Prism shaft centering and positioning tool

Abstract

The utility model discloses a centering and positioning tool for a prism shaft, which is applied to a rack and comprises a mounting seat clamping block positioning roller clamping auxiliary part, a mounting seat arranged on the rack and provided with a mounting hole; the at least three clamping blocks are uniformly distributed along the inner circumferential wall of the mounting hole, and the clamping blocks are slidably arranged on the mounting seat along the radial direction of the mounting hole; the positioning roller is rotationally connected to one end, close to the mounting hole, of the clamping block; the rotating shaft extension direction of the positioning roller is the same as the axial direction of the mounting hole; the peripheral wall of the clamping auxiliary part is arranged to be a cylindrical surface, the clamping auxiliary part and the mounting hole are coaxially arranged, the clamping auxiliary part is provided with a workpiece clamping hole, the workpiece clamping hole extends in the axial direction of the mounting hole, and the peripheral wall of the clamping auxiliary part is used for abutting against the positioning roller. The workpiece machining efficiency and precision can be improved, the production cost is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of workpiece processing, in particular to a prismatic shaft centering and positioning tool. Background Art

[0002] Usually when machining prismatic holes, a straight rod is used to position the prismatic workpiece against the outer surface of the prism to prevent it from shifting. However, the straight rod has a high hardness and is not only easy to scratch the prism, but it will also wear out after a long time of use, affecting the machining accuracy and requiring frequent replacement. At the same time, it is also inconvenient to process various types of workpieces, affecting machining efficiency. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a prismatic axis centering and positioning tool, which can reduce the wear of the positioning fixture on the workpiece during the processing of the multi-prism workpiece, and facilitate the use of different detachable fixtures when processing prism workpieces of different specifications, and play a supporting role.

[0004] According to the first aspect of the utility model, a prismatic shaft centering and positioning tool is applied to a frame, comprising: a mounting seat, a clamping block, a positioning roller clamping auxiliary part, the mounting seat is arranged on the frame, and the mounting seat is provided with a mounting hole; at least three of the clamping blocks are evenly distributed along the inner circumferential wall of the mounting hole, and the clamping block is slidably arranged on the mounting seat along the radial direction of the mounting hole; the positioning roller is rotatably connected to one end of the clamping block close to the mounting hole, and the extension direction of the rotating shaft of the positioning roller is the same as the axial direction of the mounting hole; the outer circumferential wall of the clamping auxiliary part is arranged as a cylindrical surface, the clamping auxiliary part is coaxially arranged with the mounting hole, the clamping auxiliary part is provided with a workpiece clamping hole, the workpiece clamping hole extends along the axial direction of the mounting hole, and the outer circumferential wall of the clamping auxiliary part is used to abut the positioning roller.

[0005] A prismatic shaft centering and positioning tool according to an embodiment of the utility model has at least the following beneficial effects: through the design of the positioning roller and the clamping auxiliary parts, the workpiece can be positioned to ensure the accurate position of the workpiece during the clamping process and improve the processing accuracy; through the design of at least three clamping blocks evenly distributed along the inner wall of the mounting hole, the workpiece can be firmly clamped, and the clamping blocks are radially slidable, so the clamping operation can be performed quickly and flexibly, thereby improving the clamping efficiency; through the radial sliding of the clamping blocks, the clamping blocks can be conveniently adjusted to adapt to workpieces of different sizes or shapes, thereby improving the applicability and flexibility of the tool; through the coaxial arrangement of the clamping auxiliary parts with the mounting hole, the stability of the workpiece can be enhanced, the vibration and deviation during the processing can be reduced, and the processing quality and efficiency can be improved; through the clamping auxiliary parts, the prismatic shaft centering and positioning tool is suitable for various mechanical processing fields, such as lathes, milling machines, etc., and can be used to position and process workpieces of various shapes, and has a wide range of application value. In summary, the utility model has many beneficial effects such as quick clamping, convenient adjustment, strong stability and wide application range, etc., which can improve the efficiency and accuracy of workpiece processing, reduce production costs and improve production efficiency.

[0006] According to some embodiments of the utility model, the mounting seat includes an upper half and a lower half, the lower half is connected to the frame, the upper half is hinged to the lower half, and the upper half and the lower half are embraced to form the mounting seat. The upper half is hinged to the lower half to facilitate the replacement of the clamping auxiliary part.

[0007] According to some embodiments of the utility model, the free ends of the upper half section and the lower half section are connected to each other and are provided with a positioning groove, the upper half section is provided with a positioning platform, the positioning platform is provided with a locking surface, and the mounting seat further includes:

[0008] A fastening bolt is received in the clamping groove, and one end of the fastening bolt is screwed into the lower half;

[0009] A backing plate, passing through the other end of the fastening bolt, wherein the lower end surface of the backing plate abuts against the locking surface;

[0010] A locking nut is screwed into the fastening bolt, and the locking nut is used to lock the backing plate on the locking surface. The backing plate is conveniently fitted to the locking surface.

[0011] According to some embodiments of the present invention, the lower half is connected to a base, and the base is detachably connected to the rack. The base is conveniently applicable to racks of different widths.

[0012] According to some embodiments of the present utility model, at least three positioning rollers are provided, and the positioning rollers are used to balance the force of the clamping auxiliary component.

[0013] According to some embodiments of the utility model, a fixing knob is further included, which abuts against the clamping block, the fixing knob and the clamping block are arranged in a one-to-one correspondence, and the fixing knob is used to position the clamping block. The setting of the fixing knob facilitates the adjustment of the clamping block.

[0014] According to some embodiments of the utility model, an adjusting knob is further included, wherein the adjusting knob is threadedly connected to the mounting seat, the rotating end of the adjusting knob abuts against the clamping block, and the adjusting knob is used to adjust the position of the clamping block.

[0015] According to some embodiments of the utility model, a tightening screw is threadedly connected to the outer peripheral wall of the clamping auxiliary part, and the number of the tightening screws is at least three, and the at least three tightening screws are evenly distributed along the outer peripheral wall of the clamping auxiliary part, and the axis of the tightening screw extends along the radial direction of the clamping auxiliary part, and the tightening screw is used to tighten the workpiece in the workpiece clamping hole. The tightening screw is convenient for evenly distributing the force on the workpiece, avoiding damage or deformation caused by local overload or uneven force on the workpiece.

[0016] According to some embodiments of the present utility model, the shape of the workpiece clamping hole is similar to the cross section of the workpiece, and an avoidance groove is provided on the inner wall of the workpiece clamping hole, and the avoidance groove is used to avoid the edges and corners of the workpiece.

[0017] According to some embodiments of the utility model, the avoidance groove is in the shape of a square groove, a semicircular groove or a circular groove, and the avoidance groove is convenient for use with various types of workpieces.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 This is a structural schematic diagram of a prismatic axis centering and positioning tooling according to an embodiment of the utility model;

[0021] Figure 2 for Figure 1 The structure of the mounting base shown is shown Figure 1 ;

[0022] Figure 3 for Figure 1 The structure of the mounting base shown is shown Figure 2 ;

[0023] Figure 4 for Figure 1 The structural schematic diagram of the clamping auxiliary part is shown;

[0024] Figure 5 for Figure 1 The structure of the embodiment of the clamping auxiliary part is shown Figure 1 ;

[0025] Figure 6 for Figure 1 The structure of the embodiment of the clamping auxiliary part is shown Figure 2 ;

[0026] Figure 7 for Figure 1 The structure of the embodiment of the clamping auxiliary part is shown Figure 3 .

[0027] Mounting seat 100, mounting hole 110;

[0028] The upper half section 120, the lower half section 130, the positioning slot 140, and the positioning platform 150;

[0029] Locking surface 151, fastening bolt 160, backing plate 170;

[0030] Locking nut 180, base 190, clamping block 200, positioning roller 210;

[0031] A clamping auxiliary part 300, a workpiece clamping hole 310, an avoidance groove 311, and a tightening screw 320;

[0032] Fixed knob 400 , adjustment knob 500 , workpiece 600 . DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0034] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the description of the present utility model, the meaning of "several" is one or more, the meaning of "more" is two or more, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0036] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0037] Reference Figures 1 to 7A prismatic shaft centering and positioning tool is applied to a frame, comprising: a mounting seat 100, a clamping block 200, a positioning roller 210, and a clamping auxiliary part 300. The mounting seat 100 is arranged on the frame, and the mounting seat 100 is provided with a mounting hole 110; at least three clamping blocks 200 are evenly distributed along the inner circumferential wall of the mounting hole 110, and the clamping blocks 200 are slidably arranged on the mounting seat 100 along the radial direction of the mounting hole 110; the positioning roller 210 is rotatably connected to the clamping block 200 near the mounting hole 110 The extension direction of the rotation axis of the positioning roller 210 is the same as the axial direction of the mounting hole 110; the outer peripheral wall of the clamping auxiliary part 300 is set as a cylindrical surface, the clamping auxiliary part 300 is coaxially arranged with the mounting hole 110, and the clamping auxiliary part 300 is provided with a workpiece clamping hole 310, which extends along the axial direction of the mounting hole 110. The outer peripheral wall of the clamping auxiliary part 300 is used to abut the positioning roller 210; through the design of the positioning roller 210 and the clamping auxiliary part 300, it is possible to The workpiece 600 is positioned to ensure that the workpiece 600 is accurately positioned during the clamping process, thereby improving the machining accuracy. By adopting a design in which at least three clamping blocks 200 are evenly distributed along the inner wall of the mounting hole 110, the workpiece 600 can be firmly clamped, and the clamping block 200 is radially slidable, so that the clamping operation can be performed quickly and flexibly, thereby improving the clamping efficiency. By radially sliding the clamping block 200, the clamping block 200 can be conveniently adjusted to adapt to workpieces 600 of different sizes or shapes, thereby improving the applicability and flexibility of the tooling. By setting the clamping auxiliary part 300 coaxially with the mounting hole 110, the stability of the workpiece 600 can be enhanced, vibration and deviation during machining can be reduced, and machining quality and efficiency can be improved. By setting the clamping auxiliary part 300, the prismatic axis centering and positioning tooling is suitable for various mechanical machining fields, such as lathes, milling machines, etc., and can be used to position and machine workpieces 600 of various shapes, thereby having a wide range of application value. In summary, the utility model has many beneficial effects such as quick clamping, convenient adjustment, strong stability and wide application range, etc., which can improve the efficiency and accuracy of workpiece processing, reduce production costs and improve production efficiency.

[0038] In some embodiments, at least three clamping blocks 200 are disposed on the same cross section.

[0039] In some embodiments, the frame cooperates with the prismatic axis centering and positioning tool to clamp the workpiece. The prismatic axis centering and positioning tool is equivalent to supporting the prismatic axis, and the frame itself can support the two ends of the prismatic axis. Here, the frame can be a lathe, drilling machine, milling machine or slotting machine, etc. The processing positioning center line of the frame is coaxially arranged with the clamping auxiliary part 300.

[0040] Reference Figure 2The mounting seat 100 includes an upper half section 120 and a lower half section 130, the lower half section 130 is connected to the frame, the upper half section 120 is hinged to the lower half section 130, and the upper half section 120 and the lower half section 130 are embraced to form the mounting seat 100. The upper half section 120 is hinged to the lower half section 130 to facilitate the replacement of the clamping auxiliary part 300.

[0041] In some embodiments, the upper half section 120 and the free end of the lower half section 130 are connected to each other and are provided with a positioning groove 140, the upper half section 120 is provided with a positioning platform 150, and the positioning platform 150 is provided with a locking surface 151, and the mounting seat 100 further includes:

[0042] The fastening bolt 160 is received in the locking groove 140 , and one end of the fastening bolt 160 is screwed into the lower half portion 130 ;

[0043] A backing plate 170 is passed through the other end of the fastening bolt 160, and the lower end surface of the backing plate 170 abuts against the locking surface 151;

[0044] The locking nut 180 is screwed into the fastening bolt 160, and the locking nut 180 is used to lock the pad 170 on the locking surface 151. The pad 170 is convenient to fit the locking surface 151. It should be noted that the free ends of the upper half section 120 and the lower half section 130 are connected and provided with a positioning groove 140. The so-called connection setting means that the upper half section 120 and the lower half section 130 are respectively provided with a positioning groove 140 at one end away from the hinge, and the upper half section 120 and the lower half section 130 are embraced to form the positioning groove 140.

[0045] In some embodiments, the lower half 130 is connected to a base 190, and the base 190 is detachably connected to the rack. The provided base 190 is conveniently applicable to racks of different widths.

[0046] In some embodiments, at least three positioning rollers 210 are provided, and the positioning rollers 210 are used to balance the force of the clamping auxiliary component 300 .

[0047] In some embodiments, a fixed knob 400 is further included, which abuts against the clamping block 200. The fixed knob 400 and the clamping block 200 are arranged one by one, and the fixed knob 400 is used to position the clamping block 200. The fixed knob 400 is arranged to facilitate the adjustment of the clamping block 200.

[0048] In some embodiments, an adjusting knob 500 is further included. The adjusting knob 500 is threadedly connected to the mounting seat 100 . The rotating end of the adjusting knob 500 abuts against the clamping block 200 . The adjusting knob 500 is used to adjust the position of the clamping block 200 .

[0049] Reference Figure 4A tightening screw 320 is threadedly connected to the outer peripheral wall of the clamping auxiliary part 300, and the number of the tightening screws 320 is at least three, and at least three tightening screws 320 are evenly distributed along the outer peripheral wall of the clamping auxiliary part 300, and the axis of the tightening screw 320 extends along the radial direction of the clamping auxiliary part 300, and the tightening screw 320 is used to tighten the workpiece 600 in the workpiece clamping hole 310. The set tightening screw 320 facilitates even distribution of the force on the workpiece 600, and avoids damage or deformation caused by local overload or uneven force on the workpiece 600.

