CN215359724U - Liquid silica gel servo injection device - Google Patents
Liquid silica gel servo injection device Download PDFInfo
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- CN215359724U CN215359724U CN202121833018.1U CN202121833018U CN215359724U CN 215359724 U CN215359724 U CN 215359724U CN 202121833018 U CN202121833018 U CN 202121833018U CN 215359724 U CN215359724 U CN 215359724U
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- push rod
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- support frame
- silica gel
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Abstract
The utility model relates to a liquid silica gel servo injection device which comprises a support frame with a hollow structure, wherein a servo electric cylinder is fixedly connected to the top of the support frame, a telescopic rod of the servo electric cylinder is arranged in the vertical direction, a push rod is fixedly connected to the end portion of the telescopic rod, the push rod and the telescopic rod are coaxially arranged, a sizing material storage block is fixedly connected to the bottom of the support frame, a main channel which is vertically arranged is formed in the sizing material storage block, the end portion of the push rod extends into the main channel, the push rod is connected with the main channel in a sliding mode, the bottom end of the main channel is communicated with a mold, a first electromagnetic valve is installed on a pipeline between the main channel and the mold, a first auxiliary channel is formed in the sizing material storage block, one end of the first auxiliary channel is communicated with the main channel, the other end of the first auxiliary channel is connected with a feeding device, and a second electromagnetic valve is installed on a pipeline between the first auxiliary channel and the feeding device. The utility model solves the problems that the raw material waste is serious, and quantitative and precise injection cannot be realized when a silica gel injection molding machine is used for molding trace products.
Description
Technical Field
The utility model belongs to the technical field of silica gel injection molding, and particularly relates to a liquid silica gel servo injection device.
Background
The liquid silica gel is also called liquid silica gel, is liquid gel, and has the characteristics of good fluidity, quick vulcanization, safety and environmental protection. In the silica gel compression molding industry, a liquid silica gel injection machine is generally adopted to directly inject silica gel into a mold for cooling molding, and the existing liquid silica gel injection molding machine adopts screw injection, so that on one hand, a screw with the diameter smaller than 14 mm is difficult to process due to the influence of the processing level of the screw machine and the strength of the screw, and on the other hand, if a trace product is molded by using the screw, the problems of serious raw material waste, incapability of quantitative precise injection and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid silicone servo injection device, which solves the problems that the prior liquid silicone injection molding machine has serious raw material waste and can not perform quantitative and precise injection when molding trace products.
In order to solve the problems, the utility model adopts the technical scheme that:
a liquid silica gel servo injection device comprises a support frame, wherein the support frame is of a hollow structure, a servo electric cylinder is fixedly connected to the top of the support frame, a telescopic rod of the servo electric cylinder is arranged in the vertical direction, a push rod is fixedly connected to the end portion of the telescopic rod, the push rod and the telescopic rod are coaxially arranged, a rubber material storage block is fixedly connected to the bottom of the support frame, a vertically arranged main channel is formed in the rubber material storage block, the end portion of the push rod extends into the main channel, the push rod is slidably connected with the main channel, the outer surface of the push rod is attached to the main channel, a first pipeline is connected between the bottom end of the main channel and a pouring gate of a mold, a first electromagnetic valve is installed on the first pipeline, a first auxiliary channel is formed in the rubber material storage block, one end of the first auxiliary channel is communicated with the main channel, the other end of the first auxiliary channel is connected with a feeding device, and a second pipeline is connected between the first auxiliary channel and the feeding device, the second pipeline is provided with a second electromagnetic valve.
Furthermore, the outer surface of the telescopic rod is attached to the inner wall surface of the support frame.
Furthermore, a second auxiliary channel is further formed in the rubber material storage block, one end of the second auxiliary channel is communicated with the main channel, and the other end of the second auxiliary channel is connected with a pressure sensor.
Furthermore, a sealing ring is installed at one end of the push rod extending into the main channel.
