Cable crimping pliers capable of cutting in multiple directions

Abstract

The utility model relates to a cable crimping plier capable of cutting in multiple directions, which belongs to the technical field of cable crimping plier, and comprises a jaw, a hydraulic plier head connected to the right end of the jaw, a fixed plier handle connected to the right end of the hydraulic plier head, a pressing plier handle rotatably connected to the hydraulic plier head, and a multidirectional cutting mechanism arranged below the jaw. The multi-direction cutting mechanism comprises a base, a plurality of lower clamping rings are connected to the base, a cutting ring is arranged on the lower clamping ring on the front side, an arc-shaped cutter is connected to the inner circle of the cutting ring, and a movable cutter is installed between the lower clamping ring on the front side and the lower clamping ring on the middle side. According to the utility model, a cable passes through the clamping ring on the base, the cutting ring is driven firstly, so that the arc-shaped cutter in the cutting ring cuts a plastic layer on the surface of the cable, then the movable cutter is utilized to cut the cut plastic layer section, a plastic shell of the section is completely stripped, and a cable core is quickly obtained. And the wiring terminal and the cable core can be conveniently crimped together by the crimping pliers.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable crimping pliers, in particular to a cable crimping pliers capable of multi-directional cutting. Background Art

[0002] Cable crimping pliers refer to professional hydraulic tools specially used for crimping cables and terminals in power engineering. The cable head is the weakest part of the entire cable. Therefore, the production of cable heads is very important in power engineering construction. During the cable head production process, the cable needs to be cut open, the cable core needs to be insulated, and then the terminal blocks need to be installed on the cable core. The terminal blocks can be deformed under the action of tools such as crimping pliers, thereby being crimped together with the cable core to ensure the strength and effectiveness of the connection.

[0003] During the upgrade and reconstruction of cable lines, a large number of cables need to be replaced. Therefore, the cable shells and cable cores of different cables need to be stripped. In the existing technology, most of them are stripped manually using other tools, which is more complicated and time-consuming. The use efficiency of cable crimping pliers is not high. Utility Model Content

[0004] The purpose of the utility model is to provide a cable crimping pliers with a simple structure, reasonable design and multi-directional cutting capability in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A cable crimping pliers capable of multi-directional cutting comprises a jaw, the right end of the jaw is connected to a hydraulic pliers head, the right end of the hydraulic pliers head is connected to a fixed pliers handle, the hydraulic pliers head is rotatably connected to a pressing pliers handle, a multi-directional cutting mechanism is provided under the jaw, the multi-directional cutting mechanism comprises a base, a plurality of lower clamping rings are connected to the base, a stud is rotatably connected to the upper end of the jaw, a pressure plate is threadedly connected to the stud, the base and the pressure plate are both connected to a cutting ring through a connecting rod, the inner ring of the cutting ring is connected to an arc-shaped cutter, a plurality of upper clamping rings are connected to the pressure plate, the upper clamping rings correspond in position to the lower clamping rings, and movable cutters are provided between the rear lower clamping ring and the middle lower clamping ring, and between the rear upper clamping ring and the middle upper clamping ring.

[0007] As a further optimization scheme of the present utility model, a cutting rack is installed between the lower snap ring on the rear side and the lower snap ring on the middle side, and between the upper snap ring on the rear side and the upper snap ring on the middle side. A slider is slidably fitted on the cutting rack, and the slider is connected to the movable cutter. A push rod is connected to the rear end of the slider, and the push rod passes through the side plate. A spring is mounted on the push rod, and the two ends of the spring are respectively connected to the slider and the side plate.

[0008] As a further optimization solution of the present invention, a positioning groove is provided in the jaws, and a first mold and a second mold are slidably fitted in the positioning groove. The first mold and the second mold are in an axisymmetric structure at the opening position.

[0009] As a further optimization solution of the present invention, a hydraulic cylinder is installed in the hydraulic pliers head, the output end of the hydraulic cylinder corresponds to the first die position, and a reset knob is installed on the hydraulic pliers head, and the reset knob is connected to the hydraulic cylinder.

[0010] As a further optimization solution of the present invention, a piston is rotatably connected under the pressing clamp handle, and the piston is connected to the hydraulic cylinder.

[0011] As a further optimization solution of the present invention, a through hole is provided on the jaws, and a positioning rod is connected through the through hole.

[0012] As a further optimization solution of the present invention, a plastic handle is installed on the fixed pliers handle.

[0013] The beneficial effects of the present invention are:

[0014] 1. The utility model passes the cable through the clamp ring on the base, first drives the cutting ring, so that the arc-shaped cutter in the cutting ring cuts the plastic layer on the surface of the cable, and then pushes the push rod forward to make the movable cutter cut the cut plastic layer segment, completely peeling off the plastic shell of the segment, cutting the cable sheath in multiple directions horizontally and vertically, quickly obtaining the cable core, and facilitating the crimping pliers to crimp the terminal and the cable core together.

