CN216325659U - Multifunctional clamping cutter bar with replaceable bar head - Google Patents
Multifunctional clamping cutter bar with replaceable bar head Download PDFInfo
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- CN216325659U CN216325659U CN202121799306.XU CN202121799306U CN216325659U CN 216325659 U CN216325659 U CN 216325659U CN 202121799306 U CN202121799306 U CN 202121799306U CN 216325659 U CN216325659 U CN 216325659U
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Abstract
The utility model provides a multifunctional clamping cutter bar with a replaceable bar head, which is characterized in that the cutter bar is divided into a fixed bar and a cutter shell, 2n clamping grooves are formed in the cutter shell, a column head is arranged in the fixed bar, the fixed bar is clamped in the clamping grooves through the column head and is connected with the cutter shell, the whole cutter bar can be prolonged, and the adaptability is strong; still set up the knife rest of perforation B on the dead lever, and set up perforation C in the pole head bottom, perforation B department is connected with outside suit spring B's kelly, the pole head passes perforation B through the kelly, perforation C is connected with the knife rest on the dead lever, when using, operating personnel pulling kelly makes it shift out and just can change the pole head after the perforation C, loosen the kelly after the change is accomplished, the kelly receives spring B's elasticity influence just can retrieve and accomplish the locking and fix the pole head, high durability and convenient installation, it is quick to change the pole head, the pole head is connected with the cutter arbor and adopts the kelly card to block at perforation B in addition, perforation C this mode can avoid because the condition of the smooth silk influence assembly of screw hole.
Description
Technical Field
The utility model relates to the technical field of tapping cutter bars, in particular to a multifunctional clamping cutter bar with a replaceable bar head.
Background
In reality, screw taps with different specifications and sizes need to be machined, the existing screw taps and the tool bars of the screw taps are integrally arranged, if the tip of the screw tap is worn after long-term use, the screw tap needs to be replaced, tool cost is high, and the screw tap with the integrated structure of the tool bar and the tool head occupies a large space and is inconvenient to manage;
the patent number CN209969798U provides a tapping cutter bar with a replaceable cutter bar head, which is characterized in that the cutter bar head and the cutter bar are arranged in a split manner and are assembled and connected by screws, so that the waste caused by the whole replacement due to the loss of the cutter bar head can be reduced, but the cutter bar has a fixed length, only can process the fixed depth of a workpiece, and can affect the use due to insufficient size when processing deeper positions, so that the applicability is low; in addition, the screw assembly is adopted, so that the operation is complicated, the installation efficiency is influenced, the thread sliding condition of the threaded hole is easy to occur after the rod head is disassembled and assembled for many times, and the use is influenced because the rod head cannot be successfully connected with the cutter bar at the moment.
Disclosure of Invention
According to the technical problem, the utility model provides a multifunctional clamping cutter bar with a replaceable bar head, which is characterized by comprising a cutter shell, a fixed bar, a bar head and a cutter frame, wherein a sliding groove is formed in the upper side of the cutter shell, the fixed bar is clamped in the cutter shell and penetrates through the sliding groove, the cutter frame is installed on the upper side of the fixed bar, and the bar head is installed on the cutter frame.
Furthermore, the fixing rod is of a hollow structure, a through hole A is transversely formed in the bottom end of the fixing rod, a column head penetrates through the through hole A, a spring A is sleeved outside the column head, a top plate is arranged at the inner end of the column head, and the spring A is arranged between the top plate and the inner wall of the fixing rod;
the two sides of the cutter shell are provided with 2n clamping grooves, n is more than or equal to 2, and the 2n clamping grooves are distributed on the cutter shell from top to bottom;
the fixed rod is clamped in the clamping groove through a column head and connected with the cutter shell.
Furthermore, two ends of the spring A are respectively connected with the top plate and the inner wall of the fixed rod in a welding mode.
Further, the knife rest is connected with the fixing rod in a welding mode.
