CN212042955U

CN212042955U - Length-adjustable reamer for numerical control machine tool

Info

Publication number: CN212042955U
Application number: CN202020220068.1U
Authority: CN
Inventors: 王高书
Original assignee: Kunshan Hongtaibo Cnc Tool Co ltd
Current assignee: Kunshan Hongtaibo Cnc Tool Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-12-01
Anticipated expiration: 2030-02-27

Abstract

The utility model relates to a length adjustable reamer for digit control machine tool installs on straight handle machine, including handle of a knife subassembly, with the tool bit subassembly and the fixed subassembly of connection can be dismantled to the handle of a knife subassembly, the handle of a knife subassembly includes at least that first handle of a knife and cover are established second handle of a knife on the first handle of a knife, the second handle of a knife can for first handle of a knife removes and passes through fixed subassembly is fixed in order to adjust the length of handle of a knife subassembly. The cutter handle assembly at least comprises a first cutter handle and a second cutter handle, and the second cutter handle can move relative to the first cutter handle to adjust the length of the cutter handle assembly so as to be used for adapting to straight shank machines of different models, so that the operation is fast and convenient; through can dismantling handle of a knife subassembly with the tool bit subassembly and be connected, when the tool bit subassembly needs to be changed, can dismantle tool bit subassembly and handle of a knife subassembly and then only need replace the tool bit subassembly and need not whole replacement, reach the effect of practicing thrift the cost.

Description

Length-adjustable reamer for numerical control machine tool

Technical Field

The utility model relates to a length-adjustable reamer for digit control machine tool belongs to machining tool technical field.

Background

The reamer has one or more reamer blades, a rotary cutter for cutting a thin layer of metal on the surface of a machined hole, and a rotary finishing cutter having a straight edge or a helical edge for reaming or repairing the hole. The straight shank machine in the prior art needs to butt reamers with different lengths due to different models, and is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a length-adjustable reamer in order to be applicable to the straight shank machine of different models, its simple structure, convenient operation.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a length adjustable reamer for digit control machine tool, installs on straight handle machine, including handle of a knife subassembly, with handle of a knife subassembly can dismantle tool bit subassembly and the fixed subassembly of connection, the handle of a knife subassembly includes at least that first handle of a knife and cover establish second handle of a knife on the first handle of a knife, the second handle of a knife can for first handle of a knife removes and passes through fixed subassembly is fixed in order to adjust the length of handle of a knife subassembly.

Further, the first tool holder is in threaded connection with a second tool holder, and the second tool holder is rotated to adjust the position of the second tool holder relative to the first tool holder; the second tool handle is provided with a threaded hole, the fixing assembly comprises a fastening bolt connected with the threaded hole, and the fastening bolt is adjusted to enable the fastening bolt to be abutted against the first tool handle so as to fix the second tool handle with the first tool handle.

Furthermore, the first tool handle is provided with a plurality of first mounting holes arranged along the axial length direction of the first tool handle, the second tool handle is provided with at least one second mounting hole, and the second tool handle is adjusted to enable the second mounting hole to correspond to one first mounting hole; the fixing component comprises a fastener which sequentially penetrates through the second mounting hole and the first mounting hole.

Furthermore, the cutter head component comprises a cutter body and a plurality of blades detachably connected with the cutter body; the first tool handle comprises a hollow part, and the tool body is in threaded connection with the hollow part to realize detachable connection.

Further, a skirt edge and a rubber gasket connected with the skirt edge are arranged on the cutter body, and after the cutter body is in threaded connection with the hollow portion, the skirt edge and the rubber gasket are abutted against the first cutter handle.

Furthermore, a plurality of sliding grooves are formed in the knife body, and sliding blocks in sliding fit with the sliding grooves are arranged at the end portions of the blades.

Further, a baffle is arranged at one end, far away from the cutter handle assembly, of the sliding groove.

Furthermore, a first through hole is formed in the sliding groove, a second through hole and a bulge which is connected with the sliding block through an elastic piece and extends out of the second through hole are formed in the sliding block; when the sliding block slides into the sliding groove, the protrusion is clamped and fixed with the first through hole.