[0015] 2. The utility model positions the cable and the terminal through the clamp, and at the same time increases the stability of the cable crimping pliers during use, prevents the terminal and the cable from falling off during crimping, and improves the working efficiency of the crimping pliers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall front three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall side three-dimensional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 4 This is a three-dimensional structural diagram of the multi-directional cutting mechanism of the utility model;

[0020] Figure 5 yes Figure 4 A partial enlarged view of point A in the middle.

[0021] In the figure: 1. Jaws; 2. Hydraulic pliers head; 3. Fixed pliers handle; 4. Pressing pliers handle; 5. Multi-directional cutting mechanism; 51. Base; 52. Lower retaining ring; 53. Cutting ring; 54. Curved cutter; 55. Moving cutter; 56. Stud; 57. Pressure plate; 58. Upper retaining ring; 59. Cutting knife holder; 510. Slider; 511. Push rod; 512. Spring; 6. Positioning groove; 7. First die; 8. Second die; 9. Hydraulic cylinder; 10. Piston; 11. Reset knob; 12. Through hole; 13. Positioning rod; 14. Plastic handle. DETAILED DESCRIPTION

[0022] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0023] Example

[0024] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, a cable crimping pliers capable of multi-directional cutting comprises a jaw 1, the right end of the jaw 1 is connected to a hydraulic clamp head 2, the right end of the hydraulic clamp head 2 is connected to a fixed clamp handle 3, the hydraulic clamp head 2 is rotatably connected to a pressing clamp handle 4, a multi-directional cutting mechanism 5 is provided under the jaw 1, the multi-directional cutting mechanism 5 comprises a base 51, a plurality of lower clamping rings 52 are connected to the base 51, a stud 56 is rotatably connected to the upper end of the jaw 1, a pressure plate 57 is threadedly connected to the stud 56, and the base 51 and the pressure plate 57 are both provided with screws. The connecting rod is connected to a cutting ring 53, and the inner ring of the cutting ring 53 is connected to an arc-shaped cutter 54. An upper snap ring 58 is connected to the pressure plate 57, and the upper snap ring 58 corresponds to the position of the lower snap ring 52. A movable cutter 55 is provided between the rear lower snap ring 52 and the middle lower snap ring 52, and between the rear upper snap ring 58 and the middle upper snap ring 58. Limit grooves are provided on the side plates at both ends of the pressure plate 57, and a limiting block is connected to the upper end of the jaw 1. The limiting block slides in cooperation with the limiting groove to limit the movement of the pressure plate 57.

[0025] A cutter frame 59 is installed between the rear lower snap ring 52 and the middle lower snap ring 52, and between the rear upper snap ring 58 and the middle upper snap ring 58. A slider 510 is slidably fitted on the cutter frame 59. The slider 510 is connected to the movable cutter 55. A push rod 511 is connected to the rear end of the slider 510. The push rod 511 passes through the side plate. A spring 512 is sleeved on the push rod 511. The two ends of the spring 512 are respectively connected to the slider 510 and the side plate. Place one end of the complete cable on the lower snap ring 52 and twist the jaws 1. The screw 56 is rotated and the pressing plate 57 is moved downward, so that the upper snap ring 58 is matched with the lower snap ring 52. At the same time, the cutting ring 53 is also matched up and down. The arc cutter 54 in the cutting ring 53 cuts a circular incision in the plastic layer wrapped around the cable. Then the push rod 511 is pushed forward. The push rod 511 drives the slider 510 to move forward on the cutter frame 59, thereby driving the movable cutter 55 to move forward to cut the upper and lower sides of the plastic layer. The plastic layer is peeled off along the incision to leak out the cable. The core, a positioning groove 6 is provided in the jaws 1, and a first die 7 and a second die 8 are slidably fitted in the positioning groove 6. The first die 7 and the second die 8 are axially symmetrical in the opening position. A hydraulic cylinder 9 is installed in the hydraulic pliers head 2, and the output end of the hydraulic cylinder 9 corresponds to the position of the first die 7. A reset knob 11 is installed on the hydraulic pliers head 2, and the reset knob 11 is connected to the hydraulic cylinder 9. The piston 10 is connected to the hydraulic cylinder 9 when the pressing pliers handle 4 is rotated. The piston 10 is connected to the hydraulic cylinder 9. A through hole 12 is provided on the jaws 1, and a positioning rod 13 is connected through the through hole 12. The pressing pliers handle 4 is repeatedly pressed downward, and the reciprocating motion of the piston 10 pressurizes the hydraulic cylinder 9, causing the output end of the hydraulic cylinder 9 to extend, pushing the first die 7 to the left to cooperate with the second die 8. The second die 8 is fixed under the obstruction of the positioning rod 13, thereby squeezing the wiring terminals in the die holes of the first die 7 and the second die 8 to be connected to the cable core. A plastic handle 14 is installed on the fixed pliers handle 3 to increase the stability of the cable crimping pliers when in use.

