An insert product intelligent detection auxiliary mechanism of a mold

By using magnetic adsorption technology in the intelligent detection auxiliary system for mold insert products, the problem of insert omission or jamming in the existing technology is solved, the accurate positioning and smooth demoulding of the insert are achieved, and the product yield and demoulding convenience are improved.

CN116118104BActive Publication Date: 2025-10-21ZHEJIANG SAIHAO IND CO LTD
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Patent Information

Application Number
CN202310125695.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-01-21
Publication Date
2025-10-21
Estimated Expiration
2043-01-21

AI Technical Summary

Technical Problem

During the injection molding process, inserts are easily missed or stuck, resulting in low product yield and inconvenient demoulding.

Method used

An intelligent detection auxiliary mechanism for mold inserts was designed. Magnetic parts were used to adsorb the inserts, combined with micro switches and elastic parts to ensure accurate positioning and smooth demolding of the inserts. The micro switches communicated with the injection molding machine operating system to achieve intelligent detection.

Benefits of technology

It effectively avoids missing inserts, ensures accurate positioning of inserts and smooth demoulding, and improves product yield and demoulding convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a kind of insert product intelligent detection auxiliary mechanism of mould, belongs to intelligent mould technical field.It solves the problem that existing insert and hole position produce card stagnation, not easy to demould.The insert product intelligent detection mechanism of the mould, the mould includes fixed mould and movable mould, when fixed mould and movable mould close mould, can form cavity, intelligent detection auxiliary mechanism includes installation hole on the cavity side surface of movable mould, top rod is slidably inserted in installation hole, the end of top rod towards cavity is positioning end, guide hole is opened in top rod, pressure rod is slidably inserted in guide hole, micro switch is fixed on top rod, the positioning end of top rod is also fixed with magnetic piece, and when pressure rod is pressed into guide hole, can press micro switch, installation hole is also provided with elastic piece.Insert product intelligent detection auxiliary mechanism of the mould can make product demoulding more convenient on the basis of detecting and positioning insert.
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Description

Technical Field

[0001] The present invention belongs to the technical field of intelligent molds and relates to an intelligent detection auxiliary mechanism for mold insert products. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. It features fast production speeds, high efficiency, and automated operation, making it suitable for mass production and molding processes involving complex shapes. At a certain temperature, completely molten plastic material is stirred by a screw, injected into the mold cavity at high pressure, and then cooled and solidified to produce a molded product. Injection molded products are typically plastic parts, but if the product also has a fixed metal insert, this insert must be pre-placed into the mold cavity, and then molten plastic is injected into the cavity so that the plastic is directly fixed to the insert after solidification. Since the insert is usually manually placed in the open mold and then the mold is closed for injection molding, it is often missed during the actual processing process, resulting in the absence of the insert after the product is injection molded, affecting the product yield.

[0003] In response to the above problems, the patent document (application number: 202021147613.5) discloses a structure for preventing missing inserts in injection molding, including a sensing device fixedly mounted on the injection mold and an injection molding machine control system. The sensing device is provided with a trigger mechanism, which extends into the mold cavity of the injection mold, and the insert placed in the mold cavity of the injection mold can trigger the trigger mechanism. The sensing device communicates with the injection molding machine control system, and the injection molding machine control system controls the injection molding machine to start or stop injection molding. By intelligently detecting the inserts, the occurrence of missing inserts during in-mold injection molding is avoided. The inserts in this patent document are only placed in the mold cavity, but the inserts of some products are columnar, such as locating pins, etc., which need to be fixed to the product, such as Figure 1 、 Figure 2 The product 9 shown has a cylindrical metal insert 91 fixed to it. To secure the cylindrical insert when placed in the mold cavity, a hole for accommodating the insert must be pre-set in the mold cavity, and a sensing device must be installed in the hole. To ensure the insert's positioning accuracy and prevent the infiltration of molten plastic, the hole diameter is adapted to the insert's outer diameter. After the insert is inserted into the hole, the gap between the insert's outer surface and the hole wall is no more than 0.04mm. This causes the product to be pushed out of the mold cavity by the ejector pin during demolding. At this time, the insert is subjected to a force oblique to its axial direction due to the traction of the product, which can easily cause it to become stuck in the hole, making demolding difficult. Summary of the Invention

