Transmission device with pressure detection function

Abstract

The utility model relates to the technical field of laser cutting equipment, in particular to a transmission device with a pressure detection function, which can be applied to a laser cutting machine, serves as an x-z two-axis driving mechanism of the laser cutting machine and is provided with a detection mechanism which comprises a support, a first pressure sensor and a second pressure sensor. The first pressure sensor communicates with the air cavity of the first pneumatic device through the air guide pipe and is used for detecting the air pressure of the first pneumatic device, and the abnormity of the first pneumatic device can be found in time by detecting the first pressure sensor in real time; the second pressure sensor is communicated with an air cavity of the second pneumatic device through an air guide pipe and used for detecting the air pressure of the second pneumatic device, and the second pressure sensor is detected in real time, so that abnormity can be found in time, and workers are reminded; the first pressure sensor and the second pressure sensor are detachably installed on the support, and compared with a traditional built-in sensor, maintenance by workers can be facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission devices, in particular to a transmission device with pressure detection. Background Art

[0002] The laser cutting machine focuses the laser light emitted from the laser into a high-power density laser beam through the optical path system. The laser beam irradiates the surface of the workpiece, causing the workpiece to reach the melting point or boiling point. At the same time, the high-pressure gas coaxial with the beam blows away the molten or vaporized metal. As the relative position of the beam and the workpiece moves, the material is eventually cut, thereby achieving the purpose of cutting.

[0003] The laser cutting machine is usually provided with an xyz three-axis transmission device. This type of transmission device can refer to the five-axis cutting device of the laser cutting machine disclosed in the Chinese patent application document announcement number CN105945434A. It is provided with a material clamping structure on both sides of the machine, so that when the laser head is working on one side, the other side is unloading and clamping the material, so that the working efficiency of the entire laser cutting machine is improved. It includes a machine, two motor mounting seats are arranged at the center position of the length direction of the machine, two R-axis rotary motors are respectively fixed to the motor mounting seats on the corresponding sides, the output ends of the two R-axis rotary motors are arranged back to back, and the output end of each R-axis rotary motor is respectively fixed with a claw structure, each claw structure is used to clamp one end of the material, and an XYZ three-axis structure servo drive table is arranged at the rear of the machine, and the lower end output part of the Z-axis motor of the XYZ three-axis structure servo drive table is fixed with a laser cutting head, and the laser cutting head is used to process materials.

[0004] In order to facilitate the detection of abnormalities, the transmission device of the prior art usually has sensors installed inside the transmission device, such as Hall sensors, potentiometer sensors, etc. Such sensors are usually installed inside the transmission device in a matching manner. Once the position of the sensor is offset or fails, it is difficult to repair. Therefore, the prior art needs to be improved and developed. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a transmission device with pressure detection to solve the problem that the sensor in the transmission device of the prior art is difficult to repair.

[0006] A transmission device with pressure detection, comprising:

[0007] The x-axis transmission mechanism comprises a mounting seat, a first pneumatic device fixed to the mounting seat and driven along the x-axis direction, and a first slider connected to an output end of the first pneumatic device;

[0008] The z-axis transmission mechanism comprises a sliding seat fixed to the first sliding block, a second pneumatic device fixed to the sliding seat and driven along the z-axis direction, and a second sliding block connected to the output end of the second pneumatic device;

[0009] The detection mechanism includes a bracket fixed to the sliding seat, a first pressure sensor and a second pressure sensor detachably mounted on the bracket, the first pressure sensor being connected to the air cavity of the first pneumatic device and used for detecting the air pressure of the first pneumatic device, and the second pressure sensor being connected to the air cavity of the second pneumatic device and used for detecting the air pressure of the second pneumatic device.

[0010] Specifically, the bracket is provided with a first card slot and a second card slot, the first pressure sensor is sleeved with a first card member, the first card member is inserted into the first card slot, the second pressure sensor is sleeved with a second card member, the second card member is inserted into the second card slot.

[0011] Specifically, the x-axis transmission mechanism further includes a first guide rail arranged on the mounting seat along the x-direction, and the first slider is provided with a third slider which is slidably matched with the first guide rail.

[0012] Specifically, the mounting seat is provided with a first positioning baffle and a second positioning baffle, the first slider moves between the first positioning baffle and the second positioning baffle along the x direction, and the first positioning baffle and the second positioning baffle are provided with elastic pads at one end facing the first slider.

[0013] Specifically, both ends of the first sliding block along the x-direction are provided with first protective covers.

[0014] Specifically, the z-axis transmission mechanism further includes a second guide rail arranged on the sliding seat along the z direction, and the second sliding block is provided with a fourth sliding block which is slidably matched with the second guide rail.

[0015] Specifically, second protective covers are provided at both ends of the second sliding block along the z-direction.

[0016] Specifically, a mounting plate is provided on the second sliding block, and a plurality of mounting holes are provided on the mounting plate.

