CN211217171U

CN211217171U - Glue spraying robot with glue temperature control function

Info

Publication number: CN211217171U
Application number: CN201921715835.XU
Authority: CN
Inventors: 金淑娟
Original assignee: Shanghai Juguang Intelligent Technology Co ltd
Current assignee: Shanghai Juguang Intelligent Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-11
Anticipated expiration: 2029-10-14

Abstract

A glue spraying robot with a glue temperature control function comprises a glue spraying robot body, an electric heating plate, a cooling axial flow fan, a switching power supply, a heating shell, a heating pipe, a control circuit and a delay alarm circuit, wherein the electric heating plate is arranged on the upper portion of the glue spraying robot body; the electrolytic hot plate is fixedly arranged on one side in the metal heating shell, the heating pipe is fixedly arranged on the other side in the heating shell, and the fan is arranged on the outer side of the heating shell; the switch power supply, the control circuit and the delay alarm circuit are arranged in the element box and connected through a lead, the heating shell is arranged inside the metal shell, one end of the heating pipe is connected with a glue pump liquid outlet pipe of the glue spraying robot body, and the other end of the heating pipe is connected with a spray gun liquid inlet pipe through another hose. The novel glue spraying robot can effectively ensure that the temperature of glue is between 28 and 30 ℃, and the requirement of the operation of the glue spraying robot body on the temperature of the glue is ensured. When the temperature is above 30 ℃ for a long time, the time delay alarm circuit can make a loud prompt sound, so that an operator can find out the reason in time to discharge the fault.

Description

Glue spraying robot with glue temperature control function

Technical Field

The utility model relates to an automobile production corollary equipment field, especially a spout gluey robot with glue control by temperature change function.

Background

In the automobile production, after the surface of an automobile shell is sprayed with paint, the glue spraying operation needs to be carried out through a glue spraying robot (the glue spraying gun connected with a mechanical arm of the glue spraying robot moves to all directions according to a certain rule under the programming action of a PLC matched with the robot so as to carry out the glue spraying operation on the surface of the automobile shell), and the main function of the glue spraying robot is to protect a paint layer and can play a certain protection role on the shell of an automobile. When the automobile glue spraying gun works, the glue pump matched with the glue spraying robot pumps out liquid glue in the glue bucket, then the liquid glue is pressurized to enter the glue spraying gun through the liquid outlet pipe and the glue pipe of the glue pump, and finally the liquid glue is sprayed out of the lower end nozzle of the glue spraying gun on the surface of the automobile shell in a mist mode.

The glue operation temperature used for spraying the glue on the automobile has strict requirements, and the temperature needs to be kept between 27 ℃ and 30 ℃; the high temperature will lead to the glue physical and chemical properties worsening to can not reach good spraying adhesion effect after spouting the glue (for example, the high temperature glue inner material is appeared, leads to glue performance worsening etc. or the high temperature leads to the glue is too thin, can not reach good spraying effect), but also can cause life to shorten. If the temperature of the glue is lower than 27 ℃, the spraying effect is also affected due to the poor flowability of the glue. In order to prevent the above-mentioned situation, some conventional glue spraying robots perform glue spraying work by operating in a constant-temperature glue spraying room. However, since the glue is located in the glue bucket and has a certain depth, even if the temperature of the glue on the surface changes along with the change of the ambient temperature, the change of the ambient temperature cannot effectively influence the temperature change of all liquid glue (the temperature difference exists between the inner bottom of the glue and the indoor environment); and the indoor temperature can not be effectively guaranteed to be always above 27 ℃ and below 30 ℃ (for example, the door of the glue spraying chamber is opened for a period of time, workers enter and exit, and the like), so that the temperature of glue in glue spraying can not reach the actual requirement, and the glue spraying operation can not reach a good effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome current glue spraying robot, adopt and spout the mode of gluey room indoor operation at constant temperature and spout gluey operation, can not guarantee to spout glue in the operation glue temperature can effectively be in more than 27 ℃, below 30 ℃, the utility model provides an in the operation, when taking place the temperature transaction, when the temperature is low, control circuit can connect automatically and lead to the electrical heating board and heat for glue, when the temperature is too high, control circuit can be automatic for the glue cooling, and when long-time high temperature, can in time send the suggestion sound of making a sound through time delay alarm circuit, operating personnel receives after the suggestion sound, can in time find out the reason and carry out the trouble and discharge, has effectively guaranteed the glue spraying robot who has glue temperature control function who spouts gluey effect from this.

