CN210079945U - Glue dispenser - Google Patents
Glue dispenser Download PDFInfo
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- CN210079945U CN210079945U CN201920311665.2U CN201920311665U CN210079945U CN 210079945 U CN210079945 U CN 210079945U CN 201920311665 U CN201920311665 U CN 201920311665U CN 210079945 U CN210079945 U CN 210079945U
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Abstract
The application discloses a dispenser, which comprises a raw material storage and supply system and a metering and mixing system; the feedstock storage and supply system comprises: the main agent storage tank comprises a first main agent storage tank and a second main agent storage tank; and the curing agent storage tank comprises a first curing agent storage tank and a second curing agent storage tank. The metering and mixing system comprises: a main agent dosing cylinder comprising a first main agent dosing cylinder; a curing agent dosing cylinder comprising a first curing agent dosing cylinder; and, a mixing tube. The main agent storage tank is connected with the main agent quantitative cylinder through a main agent feeding three-way valve; the curing agent storage tank is connected with the curing agent quantitative cylinder through a curing agent feeding three-way valve; the main agent quantitative cylinder and the curing agent quantitative cylinder are respectively connected with the mixing pipe. The glue dispenser adopts a double-group quantitative cylinder mode, and reduces equipment manufacturing and maintenance cost while realizing continuous production requirements.
Description
Technical Field
The utility model relates to a processing equipment, in particular to point gum machine.
Background
In the field of various industries of spot coating of sizing materials, a main agent and a curing agent are widely used as raw materials. In the production link, the main agent and the curing agent are uniformly mixed according to a certain proportion and then spot-coated. At present, the continuous production type double-liquid point coating operation mode generally adopts a screw type double-liquid point coating machine, and under the drive of a servo motor, a main agent and a curing agent are respectively and accurately metered and conveyed into a mixing pipe through a screw valve to be uniformly mixed, and then point coating operation is carried out. The main defects of the continuous double-liquid spot coating production by adopting the method are as follows: (1) the screw rotor and the stator are difficult to process and manufacture and basically depend on foreign import, so that the manufacturing cost of the equipment is too high; (2) in the process of quantitatively conveying the glue solution by the screw valve, the rotor and the stator are always in close friction, and when the glue solution containing powder filler particles is conveyed, the rotor and the stator are seriously abraded, the failure is fast, the service life is short, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a dispenser to overcome the defects in the prior art. The application discloses accurate biliquid point gum machine of continuous production formula adopts the mode of two quantitative jars, when realizing the continuous production demand, has reduced equipment manufacturing and maintenance cost.
In order to achieve the above purpose, the present application provides the following technical solutions:
the application discloses point gum machine, including raw materials storage and supply system and measurement and hybrid system, wherein:
the feedstock storage and supply system comprises: the main agent storage tank comprises a first main agent storage tank and a second main agent storage tank; and the curing agent storage tank comprises a first curing agent storage tank and a second curing agent storage tank. The metering and mixing system comprises: a main agent dosing cylinder comprising a first main agent dosing cylinder; a curing agent dosing cylinder comprising a first curing agent dosing cylinder; a mixing tube; and, a servo drive mechanism. The main agent storage tank is connected with the main agent quantitative cylinder through a main agent feeding three-way valve; the curing agent storage tank is connected with the curing agent quantifying cylinder through a curing agent feeding three-way valve; the main agent quantitative cylinder and the curing agent quantitative cylinder are respectively connected with the mixing pipe; the servo driving mechanism is connected with and controls the main agent quantitative cylinder and the curing agent quantitative cylinder.
Preferably, the first main agent storage tank, the second main agent storage tank and the first main agent quantitative cylinder are respectively connected with the main agent feeding three-way valve; the first curing agent storage tank, the second curing agent storage tank and the first curing agent quantitative cylinder are respectively connected with the curing agent feeding three-way valve.
Preferably, the main agent dosing cylinder further comprises a second main agent dosing cylinder; and the second main agent quantitative cylinder is connected with the main agent feeding three-way valve.
Preferably, the curing agent dosing cylinder further comprises a second curing agent dosing cylinder; and the second curing agent quantitative cylinder is connected with the curing agent feeding three-way valve.
Preferably, in the raw material storage and supply system, a pressurization inflation valve, an evacuation valve and a charging valve are respectively arranged at the top of the first main agent storage tank and the second main agent storage tank.
Preferably, the metering and mixing system further comprises: a main agent feed valve connecting the main agent storage tank and the main agent dosing cylinder; the base feed valve comprises a first base feed valve; the curing agent feeding valve is connected with the curing agent storage tank and the curing agent quantifying cylinder; the curative feed valve comprises a first curative feed valve; the main agent discharge valve is connected with the main agent quantitative cylinder and the mixing pipe; the main agent discharge valve comprises a first main agent discharge valve; the curing agent discharge valve is connected with the curing agent quantifying cylinder and the mixing pipe; the curing agent discharge valve comprises a first curing agent discharge valve.
