CN107437716B

CN107437716B - Terminal wire pressing device

Info

Publication number: CN107437716B
Application number: CN201710621798.5A
Authority: CN
Inventors: 于浩; 姜志刚; 康广有; 叶青; 董钟泽; 黄峰
Original assignee: State Grid Fuxin Electric Power Supply Co; State Grid Corp of China SGCC
Current assignee: State Grid Fuxin Electric Power Supply Co; State Grid Corp of China SGCC
Priority date: 2017-07-27
Filing date: 2017-07-27
Publication date: 2023-08-18
Anticipated expiration: 2037-07-27
Also published as: CN107437716A

Abstract

Terminal compresses tightly line device belongs to the line field of compressing tightly, and technical essential: the slide block supports the die pressing frame sleeve through the die support and forms fixed connection, the die seat comprises a straight cylinder and a diameter-changing cylinder which is positioned in front of the straight cylinder and tends to be in the direction of the straight cylinder and gradually increases in radius, a plurality of die holes for the die to move in are distributed on the cylindrical surface of the diameter-changing cylinder, the increase of the height of the inclined bottom surface of the rectangular column is the same as the increase trend of the radius of the diameter-changing cylinder, the die pressing frame sleeve transversely moves and presses the rectangular column inwards into the diameter-changing cylinder along the die holes when moving along the inclined surface of the rectangular column of the die, and the effect is that: the mould can be to arranging the terminal that needs to compress tightly the line in it and operate to the line of terminal is compressed tightly with the ring shape, need not to change the mould, as long as adjust the stroke displacement can satisfy the demand of different compression sizes, adjust the atmospheric pressure of cylinder and still can change the packing force.

Description

Terminal wire pressing device

Technical Field

The invention belongs to the field of wire compression, and relates to a terminal wire compression device.

Background

In the power distribution network engineering construction process, the terminal compaction is an indispensable process, and the traditional terminal compaction is carried out manually by adopting line pressing pliers, so that constructors are required to have certain experience, otherwise, the process cannot meet the requirements. Firstly, to different terminal models, different moulds need to be replaced. Secondly, the technical level requirement of constructors is higher, the strength is too big to lead to the terminal crimping seam to be uneven, the file is used to grind flat and not pleasing to the eye during installation, the strength is too little to lead to the terminal to compress tightly inadequately, the easy heat generation of operation breaks down. Thirdly, the time and effort are wasted after the terminal is pressed from the mounting of the die to the pressing, and approximately 15 minutes are needed.

Disclosure of Invention

In order to solve the problems, the invention provides the following technical scheme:

the utility model provides a terminal compresses tightly line device, includes first hydro-cylinder seat, second hydro-cylinder seat, hydro-cylinder, mould, be connected through the hydro-cylinder slide between first hydro-cylinder seat and the second hydro-cylinder seat, first hydro-cylinder seat is fixed in the hydro-cylinder on it, the jar core and the slider of hydro-cylinder are connected, slider slidable connection is on the slide, the slider is supported and forms fixed connection to the mould pressure frame cover through the mould support, the second hydro-cylinder seat is fixed on it with the mould seat, the mould seat include straight drum and lie in its place ahead trend straight drum direction and radius diameter-changing drum that gradually increases, the cylinder face that is used for the mould to move in its mould hole in the cylinder face of diameter-changing drum distributes and has a plurality of springs that correspond with the mould hole on straight drum, the mould includes straight board and the rectangular column that has the slope bottom surface, straight board and slope bottom surface are connected as an organic whole, the increase of the height of the slope bottom surface of rectangular column is the same with the radius-changing drum trend increase, the mould pressure frame cover transversely moves and reaches when moving along the slope of mould rectangular column in the inside diameter-changing drum along the mould hole.

The first oil cylinder seat, the second oil cylinder seat and the sliding block are rectangular plates, the sliding way is divided into an upper sliding way and a lower sliding way, and each sliding way has more than two sliding ways and is horizontally arranged in parallel.

The die and the die compacting sleeve are positioned between the upper slide way and the lower slide way, and the die support is fixed between the sliding block and the cylinder wall of the bottom surface of the die compacting sleeve.

