CN112909587B - Electric welding machine grounding clamp - Google Patents

Electric welding machine grounding clamp Download PDF

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Publication number
CN112909587B
CN112909587B CN202110072197.XA CN202110072197A CN112909587B CN 112909587 B CN112909587 B CN 112909587B CN 202110072197 A CN202110072197 A CN 202110072197A CN 112909587 B CN112909587 B CN 112909587B
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Prior art keywords
block
wall
support body
pressure
frame body
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CN202110072197.XA
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Chinese (zh)
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CN112909587A (en
Inventor
张欣
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Daishan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Daishan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Zhoushan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Publication of CN112909587A publication Critical patent/CN112909587A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail

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  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of electric welding ground clamps, and discloses an electric welding ground clamp which comprises a frame body, wherein a clamping hand is movably arranged on the side wall of the frame body, a reset torsion spring is fixedly arranged on one side of the clamping hand, the clamping hand is movably arranged with the frame body through the reset torsion spring, a negative wire is fixedly arranged on one side of the frame body, a pressure making cavity with an opening on one side is formed in the inner wall of the frame body, a power transmission block is movably arranged on one side of the inner wall of the frame body, and a permanent magnet block is fixedly arranged on the inner wall of the power transmission block. The permanent magnet and the electromagnetic ring are arranged in the frame body, so that in the working process, the permanent magnet and the plate to be welded are adsorbed, a passage is formed between the electromagnetic ring and the plate to be welded, and the magnetism generated by electrifying the electromagnetic ring is repelled with the permanent magnet, so that negative pressure is generated in the pressure generating cavity, the electric transfer block is always attached to the object to be welded, the electric arc phenomenon caused by poor contact is avoided, and the aim of increasing the clamping force is fulfilled finally.

