Universal floating hinge sleeve

Abstract

The invention discloses a universal floating hinge sleeve, and relates to the field of high-precision reaming machining. The problems that an existing knife pouch cannot provide relatively stable rigidity, the possibility that the knife pouch does not enter a hole due to the too large movement range is caused, and the knife pouch is too complex in structure and not suitable for manufacturing are solved. A first cylinder and a second cylinder which are coaxially arranged are sequentially arranged on the upper portion of a cutter connecting part in the circumferential direction from bottom to top, and a first round hole and a second round hole which are matched with the first cylinder and the second cylinder are sequentially formed in the center of the lower end face of a cutter handle connecting part from bottom to top in the axial direction. The first cylinder and the second cylinder are inserted into the first round hole and the second round hole respectively, the hinge sleeve connecting flange is arranged in the middle of the cutter connecting part in a sleeved mode, the upper surface of the hinge sleeve connecting flange abuts against the lower surface of the first cylinder, and the hinge sleeve connecting flange is connected with the bottom of the cutter handle connecting part through a plurality of hinge sleeve connecting pieces. The universal floating hinge sleeve is used for connecting a taper-shank reamer and a BT50 turn Morse cutter handle.

Description

Technical Field

[0001] The invention relates to the field of high-precision reaming, and in particular to a universal floating reaming sleeve. Background Art

[0002] Floating reamers are used in boring and milling machines, CNC machining centers or turning and milling centers where high-precision reaming is required. The reamer itself cannot float, but is installed in a floating reamer handle to achieve floating. The floating reamer handle uses a specially designed mechanism that allows the handle to float parallel to the axis or float at an angle in the vertical space or both to compensate for errors in the horizontal axis or in the vertical space caused by thermal deformation of the machine tool, workpiece installation, reamer, etc. However, the existing tool holders cannot provide relatively stable rigidity, resulting in a large range of motion that may not enter the hole, and the structure is too complex and difficult to manufacture. Summary of the invention

[0003] The purpose of the present invention is to solve the problems that the existing tool sleeve cannot provide relatively stable rigidity, resulting in too large a range of motion and the possibility of not entering the hole, and the structure is too complicated and difficult to manufacture, and thus provide a universal floating hinge sleeve.

[0004] The technical solution of the present invention is:

[0005] A universal floating hinge sleeve comprises a tool connecting part 1, a tool handle connecting part 2, a hinge sleeve connecting flange 3 and a plurality of hinge sleeve connecting parts 4. The tool connecting part 1 and the tool handle connecting part 2 are both circular rod-shaped structures. The upper part of the tool connecting part 1 is provided with a first cylinder 101 and a second cylinder 102 arranged coaxially in sequence from bottom to top along the circumferential direction. The center of the lower end surface of the tool handle connecting part 2 is provided with a first circular hole 201 and a second circular hole 202 matching the first cylinder 101 and the second cylinder 102 in sequence from bottom to top along the axial direction. The first cylinder 101 and the second cylinder 102 of the tool connecting part 1 are respectively inserted into the first circular hole 201 and the second circular hole 202. The hinge sleeve connecting flange 3 is sleeved in the middle part of the tool connecting part 1. The upper surface of the hinge sleeve connecting flange 3 is against the lower surface of the first cylinder 101. The hinge sleeve connecting flange 3 is connected to the bottom of the tool handle connecting part 2 through a plurality of hinge sleeve connecting parts 4.

[0006] Furthermore, the hinge sleeve connecting member 4 is a hinge sleeve connecting bolt, and the lower surface of the shank connecting part 2 is provided with multiple axial connecting threaded holes evenly arranged in the circumferential direction. The hinge sleeve connecting flange 3 is provided with multiple axial connecting circular through holes corresponding to the multiple axial connecting threaded holes one by one. The hinge sleeve connecting flange 3 is connected to the bottom of the shank connecting part 2 through multiple hinge sleeve connecting bolts.

[0007] Furthermore, an inner waist-shaped hole 103 is radially processed on the side surface of the second cylinder 102, and the center line of the inner waist-shaped hole 103 is arranged perpendicular to the axis of the second cylinder 102. An outer waist-shaped hole 203 is radially processed on the side surface of the shank connecting part 2, and the outer waist-shaped hole 203 is vertically connected with the second circular hole 202, and the outer waist-shaped hole 203 is arranged corresponding to the inner waist-shaped hole 103.

[0008] Furthermore, a rectangular protrusion 104 is axially provided at the center of the upper surface of the second cylinder 102 , and a rectangular groove 204 matching the rectangular protrusion 104 is radially opened at the center of the bottom surface of the second circular hole 202 of the shank connecting part 2 , and the rectangular protrusion 104 is inserted into the rectangular groove 204 .

