Positioning assembly, tool magazine device and numerical control equipment
By introducing a positioning component into the chain tool magazine and utilizing the cooperation of the first driver and the detection unit, the positional error problem when the chain drives the tool to move is solved, thereby improving the tool positional accuracy.
Patent Information
- Application Number
- CN202423228048.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-24
AI Technical Summary
When the chain drives the tool in a chain-type tool magazine, inertia and environmental factors cause the accumulation of errors in the tool changing position, resulting in poor tool position accuracy.
The system employs a positioning assembly, including a mounting component, a first driver, a positioning component, and a detection unit. The first driver drives the positioning component to move linearly, the detection unit detects whether the tool holder is in position, and the positioning component abuts against the tool holder to correct the position and improve accuracy.
By using the positioning component, precise positioning of the tool holder is achieved, improving the positional accuracy of the tool and the accuracy of the tool change position.
Smart Images

Figure CN223749130U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of chain tool magazine, in particular to a positioning assembly, a tool magazine device and a numerical control equipment. BACKGROUND
[0002] The tool magazine device is a device for providing the tool storage and tool changing requirements in the automatic machining process, mainly providing the tool storage position and being able to select the tool correctly according to the program control to position the tool for tool changing.
[0003] The chain tool magazine is one of the tool magazine devices, and the core transmission components of the chain tool magazine are the chain wheel and the chain. Since the chain has many composition units and is greatly affected by the working environment, when the chain drives the tool to move a long distance, the error accumulation of the tool moving to the tool changing position under the spindle is large due to the inertia and environmental influence, so that the position accuracy of the tool at the tool changing position is poor. CONTENT OF THE UTILITY MODEL
[0004] The present application provides a positioning assembly, a tool magazine device and a numerical control equipment, which can improve the position accuracy of the tool at the tool changing position.
[0005] In a first aspect, the present application provides a positioning assembly, which comprises:
[0006] a mounting member;
[0007] a first driver, which is arranged on the mounting member;
[0008] a positioning member, which is connected with the output end of the first driver, and the first driver is used to drive the positioning member to move linearly;
[0009] a detection unit, which is arranged on the mounting member, and the detection unit is used to detect whether the tool holder is in place, so as to position the tool holder by the positioning member.
[0010] In some possible implementation manners of the first aspect, the positioning assembly further comprises:
[0011] a guide unit, which is arranged on the mounting member, and the positioning member is connected with the guide unit, and the guide unit is used to guide the movement direction of the positioning member.
[0012] In some possible implementation manners of the first aspect, the guide unit comprises:
[0013] a sliding block, which is arranged on the mounting member, and a sliding groove is arranged on the positioning member, and the sliding block is slidably arranged in the sliding groove.
[0014] In some possible implementation manners of the first aspect, the guiding unit further includes:
[0015] A guide rail, part of the guide rail is in sliding connection with the sliding block, and part of the guide rail is arranged in the sliding groove.
[0016] In some possible implementation manners of the first aspect, the guide rail is a ball guide rail.
[0017] In some possible implementation manners of the first aspect, the positioning assembly further includes:
[0018] A first fixing seat is arranged on the mounting member, and an installation space is formed between the first fixing seat and the mounting member; the sliding block is arranged in the first fixing seat, and the sliding block, the guide rail and the positioning member are located in the installation space, and the guide rail is located on a side of the positioning member away from the mounting member.
[0019] In some possible implementation manners of the first aspect, the positioning assembly further includes:
[0020] A floating joint is connected with the output end of the first driver and the positioning member at two ends respectively.
[0021] In some possible implementation manners of the first aspect, an end of the positioning member away from the first driver is provided with a positioning protrusion, the tool seat is provided with a positioning groove, and the positioning protrusion is inserted into the positioning groove.
[0022] In the second aspect, the embodiments of the present application provide a tool magazine device, and the tool magazine device includes:
[0023] The positioning assembly according to any one of the technical solutions above;
[0024] A base is provided, and the mounting member is arranged on the base.
