Automatic door opening and closing structure of machine tool and numerical control machine tool

Abstract

The utility model belongs to the technical field of numerical control machine tools, and particularly relates to a machine tool automatic door opening and closing structure and a numerical control machine tool. Comprising a fixed door shell fixedly installed on a machine tool, a movable door shell movably covering the fixed door shell, buffer mechanisms arranged at the two ends of the fixed door shell, and a door opening and closing driving mechanism arranged between the machine tool and the movable door shell. The door opening and closing driving mechanism automatically drives the movable door shell to move to the door opening state or the door closing state relative to the fixed door shell, meanwhile, the buffering mechanisms at the two ends of the fixed door shell are used for buffering when the movable door shell moves relative to the fixed door shell, automatic door opening and closing are achieved, time and labor are saved, and use is safer.

Description

[Technical field]

[0001] The utility model belongs to the technical field of numerically controlled machine tools, and in particular relates to an automatic opening and closing door structure of a machine tool and a numerically controlled machine tool. [Background technology]

[0002] CNC machine tool is the abbreviation of digital control machine tool, which is an automated machine tool equipped with a program control system. With the continuous progress and development of modern economic technology, an auxiliary device is often used in the process of using CNC machine tools, that is, the CNC machine tool isolation door, which not only limits the generated waste materials inside the machine tool, but also puts the staff in a safe working environment. However, the existing CNC machine tool isolation doors need to be opened and closed manually through handles, which is time-consuming and labor-intensive, and there are still safety hazards when manually touching the CNC machine tool to open and close the door. [Contents of the utility model]

[0003] The utility model aims to provide a machine tool automatic door opening and closing structure which can realize automatic door opening and closing, save time and labor, and is safer to use.

[0004] The utility model is realized by the following technical solutions:

[0005] A machine tool automatic door opening and closing structure, comprising:

[0006] A fixed door housing, which is used for fixed installation on a machine tool;

[0007] A movable door shell, wherein a movable cover is arranged on the fixed door shell;

[0008] A buffer mechanism is provided at both ends of the fixed door housing and is used to buffer the movable door housing;

[0009] The door opening and closing driving mechanism is arranged between the machine tool and the movable door housing, and is used for driving the movable door housing to move to an open door state or a closed door state relative to the fixed door housing.

[0010] As described above, the automatic door opening and closing structure of a machine tool, the door opening and closing driving mechanism comprises:

[0011] A telescopic drive cylinder is provided on the machine tool, and a telescopic end is connected to one end of the movable door housing, and is used to drive the movable door housing to move relative to the fixed door housing;

[0012] A door guide rail is provided on the machine tool along the moving direction of the movable door housing;

[0013] A door-opening and closing slider is movably arranged on a door-opening and closing guide rail;

[0014] The switch door connecting piece has one end connected to the movable door housing and the other end connected to the switch door sliding block.

[0015] In the automatic door opening and closing structure of a machine tool as described above, the number of the door opening and closing slider and the number of the door opening and closing connectors are both two, and the two door opening and closing connectors are respectively arranged at the two ends of the movable door housing.

[0016] In the automatic door opening and closing structure of a machine tool as described above, a door limiting mechanism is provided between the movable door housing and the fixed door housing, and the door limiting mechanism is used to limit the movable door housing from moving in a direction away from the fixed door housing.

[0017] In the automatic opening and closing door structure of a machine tool as described above, the door limiting mechanism includes a first limiting protrusion arranged on the edge of one end of the fixed door shell near the movable door shell, and a second limiting protrusion arranged on the edge of one end of the movable door shell near the fixed door shell, the first limiting protrusion and the second limiting protrusion are arranged opposite to each other, and when the movable door shell moves away from the fixed door shell to a closed state, the first limiting protrusion and the second limiting protrusion are abutted against each other to limit the movable door shell from moving away from the fixed door shell.

