CN110907215B - Urea-formaldehyde resin detects sampling equipment among imitative porcelain tableware - Google Patents
Urea-formaldehyde resin detects sampling equipment among imitative porcelain tableware Download PDFInfo
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- CN110907215B CN110907215B CN201911378155.8A CN201911378155A CN110907215B CN 110907215 B CN110907215 B CN 110907215B CN 201911378155 A CN201911378155 A CN 201911378155A CN 110907215 B CN110907215 B CN 110907215B
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- urea
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- porcelain
- formaldehyde resin
- grinding
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
Abstract
The invention discloses urea-formaldehyde resin detection sampling equipment in porcelain-imitating tableware, which comprises a driving piece, a grinding piece, an air injection piece and a rotary pipe provided with a through hole, wherein the grinding piece comprises an upper plate and an outer conical grinding cover with a downward small end, the small end of the outer conical grinding cover is arranged in a closed manner, the upper end of the outer conical grinding cover is fixedly and hermetically connected with the side surface of the upper plate, the upper plate is provided with an air outlet hole communicated with the inner cavity of the outer conical grinding cover, the outer side of the outer conical grinding cover is provided with a plurality of grooves, the upper plate is connected with the lower end of the rotary pipe, the through hole of the rotary pipe is communicated with the inner cavity of the outer conical grinding cover, the air injection piece comprises a rotary joint, a guide pipe and an air pump, the rotary joint is arranged at the upper end of the rotary pipe, and the rotary joint is connected with the air pump through the guide pipe; this urea-formaldehyde resin detects sampling device among imitative porcelain tableware has reduced the temperature of grinding piece and imitative porcelain tableware sample position through the air that flows, avoids urea-formaldehyde resin to be met the thermal hydrolysis, improves the detection precision to urea-formaldehyde resin.
Description
Technical Field
The invention relates to the technical field of porcelain-like tableware detection equipment, in particular to urea-formaldehyde resin detection sampling equipment in porcelain-like tableware.
Background
The porcelain-like tableware is also called as melamine tableware, and is widely applied to the catering field because the porcelain-like tableware is printed delicately and is not easy to break, and the porcelain-like tableware is made of melamine resin through pressurization, heating and solidification; the chemical properties of the urea-formaldehyde resin and the melamine resin are similar, the cost of the urea-formaldehyde resin is lower than that of the melamine resin, if the urea-formaldehyde resin is used as a raw material to manufacture the porcelain-like tableware, the urea-formaldehyde resin is easy to release formaldehyde when being heated, the body health of a user can be influenced, and the porcelain-like tableware manufactured by using the urea-formaldehyde resin as the raw material is convenient to detect.
However, in order to avoid detection, some manufacturers spray melamine powder on the urea-formaldehyde resin base material to form a melamine layer on the surface of the tableware, and after the porcelain-like tableware is used for a period of time, the melamine coating can fall off or crack, so that formaldehyde in the urea-formaldehyde resin base material is released when the porcelain-like tableware is heated.
When the market supervision enforcement department carries out law enforcement and supervision, the porcelain-like tableware which is randomly inspected needs to be sent to a special detection mechanism, the detection cost is high, and the detection period is long; if the market supervision enforcement department grinds and samples the porcelain-like tableware, and the friction between a grinding piece and the porcelain-like tableware generates heat, because the temperature resistance, the water resistance and the weather resistance of the urea-formaldehyde resin are not high, the urea-formaldehyde resin is hydrolyzed when meeting strong acid and strong alkali or at the temperature of more than 80 ℃, formaldehyde and urea ammonia are released, the urea-formaldehyde resin at the grinding part is heated and decomposed to generate formaldehyde, the detection of the urea-formaldehyde resin mainly takes the formaldehyde as a detection object, and the grinding and sampling can influence the detection precision.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the urea-formaldehyde resin detection sampling equipment in the porcelain-imitated tableware, which reduces the temperature of the grinding piece and the sampling position of the porcelain-imitated tableware through flowing air, avoids hydrolysis of the urea-formaldehyde resin when heated, improves the detection precision of the urea-formaldehyde resin, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a urea-formaldehyde resin detects sampling equipment among imitative porcelain tableware, includes driving piece, grinds piece, notes gas piece and sets up fenestrate rotating tube along length direction.