The utility model provides a technical scheme that its technical problem adopted is:

a glue spraying robot with a glue temperature control function comprises a glue spraying robot body, an electric heating plate, a cooling axial flow fan, a switching power supply, a heating shell and a heating pipe, and is characterized by further comprising a control circuit and a time-delay alarm circuit, wherein a metal shell is arranged at the lower end of the glue spraying robot body; the electric heating plate is fixedly arranged on one inner side of the metal heating shell, the heating pipe is in a snake shape, the heating pipe is fixedly arranged on the other side in the heating shell, the heating pipe is tightly attached to the electric heating plate, and the fan is arranged on the outer side of the heating shell; the switching power supply, the control circuit and the delay alarm circuit are arranged in the element box, the heating shell is arranged in the metal shell, one end of the heating pipe is connected with a liquid outlet pipe of a glue pump of the glue spraying robot body through a hose, and the other end of the heating pipe is connected with a liquid inlet pipe of a spray gun of the glue spraying robot body through another hose; the power output end of the switch power supply is connected with the two power input ends of the control circuit and the delay alarm circuit through leads, one pole of the 220V alternating-current power supply is connected with the control power input end of the control circuit through leads, the two control power output ends of the control circuit are connected with the electric heating plate and the power input end of the fan through leads, the other pole of the 220V alternating-current power supply is connected with the other power input end of the fan and the second path of control power input end of the control circuit through leads, the second path of control power output end of the control circuit is connected with the other power input end of the electric heating plate through leads, and the signal output end of the control circuit is connected with the signal input end of the delay alarm circuit through.

Furthermore, the electric heating plate consists of a plurality of constant temperature PTC ceramic electric heating plates, and the two ends of the power supply input of the plurality of PTC ceramic electric heating plates are connected in parallel together through a lead.

Further, the switching power supply is an alternating current to direct current switching power supply module.

Further, the heating tube is a copper tube.

Furthermore, the control circuit comprises relays and temperature control switches, two openings are arranged at the upper end of a heating pipe at one end outside a metal shell of the robot body, a vertical pipe communicated with the inner space of the heating pipe is fixedly arranged on each opening, one side of the upper part of each vertical pipe is fixedly arranged at the rear side of the shell of each temperature control switch, the lower ends of temperature sensing heads of the two temperature control switches are arranged in the vertical pipes, one end of a first temperature control switch is connected with one end of a second temperature control switch and the control power input end of a third relay, the other end of the first temperature control switch is connected with the positive power input end of the first relay, the first relay is connected with the negative power input end of the second relay, the third relay and the fourth relay, the other end of the second temperature control switch is connected with the positive power input ends of the second relay, the third relay and the fourth relay, the first relay is connected with the input end of the control power supply of the fourth relay.

The time-delay alarm circuit comprises an NPN triode, an electrolytic capacitor, a relay, a resistor and a buzzer, wherein the NPN triode, the electrolytic capacitor, the relay, the resistor and the buzzer are connected through a circuit board in a wiring mode, one end of a first resistor is connected with one end of a second resistor and the anode of the electrolytic capacitor, the other end of the second resistor is connected with the base of the first NPN triode, the emitting electrode of the first NPN triode is connected with the base of the second NPN triode, the collecting electrode of the first NPN triode and the collecting electrode of the second NPN triode are connected with the power input end of the cathode of the relay, the positive power input end of the relay is connected with the input end of a control power supply, the normally open contact end of the relay is connected with the input end of the positive power.

