Tool bit combination

Abstract

The utility model belongs to the technical field of numerical control lathes, and particularly relates to a tool bit combination. A clamping structure; a connection structure; a transmission structure; wherein the cutter is connected to the clamping structure, and the connecting structure and the transmission structure are both fixed to the clamping structure; wherein the clamping framework is installed on a lathe tool assembly through the connecting structure, and the transmission structure is connected with the transmission shaft.

Description

Technical Field

[0001] The utility model belongs to the technical field of numerically controlled lathes, and in particular relates to a cutter head assembly. Background Art

[0002] CNC milling machine is also called CNC (Computer Numerical Control) milling machine. In English, it means a milling machine controlled by electronic digital signals. CNC milling machine is an automatic processing equipment developed on the basis of general milling machine. The processing technology of the two is basically the same, and the structure is also somewhat similar. CNC milling machine can be divided into two categories: without tool magazine and with tool magazine. Among them, CNC milling machine with tool magazine is also called machining center.

[0003] Among them, the cutter head is a consumable part of CNC milling machine processing products and plays a particularly important role when used. The existing cutter head is usually driven directly by a transmission shaft, and there is a situation where only one cutter head can be used on a single lathe at the same time. Therefore, it is particularly inconvenient in the process of mass processing products. Therefore, we specially designed a cutter head combination. Utility Model Content

[0004] The purpose of the utility model is to provide a cutter head combination to achieve the effect of batch use in view of the above-mentioned existing technical problems.

[0005] In view of this, the utility model provides a cutter head assembly, comprising:

[0006] Knives;

[0007] Clamping structure;

[0008] Connecting structures;

[0009] Transmission structure;

[0010] Wherein, the tool is connected to the clamping structure, and the connecting structure and the transmission structure are both fixed to the clamping structure;

[0011] Among them, the connecting structure installs the clamping structure on the lathe tool assembly, and the transmission structure is connected to the transmission shaft.

[0012] In the above technical solution, further, the clamping structure includes:

[0013] A knife handle, wherein the knife handle comprises a first connecting end and a second connecting end, and a flange is arranged between the first connecting end and the second connecting end;

[0014] A deformation sleeve, which is arranged on the first connecting end and extends into the tool handle, and is used to connect the tool;

[0015] A strong chuck is connected to the first connecting end and restricts the deformation sleeve in the tool handle;

[0016] The powerful chuck is threadedly connected to the first connecting end, and during the thread matching process, the deformation sleeve is controlled to loosen or tighten the tool.

[0017] In the above technical solution, further, the connection structure includes:

[0018] bolt;

[0019] Fixed plate;

[0020] Wherein, a first connecting hole is formed on the fixing plate, and the first connecting hole is connected to the knife handle;

[0021] Wherein, screw holes are arranged at the corners of the fixing plate, and bolts are arranged in the screw holes;

[0022] Wherein, the fixing plate is arranged at the second connection end, and one side of the fixing plate abuts against the flange; a matching protrusion is arranged on the other side of the fixing plate;

[0023] Wherein, a groove is arranged on the matching protrusion, and a sealing ring is connected to the groove.

[0024] In the above technical solution, further, the transmission structure includes:

[0025] Transmission parts;

[0026] Bearing assembly;

[0027] The first retaining ring;

[0028] Wherein, the transmission member is connected to the second connection end;

[0029] Wherein, the bearing assembly comprises a first bearing, a second bearing and a third bearing;

[0030] Wherein, the first bearing and the second bearing are arranged on the second connecting end in sequence, and the third bearing is arranged on the transmission member;

[0031] Wherein, the first retaining ring is arranged on the second connecting end and between the second bearing and the third bearing.

[0032] In the above technical solution, further, the transmission member includes:

[0033] The main body includes a mating end and a mounting end, the mating end is formed with a tooth surface, and the mounting end is tightly fitted and fixed with the second connecting end;

[0034] A fixing screw, wherein the fixing screw body is connected to the second connection end, and a second retaining ring is provided between the fixing screw and the second connection end;

[0035] Wherein, a second connecting hole is arranged on the main body, the second connecting hole passes through the matching end and the installation end, and a fixing screw is arranged on the second connecting hole.

[0036] In the above technical solution, further, it also includes:

[0037] A washer is arranged between the transmission member and the connecting mating surface of the second connecting end.

[0038] In the above technical solution, further, it also includes:

[0039] The bearing sealing ring is arranged on the inner side of the matching protrusion and is clamped between the fixing plate and the knife handle. The bearing sealing ring abuts against the first bearing.

[0040] The beneficial effects of the utility model are:

[0041] 1. By setting up multiple cutter head combinations and cooperating with the drive shaft through the transmission structure, the purpose of batch processing can be achieved.

