Misdelivery detection device and stamping equipment

Abstract

The utility model discloses a miscarriage detection device and stamping equipment, and belongs to the technical field of stamping equipment. The miscarriage detection device and the stamping equipment are used for positioning and detecting the metal material strap, when the metal material strap is accurately positioned, the induction punch descends along with the upper die base and then penetrates through the positioning hole in the metal material strap, the induction punch does not make contact with the hole wall of the positioning hole, and meanwhile the induction punch does not make contact with the hole wall of the positioning hole. An insulating part is arranged at one end, connected with the upper die base, of the induction punch, so that current on the induction punch cannot form a passage; when deviation exists in positioning of the metal material strip, the induction punch descends along with the upper die base and makes contact with the metal material strip, then current on the induction punch forms a path, a signal can be fed back to a control module of stamping equipment through the wire, then sudden stop of the stamping equipment is achieved, and compared with the prior art, induction is more sensitive, and safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping equipment, in particular to a misdelivery detection device and stamping equipment. Background Art

[0002] In existing stamping equipment, the misfeed detection mechanism is a mechanical one. The upward and downward movement of the inductive punch drives the left and right movement of the ejector rod, completing the circuit. This signal is then transmitted to the punch press to cause an emergency stop. During this process, the inductive punch drives the ejector rod through friction. In actual production, the punch is prone to jamming, resulting in sensor failure or insufficient sensitivity, and providing insufficient protection against misfeeds. Utility Model Content

[0003] The purpose of the utility model is to provide a misdelivery detection device and a stamping device, which have more sensitive induction and higher safety.

[0004] To achieve the above objectives, the following technical solutions are provided:

[0005] The misfeed detection device is used to be arranged between the upper die base and the lower die base of the stamping equipment. The upper die base is provided with a stripper plate on the side facing the lower die base. The stripper plate is connected to the upper die base through an elastic member. The misfeed detection device includes:

[0006] An induction punch, one end of which is used to connect to the upper die base, the induction punch being made of metal and provided with an insulating member and a wire, the insulating member being provided at one end of the induction punch;

[0007] A lower template, used to be fixed to the lower die base, and the lower template is provided with an avoidance groove corresponding to the induction punch;

[0008] The insulating sleeve is used to be fixed on the stripping plate. The insulating sleeve is arranged to pass through the stripping plate. The other end of the induction punch can pass through the insulating sleeve and extend into the avoidance groove.

[0009] As an optimal technical solution of the above-mentioned misdelivery detection device, the misdelivery detection device also includes a punch fixing seat, the punch fixing seat is made of insulating material, the punch fixing seat is used to be fixedly connected to the upper die seat, the induction punch includes a limiting portion, the punch fixing seat is provided with a first through hole and a limiting matching portion, the induction punch is passed through the first through hole, and the limiting matching portion can abut against the limiting portion to prevent the induction punch from moving toward the lower die seat.

[0010] As a preferred technical solution of the above-mentioned misdelivery detection device, the misdelivery detection device further includes:

[0011] an upper pad, provided on a side of the upper die base facing the lower die base;

[0012] An upper clamp plate is used to be fixedly connected with the upper die seat to press the upper base plate against the upper die seat.

[0013] The punch fixed seat is fixed to the upper clamp plate, and the insulating piece is clamped between one end of the induction punch and the upper base plate.

[0014] As a preferred technical scheme of the misfeed detection device, the misfeed detection device further comprises a lower base plate located between the lower die plate and the lower die seat, and the lower base plate is fixedly connected with the lower die seat.

[0015] As a preferred technical scheme of the misfeed detection device, the central hole of the insulating sleeve comprises a first hole section and a second hole section in communication with the first hole section.

[0016] The induction punch comprises a rod part and a head part, the outer diameter of the rod part is greater than that of the head part, the rod part is located in the first hole section, one end of the head part is connected to the rod part, the other end of the head part can pass through the second hole section and extend into the avoiding groove, and the inner diameter of the second hole section is smaller than the outer diameter of the rod part.

