A tool holder device

Abstract

The utility model relates to clamping device technical field, especially a tool holder device, the main sleeve main stem is used for driving the mandril to move along the length direction of conical sleeve, the one end of mandril away from main stem installs dog, and dog can slide along the radial of mandril, and dog one side passes through the bar slot and is in contact with the inner wall of conical cover. By rotating main stem to drive mandril to move along the length direction of conical sleeve, when needing to clamp drill rod, main stem drives mandril to move to the small mouth end of conical sleeve, makes mandril drive dog to move, and dog is in contact with the inner wall of conical cover, is extruded by the inner wall of conical cover in the dog moving process, makes dog to move along the length direction of conical sleeve and slide along the radial of mandril, thereby realizes radial clamping, realizes the clamping of cutting tool, if needing to loosen drill rod, main stem drives mandril to move to the big mouth end of conical sleeve, can realize the loosening of cutting tool, and its operation is convenient, and the drill rod is changed rapidly, has improved production efficiency greatly.

Description

Technical Field

[0001] This utility model relates to the field of clamping device technology, and in particular to a tool holder chuck device. Background Technology

[0002] Traditional wrench-type chucks are commonly used tool clamping devices in machining, primarily for mounting and securing rotating tools such as drills and reamers. With their simple and reliable mechanical structure, traditional wrench-type chucks still have some application value in low-precision, low-power machining scenarios. However, as the manufacturing industry moves towards higher precision and higher efficiency, their limitations are becoming increasingly apparent. For example, during operation, wrench-type chucks require multiple rotations of a wrench to complete the clamping or loosening operation, resulting in long tool change times and impacting batch production efficiency. Utility Model Content

[0003] The purpose of this invention is to provide a tool holder chuck device to address the problem of long tool changing time and reduced mass production efficiency caused by wrench-type chucks in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A tool holder chuck device includes a conical cover, a main sleeve, a main rod, a spindle, and chucks. The main sleeve includes a conical sleeve and a connecting sleeve connected to each other. A strip groove is formed on the conical sleeve. The conical cover is sleeved on the outside of the conical sleeve.

[0006] The mandrel is located inside the tapered sleeve, and the main rod is located inside the connecting sleeve. The main rod is used to drive the mandrel to move along the length direction of the tapered sleeve.

[0007] The claw is installed at the end of the mandrel away from the main rod. The claw can slide radially along the mandrel, and one side of the claw passes through the strip groove and contacts the inner wall of the conical cover.

[0008] Preferably, the mandrel includes a threaded post and a frustum coaxially arranged, and the chuck is capable of sliding radially along the frustum.

[0009] The main rod has interconnected threaded holes and a connecting shaft cavity inside, and the threaded column is threadedly connected to the threaded hole.

[0010] Preferably, the frustum portion includes a circular base plate and an annular plate surrounding the circular base plate, with a receiving cavity formed between the annular plate and the circular base plate, and a sliding groove provided on the annular plate, the sliding groove communicating with the receiving cavity;

[0011] The claw includes a main board, with an inclined plate on the side of the main board near the conical cover, a clamping plate on the side of the main board away from the conical cover, and a sliding plate at the bottom of the main board;

[0012] The slide plate is located in the groove, the clamp is located in the receiving cavity, and the inclined plate passes through the strip groove and contacts the inner wall of the conical cover.

[0013] Preferably, the bottom of the chute is provided with a limiting groove;

[0014] A limiting plate is provided at the bottom of the skateboard, and the limiting plate slides within the limiting groove.

[0015] Preferably, the strip grooves are spaced apart circumferentially around the conical sleeve.

[0016] Preferably, the number of the strip grooves is not less than three;

[0017] The number of the jaws is the same as the number of the slots.

[0018] Preferably, it further includes a retainer, the retainer including a first sleeve, the outer wall of the first sleeve being threadedly connected to the inner wall of the main sleeve;

[0019] The inner wall of the first sleeve is threadedly connected to the outer wall of the main rod.

[0020] Preferably, the sleeve further includes a baffle, which is continuously arranged around the first sleeve in the circumferential direction;

[0021] The baffle is used to abut against the end of the main sleeve away from the conical cover.

[0022] Preferably, it further includes a clamping sleeve, which is sleeved on the main rod and abuts against the end of the ferrule away from the main sleeve.

