Protective film breaking device for effectively protecting alloy resistor

By designing a protective film breaking device that includes a film cutting cylinder, an air pump, and a slag suction box, the protective film is cut off by using the suction force of the air pump, which solves the problem of resistance damage caused by manual operation and achieves safe and efficient removal of the protective film.

CN223560044UActive Publication Date: 2025-11-18YUANHUI ELECTRONIC TECH (JIANGSU) CO LTD
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Patent Information

Application Number
CN202423321349.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-18
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

During the production, transportation, and use of alloy resistors, manually scratching the protective film poses a risk of damaging the resistor, resulting in insufficient safety.

Method used

A protective film breaking device is designed, comprising a film cutting cylinder, an air pump, and a slag suction box. The air pump provides suction to draw the protective film into the film cutting cylinder, and the film breaking blade cuts off the protective film, thus avoiding human error.

Benefits of technology

This improves the safety of alloy resistors, avoids resistor damage caused by manual operation, and ensures that the process of removing the protective film is safe and reliable.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of protective film breaking devices, and particularly relates to a protective film breaking device capable of effectively protecting an alloy resistor, which comprises a film cutting knife cylinder, an air pump and a residue suction box, a fixing disc is arranged in the film cutting knife cylinder, a film cutting component is arranged in the middle of the surface of one side of the fixing disc, and a cutting disc is fixedly mounted at one end of the film cutting component. According to the protective film cutting device, suction force is generated on a protective film, the protective film is sucked into the film cutting knife cylinder, then the protective film is cut off in the protective film cutting device, the situation that a resistor is damaged due to the fact that the protective film is scratched manually with a knife in the past is avoided, and safety is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of protective film breaking device for effectively protecting alloy resistance, belong to protective film breaking device technical field. BACKGROUND

[0002] Alloy resistance is an electronic component made of specific metal alloy material, which emphasizes low resistance, high precision, low temperature coefficient, withstands large current impact and has high power handling capability in design. The material of alloy resistance is mainly copper alloy, sometimes other alloy elements such as constantan and manganese copper are added to optimize its electrical performance. The characteristics of these resistors include ultra-low resistance range, such as 0.5 milliohm to several hundred milliohm, and high stability, temperature drift can be as low as 1PPM / ℃, which makes them very suitable for current detection, sampling and feedback circuit, to ensure accurate control of current. The paint used for alloy resistance protection requires high cleanliness and purity, even the smallest impurities can affect the performance of electronic components, placing a packaging bag in a plastic bucket can prevent particles from the plastic bucket itself from falling into the paint, ensuring the purity of the paint.

[0003] During the production, transportation, installation and use of alloy resistance, to prevent the resistance surface from being scratched and worn, reduce the damage caused by mechanical external force, plastic protective film is often coated on the resistance to protect the integrity and performance stability of the resistance. When unpacking, the protective film is often manually cut with a knife, and then the protective film is torn off from the resistance. This operation has certain risk, if the manual operation is improper, the resistance will be scratched, which can easily cause damage to the resistance.

[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the above problems and provides a kind of protective film breaking device for effectively protecting alloy resistance, which has the effect of sucking the protective film into the film cutting knife cylinder and cutting it off by the film breaking blade, avoiding the damage to the resistance caused by the mistake of manually cutting the protective film with a knife in the past, and further improving the safety of the device.

[0006] The utility model realizes the above-mentioned purpose by the following technical scheme, a kind of protective film breaking device for effectively protecting alloy resistance, including film cutting knife cylinder, air pump and slag suction box, the fixed disc is arranged in the film cutting knife cylinder, the fixed disc one side surface middle position is provided with film cutting assembly, the one end of film cutting assembly is fixedly installed with the division disc, the air pump and the slag suction box are all set in one end of the film cutting knife cylinder.

[0007] Further, in order to provide support force for the film cutting assembly, the fixed disc is located at the middle position in the film cutting cutter, the circumferential outer wall of the fixed disc is fixedly connected with the circumferential inner wall of the film cutting cutter, and the lower portion of the fixed disc is provided with a slag suction through hole.

[0008] Further, in order to provide rotation space for the screw rod, a stable ball bearing is embeddedly installed at the middle position of the side surface of the fixed disc, the film cutting assembly comprises a screw rod, and the one end of the screw rod is fixedly connected with the inner ring of the stable ball bearing.

[0009] Further, in order to fix the segmentation disc and provide rotation space for the screw rod, the other end of the screw rod is fixedly installed with a segmentation disc, the other end of the screw rod is sleeved with a fixed ball bearing, and the fixed ball bearing is embeddedly installed in the segmentation disc.

[0010] Further, in order to provide cutting space for the film cutting assembly, the one end of the film cutting cutter is provided with a film suction through hole, the segmentation disc is arranged at the middle position in the film suction through hole, and the circumferential outer wall of the segmentation disc is not attached to the circumferential inner wall of the film suction through hole.

