CN212781120U - Die travel switch detection device - Google Patents
Die travel switch detection device Download PDFInfo
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- CN212781120U CN212781120U CN202020925797.7U CN202020925797U CN212781120U CN 212781120 U CN212781120 U CN 212781120U CN 202020925797 U CN202020925797 U CN 202020925797U CN 212781120 U CN212781120 U CN 212781120U
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Abstract
The utility model discloses a mould travel switch detection device, connect the detection sub-device including travel switch, travel switch connects the detection sub-device and includes first detection case, sets up at the outside plug of first detection case and sets up the travel switch connection detection circuitry in first detection case inside, travel switch connect detection circuitry with plug connection, during the use only need with the plug inserts the socket of treating the mould electronic box, connects detection circuitry through travel switch and can detect whether normal to treat the connecting circuit of the multiunit travel switch who treats the mould, still can further detect the fault location if abnormal, efficient and very reliable. The utility model discloses but wide application in mould processing technology field.
Description
Technical Field
The utility model belongs to the technical field of the mould processing technique and specifically relates to a mould travel switch detection device.
Background
A travel switch and a position switch (also called a limit switch), which are commonly used small-current master control electrical appliances. The contact of the mechanical motion part is operated by the collision to realize the connection or disconnection of the control circuit, thereby achieving a certain control purpose. Generally, such switches are used to limit the position or stroke of the movement of the machine, so that the moving machine can automatically stop, move in reverse, shift or automatically move back and forth according to a certain position or stroke.
In the technical field of mold processing, at least two to three sliding blocks are generally needed to be matched with a movable mold and a fixed mold to realize the mold structure of a product. The movement strokes of the sliding blocks are different, and the movement sequence of the sliding blocks has strict regulations, otherwise, collision among all parts of the die can be caused, and the die is damaged or even scrapped. In order to confirm whether the action of the mold structure is completed or not and ensure that the actions of different mechanisms of the mold are performed according to a specified sequence, two travel switches are required to be arranged on each slide block, the forward movement and the backward movement of the slide block are respectively detected through the two travel switches, and the two travel switches corresponding to the forward movement signal and the backward movement signal on each slide block are a group of travel switches.
Therefore, the detection work of the stroke switch is important in the manufacture of the mold. The traditional detection method is to use the resistance level test of a universal meter, the travel switch is in an open circuit state when not triggered, the travel switch is close to a short circuit state when triggered, whether the travel switch normally works can be detected according to the resistance value measured by the universal meter, however, when a plurality of groups of travel switches on a detection die are connected with a circuit, if the universal meter measures that the circuit is in the open circuit state, a detection person is required to detect a plurality of travel switches in the circuit one by one and check whether the circuit connection between the travel switches is correct, the detection is carried out again after repeated debugging, the efficiency is low, and errors are easy to occur. The device is used for detecting a plurality of travel switches simultaneously, but if the device is used for detecting a connecting circuit of a plurality of groups of travel switches on a die, the device is the same as a traditional universal meter detection method, the efficiency is extremely low, and errors are easy to occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a: the die travel switch detection device is efficient and reliable.
The utility model adopts the technical proposal that:
the utility model provides a mould travel switch detection device, includes travel switch and connects detection sub-device, travel switch connects detection sub-device includes first detection case, sets up at the outside plug of first detection case and sets up at the inside travel switch connection detection circuitry of first detection case, travel switch connect detection circuitry with the plug connection.
Further, the plug comprises a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin and an eighth pin, the travel switch connection detection circuit comprises a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay and a first power supply, the first relay, the second relay, the third relay, the fourth relay, the fifth relay and the sixth relay are all provided with indicating lamps, the first pin is connected with the positive pole of the first power supply, the negative pole of the first power supply is respectively connected with one end of the first relay, one end of the second relay, one end of the third relay, one end of the fourth relay, one end of the fifth relay, one end of the sixth relay and the second pin, the other end of the first relay is connected with the third pin, the other end of the second relay is connected with the fourth pin, the other end of the third relay is connected with the fifth pin, the other end of the fourth relay is connected with the sixth pin, the other end of the fifth relay is connected with the seventh pin, and the other end of the sixth relay is connected with the eighth pin.
