CN222448415U - Bulb sword of removable tool bit - Google Patents
Bulb sword of removable tool bit Download PDFInfo
- Publication number
- CN222448415U CN222448415U CN202421245482.2U CN202421245482U CN222448415U CN 222448415 U CN222448415 U CN 222448415U CN 202421245482 U CN202421245482 U CN 202421245482U CN 222448415 U CN222448415 U CN 222448415U
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- cutter
- handle
- groove
- head
- ball
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- 238000005520 cutting process Methods 0.000 claims abstract description 19
- 238000003801 milling Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Milling Processes (AREA)
Abstract
The utility model relates to the field of cutters, in particular to a ball-end cutter with a replaceable cutter head, which comprises a handle and a head, wherein the handle is provided with a connecting groove and a plurality of first connecting holes, the connecting groove is arranged at the center of the bottom surface of the handle, the first connecting holes penetrate through the handle and are communicated with the connecting groove, the head is provided with a cutting edge, a chip removing groove and a connecting block, the connecting block corresponds to the connecting groove in size, the connecting block is also provided with a plurality of second connecting holes, and the ball-end cutter further comprises connecting bolts, and the connecting bolts penetrate through the first connecting holes and the second connecting holes. The ball cutter is divided into the handle part and the head part, so that the ball cutter can be replaced or maintained by disassembling the head part without disassembling the cutter handle and the cutter head, and the handle part can be used for milling when the head part is not installed and can be used for machining deep holes in the bottom of the ball by arranging the mounting groove and the cutter blade on the handle part.
Description
Technical Field
The utility model relates to the field of cutters, in particular to a ball-end cutter with a replaceable cutter head.
Background
The machining milling machine is an automatic machine for machining molded surfaces such as planes, grooves, threads and the like by cutting a workpiece through a milling cutter. Milling machines have been widely used in the manufacturing industry based on their high efficiency, continuous and accurate machining advantages. The ball knife installed in the milling machine is provided with multiple surfaces such as double-sided blades, three-sided blades, four-sided blades and the like, and the knife body and the knife teeth are integrally machined and formed. In actual use, the cutter arbor part of ball sword is installed in the blade disc, because long-term use tool bit is easy wearing and tearing, need withdraw from the dismantlement with the cutter arbor when changing, and it is inconvenient to change and maintain.
Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a ball-end cutter with a replaceable cutter head, which is realized by the following technical scheme:
The utility model provides a bulb sword that can change tool bit, includes stalk portion and head, the stalk portion is provided with spread groove and a plurality of first connecting hole, the spread groove sets up the central point of stalk portion bottom surface puts, first connecting hole link up the stalk portion with the spread groove intercommunication, the head is provided with blade, chip groove and connecting block, the connecting block with the size of spread groove is corresponding, still be provided with a plurality of second connecting holes on the connecting block, still include a plurality of connecting bolts, connecting bolt passes first connecting hole and second connecting hole.
According to the technical scheme, the handle is used for being fixedly connected with the cutter head, the head is used for achieving the function of a ball cutter, the connecting groove and the connecting block are used for being matched with each other, the head can be limited after the handle is matched with the head, the first connecting hole and the second connecting hole are used for being provided with connecting bolts, the connecting bolts are used for fixing the handle and the head, the cutting edge is used for cutting, and the chip discharging groove is used for discharging chips.
The utility model is further provided with the cutting edge and the chip removal groove which are arranged at intervals, and the cutting edge is arc-shaped.
According to the technical scheme, the cutting edge and the chip removal groove are arranged at intervals, so that chip removal is smooth, the cutting edge is arc-shaped to realize the function of a ball cutter, and arc-shaped cutting machining is facilitated.
The connecting block is further provided with a limiting step, and the size of the limiting step is larger than that of the connecting groove.
According to the technical scheme, the limiting step is used for aligning the positions of the first connecting hole and the second connecting hole, and the size of the limiting step is larger than that of the connecting groove, so that the connecting block can stop at the designated position.
The utility model is further characterized in that the handle is further provided with a plurality of mounting grooves, and blades are detachably and fixedly arranged in the mounting grooves.
According to the technical scheme, the mounting groove is used for mounting the blade, and the blade is used for realizing cutting, so that when the cutter head is not mounted, the handle can still be used for realizing hole milling, and meanwhile, the handle cannot collide with a product when a deep hole is machined.
The utility model is further arranged such that the outer diameter of the shank is not smaller than the outer diameter of the head.
In the technical scheme, the outer diameter of the handle is not smaller than the outer diameter of the head, so that the blade can realize the functions of the blade.
The utility model discloses a ball-end cutter with a replaceable cutter head, which is compared with the prior art:
1. The utility model is divided into the handle part and the head part, so that the ball cutter can be replaced or maintained by disassembling the head part without disassembling the cutter handle and the cutter head;
2. The utility model also enables the shank to be used for milling functions when the head is not mounted and enables deep holes in the ball bottom to be machined by providing the mounting groove and the insert on the shank.
Drawings
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is a schematic view of the handle of the present utility model;
FIG. 3 is a schematic bottom view of the handle of the present utility model;
fig. 4 is a schematic view of the head of the present utility model.
The corresponding parts designations in the figures and letters are 10-shank, 101-connecting slot, 102-first connecting hole, 103-mounting slot, 20-nose, 201-cutting edge, 202-junk slot, 203-connecting block, 204-second connecting hole, 205-limit step, 30-connecting bolt and 40-blade.