The slide block is provided with a slide way through hole, the slide way cylinder is arranged in the slide way through hole, the slide way cylinder and the slide way are matched to slide so that the slide block slides along the slide way, and the die pressing sleeve is pushed to slide through the die support.

The die holes are uniformly distributed on the cylindrical surface of the reducing cylinder at equal intervals, the springs are uniformly distributed on the cylindrical surface of the straight cylinder at equal intervals, and the die holes and the springs are basically in a linear corresponding relation.

The terminal hold-down wire apparatus further includes a hydraulic distributor connected to the cylinder.

The beneficial effects are that: the die pressing frame sleeve is driven to move forwards when the sliding block slides forwards, the rectangular column is pressed inwards into the reducing cylinder along the die hole until the die pressing frame sleeve moves transversely and moves along the inclined plane of the rectangular column, namely, the die can compress the terminal which is arranged in the rectangular column and needs to compress the wire, so that the wire of the terminal is compressed in a circular ring shape, the die does not need to be changed, the requirements of different compressing sizes can be met only by adjusting stroke displacement, and the compressing force can be changed by adjusting the air pressure of the air cylinder.

Drawings

Fig. 1 is a schematic structure view of a terminal hold-down wire device of the present invention.

Wherein: 1. the cylinder, the first cylinder seat, the slideway tube, the slideway, the cylinder core, the slide block, the mould bracket, the mould pressing bracket sleeve, the spring, the mould, 11, straight cylinder 12, second cylinder seat 13, straight plate 14, inclined surface 15, rectangular column 16, reducing cylinder 17, bracket 18 and hydraulic distributor.

Detailed Description

The utility model provides a terminal compresses tightly line device, includes first hydro-cylinder seat, second hydro-cylinder seat, hydro-cylinder, mould, be connected through the hydro-cylinder slide between first hydro-cylinder seat and the second hydro-cylinder seat, first hydro-cylinder seat is fixed in the hydro-cylinder on it, the jar core and the slider of hydro-cylinder are connected, slider slidable connection is on the slide, the slider is supported and forms fixed connection to the mould pressure frame cover through the mould support, the second hydro-cylinder seat is fixed on it with the mould seat, the mould seat include straight drum and lie in its place ahead trend straight drum direction and radius diameter-changing drum that gradually increases, the cylinder face that is used for the mould to move in it is distributed to the cylinder face of diameter-changing drum has a plurality of mould holes that are used for, has the spring that corresponds with the mould hole on straight drum, the mould includes straight board and the rectangle post that has the slope bottom surface, straight board is connected as an organic whole with the slope bottom surface, the increase of the height of the slope bottom surface and the same of diameter-changing drum's radius increase, namely towards the direction of straight drum, slope bottom surface is by low to high change, and rectangle post is increased gradually. The cylinder is pressurized to push the sliding block to slide towards the direction of the die pressing frame sleeve, and the sliding block is fixedly connected with the die pressing frame sleeve through the die support, so that the die pressing frame sleeve is driven to move forwards when the sliding block slides forwards, the rectangular column is pressed inwards into the reducing cylinder along the die hole until the die pressing frame sleeve moves transversely and moves along the inclined plane of the rectangular column of the die, namely, the die can compress the terminal which is arranged in the rectangular column and needs to be compressed by the wire, the wire of the terminal is compressed in a circular ring shape, the die does not need to be changed, the requirements of different compression sizes can be met only by adjusting stroke displacement, and the pressure of the adjusting cylinder can also change the compression force.

The first oil cylinder seat, the second oil cylinder seat and the sliding block are rectangular plates, the sliding way is divided into an upper sliding way and a lower sliding way, and each sliding way has more than two sliding ways and is horizontally arranged in parallel. The die and the die compacting sleeve are positioned between the upper slide way and the lower slide way, and the die support is fixed between the sliding block and the cylinder wall of the bottom surface of the die compacting sleeve. The slide block is provided with a slide way through hole, the slide way cylinder is arranged in the slide way through hole, the slide way cylinder and the slide way are matched to slide so that the slide block slides along the slide way, and the die pressing sleeve is pushed to slide through the die support. The die holes are uniformly distributed on the cylindrical surface of the reducing cylinder at equal intervals, the springs are uniformly distributed on the cylindrical surface of the straight cylinder at equal intervals, and the die holes and the springs are basically in a linear corresponding relation.

