CN111993098A

CN111993098A - Sliding table with movable buffering function

Info

Publication number: CN111993098A
Application number: CN202010884753.9A
Authority: CN
Inventors: 何孔年
Original assignee: Wuhu Yikang Intelligent Technology Co ltd
Current assignee: Wuhu Yikang Intelligent Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-27

Abstract

The invention discloses a sliding table with a movable buffering function, which relates to the field of mechanical platform devices, and aims to solve the problem of poor protection effect of the conventional safety protection device of a common mechanical sliding table. The safety protection device for the sliding table is novel in structure, efficient, stable and reasonable in structural layout, and effectively solves the problem that the safety protection device for the common mechanical sliding table is poor in protection effect.

Description

Sliding table with movable buffering function

Technical Field

The invention relates to the field of mechanical platform devices, in particular to a sliding table with a moving buffering function.

Background

The movable sliding table device is a convenient and efficient workbench and is widely applied to equipment needing flexible and accurate station position change, such as a fixed planer type milling machine, a drilling machine, a laser cutting machine and the like in machining equipment, wherein the movable sliding table device is provided with a mechanical device operated manually and a large number of intelligent numerical control devices, the movable sliding table device drives a lead screw to rotate for a certain number of turns through a stepping motor and controls the moving distance of the sliding table through an accurate thread pitch, and can achieve quick and accurate positioning, but because of strong moving and positioning capacity of the sliding table, certain dangerousness is brought to the device, for example, when operation errors or programming errors occur, the sliding table moves to a limit position, faults or even damages are caused due to motor blockage, so the device is generally provided with a pressure sensor, and when a pressure value exceeds a set value, an alarm is given and the device is stopped, to avoid further deterioration of the fault.

Common pressure sensor assembly forms on the market all adopt the hard connection, and the condition that can take place to bump hard with the sensor when slip table shift position surpasses the limit promptly all has certain harm to equipment structure and sensor itself, therefore in order to solve above-mentioned problem, we have proposed a slip table that has the buffering effect of removing.

Disclosure of Invention

The sliding table with the moving buffering function provided by the invention solves the problem of poor protection effect of a safety protection device of a common mechanical sliding table.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a slip table with remove cushioning effect, includes the main part, the both ends of main part are all matchd and are installed the baffle, just the baffle is the symmetric distribution about the main part, it installs line rail, drive lead screw and slip table to lie in the matching between two sets of baffles in the main part, just line rail and drive lead screw all are mutually perpendicular form with the baffle, the line rail is the symmetric distribution about the main part, just slip table is sliding connection with the line rail, the slip table is threaded connection with the drive lead screw, and is located buffer and pressure sensor are all installed to one side of baffle, buffer and pressure sensor all are the symmetric distribution about the baffle, and two sets of the buffer distributes in the both sides of keeping away from each other in two sets of pressure sensor, the buffer includes shell, thimble and spring.

Preferably, the pressure sensor and the buffer are symmetrically distributed throughout the main body.

Preferably, the bottom of slip table articulates there is the pivot, just pivot and slip table are mutually perpendicular form, the fixed cover of one end of keeping away from the slip table of pivot has connect the gear, just the main part is located one side inner wall that is close to the gear and installs the rack along its length direction, the rack is the meshing form with the gear.

Preferably, the main part is located one side inner wall of keeping away from the rack and installs the slide-wire displacement inductor along its length direction, just the slide-wire displacement inductor is the form of being parallel to each other with the rack, the slip table is sliding connection with the slide-wire displacement inductor, just the slide-wire displacement inductor corresponds installs the spout parallel with the rack.

Preferably, the thimble and the spring are both in sliding sleeve joint with the shell, and one end of the thimble far away from the spring penetrates through the shell.

Preferably, the one end that the thimble was kept away from to the shell articulates there is the valve, just the bottom of valve is located the one side matching of keeping away from the spring and installs the extension spring.

The invention has the beneficial effects that:

1. when the sliding table of the device moves or is static, the device can accurately monitor the state, the moving direction and the real-time position of the sliding table through the cooperation of the gear and the rack with the slide wire displacement sensor.

2. The device compresses air and a spring in the shell through the ejector pin, and when the pin of the movable base enters the socket, the air is discharged from the reserved air outlet hole to play a role in buffering, otherwise, when the pin of the movable base is discharged, certain suction force is generated, and the valve is opened.

3. The pressure sensor and the buffer of the device are distributed on the baffle plate, so that the sliding table is firstly in contact with the buffer and then in contact with the pressure sensor, the pressure sensor is effectively protected, and the pressure sensor is prevented from being damaged due to overload.

To sum up, the device is high-efficient, stable and structural layout is reasonable, the effectual relatively poor problem of ordinary mechanical slip table safety arrangement protection effect that has solved.

Drawings

FIG. 1 is a top view of the present invention.

Fig. 2 is a schematic assembly view of the slide wire displacement sensor of the present invention.

Fig. 3 is a schematic view of the assembly of the gear and the rack of the present invention.

FIG. 4 is a schematic diagram of the internal structure of the buffer according to the present invention.

