Decoupling dispensing device of dispensing machine
By using the decoupling slider guide mechanism and Z-axis drive cam in the dispensing equipment, the problem that high-speed dispensing equipment in the existing technology cannot achieve high accuracy, the balance between high speed and high precision is achieved, and the dispensing accuracy and stability are improved.
Patent Information
- Application Number
- CN202421237373.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-31
AI Technical Summary
Existing glue dispensing equipment cannot meet the high-precision requirements under high-speed glue dispensing conditions, especially in the continuous glue dispensing conditions with poor dispensing position accuracy, which is prone to unqualified situations of overlapping glue dots.
The decoupling slide rail mechanism is adopted to decouple the X-axis and Y-axis drives in parallel, so that they are fixed on the base, reducing the movement mass and center of gravity, and reducing the center of gravity through the Z-axis drive cam, so that the rigidity of the equipment structure is improved and the vibration excitation source is reduced.
The equipment is balanced between high-speed motion and high-precision dispensing operation, improves the accuracy and stability of dispensing, and avoids the unqualified problem of overlapping glue points.
Smart Images
Figure CN222568232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of glue dispensing machine equipment, in particular to a motion glue dispensing device of a high-speed and high-precision jet glue dispensing machine. Background Art
[0002] At present, the larger-format dispensing equipment on the market all adopts a stacked or gantry XYZ worktable, that is, the dispensing worktable includes three axial movement directions, such as the X-axis towing the Y-axis, the Y-axis carrying the Z-axis, and the Z-axis carrying the dispensing head. This structure is an overall movement, with a large moving part mass and a high center of gravity, resulting in a low resonance frequency of the motion platform and a low control bandwidth. It cannot meet high-precision requirements under high-speed dispensing conditions, especially under the conditions of continuous dispensing with tiny amounts and extremely small spacing on the fly, which will result in poor dispensing position accuracy and even unqualified situations such as overlapping glue dots. Utility Model Content
[0003] In view of the deficiencies in the prior art, the main purpose of the utility model is to provide a decoupled dispensing device for a dispensing machine, which improves the structural rigidity of the equipment and reduces the vibration excitation source, so that the equipment can simultaneously meet the requirements of high-speed and high-precision motion dispensing operations.
[0004] The decoupling dispensing device of the dispensing machine includes a marble base, an X-axis driving component and an XY worktable fixed on the base, and a Z-axis working component, and also includes a decoupling slider guide mechanism, the decoupling slider guide mechanism is installed on the X-axis driving component, the X-axis driving component is connected to the Z-axis working component through the decoupling slider guide mechanism, the Z-axis working component is connected to the XY worktable through the X-slider guide, the Z-axis working component includes a Z-axis driving body and a Z-axis slide arranged on the Z-axis driving body, and a dispensing head for dispensing operation is arranged on the Z-axis slide.
[0005] Furthermore, the X-axis driving component includes an X-axis base, an X-linear motor stator, an X-linear motor mover, an X-linear slider guide and an X-slide, wherein the X-linear motor stator is installed on the base, the X-linear motor mover is installed on the X-slide, the X-slide is connected to the base through the X-linear slider guide, and the linear motor mover can drive the X-slide to move along the X-linear slider guide.
[0006] Furthermore, the XY workbench includes an XY base, a Y-axis slide is arranged above the XY base, and the Y-axis slide is connected to the XY base via an XY slider rail. The XY workbench also includes an XY linear motor, and the XY linear motor includes an XY linear motor stator and an XY linear motor mover, the XY linear motor stator is mounted on the XY base, the XY linear motor mover is mounted on the Y-axis slide, and the XY linear motor can drive the Y-axis slide to move relative to the XY base along the XY slider rail.
[0007] Furthermore, the Z-axis driving body is connected to the Y-axis slide table through the X-slider guide rail. It also includes an electronic measuring device 1 for feeding back the position of the Y-axis slide table to the control system, and the electronic measuring device 1 includes a grating reading head 1 fixed to the Y-axis slide table through a measuring bracket 1 and a grating ruler 1 fixed to the XY base. It also includes an electronic measuring device 2 for feeding back the position of the Z-axis driving body to the control system, and the electronic measuring device 2 includes a grating reading head 2 fixed to the Z-axis driving body through a measuring bracket 2 and a grating ruler 2 fixed to the Y-axis slide table.
[0008] Preferably, the Z-axis working component further comprises a Z-axis motor. The Z-axis motor is mounted on the Z-axis driving body via a Z-axis mounting seat, an output synchronous wheel is mounted on the output shaft of the Z-axis motor, the output synchronous wheel is connected to the transmission synchronous wheel via a synchronous belt, the transmission synchronous wheel is connected to the driving cam via a transmission shaft, the Z-axis slide is connected to the Z-axis driving body via a Z-direction slider guide rail, a cam follower is further provided on the Z-axis slide, and when the Z-axis motor drives the driving cam to rotate, the cam can drive the cam follower, thereby driving the Z-axis slide to move along the Z-axis.
