CN2892350Y - Point welding machine with protecting function - Google Patents
Point welding machine with protecting function Download PDFInfo
- Publication number
- CN2892350Y CN2892350Y CN 200420103682 CN200420103682U CN2892350Y CN 2892350 Y CN2892350 Y CN 2892350Y CN 200420103682 CN200420103682 CN 200420103682 CN 200420103682 U CN200420103682 U CN 200420103682U CN 2892350 Y CN2892350 Y CN 2892350Y
- Authority
- CN
- China
- Prior art keywords
- mash welder
- protection switch
- defencive function
- spot welding
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a spot welding machine with protection function, and the spot welding machine includes a head, a circuit as power supply of the head, and at least one protection switch connected with the circuit. The protection switch has two modes, the triggering mode means that the circuit is triggered to give out a large current, and then the head is used to weld the workpiece, and the protection mode means that the circuit gives out a command and stops giving out large current. So the protection switch can be used to set the spot welding machine in protection mode during commission, and protect the workpiece, the spot welding electrodes and the spot welding machine.
Description
Technical field
The utility model relates to micro spot welder, particularly has the mash welder of defencive function.
Background technology
Existing mash welder generally includes mash welder head and mash welder circuit arrangement.As shown in Figure 1, be existing mash welder schematic diagram, comprise mash welder head and mash welder circuit arrangement 5.Described mash welder head comprise frame 1, slidably be installed in slide bar 2 on the described frame 1, be installed in the terminal clamp 3 of described slide bar 2 lower ends.This mash welder produces big electric current by described mash welder circuit arrangement 5, be transported on the electrode 4 of the terminal clamp 3 that is clamped in the mash welder head, the mash welder head normally drives described slide bar 2 by manual or electronic mode and moves down, when described electrode 4 arrives workpiece surface, described slide bar 2 stops to lower slider, thus the beginning welding work pieces.Yet the mash welder of this structure does not have protection devices such as protection switch, makes welding operation dangerous.
The utility model content
The technical problems to be solved in the utility model is, a kind of mash welder that is provided with defencive function is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of mash welder with defencive function is provided, comprise the mash welder head and, also comprise the protection switch that at least one is electrically connected with described mash welder circuit arrangement for described mash welder head provides the mash welder circuit arrangement of power supply; Wherein, described protection switch comprises the triggering state that the described mash welder circuit arrangement of triggering sends big electric current and by described mash welder head described workpiece welded, and described mash welder circuit arrangement sends the guard mode of indicating and stopping to send big electric current.
The above-mentioned described mash welder head of mash welder with defencive function is equipped with the welding trigger switch.
The above-mentioned described protection switch of mash welder with defencive function comprises the welding protection switch, and described welding protection switch is arranged on the described mash welder head.
The above-mentioned described protection switch of mash welder with defencive function can be installed two or more; the connection logical relation of described protection switch is the relation with door; when promptly all protection switches all were in the triggering starting state that allows welding, described mash welder circuit arrangement just can send big electric current and weld.Described two or more protection switch can be installed in each position of mash welder, for example cabinet, head or other positions.
The above-mentioned described mash welder head of mash welder with defencive function comprises can slide up and down rack-mounted pressure apparatus, with the drive unit that described pressure apparatus is fixedlyed connected, be installed on the described frame and drive the spot welding device that can slide up and down by described pressure apparatus; Described pressure apparatus comprises housing, is located at the compressing member in the described housing and is provided with the pressure elastic component between described compressing member and described spot welding device; Described welding trigger switch is arranged between described pressure apparatus and the described spot welding device, and triggers described welding trigger switch by the relative displacement of described spot welding device and the generation of described pressure apparatus.
The above-mentioned described spot welding device of mash welder with defencive function comprises that the pressure activated that is compressed by described pressure elastic component connects piece; be installed on the described frame and connect piece by linear bearing and drive the slide bar that slides up and down in described frame by described pressure activated, and the terminal clamp that is fixed on the clamping electric spot welding electrode of described slide bar lower end.
