CN213440985U - Signal detector and mold - Google Patents

Abstract

The utility model provides a signal detector and mould, signal detector include power, indicating device and signal transmission device, and signal transmission device's quantity is two at least, and two signal transmission device are parallelly connected, and head, power, indicating device and signal transmission device electrical connection form detection circuitry. Compared with the prior art, the utility model provides a signal detector can detect the slider before the mould assembles the injection molding machine or whether the stroke of loosing core arrives, has alleviateed the accent mould worker and has assembled the work load of injection molding machine with the mould, reduces the dangerous coefficient of injection molding machine platform test and debugging on the mould pincers worker, reduces the production efficiency of injection molding machine platform because of detecting and debugging influence, has practiced thrift human cost and board occupation ratio, improves the production efficiency of pincers worker and injection molding machine. Through setting up the casing, can prevent dust, dampproofing anticollision to effectively protect internal circuit, improve the reliability and the security of detector.

Description

Signal detector and mold

Technical Field

The utility model relates to an injection mold detects technical field, especially relates to a signal detector and mould.

Background

At present, the mold is required to be precise, intelligent and controllable in injection molding production, particularly, a sliding block and a loose core of a large mold are driven by an oil cylinder, and each sliding block or loose core driven by the common oil cylinder is additionally provided with two signal switches for induction forward and backward movement. Before the mold is closed, the oil cylinder pushes the sliding block to move towards the mold core, after the sliding block reaches a designated position according to a designed stroke, a contact head of the sliding block driven by the oil cylinder can contact a signal switch, the signal switch feeds contact information back to the injection molding machine, the injection molding machine cuts off oil pressure, the oil cylinder pushing the sliding block stops moving under the condition of no oil pressure, the injection molding machine converts the information into mold closing action after cutting off the oil pressure, and the mold is closed successfully; after the mold is opened, the injection molding machine drives the sliding block to leave the mold core by using oil pressure, the sliding block runs to a specified position according to a designed stroke, the collision head of the sliding block contacts a signal switch, the signal switch feeds contact information back to the injection molding machine, the injection molding machine cuts off the oil pressure, an oil cylinder driving the sliding block stops moving under the condition of no oil pressure, after the sliding block finishes the action, the injection molding machine finishes the ejection action, after a product is taken out, the ejector pin returns to the position, the oil cylinder pushes the sliding block to run towards the mold core, after the specified position is reached according to the designed stroke, the mold is closed, and a process from closing the mold to.

If the stroke information of the sliding block driven by the oil cylinder is not fed back to the injection molding machine during production of the mold, the mold is crushed by directly opening and closing the mold, the injection molding machine is seriously damaged, and the mold cannot be normally produced subsequently, so that the mold is required to detect and debug whether the stroke of the sliding block driven by the oil cylinder is correct before the injection molding machine is assembled for production, and the induction switch is required to sense whether a signal can be sent and send information to the injection molding machine; when the slider signal is found to be abnormal in production, the slider signal is required to be repaired in time, an injection molding machine matched with a large-scale mold is large, the overhauling and debugging are difficult, the labor intensity of workers is high, the danger coefficient is large, and the time cost of equipment and related personnel is wasted.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a signal detector, it can detect the slider before the mould assembles the injection molding machine or whether the stroke of loosing core arrives, has alleviateed the work load of transferring the mould person to assemble the mould to the injection molding machine, has practiced thrift human cost and board occupation ratio.

The utility model provides a pair of signal detector, including power, indicating device and signal transmission device, signal transmission device's quantity is two at least, two at least signal transmission device are parallelly connected, the power indicating device with signal transmission device electrical connection forms detection circuitry.

Preferably, the signal transmission device is a three-phase plug.

Preferably, the power supply further comprises a housing, the power supply being disposed within the housing.

Preferably, the indicator is embedded in a through hole extending through the housing.

Preferably, the indicating device is an indicator light.

Preferably, the signal transmission devices are all arranged outside the shell.

Preferably, the power supply is a dc power supply.

The utility model also provides a mould, including the signal switch of response slider advance and retreat and as above signal detector, signal transmission device with signal switch electrical connection.