Description

Electric welding machine grounding clamp
Technical Field
The invention relates to the technical field of electric welding machine ground clamps, in particular to an electric welding machine ground clamp.
Background
Electric welding refers to a welding method in which a weldment is subjected to atomic bonding by heating or pressurizing with electric energy, and processing equipment for electric welding is called an electric welding machine.
The current electric welding ground clamp is in the in-process of using, and its main theory of operation is: the negative pole of the electric welding machine is connected with the metal grounding clamp, and then the metal grounding clamp is clamped on the plate to be welded under the action of the spring.
However, in the actual use process, the clamping force of the grounding clamp is mainly fixed with the plate to be welded through the action of the spring, and when the clamping is loosened or the clamping force is insufficient, the phenomena of electric arc and welding incapability can occur.
Meanwhile, in the welding process, because the front end of the grounding clamp is attached to the plate to be welded, the grounding clamp and the plate to be welded are mutually adhered at the interface in the welding process, so that the grounding clamp after being used is not easy to take out from the middle of the plate to be welded.
Disclosure of Invention
Aiming at the defects of the existing electric welding machine grounding clamp in the background technology in the using process, the invention provides the electric welding machine grounding clamp which has the advantages of increasing clamping force, being convenient to separate and reset, and solves the technical problems in the background technology.
The invention provides the following technical scheme: the utility model provides an electric welding ground clamp, includes the support body, the lateral wall movable mounting of support body has the tong, and one side fixed mounting of tong has the reset torsion spring, and the tong passes through reset torsion spring and support body movable mounting, one side fixed mounting of support body has the negative pole line, one side open-ended pressure chamber is made up to the inner wall of support body, and inner wall one side movable mounting of support body has the biography electricity piece, and the inner wall fixed mounting of biography electricity piece has a permanent magnet, the top fixed mounting of biography electricity piece has the sealed rubber ring that is located support body one side, the inner wall of support body is located and makes pressure chamber movable mounting have the pressure increasing piece, and the inner wall fixed mounting of pressure increasing piece has an electromagnetic ring, the one end and the negative pole line fixed mounting of electromagnetic ring, and the other end fixed mounting of electromagnetic ring has the biography electricity line that is located and makes pressure chamber, the one end and the biography electricity piece fixed mounting of biography electricity line, the top fixed mounting of tong has the lock dead piece, and the top of the dead piece runs through the inner wall of support body and with biography electricity piece movable mounting, the lateral part of dead lock groove of dead block looks adaptation is seted up to the lateral part, the one side fixed mounting of extension spring and the extension spring that resets the extension spring.
Preferably, the inner wall middle part movable mounting of support body has from the locking piece, and the terminal surface shape of locking piece is T shape, the top of locking piece is equipped with the oblique angle, the quantity of locking piece is three, and its three locking piece uses the central axis of supercharging piece to live the inner wall of equiangular installation to the support body as the center.
Preferably, the sealing rubber ring is made of soft rubber.
Preferably, the rack body is made of hard plastic.
Preferably, inner wall one side fixed mounting of support body has and is located the anti-pinch block who makes pressure chamber one side, and prevents pinch block and pressurization piece looks adaptation, the shape of preventing the pinch block is the cylinder annular.
Preferably, the negative electrode wire is a cable with certain toughness.
The invention has the following beneficial effects:
1. the permanent magnet and the electromagnetic ring are arranged in the frame body, so that in the working process, the permanent magnet and the plate to be welded are adsorbed, a passage is formed between the electromagnetic ring and the plate to be welded, and the magnetism generated by electrifying the electromagnetic ring is repelled by the permanent magnet, so that negative pressure is generated in the pressure generating cavity, the electric conduction block is always attached to the object to be welded, the electric arc phenomenon caused by poor contact is avoided, and the aim of increasing the clamping force is finally achieved.
2. The frame body is provided with the reset tension spring and the self-locking block, so that the self-locking block can be adsorbed to clamp the pressurizing block of the electromagnetic ring in the electrifying process of the electromagnetic ring, negative pressure is kept in the pressure making cavity, the power transmission block is ensured to be always attracted to a board to be welded, and meanwhile, the power transmission block is released through the locking block, so that the power transmission block can be quickly separated under the action of the tension force of the reset tension spring and the negative pressure in the pressure making cavity, and the self-locking block is automatically ejected out in the process of attaching the power transmission block and the pressurizing block, so that the self-locking block is not clamped to the pressurizing block, and the purposes of facilitating separation and facilitating reset are finally achieved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic partial cross-sectional view of the inventive structure;
FIG. 3 is an enlarged view of the point A in FIG. 2;
FIG. 4 is an enlarged schematic view of the invention shown at B in FIG. 2.