The above-mentioned described pressure apparatus of mash welder with defencive function also comprises and is arranged on the balance portion that described pressure activated connects piece below; described balance portion comprises the adjustment screw rod, and be located at described adjustment screw rod top, compress the balance elastic component that described pressure activated connects piece.
The above-mentioned described protection switch of mash welder with defencive function is the toggle switch or the travel switch of mechanical type or electronics non-contact type.
Above-mentioned mash welder with defencive function is in non-triggering starting state when described protection switch, promptly during guard mode, triggers and starts described welding trigger switch, and mash welder can send the sound or light indication.
Compared with prior art; the setting of the protection switch of the mash welder with defencive function of the present utility model; make only under the state that protection switch triggers; described mash welder circuit arrangement can carry out welding job; thereby under debug point welding machine or other situations; be in non-triggering state as long as guarantee protection switch, mash welder all can not weld, and can protect the safety of workpiece, spot-wedling electrode and mash welder.
Description of drawings
Below in conjunction with drawings and Examples the mash welder that the utlity model has defencive function is described further, in the accompanying drawing:
Fig. 1 is the schematic diagram of the mash welder of existing unprotect function.
Fig. 2 is the schematic diagram with mash welder of defencive function of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the mash welder that the utlity model has defencive function is described in further detail.As shown in Figure 2, be a specific embodiment with mash welder of defencive function of the present utility model, comprise the mash welder head, the mash welder circuit arrangement 90 and the protection switch of power supply are provided for described mash welder head.
In the present embodiment, described mash welder head comprises can slide up and down the pressure apparatus 20 that is installed on the frame 10, the drive unit 30 of fixedlying connected with described pressure apparatus 20, be installed on the described frame 10 and drive the spot welding device 40 that can slide up and down by described pressure apparatus 20, and the welding trigger switch 50 of setting between described pressure apparatus 20 and described spot welding device 40.When described welding trigger switch 50 triggers, trigger point welding machine circuit arrangement, for spot-wedling electrode 45 provides big electric current, starting point welder does, and perhaps sends the sound or light indication prompting spot-wedling electrode 45 and arrives workpiece.
Described drive unit 30 comprises that the driving of fixedlying connected with described pressure apparatus 20 connects piece 31, and produces driving force and be applied to described driving and connect power source on the piece 31.Described pressure apparatus 20 comprises housing 21, is located at the compressing member 22 in the described housing 21 and is provided with pressure elastic component 23 between described compressing member 22 and described spot welding device 40.Described spot welding device 40 comprises that the pressure activated that is compressed by described pressure elastic component 23 connects piece 41, be installed on the described frame 10 and connect piece 41 by linear bearing 42 and drive the slide bar 43 that slides up and down in described frame 10 by described pressure activated, and the terminal clamp 44 that is fixed on the clamping electric spot welding electrode 45 of described slide bar 43 lower ends.
In the present embodiment, the housing 21 of described pressure apparatus 20 is the cylinder of the hollow of both ends open, certainly is other geometries (for example square column types).Described housing 21 is installed on the described frame 10 by sliding sleeve 24, and can slide up and down on described frame 10.Described compressing member 22 comprises pressure adjustment screw rod 221 for being arranged on the compressing member regulated 22 of described housing 21 upper ends, adjusts the pressure adjustment nut 222 that screw rod 221 drives by described pressure, and compresses the compact heap 223 that described pressure activated connects piece 41.Described pressure elastic component 23 can provide the element of linear elasticity power for spring, plastic cement elastic component etc.Thereby, can drive described pressure adjustment nut 222 by regulating pressure adjustment screw rod 221, compress described pressure elastic component 23, described pressure activated is connected the pressure that piece 41 provides stable precision.For the pressure that shows that described pressure elastic component 23 produces, can adjust on the screw rod 221 at described pressure pressure-display device 25 is set.