[0004] The purpose of the present invention is to address the above-mentioned problems in the existing technology and propose an intelligent detection auxiliary mechanism for mold insert products. The intelligent detection auxiliary mechanism for mold insert products can make product demoulding more convenient on the basis of detecting and positioning the inserts.

[0005] The purpose of the present invention can be achieved through the following technical solutions: an intelligent detection auxiliary mechanism for insert products of a mold, the mold includes a fixed mold and a movable mold, the fixed mold and the movable mold can form a cavity when the fixed mold and the movable mold are closed, the intelligent detection auxiliary mechanism includes a mounting hole opened on the side of the cavity of the movable mold and used for insert insertion, characterized in that a push rod is slidably inserted into the mounting hole, the end of the push rod facing the cavity is a positioning end, a guide hole is axially opened in the push rod and penetrates to the end face of the positioning end, and a guide hole is slidably penetrated in the guide hole A pressure rod, and one end of the pressure rod extends out of the positioning end face of the ejector rod, a micro switch opposite to the other end of the pressure rod is fixed on the ejector rod, the micro switch is electrically connected to the operating system of the injection molding machine, the positioning end of the ejector rod is also fixed with a magnetic part for adsorbing the insert, and when the pressure rod is pressed into the guide hole, it can press the micro switch, and an elastic part is also provided in the mounting hole, which acts on the ejector rod and can generate an elastic force on the ejector rod toward the cavity when compressed, and the fixed mold has a pressing part that is convex and faces the mounting hole when the mold is closed.

[0006] The insert is usually a cylindrical metal part, such as a bolt, and the aperture of the mounting hole is designed to adapt to the outer diameter of the insert. During injection molding, the insert is pre-inserted from the mounting hole of the cavity. The magnetic part on the ejector pin can generate magnetic attraction to the insert, so that the insert is adsorbed against the end face of the positioning end of the ejector pin to ensure the stable positioning of the insert. A pressure rod is sliding through the ejector pin. When the insert abuts against the end face of the positioning section of the ejector pin, the pressure rod can be pressed, so that the pressure rod is retracted into the guide hole and presses the micro switch. The micro switch is an existing push-type switch, which is connected to the operating system of the injection molding machine. When pressed, it can send a signal to the operating system. The operating system can detect that the insert has been placed and further control the injection molding process. By intelligently detecting the insert, the situation of missing inserts can be avoided. Furthermore, when demolding is required after the injection molding is completed, since the insert is adapted to the mounting hole, if the mounting hole is pulled out only under the drive of the product, it is easy for the insert and the mounting hole to get stuck. For this reason, the ejector rod is also provided with a sliding arrangement. Under the action of the elastic member, the insert can remain stationary when placed in, but the fixed mold also has a pressing portion protruding into the mounting hole. When the movable mold and the fixed mold are closed, the pressing portion approaches the insert and presses the end face of the insert, so that the insert pushes the ejector rod and is further pressed into the mounting hole. At this time, the insert is in the accurate injection molding position, and the ejector rod compresses the elastic member to store force, that is, the ejector rod is continuously subjected to the elastic force of the elastic member. Although the product is still adsorbed in the cavity when the mold is opened, when the product is pushed by the ejector pin on the ejector plate for demolding, the ejector rod assists in pushing the insert, so that the insert is synchronously and smoothly separated from the mounting hole, ensuring the convenience of product demolding and ensuring product quality.