Detailed Description
The following describes in detail the examples of the present utility model, which are implemented on the premise of the technical solution of the present utility model, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present utility model is not limited to the following examples.
As shown in fig. 1-4, the ball-end cutter capable of replacing a cutter head provided by the utility model comprises a handle 10 and a head 20, wherein the handle 10 is provided with a connecting groove 101 and a plurality of first connecting holes 102, the connecting groove 101 is arranged at the center of the bottom surface of the handle 10, the first connecting holes 102 penetrate through the handle 10 and are communicated with the connecting groove 101, the head 20 is provided with a cutting edge 201, a chip removing groove 202 and a connecting block 203, the connecting block 203 corresponds to the connecting groove 101 in size, the connecting block 203 is further provided with a plurality of second connecting holes 204, and further comprises a plurality of connecting bolts 30, and the connecting bolts 30 penetrate through the first connecting holes 102 and the second connecting holes 204. The number of the first connecting holes 102, the second connecting holes 204 and the connecting bolts 30 is identical, preferably four, the four first connecting holes 102 are uniformly arranged, the central axis of the first connecting holes 102 does not point to the central axis of the handle 10, the first connecting holes 102 are smooth holes, the second connecting holes 204 are threaded holes, the connecting blocks 203 are coincident with the central axis of the head 20, the cross section of the connecting groove 101 is rectangular, and the cross section of the connecting blocks 203 is rectangular, so that relative rotation of the two connecting blocks after assembly is avoided.
As shown in fig. 1-4, in the ball-end cutter with replaceable cutter head provided by the utility model, the cutting edge 201 and the chip groove 202 are arranged at intervals, and the cutting edge 201 is arc-shaped. Preferably, the number of the cutting edges 201 is four, and the number of the junk slots 202 is also four.
As shown in fig. 1-4, in the ball-end cutter with replaceable cutter head according to the present utility model, the connection block 203 is further provided with a limiting step 205, and the size of the limiting step 205 is larger than that of the connection groove 101. Wherein, the limit step 205 is annular, and the outer diameter thereof is larger than the diagonal dimension of the connecting groove 101.
As shown in fig. 1-4, the utility model provides a ball-end cutter with replaceable cutter head, the handle 10 is further provided with a plurality of mounting grooves 103, and the mounting grooves 103 are detachably and fixedly provided with blades 40. The first connecting hole 102 is located in the mounting groove 103, and the first connecting hole 102 is a stepped hole, and the outer diameter of the first connecting hole is larger, so that after the connecting bolt 30 is matched with the second connecting hole 204, the end of the connecting bolt 30 does not protrude into the mounting groove 103, and the connecting bolt 30 is prevented from interfering with the mounting and dismounting of the blade 40.
As shown in fig. 1-4, the outer diameter of the shank 10 is not smaller than the outer diameter of the head 20, and the present utility model provides a ball-end cutter with replaceable cutter heads. Wherein the outside diameter of the nose portion 20 has a value of the vertical distance of the cutting edge 201 furthest from the central axis of the nose portion 20, and the outside diameter of the shank portion 10 has a value of the vertical distance of the blade 40 furthest from the central axis of the shank portion 10.
The working principle of the utility model is as follows:
a) Mounting a handle part and the cutterhead;
b) Assembling a mounting block of the head with a mounting groove of the handle;
c) The connecting bolt passes through the first connecting hole and is in threaded connection with the second connecting hole;
d) The handle and the head are marked to ensure the coaxiality of the handle and the head;
e) And (5) screwing the connecting bolt.
The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (5)
1. The bulb cutter capable of replacing a cutter head is characterized by comprising a handle part (10) and a head part (20), wherein the handle part (10) is provided with a connecting groove (101) and a plurality of first connecting holes (102), the connecting groove (101) is arranged at the central position of the bottom surface of the handle part (10), the first connecting holes (102) penetrate through the handle part (10) and are communicated with the connecting groove (101), the head part (20) is provided with a cutting edge (201), a chip removing groove (202) and a connecting block (203), the connecting block (203) corresponds to the connecting groove (101) in size, a plurality of second connecting holes (204) are further arranged on the connecting block (203), and the bulb cutter further comprises a plurality of connecting bolts (30), and the connecting bolts (30) penetrate through the first connecting holes (102) and the second connecting holes (204).
2. The ball-end cutter with replaceable cutter head according to claim 1, wherein the cutting edge (201) and the chip groove (202) are arranged at intervals, and the cutting edge (201) is arc-shaped.
3. The ball-end cutter with replaceable cutter head according to claim 2, wherein the connecting block (203) is further provided with a limiting step (205), and the size of the limiting step (205) is larger than that of the connecting groove (101).
4. A ball-end cutter with replaceable cutter head according to claim 3, wherein the handle (10) is further provided with a plurality of mounting grooves (103), and the blades (40) are detachably and fixedly arranged in the mounting grooves (103).
5. A ball end cutter with replaceable cutter head according to claim 4, wherein the outer diameter of the shank (10) is not smaller than the outer diameter of the head (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421245482.2U CN222448415U (en) | 2024-06-03 | 2024-06-03 | Bulb sword of removable tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421245482.2U CN222448415U (en) | 2024-06-03 | 2024-06-03 | Bulb sword of removable tool bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222448415U true CN222448415U (en) | 2025-02-11 |
Family
ID=94457572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421245482.2U Active CN222448415U (en) | 2024-06-03 | 2024-06-03 | Bulb sword of removable tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222448415U (en) |
-
2024
- 2024-06-03 CN CN202421245482.2U patent/CN222448415U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |