Positioning tool for cutting

Abstract

The utility model discloses a positioning tool for cutting, which is used for positioning a part, the part is a step shaft with an inner hole at the end part, insertion strips are arranged on both sides in the inner hole, and the positioning tool comprises a driving device, a positioning device and a positioning device, the fixed disc is in transmission connection with the driving device; the positioning assembly is arranged on the fixing disc, the positioning assembly comprises a plug pin, a left positioning block and a right positioning block, and the left positioning block and the right positioning block are arranged on the left side and the right side of the plug pin respectively; the inner side face of the left positioning block and the inner side face of the right positioning block are arc faces, inserting grooves are formed in the two sides of the inserting pin, and the inserting grooves correspond to the inserting strips. According to the positioning tool for cutting, positioning of an inner hole of a part can be achieved, a positioning basis is provided for follow-up cutting machining, and machining precision and convenience are guaranteed; and the positioning efficiency is high, the positioning effect is good, practicability is high, and popularization is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of tooling, and particularly relates to a positioning tooling for cutting. Background Art

[0002] There is a kind of shaft-like part at present. This part is a stepped shaft with an inner hole 10 opened at the end. On both sides inside the inner hole 10, there are inserted bars 11, as Figure 5 shown.

[0003] At present, it is necessary to perform cutting processing on this shaft-like part. During the positioning process, it is necessary to position the end where the inner hole 10 is opened, and there is no applicable one in the traditional positioning tooling; therefore, a positioning tooling for cutting is designed to solve the above problems.

[0004] It should be noted that the above introduction of the technical background is only for the convenience of clearly and completely explaining the technical solution of the present utility model and facilitating the understanding of those skilled in the art. It cannot be considered that the above technical solutions are well-known to those skilled in the art just because these solutions are described in the background art part of the present utility model. Summary of the Utility Model

[0005] In order to overcome the deficiencies in the above-mentioned prior art, the purpose of the present utility model is to provide a positioning tooling for cutting.

[0006] To achieve the above purpose and other related purposes, the technical solution provided by the present utility model is: a positioning tooling for cutting, used for positioning a part. This part is a stepped shaft with an inner hole opened at the end. On both sides inside the inner hole, there are inserted bars. The positioning tooling is characterized by including:

[0007] A driving device;

[0008] A fixed disk, which is in transmission connection with the driving device;

[0009] A positioning component, which is arranged on the fixed disk. The positioning component includes a plug pin, a left positioning block and a right positioning block. The left positioning block and the right positioning block are respectively arranged on the left and right sides of the plug pin; the inner sides of the left positioning block and the right positioning block are both arc surfaces. On both sides of the plug pin, there are inserted slots, and the inserted slots are arranged corresponding to the inserted bars.

[0010] In this solution, when the positioning tooling performs positioning, the plug pin is inserted into the inner hole of the part. At this time, the inserted slots are clamped with the inserted bars, and the head of the part abuts against the arc-shaped inner sides of the left positioning block and the right positioning block, ensuring the accuracy and stability of the positioning; then the positioning component rotates through the transmission of the fixed disk, thereby realizing the rotation of the part and providing a rotation basis for the cutting processing of the part.

[0011] Further, a speed reducer is provided between the driving device and the fixed disk, and the speed reducer is connected to the driving device through a coupling. In this solution, a speed reducer is provided between the driving device and the fixed disk to increase the output torque and ensure the processing requirements.

[0012] Further, a turntable is provided at the output end of the speed reducer. The turntable is arranged on the output shaft of the speed reducer, and the turntable is detachably connected to the fixed disk. In this solution, a turntable is provided on the speed reducer and then connected to the fixed disk through the turntable, which is convenient for disassembly, assembly and replacement of different fixed disks.

[0013] Further, a plurality of through holes for installing fasteners are provided on the fixed disk, and a plurality of installation ports corresponding to the through holes one by one are provided on the turntable. In this solution, the fixed disk and the turntable are connected by fasteners, which is convenient for disassembly and assembly.

[0014] Further, a plurality of evenly distributed card slots are provided on the outer end surface of the turntable. The card slots extend from the center of the turntable to the edge along its radial direction, and the installation ports are provided at the openings of the card slots. In this solution, the design of the card slots can meet the requirements of fixed disks of different sizes and expand the scope of application.

[0015] Further, the longitudinal section of the card slot is convex-shaped. In this solution, the convex-shaped card slot structure has stable connection and ensures stable transmission.