Further, the plug is one of an eight-pin plug, a twelve-pin plug and a sixteen-pin plug.
Further, the travel switch connection detection circuit further comprises a first connection terminal, a second connection terminal, a third connection terminal, a fourth connection terminal, a fifth connection terminal, a sixth connection terminal, a seventh connection terminal and an eighth connection terminal, wherein the first connection terminal is connected in series between the first pin and the positive electrode of the first power supply, the second connection terminal is connected in series between the second pin and the negative electrode of the first power supply, the third connection terminal is connected in series between the third pin and the other end of the first relay, the fourth connection terminal is connected in series between the fourth pin and the other end of the second relay, the fifth connection terminal is connected in series between the fifth pin and the other end of the third relay, and the sixth connection terminal is connected in series between the sixth pin and the other end of the fourth relay, the seventh wiring terminal is connected in series between the seventh pin and the other end of the fifth relay, and the eighth wiring terminal is connected in series between the eighth pin and the other end of the sixth relay.
Further, the travel switch connection detection circuit further comprises a first control switch, and the first control switch is connected between the first wiring terminal and the positive electrode of the first power supply in series.
The travel switch signal connection detection sub-device comprises a second detection box, a first electrical appliance connector and a second electrical appliance connector which are arranged outside the second detection box, and a travel switch signal detection circuit arranged inside the second detection box, wherein the travel switch signal detection circuit is connected with the electrical appliance connectors.
Further, the first electrical appliance connector comprises a first interface, a second interface and a third interface, the second electrical appliance connector comprises a fourth interface, a fifth interface and a sixth interface, the travel switch signal detection circuit comprises a seventh relay, an eighth relay and a second power supply, the seventh relay and the eighth relay are provided with indicator lights, the anode of the second power supply is connected with the first interface and the fourth interface respectively, the cathode of the second power supply is connected with one end of the seventh relay, one end of the eighth relay, the third interface and the sixth interface respectively, the other end of the seventh relay is connected with the second interface, and the other end of the eighth relay is connected with the fifth interface.
Further, the travel switch signal detection circuit further comprises a second control switch, and the second control switch is connected in series between the positive electrode of the second power supply and the first interface and between the positive electrode of the second power supply and the fourth interface.
Further, the first power supply is one of a dry battery, a storage battery and a lithium battery, and the second power supply is one of a dry battery, a storage battery and a lithium battery.
Further, the first detection box and the second detection box are cast aluminum electronic boxes.
The utility model has the advantages that: connect detection sub-device including travel switch, travel switch connects detection sub-device includes first detection case, sets up at the outside plug of first detection case and sets up the travel switch connection detection circuitry in first detection case inside, travel switch connect detection circuitry with plug connection, during the use only need with the plug access waits to detect the socket of mould electronic box, connects detection circuitry through travel switch and can detect whether normal to wait to detect the multiunit travel switch's of waiting to detect the mould connecting circuit, if unusual still can further detect the fault location, efficient and very reliable.
Drawings
Fig. 1 is a block diagram of the overall structure of a mold travel switch detection device of the present invention;
FIG. 2 is a block diagram of the structure of the travel switch connection detection sub-device of the present invention;
fig. 3 is a block diagram of the structure of the travel switch signal detection sub-device of the present invention;
fig. 4 is a schematic structural diagram of a plug according to an embodiment of the present invention;
FIG. 5 is a schematic circuit diagram of a routine switch connection detection circuit according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of the embodiment of the present invention for detecting a three-wire stroke switch by a stroke switch signal detection circuit;
fig. 7 is a schematic circuit diagram of the two-wire system travel switch signal detection circuit according to the embodiment of the present invention;
fig. 8 is a circuit diagram of three groups of three-wire travel switches of the mold to be detected according to the embodiment of the present invention;
fig. 9 is the embodiment of the utility model provides a detect three two-wire system travel switch connecting circuit of group of mould.