In the figure: 1. a frame body; 100. a pressure making cavity; 101. an anti-clamping block; 2. clamping a hand; 3. a return torsion spring; 4. a negative electrode line; 5. a power transmission block; 6. permanent magnet blocks; 7. sealing a rubber ring; 8. a pressure increasing block; 9. an electromagnetic coil; 10. a power transmission line; 11. locking the block; 12. a locking groove; 13. a self-locking block; 14. a return tension spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an electric welding machine grounding clip comprises a frame body 1, a clamping handle 2 is movably mounted on the side wall of the frame body 1, a reset torsion spring 3 is fixedly mounted on one side of the clamping handle 2, the clamping handle 2 is movably mounted with the frame body 1 through the reset torsion spring 3, a negative wire 4 is fixedly mounted on one side of the frame body 1, a pressure-making cavity 100 with one side open is formed in the inner wall of the frame body 1, a power transmission block 5 is movably mounted on one side of the inner wall of the frame body 1, a permanent magnet 6 is fixedly mounted on the inner wall of the power transmission block 5, a sealing rubber ring 7 positioned on one side of the frame body 1 is fixedly mounted on the top end of the power transmission block 5, a pressure-increasing block 8 is movably mounted on the inner wall of the frame body 1 and positioned in the pressure-making cavity 100, an electromagnetic coil 9 is fixedly mounted on the inner wall of the pressure-increasing block 8, one end of the electromagnetic coil 9 is fixedly mounted with the negative wire 4, and a power transmission wire 10 positioned in the pressure-making cavity 100 is fixedly mounted on the other end of the electromagnetic coil 9, one end of a power transmission wire 10 is fixedly installed with the power transmission block 5, the top end of the clamping handle 2 is fixedly provided with a locking block 11, the top end of the locking block 11 penetrates through the inner wall of the frame body 1 and is movably installed with the power transmission block 5, the side part of the power transmission block 5 is provided with a locking groove 12 matched with the locking block 11, one side of the pressurizing block 8 is fixedly provided with a reset tension spring 14, and one end of the reset tension spring 14 is fixedly installed with the power transmission block 5, so that the clamping force is increased, a permanent magnet 6 is arranged on the inner wall of the frame body 1, the permanent magnet 6 is more convenient to attach through the magnetism of the permanent magnet 6, meanwhile, an electromagnetic ring 9 is arranged, when the instantaneous current is increased, the power transmission block 5 can be attached to an object to be welded through the negative pressure generated between the pressurizing block 8 and the power transmission block 5 in the pressure generating cavity 100, and the power transmission block 5 can be attached to the object to be welded, the electric arc and the abnormal current supply are caused by the poor contact of the current-carrying block 5.
Wherein, the inner wall middle part movable mounting of support body 1 has self-locking piece 13, and the terminal surface shape of self-locking piece 13 is T shape, the top of self-locking piece 13 is equipped with the oblique angle, the quantity of self-locking piece 13 is three, its three self-locking piece 13 uses the central axis of supercharging block 8 as the center to live the equal angle and install to the inner wall of support body 1, in order to facilitate breaking away from and the mesh of being convenient for reset, therefore through being equipped with self-locking piece 13 at the inner wall of its support body 1, and be the metal product through self-locking piece 13, therefore in the in-process of work, when its electromagnetic ring 9 because of the magnetic force between and permanent magnetism 6 arranges the rightmost side of support body 1 in, through the magnetism of its electromagnetic ring 9 to self-locking piece 13, and then make self-locking piece 13 can block 8 the card dead, simultaneously, after its permanent magnetism 6 and supercharging block 8 laminating, the lateral wall of its current-conducting block 5 can act on the oblique angle from the top of self-locking piece 13, and then make self-locking piece 13 automatic going back, finally reach the mesh of being convenient for breaking away from and being convenient for reset.
Wherein, the material of sealed rubber ring 7 is soft rubber, in order to prevent to make and to have stable negative pressure in the pressure chamber 100, therefore establish its sealed rubber ring 7 into soft rubber, and at the in-process of work, the extrusion through its sealed rubber ring 7 makes the transmission piece 5 with wait to weld the piece laminating, and then guaranteed to make and press chamber 100 and outside thing air current exchange, make pressure chamber 100 department in sealed state, finally realize that it makes and can produce stable negative pressure in the pressure chamber 100.
Wherein, the material of support body 1 is the rigid plastic material, in order to do not receive the interference of external condition between permanent magnetism 6 and the solenoid 9, therefore through establishing its support body 1 into rigid plastic, not only be convenient for make, simultaneously, when its solenoid 9 produced magnetic force, its support body 1 can not exert an influence to the motion of solenoid 9.
Wherein, inner wall one side fixed mounting of support body 1 has the anti-pinch block 101 that is located to make pressure chamber 100 one side, and prevent pinch block 101 and pressure boost block 8 looks adaptation, and the shape of preventing pinch block 101 is the cylinder annular, in order to prevent its pressure boost block 8 at the in-process of continuous motion, its negative pole line 4 can not receive the extrusion, therefore be equipped with through the inner wall at support body 1 and prevent pinch block 101, and carry on spacingly to its pressure boost block 8 through preventing pinch block 101, and simultaneously, be annular design through preventing pinch block 101, make electromagnetism circle 9 after the motion, its negative pole line 4 can be arranged in the inner ring, prevent that negative pole line 4 from being pinched absolutely.
The negative electrode wire 4 is a cable with certain toughness, and in order to adapt to the movement of the pressurizing block 8, the negative electrode wire 4 is made into a flexible cable, so that the current can be conveniently conveyed, and the reciprocating movement of the pressurizing block 8 can be accompanied.
The using method of the invention has the following working principle: the negative electrode wire 4 is communicated with the negative electrode of the electric welding machine;
