Slotting cutter with plug-in type cutter head
By designing the toothed knife for plug-in cutting head, the existing toothed knife replacement cost and waste of materials are solved, and the convenience and material savings of only changing the tool head during replacement is achieved, while improving the stability and precision of the tool head.
Patent Information
- Application Number
- CN202421784866.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The cutting head material of existing toothed knives is expensive, and when the cutting head is damaged, it needs to be replaced as a whole, resulting in high costs and waste of materials.
A toothed knife with a plug-in blade is designed, and the blade head is connected to the handle through a plug-in. When the blade head is damaged, you only need to change the blade head without changing the handle. The stable locking of the blade head is achieved through the design of the fixing parts and the connecting column.
Reduces the cost of replacing the toothed knife, avoids material waste, and improves the stability and precision of the blade head in the handle.
Smart Images
Figure CN222856917U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of gear processing tools, and in particular to a gear shaping cutter with a plug-in cutter head. Background Art
[0002] A gear shaping cutter is a gear or rack gear machining tool. It is used to machine internal and external meshing spur and helical cylindrical gears using the generating method.
[0003] With respect to the above-mentioned related technologies, the inventors believe that the material of the gear shaping cutter is expensive. When the cutter head of the gear shaping cutter is damaged, the shank and the cutter head need to be discarded as a whole, resulting in high cost for replacing the gear shaping cutter and waste of materials. Utility Model Content
[0004] In order to improve the problem of high cost and waste of materials in replacing the entire gear shaping cutter, the present application provides a gear shaping cutter with a plug-in cutter head.
[0005] The present application provides a gear shaping cutter with a plug-in cutter head adopts the following technical solution:
[0006] A gear shaping cutter with a plug-in cutter head comprises a cutter handle and a cutter head, wherein a mounting cavity is formed at one end of the cutter handle, a connecting column is integrally formed on the cutter head, and the connecting column is plugged into the mounting cavity, a fixing hole is formed on the side wall of the cutter handle, and the fixing hole is connected to the mounting cavity, and the connecting column is locked in the mounting cavity by a fixing piece.
[0007] By adopting the above technical solution, when the cutter head of the gear shaping cutter is damaged, it is necessary to remove the fixing part from the installation cavity, and then pull the cutter head out of the installation cavity to the side away from the tool handle. When replacing the cutter head, the cutter head is inserted into the installation cavity. Only the cutter head needs to be replaced, and there is no need to replace the tool handle. Compared with replacing the entire integrated gear shaping cutter, this solution saves costs and reduces waste of raw materials.
[0008] Optionally, a groove is provided on the connecting column, a guide slope is provided in the inner cavity of the groove, the fixing piece is locked in the fixing hole, one end of the fixing piece passes through the fixing hole and extends into the groove, the fixing piece is a bolt, and the end of the bolt extending into the groove is in the shape of a cone.
[0009] By adopting the above technical solution, the bolt passes through the fixing hole, and the bolt locks the cutter head in the fixing hole. The conical side surface of one end of the bolt is adapted to the guide inclined surface of the groove, and the connecting column is pulled toward the end toward the tool handle, thereby improving the stability of the gear shaping cutter of the plug-in cutter head.
[0010] Optionally, the connecting column is shaped like a truncated cone, and the end of the connecting column with a smaller diameter is inserted into the installation cavity.
[0011] By adopting the above technical solution, the shape of the installation cavity is adapted to the shape of the connecting column, the axis of the installation cavity is collinear with the axis of the connecting column, the axis of the cutter head is collinear with the axis of the tool handle, and the guide of the cutter head and the tool handle is symmetrical, which improves the stability and precision of the gear shaping cutter after installation.
[0012] Optionally, a slot is provided on an inner wall of the installation cavity, and a transition protrusion is provided on one side of the connecting column, and the transition protrusion abuts against the slot.
[0013] By adopting the above technical solution, when the cutter head is inserted into the installation cavity, the transition protrusion will abut against the inside of the slot, thereby improving the stability of the gear shaping cutter.
[0014] Optionally, an edge of the connecting column is provided with a chamfer.
