CN212397834U

CN212397834U - In-mold delivery error prevention mechanism for conductive strip

Info

Publication number: CN212397834U
Application number: CN202020510249.8U
Authority: CN
Inventors: 张文斌; 张百辰
Original assignee: Dongguan Jinshangjia Die Technology Co ltd
Current assignee: Dongguan Jinshangjia Die Technology Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-01-26
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses an in-mold mistaken feeding prevention mechanism for a conductive strip material, which comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold seat plate, an upper padding plate, a male splint, a stripping plate and a stripping plate which are sequentially arranged from top to bottom, and further comprises a first insulating sleeve, a second insulating sleeve, a conductive induction needle, a lead and a reset spring; the first insulating sleeve is arranged on the stripping plate, and a blind hole with a downward opening is formed in the first insulating sleeve; the second insulating sleeve penetrates through the stripper plate; a through hole communicated with the blind hole is formed in the second insulating sleeve, the conductive induction needle is movably arranged in the through hole in a penetrating mode, a limiting shoulder is formed at one end, extending into the blind hole, of the conductive induction needle, and the outer diameter of the limiting shoulder is larger than the inner diameter of the through hole and smaller than the inner diameter of the blind hole; the reset spring is abutted between the limiting shoulder and the bottom of the blind hole. The utility model discloses whether the external power of cooperation can detect the stroke of electrically conductive strip material pay-off correct.

Description

In-mold delivery error prevention mechanism for conductive strip

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to a conducting material prevents mistake in mould and send mechanism.

Background

In modern manufacturing industry, dies such as stamping dies, forging dies, die-casting dies and the like are one of important tools for industrial production of various parts; with the development of the improvement of living standard, various materials of people need to be gradually increased, and correspondingly, the production speed of the die needs to be improved; however, as the production speed of the die is increased, the feeding speed of the die is also increased, and when the feeding speed of the die is too high, the stroke of feeding the bar materials is prone to being wrong, so that the die is damaged in the production process, the frequency of maintaining the die by an operator is increased, and the production operation time of the die is finally wasted.

Thus, the prior art is subject to improvement and advancement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the problem among the above-mentioned prior art, provide a prevent mistake and send mechanism in mould of conductive strip material, the purpose is: the feeding stroke of the conductive strip material with the conductive performance can be detected to be correct by matching with an external power supply and an industrial control system, and a corresponding in-mold hardware basis is provided for automatic detection of the conductive strip material.

In order to solve the technical problem, the utility model adopts the following technical scheme that the in-mold mistaken feeding prevention mechanism for the conductive strip comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold seat plate, an upper backing plate, a male splint, a stripping plate and a stripping plate which are sequentially arranged from top to bottom, and further comprises a first insulating sleeve, a second insulating sleeve, a conductive induction needle, a lead and a reset spring; the first insulating sleeve is arranged on the stripping plate, and a blind hole with a downward opening is formed in the first insulating sleeve; the second insulating sleeve penetrates through the stripper plate; a through hole communicated with the blind hole is formed in the second insulating sleeve, the conductive induction needle is movably arranged in the through hole in a penetrating mode, a limiting shoulder is formed at one end, extending into the blind hole, of the conductive induction needle, and the outer diameter of the limiting shoulder is larger than the inner diameter of the through hole and smaller than the inner diameter of the blind hole; the reset spring is abutted between the limiting shoulder and the bottom of the blind hole; one end of the wire is used for being connected with a power supply, and the other end of the wire penetrates through the stripper plate and the second insulating sleeve in sequence and then is electrically connected with the conductive induction needle.

As a further elaboration of the above technical solution:

in the above technical scheme, the lower die is provided with a first avoiding hole matched with the conductive sensing needle, and the inner diameter of the first avoiding hole is larger than the diameter of the conductive sensing needle.

In the technical scheme, the material taking-off device further comprises a material stopping pin, the material stopping pin is arranged on the material taking-off plate, and a second avoiding hole matched with the material stopping pin is formed in the lower die.

In the technical scheme, the diameter of the material blocking pin is larger than that of the conductive induction needle, and the distance between the material blocking pin and the conductive induction needle is equal to the feeding step distance of the strip.

