Numerical control positioner for chair base production
By designing a CNC positioner that includes a base ring propulsion assembly, a base ring height adjustment assembly, a support adjustment assembly, and a flattening motor assembly, the low efficiency and high cost problems caused by multiple positioning devices in chair base production have been solved, realizing the universality of base positioning and improving replacement efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-03-31
AI Technical Summary
In the existing technology, the production of chair bases requires multiple positioning devices, resulting in low replacement efficiency and increased production costs.
Design a CNC positioner comprising a bottom ring propulsion assembly, a bottom ring height adjustment assembly, a support adjustment assembly, and a flattening motor assembly to achieve universal positioning and fixing of the base.
This improved the efficiency of changing between different base styles and reduced production costs.
Smart Images

Figure CN224058559U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of welding positioning applications, specifically to a CNC positioner for chair base production. Background Technology
[0002] In the existing technology, the shape of chair bases is diverse. During the production process, various positioning devices are required to meet production needs, which leads to low efficiency in changing devices during production and increases production costs.
[0003] How to achieve universal base positioning, improve the efficiency of replacing different styles of bases, and reduce production costs are the technical challenges that urgently need to be solved at this stage.
[0004] The information disclosed in this background section is intended only to enhance the understanding of the general background of this utility model and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Summary of the Invention
[0005] To solve the above-mentioned technical problems, this utility model proposes a CNC positioner for chair base production, so as to achieve the goal of universalizing base positioning, improving the replacement efficiency between different styles of bases, and reducing production costs.
[0006] To achieve the above objectives, the technical solution of this utility model is as follows:
[0007] A CNC positioner for manufacturing chair bases includes a mounting frame, a bottom ring pushing assembly for pushing and positioning a base workpiece mounted on the mounting frame, a bottom ring height adjusting assembly for adjusting the placement height of the bottom ring mounted on the mounting frame, a demolding motor for the base workpiece mounted on the mounting frame, a support and adjustment assembly for the base workpiece mounted on the mounting frame, and a flattening motor assembly for pressing and fixing the base workpiece.
[0008] The demolding motor is located at the bottom center of the mounting frame; the support adjustment components are evenly distributed around the demolding motor; the mounting frame is provided with four mounting blocks, which form the mounting area of the base, and the four mounting blocks are distributed in a circle.
[0009] This invention uses a bottom ring propulsion assembly to position the workpiece, a bottom ring height adjustment assembly to adjust its height, a support adjustment assembly to position and fix it at different positions, and a flattening motor assembly to flatten and fix the base. This achieves the goals of universal base positioning, improving the efficiency of replacing different types of bases, and reducing production costs.
[0010] It is also worth noting that the bottom ring propulsion component includes four bottom ring propulsion motors, which are evenly distributed on the four sides of the mounting frame, and the ends of the bottom ring propulsion motors are located on the outer side of the mounting block.
[0011] It is further worth noting that the flattening motor assembly includes four bottom ring flattening motors, and each bottom ring flattening motor corresponds one-to-one with the mounting block. The bottom ring flattening motor is mounted on the mounting block, and a "Z"-shaped pressure plate is installed on the top of the bottom ring flattening motor.
[0012] It is also worth noting that the bottom ring support adjustment assembly includes four bottom ring support adjustment motors, each corresponding to one of the mounting blocks, and the movable end of the support adjustment motor is located below the mounting block.
[0013] It is further worth noting that the bottom ring support adjustment assembly includes four inner support height adjustment motors and four outer support height adjustment motors. The four inner support height adjustment motors and the four outer support height adjustment motors are all distributed in a circle around the demolding motor, and the demolding motor, the inner support height adjustment motor, the outer support height adjustment motor and the bottom ring height adjustment motor are distributed from the inside to the outside.
[0014] This utility model has the following advantages:
[0015] 1. This utility model uses a bottom ring propulsion assembly to position the workpiece, a bottom ring height adjustment assembly to adjust its height, a support adjustment assembly to position and fix it at different positions, and a flattening motor assembly to flatten and fix the base, thereby achieving the purpose of universal base positioning, improving the replacement efficiency between different styles of bases, and reducing production costs. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0017] Figure 1 This is a schematic diagram of the structure of a CNC positioner for manufacturing chair bases, as disclosed in an embodiment of this utility model.
[0018] The numbers and letters in the diagram represent the names of the corresponding components:
[0019] 1. Mounting bracket 11. Placement block 21. Bottom ring propulsion motor 31. Bottom ring support adjustment motor 4. Demolding motor
[0020] 51. Supports the internal height adjustment motor. 52. Supports the external height adjustment motor. 53. Supports the size adjustment motor.
[0021] 61. The bottom ring flattens the motor. 62. The pressure plate. Detailed Implementation
[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0023] This utility model provides a CNC positioner for chair base production. Its working principle is to position the workpiece by means of a bottom ring pushing component, adjust its height by means of a bottom ring height adjustment component, position and fix it at different positions by means of a support adjustment component, and flatten and fix the base by means of a flattening motor component. This achieves the purpose of universalizing the positioning of the base, improving the replacement efficiency between different styles of bases, and reducing production costs.