The utility model has the advantages that: the utility model discloses it spouts other glue flows of spouting of gluey robot body and current glue robot working process of spouting are unanimous completely. In the use, when the glue temperature in the heating tube of flowing through is less than below 28 ℃, first temperature detect switch enables control circuit control electric heating board and for the glue heating, when the temperature reaches 28 ℃, electric heating board stop heating, when the glue temperature exceedes 30 ℃, second temperature detect switch enables control circuit switch-on fan and dispels the heat for electric heating pipe, and then for the glue cooling, through the aforesaid, this novel glue temperature that can effectively guarantee is located between 28 ℃ -30 ℃, has guaranteed the demand of spouting gluey robot body operation to the glue temperature. In the operation, when the temperature is more than 30 ℃ for a long time (for example, temperature detect switch damages etc. and causes), time delay alarm circuit can send loud suggestion sound, and operating personnel can in time find out the reason like this and carry out the fault discharge, has effectively guaranteed from this and has spouted gluey effect. Based on the above, so this novel application prospect that has.

Drawings

The invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the electric heating plate, the cooling axial flow fan, the heating shell and the heating pipe of the present invention.

Fig. 3 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 1, a glue spraying robot with a glue temperature control function comprises a glue spraying robot body 1, an electric heating plate 2, a cooling axial flow fan 3, a switching power supply 4, a heating shell 5, a heating pipe 6, a control circuit 7 and a delay alarm circuit 8; the lower end of the glue spraying robot body 1 is welded with a rectangular metal shell 101, the lower end of the metal shell 101 is installed on the ground of an operation area through a screw nut, the front end and the rear end of the metal shell 101 are symmetrically provided with an opening, and the outer side of the opening is provided with a metal net 102 through the screw nut; the electric heating plate 2 is arranged on the inner rear side of the rectangular metal heating shell 5 through a screw nut, the heating pipe 6 is in a snake shape, the heating pipe 6 is arranged on the inner front side of the heating shell 5 through the screw nut, the rear side of the heating pipe 6 is tightly attached to the front side of the electric heating plate 2, the left part of the heating pipe 6 is positioned outside the left lower end of the heating shell 5, and the right part of the heating pipe 6 is positioned outside the right upper end of the heating shell 5; the front end of the supporting frame of the fan 3 is arranged outside the front end of the heating shell 5 through a screw nut; switching power supply 4, control circuit 7, time delay alarm circuit 8 installs on the circuit board, the circuit board is installed in component box 9, component box 9 is installed in the component case at rear portion under the robot, the lower extreme of the heating shell 5 body is transversely installed in the middle of the interior lower part of metal-back 101 through screw nut, the left part of heating pipe 6 is middle part under the left end of metal-back 101, the right part of heating pipe 6 is middle part on the right-hand member of metal-back 101, the outlet pipe of the 6 left ends of heating pipe and the gluey robot glue pump of spouting is through hose connection, the 6 right-hand members of heating pipe and the 10 feed liquor pipes 11 of the spray gun 10 of gluey robot body 1 are connected through another hose 12.

