CN102091931A

CN102091931A - Terminal post riveting device and breaking tool

Info

Publication number: CN102091931A
Application number: CN 201010619710
Authority: CN
Inventors: 张永明; 张森林
Original assignee: MEISHAN HENGSHENG MECHANICAL EQUIPMENT CO Ltd
Current assignee: MEISHAN HENGSHENG MECHANICAL EQUIPMENT CO Ltd
Priority date: 2010-12-31
Filing date: 2010-12-31
Publication date: 2011-06-15
Anticipated expiration: 2030-12-31
Also published as: CN102091931B

Abstract

The invention relates to a terminal post riveting device and a breaking tool. A strut is arranged at the center of a cylinder body; a grabbing rod is tightly sheathed outside the strut; the bottom ends of the strut and the grabbing rod are inserted in a T-shaped groove formed on the upper plane of the terminal post of a battery; the strut has a horn-shaped bottom end; and the bottom end of the grabbing rod is a three-flap centripetal clamping body matched with the strut and the T-shaped groove. The oil cylinder consists of a cylinder body on the upper end, a jacket on the lower end, wherein the cylinder body is connected with the jacket through threads; a strut piston fixed with the upper end of the strut and a rivet piston at the periphery are arranged in the cylinder body; and the lower end of the rivet piston is connected with the grabbing rod through threads to form a single-oil-path double-piston structure. When the oil cylinder is started, the two pistons act to drive the strut and the grabbing rod to move upwards, and drive the jacket and the cylinder to move downwards so as to extrude the outer liner ring of the terminal post, thereby achieving the riveting. When a cutting head is mounted on the bottom end of the jacket, the pistons drive the cutting head to cut the liner ring as a breaking tool. By adopting cold riveting, the terminal post riveting device can solve the problem of bolt looseness of the terminal post. The invention also provides a riveting breaking tool, which facilitates the maintenance. The overall dimension of the terminal post riveting device is Phi40*100, the weight is about 1.5 kg, the cylinder pressure is about 12 Mpa; and the terminal post riveting device has high riveting speed and is convenient in operation.

Description

Pole rivet device and broken cutting tool

(1) technical field: pole rivet device and broken cutting tool, be used for riveted joint and dismounting that electric automobile accumulator jar electrode connects the pole rivet, be a kind of cold drawn rivet and removal tool, belong to the riveted joint class.

(2) background technology:

The electrode connection mode of existing electric automobile accumulator jar adopts bolt to connect, and sees Fig. 8, and the electrode 1n upper end diameter on the accumulator jar 1A is littler than the lower end, and cylindrical is externally threaded pole screw, and nut 2n is contained in outside the pole screw, both screw-threaded engagement.The conducting ring 1B that at first electricity is drawn during installation tightly is enclosed within electrode 1n lower end cylindrical, and spinning nut 2n presses back locking conducting ring 1B by square washer 1C under the nut, and upwards string is moving along the electrode lower surface to prevent conducting ring.But owing to produce vibration in the automobile traveling process, bolt can become flexible, and is difficult to locking, causes conducting ring and the loose contact of electrode lower surface, the influence conduction.

(3) summary of the invention:

Pole rivet device that the present invention proposes and broken cutting tool solve existing pole bolt exactly and connect the easily loosening problem that makes poor electric contact.Also provide simultaneously the riveted joint back broken cutting tool, solved pole rivet problem easy to maintenance.

Its technical scheme is as follows: pole rivet device, comprise overcoat, cylinder body composition, pressure oil pipe, Hydraulic Station, and it is characterized in that:

The pole upper end excircle of 1) being riveted is an outer groove, outer groove and collar endoporus inner groove interference fit; Planar central has T-slot on the pole, and forms step; 2) be provided with strut at the cylinder body center, the outer tight cover of strut is grabbed bar, strut and grab the bar bottom and all be inserted in the pole T-slot, and the strut bottom is the loudspeaker body; Grab bar bottom endoporus and strut bottom loudspeaker body and match consistently, grab bar bottom periphery and T-slot and match consistently, and to grab the bar bottom be entad clamping bodies of three lobes; Between 3) the outer cylinder body lower end that is set in, overcoat and cylinder body with being threaded; Overcoat bottom endoporus and grab between the bar cylindrical and leave annular space; Overcoat bottom endoporus and collar cylindrical interference fit; 4) described cylinder body has the strut piston that is connected with strut at the center of being located at and the blind rivet piston of strut piston periphery in forming, blind rivet piston lower end with screw thread with grab bar and be connected; Between blind rivet piston and cylinder body, between blind rivet piston and strut, blind rivet piston and strut piston space be provided with sealing respectively.Form single oil circuit control dual-piston structure thus.

