Tool changing jig

Abstract

The utility model discloses a tool changing jig. The tool changing jig is suitable for a turning tool with a tool handle of a step structure and comprises a base, a tool apron body, a positioning block and a movable block. The tool apron body is fixedly arranged on the base and comprises a vertical part and a horizontal part, the movable block is movably connected to the vertical part, and the positioning block is arranged at the end, away from the horizontal part, of the base. After the small-diameter section is inserted into the turning tool through hole, the first end face, close to the vertical part, of the horizontal part abuts against the step face of the step structure; the positioning block is used for positioning the extension length of a first cutter mounted on the small-diameter section; and the movable block is used for positioning the length of a second cutter mounted on the large-diameter section after being fixed on the vertical part. And the extension lengths of the first cutter and the second cutter meet the requirements. The extension length of the cutter does not need to be determined manually, the operation time for replacing the cutter is shortened, and the efficiency is improved; and meanwhile, the problem that hands of workers are scratched is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field, especially a tool changing jig. BACKGROUND

[0002] The machining equipment comprises a machine body, a hollow box body and a turning tool, the hollow box body is fixedly connected with the machine body, and the turning tool is connected with the hollow box body in a plug-in manner.

[0003] The existing tool changing jig is provided with an inner cylinder for mounting the turning tool, and an observation window for observing the position of the tool tip is arranged at the lower part of the tool changing jig, and the observation window is communicated with the inner cylinder. SUMMARY

[0004] The position of the first turning tool is observed, the inner cylinder and the first turning tool are aligned, the first turning tool is moved into the inner cylinder, and the first turning tool is taken down.

[0005] Further, when the second turning tool is replaced, the operator needs to determine the position of the second turning tool by hand due to the fact that the hollow box body blocks the operator's line of sight, and the operator's hand is easily scratched in the process of determining the position of the second turning tool.

[0006] In view of the above problems, the present application is proposed in order to provide a tool changing jig which overcomes the above problems or at least partially solves the above problems.

[0007] The tool changing jig according to the present application is suitable for a turning tool with a stepped tool shank, and comprises a base, a tool seat body, a positioning block, and a movable block.

[0008] The tool seat body is fixedly arranged on the base, and comprises a vertical part and a horizontal part. The movable block is movably connected to the vertical part, and the positioning block is arranged at one end of the base away from the horizontal part.

[0009] The horizontal part is provided with a turning tool through hole for inserting a small diameter section of the tool shank. After the small diameter section is inserted into the turning tool through hole, a first end face of the horizontal part close to the vertical part abuts against a stepped surface of the stepped structure.

[0010] The positioning block is used to position the extension length of the first tool installed on the small diameter section.

[0011] The movable block is used to position the length of the second tool installed on the large diameter section after being fixed to the vertical part.

[0012] In a further optional embodiment, the movable block comprises a connecting through hole and a connecting wire matched with the connecting through hole. The vertical part comprises a connecting hole matched with the connecting wire.

[0013] One end of the connecting wire passes through the connecting through hole and is detachably connected to the connecting hole, so that the movable block is detachably arranged on the vertical part.

[0014] In a further optional embodiment, the movable block comprises a connecting through hole and a connecting wire matched with the connecting through hole. The vertical part comprises a connecting hole matched with the connecting wire.

[0015] The connecting through hole is provided with an internal thread, and the connecting wire is provided with an external thread. The connecting wire is fixed to the connecting hole by passing through the connecting through hole.

[0016] The internal thread of the connecting through hole and the external thread of the connecting wire are matched, so that the movable block is rotatably arranged on the horizontal part.

[0017] In a further optional embodiment, the distance from the first end face to the positioning block is equal to the length of the small diameter section of the tool shank and the extension length of the first tool.

[0018] After the movable block is fixed to the vertical part, the distance from the first end face to the movable block is equal to the length of the large diameter section of the tool shank and the extension length of the second tool.

[0019] Further optional implementation, characterized in that the tool holder body further comprises at least one first fixed through hole, a first fixed top pin matched with the first fixed through hole; one end of the first fixed top pin passes through the first fixed through hole and contacts with the tool, so as to fix the tool.

[0020] Further optional implementation, the tool holder body comprises at least one second fixed through hole, a second fixed top pin matched with the second fixed through hole; the base comprises a first fixed hole matched with the second fixed top pin;

[0021] One end of the second fixed top pin passes through the second fixed through hole and is fixedly connected with the first fixed hole, so that the tool holder body is fixedly arranged on the base.

