Probe rotating seat for numerical control machine tool

Abstract

The utility model provides a probe rotating seat for a numerical control machine tool, and belongs to the field of machine tools. The problem that an existing machine tool probe is prone to damage is solved. The probe rotating seat for the numerical control machine tool comprises a probe, a connecting seat and a rotating device, a rebounding mechanism facilitating automatic rebounding of the probe is arranged on the connecting seat, the rotating device comprises a rocker arm part capable of rotating in the circumferential direction, a driving assembly capable of driving the rocker arm part to rotate and a limiting assembly capable of adjusting the rotating angle, and the rocker arm part is fixedly connected with the connecting seat. The probe is connected to the connecting base through a rebound mechanism, the driving assembly comprises a shell, a gear capable of driving the rocker arm piece to rotate, a rack in transmission fit with the gear and a driving air cylinder used for driving the gear to move, the rocker arm piece is in transmission connection with the gear through a transmission shaft and drives the probe to rotate, and a bearing piece is arranged between the transmission shaft and the shell. And the probe is movably arranged on the connecting seat through a springback mechanism. The utility model has the advantage of reducing the loss of the probe.

Description

Technical Field

[0001] The utility model belongs to the field of machine tools and relates to a probe, in particular to a probe rotating seat for numerically controlled machine tools. Background Art

[0002] The machine tool probe device refers to the device used inside the machine tool to detect the status of the workpiece being processed. The so-called probe refers to the contact medium for electrical testing. It is a high-end precision electronic hardware component. The probe device used in the machine tool is mainly a cantilever probe. This type of machine tool probe device is a microelectronic test probe. Since it is necessary to accurately observe the specific conditions of the workpiece when using a CNC machine tool to process the workpiece, but this work cannot be completed well by manpower, it is necessary to use the probe device to complete it.

[0003] However, existing machine tool probe devices still have the following problems: 1. Traditional machine tool probe devices have a simple structure and can only achieve up and down movement, resulting in a low testing range and efficiency. 2. During dimensional testing, traditional probes are extremely prone to collision with workpieces due to limited travel, resulting in probe damage and a high probe scrap rate. Summary of the Invention

[0004] The purpose of the present invention is to provide a probe rotating seat for a CNC machine tool to solve the above problems existing in the prior art.

[0005] The purpose of the utility model can be achieved through the following technical solutions: A probe rotating seat for a CNC machine tool, characterized in that it includes a probe, a connecting seat for movable mounting of the probe, and a rotating device for driving the probe to rotate circumferentially;

[0006] The connecting seat is provided with a rebound mechanism for facilitating the automatic rebound of the probe;

[0007] The rotating device includes a rocker arm member that can rotate in a circumferential direction, a driving assembly that can drive the rocker arm member to rotate, and a limiting assembly that can adjust the rotation angle;

[0008] The rocker arm is fixedly connected to the connecting seat, and the probe is connected to the connecting seat via a rebound mechanism;

[0009] The driving assembly includes a housing, a gear that can drive the rocker arm to rotate, a rack that cooperates with the gear transmission, and a driving cylinder for driving the gear to move;

[0010] The rocker arm is connected to the gear through a transmission shaft and drives the probe to rotate;

[0011] A bearing is provided between the transmission shaft and the housing;

[0012] The probe is movably mounted on the connecting seat through a rebound mechanism.

[0013] In the above-mentioned probe rotating seat for CNC machine tools, the rebound mechanism includes a movable slide, a mounting part for mounting the probe, a fixing part fixed on the slide, a buffer assembly for elastic buffering, an electronic sensor for force sensing, and a rebound cylinder for driving the slide to move back.

[0014] In the above-mentioned probe rotating seat for CNC machine tools, the buffer assembly includes two connecting parts fixed on both sides of the mounting part, guide columns for facilitating guiding connection, and elastic parts for elastic buffering. The connecting part is movably connected to the guide columns and elastically buffered by the elastic part.

[0015] In the above-mentioned probe rotating seat for CNC machine tools, the fixing member is provided with a guide groove for guiding and connecting the mounting member, and the end of the mounting member is connected to an electronic sensor and a rebound cylinder.

[0016] In the above-mentioned probe rotating seat for CNC machine tools, the slide seat and the connecting seat are connected by a guide rail structure, the mounting member and the slide seat are also connected by a guide rail structure, and the axial movement of the mounting member is limited by the fixing member on the slide seat.

[0017] In the above-mentioned probe rotating seat for CNC machine tools, the limit assembly includes a limit pin connected to the shell and used to limit the rotation of the rocker arm, and an adjustment screw connected to the rocker arm and cooperating with the limit pin. By rotating the adjustment screw, the end portion is abutted against the limit pin to achieve fine-tuning of the rotation angle.

[0018] In the above-mentioned probe rotating seat for CNC machine tools, the rack drives the rack to move axially through the driving cylinder, and drives the gear to rotate, thereby realizing the rotation of the rocker arm and the probe.

[0019] Compared with the existing technology, the structure of the probe rotating seat for CNC machine tools is reasonably designed. The rotating device and the connecting seat structure are used to cooperate with each other to realize the circumferential rotation of the probe. At the same time, through the rebound mechanism structure, when the probe size measurement process is obstructed, it can rebound and shrink in time, effectively reducing the probe damage rate and reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the probe rotating seat for the CNC machine tool.

[0021] Figure 2 This is a schematic diagram of the main structure of the probe rotating seat for CNC machine tools.

[0022] Figure 3 The utility model is a schematic diagram of the internal cross-sectional structure of the probe rotating seat for CNC machine tools.

[0023] Figure 4The utility model is a schematic diagram of the internal cross-sectional structure of the probe rotating seat for CNC machine tools.

[0024] In the figure, 1. connecting seat; 2. probe; 3. rocker arm; 4. housing; 5. gear; 6. rack; 7. driving cylinder; 8. bearing; 9. transmission shaft; 10. rebound mechanism; 11. slide; 12. mounting part; 13. fixing part; 14. electronic sensor; 15. rebound cylinder; 16. connecting part; 17. guide column; 18. elastic part; 19. limit pin; 20. adjusting screw. DETAILED DESCRIPTION

[0025] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0026] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown, the probe rotating seat for the CNC machine tool includes a probe 2, a connecting seat 1 for movably mounting the probe 2, and a rotating device for driving the probe 2 to rotate circumferentially. The connecting seat 1 is provided with a rebound mechanism 10 for facilitating the automatic rebound of the probe 2. The rotating device includes a rocker arm 3 that can rotate circumferentially, a driving component that can drive the rocker arm 3 to rotate, and a limit component with an adjustable rotation angle. The rocker arm 3 is fixedly connected to the connecting seat 1, and the probe 2 is connected to the connecting seat 1 through the rebound mechanism 10. The driving component includes a shell 4, a gear 5 that can drive the rocker arm 3 to rotate, a rack 6 that cooperates with the gear 5, and a driving cylinder 7 for driving the gear 5 to move. The rocker arm 3 is connected to the gear 5 through a transmission shaft 9 and drives the probe 2 to rotate. A bearing 8 is provided between the transmission shaft 9 and the shell 4, and the probe 2 is movably mounted on the connecting seat 1 through the rebound mechanism 10.

[0027] The above structure is reasonably designed, and the rotating device and the connecting seat 1 structure are used to cooperate with each other to realize the circumferential rotation of the probe 2. At the same time, through the rebound mechanism 10 structure, when the probe 2 size measurement process is obstructed, it can rebound and shrink in time, effectively reducing the damage rate of the probe 2 and reducing costs.

[0028] To elaborate further, in order to facilitate the timely rebound and contraction of the probe 2 when the measuring stroke is blocked to prevent damage to the probe 2 head, the rebound mechanism 10 includes a movable slide 11, a mounting part 12 for mounting the probe 2, a fixing part 13 fixed on the slide 11, a buffer assembly for elastic buffering, an electronic sensor 14 for force sensing, and a rebound cylinder 15 for driving the slide 11 to move back. The buffer assembly includes two connecting parts 16 fixed on both sides of the mounting part 12, a guide column 17 for convenient guiding connection, and an elastic part 18 for elastic buffering. The connecting part 16 is movably connected to the guide column 17 and elastically buffered by the elastic part 18. A guide groove for guiding the mounting part 12 is provided on the fixing part 13. The end of the mounting part 12 is connected to the electronic sensor 14 and the rebound cylinder 15. The slide 11 and the connecting seat 1 are connected by a guide rail structure, and the mounting part 12 and the sliding seat are also connected by a guide rail structure, and the axial movement of the mounting part 12 is limited by the fixing part 13 on the slide 11.