Preferably, the main agent feed valve further comprises a second main agent feed valve; the first main agent feed valve connects the first main agent storage tank and the first main agent dosing cylinder; the second main agent feed valve is connected with the second main agent storage tank and the second main agent quantifying cylinder; the curative feed valve further comprises a second curative feed valve; the first curing agent feeding valve is connected with the first curing agent storage tank and the first curing agent quantifying cylinder; the second curing agent feeding valve is connected with the second curing agent storage tank and the second curing agent quantifying cylinder; the primary agent discharge valve further comprises a second primary agent discharge valve; the first main agent discharge valve is connected with the first main agent quantitative cylinder and the mixing pipe; the second main agent discharge valve is connected with the second main agent quantitative cylinder and the mixing pipe; the curing agent discharge valve further comprises a second curing agent discharge valve; the first curing agent discharge valve is connected with the first curing agent quantifying cylinder and the mixing pipe; the second curing agent discharge valve is connected with the second curing agent quantifying cylinder and the mixing pipe.
Preferably, the main agent supply three-way valve comprises a cylinder piston, a first valve needle and a second valve needle which are arranged oppositely on the same horizontal plane, and a first valve sealing ring and a second valve sealing ring which are respectively matched with the first valve needle and the second valve needle; wherein: the cylinder piston includes a first air chamber and a second air chamber; the distance between the first valve sealing ring and the second valve sealing ring is greater than the total length of the first valve needle and the second valve needle; when compressed gas is introduced into the first air cavity, the second air cavity exhausts to enable the first valve needle and the second valve needle to move horizontally, so that the second valve needle is matched with and seals the second valve sealing ring, and meanwhile, the first valve needle and the first valve sealing ring are separated; when compressed gas is introduced into the second air cavity, the first air cavity exhausts to enable the first valve needle and the second valve needle to move horizontally, so that the first valve needle is matched with and seals the first valve sealing ring, and meanwhile, the second valve needle is separated from the second valve sealing ring.
Preferably, the servo driving mechanism is connected with and controls the first main agent quantitative cylinder and the first curing agent quantitative cylinder; the first main agent quantitative cylinder comprises a first main agent quantitative plunger rod which is connected with the first main agent quantitative cylinder; the first curing agent quantitative cylinder comprises a first curing agent quantitative plunger rod which is connected with the first curing agent quantitative cylinder;
the servo driving mechanism drives the first main agent quantitative plunger rod and the first curing agent quantitative plunger rod to move upwards or downwards, so that the main agent and the curing agent rubber material are respectively filled into or extruded out of the first main agent quantitative cylinder and the first curing agent quantitative cylinder body.
Preferably, the servo drive mechanism includes:
the driving gear is fixedly arranged on the first cylinder driving screw rod;
the driven gear is meshed with the driving gear and fixedly arranged on a second cylinder driving lead screw;
the first linear guide rod penetrates through the first push plate;
the second screw nut and the second linear bearing are fixedly connected to the second push plate respectively;
the driving piece mounting plate is fixedly arranged at the upper end of the linear guide rod;
the motor base is fixedly connected with the driving piece mounting plate; and the combination of (a) and (b),
the servo motor is fixedly arranged on the motor base;
the servo motor drives the first cylinder to drive the screw rod and the driving gear to rotate; the first cylinder drives the screw rod to drive the first screw nut, the first push plate and the first linear bearing to slide along the first linear guide rod, so that the first push plate pushes the first main agent quantitative plunger rod and the first curing agent quantitative plunger rod to draw up and down; the driving gear pushes the driven gear to rotate to drive the second cylinder to drive the lead screw to rotate.
Compared with the prior art, the utility model has the advantages of:
the application discloses point gum machine has two sets of main agent, curing agent feed system respectively, and the incessant feed of main agent and curing agent raw materials is realized to accessible main agent feed three-way valve and curing agent feed three-way valve, and production efficiency is high. The dispensing machine disclosed by the application is provided with the metering and mixing system, so that the metering, mixing and dispensing continuous production operation of the double-liquid sizing material is realized, the metering precision is high, and the production efficiency is high. In addition, in this application, only adopt the valve needle of a cylinder piston drive left and right sides in the three-way valve, compact structure, it is with low costs.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below; it is obvious that the drawings in the following description are only some of the embodiments described in the present application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic view of a dispenser according to an embodiment of the present invention;
fig. 2 is a schematic view of a main agent supply three-way valve or a curing agent supply three-way valve of a dispenser according to an embodiment of the present invention;
FIG. 3 is a combination metering and mixing function according to one embodiment of the present invention;
FIG. 4 is a view of the combination of metering and mixing functions of FIG. 3;
FIG. 5 is yet another view of the combination of metering and mixing features of FIG. 3;
fig. 6 is a cross-sectional structural view of a set of dosing cylinders according to an embodiment of the present invention;
fig. 7 is a sectional view of another set of dosing cylinders according to an embodiment of the present invention.
