CN111301738B - Equipment for filling silicone grease - Google Patents
Equipment for filling silicone grease Download PDFInfo
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- CN111301738B CN111301738B CN202010073875.XA CN202010073875A CN111301738B CN 111301738 B CN111301738 B CN 111301738B CN 202010073875 A CN202010073875 A CN 202010073875A CN 111301738 B CN111301738 B CN 111301738B
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- raw material
- silicone grease
- grease raw
- infrared
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
- B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
- B65B3/12—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
- B65B3/30—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement
- B65B3/32—Methods or devices for controlling the quantity of the material fed or filled by volumetric measurement by pistons co-operating with measuring chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The embodiment of the disclosure discloses equipment for filling silicone grease. One embodiment of the apparatus comprises: a feed pipe; a transmission member; a discharge pipe; filling the rubber tube; a piston limit control member; and the control component is used for controlling the feeding pipe, the transmission component, the discharging pipe and the piston limit control component to fill the silicone grease raw material into the filling rubber pipe. Through the above-mentioned transfer member, the silicone grease raw material can be transferred into the above-mentioned tapping pipe. Thereby the silicone grease raw material can be transmitted more stably and durably. The outflow quantity of the silicone grease raw material in the discharge pipe can be controlled through the piston limit control component. Thereby the amount of the filled silicone grease raw material can be controlled more accurately. Thereby obtaining the accurate filled silicone grease raw material.
Description
Technical Field
The embodiment of the disclosure relates to the field of rubber injection molding, in particular to equipment for filling silicone grease.
Background
Currently, thermally conductive silicone grease has been applied to numerous fields. The heat-conducting silicone grease has the functions of heat conduction and heat dissipation. The heat-conducting silicone grease is used in some electronic components for heat conduction and heat dissipation of some electronic components.
The heat-conducting silicone grease has the characteristics of viscosity and low consistency. There is the bubble to appear in transmission process, and then quantity when can influencing the heat conduction silicone grease filling, causes the ration of filling to appear the deviation.
Disclosure of Invention
This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
In order to solve the problems, namely the problems that the viscosity of the heat-conducting silicone grease is high, air bubbles exist in the process of filling the heat-conducting silicone grease, and the air bubbles are not cleaned in the filling process, so that the product filling precision and the product filling quantification are inaccurate.
Some embodiments of the present disclosure provide an apparatus for filling silicone grease, comprising: a feed pipe; a conveying member, which is communicated with the feeding pipe and is used for extruding and conveying silicone grease raw materials and removing air in the silicone grease raw materials, wherein in a working state, the silicone grease raw materials enter the conveying member from the feeding pipe, and the conveying member extrudes and conveys the entered silicone grease raw materials; a discharge pipe, a first end of said discharge pipe being connected to said transfer member, said discharge pipe being adapted to transfer said silicone grease raw material; a filling rubber tube connected to a second end of the discharge tube, the filling rubber tube being configured to receive the silicone grease raw material; a piston limit control member for controlling the amount of the silicone grease raw material; and a control member for controlling the feeding pipe, the transfer member, the discharging pipe, and the piston limit control rod to fill the silicone grease raw material into the filling rubber pipe, wherein in a working state, the control box controls the transfer member to transfer the silicone grease raw material entering from the feeding pipe to the discharging pipe, and the piston limit control rod controls the discharging pipe to control the amount of the silicone grease raw material flowing into the filling rubber pipe.
In some embodiments, the transfer member comprises a gear set, the gear set comprising a first gear and a second gear, the first gear meshing with the second gear, the gear set communicating with the feed tube, the gear set for transferring the silicone grease feedstock to the discharge tube, the silicone grease feedstock entering the feed tube during operation, the meshing gear transferring the silicone grease feedstock to the discharge tube.
In some embodiments, the piston position limit control means further comprises: the induction sensor is arranged on the piston limit control rod and used for sensing whether the outflow of the silicone grease raw material in the discharge pipe exceeds a preset value or not, the discharge pipe transmits the silicone grease raw material to the filling rubber pipe in a working state, and when the induction sensor senses that the outflow of the silicone grease raw material exceeds the preset value, the induction sensor sends a transmission stopping signal to the control box, and the control box controls the discharge pipe to stop filling operation.