Compared with the prior art, the utility model provides a signal detector can detect the slider before the mould assembles the injection molding machine or whether the stroke of loosing core arrives, has alleviateed the accent mould worker and has assembled the work load of injection molding machine with the mould, reduces the dangerous coefficient of injection molding machine platform test and debugging on the mould pincers worker, reduces the production efficiency of injection molding machine platform because of detecting and debugging influence, has practiced thrift human cost and board occupation ratio, improves the production efficiency of pincers worker and injection molding machine. Through setting up the casing, can prevent dust, dampproofing anticollision to effectively protect internal circuit, improve the reliability and the security of detector.

The above-mentioned technical characteristics can be combined in various suitable ways or replaced by equivalent technical characteristics as long as the purpose of the invention can be achieved.

Drawings

The invention will be described in more detail hereinafter on the basis of non-limiting examples only and with reference to the accompanying drawings. Wherein:

fig. 1 is a schematic structural diagram of a signal detector according to an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of a signal detector according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating the action of the oil cylinder pushing the slide block before mold closing when the signal detector detects the mold closing according to an embodiment of the present invention;

fig. 4 is a schematic view of the operation of the oil cylinder driving the slider after the die sinking when the signal detector detects according to an embodiment of the present invention.

Description of reference numerals:

1. a battery; 2. an indicator light; 3. a plug; 4. a housing; 5. a through hole; 6. a pin; 7. a wire; 8. a first positive electrode conductive sheet; 9. a first negative conductive sheet; 10. a second positive electrode conductive sheet; 11. a second negative conductive plate; 12. a mold core; 13. fixing a template; 14. an oil cylinder; 15. a slider; 16. a first butt joint; 17. a second collision head; 18. a first signal switch; 19. a second signal switch; 20. a contact of a first signal switch; 21. a contact of a second signal switch; 22. a signal detector.

Detailed Description

For making the purpose, technical solution and advantages of the present invention clearer, it will be right below that the technical solution of the present invention is clearly and completely described, based on the specific embodiments of the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work belong to the scope protected by the present invention.

As shown in fig. 1 and 2, the signal detector 22 provided in this embodiment includes a housing 4, a power supply, an indicating device, and two signal transmission devices, wherein the power supply and the indicating device are connected in series to form an indicating circuit, the two signal transmission devices are connected in parallel to the indicating circuit to form a detecting circuit, and the housing 4 is used for accommodating the power supply. Specifically, casing 4 has the cavity that is used for holding the power, has seted up on casing 4 and has run through inside and outside through-hole 5 of casing 4, and the power is battery 1, and battery 1 installs in the cavity of casing 4, and indicating device is pilot lamp 2, and pilot lamp 2 then inlays the dress in through-hole 5, makes the light that pilot lamp 2 sent can shine casing 4 outside, plays the indicating action. Be provided with the conducting strip of connecting the positive negative pole of battery 1 in the casing 4, specifically, be provided with first positive conducting strip 8 and first negative pole conducting strip 9 on the casing 4 inner wall of seting up through-hole 5 one side, first positive conducting strip 8 and first negative pole conducting strip 9 are located the both sides of through-hole 5 respectively, the positive pole of one of them battery 1 is connected to first positive conducting strip 8, the negative pole of another battery 1 is connected to first negative pole conducting strip 9, pilot lamp 2 is respectively with first positive conducting strip 8 and first negative pole conducting strip 9 electrical connection, thereby make pilot lamp 2 and two batteries 1 three establish ties and form indicating circuit. A second positive conducting strip 10 and a second negative conducting strip 11 are arranged on the inner wall of the other side of the shell 4, and the second positive conducting strip 10 and the second negative conducting strip 11 are respectively connected with the positive pole and the negative pole of the two batteries 1 on the side. The two signal transmission devices are two plugs, the two plugs 3 are positioned outside the shell 4, and the two plugs 3 are respectively connected in parallel to the indicating circuit through the conducting wires 7, so that the two plugs are electrically connected with the power supply and the indicating lamp to form a detection circuit. The plug 3 is provided with at least two pins 6, the pins 6 are provided with a first end and a second end which are connected, the first ends of the two pins 6 of the same plug 3 are respectively connected with a second positive electrode conducting strip 10 and a second negative electrode conducting strip 11 through leads 7, so that the two pins 6 are respectively connected with two ends of the indicating circuit, and the second ends of the two pins 6 of the same plug 3 are used for being inserted into jacks corresponding to the sockets of the signal switch for the forward and backward movement of the induction slide block of the die to be tested and are electrically connected with the signal switch.

