Multi-line shielding net cutting device

Abstract

A multi-line shielding net cutting device effectively improves the production efficiency of wire harnesses and comprises a shifting mechanism and a shielding net cutting mechanism, the lower end of the shielding net cutting mechanism is fixedly connected with the shifting mechanism, one side of the shielding net cutting mechanism is fixedly connected with at least one inner cutter, one side of each inner cutter is provided with a pushing cutter frame, and the pushing cutter frame is fixedly connected with the shifting mechanism. One side, close to the corresponding inner cutter, of each pushing cutter frame is connected with an elastic pressing block in a sliding mode, the position, corresponding to the pushing cutter frame, of the shielding net cutting mechanism is fixedly connected with a driving piece, and an output shaft of each driving piece is fixedly connected with the corresponding pushing cutter frame. And the purpose of automatically cutting off the shielding net is effectively achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harness processing equipment, in particular to a multi-wire type shielding net cutting device. Background Art

[0002] The shielding net in the wire harness is a kind of wire with a metal braided shell specially used to reduce the impact of external electromagnetic fields on power or communication lines. This shielding net also prevents the line from radiating electromagnetic energy outward. The wire harness ends need to be processed during the wire harness production process. In order to realize automated production and improve the quality and efficiency of processed products, some wires need to cut off the shielding net in the wire harness after stripping and other processes. There is currently no effective shielding net cutting device. Traditional manual operations are inefficient and the cutting quality cannot be guaranteed. Therefore, it is necessary to develop a device that automatically cuts the shielding net to improve the wire harness production efficiency and lay a foundation for the stability of subsequent processes. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a multi-wire shielding net cutting device. The utility model has novel structure, ingenious conception, simple and convenient operation, effectively improves the production efficiency of the wire harness, and achieves the purpose of automatically cutting off the shielding net.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model includes a shifting mechanism and a shielding net cutting mechanism, the lower end of the shielding net cutting mechanism is fixedly connected to the shifting mechanism, one side of the shielding net cutting mechanism is fixedly connected with at least one inner cutting knife, one side of each inner cutting knife is provided with a pushing knife holder, each pushing knife holder is fixedly connected with an outer cutting knife on the side corresponding to the inner cutting knife, the middle part of each outer cutting knife is slidably connected with a spring block, the position of the shielding net cutting mechanism corresponding to the pushing knife holder is fixedly connected with a driving member, and the output shaft of each driving member is fixedly connected with the corresponding pushing knife holder.

[0005] Preferably, the shifting mechanism comprises a module base plate, a side of the module base plate close to the shielding net cutting mechanism is fixedly connected to a first linear guide rail, the other side of the first linear guide rail is fixedly connected to a second linear guide rail, and the second linear guide rail is fixedly connected to the shielding net cutting mechanism.

[0006] Preferably, the module base plate is fixedly connected with a first push-pull member at a position corresponding to the first linear guide rail, and the first linear guide is fixedly connected with a second push-pull member at a position corresponding to the second linear guide rail. The first push-pull member, the second push-pull member, the first linear guide and the second linear guide cooperate with each other to form a limiting structure for the cutting shielding net mechanism.

[0007] Preferably, a waste box is fixedly connected to one side of the corresponding inner cutting knife of the shielding net cutting mechanism.

[0008] Compared with the prior art, the present invention has the following beneficial effects:

[0009] 1. The device comprises a module bottom plate, a first linear guide, a second linear guide, a first push-pull member and a second push-pull member. When in use, the pre-processing work fixes the wire harness and flips the shielding net to one side. Then, the first push-pull member pushes the movable part of the first linear guide to make the second linear guide and the shielding net cutting mechanism slide back and forth relative to the traveling direction of the wire harness. At the same time, the second push-pull member makes the shielding net cutting mechanism slide back and forth vertically along the traveling direction of the wire harness through the movable part of the second linear guide. The shielding net cutting mechanism is adjusted to make the wire harness enter the notch position of the inner cutter, which effectively improves the production efficiency of the wire harness, reduces the failure rate, and improves the operation stability.

[0010] 2. The device comprises an inner cutter, a push knife holder, an outer cutter, a spring block and a driving member. When in use, the wire harness enters the notch of the inner cutter, and at the same time, the inner core part of the wire harness shielding net is placed in the middle of the spring block. Then the driving member pushes the knife holder to make the outer cutter slide toward the corresponding inner cutter. At this time, the spring block is flattened and turned into a 90-degree shielding net under the action of the spring. Then the outer cutter and the inner cutter fit together to cut off the outer shielding net, thereby achieving the purpose of automatically cutting off the shielding net and improving the quality of shielding net cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the module bottom plate in the utility model.