In some embodiments, the types of inductive sensors described above include: an active infrared sensor and a passive infrared sensor, the active infrared sensor is used for sensing the distance from the silicone grease raw material in the discharge pipe to the active infrared sensor, the passive infrared sensor is used for sensing the flow quantity of the silicone grease raw material flowing into the filling rubber pipe, the active infrared sensor comprises an infrared emission tube and an infrared receiving tube, the passive infrared sensor comprises a Fresnel lens and a pyroelectric sensor, the pyroelectric sensor comprises an induction window, a filter, a first infrared light sensor element and a second infrared light sensor element, the first infrared light sensor element and the second infrared light sensor element are oppositely connected in series in a circuit, the infrared emission tube is used for emitting and modulating infrared light signals, the infrared receiving tube is used for receiving reflected signals and determining the intensity of the reflected signals to determine the distance of an obstacle, the Fresnel lens is used for focusing infrared energy emitted by people or animals in a detected area, the pyroelectric sensor is used for sensing the infrared energy, outputting a signal and amplifying the signal, in a working state, the infrared emission tube emits a modulated infrared light signal, when the modulated infrared light signal meets the silicone grease raw material, the modulated infrared light signal is reflected to the infrared receiving tube, the infrared receiving tube receives the reflected modulated infrared light signal and determines the intensity of the reflected modulated infrared light signal to determine the distance between the modulated infrared light signal and the silicone grease raw material, and the passive infrared sensor is triggered when the distance is smaller than a preset value; the Fresnel lens focuses infrared energy generated in the process of sensing the flowing of the silicone grease raw material to a sensing window, an optical filter of the sensing window filters ambient light with a specific wavelength, and when no silicone grease raw material passes through the sensing window, the first infrared light sensor and the second infrared light sensor receive the same amount of ambient infrared light and offset each other, so that signals cannot be output; when the silicone grease raw material flows out of the sensing window, infrared energy emitted by the silicone grease raw material due to the pyroelectric effect is firstly detected by the first sensing element to generate a positive small signal output, and then is detected by the second sensing element to generate a negative small signal output, whether the outflow quantity of the silicone grease raw material flowing out of the filling rubber tube exceeds a preset value is sensed through signal amplification, and when the outflow quantity of the silicone grease raw material exceeds the preset value, a signal for stopping transmission is sent to the control member, and the control member controls the discharge tube to stop filling operation.
In some embodiments, the piston position limit control means further comprises: and the cylinder is connected with the piston limit control rod and is used for driving the piston limit control rod.
In some embodiments, the material of the tapping pipe comprises: high-temperature-resistant silica gel and heat-resistant rubber.
In some embodiments, the transport member further comprises a drive screw.
One of the above-described various embodiments of the present disclosure has the following advantageous effects: through the above-mentioned transfer member, the silicone grease raw material can be transferred into the above-mentioned tapping pipe. Thereby the silicone grease raw material can be transmitted more stably and durably. The outflow quantity of the silicone grease raw material in the discharge pipe can be controlled through the piston limit control component. Thereby the amount of the filled silicone grease raw material can be controlled more accurately. Thereby obtaining the accurate filled silicone grease raw material.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of some embodiments of an apparatus for filling silicone grease according to the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
In the description of the present disclosure, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present disclosure can be understood in specific instances by those of ordinary skill in the art.
It should be noted that, for the convenience of description, only the parts relevant to the related disclosure are shown in the drawings. The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Further, in the description of the present disclosure, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inside", "outside", and the like are based on the direction or positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the above-described devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, fig. 1 is a schematic structural view of some embodiments of an apparatus for filling silicone grease according to the present disclosure. As shown in fig. 1, the apparatus for filling silicone grease in the present embodiment may include a feeding pipe 1, a transfer member 2, a discharging pipe 3, a piston limit control member 4, a filling hose 5, and a control member 6 (not shown in the figure).