[0007] In the aforementioned intelligent detection auxiliary mechanism for mold inserts, the outer circumferential surface of the positioning end of the ejector pin has an annular limiting ridge circumferentially disposed thereon. The magnetic member is an annular magnet that is mounted on the ejector pin. A fixing nut is also screwed onto the ejector pin, with the magnet clamped and fixed between the limiting ridge and the fixing nut. The magnet is clamped and fixed by the limiting ridge and the fixing nut, making it removable and capable of being replaced with magnets of varying outer diameters and thicknesses to accommodate inserts of varying sizes. The magnet attracts the insert, eliminating the need for power on / off control and other operations; the insert only needs to be inserted, making operation more convenient and reliable.

[0008] In the aforementioned intelligent detection aid mechanism for insert-type products, a circumferential limit groove is defined on the end face of the limiting ridge, facing away from the cavity. One end of the magnet is inserted into the limit groove and rests against its bottom surface. The limit groove ensures the magnet's stability and brings it closer to the end face of the positioning end, thereby increasing its adhesion to the insert.

[0009] In the aforementioned intelligent detection auxiliary mechanism for mold inserts, a mounting cavity is defined at the end of the ejector rod remote from the positioning end. The guide hole extends through the bottom surface of the mounting cavity. The microswitch is disposed within the mounting cavity, with the pressing end of the microswitch embedded in the guide hole. The end of the pressure rod abuts against the end surface of the pressing end of the microswitch. The mounting cavity is used to mount the microswitch, ensuring its stability. The pressing end of the microswitch extends into the guide hole, ensuring the stability of its linkage with the pressure rod.

[0010] In the intelligent detection auxiliary mechanism for insert products of the above-mentioned mold, the end of the push rod away from the positioning end is further screwed to the bottom cover, and a clearance is defined between the bottom surface of the micro switch and the inner surface of the bottom cover. A butterfly spring is disposed within the clearance, and under the action of the butterfly spring, the micro switch is pressed against the bottom surface of the mounting cavity toward the positioning end. Because the micro switch has a short pressing stroke and is switched by pressing the pressure rod, if the pressure rod extends too far beyond the end surface of the positioning end, excessive pressing force is generated when pressing the micro switch, which can easily damage the micro switch, especially when pressed by the pressing portion of the fixed mold. To this end, a butterfly spring is provided, and the elastic force of the butterfly spring is greater than the elastic reset force of the pressing end of the micro switch. Therefore, when the pressing force of the pressure rod is too great, the micro switch can compress the butterfly spring for buffering, thereby ensuring safety and reliability.

[0011] In the aforementioned intelligent detection auxiliary mechanism for insert-type products in the mold, the mounting hole includes a mounting section and a positioning section. The aperture of the positioning section is smaller than that of the mounting section, and one end of the positioning section extends through the side of the mold cavity. The ejector rod is disposed within the mounting section, and the outer peripheral surface of the limiting ridge slides with the wall of the mounting section hole. Under the action of the elastic member, the limiting ridge abuts against the bottom surface of the mounting section. The aperture of the positioning section is adapted to the outer diameter of the insert and is used for insert insertion and positioning. The mounting section is used to mount the ejector rod and the elastic member, and under the action of the elastic member, the limiting ridge abuts against the bottom surface of the mounting section, thereby ensuring the position of the pressure rod when the insert is inserted, making the microswitch more reliable in sending signals.

[0012] In the aforementioned intelligent detection auxiliary mechanism for mold inserts, the elastic member includes a push spring, which is disposed within the mounting section and sleeved onto the ejector rod. A plug is threaded onto the outer end of the mounting hole. One end of the push spring rests on the end surface of the limiting ridge, while the other end rests on the plug. The plug seals the components within the mounting hole, making the overall structure more stable and reliable.