[0023] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0024] The tool holder chuck device of this application, through the cooperative design of a conical cover, a main sleeve, a main rod, a mandrel, and chucks, rotates the main rod to drive the mandrel to move along the length of the conical sleeve. When it is necessary to clamp the drill rod, the main rod drives the mandrel to move towards the small end of the conical sleeve, causing the mandrel to move the chucks. The chucks contact the inner wall of the conical cover and are squeezed by the inner wall of the conical cover during the movement of the chucks. This causes the chucks to slide radially along the mandrel while moving along the length of the conical sleeve, thereby achieving radial clamping and clamping the tool. When it is necessary to release the drill rod, the main rod drives the mandrel to move towards the large end of the conical sleeve, thereby releasing the tool. It is easy to operate, allows for quick drill rod replacement, and greatly improves production efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this application.

[0026] Figure 2 This is a cross-sectional view of this application.

[0027] Figure 3 This is a schematic diagram omitting the conical cap.

[0028] Figure 4 yes Figure 3 The left-side view.

[0029] Figure 5 This is a schematic diagram of the main sleeve.

[0030] Figure 6 This is a sectional view of the main sleeve.

[0031] Figure 7 This is a schematic diagram of the engagement between the spindle and the jaws.

[0032] Figure 8 This is a 3D illustration of the chuck claw. Figure 1 .

[0033] Figure 9 This is a 3D illustration of the chuck claw. Figure 2 .

[0034] Figure 10 This is a three-dimensional schematic diagram of the mandrel.

[0035] Figure 11 This is a 3D diagram of the card holder.

[0036] Marked in the image:

[0037] 1- Conical cap,

[0038] 2-Main sleeve, 21-Conical sleeve, 22-Connecting sleeve, 23-Strip groove, 24-Annular step

[0039] 3-Main rod, 31-Threaded hole, 32-Coupling cavity,

[0040] 4-Mandrel, 41-Threaded post, 42-Frustum, 421-Annular plate, 422-Circular base plate, 423-Groove, 424-Limiting groove, 425-Receiving cavity

[0041] 5-Claw, 51-Main board, 52-Slope plate, 53-Clamping plate, 54-Skateboard, 55-Limiting plate

[0042] 6-Clip sleeve, 61-First sleeve, 62-Baffle,

[0043] 7-Clamping sleeve. Detailed Implementation

[0044] The present invention will be further described in detail below with reference to experimental examples and specific embodiments. However, this should not be construed as limiting the scope of the above-mentioned subject matter of the present invention to the following embodiments. All technologies implemented based on the content of the present invention fall within the scope of the present invention.

[0045] Unless otherwise specified, the use of terms such as "upper," "lower," "left," "right," "center," "inner," and "outer" to indicate orientation or positional relationships in the description of specific embodiments of the present invention is based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationship in which the product / equipment / device is typically placed during use. These terms are merely for the purpose of facilitating the description of the present invention or simplifying the description in specific embodiments, enabling those skilled in the art to quickly understand the solution, and do not indicate or imply that a particular device / component / element must have a specific orientation, or be constructed and operated in a specific positional relationship. Therefore, they should not be construed as limitations on the present invention.

[0046] Furthermore, the use of terms such as "horizontal," "vertical," "suspended," and "parallel" does not imply that the corresponding device / component / element must be absolutely horizontal, vertical, suspended, or parallel, but rather that it can be slightly tilted or have a deviation. For example, "horizontal" merely means that its direction is more horizontal relative to "vertical," not that the structure must be completely horizontal, but that it can be slightly tilted. Alternatively, it can be simplified to mean that the corresponding device / component / element, when set in a "horizontal," "vertical," "suspended," or "parallel" direction, can have an error / deviation of ±10% relative to the corresponding direction, more preferably within ±8%, more preferably within ±6%, more preferably within ±5%, and more preferably within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its function in the present invention.

[0047] Furthermore, the use of terms such as "first," "second," "third," etc. in terminology is merely for distinguishing identical or similar components and should not be interpreted as emphasizing or implying the relative importance of a particular component.

[0048] Furthermore, in the description of the embodiments of the present invention, "several", "more than", and "a number of" represent at least two. The number can be any number, such as 2, 3, 4, 5, 6, 7, 8, or 9, and can even exceed nine.

[0049] Furthermore, in the description of the technical solution of this invention, unless otherwise explicitly specified / limited / restricted, the terms "set up," "install," "connect," "link," "provided with," "laid out," and "arranged" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to common connection methods in the art, such as welding, riveting, bolting, and threaded connections. Such connections can be mechanical, electrical, or communication connections; they can be direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components.

[0050] Example 1

[0051] like Figures 1-11 As shown, the tool holder chuck device described in this embodiment includes a conical cover 1, a main sleeve 2, a main rod 3, a spindle 4, and a chuck 5. The main sleeve 2 includes a conical sleeve 21 and a connecting sleeve 22 connected to each other. A strip groove 23 is provided on the conical sleeve 21, and the conical cover 1 is sleeved on the outside of the conical sleeve 21.