Specifically, the conveying member 2 communicates with the feeding pipe 1. The first end (left end as viewed in FIG. 1) of the tapping pipe 3 is connected to the conveyance member 2. The second end (the right end as viewed in fig. 1) of the discharge pipe 3 is connected to the filling hose. The transfer member 2 is used for pressing and transferring the silicone grease raw material and removing air in the silicone grease raw material. The discharge pipe 3 is used for conveying the silicone grease raw material. The filling rubber tube 5 is used for receiving the silicone grease raw material flowing out of the discharge tube 3. The piston stopper control means 4 is for controlling the amount of the silicone grease raw material. The control member 6 is configured to control the feeding pipe 1, the conveying member 2, the discharging pipe 3, and the piston stopper control member 4 to fill the silicone grease raw material into the filling hose 5.
In a working state, a silicone grease raw material is extruded to the feeding pipe 1 by the silicone grease raw material extruding machine, the silicone grease raw material in the feeding pipe 1 is conveyed to the discharging pipe 3 by the conveying member 2, and in the process that the silicone grease raw material is conveyed to the filling rubber pipe 5 by the discharging pipe 3, a laser emitter in the piston limit control member 4 emits laser. When the silicone grease raw material in the tapping pipe 3 blocks the laser light, the laser transmitter receives a signal and transmits the signal to the control box 6. And when the control box 6 receives the signal, the discharge pipe 3 is controlled to stop the filling operation.
In fig. 1, the silicone grease raw material is controlled by using a laser as an example. The adjustment of the piston limit control member can be carried out by a person skilled in the art according to the actual situation. Such variations are not beyond the scope of the present disclosure.
In addition, in order to make the work of conveying the silicone grease raw material of the equipment more stable, the silicone grease raw material has the characteristic of viscosity. Typically the transmission member may be a non-jamming transmission member. Alternatively, for example, a drive screw.
In order to prevent the discharge pipe 3 of the apparatus from contaminating the silicone grease raw material when the heat conductive silicone grease raw material is introduced, the material for manufacturing the discharge pipe 3 is usually a heat-resistant material. Alternatively, for example, high temperature resistant silicone rubber, heat resistant rubber. It should be noted that the skilled person can select the material of which the tapping pipe 3 is made according to the actual situation, but such alternatives do not depart from the scope of the present disclosure.
Alternatively, the transfer member 2 may comprise a gear set including a first gear and a second gear, the first gear being engaged with the second gear, the gear set being in communication with the feed pipe, the gear set being adapted to transfer the silicone grease raw material to the discharge pipe, the silicone grease raw material entering the feed pipe 1 in an operating state, the engaged gear transferring the silicone grease raw material to the discharge pipe 3.
Optionally, the piston limit control member 4 further comprises: and an induction sensor for sensing whether the outflow amount of the silicone grease raw material in the discharge pipe 3 exceeds a preset value. In an operating state, the discharging pipe 3 transmits the silicone grease raw material to the filling rubber pipe 5, when the induction sensor senses that the outflow amount of the silicone grease raw material exceeds a preset value, the induction sensor sends a transmission stopping signal to the control box 6, and when the control box 6 receives the transmission stopping signal, the discharging pipe 3 is controlled to stop filling operation. The preset value can be set by a technician according to actual conditions.
Optionally, the types of the induction sensor include: active infrared sensors and passive infrared sensors. The active infrared sensor is used for sensing the distance from the silicone grease raw material in the discharge pipe to the active infrared sensor. The passive infrared sensor is used for sensing the flow quantity of the silicone grease raw material flowing into the filling rubber tube. The active infrared sensor comprises an infrared transmitting tube and an infrared receiving tube. The passive infrared sensor comprises a Fresnel lens and a pyroelectric sensor. The pyroelectric sensor comprises an induction window, a filter plate, a first infrared light sensitive element and a second infrared light sensitive element. The first infrared photosensitive element and the second infrared photosensitive element are oppositely connected in series to a circuit. The infrared transmitting tube is used for transmitting the modulated infrared light signal. The infrared receiving tube is used for receiving the reflected signal and determining the intensity of the reflected signal to determine the distance of the obstacle. The Fresnel lens is used for focusing infrared energy emitted by a human or an animal in a detected area. The pyroelectric sensor is used for sensing infrared energy, outputting signals and amplifying the signals.