[0025] A chain unit is movably arranged on the base.
[0026] A plurality of tool seats are arranged on the chain unit.
[0027] In some possible implementation manners of the second aspect, the chain unit is arranged on a side of the base, and the mounting member is arranged on a top of the base.
[0028] In the third aspect, the embodiments of the present application provide a numerical control equipment, and the numerical control equipment includes the tool magazine device according to any one of the technical solutions above.
[0029] The positioning assembly, the tool magazine device and the numerical control equipment provided by the embodiments of the present application, the first driver is arranged on the mounting piece, the positioning piece is connected with the output end of the first driver, the first driver is used to drive the linear motion of the positioning piece, so that the positioning piece abuts against the tool holder, thereby correcting the position of the tool holder and realizing the positioning of the tool holder; the detection unit is arranged on the mounting piece to detect whether the tool holder is in place; when the tool holder is in place, the first driver drives the positioning piece to abut against the tool holder, thereby positioning the tool holder; and the tool holder is used to fix the tool, so that the positioning piece can improve the position accuracy of the tool. BRIEF DESCRIPTION OF DRAWINGS
[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings shown.
[0031] Figure 1 It is a structural schematic diagram of an embodiment of the numerical control equipment of the present application.
[0032] Figure 2 It is a state diagram of an embodiment of the positioning assembly of the present application for positioning the tool holder.
[0033] Figure 3 It is an exploded view of an embodiment of the positioning assembly of the present application.
[0034] Explanation of reference numerals:
[0035] 1, mounting piece; 2, first driver; 3, positioning piece; 31, sliding groove; 32, positioning protrusion; 4, detection unit; 5, guide unit; 51, sliding block; 52, guide rail; 6, first fixed seat; 61, mounting space; 7, floating joint; 8, second fixed seat; 9, base; 10, chain unit; 20, tool holder; 201, positioning groove; 30, tool; 40, main shaft; 100, positioning assembly; 200, tool magazine device.
[0036] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION
[0037] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0038] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.
[0039] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0040] It should be understood that the term "and / or" as used in this application specification and the appended claims refers to any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.
[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0042] This application provides a positioning component, a tool magazine device, and a CNC equipment to solve the technical problem of poor tool positioning accuracy at the tool change position.
[0043] In the embodiments of this application, such as Figure 2 As shown, the positioning assembly 100 includes a mounting component 1, a first driver 2, a positioning component 3, and a detection unit 4. The first driver 2 is disposed on the mounting component 1. The positioning component 3 is connected to the output end of the first driver 2, and the first driver 2 is used to drive the positioning component 3 to move linearly. The detection unit 4 is disposed on the mounting component 1, and the detection unit 4 is used to detect whether the tool holder 20 is in position, so as to position the tool holder 20 by the positioning component 3. The mounting component 1 may be a plate-like structure.
[0044] like Figure 1 and Figure 2As shown in the embodiment, the positioning assembly 100 can be applied to the tool magazine device 200. The tool magazine device 200 comprises the chain unit 10 and the tool seat 20, the tool seat 20 is arranged on the chain unit 10, and the chain unit 10 is used to drive the tool seat 20 to the tool changing position. The tool seat 20 is used to fix the tool 30, and the main shaft 40 can be moved to the top of the tool changing position so as to change the tool 30 on the tool seat 20 at the tool changing position.
[0045] After the detection unit 4 detects the tool seat 20 at the tool changing position, the first driver 2 can drive the positioning member 3 to move so that the positioning member 3 abuts against the tool seat 20, thereby positioning the tool seat 20 by the positioning member 3.
[0046] The first driver 2 of the embodiment is arranged on the mounting member 1, the positioning member 3 is connected with the output end of the first driver 2, the first driver 2 is used to drive the linear motion of the positioning member 3 so that the positioning member 3 abuts against the tool seat 20, thereby correcting the position of the tool seat 20 by the positioning member 3 to realize the positioning of the tool seat 20; the detection unit 4 is arranged on the mounting member 1 to detect whether the tool seat 20 is in place; when the tool seat 20 is in place, the first driver 2 drives the positioning member 3 to abut against the tool seat 20, thereby positioning the tool seat 20; and the tool seat 20 is used to fix the tool 30, so that the positioning member 3 can improve the position accuracy of the tool 30.