Above-mentioned strut bottom is that the hypotenuse of loudspeaker body 5.1 and angle Φ radially are chosen as 8 ° for good.

Broken cutting tool is characterized in that comprising above-mentioned pole rivet device, also comprises following feature: broken cutting tool overcoat is that the interior circle at the overcoat of pole rivet device is equipped with along circumferential at least two uniform axial feed cutter heads and forms.

Beneficial effect of the present invention: 1) adopt the cold riveting technology of ring-grooved rivet, connects fasteningly, solved the problem of bolt looseness with the poor electric contact that causes.2) provide riveted joint broken cutting tool simultaneously, very convenient when needing broken cutting because of adopting same machine, be convenient to maintenance.3) adopt T-slot and strut to grab the structure that is connected of bar bottom; Strut is connected with the strut piston; Grab being connected of bar and blind rivet piston and just finish riveted joint with structures such as cylinder body directly are connected with the single oil circuit control dual-piston structure and the overcoat that form, with existing hydraulic efficiency riveting device ratio, designs simplification, appearance and size is Φ 40 * 100, weight is about 1.5KG, and is all less than normal; The oil cylinder operating pressure is little, about 12MPa; Have easy to operate, riveted joint speed is fast.4) loudspeaker body hypotenuse and angle Φ radially elect 8 ° as for good, can avoid this place's stress increasing too greatly of Φ angle.

(4) description of drawings

Fig. 1 pole rivet device and broken cutting tool positive view; (extruding or the broken collar position before of cutting)

One of M partial enlarged drawing among Fig. 2 Fig. 1 (position before the riveting machine extruding collar);

Two of the M partial enlarged drawing (positions after the riveting machine extruding collar) among Fig. 3 Fig. 1;

Three of the M partial enlarged drawing (positions before the broken cutting tool cutting collar) among Fig. 4 Fig. 1;

Four of the M partial enlarged drawing (positions after the broken cutting tool cutting collar) among Fig. 5 Fig. 1;

Fig. 6 Fig. 1 K is to view; (turnover oil pipe);

Fig. 7 Fig. 2 A-A cutaway view (three lobes are clamping body entad);

The existing electrode bolts connection diagram of Fig. 8 electric automobile accumulator jar.

(5) specific embodiment

Embodiment 1: pole rivet device Fig. 1, Fig. 2, Fig. 3, Fig. 6 and Fig. 7.

The pole rivet arrangement: see Fig. 1, Fig. 2, the pole 1 upper end excircle of electric automobile accumulator jar 1A is an outer groove 1.1, outer groove 1.1 and the collar 2 endoporus inner grooves 2.1 interference fit; Planar central has T-slot 1.2 on the pole, and forms step 1.3.The riveting machine structure: see Fig. 2, be provided with strut 5 at cylinder body 6 centers, the outer tight cover of strut is grabbed bar 4, strut and grab the bar bottom and all be inserted in the T-slot 1.2, and the strut bottom is a loudspeaker body 5.1, the hypotenuse of loudspeaker body is elected 8 ° as with radially angle Φ.Grab bar bottom endoporus 4.1 and strut bottom loudspeaker body and match consistently, grab bar bottom periphery 4.2 and match consistent with T-slot 1.2.See Fig. 7, grabbing the bar bottom is entad clamping bodies 4.3 of three lobes, promptly is made up of circumferential three lobes 4.3.See that Fig. 1, overcoat 3 are located at cylinder body 6 lower ends, be connected with screw thread 3.3 between outer set upper side and cylinder body lower end.See Fig. 2, overcoat 3 bottom endoporus 3.2 and the collar 2 cylindricals 2.2 interference fit, and overcoat bottom endoporus 3.2 with grab and leave annular space 3.1 between the bar cylindrical, can grab bar relatively for the overcoat bottom and move down and push the collar 2.See Fig. 1, two pistons are arranged in the cylinder body 6: the blind rivet piston 7 of the strut piston 8 at center and strut piston periphery, strut 5 upper ends are fixed on the strut piston 8.Blind rivet piston 7 lower ends with screw thread 7.3 with grab bar 4 and be connected.Be equipped with on the blind rivet piston and cylinder body between cylindrical movable sealing 7.1; Be equipped with on the blind rivet piston and the endoporus sealing 7.2 of 5 of struts; Interior circle sealing 6.3,6.4 with the blind rivet piston space is housed on the cylinder body 6; Cylindrical movable sealing 8.1 with the blind rivet piston space is housed on the strut piston.Item 7.4 is sealing 7.2 cover plates.