[0011] Further, in order to rotate the screw rod through the movement of the T-shaped sleeve, the other end of the screw rod is uniformly provided with a film breaking blade, the other end of the screw rod is sleeved with a T-shaped sleeve, the T-shaped sleeve is provided with a spiral structure, and the T-shaped sleeve is slidably attached to the screw rod.

[0012] Further, in order to move the T-shaped sleeve through the pulling rod, the pulling rod is symmetrically arranged on the side surface of the T-shaped sleeve, one end of the pulling rod penetrates the one end outer wall in the fixed disc and the film cutting cutter, and one end of the pulling rod is fixedly installed with a pulling plate.

[0013] Further, in order to collect the waste slag entering the film cutting cutter through the slag suction box, the film cutting cutter is provided with suction force through the air pump, the air pump is arranged on the upper outer wall of one end of the film cutting cutter, the air pump is in communication with the inside of the film cutting cutter, the slag suction box is arranged on the lower outer wall of one end of the film cutting cutter, the slag suction box is in communication with the inside of the film cutting cutter, and the inner bottom wall of the slag suction box is provided with a slag discharge plug.

[0014] The technical effects and advantages of the device are as follows: the device generates suction force on the plastic protective film, sucks the plastic protective film into the film cutting cutter, and then realizes cutting of the plastic protective film in the device, avoids the mistake of manually cutting the protective film, and avoids damage to the resistor, and has high safety. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a half-sectional view of the film cutting blade cylinder of this utility model;

[0017] Figure 3 This is a schematic diagram showing the position of the membrane-breaking blade of this utility model;

[0018] Figure 4 This is a schematic diagram of the stable ball bearing position of this utility model;

[0019] Figure 5 For the present utility model Figure 2 Enlarged view of the structure of A in the middle.

[0020] In the diagram: 1. Film cutting blade cylinder; 2. Air pump; 3. Slag suction box; 4. Fixing plate; 5. Film cutting assembly; 501. Spiral rod; 502. Fixing ball bearing; 503. Film breaking blade; 504. T-sleeve; 505. Pulling rod; 506. Pulling plate; 6. Dividing plate; 7. Slag suction through hole; 8. Stabilizing ball bearing; 9. Slag discharge plug. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-5 As shown, a protective film breaking device for effectively protecting alloy resistors includes a film cutting cylinder 1, an air pump 2, and a slag suction box 3. A fixing plate 4 is provided inside the film cutting cylinder 1. A film cutting assembly 5 is provided at the middle position of one side surface of the fixing plate 4. A dividing plate 6 is fixedly installed at one end of the film cutting assembly 5. The air pump 2 and the slag suction box 3 are both located at one end of the film cutting cylinder 1.

[0023] like Figure 2 , Figure 3 and Figure 5As shown, the fixed disc 4 is located in the middle of the film cutting knife cylinder 1, the circumferential outer wall of the fixed disc 4 is fixedly connected with the circumferential inner wall of the film cutting knife cylinder 1, the lower side surface of the fixed disc 4 is embedded with a stable ball bearing 8, the film cutting assembly 5 includes a screw rod 501, one end of the screw rod 501 is fixedly connected with the inner ring of the stable ball bearing 8, the other end of the screw rod 501 is fixedly installed with a dividing disc 6, the outer surface of the other end of the screw rod 501 is sleeved with a fixed ball bearing 502, the fixed ball bearing 502 is embedded in the dividing disc 6, the outer wall of one end of the film cutting knife cylinder 1 is provided with a film suction hole, the dividing disc 6 is arranged in the middle of the film suction hole, the circumferential outer wall of the dividing disc 6 is not attached to the circumferential inner wall of the film suction hole, the outer surface of the other end of the screw rod 501 is uniformly provided with a film breaking blade 503, the outer surface of the other end of the screw rod 501 is sleeved with a T-shaped sleeve 504, the T-shaped sleeve 504 is provided with a spiral structure, the T-shaped sleeve 504 and the screw rod 501 are slidably attached to each other, the side surface of the T-shaped sleeve 504 is symmetrically provided with a pulling rod 505, one end of the pulling rod 505 penetrates through the fixed disc 4 and the outer wall of one end of the film cutting knife cylinder 1, one end of the pulling rod 505 is fixedly installed with a pulling plate 506, so that the operator can pull the pulling rod 505, then cooperate the T-shaped sleeve 504 with the screw rod 501, so that the screw rod 501 rotates, at this time, the screw rod 501 drives the film breaking blade 503 to rotate, thereby realizing the cutting of the plastic protective film.

