CN218254055U

CN218254055U - Positioning structure and numerical control machine tool

Info

Publication number: CN218254055U
Application number: CN202222727057.4U
Authority: CN
Inventors: 陈辉; 朱育松
Original assignee: Dongguan Dingtu Precision Mechanical Equipment Co ltd
Current assignee: Dongguan Dingtu Precision Mechanical Equipment Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-01-10
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to a positioning structure and digit control machine tool, this positioning structure is used for fixing a position the curved surface metal sheet, positioning structure includes bottom plate, base, first air cock, second air cock and at least three bolt, the base is installed in the bottom plate, the surface of base is the arc corresponding to the curved surface metal sheet, the base is recessed to be equipped with first cavity and second cavity, first air cock and second air cock are connected the both sides of base respectively, first air cock communicates first cavity, the second air cock communicates the second cavity; the base is convexly located to the bolt, and the end angle setting that the bolt corresponds the base, and the bolt is used for inserting and establishes curved surface metal sheet. According to the positioning structure, the curved metal plate is covered on the base, the surface of the base is in an arc shape corresponding to the curved metal plate, the bolt is inserted into the curved metal plate, the air in the first cavity is pumped out through the first air nozzle, and the air in the second cavity is pumped out through the second air nozzle, so that the curved metal plate is adsorbed on the base, and the positioning is firm; the positioning structure is convenient to use and can effectively position the curved metal plate.

Description

Positioning structure and numerical control machine tool

Technical Field

The utility model relates to a digit control machine tool technical field especially relates to a location structure and digit control machine tool.

Background

The numerical control machine tool well solves the problem of machining of complex, precise, small-batch and various parts, is a flexible and high-efficiency automatic machine tool, represents the development direction of the control technology of modern machine tools, and is a typical mechanical and electrical integration product.

In utilizing digit control machine tool to the sheet metal working process, need snatch the location to sheet metal, some special sheet metal are for having the curved surface shape of certain radian, and current curved surface location structure often utilizes the connecting rod that multiunit terminal head had the sucking disc to laminate the curved surface and adsorb, but because the metal surface irregularity of curved surface shape has the radian, the sucking disc laminating is not tight, and adsorption affinity can greatly reduced adsorbs unstably, can't carry out effective absorption location to curved surface sheet metal.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a positioning structure and a numerical control machine tool suitable for a curved metal plate.

A positioning structure is used for positioning a curved metal plate and comprises a bottom plate, a base, a first air nozzle, a second air nozzle and at least three bolts, wherein the base is installed on the bottom plate, the surface of the base is arc-shaped corresponding to the curved metal plate, a first cavity and a second cavity are arranged on the base in a concave mode, the first air nozzle and the second air nozzle are respectively connected with two sides of the base, the first air nozzle is communicated with the first cavity, and the second air nozzle is communicated with the second cavity; the bolt is convexly arranged on the base, the bolt is arranged corresponding to the end angle of the base, and the bolt is used for inserting the curved metal plate.

In one embodiment, the base is further provided with a first through hole and a second through hole, one end of the first through hole is communicated with the first air faucet, the other end of the first through hole is communicated with the first cavity, one end of the second through hole is communicated with the second air faucet, and the other end of the second through hole is communicated with the second cavity.

In one embodiment, the first through hole and the second through hole are diagonally arranged at two ends of the base.

In one embodiment, the device further comprises a plurality of first support columns, one ends of the first support columns are mounted on the base, the other ends of the first support columns are arranged in an inclined plane, and each first support column is used for abutting against the curved metal plate; each first support is arranged in the first cavity and arranged along the axial direction of the first cavity.

In one embodiment, the metal plate bending machine further comprises a plurality of second supporting columns, one ends of the second supporting columns are installed on the base, the other ends of the second supporting columns are arranged in an inclined plane, and each second supporting column is used for abutting against the curved metal plate; each second support is arranged in the second cavity and arranged along the axial direction of the second cavity.

In one embodiment, the material removing device further comprises a first material removing assembly, the first material removing assembly comprises a first fixing column, a first elastic member and a first material removing plate, the first fixing column is mounted on the base, the first elastic member is sleeved on the first fixing column, one end of the first elastic member abuts against the base, and the other end of the first elastic member abuts against the first material removing plate; the first stripper plate is used for abutting against the curved metal plate.