As shown in fig. 1, 2 and 3, the electric heating plate RT is composed of seven PTC ceramic electric heating plate finished products with constant temperature of 120 ℃, each power is 50W, the seven ceramic electric heating plate finished products RT are distributed from left to right, are fixedly arranged on the inner rear side of the metal heating shell 5 from top to bottom through screw nuts and are spliced into a plane whole, the two ends of the power input of the seven PTC ceramic electric heating plates are connected in parallel through wires, the wires are sleeved in the heat-proof insulating heat-resistant yellow wax tube, and the wires are led out from the middle opening of the rear side end of the heating shell 5. The cooling axial flow fan M is a brand-pioneer AC 220V fan, and the power is 50W. The switch power supply is a finished product of a brand bright weft AC 220V-to-12V DC switch power supply module with power of 2 KW. The heating tube 6 is a copper tube. The control circuit comprises relays K1, K2, K3 and K4, and temperature control switches W1 and W2; relays K1, K2, K3 and K4 are mounted on a circuit board in an element box and connected with temperature control switches W1 and W2 through leads, the upper end of a right upper heating tube positioned outside a metal shell 101 of a robot body is provided with two openings from left to right, each opening is welded with a vertical tube 13 communicated with the internal space of the heating tube, the upper end of the vertical tube 13 is of a closed structure, the middle part of a sealing plate at the upper end of the vertical tube 13 is provided with one opening, the temperature control switches W1 and W2(15 and 16) are knob type temperature controllers of Korean Rainbow Rainbow brand and model TS-120SR, the temperature adjusting range is 0-120 ℃ (when the temperature control switch W1 is lower than a set temperature, the two internal control contacts are closed, when the temperature control switch W2 is higher than the set temperature, the upper end of the rear side of each vertical tube is welded with an L support plate 131, the two temperature control switches W1, K4, The rear side of the shell of W2 is respectively arranged at the upper part of the front side of the rear end of the supporting plate 131, the lower ends (tubular shape) of the temperature sensing heads of the two temperature control switches W1 and W2 respectively enter the vertical tubes through two openings of the sealing plate of the two vertical tubes 13, and the lower ends and the openings of the temperature sensing heads are sealed by heat-resistant sealant; one end of a first temperature-controlled switch W1 is connected with one end of a second temperature-controlled switch W2, the control power input end of a third relay K3 is connected, the other end of the first temperature-controlled switch W1 is connected with the positive power input end of the first relay K1, the first relay K1 is connected with the negative power input end of the second relay K2, the third relay K3 is connected with the negative power input end of the fourth relay K4, the other end of the second temperature-controlled switch W2 is connected with the second relay K2, the third relay K3 is connected with the positive power input end of the fourth relay K4, and the control power input ends of the first relay K1 and the fourth relay K4 are connected. The time-delay alarm circuit comprises resistors R1 and R2, NPN triodes Q1 and Q2, an electrolytic capacitor C1, a relay K5 and a sounder B; the circuit board is connected through wiring, one end of a first resistor R1 is connected with one end of a second resistor R2 and the anode of an electrolytic capacitor C1, the other end of the second resistor R2 is connected with the base electrode of a first NPN triode Q1, the emitting electrode of the first NPN triode Q1 is connected with the base electrode of a second NPN triode Q2, the collecting electrodes of the first NPN triode Q1 and the second NPN triode Q2 are connected with the negative power input end of a relay K5, the positive power input end of the relay K5 is connected with the control power input end, the normally open contact end of the relay K5 is connected with the positive power input end of a buzzer B, and the negative electrode of the electrolytic capacitor C1 is connected with the emitting electrode of the second NPN triode Q2 and the negative power input end of the. Two ends 1 and 2 of power input of a switch power supply A1 and two poles of a 220V alternating current power supply are respectively connected through leads, a power output end 3 and 4 pins of a switch power supply A1 and a power input end of a control circuit power input two ends relay K3 control power input ends and a negative power input end, a power input two end relay K5 positive power input end of a time delay alarm circuit and an emitting electrode of an NPN triode Q2 are respectively connected through leads, one end of the 220V alternating current power supply is connected with the control power input ends of a relay K1 and a relay K4 of the control circuit through leads, the control power output two ends of the control circuit relay K1 normally open contact end and the relay K4 normally open contact end are respectively connected with an electric heating plate RT and a power input end of the fan M through leads, the other end of the 220V alternating current power supply is connected with the other power input end of the fan M and the control power input end of a relay K2 of the control circuit through leads, the relay K829, the normally open contact end of the relay K3 at the signal output end of the control circuit is connected with the other end of the resistor R1 at the signal input end of the delay alarm circuit through a lead.