By adopting the technical scheme, the utility model has the beneficial effects that:
according to the utility model, the servo electric cylinder is adopted to realize the injection operation of the liquid silica gel, and the servo electric cylinder can accurately control the feeding stroke each time, so that the pushing amount of the push rod each time is the same, and the same silica gel amount each time is ensured, thereby realizing quantitative and precise injection of the silica gel and reducing the waste of raw materials. The pressure sensor is arranged at the second auxiliary channel of the rubber material storage block, the pressure sensor can monitor the pressure of the silica gel raw material in the main pipeline of the rubber material storage block, and the pressure sensor is arranged to ensure that the quantity of the silica gel conveyed into the main pipeline through the feeding device is the same each time, so that the phenomenon of excessive silica gel injection or gel shortage is avoided, and the yield is improved; the servo electric cylinder, the first electromagnetic valve and the second electromagnetic valve are controlled to work by the controller, so that the automation of liquid silica gel injection is realized, and the efficiency is improved; the sealing ring installed at one end of the push rod extending into the main channel can ensure the sealing property between the main channel and the push rod, thereby ensuring that the push rod cannot leak glue when being pushed along the main channel.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a liquid silicone servo injection device, which comprises a support frame 1, wherein the support frame 1 is of a hollow structure, a servo electric cylinder 2 is fixedly connected to the top of the support frame 1, a telescopic rod 3 of the servo electric cylinder 2 is arranged in the vertical direction, a push rod 4 is fixedly connected to the end portion of the telescopic rod 3, the push rod 4 and the telescopic rod 3 are coaxially arranged, a glue storage block 5 is fixedly connected to the bottom of the support frame 1, a vertically arranged main channel 6 is formed in the glue storage block 5, the end portion of the push rod 4 extends into the main channel 6, the push rod 4 is slidably connected with the main channel 6, and the outer surface of the push rod 4 is attached to the main channel 6. A first pipeline 15 is connected between the bottom end of the main channel 6 and a pouring gate of the mold 7, a first electromagnetic valve 8 is installed on the first pipeline 15, and the first electromagnetic valve 8 is electrically connected with a controller. First solenoid valve 8 is used for controlling the open-close state between mould 7 and sizing material storage block 5, and first solenoid valve 8 is in the normally closed state, and when servo electric cylinder 2 work drove push rod 4 and slide along main entrance 6 and inject liquid silica gel into mould 7, controller control first solenoid valve 8 opened. The rubber material storage block 5 is provided with a first auxiliary channel 9, one end of the first auxiliary channel 9 is communicated with the main channel 6, the other end of the first auxiliary channel 9 is connected with a feeding device 10, a second pipeline 16 is connected between the first auxiliary channel 9 and the feeding device 10, a second electromagnetic valve 11 is mounted on the second pipeline 16, and the second electromagnetic valve 11 is electrically connected with the controller. The second electromagnetic valve 11 is used for controlling the opening and closing state between the feeding device 10 and the rubber material storage block 5, when liquid silica gel is added into the rubber material storage block 5, the controller controls the second electromagnetic valve 11 to be opened, and when the feeding is finished, the controller controls the second electromagnetic valve 11 to be closed. The main channel 6 is used for storing liquid silica gel, and the main channel 6 can be designed into different diameters according to actual requirements, so that the injection of trace products in different degrees can be met, and the diameter of the push rod 4 is slightly smaller than that of the main channel 6. The servo electric cylinder 2 can accurately control the feeding stroke at each time, so that the pushing amount of the push rod 4 is the same at each time, the quantity of silica gel injected at each time is ensured to be the same, and quantitative and precise injection of the silica gel is realized.
Furthermore, the outer surface of the telescopic rod 3 is attached to the inner wall surface of the support frame 1. Through the arrangement, when the telescopic rod 3 drives the push rod 4 to slide along the main channel 6, the push rod 4 cannot generate deviation.
Furthermore, a second auxiliary channel 12 is further formed in the sizing material storage block 5, one end of the second auxiliary channel 12 is communicated with the main channel 6, and the other end of the second auxiliary channel 12 is connected with a pressure sensor 13. Pressure sensor 13 is used for the pressure of the interior silica gel raw materials of main entrance 6 in the control sizing material memory block 5, when having stored silica gel in main entrance 6, pressure sensor 13 just corresponding corresponds a pressure value, and for guaranteeing that the volume of silica gel of carrying in to main entrance 6 through material feeding unit 10 at every turn is all the same, only need make the pressure value that corresponds when storing silica gel at every turn unanimous with the pressure value that pressure sensor 13 set for can.