Reference numerals:
101-, S1-S2 indicate first to second control switches, E1-E2 indicate first to second power supplies, a1-A3 indicate three-wire stroke switches corresponding to three slide back signals of the mold to be inspected, respectively, C1-C3 indicate three-wire stroke switches corresponding to three slide forward signals of the mold to be inspected, a4-a6 indicate three two-wire stroke switches corresponding to three slide back signals of the mold to be inspected, respectively, and C4-C6 indicate three two-wire stroke switches corresponding to three slide forward signals of the mold to be inspected, respectively.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality is two or more, if there is a description that the first and the second are only used for distinguishing the technical features, but not understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless explicitly defined otherwise, the words such as setting, connecting and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention by combining the specific contents of the technical solutions.
Referring to fig. 1 and 2, the die travel switch detection device comprises a travel switch connection detection sub-device, wherein the travel switch connection detection sub-device comprises a first detection box, a plug arranged outside the first detection box and a travel switch connection detection circuit arranged inside the first detection box, and the travel switch connection detection circuit is connected with the plug.
Specifically, during use, the plug is only required to be connected into the socket of the die electric box to be detected, and the connecting circuits of the multiple groups of travel switches in the die electric box to be detected can be detected through the travel switch connecting detection circuit.
Referring to fig. 5, as a further alternative embodiment, the plug includes a first pin 101, a second pin 102, a third pin 103, a fourth pin 104, a fifth pin 105, a sixth pin 106, a seventh pin 107 and an eighth pin 108, the travel switch connection detection circuit includes a first relay K1, a second relay K2, a third relay K3, a fourth relay K4, a fifth relay K5, a sixth relay K6 and a first power source E1, the first relay K1, the second relay K2, the third relay K3, the fourth relay K4, the fifth relay K5 and the sixth relay K6 all have indicator lights, the first pin 101 is connected with a positive pole of the first power source E1, and a negative pole of the first power source E1 is connected with one end of the first relay K1, one end of the second relay K2 and one end of the third relay K3, respectively, One end of the fourth relay K4, one end of the fifth relay K5, one end of the sixth relay K6 and the second pin 102 are connected, the other end of the first relay K1 is connected with the third pin 103, the other end of the second relay K2 is connected with the fourth pin 104, the other end of the third relay K3 is connected with the fifth pin 105, the other end of the fourth relay K4 is connected with the sixth pin 106, the other end of the fifth relay K5 is connected with the seventh pin 107, and the other end of the sixth relay K6 is connected with the eighth pin 108.
Specifically, as can be seen from fig. 5 and the connection relationship described above, the first relay K1 and the first power supply E1 are connected in series between the first pin 101 and the third pin 103, and when the first pin 101 and the third pin 103 are conducted in the die box to be tested, the first relay K1 is in an operating state, and the indicator light thereof emits light. Similarly, the second relay K2, the third relay K3, the fourth relay K4, the fifth relay K5 and the sixth relay K6 are also in a working state when pins connected in series are switched on in the mold box to be detected, and the indicating lamps of the relays can emit light.
The travel switch adopted by the mold at the present stage is a three-wire system or a two-wire system, the three-wire system travel switch is provided with three signal wires of brown, blue and black, and the two-wire system travel switch is provided with two signal wires of brown and blue. A plurality of sliding blocks are arranged on one die, and each sliding block is provided with a group of travel switches which are respectively used for detecting the advancing and retreating of the sliding block. As shown in fig. 8 and 9, it can be seen from fig. 8 and 9 that the stroke switches for controlling the slide forward signal are connected in series, and the stroke switches for controlling the slide backward signal are connected in series.