The reference numbers illustrate:
1. the main agent storage tank comprises a first main agent storage tank, a second main agent storage tank, a first curing agent storage tank, a second curing agent storage tank, a main agent feeding three-way valve, a curing agent feeding three-way valve, a first main agent quantifying cylinder, a first curing agent quantifying cylinder, a second main agent quantifying cylinder, a second curing agent quantifying cylinder, a first curing agent discharging valve, a first main agent feeding valve, a first curing agent discharging valve, a second curing agent discharging valve, a mixing pipe, a servo driving mechanism, a pressurizing inflating valve, a first discharging valve, a second discharging valve, a servo driving mechanism, a pressurizing inflating valve, a second discharging valve, a first discharging valve, a second discharging valve, a main agent discharging valve, a second discharging;
5.1. the cylinder comprises a cylinder body, 5.2 cylinder piston seals, 5.3 cylinder pistons, 5.4 first valve needles, 5.5 first valve needle air seals, 5.6 first valve needle air seal guide seats, 5.7 left side seal lubricant liquid storage blocks, 5.8 first valve needle material seals, 5.9 left side valve blocks, 5.10 first valve seal rings, 5.11 left side valve inlet blocks, 5.12 first valve needle guide sleeves, 5.13 feed valve flow passage blocks, 5.14 second valve needles, 5.15 second valve needle air seals, 5.16 second valve needle air seal guide seats, 5.17 right side seal lubricant liquid storage blocks, 5.18 second valve needle material seals, 5.19 right side valve blocks, 5.20 second valve seal rings, 5.21 right side valve inlet blocks, 5.22 second valve needle guide sleeves;
20.1. the servo motor, 20.2. the motor base, 20.3. the driving piece mounting plate, 20.4. the driving gear, 20.5. the driven gear, 20.6. the first cylinder driving screw rod, 20.7. the second cylinder driving screw rod, 20.8. the first screw rod nut, 20.9. the first push plate, 20.10. the first linear bearing, 20.11. the first linear guide rod, 20.12. the guide rod mounting base, 20.13. the base plate, 20.14. the position proximity sensor, 20.15. the position proximity sensor mounting plate, 20.18. the second screw rod nut, 20.19. the second push plate, 20.20. the second linear bearing, 20.21. the second linear guide rod;
7.1. the device comprises a first main agent quantitative plunger rod, 7.2, 7.3, 7.4, 8.1, 8.2, 8.3, 8.4, 24, 25, 26, 27, main agent side heating plate and 28, curing agent side heating plate, wherein the first main agent quantitative plunger rod is fixed on the main agent side;
9.1. the second main agent quantitative plunger rod, the second main agent side lubricant rod seal, the second main agent side adhesive rod seal, the second main agent quantitative cylinder body, the second curing agent quantitative plunger rod, the second curing agent side lubricant rod seal, the second main agent quantitative cylinder body, the second curing agent quantitative plunger rod, the second curing agent side lubricant rod seal, the second curing agent side adhesive rod seal and the second curing agent quantitative cylinder body are respectively 9.2 degrees, 9.3 degrees, 10.1 degrees, 10.2 degrees, 10.4 degrees.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments, not all embodiments, in the present invention. Given the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present application. It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present application are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific configuration (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Fig. 1 shows according to the utility model discloses a point gum machine of an embodiment, including first main agent storage tank 1, second main agent storage tank 2, first curing agent storage tank 3, second curing agent storage tank 4, main agent feed three-way valve 5, curing agent feed three-way valve 6, first main agent ration jar 7, first curing agent ration jar 8, second main agent ration jar 9, second curing agent ration jar 10, first main agent charge valve 11, first curing agent charge valve 12, second main agent charge valve 13, second curing agent charge valve 14, first main agent bleeder valve 15, first curing agent bleeder valve 16, second main agent bleeder valve 17, second curing agent bleeder valve 18, mixing tube 19 and servo actuating mechanism 20 etc.. The top parts of the first main agent storage tank 1, the second main agent storage tank 2, the first curing agent storage tank 3 and the second curing agent storage tank 4 are respectively provided with a pressurization inflation valve 21, an evacuation valve 22 and a feeding valve 23 which are respectively used for inflation pressurization, pressure relief evacuation and addition of sizing materials.