[0013] In the aforementioned intelligent detection auxiliary mechanism for insert-type products in the mold, the end surface of the limiting ridge facing the mold cavity has an annular positioning ridge on its circumferential side. The cross-section of the positioning ridge is triangular, and the outer circumferential surface of the positioning ridge is a positioning cone. The opening connecting the positioning section and the mounting section has a conical chamfered surface on its circumference. The positioning cone abuts against the chamfered surface under the action of the push spring. When the mold is opened, the push spring resets the ejector pin, and the positioning cone abuts against the chamfered surface, thereby accurately positioning the ejector pin and preventing the ejector pin end from deviating when the insert is inserted, adsorbed, and presses the pressure pin, ensuring stability. The inner circumferential surface of the positioning ridge is also a cone with the large end facing upward, which can form a limit with the chamfered end of the insert.

[0014] In the aforementioned intelligent detection auxiliary mechanism for mold inserts, the pressing portion is a truncated cone-shaped projection with a flat pressing surface facing the mounting hole. When the fixed and movable molds are closed, the pressing portion and the mounting hole are coaxially arranged. The pressing portion can stably press on the insert, allowing the insert to move axially while maintaining stability. During injection of molten plastic, the pressing surface, in conjunction with the hole wall of the positioning section, ensures the insert's positional accuracy, thereby improving product quality.

[0015] In the intelligent detection auxiliary mechanism for insert products of the above-mentioned mold, an air hole is axially penetrated along the upper edge of the limiting convex edge. The two ends of the air hole are respectively connected to the positioning section and the mounting section of the mounting hole. The plug is provided with a through hole for the passage of the circuit. The end of the insert fixed to the product has an annular fixing portion. When the insert is inserted into the positioning section of the mounting hole, the gap between the outer peripheral surface of the insert and the hole wall of the positioning section is 0.02-0.04mm. The molten plastic has difficulty passing through, but the gas in the cavity can pass through and further discharge the cavity through the air hole and the through hole, playing the role of exhaust and pressure relief, avoiding the formation of trapped air in the fixing portion of the insert, which may cause the insert to be loosely fixed, and improving product quality.

[0016] Compared with the existing technology, the intelligent detection auxiliary mechanism of the mold insert products has the following advantages:

[0017] 1. Since the magnetic part on the ejector pin can generate magnetic attraction to the insert, the insert is adsorbed against the positioning end face of the ejector pin, ensuring the stable positioning of the insert.

[0018] 2. Since a pressure rod is slidably provided inside the ejector pin, the insert can press the pressure rod when it abuts against the end face of the positioning section of the ejector pin, causing the pressure rod to press the micro switch. When the micro switch is pressed, it can send a signal to the operating system. The operating system can detect that the insert has been placed and further control the injection molding process, making the mold more intelligent, thereby avoiding the situation of missing inserts.

[0019] 3. When the movable mold and the fixed mold are closed, the pressing part approaches the insert and presses the end face of the insert, and the ejector compresses the elastic part to store force, that is, the ejector is continuously subjected to the elastic force of the elastic part. When the mold is opened, when the product is pushed by the ejector pin on the ejector plate for demoulding, the ejector assists in pushing the insert, so that the insert is synchronously and smoothly separated from the mounting hole, ensuring the convenience of product demoulding and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of a product with an insert.

[0021] Figure 2 It is a structural cross-sectional view of a product with an insert.

[0022] Figure 3 It is a structural cross-sectional view of this mold.

[0023] Figure 4 yes Figure 3 A magnified view of the structure at point A in the middle.

[0024] Figure 5 yes Figure 3 A magnified view of the structure at point B.

[0025] Figure 6It is a structural cross-sectional view of the product during injection molding in the mold.

[0026] Figure 7 yes Figure 6 Enlarged view of the structure at point C in the middle.

[0027] Figure 8 It is a structural cross-sectional view of the product when it is ejected after the mold is opened.