[0009] Furthermore, a tool installation tapered hole 105 is provided at the center of the lower surface of the tool connecting part 1 along the axial direction, and the inner diameter of the tool installation tapered hole 105 decreases from bottom to top.

[0010] Furthermore, a coaxially arranged floating reamer handle 205 is provided on the upper portion of the handle connecting portion 2 along the axial direction. The floating reamer handle 205 is a truncated cone-shaped structure, and the outer diameter of the floating reamer handle 205 decreases from bottom to top.

[0011] Furthermore, a chamfering adapter block 206 is provided at the center of the upper portion of the floating reamer handle 205 .

[0012] Furthermore, the hinge sleeve connecting flange 3 is an annular plate structure, and the inner hole of the hinge sleeve connecting flange 3 is gap-matched with the lower part of the tool connecting part 1 .

[0013] Compared with the prior art, the present invention has the following effects:

[0014] The universal floating hinge sleeve of the present invention can provide stable transmission, has sufficient torque bearing capacity, has a range of motion between 0.1-0.2 mm, is easy to manufacture, and has a strong function of correcting spindle deviation to ensure reaming accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric view of the universal floating hinge sleeve of the present invention;

[0016] Figure 2 This is a front view of the universal floating hinge sleeve of the present invention;

[0017] Figure 3 is a side view of the universal floating hinge sleeve of the present invention;

[0018] Figure 4 is a bottom view of the universal floating hinge sleeve of the present invention;

[0019] Figure 5 yes Figure 2 Sectional view at AA;

[0020] Figure 6 yes Figure 3 Cross-sectional view at BB;

[0021] Figure 7 It is an axonometric view of the tool connection part 1 in the universal floating hinge sleeve of the present invention;

[0022] Figure 8 This is a front view of the tool connection portion 1 of the universal floating hinge sleeve of the present invention;

[0023] Fig. 9 It is a side view of the tool connection part 1 in the universal floating hinge sleeve of the present invention;

[0024] Fig.10 It is a bottom view of the tool connection part 1 in the universal floating hinge sleeve of the present invention;

[0025] Fig.11 yes Figure 8 Sectional view at DD;

[0026] Fig.12 yes Figure 8 Cross-sectional view at CC;

[0027] Fig.13 yes Fig. 9 Cross-sectional view at EE;

[0028] Fig.14 It is an axonometric view of the tool handle connection part 2 in the universal floating hinge sleeve of the present invention;

[0029] Fig.15 It is a front view of the tool handle connecting portion 2 of the universal floating hinge sleeve of the present invention;

[0030] Fig.16 It is a side view of the tool handle connecting portion 2 in the universal floating hinge sleeve of the present invention;

[0031] Fig.17 yes Fig.15 Cross-sectional view at FF;

[0032] Fig.18 yes Fig.16 Sectional view at GG;

[0033] Fig.19 It is an axonometric view of the hinge sleeve connecting flange 3 in the universal floating hinge sleeve of the present invention;

[0034] Fig. 20 It is a top view of the hinge sleeve connecting flange 3 in the universal floating hinge sleeve of the present invention;

[0035] Fig.21This is a front view of the hinge sleeve connecting flange 3 in the universal floating hinge sleeve of the present invention;

[0036] Fig. 22 yes Fig.21 A cross-sectional view at HH;

[0037] Fig.23 It is a schematic diagram of the connection between the universal floating hinge sleeve of the present invention and the BT50 to Morse handle 5 and the tapered handle reamer 6 after being assembled.

[0038] In the figure: 1. tool connecting part; 101. first cylinder; 102. second cylinder; 103. inner waist-shaped hole; 104. rectangular protrusion; 105. tool mounting tapered hole; 2. tool handle connecting part; 201. first circular hole; 202. second circular hole; 203. outer waist-shaped hole; 204. rectangular groove; 205. floating reamer handle; 206. chamfering adapter block; 3. hinge sleeve connecting flange; 4. hinge sleeve connecting piece; 5. BT50 to Morse handle; 6. tapered shank reamer. DETAILED DESCRIPTION

