CN219151758U

CN219151758U - PCD reamer's length adjustment structure

Info

Publication number: CN219151758U
Application number: CN202223468461.0U
Authority: CN
Inventors: 潘晓锋
Original assignee: Xuyan Suzhou Precision Tool Technology Co ltd
Current assignee: Xuyan Suzhou Precision Tool Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-09
Anticipated expiration: 2032-12-21

Abstract

The utility model belongs to the technical field of reamer adjustment, and particularly relates to a length adjustment structure of a PCD reamer, which comprises a cutter head and a cutter handle, wherein the end part of the cutter head is fixedly connected with an adjusting rod, one end of the cutter handle is provided with a plug-in groove, one end of the adjusting rod is movably plugged in the plug-in groove, the surface of the adjusting rod is provided with a plurality of mounting holes, fixed blocks are movably plugged in the mounting holes, two sides of the end part of the plug-in groove are movably plugged in moving blocks, two ends of the fixed blocks are movably plugged in the two moving blocks, the end part of the moving block is movably plugged in a limiting block, the end part of the limiting block is fixedly connected with a spring, and an adjusting mechanism is arranged between the cutter handle and the two moving blocks. According to the reamer and the reamer handle, the cutter head and the reamer handle are installed and fixed through the installation holes on the surface of the adjusting rod, the lengths of the reamers can be extended longer through the installation holes, and small-range accurate adjustment is performed under the action of the adjusting mechanism, so that the adjustment range of the reamer is large and accurate, the applicability of the reamer is high, and different processing requirements can be met.

Description

PCD reamer's length adjustment structure

Technical Field

The utility model belongs to the technical field of reamer adjustment, and particularly relates to a length adjustment structure of a PCD reamer.

Background

The reamer is a rotary cutter with one or more cutter teeth for cutting thin metal on the surface of a processed hole, and a rotary finishing cutter with a straight blade or a spiral blade for reaming or repairing the hole, and in patent CN202020220068.1, a length-adjustable reamer for a numerical control machine tool is mentioned, the reamer is divided into a cutter head and a cutter handle, and the cutter head is movably adjusted, but the cutter head cannot be quantitatively adjusted in a small range, and the adjustment range is large, so that the applicability of the reamer is reduced.

Therefore, it is necessary to invent a length adjustment structure of a PCD reamer to solve the above problems.

Disclosure of Invention

In view of the above, the present utility model provides a length adjustment structure of a PCD reamer, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a length adjustment structure of PCD reamer, includes tool bit and handle of a knife, tool bit end fixedly connected with adjusts the pole, and the jack socket has been seted up to handle of a knife one end, adjusts pole one end activity grafting at the jack socket inside, adjusts the pole surface and has seted up a plurality of mounting holes, and the inside activity grafting of mounting hole has the fixed block, and the movable grafting of jack socket tip both sides has the movable block, and the movable grafting of fixed block both ends is inside two movable blocks, and movable block tip activity grafting has the stopper, stopper tip fixedly connected with spring, is provided with adjustment mechanism between handle of a knife and the two movable blocks.

Further, adjustment mechanism includes the connecting block, and connecting block both ends and two movable blocks fixed connection, and the connecting block middle part rotates the grafting and has the lead screw, and the lead screw cup joints with the connecting block screw thread, and the lead screw both ends are all rotated and are pegged graft inside the handle of a knife, and lead screw one end runs through the handle of a knife and extends to outside, and lead screw tip fixedly connected with adjust knob.

Further, be provided with supporting mechanism between handle of a knife and the regulation pole, supporting mechanism includes the holding ring, and the holding ring activity cup joints on regulation pole surface, and two auxiliary rod of holding ring one side fixedly connected with, two auxiliary rod one ends are all movably pegged graft inside the handle of a knife, and the handle of a knife is located an auxiliary rod top and is provided with the friction block, and the friction block top rotates to peg graft there is the bolt, and bolt one section screw thread is pegged graft inside the handle of a knife.

Further, one side of the limiting block is provided with a slope, one side of the limiting block is attached to the surface of the fixed block, and the two limiting blocks are symmetrically arranged relative to the middle of the fixed block.

Further, the connecting block is arc-shaped, and the connecting block is movably sleeved on the surface of the cutter handle.

Further, the bottom of the friction block is arc-shaped, and the bottom surface of the friction block is attached to the surface of the auxiliary rod.

Furthermore, the surface of the adjusting knob is provided with an anti-slip layer, and the anti-slip layer of the adjusting knob is arranged in a concave-convex mode.

