TWM599703U - Adjustable baffle for machine tool - Google Patents

Abstract

This creation relates to an adjustable stopper for a machine tool for use in a machine tool chuck. The machine tool chuck is provided with a perforation along an axial direction, and one end of the machine tool chuck is provided along the axial direction. Around the plurality of clamping jaws in the axial direction, the adjustable material blocking device for the machine tool includes a sleeve, a screw and a material blocking structure. The sleeve penetrates the through hole and includes a fixing portion for assembling on the hole edge of the through hole adjacent to one end of the clamping jaws. The screw is screwed to the sleeve along the axial direction, and one end of the screw is provided with a set of connecting parts. The blocking structure is slidably arranged on the perforation and can be rotatably assembled to the assembling part.

Description

Adjustable stopper for machine tool

This creation is about an adjustable stopper for machine tools.

The conventional lathe fixture is used to clamp a workpiece, and when the lathe fixture is used to drive the workpiece to rotate at high speed, the tool piece contacts the workpiece to cut the workpiece. The conventional lathe fixture has a hole connected to the inside of the lathe fixture along the axis of rotation , In order to prevent the workpiece from extending into the lathe fixture and the cutting fluid flowing into the lathe fixture during the pin cutting operation, a plunger is provided in the hole. The plunger has the function of preventing the cutting fluid from flowing into the lathe fixture. The function of resisting turning workpiece.

However, the conventional plunger cannot move in the hole inside the fixture, so the position of the plunger in the hole cannot be changed with the length of the workpiece to be turned. Therefore, when the workpiece with a longer pin length is to be turned, the column must be moved. The plug is removed so that the workpiece can be inserted into the hole for cutting, and this will cause the cutting fluid to flow into the inside of the lathe fixture, which has shortcomings that need to be improved.

Therefore, it is necessary to provide a novel and progressive adjustable block device for machine tools to solve the above-mentioned problems.

The main purpose of this creation is to provide an adjustable stopper device for machine tools, which can not only prevent the pin cutting fluid from flowing into the inside of the machine tool chuck, but also the stop mechanism can move through the perforation of the machine tool chuck. Adjust the movement of the stopper mechanism to effectively resist workpieces of different lengths.

In order to achieve the above-mentioned purpose, this creation provides an adjustable stopper for a machine tool for use in a machine tool chuck. The machine tool chuck is provided with a perforation along an axial direction, and the machine tool chuck is along the axis A plurality of clamping jaws surrounding the axial direction are arranged at one end of the direction, and the adjustable material blocking device for the machine tool includes a sleeve, a screw and a material blocking structure. The sleeve penetrates the through hole and includes a fixing portion for assembling on the hole edge of the through hole adjacent to one end of the clamping jaws. The screw is screwed to the sleeve along the axial direction, and one end of the screw is provided with a set of connecting parts. The blocking structure is slidably arranged on the perforation and can be rotatably assembled to the assembling part.

The following examples are only used to illustrate the possible implementation of this creation, but it is not intended to limit the scope of the creation to be protected, and it is first stated.

Please refer to Figures 1 to 7, which show a preferred embodiment of the invention. The adjustable stopper for the machine tool of this invention is used for a machine tool chuck 9 which is along an axial direction 91 A perforation 92 is penetrated, and the machine tool chuck 9 is provided with a plurality of clamping jaws 93 surrounding the axial direction 91 along one end of the axial direction 91, and the clamping jaws 93 are used to clamp a workpiece to be processed. The adjustable stopper device used includes a sleeve 1, a screw 2 and a stopper structure 3.

The sleeve 1 passes through the through hole 92 and includes a fixing portion 11 for assembling to the hole edge of the through hole 92 adjacent to one end of the clamping jaws 93.

The screw 2 is screwed to the sleeve 1 along the axial direction 91, and one end of the screw 2 is provided with a set of connecting portions 21.

