Positioning mechanism for tool setting instrument

Abstract

The utility model relates to a positioning mechanism for a cutter setting instrument, which comprises a positioning seat and a packing assembly, the positioning seat comprises a containing groove arranged along the axial direction and a plurality of mounting holes, the packing assembly comprises a base, two packing blocks and an operating piece, the base is fixed in the containing groove of the positioning seat and is provided with an internal space and two limiting grooves, and the operating piece is arranged in the containing groove of the positioning seat. The two packing blocks are limited by the two limiting grooves respectively, the operating piece is screwed with the two packing blocks and can rotate relative to the base to drive the two packing blocks to be far away from each other and clamp the cutter bar together with the groove wall of the containing groove, and therefore the positioning seat can be fixed to the mounting groove of the cutter setting instrument through the mounting hole, precision machining can be conducted on the positioning seat, and machining precision is improved. And the cutter bar is clamped by the packing block and the groove wall of the accommodating groove, so that the cutter and the cutter bar can be stably arranged on the cutter setting instrument, the shaking in the measurement process is reduced, and the measurement accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the setting and correction of a tool rod and a tool, in particular to a positioning mechanism for a tool setting instrument. Background Art

[0002] The tool setting instrument is used to measure the runout, length and other related dimensions of the tool to ensure the accuracy of the tool during processing. When using it, first install a positioning seat into the mounting slot of the tool setting instrument, and then install the tool arbor with the assembled tool onto the positioning seat to perform relevant measurements of the tool.

[0003] An existing positioning seat used in a tool setting instrument is installed by a quick plug-in method. The positioning seat is first inserted into the installation slot of the tool setting instrument, and the positioning seat includes a tapered groove for inserting a tool bar into the groove, and the vacuum adsorption mechanism on the tool setting instrument is used to assist in fixing, thereby completing the installation. However, due to the quick plug-in method, a margin must be left between the positioning seat and the installation slot of the tool setting instrument, and between the groove of the positioning seat and the tool bar, so that the accuracy of the cooperation between them is relatively low. When the measuring mechanism of the tool setting instrument touches the tool on the tool bar, the tool bar may shake relative to the installation slot, resulting in poor measurement accuracy. Utility Model Content

[0004] In order to solve the problems of the existing positioning seat used in the tool setting instrument, the purpose of the utility model is to provide a positioning mechanism for the tool setting instrument that can stably install the tool rod to the tool setting instrument and reduce the shaking of the tool rod during measurement.

[0005] The utility model solves the technical problem and proposes a positioning mechanism for a tool setting instrument, which comprises:

[0006] A positioning seat having an axial direction and comprising

[0007] a receiving groove, wherein the notch of the receiving groove is arranged toward the axis direction; and

[0008] A plurality of mounting holes, the plurality of mounting holes being arranged through along the axis direction; and

[0009] A tightening assembly comprising

[0010] A base, which is fixed in the receiving groove of the positioning seat and is spaced from the groove wall of the receiving groove, and the base is provided with an internal space and two limiting grooves, the two limiting grooves are arranged opposite to each other in a radial direction of the base and communicate with the internal space;

[0011] two clamping blocks, the two clamping blocks are respectively accommodated in the two limiting grooves; and

[0012] An operating member is arranged in the inner space of the base and is screwed with the two clamping blocks. The operating member can rotate relative to the base, thereby driving the two clamping blocks to move away from each other and extend out of the limiting groove, and can clamp a knife rod together with the groove wall of the containing groove.

[0013] The improved effect that can be obtained by the technical means of the present invention lies in: the positioning mechanism of the present invention, the positioning seat is fixed to the mounting groove of the tool setting instrument through the mounting hole on the positioning flange, the positioning seat can be precisely processed corresponding to the contour of the mounting groove, and the shaking of the positioning seat relative to the mounting groove is reduced, and then the tool rod to be measured is fixed by a clamping component fixed in the receiving groove of the positioning seat, whereby the tool rod and the tool assembled thereon can be stably installed on the tool setting instrument, and when the tool setting instrument is measuring, the shaking can be greatly reduced, thereby increasing the accuracy of the measurement result of the tool setting instrument and improving the accuracy of subsequent processing using the tool rod and the tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional appearance diagram of a preferred embodiment of the utility model.

[0015] Figure 2 This is an exploded view of the components of a preferred embodiment of the present invention.

[0016] Figure 3 This is a three-dimensional appearance diagram of a clamping assembly according to a preferred embodiment of the present invention.