[0016] Further, a guiding structure is provided at the head of the plug pin. In this solution, a guiding structure is provided at the head of the plug pin, which is convenient for quickly inserting into the inner hole and improves the positioning efficiency.

[0017] Due to the application of the above technical solutions, the beneficial effects of the present utility model compared with the prior art are as follows:

[0018] The positioning tooling designed by the present utility model can realize the positioning of the inner hole of the part, provide a positioning basis for subsequent cutting processing, ensure the accuracy and convenience of processing; moreover, it has high positioning efficiency, good positioning effect, strong practicability and is suitable for popularization. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the positioning tooling of the present utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the fixed disk and the positioning component of the present utility model;

[0021] Figure 3 It is a schematic diagram of the turntable structure of the present utility model;

[0022] Figure 4Schematic diagram of the positioning component structure of the present utility model;

[0023] Figure 5 Schematic diagram of the part to be positioned of the present utility model;

[0024] In the above drawings, 1. fixed disk; 2. positioning component; 201. plug pin; 202. left positioning block; 203. right positioning block; 204. insertion slot; 3. reduction gear; 4. coupling; 5. turntable; 6. through hole; 7. mounting opening; 8. card slot; 9. guiding structure; 10. inner hole; 11. insertion bar. Specific embodiments

[0025] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification.

[0026] It should be noted that in the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance. The terms "horizontal", "vertical", "hanging", etc. do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0027] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] In the description of the present application, it should be understood that the orientation or positional relationship indicated by orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description. Without contrary explanation, these orientation words do not indicate and imply that the device or component referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present application; the orientation words "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0029] The following will elaborate on the preferred embodiments of the present utility model in conjunction with the drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making the protection scope of the present utility model more clearly defined.

[0030] Embodiment 1: Refer to Attach Figure 1 and Attach Figure 4 As shown, this embodiment provides a positioning tooling for cutting, which is used for positioning a part. The part is a stepped shaft with an inner hole 10 opened at the end. Both sides inside the inner hole 10 are provided with insertion strips 11, including:

[0031] A driving device;

[0032] A fixed disk 1, and the fixed disk 1 is in transmission connection with the driving device;

[0033] A positioning assembly 2, the positioning assembly 2 is arranged on the fixed disk 1. The positioning assembly 2 includes a plug pin 201, a left positioning block 202 and a right positioning block 203. The left positioning block 202 and the right positioning block 203 are respectively arranged on the left and right sides of the plug pin 201; the inner side surfaces of the left positioning block 202 and the right positioning block 203 are both arc surfaces. Both sides of the plug pin 201 are provided with insertion slots 204, and the insertion slots 204 are arranged corresponding to the insertion strips 11.

[0034] In this embodiment, when the positioning tooling positions, the plug pin 201 is inserted into the inner hole 10 of the part. At this time, the insertion slots 204 are engaged with the insertion strips 11, and the head of the part abuts against the arc-shaped inner side surfaces of the left positioning block 202 and the right positioning, ensuring the positioning accuracy and stability; then the positioning assembly 2 rotates through the transmission of the fixed disk 1, thereby realizing the rotation of the part and providing a rotation basis for the cutting process of the part.

[0035] Embodiment 2: Refer to Attach Figure 1 As shown, this embodiment is a further improvement based on Embodiment 1. The specific method is: a speed reducer 3 is arranged between the driving device and the fixed disk 1, and the speed reducer 3 is connected to the driving device through a coupling 4.

[0036] In this embodiment, a speed reducer 3 is provided between the driving device and the fixed disk 1 to increase the output torque and ensure the processing requirements.

[0037] Embodiment Three: Refer to the appendix Figure 1 As shown, this embodiment is a further improvement based on Embodiment Two. The specific method is as follows: A turntable 5 is provided at the output end of the speed reducer 3. The turntable 5 is arranged on the output shaft of the speed reducer 3, and the turntable 5 is detachably connected to the fixed disk 1.

[0038] In this embodiment, the turntable 5 is provided on the speed reducer 3 and then connected to the fixed disk 1 through the turntable 5, which is convenient for disassembly, assembly, and replacement of different fixed disks 1.

[0039] Embodiment Four: Refer to the appendix Figure 2 and the appendix Figure 3 As shown, this embodiment is a further improvement based on Embodiment Three. The specific method is as follows: A plurality of through holes 6 for installing fasteners are provided on the fixed disk 1, and a plurality of installation openings 7 corresponding to the through holes 6 one by one are provided on the turntable 5.

