A reject mechanism for a metal detector and a metal detector comprising the same

Abstract

The utility model provides a kind of for gold detection machine's rejection mechanism and including its gold detection machine, rejection mechanism includes: two opposite side wall surfaces of sealed cavity are respectively equipped with first mounting hole and second mounting hole, flap piece is located in sealed cavity;Sealed quick-release assembly is detachably connected in first mounting hole with the first end of flap piece, and sealed quick-release assembly is sealedly connected between first mounting hole;Driving assembly is connected with the second end of flap piece by second mounting hole, for driving flap piece rotation;When sealed quick-release assembly loosens flap piece, flap piece can be taken out from sealed cavity.The utility model uses the sealing ring and sealing gasket of triple-sealing structure, so that the sealing effect of rejection mechanism is good, and it is not easy to be corroded.Rejection mechanism uses flap type rejection structure, and convenient mounting and dismounting structure is arranged, so that the whole mechanism is easy to clean and easy to disassemble.

Description

Technical Field

[0001] This utility model relates to the field of product testing technology, and in particular to a rejection mechanism for a gold detector and a gold detector including the same. Background Technology

[0002] In the pharmaceutical industry, metal detection equipment is typically used to detect metallic foreign objects in drug production. The core function of a metal detector is to identify foreign objects, missing particles, and other problems in drugs using X-ray and metal detection technology.

[0003] Currently, conventional pharmaceutical applications employ an open-channel testing structure. Products undergoing testing flow through the channel into the metal detector, where a rejection mechanism removes any foreign objects detected. This rejection mechanism ensures that products containing foreign objects are rejected and placed into a dedicated collection device, while qualified products flow into the normal qualified channel.

[0004] However, some specialized applications in the pharmaceutical industry require closed-loop systems for certain levels of risk drugs. This means the entire process, from production to final product packaging, must be conducted in a sealed environment to ensure worker safety. Such applications necessitate that the entire pipeline of the detection system, including the rejection mechanism, be airtight and meet OEB4 or OEB5 requirements.

[0005] In view of this, the inventors of this application have designed a rejection mechanism for a gold detector and a gold detector including the same, in order to overcome the above-mentioned technical problems. Utility Model Content

[0006] The technical problem to be solved by this utility model is to overcome the shortcomings of existing gold detectors used in the pharmaceutical industry, which require implementation in a closed system and whose rejection mechanism cannot simultaneously achieve both sealing and convenient installation and disassembly. This utility model provides a rejection mechanism for a gold detector and a gold detector including the rejection mechanism.

[0007] The present invention solves the above-mentioned technical problems through the following technical solution:

[0008] A rejection mechanism for a metal detector, characterized in that the rejection mechanism comprises:

[0009] A hollow sealed cavity and a flap component, wherein a first mounting hole and a second mounting hole are respectively provided on two opposite side walls of the sealed cavity, and the flap component is located inside the sealed cavity;

[0010] A quick-release sealing assembly is installed in the first mounting hole and detachably connected to the first end of the flap piece, and the quick-release sealing assembly is sealed to the first mounting hole.

[0011] A drive assembly is connected to the second end of the flap member through the second mounting hole, and is used to drive the flap member to rotate.

[0012] When the quick-release sealing assembly releases the flap, the flap can be removed from the sealing cavity.

[0013] According to one embodiment of the present invention, the sealing quick-release assembly includes a plunger, a plunger pin, an elastic component, a plunger housing, and a fixing cover, wherein a hollow connecting portion extending outward is provided at the first mounting hole;

[0014] The plunger pin passes through the first mounting hole and is connected to the first end of the flap piece;

[0015] One end of the plunger is connected to the plunger pin, and the other end extends outward along the connection portion and into the plunger housing.

[0016] The elastic component is sleeved on the plunger, with its two ends abutting against the plunger pin and the plunger housing, respectively. The plunger housing is sleeved outside the connecting part and is detachably connected.

[0017] The fixed cover is sealed to the outer end of the plunger housing.

[0018] According to one embodiment of the present invention, a first sealing ring is installed between the plunger pin and the first mounting hole.

[0019] According to one embodiment of the present invention, the plunger housing includes a first chamber and a second chamber, which are connected by a third mounting hole; the first chamber is sleeved on the outside of the connecting portion, and the other end of the plunger passes through the first chamber and is located in the second chamber;

[0020] The two ends of the elastic component abut against the end of the plunger pin and the wall surface at the third mounting hole, respectively.

[0021] According to one embodiment of the present invention, a first annular sealing gasket is provided between the wall surface at the third mounting hole and the connecting portion.