With continued reference to fig. 1, the first main agent storage tank 1, the second main agent storage tank 2, the first curing agent storage tank 3, the second curing agent storage tank 4, the main agent supply three-way valve 5, the curing agent supply three-way valve 6, and the pressurization inflation valve 21, the evacuation valve 22, and the feeding valve 23, which are arranged at the top of each storage tank, constitute a raw rubber material storage and supply system. When the first main agent storage tank 1 supplies materials, the main agent supply three-way valve 5 is switched to a position where a supply flow passage of the first main agent storage tank 1 is communicated and a supply flow passage of the second main agent storage tank 2 is cut off, compressed gas is introduced into the first main agent storage tank 1, and the main agent materials in the first main agent storage tank 1 flow to a downstream metering and mixing system under the action of the compressed gas. When the main agent in the first main agent storage tank 1 is consumed to a low liquid level, the main agent feeding three-way valve 5 is switched to a position for cutting off the feeding flow passage of the first main agent storage tank 1 and communicating the feeding flow passage of the second main agent storage tank 2, compressed gas is introduced into the second main agent storage tank 2, and the second main agent storage tank 2 feeds a downstream metering and mixing system. At this time, the first main agent storage tank 1 stops introducing the compressed gas and is emptied, and the charging operation is carried out. When the main agent in the second main agent storage tank 2 is consumed to a low liquid level, the supply is switched to the first main agent storage tank 1, and the continuous circulation switching is carried out, so that the continuous and uninterrupted supply of the supply system is realized. The working principle of the curing agent sizing material feeding is the same as that of the main agent sizing material feeding.
The raw material storage and supply system that constitutes such as pressurization gas charging valve 21, exhaust-valve 22 and charge valve 23 that all is equipped with by first main agent storage tank 1, second main agent storage tank 2, first curing agent storage tank 3, second curing agent storage tank 4, main agent feed three-way valve 5, curing agent feed three-way valve 6 and each storage tank top in this application realizes the incessant feed of main agent and curing agent raw materials, and production efficiency is high.
According to the metering and mixing system composed of the first main agent dosing cylinder 7, the first curing agent dosing cylinder 8, the second main agent dosing cylinder 9, the second curing agent dosing cylinder 10, the first main agent feed valve 11, the first curing agent feed valve 12, the second main agent feed valve 13, the second curing agent feed valve 14, the first main agent discharge valve 15, the first curing agent discharge valve 16, the second main agent discharge valve 17, the second curing agent discharge valve 18, the mixing pipe 19, the servo driving mechanism 20 and the like in the embodiment of the application, the continuous production operation of metering, mixing and spot coating of the double-liquid rubber material is realized, the metering precision is high, and the production efficiency is high.
The first main agent quantitative cylinder 7, the first curing agent quantitative cylinder 8, the second main agent quantitative cylinder 9, the second curing agent quantitative cylinder 10, the first main agent feed valve 11, the first curing agent feed valve 12, the second main agent feed valve 13, the second curing agent feed valve 14, the first main agent discharge valve 15, the first curing agent discharge valve 16, the second main agent discharge valve 17, the second curing agent discharge valve 18, the mixing pipe 19, the servo drive mechanism 20 and the like form a metering and mixing system. When the first quantitative cylinder cavity is filled, the first main agent feeding valve 11 and the first curing agent feeding valve 12 are opened, the first main agent discharging valve 15 and the first curing agent discharging valve 16 are closed, the servo driving mechanism 20 drives the first main agent quantitative plunger rod 7.1 and the first curing agent quantitative plunger rod 8.1 to be pulled upwards, and the main agent and the curing agent from the upstream raw rubber material storage and supply system are respectively filled into the first main agent quantitative cylinder 7.4 and the first curing agent quantitative cylinder 8.4. In synchronization with the above, the second main agent feeding valve 13 and the second curing agent feeding valve 14 are closed, the second main agent discharging valve 17 and the second curing agent discharging valve 18 are opened, the servo driving mechanism 20 drives the second main agent quantitative plunger rod 9.1 and the second curing agent quantitative plunger rod 10.1 to be pressed downwards, so that the main agent and the curing agent are quantitatively extruded from the cavities of the second main agent quantitative cylinder 9.4 and the second curing agent quantitative cylinder 10.4, and enter the mixing pipe 19 to be uniformly mixed, and then the product is spot-coated. When the second main agent quantitative plunger rod 9.1 and the second curing agent quantitative plunger rod 10.1 are pressed downwards to the lower limit, the first main agent quantitative plunger rod 7.1 and the first curing agent quantitative plunger rod 8.1 are synchronously pulled upwards to the upper limit, the main agent and the curing agent are filled in the inner cavities of the first main agent quantitative cylinder 7.4 and the first curing agent quantitative cylinder 8.4, the first main agent feeding valve 11 and the first curing agent feeding valve 12 are stopped, the first main agent discharging valve 15 and the first curing agent discharging valve 16 are opened, the servo driving mechanism 20 drives the first main agent quantitative plunger rod 7.1 and the first curing agent quantitative plunger rod 8.1 to be pressed upwards, the first quantitative cylinder is switched to a quantitative feeding operation state from a storage operation state, the main agent and the curing agent are quantitatively extruded from the cavities of the first main agent quantitative cylinder 7.4 and the second curing agent quantitative cylinder 8.4, and enter the mixing pipe 19 to be uniformly mixed, and then the product point coating operation is carried out. Meanwhile, the second dosing is in a storage operation state, the second main agent feeding valve 13 and the second curing agent feeding valve 14 are opened, the second main agent discharging valve 17 and the second curing agent discharging valve 18 are closed, the servo driving mechanism 20 drives the second main agent dosing plunger rod 9.1 and the second curing agent dosing plunger rod 10.1 to be pulled upwards, and the main agent and the curing agent are filled. Therefore, the first quantitative cylinder and the second quantitative cylinder continuously and circularly store and quantitatively feed materials in a mutually switching manner, and the continuous production operation of metering, mixing and point coating of the double-liquid rubber material is realized.