See Fig. 1 and Fig. 6, oil inlet pipe 13 is communicated with cylinder wall fuel feed hole 6.2, and the oil outlet 6.1 that the cylinder wall of blind rivet piston 7 back cavities is opened is communicated with flowline 12, forms to form single oil circuit control double-piston oil cylinder.Fig. 1 discipline 10 is the oil cylinder bonnet, and item 10.1 is the sealing of oil cylinder bonnet.Item 9 is that spacing oil is stifled.

The riveting work process:

1) see Fig. 2, by foregoing description structure fabrication pole rivet (make annular groove 1.1, the collar 2 and open T-slot 1.2), and with strut and grab the bar bottom with three lobes entad clamping body 4.3 clamp, and in the insertion T-slot.2) see Fig. 1, press the brake hydraulic station button, pressure oil enters oil cylinder through pressure oil pipe, oil cylinder is started working, pressure oil 11 enters by fuel feed hole 6.2 from oil inlet pipe 13 and enters oil pocket, promoting strut piston 8 moves up, with the strut of one with grab bar and upwards carry, make grab in the T-slot bar bottom three lobes entad above the clamping body 4.3 near step 1.3, move on no longer until strut piston 8 is spacing by the spacing oil stifled 9 of upper end, enter the oil of cylinder body this moment from fuel feed hole 6.2, the overcoat 3 that promotes cylinder body 6 and one moves down, overcoat is by the interference fit and inclined-plane, the bottom extruding collar 2, and the collar and pole rivet is fastening, and riveted joint is finished and arrived Fig. 3 position.3) after extruding was finished and put in place, system's self-return, overcoat climbed away collar periphery, and strut recovers initial position, grabs the outside resilience of bar (seeing Fig. 1, Fig. 2 position) and finishes a working cycles.

Embodiment 2: broken cutting tool, see Fig. 1, Fig. 4 Fig. 5 Fig. 6 Fig. 7.The broken cutting tool of pole rivet is except that following feature, and all the other and embodiment 1 are identical:

1) see Fig. 4, Fig. 5, the broken cutting tool overcoat 3A of present embodiment are that the interior circle at the overcoat 3 of pole rivet device is equipped with along circumferential two uniform axial feed cutter heads 14 and forms.Broken cut is made process: see Fig. 1 and Fig. 4, broken cut oil cylinder composition, strut in process and the riveted joint process, to grab knee-actions such as bar, overcoat all identical, when just riveting, strut is grabbed and is moved on the bar that to move down with overcoat be the extruding collar 2, is at cutting collar and break when cutting.See Fig. 4, broken cutting tool initial position, the collar exists.See Fig. 5, broken cutting tool is broken to cut complete position, and the collar does not exist, and cutter head 14 is in the former collar 2 positions.

Claims

1. pole rivet device comprises overcoat (3), cylinder body composition, pressure oil pipe, Hydraulic Station, it is characterized in that:

Pole (1) the upper end excircle of 1) being riveted is outer groove (1.1), the outer groove and the collar (2) endoporus inner groove (2.1) interference fit; Planar central has T-slot (1.2) on the pole, and forms step (1.3);

2) be provided with strut (5) at cylinder body (6) center, the outer tight cover of strut is grabbed bar (4), strut and grab the bar bottom and all be inserted in the pole T-slot (1.2), and the strut bottom is loudspeaker body (5.1); Grab bar bottom endoporus (4.1) and strut bottom loudspeaker body and match consistently, grab bar bottom periphery (4.2) and T-slot and match consistently, and to grab the bar bottom be entad clamping bodies (4.3) of three lobes;

3) overcoat (3) is located at cylinder body (6) lower end, is connected with screw thread (3.3) between overcoat and cylinder body; Overcoat bottom endoporus (3.2) and grab and leave annular space (3.1) between the bar cylindrical; And overcoat bottom endoporus and collar cylindrical (2.2) interference fit;

4) described cylinder body has the strut piston (8) that is connected with strut at the center of being located at and the blind rivet piston (7) of strut piston periphery in forming, blind rivet piston lower end with screw thread (7.3) with grab bar and be connected; Between blind rivet piston and cylinder body, between blind rivet piston and strut, blind rivet piston and strut piston space be provided with sealing respectively.

2. by the described riveting machine of claim 1, it is characterized in that the strut bottom is that the hypotenuse of loudspeaker body and angle Φ radially elect 8 ° as.

3. broken cutting tool, it is characterized in that comprising the described pole rivet device of one of aforesaid right requirement 1-2, also comprise following feature: broken cutting tool overcoat (3A) is that the interior circle at the overcoat (3) of pole rivet device is equipped with along circumferential uniform at least two axial feed cutter heads (14) and forms.