The blocking structure 3 is slidably disposed on the perforation 92 and is rotatably assembled to the connecting portion 21. Therefore, when the screw 2 is screwed relative to the sleeve 1, the screw 2 will move relative to the sleeve 1 along the axial direction 91 to drive the stopper structure 3 to move, whereby the stopper structure 3 can move Adjust the position of the stopper structure 3 in the perforation 92 according to the actual length of the workpiece, the workpiece can extend into the perforation 92 and the stopper structure 3 can abut against the workpiece, and can prevent the cutting liquid It flows into the inside of the machine tool chuck 9 and is damaged. And since the stopper structure 3 and the screw 2 can rotate relatively, the stopper structure 3 will not rotate relative to the sleeve 1 but only slides, so the stopper structure 3 is relatively stable when sliding without causing frustration , The relative position of the blocking structure 3 and the sleeve 1 can be adjusted more precisely, so that the machining precision of the workpiece can be higher. Preferably, the outer peripheral wall of the stop structure 3 is provided with a first washer 31, which is sandwiched between the stop structure 3 and the hole wall of the perforation 92, which not only ensures that the cutting liquid will not Flowing into the blocking structure 3, and the friction between the first gasket 31 and the blocking structure 3 and the hole wall of the through hole 92 can prevent the blocking structure 3 from rotating relative to the sleeve 1.

The blocking structure 3 includes an abutting piece 32 and a connecting piece 33. The abutting piece 32 and the connecting piece 33 are made of different materials. The abutting piece 32 is fixed to the connecting piece 33 on a side away from the screw 2 , For pressing against the workpiece, the connecting piece 33 is rotatably assembled to the connecting portion 21. In this embodiment, the connecting piece 33 and the pressing piece 32 are locked by a plurality of locking members 35, and the other In the embodiment, it may also be other fixing methods such as snapping or bonding. In this embodiment, the abutting piece 32 is a metal piece, the connecting piece 33 is a plastic-steel piece, the abutting piece 32 has better hardness for pressing against the feeding piece, and the connecting piece 33 can save the retaining structure 3. The cost of materials and avoid rust. In addition, the outer peripheral wall of the abutting member 32 is provided with a first ring groove 321, and the first gasket 31 is sleeved in the first ring groove 321. In other embodiments, it is not necessary for the first recess to be provided on the connecting member 33.

Preferably, the connecting member 33 is provided with a set of connecting holes 331, the set of connecting holes 331 accommodates a bearing 34, and the connecting portion 21 is inserted into the bearing 34 so that the connecting portion 21 can be smoothly Relative to the connecting member 33 rotates. Furthermore, one end of the hole edge of the group of connecting holes 331 away from the abutting member 32 is protruded with a retaining edge 332, the retaining edge 332 is blocked by the bearing 34 along the axial direction 91, and the screw 2 passes through the Blocking edge 332. In this embodiment, the assembling portion 21 is a protruding post provided at one end of the screw 2 along the axial direction 91. The protruding post is cylindrical to match the shape of the inner ring 341 of the bearing 34. In addition, the assembly One end of the connecting portion 21 facing the fixing portion 11 is screwed with a locking member 22, and the head of the screw 22 abuts against the end surface of the inner ring 341 along the axial direction 91 to ensure that the connecting portion 21 and the inner ring 341 Same move.

In detail, the bearing 34 includes an inner ring 341 and an outer ring 342 that can rotate relative to each other. The outer ring 342 is clamped between the abutting member 32 and the retaining edge 332, and the assembly portion 21 is tightly fitted. The ground is inserted into the inner ring 341 so that the outer ring 342 is in the same hole with the abutting member 32 and the connecting member 33, and the inner ring 341 moves simultaneously with the assembly portion 21, the screw 2 can be smoothly Rotate with the blocking structure 3.

In addition, the outer peripheral wall of the sleeve 1 is provided with a second ring groove 12, and the second ring groove 12 is sleeved with a second washer 13 which slidably abuts against the wall of the through hole 92 , In order to prevent the pin-cutting fluid from flowing into the machine tool chuck 9 from between the sleeve 1 and the perforation 92.