[0017] Figure 4 It is a partially sectional exploded view of the components of the clamping assembly of the preferred embodiment of the utility model.

[0018] Figure 5 This is a usage status diagram of a preferred embodiment of the utility model.

[0019] Figure 6 and Figure 7 This is a side cross-sectional operation diagram of a preferred embodiment of the utility model.

[0020] Figure 8 and Fig. 9 This is a top view of the operation of a preferred embodiment of the utility model. DETAILED DESCRIPTION

[0021] In order to understand the technical features and practical effects of the utility model in detail and to realize the utility model according to the content of the new model, the preferred embodiment shown in the figure is further described in detail as follows:

[0022] like Figure 1As shown, a preferred embodiment of the positioning mechanism of the utility model for a tool setting instrument comprises a positioning seat 10 and a clamping assembly 20. The positioning seat 10 is used to be installed on a tool setting instrument, and the clamping assembly 20 is installed in the positioning seat 10 to fix the tool rod equipped with the tool to the positioning seat 10.

[0023] like Figure 1 and Figure 2 As shown, the positioning seat 10 has an axial direction and specifically includes a main body 11 and a positioning flange 12. The main body 11 is arranged along the axial direction of the positioning seat 10 and is provided with a groove 111, so that the clamping assembly 20 can be fixed inside the groove 111. The positioning flange 12 is arranged around the main body 11 to fix the positioning seat 10 to an installation groove of the tool setting instrument.

[0024] Among them, the positioning flange 12 includes a plurality of mounting holes 121, and the plurality of mounting holes 121 are arranged through the positioning flange 12 along the axial direction of the positioning seat 10, wherein the mounting holes 121 are through holes for bolts to pass through and be screwed to the aforementioned mounting grooves. In other embodiments, the mounting holes 121 can also be screw holes, which are further screwed with bolts. As long as the positioning seat 10 can be fixed in the mounting groove of the tool setting instrument through the mounting holes 121, the form of the mounting holes 121 is not limited to the above.

[0025] The positioning seat 10 is fixed to the mounting slot of the tool setting instrument by means of screw locks through the plurality of mounting holes 121. Compared with the quick plug-in method, there is no need to reserve a margin. The bottom of the main body 11 and the positioning flange 12 of the positioning seat 10 can be precisely processed according to the contour of the mounting slot of the tool setting instrument, so that the positioning seat 10 is not easy to shake relative to the mounting slot of the tool setting instrument.

[0026] like Figures 3 to 7 As shown, the clamping assembly 20 includes a base 21, two clamping blocks 22 and an operating member 23. The base 21 is fixed in the groove 111 of the positioning seat 10 and is spaced from the groove wall of the groove 111. The base 21 includes an internal space 211 and two limiting grooves 212. The two limiting grooves 212 are relatively arranged in a radial direction of the base 21, respectively located on both sides of the internal space 211 and connected to the internal space 211 and the outside of the base 21. The two clamping blocks 22 are respectively arranged in the two limiting grooves 212, wherein the two limiting grooves 212 are non-circular structures, so that the two clamping blocks 22 can be limited so that the two clamping blocks 22 can only move linearly. The operating member 23 is disposed in the inner space 211 of the base 21 and is screwed with the two clamping blocks 22 . The operating member 23 can rotate relative to the base 21 to make the two clamping blocks 22 move linearly synchronously to move away from or closer to each other.

[0027] The base 21 is fixed in the receiving groove 111 by screw locking. Specifically, Figure 6 As shown, the positioning seat 10 is provided with a first fixing hole 13, which extends from the bottom of the groove 111 and is communicated with the interior of the groove 111, and the base 21 is provided with a second fixing hole 213, which extends from the bottom end of the base 21 and is communicated with the first fixing hole 13. The positioning mechanism also includes a fixing member 30, which includes a first screw portion 31 and a second screw portion 32 connected to each other. The first screw portion 31 and the second screw portion 32 are respectively screwed into the first fixing hole 13 and the second fixing hole 213, thereby fixing the clamping assembly 20 in the groove 111.

[0028] In other embodiments, only one of the first fixing hole 13 and the second fixing hole 213 may be used, and the other may be replaced by a structure in which the fixing member 30 abuts against the positioning seat 10 or the base 21, and the same fixing effect can be achieved; alternatively, holes may be set through the side of the groove 111, that is, the groove wall of the groove 111, and bolts may be screwed into the aforementioned holes and the base 21 from the outside of the groove 111 for fixing; alternatively, other conventional fixing means may be used to fix the base 21 in the groove 111, and are not limited to the above.