Referring to fig. 2, according to an embodiment of the present application, a main agent feed three-way valve 5 is used for feed switching of the first main agent tank 1 and the second main agent tank 2, and is mainly composed of a cylinder block 5.1, a cylinder piston seal 5.2, a cylinder piston 5.3, a first needle 5.4 (i.e., a left needle in fig. 1), a first needle air seal 5.5, a first air seal guide seat 5.6, a left seal lubricant reservoir block 5.7, a first needle material seal 5.8, a left valve block 5.9, a first valve seal ring 5.10, a left valve feed block 5.11, a first needle guide sleeve 5.12, a feed valve flow passage block 5.13, a second valve needle 5.14, a second valve needle air seal 5.15, a second valve needle air seal guide seat 5.16, a right seal lubricant reservoir block 5.17, a second valve material seal 5.18, a right valve block 5.19, a second valve seal ring 5.20, a right valve feed block 5.21, a second valve needle guide block 22, and the like. When the first main agent storage tank 1 supplies materials, compressed air is introduced into the right side of the air cylinder piston 5.3, air is exhausted from the left side, under the action of air pressure, the air cylinder piston 5.3 drives the first valve needle 5.4 and the second valve needle 5.14 to move leftwards, the needle tip conical surface of the first valve needle 5.4 compresses the conical surface of the first valve sealing ring 5.10, and a flow channel for supplying materials of the second main agent storage tank 2 is cut off; meanwhile, the needle tip of the second valve needle 5.14 is separated from the conical surface of the second valve sealing ring 5.20, and a feeding flow passage of the first main agent storage tank 1 is communicated; when the glue in the first main agent storage tank 1 is at a low liquid level and needs to be supplied by the second main agent storage tank 2, compressed air is introduced to the left side of the cylinder piston 5.3, air is exhausted from the right side, the cylinder piston 5.3 drives the first valve needle 5.4 and the second valve needle 5.14 to move rightwards, a supply flow channel of the first main agent storage tank 1 is closed, and a flow channel for supplying the second main agent storage tank 2 is communicated. According to one embodiment of the present application, a curing agent supply three-way valve 6 is used for switching the supply of the first curing agent tank 3 and the second curing agent tank 4 in the same manner as the main agent supply three-way valve 5.
According to the embodiment of the application, the feeding three-way valve is composed of a cylinder body, a cylinder piston seal, a cylinder piston, a first valve needle air seal guide seat, a left side seal lubricant storage block, a first valve needle material seal, a left side valve block, a first valve seal ring, a left side valve feeding block, a first valve needle guide sleeve, a feeding valve flow channel block, a second valve needle air seal guide seat, a right side seal lubricant storage block, a second valve needle material seal, a right side valve block, a second valve seal ring, a right side valve feeding block, a second valve needle guide sleeve and the like, the valve needles on the left side and the valve needles on the right side are driven by one cylinder piston, the structure is compact, and the. The left and right sides sealed lubricant liquid storage block cavities store sealed lubricant, and the service life of the left and right sides valve needle material seal is prolonged. The left and right sides valve needle guide sleeve's setting guarantees the concentricity of left second valve needle sealing cylinder face and each movable sealing spare, has guaranteed the reliability of sealed and the life of sealing member, and has protected left second valve needle sealing cylinder face not take place the friction and damage with each block metal hole surface.
