High-frequency automatic welding tool for pipes

Abstract

The utility model provides a high-frequency automatic welding tool for pipes. The high-frequency automatic welding tool comprises a machine table, a positioning seat and a clamping component, the machine table comprises a base and a supporting beam fixed to the base. The positioning seat is installed on the base, the positioning seat is provided with a positioning hole and a plurality of adjusting blocks arranged on the periphery of the positioning hole in the circumferential direction, each adjusting block can slide towards the positioning hole in the radial direction, and each adjusting block is provided with a locking piece; the clamping component is located above the positioning seat and comprises a fixed clamping block and a movable clamping block, the fixed clamping block is installed on the supporting beam, the movable clamping block is installed on the side portion of the fixed clamping block through a threaded fastener, and a clamping groove allowing a pipe fitting to penetrate through is formed between the movable clamping block and the fixed clamping block. According to the utility model, the coaxiality consistency of pipeline welding can be effectively ensured, the welding run-out is reduced, the welding seam is more uniform, the high welding precision is ensured, the welding strength is improved, and the whole tool has the advantages of simple structure, low manufacturing and maintenance cost and simplicity and convenience in operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to high frequency welding technical field, concretely relates to a pipe high frequency automatic welding frock. BACKGROUND

[0002] In the manufacturing process of magnetron sputtering equipment, high frequency welding equipment needs to be used to complete the work of welding corresponding components on the pipe, the component is a hole component, when welding, the pipe needs to be inserted into the hole of the component, and the component needs to be moved to the specified position before welding. Therefore, for the welding of such pipe and component, the positioning accuracy of the pipe and the component needs to be ensured to avoid deviation of the welding position. However, the existing welding auxiliary frock does not have a welding frock for such workpiece. SUMMARY

[0003] In order to solve the technical problems in the background art, the utility model provides a pipe high frequency automatic welding frock.

[0004] The utility model discloses a pipe high frequency automatic welding frock, which comprises a table, a positioning seat and a clamping component.

[0005] The table comprises a base and a support beam fixed on the base.

[0006] The positioning seat is installed on the base, and the positioning seat is provided with a positioning hole through which the pipe passes and a plurality of adjusting blocks arranged circumferentially outside the outer periphery of the positioning hole. Each adjusting block can slide radially towards the positioning hole, and each adjusting block is provided with a locking member for adjusting the block to enter a sliding state or a locking state.

[0007] The clamping component is located above the positioning seat, and the clamping component comprises a fixed clamping block and a movable clamping block. The fixed clamping block is installed on the support beam, and the movable clamping block is installed on the side of the fixed clamping block through a threaded fastener, and a clamping groove through which the pipe passes is formed between the fixed clamping block and the movable clamping block.

[0008] Preferably, the outer side of the clamping groove is provided with a block on the fixed clamping block, and the block is provided with a scale line indicating the height.

[0009] Preferably, the part of the fixed clamping block located outside the clamping groove is provided with an assembly groove, and the lower end of the block is located in the assembly groove and is fastened to the fixed clamping block by a bolt.

[0010] Preferably, the clamping groove comprises a main groove cavity arranged on the side of the fixed clamping block and a secondary groove cavity arranged on the side of the movable clamping block, and the inner wall of the main groove cavity and the inner wall of the positioning hole are located in the same annular surface.

[0011] Preferably, the main groove cavity is a circular arc groove with a radius less than or equal to 1 / 2, and is coaxial with the positioning hole.

[0012] Preferably, the sub-groove is a circular arc groove less than or equal to 1 / 2 of a circle.

[0013] Preferably, the side part of each of the movable clamping blocks is provided with a sub-groove.

[0014] Preferably, the support beam is provided with a slot for the lateral horizontal insertion of the fixed clamping block from the side part thereof, and the fixed clamping block is inserted into the slot from the side part of the support beam to form the assembly with the support beam.

[0015] Preferably, the clamping part is provided with one or more than one, and when the number of clamping parts is more than one, each clamping part is arranged in layers above the positioning seat.

[0016] Preferably, the base is provided with a limiting groove, the bottom of the positioning seat is provided with a support block matched with the limiting groove, and the positioning seat is clamped into the limiting groove through the support block to form the assembly with the base.