Furthermore, a through hole B is transversely formed in the knife rest, a clamping rod is installed at the through hole B, a through hole C is transversely formed in the bottom end of the rod head, and the rod head penetrates through the through hole B and the through hole C through the clamping rod and is connected with the knife rest.
The clamping rod is sleeved with a spring B, one side of the spring B is welded outside the tool rest, and the other side of the spring B is welded on the inner side of the clamping rod.
The utility model has the beneficial effects that: according to the utility model, the cutter bar is divided into the fixed rod and the cutter shell, 2n clamping grooves are formed in the cutter shell, the column cap is arranged in the fixed rod, the fixed rod is clamped in the clamping grooves through the column cap to be connected with the cutter shell, the whole cutter bar can be prolonged, the adaptability is strong, when the length of the cutter bar needs to be prolonged, the cutter bar can be butted to the clamping grooves at corresponding positions only by pressing the column cap, the prolonging operation can be completed, and the use is convenient; in addition, a spring A is sleeved outside the column head, the inner end of the column head is connected with a top plate, two ends of the spring A are respectively welded with the top plate and the inner wall of the fixed rod, the spring A can form a pulling force between the top plate and the inner wall of the fixed rod, when the column head is not pressed, the spring A is automatically tightened, the column head is ensured not to be easily recovered to cause disengagement and locking, and further the extended cutter bar is ensured to be normally used;
the utility model also installs a knife rest with a through hole B on the fixed rod, and sets a through hole C at the bottom end of the rod head, the through hole B is connected with a clamping rod with a spring B sleeved outside, the rod head passes through the through hole B and the through hole C through the clamping rod and is connected with the knife rest on the fixed rod, when in use, an operator pulls the clamping rod to move out of the through hole C to replace the rod head, the clamping rod is loosened after the replacement is finished, the clamping rod can be recovered and locked to fix the rod head under the influence of the elasticity of the spring B, the installation is convenient, the replacement of the rod head is rapid, in addition, the connection of the rod head and the knife rest adopts the mode that the clamping rod is clamped in the through hole B and the through hole C, and the condition that the assembly is influenced by the thread sliding of the threaded hole can be avoided.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
As shown in figure 1, a knife shell; 2. a card slot; 3. a chute; 4. fixing the rod; 5. a column cap; 6. a top plate; 7. A spring A; 8. a tool holder; 9. a clamping rod; 10. a spring B; 11. a club head.
Detailed Description
Example 1
The utility model provides a multifunctional clamping cutter bar with a replaceable bar head, which is characterized by comprising a cutter shell 1, a fixed rod 4, a bar head 11 and a cutter frame 8, wherein the upper side of the cutter shell 1 is provided with a sliding groove 3, the fixed rod 4 is clamped in the cutter shell 1, the fixed rod 4 penetrates through the sliding groove 3, the cutter frame 8 is arranged on the upper side of the fixed rod 4, and the bar head 11 is arranged on the cutter frame 8.
Further, the fixing rod 4 is of a hollow structure, a through hole A is transversely formed in the bottom end of the fixing rod 4, a column head 5 penetrates through the through hole A, a spring A7 is sleeved outside the column head 5, a top plate 6 is installed at the inner end of the column head 5, and a spring A7 is arranged between the top plate 6 and the inner wall of the fixing rod 4;
the two sides of the cutter shell 1 are provided with clamping grooves 2, the number of the clamping grooves 2 is 2n, n is more than or equal to 2, and the 2n clamping grooves 2 are distributed on the cutter shell 1 from top to bottom;
the fixed rod 4 is clamped in the clamping groove 2 through a column head 5 and is connected with the knife shell 1.
Furthermore, two ends of the spring A7 are respectively connected with the top plate 6 and the inner wall of the fixed rod 4 in a welding mode.
Further, the knife rest 8 is welded with the fixing rod 4.
Furthermore, a through hole B is transversely formed in the tool rest 8, a clamping rod 9 is installed at the through hole B, a through hole C is transversely formed in the bottom end of the rod head 11, and the rod head 11 penetrates through the through hole B and the through hole C through the clamping rod 9 to be connected with the tool rest 8.