[0009] The technical solution provided by the utility model realizes parallel decoupling of X-axis and Y-axis drives by adopting a set of slider guides, so that the drives of X-axis and Y-axis are fixed on the base and no longer become moving masses. The Z-axis drives the cam through the long axis to lower the center of gravity of the movement and make the center of gravity coincide with the drive position. On the basis of improving the rigidity of the equipment structure and reducing the vibration excitation source, the equipment operating platform can simultaneously meet the requirements of high-speed movement and high-precision dispensing operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the utility model;
[0011] Figure 2 This is a schematic diagram of the three-dimensional structure of the X-axis driving component of the embodiment of the utility model;
[0012] Figure 3This is a schematic diagram of the three-dimensional structure of an XY workbench in an embodiment of the utility model;
[0013] Figure 4 It is a schematic diagram of the three-dimensional structure of the Z-axis working component of an embodiment of the utility model. DETAILED DESCRIPTION
[0014] In order to more clearly illustrate the technical solution of the utility model, the embodiments of the utility model will be briefly described below in conjunction with the accompanying drawings. It is obvious that the description of the embodiments and the accompanying drawings is only for illustrating the technical solution of the utility model. In the context that ordinary technicians in this field can understand, the protection scope of the utility model is not limited to the embodiments and the accompanying drawings.
[0015] like Figure 1-4 As shown, a dispensing machine decoupling dispensing device includes a marble base 1, an X-axis driving component 2 and an XY worktable 4 fixed on the base 1, and a Z-axis working component 5, and also includes a decoupling slider guide mechanism 3, the decoupling slider guide mechanism 3 is installed on the X-axis driving component 2, the X-axis driving component 2 is connected to the Z-axis working component 5 through the decoupling slider guide mechanism 3, the Z-axis working component 5 is connected to the XY worktable 4 through the X-slider guide 408, the Z-axis working component 5 includes a Z-axis driving body 409 and a Z-axis slide 509 arranged on the Z-axis driving body 409, and a dispensing head for dispensing operation is arranged on the Z-axis slide 509. The dispensing head can move in the X-axis, Y-axis, and Z-axis directions within the working plane to facilitate various dispensing operations.
[0016] like Figure 2 As shown, the X-axis driving component 2 includes an X-axis base 21, an X-linear motor stator 22, an X-linear motor mover 23, an X-linear slider guide rail 24 and an X-slide 25, wherein the X-linear motor stator 22 is installed on the base 21, the X-linear motor mover 23 is installed on the X-slide 25, the X-slide 25 is connected to the base 21 through the X-linear slider guide rail 24, and the linear motor mover 23 can drive the X-slide 25 to move along the X-linear slider guide rail 24.
[0017] like Figure 3As shown, the XY workbench 4 includes an XY base 401, a Y-axis slide 404 is arranged above the XY base 401, and the Y-axis slide 404 is connected to the XY base 401 through an XY slider rail 403. The XY workbench 4 also includes an XY linear motor 4000, and the XY linear motor 4000 includes an XY linear motor stator 4021 and an XY linear motor mover 4022. The XY linear motor stator 4021 is installed on the XY base 401, and the XY linear motor mover 4022 is installed on the Y-axis slide 404. The XY linear motor 4000 can drive the Y-axis slide 404 to move relative to the XY base 401 along the XY slider rail 403.
[0018] The Z-axis driving body 409 is connected to the Y-axis slide 404 through the X-slider guide rail 408 .
[0019] The decoupling dispensing device of the dispensing machine also includes an electronic measuring device for feeding back the position of the Y-axis slide 404 to the control system, and the electronic measuring device includes a grating reading head 4071 fixed on the Y-axis slide 404 through a measuring bracket 406 and a grating ruler 4072 fixed on the XY base 401.
[0020] In addition, the decoupling dispensing device of the dispensing machine also includes an electronic measuring device 2 for feeding back the position of the Z-axis driving body 409 to the control system, and the electronic measuring device 2 includes a grating reading head 2 4111 fixed on the Z-axis driving body 409 through a measuring bracket 2 410 and a grating ruler 2 4112 fixed on the Y-axis slide 404.
[0021] like Figure 4 As shown, the Z-axis working component 5 also includes a Z-axis motor 502. The Z-axis motor 502 is installed on the Z-axis driving body 409 through a Z-axis mounting seat 501, and an output synchronous wheel 503 is installed on the output shaft of the Z-axis motor 502. The output synchronous wheel 503 is connected to the transmission synchronous wheel 505 through a synchronous belt 504, and the transmission synchronous wheel 505 is connected to the driving cam 507 through a transmission shaft 506. The Z-axis slide 509 is connected to the Z-axis driving body 409 through a Z-direction slider guide 508. A cam follower 510 is also provided on the Z-axis slide 509. When the Z-axis motor 502 drives the driving cam 507 to rotate, the cam 507 can drive the cam follower 510, thereby driving the Z-axis slide 509 to move along the Z-axis.