[0017] Preferably, the base is provided with a fixing groove matched with the bottom end of the support beam, and the bottom end of the support beam is located in the fixing groove and fixed with the base through bolts.

[0018] Preferably, the adjusting block is provided with an oblong hole arranged along the sliding direction thereof, the part of the positioning seat located inside the oblong hole is provided with a threaded hole, the fastener is a bolt, the fastener is located in the oblong hole, the head part thereof is pressed on the adjusting block, and the end part thereof is screwed into the threaded hole.

[0019] Preferably, the contact surface of the locking part and the adjusting block is provided with a buffer pad.

[0020] In the utility model, the positioning hole is arranged on the positioning seat, the adjusting block is arranged on the outer periphery of the positioning hole, and each adjusting block can slide radially to the positioning hole; meanwhile, the clamping part is arranged above the positioning seat, the movable clamping block in the clamping part is installed on the side part of the fixed clamping block through the threaded fastener, and the clamping groove for the pipe to pass through is formed between the movable clamping block and the fixed clamping block. During the welding operation, the parts to be welded together with the pipe are sleeved on the pipe and fixed on the positioning seat by the adjusting block, the pipe is located in the clamping groove and one end thereof penetrates into the positioning hole, and after the insertion depth is adjusted, the pipe is clamped and fixed by the clamping part, finally, the parts and the pipe are welded together by the high-frequency welding machine, the clamping of the pipe and the parts is released after the welding is completed, and the workpiece can be taken down. The welding tool can effectively guarantee the coaxial consistency of the pipeline welding, reduce the welding bounce, make the welding seam more uniform, ensure the high welding precision, improve the welding strength, and the whole tool structure is simple, has the advantages of low manufacturing and maintenance cost and simple operation. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A structural schematic view of a pipe high-frequency automatic welding tool is provided in the utility model;

[0022] Figure 2 A pipe high-frequency automatic welding tool provided by the utility model is shown in the working state diagram during welding operation. DETAILED DESCRIPTION

[0023] Reference Figure 1 The utility model provides a kind of pipe high-frequency automatic welding tool, comprising:

[0024] Machine table, machine table includes base 2 and the support beam 3 of being fixed on base 2, specific fixed mode is as follows: base 2 is equipped with the fixed groove that is adapted to the bottom end of support beam 3, and the bottom end of support beam 3 is located in fixed groove and is fixed with base 2 by bolt, this fixed mode can effectively reduce bolt fastening pressure under the premise that support beam 3 can be removed, increase the strength and stability of support beam 3 and base 2 connection, ensure that support beam 3 is stably fixed on bottom.

[0025] Positioning seat 1, positioning seat 1 is installed on base 2, specific installation mode is as follows: limit slot is set on base 2, support block 11 matched with limit slot is set on the bottom of positioning seat 1, and positioning seat 1 is formed with the assembly of base 2 by being clamped into limit slot by support block 11, this design is convenient for quickly disassembling positioning seat 1, in turn, it is convenient for its individual maintenance or replacement.

[0026] Positioning hole 4, which can be passed through pipe, and multiple adjusting blocks 5, which are circumferentially arranged on the outer periphery of positioning hole 4, are provided on positioning seat 1, each adjusting block 5 can slide radially towards positioning hole 4, and each adjusting block 5 is provided with locking member 6 for making adjusting block 5 enter sliding state or locking state, and the fastener is a bolt, so as to be fixed or slid with positioning seat 1 by tightening or loosening. Specifically: long waist hole is provided on adjusting block 5 along the sliding direction thereof, threaded hole is provided on the inner side of long waist hole of positioning seat 1, and the fastener is located in long waist hole, the head portion of the fastener is pressed on adjusting block 5, and the end portion of the fastener is screwed into threaded hole, when the fastener is loosened, the head portion of the fastener is separated from adjusting block 5, adjusting block 5 enters slidable state, when the fastener is tightened, the head portion of the fastener is pressed on adjusting block 5, adjusting block 5 enters fixed state which is not slidable. And buffer pad is provided on the contact surface of locking member 6 and adjusting block 5, so as to reduce the influence of vibration generated during high-frequency welding on positioning accuracy.