Shown in fig. 1, 2 and 3, the utility model discloses it spouts gluey robot body 1 other and spouts gluey flow and current gluey robot working process of spouting is unanimous completely. This novel during operation, the supporting glue pump of glue spraying robot body 1 takes out the liquid glue in the glue bucket, then pressurizes and flow out through glue pump's drain pipe, rubber tube, heating pipe 6 and get into in spouting gluey rifle 10, at last from 14 lower extreme spouts vaporific blowout of spout of the nozzle of spouting gluey rifle on automobile shell's surface. After 220V enters two ends 1 and 2 of the power input of the switching power supply A1, under the action of an internal circuit, pins 3 and 4 can output a stable 12V direct current power supply to enter two ends of the power input of the control circuit and the time delay alarm circuit, and the control circuit and the time delay alarm circuit are in working states; meanwhile, one pole of the 220V alternating current power supply enters the control power supply input ends of the relays K1 and K4, and the other pole of the 220V alternating current power supply enters the control power supply input end of the relay K2 and the other power supply input end of the fan M. In practical use, when the temperature of glue flowing out of the heating pipe 6 and entering the glue gun 10 is lower than 28 ℃ (the glue can contact with the temperature sensing surface of the first temperature control switch W1 through the first vertical pipe 13, and the adjusting knob of the temperature control switch W1 is adjusted to 28 ℃), two control contact ends inside the temperature control switch W1 are in a closed state, so that the positive electrode of the 12V power supply can enter the positive power supply input end of the relay K1 through the temperature control switch W1 with the closed internal contact (the negative electrode of the relay K1 is communicated with the 4 pins of the switch power supply a 1), and then the relay K1 is powered on to close the control power supply input end and the normally open contact end. Because relay K1 control power input end and 220V alternating current power supply one extremely link to each other, relay K1 normally open contact end and electric heating board RT power input one end are connected, the other utmost point of 220V alternating current power supply is connected with relay K2 control power input end, relay K2 normally closed contact end and another power input end of electric heating board RT are connected, relay K2 is in at this moment and loses the electric state its control power input end and normally closed contact end and be in the closed condition, so electric heating board RT can get the electricity and generate heat this moment. The heat generated after the electric heating plate RT works by electricity acts on the outer side of the heating pipe 6, so that the heating pipe 6 is heated to heat the glue liquid in the heating pipe; the purpose of heating by using the 120 ℃ electric heating plate RT is that in actual conditions, the temperature of glue liquid is not much lower than 28 ℃ (the heating speed of glue is not too fast enough) and if the heating pipe 6 is heated by using the electric heating pipe with the heating temperature of hundreds of degrees and the heating pipe 6 is heated too fast, the temperature rise is fast raised (far exceeding 30 ℃), even if two control contact ends of the subsequent temperature control switch W1 are in an open circuit state, the temperature in the heating pipe 6 needs to be lowered for a long time, and the performance of glue is affected. When the temperature of the glue is higher than 28 ℃, two control contact ends in the temperature control switch W1 are in an open circuit state, so that the relay K1 loses power and does not attract the control power supply input end and the normally open contact end to open a circuit, and further the electric heating plate RT loses power and does not generate heat; when the temperature is lower than 28 ℃ again, the two control contact ends in the temperature control switch W1 are in a closed state again, the relay K1 is powered on again to attract the control power supply input end of the relay K1 to be communicated with the normally open contact end, then the electric heating plate RT is powered on again to generate heat and heat the glue in the heating pipe 6, and the glue temperature is guaranteed to be always higher than 28 ℃.