[0028] In the figure, 1. fixed mold; 11. pressing part; 111. pressing surface; 2. movable mold; 21. mounting hole; 211. positioning section; 212. mounting section; 22. plug; 221. through hole; 3. cavity; 4. ejector pin; 41. positioning end; 42. guide hole; 43. limiting ridge; 431. limiting groove; 432. air hole; 44. positioning ridge; 441. positioning cone; 45. fixing nut; 46. mounting cavity; 461. clearance; 47. butterfly spring; 48. bottom cover; 5. pressure rod; 6. magnetic part; 61. magnet; 7. micro switch; 8. elastic part; 81. push spring; 9. product; 91. insert. DETAILED DESCRIPTION

[0029] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0030] like Figure 3 、 Figure 4 、 Figure 5As shown, an intelligent detection auxiliary mechanism for insert products of a mold, the mold includes a fixed mold 1 and a movable mold 2, and a cavity 3 can be formed when the fixed mold 1 and the movable mold 2 are closed. The intelligent detection auxiliary mechanism includes a mounting hole 21 opened on the side of the cavity 3 of the movable mold 2, and the mounting hole 21 includes a mounting section 212 and a positioning section 211. The aperture of the positioning section 211 is smaller than the aperture of the mounting section 212. One end of the positioning section 211 is connected to one end of the mounting section 212, and the other end of the positioning section 211 passes through the side of the cavity 3 for inserting and positioning the insert 91. The other end of the mounting section 212 passes through the outer side of the movable mold 2, and a plug 22 is screwed at the outer end opening of the mounting hole 21. A push rod 4 is slidably inserted into the mounting section 212 of the mounting hole 21, and the end of the push rod 4 facing the cavity 3 is a positioning end 41. A guide hole 42 is axially opened in the push rod 4 and penetrates the end face of the positioning end 41. A pressure rod 5 is slidably penetrated in the guide hole 42, and one end of the pressure rod 5 extends out of the end face of the positioning end 41 of the push rod 4 and can extend into the positioning section 211. A micro switch 7 opposite to the other end of the pressure rod 5 is fixed on the push rod 4, and a magnetic field for adsorbing the insert 91 is also fixed on the positioning end 41 of the push rod 4. The elastic member 6 can press the micro switch 7 when the pressure rod 5 is pressed into the guide hole 42. The mounting hole 21 is also provided with an elastic member 8 that acts on the ejector rod 4 and can generate an elastic force on the ejector rod 4 toward the cavity 3 when compressed. The fixed mold 1 has a pressing portion 11 that is protruding and faces the mounting hole 21 when the mold is closed. The pressing portion 11 is a truncated cone-shaped protrusion and has a flat pressing surface 111 facing the mounting hole 21. When the fixed mold 1 and the movable mold 2 are closed, the pressing portion 11 and the mounting hole 21 are coaxially arranged.

[0031] Specifically, the outer circumference of the positioning end 41 of the ejector pin 4 is provided with an annular limiting protrusion 43 circumferentially. The outer circumference of the limiting protrusion 43 is slidably engaged with the hole wall of the mounting section 212. A limiting groove 431 is circumferentially defined on the side of the limiting protrusion 43 away from the cavity 3. The magnetic member 6 is an annular magnet 61, which is sleeved on the ejector pin 4. A fixing nut 45 is also screwed onto the ejector pin 4. The magnet 61 is clamped and fixed between the limiting protrusion 43 and the fixing nut 45. Under the action of the fixing nut 45, one end of the magnet 61 is embedded in the limiting groove 431 and abuts against the bottom surface of the limiting groove 431. The elastic member 8 includes a push spring 81, which is disposed within the mounting section 212 and sleeved on the ejector pin 4. One end of the push spring 81 abuts against the end surface of the limiting protrusion 43, and the other end abuts against the plug 22. Under the action of the push spring 81, the limiting protrusion 43 abuts against the bottom surface of the mounting section 212. The end surface of the limiting flange 43 facing the cavity 3 has an annular positioning flange 44 circumferentially. This positioning flange 44 has a triangular cross-section, and its outer circumferential surface is a positioning cone 441. The opening connecting the positioning section 211 and the mounting section 212 has a conical chamfered surface circumferentially, and the positioning cone 441 abuts against the chamfered surface under the action of the push spring 81. An air hole 432 is axially defined along the upper edge of the limiting flange 43. The two ends of this air hole 432 communicate with the positioning section 211 and the mounting section 212 of the mounting hole 21, respectively. The plug 22 has a through hole 221 for the passage of wiring. An installation cavity 46 is provided at the end of the push rod 4 away from the positioning end 41, and the guide hole 42 extends to the bottom surface of the installation cavity 46. The micro switch 7 is arranged in the installation cavity 46. The end of the push rod 4 away from the positioning end 41 is also screwed with a bottom cover 48. There is a clearance 461 between the bottom surface of the micro switch 7 and the inner surface of the bottom cover 48. A butterfly spring 47 is provided in the clearance 461. Under the action of the butterfly spring 47, the micro switch 7 is pressed against the bottom surface of the installation cavity 46 toward the positioning end 41, and the pressing end of the micro switch 7 is embedded in the guide hole 42, and the end of the pressure rod 5 rests on the end surface of the pressing end of the micro switch 7.