[0039] Specific implementation method 1: Combination Figures 1 to 23 The present embodiment is described. A universal floating hinge sleeve of the present embodiment comprises a tool connecting part 1, a tool handle connecting part 2, a hinge sleeve connecting flange 3 and a plurality of hinge sleeve connecting parts 4. The tool connecting part 1 and the tool handle connecting part 2 are both circular rod-shaped structures. The upper part of the tool connecting part 1 is provided with a first cylinder 101 and a second cylinder 102 which are coaxially arranged in sequence from bottom to top along the circumferential direction. The center of the lower end surface of the tool handle connecting part 2 is provided with a first circular hole 201 and a second circular hole 202 which match the first cylinder 101 and the second cylinder 102 in sequence from bottom to top along the axial direction. The first cylinder 101 and the second cylinder 102 of the tool connecting part 1 are respectively inserted into the first circular hole 201 and the second circular hole 202. The hinge sleeve connecting flange 3 is sleeved in the middle part of the tool connecting part 1. The upper surface of the hinge sleeve connecting flange 3 is against the lower surface of the first cylinder 101. The hinge sleeve connecting flange 3 is connected to the bottom of the tool handle connecting part 2 through a plurality of hinge sleeve connecting parts 4.

[0040] Specific implementation method 2: Combination Figures 1 to 23 This embodiment is described. The hinge sleeve connecting member 4 of this embodiment is a hinge sleeve connecting bolt. The lower surface of the handle connecting part 2 is provided with a plurality of axial connecting threaded holes evenly arranged along the circumferential direction. The hinge sleeve connecting flange 3 is provided with a plurality of axial connecting circular through holes corresponding to the plurality of axial connecting threaded holes. The hinge sleeve connecting flange 3 is connected to the bottom of the handle connecting part 2 through a plurality of hinge sleeve connecting bolts. In this way, the handle connecting part 2 and the hinge sleeve connecting flange 3 are connected by bolts, which facilitates the disassembly or installation between the handle connecting part 2 and the tool connecting part 1. The other components and connection relationships are the same as those of the first embodiment.

[0041] Specific implementation method three: Combination Figures 1 to 23 To explain this embodiment, the second cylinder 102 of this embodiment is processed with an inner waist-shaped hole 103 along the radial direction, and the center line of the inner waist-shaped hole 103 is arranged perpendicularly to the axis of the second cylinder 102. The side of the handle connecting part 2 is processed with an outer waist-shaped hole 203 along the radial direction, and the outer waist-shaped hole 203 is vertically connected with the second circular hole 202, and the outer waist-shaped hole 203 is arranged correspondingly to the inner waist-shaped hole 103. Other components and connection relationships are the same as those of the first or second specific embodiments.

[0042] Specific implementation method four: Combination Figures 1 to 23 To explain this embodiment, a rectangular parallelepiped protrusion 104 is axially provided at the center of the upper surface of the second cylinder 102 of this embodiment, and a rectangular groove 204 matching the rectangular parallelepiped protrusion 104 is radially provided at the center of the bottom surface of the second circular hole 202 of the handle connecting part 2, and the rectangular parallelepiped protrusion 104 is inserted into the rectangular groove 204. Other components and connection relationships are the same as those of the first, second or third embodiments.

[0043] Specific implementation method five: Combination Figures 1 to 23 To explain this embodiment, a tool installation taper hole 105 is provided at the center of the lower surface of the tool connection part 1 of this embodiment along the axial direction, and the inner diameter of the tool installation taper hole 105 decreases from bottom to top. In this way, the tool installation taper hole 105 is used to achieve an effective connection between the tool connection part 1 and the tapered shank reamer 6. Other components and connection relationships are the same as those of the specific embodiments one, two, three or four.

[0044] Specific implementation method six: Combination Figures 1 to 23 To explain this embodiment, a coaxially arranged floating reamer handle 205 is provided on the upper part of the handle connecting part 2 of this embodiment along the axial direction. The floating reamer handle 205 is a truncated cone-shaped structure, and the outer diameter of the floating reamer handle 205 decreases from bottom to top. In this way, the floating reamer handle 205 is used to achieve an effective connection between the handle connecting part 2 and the BT50 Morse handle 5. Other components and connection relationships are the same as those of the specific embodiments one, two, three, four or five.

[0045] Specific implementation method seven: Combination Figures 1 to 23 To explain this embodiment, a chamfering adapter block 206 is provided at the center of the upper portion of the floating reamer handle 205 of this embodiment. Other components and connection relationships are the same as those of the first, second, third, fourth, fifth or sixth embodiments.

[0046] Specific implementation method eight: Combination Figures 1 to 23This embodiment is described. The hinge sleeve connecting flange 3 of this embodiment is an annular plate structure. The inner hole of the hinge sleeve connecting flange 3 is clearance-matched with the lower part of the tool connecting part 1. In this way, the hinge sleeve connecting flange 3 can be slidably mounted on the lower part of the tool connecting part 1 and connected with the tool connecting part 1 through a plurality of hinge sleeve connecting parts 4. Other components and connection relationships are the same as those of the specific embodiments 1, 2, 3, 4, 5, 6 or 7.