In this embodiment, the sleeve 1 is provided with a bottom wall 14 at one end away from the fixed portion 11, the screw 2 is screwed on the bottom wall 14, and the radial dimension of the retaining structure 3 is larger than the radial dimension of the screw 2. . In this embodiment, a first nut 41 and a second nut 42 screwed to the screw 2 are further included. The first nut 41 abuts against a side of the bottom wall 14 away from the fixing portion 11, The second nut 42 abuts against the side of the first nut 41 opposite to the bottom wall 14. When the relative position of the blocking structure 3 and the through hole 92 is adjusted, the first nut can be used 41 abuts against the bottom wall 14 and the second nut 42 abuts against the first nut 41 to lock the screw 2 to prevent the screw 2 from rotating randomly.

One end of the screw rod 2 away from the sleeve 1 is additionally provided with a positioning member 5, the outer peripheral wall of the positioning member 5 is provided with a third ring groove 51, and the third ring groove 51 is sleeved with a third washer 52, The third washer 52 is slidably pressed against the wall of the through hole 92, and the positioning member 5 can support the screw 2 to prevent the screw 2 from bending due to weight at one end of the screw 2 away from the sleeve 1. Also preferably, in this embodiment, a third nut 43 and a fourth nut 44 screwed to the screw 2 are further included. The third nut 43 and the fourth nut 44 are clamped against The opposite sides of the positioning member 5 prevent the positioning member 5 from arbitrarily moving relative to the screw 2.

In summary, the adjustable stopper for the machine tool of this creation, because the stopper structure and the screw can rotate relatively, the stopper structure will not rotate relative to the sleeve but only slide, so the stopper structure is adopted The straight-line linear sliding mode is relatively stable without causing frustration, and the relative position of the retaining structure and the sleeve can be adjusted more precisely, so that the processing precision of the workpiece is higher.

1: sleeve 11: Fixed part 12: Second ring groove 13: second washer 14: bottom wall 2: screw 21: Assembly Department 22: Screw 3: retaining structure 31: first washer 32: top piece 33: connecting piece 34: Palin 35: lock firmware 321: first ring groove 331: Assembly hole 332: Shield 341: Inner Ring 342: Outer Ring 41: The first nut 42: second nut 43: third nut 44: The fourth nut 5: positioning parts 51: Third ring groove 52: third washer 9: Machine tool chuck 91: axial 92: Piercing 93: Gripper

Figure 1 is a perspective view of a preferred embodiment of the creation. Figure 2 is an exploded view of a preferred embodiment of the creation. Figures 3 and 4 are schematic diagrams of the assembly of a preferred embodiment of the creation. Figures 5 and 6 are cross-sectional views of the operation of creating a preferred embodiment. Figure 7 is a partial enlarged view of Figure 5.

1: sleeve

11: Fixed part

2: screw

3: retaining structure

41: The first nut

42: second nut

43: third nut

44: The fourth nut

5: positioning parts

Claims (14)

