Device for machining bow rack

Abstract

The utility model relates to the technical field of threading machine processing. The device for machining the bow rack comprises a machining base, a machining vertical plate is arranged on the machining base, a center positioning assembly is arranged on the front side of the machining vertical plate, a plurality of rotatable end positioning rings are arranged on the periphery of the center positioning assembly at intervals, and a plurality of positioning protruding blocks are arranged on each end positioning ring. Clamping plates are arranged on the front side and the rear side of the machining vertical plate. The utility model provides the device for processing the bow rack, which can adapt to processing and positioning of bow racks with different sizes, is rapid and accurate in positioning, is stable in structure during processing, and is convenient to operate and use; the technical problems that in the prior art, an existing public main body is special in structure, clamping and positioning are difficult in the machining process, a common positioning clamp can only machine a bow frame of a single size, and rapid positioning is not convenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of threading machine processing, in particular to a device for processing a bow frame. Background Art

[0002] A pipe threading machine is a device used to process pipe threads according to actual conditions during pipe installation. Currently, pipe threading machines are developing rapidly, with many advantages, including simple structure, portability, and high threading efficiency.

[0003] The function of the threading machine bow assembly is to cut the completed pipe according to the length requirements after the operation is completed. It is an indispensable structure of the threading machine. However, its main bow has a special shape, which makes it difficult to clamp and position during processing, and ordinary fixtures can only process bows of a single size. Therefore, it is necessary to improve it. Utility Model Content

[0004] The utility model provides a device for processing bow frames that can adapt to the processing and positioning of bow frames of different sizes, has fast and accurate positioning, a stable structure during processing, and is easy to operate and use; it solves the technical problems in the prior art that the current public main body structure is special, clamping and positioning are difficult during processing, and ordinary positioning fixtures can only process bow frames of a single size, which is not convenient for rapid positioning.

[0005] The above-mentioned technical problem of the present invention is solved by the following technical solution: a device for processing a bow frame, comprising a processing base, a processing vertical plate provided on the processing base, a center positioning assembly provided on the front side of the processing vertical plate, a plurality of rotatable end positioning rings provided at intervals on the periphery of the center positioning assembly, each end positioning ring provided with a plurality of positioning protrusions, and clamping plates provided on the front and rear sides of the processing vertical plate. Before processing, the central through hole of the bow frame body is correspondingly clamped on the center positioning assembly, and the two ends of the bow frame are correspondingly clamped on the positioning protrusions on the end positioning rings. Finally, the front and rear clamping plates are clamped on the front side of the bow frame and the rear side of the processing vertical plate, and then the bow frame processing can begin. During processing, the end positioning rings can drive the bow frame to rotate 360 ​​degrees for processing.

[0006] Preferably, the center positioning assembly includes a center through hole formed in the center of the vertical plate, a positioning ring fixedly provided on the periphery of the center through hole, and a plurality of arc-shaped positioning plates provided on the periphery of the positioning ring. The center through hole is used to correspond to the through hole in the middle of the bow frame.

[0007] Preferably, the positioning plates simultaneously expand outward or retract inward, and the positioning plates are always located on concentric circles. The positioning plates simultaneously expand outward or retract inward, and the positioning plates are tightly attached to the inner wall of the through hole in the middle of the bow frame.

[0008] Preferably, a tightening shaft is provided between the positioning ring and the positioning plate, and the tightening shaft extends into the positioning ring, and can drive the positioning plate to expand outward or lock inward at the same time.

[0009] Preferably, a tension spring is provided on the outer sleeve of the tightening shaft between the positioning plate and the positioning ring.

[0010] Preferably, the center positioning assembly further comprises a tensioning block that presses from the rear side to the front side of the center through hole. The tensioning block presses from the rear side to the front side, so that the tensioning shaft and the positioning plate are tensioned outward.

[0011] Preferably, the diameter of the tensioning top block gradually increases from the front end to the rear end. The diameter of the tensioning top block can adapt to the processing of bow frames of different sizes and can be tightened toward the front side according to actual conditions.

[0012] Preferably, the clamping plate includes a top plate slidably mounted on the rear side of the processing vertical plate, the top plate corresponding to the tensioning top block and having the function of pressing the tensioning top block from the rear side to the front side.

[0013] Preferably, the clamping plate further comprises a limiting ring slidably mounted on the front side of the processing vertical plate. The limiting ring is used to limit the front side of the bow frame to ensure the stability of the bow frame processing.

[0014] Therefore, the device for processing bow frames of the present invention has the following advantages: it can adapt to the processing and positioning of bow frames of different sizes, the positioning is fast and accurate, the structure is stable during processing, and it is easy to operate and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a device for processing a bow frame according to the present invention.

[0016] Figure 2 yes Figure 1 Schematic diagram of the main structure.