The beneficial effects of the utility model reside in that: the cutter handle assembly at least comprises a first cutter handle and a second cutter handle, and the second cutter handle can move relative to the first cutter handle to adjust the length of the cutter handle assembly so as to be used for adapting to straight shank machines of different models, so that the operation is fast and convenient;

through can dismantling handle of a knife subassembly with the tool bit subassembly and be connected, when any one of them needs to be changed, can dismantle tool bit subassembly and handle of a knife subassembly and then only need replace tool bit subassembly or handle of a knife subassembly and need not whole replacement, reach the effect of practicing thrift the cost.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a length-adjustable reamer for a numerical control machine tool according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a length-adjustable reamer for a numerical control machine tool according to another embodiment of the present invention.

Fig. 3 is a schematic view of a cutter head assembly according to an embodiment of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1, the length-adjustable reamer for a numerical control machine tool according to a preferred embodiment of the present invention is installed on a straight shank machine, and includes a shank assembly 1, a tool bit assembly 2 detachably connected to the shank assembly 1, and a fixing assembly 3, and is detachably connected to the shank assembly 1 and the tool bit assembly 2, so that when one of the two is to be replaced, only the shank assembly 1 or the tool bit assembly 2 needs to be replaced, and the whole replacement is not needed, thereby saving the cost. The tool shank assembly 1 at least comprises a first tool shank 11 and a second tool shank 12 sleeved on the first tool shank 11, and the second tool shank 12 can move relative to the first tool shank 11 and is fixed through the fixing assembly 3 to adjust the length of the tool shank assembly 1. In this embodiment, the tool shank assembly 1 includes only the first tool shank 11 and the second tool shank 12. Indeed, in other embodiments, the number of tool shanks of the tool shank assembly 1 may be other, and is not specifically limited herein, depending on the actual situation.

The first tool shank 11 is in threaded connection with a second tool shank 12, and the second tool shank 12 is rotated to adjust the position of the second tool shank 12 relative to the first tool shank 11. The second tool shank 12 is provided with a threaded hole 122, the fixing assembly 3 comprises a fastening bolt 31 connected with the threaded hole 122, and after the position of the second tool shank 12 is adjusted, the fastening bolt 31 is rotated to enable the fastening bolt 31 to be abutted against the first tool shank 11 so as to fix the second tool shank 12 and the first tool shank 11, so that the fixing device is fast and convenient. Please refer to fig. 2, indeed, in other embodiments, the first tool holder 11 is provided with a plurality of first mounting holes 111 arranged along the axial length direction of the first tool holder 11, and the second tool holder 12 is provided with at least one second mounting hole 121. In this embodiment, in order to simplify the machining process of the integral structure, the second tool shank 12 is provided with a second mounting hole 121. After the position of the second tool shank 12 is adjusted, the second mounting hole 121 corresponds to one of the first mounting holes 111. The fixing assembly 3 includes a fastener 32 sequentially passing through the second mounting hole 121 and the first mounting hole 111, so as to fix the second tool shank 12 to the first tool shank 11. The connection mode of the first tool holder 11 and the second tool holder 12 is not particularly limited, and is determined according to actual conditions. The fastening member 32 is a bolt or other conventional structure, and will not be described herein.

The cutter head component 2 comprises a cutter body 21 and a plurality of blades 22 detachably connected with the cutter body 21; the first tool shank 11 comprises a hollow portion 112, and the tool body 21 is screwed into the hollow portion 112 to achieve detachable connection. In order to reduce the vibration transmitted to the tool holder assembly 1 by the tool bit assembly 2, the knife body 21 is provided with a skirt 6 and a rubber gasket 7 connected with the skirt 6, and after the knife body 21 is in threaded connection with the hollow part 112, the skirt 6 and the rubber gasket 7 are abutted against the first tool holder 11.