As shown in fig. 1, 2 and 3, in practical use, when the temperature of the glue flowing out of the heating pipe 6 into the glue gun 10 is lower than 30 ℃, because the temperature is lower than 30 ℃ (the adjusting knob of the temperature control switch W2 is adjusted to 30 ℃ in advance), two control contact ends inside the temperature control switch W2 are in an open circuit state, then the 12V power supply cannot enter the positive power supply input end of the relay K2 at this moment, the relay K2 is in a power-off state, the control power supply input end and the normally closed contact end are in a closed state, and no influence is caused on the heating of the electric heating plate RT when the temperature of the glue is lower than 28 ℃. When the temperature of the glue flowing out of the heating pipe 6 and entering the glue gun 10 is higher than 30 ℃ (the glue can contact with the temperature sensing surface of the second vertical pipe 13 and the second temperature control switch W2, the adjusting knob of the temperature control switch W2 is adjusted to 30 ℃) in advance, two control contact ends inside the temperature control switch W2 are in a closed state, so that a 12V power supply can enter the positive power input ends of the relays K2, K3 and K4 (the negative power input ends of the relays K2, K3 and K4 are communicated with 4 pins of the switch power supply A1) through the temperature control switch W2 with the closed internal contacts, and then the relays K2, K3 and K4 are respectively electrically attracted. After the relay K2 is electrified, the control power supply input end and the normally closed contact end are opened, after the relay K3 is electrified, the control power supply input end and the normally open contact end are communicated, and after the relay K4 is electrified, the control power supply input end and the normally open contact end are communicated. Because another utmost point of 220V alternating current power supply is connected with relay K2 control power input end, and relay K2 normally closed contact end is connected with another power input end of electric heating board RT, so at this moment, motor hot plate RT can stop heating, prevent that heating temperature is too high to cause the influence to glue. Because the normally open contact end of the relay K4 (the control power input end of the relay K4 is communicated with one pole of the 220V alternating current power supply) is connected with the power input end of the fan M, and the other pole of the 220V alternating current power supply is connected with the other power input end of the fan M, at the moment, the fan M can generate wind power to blow on the right outer side of the heating shell 5 to cool the heating shell 5, meanwhile, the heating pipe 6 and the glue are cooled, and hot wind is blown out from the metal netting 102 to the outer side of the metal shell 101 of the robot body. When the temperature of glue flowing out of the heating pipe 6 and entering the glue gun 10 is lower than 30 ℃ again, two control contact ends in the temperature control switch W2 are in an open circuit state again, the 12V power supply anode cannot enter the relay K2, K3 and K4 anode power supply input end through the temperature control switch W2 with the internal contacts open circuit again, the relays K2, K3 and K4 are in a power loss state, the normally closed contact end and the control power supply input end of the relay K2 are closed again after the relay K2 loses power, it is guaranteed that when the temperature of the glue is lower than 28 ℃, the temperature control switch W1 and the relay K1 control the electric heating plate RT to be powered on and generate heat again, meanwhile, due to the fact that the relay K4 loses power to control the power supply input end and the normally open contact end, the fan M also stops working, and influence on heating work of the heating plate. Under the effect of the temperature control switches W1 and W2 and the control circuit thereof, the novel glue spraying machine can effectively ensure that the temperature of glue is between 28 ℃ and 30 ℃, and achieves an ideal glue spraying effect.

As shown in fig. 1, 2 and 3, when the temperature of the glue flowing out of the heating pipe 6 and entering the glue gun 10 is higher than 30 ℃, the relay K3 is electrified to close the control power input end and the normally open contact end; because the control power input end of the relay K3 is connected with the 3 pins of the switch power supply A1, and the normally open contact end of the relay K3 is connected with the other end line of the resistor R1 of the delay alarm circuit, the positive pole of the 12V power supply can enter the resistor R1. At the moment, the positive pole and the negative pole of the delay circuit are communicated with pins 3 and 4 of a switch power supply A1, the positive pole of a 12V power supply can charge an electrolytic capacitor C1 through a resistor R1, when the electrolytic capacitor C1 is not fully charged at the beginning, the voltage of the power supply entering the base electrode of an NPN triode Q1 is lower than 0.7V after the voltage is reduced and limited through the resistor R2, the NPN triodes Q1 and Q2 are both in a cut-off state, and a subsequent audible annunciator B cannot sound; when the power supply of the electrolytic capacitor C1 is full after 30 seconds, the voltage of the power supply entering the base electrode of the NPN triode Q1 is higher than 0.7V after the voltage is reduced and the current is limited by the resistor R2, so that the Darlington tube consisting of the NPN triode Q1 and the Q2 is in a conducting state, the collector outputs low level and enters the negative power supply input end of the relay K5 (the positive power supply input end and the control power supply input end of the relay K5 are communicated with the pin 3 of the switch power supply A1), and further, the relay K5 is electrified to attract the control power supply input end and the normally open contact end of the relay K5 to; because the positive power supply input end of the buzzer B is connected with the normally open contact end of the relay K5, and the negative power supply input end of the buzzer B is connected with the 4 pins of the switching power supply A1, at the moment, the buzzer B can send out a loud prompt sound to prompt that the temperature of the glue exceeds 30 ℃ for a long time, so that an operator can find out the reason in time to carry out fault discharge (for example, the internal contact cannot be opened under extreme conditions when the temperature switch W2 is damaged), and the glue spraying effect is effectively ensured. Relays K1, K2, K3, K4 are DC4123 type 12V relays of the song brand; the models of NPN triodes Q1 and Q2 are 9013; the resistances of the resistors R1 and R2 are 1.4M and 470K respectively; the model of the electrolytic capacitor C1 is 20 mu F/25V; the audible alarm B is an active continuous audible alarm finished product of a brand wingspan.