[0017] Figure 3 yes Figure 1 Schematic diagram of the main cross-sectional structure.

[0018] Figure 4 yes Figure 1 Schematic diagram of the top view structure.

[0019] In the figure, the processing base 1, the processing vertical plate 2, the center through hole 3, the positioning plate 4, the tightening shaft 5, the tightening spring 6, the tightening top block 7, the end positioning ring 8, the positioning protrusion 9, the top plate 10, and the limit ring 11. DETAILED DESCRIPTION

[0020] The technical solution of the utility model is further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0021] Example:

[0022] like Figure 1 and 2 As shown in Figures 3 and 4, a device for processing a bow frame includes a processing base 1, on which an upwardly extending processing vertical plate 2 is vertically mounted, and a center positioning component is mounted on the front surface of the processing vertical plate 2. The center positioning component includes a center through hole 3 opened in the center of the processing vertical plate 2, and a positioning ring is fixedly mounted on the outer side of the center through hole 3. Six arc-shaped positioning plates 4 are mounted on the periphery of the positioning ring. The positioning plates 4 expand outward or retract inward at the same time, and the positioning plates 4 are always located on concentric circles.

[0023] A tightening shaft 5 is provided between the positioning ring and the positioning plate 4 . The tightening shaft 5 extends to the inner side of the positioning ring. A tension spring 6 is installed on the outer surface of the tightening shaft 5 between the positioning plate 4 and the positioning ring.

[0024] The center positioning assembly further includes a tensioning top block 7 that is pressed from the rear side to the front side of the center through hole 3 , and the diameter of the tensioning top block 7 gradually increases from the front end to the rear end.

[0025] Three end positioning rings 8 are rotatably mounted on the periphery of the positioning ring, and two positioning protrusions 9 are fixedly mounted on each end positioning ring 8 .

[0026] Clamps are installed on the front and rear sides of the processing vertical plate 2. The clamps include a top plate 10 slidably installed on the rear side of the processing vertical plate 2. The top plate 10 corresponds to the tensioning top block 7. The clamps also include a limiting ring 11 slidably installed on the front side of the processing vertical plate 2. The positioning ring is located between the positioning plate 4 and the end positioning ring 8.

[0027] Before processing, the middle through hole of the bow frame body is clamped on the center positioning assembly, and the tightening top block 7 is tightened from the rear side to the front side of the center through hole 3. As the tightening top block 7 is tightened, the tightening shaft 5 drives the positioning plate 4 to expand outward at the same time, so that the positioning plate 4 is tightened on the inner wall of the middle through hole of the bow frame. At the same time, the two ends of the bow frame are correspondingly clamped into the positioning protrusions 9 on the end positioning ring 8. Finally, the rear top plate 10 is pressed forward to tighten the tightening top block 7, and the front limit ring 11 is clamped on the front surface of the bow frame. Then the bow frame can be processed. During processing, the end positioning ring 8 is driven by a motor, and the end positioning ring 8 can drive the bow frame to rotate 360 ​​degrees for processing.

Claims

1. A device for processing a bow frame, comprising a processing base, characterized in that: The processing base is provided with a processing vertical plate, the front side of the processing vertical plate is provided with a center positioning component, the periphery of the center positioning component is provided with several rotatable end positioning rings, each end positioning ring is provided with several positioning protrusions, and the front and rear sides of the processing vertical plate are provided with splints.

2. The device for processing a bow frame according to claim 1, characterized in that: The center positioning component includes a center through hole opened in the center of the vertical plate, a positioning ring is fixedly provided on the outer periphery of the center through hole, and a plurality of arc-shaped positioning plates are provided on the outer periphery of the positioning ring.

3. The device for processing a bow frame according to claim 2, characterized in that: The positioning plates expand outward or retract inward at the same time, and the positioning plates are always located on concentric circles.

4. The device for processing a bow frame according to claim 3, characterized in that: A tightening shaft is provided between the positioning ring and the positioning plate, and the tightening shaft extends into the positioning ring.

5. The device for processing a bow frame according to claim 4, characterized in that: A tension spring is provided on the outer sleeve of the tightening shaft between the positioning plate and the positioning ring.

6. The device for processing a bow frame according to claim 1, characterized in that: The center positioning assembly further comprises a tensioning top block which is pressed from the rear side toward the front side of the center through hole.

7. The device for processing a bow frame according to claim 6, characterized in that: The diameter of the tensioning top block gradually increases from the front end to the rear end.

8. The device for processing a bow frame according to claim 1, characterized in that: The clamping plate comprises a top plate which is slidably mounted on the rear side of the processing vertical plate, and the top plate corresponds to the tensioning top block.

9. The device for processing a bow frame according to claim 1, characterized in that: The clamping plate also includes a limiting ring slidably mounted on the front side of the processing vertical plate.

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