[0047] In an embodiment, as shown in Figure 2 and Figure 3 The positioning assembly 100 further comprises a guide unit 5, the guide unit 5 is arranged on the mounting member 1, the positioning member 3 is connected with the guide unit 5, and the guide unit 5 is used to guide the movement direction of the positioning member 3. The guide unit 5 is used to guide the movement direction of the positioning member 3, so that the positioning member 3 can abut against the preset position of the tool seat 20, thereby positioning the tool seat 20 to improve the positioning accuracy of the tool seat 20. The guide unit 5 can also improve the stability of the movement of the positioning member 3.
[0048] In an embodiment, as shown in Figure 2 and Figure 3 The guide unit 5 comprises a sliding block 51, the sliding block 51 is arranged on the mounting member 1, the positioning member 3 is provided with a sliding groove 31, and the sliding block 51 is slidably arranged in the sliding groove 31. By limiting the side wall of the sliding groove 31 by the sliding block 51, the positioning member 3 can be limited, thereby guiding the movement direction of the positioning member 3.
[0049] In an embodiment, as shown in Figure 2 and Figure 3 The guide unit 5 further comprises a guide rail 52, part of the guide rail 52 is slidably connected with the sliding block 51, and part of the guide rail 52 is slidably arranged in the sliding groove 31. The guide accuracy of the positioning member 3 can be improved, and the stability of the movement of the positioning member 3 can also be improved.
[0050] In an embodiment, the guide rail 52 is a ball guide rail, so as to improve the guiding accuracy of the positioning member 3.
[0051] In an embodiment, as shown in Figure 2 and Figure 3 , the positioning assembly 100 further comprises a first fixing seat 6, which is arranged on the mounting member 1, and an installation space 61 is formed between the first fixing seat 6 and the mounting member 1. The sliding block 51 is arranged on the first fixing seat 6, and the sliding block 51, the guide rail 52 and the positioning member 3 are all located in the installation space 61, and the guide rail 52 is located on the side of the positioning member 3 away from the mounting member 1.
[0052] The first fixing seat 6 can limit the sliding block 51, so as to avoid the positioning member 3 from being separated from the mounting member 1, and also avoid the sliding block 51, the guide rail and the positioning member 3 from being separated from each other.
[0053] In an embodiment, as shown in Figure 2 and Figure 3 , the detection unit 4 is arranged on the side of the first fixing seat 6 away from the sliding block 51.
[0054] In an embodiment, as shown in Figure 2 and Figure 3 , the positioning assembly 100 further comprises a floating joint 7, two ends of the floating joint 7 are connected with the output end of the first driver 2 and the positioning member 3 respectively. When the movement track of the output end of the first driver 2 and the movement track of the positioning member 3 are not on the same straight line, the floating joint 7 can avoid the first driver 2 from being jammed.
[0055] In an embodiment, as shown in Figure 2 and Figure 3 , the end of the positioning member 3 away from the first driver 2 has a positioning protrusion 32, and the tool holder 20 has a positioning groove 201, and the positioning protrusion 32 is inserted into the positioning groove 201. The positioning protrusion 32 can be quickly inserted into the positioning groove 201, so as to improve the efficiency of the positioning member 3 in positioning the tool holder 20. The shape of the positioning protrusion 32 matches the shape of the positioning groove 201, so as to improve the accuracy of the positioning member 3 in positioning the tool holder 20.
[0056] In an embodiment, as shown in Figure 2 and Figure 3 , the positioning assembly 100 further comprises a second fixing seat 8, which is arranged on the mounting member 1, and the first driver 2 is arranged on the second fixing seat 8.