The utility model has the technical effects and advantages that:

1. according to the reamer and the reamer handle, the cutter head and the reamer handle are installed and fixed through the installation holes on the surface of the adjusting rod, the lengths of the reamers can be extended longer through the installation holes, and small-range accurate adjustment is performed under the action of the adjusting mechanism, so that the adjustment range of the reamer is large and accurate, the applicability of the reamer is high, and different processing requirements can be met.

2. According to the utility model, the adjusting rod can be supported by the supporting mechanism, so that the strength of the adjusting rod is increased, the condition that the adjusting rod is broken due to larger resistance in the machining process is avoided, and the normal operation of workpiece machining is ensured.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

FIG. 1 shows a schematic overall structure of an embodiment of the present utility model;

FIG. 2 shows a front cross-sectional view of an embodiment of the utility model;

FIG. 3 shows a top cross-sectional view of an embodiment of the present utility model;

FIG. 4 shows an enlarged view of portion A of FIG. 3 in an embodiment of the utility model;

in the figure: 1. a cutter head; 2. a knife handle; 3. an adjusting rod; 4. a plug-in groove; 5. a mounting hole; 6. a fixed block; 7. a moving block; 8. a limiting block; 9. a spring; 10. a connecting block; 11. a screw rod; 12. an adjustment knob; 13. a support ring; 14. an auxiliary lever; 15. a friction block; 16. and (5) a bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The utility model provides a length adjusting structure of a PCD reamer, which is shown in figures 1, 3 and 4, and comprises a cutter head 1 and a cutter handle 2, wherein an adjusting rod 3 is fixedly connected to the end part of the cutter head 1, an inserting groove 4 is formed in one end of the cutter handle 2, one end of the adjusting rod 3 is movably inserted into the inserting groove 4, a plurality of mounting holes 5 are formed in the surface of the adjusting rod 3, a fixed block 6 is movably inserted into the mounting holes 5, moving blocks 7 are movably inserted into two sides of the end part of the inserting groove 4, two ends of the fixed block 6 are movably inserted into the two moving blocks 7, a limiting block 8 is movably inserted into the end part of the moving block 7, one side of the limiting block 8 is in slope setting, one side of the limiting block 8 is attached to the surface of the fixed block 6, two limiting blocks 8 are symmetrically arranged relative to the middle part of the fixed block 6, springs 9 are fixedly connected to the end part of the limiting block 8, the cutter handle 2 and two moving blocks 7 are provided with adjusting mechanisms, the two ends of the connecting block 10 are fixedly connected with the two moving blocks 7, the connecting block 10 are in arc-shaped, the connecting block 10 is movably inserted into the surface of the cutter handle 2, a screw 11 is rotatably inserted into the middle of the connecting block 10, the screw 11 is sleeved with the screw 11, the screw 11 is rotatably connected with the screw thread, the two ends of the screw 11 are rotatably connected with the two ends of the rotating knob 2, and the two ends of the handle 11 are fixedly connected to the handle 12, and extend to the screw through the end 12.

As shown in fig. 1-2, a supporting mechanism is arranged between the tool handle 2 and the adjusting rod 3, the supporting mechanism comprises a supporting ring 13, the supporting ring 13 is movably sleeved on the surface of the adjusting rod 3, one side of the supporting ring 13 is fixedly connected with two auxiliary rods 14, one ends of the two auxiliary rods 14 are movably inserted into the tool handle 2, the tool handle 2 is positioned at the top of one auxiliary rod 14 and provided with a friction block 15, the bottom of the friction block 15 is in an arc-shaped arrangement, the surface of the bottom of the friction block 15 is attached to the surface of the auxiliary rod 14, the top of the friction block 15 is rotatably inserted with a bolt 16, one section of thread of the bolt 16 is inserted into the tool handle 2, an anti-skid layer is arranged on the surface of the adjusting knob 12, and the anti-skid layer of the adjusting knob 12 is in a concave-convex arrangement.