Grind the piece and include that upper plate and tip outer toper down grind the cover, the main aspects opening setting of outer toper grinding cover and its tip are airtight to be set up, and the upper end of outer toper grinding cover and the side fixed seal of upper plate are connected, set up the venthole that the outer toper of intercommunication ground the cover inner chamber on the upper plate, and a plurality of recesses have been seted up in the outer toper grinding cover outside, and the lower extreme of upper plate and rotatory pipe is connected, and the perforation of rotatory pipe and the inner chamber intercommunication of outer toper grinding cover.
The gas injection piece comprises a rotary joint, a conduit and an air pump, wherein the rotary joint is arranged at the upper end of the rotary pipe, and the rotary joint and the air pump are connected through the conduit.
The outside of driving piece and rotatory pipe is connected, and the rotatory pipe of driving piece drive is rotatory, and the driving piece below is fixed with flexible pipe, and the part that the rotatory pipe is located the driving piece lower part all is located the flexible pipe with grinding the piece.
As a preferable technical scheme of the invention, the grinding part further comprises a helical blade and an inner conical cover with a downward small end, the inner conical cover is positioned in the outer conical grinding cover, the upper end of the inner conical cover is fixedly connected with the lower side of the upper plate, and the inner cavity of the inner conical cover is communicated with the through hole of the rotating pipe.
The spiral blade is positioned between the inner conical cover and the outer conical grinding cover, the spiral blade, the inner conical cover and the outer conical grinding cover form a spiral channel, the lower end of the spiral channel is communicated with the inner cavity of the inner conical cover, and the upper end of the spiral channel is communicated with the outside through an air outlet.
As a preferred technical scheme of the invention, the driving piece comprises a shell, a control switch group, a motor and a power supply, the motor is fixed on the shell, a first gear is installed on an output shaft of the motor, a second gear matched with the first gear is installed on the rotating tube, an input end of the motor and an input end of the air pump are both electrically connected with an output end of the control switch group, and an input end of the control switch group is electrically connected with an output end of the power supply.
As a preferable technical scheme of the invention, the lower end of the extension tube is fixedly and hermetically connected with the side surface of the annular plate.
As a preferred technical scheme of the invention, a plurality of telescopic rods are arranged between the annular plate and the shell, and the upper end and the lower end of each telescopic rod are respectively fixedly connected with the upper surface of the annular plate and the lower surface of the shell.
As a preferable technical scheme of the invention, the telescopic rod is sleeved with an elastic piece.
As a preferable technical scheme of the invention, an anti-skid elastic rubber pad is fixed on the lower side of the annular plate.
As a preferable technical solution of the present invention, the air pump is replaced with a liquid pump.
As a preferred technical scheme of the invention, the filter also comprises a collecting shell with an opening at the upper end, wherein the collecting shell is provided with a through hole, and a filter element is arranged in the through hole.
In a preferred embodiment of the present invention, the filter is any one of a sponge, a nonwoven fabric, a cotton fabric and a gauze.
Compared with the prior art, the invention has the beneficial effects that:
1. the urea-formaldehyde resin detection sampling equipment in the porcelain-imitated tableware reduces the temperature of the grinding piece and the sampling position of the porcelain-imitated tableware through flowing air, avoids hydrolysis of the urea-formaldehyde resin when the urea-formaldehyde resin is heated, and improves the detection precision of the urea-formaldehyde resin.
2. According to the urea-formaldehyde resin detection sampling device in the porcelain-imitated tableware disclosed by the invention, air flows through the inner cavity of the outer conical grinding cover to take away heat on the outer conical grinding cover and flows out through the air outlet, the air flowing out of the air outlet flows downwards through the groove in the outer conical grinding cover under the constraint of the telescopic pipe, and the air flowing through the groove takes away heat on the outer side of the outer conical grinding cover and heat on the grinding surface of the porcelain-imitated tableware due to the fact that the groove rotates along with the outer conical grinding cover, so that the temperature of the grinding surface is effectively reduced.
3. According to the urea-formaldehyde resin detection sampling device in the porcelain-imitated tableware disclosed by the invention, the lower end of the telescopic pipe is in contact with the side surface of the porcelain-imitated tableware, and the grinding piece is positioned in a sealed environment by the telescopic pipe, the porcelain-imitated tableware and the driving piece, so that grinding particles are prevented from splashing on the porcelain-imitated tableware.
4. According to the urea-formaldehyde resin detection sampling device in the porcelain-imitating tableware, disclosed by the invention, the helical blade, the inner conical cover and the outer conical grinding cover form a helical channel, the helical channel increases the contact area between the flowing air and the inner wall of the outer conical grinding cover, and the heat dissipation effect of the flowing air on the outer conical grinding cover is improved.