Taking the circuit shown in fig. 8 as an example, a1, a2, A3 are three travel switches corresponding to three slide block retraction signals on the mold, C1, C2, C3 are three travel switches corresponding to three slide block forward signals on the mold, a1, a2, A3 are connected in series, C1, C2, C3 are also connected in series, and during detection, the plug of the travel switch connection detection sub-device is connected to the socket of the mold electrical box to be detected. As can be known from the travel switch connection detection circuit shown in fig. 5, when the three sliders advance simultaneously, if the indicator lights of the first relay K1, the third relay K3, and the fourth relay K4 are turned on simultaneously, it indicates that the three travel switch connection circuits of the mold to be detected that control the slider advance signal are normal, otherwise, the travel switch connection circuits may be connected incorrectly or have a travel switch fault, and further, if K1 is not turned on, K3 and K4 are turned on, it indicates that C3 may have a fault or have a connection error; if K1 and K4 are not bright and K3 is bright, C2 may be failed or the connection is wrong; if none of K1, K3 and K4 are bright, it indicates that C1 may be faulty or its connection is incorrect. Similarly, when the three sliders retract simultaneously, if the indicator lights of the second relay K2, the fifth relay K5 and the sixth relay K6 are turned on simultaneously, it indicates that the three travel switch connection circuits of the control slider retraction signals of the die to be detected are normal, otherwise, the travel switch connection circuits may be connected in error or the travel switches may be in fault, and further, if the K2 is not turned on, the K5 and the K6 are turned on, it indicates that the a3 may be in fault or the connection thereof is in error; if K2 and K6 are not bright and K5 is bright, it indicates that A2 may be in fault or connection error; if none of K2, K5, and K6 are bright, it indicates that a1 may be faulty or its connection is incorrect.
Similarly, for the two-wire system travel switch connection circuit shown in fig. 9, a4, a5, a6 are three travel switches corresponding to three slide block retraction signals on the mold, C4, C5, C6 are three travel switches corresponding to three slide block forward signals on the mold, a4, a5, a6 are connected in series, C4, C5, C6 are also connected in series, and during detection, the plug connecting the travel switch to the detection sub-device is connected to the socket of the mold electric box to be detected. As can be known from the travel switch connection detection circuit shown in fig. 5, when the three sliders advance simultaneously, if the indicator lights of the first relay K1, the third relay K3, and the fourth relay K4 are turned on simultaneously, it indicates that the three travel switch connection circuits of the mold to be detected that control the slider advance signal are normal, otherwise, the travel switch connection circuits may be connected incorrectly or have a travel switch fault, and further, if K1 is not turned on, K3 and K4 are turned on, it indicates that C6 may have a fault or have a connection error; if K1 and K4 are not bright and K3 is bright, C5 may be failed or the connection is wrong; if none of K1, K3 and K4 are bright, it indicates that C4 may be faulty or its connection is incorrect. Similarly, when the three sliders retract simultaneously, if the indicator lights of the second relay K2, the fifth relay K5 and the sixth relay K6 are turned on simultaneously, it indicates that the three travel switch connection circuits of the control slider retraction signals of the die to be detected are normal, otherwise, the travel switch connection circuits may be connected in error or the travel switches may be in fault, and further, if the K2 is not turned on, the K5 and the K6 are turned on, it indicates that the a6 may be in fault or the connection thereof is in error; if K2 and K6 are not bright and K5 is bright, it indicates that A5 may be in fault or connection error; if none of K2, K5, and K6 are bright, it indicates that a4 may be faulty or its connection is incorrect.
Further as an alternative embodiment, the plug is one of an eight pin plug, a twelve pin plug, and a sixteen pin plug.
Specifically, different plugs can be selected according to the number of sets of the mold travel switches to be detected, as shown in fig. 4, a sixteen-pin plug is selected in the present embodiment.
Referring to fig. 5, as a further alternative embodiment, the travel switch connection detection circuit further includes a first connection terminal 201, a second connection terminal 202, a third connection terminal 203, a fourth connection terminal 204, a fifth connection terminal 205, a sixth connection terminal 206, a seventh connection terminal 207, and an eighth connection terminal 208, the first connection terminal 201 is connected in series between the first pin 101 and the positive electrode of the first power source E1, the second connection terminal 202 is connected in series between the second pin 102 and the negative electrode of the first power source E1, the third connection terminal 203 is connected in series between the third pin 103 and the other end of the first relay K1, the fourth connection terminal 204 is connected in series between the fourth pin 104 and the other end of the second relay K2, and the fifth connection terminal 205 is connected in series between the fifth pin 105 and the other end of the third relay K3, the sixth connection terminal 206 is connected in series between the sixth pin 106 and the other end of the fourth relay K4, the seventh connection terminal 207 is connected in series between the seventh pin 107 and the other end of the fifth relay K5, and the eighth connection terminal 208 is connected in series between the eighth pin 108 and the other end of the sixth relay K6.