[0022] Further optional implementation, the positioning block comprises at least one third fixed through hole, a third fixed top pin matched with the third fixed through hole; the base comprises a second fixed hole matched with the third fixed top pin;

[0023] One end of the third fixed top pin passes through the third fixed through hole and is fixedly connected with the second fixed hole, so that the positioning block is fixedly arranged on one end of the base.

[0024] Further optional implementation, the tool holder body is L-shaped, and the shape of the tool hole is matched with the shape of the common part of the tool shank.

[0025] Further optional implementation, the width of the base is the same as the width of the horizontal part.

[0026] Further optional implementation, the width of the positioning block is the same as the width of the base.

[0027] Further optional implementation, after the movable block is fixed on the vertical part, the length of the base is equal to the sum of the distance from the positioning block to the movable block and the thickness of the positioning block and the movable block.

[0028] The above technical solutions provided by the embodiments of the present application have at least the following beneficial effects:

[0029] In the present application, the movable block is allowed to give way when it is not fixed on the horizontal part, the common part of the tool shank is inserted into the tool hole of the horizontal part, the stepped part of the tool shank contacts with the horizontal part, the first tool tip contacts with the positioning block 2, and the extension length of the first tool meets the requirements; after the movable block is fixed on the horizontal part, the second tool tip contacts with the movable block, and the extension length of the second tool meets the requirements.

[0030] Further, the present application does not need to determine the protruding length of the tool in an artificial way, reduces the operation time of replacing the tool, and improves the efficiency; meanwhile, the problem of hand scratch of the worker is avoided.

[0031] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

[0032] The technical solutions of the present application are described in detail below with the help of the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0033] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of the specification, illustrate embodiments of the present application and explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0034] Figure 1 It is a structural schematic diagram of the tool changing jig in the embodiment of the present application;

[0035] Figure 2 It is a specific structural schematic diagram of the turning tool in the embodiment of the present application;

[0036] Figure 3 It is a schematic diagram of the turning tool replacing the tool in the embodiment of the present application;

[0037] Explanation of reference signs:

[0038] 1, tool seat body; 11, first fixed top screw; 12, first fixed through hole; 13, turning tool through hole; 14, second fixed through hole; 15, second fixed top screw; 16, connecting hole; 17, first end face; 18, first wide face;

[0039] 2, positioning block; 21, third fixed through hole; 22, third fixed top screw; 23, third end face; 24, fourth end face; 25, second wide face;

[0040] 3, base; 31, second fixed hole; 32, first fixed hole; 33, first outer face; 34, second outer face; 35, third wide face;

[0041] 4, movable block; 41, connecting screw; 42, connecting through hole; 43, fifth end face; 44, sixth end face;

[0042] 5, turning tool; 51, stepped part; 52, ordinary part; 53, first tool; 54, second tool. DETAILED DESCRIPTION

[0043] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it is to be understood that the present disclosure can be embodied in various forms without being limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be thoroughly and completely understood, and will fully convey the scope of the present disclosure to those skilled in the art.

[0044] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second", "third" are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0045] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] In order to solve the problems existing in the prior art, the present application provides a tool changing jig, a tool changing jig suitable for a turning tool 5 with a stepped structure of a tool shank; the structure of the turning tool 5 is shown in Figure 2 The tool changing jig includes a tool shank, a stepped portion 51 of the protruding portion of the tool shank, a normal portion 52 of the non-protruding portion of the tool shank, a first tool 53 mounted on one side of the normal portion 52, and a second tool 54 mounted on one side of the stepped portion 51. The stepped portion 51 is the large diameter section of the tool shank, and the normal portion 52 is the small diameter section of the tool shank.

[0047] The structure of the tool changing jig is shown in Figure 1The tool holder body 1 is fixedly arranged on the base 3, the tool holder body 1 comprises a vertical part and a horizontal part, the movable block 4 is movably connected to the vertical part, and the positioning block 2 is arranged at one end of the base 3 away from the horizontal part; the horizontal part is provided with a turning tool through hole 13 for inserting a small diameter section of a tool shank, after the small diameter section is inserted into the turning tool through hole 13, a first end face 17 of the horizontal part close to the vertical part abuts against a step face of a step structure; the positioning block 2 is used for positioning an extension length of a first tool 53 installed on the small diameter section; after the movable block 4 is fixed to the vertical part, the movable block 4 is used for positioning a length of a second tool 54 installed on a large diameter section.