An adjustable stopper for a machine tool, which is used for a machine tool chuck, the machine tool chuck is provided with a perforation along an axial direction, and one end of the machine tool chuck is provided around the shaft The plural gripper jaws include: A sleeve passing through the perforation and including a fixing portion for assembling on the edge of the perforation adjacent to one end of the clamping jaws; A screw screwed to the sleeve along the axial direction, and one end of the screw is provided with a set of connecting parts; and A blocking structure is slidably arranged in the perforation and can be relatively rotatably assembled to the assembly part. The adjustable stopper device for a machine tool according to claim 1, wherein the outer peripheral wall of the stopper structure is provided with a first washer, and the first washer is clamped between the stopper structure and the hole wall of the perforation . The adjustable stopper device for a machine tool according to claim 2, wherein the stopper structure includes an abutting piece and a connecting piece, the abutting piece and the connecting piece are of different materials, and the abutting piece is fixedly connected On a side of the connecting piece away from the screw, the connecting piece is rotatably assembled to the connecting portion. The adjustable stopper for a machine tool according to claim 3, wherein the outer peripheral wall of the abutting member is provided with a first ring groove, and the first gasket is sleeved on the first ring groove. According to claim 3, the adjustable blocking device for a machine tool, wherein the abutting piece is a metal piece, and the connecting piece is a plastic steel piece. The adjustable stopper for a machine tool according to claim 3, wherein the connecting piece is provided with a set of connecting holes, the set of connecting holes accommodates a bearing, and the connecting part is inserted into the bearing. The adjustable blocking device for a machine tool according to claim 6, wherein the hole edge of the set of connecting holes is far away from the abutting piece with a blocking edge protruding from one end, and the blocking edge stops at the cultivation along the axial direction. Lin, the screw passes through the retaining edge. The adjustable stopper device for a machine tool according to claim 7, wherein the bearing includes an inner ring and an outer ring that can rotate relative to each other, and the outer ring is clamped between the abutment member and the stop edge , The set of connecting parts are inserted in the inner ring tightly. The adjustable blocking device for a machine tool according to any one of claims 1 to 8, wherein the outer peripheral wall of the sleeve is provided with a second ring groove, and the second ring groove is sleeved with a second washer , The second washer slidably presses against the wall of the perforated hole. The adjustable stopper device for a machine tool according to any one of claims 1 to 8, wherein the sleeve is provided with a bottom wall at one end away from the fixed part, the screw is screwed on the bottom wall, and the stopper The radial dimension of the structure is greater than the radial dimension of the screw. The adjustable stopper device for a machine tool according to claim 10, further comprising a first nut and a second nut screwed to the screw, the first nut abuts the bottom wall away from the On one side of the fixing part, the second nut abuts against a side of the first nut opposite to the bottom wall. The adjustable stopper for a machine tool according to any one of claims 1 to 8, wherein the screw is provided with a positioning member at one end away from the sleeve, and a third ring is provided on the outer peripheral wall of the positioning member A groove, the third ring groove is sleeved with a third washer, and the third washer slidably abuts against the wall of the through hole. The adjustable stopper for a machine tool according to claim 12, further comprising a third nut and a fourth nut screwed to the screw, the third nut and the fourth nut are respectively clamped Abut the opposite sides of the positioning member. The adjustable stopper for machine tools according to claim 4, wherein the abutting piece is a metal piece, the connecting piece is a plastic steel piece; the connecting piece is provided with a set of connecting holes, and the set of connecting holes contains a Lin, the connecting part is inserted into the bearing; the end of the hole of the connecting hole away from the abutting member is protrudingly provided with a retaining edge, the retaining edge is blocked by the bearing along the axial direction, and the screw thread passes through Through the retaining edge; the bearing includes a rotatable inner ring and an outer ring, the outer ring is clamped between the abutting member and the retaining edge, the set of connecting parts are inserted in the inner Ring; the outer peripheral wall of the sleeve is provided with a second ring groove, the second ring groove is sleeved with a second washer, the second washer slidably abuts against the hole wall of the perforation; the sleeve is away from the One end of the fixed part is provided with a bottom wall, the screw is screwed on the bottom wall, the radial dimension of the stopper structure is larger than the radial dimension of the screw; the other includes a first nut and a first nut screwed to the screw Two nuts, the first nut abuts against a side of the bottom wall away from the fixing portion, the second nut abuts against a side of the first nut opposite to the bottom wall; the screw is far away from the sleeve A positioning member is set on one end, and a third ring groove is provided on the outer peripheral wall of the positioning member, and a third washer is sleeved on the third ring groove, and the third washer slidably abuts against the perforated hole The wall; also includes a third nut and a fourth nut screwed to the screw, the third nut and the fourth nut are clamped against opposite sides of the positioning member; the connecting member and the The abutting piece is locked by a plurality of locking members; and the assembling part is a convex post arranged at one end of the screw along the axial direction, and the convex post is cylindrical.

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