[0018] As described above, a machine tool automatic opening and closing door structure, the buffer mechanism includes a first buffer arranged on the machine tool, a first buffer pad arranged at an end of the movable door shell away from the fixed door shell, a second buffer arranged at an end of the fixed door shell away from the movable door shell, and a second buffer pad arranged at an end of the movable door shell close to the fixed door shell, the first buffer corresponds to the first buffer pad, and the second buffer corresponds to the second buffer pad.

[0019] In the automatic opening and closing door structure of a machine tool as described above, the cross section of the movable door shell is C-shaped, and a movable insertion protrusion is provided at the lower end of the movable door shell.

[0020] In the automatic opening and closing door structure of a machine tool as described above, a fixed insertion protrusion extends from the edge of the fixed door shell near the machine tool, a movable channel is formed between the fixed insertion protrusion and the machine tool, and the movable insertion protrusion can move along the movable channel.

[0021] A numerically controlled machine tool comprises a machine tool and the above-described automatic door opening and closing structure for the machine tool arranged on the machine tool, wherein the machine tool comprises a machine tool base and a machine tool shell arranged on the machine tool base, wherein a machine tool opening is formed between the machine tool shell and the machine tool base, wherein the automatic door opening and closing structure for the machine tool is arranged on the machine tool base and located in the machine tool opening, and wherein the door opening and closing drive mechanism is used to drive the movable door shell to move relative to the fixed door shell to close the machine tool opening so as to be in a closed state.

[0022] Compared with the prior art, the utility model has the following advantages:

[0023] The utility model provides an automatic door opening and closing structure for a machine tool, comprising a fixed door shell body fixedly mounted on the machine tool, a movable door shell body with a movable cover arranged on the fixed door shell body, a buffer mechanism arranged at both ends of the fixed door shell body, and a door opening and closing driving mechanism arranged between the machine tool and the movable door shell body. When in use, the movable door shell body is automatically driven by the door opening and closing driving mechanism to move relative to the fixed door shell body to an open door state or a closed door state. At the same time, the buffer mechanisms at both ends of the fixed door shell body are used to buffer the movement of the movable door shell body relative to the fixed door shell body, thereby realizing automatic door opening and closing, saving time and labor, and being safer to use.

Brief Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0025] Figure 1 It is a structural schematic diagram of a CNC machine tool in a specific implementation mode of the utility model;

[0026] Figure 2 It is a schematic diagram of the exploded structure of the fixed door housing and the movable door housing in a specific implementation manner of the utility model;

[0027] Figure 3 It is a structural schematic diagram of a CNC machine tool after hiding the automatic opening and closing door structure of the machine tool in a specific implementation manner of the utility model. [Specific implementation method]

[0028] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] When the embodiments of the present invention mention ordinal numbers such as "first" and "second", unless they do express the meaning of order according to the context, they should be understood as being merely for distinction.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Specific embodiments, such as Figure 1-3The structure of automatic door opening and closing of a machine tool shown in the figure comprises: a fixed door housing 1, which is used for being fixedly installed on the machine tool; a movable door housing 2, whose movable cover is arranged on the fixed door housing 1; a buffer mechanism 3, which is arranged at both ends of the fixed door housing 1, and is used for buffering the movable door housing 2; and a door opening and closing driving mechanism 4, which is arranged between the machine tool and the movable door housing 2, and is used for driving the movable door housing 2 to move to an open state or a closed state relative to the fixed door housing 1. When in use, the movable door housing is automatically driven to move to an open state or a closed state relative to the fixed door housing by the door opening and closing driving mechanism, and at the same time, the buffer mechanisms at both ends of the fixed door housing buffer the movement of the movable door housing relative to the fixed door housing, thereby realizing automatic door opening and closing, saving time and effort, and being safer to use.

[0032] Specifically, the door opening and closing driving mechanism 4 includes: a telescopic driving cylinder 41, which is arranged on the machine tool, and the telescopic end is connected to one end of the movable door housing 2, and is used to drive the movable door housing 2 to move relative to the fixed door housing 1; a door opening and closing guide rail 42, which is arranged on the machine tool along the moving direction of the movable door housing 2; a door opening and closing slider 43, which is movably arranged on the door opening and closing guide rail 42; and a door opening and closing connecting member 44, one end of which is connected to the movable door housing 2, and the other end is connected to the door opening and closing slider 43. The telescopic end of the telescopic driving cylinder 41 is telescopic to push the movable door housing 2 to move relative to the fixed door housing 1, so as to realize automatic door opening, saving time and labor.

