Ultrasonic welding head positioning fixture

Abstract

The utility model relates to the field of welding head fixtures, in particular to ultrasonic welding head positioning fixtures. The fixture includes a substrate, a welding head positioning block, a side positioning column, a bottom positioning column, a clamping mechanism, and a cooling mechanism. Two welding head positioning blocks are installed on the substrate. A positioning groove for placing the welding head is provided in the welding head positioning block. A bottom positioning column is provided at the bottom of the positioning groove. Side positioning columns and a clamping mechanism for clamping the welding head on the side positioning column and the bottom positioning column are respectively installed on the two side walls of the positioning groove. A cooling mechanism for cooling the welding head is installed on the substrate and the welding head positioning block. The utility model positions the welding head through two welding head positioning blocks, forms a triangular positioning mechanism through the side positioning column, the bottom positioning column, and the clamping mechanism, improves the accuracy and efficiency of welding head positioning, and cools the welding head through the cooling mechanism.

Description

Technical Field

[0001] The utility model relates to the field of welding head fixtures, in particular to an ultrasonic welding head positioning fixture. Background Art

[0002] An ultrasonic welder is a device that generates a 20KHz (or 15KHz) high-voltage high-frequency signal from a generator, converts the signal into high-frequency mechanical vibration through a transducer system, applies it to a plastic workpiece, raises the temperature through friction between the workpiece surface and molecules, and melts the workpiece interface quickly to achieve the purpose of welding. However, the positioning jig of the existing ultrasonic welder has low positioning accuracy and low positioning efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to solve the technical problem described in the background technology, the utility model provides an ultrasonic welding head positioning fixture. The welding head is positioned by two welding head positioning blocks, a triangular positioning mechanism is formed by side positioning columns, bottom positioning columns, and a clamping mechanism, the accuracy and efficiency of welding head positioning are improved, and the welding head is cooled by a cooling mechanism.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] An ultrasonic welding head positioning fixture comprises a substrate, a welding head positioning block, a side positioning column, a bottom positioning column, a clamping mechanism and a cooling mechanism. Two welding head positioning blocks are installed on the substrate. A positioning groove for placing the welding head is provided in the welding head positioning block. A bottom positioning column is provided at the bottom of the positioning groove. Side positioning columns and a clamping mechanism for clamping the welding head onto the side positioning column and the bottom positioning column are respectively installed on the two side walls of the positioning groove. A cooling mechanism for cooling the welding head is installed on the substrate and the welding head positioning block.

[0006] Specifically, the clamping mechanism is a fixing bolt, which is threadedly connected in a threaded hole on the welding head positioning block, and the fixing bolt is non-perpendicular and non-parallel to the side wall of the positioning groove.

[0007] Specifically, the cooling mechanism includes a connecting head 1, a blowing pipe, and a blowing block. The blowing block is fixed on the substrate, the blowing block is located between the two welding head positioning blocks, the connecting head 1 is fixed on the two welding head positioning blocks, the connecting head 1 is provided with a blowing pipe, and the blowing block and the two connecting heads 1 are connected to the air pump.

[0008] Specifically, a linear slide groove is provided on the base plate, and the sliders at the bottom of the two welding head positioning blocks are both matched on the linear slide groove.

[0009] Specifically, the bottom of the substrate is provided with several waist-shaped holes, and an inner waist-shaped hole is provided inside the waist-shaped hole. A screw is threadedly connected to the bottom of the welding head positioning block. The rod of the screw passes through the waist-shaped hole, and the screw head is placed in the waist-shaped hole. The width of the screw head is greater than the width of the inner waist-shaped hole.

[0010] Specifically, the blowing block is a U-shaped block, and blowing holes are provided on the inner sides of both ends of the U-shaped block.

[0011] The utility model has the beneficial effects of providing an ultrasonic welding head positioning fixture, positioning the welding head through two welding head positioning blocks, forming a triangular positioning mechanism through side positioning columns, bottom positioning columns, and a clamping mechanism, improving the accuracy and efficiency of welding head positioning, and cooling the welding head through a cooling mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model when the welding head is not loaded;

[0015] Figure 3 It is a structural schematic diagram of the substrate of the utility model;

[0016] In the figure, 1. substrate, 2. welding head positioning block, 3. side positioning column, 4. bottom positioning column, 5. clamping mechanism, 6.

[0017] Cooling mechanism, 7. Positioning groove, 8. Linear slide groove, 9. Waist-shaped hole, 10. Inner waist-shaped hole, 61. Connector 1, 62. Blowing pipe, 63. Blowing block. DETAILED DESCRIPTION

[0018] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0019] Figure 1 It is a structural schematic diagram of the utility model; Figure 2 This is a schematic diagram of the structure of the utility model when the welding head is not loaded

[0020] picture; Figure 3 It is a structural schematic diagram of the substrate of the utility model.

[0021] Combined with Figure 1 and attached Figure 2As shown, an ultrasonic welding head positioning fixture includes a substrate 1, a welding head positioning block 2, a side positioning column 3, a bottom positioning column 4, a clamping mechanism 5, and a cooling mechanism 6. Two welding head positioning blocks 2 are installed on the substrate 1, and a positioning groove 7 for placing the welding head is provided in the welding head positioning block 2. The bottom of the positioning groove 7 is provided with a bottom positioning column 4, and the two side walls of the positioning groove 7 are respectively installed with side positioning columns 3 and a clamping mechanism 5 for pressing the welding head on the side positioning columns 3 and the bottom positioning columns 4. A cooling mechanism 6 for cooling the welding head is installed on the substrate 1 and the welding head positioning block 2.

