CN113054510B - Wire pressing device and method for carbon fiber composite core wire - Google Patents
Wire pressing device and method for carbon fiber composite core wire Download PDFInfo
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- CN113054510B CN113054510B CN202110325815.7A CN202110325815A CN113054510B CN 113054510 B CN113054510 B CN 113054510B CN 202110325815 A CN202110325815 A CN 202110325815A CN 113054510 B CN113054510 B CN 113054510B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
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Abstract
The invention discloses a wire pressing device and a method for a carbon fiber composite core wire, belonging to the field of wire pressing devices and comprising a crimping top die, a crimping bottom die, a hydraulic machine base and a slope adjusting assembly; the crimping top die and the crimping bottom die are arranged at the power output end of the hydraulic base; the lower side of the compression joint top die is provided with an upper semi-hexagonal notch, the upper side of the compression joint bottom die is provided with a semi-circular notch, and a compression joint bush is connected in the semi-circular notch in a sliding manner; when the crimping bush is positioned in the semicircular notch, the outer side wall of the crimping bush is attached to the side wall of the semicircular notch, and the inner side of the crimping bush is provided with a lower semicircular notch matched with the upper semicircular notch; the bottom surface of the compression joint bush is provided with a guide rod, the bottom surface of the semicircular notch is provided with a guide chute matched with the guide rod, and one end of the guide rod extends out of one side of the compression joint bush; the crimping pipe is divided into an upper part and a lower part which are sequentially crimped, and the other side is always in a relatively fixed state during crimping, so that the crimping pipe is not easy to bend and damage during crimping deformation.
Description
Technical Field
The invention relates to the field of wire pressing devices, in particular to a wire pressing device and a method for a carbon fiber composite core wire.
Background
The strain clamp used in overhead cable construction generally needs to carry out compression joint treatment on the surface of a round metal pipe of the clamp, however, the round metal pipe has certain plasticity, and is obviously deformed under the extrusion of a steel mould with higher hardness; in addition, the circular metal pipe is in direct contact with the steel die, the traditional die is adopted for crimping treatment during crimping, and when the steel die moves oppositely, the friction force acting on the circular metal pipe causes the material on the surface of the circular metal pipe to generate displacement due to the resistance generated on four sections in contact with the circular metal pipe.
The carbon fiber cable requires that the bending degree after the crimping can not exceed 1% of the total length of the external pressure connecting pipe when the crimping is carried out, and the existing small-sized crimping device is adopted, so that the bending degree can not be guaranteed after the crimping, and the carbon fiber cable is not suitable for being used.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a wire pressing device for a carbon fiber composite core wire, which can ensure that a cable still keeps better straightness after segmented crimping, so that the use of the carbon fiber cable is not influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a wire pressing device for a carbon fiber composite core wire, which comprises a crimping top die, a crimping bottom die, a hydraulic machine base and a slope adjusting assembly, wherein the crimping top die is connected with the crimping bottom die through a connecting rod; the crimping top die and the crimping bottom die are arranged at the power output end of the hydraulic machine base; the lower side of the compression joint top die is provided with an upper half hexagonal notch, the upper side of the compression joint bottom die is provided with a semi-circular notch, and a compression joint bushing is connected in the semi-circular notch in a sliding manner; when the crimping bush is positioned in the semi-arc notch, the outer side wall of the crimping bush is attached to the side wall of the semi-arc notch, and the inner side of the crimping bush is provided with a lower semi-hexagonal notch matched with the upper semi-hexagonal notch; the bottom surface of the compression joint bush is provided with a guide rod, the bottom surface of the semicircular arc notch is provided with a guide chute matched with the guide rod, and one end of the guide rod extends out of one side of the compression joint bush; the inclination adjusting assembly is fixed at the bottom of the hydraulic machine base so as to adjust an included angle between the length direction of the guide rod and a horizontal plane.