[0042] 2. The overall structure is reasonable and compact, with strong transmission capacity and good clamping force on the tool. It is not easy to loosen or vibrate during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is an overall schematic diagram of the utility model;

[0044] Figure 2 It is an exploded view of the utility model;

[0045] Figure 3 It is an assembly schematic diagram of the utility model;

[0046] Figure 4 yes Figure 3 A magnified view of middle;

[0047] Figure 5 It is a schematic diagram of the knife handle of the utility model;

[0048] The markings in the figure are as follows: 31, tool; 32, power chuck; 33, deformation sleeve; 34, tool handle; 35, fixing plate; 36, bearing seal ring; 37, gasket; 38, first bearing; 39, open retaining ring; 301, second bearing; 302, circular arc bevel gear; 303, positioning key; 304, first retaining ring; 305, first positioning screw. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0050] Embodiment 1:

[0051] This embodiment provides a cutter head assembly, which is characterized by comprising:

[0052] Tool 1;

[0053] Clamping structure 2;

[0054] Connection structure 3;

[0055] Transmission structure 4;

[0056] The tool 1 is connected to the clamping structure 2, and the connecting structure 3 and the transmission structure 4 are both fixed to the clamping structure 2;

[0057] The connection structure 3 mounts the clamping structure to the lathe tool assembly 1, and the transmission structure 4 connects the transmission shaft.

[0058] It can be seen from this embodiment that a tool head assembly includes a tool 1, a clamping structure 2, a connecting structure 3 and a transmission structure 4;

[0059] The overall structure of the cutter head assembly is reasonable and compact, with strong transmission capacity and good clamping force on the cutter 1. When in use, it is not easy to loosen or vibrate, which helps to improve the processing efficiency and processing effect, thereby optimizing the processing technology;

[0060] Furthermore, the transmission structure 4 can be driven by cooperating with the transmission shaft, and during use, it is only necessary to set a plurality of tool head combinations to cooperate with the drive shaft through the transmission structure 4, so as to achieve the purpose of batch processing.

[0061] Embodiment 2:

[0062] This embodiment provides a tool head assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0063] The clamping structure 2 comprises:

[0064] The knife handle 21 includes a first connection end 212 and a second connection end 213, and a flange 211 is provided between the first connection end 212 and the second connection end 213;

[0065] A deformation sleeve 22, which is arranged on the first connecting end 212 and extends into the handle 21, and is used to connect the tool 1;

[0066] A strong chuck 23, which is connected to the first connecting end 212 and restricts the deformation sleeve 22 in the shank 21;

[0067] The powerful chuck 23 is threadedly connected to the first connecting end 212 , and during the thread matching process, the deformation sleeve 22 is controlled to loosen or tighten the tool 1 .

[0068] It can be seen from this embodiment that the clamping structure 2 includes a tool handle 21, a deformation sleeve 22 and a powerful clamp 23;

[0069] The handle 21 is provided with a flange 211, and the handle 21 parts on both sides of the flange 211 are provided with a first connection end 212 and a second connection end 213, and the first connection end 212 and the second connection end 213 are both formed with a countersunk hole 214, and the second connection end 213 is integrally assembled into the tool 1 assembly during use;

[0070] Furthermore, the deformation sleeve 22 is installed in the countersunk hole 214 on one side of the first connection end 212, and is restricted from moving in the countersunk hole 214 after the powerful clamp 23 is connected to the first connection end 212;

[0071] Furthermore, the powerful chuck 23 is threadedly fixed to the first connecting end 212, and when in use, the deformation sleeve 22 is controlled to move in the counterbore 214 through the threaded cooperation between the powerful chuck 23 and the first connecting end 212, and the deformation sleeve 22 clamps or releases the tool 1 during the movement.

[0072] Embodiment 3:

[0073] This embodiment provides a tool head assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0074] The connection structure 3 includes:

[0075] Bolt 31;

[0076] Fixed plate 32;

[0077] The fixing plate 32 is formed with a first connecting hole, and the first connecting hole is connected to the knife handle 21;

[0078] The fixing plate 32 is provided with a screw hole 321 at a corner thereof, and the bolt 31 is arranged in the screw hole 321;

[0079] The fixing plate 32 is disposed at the second connection end 213, and one side of the fixing plate 32 abuts against the flange 211; a matching protrusion 322 is disposed on the other side of the fixing plate 32;

[0080] A groove 5 is provided on the matching protrusion 322 , and a sealing ring 6 is connected to the groove 5 .