Since the receptacle of the signal switch is a standard having three insertion holes, and a two-phase plug standard is generally not available, if a two-phase plug is used, the shape of the plug needs to be changed, which increases the manufacturing cost of the product. The plug 3 in this embodiment is therefore preferably a three-phase plug adapted to a three-jack socket.

The utility model provides a signal detector 22 can be used to the slider 15 action that the large-scale mould hydro-cylinder 14 of short-term test drove and whether target in place. The following describes the detection procedure with reference to fig. 3 and 4:

when the die is not produced on the machine, two signal switches for the forward and backward movement of the induction slide block 15 need to be accurately installed on the die, and the signal switches are ensured to have the function of sending signals in a contact manner; when the injection molding machine is not arranged on a mold, two plugs 3 of the detector are respectively inserted into sockets of two signal switches, the slide block 15 is provided with an adjustable first contact 16 and a second contact 17, the first contact 16 of the slide block 15 is debugged onto a contact 20 of the first signal switch, and the adjustment is carried out until the detector indicator lamp 2 is turned on, so that the first signal switch 18 on the mold can be normally contacted and has the function of sending a signal; the second contact head 17 of the slide block 15 is adjusted to the contact 21 of the second signal switch until the detector indicator lamp 2 is turned on, which indicates that the second signal switch 19 on the mould can be normally contacted and has the function of sending a signal; next, the mold opening and closing is simulated, and the signal detector 22 is further used to detect whether the second signal switch 19 can be used normally: the oil cylinder 14 pushes the slide block 15 to move towards the mold core 12, when a second contact head 17 of the slide block 15 contacts a contact 21 of a second signal switch, the indicator light 2 is on to indicate that the slide block 15 reaches a specified position, the oil cylinder 14 stops running, and the fixed mold plate 13 can move towards the movable mold plate to complete mold closing; next, the oil cylinder 14 drives the sliding block 15 to leave the mold core 12, when the first contact head 16 of the sliding block 15 contacts the contact 20 of the first signal switch, the indicator light 2 is on to indicate that the sliding block 15 reaches the designated position, the oil cylinder 14 stops running to indicate that the mold is opened successfully, and the ejection and material taking actions can be completed.

The utility model provides a signal detector 22 has effectually simplified hydro-cylinder 14 and has driven 15 (loosing core) class mechanism signal detection of slider and debugging process, reduces mould pincers worker intensity of labour and work danger coefficient, improves staff and board production efficiency.

The utility model provides a signal detector 22 is except can being used to detect the slider 15 action that large-scale mould hydro-cylinder 14 drove whether target in place, and the motion piece (loosing core, thimble board etc.) that is driven as power by hydro-cylinder 14 of all other moulds detects and the debugging also can all detect with signal detector 22.

Finally, it should be noted that: the above embodiments and examples are only used to illustrate the technical solution of the present invention, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments and examples, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments or examples may still be modified, or some of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments or examples of the present invention.

Claims (8)

1. A signal detector is characterized by comprising a power supply, an indicating device and signal transmission devices, wherein the number of the signal transmission devices is at least two, the at least two signal transmission devices are connected in parallel, and the power supply, the indicating device and the signal transmission devices are electrically connected to form a detection circuit;

and the signal transmission device is electrically connected with a signal switch which is arranged on the die and used for inducing the sliding block to move forward and backward.

2. The signal detector of claim 1, wherein the signal conduit means is a three-phase plug.

3. The signal detector of claim 1, further comprising a housing, the power source being disposed within the housing.

4. A signal detector as claimed in claim 3 wherein the indicating means is embedded in a through-hole extending through the housing.

5. The signal detector of claim 4, wherein the indicating device is an indicator light.

6. The signal detector of claim 3, wherein the signal transmission devices are each disposed outside the housing.

7. The signal detector of claim 1, wherein the power supply is a dc power supply.

8. A mold comprising a signal switch for sensing the advance and retreat of a slide and the signal detector according to any one of claims 1 to 7, wherein the signal transmission means is electrically connected to the signal switch.

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