[0024] As shown in the drawings, Figure 1 The gas pump 2 is arranged on the outer wall above one end of the film cutting knife cylinder 1, the gas pump 2 is in communication with the inside of the film cutting knife cylinder 1, the slag suction box 3 is arranged on the outer wall below one end of the film cutting knife cylinder 1, the slag suction box 3 is in communication with the inside of the film cutting knife cylinder 1, the inner bottom wall of the slag suction box 3 is provided with a slag discharge plug 9, so as to provide suction force for the film cutting knife cylinder 1, thereby realizing the suction of the plastic protective film into the film cutting knife cylinder 1.

[0025] In use, the operator places the device at one end of the protective film of the alloy resistor. The operator then turns on the air pump 2, which generates suction inside the cutting cylinder 1. The operator uses the pull plate 506 to slide the pull rod 505 inside the cutting cylinder 1. The pull rod 505 moves the T-shaped sleeve 504. Due to the cooperation between the T-shaped sleeve 504 and the spiral rod 501, the T-shaped sleeve 504 rotates the spiral rod 501. The suction from the air pump 2 draws the protective film into the cutting cylinder 1. The rotation of the spiral rod 501 then rotates the film-breaking blade 503, thus completing the removal of the plastic protective film. Simultaneously, some waste residue is collected in the suction box 3 through the suction hole 7. This device removes the plastic protective film by inserting it into the cutting cylinder 1, avoiding the errors caused by manually cutting the protective film with a knife, which could damage the resistor. This device is highly safe and has significant beneficial effects.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0027] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A protective film breaking device for effectively protecting an alloy resistor, comprising a film cutting knife cylinder (1), an air pump (2) and a slag suction box (3), characterized in that: The film cutting cutter barrel (1) is provided with a fixed disc (4), one side surface of the fixed disc (4) is provided with a film cutting assembly (5), one end of the film cutting assembly (5) is fixedly installed with a segmentation disc (6), and the air pump (2) and the slag suction box (3) are arranged at one end of the film cutting cutter barrel (1).

2. The breakage device of the protective film for effectively protecting an alloy resistor according to claim 1, characterized by: The fixed disc (4) is located at the middle position in the film cutting cutter barrel (1), the circumferential outer wall of the fixed disc (4) and the circumferential inner wall of the film cutting cutter barrel (1) are fixedly connected with each other, and a slag suction hole (7) is formed in the lower portion of the fixed disc (4).

3. The breakage device of the protective film for effectively protecting an alloy resistor according to claim 1, characterized by: The side surface of the fixed disc (4) is embeddedly installed with a stable ball bearing (8), the film cutting assembly (5) comprises a screw rod (501), and one end of the screw rod (501) and the inner ring of the stable ball bearing (8) are fixedly connected with each other.

4. The breakage device of the protective film for effectively protecting an alloy resistor according to claim 3, characterized by: The other end of the screw rod (501) and the segmentation disc (6) are fixedly connected with each other, the other end of the screw rod (501) is sleeved with a fixed ball bearing (502), and the fixed ball bearing (502) is embeddedly installed in the segmentation disc (6).

5. The breakage device of the protective film for effectively protecting an alloy resistor according to claim 4, characterized by: One end of the film cutting cutter barrel (1) is provided with a film suction hole, the segmentation disc (6) is arranged at the middle position in the film suction hole, and the circumferential outer wall of the segmentation disc (6) is not attached to the circumferential inner wall of the film suction hole.

6. The breakage device of the protective film for effectively protecting an alloy resistor according to claim 5, characterized by: The other end of the screw rod (501) is uniformly provided with a film breaking blade (503), the other end of the screw rod (501) is sleeved with a T-shaped sleeve (504), the T-shaped sleeve (504) is provided with a spiral structure, and the T-shaped sleeve (504) and the screw rod (501) are attached to each other and slide.

7. The breakage device of the protective film for effectively protecting an alloy resistor according to claim 6, characterized by: The T-shaped sleeve (504) is provided with a pulling rod (505) which is symmetrically arranged on the upper and lower surfaces of the T-shaped sleeve (504), one end of the pulling rod (505) penetrates the fixed disc (4) and the outer wall of one end of the film cutting cutter barrel (1), and one end of the pulling rod (505) is fixedly installed with a pulling plate (506).

8. The breakage preventing apparatus for preventing breakage of a protective film of an alloy resistor according to claim 1, characterized by: The air pump (2) is arranged on the outer wall above one end of the film cutting cutter barrel (1), the air pump (2) and the inside of the film cutting cutter barrel (1) are communicated with each other, the slag suction box (3) is arranged on the outer wall below one end of the film cutting cutter barrel (1), the slag suction box (3) and the inside of the film cutting cutter barrel (1) are communicated with each other, and the inner bottom wall of the slag suction box (3) is provided with a slag discharge plug (9).