[0081] It can be seen from this embodiment that the connection mechanism includes a fixing plate 32 and a bolt 31;

[0082] Furthermore, a first connection hole is formed on the fixing plate 32, and the fixing plate 32 is fixed to the handle 21 through the first connection hole in cooperation with the first connection end 212, and abuts against the flange 211;

[0083] Furthermore, screw holes 321 are formed on the four corners of the fixing plate 32. When in use, the fixing plate 32 and the tool 1 assembly are fixed to the tool 1 assembly by threaded engagement of the bolts 31;

[0084] Furthermore, a mating protrusion 322 is formed on the end face of the fixed plate 32 away from the flange 211, and a groove 5 is formed on the mating protrusion 322, and a sealing ring 6 is connected to the groove 5. When in use, during the mating process of the fixed plate 32 and the tool assembly 1, the mating protrusion 322 extends into the mating end 4111 of the tool assembly, and the gap between the mating surfaces is sealed by the sealing ring 6, thereby making the structure more compact and less prone to vibration.

[0085] Embodiment 4:

[0086] This embodiment provides a tool head assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0087] The transmission structure 4 comprises:

[0088] Transmission member 41;

[0089] Bearing assembly;

[0090] A first retaining ring 45;

[0091] Wherein, the transmission member 41 is connected to the second connection end 213;

[0092] The bearing assembly includes a first bearing 42, a second bearing 43 and a third bearing 44;

[0093] The first bearing 42 and the second bearing 43 are sequentially arranged on the second connecting end 213 , and the third bearing 44 is arranged on the transmission member 41 ;

[0094] The first retaining ring 45 is disposed on the second connecting end 213 and between the second bearing 43 and the third bearing 44 .

[0095] It can be seen from this embodiment that the transmission structure 4 includes a retaining ring, a transmission member 41 and a bearing assembly;

[0096] The transmission member 41 is disposed on the second connection end 213 and connected to the countersunk hole 214. When in use, the transmission member 41 cooperates with the transmission shaft to drive the tool handle 21 to drive the tool 1 to rotate;

[0097] Further, the bearing assembly includes a first bearing 42, a second bearing 43 and a third bearing 44, wherein the first bearing 42 and the second bearing 43 are both mounted on the second connecting end 213, and the third bearing 44 is mounted on the transmission member 41. The first bearing 42, the second bearing 43 and the third bearing 44 can reduce the friction between the handle 21 and the tool 1 assembly during use, thereby reducing transmission loss and improving transmission effect;

[0098] Furthermore, the second retaining ring 413 is arranged on the second connecting end 213 and is located between the second bearing 43 and the third bearing 44. The retaining ring is tightly against the second bearing 43 and the third bearing 44, thereby improving the compactness of the structure, thereby preventing the shank 21 from vibrating and affecting the transmission effect.

[0099] Embodiment 5:

[0100] This embodiment provides a tool head assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0101] The transmission member 41 comprises:

[0102] The main body 411 includes a mating end 4111 and a mounting end 4112. The mating end 4111 is formed with a tooth surface, and the mounting end 4112 is tightly fitted and fixed with the second connecting end 213;

[0103] A fixing screw 412, wherein a main body 411 of the fixing screw 412 is connected to the second connection end 213, and a second retaining ring 413 is provided between the fixing screw 412 and the second connection end 213;

[0104] A second connection hole is provided on the main body 411 , and the second connection hole passes through the matching end 4111 and the installation end 4112 . The fixing screw 412 is provided on the second connection hole.

[0105] It can be seen from this embodiment that the transmission member 41 includes a main body 411 and a fixing screw 412;

[0106] The main body 411 includes a mating end 4111 and a mounting end 4112. The mating end 4111 is conical and has a toothed surface. The mounting end 4112 is connected to the countersunk hole 214 on the second connecting end 213. The main body 411 cooperates with the transmission shaft through the toothed surface to drive the tool handle 21.

[0107] Furthermore, a second connection hole is formed on the main body 411, and the second connection hole passes through the matching end 4111 and the mounting end 4112. When in use, the fixing screw 412 sequentially connects the second connection hole and the countersunk hole 214 to fix the main body 411 to the second connection end 213 of the handle 21.

[0108] Furthermore, a first key groove 9 is formed at one side opening of the second connection hole, and a second key groove 10 is provided at the second connection end 213 of the handle 21 corresponding to the first key groove 9. When in use, after the main body 411 is matched with the second connection end 213, a fixed key 11 is placed in the first key groove 9 and the key groove, and the fixed key 11 can effectively improve the transmission effect of the transmission member 41 on the handle 21, and can avoid the transmission member 41 and the handle 21 from slipping.

