CN111262194A - Cable terminal bending machine used in switch cabinet - Google Patents

Abstract

The invention discloses a cable terminal bending machine used in a switch cabinet, comprising a support frame, a support block, a sliding rod, a pressure plate, two stretchers and a sliding rod driving mechanism; the support block is fixed on the support frame The two stretchers are also fixed on the support frame and are located on the front and rear sides of the support block respectively. In the vertical chute, the sliding rod driving mechanism is used to drive the sliding rod to slide up and down in the vertical chute, the pressing plate is fixed on the sliding rod, and the pressing plate can follow the The sliding rod slides up and down to move above and below the two poles. The invention is small in size, light in weight, simple in structure and convenient in operation, and can freely bend each phase of the cable in a small space such as a switch cabinet quickly and conveniently.

Description

A cable terminal bending machine used in switch cabinets

technical field

The invention relates to the field of electrical equipment, in particular to a cable terminal bending machine used in a switch cabinet.

Background technique

At present, it is difficult to bend each phase of the cable when the cable terminal is made in the narrow space of the on-site ring network cabinet, branch box and other cable rooms, especially when the cross-section of the cable core is thick. The radius is unqualified, and the core, main insulation and sheath are damaged, which seriously affects the safe operation of the cable. In addition, it is time-consuming and labor-intensive during the bending operation of each phase of the cable head, which reduces the operation efficiency. In order to solve the above problems, it is urgent to research and design a bending tool that is easy to use, fast, and occupies a small area.

SUMMARY OF THE INVENTION

Aiming at the problem that there is no special tool for bending each phase of the cable terminal in a narrow space at present, the present invention designs a cable terminal bending machine which is simple and quick to use and occupies a small area for use in a switch cabinet.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a cable terminal bending machine used in a switch cabinet, comprising a support frame, a support block, a sliding rod, a pressure plate, two stretchers and a sliding rod driving mechanism;

The support block is fixed on the support frame, and the two stretchers are also fixed on the support frame and are located on the front and rear sides of the support block, respectively. The support block is provided with a vertical chute, The sliding rod is slidably inserted in the vertical chute, the sliding rod driving mechanism is used to drive the sliding rod to slide up and down in the vertical sliding groove, and the pressing plate is fixed on the sliding rod , and the pressing plate can move to the top and bottom of the two poles along with the up and down sliding of the sliding rod.

Further, the sliding rod driving mechanism includes a connecting rod rotatably mounted on the support block, a gear fixed on the connecting rod, a rack fixed on the sliding rod, and a connecting rod mounted on the connecting rod the operating handle, the gear is movably arranged in the support block, the rack is parallel to the sliding rod, and the gear and the rack are engaged with each other.

Further, a bearing is provided between the connecting rod and the support block.

Further, the support frame includes a cross brace and two diagonal braces, the support block is fixed in the middle of the cross brace, the two stretchers are respectively fixed on both ends of the cross brace, and the two One end of the diagonal brace is respectively fixed on both ends of the transverse brace, and the other end is respectively fixed on the support block.

Further, the upper and lower ends of the sliding rod are respectively provided with limit plates for preventing the sliding rod from coming out of the vertical chute.

Further, more than one vertical track groove is opened on the groove wall of the vertical chute, and a vertical rib is provided on the sliding rod at the position corresponding to the vertical track groove. The rib is slidably inserted in the vertical track groove.

Further, a plurality of rolling balls arranged vertically are built in the vertical rail groove, and the upper and lower ends of the vertical rail groove are respectively provided with a plurality of rolling balls to prevent the rolling balls from falling out of the vertical rail groove. the baffle plate, the vertical protruding rib is slidably matched with the vertical track groove through a plurality of the rolling balls.

Further, the pressing plate is fixed on the sliding rod through a connecting block, the connecting block is fixed on the lower end of the sliding rod, the pressing plate is fixed on the bottom of the connecting block, and the vertical sliding groove is connected to the bottom of the connecting block. A notch is formed on the same side where the connection block is located, and the connection block can pass through the notch.

Further, the bottom surface of the pressing plate is an arc surface.

Further, the two poles are round poles.

The beneficial effects of the present invention are embodied in:

When the cable needs to be bent, first move the sliding rod upward through the sliding rod driving mechanism. When the pressure plate moves to the top of the two poles along with the sliding rod, place the cable terminal that needs to be bent on the two poles, and then pass the The sliding rod driving mechanism makes the sliding rod move downward, so that the pressure plate falls along with the cable terminal, and continues to fall, and finally the pressure plate presses the cable terminal and bends downward to complete the bending operation of the cable terminal. To bend the cable upwards, simply turn the entire press brake 180 degrees. The invention is small in size, light in weight, simple in structure and convenient in operation, and can freely bend each phase of the cable in a small space such as a switch cabinet quickly and conveniently.

On the one hand, the invention improves the manufacturing process of the cable head, prevents the cable from being damaged due to improper bending, and then causes the occurrence of accidents, and ensures the safety of the equipment. On the other hand, the cable can be quickly bent in a narrow space to improve work efficiency; it is suitable for widespread promotion in the technical field.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of the support block in FIG. 1 .