[0017] As a preferred technical scheme of the misfeed detection device, the induction punch further comprises a connecting part connected between the rod part and the head part, and the outer diameter of the connecting part gradually decreases from the rod part to the head part.

[0018] As a preferred technical scheme of the misfeed detection device, the insulating piece can be elastically deformed.

[0019] As a preferred technical scheme of the misfeed detection device, the other end of the induction punch is provided with a guide part, and the outer diameter of the guide part gradually decreases from the upper die seat to the lower die seat.

[0020] As a preferred technical scheme of the misfeed detection device, one end of the induction punch is provided with a tail part in contact with the insulating piece, and the outer diameter of the tail part is greater than that of the induction punch.

[0021] In order to achieve the above-mentioned purpose, a stamping equipment is also provided, which comprises an upper die seat, a lower die seat, a stripper plate and the misfeed detection device as claimed in any one of the above, one end of the induction punch is connected with the upper die seat, the lower die plate is fixed to the lower die seat, and the insulating sleeve is fixed to the stripper plate.

[0022] Compared with the prior art, the misfeed detection device has the following beneficial effects:

[0023] The mis-sending detection device and the stamping equipment are used for positioning detection of the metal material belt, when the metal material belt is positioned accurately, the induction punch descends along with the upper die holder, and then passes through the positioning hole on the metal material belt, and the induction punch does not contact the hole wall of the positioning hole, meanwhile, one end of the induction punch connected with the upper die holder is provided with an insulating piece, and then the current on the induction punch does not form a passage; when the metal material belt is positioned with deviation, the induction punch descends along with the upper die holder and contacts the metal material belt, and then the current on the induction punch forms a passage, the signal can be fed back to the control module of the stamping equipment through the wire, and then the stamping equipment is stopped urgently, compared with the prior art, the induction is more sensitive, and the safety is higher. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structure schematic view of the mis-sending detection device in the utility model embodiment.

[0025] Figure 2 It is Figure 1 the A enlarged view.

[0026] Reference signs:

[0027] 10, upper die holder;20, lower die holder;30, stripper plate;301, main plate;302, cover plate;40, elastic piece;

[0028] 1, induction punch;11, wire;12, limiting part;13, tail part;14, guide part;15, rod part;16, head part;17, connecting part;2, lower die plate;21, avoiding groove;3, insulating sleeve;31, first hole section;32, second hole section;4, insulating piece;5, punch fixing base;51, limiting matching part;6, upper backing plate;7, upper clamping plate;8, lower backing plate. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the utility model embodiments described and shown in the drawings can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.

[0031] It should be noted that like reference numerals and characters refer to like elements throughout the several views of the drawings. Main or primary reference elements are defined in one drawing and need not be further defined and explained in subsequent drawings.

[0032] In the description of the utility model, it needs to be explained that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, or is the orientation or positional relationship commonly placed when the utility model product is used, and is merely for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "set", "connected" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "above", "upper" and "upper surface" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "under" and "under surface" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0035] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as a limitation on the utility model.

[0036] As Figures 1-2As shown, the embodiment provides a misfeed detection device and a stamping equipment, the stamping equipment comprises an upper die holder 10, a lower die holder 20, a stripper plate 30 and a misfeed detection device, the misfeed detection device is arranged between the upper die holder 10 and the lower die holder 20 to detect the positioning of the metal strip.

[0037] The side of the upper die holder 10 facing the lower die holder 20 is provided with the stripper plate 30, and the stripper plate 30 is connected with the upper die holder 10 through the elastic element 40. It should be noted that the mounting mode and working principle of the upper die holder 10, the lower die holder 20 and the stripper plate 30 are prior art, and will not be described here.