[0015] By adopting the above technical solution, when inserting the connecting post of the cutter head, the sharp part of the edge of the installation post can be prevented from scratching the skin of the operator.
[0016] Optionally, the cutter head is provided with a weight-reducing groove.
[0017] By adopting the above technical solution, the weight of the gear shaping cutter head is reduced, and the overall weight of the gear shaping cutter is reduced, which makes it easier for operators to remove the gear shaping cutter from the gear shaping machine during the gear manufacturing process and further facilitates the operators to replace the gear shaping cutter head.
[0018] Optionally, one side edge of the cutter head is provided with a second chamfer.
[0019] By adopting the above technical solution, when the cutter head of the gear shaping cutter is damaged, it is necessary to extract the fixing part from the installation cavity, and then pull the cutter head out of the installation cavity to the side away from the tool handle. When replacing the cutter head, the cutter head is inserted into the installation cavity and the fixing part is locked in the fixing hole. When the operator replaces the cutter head, the risk of being scratched by the sharp edge of the cutter head can be reduced, thereby improving the safety of the operator when using the gear shaping cutter.
[0020] In summary, this application includes at least one of the following beneficial technical effects:
[0021] 1. The cutter head and the shank are connected by plugging. When the cutter head of the gear shaping cutter is damaged, only the cutter head needs to be replaced without replacing the shank and cutter head, which reduces the cost of replacing the gear shaping cutter and reduces material waste.
[0022] 2. The shape of the mounting cavity matches the shape of the connecting column of the cutter head, which improves the stability and accuracy of the cutter head in the tool handle;
[0023] 3. The frustum-shaped side surface of one end of the bolt matches the guide bevel of the groove, which improves the stability and precision of the cutter head in the handle;
[0024] 4. When the operator replaces the cutter head, the risk of the skin being scratched by the sharp edge of the cutter head can be reduced, thereby improving the safety of the operator when replacing the gear shaping cutter. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0026] Figure 1 It is a schematic diagram of the main structure of the utility model.
[0027] Figure 2 It is a cross-sectional view of the gear shaping cutter of the plug-in cutter head.
[0028] Figure numerals: 1. shank; 2. cutter head; 3. mounting cavity; 4. connecting column; 5. fixing hole; 6. fixing piece; 7. groove; 8. slot; 9. transition protrusion; 10. chamfer 1; 11. weight-reducing groove; 12. chamfer 2; 13. shank head; 14. shank rod; 15. cavity. DETAILED DESCRIPTION
[0029] The following is combined with Figure 1-2 This application is described in further detail.
[0030] The embodiment of the present application discloses a gear shaping cutter with a plug-in cutter head.
[0031] Reference Figure 1 A gear shaping cutter with an insertable cutter head includes a handle 1 and a cutter head 2. The handle 1 includes an integrally formed handle head 13 and a handle rod 14. The cross-sectional area of the handle head 13 is larger than that of the handle rod 14. The handle head 13 is truncated in shape. A cavity 15 is defined on the side of the handle head 13 away from the handle rod 14. The cavity 15 reduces the weight of the gear shaping cutter and reduces the cost of raw materials.
[0032] Reference Figure 1 and Figure 2The end of the shank rod 14 away from the shank head 13 is provided with a mounting cavity 3 for accommodating the cutter head 2, and the end of the shank rod 14 away from the shank head 13 is provided with a fixing hole 5, which is connected to the interior of the mounting cavity 3. The fixing hole 5 is threadedly connected to a fixing part 6, which is a bolt. The end of the bolt extending into the groove 7 is truncated cone-shaped, and the truncated cone-shaped side surface of the bolt end is adapted to the guide slope of the groove 7. Pull the connecting column 4 toward the end of the shank 1, and the bolt positions and locks the connecting column 4 in the mounting cavity 3. When the cutter head 2 of the gear shaping cutter is damaged, it is necessary to unscrew the bolt from the fixing hole 5, and then pull the cutter head 2 out of the mounting cavity 3 to the side away from the shank 1. When replacing the cutter head 2, insert the cutter head 2 into the mounting cavity 3, rotate the cutter head 2, adjust the position of the groove 7 to be connected with the fixing hole 5, pass the bolt through the fixing hole 5 and screw it into the groove 7, which plays the role of fixing and positioning the cutter head 2. The shape of the connecting post 4 matches the shape of the mounting cavity 3, aligning the axis of the cutter head 2 with the axis of the shank 1, thereby improving the stability of the gear shaping cutter. If the gear shaping cutter is damaged, only the cutter head 2 needs to be replaced, not the entire cutter. This reduces the cost of replacing the cutter and reduces material waste.