5. According to the urea-formaldehyde resin detection sampling device in the porcelain-imitated tableware disclosed by the invention, the connecting strength between the shell and the annular plate is improved by the telescopic rod, the annular plate is limited by the telescopic rod to move only in the length direction of the telescopic rod, when the grinding piece rotates, the porcelain-imitated tableware is prevented from rotating by the friction force between the annular plate and the porcelain-imitated tableware, the grinding and sampling efficiency is ensured, and the sealing effect of the contact part of the lower end of the telescopic pipe and the porcelain-imitated tableware is ensured; the lower end of the telescopic pipe is prevented from being bent and distorted, and the sealing effect of the contact part of the lower end of the telescopic pipe and the porcelain-like tableware is ensured.
6. The urea-formaldehyde resin detection sampling equipment in the porcelain-imitating tableware provided by the invention has the advantages that the air flow takes away the materials ground by the grinding surface, and the ground materials are prevented from being repeatedly ground to generate heat.
7. According to the urea-formaldehyde resin detection sampling device in the porcelain-imitated tableware disclosed by the invention, the anti-skid elastic rubber pad increases the friction force between the annular plate and the porcelain-imitated tableware, so that the annular plate and the porcelain-imitated tableware are prevented from sliding relatively, the anti-skid elastic rubber pad is deformed under pressure, and the sealing property between the annular plate and the porcelain-imitated tableware is improved.
8. According to the urea-formaldehyde resin detection sampling device in the porcelain-imitating tableware, materials generated by grinding enter the collecting shell along with air flow, air entering the collecting shell is filtered by the filter element and flows out, and the materials generated by grinding and the air flow are convenient to separate.
9. The urea-formaldehyde resin detection sampling equipment in the porcelain-imitating tableware disclosed by the invention has the advantages of simple structure, low cost and easiness in manufacturing and popularization; the urea-formaldehyde resin can be used for detecting the porcelain-like tableware without being checked, so that the cost of law enforcement detection is reduced, and the detection period is shortened.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of a polishing member according to the present invention;
fig. 5 is a schematic structural view of the telescopic rod and the elastic member of the present invention.
In the figure: the device comprises a shell 1, a control switch group 2, a rotary joint 3, a telescopic rod 4, a telescopic tube 5, a filtering piece 6, a guide tube 7, an inner conical cover 8, a first gear 9, a collecting shell 10, a power supply 11, a groove 12, a second gear 13, a rotary tube 14, an air pump 15, an annular plate 16, an anti-skid elastic rubber pad 17, an air outlet hole 18, an outer conical grinding cover 19, a helical blade 20, an upper plate 21, an elastic piece 22 and a motor 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1, 2, 3, 4 and 5, the present embodiment discloses a sampling device for detecting urea-formaldehyde resin in porcelain-like tableware, which comprises a driving member, a grinding member, an air injection member and a rotating tube 14 with a through hole along the length direction.
The outer toper grinding cover 19 that this embodiment ground piece includes upper plate 21 and tip down, the tip opening setting of outer toper grinding cover 19 and the airtight setting of its tip, the upper end of outer toper grinding cover 19 and the side fixed seal of upper plate 21 are connected, set up the venthole 18 that the outer toper of intercommunication ground the cover 19 inner chamber on the upper plate 21, a plurality of recesses 12 have been seted up in the outer toper grinding cover 19 outside, and recess 12 is not perpendicular rather than the axis, the lower extreme of upper plate 21 and rotatory pipe 14 is connected, and the perforation of rotatory pipe 14 and the inner chamber intercommunication of outer toper grinding cover 19.
The gas-injection member of the present embodiment comprises a rotary joint 3, a conduit 7 and a gas pump 15, the rotary joint 3 is mounted on the upper end of a rotary pipe 14, and the rotary joint 3 and the gas pump 15 are connected through the conduit 7.
The driving part is connected with the outer side of the rotating pipe 14, the driving part drives the rotating pipe 14 to rotate, the telescopic pipe 5 is fixed below the driving part, and the part of the rotating pipe 14, which is positioned at the lower part of the driving part, and the grinding part are both positioned in the telescopic pipe 5.
The power supply 11 is a rechargeable lithium battery or a lead storage battery.
Preferably, the motor 23 is a servo motor, a speed reduction motor or a speed regulation motor.
Preferably, the rotary pipe 14 is a metal pipe.