[0048] In the embodiment, the movable block 4 gives way when not fixed to the horizontal part, the ordinary part 52 of the tool shank is inserted into the turning tool through hole 13 of the horizontal part, the step part 51 of the tool shank contacts the horizontal part, the first tool 53 is in contact with the positioning block 2, and the extension length of the first tool 53 meets the requirements; after the movable block 4 is fixed to the horizontal part, the second tool 54 is in contact with the movable block 4, and the extension length of the second tool 54 meets the requirements. Further, the embodiment does not need to determine the extension lengths of the first tool 53 and the second tool 54 in an artificial manner, the operation time for replacing the tools is reduced, and the efficiency is improved; meanwhile, the problem of hand injury of workers is avoided.

[0049] In the embodiment, the distance from the first end face 17 to the positioning block 2 is equal to the length of the small diameter section of the tool shank and the extension length of the first tool 53; after the movable block 4 is fixed to the vertical part, the distance from the first end face 17 to the movable block 4 is equal to the length of the large diameter section of the tool shank and the extension length of the second tool 54. Specifically, the positioning block 2 comprises a third end face 23 and a fourth end face 24; the distance from the first end face 17 to the third end face 23 of the positioning block 2 is equal to the length of the ordinary part of the tool shank and the extension length of the first tool 53; the movable block 4 comprises a fifth end face 43 and a sixth end face, and after the movable block 4 is fixed to the vertical part, the distance from the first end face 17 to the fifth end face of the movable block 4 is equal to the length of the step part of the tool shank and the extension length of the second tool 54.

[0050] In the embodiment, the movable block 4 comprises a connecting through hole 42 and a connecting wire 41 matched with the connecting through hole 42; the vertical part of the tool holder body 1 comprises a connecting hole 16 matched with the connecting wire 41; one end of the connecting wire 41 passes through the connecting through hole 42 and is detachably connected with the connecting hole 16, so that the movable block 4 is detachably arranged on the vertical part of the tool holder body 1.

[0051] The process of dismounting the movable block 4 from the tool holder body 1: the connecting wire 41 is taken out of the connecting hole 16, and the connecting wire 41 takes the movable block 4 off the vertical part of the tool holder body 1; the connecting wire 41 is passed through the connecting through hole 42, and the connecting wire 41 is fixed to the connecting hole 16, and the connecting wire 41 takes the movable block 4 to be fixed to the vertical part of the tool holder body 1.

[0052] In this embodiment, the movable block 4 comprises the connecting through hole 42 and the connecting wire 41 matched with the connecting through hole 42; the vertical part of the tool holder body 1 comprises the connecting hole 16 matched with the connecting wire 41; the connecting through hole 42 is provided with internal threads, the connecting wire 41 is provided with external threads, the connecting wire 41 is fixed through the connecting through hole 42 and the connecting hole 16, and the movable block 4 is arranged on the horizontal part of the tool holder body 1 to rotate under the cooperation of the internal threads of the connecting through hole 42 and the external threads of the connecting wire 41. For example, when the movable block 4 is viewed in the front view, the movable block 4 is rotated counterclockwise relative to the connecting wire 41 through the connecting through hole 42, so that the movable block 4 is rotated counterclockwise relative to the horizontal part of the tool holder body 1 to make the movable block 4 give way; after the movable block 4 gives way, the movable block 4 is rotated clockwise relative to the connecting wire 41 through the connecting through hole 42, so that the movable block 4 is rotated clockwise relative to the horizontal part of the tool holder body 1 to make the movable block 4 return to the original position.

[0053] In this embodiment, the tool holder body 1 further comprises at least one first fixing through hole 12 and a first fixing top wire 11 matched with the first fixing through hole 12; one end of the first fixing top wire 11 passes through the first fixing through hole 12 and contacts the turning tool to fix the turning tool. For example, the tool holder body 1 further comprises two first fixing through holes 12 and two first fixing top wires 11 matched with the two first fixing through holes 12; the turning tool is inserted into the horizontal part of the tool holder body 1, one end of the two first fixing top wires 11 passes through the two first fixing through holes 12 and contacts the turning tool to fix the turning tool.

[0054] In this embodiment, the tool holder body 1 comprises at least one second fixing through hole 14 and a second fixing top wire 15 matched with the second fixing through hole 14; the base 3 comprises a first fixing hole 32 matched with the second fixing top wire 15; one end of the second fixing top wire 15 passes through the second fixing through hole 14 and is fixedly connected with the first fixing hole 32 of the base 3, so that the tool holder body 1 is fixedly arranged on the base 3. For example, the tool holder body 1 comprises two second fixing through holes 14 and two second fixing top wires 15 matched with the two second fixing through holes 14; the base 3 comprises two first fixing holes 32 matched with the two second fixing top wires 15; one end of the two second fixing top wires 15 passes through the two second fixing through holes 14 and is fixedly connected with the two first fixing holes 32 of the base 3, so that the tool holder body 1 is fixedly arranged on the base 3.