Reference numbers in the figures: 1. a main body; 2. a baffle plate; 3. a wire track; 4. driving the screw rod; 5. a sliding table; 6. a buffer; 7. a pressure sensor; 8. a rotating shaft; 9. a gear; 10. a rack; 11. a slide wire displacement sensor; 12. a housing; 13. a thimble; 14. a spring; 15. a shutter; 16. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a slip table with remove cushioning effect, including main part 1, the both ends of main part 1 are all matchd and are installed baffle 2, just baffle 2 is the symmetric distribution about main part 1, it installs line rail 3, drive lead screw 4 and slip table 5 to lie in the matching between two sets of baffles 2 in the main part 1, just line rail 3 and drive lead screw 4 all are mutually perpendicular form with baffle 2, line rail 3 is the symmetric distribution about main part 1, just slip table 5 is sliding connection with line rail 3, slip table 5 is threaded connection with drive lead screw 4, and lies in buffer 6 and pressure sensor 7 are all installed to one side of baffle 2, buffer 6 and pressure sensor 7 all are the symmetric distribution about baffle 2, and two sets of buffer 6 distributes in the both sides of keeping away from each other of two sets of pressure sensor 7, buffer 6 includes shell 12, Thimble 13 and spring 14, pressure sensor 7 and buffer 6 all run through in main part 1 and are the symmetric distribution, the bottom of slip table 5 articulates there is pivot 8, just pivot 8 is mutually perpendicular form with slip table 5, the fixed cover of the one end of keeping away from slip table 5 of pivot 8 has connect gear 9, just main part 1 is located one side inner wall that is close to gear 9 and installs rack 10 along its length direction, rack 10 is the meshing form with gear 9, main part 1 is located one side inner wall that keeps away from rack 10 and installs slide-wire displacement inductor 11 along its length direction, just slide-wire displacement inductor 11 is the form of running parallel to each other with rack 10, slip table 5 is sliding connection with slide-wire displacement inductor 11, just slide-wire displacement inductor 11 corresponds installs the spout that is parallel with rack 10, thimble 13 and spring 14 all are sliding sleeve with shell 12, and the one end that spring 14 was kept away from to thimble 13 runs through in shell 12, the one end that shell 12 kept away from thimble 13 articulates there is valve 15, just the bottom of valve 15 is located the one side of keeping away from spring 14 and matches and install extension spring 16.

The device is characterized in that a stepping motor is connected with a driving screw rod 4 through a coupler, the driving screw rod 4 is driven to rotate through the stepping motor, so that the driving screw rod 4 drives a sliding table 5 to move along a linear rail 3 through a thread pitch driving force, a rack 10 and a sliding line displacement sensor 11 are respectively arranged on the inner walls of two sides of a main body 1, one side of the sliding table 5 is connected with the rack 10 through a rotating shaft 8 and a gear 9, the other side of the sliding table is in lap joint with the sliding line displacement sensor 11, and when the sliding table 5 moves, the moving direction and the real-time position of the sliding table 5 are accurately monitored through the gear 9 and the rack 10 in cooperation with the sliding line displacement sensor 11; when the sliding table 5 impacts a certain end of the main body 1, the sliding table 5 firstly contacts the ejector pin 13 on the buffer 6 and pushes the ejector pin 13 to push the shell 12, so that the air and the spring 14 in the shell 12 are compressed, the air overflows through the air hole on the valve 15, the air overflowing speed is limited by the size of the air hole, the sliding table 5 is buffered by matching with the spring 14, along with the outflow of the air, the sliding table 5 contacts the pressure sensor 7, when the pressure value received by the pressure sensor 7 reaches a set value, the device is shut down and protected to prevent the device from being damaged due to overload, after the fault is exhausted, the ejector pin 13 is reset through the spring 14, vacuum is formed when the ejector pin 13 is reset, the valve 15 is opened through a hinge, the airflow flow is increased to prevent air resistance, and when the ejector pin 13 returns to a zero position, the valve.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a slip table with remove cushioning effect, includes main part (1), its characterized in that, baffle (2) are all installed in the matching at the both ends of main part (1), just baffle (2) are symmetric distribution about main part (1), it installs line rail (3), drive lead screw (4) and slip table (5) to lie in the matching between two sets of baffle (2) in main part (1), just line rail (3) and drive lead screw (4) all are mutually perpendicular form with baffle (2), line rail (3) are symmetric distribution about main part (1), just slip table (5) are sliding connection with line rail (3), slip table (5) are threaded connection with drive lead screw (4), and lie in buffer (6) and pressure sensor (7) are all installed to one side of baffle (2), buffer (6) and pressure sensor (7) all are symmetric distribution about baffle (2), and the two groups of buffers (6) are distributed on two sides of the two groups of pressure sensors (7) which are far away from each other, and each buffer (6) comprises a shell (12), a thimble (13) and a spring (14).

2. A slide with movement damping according to claim 1, characterised in that the pressure sensors (7) and the dampers (6) are symmetrically distributed throughout the body (1).

3. The sliding table with the moving buffering function as claimed in claim 1, wherein a rotating shaft (8) is hinged to the bottom end of the sliding table (5), the rotating shaft (8) and the sliding table (5) are perpendicular to each other, a gear (9) is fixedly sleeved on one end of the rotating shaft (8) far away from the sliding table (5), a rack (10) is installed on the inner wall of one side, close to the gear (9), of the main body (1) along the length direction of the main body, and the rack (10) is meshed with the gear (9).

4. The sliding table with the movement buffering function according to claim 3, wherein the main body (1) is provided with a sliding line displacement sensor (11) on the inner wall of one side far away from the rack (10) along the length direction of the main body, the sliding line displacement sensor (11) and the rack (10) are parallel to each other, the sliding table (5) is in sliding connection with the sliding line displacement sensor (11), and the sliding line displacement sensor (11) is correspondingly provided with a sliding groove parallel to the rack (10).

5. The sliding table with the movement buffering function according to claim 4, wherein the ejector pin (13) and the spring (14) are slidably sleeved with the housing (12), and one end of the ejector pin (13) far away from the spring (14) penetrates through the housing (12).

6. The sliding table with the movement buffering function according to claim 5, wherein one end, away from the thimble (13), of the shell (12) is hinged to a valve (15), and the bottom end of the valve (15) is located on one side, away from the spring (14), of the valve and is provided with a tension spring (16) in a matched mode.