The outer side of the outer conical grinding cover 19 is a rough grinding surface.
The working process and principle of the embodiment are as follows:
the air pump 15 is electrified to work, a pre-perforation is firstly arranged on the porcelain imitating tableware through a puncher or a punching pipe, the lower end of an outer conical grinding cover 19 of the grinding piece penetrates through the pre-perforation, the lower part of the pre-perforation is vacant, and a collecting device is arranged below the pre-perforation.
The driving piece drives the rotating pipe 14 to rotate, the rotating pipe 14 drives the grinding piece to rotate, and the grinding piece is prevented from driving the ceramic imitation tableware to rotate through the hand or the fixed ceramic imitation tableware of the external clamp.
The outer conical grinding hood 19 is pressed downwards by a drive, and the outer conical grinding hood 19 grinds and samples the pre-perforated inner wall.
The air pump 15 is electrified to work, so that external air enters the inner cavity of the outer conical grinding cover 19 through the rotary joint 3 and the rotary pipe 14, and the air flows through the inner cavity of the outer conical grinding cover 19 to take away heat on the outer conical grinding cover 19 and flows out through the air outlet 18.
The lower end of the telescopic pipe 5 is in contact with the side face of the porcelain-like tableware through a hand or an external fixing frame, the telescopic pipe 5, the porcelain-like tableware and the driving piece enable the grinding piece to be located in a sealed environment, grinding particles are prevented from splashing on the porcelain-like tableware, air flowing out of the air outlet 18 flows downwards through the groove 12 in the outer conical grinding cover 19 under the constraint of the telescopic pipe 5, and the air flowing through the groove 12 rotates along with the outer conical grinding cover 19, so that heat outside the outer conical grinding cover 19 and heat at the grinding face of the porcelain-like tableware are taken away by the air flowing through the groove 12.
The rotary joint 3 solves the problem that the rotary pipe 14 is easy to wind along with the rotation of the guide pipe 7.
When the driving member and the grinding member are moved downwards, the telescopic tube 5 is folded to a shorter length.
This urea-formaldehyde resin detects sampling equipment in imitative porcelain tableware has reduced the temperature of grinding piece and imitative porcelain tableware sampling position through mobile air, avoids urea-formaldehyde resin to be met the thermal hydrolysis, improves the detection precision to urea-formaldehyde resin.
Example two: as shown in figures 3 and 4, the embodiment discloses a urea-formaldehyde resin detection sampling device in porcelain-imitated tableware, the structure of which is substantially the same as that of the first embodiment, except that the grinding part of the embodiment further comprises a helical blade 20 and an inner conical cover 8 with a small end facing downwards, the inner conical cover 8 is positioned in an outer conical grinding cover 19, the upper end of the inner conical cover 8 is fixedly connected with the lower side of an upper plate 21, and the inner cavity of the inner conical cover 8 is communicated with a through hole of a rotating pipe 14.
Further, the helical blade 20 is positioned between the inner conical cover 8 and the outer conical grinding cover 19, the helical blade 20, the inner conical cover 8 and the outer conical grinding cover 19 form a helical channel, the lower end of the helical channel is communicated with the inner cavity of the inner conical cover 8, and the upper end of the helical channel is communicated with the outside through the air outlet hole 18.
The working process and principle of the embodiment are as follows:
Example three: as shown in fig. 2, the embodiment discloses a urea-formaldehyde resin detection sampling device in porcelain-imitated tableware, the structure of which is substantially the same as that of the first embodiment, and the difference is that the driving member of the embodiment comprises a housing 1, a control switch group 2, a motor 23 and a power supply 11, the motor 23 is fixed on the housing 1, a first gear 9 is installed on an output shaft of the motor 23, a second gear 13 adapted to the first gear 9 is installed on a rotating pipe 14, an input end of the motor 23 and an input end of an air pump 15 are both electrically connected with an output end of the control switch group 2, and an input end of the control switch group 2 is electrically connected with an output end of the power supply 11.
Preferably, the first gear 9 and the second gear 13 are both conical gears or the first gear 9 and the second gear 13 are both straight gears.
The control switch group 2 is provided with control buttons respectively corresponding to the motor 23 and the air pump 15, and the control switch group 2 controls the working states of the motor 23 and the air pump 15.
The upper end of the telescopic pipe 5 is fixedly and hermetically connected with the lower side of the shell 1.
The control switch group 2, the air pump 15, the motor 23, and the like used in this embodiment are all common electronic components in the prior art, and the working method and the circuit structure thereof are all known technologies, and are not described herein again.
The working process and principle of the embodiment are as follows:
the motor 23 is controlled to work by controlling the switch group 2, and the motor 23 drives the rotating pipe 14 to rotate through the first gear 9 and the second gear 13.
Preferably, the motor 23, the power source 11 and the air pump 15 are all located in the housing 1, and both ends of the rotary pipe 14 penetrate the housing 1 up and down and are rotatably connected with the housing 1.
Example four: as shown in fig. 2, the present embodiment discloses a urea resin detection sampling device for porcelain-imitated tableware, and based on the first embodiment, the second embodiment or the third embodiment, the lower end of the telescopic pipe 5 of the present embodiment is fixedly and hermetically connected with the side surface of the annular plate 16.
Furthermore, a plurality of telescopic rods 4 are arranged between the annular plate 16 and the shell 1, and the upper end and the lower end of each telescopic rod 4 are respectively fixedly connected with the upper surface of the annular plate 16 and the lower surface of the shell 1.
The telescopic rod 4 is sleeved with an elastic part 22, and the elastic part 22 is an elastic tube or a spring.
The working process and principle of the embodiment are as follows:
when the downward pressure exerted by the driving piece is too large and the grinding piece rotates, the grinding piece can drive the porcelain-like tableware to rotate, so that the grinding and sampling efficiency is influenced; and the porcelain-like tableware can cause the lower end of the telescopic pipe 5 to be bent and distorted when rotating, and the sealing effect of the contact part of the lower end of the telescopic pipe 5 and the porcelain-like tableware is influenced.
The telescopic rod 4 improves the connection strength between the shell 1 and the annular plate 16, and the telescopic rod 4 limits the annular plate 16 to move only in the length direction of the telescopic rod 4; the resilient member 22 imparts a downward force on the annular plate 16.
When the grinding piece rotates, the friction force between the annular plate 16 and the porcelain-like tableware prevents the porcelain-like tableware from rotating, the grinding and sampling efficiency is ensured, and the sealing effect of the contact part of the lower end of the telescopic pipe 5 and the porcelain-like tableware is ensured; the lower end of the telescopic pipe 5 is prevented from being bent and distorted, and the sealing effect of the contact part of the lower end of the telescopic pipe 5 and the porcelain-like tableware is ensured; the air current takes away the material that the abrasive surface ground, avoids the material repeated grinding heat production that grinds down.
Example five: as shown in fig. 1 and fig. 2, the present embodiment discloses a device for detecting and sampling urea-formaldehyde resin in porcelain-like tableware, and on the basis of the first, second, third or fourth embodiments, an anti-skid elastic rubber pad 17 is fixed on the lower side of the annular plate 16.
The anti-skid elastic rubber pad 17 increases the friction force between the annular plate 16 and the porcelain-like tableware, avoids the annular plate 16 and the porcelain-like tableware from relative sliding, and the anti-skid elastic rubber pad 17 deforms under pressure, so that the sealing performance between the annular plate 16 and the porcelain-like tableware is improved.
Example six: as shown in fig. 1 and fig. 2, the present embodiment discloses a urea resin detection sampling device in porcelain-imitated tableware, which has a structure substantially the same as that of the first, second, third, fourth and fifth embodiments, except that an air pump 15 is replaced by a liquid pump.
The working process and principle of the embodiment are as follows:
the liquid pump causes water to flow through the interior of the outer conical grinding shell 19 to refrigerate the outer conical grinding shell 19, and water exiting the air outlet 18 flows through the outer conical grinding shell 19 and the grinding surface of the porcelain imitating tableware to refrigerate the grinding surface.
The material that the ground face ground is taken away to rivers, avoids the material repeated grinding heat production that grinds down.
Example seven: as shown in fig. 1 and fig. 2, the embodiment discloses a urea-formaldehyde resin detection sampling device in porcelain-like tableware, the structure of which is substantially the same as that of the first embodiment, and the difference is that the embodiment further comprises a collection housing 10 with an open upper end, a through hole is formed in the collection housing 10, and a filter element 6 is installed in the through hole.
Further, the filter member 6 is any one of a sponge, a nonwoven fabric, a cotton fabric and a gauze.
