Repair welding jig

Abstract

The utility model discloses a repair welding jig which comprises a jig bottom plate, a repair welding cavity is formed in the jig bottom plate, a first positioning pin and a second positioning pin are arranged on the two sides of the repair welding cavity respectively, an air inlet channel is formed in one end of the jig bottom plate, and a slag discharging channel is formed in the other end of the jig bottom plate. The air inlet channel and the slag discharging channel are located at the front end and the rear end of the repair welding cavity correspondingly, one end of the air inlet channel is connected with a flow dividing pipe, one-way valves are installed at the two ends of the flow dividing pipe correspondingly, connectors are arranged at the two ends of the flow dividing pipe correspondingly, through holes are formed in the top ends of the connectors and the top ends of the sealing rings correspondingly, and fixing frames are fixedly connected to the top sides of the connectors. An air inlet channel is inserted into one end of the connector, a sealing ring is arranged on the outer wall of the air inlet channel and attached to the inner wall of the connector, and one end of the flow dividing pipe is connected with an air pump. According to the device, waste residues left on the jig bottom plate can be cleaned in time, and the situation that the clamping effect of the jig bottom plate is affected by waste residue accumulation is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to jig technical field, concretely is a kind of repair welding jig. BACKGROUND

[0002] Repair welding jig is the tool for assisting welding repair, mainly for repairing the defect (such as crack, blowhole, wear etc.) on workpiece;It plays the role of fixing, supporting, positioning etc. in welding process, ensures welding quality and work efficiency.

[0003] At present, the core component of 3C product is in the welding process production process, because the part fittings combined with it are relatively small, it is easy to cause local welding to be bad, the phenomenon that product yield is affected, it needs to use jig to repair welding, and 3C product parts can produce waste residue in repair welding process, it is easy to remain in jig, it needs to clean jig frequently, increase cleaning difficulty, thus improvement is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of repair welding jig to solve the problem that repair welding jig content is easy to remain waste residue as proposed in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of repair welding jig, including jig bottom plate, the jig bottom plate is provided with repair welding cavity, the repair welding cavity two sides are provided with first positioning pin and second positioning pin, one end of jig bottom plate is provided with air inlet channel, the other end of jig bottom plate is provided with residue discharge channel, air inlet channel and residue discharge channel are located at the front and rear ends of the repair welding cavity respectively, one end of air inlet channel is connected with shunt pipe, one end of shunt pipe is connected with air pump.

[0006] Preferably, the two ends of the shunt pipe are both provided with a one-way valve, and the two ends of the shunt pipe are both provided with a connecting head.

[0007] Preferably, one end of the connecting head is inserted with an air inlet channel, and the outer wall of the air inlet channel is provided with a sealing ring, which is attached to the inner wall of the connecting head.

[0008] Preferably, the top end of the connecting head and the sealing ring is provided with a through hole, the connecting head is fixedly connected with a fixing frame on the top side, the fixing frame is fixedly connected with a supporting spring on the bottom side, and one end of the supporting spring is connected with a clamping column.

[0009] Preferably, the top of the air inlet channel is provided with a groove, and the clamping column, which penetrates the through holes on the top of the connecting head and the sealing ring, is located in the groove, and the clamping column and the connecting head form a sliding connection.

[0010] Preferably, the top side of the jig bottom plate is fixedly connected with a bracket, the bracket is provided with a positioning clamp on the top, and the jig bottom plate is provided with a jig gland on the top.

[0011] Preferably, the bracket is provided with a rotating shaft, and a torsion spring is sleeved on the rotating shaft and mounted in the inner side of the positioning clamp.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) The device can clean the residual waste on the jig bottom plate in time, avoiding the accumulation of waste affecting the clamping effect of the jig bottom plate.

[0014] (2) The device is provided with an air inlet channel and a residue discharge channel at the front and rear ends of the jig bottom plate welding cavity, and the high-speed airflow generated by the air pump can clean the residual waste in the welding cavity and discharge it from the residue discharge channel, thereby avoiding the influence of the residual waste on the jig bottom plate on the clamping of the product on the jig bottom plate.

[0015] (3) The device is connected between the air inlet channel and the air pump through a clamping column and a shunt pipe, so as to facilitate the connection and separation of the air inlet channel and the shunt pipe, and facilitate the disassembly and assembly of the jig bottom plate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the welding jig of the utility model;

[0017] Figure 2 It is a front view of the welding jig of the utility model;

[0018] Figure 3 It is a side view of the welding jig of the utility model; Figure 1 It is an enlarged view of A in the middle;

[0019] Figure 4 It is a connection head and air inlet channel connection sectional view of the welding jig of the utility model.