[0052] The mandrel 4 is located inside the tapered sleeve 21, and the main rod 3 is located inside the connecting sleeve 22. The main rod 3 is used to drive the mandrel 4 to move along the length of the tapered sleeve 21.

[0053] A pawl 5 is installed at the end of the spindle 4 away from the main rod 3. The pawl 5 can slide radially along the spindle 4, and one side of the pawl 5 passes through the strip groove 23 and contacts the inner wall of the conical cover 1.

[0054] Through the coordinated design of the conical cover 1, main sleeve 2, main rod 3, mandrel 4, and chuck 5, the main rod 3 is rotated to drive the mandrel 4 to move along the length of the conical sleeve 21. When it is necessary to clamp the drill rod, the main rod 3 drives the mandrel 4 to move towards the small end of the conical sleeve 21, causing the mandrel 4 to drive the chuck 5 to move. The chuck 5 contacts the inner wall of the conical cover 1 and is squeezed by the inner wall of the conical cover 1 during its movement. This causes the chuck 5 to slide radially along the mandrel 4 while moving along the length of the conical sleeve 21, thereby achieving radial clamping and clamping the tool. When it is necessary to release the drill rod, the main rod 3 drives the mandrel 4 to move towards the large end of the conical sleeve 21, thus releasing the tool. The operation is convenient, the drill rod can be replaced quickly, and the production efficiency is greatly improved.

[0055] In one or more implementations, such as Figure 2 , Figure 7 As shown, the mandrel 4 includes a threaded post 41 and a frustum 42 arranged coaxially, and the pawl 5 can slide radially along the frustum 42;

[0056] like Figure 2 As shown, the main rod 3 has a threaded hole 31 and a connecting shaft cavity 32 that are interconnected inside, and the threaded column 41 is threadedly connected to the threaded hole 31.

[0057] The threaded post 41 of the spindle 4 is threadedly connected to the threaded hole 31 of the main rod 3. By rotating the main rod 3, the threaded post 41 moves axially under the drive of the threaded hole 31, thereby pushing the frustum part 42 to move along the length direction of the tapered sleeve 21, thereby realizing the clamping or loosening of the chuck 5.

[0058] In optional implementations, such as Figure 10 As shown, the frustum portion 42 includes a circular base plate 422 and an annular plate 412 surrounding the circular base plate 422. A receiving cavity 425 is formed between the annular plate 412 and the circular base plate 422. A sliding groove 423 is also provided on the annular plate 412, and the sliding groove 423 is connected to the receiving cavity 425.

[0059] like Figure 8 , Figure 9 As shown, the claw 5 includes a main board 51, a sloping plate 52 is provided on the side of the main board 51 near the conical cover 1, a clamping plate 53 is provided on the side of the main board 51 away from the conical cover 1, and a sliding plate 54 is also provided at the bottom of the main board 51.

[0060] The slide plate 54 is located in the slide groove 423, the clamping plate 53 is located in the receiving cavity 425, and the inclined plate 52 passes through the strip groove 23 and contacts the inside of the conical cover 1.

[0061] A groove 423 is provided on the frustum portion 42 so that the chuck 5 can slide radially on the frustum portion 42 via the slide plate 54. The clamping plate 53 is located in the receiving cavity 425 for clamping the tool. The inclined plate 52 passes through the strip groove 23 and contacts the inner wall of the conical cover 1. The inclined plate 52 is squeezed by the inner wall of the conical cover 1, so that the chuck 5 slides radially along the spindle 4 to provide clamping force for clamping the tool.

[0062] In optional implementations, such as Figure 10 As shown, the bottom of the slide 423 is provided with a limiting groove 424;

[0063] like Figure 8 , Figure 9 As shown, a limiting plate 55 is provided at the bottom of the slide plate 54, and the limiting plate 55 slides within the limiting groove 424.

[0064] By providing a limiting groove 424 at the bottom of the slide 423 and a limiting plate 55 at the bottom of the slide plate 54, the limiting plate 55 slides within the limiting groove 424, ensuring the accuracy and safety of the movement of the claw 5.

[0065] In optional implementations, such as Figure 5 As shown, the strip grooves 23 are spaced apart around the conical sleeve 21 in a circumferential manner;

[0066] The length direction of the strip groove 23 is the same as that of the tapered sleeve 21.

[0067] In optional implementations, such as Figure 5 As shown, the number of strip grooves 23 is no less than three;

[0068] The number of claws 5 is the same as the number of slots 23.

[0069] In optional implementations, such as Figure 2 , Figure 11 As shown, it also includes a ferrule 6, which includes a first sleeve 61, the outer wall of which is threadedly connected to the inner wall of the main sleeve 2.