Further, a sealing ring 14 is arranged at one end of the push rod 4 extending into the main channel 6. The sealing ring 14 arranged at one end of the push rod 4 extending into the main channel 6 can ensure the sealing performance between the main channel 6 and the push rod 4, thereby ensuring that the push rod 4 cannot leak glue when being pushed along the main channel 6.
The working process is as follows: the main channel 6 is designed to have different diameters according to actual requirements, and the diameter of the main channel 6 can be reduced to 10 mm or even smaller for realizing precise injection of trace liquid silica gel products. When the device is used, the controller firstly opens the second electromagnetic valve 11, liquid silica gel is added into the sizing material storage block 5 through the feeding device 10, and when the pressure value corresponding to the storage capacity of the liquid silica gel in the main channel 6 is consistent with the pressure value set by the pressure sensor 13, the second electromagnetic valve 11 is closed to finish feeding; secondly the controller control servo electric jar 2 work, the telescopic link 3 extension of servo electric jar 2, the telescopic link 3 extension and then drive push rod 4 and slide along main entrance 6, first solenoid valve 8 opens to inject the silica gel in the main entrance 6 into mould 7. After the silica gel injection is completed, the telescopic rod 3 of the servo electric cylinder 2 is shortened, meanwhile, the controller controls the second electromagnetic valve 11 to be opened, the feeding device 10 continues to feed materials into the rubber material storage block 5, and the telescopic rod 3 finally drives the push rod 4 to slide along the main channel 6 to reset for the next cycle, so that accurate automatic injection of trace silica gel products is realized.
The controller can adopt a ControlLogix5000 PLC controller of the AB company, and the servo electric cylinder 2 is prior art and is not described in detail. The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be covered by the appended claims. The scope of the utility model is defined by the appended claims and equivalents.
Claims (4)
1. The utility model provides a servo injection device of liquid silica gel which characterized in that: the utility model discloses a support frame, the support frame is hollow structure, the servo electric jar of support frame top fixedly connected with, the telescopic link of servo electric jar sets up along vertical direction, the tip fixedly connected with push rod of telescopic link, push rod and the coaxial setting of telescopic link, support frame bottom fixedly connected with sizing material storage block, set up the main entrance of vertical setting in the sizing material storage block, the tip of push rod stretches into in the main entrance, push rod and main entrance sliding connection, the push rod surface laminates with the main entrance mutually, be connected with first pipeline between the bottom of main entrance and the sprue gate of mould, install first solenoid valve on the first pipeline, first accessory channel has been seted up on the sizing material storage block, the one end and the main entrance of first accessory channel are linked together, the other end of first accessory channel is connected with material feeding unit, be connected with the second pipeline between first accessory channel and the material feeding unit, install the second solenoid valve on the second pipeline.
2. The servo liquid silicone injection device according to claim 1, wherein: the outer surface of the telescopic rod is attached to the inner wall surface of the support frame.
3. The servo liquid silicone injection device according to claim 1, wherein: and a second auxiliary channel is also formed in the rubber material storage block, one end of the second auxiliary channel is communicated with the main channel, and the other end of the second auxiliary channel is connected with a pressure sensor.
4. The servo liquid silicone injection device according to claim 1, wherein: and a sealing ring is arranged at one end of the push rod extending into the main channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121833018.1U CN215359724U (en) | 2021-08-06 | 2021-08-06 | Liquid silica gel servo injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121833018.1U CN215359724U (en) | 2021-08-06 | 2021-08-06 | Liquid silica gel servo injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215359724U true CN215359724U (en) | 2021-12-31 |
Family
ID=79616269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121833018.1U Active CN215359724U (en) | 2021-08-06 | 2021-08-06 | Liquid silica gel servo injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215359724U (en) |
-
2021
- 2021-08-06 CN CN202121833018.1U patent/CN215359724U/en active Active
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