[0020] In the figure: 1, air inlet channel; 2, jig bottom plate; 3, first positioning pin; 4, positioning clamp; 5, residue discharge channel; 6, shunt pipe; 7, air pump; 8, second positioning pin; 9, torsion spring; 10, bracket; 11, jig gland; 12, connection head; 13, one-way valve; 14, clamping column; 15, fixed frame; 16, supporting spring; 17, sealing ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a repair welding jig, including jig base plate 2, repair welding cavity is provided on jig base plate 2, the top side of jig base plate 2 is fixedly connected with support 10, support 10 top is provided with positioning clamp 4, jig base plate 2 top is provided with jig gland 11;This structure can be pressed fixed to product by jig gland 11;Support 10 is provided with shaft, torsion spring 9 is sleeved on the shaft, and torsion spring 9 is installed inside positioning clamp 4;This structure can make positioning clamp 4 incline and downwardly adhere by torsion spring 9, and it is convenient to position and fix jig gland 11;Repair welding cavity both sides are provided with first positioning pin 3 and second positioning pin 8 respectively, one end of jig base plate 2 is provided with air inlet channel 1, recess is set in the top of air inlet channel 1, clamping column 14 passes through the through hole of connecting head 12 and sealing ring 17 top and is located in recess, and clamping column 14 and connecting head 12 constitute sliding connection;This structure can be quickly connected with connecting head 12 by clamping column 14, also convenient to disassemble, and it is convenient to take down jig base plate 2 from welding machine;The other end of jig base plate 2 is provided with deslagging channel 5, air inlet channel 1 and deslagging channel 5 are located at the front and rear ends of repair welding cavity respectively, one end of air inlet channel 1 is connected with shunt pipe 6, one-way valve 13 is installed in both ends of shunt pipe 6, and connecting head 12 is provided in both ends of shunt pipe 6;This structure prevents waste residue from entering into shunt pipe 6 inside by one-way valve 13;One end of connecting head 12 is inserted with air inlet channel 1, air inlet channel 1 outer wall is provided with sealing ring 17, and sealing ring 17 is adhered in connecting head 12 inner wall;This structure can guarantee the sealing property of air inlet channel 1 and connecting head 12 by sealing ring 17;The top of connecting head 12 and sealing ring 17 is all set with through hole, connecting head 12 top side is fixedly connected with fixed frame 15, the bottom side of fixed frame 15 is fixedly connected with supporting spring 16, and one end of supporting spring 16 is connected with clamping column 14;This structure can support clamping column 14 to be inserted into connecting head 12 and air inlet channel 1 inside by supporting spring 16;One end of shunt pipe 6 is connected with air pump 7;Air pump 7 can be installed on the workbench of welding machine in the process of using the device;Product can be positioned by first positioning pin 3 and second positioning pin 8, guarantee the precision of product placement position.

[0023] Working principle: when using the repair welding jig, first, the product is placed into the repair welding cavity of the jig bottom plate 2, then the jig bottom plate 2 is placed into the bottom of the welding machine, meanwhile, the connecting head 12 at one end of the shunt pipe 6 is inserted into the air inlet channel 1, then the first positioning pin 3 and the second positioning pin 8 position the product, then the jig gland 11 is placed on the top of the product, then the positioning clamp 4 is rotated, so that the positioning clamp 4 presses and fixes the two ends of the jig gland 11 under the action of the torsion spring 9, then the repair welding work is started, after the repair welding is completed, if there is waste residue in the repair welding cavity, the air pump 7 is started, the air flow enters the repair welding cavity through the shunt pipe 6 and the air inlet channel 1, blows the waste residue in the repair welding cavity and discharges it from the residue discharge channel 5, finally, the clamping column 14 is pulled out from the inside of the connecting head 12 and the air inlet channel 1, then the air inlet channel 1 is pulled out from the inside of the connecting head 12, so that the jig bottom plate 2 can be taken off from the welding machine.

[0024] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A welding repair fixture, comprising a fixture base plate (2), characterized in that: The base plate (2) of the fixture is provided with a welding cavity. The welding cavity is provided with a first positioning pin (3) and a second positioning pin (8) on both sides. One end of the base plate (2) of the fixture is provided with an air inlet channel (1) and the other end of the base plate (2) of the fixture is provided with a slag discharge channel (5). The air inlet channel (1) and the slag discharge channel (5) are located at the front and rear ends of the welding cavity, respectively. One end of the air inlet channel (1) is connected to a diversion pipe (6) and one end of the diversion pipe (6) is connected to an air pump (7).

2. The welding repair fixture according to claim 1, characterized in that: One-way valves (13) are installed at both ends of the diversion pipe (6), and connectors (12) are provided at both ends of the diversion pipe (6).

3. A welding repair fixture according to claim 2, characterized in that: One end of the connector (12) is provided with an air intake channel (1), and a sealing ring (17) is provided on the outer wall of the air intake channel (1). The sealing ring (17) is attached to the inner wall of the connector (12).

4. A welding repair fixture according to claim 3, characterized in that: Both the connector (12) and the sealing ring (17) have through holes at their top ends. A fixing bracket (15) is fixedly connected to the top side of the connector (12), and a support spring (16) is fixedly connected to the bottom side of the fixing bracket (15). One end of the support spring (16) is connected to a locking pin (14).

5. A welding repair fixture according to claim 4, characterized in that: The top of the air intake channel (1) is provided with a groove, and the through hole at the top of the connector (12) and the sealing ring (17) is located in the groove. The connector (14) and the connector (12) form a sliding connection.

6. A welding repair fixture according to claim 1, characterized in that: The top side of the fixture base plate (2) is fixedly connected to a bracket (10), a positioning clamp (4) is provided on the top of the bracket (10), and a fixture cover (11) is provided on the top of the fixture base plate (2).

7. A welding repair fixture according to claim 6, characterized in that: The bracket (10) is provided with a rotating shaft, and a torsion spring (9) is sleeved on the rotating shaft. The torsion spring (9) is installed inside the positioning caliper (4).

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