FIG. 3 is a schematic structural diagram of the sliding rod driving mechanism in FIG. 1 .

The components in the attached drawings are marked as follows: 1 pole, 2 support frame, 2-1 diagonal support, 2-2 horizontal support, 3 support block, 4 gear, 5 bearing, 6 connecting rod, 7 operating handle, 8 vertical Chute, 9 sliding rods, 10 vertical ribs, 11 vertical track grooves, 12 rolling balls, 13 baffles, 14 limit plates, 15 connecting blocks, 16 pressing plates, 17 racks.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. The embodiments in this application and the features in the embodiments may be combined with each other without conflict. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that if there are directional indications (such as up, down, left, right, front, back, etc.) involved in the embodiments of the present invention, the directional indications are only used to explain a certain posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication also changes accordingly.

In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for the purpose of description, and should not be construed as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the meaning of "and/or" in the whole text includes three parallel schemes. Taking "A and/or B" as an example, it includes scheme A, scheme B, or scheme satisfying both of A and B. In addition, "a plurality" means two or more. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present invention.

See Figures 1, 2 and 3.

The present invention is used for a cable terminal bending machine in a switch cabinet, including a support frame 2, a support block 3, a sliding rod 9, a pressing plate 16, two stretchers 1 and a sliding rod driving mechanism;

The support block 3 is fixed on the support frame 2, and the two stretchers 1 are also fixed on the support frame 2 and are located on the front and rear sides of the support block 3 respectively. There is a vertical chute 8, the sliding rod 9 is slidably inserted in the vertical chute 8, and the sliding rod driving mechanism is used to drive the sliding rod 9 to slide up and down in the vertical chute 8 , the pressing plate 16 is fixed on the sliding rod 9 , and the pressing plate 16 can move to the top and bottom of the two stretchers 1 along with the up and down sliding of the sliding rod 9 .

When the cable needs to be bent, first move the sliding rod upward through the sliding rod driving mechanism. When the pressure plate moves to the top of the two poles along with the sliding rod, place the cable terminal that needs to be bent on the two poles, and then pass the The sliding rod driving mechanism makes the sliding rod move downward, so that the pressure plate falls along with the cable terminal, and continues to fall, and finally the pressure plate presses the cable terminal and bends downward to complete the bending operation of the cable terminal. To bend the cable upwards, simply turn the entire press brake 180 degrees. The invention is small in size, light in weight, simple in structure and convenient in operation, and can freely bend each phase of the cable in a small space such as a switch cabinet quickly and conveniently.

In one embodiment, the sliding rod driving mechanism includes a connecting rod 6 rotatably mounted on the support block 3 , a gear 4 fixed on the connecting rod 6 , and a rack fixed on the sliding rod 9 . 17 and the operating handle 7 installed on the connecting rod 6, the gear 4 is movably arranged in the support block 3, the rack 17 is parallel to the sliding rod 9, the gear 4 and the tooth The strips 17 mesh with each other. Taking the installation direction in the figure as an example, turn the operating handle counterclockwise, and the operating handle drives the gear to rotate counterclockwise, thereby prompting the sliding rod engaged with the gear to slide upward, thereby driving the pressure plate to move upward. When the operating handle is turned clockwise, the gear rotates. In the opposite direction, the sliding rod slides downward to drive the pressure plate to move downward. This design has a simple structure, is easy to manufacture and install, and is more convenient and quick to use and operate.

In one embodiment, a bearing 5 is provided between the connecting rod 6 and the support block 3 . In this way, the rotating installation of the connecting rod is more lubricated and will not cause dryness.

In one embodiment, the support frame 2 includes a cross brace 2-2 and two diagonal braces 2-1, the support block 3 is fixed in the middle of the cross brace 2-2, and the two stretchers 1 They are respectively fixed on both ends of the cross brace 2-2, one end of the two diagonal braces 2-1 are respectively fixed on both ends of the cross brace 2-2, and the other end is respectively fixed on the support block 3 . This design not only has a simple structure, light weight and small volume of the support frame, but also forms a triangular arm structure with high stability, which can ensure the stability of the support block and the stretcher.

In one embodiment, the upper and lower ends of the sliding rod 9 are respectively provided with limiting plates 14 for preventing the sliding rod 9 from coming out of the vertical chute 8 . With this design, the movement of the sliding rod is restricted, and the use process is more stable and reliable.

In one embodiment, more than one vertical rail groove 11 is formed on the groove wall of the vertical sliding groove 8 , and a vertical protrusion is provided on the sliding rod 9 at the position corresponding to the vertical rail groove 11 . The vertical rib 10 is slidably inserted into the vertical track groove 11 . With this design, through the mutual cooperation of the vertical ridges and the vertical track grooves, the circumferential freedom of the sliding rod can be effectively limited, and the sliding rod can be prevented from being twisted.