[0022] According to one embodiment of the present invention, the outer end of the second chamber is open, and the fixing cover is sleeved on the outer end of the second chamber.

[0023] According to one embodiment of the present invention, a second sealing gasket is provided between the fixed cover and the outer end of the second chamber.

[0024] According to one embodiment of the present invention, the drive assembly includes a motor, a sealing cover and a drive shaft. The drive shaft is installed in the second mounting hole. One end of the drive shaft is connected to the second end of the flip plate and the other end is connected to the rotating shaft of the motor. The sealing cover is sleeved on the drive shaft and is located between the outer wall of the motor and the sealing cavity.

[0025] According to one embodiment of the present invention, a hook-type connector is provided at the second end of the flip plate, and the connector is hung on the drive shaft.

[0026] This utility model also provides a gold detector, characterized in that the gold detector includes the rejection mechanism for the gold detector as described above.

[0027] The positive and progressive effects of this utility model are as follows:

[0028] This utility model relates to a rejection mechanism for a metal detector and a metal detector including the same. It employs a triple-sealing structure with sealing rings and gaskets, resulting in a good sealing effect and resistance to corrosion. The rejection mechanism uses a flip-plate rejection structure and features a convenient installation and disassembly mechanism, making the entire mechanism easy to clean and disassemble. Attached Figure Description

[0029] The above and other features, properties and advantages of this utility model will become more apparent from the following description taken in conjunction with the accompanying drawings and embodiments, in which the same reference numerals always denote the same features, wherein:

[0030] Figure 1 This is a perspective view of the rejection mechanism of this utility model used in a metal detector.

[0031] Figure 2 This is a schematic diagram of the installation structure of the rejection mechanism of the present invention used in a metal detector.

[0032] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0033] Figure 4 This is a schematic diagram of the flip-plate component used in the rejection mechanism of a metal detector according to this utility model.

[0034] Figure 5 This is a perspective view of the sealing cover used in the rejection mechanism of a metal detector according to this utility model.

[0035] Figure 6 This is a front view of the sealing cover used in the rejection mechanism of a metal detector according to this utility model.

[0036] Figure 7 for Figure 6 A sectional view taken along line BB.

[0037] [Attached image labels]

[0038] Sealed cavity 10

[0039] Flip-plate part 20

[0040] Sealed quick-release assembly 30

[0041] Driver Component 40

[0042] First mounting hole 11

[0043] Second mounting hole 12

[0044] The first end 21 of the flip plate component

[0045] The second end 22 of the flap component

[0046] plunger 31

[0047] 32 plunger pins

[0048] Elastic component 33

[0049] plunger housing 34

[0050] Fixed cover 35

[0051] Connecting part 13

[0052] First chamber 341

[0053] Second chamber 342

[0054] Third mounting hole 14

[0055] First annular sealing gasket 15

[0056] Second sealing gasket 16

[0057] Motor 41

[0058] Sealing cap 42

[0059] Drive shaft 43

[0060] Shaft 411

[0061] Connector 211

[0062] Connector 221

[0063] Fourth mounting hole 421

[0064] Motor housing 44

[0065] Drive component cover 45

[0066] Sealing groove 422

[0067] 441 protrusions

[0068] First sealing element 46

[0069] Fastener 47

[0070] Second seal 48 Detailed Implementation

[0071] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0072] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Preferred embodiments of the present invention will now be described in detail, examples of which are shown in the drawings. Wherever possible, the same reference numerals will be used in all the drawings to denote the same or similar parts.

[0073] Furthermore, although the terminology used in this invention is selected from commonly known and used terms, some terms mentioned in this specification may have been selected by the applicant in his or her judgment, and their detailed meanings are explained in the relevant sections of the description herein.

[0074] Furthermore, it is required that this utility model be understood not only through the actual terminology used, but also through the meaning implied by each term.

[0075] like Figure 1 and Figure 2 As shown, this utility model discloses a rejection mechanism for a metal detector, comprising: a hollow sealed cavity 10, a flip plate 20, a quick-release sealing assembly 30, and a drive assembly 40. A first mounting hole 11 and a second mounting hole 12 are respectively formed on two opposite sidewalls of the sealed cavity 10. The flip plate 20 is located within the sealed cavity 10. The quick-release sealing assembly 30 is installed in the first mounting hole 11 and is detachably connected to the first end 21 of the flip plate 20, with a sealed connection between the quick-release sealing assembly 30 and the first mounting hole 11. This seal ensures that no liquid or dust will enter the connection gaps between the components at the first mounting hole 11, guaranteeing the airtightness of the sealed cavity 10. The drive assembly 40 is connected to the second end 22 of the flip plate 20 through the second mounting hole 12 and is used to drive the flip plate 20 to rotate.