[0055] In the embodiment, the positioning block 2 comprises at least one third fixed through hole 21 and a third fixed top screw 22 matched with the third fixed through hole 21; the base 3 comprises a second fixed hole 31 matched with the third fixed top screw 22; one end of the third fixed top screw 22 passes through the third fixed through hole 21 and is fixedly connected with the second fixed hole 31, so that the positioning block 2 is fixedly arranged at one end of the base 3. For example, the positioning block 2 comprises two third fixed through holes 21 and two third fixed top screws 22 matched with the two third fixed through holes 21; the base 3 comprises two second fixed holes 31 matched with the two third fixed top screws 22; one end of the two third fixed top screws 22 passes through the two third fixed through holes 21 and is fixedly connected with the two second fixed holes 31, so that the positioning block 2 is fixedly arranged at one end of the base 3.

[0056] In the embodiment, the shape of the tool holder body 1 is L-shaped, and of course the tool holder body 1 can also be other shapes, and the shape of the tool holder body 1 can be determined according to actual conditions. The shape of the turning tool through hole 13 of the horizontal part of the tool holder body 1 is matched with the shape of the ordinary part 52 of the tool shank; for example, the ordinary part 52 of the tool shank is a quadrangular prism, and the shape of the turning tool through hole 13 of the horizontal part of the tool holder body 1 is a quadrangular prism; the turning tool can be better fixed on the tool holder body 1. The shape of the turning tool through hole 13 of the horizontal part of the tool holder body 1 is determined according to actual conditions.

[0057] In the embodiment, the width of the base 3 and the width of the horizontal part of the tool holder body 1 are the same. Specifically, the tool holder body 1 comprises two first wide faces 18, the base 3 comprises two third wide faces 35, and the two first wide faces 18 of the tool holder body 1 and the two third wide faces of the base 3 are aligned, so that the installation position of the tool holder body 1 on the base 3 is determined, so that the tool holder body 1 is quickly installed on the base 3.

[0058] In the embodiment, the width of the positioning block 2 and the width of the base 3 are the same. Specifically, the positioning block 2 comprises two second wide faces 25, and the two second wide faces 25 of the positioning block 2 and the two third wide faces of the base 3 are aligned, so that the installation position of the positioning block 2 on the base 3 is determined, so that the positioning block 2 is quickly installed on the base 3.

[0059] In the embodiment, the length of the base 3 is equal to the distance from the locating block 2 to the active block 4 and the thickness of the locating block 2 and the active block 4 after the active block 4 is fixed on the vertical part. Specifically, the base 3 comprises a first outer surface 33 and a second outer surface 34; the fourth end surface of the locating block 2 is aligned with the second outer surface 34 of the base 3; the sixth end surface 44 of the active block 4 is aligned with the first outer surface 33 of the base 3 after the active block 4 is fixed on the vertical part; the distance from the third end surface 23 of the locating block 2 to the sixth end surface of the active block 4 and the distance from the third end surface 23 of the locating block 2 to the fourth end surface 24 and the distance from the fifth end surface to the sixth end surface of the active block 4 are equal to the length of the base 3. The sixth end surface of the active block 4 is aligned with the first outer surface 33 of the base 3, which determines the fixed position of the active block 4 so as to quickly fix the active block 4 on the vertical part.

[0060] The operation process of replacing the turning tool in the embodiment is as follows: the turning tool 5 is taken out from the machining equipment, the first tool 53 and the second tool 54 are taken off from the turning tool 5, and the new first tool 53 and the new second tool 54 are installed on the turning tool 5. The active block 4 is separated from the vertical part. The common part 52 of the turning tool 5 is inserted into the horizontal part of the tool holder body 1, and the stepped part of the turning tool 5 is in contact with the first end surface 17 of the horizontal part of the tool holder body 1. After the active block 4 is fixed on the vertical part, the turning tool 5 is fixed. After the turning tool 5 is fixed, the cutting edge of the first tool 53 is in contact with the third end surface of the locating block 2, and the cutting edge of the second tool 54 is in contact with the sixth end surface 44 of the active block 4. The first tool 53 and the second tool 54 are fixed on the turning tool 5. The active block 4 is separated from the vertical part, the turning tool 5 is unfixed, and the turning tool 5 is taken off from the horizontal part of the tool holder body 1 and installed on the machining equipment, so that the replacement of the first tool 53 and the second tool 54 is completed.

