CN214684779U

CN214684779U - Safety operation structure of exchange workbench

Info

Publication number: CN214684779U
Application number: CN202023123933.XU
Authority: CN
Inventors: 刘峰; 李振光
Original assignee: Ruitie Machine Tool Suzhou Co ltd
Current assignee: Ruitie Machine Tool Suzhou Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-11-12
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a change table safe operation structure relates to the change table field, including main part, drive mechanism and running gear, the main part is including the lathe, the switching motor is installed to the one end of lathe. The utility model discloses a set up drive mechanism, in the moving of drive mechanism, it calculates the chain and drives the distance that the cutting box moved through the pulling axis to drive through the rotatory number of turns of No. three sprockets to drive the encoder, slow moving slows down when the cutting box targets in place soon and puts to the position of taking one's place of cutting box, the encoder converts angle displacement or linear displacement into the signal of telecommunication, and carry the signal of telecommunication to the arithmetic circuitry, the arithmetic circuitry handles the back to the signal of telecommunication, trun into digital signal and send to control terminal, the removal length of the rotatory number of turns conversion of No. three sprockets this moment can more audio-visual demonstration come out, the point that probably breaks down when the exchange of simple structure exchange platform still less, it is more convenient that the debugging is maintained.

Description

Safety operation structure of exchange workbench

Technical Field

The utility model relates to a change table field specifically is a change table safe operation structure.

Background

The laser exchange workbench is a workbench which carries a workpiece to be processed to move, has the function of transferring the workpiece, and is matched with the inductive switch to convey the workpiece to a preset position for laser processing.

However, the processing breadth of the laser cutting machine is continuously increased along with the continuous increase of the power of a laser, and the increase of the load of exchange traction due to the increase of parts processed by the breadth increase is also increased, so that the common unilateral chain transmission structure is easy to cause that when the cutting box body is pulled to move, only one side of the cutting box body is stressed to move, the cutting box body is obliquely pulled to deviate from a rail; meanwhile, the cutting box body is controlled to move in place by means of speed reduction of the inductive switch, so that the cutting box body cannot be operated when one person is troubled in debugging, and the cutting box body is unsafe to enter the machine tool when being checked and maintained in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the problem that when a single-side chain pulls a large-size heavy-load cutting box body during exchange, the cutting box body is likely to deviate or fall off a track due to unbalanced traction force distribution is solved; meanwhile, the cutting box body is stopped to be controlled to move by means of the deceleration of the inductive switch, the cutting box body is inconvenient to install, overhaul and maintain, the cutting box body cannot be operated when being debugged by one person, and the cutting box body is unsafe to enter the interior of a machine tool when being checked and maintained during use.

In order to achieve the above object, the utility model provides a following technical scheme: a safety operation structure of an exchange workbench comprises a main body, a transmission mechanism and an operation mechanism, wherein the main body comprises a machine tool, one end of the machine tool is provided with an exchange motor, the output end of the exchange motor is connected with a motor transmission shaft, and the transmission mechanism is symmetrically arranged on two sides of the inner wall of the machine tool and two sides of the tail end of the machine tool;

wherein, drive mechanism is including the rolling bearing who is located motor drive shaft one end, motor drive shaft's one end is connected with the sprocket No. one, the outer wall connection of sprocket has drive chain, drive chain's one end inner wall connection has the sprocket No. two, the one end of sprocket No. two is connected with the sprocket No. three, the outer wall connection of sprocket No. three has the exchange chain, the one end inner wall connection of exchange chain has tight sprocket that rises, the outer wall connection of exchange chain has the pulling axis.

Preferably, the running mechanism is connected with No. two cutting box bodies including the cutting box body that is located the lathe inner wall below the one side that the inner wall of lathe is located a cutting box body, the encoder is installed to the outer wall of No. two sprockets.

Preferably, the second chain wheel and the third chain wheel are connected through a fixed shaft.

Preferably, the outer walls of the first chain wheel and the second chain wheel are meshed with the inner wall of the transmission chain, and the second chain wheel and the third chain wheel are the same in size and rotate synchronously.

Preferably, the outer walls of the third chain wheel and the tensioning chain wheel are meshed with the inner wall of the exchange chain.

Preferably, the bottom ends of two sides of the front parts of the first cutting box body and the second cutting box body are connected with the exchange chain through a pulling shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the drive mechanism of both sides, in the time of drive mechanism moving, it calculates the rotatory number of turns of No. three sprocket and calculates the chain and drives the pulling axis to drive the distance of cutting box motion, slow moving to the cutting box position of taking one's place fast when putting in place to cut the box, the encoder converts angle displacement or linear displacement into the signal of telecommunication, and carry the signal of telecommunication to arithmetic circuit, arithmetic circuit handles the back to the signal of telecommunication, trun into digital signal and send to control terminal, simple structure switching center is more stable when the exchange, the point that probably breaks down still less, it is more convenient to debug and maintain.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the present invention A;

FIG. 3 is an enlarged view of the present invention B;

fig. 4 is a schematic structural view of the operation mechanism of the present invention;

FIG. 5 is a cross-sectional view of the operation mechanism of the present invention;

fig. 6 is a schematic view of the encoder according to the present invention.