[0076] When the item to be tested passes through the metal detector, if a foreign object is detected, the drive assembly 40 drives the flip plate 20 to rotate, and the item to be tested falls into the storage container below. If no foreign object is detected, the flip plate 20 remains stationary, and the item to be tested is conveyed to the next process.

[0077] After use, if the removal mechanism needs cleaning, such as when the flapper 20 needs to be disassembled for cleaning, the quick-release sealing assembly 30 can be loosened to separate the flapper 20 from the quick-release sealing assembly 30, allowing the flapper 20 to be directly removed from the sealing cavity 10. Meanwhile, the quick-release sealing assembly 30 remains in the first mounting hole 11, without needing to be completely removed. This structure makes the installation and removal of the flapper 20 very convenient and does not affect the overall sealing performance of the structure.

[0078] like Figure 2 and Figure 3 As shown, the quick-release sealing assembly 30 preferably includes a plunger 31, a plunger pin 32, an elastic component 33, a plunger housing 34, and a fixing cap 35, with an outwardly extending hollow connecting portion 13 provided at the first mounting hole 11. For example, the connecting portion 13 can preferably be a hollow cylindrical connecting structure. The plunger pin 32 passes through the first mounting hole 11 and connects to the first end 21 of the flapper 20. A first sealing ring 36 is preferably installed between the plunger pin 32 and the first mounting hole 11 to achieve a seal between them and improve sealing performance.

[0079] One end of the plunger 31 is connected to the plunger pin 32, and the other end extends outward along the connecting portion 13, penetrating into the plunger housing 34. An elastic member 33 is sleeved on the plunger 31, with its two ends abutting against the plunger pin 32 and the plunger housing 34, respectively. The elastic member 33 can preferably be a spring, which, through its elastic force, allows the plunger 31 to extend or retract into the sealed cavity, thereby achieving connection and disengagement with the flapper 20.

[0080] The plunger housing 34 is sleeved on the outside of the connecting part 13 and is detachably connected. The fixing cover 35 is sealed to the outer end of the plunger housing 34.

[0081] Preferably, the plunger housing 34 includes a first chamber 341 and a second chamber 342, which are connected by a third mounting hole 14. The first chamber 341 is fitted onto the outside of the connecting portion 13. For example, an external thread is provided on the outside of the connecting portion 13, and an internal thread is provided on the inner wall of the first chamber 341, so that the first chamber 341 and the connecting portion 13 are threadedly connected and fixed. The other end of the plunger 31 passes through the first chamber 341 and is located in the second chamber 342. A boss may also be provided on the end face of the other end of the plunger 31, so that the other end of the plunger 31 is larger than the diameter of the third mounting hole 14, thereby preventing the other end of the plunger 31 from passing through the third mounting hole 14 and entering the first chamber 341.

[0082] The outer end of the second chamber 342 is preferably open, and the fixing cover 35 is sleeved on the outer end of the second chamber 342. For example, an external thread is provided on the outside of the second chamber 342, and an internal thread is provided on the inner wall surface of the fixing cover 35, so that the second chamber 342 and the fixing cover 35 are threadedly connected and fixed. Here, the fixing cover 35 can be a nut or other fastener structure.

[0083] Once the above structure is installed, both ends of the elastic component 33 abut against the end of the plunger pin 32 and the wall surface at the third mounting hole 14, respectively.

[0084] To further enhance the sealing effect, a first annular sealing gasket 15 is provided between the wall surface at the third mounting hole 14 and the connecting part 13. A second sealing gasket 16 is provided between the outer ends of the fixed cover 35 and the second chamber 342. In this way, the entire quick-release sealing assembly 30 forms a triple seal, which can maximize the sealing performance at the connection structure.

[0085] refer to Figure 2 The drive assembly 40 includes a motor 41, a sealing cover 42, and a drive shaft 43. The drive shaft 43 is installed in the second mounting hole 12. One end of the drive shaft 43 is connected to the second end 22 of the flap 20, and the other end is connected to the rotating shaft 411 of the motor 41. The sealing cover 42 is sleeved on the drive shaft 43 and is located between the motor 41 and the outer wall of the sealing cavity 10.

[0086] refer to Figure 4 The first end 21 of the flapper 20 is provided with a connecting buckle 211. The plunger pin 32 passes through the first mounting hole 11 and is engaged in the connecting buckle 211, thereby connecting the plunger pin 32 to the first end 21 of the flapper 20. The second end 22 of the flapper 20 is provided with a hook-type connector 221, such as an L-shaped hook. When installing the flapper 20, the second end 22 is hung on the drive shaft 43 through the connector 221. In this way, the flapper 20 can be installed into the sealed cavity 10.