[0026] When in use, first place one end of the complete cable on the lower snap ring 52, screw the stud 56 on the jaw 1, and as the stud 56 rotates, the pressure plate 57 moves downward, so that the upper snap ring 58 cooperates with the lower snap ring 52, and at the same time, the cutting ring 53 also cooperates up and down, and the arc-shaped cutter 54 in the cutting ring 53 cuts a circular incision in the plastic layer wrapped around the cable, and then pushes the push rod 511 forward. The push rod 511 drives the slider 510 to move forward on the cutter frame 59, thereby driving the movable cutter 55 to move forward to split the upper and lower sides of the plastic layer, peel off the plastic layer along the incision, and leak out The cable core, release the push rod 511, the spring 512 contracts to bring the mobile cutter 55 back, and then rotate the stud 56 again to move the pressure plate 57 away. After the cable core is sleeved with the terminal, put it on the lower clamping ring 52 again, and repeatedly press the pressing clamp handle 4 downward. The reciprocating motion of the piston 10 pressurizes the hydraulic cylinder 9, causing the output end of the hydraulic cylinder 9 to extend, pushing the first die 7 to the left to cooperate with the second die 8. The second die 8 is fixed under the obstruction of the positioning rod 13, thereby squeezing the terminal in the die hole of the first die 7 and the second die 8, so that it is connected to the cable core quickly and stably.

[0027] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the scope of the present invention, all of which fall within the scope of protection of the present invention.

Claims

1. A cable crimping pliers capable of multi-directional cutting, comprising a jaw (1), characterized in that: The right end of the jaw (1) is connected to a hydraulic pliers head (2), the right end of the hydraulic pliers head (2) is connected to a fixed pliers handle (3), the hydraulic pliers head (2) is rotatably connected to a pressing pliers handle (4), a multi-directional cutting mechanism (5) is provided under the jaw (1), the multi-directional cutting mechanism (5) comprises a base (51), a plurality of lower clamping rings (52) are connected to the base (51), a stud (56) is rotatably connected to the upper end of the jaw (1), and a pressing handle (4) is threadedly connected to the stud (56). The base (51) and the pressing plate (57) are both connected to a cutting ring (53) via a connecting rod, the inner ring of the cutting ring (53) is connected to an arc-shaped cutter (54), and the pressing plate (57) is connected to a plurality of upper snap rings (58), the upper snap rings (58) and the lower snap rings (52) are positioned correspondingly, and a movable cutter (55) is provided between the rear lower snap ring (52) and the middle lower snap ring (52), and between the rear upper snap ring (58) and the middle upper snap ring (58).

2. The cable crimping pliers capable of multi-directional cutting according to claim 1, characterized in that: A cutter frame (59) is installed between the lower snap ring (52) on the rear side and the lower snap ring (52) on the middle side, and between the upper snap ring (58) on the rear side and the upper snap ring (58) on the middle side. A slider (510) is slidably fitted on the cutter frame (59). The slider (510) is connected to the movable cutter (55). A push rod (511) is connected to the rear end of the slider (510). The push rod (511) passes through the side plate. A spring (512) is sleeved on the push rod (511). The two ends of the spring (512) are respectively connected to the slider (510) and the side plate.

3. The cable crimping pliers capable of multi-directional cutting according to claim 1, characterized in that: A positioning groove (6) is provided in the jaws (1), a first die (7) and a second die (8) are slidably fitted in the positioning groove (6), and the first die (7) and the second die (8) are axially symmetrical structures at the opening position.

4. The cable crimping pliers capable of multi-directional cutting according to claim 3, characterized in that: A hydraulic cylinder (9) is installed in the hydraulic clamp head (2), the output end of the hydraulic cylinder (9) corresponds to the position of the first die (7), and a reset knob (11) is installed on the hydraulic clamp head (2), and the reset knob (11) is connected to the hydraulic cylinder (9).

5. The cable crimping pliers capable of multi-directional cutting according to claim 4, characterized in that: The pressing clamp handle (4) is rotatably connected to a piston (10) below, and the piston (10) is connected to a hydraulic cylinder (9).

6. The cable crimping pliers capable of multi-directional cutting according to claim 1, characterized in that: A through hole (12) is provided on the jaw (1), and a positioning rod (13) is connected through the through hole (12).

7. The cable crimping pliers capable of multi-directional cutting according to claim 1, characterized in that: A plastic handle (14) is installed on the fixed clamp handle (3).

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