The terminal hold-down wire apparatus further includes a hydraulic distributor connected to the cylinder. The hydraulic distributor provides power for the hydro-cylinder for the cylinder core is realized stretching forward and retracting, and it includes casing and valve rod, is provided with the oil duct in the inner chamber of casing, and the valve rod cartridge is in the casing, and the surface of casing is provided with oil inlet, oil return opening, forward direction control mouth, reverse direction control mouth, and the surface of the valve rod that is arranged in the casing inner chamber is provided with the cyclic annular oil groove, and the front end of valve rod articulates there is the rocking arm, installs automatic return device at the rear end of valve rod, automatic return device includes return seat, return screw, sets up the return spring between return seat and valve rod, be provided with the recess that holds return screw on the terminal surface of return seat, the center of recess is provided with the screw hole that runs through return seat, and return screw passes on the terminal surface of screw hole spiro union on the valve rod on the return seat, of course hydraulic distributor also can be other current hydraulic distributors that realize that the cylinder core stretched forward and retracted.

The terminal pressing wire device is arranged on the bracket.

The terminal pressing line device of the embodiment mainly comprises an oil cylinder, a transmission mechanism and the like. The terminal of any model can be pressed through the arrangement, and a die does not need to be replaced; the requirements on the technical level of constructors are not high, and the pressed terminal surface is smooth and compact; time and labor are saved, and only 20 seconds are needed for crimping one terminal. The compression of terminals of any model can be realized without changing the die. The requirements on the technical level of constructors are not high, and the pressed terminal has a flat and compact surface. Time and labor are saved, and only 20 seconds are needed for crimping one terminal.

While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a terminal compresses tightly line device, its characterized in that includes first hydro-cylinder seat, second hydro-cylinder seat, hydro-cylinder, mould, be connected through the hydro-cylinder slide between first hydro-cylinder seat and the second hydro-cylinder seat, first hydro-cylinder seat is fixed in the hydro-cylinder on it, the jar core and the slider of hydro-cylinder are connected, slider slidable connection is on the slide, the slider is supported and forms fixed connection to the mould pressure frame cover through the mould support, the second hydro-cylinder seat is fixed on it with the mould seat, the mould seat include straight drum and be located in its place ahead and the diameter-changing drum that tends to straight drum direction and radius increase gradually, the cylinder of diameter-changing drum distributes and has a plurality of mould holes that are used for the mould to remove in it, has the spring that corresponds with the mould hole on straight drum, the mould includes straight board and has the rectangular post of slope bottom surface, the straight board is connected as an organic whole with the slope bottom surface, the increase of the height of the slope bottom surface of rectangular post is the same with the trend that the radius increase of diameter-changing drum, the mould frame cover transversely moves and reaches when moving along the slope of rectangular post and moves in the diameter-changing drum along the mould hole rectangle diameter.

2. The terminal hold-down wire device of claim 1, wherein the first cylinder base, the second cylinder base and the sliding block are rectangular plates, the sliding way is divided into an upper way sliding way and a lower way sliding way, and each sliding way has more than two sliding ways and is horizontally arranged in parallel.

3. The terminal hold-down wire apparatus of claim 2, wherein the die and die hold-down sleeve are positioned between the upper runner and the lower runner, and the die holder is secured between the slider and the barrel wall of the bottom surface of the die hold-down sleeve.

4. The terminal hold-down wire apparatus of claim 1, wherein the slide has a slide through hole, the slide cylinder is disposed in the slide through hole, and the slide cylinder slides in cooperation with the slide so that the slide slides along the slide to push the die holding-down sleeve to slide through the die holder.

5. The terminal hold-down wire apparatus of claim 1, wherein the die holes are equally spaced from the cylindrical surface of the reducing cylinder, the springs are equally spaced from the cylindrical surface of the straight cylinder, and the die holes are in substantially linear correspondence with the springs.

6. The terminal hold-down wire apparatus of claim 1, further comprising a hydraulic distributor connected to the cylinder.