Under the working state, the infrared transmitting tube transmits a modulated infrared light signal. When the modulated infrared light signal meets the silicone grease raw material, the modulated infrared light signal is reflected to the infrared receiving tube. The infrared receiving tube receives the reflected modulated infrared light signal and determines the intensity of the reflected modulated infrared light signal to determine the distance to the silicone grease raw material. And triggering the passive infrared sensor when the distance is smaller than a preset value. The Fresnel lens focuses infrared energy generated in the process of inducing the flow of the silicone grease raw material to the induction window. The filter of the sensing window will filter out ambient light outside the specific wavelength. When no silicone grease raw material passes through the sensing window, the first infrared light sensor and the second infrared light sensor receive the same amount of environmental infrared light and offset each other, and signals cannot be output. When the silicone grease raw material flows out of the sensing window, infrared energy emitted by the silicone grease raw material due to the pyroelectric effect is firstly detected by the first sensing element to generate a positive small signal output, and then is detected by the second sensing element to generate a negative small signal output, and whether the outflow quantity of the silicone grease raw material flowing out of the filling rubber tube exceeds a preset value is sensed through signal amplification. And when the preset value is exceeded, sending a signal for stopping transmission to the control component, and controlling the discharge pipe to stop filling operation by the control component. Wherein, the preset value can be set by a technician according to the actual situation.
Wherein, can be more quick, more accurate detect the distance of above-mentioned silicone grease raw materials apart from above-mentioned filling rubber tube through above-mentioned initiative infrared sensor. Therefore, the original transmission condition of the silicone grease transmitted by the discharge pipe can be known more accurately. Furthermore, the transmission condition of the discharge pipe can be known in real time, and the problem that the transmission condition cannot be solved in time due to failure is avoided. The flowing state of the silicone grease raw material can be known more accurately through the passive infrared sensor. Therefore, the filling condition can be further known in time. Furthermore, the amount of filling can be accurately controlled.
Optionally, the piston limit control member 4 further comprises: and the cylinder is connected with the piston limit control rod and is used for driving the piston limit control rod.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other embodiments in which any combination of the features described above or their equivalents does not depart from the spirit of the disclosure. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Claims (4)
1. An apparatus for filling silicone grease, the apparatus comprising:
a feed pipe;
a conveying member, which is communicated with the feeding pipe and is used for extruding and conveying silicone grease raw material and removing air in the silicone grease raw material, wherein in a working state, the silicone grease raw material enters the conveying member from the feeding pipe, and the conveying member extrudes and conveys the entered silicone grease raw material;
the first end of the discharge pipe is connected with the conveying component, and the discharge pipe is used for conveying the silicone grease raw material;
the filling rubber tube is connected with the second end of the discharge tube and is used for receiving the silicone grease raw material;
a piston limit control member for controlling the amount of the silicone grease raw material;
a control member for controlling the feeding pipe, the conveying member, the discharging pipe and the piston limit control member to fill the silicone raw material into the filling hose, wherein in a working state, the control member controls the conveying member to convey the silicone raw material entering from the feeding pipe to the discharging pipe, and the piston limit control member controls the amount of the silicone raw material flowing into the filling hose from the discharging pipe;
the transmission member comprises a gear set, the gear set comprises a first gear and a second gear, the first gear is meshed with the second gear, the gear set is communicated with the feeding pipe, the gear set is used for transmitting the silicone grease raw material to the discharging pipe, in the working state, the silicone grease raw material enters the feeding pipe, and the gear set transmits the silicone grease raw material to the discharging pipe;
