedly connected to the coupling 18, the drive motor 20 providing rotational power for the rotation of the eccentric 16 such that the eccentric 16 can rotate in a vertical plane. The coupling 18 is preferably a flexible coupling. The drive shaft is rotatably coupled to the vibration frame 9 via a rotary bearing assembly 17 fixedly coupled to the upper surface of the bottom plate of the vibration frame 9 to support the eccentric 16. Under the rotation of the eccentric wheel 16, the driving device can drive the vibration frame 9 to vibrate.

The lower end of the linear bearing assembly 12 is fixedly connected with the vibration frame 9. The sliding shaft 13 penetrates through the linear bearing assembly 12, a fixed disc 23 is fixedly arranged at the upper end of the sliding shaft 13, and the bearing device 11 is fixedly connected with the upper end of the sliding shaft 13 through the fixed disc 23. The lower end of the sliding shaft 13 is fixedly connected with the connecting block 14.

The swing link 15 is arranged parallel to the rotation plane of the eccentric wheel 16, one end of the swing link is rotationally connected with the eccentric wheel 16 through a connecting shaft, and the other end of the swing link is rotationally connected with the connecting block 14, so that the sliding shaft 13 is rotationally connected with the swing link 15, and the bearing device 11 can be driven to move in the vertical direction. By means of the driving of a transmission mechanism consisting of the sliding shaft 13, the connecting block 14 and the swing rod 15 and the eccentric motion of the eccentric wheel 16, the grinding cup 10 loaded on the bearing device 11 can move vertically, and meanwhile, due to the elastic connection effect of the vibration frame 9 and the base 8, the grinding cup 10 also has multidirectional disturbance beyond the vertical direction, so that the grinding effect can be effectively increased, and the grinding efficiency is improved.

Optionally, 8 bottom surfaces of the base are further fixedly provided with the sucking discs 2, so that the grinding instrument can be fixed and prevented from jumping in the operation process.

Optionally, the grinding apparatus further comprises a cover 3 and a box 1 with an opening at the upper part. The box body 1 is fixedly connected with the base 8 and covers the vibration frame 9, the driving device and the bearing device 11. An opening of the housing 1 is provided at an upper portion of the carrier 11, so that an operator can load the grinding cup 10 on the carrier 11 or remove the grinding cup 10 from the carrier 11. Lid 3 is articulated with box 1, and lid 3 sets up in the opening part of box, can close the opening part lid of box. The lower surface of the cover body 3 is provided with a magnetic attraction device 4 which can rely on the magnetic action and is used for attracting the cover body 3 and the box body 1.

Optionally, a mill apparatus further comprises a control system. The microswitch 5 is arranged at the joint of the cover body 3 and the box body 1 and is used for detecting whether the cover body 3 is covered or not. In addition, the grinding instrument also comprises a control key 7 for sending a control signal instruction to a control system and an indicator lamp 6 for displaying the working state.

As shown in fig. 3 to 6, the carrier 11 includes a cup holder 111 for placing the grinding cup 10, a knob cover 113 for fixing the grinding cup 10, and a lock lever module 112 for limiting the knob cover 113.

The cup holder 111 includes a holder body 1111 and a plurality of loading holes 1112. The knob pressing cover 113 is disposed on the upper portion of the loading hole 1112 and is screwed with the carrier body 1111, so that the knob pressing cover 113 can be detachably and fixedly connected with the carrier holder 111.

The locking bar module 112 includes a fixing bar 1121, a locking bar pin 1122, and a locking bar 1123. The lock rod 1123 is hinged to the fixing rod through a lock rod pin 1122, and the lock rod 1123 and the fixing rod 1121 can be in a bent state or a straight state.

The knob cover 113 includes a disk-shaped cover 1131, and a cover hole 1132 and a stopper 1133 disposed on the cover 1131. The capping hole 1132 is disposed at the center of the capping body 1131. The stopper 1133 is disposed on the surface of the gland body 1131 around the gland hole 1132. The fixing rod 1121 is fixedly coupled to the cup holder 111 through the cap pressing hole 1132. When the lock rod 1123 and the fixing rod 1121 are in the bent state, the lock rod 1123 can block the stopper 1133 from rotating along the rotation path thereof, so that the lock rod module 112 and the knob cover 113 are in the locked state. When the lock rod 1123 and the fixing rod 1121 are in the upright state, the knob cover 113 can be rotated, and the knob cover 113 can be separated from the cup holder 111.