The working principle of the utility model is as follows:

referring to fig. 1-4 of the specification, when the tool bit 1 is replaced or installed, the rear end of the hand-held tool bit 1 inserts the adjusting rod 3 from the position of the inserting groove 4, then the fixed block 6 can be inserted into the position of the adjusting rod 3 corresponding to the mounting hole 5, then the tool bit 1 is continuously pushed, as one side of the limiting block 8 is arranged as a slope, the two side limiting blocks 8 are pushed and contracted into the moving block 7 by the moving of the fixed block 6, the springs 9 are compressed, the two limiting blocks 8 can push the fixed block 6 to center, after the two ends of the fixed block 6 enter into the two limiting blocks 8, the two springs 9 reset the limiting blocks 8, the surfaces of the two limiting blocks 8 are jointed with the fixed block 6 to integrally fix the adjusting rod 3, when the reamer length is required to be adjusted, the screw rod 11 is rotated by rotating the adjusting knob 12, the connecting block 10 drives the two moving blocks 7 to move along with the fixed block 6, the position of the tool bit 1 is moved along with the adjusting rod 3, the reamer length can be changed to adapt to different processing requirements, if the inserting length of the adjusting rod 3 is too short, the supporting ring 13 is pushed to move on the surface of the 3, the supporting rod 14 is required to be matched with the supporting rod 14, and the supporting rod 14 is jointed with the supporting rod 14 in a friction mode after the supporting rod 14 is rotated to be jointed with the supporting rod 14 in a friction mode.

The cutter head 1 and the cutter handle 2 are installed and fixed through the installation holes 5 on the surface of the adjusting rod 3, the reamer length can be extended longer through the positions of the installation holes 5, and small-range accurate adjustment is performed under the action of the adjusting mechanism, so that the reamer adjusting range is large and accurate, the applicability of the reamer is high, different machining requirements can be met, meanwhile, the adjusting rod 3 can be supported by the supporting mechanism, the strength of the adjusting rod 3 is improved, the situation that the adjusting rod 3 breaks due to the fact that resistance is high in the machining process is avoided, and the normal machining of a workpiece is ensured.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a length adjustment structure of PCD reamer, includes tool bit (1) and handle of a knife (2), its characterized in that: tool bit (1) tip fixedly connected with adjusts pole (3), grafting groove (4) have been seted up to handle of a knife (2) one end, it is inside in grafting groove (4) to adjust pole (3) one end activity grafting, a plurality of mounting holes (5) have been seted up on regulation pole (3) surface, inside activity grafting of mounting hole (5) has fixed block (6), grafting groove (4) tip both sides activity grafting has movable block (7), inside two movable block (7) are pegged graft at fixed block (6) both ends activity, stopper (8) have been pegged graft in movable block (7) tip activity, stopper (8) tip fixedly connected with spring (9), be provided with adjustment mechanism between handle of a knife (2) and two movable block (7).

2. The length adjustment structure of a PCD reamer of claim 1, wherein: the adjusting mechanism comprises a connecting block (10), two ends of the connecting block (10) are fixedly connected with two moving blocks (7), a screw rod (11) is rotatably inserted in the middle of the connecting block (10), the screw rod (11) is in threaded sleeve connection with the connecting block (10), two ends of the screw rod (11) are rotatably inserted in the tool handle (2), one end of the screw rod (11) penetrates through the tool handle (2) to extend to the outside, and an adjusting knob (12) is fixedly connected with the end part of the screw rod (11).

3. The length adjustment structure of a PCD reamer of claim 1, wherein: be provided with supporting mechanism between handle of a knife (2) and regulation pole (3), supporting mechanism includes supporting ring (13), supporting ring (13) activity cup joints and is adjusted pole (3) surface, two auxiliary rod (14) of supporting ring (13) one side fixedly connected with, two auxiliary rod (14) one end all activity are pegged graft inside handle of a knife (2), handle of a knife (2) are located an auxiliary rod (14) top and are provided with friction block (15), friction block (15) top rotation grafting has bolt (16), bolt (16) one section screw thread grafting is inside handle of a knife (2).

4. The length adjustment structure of a PCD reamer of claim 1, wherein: one side of each limiting block (8) is provided with a slope, one side of each limiting block (8) is attached to the surface of each fixed block (6), and the two limiting blocks (8) are symmetrically arranged relative to the middle of each fixed block (6).

5. The length adjustment structure of a PCD reamer of claim 2, wherein: the connecting block (10) is arc-shaped, and the connecting block (10) is movably sleeved on the surface of the knife handle (2).

6. The length adjustment structure of a PCD reamer of claim 3, wherein: the bottom of the friction block (15) is in arc-shaped arrangement, and the bottom surface of the friction block (15) is attached to the surface of the auxiliary rod (14).

7. The length adjustment structure of a PCD reamer of claim 2, wherein: an anti-slip layer is arranged on the surface of the adjusting knob (12), and the anti-slip layer of the adjusting knob (12) is arranged in a concave-convex mode.