CN206717260U

CN206717260U - It is easy to the spot welding device of deep cavity configuration welding

Info

Publication number: CN206717260U
Application number: CN201720461887.3U
Authority: CN
Inventors: 方继来; 方权
Original assignee: Fes Reaches Emission Control System (suzhou) Co Ltd
Current assignee: Fes Reaches Emission Control System (suzhou) Co Ltd
Priority date: 2017-04-28
Filing date: 2017-04-28
Publication date: 2017-12-08
Anticipated expiration: 2027-04-28

Abstract

The utility model discloses a kind of spot welding device for being easy to deep cavity configuration welding, including：Overhead guard, the overhead guard is in its bottom-open；Pedestal, the pedestal are connected to the bottom of overhead guard and are closed the bottom opening of overhead guard；And the electrode assemblie inside overhead guard, wherein, electrode assemblie includes electrode bar and the piston portion being fixed on electrode bar, and electrode bar leads to the external world after passing through pedestal, the periphery of piston portion and the inwall continuous contact of overhead guard, electrode assemblie can selectively lift along the inwall of overhead guard.According to the utility model, it is while improving to deep cavity configuration welding efficiency, additionally it is possible to caused chip in welding process is purged, improves welding quality.

Description

It is easy to the spot welding device of deep cavity configuration welding

Technical field

Welding field is the utility model is related to, more particularly to a kind of spot welding device for being easy to deep cavity configuration welding.

Background technology

Spot welding is a kind of efficient welding method in method for resistance welding, is frequently used to assemble such as automobile, aircraft With the assembly line of rolling stock.

In the prior art, to the welding shaped like the deep chamber shape internal structure that the opening such as deep hole, deep trouth is small, height is deep often Occur not prison welding lean on, the weld welding impurity such as chip be adhered to deep cavity wall not easy-clear the problem of, largely effect on welding Efficiency, in view of this, it is necessary to develop a kind of spot welding device for being easy to deep cavity configuration welding in fact, to solve the above problems.

Utility model content

For the shortcomings of the prior art, the purpose of this utility model is to provide one kind and is easy to deep cavity configuration to weld The spot welding device connect, it is while improving to deep cavity configuration welding efficiency, additionally it is possible to which caused impurity in welding process is entered Row is removed, and improves welding quality.

In order to realize according to above-mentioned purpose of the present utility model and other advantages, there is provided one kind is easy to deep cavity configuration to weld Spot welding device, including：

Overhead guard, the overhead guard is in its bottom-open；

Pedestal, the pedestal are connected to the bottom of overhead guard and are closed the bottom opening of overhead guard；And

Electrode assemblie inside overhead guard,

Wherein, electrode assemblie includes electrode bar and the piston portion being fixed on electrode bar, and electrode bar leads to after passing through pedestal The external world, the periphery of piston portion and the inwall continuous contact of overhead guard, electrode assemblie can selectively lift along the inwall of overhead guard.

Preferably, the side wall upper part of overhead guard and bottom offer towards extraneous the first gas circuit and the second gas circuit respectively, Wherein, the first gas circuit leads to the upper surface of piston portion, and the second gas circuit leads to the lower surface of piston portion.

Preferably, the inside of pedestal is provided with a vacuum air-channel for leading to the external world, and the inside of electrode bar is passed through provided with one The absorption gas circuit of electrode bar bottom is worn, the top of the absorption gas circuit selectively connects with vacuum air-channel.

Preferably, pedestal includes：

With the open adaptable closure in bottom of overhead guard；And

The limiting section being arranged concentrically on closure and with closure,

Wherein, closure is closed to the bottom opening of overhead guard, and for vacuum air-channel in closure, closure has one The fixed lower surface for highly enabling the second gas circuit to lead to piston portion all the time.

Preferably, the bottom opening contact position of closure and overhead guard is provided with the first sealing ring, limiting section and piston portion The relative place in lower surface is provided with the second sealing ring.

Preferably, the lower surface of pedestal is provided with the rotation driving cylinder for being used for the rotation of driving electrodes rod.

Preferably, the lower end of electrode bar is connected with scrapings cutter.

Preferably, the chip area along the rotating extension of its axial screw is offered on scrapings cutter, the both sides of chip area are provided with Multi-disc adjacent the first scraper and the second scraper.

Preferably, the bottom of scrapings cutter is provided with the smaller guide portion of one section of radius.

Compared with prior art, its advantage is the utility model：It is being improved to the same of deep cavity configuration welding efficiency When, additionally it is possible to caused impurity in welding process is purged, improves welding quality.

Brief description of the drawings

Fig. 1 is the three-dimensional structure view according to the spot welding device described in the utility model for being easy to deep cavity configuration to weld；

Fig. 2 is the explosive view according to the spot welding device described in the utility model for being easy to deep cavity configuration to weld；

Fig. 3 is the partial enlarged drawing at E in Fig. 2；

Fig. 4 is the longitudinal sectional view according to the spot welding device described in the utility model for being easy to deep cavity configuration to weld.

Embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings, of the present utility model foregoing and other mesh , feature, aspect and advantage will be apparent, to make those skilled in the art can be real according to this with reference to specification word Apply.

Reference picture 1, being easy to the spot welding device of deep cavity configuration welding includes：Pedestal 10, overhead guard 20 and electrode assemblie 30, its In, in its bottom-open, pedestal 10 is connected to the bottom of overhead guard 20 and is closed the bottom opening of overhead guard 20 overhead guard 20, electricity Pole component 30 is in overhead guard 20.In a preferred embodiment, the top of overhead guard 20 is integrally connected with connecting portion 21, even Connecting hole 211 is offered in socket part 21, can be matched by the spot welding device and other mechanisms by connecting portion 21, such as machinery Hand.

Reference picture 1, reference picture 2, electrode assemblie 30 include electrode bar 31 and the piston portion 32 being fixed on electrode bar 31, electricity Pole rod 31 leads to the external world, the periphery of piston portion 32 and the inwall continuous contact of overhead guard 20 after passing through pedestal 10, and electrode assemblie 30 can Selectively lifted along the inwall of overhead guard 20.In a preferred embodiment, coaxially it is socketed with sealing on the periphery of piston portion 32 The inwall of lip 321 and lower sealing lip 322, upper sealing lip 321 and lower sealing lip 322 and overhead guard 20 keeps being slidingly sealed, electrode bar Electrode sealing ring 311 is arranged with 31 between substrate 30.

Referring again to Fig. 1 and Fig. 2, the side wall upper part of overhead guard 20 and bottom offer towards the first extraneous gas circuit 22 respectively And second gas circuit 23, wherein, the first gas circuit 22 leads to the upper surface of piston portion 32, and the second gas circuit 23 leads to the following table of piston portion 32 Face.

Reference picture 4, downwardly convex convex shoulder 24 is integrally provided with the inner top wall of overhead guard 20, and convex shoulder 24 has one Fixed thickness so that the upper surface of piston portion 32 can connect all the time with the first gas circuit 22.

Referring again to Fig. 4, the inside of pedestal 10 is provided with one and leads to extraneous vacuum air-channel 112, the inside of electrode bar 31 Absorption gas circuit 311 provided with a bottom of penetrating electrode rod 31, top and the selectivity of vacuum air-channel 112 of the absorption gas circuit 311 Connection.

Further, pedestal 10 includes：

With the open adaptable closure 11 in bottom of overhead guard 20；And

The limiting section 12 being arranged concentrically on closure 11 and with closure 11,

Wherein, closure 11 is closed to the bottom opening of overhead guard 20, and vacuum air-channel 112 is in closure 11, envelope Closing part 11 has the lower surface that certain altitude enables the second gas circuit 23 to lead to piston portion 32 all the time.

The bottom opening contact position of reference picture 4, closure 11 and overhead guard 20 is provided with the first sealing ring 13, and limiting section 12 is with living The relative place in the lower surface of piston part 32 is provided with the second sealing ring 323.In a preferred embodiment, closure 11 is provided with the first peace Tankage 111, limiting section 12 are provided with the second mounting groove 121, and the first sealing ring 13 is in the first mounting groove 111, the second sealing Circle 323 is in the second mounting groove 121.

Reference picture 2 and Fig. 4, the lower surface of pedestal 10, which is provided with, is used for the rotation driving cylinder 40 that driving electrodes rod 31 rotates, Rotation driving cylinder 40 can be rotated with cyclic drive electrode bar 31.In a preferred embodiment, the lower end of rotary cylinder 40 Provided with the sealed end 41 for sealing the tapping of to-be-welded pieces 50.

Reference picture 2 and Fig. 3, the lower end of electrode bar 31 are connected with scrapings cutter 33, offered on scrapings cutter 33 along its axle To the chip area 332 spirally extended, the both sides of chip area 332 are provided with adjacent the first scraper 333 and the second scraper of multi-disc 334, the bottom of scrapings cutter 33 is provided with the smaller guide portion 331 of one section of radius, wherein, the first scraper 333 and scrapings cutter 33 Axis be in 10 °~15 ° angles, the axis of the second scraper 334 and scrapings cutter is in 15 °~20 ° angles.