bonding state: firstly, the frame body 1 is taken up to enable the sealing rubber ring 7 to be arranged on a block to be welded, then the sealing rubber ring 7 is extruded under the magnetic attraction effect of the permanent magnet 6, meanwhile, the power transmission block 5 is attached to the block to be welded, and meanwhile, the block to be welded is enabled to be connected with the negative electrode of the electric welding machine through the power transmission block 5, the power transmission wire 10, the electromagnetic ring 9 and the negative electrode wire 4;
and (3) working pressurization state: when the positive electrode of the electric welding machine is communicated with the block to be welded through a welding rod, the positive electrode of the electric welding machine is enabled to form a passage through the power transmission block 5, and further under the condition that the instantaneous current is increased, the electromagnetic ring 9 can generate a strong magnetic force which is repulsive to the permanent magnet 6, and meanwhile, the electromagnetic ring 9 can push the right side of the pressure increasing block 8 box to move (the direction is referred to the attached drawing 2), so that the pressure increasing block 8 is arranged at the rightmost side in the pressure making cavity 100, as the pressure increasing block 8 moves, a negative pressure is generated in the pressure making cavity 100, and further the bonding force between the power transmission block 5 and the block to be welded is enhanced, meanwhile, when the pressure increasing block 8 is arranged at the rightmost side of the pressure making cavity 100, the self-locking block 13 can move inwards under the action of the magnetic force, and further the pressure increasing block 8 is locked through the self-locking block 13, and when the electromagnetic ring 9 has no current, the self-locking block 13 can firmly lock the pressure increasing block 8 under the influence of the tension of the reset tension spring 14, the negative pressure making cavity 100 and the magnetic force of the permanent magnet 6 on the pressure increasing block 8, and simultaneously lock the permanent magnet 6 and lock the permanent magnet block 6;
taking out the recovery state: the clamping hand 2 is manually pressed, the locking block 11 is lifted through the clamping hand 2, the locking block 11 is far away from the power transmission block 5, the power transmission block 5 moves towards the pressure boosting block 8 under the influence of the tension of the reset tension spring 14, the negative pressure in the pressure generating cavity 100 and the magnetic force of the permanent magnet 6 on the pressure boosting block 8, the power transmission block 5 and the pressure boosting block 8 form a relative whole after the power transmission block 5 is attached to the pressure boosting block 8, the self-locking block 13 is automatically pushed back, the locking block 11 is restored to the original position under the action of the torsion of the reset torsion spring 3, the permanent magnet 6 attracts the locking block 11 to cause the power transmission block 5 to drag the pressure boosting block 8 to return, and finally the locking block 11 is clamped to the power transmission block 5, and then the operation is carried out again according to the steps if necessary.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an electric welding ground clamp, includes support body (1), the lateral wall movable mounting of support body (1) has tong (2), and one side fixed mounting of tong (2) has reset torsion spring (3), and tong (2) through reset torsion spring (3) and support body (1) movable mounting, one side fixed mounting of support body (1) has negative pole line (4), its characterized in that: one side open-ended pressure making chamber (100) is seted up to the inner wall of support body (1), and the inner wall one side movable mounting of support body (1) has biography electric block (5), and the inner wall fixed mounting of biography electric block (5) has permanent magnetism piece (6), the top fixed mounting of biography electric block (5) has sealed rubber ring (7) that are located support body (1) one side, the inner wall of support body (1) is arranged in making pressure chamber (100) movable mounting has pressure increasing block (8), and the inner wall fixed mounting of pressure increasing block (8) has electromagnetic ring (9), the one end and the negative pole line (4) fixed mounting of electromagnetic ring (9), and the other end fixed mounting of electromagnetic ring (9) has wire (10) that are arranged in making pressure chamber (100), the one end and the biography electric block (5) fixed mounting of biography electric wire (10), the top fixed mounting of tong (2) has lock dead block (11), and the top of lock block (11) runs through the inner wall of support body (1) and with biography electric block (5) movable mounting, the extension spring that the lateral part (14) and the dead lock block (5) and reset spring (14) and reset mutually install.
2. The welding machine grounding clamp according to claim 1, wherein: inner wall middle part movable mounting of support body (1) has from locking piece (13), and the terminal surface shape of self-locking piece (13) is T shape, the top of self-locking piece (13) is equipped with the oblique angle that is close to biography electric block (5) one side, and passes the lateral wall of electric block (5) and act on the oblique angle of self-locking piece (13) and make self-locking piece (13) return when passing electric block (5) remove to pressure boost piece (8), the quantity of self-locking piece (13) is three, and is three the inner wall to support body (1) is installed to self-locking piece (13), and three central axis with pressure boost piece (8) between self-locking piece (13) is the angular layout such as center.
3. The welding machine grounding clamp according to claim 1, wherein: the sealing rubber ring (7) is made of soft rubber.
4. The welding machine grounding clamp according to claim 1, wherein: the frame body (1) is made of hard plastic.
5. The welding machine grounding clamp according to claim 1, wherein: the anti-pinch device is characterized in that an anti-pinch block (101) located on one side of the pressure making cavity (100) is fixedly mounted on one side of the inner wall of the frame body (1), the anti-pinch block (101) is matched with the pressure boosting block (8), and the anti-pinch block (101) is in a cylindrical ring shape.
6. The welding machine grounding clamp according to claim 1, wherein: the negative electrode wire (4) is a cable with certain toughness.
CN202110072197.XA 2021-01-20 2021-01-20 Electric welding machine grounding clamp Active CN112909587B (en)