In the above technical scheme, the length of the conductive sensing needle penetrating through the stripper plate in the free state of the return spring is greater than the length of the stop pin penetrating through the stripper plate.

In the technical scheme, the upper die base plate, the upper base plate and the male splint are fixedly connected; the upper padding plate is movably connected with the stripping plate through an equal-height sleeve, and a nitrogen spring is abutted between the upper padding plate and the stripping plate; the stripper plate is fixedly connected with the stripper plate.

In the above technical scheme, the upper portion of the first insulating sleeve extends out of the stripper plate, and the male clamping plate is provided with a third avoiding hole matched with the first insulating sleeve.

In the above technical scheme, the conductive sensing needle is made of stainless steel, and the first insulating sleeve and the second insulating sleeve are made of ceramic materials.

The utility model has the advantages that one of the two is that, the utility model is provided with a plurality of pinholes for the conductive sensing needles to pass through according to the feeding step interval of the conductive strip material during the operation, and simultaneously the conductive sensing needles and the conductive strip material are electrically connected to the same power supply with the short circuit protection function, and whether the conductive sensing needles and the conductive strip material are in contact determines the power supply and whether the conductive sensing needles and the conductive strip material are in an open circuit or short circuit state during the die assembly process, thereby realizing the monitoring of whether the feeding of the conductive strip material is mistaken; secondly, if the power triggers after the short-circuit protection can also to the punch press emergence signal of going up the mould uplink and downlink in the control, receive the control by the punch press and go up the mould and stop down after the signal, at this in-process, the conversion of signal and transmission need certain time to make and go up the mould and can continue down certain distance, and electrically conductive response needle movable mounting's structure makes electrically conductive response needle can retract in the first insulation cover, effectively avoids electrically conductive strip pay-off to have the mould that the mistake leads to beat badly.

Drawings

FIG. 1 is a sectional view showing the mold opened state of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Fig. 1-2 illustrate the embodiment of the utility model relates to a prevent mistake in mould of conducting bar material and send mechanism, refer to fig. 1-2, a prevent mistake in mould of conducting bar material and send mechanism, including last mould and lower mould 1, go up the mould and include from the top down last mold base plate 2, upper padding plate 3, public splint 4 that set up in order, take off backplate 5 and take off flitch 6. The upper die further comprises a first insulating sleeve 7, a second insulating sleeve 8, a conductive induction needle 9, a lead 10 and a return spring 11. The first insulating sleeve 7 penetrates through the stripper plate 5 and is fixedly connected with the stripper plate 5; a blind hole 12 with a downward opening is arranged in the first insulating sleeve 7. The second insulating sleeve 8 is arranged on the stripper plate 6 in a penetrating manner, specifically: a first countersunk hole with a large upper part and a small lower part penetrates through the stripper plate 6, the second insulating sleeve 8 is arranged in the first countersunk hole in a penetrating manner, a first limiting flange 18 with the same shape and size as the large-diameter section on the upper part of the first countersunk hole is formed on the upper part of the second insulating sleeve 8, the second insulating sleeve 8 is limited to descend through the matching of the first limiting flange and the countersunk hole, and the stripper plate 6 is fixedly connected with the stripper plate 5, the lower end of the first insulating sleeve 7 or the lower wall of the stripper plate 5 tightly props against the upper wall of the second insulating sleeve 8, so that the second insulating sleeve 8 is limited to ascend, and the mounting stability of the second insulating sleeve 8 is improved. A through hole communicated with the blind hole 12 is formed in the second insulating sleeve 8, the conductive induction needle 9 is movably arranged in the through hole in a penetrating manner, and a limiting shoulder 13 is formed at one end, extending into the blind hole 12, of the conductive induction needle 9; the outer diameter of the limiting shoulder 13 is larger than the inner diameter of the through hole and smaller than the inner diameter of the blind hole 12, so that the limiting shoulder 13 can only move in the blind hole 12, and the conductive sensing needle 9 is prevented from falling under the action of self gravity. The return spring 11 rests between the stop shoulder 13 and the bottom of the blind hole 12. The lead 10 sequentially penetrates through the stripper plate 6 and the second insulating sleeve 8 and then is electrically connected with the conductive induction needle 9.