[0040] In this embodiment, the fixed disk 1 and the turntable 5 are connected by fasteners, which is convenient for disassembly and assembly.

[0041] Embodiment Five: Refer to the appendix Figure 3 As shown, this embodiment is a further improvement based on Embodiment Four. The specific method is as follows: A plurality of uniformly distributed card slots 8 are provided on the outer end face of the turntable 5. The card slots 8 extend from the center of the turntable 5 along its radial direction to the edge, and the installation openings 7 are provided at the openings of the card slots 8.

[0042] In this embodiment, the design of the card slots 8 can meet the requirements of fixed disks 1 of different sizes and expand the scope of application.

[0043] Embodiment Six: Refer to the appendix Figure 3 As shown, this embodiment is a further improvement based on Embodiment Five. The specific method is as follows: The longitudinal section of the card slot 8 is convex-shaped.

[0044] In this embodiment, the convex-shaped card slot 8 structure has stable connection and ensures stable transmission.

[0045] Embodiment Seven: Refer to the appendix Figure 4 As shown, this embodiment is a further improvement based on Embodiment Six. The specific method is as follows: A guiding structure 9 is provided at the head of the plug pin 201.

[0046] Among them, the plug pin 201 is cylindrical. The guiding structure 9 can be made by chamfering the cylindrical end of the plug pin 201, or the end of the plug pin 201 can be made into a structure with a gradually decreasing diameter.

[0047] In this embodiment, a guiding structure 9 is provided at the head of the bolt 201, which facilitates quick insertion into the inner hole 10 and improves the positioning efficiency.

[0048] The positioning tooling for cutting designed by the present utility model can achieve the positioning of the inner hole of the part, provide a positioning basis for subsequent cutting processing, and ensure the accuracy and convenience of processing; moreover, it has high positioning efficiency, good positioning effect, strong practicability, and is suitable for popularization.

[0049] The above embodiments are only for illustrating the technical concept and features of the present utility model, and the purpose is to enable those who are familiar with this technology to understand the content of the present utility model and implement it, and it cannot be used to limit the protection scope of the present utility model. Any equivalent changes or modifications made according to the spirit of the present utility model should be covered within the protection scope of the present utility model.

Claims

1. A positioning tool for cutting, used for positioning a part, the part being a stepped shaft with an inner hole (10) formed at the end, and inserts (11) being provided on both sides of the inner hole (10), characterized in that: include: Drive device; A fixed disk (1), the fixed disk (1) being drivingly connected to the driving device; A positioning assembly (2), the positioning assembly (2) being arranged on the fixed plate (1), the positioning assembly (2) comprising a latch (201), a left positioning block (202) and a right positioning block (203), the left positioning block (202) and the right positioning block (203) being arranged on the left and right sides of the latch (201) respectively; the inner side surfaces of the left positioning block (202) and the right positioning block (203) are both arc surfaces, both sides of the latch (201) are provided with plug-in slots (204), the plug-in slots (204) being arranged corresponding to the plug strip (11).

2. A cutting positioning tool according to claim 1, characterized in that: A reducer (3) is provided between the driving device and the fixed disk (1), and the reducer (3) and the driving device are connected via a coupling (4).

3. A cutting positioning tool according to claim 2, characterized in that: The output end of the reducer (3) is provided with a rotating disk (5), the rotating disk (5) is arranged on the output shaft of the reducer (3), and the rotating disk (5) is detachably connected to the fixed disk (1).

4. A cutting positioning tool according to claim 3, characterized in that: The fixed disk (1) is provided with a plurality of through holes (6) for installing fasteners, and the rotating disk (5) is provided with a plurality of installation openings (7) corresponding one-to-one to the through holes (6).

5. A cutting positioning tool according to claim 4, characterized in that: The outer end surface of the turntable (5) is provided with a plurality of evenly distributed slots (8), the slots (8) extending from the center of the turntable (5) along its radial direction to the edge, and the mounting opening (7) is provided at the opening of the slots (8).

6. A cutting positioning tool according to claim 5, characterized in that: The longitudinal cross section of the clamping slot (8) is in the shape of a convex letter.

7. A cutting positioning tool according to claim 6, characterized in that: The head of the latch (201) is provided with a guide structure (9).

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