In one embodiment, the base is provided with a first groove for accommodating the first fixing column, the first elastic piece and the first stripper plate; the number of the first stripper plates is two, and the two first stripper plates are respectively arranged at two ends of the first groove; the first fixed columns and the first elastic pieces are four and are in one-to-one correspondence, and the first fixed columns and the first elastic pieces are connected to the first stripper plate in a pairwise mode.

In one embodiment, the material removing device further comprises a second material removing assembly, the second material removing assembly comprises a second fixed column, a second elastic element and a second material removing plate, the second fixed column is mounted on the base, the second elastic element is sleeved on the second fixed column, one end of the second elastic element abuts against the base, and the other end of the second elastic element abuts against the second material removing plate; the second stripper plate is used for abutting against the curved metal plate.

In one embodiment, the base is provided with a second groove for accommodating the second fixing column, the second elastic piece and the second stripper plate; the two second stripper plates are respectively arranged at two ends of the second groove; the second fixed columns and the second elastic pieces are four and are in one-to-one correspondence, and every two of the second fixed columns and the second elastic pieces are connected to the second stripper plate in a group.

A numerical control machine tool comprises the positioning structure.

According to the positioning structure, the curved metal plate is covered on the base, the surface of the base is in an arc shape corresponding to the curved metal plate, the bolt is inserted into the curved metal plate, the air in the first cavity is pumped out through the first air nozzle, and the air in the second cavity is pumped out through the second air nozzle, so that the curved metal plate is adsorbed on the base, and the positioning is firm; the positioning structure is convenient to use and can effectively position the curved metal plate.

Drawings

Fig. 1 is a schematic structural diagram of a positioning structure according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the positioning structure shown in FIG. 1, wherein the curved metal plate is not shown;

fig. 3 is a cross-sectional view of the first stripper assembly of the positioning structure of fig. 2.

The reference numbers in the drawings have the meanings given below:

100. a positioning structure; 10. a base plate; 20. a base; 21. a first cavity; 22. a second cavity; 23. a first through hole; 24. a second through hole; 25. a first groove; 26. a second groove; 30. a first air tap; 40. a second air tap; 50. a bolt; 60. a first support; 70. a second support; 80. a first stripping assembly; 81. a first fixed column; 82. a first elastic member; 83. a first stripper plate; 90. a second stripping assembly; 90a, a curved metal plate; 91a, a first panel; 92a, a connecting plate; 93a, a second panel.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3, a numerical control machine according to an embodiment of the present invention includes a positioning structure 100, the positioning structure 100 is used for positioning a curved metal plate 90a, in an embodiment, the curved metal plate 90a includes a first panel 91a, a connecting plate 92a and a second panel 93a connected in sequence; the positioning structure 100 includes a bottom plate 10, a base 20, a first air nozzle 30, a second air nozzle 40 and at least three pins 50, wherein the surface of the base 20 is arc-shaped corresponding to the curved metal plate 90a, a first cavity 21 and a second cavity 22 are recessed in the base 20, the first air nozzle 30 and the second air nozzle 40 are respectively connected to two sides of the base 20, the first air nozzle 30 is communicated with the first cavity 21, and the second air nozzle 40 is communicated with the second cavity 22; the bolt 50 is convexly arranged on the base 20; above-mentioned location structure 100 is through covering curved surface metal sheet 90a and locating base 20 on, the surface of base 20 is the arc that corresponds curved surface metal sheet 90a, and bolt 50 is inserted and is established curved surface metal sheet 90a, and the air of first cavity 21 is taken out outward to first air cock 30 of rethread, and second air cock 30 takes out the air of second cavity 22 outward to adsorb curved surface metal sheet 90a on base 20, the location is firm.