[0017] Beneficial effects of the utility model:

[0018] The transmission device of the utility model can be applied to a laser cutting machine. As an xz two-axis driving mechanism of the laser cutting machine, a detection mechanism is provided. The detection mechanism includes a bracket, a first pressure sensor and a second pressure sensor. The first pressure sensor is connected to the air cavity of the first pneumatic device through an air duct and is used to detect the air pressure of the first pneumatic device. By performing real-time detection on the first pressure sensor, abnormalities of the first pneumatic device can be discovered in time; the second pressure sensor is connected to the air cavity of the second pneumatic device through an air duct and is used to detect the air pressure of the second pneumatic device. By performing real-time detection on the second pressure sensor, abnormalities can be discovered in time, thereby alerting the staff; the first pressure sensor and the second pressure sensor are detachably installed on the bracket, which is convenient for the staff to overhaul compared with traditional built-in sensors. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural diagram of the transmission device of the utility model;

[0020] Figure 2 This is an internal structure diagram of the transmission device of the utility model;

[0021] Figure 3 for Figure 2 Enlarged view of part C;

[0022] Figure 4 It is a front view of the transmission device of the utility model;

[0023] Figure 5 for Figure 4 Cross-section of the middle AA surface;

[0024] Figure 6 for Figure 4 Cross-section view of the middle BB surface.

[0025] The figures are marked as follows: x-axis transmission mechanism 10, mounting seat 11, first slider 12, z-axis transmission mechanism 20, sliding seat 21, second pneumatic device 22, second slider 23, detection mechanism 30, bracket 31, first pressure sensor 32, second pressure sensor 33, first card slot 311, second card slot 312, first clamp 34, second clamp 35, first guide rail 13, third slider 14, first positioning baffle 15, second positioning baffle 16, elastic pad 17, first protective cover 18, second guide rail 24, fourth slider 25, second protective cover 26, mounting plate 27, mounting hole 271. DETAILED DESCRIPTION

[0026] The present invention provides a transmission device with pressure detection. In order to make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not used to limit the present invention.

[0027] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] Please refer to Figures 1 to 6 As shown, this embodiment discloses a transmission device with pressure detection, comprising:

[0029] The x-axis transmission mechanism 10 comprises a mounting seat 11, a first pneumatic device fixed to the mounting seat 11 and driven along the x-axis direction, and a first slider 12 connected to the output end of the first pneumatic device;

[0030] The z-axis transmission mechanism 20 comprises a sliding seat 21 fixed to the first sliding block 12, a second pneumatic device 22 fixed to the sliding seat 21 and driven along the z-axis direction, and a second sliding block 23 connected to the output end of the second pneumatic device 22;

[0031] The detection mechanism 30 includes a bracket 31 fixed to the sliding seat 21, a first pressure sensor 32 and a second pressure sensor 33 detachably mounted on the bracket 31, the first pressure sensor 32 is connected to the air cavity of the first pneumatic device and is used to detect the air pressure of the first pneumatic device, and the second pressure sensor 33 is connected to the air cavity of the second pneumatic device 22 and is used to detect the air pressure of the second pneumatic device 22.

[0032] The transmission device of this embodiment can be applied to a laser cutting machine as an xz two-axis driving mechanism of the laser cutting machine, and a detection mechanism 30 is provided. The detection mechanism 30 includes a bracket 31, a first pressure sensor 32 and a second pressure sensor 33. The first pressure sensor 32 is connected to the air cavity of the first pneumatic device through an air duct and is used to detect the air pressure of the first pneumatic device. By performing real-time detection on the first pressure sensor 32, abnormalities of the first pneumatic device can be discovered in time; the second pressure sensor 33 is connected to the air cavity of the second pneumatic device 22 through an air duct and is used to detect the air pressure of the second pneumatic device 22. By performing real-time detection on the second pressure sensor 33, abnormalities can be discovered in time, thereby alerting the staff; the first pressure sensor 32 and the second pressure sensor 33 are detachably installed on the bracket 31, which is more convenient for staff to inspect and repair than traditional built-in sensors.

[0033] As a preferred embodiment, the bracket 31 of this embodiment is provided with a first card slot 311 and a second card slot 312, the first pressure sensor 32 is sleeved with a first card component 34, the first card component 34 is inserted into the first card slot 311, the second pressure sensor 33 is sleeved with a second card component 35, the second card component 35 is inserted into the second card slot 312, which is convenient for disassembly and assembly, the first card component 34 and the second card component 35 are both annular structures, and both can be made of elastic materials, which can not only improve the fit between the two and the first card slot 311 and the second card slot 312 to prevent loosening, but also improve the vibration resistance of the first pressure sensor 32 and the second pressure sensor 33.

[0034] In order to improve the conveying stability of the x-axis transmission mechanism 10, the x-axis transmission mechanism 10 of this embodiment also includes a first guide rail 13 arranged on the mounting seat 11 along the x-direction, and the first slider 12 is provided with a third slider 14 that slides with the first guide rail 13. The number of the first guide rail 13 and the third slider 14 are both two, and the two first guide rails 13 are respectively provided on both sides of the first slider 12, so as to improve the stability.

