CN216324910U

CN216324910U - Flexible detection safety device for in-mold riveting

Info

Publication number: CN216324910U
Application number: CN202123002411.9U
Authority: CN
Inventors: 梅�明; 冯強; 李建
Original assignee: Jiaxing Youjia Metal Products Co ltd
Current assignee: Jiaxing Youjia Metal Products Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-19
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a flexible detection safety device for riveting in a die, which comprises a pair of flexible contact detection safety devices, wherein each flexible contact detection safety device comprises a safety detection rod and a detection ejector rod, and when a rivet on a material belt touches the detection ejector rod, the detection ejector rod is driven to move upwards to touch the safety detection rod, so that the detection effect on the rivet on the material belt can be realized. The utility model has the advantages of sensitive detection, simple structure, convenient and quick assembly and disassembly, long service life of the flexible detection, namely the service life of the spring, and wide applicability of the whole device.

Description

Flexible detection safety device for in-mold riveting

Technical Field

The utility model relates to the field of insurance for a mold, in particular to a flexible detection safety device for riveting in a mold.

Background

Market general insurance status quo and superiority and inferiority for riveting detection

The insurance for the mould that adopts in the existing market generally divide into contact insurance and non-contact insurance, and non-contact insurance is high in price, receives the restriction of punching press environment higher, consequently to vibrating too big and can't totally control the mould internal environment adopt contact insurance more. The contact insurance is divided into rigid contact insurance and flexible contact insurance, EMF in MISUMI is mostly adopted in the rigid insurance, the insurance is sensitive to detect, most of misdelivery detection uses the insurance, but the contact part is easy to wear and cause failure after long-time contact; the flexible safety is provided with a microswitch type, so that the installation and the processing are complex, and the switch is easy to malfunction after being used for a long time; the MFSF range in MISUMI is too low to be used for a long time.

Second, requirement of safety for riveting detection in mould

1. Sensitive detection capability is required to ensure 100% normal, otherwise, defective products will be caused to flow out.

2. The requirement is dismantled simple to operate, can quick replacement after the mould damage phenomenon appears, does not influence and lasts the production capacity.

3. Normal production is required without any impact on the life of the insurance.

4. The quality of the product is not affected when insurance detection is required, so that the pressure is required not to be too large.

5. It is required that the failure to detect the error, i.e., the stoppage of the rivet, is not allowed, and thus it is required that the short-circuit phenomenon is not allowed.

Disclosure of Invention

In order to solve the problems, the utility model provides a flexible detection safety device for in-mold riveting.

The technical scheme of the utility model is as follows: the utility model provides a riveting is with flexible safety device that detects in mould, includes that a pair of flexible contact detects the insurance, and this flexible contact detects the insurance and includes insurance detection pole and detection ejector pin, and the rivet on the material area touches and detects the ejector pin, and the drive detects the ejector pin and goes upward to contact insurance detection pole, can realize the detection effect to the rivet on the material area.

Preferably, the die further comprises an upper die holder, wherein the upper die holder comprises a first upper die holder and a second upper die holder which are connected through an upper cushion block; the second upper die base in be equipped with the insurance fixed block, the insurance measuring stick be fixed in the insurance fixed block, the below of second upper die base is equipped with upper padding plate and punch holder in proper order, the detection ejector pin locate in upper padding plate and punch holder, and detect the ejector pin and locate the below of insurance measuring stick, the upper end of detecting the ejector pin is just right the lower extreme of insurance measuring stick leaves the clearance between the two, flexible contact detects the insurance and still includes that the drive detects the first reset spring that the ejector pin breaks away from the restoration of insurance measuring stick.

As a further preferred option, the middle part of the detection ejector rod is provided with a convex ring, the convex ring is arranged in the upper backing plate and is abutted against the upper part of the upper clamping plate, and the upper end and the lower end of the first reset spring are respectively abutted against the lower end face of the safety fixing block and the upper end face of the convex ring.

As a further preferable mode, a stop plate is arranged below the upper clamping plate, an upper stripping plate is arranged below the stop plate, the lower end of the detection ejector rod is telescopically arranged in the upper stripping plate, and when the upper die base moves downwards, the lower end of the detection ejector rod can extend out of the lower part of the upper stripping plate.

Preferably, the upper end of the safety detection rod is connected with a lead, the lower end of the safety detection rod is a flange, the diameter of the flange is larger than that of the upper end of the safety detection rod, the safety detection rod is arranged in the safety fixing block, a screw plug is arranged above the safety fixing block for fixing, and a second return spring for driving the safety detection rod to return is arranged between the screw plug and the flange of the safety detection rod.

