Heating type double-component screw valve
Technical Field
The utility model relates to an equipment technical field is glued to the point, concretely relates to add hot type two ingredient screw-down valves.
Background
The dispensing machine is also called a glue spreader, and is an automatic machine for spreading fluid glue solution on the surface of a specified product, a dispensing valve is a key component for accurately distributing the glue solution and other fluids in the dispensing process of the dispensing machine, a screw valve is a commonly used dispensing valve, the screw valve drives a screw to rotate through the rotation of a motor to convey the fluid with higher viscosity to the surface of a workpiece, and the screw valve has the advantages of stable structure and simple operation relative to other valve bodies, but the existing screw valve structure cannot well control the temperature of the glue solution, so that the glue quality is poor, and the use requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an add hot type two ingredient screw-down valves, control glue solution temperature that can be accurate does benefit to and improves out the gluey quality.
In order to solve the technical problem, the utility model provides a technical scheme as follows:
a heating type two-component screw valve comprises a base, a first valve body and a second valve body are connected on the base, the first valve body and the second valve body both adopt screw valve bodies, the screw valve bodies are internally provided with rubber groove runners, the screw valve bodies are all provided with glue inlets, the glue inlet on the first valve body is communicated with the first heating cylinder, the glue inlet on the second valve body is communicated with the second heating cylinder, the bottom of the base is also connected with a mixing pipe, the glue groove flow channel in the first valve body and the glue groove flow channel in the second valve body are both communicated with the mixing pipe, the first valve body, the second valve body, the mixing pipe, the first heating cylinder and the second heating cylinder are all provided with integrated heaters, the integrated heater comprises a heating element and a temperature sensor, and the temperature sensor is electrically connected with a temperature controller.
In one of them embodiment, the screw valve body includes the pivot, the pivot is located the inside of screw valve body, the one end and the driving motor of pivot are connected, and the other end is connected with the screw rod, the outside cover of screw rod is equipped with the stator, the inside helicla flute that is provided with of stator, the screw rod with the helicla flute closes mutually soon, the screw rod with the airtight space that forms between the helicla flute constitutes the gluey groove runner.
In one embodiment, a high temperature resistant layer is connected to the inner wall of the stator, and the spiral groove is formed in the high temperature resistant layer.
In one embodiment, the stator is a steel cylinder, and the high-temperature resistant layer is a rubber layer.
In one embodiment, the valve further comprises a stator seat, the stator is connected inside the stator seat, mounting holes are formed in two sides of the stator seat, the mounting hole in one side of the stator seat is connected with the integrated heater of the first valve body, and the mounting hole in the other side of the stator seat is connected with the integrated heater of the second valve body.
In one embodiment, the heating member is a heating sheet or a heating rod.
In one embodiment, a transparent viewing window is arranged on each of the first heating cylinder and the second heating cylinder.
In one embodiment, the top of the first heating cylinder and the top of the second heating cylinder are both provided with a material port, the material port is connected with a plug cover, and the tops of the first heating cylinder and the second heating cylinder are both hinged with a pressing block for pressing the plug cover.
In one embodiment, the pressure piece comprises an arc-shaped plate for abutting against the plug cover.
The utility model discloses following beneficial effect has: the utility model discloses a heating type two ingredient screw-down valves can make the glue solution can both obtain monitoring and accurate control at the temperature in each flow stage, and control glue solution temperature that can be accurate has improved out gluey quality and has glued efficiency greatly.
Drawings
FIG. 1 is a schematic three-dimensional view of a heated two-component screw valve of the present invention;
FIG. 2 is a rear view of the screw valve shown in FIG. 1;
FIG. 3 is a bottom view of the screw valve shown in FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a sectional view taken in the direction B-B in FIG. 3;
in the figure: 1. the device comprises a base, 2, a first valve body, 21, a glue groove flow channel, 22, a glue inlet, 23, a rotating shaft, 24, a driving motor, 25, a screw rod, 26, a stator, 3, a second valve body, 4, a stator seat, 5, a first heating cylinder, 51, a transparent observation window, 52, a plug cover, 53, a pressing block, 531, an arc-shaped plate, 6, a second heating cylinder, 7 and an integrated heater.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1-3, the embodiment discloses a heating type two-component screw valve, which comprises a base 1, wherein a first valve body 2 and a second valve body 3 are connected to the base 1, the first valve body 2 and the second valve body 3 both adopt screw valve bodies, a glue groove flow channel 21 is arranged in each screw valve body 1, a glue inlet 22 is arranged on each screw valve body, the glue inlet 22 on the first valve body 2 is communicated with a first heating cylinder 5, the glue inlet 22 on the second valve body 3 is communicated with a second heating cylinder 6, a mixing pipe is further connected to the bottom of the base 1, the glue groove flow channel in the first valve body 2 and the glue groove flow channel 21 in the second valve body 3 are communicated with the mixing pipe, so that glue flowing into the mixing pipe through the glue groove flow channels 21 in the first valve body 2 and the second valve body 3 is mixed in the mixing pipe, and the first valve body 2, the second valve body 3, the mixing pipe (not shown in the figure) is mixed with the mixing pipe, All be provided with integrated heater 7 on first cartridge heater 5 and the second cartridge heater 6, integrated heater 7 includes heating member and temperature sensor, and temperature sensor all is connected with temperature controller (not shown in the figure) electricity, and temperature sensor is used for gathering the glue solution temperature and transmits to temperature controller to in the heating temperature of heating member is controlled through temperature controller.