[0109] The transmission member 41 is matched with the transmission shaft through the tooth surface on the matching end 4111, and the transmission member 41 is small in size, which can reduce the volume of the combined power head. At the same time, the tooth surface meshing can improve the transmission accuracy.

[0110] Embodiment 6:

[0111] This embodiment provides a tool head assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0112] The washer 7 is arranged between the transmission member 41 and the connection matching surface of the second connection end 213 .

[0113] It can be seen from this embodiment that the washer 7 is provided so that the transmission member 41 can be firmly connected to the second connection end 213 to prevent it from loosening.

[0114] Embodiment 7:

[0115] This embodiment provides a tool head assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0116] The bearing sealing ring 86 is disposed on the inner side of the matching protrusion 322 and is clamped between the fixing plate 32 and the shank 21 . The bearing sealing ring 86 abuts against the first bearing 42 .

[0117] It can be seen from this embodiment that the bearing seal ring 86 can prevent external dust, moisture, impurities, etc. from entering the interior of the bearing, and also prevent the lubricating oil or grease inside the bearing from leaking.

[0118] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A cutter head assembly, characterized in that: include: Cutting tool (1); Clamping structure (2); Connecting structure (3); Transmission structure (4); Wherein, the tool (1) is connected to the clamping structure (2), and the connecting structure (3) and the transmission structure (4) are both fixed to the clamping structure (2); The connection structure (3) mounts the clamping structure on the lathe tool (1) assembly, and the transmission structure (4) is connected to the transmission shaft.

2. A cutter head assembly according to claim 1, characterized in that: The clamping structure (2) comprises: A knife handle (21), wherein the knife handle (21) comprises a first connecting end (212) and a second connecting end (213), wherein a flange (211) is provided between the first connecting end (212) and the second connecting end (213); A deformation sleeve (22), wherein the deformation sleeve (22) is arranged on the first connection end (212) and extends into the handle (21), and the deformation sleeve (22) is used to connect the tool (1); A strong chuck (23), wherein the strong chuck (23) is connected to the first connecting end (212) and restricts the deformation sleeve (22) within the shank (21); The powerful chuck (23) is threadedly connected to the first connection end (212), and during the thread matching process, the deformation sleeve (22) is controlled to loosen or tighten the tool (1).

3. A cutter head assembly according to claim 2, characterized in that: The connection structure (3) comprises: Bolt (31); A fixing plate (32); Wherein, a first connecting hole is formed on the fixing plate (32), and the first connecting hole is connected to the knife handle (21); Wherein, the corners of the fixing plate (32) are provided with screw holes (321), and the bolts (31) are arranged in the screw holes (321); The fixing plate (32) is arranged at the second connection end (213), and one side of the fixing plate (32) abuts against the flange (211); the other side of the fixing plate (32) is provided with a matching protrusion (322); Wherein, a groove (5) is provided on the matching protrusion (322), and a sealing ring (6) is connected to the groove (5).

4. A cutter head assembly according to claim 3, characterized in that: The transmission structure (4) comprises: Transmission member (41); Bearing assembly; A first retaining ring (45); Wherein, the transmission member (41) is connected to the second connection end (213); Wherein, the bearing assembly comprises a first bearing (42), a second bearing (43) and a third bearing (44); Wherein, the first bearing (42) and the second bearing (43) are sequentially arranged on the second connecting end (213), and the third bearing (44) is arranged on the transmission member (41); Wherein, the first retaining ring (45) is arranged on the second connecting end (213) and between the second bearing (43) and the third bearing (44).

5. A cutter head assembly according to claim 4, characterized in that: The transmission member (41) comprises: A main body (411), wherein the main body (411) comprises a mating end (4111) and a mounting end (4112), wherein a tooth surface is formed on the mating end (4111), and the mounting end (4112) is tightly fitted and fixed with the second connecting end (213); A fixing screw (412), wherein a main body (411) of the fixing screw (412) is connected to the second connecting end (213), and a second retaining ring (413) is provided between the fixing screw (412) and the second connecting end (213); Wherein, a second connecting hole is arranged on the main body (411), the second connecting hole passes through the matching end (4111) and the installation end (4112), and the fixing screw (412) is arranged on the second connecting hole.

6. A cutter head assembly according to claim 5, characterized in that include: A washer (7), wherein the washer (7) is arranged between the connecting mating surface of the transmission member (41) and the second connecting end (213).

7. A cutter head assembly according to claim 6, characterized in that include: A bearing sealing ring (8) (6), wherein the bearing sealing ring (8) (6) is arranged on the inner side of the matching protrusion (322) and is clamped between the fixing plate (32) and the knife handle (21), and the bearing sealing ring (8) (6) is against the first bearing (42).

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