Machine tool ejector pin device

Abstract

The utility model relates to the technical field of machine tool ejector pin devices, and discloses a machine tool ejector pin device which comprises a mounting cylinder, an ejector pin is inserted into one end of the mounting cylinder, a plurality of protruding blocks are fixedly arranged on the outer side of the mounting cylinder, and a connecting plate is arranged at the other end of the mounting cylinder. The outer side of the connecting plate is fixedly provided with a plurality of arc-shaped elastic plates, the arc-shaped elastic plates are buckled with the protruding blocks, the interior of the connecting plate is in threaded connection with a limiting cylinder, one end of the limiting cylinder extends into the mounting cylinder, and one end of the limiting cylinder is fixedly provided with a rotating handle. And then the limiting cylinder is in threaded connection with the connecting plate, so that the limiting cylinder supports the center, when the center needs to be disassembled and assembled, the rotating handle is rotated to push out the center, the center can also be pushed out by pressing the push plate to enable the collision rod to push out the center, and therefore the center can be disassembled, assembled and maintained conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool ejector devices, in particular to a machine tool ejector device. Background Art

[0002] The machine tool ejector device is a key component, which is widely used in machine tool processing, especially in turning processing, where it plays a vital role. The design and performance of the machine tool ejector device directly affect the processing accuracy and efficiency. The machine tool ejector device is usually composed of an ejector, a clamping device, a housing, a fixing pin, a bearing and a mandrel. One end of the ejector can support the center hole or the inner hole of the tube, and the other end can support the part with a spherical or conical top surface. This device is not only suitable for parts with complex end faces, but also for parts that are not allowed or cannot have center holes. In addition, the top can also be used for operations such as drilling, threading and reaming of workpieces. The machine tool ejector device currently used in the market has a relatively simple structure and is not convenient for disassembly and assembly, which makes it inconvenient to overhaul and replace in the later stage, and increases the difficulty of maintenance. Therefore, a machine tool ejector device is proposed. Utility Model Content

[0003] The utility model aims to provide a machine tool ejector device to solve the problem in the background technology that the machine tool ejector device currently used in the market has a relatively simple structure and is inconvenient to disassemble and assemble, which leads to inconvenience in later maintenance and replacement and increases the difficulty of maintenance.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a machine tool ejector device comprises a mounting cylinder, a top is inserted into one end of the mounting cylinder, a plurality of protrusions are fixedly arranged on the outside of the mounting cylinder, a connecting plate is arranged at the other end of the mounting cylinder, a plurality of arc-shaped elastic plates are fixedly arranged on the outside of the connecting plate and the arc-shaped elastic plates are buckled with the protrusions, the internal thread connection of the connecting plate is connected to the limiting cylinder and one end of the limiting cylinder extends into the interior of the mounting cylinder, a turning handle is fixedly arranged at one end of the limiting cylinder, a sliding block is slidably arranged inside the limiting cylinder, a striking rod is fixedly arranged inside the sliding block, a push plate is fixedly arranged at one end of the striking rod, a fixing plate is fixedly arranged inside the limiting cylinder, a spring is sleeved on the outside of the striking rod and the spring is connected to the sliding block and the fixing plate, and a supporting structure is arranged on the outside of the mounting cylinder.

[0005] Preferably, the support structure includes a fixing block which is installed on the outer side of the installation cylinder. A bolt penetrates through the interior of the fixing block. On one inner wall of the fixing block, there is a [missing part]. The bolt is threadedly connected to it. A rocking plate is fixedly arranged at one end of the [missing part]. A cross plate is fixedly arranged at the bottom of the fixing block. A bottom plate is arranged at the bottom of the cross plate. Two T-shaped bolts are slidably arranged inside the bottom plate and the T-shaped bolts penetrate through the cross plate. A second nut is threadedly connected to the outer side of the T-shaped bolts. Two handles are fixedly arranged on the outer side of the second nut.

[0006] Preferably, a limiting hole is formed inside the arc-shaped elastic plate, and the raised block is buckled inside the limiting hole.

[0007] Preferably, the outer side of the limiting cylinder is processed with an external thread, a threaded hole is formed inside the connecting plate, and the limiting cylinder is threadedly connected to the connecting plate.

[0008] Preferably, a T-shaped sliding groove is formed on the inner wall of the top of the bottom plate, and the T-shaped bolt is slidably installed inside the T-shaped sliding groove.

[0009] Preferably, a fastening hole is formed inside the fixing block, and the bolt penetrates through the fastening hole.

[0010] Compared with the prior art, the present utility model adopts the above technical solutions and has the following technical effects:

[0011] By arranging the raised block, the connecting plate, the arc-shaped elastic plate, the limiting cylinder and the rotating handle, when in use, the fixing block on the top of the cross plate is fixedly installed on the top of the bottom plate, then the tip is inserted into the interior of the installation cylinder, and then the limiting cylinder is threadedly connected to the connecting plate. The limiting cylinder supports the tip. When it is necessary to disassemble and assemble the tip, rotate the rotating handle to push out the tip, or press the push plate to make the striker push out the tip, so as to facilitate the disassembly, assembly and maintenance of the tip. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1 It is a schematic diagram of the main structure of the present utility model;

[0014] Figure 2 It is a schematic cross-sectional structure diagram of the present utility model;

[0015] Figure 3Schematic diagram of the connection structure between the installation cylinder and the center point of the present utility model;

[0016] Figure 4 Schematic cross-sectional structure diagram of the limit cylinder of the present utility model.

[0017] Explanation of reference numerals: 1. Installation cylinder; 2. Center point; 3. Raised block; 4. Connecting plate; 5. Arc-shaped elastic plate; 6. Limit cylinder; 7. Rotating handle; 8. Slide block; 9. Impact rod; 10. Push plate; 11. Fixed plate; 12. Spring; 13. Fixed block; 14. Bolt; 15. First nut; 16. Rocking plate; 17. Cross plate; 18. Bottom plate; 19. T-shaped bolt; 20. Second nut; 21. Handle. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limited conditions that can be implemented in this application. Therefore, they do not have technical substance significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that this application can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in this application.

[0020] Embodiment

[0021] In the prior art, the structure of the machine tool center point device used in the current market is relatively simple, which is not convenient for disassembly and assembly, resulting in inconvenient later maintenance and replacement, and increasing the difficulty of maintenance.

[0022] Please refer to Figures 1-4, the present utility model provides a technical solution: a machine tool center device, including a mounting cylinder 1, a center 2 is inserted inside one end of the mounting cylinder 1, a plurality of raised blocks 3 are fixedly arranged on the outer side of the mounting cylinder 1, a connecting plate 4 is arranged at the other end of the mounting cylinder 1, a plurality of arc-shaped elastic plates 5 are fixedly arranged on the outer side of the connecting plate 4 and the arc-shaped elastic plates 5 are buckled with the raised blocks 3, a limiting cylinder 6 is threadedly connected inside the connecting plate 4 and one end of the limiting cylinder 6 extends into the inside of the mounting cylinder 1, a rotating handle 7 is fixedly arranged at one end of the limiting cylinder 6, a sliding block 8 is slidably arranged inside the limiting cylinder 6, a striking rod 9 is fixedly arranged inside the sliding block 8, a pushing plate 10 is fixedly arranged at one end of the striking rod 9, a fixing plate 11 is fixedly arranged inside the limiting cylinder 6, a spring 12 is sleeved on the outer side of the striking rod 9 and the spring 12 is connected with the sliding block 8 and the fixing plate 11, a supporting structure is arranged on the outer side of the mounting cylinder 1. When in use, the center 2 is inserted into the inside of the mounting cylinder 1, and then the connecting plate 4 is buckled at one end of the mounting cylinder 1 by buckling the arc-shaped elastic plates 5 with the raised blocks 3, which is convenient for replacing the connecting plate 4. Then the limiting cylinder 6 is threadedly connected with the connecting plate 4, so that the limiting cylinder 6 supports the center 2. When it is necessary to disassemble and assemble the center 2, rotate the rotating handle 7 to push out the center 2, or the center 2 can also be pushed out by pressing the pushing plate 10, so as to facilitate the disassembly, assembly and maintenance of the center 2.

[0023] The supporting structure includes a fixing block 13, the fixing block 13 is installed on the outer side of the mounting cylinder 1, a bolt 14 penetrates through the inside of the fixing block 13, a 15 is arranged on one inner wall of the fixing block 13, the bolt 14 is threadedly connected with the 15, a rocking plate 16 is fixedly arranged at one end of the 15, a cross plate 17 is fixedly arranged at the bottom of the fixing block 13, a bottom plate 18 is arranged at the bottom of the cross plate 17, two T-shaped bolts 19 are slidably arranged inside the bottom plate 18 and the T-shaped bolts 19 penetrate through the cross plate 17, a second nut 20 is threadedly connected on the outer side of the T-shaped bolts 19, and two handles 21 are fixedly arranged on the outer side of the second nut 20. When in use, the mounting cylinder 1 is buckled inside the fixing block 13, and then the rocking plate 16 is rotated, so that the fixing block 13 fastens the mounting cylinder 1. When the fixing block 13 is installed at a suitable position through the cross plate 17, rotate the second nut 20 to fixedly install the fixing block 13 on the top of the bottom plate 18, which is convenient for installation and limitation.

[0024] A limiting hole is opened inside the arc-shaped elastic plate 5, and the raised block 3 is buckled inside the limiting hole. The connecting plate 4 is installed at one end of the mounting cylinder 1 by buckling the arc-shaped elastic plate 5 with the raised block 3.

[0025] External threads are processed on the outer side of the limiting cylinder 6, a threaded hole is opened inside the connecting plate 4, and the limiting cylinder 6 is threadedly connected with the connecting plate 4. One end of the limiting cylinder 6 extends into the inside of the mounting cylinder 1 through the connecting plate 4.

[0026] The inner wall of the top of the bottom plate 18 is provided with a T-shaped chute, and the T-shaped bolt 19 is slidably installed inside the T-shaped chute to limit the movement of the cross plate 17 through the T-shaped bolt 19.

[0027] The fixing block 13 is internally provided with a fastening hole, and the bolt 14 penetrates through the fastening hole to fasten the mounting cylinder 1 inside the fixing block 13.

[0028] During operation or in terms of the structural principle, when in use, the fixing block 13 is installed at a suitable position through the cross plate 17, and then the second nut 20 is rotated to fixedly install the fixing block 13 on the top of the bottom plate 18 at the top of the cross plate 17, facilitating installation and limitation. Then, the mounting cylinder 1 is inserted into the fixing block 13, and the rocker plate 16 is rotated. The rocker plate 16 drives the bolt 14 to rotate, thereby fastening the mounting cylinder 1. Then, the top 2 is inserted into the mounting cylinder 1, and then the connecting plate 4 is buckled at one end of the mounting cylinder 1 by buckling the arc-shaped elastic plate 5 with the protruding block 3, facilitating the replacement of the connecting plate 4. Then, the limiting cylinder 6 is threadedly connected to the connecting plate 4, so that the limiting cylinder 6 extends into the mounting cylinder 1 to support the top 2. When it is necessary to disassemble and assemble the top 2, the turning handle 7 is rotated to push out the top 2, or the ejector plate 10 can be pressed to make the impact rod 9 push out the top 2. The spring 12 deformed on the outer side of the impact rod 9 will drive the impact rod 9 to reset, facilitating the next use, and thus facilitating the disassembly, assembly and maintenance of the top 2.

[0029] Those skilled in the art can understand that the features recited in the various embodiments and / or claims of the present invention can be combined or / and combined in various ways, even if such combinations or combinations are not explicitly recited in the present invention. In particular, without departing from the spirit and teachings of the present invention, the features recited in the various embodiments and / or claims of the present invention can be combined and / or combined in various ways. All such combinations and / or combinations fall within the scope of the present invention.

Claims

1. A machine tool ejector device, comprising a mounting cylinder (1), characterized in that: A tip (2) is inserted into one end of the installation tube (1), a plurality of protruding blocks (3) are fixedly arranged on the outside of the installation tube (1), a connecting plate (4) is arranged at the other end of the installation tube (1), a plurality of arc-shaped elastic plates (5) are fixedly arranged on the outside of the connecting plate (4), and the arc-shaped elastic plates (5) are buckled with the protruding blocks (3), the inner thread of the connecting plate (4) is connected to a limiting tube (6), and one end of the limiting tube (6) extends into the interior of the installation tube (1), and the limiting tube ( A rotating handle (7) is fixedly arranged at one end of the positioning cylinder (6), a sliding block (8) is slidably arranged inside the positioning cylinder (6), a striking rod (9) is fixedly arranged inside the sliding block (8), a pushing plate (10) is fixedly arranged at one end of the striking rod (9), a fixing plate (11) is fixedly arranged inside the positioning cylinder (6), a spring (12) is sleeved on the outer side of the striking rod (9) and the spring (12) is connected to the sliding block (8) and the fixing plate (11), and a supporting structure is arranged on the outer side of the mounting cylinder (1).

2. A machine tool ejector device according to claim 1, characterized in that: The supporting structure comprises a fixing block (13), wherein the fixing block (13) is mounted on the outside of the mounting tube (1), a bolt (14) is passed through the inside of the fixing block (13), a (15) is arranged on the inner wall of one side of the fixing block (13), the bolt (14) is threadedly connected to the (15), a rocking plate (16) is fixedly arranged on one end of the (15), a transverse plate (17) is fixedly arranged on the bottom of the fixing block (13), a bottom plate (18) is arranged on the bottom of the transverse plate (17), two T-bolts (19) are slidably arranged inside the bottom plate (18) and the T-bolts (19) pass through the transverse plate (17), a second nut (20) is threadedly connected to the outside of the T-bolt (19), and two handles (21) are fixedly arranged on the outside of the second nut (20).

3. A machine tool ejector device according to claim 1, characterized in that: A limiting hole is provided inside the arc-shaped elastic plate (5), and the protruding block (3) is buckled inside the limiting hole.

4. A machine tool ejector device according to claim 1, characterized in that: The outer side of the limiting cylinder (6) is processed with an external thread, the interior of the connecting plate (4) is provided with a threaded hole, and the limiting cylinder (6) is threadedly connected to the connecting plate (4).

5. A machine tool ejector device according to claim 2, characterized in that: The top inner wall of the bottom plate (18) is provided with a T-shaped slide groove, and the T-shaped bolt (19) is slidably installed inside the T-shaped slide groove.

6. A machine tool ejector device according to claim 2, characterized in that: A fastening hole is provided inside the fixing block (13), and the bolt (14) passes through the fastening hole.

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