In the figure: 11. a machine tool; 12. a switching motor; 13. a motor transmission shaft; 20. a transmission mechanism; 21. a pedestal bearing; 22. a first chain wheel; 23. a drive chain; 24. a second sprocket; 25. a third sprocket; 26. exchanging chains; 27. pulling a shaft; 28. a tension chain wheel; 30. an operation mechanism; 31. cutting the box body; 32. cutting the box body; 33. an encoder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-6, a safety operation structure of an exchange workbench comprises a main body, a transmission mechanism 20 and an operation mechanism 30, wherein the main body comprises a machine tool 11, an exchange motor 12 is installed at one end of the machine tool 11, the output end of the exchange motor 12 is connected with a motor transmission shaft 13, and the transmission mechanism 20 is symmetrically arranged at two sides of the inner wall of the machine tool and two sides of the tail end of the machine tool;

wherein, drive mechanism 20 is including the rolling bearing 21 that is located motor drive shaft 13 one end, motor drive shaft 13's one end is connected with sprocket 22 No. one, the outer wall connection of sprocket 22 has drive chain 23, drive chain 23's one end inner wall connection has sprocket 24 No. two, No. two sprocket 24's one end is connected with sprocket 25 No. three, sprocket 25's outer wall connection has exchange chain 26, exchange chain 26's one end inner wall connection has tight sprocket 28 that rises, exchange chain 26's outer wall connection has pulling shaft 27.

Referring to fig. 4-6, the operation mechanism 30 includes a first cutting box 31 located on the inner wall of the machine tool 11, a second cutting box 32 connected to the lower portion of the inner wall of the machine tool 11 located on one side of the first cutting box 31, and an encoder 33 installed on the outer wall of the second sprocket 24 for counting the number of turns of the third sprocket 25 through the encoder 33.

Please refer to fig. 2, the second sprocket 24 and the third sprocket 25 are connected by a fixed shaft, so that the second sprocket 24 rotates to drive the third sprocket 25 to rotate.

Please refer to fig. 2, the outer walls of the first sprocket 22 and the second sprocket 24 are engaged with the inner wall of the transmission chain 23, and the second sprocket 24 and the third sprocket 25 have the same number of teeth and rotate synchronously, so that the first sprocket 22 rotates to drive the second sprocket 24 to rotate through the transmission chain 23, thereby driving the third sprocket 25 to rotate.

Referring to fig. 2 and 3, the outer walls of the third sprocket 25 and the tension sprocket 28 are engaged with the inner wall of the exchanging chain 26, so that the third sprocket 25 rotates and drives the tension sprocket 28 to rotate through the exchanging chain 26.

Please refer to fig. 4, the bottom ends of the two front sides of the first cutting box 31 and the second cutting box 32 are connected to the exchanging chain 26 through the pulling shaft 27, so that the exchanging chain 26 rotates to drive the first cutting box 31 and the second cutting box 32 connected to the pulling shaft 27 to move.

The working principle is as follows: firstly, the switching motor 12 operates and pulls the bottom ends of the two front sides of the first cutting box 31 and the second cutting box 32 to move simultaneously, the middle motor transmission shaft 13 drives the first chain wheel 22 to rotate, the transmission chain 23 drives the second chain wheel 24 to rotate, the third chain wheel 25 drives the switching chain 26 to drive the tensioning chain wheel 28 at the forefront side to rotate so as to drive the pulling shaft 27 on the switching chain to pull the first cutting box 31 and the second cutting box 32 to move stably, the distance for driving the first cutting box 31 and the second cutting box 32 to move by the pulling shaft 27 is calculated by the number of rotating turns of the third chain wheel 25 through an encoder added on a wheel shaft of the second chain wheel 24, the distance is reduced and slowly moved to the position of the cutting box when the cutting box is in place, the encoder 33 converts angular displacement or linear displacement into an electric signal and transmits the electric signal to an arithmetic circuit, the arithmetic circuit processes the electric signal, converts the electric signal into a digital signal and sends the digital signal to the control terminal, and the moving length converted by the number of rotation turns of the third chain wheel 25 can be displayed more intuitively.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a change table safe operation structure, includes main part, drive mechanism (20) and running gear (30), its characterized in that: the main body comprises a machine tool (11), an exchange motor (12) is installed at one end of the machine tool (11), an output end of the exchange motor (12) is connected with a motor transmission shaft (13), and the transmission mechanisms (20) are symmetrically arranged on two sides of the inner wall of the machine tool and two sides of the tail end of the machine tool;

wherein, drive mechanism (20) is including rolling up a seat bearing (21) that is located motor drive shaft (13) one end, the one end of motor drive shaft (13) is connected with sprocket (22) No. one, the outer wall connection of sprocket (22) has drive chain (23), the one end inner wall connection of drive chain (23) has No. two sprockets (24), the one end of No. two sprockets (24) is connected with No. three sprocket (25), the outer wall connection of No. three sprocket (25) has exchange chain (26), the one end inner wall connection of exchange chain (26) has tight sprocket (28), the outer wall connection of exchange chain (26) has pulling shaft (27).

2. A swap table security operating structure, according to claim 1, wherein: operation mechanism (30) are connected with No. two cutting box (32) including cutting box (31) that are located lathe (11) inner wall one side below that the inner wall of lathe (11) is located cutting box (31), encoder (33) are installed to the outer wall of No. two sprocket (24).

3. A swap table security operating structure, according to claim 1, wherein: the second chain wheel (24) is connected with the third chain wheel (25) through a fixed shaft.

4. A swap table security operating structure, according to claim 1, wherein: the outer walls of the first chain wheel (22) and the second chain wheel (24) are meshed with the inner wall of the transmission chain (23), and the second chain wheel (24) and the third chain wheel (25) are identical in size and rotate synchronously.

5. A swap table security operating structure, according to claim 1, wherein: the outer walls of the third chain wheel (25) and the tensioning chain wheel (28) are meshed with the inner wall of the exchange chain (26).

6. A swap table security operating structure, according to claim 2, wherein: the bottom ends of the two sides of the front parts of the first cutting box body (31) and the second cutting box body (32) are connected with the exchange chain.