Specifically, adopt binding post to make the utility model discloses the connection of each component is more convenient among the travel switch connection detection circuitry.
Referring to fig. 5, as a further alternative embodiment, the travel switch connection detection circuit further includes a first control switch S1, and the first control switch S1 is connected in series between the first connection terminal 201 and the positive electrode of the first power source E1.
Specifically, the first control switch S1 is connected in series with the first power source E1, and the operation of the stroke switch connection detection sub-assembly is controlled by the first control switch S1.
Referring to fig. 1 and 3, as a further alternative embodiment, the travel switch signal connection detection sub-device further includes a second detection box, a first electrical connector 301 and a second electrical connector 302 disposed outside the second detection box, and a travel switch signal detection circuit disposed inside the second detection box, and the travel switch signal detection circuit is connected to the electrical connectors.
Specifically, when the detection device is used, only one group of travel switches of the to-be-detected slider needs to be respectively connected to the first electrical connector 301 and the second electrical connector 302, and the one group of travel switches of the to-be-detected slider can be detected through the travel switch signal detection circuit.
Referring to fig. 6 and 7, further as an alternative embodiment, the first electrical connector 301 includes a first interface 3011, a second interface 3012 and a third interface 3013, the second electrical connector 302 includes a fourth interface 3021, a fifth interface 3022 and a sixth interface 3023, the travel switch signal detection circuit includes a seventh relay K7, an eighth relay K8, and a second power source E2, the seventh relay K7 and the eighth relay K8 each have an indicator lamp, the positive electrode of the second power supply E2 is connected to the first port 3011 and the fourth port 3021, a negative electrode of the second power source E2 is connected to one end of the seventh relay K7, one end of the eighth relay K8, the third port 3013, and the sixth port 3023, the other end of the seventh relay K7 is connected to the second port 3012, and the other end of the eighth relay K8 is connected to the fifth port 3022.
Specifically, when a set of three-wire travel switches are detected, the first interface 3011 and the fourth interface 3021 are respectively connected to brown signal lines of the set of three-wire travel switches, the third interface 3013 and the sixth interface 3023 are respectively connected to blue signal lines of the set of three-wire travel switches, and the second interface 3012 and the fifth interface 3022 are respectively connected to black signal lines of the set of three-wire travel switches; when a group of two-wire travel switches are detected, the first interface 3011 and the fourth interface are respectively connected to brown signal lines of the group of two-wire travel switches, and the second interface 3012 and the fifth interface 3022 are respectively connected to blue signal lines of the group of two-wire travel switches.
Taking fig. 6 as an example, a1 and C1 are a set of three-wire travel switches of the slider, a1 corresponds to the back signal, and C1 corresponds to the forward signal. When the control slide block moves forwards, if an indicator light of the seventh relay K7 is turned on, the travel switch C1 can work normally; when the control slide block moves back, if an indicator light of the eighth relay K8 is turned on, the stroke switch A1 can work normally.
Similarly, for the detection of the two-wire travel switch shown in fig. 7, a4 and C4 are a set of two-wire travel switches of the slider, a4 corresponds to the backward signal, and C4 corresponds to the forward signal. When the control slide block moves forwards, if an indicator light of the seventh relay K7 is turned on, the travel switch C4 can work normally; when the control slide block moves back, if an indicator light of the eighth relay K8 is turned on, the stroke switch A4 can work normally.
Referring to fig. 6 and 7, as a further alternative embodiment, the stroke switch signal detection circuit further includes a second control switch S2, and the second control switch S2 is connected in series between the positive electrode of the second power supply E2 and the first interface 3011 and the fourth interface 3021.