Still more preferably, the safety fixing block is in threaded connection with the second upper die base.

Still more preferably, the material of the safety detection rod and the material of the detection ejector rod are both Cr12, and the material of the safety fixed block is bakelite.

The utility model has the beneficial effects that:

1. the detection pressure can be controlled through the selection of the return spring, and the pressure is controllable.

2. The service life of the flexible detection is the service life of the return spring, at least more than 200 ten thousand times and long service life.

3. The whole device has simple structure, convenient and quick installation and disassembly, sensitive and reliable detection, and can complete detection immediately once the ejector rod and the safety detection rod are in contact.

4. The applicability is wide, the detection of products riveted in the die is general, the quality control of a company is met, the method can be popularized to the market, and the potential is huge.

5. The detection ejector rod and the safety detection rod are machined from Cr12 through heat treatment, the safety fixing block is bakelite, and can be fixedly installed only by machining a fixing hole and selecting a proper spring, and the safety detection rod is fixed on the die holder through threads, is convenient and quick to install and disassemble, is low in cost and approximately 50 yuan.

Drawings

Fig. 1 is a schematic view of the present invention in its original state.

FIG. 2 is a schematic structural diagram of the upper die descending and detecting the state that the ejector rod touches the safety detection rod.

FIG. 3 is a schematic structural diagram of the detection jack of the present invention.

Fig. 4 is a schematic view of the structure of the safety detecting lever of the present invention.

Fig. 5 is a schematic structural diagram of the safety fixing block of the present invention.

Description of reference numerals:

1: a first return spring; 2: a second return spring; 3: an upper cushion block; 4: a safety detecting lever; 5: a first upper die holder; 6: a wire; 7: a plug screw; 8: a safety fixing block; 9: a second upper die holder; 10: an upper base plate; 11: detecting a mandril; 12: an upper splint; 13: a stopper plate; 14: an upper stripping plate; 15: a material belt; 16: a lower template; 17: a lower base plate; 18: a lower die holder; 19: a convex ring; 20: a flange; 21: a thread; 22: blanking male dies; 23: and a push rod.

Detailed Description

The utility model is further explained below with reference to the drawings and examples.

As shown in fig. 1-5, the present invention includes a pair of flexible contact detection fuses, each of which includes a fuse detection rod 4 and a detection ejector rod 11, and when a rivet on a material strip 15 touches the detection ejector rod 11, the detection ejector rod 11 is driven to move upward to touch the fuse detection rod 4, so as to achieve the detection effect on the rivet on the material strip 15.

In the embodiment, the die further comprises an upper die holder, wherein the upper die holder comprises a first upper die holder 5 and a second upper die holder 9 which are connected through an upper cushion block 3; second upper die base 9 in be equipped with insurance fixed block 8, insurance detection pole 4 be fixed in insurance fixed block 8 in, the below of second upper die base 9 is equipped with upper padding plate 10 and punch holder 12 in proper order, detection ejector pin 11 locate in upper padding plate 10 and punch holder 12, and detect ejector pin 11 and locate insurance detection pole 4's below, the upper end that detects ejector pin 11 is just right insurance detection pole 4's lower extreme leaves the clearance between the two, flexible contact detects the insurance and still includes that drive detection ejector pin 11 breaks away from the first reset spring 1 that insurance detection pole 4 resets.

In this embodiment, the middle of the detection ejector rod 11 is provided with a convex ring 19, the convex ring 19 is arranged in the upper cushion plate 10 and abuts against the upper side of the upper clamping plate 12, and the upper end and the lower end of the first return spring 1 respectively abut against the lower end surface of the safety fixing block 8 and the upper end surface of the convex ring 19.

In this embodiment, a stop plate 13 is arranged below the upper clamp plate 12, an upper stripper plate 14 is arranged below the stop plate 13, the lower end of the detection ejector rod 11 is telescopically arranged in the upper stripper plate 14, and when the upper die base moves downwards, the lower end of the detection ejector rod 11 can extend out of the lower part of the upper stripper plate 14. And a mandril 23 and a blanking convex die 22 are arranged between the upper clamping plate 12 and the upper stripper plate 14.

In this embodiment, the upper end of the safety detection rod 4 is connected with a lead 6, and the lead 6 is used for providing a safety feedback signal. The lower extreme of insurance measuring pole 4 is flange 20, and the diameter is greater than the upper end of insurance measuring pole 4, and in insurance measuring pole 4 located insurance fixed block 8, the top of insurance fixed block 8 was equipped with plug screw 7 and fixes, plug screw 7 and insurance measuring pole 4's flange 20 between be equipped with the second reset spring 2 that drive insurance measuring pole 4 resets.