The clamping rod 9 is externally sleeved with a spring B10, one side of the spring B10 is welded outside the knife rest 8, and the other side of the spring B10 is welded inside the clamping rod 9.
Example 2
When the tool case is used, the overall length of the tool case 1 and the fixed rod 4 is adjusted according to the depth of a workpiece to be machined, the column head 5 in the tool case 1 is pressed firstly, the column head 5 moves inwards to drive the top plate 6 to move inwards, the top plate 6 stretches the spring A7, then the column head 5 moves out of the clamping groove 2, at the moment, an operator pulls the fixed rod 4 upwards, when the through hole A of the fixed rod 4 corresponds to the clamping groove 2 on the upper side of the original position in the left-right direction, the outer end of the column head 5 is not shielded, at the moment, the spring A7 rebounds due to the elasticity and further pulls the top plate 6 outwards, then the top plate 6 pulls the column head 5 to penetrate out of the clamping groove 2, at the moment, the overall length formed by connecting the fixed rod 4 and the tool case 1 is prolonged, then the prolonged tool case 1 and the fixed rod 4 can be taken to machine the workpiece, and the adaptability is high; when dismantling the club head 11, the outside pulling kelly 9 of operating personnel, kelly 9 extension spring B10 this moment, when kelly 9 breaks away from perforation B, perforation C, the club head 11 can be taken off and then change from the knife rest 8 of dead lever 4, and operating personnel loosens kelly 9 after inserting new club head 11, and kelly 9 receives the elasticity of spring B10 to retrieve and accomplishes the locking and then fix club head 11, and whole change is quick.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A multifunctional clamping cutter bar with a replaceable bar head is characterized by comprising a cutter shell, a fixed rod, a bar head and a cutter frame, wherein a sliding groove is formed in the upper side of the cutter shell;
the fixing rod is of a hollow structure, a through hole A is transversely formed in the bottom end of the fixing rod, a column head penetrates through the through hole A, a spring A is sleeved outside the column head, a top plate is arranged at the inner end of the column head, and the spring A is arranged between the top plate and the inner wall of the fixing rod;
the two sides of the cutter shell are provided with 2n clamping grooves, n is more than or equal to 2, and the 2n clamping grooves are distributed on the cutter shell from top to bottom;
the fixed rod is clamped in the clamping groove through a column head and connected with the cutter shell.
2. The multifunctional clamping cutter bar with the replaceable rod head as claimed in claim 1, wherein two ends of the spring A are respectively welded with the top plate and the inner wall of the fixed rod.
3. The multifunctional clamping cutter bar with the replaceable rod head as claimed in claim 1, wherein the cutter holder is welded to the fixing rod.
4. The multifunctional clamping cutter bar with the replaceable rod head as claimed in claim 1, wherein the cutter holder is transversely provided with a through hole B, the through hole B is provided with a clamping rod, the bottom end of the rod head is transversely provided with a through hole C, and the rod head is connected with the cutter holder by the clamping rod passing through the through hole B and the through hole C.
5. The multifunctional clamping cutter bar with the replaceable rod head as claimed in claim 4, wherein a spring B is sleeved outside the clamping rod, one side of the spring B is welded outside the cutter holder, and the other side of the spring B is welded inside the clamping rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121799306.XU CN216325659U (en) | 2021-08-02 | 2021-08-02 | Multifunctional clamping cutter bar with replaceable bar head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121799306.XU CN216325659U (en) | 2021-08-02 | 2021-08-02 | Multifunctional clamping cutter bar with replaceable bar head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216325659U true CN216325659U (en) | 2022-04-19 |
Family
ID=81168397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121799306.XU Active CN216325659U (en) | 2021-08-02 | 2021-08-02 | Multifunctional clamping cutter bar with replaceable bar head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216325659U (en) |
-
2021
- 2021-08-02 CN CN202121799306.XU patent/CN216325659U/en active Active
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