Specifically, the second control switch S2 is connected in series with the second power supply E2, and the operation of the stroke switch signal detection sub-device is controlled by the second control switch S2.
Further alternatively, the first power source is one of a dry cell battery, a storage battery and a lithium battery, and the second power source is one of a dry cell battery, a storage battery and a lithium battery.
Specifically, in order to avoid the power supply from shaking in the detection box, structures such as a battery compartment can be arranged in the detection box.
Further as an alternative embodiment, the first detection box and the second detection box are cast aluminum electronic boxes.
Specifically, cast aluminium electronic box has the light, anti-oxidant advantage of quality, uses cast aluminium electronic box to do the detection case and can let the utility model discloses portable and save.
The above description is about the travel switch connection detection sub-device and the travel switch signal detection sub-device of the present invention, and the present invention is further explained and explained with reference to the drawings and the specific embodiments of the present invention.
In the production installation of mould, detect all inevitable and have the careless hourglass to travel switch alone or to the connecting circuit of multiunit travel switch on the mould, the utility model discloses can detect its a set of travel switch before the installation of mould slider, accomplish and connect the circuit after all slider installations, detect multiunit travel switch's connecting circuit again, so both can guarantee that the connecting circuit of multiunit travel switch on the mould is normal, can also carry out the secondary to travel switch and detect.
As shown in fig. 6 and 7, the stroke switch signal detection sub-device of the present invention can detect a set of stroke switches on the slider. Before the die slide block is installed, a group of travel switches of the slide block are respectively connected to a first electrical appliance connector 301 and a second electrical appliance connector 302 of a travel switch signal detection sub-device, then the slide block is controlled to respectively move forwards and backwards, and whether the corresponding travel switches are normal or not is detected according to the working states of a seventh relay K7 and an eighth relay K8. As can be seen from fig. 6 and 7, the stroke switch signal detection sub-device of the present invention is suitable for three-wire and two-wire stroke switches without changing the internal circuit of the stroke switch signal detection sub-device.
As shown in fig. 5, 8 and 9, the travel switch connection detection sub-device of the present invention can detect the connection circuit of multiple sets of travel switches on the mold. After all the sliding blocks of the die are installed and connected with the circuit, the plug of the travel switch connection detection sub-device is connected into the socket of the electric box of the die to be detected, then the three sliding blocks are controlled to move forwards or backwards simultaneously, and whether the connection circuit of the travel switch is normal or not is detected according to the working states of the first relay K1-K6. As can be seen from fig. 8 and 9, the travel switch connection detection sub-device of the present invention is suitable for three-wire travel switches and two-wire travel switches, and does not need to change the internal circuit of the travel switch connection detection sub-device.
The utility model relates to a mould travel switch detection device, including travel switch connection detection sub-device, travel switch connection detection sub-device includes first detection case, sets up the plug outside first detection case and sets up the travel switch connection detection circuit in first detection case inside, travel switch connection detection circuit with the plug is connected, only need during the use with the plug inserts the socket of the mould electronic box that detects, connects detection circuit through travel switch and can detect whether the connecting circuit of the multiunit travel switch of the mould that detects is normal, if abnormal can further detect the fault location, efficient and very reliable; the travel switch signal connection detection sub-device comprises a second detection box, a first electrical appliance connector and a second electrical appliance connector which are arranged outside the second detection box, and a travel switch signal detection circuit which is arranged inside the second detection box, when the travel switch signal connection detection sub-device is used, only one group of travel switches of the slide block to be detected are respectively connected to the first electrical appliance connector and the second electrical appliance connector, and the group of travel switches of the slide block to be detected can be detected through the travel switch signal detection circuit, so that convenience is brought; the utility model discloses not only can be used to three-wire system travel switch and connecting circuit's detection, still can be used to two-wire system travel switch and connecting circuit's detection, application scope is wide.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.
Claims (8)
1. The utility model provides a mould travel switch detection device which characterized in that: the stroke switch connection detection sub-device comprises a first detection box, a plug arranged outside the first detection box and a stroke switch connection detection circuit arranged inside the first detection box, wherein the stroke switch connection detection sub-device comprises a stroke switch, and the stroke switch connection detection circuit is connected with the plug.
