Reamer with adjustable reamer ring

Abstract

The reamer with the adjustable reamer ring comprises a reamer handle, a mounting groove is formed in the bottom end of the reamer handle, the section of the mounting groove is in a cross shape, four blades are connected to the inner wall of the mounting groove in a sliding mode, and a positioning sleeve in threaded connection with the reamer handle is arranged at the bottom end of the reamer handle in a sleeved mode. The top of the positioning sleeve makes contact with the four blades, a through groove is formed in the cutter handle, a lifting plate is slidably connected to the inner wall of the through groove, and a sliding rod is fixedly connected to the bottom of the lifting plate. According to the utility model, the effect of adjusting the diameter of the reamer can be realized, so that the reamer is suitable for finish machining of holes with different apertures on different workpieces, the number of the reamers is reduced, the machining cost is saved, the reamers do not need to be replaced frequently, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reamer, more specifically, relate to a reamer with adjustable reamer ring. BACKGROUND

[0002] The reamer with adjustable reamer ring is a cutter for finishing holes, which can adjust the diameter size of the reamer within a certain range to adapt to the machining requirements of different hole diameters, and has higher flexibility than ordinary reamers, can reduce the number of reamer specifications and reduce the cost of cutters.

[0003] The hole sizes on different workpieces are different, and the lathe needs to replace different reamers according to the hole size when machining workpieces with different hole diameters, which requires preparing multiple reamers, increasing the processing cost, and repeatedly replacing the reamer is very time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the purpose of the utility model is to provide a reamer with adjustable reamer ring to solve the problem of low production efficiency when the lathe needs to replace different reamers according to the hole size when machining workpieces with different hole diameters.

[0005] To solve the above problems, the utility model adopts the following technical scheme:

[0006] A reamer with adjustable reamer ring, comprising a handle, a mounting groove is formed in the bottom end of the handle, the cross section of the mounting groove is cross-shaped, four blades are slidably connected to the inner wall of the mounting groove, a positioning sleeve is threadedly connected to the bottom end of the handle, the top of the positioning sleeve is in contact with the four blades, a through groove is formed in the handle, a lifting plate is slidably connected to the inner wall of the through groove, a slide rod is fixedly connected to the bottom of the lifting plate, the bottom end of the slide rod penetrates through the handle and extends into the interior of the mounting groove, a driving plate is fixedly connected to the bottom end of the slide rod, an inclined groove is formed in each of the four blades, the outer side of the driving plate is in contact with the inner wall of each inclined groove, and a driving mechanism is arranged on the handle to control the lifting of the lifting plate.

[0007] Further description of the above technical scheme:

[0008] The driving mechanism comprises a driving ring, the driving ring is sleeved on the handle and threadedly connected thereto, a sealing ring is fixedly connected to the bottom of the driving ring, the sealing ring is sleeved on the handle, an annular groove is formed in the inner side of the sealing ring, the annular groove is annularly arranged, and a sliding block in contact with the annular groove is fixedly connected to the left and right sides of the lifting plate.

[0009] Further description of the above technical scheme:

[0010] The right side of the sealing ring is provided with a locking rod which is screwed with the sealing ring, and the left end of the locking rod is in contact with the shank.

[0011] As a further description of the above technical solution:

[0012] The outer side of the driving plate is rotationally connected with four rollers, and the outer sides of the four rollers are respectively in contact with four inclined grooves.

[0013] As a further description of the above technical solution:

[0014] The shank is provided with a water feeding pipe which is fixedly connected with the shank, the bottom end of the water feeding pipe penetrates through the shank and extends into the installation groove, and the blade is provided with an L-shaped pipe which is fixedly connected with the blade.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The present scheme can adjust the diameter of the reamer, and is suitable for fine machining of holes with different diameters on different workpieces, reduces the number of reamers, saves machining cost, and improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a sectional view of the utility model;

[0019] Figure 3 It is a sectional view of the utility model Figure 2 It is an enlarged view of A part of the utility model;

[0020] Figure 4 It is a side sectional view of the utility model;

[0021] Figure 5 It is a partial sectional view of the shank of the utility model.

[0022] Mark number explanation in the drawing:

[0023] 1, shank; 2, installation groove; 3, blade; 4, positioning sleeve; 5, through groove; 6, lifting plate; 7, sliding rod; 8, driving plate; 9, inclined groove; 10, driving mechanism; 101, driving ring; 102, sealing ring; 103, annular groove; 104, sliding block; 11, locking rod; 12, roller; 13, water feeding pipe; 14, L-shaped pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0025] Please refer toFigures 1 to 5 The utility model discloses: a kind of adjustable reamer ring's reamer, including handle 1, the bottom end of handle 1 is equipped with installation slot 2, the section of installation slot 2 is cross-shaped, four blades 3 are slidably connected in the inner wall of installation slot 2, the bottom end of handle 1 is equipped with the positioning sleeve 4 with its screw connection, the top of positioning sleeve 4 is in contact with four blades 3, through slot 5 is set up on handle 1, the inner wall of through slot 5 is slidably connected with lifting plate 6, the bottom of lifting plate 6 is fixedly connected with slide rod 7, the bottom of slide rod 7 penetrates handle 1 and extends to the inside of installation slot 2, the bottom of slide rod 7 is fixedly connected with driving plate 8, four blades 3 are all equipped with inclined slot 9, the outer side of driving plate 8 is respectively in contact with the inner wall of four inclined slots 9, handle 1 is provided with the drive mechanism 10 of controlling lifting plate 6 lifting;Drive mechanism 10 includes driving ring 101, driving ring 101 is sleeved on handle 1 and is connected with its screw, the bottom of driving ring 101 is fixedly connected with sealing ring 102, sealing ring 102 is sleeved on handle 1, the inside of sealing ring 102 is equipped with annular groove 103, the shape of annular groove 103 is annularly arranged, the left and right sides of lifting plate 6 are all fixedly connected with the sliding block 104 in contact with annular groove 103.