As shown in fig. 1 and fig. 2, in the present embodiment, the base 20 is installed on the bottom plate 10, the surface of the base 20 is arc-shaped corresponding to the curved metal plate 90a, the base 20 is recessed to form a first cavity 21 and a second cavity 22, the first cavity 21 corresponds to the first panel 91a, and the second cavity 22 corresponds to the second panel 93a; the first air nozzle 30 and the second air nozzle 40 are respectively connected to two sides of the base 20, the first air nozzle 30 is communicated with the first cavity 21, the second air nozzle 40 is communicated with the second cavity 22, the external air suction mechanism is communicated with the first air nozzle 30 and the second air nozzle 40, and the first cavity 21 and the second cavity 22 are in a negative pressure state through air suction, so that the curved metal plate 90a is adsorbed. In one embodiment, the base 20 further has a first through hole 23 and a second through hole 24, one end of the first through hole 23 is communicated with the first nozzle 30, the other end is communicated with the first cavity 21, one end of the second through hole 24 is communicated with the second nozzle 40, and the other end is communicated with the second cavity 22; alternatively, the first through hole 23 and the second through hole 24 are diagonally disposed at both ends of the base 20, and air is drawn from both ends of the base 20 to ensure firm adhesion of the curved metal plate 90a. Further, the base 20 is provided with a first groove 25 and a second groove 26, the first groove 25 is disposed outside the first cavity 21, and the second groove 26 is disposed outside the second cavity 22. In one embodiment, the plug 50 is protruded from the base 20, the plug 50 is disposed corresponding to an end corner of the base 20, and the plug 50 is used for inserting the curved metal plate 90a, and meanwhile, the plug 50 plays a role in guiding when air is pumped.

As shown in fig. 2, the positioning structure 100 further includes a plurality of first supporting columns 60, one end of each first supporting column 60 is mounted on the base 20, and the other end of each first supporting column 60 is disposed in an inclined plane, and each first supporting column 60 is used for abutting against the curved metal plate 90a to provide a supporting force to prevent the curved metal plate 90a from deforming after air suction; each first pillar 60 is disposed in the first cavity 21, and each first pillar 60 is disposed along the axial direction of the first cavity 21. In one embodiment, the positioning structure 100 further includes a plurality of second supporting columns 70, one end of each second supporting column 70 is mounted on the base 20, and the other end of each second supporting column 70 is disposed in an inclined manner, and each second supporting column 70 is used for abutting against the curved metal plate 90a to provide a supporting force to prevent the curved metal plate 90a from being deformed after air extraction; each second strut 70 is disposed within the second cavity 22, and each second strut 70 is disposed along the axial direction of the second cavity 22.

As shown in fig. 2 and fig. 3, the positioning structure 100 further includes a first material removing assembly 80, the first material removing assembly 80 includes a first fixing column 81, a first elastic element 82 and a first material removing plate 83, the first fixing column 81 is mounted on the base 20, the first elastic element 82 is sleeved on the first fixing column 81, one end of the first elastic element 82 abuts against the base 20, and the other end abuts against the first material removing plate 83; the first stripper plate 83 is configured to abut against the curved metal plate 90a. Optionally, the first groove 25 is used for accommodating the first fixing column 81, the first elastic element 82 and the first stripper plate 83; further, there are two first stripper plates 83, and the two first stripper plates 83 are respectively disposed at two ends of the first groove 25; the first fixing columns 81 and the first elastic pieces 82 are four in number and correspond to each other one by one, and two of the first fixing columns 81 and two of the first elastic pieces 82 are connected to the first stripper plate 83 in a group. The first elastic member 82 is a spring; before air extraction, the first stripper plate 83 is convexly arranged on the base 20, and when air extraction is carried out, the curved metal plate 90a is adsorbed to press down the first stripper plate 83, so that the first stripper plate 83 is flush with the surface of the base 20; when the air is not sucked, the first stripper plate 83 is lifted by the resilient force of the first elastic member 82, so that the curved metal plate 90a is lifted off the base 20.

The positioning structure 100 further includes a second material removing assembly 90, the second material removing assembly 90 includes a second fixing column (not shown), a second elastic member (not shown) and a second material removing plate (not shown), the second fixing column is mounted on the base 20, the second elastic member is sleeved on the second fixing column, one end of the second elastic member abuts against the base 20, and the other end of the second elastic member abuts against the second material removing plate; the second stripper plate is used to abut the curved metal plate 90a. Optionally, the second groove 26 is used for accommodating the second fixing column, the second elastic element and the second stripper plate; furthermore, two second stripper plates are provided, and the two second stripper plates are respectively arranged at two ends of the second groove 26; the second fixed columns and the second elastic pieces are four and correspond to each other one by one, and the second fixed columns and the second elastic pieces are connected to the second stripper plate in a pairwise mode. In one embodiment, the second stripping assembly 90 is similar in structure to the first stripping assembly 80 and will not be described in detail below.