[0032] like Figure 6 、 Figure 7 As shown, the insert 91 is usually a columnar metal part, such as a positioning pin, etc. The aperture of the mounting hole 21 is designed to be adapted to the outer diameter of the insert 91. During injection molding, the insert 91 is pre-inserted from the mounting hole 21 of the cavity 3. The magnet 61 can generate a magnetic attraction on the insert 91, so that the end of the insert 91 presses the upper end of the pressure rod 5 and abuts against the end surface of the positioning end 41. The pressure rod 5 is pressed into the guide hole 42, that is, the lower end of the pressure rod 5 can press the micro switch 7, and the micro switch 7 sends a signal to the operating system that the insert 91 has been placed in place. The operating system controls the mold to move further. When the mold is closed, the pressing part 11 on the fixed mold 1 can further press the insert 91, so that the insert 91 further pushes the ejector pin 4, and the ejector pin 4 compresses the ejection spring 81 to store force. Figure 8As shown, when the mold is opened after the injection molding is completed, the product 9 is adsorbed in the cavity 3. When the product 9 is pushed by the ejector pin on the ejector plate to be demolded, the ejector rod 4 assists in pushing the insert 91, so that the insert 91 is synchronously and smoothly detached from the mounting hole 21, ensuring the convenience of demolding the product 9 and ensuring the quality of the product 9.

[0033] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope of the appended claims.

[0034] Although the terms "fixed mold 1," "pressing portion 11," and "pressing surface 111" are frequently used herein, the use of other terms is not excluded. These terms are used solely to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitations is contrary to the spirit of the present invention.

Claims

1. An intelligent detection auxiliary mechanism for an insert product of a mold, the mold comprising a fixed mold (1) and a movable mold (2), wherein the fixed mold (1) and the movable mold (2) are capable of forming a cavity (3) when the fixed mold (1) and the movable mold (2) are closed, and the intelligent detection auxiliary mechanism comprises a mounting hole (21) provided on a side surface of the cavity (3) of the movable mold (2) and used for inserting an insert (91), characterized in that: A push rod (4) is slidably inserted into the mounting hole (21), and one end of the push rod (4) facing the cavity (3) is a positioning end (41). A guide hole (42) is axially opened in the push rod (4) and penetrates to the end face of the positioning end (41). A pressure rod (5) is slidably penetrated in the guide hole (42), and one end of the pressure rod (5) extends out of the end face of the positioning end (41) of the push rod (4). A micro switch ( 7), the micro switch (7) is electrically connected to the operating system of the injection molding machine, the positioning end (41) of the push rod (4) is also fixed with a magnetic part (6) for adsorbing the insert (91), and when the pressure rod (5) is pressed into the guide hole (42), it can press the micro switch (7), and the mounting hole (21) is also provided with an elastic part (8) that acts on the push rod (4) and can generate an elastic force on the push rod (4) in the direction of the cavity (3) when compressed, and the fixed mold (1) has There is a pressing portion (11) that is convex and faces the mounting hole (21) when the mold is closed; the outer peripheral surface of the positioning end (41) of the push rod (4) has an annular limiting ridge (43) in the circumferential direction; the magnetic member (6) is an annular magnet (61), which is sleeved on the push rod (4); the push rod (4) is also screwed with a fixing nut (45), and the magnet (61) is clamped and fixed between the limiting ridge (43) and the fixing nut (45); the mounting The hole (21) comprises a mounting section (212) and a positioning section (211), the aperture of the positioning section (211) is smaller than the aperture of the mounting section (212), and one end of the positioning section (211) extends through the side of the cavity (3), the ejector rod (4) is arranged in the mounting section (212), and the outer peripheral surface of the limiting convex edge (43) is slidably matched with the hole wall of the mounting section (212), and under the action of the elastic member (8), the limiting convex edge (43) abuts against the bottom surface of the mounting section (212).