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Application Number Priority Date Filing Date Title
CN202110072197.XA CN112909587B (en) 2021-01-20 2021-01-20 Electric welding machine grounding clamp

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Application Number Priority Date Filing Date Title
CN202110072197.XA CN112909587B (en) 2021-01-20 2021-01-20 Electric welding machine grounding clamp

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CN112909587A CN112909587A (en) 2021-06-04
CN112909587B true CN112909587B (en) 2022-11-18

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB663186A (en) * 1948-10-25 1951-12-19 Graham Mfg Corp Improvements in electric welding systems
CN107219444A (en) * 2017-05-26 2017-09-29 广西电网有限责任公司电力科学研究院 A kind of transformer suspended discharge analogue means
CN107706551A (en) * 2017-10-26 2018-02-16 莱芜钢铁集团有限公司 Electric welding machine earthing pole fixing device
CN209592331U (en) * 2019-04-30 2019-11-05 开滦能源化工股份有限公司范各庄矿业分公司 Mining electric welding machine earthing or grounding means
CN210967416U (en) * 2019-11-28 2020-07-10 江苏盛铭车轮制造有限公司 Electric welding convenient to location centre gripping

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070262117A1 (en) * 2006-05-10 2007-11-15 Tanjant Tool Co. Pty.Ltd. Earth/ground attachment for welding and cutting equipment
CN212162100U (en) * 2020-07-09 2020-12-15 青岛国正电气工程有限公司 Cable adapter for electric power engineering

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB663186A (en) * 1948-10-25 1951-12-19 Graham Mfg Corp Improvements in electric welding systems
CN107219444A (en) * 2017-05-26 2017-09-29 广西电网有限责任公司电力科学研究院 A kind of transformer suspended discharge analogue means
CN107706551A (en) * 2017-10-26 2018-02-16 莱芜钢铁集团有限公司 Electric welding machine earthing pole fixing device
CN209592331U (en) * 2019-04-30 2019-11-05 开滦能源化工股份有限公司范各庄矿业分公司 Mining electric welding machine earthing or grounding means
CN210967416U (en) * 2019-11-28 2020-07-10 江苏盛铭车轮制造有限公司 Electric welding convenient to location centre gripping

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