Fig. 3-5 show a precision metering and mixing function assembly according to an embodiment of the present application, wherein the servo driving mechanism 20 is mainly composed of a servo motor 20.1, a motor base 20.2, a driving member mounting plate 20.3, a driving gear 20.4, a driven gear 20.5, a first cylinder driving screw 20.6, a second cylinder driving screw 20.7, a first screw nut 20.8, a first push plate 20.9, a first linear bearing 20.10, a first linear guide 20.11, a guide mounting plate 20.12, a base plate 20.13, a second screw nut 20.18, a second push plate 20.19, a second linear bearing 20.20, a second linear guide 20.21, and the like. The driving gear 20.4 is fixedly arranged on the first cylinder driving screw rod 20.6; the driven gear 20.5 is fixedly mounted on the second cylinder drive screw 20.7. The first lead screw nut 20.8 and the first linear bearing 20.10 are fixedly connected with the first push plate 20.9 and can slide up and down along the first linear guide rod 20.11; the second lead screw nut 20.18 and the second linear bearing 20.20 are fixedly connected with the second push plate 20.19 and can slide up and down along the second linear guide rod 20.21. The driving piece mounting plate 20.3 is fixedly mounted at the upper end of the linear guide rod 20.11, the motor base 20.2 is fixedly connected with the driving piece mounting plate 20.3, and the servo motor 20.1 is fixedly mounted on the motor base 20.2. The servo motor 20.1 drives the first cylinder to drive the screw rod 20.6 and the driving gear 20.4 to rotate, the first cylinder drives the screw rod 20.6 to drive the first screw nut 20.8, the first push plate 20.9 and the first linear bearing 20.10 to slide up and down along the first linear guide rod 20.11, and then the first push plate 20.9 pushes the first main agent quantitative plunger rod 7.1 and the first curing agent quantitative plunger rod 8.1 to twitch up and down; meanwhile, the driven gear 20.5 meshed with the driving gear 20.4 is driven by the driving gear 20.4 to rotate in a direction opposite to that of the driving gear 20.4, so that the second cylinder is driven to drive the lead screw 20.7 to rotate, and the second main agent quantitative plunger rod 9.1 and the second curing agent quantitative plunger rod 10.1 are driven to twitch in a direction opposite to that of the first main agent quantitative plunger rod 7.1 and the first curing agent quantitative plunger rod 8.1.
According to the embodiment shown in fig. 3, the first main agent dosing cylinder 7, the first curing agent dosing cylinder 8, the second main agent dosing cylinder 9 and the second curing agent dosing cylinder 10 form a group of compact components, and the compact components are attached to the upper surface of the combined runner block 26; the first main agent discharge valve 15, the first curing agent discharge valve 16, the second main agent discharge valve 17 and the second curing agent discharge valve 18 form a group of compact components, and the compact components are attached to the front of the combined runner block 26; the first main agent feed valve 11 and the second main agent feed valve 13 form a group of compact components, and are attached to the side surface of the main agent side of the combined runner block 26; the first curing agent feed valve 12 and the second curing agent feed valve 14 form a set of compact components, and are attached to the curing agent side surface of the combined runner block 26.
Fig. 6 shows a first dosing cylinder cross-sectional block diagram according to an embodiment of the invention. The servo motor 20.1 drives the first main agent quantitative plunger rod 7.1 and the first curing agent quantitative plunger rod 8.1 to move upwards, the main agent rubber and the curing agent rubber are respectively filled into the cavities of the first main agent quantitative cylinder 7.4 and the first curing agent quantitative cylinder 8.4, the servo motor 20.1 drives the first main agent quantitative plunger rod 7.1 and the first curing agent quantitative plunger rod 8.1 to press downwards, and the main agent rubber and the curing agent rubber are quantitatively and synchronously extruded out of the cavities of the first main agent quantitative cylinder 7.4 and the first curing agent quantitative cylinder 8.4 respectively. The ratio of the main agent to the curing agent is determined by the diameter ratio of the first main agent quantitative plunger rod 7.1 to the first curing agent quantitative plunger rod 8.1, and the glue amount is determined by the pressing stroke of the first main agent quantitative plunger rod 7.1 and the first curing agent quantitative plunger rod 8.1.
According to the servo driving mechanism 20 composed of the servo motor 20.1, the motor base 20.2, the driving piece mounting plate 20.3, the driving gear 20.4, the driven gear 20.5, the first cylinder driving screw rod 20.6, the second cylinder driving screw rod 20.7, the first screw rod nut 20.8, the first push plate 20.9, the first linear bearing 20.10, the first linear guide rod 20.11, the guide rod mounting base 20.12, the base plate 20.13, the second screw rod nut 20.18, the second push plate 20.19, the second linear bearing 20.20, the second linear guide rod 20.21 and the like in one embodiment of the application, the first metering cylinder and the second metering cylinder can be stored and metered continuously and mutually switched by the single servo motor 20.1, the production efficiency is high, and the cost is low.
According to one embodiment of the application, the first main agent quantifying cylinder 7, the first curing agent quantifying cylinder 8, the second main agent quantifying cylinder 9 and the second curing agent quantifying cylinder 10 form a group of compact components which are attached and installed on the combined runner block 26; the first main agent discharge valve 15, the first curing agent discharge valve 16, the second main agent discharge valve 17 and the second curing agent discharge valve 18 form a group of compact components, and the compact components are attached to the front of the combined runner block 26; the first main agent feed valve 11 and the second main agent feed valve 13 form a group of compact components, and are attached to the side surface of the main agent side of the combined runner block 26; the first curing agent feeding valve 12 and the second curing agent feeding valve 14 form a group of compact components, and the compact components are attached to the side surface of the curing agent side of the combined runner block 26, so that the structure is compact, and the occupied space is small.