The invention has the preferable technical scheme that the guide rods are positioned at two vertex angles at the lower side of the lower half-hexagon notch, the lower side surface of each guide rod is connected with the corresponding guide sliding chute in a sliding manner, the upper side surface of each guide rod is provided with a connecting arc-shaped surface, and the radian of each connecting arc-shaped surface is the same as that of the bottom surface of the corresponding half-arc notch.
The invention preferably adopts the technical scheme that the radius of the semicircular arc gap is larger than or equal to that of the circumscribed circle of the lower semicircular hexagonal gap, and the diameter of the semicircular arc gap is equal to that of a product to be processed.
The invention preferably adopts the technical scheme that a support table is arranged on one side of the crimping bottom die, and a guide sliding groove which is the same as the crimping bottom die is arranged at the upper end of the support table.
The invention has the preferable technical scheme that the inclination adjusting component comprises a fixed base plate, a hinged piece and a wedge-shaped adjusting block, one side of the bottom of the hydraulic machine base is rotatably connected with the fixed base plate through the hinged piece, a plurality of limiting grooves are formed in the fixed base plate along the direction perpendicular to the rotating shaft of the hinged piece, and the wedge-shaped adjusting block is clamped in the limiting grooves.
The invention preferably adopts the technical scheme that the invention further comprises two insertion rods, the length of each insertion rod is equal to that of the guide sliding groove, the lower side surface of each insertion rod is tightly attached to the side wall of the guide sliding groove, the insertion rods are in transition fit with the guide sliding grooves, and the radian of the upper side surface of each insertion rod is equal to that of the bottom surface of the semicircular notch.
The invention has the preferable technical scheme that one side of the hydraulic machine base is provided with a hydraulic pipe connector, two sides of the upper end of the hydraulic machine base are provided with connecting lugs, the two connecting lugs are detachably connected with a support frame, and the compression joint top die is fixed on the support frame.
A wire pressing method for a carbon fiber composite core wire comprises the following steps: step S00: inserting the guide rod into the guide chute so that the crimping bush is not positioned in the semicircular notch;
step S10: placing the crimping pipe to be processed into the semicircular notch, enabling the first section of the crimping pipe to be crimped to be just positioned on the crimping bottom die, and opening the hydraulic machine base to perform first-step crimping;
step S20: the crimping bottom die moves downwards to be separated from the crimping pipe, the crimping bush is slid into the semi-circular notch, and then secondary crimping is carried out;
step S30: enabling the crimping pipe to be still positioned in the crimping bush, then sliding the crimping bush forwards to enable the crimping bush to leave the semi-arc notch, and then carrying out third-time crimping;
step S40: moving the crimping bottom die downwards to separate the crimping bottom die from the crimping pipe, sliding the crimping bush into the semicircular notch, and then crimping; the steps S30 and S40 are repeated until the crimping is completed.
The present invention is preferably configured such that, in step S10, when the crimp bushing interferes with the crimp tube, the insertion rod is inserted into the guide sliding groove instead of the guide rod.
The present invention preferably provides that, in step S40, the sliding distance of the crimping sleeve is smaller than the length of the crimping die block in the length direction of the crimping tube.
The invention has the beneficial effects that:
1. the invention provides a wire pressing device for a carbon fiber composite core wire, which comprises a crimping top die, a crimping bottom die, a hydraulic machine base and a slope adjusting assembly, wherein the crimping top die is connected with the crimping bottom die through a connecting rod; the crimping top die and the crimping bottom die are arranged at the power output end of the hydraulic machine base; the lower side of the compression joint top die is provided with an upper half hexagonal notch, the upper side of the compression joint bottom die is provided with a semi-circular notch, and a compression joint bushing is connected in the semi-circular notch in a sliding manner; when the crimping bush is positioned in the semi-arc notch, the outer side wall of the crimping bush is attached to the side wall of the semi-arc notch, and the inner side of the crimping bush is provided with a lower semi-hexagonal notch matched with the upper semi-hexagonal notch; the bottom surface of the compression joint bush is provided with a guide rod, the bottom surface of the semicircular arc notch is provided with a guide chute matched with the guide rod, and one end of the guide rod extends out of one side of the compression joint bush; the crimping pipe is divided into an upper part and a lower part which are sequentially crimped, and the other side is always in a relatively fixed state during crimping, so that the crimping pipe is not easy to bend and damage during crimping deformation.