[0014] Figure 3 It is a structural schematic diagram of the mid-cut shielding net mechanism of the utility model.

[0015] Figure 4 It is a schematic diagram of the trimming state of the shielding net of the present invention.

[0016] In the figure: 1, shifting mechanism; 2, shielding net cutting mechanism; 201, inner cutting knife; 202, pushing knife holder; 200, outer cutting knife; 203, spring pressure block; 204, driving member; 101, module bottom plate; 102, first linear guide rail; 103, second linear guide rail; 104, first push-pull member; 105, second push-pull member; 205, waste box; 206, spring; 100, vacuum generator. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-Figure 4 The specific implementation modes of the present utility model are further described in detail.

[0018] Embodiment 1, by Figure 1 , Figure 3 and Figure 4 The invention provides a device including a shifting mechanism 1 and a shielding net cutting mechanism 2. In order to facilitate the trimming of the woven part, the lower end of the shielding net cutting mechanism 2 is fixedly connected to the shifting mechanism 1. At least one inner cutter 201 is fixedly connected to one side of the shielding net cutting mechanism 2. The middle part of the inner cutter 201 has an arc-shaped notch. The inner cutter 201 is connected to the shielding net cutting mechanism 2 by bolts. A pushing knife holder 202 is provided on one side of each inner cutter 201. The pushing knife holder 202 is slidably connected to the shielding net cutting mechanism 2. The pushing knife holder 202 can slide back and forth along the traveling direction of the wire harness. An outer cutter 200 is fixedly connected to one side of each pushing knife holder 202 corresponding to the inner cutter 201. A spring block 203 is slidably connected to the middle part of each outer cutter 200. The end of the spring block 203 close to the corresponding inner cutter 201 is tapered, and the spring block 203 is away from the corresponding inner cutter 201. A spring 206 is fixedly connected to one side of the inner cutter 201, and the other end of the spring 206 is fixedly connected to the corresponding pushing knife holder 202. The position of the corresponding pushing knife holder 202 of the shielding net cutting mechanism 2 is fixedly connected with a driving member 204, and the output shaft of each driving member 204 is fixedly connected to the corresponding pushing knife holder 202. When in use, the wiring harness enters the notch position of the inner cutter 201, and at the same time, the inner core part of the wiring harness shielding net is placed in the middle of the spring block 203, and then the driving member 204 pushes the knife holder 202 to make the outer cutter 200 slide toward the corresponding inner cutter 201. At this time, the spring block 203 is flattened and turned into a 90-degree shielding net under the action of the spring 206. Then the outer cutter 200 and the inner cutter 201 fit together to cut off the outer shielding net. The spring 206 maintains appropriate pressure between the spring block 203 and the inner cutter 201 to avoid damage to the cable.

[0019] Embodiment 2, based on embodiment 1, Figure 1 and Figure 2 It is given that, in order to achieve the purpose of adjusting the position of the wiring harness, the shifting mechanism 1 includes a module base plate 101 and a vacuum generator 100, the vacuum generator 100 is fixedly connected to the module base plate 101, the side of the module base plate 101 close to the shielding net cutting mechanism 2 is fixedly connected with a first linear guide 102, the other side of the first linear guide 102 is fixedly connected with a second linear guide 103, the sliding part of the first linear guide 102 is fixedly connected to the fixed part of the second linear guide 103, the second linear guide 103 is fixedly connected to the shielding net cutting mechanism 2, and the sliding part of the second linear guide 103 is fixedly connected to the shielding net cutting mechanism 2.

[0020] Embodiment 3, based on embodiment 2, Figure 1 and Figure 2 It is given that, in order to achieve the purpose of moving the wire harness into an appropriate position by the mobile device, the module base plate 101 is fixedly connected with a first push-pull member 104 at a position corresponding to the first linear guide 102. The first push-pull member 104 can be a component that can realize linear reciprocating motion, such as a cylinder, an electric push rod or a linear motor. The movable part of the first push-pull member 104 is fixedly connected to the movable part of the first linear guide 102. The position of the first linear guide 102 corresponding to the second linear guide 103 is fixedly connected with a second push-pull member 105. The second push-pull member 105 can be a component that can realize linear reciprocating motion, such as a cylinder, an electric push rod or a linear motor. The second push-pull member 105 The movable part of 05 is fixedly connected to the sliding part of the second linear guide 103, and the first push-pull member 104, the second push-pull member 105, the first linear guide 102 and the second linear guide 103 cooperate with each other to form a limiting structure of the shielding net cutting mechanism 2. When in use, the first push-pull member 104 pushes the movable part of the first linear guide 102 to make the second linear guide 103 and the shielding net cutting mechanism 2 reciprocate relative to the direction of travel of the wire harness. At the same time, the second push-pull member 105 makes the shielding net cutting mechanism 2 reciprocate vertically along the direction of travel of the wire harness through the movable part of the second linear guide 103, and adjusts the shielding net cutting mechanism 2 to make the wire harness enter the notch position of the inner cutting knife 201.