[0029] The positioning mechanism for the tool setting instrument of the present invention is installed in a mounting slot of the tool setting instrument when in use, and the positioning seat 10 of the positioning mechanism can be fixed to the mounting slot by screwing through the plurality of mounting holes 121 on the positioning flange 12 of the positioning seat 10. Figure 5 , Figure 6 and Figure 8 As shown, a tool rod 91 equipped with a tool 92 is then installed on the positioning mechanism, so as to be set on the mounting groove of the tool setting instrument to measure the tool 92, wherein the tool rod 91 includes a spindle slot 911, and the spindle slot 911 can be fixed to a spindle of a machine tool during processing, and when installed on the positioning mechanism, the spindle slot 911 can be inserted into the receiving groove 111 and placed on the clamping assembly 20.

[0030] like Figure 7 and Fig. 9As shown, when the tool rod 91 is inserted into the groove 111 and placed on the clamping assembly 20, the user operates to rotate the operating member 23 relative to the base 21, so that the limiting grooves of the two clamping blocks 22 are synchronously moved linearly along the operating member 23 and away from each other, whereby the two clamping blocks 22 extend out of the two limiting grooves 212 respectively, and clamp the groove wall of the spindle slot 911 together with the groove wall of the groove 111, thereby achieving a clamping effect, and the tool rod 91 is firmly fixed in the groove 111 of the positioning seat 10.

[0031] When the tool rod 91 and the tool 92 to be measured are to be replaced, the operating member 23 is rotated in the opposite direction relative to the base 21, so that the two clamping blocks 22 are synchronously moved linearly along the operating member 23 and approached until they are completely accommodated in the two limit grooves 212. The tool rod 91 and the tool 92 can then be taken out, and the next set of tool rods 91 and tool 92 to be measured can be replaced, and the tool rod 91 is inserted into the receiving groove 111 for clamping again.

[0032] The utility model provides a positioning mechanism for a tool setting instrument, wherein the positioning seat 10 is fixed to the mounting groove of the tool setting instrument through the mounting hole 121 on the positioning flange 12, and the positioning seat 10 can be precisely processed corresponding to the contour of the mounting groove to reduce the shaking of the positioning seat 10 relative to the mounting groove, and then the clamping assembly 20 fixed in the receiving groove 111 of the positioning seat 10 is used to clamp and fix the tool rod 91 with the two clamping blocks 22 and the groove wall of the receiving groove 111, thereby, the tool rod 91 and the tool 92 assembled thereon can be stably installed on the tool setting instrument, and when the tool setting instrument is measuring, the shaking can be greatly reduced, thereby increasing the accuracy of the measurement result of the tool setting instrument and improving the accuracy of subsequent processing using the tool rod 91 and the tool 92.

[0033] Further, if Figure 1 , Figure 5 , Figure 6 and Figure 8 As shown, the positioning seat 10 also includes an operating hole 14, which is penetrated through the groove wall of the receiving groove 111, and each of the clamping blocks 22 is provided with a screw hole 221, and the operating member 23 is screwed into the screw hole 221. Correspondingly, two through holes 912 are penetrated through the spindle slot 911 on which the clamping assembly 20 is sleeved, wherein the operating hole 14 is linearly opposite to a corresponding one of the through holes 912 and a screw hole 221 of one of the clamping blocks 22, so that a tool can be extended from the operating hole 14 into the screw hole 221 and combined with the operating member 23.

[0034] like Figures 6 to 9As shown, through the design of the operating hole 14, after the shank 91 is inserted into the receiving groove 111 and sleeved on the clamping assembly 20, the user can directly use a wrench 80 to penetrate the operating hole 14 and the through hole 912 from the outside of the receiving groove 111, thereby extending into the corresponding screw hole 221, thereby rotating the operating member 23 screwed in the screw hole 221, and the operation is simple and convenient, and the operating member 23 can be operated from the outside of the receiving groove 111 without setting any transmission structure. Among them, the operating member 23 can be provided with hexagonal holes at its opposite ends, and the hexagonal holes are linearly opposite and communicated with the operating hole 14, whereby the wrench 80 can be inserted into the hexagonal holes with a hexagonal wrench, so as to facilitate the rotation of the operating member 23.

[0035] Going further, Figure 4 , Figure 6 and Figure 7 As shown, the base 21 is further provided with an upper operating hole 214, which is located at the top of the base 21 and connects the internal space 211 of the base 21 and the outside of the base 21. The operating member 23 is provided with a through hole 230. The upper operating hole 214, the through hole 230 and the second fixing hole 213 of the base 21 can be linearly opposite and communicated. A wrench can be inserted from the outside of the base 21 through the upper operating hole 214 and the through hole 230 to combine with the fixing member 30 screwed into the second fixing hole 213, so as to rotate the fixing member 30 to tighten or loosen the positioning seat 10 and the base 21.