Fig. 7 shows a cross-sectional view of a second dosing cylinder according to an embodiment of the invention; the second fixed-amount cylinder section structure is the same as the first fixed-amount cylinder section structure. The first main agent quantitative cylinder 7.4, the first curing agent quantitative cylinder 8.4, the second main agent quantitative cylinder 9.4 and the second curing agent quantitative cylinder 10.4 are all embedded in the cylinder base 25, and form a group of compact quantitative cylinder components together with the sealed lubricant liquid storage base 24, the first main agent quantitative plunger rod 7.1, the first curing agent quantitative plunger rod 8.1, the second main agent quantitative plunger rod 9.1, the second curing agent quantitative plunger rod 10.1, the main agent side heating plate 27, the curing agent side heating plate 28 and all sealing elements. The sealed lubricant liquid storage seat 24 is arranged on the cylinder body seat 25, and sealed lubricant is stored in an inner cavity of the sealed lubricant liquid storage seat 24 so as to prolong the service life of the glue rod seal (7.3, 8.3, 9.3 and 10.3) of the quantitative plunger rod. A dosing plunger rod lubricant rod seal (7.2, 8.2, 9.2, 10.2) for sealing lubricant from being carried out of the chamber when the dosing plunger rod (7.1, 8.1, 9.1, 10.1) is drawn up and down.
In the application, a first main agent quantitative cylinder 7.4, a first curing agent quantitative cylinder 8.4, a second main agent quantitative cylinder 9.4 and a second curing agent quantitative cylinder 10.4 are all embedded in a cylinder seat 25, and form a group of compact quantitative cylinder components with a sealed lubricant liquid storage seat 24, a first main agent quantitative plunger rod 7.1, a first curing agent quantitative plunger rod 8.1, a second main agent quantitative plunger rod 9.1, a second curing agent quantitative plunger rod 10.1, a main agent side heating plate 27, a curing agent side heating plate 28 and sealing elements, and the structure is compact. The sealing lubricant is stored in the inner cavity of the sealing lubricant storage seat 24, so that the service life of the rubber rod seal (7.3, 8.3, 9.3 and 10.3) of the quantitative plunger rod is prolonged.
In addition, the vulnerable sealing element in the application comprises a quantitative plunger rod and rubber rod seal (7.3, 8.3, 9.3 and 10.3) in a quantitative cylinder assembly, a left second valve needle material seal of a feeding three-way valve and a left second valve sealing ring of the feeding three-way valve, and the vulnerable sealing element and the feeding three-way valve are both economical and durable shaft sealing elements, and have long service life and low replacement and maintenance cost under the lubricating action of a sealing lubricant.
Claims (10)
1. A dispenser, comprising a raw material storage and supply system and a metering and mixing system, wherein:
the feedstock storage and supply system comprises:
the main agent storage tank comprises a first main agent storage tank and a second main agent storage tank; and the combination of (a) and (b),
the curing agent storage tank comprises a first curing agent storage tank and a second curing agent storage tank;
the metering and mixing system comprises:
a main agent dosing cylinder comprising a first main agent dosing cylinder;
a curing agent dosing cylinder comprising a first curing agent dosing cylinder;
a mixing tube; and the combination of (a) and (b),
a servo drive mechanism;
wherein the content of the first and second substances,
the main agent storage tank is connected with the main agent quantitative cylinder through a main agent feeding three-way valve; the curing agent storage tank is connected with the curing agent quantifying cylinder through a curing agent feeding three-way valve;
the main agent quantitative cylinder and the curing agent quantitative cylinder are respectively connected with the mixing pipe;
the servo driving mechanism is connected with and controls the main agent quantitative cylinder and the curing agent quantitative cylinder.
2. The dispenser according to claim 1, wherein said first main agent storage tank, said second main agent storage tank, said first main agent dosing cylinder are connected to said main agent feed three-way valve, respectively;
the first curing agent storage tank, the second curing agent storage tank and the first curing agent quantitative cylinder are respectively connected with the curing agent feeding three-way valve.
3. The dispenser of claim 2, wherein said main dose dosing cylinder further comprises a second main dose dosing cylinder; and the second main agent quantitative cylinder is connected with the main agent feeding three-way valve.
4. The dispensing machine of claim 3, wherein the curing agent dosing cylinder further comprises a second curing agent dosing cylinder; and the second curing agent quantitative cylinder is connected with the curing agent feeding three-way valve.
5. The dispenser according to claim 1, wherein said stock storage and supply system is provided with a pressurization gas charging valve, an evacuation valve and a charging valve at the top of said first main agent tank and said second main agent tank, respectively.
6. The dispenser according to claim 4, wherein said metering and mixing system further comprises:
a main agent feed valve connecting the main agent storage tank and the main agent dosing cylinder; the base feed valve comprises a first base feed valve;
the curing agent feeding valve is connected with the curing agent storage tank and the curing agent quantifying cylinder; the curative feed valve comprises a first curative feed valve;
the main agent discharge valve is connected with the main agent quantitative cylinder and the mixing pipe; the main agent discharge valve comprises a first main agent discharge valve;
the curing agent discharge valve is connected with the curing agent quantifying cylinder and the mixing pipe; the curing agent discharge valve comprises a first curing agent discharge valve.