[0038] The misfeed detection device comprises an induction punch 1, a lower die plate 2 and an insulating sleeve 3, one end of the induction punch 1 is connected with the upper die holder 10, the induction punch 1 is made of metal material, the induction punch 1 is provided with an insulating element 4 and a wire 11, the insulating element 4 is arranged at one end of the induction punch 1; the wire 11 is electrically connected with the control module of the stamping equipment, the lower die plate 2 is fixedly arranged on the lower die holder 20, and the lower die plate 2 is provided with an avoiding groove 21 arranged correspondingly with the induction punch 1; the insulating sleeve 3 is fixedly arranged on the stripper plate 30, the insulating sleeve 3 is arranged through the stripper plate 30, and the other end of the induction punch 1 can pass through the insulating sleeve 3 and extend into the avoiding groove 21.

[0039] When the metal strip is positioned accurately, the induction punch 1 descends with the upper die holder 10, thereby penetrating the positioning hole on the metal strip, and the induction punch 1 does not contact the hole wall of the positioning hole, at the same time, one end of the induction punch 1 connected with the upper die holder 10 is provided with the insulating element 4, thereby the current on the induction punch 1 does not form a path; when the metal strip is positioned with deviation, the induction punch 1 descends with the upper die holder 10 and contacts the metal strip, thereby the current on the induction punch 1 forms a path, the signal can be fed back to the control module of the stamping equipment through the wire 11, thereby the stamping equipment is stopped, compared with the prior art, the induction is more sensitive, and the safety is higher.

[0040] Optionally, the misfeed detection device further comprises a punch fixing seat 5, the punch fixing seat 5 is made of insulating material, the punch fixing seat 5 is used for fixedly connecting with the upper die holder 10, the induction punch 1 comprises a limiting portion 12, the punch fixing seat 5 is provided with a first through hole and a limiting matching portion 51, the induction punch 1 is arranged in the first through hole, and the limiting matching portion 51 can abut against the limiting portion 12 to prevent the induction punch 1 from moving towards the lower die holder 20, thereby the insulation of the induction punch 1 is ensured when the metal strip is positioned accurately, and the induction punch 1 is facilitated to be assembled.

[0041] Specifically, the first through hole is a stepped hole, and the step surface of the stepped hole is the limiting matching portion 51, so that the limiting portion 12 abuts against the step surface of the stepped hole to realize limiting, and the structure is simple and easy to realize.

[0042] Optionally, the misfeed detection device further comprises an upper backing plate 6 and an upper clamping plate 7, the upper backing plate 6 is arranged on the side of the upper die holder 10 facing the lower die holder 20, and the upper clamping plate 7 is fixedly connected with the upper die holder 10 to press the upper backing plate 6 against the upper die holder 10, and the punch fixed seat 5 is fixedly arranged on the upper clamping plate 7, and the insulating piece 4 is clamped between one end of the induction punch 1 and the upper backing plate 6, so that the upper die holder 10 can be protected by the upper backing plate 6 to prevent the induction punch 1 from damaging the upper die holder 10.

[0043] Optionally, the stripper plate 30 comprises a main plate 301 and a cover plate 302, one side of the main plate 301 is provided with a mounting groove, the insulating sleeve 3 is arranged in the mounting groove, and the cover plate 302 is arranged on one side of the main plate 301 to close the slot of the mounting groove, the cover plate 302 is provided with a second through hole through which the induction punch 1 passes, and the inner diameter of the second through hole is greater than the outer diameter of the induction punch 1, so that the induction punch 1 cannot come into contact with the inner wall of the second through hole, and the cover plate 302 can also fix the insulating sleeve 3. Illustratively, the two ends of the insulating sleeve 3 respectively abut against the groove bottom wall of the mounting groove and the cover plate 302.

[0044] Optionally, the misfeed detection device further comprises a lower backing plate 8, which is located between the lower die plate 2 and the lower die holder 20, and the lower backing plate 8 is fixedly connected with the lower die holder 20, so as to protect the lower die holder 20.

[0045] Illustratively, the upper die holder 10, the upper backing plate 6 and the upper clamping plate 7 are fastened together by screws. The lower die holder 20, the lower die plate 2 and the lower backing plate 8 are fastened together by screws.