Operation principle：

The first step：Manipulator is connected by connecting portion 21 with the spot welding device shown in the utility model, in original state When, piston portion 32 is located at extreme higher position as shown in Figure 4, and vacuum air-channel 112 is connected with drawing gas circuit 311, by vacuum Gas circuit 112 extracts vacuum, and welding block 52 is drawn in the lower end of electrode bar 31；

Second step：Welding block 52 is transferred to directly over the deep hole 51 of to-be-welded pieces 50 by manipulator, is started toward the first gas circuit Gases at high pressure are passed through in 22 so that piston portion 32 is down promoted so as to which welding block 52 to be dropped to the precalculated position of deep hole 51；

3rd step：Start to be passed through air in toward vacuum air-channel 112 so that electrode bar 31 unclamps welding block 52 and starts to weld Connect；

4th step：Starting to be passed through pressure-air in the second gas circuit 23 after the completion of welding, the first gas circuit 22 starts to extract vacuum, Now piston portion 32 drives electrode bar 31 to rise, while rotation driving cylinder 40 starts driving electrodes rod 31 and carries out several 360 ° Rotation, vacuum air-channel 112 can be connected with drawing gas circuit 311 after rotation so that the side rising edge rotation of electrode bar 31, so as to scrape Fall the welding debris adhered on the inwall of deep hole 51；

5th step：After piston portion 32 resets, robot drives spot welding device described in the utility model draws next weldering Block 52 is connect, prepares to weld next to-be-welded pieces 50.

Number of devices and treatment scale described herein are for simplifying explanation of the present utility model.To the utility model Application, modifications and variations will be readily apparent to persons skilled in the art.

Although embodiment of the present utility model is disclosed as above, it is not limited in institute in specification and embodiment Row use, and it can be applied to various suitable fields of the present utility model completely, can for those skilled in the art Other modification is easily realized, therefore under the universal limited without departing substantially from claim and equivalency range, this practicality It is new to be not limited to specific details and shown here as the legend with description.

Claims

A kind of 1. spot welding device for being easy to deep cavity configuration welding, it is characterised in that including：

Overhead guard (20), the overhead guard (20) is in its bottom-open；

Pedestal (10), the pedestal (10) are connected to the bottom of overhead guard (20) and are closed the bottom opening of overhead guard (20)；With And

The electrode assemblie (30) internal located at overhead guard (20),

Wherein, electrode assemblie (30) includes electrode bar (31) and the piston portion (32) being fixed on electrode bar (31), electrode bar (31) external world, the periphery of piston portion (32) and the inwall continuous contact of overhead guard (20), electrode assemblie are led to afterwards through pedestal (10) (30) can selectively be lifted along the inwall of overhead guard (20).
2. it is easy to the spot welding device of deep cavity configuration welding as claimed in claim 1, it is characterised in that in the side wall of overhead guard (20) Portion and bottom offer towards extraneous the first gas circuit (22) and the second gas circuit (23) respectively, wherein, the first gas circuit (22) is led to The upper surface of piston portion (32), the second gas circuit (23) lead to the lower surface of piston portion (32).
3. it is easy to the spot welding device of deep cavity configuration welding as claimed in claim 2, it is characterised in that the inside of pedestal (10) is set There is one to lead to extraneous vacuum air-channel (112), the inside of electrode bar (31) is provided with the suction of penetrating electrode rod (31) bottom Gas circuit (311) is taken, the top of the absorption gas circuit (311) selectively connects with vacuum air-channel (112).
4. it is easy to the spot welding device of deep cavity configuration welding as claimed in claim 3, it is characterised in that pedestal (10) includes：

With the open adaptable closure (11) in bottom of overhead guard (20)；And

The limiting section (12) being arranged concentrically on closure (11) and with closure (11),

Wherein, closure (11) is closed to the bottom opening of overhead guard (20), and vacuum air-channel (112) is located at closure (11) Interior, there is closure (11) certain altitude to cause the second gas circuit (23) to lead to the lower surface of piston portion (32) all the time.
5. it is easy to the spot welding device of deep cavity configuration welding as claimed in claim 4, it is characterised in that closure (11) and overhead guard (20) bottom opening contact position is provided with the first sealing ring (13), and limiting section (12) place relative with the lower surface of piston portion (32) is set There is the second sealing ring (323).
6. it is easy to the spot welding device of deep cavity configuration welding as claimed in claim 1, it is characterised in that the lower surface of pedestal (10) Provided with the rotation driving cylinder (40) rotated for driving electrodes rod (31).
7. the spot welding device for being easy to deep cavity configuration welding as described in any one of claim 1~6, it is characterised in that electrode bar (31) lower end is connected with scrapings cutter (33).
8. it is easy to the spot welding device of deep cavity configuration welding as claimed in claim 7, it is characterised in that scrapings cutter is opened on (33) Provided with the chip area (332) along the rotating extension of its axial screw, the both sides of chip area (332) are provided with the first adjacent scraper of multi-disc And the second scraper (334) (333).
9. it is easy to the spot welding device of deep cavity configuration welding as claimed in claim 7, it is characterised in that the bottom of scrapings cutter (33) Portion is provided with the smaller guide portion (331) of one section of radius.