[0036] Thus, when the positioning mechanism is installed in the mounting groove of the tool setting instrument, the user can first fix the positioning seat 10 and the clamping assembly 20, and then fix them together in the mounting groove of the tool setting instrument, or, the positioning seat 10 can be first fixed to the above-mentioned mounting groove, and then the fixing member 30 and the clamping assembly 20 are sequentially placed in the receiving groove 111 of the positioning seat 10, and a wrench is inserted from the top of the clamping assembly 20 through the above-mentioned upper operating hole 214 and the through hole 230 of the operating member 23 to rotate the fixing member 30, so as to fix the clamping assembly 20 in the receiving groove 111 of the positioning seat 10.

[0037] In addition, after assembly, a wrench can be inserted from the outside to engage with the fixing member 30, and the fixing member 30 can be rotated to adjust the tightness of the screw lock of the positioning seat 10 and the clamping assembly 20, so as to ensure that the clamping assembly 20 can be firmly fixed in the receiving groove 111 of the positioning seat 10. Before inserting the wrench, it is only necessary to ensure that the operating member 23 is rotated to the original position, or rotated to the position where the through hole 230 is linearly opposite to the upper operating hole 214 and the second fixing hole 213, so that the wrench can be inserted to engage with the fixing member 30 and exert its effect.

[0038] Among them, in the preferred embodiment of the utility model, the specific structure of the operating member 23 is as follows Figure 4As shown, the operating member 23 includes a middle portion 231 and two screw portions 232. The two screw portions 232 extend from the middle portion 231 in opposite directions. Figure 7 and Fig. 9 As shown, the middle portion 231 is disposed in the internal space 211 of the base 21 and has a spherical structure, so that it can rotate in the internal space 211. The through hole 230 is penetrated through the spherical structure of the middle portion 231. The two screw rod portions 232 are respectively screwed into the two clamping blocks 22. The two clamping blocks 22 are limited by the two limiting grooves 212. The operating member 23 can be stably disposed in the internal space 211 with the middle portion 231 without falling, and can also rotate in the internal space 211.

[0039] Furthermore, Figure 4 , Figure 6 and Figure 7 As shown, the clamping assembly 20 further includes an end cover 24, which is detachably combined with and sealed on the upper operating hole 214. When it is necessary to rotate the fixing member 30 from the outside through the upper operating hole 214 and the through hole 230, the end cover 24 is removed from the upper operating hole 214 for operation. When it is not necessary to rotate the fixing member 30 from the outside, the end cover 24 can be combined with and sealed on the upper operating hole 214 to prevent external dust and debris from entering the interior of the base 21 through the upper operating hole 214 and affecting the operation of the clamping assembly 20.

[0040] Preferably, if Figure 6 and Figure 7 As shown, the positioning seat 10 also includes a groove 15, which is recessed at the bottom of the groove 111. When the clamping assembly 20 is placed in the groove 111 of the positioning seat 10, the base 21 can be embedded in the groove 15, so that the base 21 and the positioning seat 10 are coaxially arranged to achieve an alignment effect, thereby improving the accuracy of the assembly process.

[0041] More preferably, if Figure 3 , Figure 6 and Figure 7 As shown, the base 21 of the clamping assembly 20 is provided with two protrusions 215 on the outer periphery. When the clamping assembly 20 is placed in the receiving groove 111, if the base 21 is deflected, the two protrusions 215 of the base 21 will first abut against the groove wall of the receiving groove 111, which can play a warning role and prevent the base 21 from being obliquely stuck in the receiving groove 111. When the base 21 is inserted into the groove 15 along the axial direction, the two protrusions 215 abut against the groove bottom of the receiving groove 111, which can confirm that the base 21 is not inserted into the groove 15 obliquely, and the aforementioned alignment effect is accurately achieved.

[0042] In other embodiments, the base 21 may also be provided with more than three protrusions 215 on the outer circumference, or a ring-shaped protrusion, both of which can achieve the warning effect as mentioned above, and can also abut against the bottom of the groove 111 as mentioned above to assist in confirming the alignment effect of the base 21 embedded in the groove 15. The form of the protrusion 215 is not limited by the preferred embodiment of the utility model.