The integrated heaters 7 on the first valve body 1 and the second valve body 3 are used for heating and temperature acquisition of corresponding glue tank flow passages 21 in the first valve body and the second valve body, the integrated heaters 7 on the first heating cylinder 5 and the second heating cylinder 6 are used for heating glue blocks in the first heating cylinder and the second heating cylinder to enable the glue blocks to be in a liquid state and have good liquidity, and the integrated heaters at the mixing pipe are used for heating glue liquid mixed in the mixing pipe. The positions of the integrated heaters 7 at the first valve body 2 and the second valve body 3 are shown in fig. 1, and the mixing pipe and the integrated heaters 7 at the mixing pipe are not shown in the figure.
After being heated by the integrated heat collector 7, the temperature of the glue solution can reach 130 degrees at most.
Through the setting of above-mentioned integrated heater 7 and temperature controller, control glue solution temperature that can be more accurate has improved out gluey quality and has glued efficiency greatly.
In one embodiment, as shown in fig. 4-5, the screw valve body includes a rotating shaft 23, the rotating shaft 23 is located inside the screw valve body, one end of the rotating shaft 23 is connected with a driving motor 24, the other end is connected with a screw 25, a stator 26 is sleeved outside the screw 25, a spiral groove is arranged inside the stator 26, the screw 25 and the spiral groove are screwed together, and a closed space formed between the screw 25 and the spiral groove forms a rubber groove flow channel 21.
During operation, the driving motor 24 drives the rotating shaft 23 to rotate, so that the screw 25 is driven to rotate, the screw 25 converts the rotating motion of the glue solution in the glue groove flow channel 21 into linear motion, the glue solution moves downwards along the axis of the screw 25, the resistance generated by fluid is overcome, a certain extrusion force is formed at the tail end of the screw 25, and finally the glue solution is extruded from the discharge port.
In one embodiment, a high temperature resistant layer is connected to the inner wall of the stator 26, and a spiral groove is formed on the high temperature resistant layer, so that the stator 26 can continuously and stably operate at high temperature.
In one embodiment, the stator 26 is a steel cylinder and the refractory layer is a rubber layer. The rubber layer has better high temperature resistance.
In one embodiment, the above-mentioned heating type two-component screw valve further comprises a stator seat 4, the stator is connected inside the stator seat 4, mounting holes are arranged on both sides of the stator seat 4, the mounting hole on one side of the stator seat 4 is connected with the integrated heater 7 of the first valve body 2, and the mounting hole on the other side of the stator seat 4 is connected with the integrated heater 7 of the second valve body 3, so as to improve the connection reliability, the heating stability and the temperature collection reliability.
In one embodiment, the heating element is a heating sheet or a heating rod.
In one embodiment, the first heating cylinder 5 and the second heating cylinder 6 are both provided with a transparent viewing window 51 to facilitate viewing of the glue inside the cylinders.
In one embodiment, the top of the first heating cylinder 5 and the top of the second heating cylinder 6 are both provided with a material port to serve as a sizing material inlet, the material port is connected with a plug cap 52, the top of the first heating cylinder 5 and the top of the second heating cylinder 6 are both hinged with a pressing block 53 for pressing the plug cap 52, the pressing block 53 can swing in a hinged mode, so that pressing force can be adjusted more conveniently, and meanwhile, when the plug cap 52 needs to be pulled out, the pressing block 53 only needs to swing upwards to be separated from the plug cap 52, and operation is convenient.
In one embodiment, the pressing block 53 includes an arc plate 531, and the arc plate 531 is used for abutting against the upper surface of the plug cover 42, so that the crimping area is increased, and interference with other components is avoided.
As shown in fig. 5, the flow process of the glue solution of the heated two-component screw valve disclosed in this example is as follows (the direction of the arrow in fig. 5 is the flow direction of the glue solution): after the glue materials in the first heating cylinder 5 and the second heating cylinder 6 are heated by the integrated heater 7, glue solution with better fluidity is formed, the glue solution in the first heating cylinder 5 enters the mixing tube through the glue groove runner 21, the glue solution in the second heating cylinder 6 enters the mixing tube through the glue groove runner 21, and the glue solutions in the two glue groove runners 21 are mixed in the mixing tube and finally flow out of the glue outlet needle cylinder, so that glue dispensing is realized. In the above process, the integrated heater 7 arranged at the runner 21 of the glue tank can monitor the temperature of the glue solution flowing through the runner and heat the glue solution under the control of the temperature controller, and the integrated heater 7 arranged at the mixing pipe can monitor the temperature of the mixed glue solution and heat the mixed glue solution under the control of the temperature controller. Through the setting of integrated heater 7 in many places, can make the glue solution temperature can more accurate control.
The heating type two-component screw valve of the embodiment is provided with the integrated heater 7 at the positions of the first valve body 2, the second valve body 3, the mixing pipe, the first heating cylinder 5 and the second heating cylinder 6, and is electrically connected with the temperature sensor and the temperature controller, so that the temperature of glue solution in each flowing stage can be monitored and accurately controlled, the temperature of the glue solution can be controlled more precisely, and the glue outlet quality and the glue outlet efficiency are greatly improved.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.