2. Inclination adjusting part is fixed in the bottom of hydraulic pressure frame to adjust contained angle between guide bar length direction and the horizontal plane, the cable is located the bottom surface and makes it can have certain inclination to the crimping position, and the effort can lead to the carbon fiber cable to damage when the crimping, makes the effort can go on along the incline direction when the crimping through the tilting design, thereby is more difficult to damage the cable.
Drawings
FIG. 1 is a schematic front side structure diagram of a wire pressing device for a carbon fiber composite core wire provided in an embodiment of the invention;
FIG. 2 is a schematic view of a backside structure of a crimping device for carbon fiber composite core wire provided in an embodiment of the present invention;
in the figure:
1. a hydraulic machine base; 2. crimping a top die; 3. pressing and connecting the bottom die; 4. a support table; 5. crimping the bushing; 6. a slope adjustment assembly; 11. connecting the ear pieces; 12. a support frame; 13. a hydraulic pipe connector; 21. an upper half hexagonal notch; 31. a guide chute; 32. a semicircular arc notch; 51. a lower half hexagonal notch; 61. fixing the bottom plate; 62. a wedge-shaped adjusting block; 63. a limiting groove; 64. a hinge member.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-2, the present embodiment provides a wire pressing device for a carbon fiber composite core wire, which includes a top crimping die 2, a bottom crimping die 3, a hydraulic press base 1, and a slope adjusting assembly 6; the crimping top die 2 and the crimping bottom die 3 are arranged at the power output end of the hydraulic machine base 1; an upper half hexagonal notch 21 is formed in the lower side of the crimping top die 2, a half arc notch 32 is formed in the upper side of the crimping bottom die 3, and a crimping bush 5 is connected to the half arc notch 32 in a sliding mode; when the crimping is first, stop up guide chute 31 through the guide bar for the fine laminating of crimping pipe is in semicircle breach 32, and when making upper portion extrusion deformation, lower part is in fixed state always, thereby crimping pipe can not take place to buckle. Traditional upper and lower both sides equipment of extrusion deformation together can lead to at first in time, and the crimping pipe leads to both sides atress inequality and takes place to buckle easily when being in unsettled state extrusion. When the crimping bush 5 is positioned in the semi-arc notch 32, the outer side wall of the crimping bush 5 is attached to the side wall of the semi-arc notch 32, and the inner side of the crimping bush 5 is provided with a lower semi-hexagonal notch 51 matched with the upper semi-hexagonal notch 21; after the upper half part is subjected to crimping deformation, the upper half part has the limiting effect of the crimping top die 2, so that bending damage cannot be easily caused when the lower half part is deformed. Can directly slide crimping bush 5 after the extrusion of the latter half is accomplished and move the position of crimping pipe for the crimping pipe can not produce the displacement, thereby the crimping is more accurate not pliable. A guide rod is arranged on the bottom surface of the crimping bush 5, a guide chute 31 matched with the guide rod is arranged on the bottom surface of the semicircular notch 32, and one end of the guide rod extends out of one side of the crimping bush 5; the inclination adjusting component 6 is fixed at the bottom of the hydraulic machine base 1 so as to adjust an included angle between the length direction of the guide rod and a horizontal plane. The cable is located the bottom surface and makes it can have certain inclination to the crimping position, and the effort can lead to the carbon fiber cable to damage when the crimping, makes the effort can go on along the incline direction when the crimping through the tilting design to be more difficult to damage the cable.