[0043] In addition, if Figure 4 As shown, in a preferred embodiment of the present invention, each of the clamping blocks 22 has a clamping surface 222, and the clamping surface 222 is arc-shaped, and the receiving groove 111 of the positioning seat 10 has an annular structure to correspond to the annular groove wall of the main shaft clamping groove 911 of the tool rod 91, thereby, as shown in FIG. Fig. 9 As shown, during clamping, the clamping block 22 can closely adhere to the inner side of the groove wall of the spindle slot 911 with the clamping surface 222, and the outer side of the groove wall of the spindle slot 911 closely adheres to the inner side of the groove wall of the receiving groove 111. Compared with other external designs, the arc-shaped clamping surface 222 can achieve a more stable clamping effect.

[0044] In addition, in a preferred embodiment of the present invention, each of the clamping blocks 22 also has an arc-shaped structure on the other side relative to the clamping surface 222, and each of the limiting grooves 212 is adjacent to an inner side of the internal space 211 and is correspondingly arc-shaped. Whereby, in the process of rotating the operating member 23 to accommodate the two clamping blocks 22 in the two limiting grooves 212 respectively, the arc-shaped structure of the clamping block 22 can abut against the inner side of the corresponding limiting groove 212, thereby generating a guiding effect, so that the two clamping blocks 22 move along the inner side of the corresponding limiting groove 212, so that they can be completely aligned in a radial direction of the base 21.

[0045] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any person with ordinary knowledge in the technical field can make equivalent embodiments by partial changes or modifications to the technical content disclosed in the utility model without departing from the scope of the technical solution of the utility model, and they still fall within the scope of the technical solution of the utility model without departing from the technical solution of the utility model.

Claims

1. A positioning mechanism for a tool setting instrument, characterized in that: Include: A positioning seat having an axial direction and comprising a receiving groove, wherein the notch of the receiving groove is arranged toward the axis direction; and A plurality of mounting holes, the plurality of mounting holes being arranged through along the axis direction; and A tightening assembly comprising A base, which is fixed in the receiving groove of the positioning seat and is spaced from the groove wall of the receiving groove, and the base is provided with an internal space and two limiting grooves, the two limiting grooves are arranged opposite to each other in a radial direction of the base and communicate with the internal space; two clamping blocks, the two clamping blocks are respectively accommodated in the two limiting grooves; and An operating member is arranged in the inner space of the base and is screwed with the two clamping blocks. The operating member can rotate relative to the base, thereby driving the two clamping blocks to move away from each other and extend out of the limiting groove, and can clamp a knife rod together with the groove wall of the containing groove.

2. The positioning mechanism for a tool setting instrument according to claim 1, characterized in that: Each of the clamping blocks is provided with a screw hole, and the two ends of the operating member are respectively screwed into the screw holes of the two clamping blocks. The positioning seat includes an operating hole, which is penetrated through the groove wall of the receiving groove and is linearly opposite to the screw hole of one of the clamping blocks, so that a tool can be extended from the operating hole into the screw hole to be combined with the operating member.

3. The positioning mechanism for a tool setting instrument according to claim 1 or 2, characterized in that: The positioning seat is provided with a first fixing hole, which is connected to the interior of the containing groove. The base is provided with a second fixing hole, which is linearly opposite to the first fixing hole. The positioning mechanism includes a fixing member, which is screwed into the first fixing hole and the second fixing hole.

4. The positioning mechanism for a tool setting instrument according to claim 3, characterized in that: The base is provided with an upper operating hole, which is located at the top of the base and connects the internal space and the outside of the base. The operating member is provided with a through hole. The upper operating hole, the through hole and the second fixing hole of the base can be linearly opposite and connected.

5. The positioning mechanism for a tool setting instrument according to claim 4, characterized in that: The clamping assembly is provided with an end cover which is detachably combined with and sealed to the upper operating hole.

6. The positioning mechanism for a tool setting instrument according to claim 1 or 2, characterized in that: The positioning seat comprises a groove, which is recessed at the bottom of the receiving groove. The base of the clamping assembly is embedded in the groove, so that the base and the positioning seat are coaxially arranged.

7. The positioning mechanism for a tool setting instrument according to claim 6, characterized in that: The base of the clamping assembly is provided with two opposite convex parts on the outer periphery. When the base is axially inserted into the groove, the two convex parts abut against the bottom of the groove.

8. The positioning mechanism for a tool setting instrument according to claim 1 or 2, characterized in that: Each of the clamping blocks is provided with a clamping surface which is in an arc shape. The clamping block can clamp the knife rod together with the clamping surface and the groove wall of the containing groove.

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