When the curved-surface metal plate 90a is used, the curved-surface metal plate 90a is covered on the base 20, the bolt 50 is inserted into the curved-surface metal plate 90a, the air in the first cavity 21 is pumped out through the first air nozzle 30, the air in the second cavity 22 is pumped out through the second air nozzle 40, the curved-surface metal plate 90a is adsorbed on the base 20, and meanwhile, the curved-surface metal plate 90a presses the first stripper plate 83 and the second stripper plate downwards; the positioning is firm by the bolt 50 and the negative pressure adsorption, so that the curved metal plate 90a is prevented from shifting during processing. After the machining is completed, the first air nozzle 30 and the second air nozzle 40 do not exhaust air, and under the action of the first elastic member 82 and the second elastic member, the first stripper plate 83 and the second stripper plate lift the curved metal plate 90a, so that the curved metal plate 90a is separated from the base 20, thereby facilitating the stripping.

In the positioning structure 100, the curved metal plate 90a is covered on the base 20, the surface of the base 20 is in an arc shape corresponding to the curved metal plate 90a, the bolt 50 is inserted into the curved metal plate 90a, the air in the first cavity 21 is drawn out through the first air nozzle 30, the air in the second cavity 22 is drawn out through the second air nozzle 30, and thus the curved metal plate 90a is attached to the base 20, and the positioning is firm; the positioning structure 100 is convenient to use and can effectively position the curved metal plate 90a.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A positioning structure is used for positioning a curved metal plate and is characterized by comprising a bottom plate, a base, a first air faucet, a second air faucet and at least three bolts, wherein the base is installed on the bottom plate, the surface of the base is arc-shaped corresponding to the curved metal plate, a first cavity and a second cavity are concavely arranged on the base, the first air faucet and the second air faucet are respectively connected with two sides of the base, the first air faucet is communicated with the first cavity, and the second air faucet is communicated with the second cavity; the bolt is convexly arranged on the base, the bolt is arranged corresponding to the end angle of the base, and the bolt is used for inserting the curved metal plate.

2. The positioning structure according to claim 1, wherein the base further comprises a first through hole and a second through hole, one end of the first through hole is connected to the first air nozzle, the other end of the first through hole is connected to the first cavity, one end of the second through hole is connected to the second air nozzle, and the other end of the second through hole is connected to the second cavity.

3. The positioning structure of claim 2, wherein the first through hole and the second through hole are diagonally disposed at two ends of the base.

4. The positioning structure according to claim 1, further comprising a plurality of first supporting columns, one end of each of the first supporting columns is mounted on the base, the other end of each of the first supporting columns is disposed in an inclined manner, and each of the first supporting columns is used for abutting against the curved metal plate; each first support is arranged in the first cavity and arranged along the axial direction of the first cavity.

5. The positioning structure according to claim 1, further comprising a plurality of second supporting columns, one end of each of the second supporting columns is mounted on the base, and the other end of each of the second supporting columns is disposed in an inclined manner, and each of the second supporting columns is used for abutting against the curved metal plate; each second support column is arranged in the second cavity and arranged along the axial direction of the second cavity.

6. The positioning structure according to claim 1, further comprising a first stripping assembly, wherein the first stripping assembly comprises a first fixing column, a first elastic member and a first stripping plate, the first fixing column is mounted on the base, the first elastic member is sleeved on the first fixing column, one end of the first elastic member abuts against the base, and the other end of the first elastic member abuts against the first stripping plate; the first stripper plate is used for abutting against the curved metal plate.

7. The positioning structure according to claim 6, wherein the base is provided with a first groove for accommodating the first fixing column, the first elastic member and the first stripper plate; the two first stripper plates are respectively arranged at two ends of the first groove; the first fixed columns and the first elastic pieces are four and are in one-to-one correspondence, and the first fixed columns and the first elastic pieces are connected to the first stripper plate in a pairwise mode.

8. The positioning structure according to claim 1, further comprising a second stripping assembly, wherein the second stripping assembly comprises a second fixed column, a second elastic member and a second stripping plate, the second fixed column is mounted on the base, the second elastic member is sleeved on the second fixed column, one end of the second elastic member abuts against the base, and the other end of the second elastic member abuts against the second stripping plate; the second stripper plate is used for abutting against the curved metal plate.

9. The positioning structure according to claim 8, wherein the base is provided with a second groove for accommodating the second fixing column, the second elastic member and the second stripper plate; the two second stripper plates are respectively arranged at two ends of the second groove; the second fixed columns and the second elastic pieces are four and are in one-to-one correspondence, and every two of the second fixed columns and the second elastic pieces are connected to the second stripper plate in a group.

10. A numerically controlled machine tool comprising a positioning structure according to any one of claims 1 to 9.