Housing 21 medium positions of described pressure apparatus 20 are provided with opening, can be located on the housing 21 thereby the pressure activated of described spot welding device 40 connects piece 41, and make described pressure activated connect piece 41 can to produce certain displacement with described housing 21.Described pressure apparatus 20 described pressure activated connect piece 41 below, can also be provided with balance portion 26, described balance portion 26 comprises adjusts screw rod 261, and be located at described adjustment screw rod top, compress the balance elastic component 262 that described pressure activated connects piece 41, thereby can eliminate the gravity of described spot welding device 40 self.
Connect the end that piece 41 passes the housing 21 of described pressure apparatus 20 in described pressure activated and be provided with two limited rollers, and described frame 10 is provided with the guiding slide bar 28 that matches with described limited roller.Described limited roller rolls on described guiding slide bar 28, thereby prevents that described pressure activated from connecting piece 41 rotation, has guaranteed that described spot welding device 40 is in movement in vertical direction.
The driving of described drive unit 30 connects piece 31 fixedlys connected with described housing 21 by modes such as screw, chucks, and can slide on described guiding slide bar 28; Described power source for the pneumatic force application apparatus that connects piece 31 by the described driving of cylinder 321 pressure-driven or for by handle the described driving of cable wire 322 pullings connect piece 31 manually or pin step on force application apparatus.Described drive unit 30 also comprises makes described driving connect the back-moving spring 33 that piece 31 resets.
Described welding trigger switch 50 is arranged on described housing 21 outsides, and connects piece 41 by described pressure activated compress closure when initial state, is in non-triggering state.
Described in the present embodiment protection switch comprises welding protection switch 80 and current protection switch 81; Understandable, more protection switch can also be set.The logical relation that is connected of described welding protection switch 80 and current protection switch 81 is and the relation of door that when promptly all protection switches all were in the triggering starting state that allows welding, described mash welder circuit arrangement just can send big electric current and weld.After having only the described protection switch of the startup of triggering, described mash welder circuit arrangement just can send big electric current, by described mash welder head described workpiece is welded; When described protection switch was in guard mode, described mash welder circuit arrangement sent indication, stops to send big electric current, and described mash welder is in guard mode.
Described welding protection switch 80 is arranged on described driving and connects on the piece 31, and when initial state, described welding protection switch 80 remains closed, and is in non-triggering state.Can described current protection switch 81 be arranged on the mash welder circuit arrangement, thereby can weld by the control point welding machine.Understandable, described welding protection switch 80 and current protection switch 81 can be installed in each position of whole mash welder, for example cabinet, head or other positions.In the present embodiment, described drive unit 30 also is provided with installation and can adjusts the upper and lower spacing adjustment screw 70 that described driving connects piece 31 strokes.And described welding protection switch 80 is installed in described spacing adjustment screw place up and down.Certainly, described welding protection switch 80 can also be arranged on other places, as long as can satisfy when described drive unit moves down certain position, just can trigger getting final product.
When needs weld workpiece 60, spur described manipulation cable wire or start pneumatic force application apparatus, make described driving connect piece 31 and move down along described guiding slide bar 28; The housing 21 of described pressure apparatus 20 connects in described driving under the drive of piece 31 and moves down equally; Described pressure activated connects piece 41 under the ordering about of described compact heap 223, move down, thereby the slide bar 43 that drives spot welding device 40 moves down, and drives the terminal clamp 44 and the spot-wedling electrode 45 that are fixed on described slide bar 43 belows simultaneously and moves down.When described driving connected piece 31 and is moved down into preposition, described welding protection switch 80 was triggered; And when described spot-wedling electrode 45 touches workpiece 60 upper surfaces, described spot welding device 40 stops to move, and described pressure apparatus 20 continues to move down and provide the setting elastic force by described pressure elastic component 23 for described spot welding device 40, and connect the relative displacement that the housing 21 of piece 41 and described pressure apparatus 20 produces and trigger described welding trigger switch 50 by the pressure activated of described spot welding device 40, send triggering signal to described mash welder circuit arrangement; When described current protection switch 81 is in non-triggering state (being guard mode); sending the sound or light by described circuit arrangement comes indication point welding electrode 45 to arrive workpiece; perhaps; when described current protection switch 81 is in the triggering state; send big electric current by described circuit arrangement and be transported on the spot-wedling electrode 45, workpiece is welded.