The knife body 21 is provided with a plurality of sliding grooves 211, the end of the blade 22 is provided with a sliding block in sliding fit with the sliding grooves 211, and one end, far away from the knife handle assembly 1, of the sliding grooves 211 is provided with a baffle 4. When the sliding block slides into the sliding groove 211, the baffle 4 prevents the sliding block from sliding out of the sliding groove 211 from the bottom end of the sliding groove 211. The length of the slide block is consistent with that of the slide groove 211, so that fine dust generated by machining is prevented from falling into the slide groove 211 to cause blockage. Please refer to fig. 3, indeed, in other embodiments, in order to prevent the sliding block from sliding out of the sliding groove 211, a first through hole may be disposed on the sliding groove 211, a second through hole and a protrusion 5 connected to the sliding block through an elastic member and protruding out of the second through hole are disposed on the sliding block; when the sliding block slides into the sliding groove 211, the protrusion 5 is engaged and fixed with the first through hole. When the sliding block needs to be separated from the sliding groove 211, the protrusion 5 is pressed to separate the protrusion 5 from the first through hole, so that the sliding block is separated from the sliding groove 211 quickly and conveniently. The manner of the clamping connection of the slider and the slider is also other, and is not particularly limited herein, depending on the actual situation.

In summary, the following steps: the tool shank assembly 1 at least comprises a first tool shank 11 and a second tool shank 12, and the second tool shank 12 can move relative to the first tool shank 11 to adjust the length of the tool shank assembly 1, so that the tool shank assembly is suitable for straight shank machines of different models, and is quick and convenient;

through can dismantling handle of a knife subassembly 1 and tool bit subassembly 2 and be connected, when any one of them needs to be changed, can dismantle tool bit subassembly 2 and handle of a knife subassembly 1 and then only need replace tool bit subassembly 2 or handle of a knife subassembly 1 and need not whole replacement, reach the effect of saving cost.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a length adjustable reamer for digit control machine tool, installs on straight handle machine, its characterized in that, including handle of a knife subassembly, with handle of a knife subassembly can dismantle the tool bit subassembly and the fixed subassembly of connection, handle of a knife subassembly includes at least that first handle of a knife and cover establish second handle of a knife on the first handle, the second handle of a knife can for first handle of a knife removes and passes through fixed subassembly is fixed in order to adjust handle of a knife subassembly's length.

2. The length-adjustable reamer for numerical control machines according to claim 1, wherein the first shank is threadedly connected with a second shank, and the second shank is rotated to adjust the position of the second shank relative to the first shank; the second tool handle is provided with a threaded hole, the fixing assembly comprises a fastening bolt connected with the threaded hole, and the fastening bolt is adjusted to enable the fastening bolt to be abutted against the first tool handle so as to fix the second tool handle with the first tool handle.

3. The length-adjustable reamer for the numerical control machine tool according to claim 1, wherein a plurality of first mounting holes are formed in the first shank in the axial length direction of the first shank, at least one second mounting hole is formed in the second shank, and the second shank is adjusted so that the second mounting hole corresponds to one of the first mounting holes; the fixing component comprises a fastener which sequentially penetrates through the second mounting hole and the first mounting hole.

4. The length-adjustable reamer for a numerical control machine tool of claim 1, wherein the cutter head assembly comprises a cutter body and a plurality of blades detachably connected to the cutter body; the first tool handle comprises a hollow part, and the tool body is in threaded connection with the hollow part to realize detachable connection.

5. The length-adjustable reamer for numerical control machines according to claim 4, wherein the cutter body is provided with a skirt and a rubber washer connected with the skirt, and when the cutter body is in threaded connection with the hollow portion, the skirt and the rubber washer are abutted against the first cutter shank.

6. The length-adjustable reamer for the numerical control machine tool according to claim 4, wherein the cutter body is provided with a plurality of sliding grooves, and the end of the blade is provided with a sliding block which is in sliding fit with the sliding grooves.

7. The length-adjustable reamer for numerical control machine tools of claim 6, wherein one end of the chute away from the shank assembly is provided with a baffle.

8. The length-adjustable reamer for a numerical control machine tool according to claim 6, wherein the sliding groove is provided with a first through hole, the sliding block is provided with a second through hole, and a protrusion connected with the sliding block through an elastic member and protruding out of the second through hole; when the sliding block slides into the sliding groove, the protrusion is clamped and fixed with the first through hole.