[0022] The clamping mechanism 5 is a fixing bolt, which is threadedly connected to a threaded hole on the welding head positioning block 2 . The fixing bolt is non-perpendicular and non-parallel to the side wall of the positioning groove 7 .

[0023] The cooling mechanism 6 includes a connector 61, a blow pipe 62, and a blow block 63. The blow block 63 is fixed on the substrate 1, and the blow block 63 is located between the two welding head positioning blocks 2. The connector 61 is fixed on the two welding head positioning blocks 2, and the connector 61 is provided with a blow pipe 62. The blow block 63 and the two connectors 61 are connected to the air pump.

[0024] The air blowing block 63 is a U-shaped block, and air blowing holes are provided on the inner sides of both ends of the U-shaped block.

[0025] The air pump blows air to cool the welding head through the air blowing pipe 62. The middle convex part of the welding head is located between the air blowing holes at both ends of the air blowing block 63, and the air blowing holes at both ends blow air to cool the middle convex part of the welding head.

[0026] A linear slide groove 8 is provided on the base plate 1 , and the sliders at the bottom of the two welding head positioning blocks 2 are both fitted on the linear slide groove 8 .

[0027] As attached Figure 3 As shown, a plurality of waist-shaped holes 9 are provided at the bottom of the substrate 1, and an inner waist-shaped hole 10 is provided inside the waist-shaped hole 9. A screw is threadedly connected to the bottom of the welding head positioning block 2, and the rod of the screw passes through the waist-shaped hole 9. The head of the screw is placed in the waist-shaped hole 9, and the width of the screw head is greater than the width of the inner waist-shaped hole 10.

[0028] The bottom of the welding head positioning block 2 is pre-connected with a screw, and the welding head positioning block 2 is moved along the linear slide 8, so that different types of welding heads can be adapted. When the welding head positioning block 2 moves, it will move along the waist-shaped hole 9 and the inner waist-shaped hole 10 with the screw. When the welding head positioning block 2 is moved into place and the screw is tightened, the head of the screw will be pressed against the inner waist-shaped hole 10, thereby fixing the welding head positioning block 2 on the substrate 1.

[0029] The working method of the present application is as follows: firstly, the welding head is placed in the positioning grooves 7 of the two substrates 1, and then the clamping mechanism 5 (top fixing bolt) is screwed, and the downwardly inclined clamping mechanism 5 presses the welding head on the side positioning column 3 and the bottom positioning column 4, thereby realizing three-point positioning of the welding head in the positioning groove 7. Since the welding head is pressed on the arc surface of the side positioning column 3 and the bottom positioning column 4, there is little contact surface with the welding head, thereby improving the positioning accuracy.

[0030] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An ultrasonic welding head positioning fixture, characterized in that: The invention comprises a base plate (1), a welding head positioning block (2), a side positioning column (3), a bottom positioning column (4), a clamping mechanism (5), and a cooling mechanism (6); two welding head positioning blocks (2) are installed on the base plate (1); a positioning groove (7) for placing the welding head is provided in the welding head positioning block (2); a bottom positioning column (4) is provided at the bottom of the positioning groove (7); side positioning columns (3) and a clamping mechanism (5) for clamping the welding head onto the side positioning columns (3) and the bottom positioning column (4) are respectively installed on two side walls of the positioning groove (7); and a cooling mechanism (6) for cooling the welding head is installed on the base plate (1) and the welding head positioning block (2).

2. The ultrasonic welding head positioning fixture according to claim 1, characterized in that: The clamping mechanism (5) is a fixing bolt, which is threadedly connected to a threaded hole on the welding head positioning block (2), and the fixing bolt is non-perpendicular and non-parallel to the side wall of the positioning groove (7).

3. The ultrasonic welding head positioning fixture according to claim 1, characterized in that: The cooling mechanism (6) comprises a connector (61), an air blowing pipe (62), and an air blowing block (63); the air blowing block (63) is fixed on the substrate (1); the air blowing block (63) is located between two welding head positioning blocks (2); the connector (61) is fixed on both welding head positioning blocks (2); the connector (61) is provided with an air blowing pipe (62); the air blowing block (63) and the two connectors (61) are connected to an air pump.

4. The ultrasonic welding head positioning fixture according to claim 1, characterized in that: The base plate (1) is provided with a linear slide groove (8), and the sliding blocks at the bottom of the two welding head positioning blocks (2) are both matched on the linear slide groove (8).

5. The ultrasonic welding head positioning fixture according to claim 1, characterized in that: The base plate (1) is provided with a plurality of waist-shaped holes (9) at the bottom, and an inner waist-shaped hole (10) is provided inside the waist-shaped hole (9). A screw is threadedly connected to the bottom of the welding head positioning block (2). The shank of the screw passes through the waist-shaped hole (9), and the head of the screw is placed in the waist-shaped hole (9). The width of the screw head is greater than the width of the inner waist-shaped hole (10).

6. The ultrasonic welding head positioning fixture according to claim 3, characterized in that: The air blowing block (63) is a U-shaped block, and air blowing holes are provided on the inner sides of both ends of the U-shaped block.

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