the piston limit control member includes: the induction sensor is used for sensing whether the outflow of the silicone grease raw material in the discharge pipe exceeds a preset value or not, the discharge pipe transmits the silicone grease raw material to the filling rubber pipe in the working state, when the induction sensor senses that the outflow of the silicone grease raw material exceeds the preset value, the induction sensor sends a transmission stopping signal to the control component, the control component controls the discharge pipe to stop filling operation, and the type of the induction sensor comprises: the active infrared sensor is used for sensing the distance between the silicone grease raw material and the active infrared sensor in the discharging pipe, the passive infrared sensor is used for sensing the flow quantity of the silicone grease raw material flowing into the filling rubber pipe, the active infrared sensor comprises an infrared transmitting tube and an infrared receiving tube, the passive infrared sensor comprises a Fresnel lens and a pyroelectric sensor, the pyroelectric sensor comprises a sensing window, a filter plate, a first infrared light sensing element and a second infrared light sensing element, the first infrared light sensing element and the second infrared light sensing element are oppositely connected in series in a circuit, the infrared transmitting tube is used for transmitting and modulating infrared light signals, the infrared receiving tube is used for receiving reflection signals and determining the strength of the reflection signals to determine the distance of an obstacle, the Fresnel lens is used for focusing infrared energy emitted by a silicone grease raw material in a detected area, the pyroelectric sensor is used for sensing the infrared energy, outputting a signal and amplifying the signal, the infrared emission tube emits a modulated infrared light signal in a working state, the modulated infrared light signal is reflected to the infrared receiving tube after meeting the silicone grease raw material, the infrared receiving tube receives the reflected modulated infrared light signal and determines the intensity of the reflected modulated infrared light signal to determine the distance from the silicone grease raw material, and the passive infrared sensor is triggered when the distance is smaller than a preset value; the Fresnel lens focuses infrared energy generated in the process of sensing the flowing of the silicone grease raw material to a sensing window, an optical filter of the sensing window filters ambient light with a specific wavelength, and when no silicone grease raw material passes through the sensing window, the first infrared light sensor and the second infrared light sensor receive the same amount of ambient infrared light and offset each other, so that signals cannot be output; when the silicone grease raw material flows out of the sensing window, infrared energy emitted by the silicone grease raw material due to the pyroelectric effect is firstly detected by the first infrared light sensing element to generate a positive small signal output, and then is detected by the second infrared light sensing element to generate a negative small signal output, whether the outflow quantity of the silicone grease raw material flowing out of the filling rubber tube exceeds a preset value is sensed through signal amplification, and when the outflow quantity of the silicone grease raw material exceeds the preset value, a signal for stopping transmission is sent to the control member, and the control member controls the discharge tube to stop filling operation.
2. The apparatus of claim 1, wherein the piston limit control member further comprises: the air cylinder is connected with the piston limit control rod and used for driving the piston limit control rod.
3. The apparatus of claim 1, wherein the material of the tapping pipe comprises: high-temperature-resistant silica gel and heat-resistant rubber.
4. The apparatus of claim 1, wherein the transport member further comprises a drive screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073875.XA CN111301738B (en) | 2020-01-22 | 2020-01-22 | Equipment for filling silicone grease |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010073875.XA CN111301738B (en) | 2020-01-22 | 2020-01-22 | Equipment for filling silicone grease |
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| CN111301738A CN111301738A (en) | 2020-06-19 |
| CN111301738B true CN111301738B (en) | 2021-09-21 |
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| CN202010073875.XA Active CN111301738B (en) | 2020-01-22 | 2020-01-22 | Equipment for filling silicone grease |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112704938A (en) * | 2020-12-17 | 2021-04-27 | 格力电器（武汉）有限公司 | Automatic silicone grease extruding device and method |
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| CN209582057U (en) * | 2018-12-18 | 2019-11-05 | 东莞爱的合成材料科技有限公司 | A kind of batching metering bottle placer of photosensitive resin |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5190191B2 (en) * | 2006-09-26 | 2013-04-24 | 高園産業株式会社 | Liquid medicine supply device |
| KR100955487B1 (en) * | 2009-09-29 | 2010-04-30 | 주식회사 대린기계 | Filling and packing apparatus for gel or liquefied type sauce |
| CN104111319A (en) * | 2014-07-29 | 2014-10-22 | 东北农业大学 | Air-guiding cylindrical vertical type device for measuring soil mineralization rate |
| CN109305648A (en) * | 2018-08-02 | 2019-02-05 | 东莞市杰振机械设备有限公司 | A kind of syringe, bottled dual-purpose tin cream bottle placer |
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