The utility model discloses when using, wire 10 is connected with the external positive polar line that has the power of short-circuit protection function, and arranges on the electrically conductive strip material equidistantly and is provided with a plurality of pinholes, and the interval of two adjacent pinholes equals the pay-off step pitch of electrically conductive strip material, and the negative pole line of this power is through the brush that is located mould pan feeding mouth one side and electrically conductive strip material sliding fit and form electric connection simultaneously. In an initial state, the conductive induction needle 9 is not in contact with the conductive strip material, and a loop formed by the conductive induction needle 9, the lead wire 10, the power supply, the electric brush and the conductive strip material is in an open circuit state; when the conductive induction needle 9 is in contact with the conductive strip material, a loop formed by the conductive induction needle 9, the lead 10, the power supply, the electric brush and the conductive strip material is in a short circuit state, the short circuit protection function of the power supply is triggered, and meanwhile, the power supply can also send a short circuit alarm signal to a punch press for controlling the upper die to move up and down.

Further, a first avoiding hole 14 matched with the conductive induction needle 9 is formed in the lower die 1, and the inner diameter of the first avoiding hole 14 is larger than the diameter of the conductive induction needle 9; in the existing mold, the lower mold 1 is usually made of a metal material, specifically, the lower mold plate, the lower cushion plate, the lower mold seat plate, the lower mold cushion block and the like in the lower mold 1 are usually made of cast iron materials, and the cast iron has conductivity; if electrically conductive response needle 9 with lower mould 1 touches, lead to easily electrically conductive strip material with electrically conductive response needle 9 passes through 1 indirect switch-on of lower mould, and then cause the false alarm of power, and the utility model discloses a lower mould 1 goes up the shaping and goes out first hole 14 of keeping away has reduced the alert probability of power wrong report.

The material stopping device further comprises a material stopping pin 15 matched with a pin hole of the conductive strip material, wherein the material stopping pin 15 is arranged on the stripper plate 6, the lower end of the material stopping pin 15 is conical, and the material stopping pin 15 is inserted into the pin hole of the conductive strip material downwards in the die closing process to perform the functions of positioning and stopping the conductive strip material; and a second clearance hole 16 matched with the material blocking pin 15 is formed in the lower die 1.

Further, the diameter of the material blocking pin 15 is larger than that of the conductive induction needle 9, the distance between the material blocking pin 15 and the conductive induction needle 9 is equal to the feeding step distance of the strip material, so that in the process of die assembly, the material blocking pin 15 and the conductive induction needle 9 can be respectively inserted into two adjacent pin holes in the conductive strip material, and the conductive induction needle 9 cannot be in contact with the conductive strip material when inserted into the pin holes due to the fact that the diameter of the conductive induction needle 9 is smaller than that of the material blocking pin 15.

Further, electrically conductive response needle 9 is in wear out under the 11 free state of reset spring the length of taking off flitch 6 is greater than keep off the material round pin 15 and wear out take off the length of flitch 6, make the utility model discloses can earlier by electrically conductive response needle 9 detects earlier whether pay-off of electrically conductive strip material is correct, again by keep off the material round pin 15 and carry out accurate location, keep off the material with the pinhole cooperation of electrically conductive strip material. The condition that parts in the die are damaged under the condition of wrong feeding is avoided to a limited extent.

Further, the upper die base plate 2, the upper base plate 3 and the male splint 4 are fixed in a screwed manner; the upper padding plate 4 and the stripper plate 6 are movably connected through an equal-height sleeve (not shown in the figure), and a nitrogen spring (not shown in the figure) is abutted between the upper padding plate 3 and the stripper plate 6; the stripper plate 6 is fixedly connected with the stripper plate 6.

Furthermore, the upper part of the first insulating sleeve 7 extends out of the backing plate 5, and a third avoiding hole 17 matched with the first insulating sleeve 7 is formed in the male clamping plate 4.

Further, first insulating cover 7 with second insulating cover 8 is ceramic material, and ceramic material itself has better insulating properties, still has advantages such as wear-resisting, non-deformable simultaneously, can play with electrically conductive response needle 9 with the effect that other parts of last mould cut off can also be guaranteed after long-time the gliding precision of electrically conductive response needle 9 simultaneously. The conductive induction needle 9 is made of stainless steel.