[0087] refer to Figures 5 to 7 The sealing cover 42 is disc-shaped with a fourth mounting hole 421 in the center, and its shape matches the shape of the motor 41. A drive assembly cover 45 is mounted on the drive shaft 43, and the gap between them is sealed by a first seal 46. The sealing cover 42 is fitted onto the drive assembly cover 45 and fits against the outer wall of the sealing cavity 10. Figure 2The motor 41 is sealed within the motor housing 44, and the outer edges of the sealing cover 42 extend upward to form a sealing groove 422. The end edges of the motor housing 44 extend outward to form an annular protrusion 441, which engages within the sealing groove 422, ensuring a tight fit between the motor housing 44 and the sealing cover 42, achieving a good sealing effect. Furthermore, the motor housing 44 is firmly fixed to the outer wall of the sealing cavity 10 by at least one fastener 47, such as a bolt.

[0088] Based on the above structural description, the installation and disassembly process of the rejection mechanism of this utility model for a gold detector is as follows:

[0089] Quick-release sealing assembly: First, the first annular sealing gasket 15 is installed inside the plunger housing 34, and then installed on the external thread of the connecting part 13. Next, the second sealing gasket 16 is installed inside the fixing cover 35, and then the plunger 31 is installed into the plunger housing 34. Then, the second sealing gasket 16 and the fixing cover 35 are screwed together onto the external thread of the plunger housing 34. Next, the elastic member 33 is installed onto the plunger 31, and the first sealing ring 36 is installed onto the plunger pin 32, and then both are installed onto the plunger 31. The plunger housing 34 and the connecting part 13 in the quick-release sealing assembly 30 are fixed by a threaded connection. The first sealing ring 36 is preferably an O-ring, the first annular sealing gasket 15 is an annular sealing gasket, and the second sealing gasket 16 are used together to achieve a triple sealing effect.

[0090] Drive assembly: Multiple fasteners 47 and welded studs of sealing cavity 10 are fixed by threaded connection. The gap between drive assembly cover 45 and drive shaft 43 is first sealed by first seal 46 and the outer side is sealed by second seal 48. Drive assembly cover 35 and motor housing 44 are connected by fasteners 47. The installation gap is sealed by sealing groove 422 and protrusion 441 cooperating with each other, so as to achieve triple sealing.

[0091] The flapper 20 has pins at both ends. The plunger pin 32 of the sealing quick-release assembly 30 and the annular connecting buckle 211 of the first end 21 of the flapper 20 are connected with clearance. The drive shaft 43 of the drive assembly 40 and the connector 221 of the second end 22 of the flapper 20 are connected with clearance, so that the flapper 20 can be flipped on the drive shaft 43.

[0092] When disassembling the flapper 20, first remove the fastener 47, then the drive assembly 40 can be disassembled. Press the plunger pin 32 outward, compress the elastic component 33, so that the plunger pin 32 is separated from the flapper 20, thereby removing the flapper 20 and achieving quick disassembly.

[0093] This utility model also provides a gold detector, which includes the rejection mechanism for the gold detector as described above.

[0094] As described above, the application scenarios of the rejection mechanism of this utility model for a gold detector and the gold detector including the same are as follows:

[0095] For example, in the case of OEB4-level drug sealing for metal foreign object detection: During the production process, there is a risk of metal foreign objects being introduced into the pharmaceutical products processed by the customer, posing a safety hazard. Furthermore, because the drug has a certain degree of activity, leakage into the work environment could pose a hazard to the customer's production operators due to its toxicity.

[0096] Therefore, metal detectors that meet OEB4 standards feature a sealed structural design and a work-in-place (WIP) function. This allows for the detection of metal foreign objects in customer products while ensuring the detection is performed in a closed environment, preventing leakage and potential harm to employees. Furthermore, the machine can perform in-place cleaning during the customer's cleaning process, significantly improving efficiency.

[0097] In summary, the rejection mechanism of this utility model for a gold detector and the gold detector including the same have the following advantages:

[0098] 1. Traditional flap shaft installations lack a seal, posing a risk of leakage. The rejection mechanism described in this application employs a triple-seal structure with sealing rings and gaskets, providing excellent sealing and resistance to corrosion.

[0099] Second, the logistics channel curve of the rejection mechanism is smooth, which facilitates the circulation of medicines and makes it less likely to leave residue.

[0100] Third, the rejection mechanism adopts a flip-plate structure, which is accurate in rejection, easy to clean, and easy to disassemble.