[0057] In addition, as shown in Figure 1 and Figure 2The embodiment of the present application further provides a tool magazine device 200, which comprises a base 9, a chain unit 10, a positioning assembly 100 and a plurality of tool holders 20. The specific structure of the positioning assembly 100 is referred to any one of the above embodiments. The mounting member 1 is arranged on the base 9, the chain unit 10 is movably arranged on the base 9, and the tool holders 20 are arranged on the chain unit 10.
[0058] The chain unit 10 is movably arranged on the base 9, and the tool holders 20 are arranged on the chain unit 10, so that the tool holders 20 are driven to the tool changing position by the chain unit 10, and then the tool holders 20 are detected by the detection unit 4. After the tool holders 20 are detected by the detection unit 4, the positioning member 3 is driven by the first driver 2 to abut against the tool holders 20, so that the tool holders 20 are positioned by the positioning member 3, thereby improving the positioning accuracy of the tool 30.
[0059] In an embodiment, as shown in FIG. 1, the chain unit 10 is arranged around the side of the base 9, and the mounting member 1 is arranged on the top of the base 9. The working coordination of the tool magazine device 200 is improved, thereby facilitating the tool marking of the spindle 40 at the tool changing position. Figure 1
[0060] After the tool holders 20 are driven to the tool changing position by the chain unit 10, the spindle 40 is used for tool changing at the tool changing position. The axis of the spindle 40 can be parallel to the motion center line of the chain unit 10.
[0061] In an embodiment, the tool magazine device 200 further comprises a second driver, the chain unit 10 is connected with the output end of the second driver, and the second driver is used for driving the chain unit 10 to move on the base 9.
[0062] In addition, the embodiment of the present application further provides a numerical control equipment, which comprises the tool magazine device. The specific structure of the tool magazine device is referred to the above embodiments. Since the tool magazine device adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments.
[0063] The above only describes the preferred embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structural transformation made according to the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.
Claims
1. A positioning component, characterized in that, The positioning component includes: Installation components; A first driver is disposed on the mounting component; A positioning element is connected to the output end of the first driver, and the first driver is used to drive the positioning element to move linearly. A detection unit is disposed on the mounting component. The detection unit is used to detect whether the tool holder is in place, so as to position the tool holder by means of the positioning component.
2. The positioning component as described in claim 1, characterized in that, The positioning component also includes: A guide unit is disposed on the mounting component, and the positioning component is connected to the guide unit. The guide unit is used to guide the movement direction of the positioning component.
3. The positioning component as described in claim 2, characterized in that, The guiding unit includes: A slider is disposed on the mounting component, and the positioning component is provided with a sliding groove, in which the slider slides.
4. The positioning component as described in claim 3, characterized in that, The guiding unit further includes: The guide rail is partially slidably connected to the slider, and partially slidably disposed within the groove.
5. The positioning component as described in claim 4, characterized in that, The guide rail is a ball bearing guide rail.
6. The positioning component as described in claim 4, characterized in that, The positioning component also includes: A first fixing seat is disposed on the mounting member, and an installation space is formed between the first fixing seat and the mounting member; a slider is disposed on the first fixing seat, and the slider, the guide rail and the positioning member are all located within the installation space, with the guide rail located on the side of the positioning member opposite to the mounting member.
7. The positioning component as described in claim 1, characterized in that, The positioning component also includes: A floating connector, the two ends of which are respectively connected to the output end of the first driver and the positioning element.
8. The positioning component as described in claim 1, characterized in that, The positioning member has a positioning protrusion at the end away from the first driver, and the tool holder has a positioning groove, with the positioning protrusion inserted into the positioning groove.
9. A tool magazine device, characterized in that, The tool magazine device includes: The positioning component as described in any one of claims 1 to 8; A base, wherein the mounting component is disposed on the base; A chain unit, which is movably disposed on the base; Multiple tool holders are provided on the chain unit.
10. The tool magazine device as described in claim 9, characterized in that, The chain unit is looped around the side of the base, and the mounting component is located on the top of the base.
11. A numerical control device, characterized in that, The CNC equipment includes the tool magazine device as described in claim 9 or 10.