The utility model discloses during the compound die, by external punch press drive go up the mould down. If the feeding of the conductive strip materials is wrong: the conductive induction needle 9 directly touches the conductive strip material, the power supply triggers short circuit protection and sends a short circuit signal to the punch, and the punch controls the upper die to stop die assembly and give an alarm after receiving the short circuit signal; in the process that the conductive induction needle 9 and the conductive strip material contact the punch press to control the upper die to stop die closing, a certain time is required for signal conversion and transmission to enable the upper die to continuously descend for a certain distance, the conductive induction needle 9 can slide upwards into the first insulating sleeve 7, after the upper die is opened, the reset spring 11 drives the conductive induction needle 9 to reset downwards, and a workpiece and the die are well protected. If the feeding of the conductive strip is correct: the conductive induction needle 9 is located after penetrating through the pin hole of the conductive strip material in the first clearance hole 14, the power supply does not trigger short circuit protection, and meanwhile the material blocking pin 15 is inserted into the pin hole of the conductive strip material, the material blocking pin 15 is in clearance fit with the pin hole, and accurate positioning and material blocking of the material blocking pin 15 on the conductive strip material are achieved.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The in-mold mistaken feeding prevention mechanism for the conductive strip comprises an upper mold and a lower mold, wherein the upper mold comprises an upper mold seat plate, an upper padding plate, a male clamping plate, a stripping plate and a stripping plate which are sequentially arranged from top to bottom; the first insulating sleeve is arranged on the stripping plate, and a blind hole with a downward opening is formed in the first insulating sleeve; the second insulating sleeve penetrates through the stripper plate; a through hole communicated with the blind hole is formed in the second insulating sleeve, the conductive induction needle is movably arranged in the through hole in a penetrating mode, a limiting shoulder is formed at one end, extending into the blind hole, of the conductive induction needle, and the outer diameter of the limiting shoulder is larger than the inner diameter of the through hole and smaller than the inner diameter of the blind hole; the reset spring is abutted between the limiting shoulder and the bottom of the blind hole; one end of the wire is used for being connected with a power supply, and the other end of the wire penetrates through the stripper plate and the second insulating sleeve in sequence and then is electrically connected with the conductive induction needle.

2. The in-mold mis-feeding prevention mechanism for the conductive strip material as claimed in claim 1, wherein a first avoiding hole matched with the conductive sensing needle is formed in the lower mold, and an inner diameter of the first avoiding hole is larger than a diameter of the conductive sensing needle.

3. The in-mold mistaken feeding prevention mechanism of the conductive strip material is characterized by further comprising a material blocking pin, wherein the material blocking pin is arranged on the material releasing plate, and a second avoiding hole matched with the material blocking pin is formed in the lower mold.

4. The in-mold mis-feeding prevention mechanism for conductive strip material as claimed in claim 3, wherein the diameter of the material blocking pin is larger than the diameter of the conductive sensing needle, and the distance between the material blocking pin and the conductive sensing needle is equal to the feeding step of the strip material.

5. The in-mold mis-feeding prevention mechanism for conductive strip material as claimed in claim 4, wherein the length of the conductive sensing needle penetrating out of the stripper plate in the free state of the return spring is longer than the length of the stop pin penetrating out of the stripper plate.

6. The in-mold mis-feeding prevention mechanism for conductive bar material as claimed in any one of claims 1 to 5, wherein the upper mold base plate, the upper backing plate and the male clamping plate are fixedly connected; the upper padding plate is movably connected with the stripping plate through an equal-height sleeve, and a nitrogen spring is abutted between the upper padding plate and the stripping plate; the stripper plate is fixedly connected with the stripper plate.

7. The in-mold mis-feeding prevention mechanism for conductive strip material as claimed in claim 6, wherein an upper portion of the first insulating sleeve extends out of the stripper plate, and the male clamping plate is provided with a third avoiding hole matched with the first insulating sleeve.

8. The in-mold mis-feeding prevention mechanism for conductive strip as claimed in claim 1, wherein the conductive sensing pin is made of stainless steel, and the first insulating sleeve and the second insulating sleeve are made of ceramic.