[0022] In actual work, the X-axis driving component 2 drives the dispensing head to move in the X-axis direction, the XY worktable 4 drives the dispensing head to move in the Y-axis direction, and the Z-axis working component 5 drives the dispensing head to move in the Z-axis direction. In this embodiment, the X-axis driving component 2 and the XY worktable 4 adopt a linear motor driving method, and the Z-axis working component 5 adopts a motor-driven cam driving method.
[0023] This embodiment uses a decoupling mechanism to fix a large proportion of the moving parts of the overall device that can achieve movement in the X-axis, Y-axis, and Z-axis directions in the prior art on the base, so that it no longer participates in the movement. This greatly reduces the movement mass of the equipment and lowers the center of gravity of the movement, thereby enhancing the control of the dispensing head and better meeting the needs of high-speed and high-precision dispensing.
[0024] The above embodiments are only used to illustrate the technical solution of the utility model and should not be considered as limiting the protection scope of the utility model. The utility model is used in the technical field of dispensing machine related products.
Claims
1. A dispensing machine decoupling dispensing device, comprising a base, an X-axis driving component and an XY worktable fixed on the base, and a Z-axis working component, characterized in that: It also includes a decoupling slider guide mechanism, which is installed on the X-axis driving component. The X-axis driving component is connected to the Z-axis working component through the decoupling slider guide mechanism. The Z-axis working component is connected to the XY worktable through the X-slider guide. The Z-axis working component includes a Z-axis driving body and a Z-axis slide arranged on the Z-axis driving body. A dispensing head for dispensing operation is arranged on the Z-axis slide.
2. The dispensing machine decoupling dispensing device as claimed in claim 1, characterized in that: The X-axis driving component includes an X-axis base, an X-linear motor stator, an X-linear motor mover, an X-linear slider guide rail and an X-slide table, wherein the X-linear motor stator is installed on the base, the X-linear motor mover is installed on the X-slide table, the X-slide table is connected to the base through the X-linear slider guide rail, and the linear motor mover can drive the X-slide table to move along the X-linear slider guide rail.
3. The decoupling dispensing device for a dispensing machine as claimed in claim 1, characterized in that: The XY workbench comprises an XY base, a Y-axis slide is arranged above the XY base, and the Y-axis slide is connected to the XY base via an XY slider guide rail.
4. The dispensing machine decoupling dispensing device as claimed in claim 3, characterized in that: The XY workbench also includes an XY linear motor, which includes an XY linear motor stator and an XY linear motor mover. The XY linear motor stator is installed on the XY base, and the XY linear motor mover is installed on the Y-axis slide. The XY linear motor can drive the Y-axis slide to move relative to the XY base along the XY slider guide rail.
5. The decoupling dispensing device for a dispensing machine as claimed in claim 4, characterized in that: The Z-axis driving body is connected to the Y-axis slide table through the X-slider guide rail.
6. The dispensing machine decoupling dispensing device as claimed in claim 5, characterized in that: It also includes an electronic measuring device for feeding back the position of the Y-axis slide to a control system, wherein the electronic measuring device includes a grating reading head fixed to the Y-axis slide via a measuring bracket and a grating ruler fixed to the XY base.
7. The dispensing machine decoupling dispensing device as claimed in claim 5, characterized in that: It also includes an electronic measuring device 2 for feeding back the position of the Z-axis driving body to a control system, wherein the electronic measuring device 2 includes a grating reading head 2 fixed to the Z-axis driving body via a measuring bracket 2 and a grating ruler 2 fixed to the Y-axis slide.
8. The dispensing machine decoupling dispensing device as claimed in claim 1, characterized in that: The Z-axis working component also includes a Z-axis motor.
9. The dispensing machine decoupling dispensing device as claimed in claim 8, characterized in that: The Z-axis motor is installed on the Z-axis driving body through a Z-axis mounting seat, an output synchronous wheel is installed on the output shaft of the Z-axis motor, the output synchronous wheel is connected to the transmission synchronous wheel through a synchronous belt, the transmission synchronous wheel is connected to the driving cam through a transmission shaft, the Z-axis slide is connected to the Z-axis driving body through a Z-direction slider guide rail, and a cam follower is also provided on the Z-axis slide. When the Z-axis motor drives the driving cam to rotate, the cam can drive the cam follower, thereby driving the Z-axis slide to move along the Z-axis.
10. The dispensing machine decoupling dispensing device according to any one of claims 1 to 9, characterized in that: The base is a marble base.