[0047] How it works

[0048] Combination Figures 1 to 23 The working principle of a universal floating hinge sleeve described in the present invention is described as follows: first, the second cylinder 102 of the universal floating hinge sleeve described in the present invention is inserted into the second circular hole 202 of the tool handle connecting part 2, and the first cylinder 101 is located at the first circular hole 201; then the hinge sleeve connecting flange 3 is sleeved on the lower part of the tool connecting part 1, and then the hinge sleeve connecting flange 3 is installed at the bottom of the tool handle connecting part 2 using multiple hinge sleeve connecting parts 4. Finally, the floating reamer handle 205 of the universal floating hinge sleeve described in the present invention is installed into the tool handle tapered hole of the BT50 to Morse tool handle 5, and the tapered handle reamer 6 is installed into the tool installation tapered hole 105 of the universal floating hinge sleeve described in the present invention, and then the BT50 to Morse tool handle 5 is installed on the machine tool to start reaming.

[0049] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A universal floating hinge sleeve, characterized in that: The invention comprises a tool connection part (1), a tool handle connection part (2), a hinge sleeve connection flange (3) and a plurality of hinge sleeve connection parts (4). The tool connection part (1) and the tool handle connection part (2) are both circular rod-shaped structures. The upper part of the tool connection part (1) is provided with a first cylinder (101) and a second cylinder (102) arranged coaxially from bottom to top in the circumferential direction. The lower end face center of the tool handle connection part (2) is provided with a first cylinder (101) and a second cylinder (102) arranged coaxially from bottom to top in the axial direction. A first circular hole (201) and a second circular hole (202) are matched, and a first cylinder (101) and a second cylinder (102) of a tool connecting part (1) are respectively inserted into the first circular hole (201) and the second circular hole (202), a hinge sleeve connecting flange (3) is sleeved in the middle of the tool connecting part (1), an upper surface of the hinge sleeve connecting flange (3) is abutted against a lower surface of the first cylinder (101), and the hinge sleeve connecting flange (3) is connected to the bottom of the tool handle connecting part (2) through a plurality of hinge sleeve connecting parts (4).

2. A universal floating hinge sleeve according to claim 1, characterized in that: The hinge sleeve connecting member (4) is a hinge sleeve connecting bolt, the lower surface of the shank connecting part (2) is provided with a plurality of axial connecting threaded holes evenly arranged in the circumferential direction, the hinge sleeve connecting flange (3) is provided with a plurality of axial connecting circular through holes corresponding to the plurality of axial connecting threaded holes one by one, and the hinge sleeve connecting flange (3) is connected to the bottom of the shank connecting part (2) via a plurality of hinge sleeve connecting bolts.

3. A universal floating hinge sleeve according to claim 2, characterized in that: An inner waist-shaped hole (103) is processed along the radial direction on the side surface of the second cylinder (102), and the center line of the inner waist-shaped hole (103) is arranged perpendicularly to the axis of the second cylinder (102). An outer waist-shaped hole (203) is processed along the radial direction on the side surface of the tool handle connecting part (2), and the outer waist-shaped hole (203) is vertically connected with the second circular hole (202), and the outer waist-shaped hole (203) is arranged correspondingly to the inner waist-shaped hole (103).

4. A universal floating hinge sleeve according to claim 3, characterized in that: A rectangular protrusion (104) is axially arranged at the center of the upper surface of the second cylinder (102), and a rectangular groove (204) matching the rectangular protrusion (104) is radially opened at the center of the bottom surface of the second circular hole (202) of the handle connecting part (2), and the rectangular protrusion (104) is inserted into the rectangular groove (204).

5. A universal floating hinge sleeve according to claim 1 or 4, characterized in that: A tool installation tapered hole (105) is provided at the center of the lower surface of the tool connection part (1) along the axial direction, and the inner diameter of the tool installation tapered hole (105) decreases from bottom to top.

6. A universal floating hinge sleeve according to claim 5, characterized in that: A coaxially arranged floating reamer handle (205) is provided on the upper part of the handle connecting part (2) along the axial direction. The floating reamer handle (205) is a truncated cone-shaped structure, and the outer diameter of the floating reamer handle (205) decreases from bottom to top.

7. A universal floating hinge sleeve according to claim 6, characterized in that: A chamfering transfer block (206) is provided at the center of the upper portion of the floating reamer handle (205).

8. A universal floating hinge sleeve according to claim 1, 2, 3, 4, 6 or 7, characterized in that: The hinge sleeve connecting flange (3) is an annular plate-shaped structure, and the inner hole of the hinge sleeve connecting flange (3) is clearance-matched with the lower part of the tool connecting part (1).

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