The working process and principle of the embodiment are as follows:
the air enters the collecting shell 10 through the outer conical grinding cover 19 and the grinding surface of the porcelain-imitating tableware, the materials generated by grinding enter the collecting shell 10 along with the air flow, the air entering the collecting shell 10 is filtered and flows out through the filter piece 6, and the materials generated by grinding are convenient to separate from the air flow.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a urea-formaldehyde resin detects sampling equipment among imitative porcelain tableware which characterized in that: comprises a driving piece, a grinding piece, an air injection piece and a rotating pipe (14) which is provided with a through hole along the length direction;
the grinding piece comprises an upper plate (21) and an outer conical grinding cover (19) with a downward small end, the large end of the outer conical grinding cover (19) is opened and the small end is sealed, the upper end of the outer conical grinding cover (19) is fixedly and hermetically connected with the side surface of the upper plate (21), the upper plate (21) is provided with an air outlet hole (18) communicated with the inner cavity of the outer conical grinding cover (19), the outer side of the outer conical grinding cover (19) is provided with a plurality of grooves (12), the upper plate (21) is connected with the lower end of a rotating pipe (14), and a through hole of the rotating pipe (14) is communicated with the inner cavity of the outer conical grinding cover (19);
the gas injection piece comprises a rotary joint (3), a conduit (7) and a gas pump (15), the rotary joint (3) is arranged at the upper end of a rotary pipe (14), and the rotary joint (3) is connected with the gas pump (15) through the conduit (7);
the driving part is connected with the outer side of the rotating pipe (14), the driving part drives the rotating pipe (14) to rotate, a telescopic pipe (5) is fixed below the driving part, and the part of the rotating pipe (14) positioned at the lower part of the driving part and the grinding part are both positioned in the telescopic pipe (5);
the lower end of the telescopic pipe (5) is fixedly and hermetically connected with the side surface of the annular plate (16);
a plurality of telescopic rods (4) are arranged between the annular plate (16) and the shell (1), and the upper end and the lower end of each telescopic rod (4) are fixedly connected with the upper surface of the annular plate (16) and the lower surface of the shell (1) respectively.
2. The device for detecting and sampling urea-formaldehyde resin in porcelain-like tableware according to claim 1, characterized in that: the grinding part also comprises a helical blade (20) and an inner conical cover (8) with the small end facing downwards, the inner conical cover (8) is positioned in the outer conical grinding cover (19), the upper end of the inner conical cover (8) is fixedly connected with the lower side of the upper plate (21), and the inner cavity of the inner conical cover (8) is communicated with the through hole of the rotating pipe (14);
the spiral blade (20) is positioned between the inner conical cover (8) and the outer conical grinding cover (19), the spiral blade (20), the inner conical cover (8) and the outer conical grinding cover (19) form a spiral channel, the lower end of the spiral channel is communicated with the inner cavity of the inner conical cover (8), and the upper end of the spiral channel is communicated with the outside through the air outlet hole (18).
3. The device for detecting and sampling urea-formaldehyde resin in porcelain-like tableware according to claim 1, characterized in that: the driving piece comprises a shell (1), a control switch group (2), a motor (23) and a power supply (11), the motor (23) is fixed on the shell (1), a first gear (9) is installed on an output shaft of the motor (23), a second gear (13) matched with the first gear (9) is installed on a rotating pipe (14), the input end of the motor (23) and the input end of an air pump (15) are electrically connected with the output end of the control switch group (2), and the input end of the control switch group (2) is electrically connected with the output end of the power supply (11).
4. The device for detecting and sampling urea-formaldehyde resin in porcelain-like tableware according to claim 1, characterized in that: the telescopic rod (4) is sleeved with an elastic piece (22).
5. The device for detecting and sampling urea-formaldehyde resin in porcelain-like tableware according to claim 1, characterized in that: an anti-slip elastic rubber pad (17) is fixed on the lower side of the annular plate (16).
6. The device for detecting and sampling urea-formaldehyde resin in porcelain-like tableware according to claim 1, characterized in that: the air pump (15) is replaced by a liquid pump.
7. The device for detecting and sampling urea-formaldehyde resin in porcelain-like tableware according to claim 1, characterized in that: the filter is characterized by further comprising a collecting shell (10) with an opening at the upper end, wherein a through hole is formed in the collecting shell (10), and a filter piece (6) is installed in the through hole.
8. The device for detecting and sampling urea-formaldehyde resin in porcelain-like tableware according to claim 7, wherein: the filtering piece (6) is any one of sponge, non-woven fabric, cotton cloth and gauze.
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| CN110280343A (en) * | 2019-06-18 | 2019-09-27 | 安徽中宏橡塑有限公司 | A kind of rubber powder grinding device |
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