[0070] The inner wall of the first sleeve 61 is threadedly connected to the outer wall of the main rod 3.

[0071] The main sleeve 2 and the main rod 3 are connected together by the first sleeve 61, thereby fixing and limiting the two to prevent displacement between them.

[0072] The main rod 3 is positioned by the ferrule 6 to ensure the accurate relative position between the main rod 3 and the main sleeve 2, and to prevent displacement between the main rod 3 and the main sleeve 2 during operation, which could cause the chuck 5 to loosen and the tool to fall or be thrown out.

[0073] Among the optional methods, such as Figure 6 The main sleeve 2 has a stepped portion 24 at the end away from the conical cover, and an internal thread is provided on the stepped portion 24 for threaded connection with the outer wall of the first sleeve 61. Figure 2 .

[0074] In optional implementations, such as Figure 11 As shown, the sleeve 6 also includes a baffle 62, which is continuously arranged around the first sleeve 61 in a circumferential direction;

[0075] The baffle 62 is used to abut against the end of the main sleeve 2 away from the conical cover 1.

[0076] In optional implementations, such as Figure 2 As shown, it also includes a clamping sleeve 7, which is sleeved on the main rod 3, and the clamping sleeve 7 abuts against the end of the ferrule 6 away from the main sleeve 2.

[0077] The clamping sleeve 7 is used to prevent the ferrule 6 from shifting on the main rod 3.

[0078] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tool holder chuck device, characterized in that, It includes a conical cap (1), a main sleeve (2), a main rod (3), a mandrel (4), and a chuck (5). The main sleeve (2) includes a conical sleeve (21) and a connecting sleeve (22) connected to each other. A strip groove (23) is provided on the conical sleeve (21). The conical cap (1) is sleeved on the outside of the conical sleeve (21). The mandrel (4) is located inside the tapered sleeve (21), and the main rod (3) is located inside the connecting sleeve (22). The main rod (3) is used to drive the mandrel (4) to move along the length direction of the tapered sleeve (21). The mandrel (4) is mounted with the claw (5) at one end away from the main rod (3). The claw (5) can slide radially along the mandrel (4), and one side of the claw (5) passes through the strip groove (23) and contacts the inner wall of the conical cover (1).

2. The tool holder chuck device according to claim 1, characterized in that, The mandrel (4) includes a threaded post (41) and a frustum (42) arranged coaxially, and the pawl (5) is capable of sliding radially along the frustum (42); The main rod (3) has a threaded hole (31) and a connecting shaft cavity (32) that are interconnected inside, and the threaded column (41) is threadedly connected inside the threaded hole (31).

3. The tool holder chuck device according to claim 2, characterized in that, The frustum portion (42) includes a circular base plate (422) and an annular plate (412) circumferentially surrounding the circular base plate (422). A receiving cavity (425) is formed between the annular plate (412) and the circular base plate (422). A sliding groove (423) is also provided on the annular plate (412), and the sliding groove (423) is connected to the receiving cavity (425). The claw (5) includes a main board (51), the main board (51) has a sloping plate (52) on the side near the conical cover (1), a clamping plate (53) on the side away from the conical cover (1), and a sliding plate (54) at the bottom of the main board (51). The slide plate (54) is located in the slide groove (423), the clamping plate (53) is located in the receiving cavity (425), and the inclined plate (52) passes through the strip groove (23) and contacts the inner wall of the conical cover (1).

4. The tool holder chuck device according to claim 3, characterized in that, The bottom of the slide (423) is provided with a limiting groove (424); The bottom of the slide plate (54) is provided with a limiting plate (55), which slides within the limiting groove (424).

5. A tool holder chuck device according to claim 3, characterized in that, The strip grooves (23) are spaced apart around the conical sleeve (21) in a circumferential manner.

6. A tool holder chuck device according to claim 5, characterized in that, The number of the strip grooves (23) is not less than three; The number of the claws (5) is the same as the number of the slots (23).

7. A tool holder chuck device according to any one of claims 1-6, characterized in that, It also includes a ferrule (6), which includes a first sleeve (61), the outer wall of which is threadedly connected to the inner wall of the main sleeve (2); The inner wall of the first sleeve (61) is threadedly connected to the outer wall of the main rod (3).

8. A tool holder chuck device according to claim 7, characterized in that, The sleeve (6) also includes a baffle (62), which is continuously arranged around the first sleeve (61) in the circumferential direction; The baffle (62) is used to abut against the end of the main sleeve (2) away from the conical cover (1).

9. A tool holder chuck device according to claim 8, characterized in that, It also includes a clamping sleeve (7), which is sleeved on the main rod (3) and abuts against the end of the ferrule (6) away from the main sleeve (2).

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