The working principle is as follows: the utility model discloses the grinding cup is filled with a plurality of grinding pearls that are used for grinding the sample, utilize the link mechanism who is connected with the eccentric wheel to carry out the transmission, the drive is used for loading the vertical reciprocating motion of the device that bears who grinds the cup, utilize the beating striking that grinds the pearl in grinding the cup to wait to detect the material and grind, rely on vibrations under the eccentric wheel drives with base elastic connection's vibrations frame simultaneously, realize grinding the cup in multi-direction disturbance, rely on grinding the vertical reciprocating motion and the multidirectional disturbance of cup, the reinforcing grinding effect, the efficiency of the grinding is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A grinding apparatus comprising a grinding cup (10) and a carrier means (11) for carrying said grinding cup (10); the grinding cup (10) is filled with a plurality of grinding beads for grinding a sample; it is characterized by also comprising: a base (8), a vibration frame (9) and a driving device; the driving device is fixedly connected with the vibration frame (9); the vibration frame (9) is elastically connected with the base (8); the bearing device (11) is arranged on the vibration frame (9) and is connected with the vibration frame (9) in a sliding manner in the vertical direction; the driving device is configured to simultaneously drive the carrying device (11) to reciprocate in the vertical direction and drive the vibration frame (9) to vibrate.

2. A mill apparatus according to claim 1, characterized in that the drive means comprise an eccentric (16), a pendulum (15) and a drive motor (20) for driving the eccentric (16) in rotation; the eccentric wheel (16) is connected in rotation relative to the seismic frame (9) and can rotate along a vertical plane; the swing rod (15) is arranged in parallel to a rotating plane where the eccentric wheel (16) is located; one end of the swing rod (15) is rotationally connected with the eccentric wheel (16); the other end of the swing rod (15) is connected with the bearing device (11) and drives the bearing device (11) to move along the vertical direction.

3. The grinder according to claim 2, characterized in that it further comprises a linear bearing assembly (12) fixedly connected to the seismic frame (9); the drive device further comprises a sliding shaft (13); one end of the sliding shaft (13) is rotationally connected with the swing rod (15); the other end of the sliding shaft (13) penetrates through the linear bearing assembly (12) and is fixedly connected with the bearing device (11).

4. A mill apparatus according to claim 3, characterised in that the drive means further comprises a connecting block (14); the sliding shaft (13) is rotationally connected with the swing rod (15) through the connecting block (14); the end part of the sliding shaft (13) is fixedly connected with the connecting block (14).

5. A grinding apparatus according to claim 1, wherein the carrier means (11) comprises a carrier cup holder (111) for holding the grinding cup (10) and a knob gland (113) for securing the grinding cup (10); the knob gland (113) is detachably and fixedly connected with the cup carrying frame (111).

6. The grinder of claim 5, wherein the carrier cup holder (111) comprises a carrier body (1111) and a number of loading holes (1112); the knob gland (113) is arranged at the upper part of the loading hole (1112), and the knob gland (113) is in threaded connection with the carrier body (1111).

7. The grinder of claim 5, wherein the carrier means (11) further comprises a locking bar module (112) for limiting the knob gland (113); the locking rod module (112) comprises a fixing rod (1121), a locking rod pin shaft (1122) and a locking rod (1123); the locking rod (1123) is hinged with the fixing rod (1121) through a locking rod (1123) pin shaft, and the locking rod (1123) and the fixing rod (1121) can be in a bent state or a straight state; the knob gland (113) comprises a disc-shaped gland body (1131), a gland hole (1132) and a stop block (1133), wherein the gland hole (1132) and the stop block are arranged on the gland body (1131); the gland hole (1132) is arranged in the center of the gland body (1131); the stop block (1133) is arranged on the surface of the gland body (1131) in a manner of surrounding the gland hole (1132); the fixing rod (1121) penetrates through the cover pressing hole (1132) and is fixedly connected with the cup carrying rack (111); when the lock rod (1123) and the fixing rod (1121) are in a bent state, the lock rod (1123) can block the stop block (1133) from rotating along the rotating path of the stop block.

8. The grinder of claim 1, characterized in that it further comprises a suction cup (2); the sucker (2) is fixedly arranged on the bottom surface of the base (8).

9. The grinder according to claim 1, characterized in that it further comprises a cover (3) and a box (1) with an opening at the upper part; the box body (1) is fixedly connected with the base (8) and covers the vibration frame (9), the driving device and the bearing device (11); the opening of the box body (1) is arranged at the upper part of the bearing device (11); the cover body (3) is hinged to the box body (1), and the cover body (3) is arranged at an opening of the box body (1).

10. The grinder according to claim 9, further comprising a magnetic attraction device (4) disposed on the lower surface of the cover (3) for attracting the cover (3) to the housing (1).

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