In one embodiment, the vertical track groove 11 is built with a plurality of rolling balls 12 arranged vertically, and the upper and lower ends of the vertical track groove 11 are respectively provided with a plurality of rolling balls 12 to prevent the plurality of rolling balls 12 from coming out. The baffle plate 13 of the vertical track groove 11 and the vertical rib 10 are slidably matched with the vertical track groove 11 through a plurality of the rolling balls 12 . In this way, the rolling ball can convert the sliding friction into rolling friction, so that the sliding rod can slide up and down more smoothly without jamming.

In one embodiment, the pressing plate 16 is fixed on the sliding rod 9 through the connecting block 15 , the connecting block 15 is fixed on the lower end of the sliding rod 9 , and the pressing plate 16 is fixed on the lower end of the connecting block 15 . At the bottom, a notch is formed on the same side of the vertical sliding groove as the side where the connecting block 15 is located, and the connecting block 15 can pass through the notch. In this way, the moving range of the sliding rod and the pressing plate is larger, on the one hand, the length of the sliding rod can be shortened, which is suitable for small space applications, and on the other hand, the stroke of the pressing plate and the bending degree of the cable are not affected.

Preferably, the connecting block 15 and the pressing plate 16 are integrally formed, which is convenient for fabrication and installation.

In one embodiment, the bottom surface of the pressing plate 16 is an arc surface. This design can ensure that the bent cable will not be damaged.

In one embodiment, the two poles 1 are round poles. Similarly, this design is also to ensure that the bent cable will not be damaged.

It should be understood that the examples and embodiments described herein are only for illustration, not for limiting the present invention, and those skilled in the art can make various modifications or changes according to it. Modifications, equivalent replacements, improvements, etc., should all be included within the protection scope of the present invention.

Claims (10)

1. A cable terminal bending machine for use in a switch cabinet, characterized in that: it comprises a support frame, a support block, a sliding rod, a pressure plate, two stretchers and a sliding rod driving mechanism; The support block is fixed on the support frame, and the two stretchers are also fixed on the support frame and are located on the front and rear sides of the support block, respectively. The support block is provided with a vertical chute, The sliding rod is slidably inserted in the vertical chute, the sliding rod driving mechanism is used to drive the sliding rod to slide up and down in the vertical sliding groove, and the pressing plate is fixed on the sliding rod , and the pressing plate can move to the top and bottom of the two poles along with the up and down sliding of the sliding rod. 2 . The cable terminal bending machine used in the switch cabinet according to claim 1 , wherein the sliding rod driving mechanism comprises a connecting rod rotatably mounted on the support block, and a connecting rod fixed on the connecting rod. 3 . The gear on the sliding rod, the rack fixed on the sliding rod and the operating handle installed on the connecting rod, the gear is movably arranged in the support block, the rack is parallel to the sliding rod, so The gear and the rack are meshed with each other. 3 . The cable terminal bending machine used in the switch cabinet according to claim 2 , wherein a bearing is provided between the connecting rod and the support block. 4 . 4. The cable terminal bending machine used in a switch cabinet according to claim 1, 2 or 3, wherein the support frame comprises a cross brace and two diagonal braces, and the support block is fixed on the In the middle of the cross brace, two described struts are respectively fixed on the two ends of the cross brace, one end of the two diagonal braces are respectively fixed on the two ends of the cross brace, and the other end is respectively fixed on the support block superior. 5. The cable terminal bending machine used in the switch cabinet according to claim 1, 2 or 3, characterized in that: the upper and lower ends of the sliding rod are respectively provided with a device for preventing the sliding rod from being pulled from the vertical The limit plate that comes out of the chute. 6. The cable terminal bending machine used in the switch cabinet according to claim 1, 2 or 3, characterized in that: more than one vertical track groove is opened on the groove wall of the vertical chute, so Vertical ridges are provided on the sliding rod at positions corresponding to the vertical track grooves, and the vertical ridges are slidably inserted into the vertical track grooves. 7 . The cable terminal bending machine used in the switch cabinet according to claim 6 , wherein a plurality of vertically arranged rolling balls are built in the vertical rail groove, and the vertical rail groove The upper and lower ends are respectively provided with baffle plates for preventing a plurality of the rolling balls from coming out of the vertical track groove, and the vertical ridges are slidably matched with the vertical track groove through the plurality of the rolling balls. 8. The cable terminal bending machine used in the switch cabinet according to claim 1, 2 or 3, wherein the pressing plate is fixed on the sliding rod through a connecting block, and the connecting block is fixed on the The lower end of the sliding rod, the pressing plate is fixed on the bottom of the connecting block, the vertical sliding groove is provided with a notch on the same side as the connecting block, and the connecting block can pass through the notch. 9 . The cable terminal bending machine used in the switch cabinet according to claim 1 , 2 or 3 , wherein the bottom surface of the pressing plate is an arc surface. 10 . 10. The cable terminal bending machine used in the switch cabinet according to claim 1, 2 or 3, characterized in that: both of the two poles are round poles.

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