CN203140967U - Adjusting screw rod electric resistance welding tool fixture - Google Patents

Abstract

An adjustment screw resistance welding fixture, including a base, on which is provided a clamping main unit for fixing the rod and end of the adjusting screw, the clamping main unit is composed of two parts, one part is the adjusting screw The clamping and holding unit of the rod part; one part is the clamping and propulsion unit of the end of the adjusting screw; the utility model is provided with a left support plate and a retaining ring on the base for quick positioning, and the pressing plate is not fixed and can be rotated, and due to The function of the compression spring is convenient for quickly placing and taking down the workpiece. The cam drive mechanism on the right side applies upsetting force conveniently and quickly.

Description

An adjustable screw resistance welding fixture

technical field

The utility model belongs to the field of welding frocks for adjusting screw resistance welding, in particular to a jig for adjusting screw resistance welding welding frocks.

Background technique

For the adjusting screw, due to the high cost, large pollution, inaccurate size and poor surface quality of the traditional fusion welding method, resistance welding has the advantages of high production efficiency, good welding quality, low cost, material saving, and better working conditions. Easy to automate and other characteristics, so the use of resistance welding can reduce these shortcomings. Therefore, the resistance welding welding tool provides the conditions for the realization of resistance welding.

Utility model content

In order to solve the above technical problems, the utility model provides an adjusting screw resistance welding fixture. The welding fixture has a simple structure and can very conveniently weld the rod and the end of the adjusting screw together by resistance welding, improving the welding efficiency. quality and precision.

The technical solution adopted by the utility model is: an adjusting screw resistance welding fixture, including a base, on which a clamping main body unit for fixing the rod and end of the adjusting screw is arranged, the clamping main body The unit is composed of two parts, one part is the clamping and resisting unit of the rod of the adjusting screw; the other is the clamping and pushing unit at the end of the adjusting screw;

The clamping and resisting unit includes a left support plate, a retaining ring fixed on the left support plate, a V-shaped block and a pressing mechanism. The retaining ring is limited, and the pressing mechanism includes a pressing plate and a lifting rod, one end of the pressing plate is connected with the lifting rod and its height is adjusted through the lifting rod, and the other end of the pressing plate is pressed against the upper edge of the adjusting screw rod;

The clamping and propulsion unit includes a support block, a positioning block, a guide column and a cam driving mechanism, the positioning block is arranged on the guiding column, the cam driving mechanism is connected with the positioning block and drives the positioning block to reciprocate along the direction of the guiding column, and the adjusting screw The end is placed on the upper end surface of the support block, one end is fixed by the V-shaped groove of the positioning block, and the other end is fixed by the rod of the adjusting screw.

The pressing mechanism also includes a support column, one end of the support column is fixed on the base, the other end passes through the corresponding hole on the pressure plate and protrudes, and a nut is connected to the protruding end, between the pressure plate and the base A spring is sheathed on the support column.

The beneficial effects of the utility model are: compared with the prior art, the utility model adopts the pressure spring mechanism, the cam driving mechanism and the guide mechanism of the guide rod to realize the axial movement of the rod part when pressing and loosening and top forging. , to ensure the welding quality of the adjusting screw. It also reduces the labor intensity of workers. There is a left support plate and a retaining ring on the base for quick positioning. The cam drive mechanism on the right side applies upsetting force conveniently and quickly. The utility model has the advantages of simple structure, convenience and practicality, safety and reliability, and low manufacturing cost.

Description of drawings

Fig. 1 is the front view of the utility model that removes the pressing mechanism.

Fig. 2 is a top view of the utility model.

Fig. 3 is a left view of the utility model.

Reference signs: 1, base; 2, left support plate; 3, V-shaped block; 4, support block; 5, cam driving mechanism; 6, retaining ring; 7, pressure plate; 8, positioning block; 9, cam; 10 11. Spring; 12. Support rod; 13. Lifting rod; 14. Nut; 14. Adjusting screw rod; 15. Adjusting screw end.

Detailed ways

As shown in the figure, an adjusting screw resistance welding fixture includes a base 1 on which a clamping main unit for fixing the rod and end of the adjusting screw is arranged, and the clamping main unit consists of two parts One part is the clamping and resisting unit acting on the rod part 15 of the adjusting screw; the other part is the clamping and pushing unit acting on the end 16 of the adjusting screw; both parts are fixed on the base 1 by screws or pins;