[0033] Reference Figure 2 A slot 8 is provided on the inner wall of the mounting cavity 3, and a transition protrusion 9 is provided on the connecting column 4. The transition protrusion 9 abuts against the slot 8, thereby improving the stability of the integrated gear shaping cutter. A chamfer 10 is provided on the edge of the connecting column 4 to prevent the sharp part of the edge of the connecting column 4 from scratching the operator's skin when plugging in the connecting column 4. A chamfer 12 is provided on one side of the cutter head 2 to prevent the edge of the cutter head from scratching the operator's skin when removing and installing the cutter head 2. In order to reduce the weight of the cutter head 2 and save materials, a weight-reducing groove 11 is provided on the cutter head 2, which reduces the weight of the cutter head 2 and saves the material cost of the gear shaping cutter.
[0034] The working principle of the gear shaping cutter with a plug-in cutter head 2 of the present embodiment is as follows: when the cutter head 2 of the gear shaping cutter is damaged, it is necessary to unscrew the bolt from the fixing hole 5, and then pull the cutter head 2 out of the mounting cavity 3 to the side away from the tool handle 1. When replacing the cutter head 2, the cutter head 2 is inserted into the mounting cavity 3, the position of the rotating groove 7 is connected to the fixing hole 5, and the bolt is passed through the fixing hole 5 and screwed into the groove 7 to complete the replacement.
[0035] Unless otherwise defined, the technical or scientific terms used in this application shall have the usual meanings understood by persons of ordinary skill in the field to which this application belongs. The words "first", "second", "third" and similar terms used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "one" or "a" do not indicate a quantity limitation, but rather indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before "include" or "comprises" cover the elements or objects listed after "include" or "comprises" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0036] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.
Claims
1. A slotted cutter head gear shaping cutter, comprising a cutter handle (1) and a cutter head (2), characterized in that: A mounting cavity (3) is provided at one end of the knife handle (1); a connecting column (4) is integrally formed on the knife head (2); the connecting column (4) is inserted into the mounting cavity (3); a fixing hole (5) is provided on the side wall of the knife handle (1); and the connecting column (4) is locked in the mounting cavity (3) via a fixing member (6).
2. The gear shaping cutter with a plug-in cutter head according to claim 1, characterized in that: The connecting column (4) is provided with a groove (7), the inner cavity of the groove (7) is provided with a guide inclined surface, the fixing member (6) is locked in the fixing hole (5), and one end of the fixing member (6) passes through the fixing hole (5) and extends into the groove (7).
3. The gear shaping cutter with a plug-in cutter head according to claim 2, characterized in that: The fixing member (6) is a bolt, and one end of the bolt extending into the groove (7) is in the shape of a truncated cone.
4. The gear shaping cutter with a plug-in cutter head according to claim 1, characterized in that: The connecting column (4) is truncated cone-shaped, and the end of the connecting column (4) with a smaller diameter is inserted into the installation cavity (3).
5. The gear shaping cutter with a plug-in cutter head according to claim 1, characterized in that: The inner wall of the installation cavity (3) is provided with a slot (8), and the connecting column (4) is provided with a transition protrusion (9), and the transition protrusion (9) abuts against the slot (8).
6. The gear shaping cutter with a plug-in cutter head according to claim 1, characterized in that: The edge of the connecting column (4) is provided with a chamfer (10).
7. The gear shaping cutter with a plug-in cutter head according to claim 1, characterized in that: The cutter head (2) is provided with a weight-reducing groove (11).
8. The gear shaping cutter with a plug-in cutter head according to claim 1, characterized in that: A second chamfer (12) is provided on one side edge of the cutter head (2).