Preferably, the guide bar is located two apex angle departments of lower half hexagon breach 51's downside, the guide bar downside with guide chute 31 sliding connection, the side of going up of guide bar is provided with the connection arcwall face, the radian of connecting the arcwall face with the bottom surface radian of semicircle breach 32 is the same. Two apex angle departments of lower half hexagon breach 51's downside are the weakest position, can effectively strengthen its intensity through the guide bar, and crimping bush 5 is laminated with crimping die block 3 at the during operation simultaneously to when the crimping warp, crimping bush 5 can not produce deformation, can guarantee the quality of crimping at every turn, and crimping bush 5 can adopt the material of high strength to make simultaneously, and crimping bush 5 structure is less, also is convenient for change, and it is more convenient to use.
Preferably, in order to ensure that the vertex angle of the lower half-hexagon notch 51 has sufficient connection strength, the radius of the half-arc notch 32 is greater than or equal to the radius of the circle circumscribed by the lower half-hexagon notch 51. The diameter of the semicircular arc gap 32 is equal to the diameter of the product to be processed. The pipe fitting that needs the crimping needs just to block in the semicircle breach 32 for half is in stable state all the time when the crimping, thereby can not cause buckling.
Preferably, a supporting table 4 is arranged on one side of the crimping bottom die 3, and a guide chute 31 identical to the crimping bottom die 3 is arranged at the upper end of the supporting table 4. The length of single crimping generally cannot exceed 8cm, and when the length of crimping is larger, the crimping needs to be divided into multiple sections. Since the lower sides of the crimp tubes are round and cannot be snapped into the lower half-hexagon recesses 51 during the first crimping, the crimp sleeves 5 need to be removed so that only the guide rods are located in the guide runners 31, while the crimp sleeves 5 can provide a stable support via the support table 4. Meanwhile, when the second section of crimping is carried out, the crimping pipe is always positioned in the crimping bushing 5, and the support table 4 can effectively keep the stability of the crimping pipe, so that the crimping pipe is always in a stable state.
Preferably, the inclination adjusting assembly 6 comprises a fixed base plate 61, a hinge member 64 and a wedge-shaped adjusting block 62, one side of the bottom of the hydraulic machine base 1 is rotatably connected with the fixed base plate 61 through the hinge member 64, a plurality of limiting grooves 63 are arranged on the fixed base plate 61 along the direction perpendicular to the rotating shaft of the hinge member 64, and the wedge-shaped adjusting block 62 is clamped in the limiting grooves 63. Through with wedge-shaped adjusting block 62 joint in different position spacing groove 63, can fill up hydraulic press frame 1 one side to change the gradient of hydraulic press frame 1. Make effort and crimping pipe length direction perpendicular when the crimping to can not cause the carbon fiber cable to buckle when the crimping.
Preferably, the connecting device further comprises two inserting rods, the length of each inserting rod is equal to that of the corresponding guide sliding groove 31, the lower side surface of each inserting rod is tightly attached to the side wall of the corresponding guide sliding groove 31, the inserting rods are in transition fit with the corresponding guide sliding grooves 31, and the radian of the upper side surface of each inserting rod is identical to that of the bottom surface of the corresponding semi-arc notch 32. When the crimping pipe length that does not crimp is great, crimping bush 5 can cause the interference to the crimping pipe, adopts the inserted bar to replace the guide bar when the crimping of first time can effectively solve this problem, can change for crimping bush 5 once more when the crimping of second time.
Preferably, 1 one side of hydraulic pressure frame is provided with hydraulic pressure union coupling head 13, connecting ear piece 11 is established to 1 upper end both sides of hydraulic pressure frame, can dismantle on two connecting ear pieces 11 and be connected with support frame 12, crimping top die 2 is fixed in on the support frame 12.
A wire pressing method for a carbon fiber composite core wire comprises the following steps: step S00: inserting the guide rod into the guide runner 31 so that the crimping bush 5 is not located in the semicircular notch 32; avoiding interference of the crimping bush 5 in the first crimping.
Step S10: putting the crimping pipe to be processed into the semicircular notch 32, enabling the first section of the crimping pipe to be crimped to be just positioned on the crimping bottom die 3, and starting the hydraulic machine base 1 to perform first-step crimping; the crimping pipe in the semicircular arc gap 32 is in a stable state, and displacement and deformation cannot be generated during crimping, so that the crimping pipe is not easy to bend and deform. Preferably, in step S10, when the crimping bush 5 interferes with the crimping pipe, an insertion rod is inserted into the guide chute 31 instead of the guide rod.
Step S20: the crimping bottom die 3 moves downwards to be separated from the crimping pipe, the crimping bush 5 is slid into the semi-circular notch 32, and then secondary crimping is carried out; at this time, the upper half portion is engaged with and fitted to the upper half hexagonal notch 21, and when the lower half portion is pressure-bonded, the upper half portion is in a stable state, and thus bending does not easily occur even when pressure-bonded.
Step S30: so that the crimping pipe is still positioned in the crimping bush 5, then the crimping bush 5 is slid forward so that the crimping bush 5 is separated from the semicircular arc notch 32, and then the third crimping is performed; adopt gliding mode to move crimping bush 5 forward for the crimping pipe is located crimping bush 5 always, thereby guarantees that the crimping pipe can not produce the skew, can guarantee the uniformity when the crimping of back end, thereby is difficult for producing and buckles.
Step S40: moving the crimping bottom die 3 downwards to separate from the crimping pipe, sliding the crimping bush 5 into the semi-circular notch 32, and then crimping; the steps S30 and S40 are repeated until the crimping is completed. The method is divided into multi-section crimping.
The present invention is preferably configured such that, in step S40, the sliding distance of the crimping sleeve 5 is smaller than the length of the crimping die block 3 in the longitudinal direction of the crimping tube. So that the part of the preceding segment that has been crimped is also located in the crimp bush 5, thereby smoothing the connection between each segment after crimping.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. The utility model provides a cord grip for carbon fiber composite core wire which characterized in that:
the device comprises a crimping top die (2), a crimping bottom die (3), a hydraulic machine base (1) and a slope adjusting assembly (6); the crimping top die (2) and the crimping bottom die (3) are arranged at the power output end of the hydraulic machine base (1);
an upper half hexagonal notch (21) is formed in the lower side of the crimping top die (2), a semi-circular notch (32) is formed in the upper side of the crimping bottom die (3), and a crimping bushing (5) is connected in the semi-circular notch (32) in a sliding mode; when the crimping bush (5) is positioned in the semicircular notch (32), the outer side wall of the crimping bush (5) is attached to the side wall of the semicircular notch (32), and the inner side of the crimping bush (5) is provided with a lower semicircular notch (51) matched with the upper semicircular notch (21);
the bottom surface of the crimping bush (5) is provided with a guide rod, the bottom surface of the semicircular notch (32) is provided with a guide chute (31) matched with the guide rod, and one end of the guide rod extends out of one side of the crimping bush (5);
the inclination adjusting component (6) is fixed at the bottom of the hydraulic machine base (1) so as to adjust an included angle between the length direction of the guide rod and a horizontal plane; the radius of the semicircular arc notch (32) is larger than or equal to that of a circle circumscribed by the lower semicircular hexagonal notch (51), and the diameter of the semicircular arc notch (32) is equal to that of a product to be processed; one side of crimping die block (3) is provided with brace table (4), brace table (4) upper end be provided with the same direction spout (31) of crimping die block (3).
2. The crimping device for carbon fiber composite core wires according to claim 1, characterized in that:
the guide bar is located two apex angle departments of the downside of half hexagon breach (51) down, the guide bar downside with direction spout (31) sliding connection, the side of going up of guide bar is provided with the connection arcwall face, the radian of connecting the arcwall face with the bottom surface radian of semicircle breach (32) is the same.
3. The crimping device for carbon fiber composite core wires according to claim 1, characterized in that:
inclination adjusting part (6) include PMKD (61), articulated elements (64) and wedge regulating block (62), hydraulic press frame (1) bottom one side is passed through articulated elements (64) with PMKD (61) rotate to be connected, the last perpendicular to that follows of PMKD (61) articulated elements (64) pivot direction is provided with a plurality of spacing groove (63), wedge regulating block (62) joint in spacing groove (63).
4. The crimping device for carbon fiber composite core wires as claimed in claim 1, wherein:
the length of the insertion rod is equal to that of the guide sliding groove (31), the lower side surface of the insertion rod is tightly attached to the side wall of the guide sliding groove (31), the insertion rod is in transition fit with the guide sliding groove (31), and the radian of the upper side surface of the insertion rod is the same as that of the bottom surface of the semi-circular notch (32).
5. The crimping device for carbon fiber composite core wires according to claim 1, characterized in that:
hydraulic pressure frame (1) one side is provided with hydraulic pressure union coupling head (13), connection ear spare (11) are established to hydraulic pressure frame (1) upper end both sides, can dismantle on two connection ear spare (11) and be connected with support frame (12), crimping top mould (2) are fixed in on support frame (12).
6. A wire pressing method for a carbon fiber composite core wire, which adopts the wire pressing device for the carbon fiber composite core wire as claimed in any one of claims 1 to 5, and is characterized in that:
the method comprises the following steps: step S00: inserting the guide rod into the guide runner (31) so that the crimping bush (5) is not located in the semicircular notch (32);
step S10: putting the crimping pipe to be processed into the semicircular notch (32), enabling the first section of the crimping pipe to be crimped to be just positioned on the crimping bottom die (3), and starting the hydraulic machine base (1) to perform first-step crimping;
step S20: the crimping bottom die (3) moves downwards to be separated from the crimping pipe, the crimping bush (5) slides into the semi-circular notch (32), and then secondary crimping is carried out;
step S30: enabling the crimping pipe to be still positioned in the crimping bush (5), then sliding the crimping bush (5) forwards to enable the crimping bush (5) to leave the semi-arc notch (32), and then carrying out third-time crimping;
step S40: moving the crimping bottom die (3) downwards to separate from the crimping pipe, sliding the crimping bush (5) into the semi-arc notch (32), and then crimping; the steps S30 and S40 are repeated until the crimping is completed.
7. The crimping method for carbon fiber composite core wire according to claim 6, characterized in that:
in step S10, when the crimp bushing (5) interferes with the crimp tube, an insertion rod is inserted into the guide chute (31) instead of the guide rod.
8. The crimping method for carbon fiber composite core wires according to claim 7, characterized in that:
in step S40, the sliding distance of the crimping bush (5) is smaller than the length of the crimping die block (3) in the longitudinal direction of the crimping tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110325815.7A CN113054510B (en) | 2021-03-26 | 2021-03-26 | Wire pressing device and method for carbon fiber composite core wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110325815.7A CN113054510B (en) | 2021-03-26 | 2021-03-26 | Wire pressing device and method for carbon fiber composite core wire |
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| CN113054510A CN113054510A (en) | 2021-06-29 |
| CN113054510B true CN113054510B (en) | 2022-09-23 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2349849A1 (en) * | 1973-09-06 | 1975-03-20 | Bbc Brown Boveri & Cie | Wire crimping device with variable crimping lengths and angles - uses adjustable upper and lower bending blocks, and driven hydraulically |
| JP5730926B2 (en) * | 2013-02-22 | 2015-06-10 | 古河電気工業株式会社 | Press machine |
| EP2797182B1 (en) * | 2013-04-24 | 2020-06-17 | Komax Holding AG | Cable conversion device for cutting, stripping and converting a cable with crimp contacts |
| CN206041182U (en) * | 2016-09-13 | 2017-03-22 | 广东亨通光电科技有限公司 | A crimping mould for making connector |
| CN109309359A (en) * | 2017-07-28 | 2019-02-05 | 中国电力科学研究院 | A kind of carbon fiber composite core wire construction method |
| CN207265388U (en) * | 2017-09-12 | 2018-04-20 | 盐城骏马汽配有限公司 | A kind of automotive wire bundle crimping apparatus |
| CN210404296U (en) * | 2019-07-05 | 2020-04-24 | 中铁电气化局集团有限公司 | Railway wire clamp crimping device |
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