[0026] In the utility model, when using, blade 3 and handle 1 constitute a reamer, when needing to process workpiece of different aperture, user first rotates positioning sleeve 4, positioning sleeve 4 is rotated to not be in close contact with blade 3, at this time, blade 3 will lose locking effect, then user rotates driving ring 101 and drives it to descend along handle 1, in the process, sealing ring 102 will be driven to descend, after sealing ring 102 descends, lifting plate 6 will be driven to slide in through slot 5 by annular groove 103 and sliding block 104, then slide rod 7 will descend, after slide rod 7 descends, driving plate 8 will be driven to descend, after driving plate 8 descends, four inclined slots 9 on blade 3 will be extruded, after inclined slot 9 is extruded, blade 3 will be driven to move along the inner wall of installation slot 2, at this time, the distance of blade 3 from the center of handle 1 increases, to realize the effect of reamer diameter adjustment, after the diameter of the circle formed by four blades 3 is adjusted to the size of workpiece opening, four blades 3 are fixed and positioning sleeve 4 is rotated, after positioning sleeve 4 ascends and is in close contact with blade 3, the fixation of blade 3 is realized, the adjustment of reamer can be completed, then workpiece opening position can be processed, handle 1 drives blade 3 to insert into the hole needing to be processed, handle 1 drives blade 3 to rotate, the opening of workpiece can be finished machining, in the process, the position of blade 3 will be supported by driving plate 8, to effectively avoid the displacement of blade 3, to improve the purpose of workpiece opening finishing effect.

[0027] Please refer to Figure 2 Wherein: the right side of sealing ring 102 is inserted with the locking rod 11 with its screw connection, the left end of locking rod 11 is in contact with handle 1.

[0028] The locking rod 11 is arranged to lock the position of the sealing ring 102, thereby effectively improving the stability of supporting the blade 3.

[0029] Please refer to Figure 3 The outer side of the driving plate 8 is rotatably connected with four rollers 12, and the outer side of each of the four rollers 12 is in contact with the four inclined grooves 9.

[0030] In the utility model, the rollers 12 can reduce the friction between the driving plate 8 and the inclined grooves 9, improve the smoothness of adjusting the position of the blade 3, reduce abrasion, prolong the service life of the device, and improve the practicability of the device.

[0031] Please refer to Figure 4 The handle 1 is provided with a water feeding pipe 13 fixedly connected thereto, the bottom end of the water feeding pipe 13 penetrates through the handle 1 and extends into the installation groove 2, and the blade 3 is provided with an L-shaped pipe 14 fixedly connected thereto.

[0032] In the utility model, in the process of machining the workpiece, the user inputs the cooling liquid into the water feeding pipe 13, the cooling liquid enters the installation groove 2, and then the cooling liquid is sprayed out from the L-shaped pipe 14, thereby realizing the effect of lubrication and cooling, and prolonging the service life of the blade 3.

[0033] The above is only a preferred embodiment of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the utility model within the technical range disclosed by the utility model, and all of them should be covered in the protection scope of the utility model.

Claims

1. A reamer with an adjustable reamer ring, comprising a shank (1), characterized in that: The bottom end of the tool holder (1) is provided with a mounting groove (2), the cross section of the mounting groove (2) is cross-shaped, the inner wall of the mounting groove (2) is slidably connected with four blades (3), the bottom end of the tool holder (1) is sleeved with a positioning sleeve (4) which is threadedly connected with the tool holder (1), the top of the positioning sleeve (4) is in contact with the four blades (3), a through groove (5) is formed in the tool holder (1), the inner wall of the through groove (5) is slidably connected with a lifting plate (6), the bottom of the lifting plate (6) is fixedly connected with a slide rod (7), the bottom end of the slide rod (7) penetrates through the tool holder (1) and extends into the inside of the mounting groove (2), the bottom end of the slide rod (7) is fixedly connected with a driving plate (8), the four blades (3) are all provided with an inclined groove (9), the outer side of the driving plate (8) is in contact with the inner wall of the four inclined grooves (9) respectively, the tool holder (1) is provided with a driving mechanism (10) for controlling the lifting of the lifting plate (6).

2. A reamer according to claim 1, wherein: The driving mechanism (10) comprises a driving ring (101), the driving ring (101) is sleeved on the tool holder (1) and is threadedly connected with the tool holder (1), the bottom of the driving ring (101) is fixedly connected with a sealing ring (102), the sealing ring (102) is sleeved on the tool holder (1), the inner side of the sealing ring (102) is provided with an annular groove (103), the annular groove (103) is annularly arranged, the left and right sides of the lifting plate (6) are both fixedly connected with a sliding block (104) which is in contact with the annular groove (103).

3. A reamer according to claim 2, wherein: The right side of the sealing ring (102) is inserted with a locking rod (11) which is threadedly connected with the sealing ring (102), the left end of the locking rod (11) is in contact with the tool holder (1).

4. The reamer of claim 1 wherein: The outer side of the driving plate (8) is rotatably connected with four rollers (12), the outer sides of the four rollers (12) are respectively in contact with the four inclined grooves (9).

5. The reamer of claim 1 wherein: The tool holder (1) is inserted with a water feeding pipe (13) which is fixedly connected with the tool holder (1), the bottom end of the water feeding pipe (13) penetrates through the tool holder (1) and extends into the inside of the mounting groove (2), the blade (3) is inserted with an L-shaped pipe (14) which is fixedly connected with the blade (3).

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