[0033] In addition, in order to make the movable door housing 2 move more smoothly, there are two of the door opening and closing sliders 43 and the door opening and closing connectors 44, and the two door opening and closing connectors 44 are respectively arranged at both ends of the movable door housing 2.

[0034] Furthermore, a door limiting mechanism 5 is provided between the movable door housing 2 and the fixed door housing 1 , and the door limiting mechanism 5 is used to limit the movable door housing 2 from moving in a direction away from the fixed door housing 1 .

[0035] More specifically, the door limiting mechanism 5 includes a first limiting protrusion 51 provided on the edge of one end of the fixed door shell 1 close to the movable door shell 2, and a second limiting protrusion 52 provided on the edge of one end of the movable door shell 2 close to the fixed door shell 1. The first limiting protrusion 51 and the second limiting protrusion 52 are arranged opposite to each other. When the movable door shell 2 moves away from the fixed door shell 1 to a closed state, the first limiting protrusion 51 and the second limiting protrusion 52 are abutted against each other to limit the movable door shell 2 from moving away from the fixed door shell 1.

[0036] Further, in order to prevent the movable door housing 2 from colliding with the machine tool during movement, or causing the second limiting protrusion 52 and the first limiting protrusion 51 to collide with excessive force and thus be damaged, the buffer mechanism 3 includes a first buffer 31 disposed on the machine tool, a first buffer pad 32 disposed at an end of the movable door housing 2 away from the fixed door housing 1, a second buffer 33 disposed at an end of the fixed door housing 1 away from the movable door housing 2, and a second buffer pad 34 disposed at an end of the movable door housing 2 close to the fixed door housing 1, wherein the first buffer 31 corresponds to the first buffer pad 32, and the second buffer 33 corresponds to the second buffer pad 34. The first buffer 31 and the second buffer 33 may be hydraulic buffers, rubber buffers, spring buffers, etc.

[0037] Furthermore, the cross section of the movable door housing 2 is C-shaped, and a movable insertion protrusion 21 is provided at the lower end of the movable door housing 2. The movable insertion protrusion 21 is used to insert the movable door housing 2 into the machine tool, and the structure is more compact.

[0038] Specifically, a fixed insertion protrusion 11 extends from the edge of the fixed door housing 1 close to the machine tool, a movable channel 6 is formed between the fixed insertion protrusion 11 and the machine tool, and the movable insertion protrusion 21 can move along the movable channel 6 .

[0039] The utility model also discloses a CNC machine tool, including a machine tool 7, and the machine tool automatic opening and closing door structure as described above, which is arranged on the machine tool 7. The machine tool 7 includes a machine tool base 71, and a machine tool shell 72 arranged on the machine tool base 71. A machine tool opening 8 is formed between the machine tool shell 72 and the machine tool base 71. The machine tool automatic opening and closing door structure is arranged on the machine tool base 71 and is located in the machine tool opening 8. The opening and closing door driving mechanism 4 is used to drive the movable door shell 2 to move relative to the fixed door shell 1 to the closed machine tool opening 8 so as to be in a closed state.

[0040] The above is an implementation method provided in combination with specific content, and it is not considered that the specific implementation of the utility model is limited to these descriptions. At the same time, due to different industry names, it is not limited to the above names, nor is it limited to English names. Any method, structure, etc. similar to or identical to the method, structure, etc. of the utility model, or a number of technical deductions or replacements made on the premise of the concept of the utility model, shall be regarded as the protection scope of the utility model.