In the present embodiment, when described current protection switch 81 is in non-triggering state, controls described mash welder circuit arrangement 90 and can not be merely able to send the indication of the sound or light for the mash welder head sends electric current; And when described current protection switch is in the triggering state; when described welding protection switch 80 is in the triggering state; and when described welding trigger switch is in the triggering state equally, then provide big electric current to spot-wedling electrode, carry out spot welding work by mash welder circuit arrangement 90.
Certainly, described protection switch can be applied on the mash welder head of present embodiment, equally also can be used for the mash welder head of other structure.
Claims (9)
1, a kind of mash welder with defencive function comprises the mash welder head and for described mash welder head provides the mash welder circuit arrangement of power supply, it is characterized in that, also comprises the protection switch that at least one is electrically connected with described mash welder circuit arrangement; Described protection switch comprises the triggering state that the described mash welder circuit arrangement of triggering sends big electric current and by described mash welder head described workpiece welded, and described mash welder circuit arrangement sends the guard mode of indicating and stopping to send big electric current.
2, the mash welder with defencive function according to claim 1 is characterized in that, described mash welder head is equipped with the welding trigger switch.
3, the mash welder with defencive function according to claim 2 is characterized in that, described protection switch comprises the welding protection switch, and described welding protection switch is arranged on the described mash welder head.
4, the mash welder with defencive function according to claim 1 is characterized in that, described protection switch can be installed two or more, and the connection logical relation of described protection switch is the relation with door.
5, the mash welder with defencive function according to claim 2, it is characterized in that, described mash welder head comprises can slide up and down rack-mounted pressure apparatus, with the drive unit that described pressure apparatus is fixedlyed connected, be installed on the described frame and drive the spot welding device that can slide up and down by described pressure apparatus; Described pressure apparatus comprises housing, is located at the compressing member in the described housing and is provided with the pressure elastic component between described compressing member and described spot welding device; Described welding trigger switch is arranged between described pressure apparatus and the described spot welding device, and triggers described welding trigger switch by the relative displacement of described spot welding device and the generation of described pressure apparatus.
6, the mash welder with defencive function according to claim 5; it is characterized in that; described spot welding device comprises that the pressure activated that is compressed by described pressure elastic component connects piece; be installed on the described frame and connect piece by linear bearing and drive the slide bar that slides up and down in described frame by described pressure activated, and the terminal clamp that is fixed on the clamping electric spot welding electrode of described slide bar lower end.
7, the mash welder with defencive function according to claim 6; it is characterized in that; described pressure apparatus also comprises and is arranged on the balance portion that described pressure activated connects piece below; described balance portion comprises the adjustment screw rod, and be located at described adjustment screw rod top, compress the balance elastic component that described pressure activated connects piece.
8, the mash welder with defencive function according to claim 1 is characterized in that, described protection switch is the toggle switch or the travel switch of mechanical type or electronics non-contact type.
9, the mash welder with defencive function according to claim 4 is characterized in that, described two or more protection switches are installed on the cabinet of described mash welder or the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420103682 CN2892350Y (en) | 2004-12-31 | 2004-12-31 | Point welding machine with protecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420103682 CN2892350Y (en) | 2004-12-31 | 2004-12-31 | Point welding machine with protecting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2892350Y true CN2892350Y (en) | 2007-04-25 |
Family
ID=38060516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420103682 Expired - Fee Related CN2892350Y (en) | 2004-12-31 | 2004-12-31 | Point welding machine with protecting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2892350Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717269A (en) * | 2017-10-24 | 2018-02-23 | 蒙城佳仕龙机械制造有限公司 | One kind is used for small weldment pressure and touches switch safety design device and its application method |
-
2004
- 2004-12-31 CN CN 200420103682 patent/CN2892350Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717269A (en) * | 2017-10-24 | 2018-02-23 | 蒙城佳仕龙机械制造有限公司 | One kind is used for small weldment pressure and touches switch safety design device and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20121231 |