[0046] Optionally, the insulating piece 4 can be elastically deformed, so as to have a buffering effect on the basis of ensuring insulation, and has the effect of protecting the induction punch 1 and the upper backing plate 6.

[0047] Optionally, one end of the induction punch 1 is provided with a tail portion 13 in contact with the insulating piece 4, and the outer diameter of the tail portion 13 is greater than the outer diameter of the induction punch 1, so as to increase the contact area between the induction punch 1 and the insulating piece 4, and has the effect of protecting the insulating piece 4 and prolonging the service life of the insulating piece 4.

[0048] It should be noted that, since the outer diameter of the tail portion 13 is greater than the outer diameter of the induction punch 1, a stepped surface can be formed at the connection between the tail portion 13 and the induction punch 1, which can serve as the above-mentioned limiting portion 12, so as to simplify the structure of the induction punch 1 and facilitate assembly.

[0049] Illustratively, the insulating piece 4 is a gasket made of insulating material.

[0050] Optionally, a guide portion 14 is provided at the other end of the induction punch 1. The outer diameter of the guide portion 14 gradually decreases from the upper die base 10 to the lower die base 20. When there is a deviation in the positioning of the metal strip, the guide portion 14 and the induction punch 1 can penetrate the metal strip, thereby protecting the induction punch 1 and the upper die base 10.

[0051] Optionally, the center hole of the insulating sleeve 3 includes a first hole section 31 and a second hole section 32 connected to the first hole section 31. Optionally, the induction punch 1 includes a rod 15 and a head 16, the outer diameter of the rod 15 is larger than the outer diameter of the head 16, the rod 15 is located in the first hole section 31, one end of the head 16 is connected to the rod 15, and the other end of the head 16 can pass through the second hole section 32 and extend into the avoidance groove 21. The inner diameter of the second hole section 32 is smaller than the outer diameter of the rod 15, and the step surface between the first hole section 31 and the second hole section 32 can limit the rod 15, thereby preventing the induction punch 1 from excessively falling when accidentally damaged, thereby damaging the metal strip and the lower template 2.

[0052] Optionally, the induction punch 1 further includes a connecting portion 17, which is connected between the rod 15 and the head 16. The outer diameter of the connecting portion 17 gradually decreases from the rod 15 toward the head 16, so that when the induction punch 1 is accidentally damaged and falls, the connecting portion 17 contacts the orifice of the second hole section 32 first. The gradual change in the outer diameter of the connecting portion 17 produces a certain buffering effect, which has the effect of protecting the induction punch 1.

[0053] Specifically, from the upper die base 10 to the lower die base 20 , the induction punch 1 includes a tail portion 13 , a rod portion 15 , a connecting portion 17 and a head portion 16 connected in sequence. A guide portion 14 is provided at one end of the head portion 16 away from the rod portion 15 .

[0054] For example, the working principle of the misdelivery detection device of this embodiment is as follows:

[0055] When the stamping equipment starts working, current will be passed through the induction punch 1. At this time, the upper die base 10 has not started to move. The insulation between the induction punch 1 and the upper die base 10 and the stripper plate 30 is ensured by the insulating part 4 and the insulating sleeve 3, so that no path is formed.

[0056] When the induction punch 1 descends with the upper die holder 10, if the metal strip is positioned accurately, the induction punch 1 will pass through the positioning hole of the metal strip, and the induction punch 1 will not be in contact with the hole wall of the positioning hole, in other words, the induction punch 1 will not be in contact with the metal strip, and thus a passage will not be formed, and the stamping equipment will work normally. If the metal strip is positioned with deviation, the positioning hole of the metal strip is also deviated, thus the induction punch 1 can be inserted into the positioning hole, and thus will be in contact with the metal strip, a passage is formed, and the signal is fed back to the control module of the stamping equipment through the wire 11, the stamping equipment can be quickly stopped in a very short time, the protection of the die and the personnel is more effective, more efficient, and higher in safety.