[0050] In some embodiments, the shape of the workpiece clamping hole 310 is similar to the cross section of the workpiece 600 , and an avoidance groove 311 is provided on the inner wall of the workpiece clamping hole 310 , and the avoidance groove 311 is used to avoid the edges and corners of the workpiece 600 .

[0051] In some embodiments, the avoidance groove 311 is shaped as a square groove, a semicircular groove, or a circular groove. The avoidance groove 311 is conveniently applicable to various types of workpieces 600.

[0052] Reference Figures 4 to 7 , after removing the clamping auxiliary part 300, load and process the cylindrical workpiece. In addition, the workpiece 600 can be a workpiece of a standard prism shape, such as a triangular prism, a quadrangular prism, a pentagonal prism or a hexagonal prism, etc., or it can be a prism-like workpiece that has not yet been processed.

[0053] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A prismatic axis centering and positioning tool, characterized in that: Applicable to racks, including: A mounting seat (100) is arranged on the frame, and the mounting seat (100) is provided with a mounting hole (110); A clamping block (200), at least three of the clamping blocks (200) are evenly distributed along the inner peripheral wall of the mounting hole (110), and the clamping block (200) is slidably disposed on the mounting seat (100) along the radial direction of the mounting hole (110); A positioning roller (210) is rotatably connected to one end of the clamping block (200) close to the mounting hole (110), and the extending direction of the rotation axis of the positioning roller (210) is the same as the axial direction of the mounting hole (110); A clamping auxiliary component (300) has an outer peripheral wall arranged as a cylindrical surface. The clamping auxiliary component (300) is arranged coaxially with the mounting hole (110). The clamping auxiliary component (300) is provided with a workpiece clamping hole (310). The workpiece clamping hole (310) extends axially along the mounting hole (110). The outer peripheral wall of the clamping auxiliary component (300) is used to abut against the positioning roller (210).

2. A prismatic axis centering and positioning tool according to claim 1, characterized in that: The mounting seat (100) comprises an upper half section (120) and a lower half section (130), wherein the lower half section (130) is connected to the frame, the upper half section (120) is hinged to the lower half section (130), and the upper half section (120) and the lower half section (130) are embraced to form the mounting seat (100).

3. A prismatic axis centering and positioning tool according to claim 2, characterized in that: The free ends of the upper half section (120) and the lower half section (130) are connected to each other and are provided with a locking groove (140); the upper half section (120) is provided with a locking platform (150); the locking platform (150) is provided with a locking surface (151); and the mounting seat (100) further comprises: A fastening bolt (160) is accommodated in the locking groove (140), and one end of the fastening bolt (160) is screwed into the lower half (130); A backing plate (170) is passed through the other end of the fastening bolt (160), and the lower end surface of the backing plate (170) abuts against the locking surface (151); A locking nut (180) is screwed into the fastening bolt (160), and the locking nut (180) is used to lock the backing plate (170) on the locking surface (151).

4. A prismatic axis centering and positioning tool according to claim 3, characterized in that: The lower half (130) is connected to a base (190), and the base (190) is detachably connected to the frame.

5. The prismatic axis centering and positioning tool according to claim 1, characterized in that: At least three positioning rollers (210) are provided, and the positioning rollers (210) are used to balance the force applied to the clamping auxiliary component (300).

6. The prismatic axis centering and positioning tool according to claim 1, characterized in that: It also comprises a fixed knob (400) which abuts against the clamping block (200), the fixed knob (400) and the clamping block (200) being arranged in a one-to-one correspondence, and the fixed knob (400) being used to position the clamping block (200).

7. The prismatic axis centering and positioning tool according to claim 1, characterized in that: It also comprises an adjusting knob (500), the adjusting knob (500) being threadedly connected to the mounting seat (100), the rotating end of the adjusting knob (500) abutting against the clamping block (200), and the adjusting knob (500) being used to adjust the position of the clamping block (200).

8. The prismatic axis centering and positioning tool according to claim 1, characterized in that: A tightening screw (320) is threadedly connected to the outer peripheral wall of the clamping auxiliary component (300), and the number of the tightening screws (320) is at least three. At least three tightening screws (320) are evenly distributed along the outer peripheral wall of the clamping auxiliary component (300), and the axis of the tightening screw (320) extends along the radial direction of the clamping auxiliary component (300). The tightening screw (320) is used to tighten the workpiece (600) in the workpiece clamping hole (310).

9. The prismatic axis centering and positioning tool according to claim 1, characterized in that: An avoidance groove (311) is provided on the inner wall of the workpiece clamping hole (310), and the avoidance groove (311) is used to avoid the edges and corners of the workpiece (600).

10. A prismatic shaft centering and positioning tool according to claim 9, characterized in that: The avoidance groove (311) is configured in a shape of a square groove, a semicircular groove or a circular groove.

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