[0035] In order to limit the stroke of the x-axis transmission mechanism 10, a first positioning baffle 15 and a second positioning baffle 16 are provided on the mounting seat 11 of the present embodiment. The first slider 12 moves along the x-direction between the first positioning baffle 15 and the second positioning baffle 16. The stroke of the first slider 12 is limited by the first positioning baffle 15 and the second positioning baffle 16, and the structure is ingenious.

[0036] In addition, the first positioning baffle 15 and the second positioning baffle 16 of this embodiment are provided with an elastic pad 17 at one end facing the first slider 12. The elastic pad 17 is made of a material with a certain elasticity. When the first slider 12 moves to the maximum stroke, its end contacts the elastic pad 17, which can reduce noise on the one hand and improve the anti-collision and buffering effect of the first positioning baffle 15 and the second positioning baffle 16 on the other hand.

[0037] As a preferred implementation, both ends of the first slider 12 in the x-direction of this embodiment are provided with first protective covers 18 , and the first protective covers 18 are used to protect the interior of the x-axis transmission mechanism 10 to prevent dust accumulation inside the x-axis transmission mechanism 10 .

[0038] In order to improve the conveying stability of the z-axis transmission mechanism 20, the z-axis transmission mechanism 20 of this embodiment also includes a second guide rail 24 arranged on the sliding seat 21 along the z direction, and the second slider 23 is provided with a fourth slider 25 that slides with the second guide rail 24. The number of the second guide rail 24 and the fourth slider 25 are both two, and the two second guide rails 24 are respectively provided on both sides of the second slider 23, so as to improve the stability.

[0039] Second protective covers 26 are provided at both ends of the second sliding block 23 along the z-direction. The second protective covers 26 protect the interior of the z-axis transmission mechanism 20 to prevent dust from accumulating inside the z-axis transmission mechanism 20 .

[0040] As a preferred embodiment, a mounting plate 27 is provided on the second slider 23 of this embodiment. The mounting plate 27 is provided with a plurality of mounting holes 271 . The laser head can be fixed on the mounting plate 27 by engaging screws with the mounting holes 271 .

[0041] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of the present invention.

Claims

1. A transmission device with pressure detection, characterized in that: include: An x-axis transmission mechanism (10) comprises a mounting seat (11), a first pneumatic device fixed to the mounting seat (11) and driven along the x-axis direction, and a first slider (12) connected to an output end of the first pneumatic device; A z-axis transmission mechanism (20) comprising a sliding seat (21) fixed to the first sliding block (12), a second pneumatic device (22) fixed to the sliding seat (21) and driven along the z-axis direction, and a second sliding block (23) connected to an output end of the second pneumatic device (22); The detection mechanism (30) comprises a bracket (31) fixed to the sliding seat (21), a first pressure sensor (32) and a second pressure sensor (33) detachably mounted on the bracket (31), wherein the first pressure sensor (32) is connected to the air cavity of the first pneumatic device and is used to detect the air pressure of the first pneumatic device, and the second pressure sensor (33) is connected to the air cavity of the second pneumatic device (22) and is used to detect the air pressure of the second pneumatic device (22).

2. A transmission device with pressure detection according to claim 1, characterized in that: The bracket (31) is provided with a first card slot (311) and a second card slot (312); the first pressure sensor (32) is sleeved with a first card member (34), the first card member (34) is inserted into the first card slot (311); the second pressure sensor (33) is sleeved with a second card member (35), the second card member (35) is inserted into the second card slot (312).

3. A transmission device with pressure detection according to claim 1, characterized in that: The x-axis transmission mechanism (10) further comprises a first guide rail (13) arranged on the mounting seat (11) along the x-direction, and the first slider (12) is provided with a third slider (14) which is slidably matched with the first guide rail (13).

4. A transmission device with pressure detection according to claim 1, characterized in that: The mounting seat (11) is provided with a first positioning baffle (15) and a second positioning baffle (16); the first sliding block (12) moves between the first positioning baffle (15) and the second positioning baffle (16) along the x-direction; and an elastic pad (17) is provided at one end of the first positioning baffle (15) and the second positioning baffle (16) facing the first sliding block (12).

5. A transmission device with pressure detection according to claim 1, characterized in that: Both ends of the first sliding block (12) along the x-direction are provided with first protective covers (18).

6. A transmission device with pressure detection according to claim 1, characterized in that: The z-axis transmission mechanism (20) further comprises a second guide rail (24) arranged on the sliding seat (21) along the z-direction, and the second sliding block (23) is provided with a fourth sliding block (25) which is slidably matched with the second guide rail (24).

7. A transmission device with pressure detection according to claim 1, characterized in that: Second protective covers (26) are provided at both ends of the second sliding block (23) along the z-direction.

8. A transmission device with pressure detection according to claim 1, characterized in that: The second sliding block (23) is provided with a mounting plate (27), and the mounting plate (27) is provided with a plurality of mounting holes (271).

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