[0029] When the measuring stroke is blocked, the probe 2 is subjected to resistance, which is buffered by the buffer assembly, causing the probe 2 to retract and move. The resistance passes through the mounting part 12, and the electronic sensor 14 receives the resistance and controls the driving rebound cylinder 15 to pull the slide 11 back as a whole, so that the probe 2 quickly breaks away from contact with the workpiece and achieves rapid rebound.

[0030] To further elaborate, in order to limit and adjust the rotation angle of the rocker arm 3, the limit assembly includes a limit pin 19 connected to the shell 4 and used to limit the rotation of the rocker arm 3, and an adjustment screw 20 that is connected to the rocker arm 3 and cooperates with the limit pin 19. By rotating and adjusting the adjustment screw 20 so that the end part abuts against the limit pin 19, fine-tuning of the rotation angle can be achieved.

[0031] Preferably, the rack 6 drives the rack 6 to move axially by driving the cylinder 7 , and drives the gear 5 to rotate, thereby realizing the rotation of the rocker arm 3 and the probe 2 .

[0032] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0033] Although this article uses more terms, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A probe rotating seat for a CNC machine tool, characterized in that: It comprises a probe (2), a connecting seat (1) for movably mounting the probe (2), and a rotating device for driving the probe (2) to rotate circumferentially; The connecting seat (1) is provided with a rebound mechanism (10) for facilitating the automatic rebound of the probe (2); The rotating device comprises a circumferentially rotatable rocker arm member (3), a driving assembly capable of driving the rocker arm member (3) to rotate, and a limiting assembly capable of adjusting the rotation angle; The rocker arm member (3) is fixedly connected to the connecting seat (1), and the probe (2) is connected to the connecting seat (1) via a rebound mechanism (10); The driving assembly comprises a housing (4), a gear (5) capable of driving the rocker arm (3) to rotate, a rack (6) in transmission engagement with the gear (5), and a driving cylinder (7) for driving the gear (5) to move; The rocker arm (3) is connected to the gear (5) via a transmission shaft (9) and drives the probe (2) to rotate; A bearing member (8) is provided between the transmission shaft (9) and the housing (4); The probe (2) is movably mounted on the connecting seat (1) via a rebound mechanism (10).

2. The probe rotating seat for CNC machine tools according to claim 1, characterized in that: The rebound mechanism (10) comprises a movable slide (11), a mounting member (12) for mounting the probe (2), a fixing member (13) fixed to the slide (11), a buffer assembly for elastic buffering, an electronic sensor (14) for force sensing, and a rebound cylinder (15) for driving the slide (11) to move back.

3. The probe rotating seat for a CNC machine tool according to claim 2, characterized in that: The buffer assembly includes two connecting members (16) fixed to both sides of the mounting member (12), a guide column (17) for facilitating the guide connection, and an elastic member (18) for elastic buffering. The connecting member (16) is movably connected to the guide column (17) and elastically buffered by the elastic member (18).

4. The probe rotating seat for a CNC machine tool according to claim 3, characterized in that: The fixing member (13) is provided with a guide groove for guiding and connecting the mounting member (12), and the end of the mounting member (12) is connected to an electronic sensor (14) and a rebound cylinder (15).

5. The probe rotating seat for CNC machine tools according to claim 4, characterized in that: The slide seat (11) and the connecting seat (1) are connected by a guide rail structure, and the mounting member (12) and the slide seat are also connected by a guide rail structure, and the axial movement of the mounting member (12) is limited by the fixing member (13) on the slide seat (11).

6. The probe rotating seat for CNC machine tools according to claim 1, characterized in that: The limiting assembly comprises a limiting pin (19) connected to the housing (4) and used for limiting the rotation of the rocker arm (3), and an adjusting screw (20) passing through the rocker arm (3) and cooperating with the limiting pin (19). By rotating and adjusting the adjusting screw (20), the end portion of the adjusting screw (20) is brought into contact with the limiting pin (19), thereby achieving fine adjustment of the rotation angle.

7. The probe rotating seat for CNC machine tools according to claim 1, characterized in that: The rack (6) drives the rack (6) to move axially via the driving cylinder (7), and drives the gear (5) to rotate, thereby realizing the rotation of the rocker arm (3) and the probe (2).

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