[0101] Fourth, the rejection mechanism meets the OEB4 sealing requirements for detecting drug-grade metal foreign objects, preventing the leakage of certain active drugs into the working environment.

[0102] For those skilled in the art, the above disclosure is merely illustrative and does not constitute a limitation of this application. Although not explicitly stated herein, those skilled in the art may make various modifications, improvements, and corrections to this application. Such modifications, improvements, and corrections are suggested in this application and therefore remain within the spirit and scope of the exemplary embodiments of this application.

[0103] Furthermore, this application uses specific terms to describe embodiments of the application. For example, "an embodiment," "one embodiment," and / or "some embodiments" refer to a particular feature, structure, or characteristic related to at least one embodiment of the application. Therefore, it should be emphasized and noted that "an embodiment," "one embodiment," or "an alternative embodiment" mentioned twice or more in different locations in this specification do not necessarily refer to the same embodiment. In addition, certain features, structures, or characteristics in one or more embodiments of the application can be appropriately combined.

[0104] Similarly, it should be noted that, in order to simplify the description of the embodiments disclosed in this application and thus aid in the understanding of one or more embodiments of the invention, the foregoing description of the embodiments of this application sometimes combines multiple features into a single embodiment, drawing, or description thereof. However, this disclosure method does not imply that the subject matter of this application requires more features than those mentioned in the claims. In fact, the embodiments have fewer features than all the features of a single embodiment disclosed above. Some embodiments use numbers describing the number of components or attributes; it should be understood that such numbers used in the description of embodiments are modified in some examples by the terms "approximately," "about," or "generally."

[0105] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A rejection mechanism for a gold detector, characterized in that, The rejection mechanism includes: A hollow sealed cavity and a flap component, wherein a first mounting hole and a second mounting hole are respectively provided on two opposite side walls of the sealed cavity, and the flap component is located inside the sealed cavity; A quick-release sealing assembly is installed in the first mounting hole and detachably connected to the first end of the flap piece, and the quick-release sealing assembly is sealed to the first mounting hole. A drive assembly is connected to the second end of the flap member through the second mounting hole, and is used to drive the flap member to rotate. When the quick-release sealing assembly releases the flap, the flap can be removed from the sealing cavity.

2. The rejection mechanism for a metal detector as described in claim 1, characterized in that, The sealing quick-release assembly includes a plunger, a plunger pin, an elastic component, a plunger housing, and a fixing cap, with an outwardly extending hollow connecting portion provided at the first mounting hole; The plunger pin passes through the first mounting hole and is connected to the first end of the flap piece; One end of the plunger is connected to the plunger pin, and the other end extends outward along the connection portion and into the plunger housing. The elastic component is sleeved on the plunger, with its two ends abutting against the plunger pin and the plunger housing, respectively. The plunger housing is sleeved outside the connecting part and is detachably connected. The fixed cover is sealed to the outer end of the plunger housing.

3. The rejection mechanism for a metal detector as described in claim 2, characterized in that, A first sealing ring is installed between the plunger pin and the first mounting hole.

4. The rejection mechanism for a metal detector as described in claim 2, characterized in that, The plunger housing includes a first chamber and a second chamber, which are connected by a third mounting hole; the first chamber is sleeved on the outside of the connecting part, and the other end of the plunger passes through the first chamber and is located in the second chamber; The two ends of the elastic component abut against the end of the plunger pin and the wall surface at the third mounting hole, respectively.

5. The rejection mechanism for a metal detector as described in claim 4, characterized in that, A first annular sealing gasket is provided between the wall surface at the third mounting hole and the connecting part.

6. The rejection mechanism for a metal detector as described in claim 4, characterized in that, The outer end of the second chamber is open, and the fixing cover is sleeved on the outer end of the second chamber.

7. The rejection mechanism for a metal detector as described in claim 6, characterized in that, A second sealing gasket is provided between the fixed cover and the outer end of the second chamber.

8. The rejection mechanism for a metal detector as described in claim 1, characterized in that, The drive assembly includes a motor, a sealing cover, and a drive shaft. The drive shaft is installed in the second mounting hole. One end of the drive shaft is connected to the second end of the flap piece, and the other end is connected to the rotating shaft of the motor. The sealing cover is sleeved on the drive shaft and is located between the motor and the outer wall of the sealing cavity.

9. The rejection mechanism for a gold detector as described in claim 8, characterized in that, A hook-type connector is provided at the second end of the flip plate, and the connector is hung on the drive shaft.

10. A gold detector, characterized in that, The gold detector includes a rejection mechanism for the gold detector as described in any one of claims 1-9.

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