2. The intelligent detection auxiliary mechanism for mold insert products according to claim 1 is characterized in that: A limiting groove (431) is circumferentially provided on the end surface of the limiting convex edge (43) away from the cavity (3), and one end of the magnet (61) is embedded in the limiting groove (431) and abuts against the bottom surface of the limiting groove (431).

3. The intelligent detection auxiliary mechanism for mold insert products according to claim 2, characterized in that: An installation cavity (46) is provided at one end of the push rod (4) away from the positioning end (41), and the guide hole (42) extends through the bottom surface of the installation cavity (46). The micro switch (7) is arranged in the installation cavity (46), and the pressing end of the micro switch (7) is embedded in the guide hole (42), and the end of the pressure rod (5) abuts against the end surface of the pressing end of the micro switch (7).

4. The intelligent detection auxiliary mechanism for mold insert products according to claim 3 is characterized in that: The end of the push rod (4) away from the positioning end (41) is also screwed with a bottom cover (48), and a clearance gap (461) is provided between the bottom surface of the micro switch (7) and the inner side surface of the bottom cover (48). A butterfly spring (47) is provided in the clearance gap (461). Under the action of the butterfly spring (47), the micro switch (7) is pressed against the bottom surface of the mounting cavity (46) in the direction of the positioning end (41).

5. The intelligent detection auxiliary mechanism for mold insert products according to any one of claims 2 to 4, characterized in that: The elastic member (8) includes a push spring (81), which is arranged in the mounting section (212) and sleeved on the push rod (4). The outer end of the mounting hole (21) is also screwed with a plug (22). One end of the push spring (81) abuts against the end surface of the limiting convex edge (43), and the other end abuts against the plug (22).

6. The intelligent detection auxiliary mechanism for mold insert products according to claim 5, characterized in that: The limiting convex edge (43) has an annular positioning convex edge (44) on the end surface facing the cavity (3), the cross section of the positioning convex edge (44) is triangular, and the outer peripheral surface of the positioning convex edge (44) is a positioning conical surface (441), and the opening connecting the positioning section (211) and the mounting section (212) has a conical chamfered surface on the circumference, and the positioning conical surface (441) is abutted against the chamfered surface under the action of the push spring (81).

7. The intelligent detection auxiliary mechanism for mold insert products according to any one of claims 2 to 4, characterized in that: The pressing portion (11) is convex in a truncated cone shape and has a straight pressing surface (111) facing the mounting hole (21). When the fixed mold (1) and the movable mold (2) are closed, the pressing portion (11) and the mounting hole (21) are coaxially arranged.

8. The intelligent detection auxiliary mechanism for mold insert products according to claim 5, characterized in that: An air hole (432) is provided axially through the upper edge of the limiting convex edge (43), and the two ends of the air hole (432) are respectively connected to the positioning section (211) and the mounting section (212) of the mounting hole (21). The plug (22) is provided with a through hole (221) for the circuit to pass through.

Citation Information

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