[0057] It should be noted that the above are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A misfeed detection device, which is used to be arranged between an upper die base (10) and a lower die base (20) of a stamping device, wherein a stripper plate (30) is provided on the side of the upper die base (10) facing the lower die base (20), and the stripper plate (30) is connected to the upper die base (10) through an elastic member (40), characterized in that: The misdelivery detection device comprises: An induction punch (1), one end of the induction punch (1) being used for connecting to the upper die base (10), the induction punch (1) being made of metal, the induction punch (1) being provided with an insulating member (4) and a wire (11), the insulating member (4) being provided at one end of the induction punch (1); A lower die plate (2) is used for being fixed to the lower die base (20), and the lower die plate (2) is provided with an avoidance groove (21) corresponding to the induction punch (1); An insulating sleeve (3) is used to be fixed on the stripping plate (30), and the insulating sleeve (3) is arranged to pass through the stripping plate (30). The other end of the induction punch (1) can pass through the insulating sleeve (3) and extend into the avoidance groove (21).

2. The misdelivery detection device according to claim 1, wherein: The misdelivery detection device also includes a punch fixing seat (5), the punch fixing seat (5) is made of insulating material, the punch fixing seat (5) is used to be fixedly connected to the upper die seat (10), the induction punch (1) includes a limiting portion (12), the punch fixing seat (5) is provided with a first through hole and a limiting matching portion (51), the induction punch (1) is passed through the first through hole, and the limiting matching portion (51) can abut against the limiting portion (12) to prevent the induction punch (1) from moving toward the lower die seat (20).

3. The misdelivery detection device according to claim 2, wherein: The misdelivery detection device further comprises: An upper pad (6) is provided on a side of the upper die base (10) facing the lower die base (20); an upper clamping plate (7), the upper clamping plate (7) being used for being fixedly connected to the upper die base (10) so as to press the upper pad (6) against the upper die base (10); The punch fixing seat (5) is fixed to the upper clamping plate (7), and the insulating member (4) is clamped between one end of the induction punch (1) and the upper pad (6).

4. The misdelivery detection device according to claim 1, wherein: The misdelivery detection device further comprises a lower pad (8), the lower pad (8) being located between the lower template (2) and the lower die base (20), and the lower pad (8) being fixedly connected to the lower die base (20).

5. The misdelivery detection device according to claim 1, wherein: The central hole of the insulating sleeve (3) comprises a first hole section (31) and a second hole section (32) communicating with the first hole section (31); The induction punch (1) comprises a rod (15) and a head (16), wherein the outer diameter of the rod (15) is larger than the outer diameter of the head (16), the rod (15) is located in the first hole section (31), one end of the head (16) is connected to the rod (15), and the other end of the head (16) can pass through the second hole section (32) and extend into the avoidance groove (21), and the inner diameter of the second hole section (32) is smaller than the outer diameter of the rod (15).

6. The misdelivery detection device according to claim 5, wherein: The induction punch (1) further comprises a connecting portion (17), wherein the connecting portion (17) is connected between the rod portion (15) and the head portion (16), and the outer diameter of the connecting portion (17) gradually decreases from the rod portion (15) toward the head portion (16).

7. The misdelivery detection device according to claim 5, characterized in that: The insulating member (4) is capable of generating elastic deformation.

8. The misdelivery detection device according to claim 1, wherein: The other end of the induction punch (1) is provided with a guide portion (14), and the outer diameter of the guide portion (14) gradually decreases from the upper die base (10) toward the lower die base (20).

9. The misdelivery detection device according to claim 1, wherein: One end of the induction punch (1) is provided with a tail portion (13) in contact with the insulating member (4), and the outer diameter of the tail portion (13) is larger than the outer diameter of the induction punch (1).

10. Stamping equipment, characterized in that, It comprises an upper die base (10), a lower die base (20), a stripper plate (30) and a misfeed detection device as described in any one of claims 1 to 9, one end of the induction punch (1) is connected to the upper die base (10), the lower die plate (2) is fixed to the lower die base (20), and the insulating sleeve (3) is fixed to the stripper plate (30).

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