[0021] Embodiment 4, based on embodiment 1, Figure 3 and Figure 4 It is given that, in order to achieve the purpose of collecting and cutting off part of the shielding net, a waste box 205 is fixedly connected to one side of the corresponding inner cutter 201 of the shielding net cutting mechanism 2. When in use, the spring block 203 contacts the inner cutter 201 to cut off the shielding net, and then the shielding net falls into the waste box 205. The lower end of the waste box 205 is connected to the vacuum generator 100, and the vacuum generator 100 will extract the cut shielding net.

[0022] When the utility model is used, the pre-sequence work fixes the wire harness, and cuts one side of the shielding net in the direction of the wire harness, and flips the shielding net. Then, when used, the first push-pull member 104 pushes the movable part of the first linear guide 102 to make the second linear guide 103 and the shielding net cutting mechanism 2 slide back and forth relative to the direction of the wire harness. At the same time, the second push-pull member 105 makes the shielding net cutting mechanism 2 slide back and forth vertically along the direction of the wire harness through the movable part of the second linear guide 103, and adjusts the shielding net cutting mechanism 2 so that the wire harness enters the notch position of the inner cutter 201, and at the same time, the inner wire core part of the wire harness shielding net is placed on the spring block 20 3, the side of the shielding net that is cut corresponds to the side of the opening of the inner cutter 201, and the shielding net is completely placed between the inner cutter 201 and the outer cutter 200. Then the driving member 204 pushes the knife holder 202 to make the outer cutter 200 slide toward the corresponding inner cutter 201. At this time, the spring block 203 flattens the shielding net that is turned 90 degrees under the action of the spring 206. Then the outer cutter 200 and the inner cutter 201 fit together to cut off the outer shielding net, and then the shielding net falls into the waste box 205. The lower end of the waste box 205 is connected to the vacuum generator 100, and the vacuum generator 100 extracts the cut shielding net.

[0023] The utility model has novel structure, ingenious conception and simple and convenient operation. The design effectively improves the production efficiency of the wire harness and achieves the purpose of automatically cutting off the shielding net.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multi-line shielding net cutting device, comprising a shifting mechanism (1) and a shielding net cutting mechanism (2), wherein the lower end of the shielding net cutting mechanism (2) is fixedly connected to the shifting mechanism (1), characterized in that: At least one inner cutter (201) is fixedly connected to one side of the shielding net cutting mechanism (2), a pushing knife holder (202) is provided on one side of each inner cutter (201), an outer cutter (200) is fixedly connected to one side of each pushing knife holder (202) corresponding to the inner cutter (201), a spring block (203) is slidably connected to the middle of each outer cutter (200), a driving member (204) is fixedly connected to the position of the pushing knife holder (202) of the shielding net cutting mechanism (2), and the output shaft of each driving member (204) is fixedly connected to the corresponding pushing knife holder (202).

2. A multi-wire cut shielding net device according to claim 1, characterized in that: The displacement mechanism (1) comprises a module base plate (101), a first linear guide rail (102) being fixedly connected to one side of the module base plate (101) close to the shielding net cutting mechanism (2), a second linear guide rail (103) being fixedly connected to the other side of the first linear guide rail (102), and the second linear guide rail (103) being fixedly connected to the shielding net cutting mechanism (2).

3. A multi-wire cut shielding net device according to claim 2, characterized in that: The module base plate (101) is fixedly connected to a first push-pull member (104) at a position corresponding to the first linear guide rail (102); the first linear guide rail (102) is fixedly connected to a second push-pull member (105) at a position corresponding to the second linear guide rail (103); the first push-pull member (104), the second push-pull member (105), the first linear guide rail (102) and the second linear guide rail (103) cooperate with each other to form a limiting structure of the shielding net cutting mechanism (2).

4. A multi-wire cut shielding net device according to claim 1, characterized in that: A waste box (205) is fixedly connected to one side of the shielding net cutting mechanism (2) corresponding to the inner cutting knife (201).

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