[0027] The clamping component is located above the positioning seat 1, and comprises a fixed clamping block 7 and a movable clamping block 8. The fixed clamping block 7 is installed on the support beam 3, and the movable clamping block 8 is installed on the side of the fixed clamping block 7 through a threaded fastener, and a clamping groove 9 for the pipe to pass through is formed between the fixed clamping block 7 and the movable clamping block 8. The clamping groove 9 comprises a main groove cavity arranged on the side of the fixed clamping block 7 and a secondary groove cavity arranged on the side of the movable clamping block 8. The inner wall of the main groove cavity is located in the same annular surface as the inner wall of the positioning hole 4, so that the inner wall surface of the main groove cavity serves as a positioning surface, thereby ensuring the coaxiality of the clamping groove 9 and the positioning hole 4 and accurately inserting the clamped pipe into the positioning hole 4. Specifically, the main groove cavity is an arc groove less than or equal to 1 / 2 of a circle and coaxial with the positioning hole 4, and the secondary groove cavity is an arc groove less than or equal to 1 / 2 of a circle. In order to enable the movable clamping block 8 to cooperate with the fixed clamping block 7 on both sides, the secondary groove cavity is arranged on the side of the movable clamping block 8 on both sides.

[0028] Referring to Figure 2 During welding work, a component B to be welded with the pipe A is sleeved on the pipe A, then one end of the pipe A is inserted into the positioning hole 4, the component B falls onto the positioning seat 1 to be supported by the positioning seat 1 and fixed by the adjusting block 5 arranged on the positioning seat 1, then the height of the pipe A is adjusted, the pipe A is fixed by the clamping groove 9, and the component B and the pipe A are welded together by a high-frequency welding machine (when welding, a heating ring C in the high-frequency welding machine is directly sleeved on the outside of the joint between the component B and the pipe A). Finally, the pipe A and the component B are released, and the workpiece is taken down.

[0029] In addition, in order to accurately adjust the height of the pipe, the embodiment further arranges a stop block 10 outside the clamping groove 9, and fixes the stop block 10 on the fixed clamping block 7. A scale line for marking the height is arranged on the stop block 10, so that the height of the pipe can be accurately driven through the scale line, thereby ensuring the consistency of the welding position of the components on the pipe in batch welding.

[0030] In addition, in order to realize quick disassembly and assembly of the stop block 10, the embodiment further arranges an assembly groove on the part of the fixed clamping block 7 outside the clamping groove 9, and arranges the lower end of the stop block 10 in the assembly groove and fastens the stop block 10 to the fixed clamping block 7 through a bolt.

[0031] In the embodiment, the support beam 3 is provided with a slot for the fixed clamping block 7 to be inserted from the side of the side part horizontally, and the fixed clamping block 7 is inserted into the slot from the side of the side part of the support beam 3 horizontally to form an assembly with the support beam 3, so as to facilitate quick disassembly and assembly of the clamping component.

[0032] The clamping components in the embodiment are provided with one or more than one, and when the number of the clamping components is more than one, each clamping component is arranged in layers above the positioning seat 1, so that on one hand, more kinds of pipe welding requirements can be met, and on the other hand, the stability of the pipe during welding can be increased through multi-section clamping.

[0033] As can be seen from the above, the positioning hole 4 is arranged on the positioning seat 1, the adjusting block 5 is arranged on the outer periphery of the positioning hole 4, and each adjusting block 5 can slide radially to the positioning hole 4; meanwhile, the clamping component is arranged above the positioning seat 1, the movable clamping block 8 in the clamping component is installed on the side of the fixed clamping block 7 through the threaded fastener, and the clamping groove 9 for the pipe to pass through is formed between the movable clamping block 8 and the fixed clamping block 7. During welding operation, the component to be welded together with the pipe is sleeved on the pipe and fixed on the positioning seat 1 by the adjusting block 5, the pipe is located in the clamping groove 9 and one end of the pipe penetrates into the positioning hole 4, and after the insertion depth is adjusted, the pipe is clamped and fixed by the clamping component, finally, the component and the pipe are welded together by the high-frequency welding machine, the clamping of the pipe and the component is released after the welding is completed, and the workpiece can be taken down. The welding tool can effectively guarantee the coaxial consistency of the pipe welding, reduce the welding runout, make the weld more uniform, ensure the high welding precision, improve the welding strength, and the whole tool structure is simple, has the advantages of low manufacturing and maintenance cost and simple operation.