Having shown and described the fundamental principles and essential features of the invention, and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A glue spraying robot with a glue temperature control function comprises a glue spraying robot body, an electric heating plate, a cooling axial flow fan, a switching power supply, a heating shell and a heating pipe, and is characterized by further comprising a control circuit and a time-delay alarm circuit, wherein a metal shell is arranged at the lower end of the glue spraying robot body; the electric heating plate is fixedly arranged on one inner side of the metal heating shell, the heating pipe is in a snake shape, the heating pipe is fixedly arranged on the other side in the heating shell, the heating pipe is tightly attached to the electric heating plate, and the fan is arranged on the outer side of the heating shell; the switching power supply, the control circuit and the delay alarm circuit are arranged in the element box, the heating shell is arranged in the metal shell, one end of the heating pipe is connected with a liquid outlet pipe of a glue pump of the glue spraying robot body through a hose, and the other end of the heating pipe is connected with a liquid inlet pipe of a spray gun of the glue spraying robot body through another hose; the power output end of the switch power supply is connected with the two power input ends of the control circuit and the delay alarm circuit through leads, one pole of the 220V alternating-current power supply is connected with the control power input end of the control circuit through leads, the two control power output ends of the control circuit are connected with the electric heating plate and the power input end of the fan through leads, the other pole of the 220V alternating-current power supply is connected with the other power input end of the fan and the second path of control power input end of the control circuit through leads, the second path of control power output end of the control circuit is connected with the other power input end of the electric heating plate through leads, and the signal output end of the control circuit is connected with the signal input end of the delay alarm circuit through.

2. The glue spraying robot with the glue temperature control function according to claim 1, wherein the electric heating plate is composed of a plurality of constant temperature PTC ceramic electric heating plates, and two ends of the power input of the plurality of PTC ceramic electric heating plates are connected in parallel through a lead.

3. The glue spraying robot with the glue temperature control function according to claim 1, wherein the switching power supply is an AC-to-DC switching power supply module.

4. The glue spraying robot with the glue temperature control function according to claim 1, wherein the heating pipe is a copper pipe.

5. The glue spraying robot with the glue temperature control function according to claim 1, wherein the control circuit comprises a relay and a temperature control switch, two openings are formed in the upper end of the heating pipe at one end outside the metal shell of the robot body, a vertical pipe communicated with the inner space of the heating pipe is fixedly installed on each opening, one side of the upper part of each vertical pipe is fixedly installed on the rear side of the shell of each temperature control switch, the lower ends of the temperature sensing heads of the two temperature control switches are located in the vertical pipes, one end of the first temperature control switch is connected with one end of the second temperature control switch and the control power input end of the third relay, the other end of the first temperature control switch is connected with the positive power input end of the first relay, the first relay is connected with the negative power input end of the second relay, the other end of the second temperature control switch is connected with the negative power input end of the second relay, the other end of the, The positive power input ends of the third relay and the fourth relay are connected, and the first relay is connected with the control power input end of the fourth relay.

6. The glue spraying robot with the glue temperature control function according to claim 1, wherein the time delay alarm circuit comprises an NPN triode, an electrolytic capacitor, a relay, a resistor and a buzzer, the time delay alarm circuit is connected through a circuit board in a wiring mode, one end of the first resistor is connected with one end of the second resistor and the anode of the electrolytic capacitor, the other end of the second resistor is connected with the base of the first NPN triode, the emitting electrode of the first NPN triode is connected with the base of the second NPN triode, the collecting electrode of the first and second NPN triodes is connected with the power input end of the negative electrode of the relay, the power input end of the positive electrode of the relay is connected with the input end of a control power supply, the normally open contact end of the relay is connected with the power input end of the positive electrode of the buzzer, and the negative electrode of the electrolytic capacitor is connected with the emitting.