[0061] It should be understood that the particular order or hierarchy of steps in the processes disclosed is an example that can be re-arranged as desired. The particular order or hierarchy of steps in the processes disclosed should not be interpreted as reflecting a preference or requiring a particular order among steps for the purposes of the disclosure. The accompanying method claims present elements of the various steps in a sample order, and are not meant to be limited to the specific order or hierarchy presented.

[0062] In the detailed description above, various features are grouped together in single embodiments for the purpose of streamlining the disclosure. This disclosed approach is not to be interpreted as reflecting a necessity that the claimed subject matter require more features than the claims state. On the contrary, as reflected in the appended claims, the invention is to be understood as encompassing fewer features than those disclosed in the single embodiments. Accordingly, the appended claims are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

[0063] The above description includes examples of one or more embodiments. Of course, not all possible combinations of components or methods described above will be employed to make or use the embodiments nor will all of embodiments described herein are intended to encompass all such changes, modifications and variations falling within the scope of the appended claims. Further, the term "comprising" as used in the specification and in the claims, is equivalent to the term "including" as the term "including" is interpreted in the context of the specification and claims. Furthermore, any term "or" as used in the specification and in the claims is intended to mean "non-exclusive or".

Claims

1. A tool changer comprising: The tool holder is suitable for a tool holder with a stepped structure, and the tool changing jig comprises a base, a tool seat body, a positioning block and a movable block. The tool seat body is fixedly arranged on the base, and the tool seat body comprises a vertical part and a horizontal part, the movable block is movably connected to the vertical part, and the positioning block is arranged at one end of the base away from the horizontal part. The horizontal part is provided with a tool passing hole for inserting a small diameter section of the tool holder, and after the small diameter section is inserted into the tool passing hole, a first end face of the horizontal part close to the vertical part abuts against a stepped face of the stepped structure. The positioning block is used for positioning the extension length of the first tool installed on the small diameter section. The movable block is used for positioning the length of the second tool installed on the large diameter section after being fixed to the vertical part.

2. The tool changer as claimed in claim 1, characterized in that The movable block comprises a connecting through hole and a connecting wire matched with the connecting through hole, and the vertical part comprises a connecting hole matched with the connecting wire. One end of the connecting wire passes through the connecting through hole and is detachably connected to the connecting hole, so that the movable block is detachably arranged on the vertical part.

3. The tool changer as claimed in claim 1, wherein The connecting through hole is provided with an internal thread, the connecting wire is provided with an external thread, and the connecting wire is fixed to the connecting hole by passing through the connecting through hole. The internal thread of the connecting through hole and the external thread of the connecting wire are matched, so that the movable block is rotatably arranged on the horizontal part. The distance from the first end face to the positioning block is equal to the length of the small diameter section of the tool holder and the extension length of the first tool.

4. The tool changer as claimed in claim 1, wherein After the movable block is fixed to the vertical part, the distance from the first end face to the movable block is equal to the length of the large diameter section of the tool holder and the extension length of the second tool. The tool seat body further comprises at least one first fixing through hole and a first fixing top wire matched with the first fixing through hole, one end of the first fixing top wire passes through the first fixing through hole and is in contact with the tool, so as to fix the tool.

5. The tool changer according to any one of claims 1 to 3, wherein The tool seat body comprises at least one second fixing through hole and a second fixing top wire matched with the second fixing through hole, and the base comprises a first fixing hole matched with the second fixing top wire.

6. The tool changer as claimed in claim 1, wherein One end of the second fixing top wire passes through the second fixing through hole and is fixedly connected to the first fixing hole, so that the tool seat body is fixedly arranged on the base. The positioning block comprises at least one third fixing through hole and a third fixing top wire matched with the third fixing through hole, and the base comprises a second fixing hole matched with the third fixing top wire.

7. The tool changer as claimed in claim 6, characterized in that One end of the third fixing top wire passes through the third fixing through hole and is fixedly connected to the second fixing hole, so that the positioning block is fixedly arranged at one end of the base. The tool seat body is L-shaped, and the shape of the tool passing hole is matched with the shape of the general part of the tool holder.

8. The tool changer as claimed in claim 7, characterized in that The width of the base is the same as the width of the horizontal part.

9. The tool changer as claimed in claim 8, characterized in that The width of the positioning block is the same as the width of the base.

10. The tool changer as claimed in claim 9, characterized in that After the movable block is fixed to the vertical part, the length of the base is equal to the distance from the positioning block to the movable block and the sum of the thicknesses of the positioning block and the movable block.

11. The tool changer as claimed in claim 10, characterized in that ​

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