[0034] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A pipe high-frequency automatic welding tool characterized by comprising: The utility model relates to a pipe clamping device, which comprises a machine table, a positioning seat (1) and a clamping component. The machine table comprises a base (2) and a support beam (3) fixed on the base (2). The positioning seat (1) is installed on the base (2), and the positioning seat (1) is provided with a positioning hole (4) through which a pipe passes and a plurality of adjusting blocks (5) arranged circumferentially outside the outer periphery of the positioning hole (4), each adjusting block (5) can slide radially towards the positioning hole (4), and each adjusting block (5) is provided with a locking piece (6) for enabling the adjusting block (5) to enter a sliding state or a locking state. The clamping component is located above the positioning seat (1) and comprises a fixed clamping block (7) and a movable clamping block (8), the fixed clamping block (7) is installed on the support beam (3), and the movable clamping block (8) is installed on the side of the fixed clamping block (7) through a threaded fastener and forms a clamping groove (9) through which the pipe passes with the fixed clamping block (7). The outer side of the clamping groove (9) is provided with a bearing block (10) on the fixed clamping block (7), and the bearing block (10) is provided with a scale line indicating the height.

2. A tube high-frequency automatic welding tool according to claim 1, characterized in that, The part of the fixed clamping block (7) located outside the clamping groove (9) is provided with an assembly groove, and the lower end of the bearing block (10) is located in the assembly groove and is fastened to the fixed clamping block (7) through a bolt.

3. A tube high-frequency automatic welding tool according to claim 2, wherein The clamping groove (9) comprises a main groove cavity arranged on the side of the fixed clamping block (7) and a secondary groove cavity arranged on the side of the movable clamping block (8), and the inner wall of the main groove cavity is located in the same annular surface as the inner wall of the positioning hole (4).

4. The tube high-frequency automatic welding tool according to claim 1, characterized in that, The main groove cavity is a circular arc groove less than or equal to 1 / 2 of a circle and coaxial with the positioning hole (4); and the secondary groove cavity is a circular arc groove less than or equal to 1 / 2 of a circle.

5. The tube high frequency automatic welding tool according to claim 1, wherein The sides of the movable clamping block (8) are respectively provided with the secondary groove cavities.

6. The tube high-frequency automatic welding tool according to claim 1, wherein The support beam (3) is provided with an insertion slot for the horizontal lateral insertion of the fixed clamping block (7) from the side of the support beam (3), and the fixed clamping block (7) is inserted into the insertion slot from the side of the support beam (3) to form an assembly with the support beam (3).

7. The tube high frequency automatic welding tool according to claim 1, wherein The clamping component is provided with one or more than one, and when the number of clamping components is more than one, each clamping component is arranged in layers above the positioning seat (1).

8. The tube high-frequency automatic welding tool according to claim 1, characterized in that, The base (2) is provided with a limiting groove, the bottom of the positioning seat (1) is provided with a support block (11) matched with the limiting groove, and the positioning seat (1) is assembled with the base (2) by being clamped into the limiting groove through the support block (11).

9. The tube high frequency automatic welding tool according to claim 1, wherein The base (2) is provided with a fixed groove matched with the bottom end of the support beam (3), and the bottom end of the support beam (3) is located in the fixed groove and is fixed to the base (2) through a bolt.

10. The tube high frequency automatic welding tool according to claim 1, wherein The adjusting block (5) is provided with an oblong hole arranged along the sliding direction of the adjusting block (5), the part of the positioning seat (1) located inside the oblong hole is provided with a threaded hole, the fastener is a bolt, the fastener is located in the oblong hole, the head of the fastener is pressed on the adjusting block (5), and the end of the fastener is screwed into the threaded hole.

11. A tube high frequency automatic welding tool according to claim 10, wherein The contact surface between the locking piece (6) and the adjusting block (5) is provided with a buffer pad.

12. The tube high-frequency automatic welding tool according to claim 10, wherein ​

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