2. The mold position switch detection device of claim 1, wherein: the plug comprises a first pin, a second pin, a third pin, a fourth pin, a fifth pin, a sixth pin, a seventh pin and an eighth pin, the travel switch connection detection circuit comprises a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay and a first power supply, the first relay, the second relay, the third relay, the fourth relay, the fifth relay and the sixth relay are all provided with indicating lamps, the first pin is connected with the positive pole of the first power supply, the negative pole of the first power supply is respectively connected with one end of the first relay, one end of the second relay, one end of the third relay, one end of the fourth relay, one end of the fifth relay, one end of the sixth relay and the second pin, the other end of the first relay is connected with the third pin, the other end of the second relay is connected with the fourth pin, the other end of the third relay is connected with the fifth pin, the other end of the fourth relay is connected with the sixth pin, the other end of the fifth relay is connected with the seventh pin, and the other end of the sixth relay is connected with the eighth pin.
3. The mold position switch detecting device according to claim 2, wherein: the plug is one of eight-pin plug, twelve-pin plug and sixteen-pin plug.
4. The mold position switch detecting device according to claim 2, wherein: the travel switch connection detection circuit further comprises a first wiring terminal, a second wiring terminal, a third wiring terminal, a fourth wiring terminal, a fifth wiring terminal, a sixth wiring terminal, a seventh wiring terminal and an eighth wiring terminal, wherein the first wiring terminal is connected in series between the first pin and the positive electrode of the first power supply, the second wiring terminal is connected in series between the second pin and the negative electrode of the first power supply, the third wiring terminal is connected in series between the third pin and the other end of the first relay, the fourth wiring terminal is connected in series between the fourth pin and the other end of the second relay, the fifth wiring terminal is connected in series between the fifth pin and the other end of the third relay, and the sixth wiring terminal is connected in series between the sixth pin and the other end of the fourth relay, the seventh wiring terminal is connected in series between the seventh pin and the other end of the fifth relay, and the eighth wiring terminal is connected in series between the eighth pin and the other end of the sixth relay.
5. The mold position switch detection device of claim 4, wherein: the travel switch connection detection circuit further comprises a first control switch, and the first control switch is connected between the first wiring terminal and the positive electrode of the first power supply in series.
6. The mold position switch detection device of claim 1, wherein: the travel switch signal connection detection sub-device comprises a second detection box, a first electrical appliance connector and a second electrical appliance connector which are arranged outside the second detection box, and a travel switch signal detection circuit arranged inside the second detection box, wherein the travel switch signal detection circuit is connected with the electrical appliance connectors.
7. The mold position switch detection device of claim 6, wherein: the first electrical appliance connector comprises a first interface, a second interface and a third interface, the second electrical appliance connector comprises a fourth interface, a fifth interface and a sixth interface, the travel switch signal detection circuit comprises a seventh relay, an eighth relay and a second power supply, the seventh relay and the eighth relay are provided with indicating lamps, the anode of the second power supply is respectively connected with the first interface and the fourth interface, the cathode of the second power supply is respectively connected with one end of the seventh relay, one end of the eighth relay, the third interface and the sixth interface, the other end of the seventh relay is connected with the second interface, and the other end of the eighth relay is connected with the fifth interface.
8. The mold position switch detecting device according to claim 7, wherein: the travel switch signal detection circuit further comprises a second control switch, and the second control switch is connected in series between the anode of the second power supply and the first interface and between the anode of the second power supply and the fourth interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925797.7U CN212781120U (en) | 2020-05-27 | 2020-05-27 | Die travel switch detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020925797.7U CN212781120U (en) | 2020-05-27 | 2020-05-27 | Die travel switch detection device |
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| CN212781120U true CN212781120U (en) | 2021-03-23 |
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| CN202020925797.7U Active CN212781120U (en) | 2020-05-27 | 2020-05-27 | Die travel switch detection device |
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