7. The dispenser according to claim 6,
the base feed valve further comprises a second base feed valve; the first main agent feed valve connects the first main agent storage tank and the first main agent dosing cylinder; the second main agent feed valve is connected with the second main agent storage tank and the second main agent quantifying cylinder;
the curative feed valve further comprises a second curative feed valve; the first curing agent feeding valve is connected with the first curing agent storage tank and the first curing agent quantifying cylinder; the second curing agent feeding valve is connected with the second curing agent storage tank and the second curing agent quantifying cylinder;
the primary agent discharge valve further comprises a second primary agent discharge valve; the first main agent discharge valve is connected with the first main agent quantitative cylinder and the mixing pipe; the second main agent discharge valve is connected with the second main agent quantitative cylinder and the mixing pipe;
the curing agent discharge valve further comprises a second curing agent discharge valve; the first curing agent discharge valve is connected with the first curing agent quantifying cylinder and the mixing pipe; the second curing agent discharge valve is connected with the second curing agent quantifying cylinder and the mixing pipe.
8. The dispenser according to claim 1, wherein said main agent supply three-way valve comprises a cylinder piston, a first valve needle and a second valve needle arranged oppositely on the same horizontal plane, and a first valve sealing ring and a second valve sealing ring respectively engaged with said first valve needle and said second valve needle; wherein:
the cylinder piston includes a first air chamber and a second air chamber;
the distance between the first valve sealing ring and the second valve sealing ring is greater than the total length of the first valve needle and the second valve needle;
when compressed gas is introduced into the first air cavity, the second air cavity exhausts to enable the first valve needle and the second valve needle to move horizontally, so that the second valve needle is matched with and seals the second valve sealing ring, and meanwhile, the first valve needle and the first valve sealing ring are separated;
when compressed gas is introduced into the second air cavity, the first air cavity exhausts to enable the first valve needle and the second valve needle to move horizontally, so that the first valve needle is matched with and seals the first valve sealing ring, and meanwhile, the second valve needle is separated from the second valve sealing ring.
9. The dispensing machine according to claim 1, wherein the servo drive mechanism connects and controls the first main agent dosing cylinder and the first curing agent dosing cylinder; the first main agent quantitative cylinder comprises a first main agent quantitative plunger rod which is connected with the first main agent quantitative cylinder; the first curing agent quantitative cylinder comprises a first curing agent quantitative plunger rod which is connected with the first curing agent quantitative cylinder;
the servo driving mechanism drives the first main agent quantitative plunger rod and the first curing agent quantitative plunger rod to move upwards or downwards, so that the main agent and the curing agent rubber material are respectively filled into or extruded out of the first main agent quantitative cylinder and the first curing agent quantitative cylinder.
10. The dispenser of claim 9, wherein the servo drive mechanism comprises:
the driving gear is fixedly arranged on the first cylinder driving screw rod;
the driven gear is meshed with the driving gear and fixedly arranged on a second cylinder driving lead screw;
the first linear guide rod penetrates through the first push plate;
the second screw nut and the second linear bearing are fixedly connected to the second push plate respectively;
the driving piece mounting plate is fixedly arranged at the upper end of the linear guide rod;
the motor base is fixedly connected with the driving piece mounting plate; and the combination of (a) and (b),
the servo motor is fixedly arranged on the motor base;
the servo motor drives the first cylinder to drive the screw rod and the driving gear to rotate; the first cylinder drives the screw rod to drive the first screw nut, the first push plate and the first linear bearing to slide along the first linear guide rod, so that the first push plate pushes the first main agent quantitative plunger rod and the first curing agent quantitative plunger rod to draw up and down; the driving gear pushes the driven gear to rotate to drive the second cylinder to drive the lead screw to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920311665.2U CN210079945U (en) | 2019-03-13 | 2019-03-13 | Glue dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920311665.2U CN210079945U (en) | 2019-03-13 | 2019-03-13 | Glue dispenser |
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| Publication Number | Publication Date |
|---|---|
| CN210079945U true CN210079945U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920311665.2U Active CN210079945U (en) | 2019-03-13 | 2019-03-13 | Glue dispenser |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985773A (en) * | 2019-03-13 | 2019-07-09 | 厦门盈硕科智能装备有限公司 | Dispenser |
| CN113926657A (en) * | 2020-07-14 | 2022-01-14 | 中国石油天然气股份有限公司 | Liquid injection valve and glue injection device |
-
2019
- 2019-03-13 CN CN201920311665.2U patent/CN210079945U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109985773A (en) * | 2019-03-13 | 2019-07-09 | 厦门盈硕科智能装备有限公司 | Dispenser |
| CN113926657A (en) * | 2020-07-14 | 2022-01-14 | 中国石油天然气股份有限公司 | Liquid injection valve and glue injection device |
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