Claims

1. A machine tool automatic door opening and closing structure, characterized in that: include: A fixed door housing (1) is used for being fixedly installed on a machine tool; A movable door housing (2), wherein a movable cover is arranged on the fixed door housing (1); A buffer mechanism (3) is arranged at both ends of the fixed door housing (1) and is used to buffer the movable door housing (2); The door opening and closing driving mechanism (4) is arranged between the machine tool and the movable door housing (2) and is used to drive the movable door housing (2) to move relative to the fixed door housing (1) to an open door state or a closed door state.

2. The automatic door opening and closing structure of a machine tool according to claim 1, characterized in that: The door opening and closing driving mechanism (4) comprises: A telescopic drive cylinder (41) is arranged on the machine tool, and the telescopic end is connected to one end of the movable door housing (2), and is used to drive the movable door housing (2) to move relative to the fixed door housing (1); A door opening and closing guide rail (42) is arranged on the machine tool along the moving direction of the movable door housing (2); A door-opening and closing sliding block (43) is movably arranged on the door-opening and closing guiding rail (42); The door opening and closing connecting piece (44) has one end connected to the movable door housing (2) and the other end connected to the door opening and closing sliding block (43).

3. The automatic door opening and closing structure of a machine tool according to claim 2, characterized in that: There are two of each of the door-opening and closing sliding blocks (43) and the door-opening and closing connecting members (44), and the two door-opening and closing connecting members (44) are respectively arranged at two ends of the movable door housing (2).

4. The automatic door opening and closing structure of a machine tool according to claim 1, characterized in that: A door limiting mechanism (5) is provided between the movable door housing (2) and the fixed door housing (1), and the door limiting mechanism (5) is used to limit the movable door housing (2) from moving in a direction away from the fixed door housing (1).

5. The automatic door opening and closing structure of a machine tool according to claim 4, characterized in that: The door limiting mechanism (5) comprises a first limiting protrusion (51) provided on the edge of one end of the fixed door shell (1) close to the movable door shell (2), and a second limiting protrusion (52) provided on the edge of one end of the movable door shell (2) close to the fixed door shell (1), wherein the first limiting protrusion (51) and the second limiting protrusion (52) are arranged opposite to each other, and when the movable door shell (2) moves away from the fixed door shell (1) to a door closing state, the first limiting protrusion (51) and the second limiting protrusion (52) abut against each other to limit the movable door shell (2) from moving in a direction away from the fixed door shell (1).

6. The automatic door opening and closing structure of a machine tool according to claim 1, characterized in that: The buffer mechanism (3) comprises a first buffer (31) arranged on the machine tool, a first buffer pad (32) arranged at an end of the movable door housing (2) away from the fixed door housing (1), a second buffer (33) arranged at an end of the fixed door housing (1) away from the movable door housing (2), and a second buffer pad (34) arranged at an end of the movable door housing (2) close to the fixed door housing (1), wherein the first buffer (31) corresponds to the first buffer pad (32), and the second buffer (33) corresponds to the second buffer pad (34).

7. The automatic door opening and closing structure of a machine tool according to claim 1, characterized in that: The movable door housing (2) has a C-shaped cross section, and a movable insertion protrusion (21) is provided at the lower end of the movable door housing (2).

8. The automatic door opening and closing structure of a machine tool according to claim 7, characterized in that: A fixed insertion protrusion (11) extends from the edge of the fixed door housing (1) close to the machine tool, a movable channel (6) is formed between the fixed insertion protrusion (11) and the machine tool, and the movable insertion protrusion (21) can move along the movable channel (6).

9. A CNC machine tool, characterized in that: The invention comprises a machine tool (7) and a machine tool automatic opening and closing door structure as claimed in any one of claims 1 to 8 and arranged on the machine tool (7); the machine tool (7) comprises a machine tool base (71) and a machine tool housing (72) arranged on the machine tool base (71); a machine tool opening (8) is formed between the machine tool housing (72) and the machine tool base (71); the machine tool automatic opening and closing door structure is arranged on the machine tool base (71) and is located in the machine tool opening (8); the opening and closing door driving mechanism (4) is used to drive the movable door housing (2) to move relative to the fixed door housing (1) to the sealed machine tool opening (8) so as to be in a closed state.

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