The clamping and resisting unit includes the left support plate 2, the retaining ring 6 fixed on the left support plate 2, the V-shaped block 3 and the pressing mechanism, and the horizontal adjustment screw rod 15 is placed in the concave of the V-shaped block 3. In the groove, one end thereof is limited by the stop ring 6 on the left support plate, and the pressing mechanism is used to clamp the upper edge of the adjusting screw rod part 15. The pressing mechanism includes a pressing plate 7 and a lifting rod 13, and the pressing mechanism One end is connected with the lifting rod 13 and its height is adjusted by the lifting rod 13. The other end of the pressing plate 7 is pressed on the upper edge of the adjusting screw rod part 15. Therefore, the clamping part of the adjusting screw rod part is formed by the lower V-shaped block and the upper part. This part ensures the radial positioning of the adjusting screw, and when the upsetting force is applied, it is supported by the left support plate and the retaining ring to ensure the axial positioning of the rod;

The clamping and propulsion unit includes a support block 4, a positioning block 8, a guide column 10 and a cam driving mechanism 5. The cam driving mechanism 5 is mainly composed of a cam 9 and a handle, and the positioning block 8 is arranged on the guide column 10. The cam driving mechanism 5 is connected with the positioning block 8 and drives the positioning block 8 to reciprocate along the direction of the guide column 10. The end 16 of the adjusting screw is placed on the upper end surface of the support block 4. One end is fixed by the V-shaped groove of the positioning block 8, and the other end is Relying on the fixing of the adjustment screw rod, the action of the adjustment cam drive mechanism makes the positioning block move along the guide rod 10, thereby adjusting the compression of the two parts of the adjustment screw rod. The clamping part at the end of the adjustment screw rod is composed of the lower support block and the guide rod. Positioning The block can move axially on the guide rod. The right side of the clamping part is the pushing part, which is composed of a cam driving mechanism. The handle rotates the cam, thereby driving the positioning block to move leftward along the guide rod to apply upsetting force to the weldment.

Described pressing mechanism is also provided with support column 12, and described support column 12 one end is fixed on the base 1, and the other end passes through the corresponding hole on the pressure plate 7 and stretches out, is connected with nut 14 on the protruding end, in A spring 11 is provided on the supporting column 12 between the pressing plate 7 and the base 1 .

Work process of the present utility model is as follows:

Weld the rod and end of the adjusting screw on this welding jig by resistance welding, and fix them in the manner shown in the attached drawing.

The first step: adjust the lifting rod 13, remove the pressure plate 7, put the adjusting screw rod part 15 on the V-shaped block 3, move to the left along the V-shaped block 3, and make the adjusting screw rod part 15 withstand the retaining ring 6;

Step 2: Lower the lifting rod 13 to press the pressure plate 7 onto the top of the adjusting screw rod part 15, and adjust the tightness of the compression spring 11, then tighten the nut 14 to complete the positioning of the adjusting screw rod part;

Step 3: Then put the end 16 of the adjusting screw on the support block 4, fix the end of the adjusting screw with the positioning block 8, turn the cam 9 to make it move along the guide rod 10, and press the rod and the end of the adjusting screw tightly .

Step 4: Turn on the electricity, and when the generated resistance heat reaches a certain level, turn the cam 9 to apply an upsetting force. After keeping it for a period of time, turn the cam 9 back to its original position, loosen the nut 14, adjust the height of the pressure plate, and remove the adjusting screw to complete welding.

Claims (2)

1. An adjustable screw resistance welding fixture, including a base (1), on which is provided a clamping main unit for fixing the rod and end of the adjusting screw, characterized in that: the clamp The holding main unit is composed of two parts, one part is the clamping and resisting unit of the adjusting screw rod (15); the other is the clamping and pushing unit of the adjusting screw end (16); The clamping and resisting unit includes a left support plate (2), a retaining ring (6) fixed on the left support plate, a V-shaped block (3) and a pressing mechanism, and the adjustment screw rod (15) is placed on the V On the type block (3), one end of it depends on the stop ring (6) on the left support plate. The pressing mechanism includes a pressing plate (7) and a lifting rod (13). One end of the pressing plate (7) and the lifting rod (13) Connect and adjust its height through the lifting rod (13), and the other end of the pressure plate (7) is pressed against the upper edge of the adjusting screw rod (15); The clamping and propulsion unit includes a support block (4), a positioning block (8), a guide column (10) and a cam driving mechanism (5), the positioning block (8) is set on the guide column (10), and the cam driving mechanism (5) Connect with the positioning block (8) and drive the positioning block (8) to move back and forth along the direction of the guide column (10). The end of the adjusting screw (16) is placed on the upper surface of the support block (4), and one end of it relies on the positioning block The V-groove of (8) is fixed, and the other end is fixed by the adjusting screw rod (15). 2. An adjusting screw resistance welding fixture according to claim 1, characterized in that: the pressing mechanism further includes a supporting column (12), and one end of the supporting column (12) is fixed on the base ( 1), the other end passes through the corresponding hole on the pressure plate (7) and protrudes, and a nut (14) is connected to the protruding end, and the support column (12) between the pressure plate (7) and the base (1) The upper sleeve is provided with a spring (11).

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