In this embodiment, the safety fixing block 8 is connected to the second upper die base 9 through a thread 21. Only need processing fixed orifices to select suitable second reset spring 2 can fixed mounting, insurance fixed block 8 passes through the screw thread 21 to be fixed on the die holder, and the installation is dismantled convenient and fast, low cost.

In this embodiment, the material of the safety detection rod 4 and the material of the detection ejector rod 11 are both Cr12, and the material of the safety fixing block 8 is bakelite.

The working principle is as follows: a lower template 16 and a lower cushion plate 17 are arranged on a lower die base of the punch, an upper die moves downwards, an upper stripper plate 14 presses a material belt 15 down to be firmly attached to the lower template 16, the die continues to move downwards, the lower end of a detection ejector rod 11 is contacted with a rivet on the material belt 15, the detection ejector rod 11 is propped by the rivet to move upwards, the upper end of the detection ejector rod 11 is contacted with the lower end of a safety detection rod 4 in a safety fixed block 8, then the safety detection rod 4 can continue to move upwards, safety is achieved, and the die continues to work; if the material belt 15 has no rivet, the detection ejector rod 11 and the safety detection rod 4 cannot contact, and the machine tool stops when the die reaches the top dead center. After the mold ascends, the detection ejector rod 11 and the safety detection rod 4 are respectively restored to the original positions under the action of the first return spring 1 and the second return spring 2.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and the like are to be construed broadly, e.g., as meaning fixedly attached, detachably attached, or integrally formed; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a riveting in mould is with flexible safety device that detects, its characterized in that includes that a pair of flexible contact detects the insurance, and this flexible contact detects insurance package insurance detection pole (4) and detects ejector pin (11), and rivet touch on material area (15) detects ejector pin (11), and the drive detects ejector pin (11) and goes upward to contact insurance detection pole (4), can realize the detection effect to the rivet on material area (15).

2. The flexibility detection safety device for in-mold riveting according to claim 1, characterized by further comprising an upper die holder, wherein the upper die holder comprises a first upper die holder (5) and a second upper die holder (9), which are connected through an upper cushion block (3); second upper die base (9) in be equipped with insurance fixed block (8), insurance measuring pole (4) be fixed in insurance fixed block (8) in, the below of second upper die base (9) is equipped with upper padding plate (10) and punch holder (12) in proper order, detection ejector pin (11) locate in upper padding plate (10) and punch holder (12), and detect ejector pin (11) and locate the below of insurance measuring pole (4), the upper end of detecting ejector pin (11) is just right the lower extreme of insurance measuring pole (4), leave the clearance between the two, flexible contact detects the insurance and still detects ejector pin (11) and breaks away from first reset spring (1) that insurance measuring pole (4) reset including the drive.

3. The flexible detection safety device for in-mold riveting according to claim 2, characterized in that a convex ring (19) is arranged in the middle of the detection ejector rod (11), the convex ring (19) is arranged in the upper backing plate (10) and is abutted against the upper side of the upper clamping plate (12), and the upper end and the lower end of the first return spring (1) are respectively abutted against the lower end face of the safety fixing block (8) and the upper end face of the convex ring (19).

4. The flexible detection safety device for in-mold riveting according to claim 3, characterized in that a stop plate (13) is arranged below the upper clamping plate (12), an upper stripper plate (14) is arranged below the stop plate (13), the lower end of the detection ejector rod (11) is telescopically arranged in the upper stripper plate (14), and when the upper mold base descends, the lower end of the detection ejector rod (11) can extend out of the lower part of the upper stripper plate (14).

5. The flexible detection safety device for in-mold riveting according to claim 3, characterized in that the upper end of the safety detection rod (4) is connected with a lead (6), the lower end of the safety detection rod (4) is provided with a flange (20), the diameter of the safety detection rod is larger than that of the upper end of the safety detection rod (4), the safety detection rod (4) is arranged in a safety fixing block (8), a screw plug (7) is arranged above the safety fixing block (8) for fixing, and a second reset spring (2) for driving the safety detection rod (4) to reset is arranged between the screw plug (7) and the flange (20) of the safety detection rod (4).

6. The flexibility detection safety device for in-mold riveting according to claim 5, characterized in that the safety fixing block (8) is connected with the second upper mold base (9) through a thread (21).

7. The flexible detection safety device for in-mold riveting according to claim 5, characterized in that the safety detection rod (4) and the detection ejector rod (11) are both made of Cr12, and the safety fixing block (8) is made of bakelite.