[0024] The present invention will be further described in detail below with reference to embodiments and specific implementation methods.
[0025] like Figure 1 As shown, a CNC positioner for chair base production includes a mounting frame 1, a bottom ring pushing assembly for pushing and positioning the base workpiece on the mounting frame, a bottom ring height adjusting assembly for adjusting the placement height of the bottom ring on the mounting frame, a demolding motor 4 for the base workpiece on the mounting frame, a support and adjustment assembly for the base workpiece on the mounting frame, and a flattening motor assembly for pressing and fixing the base workpiece.
[0026] The demolding motor is located at the bottom center of the mounting frame; the support adjustment components are evenly distributed around the demolding motor; the mounting frame is provided with four mounting blocks 11, which form the mounting area of the base and are distributed in a circular pattern.
[0027] Specifically:
[0028] The bottom ring propulsion component includes four bottom ring propulsion motors 21, which are evenly distributed on the four sides of the mounting frame, and the ends of the bottom ring propulsion motors are located on the outer side of the mounting block.
[0029] The flattening motor assembly includes four bottom ring flattening motors 61, and each bottom ring flattening motor corresponds to one of the mounting blocks. The bottom ring flattening motors are mounted on the mounting blocks, and a "Z"-shaped pressure plate 62 is installed on the top of each bottom ring flattening motor.
[0030] The bottom ring support adjustment assembly includes four bottom ring support adjustment motors 31, each corresponding to one of the mounting blocks, with the movable end of the support adjustment motor located below the mounting block.
[0031] The bottom ring support adjustment assembly includes four inner support height adjustment motors 51 and four outer support height adjustment motors 52. The four inner support height adjustment motors and the four outer support height adjustment motors are all distributed in a circle around the demolding motor, and the demolding motor, the inner support height adjustment motor, the outer support height adjustment motor and the bottom ring height adjustment motor are distributed from the inside to the outside.
[0032] The specific steps for using this utility model are as follows: For example Figure 1 As shown, in actual use, the arc-shaped support of the chair base is placed on the demolding motor 4, and then the inner support height adjustment motor 51 [the height adjustment motor here mainly uses the motor to drive the screw to move up and down, which is a common technical means in this field and will not be described in detail here] and the outer support height adjustment motor 52 are turned on until they abut against the side wall of the support. Since the four inner support height adjustment motors 51 and the four outer support height adjustment motors 52 are independent of each other, they can meet the needs of different positions and different heights while providing support. Then, the bottom ring support adjustment motor 31 is used for adjustment until the bottom ring is placed on the security plate 11, and the bottom ring flattening motor 61 and the pressure plate 62 are used for fixation. At this time, the external robotic arm can effectively weld the support and the bottom ring.
[0033] At the top of the four inner support height adjustment motors 51 and the four outer support height adjustment motors 52, there is also a support size adjustment motor 53, which can meet the support needs of bases of various weights.
[0034] When welding other specifications, only the adjustment motors of each base ring support, the inner support height adjustment motor, and the outer support height adjustment motor need to be adjusted. Alternatively, the adjustment parameters can be input into the CNC control module for one-button start adjustment.
[0035] Through the above methods, the CNC positioner for chair base production provided by this utility model positions the workpiece using a bottom ring pushing component, adjusts its height using a bottom ring height adjustment component, positions and fixes it at different positions using a support adjustment component, and flattens and fixes the base using a flattening motor component. This achieves the purpose of universalizing base positioning, improving the efficiency of changing between different styles of bases, and reducing production costs.
[0036] The above description is only a preferred embodiment of a CNC positioning device for chair base production disclosed in this utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of this utility model, and these all fall within the protection scope of this utility model.
Claims
1. A numerical control positioner for chair base production, characterized by, The base frame assembly comprises a mounting frame, a base ring advancing assembly arranged on the mounting frame to advance the base workpiece, a base ring height adjusting assembly arranged on the mounting frame to adjust the placing height of the base ring, a base workpiece demolding motor arranged on the mounting frame, a support adjusting assembly arranged on the mounting frame to adjust the base workpiece, and a flattening motor assembly arranged on the mounting frame to press and fix the base workpiece. The demolding motor is arranged at the bottom center of the mounting frame, and the support adjusting assembly is uniformly distributed around the demolding motor.
2. The numerical control positioner for chair base production according to claim 1, characterized in that, The base ring advancing assembly comprises four base ring advancing motors, which are uniformly distributed on the four side walls of the mounting frame, and the end of the base ring advancing motor is arranged on the outer side wall of the placing block.
3. The numerical control positioner for chair base production according to claim 1, characterized in that, The flattening motor assembly comprises four base ring flattening motors, and the base ring flattening motor corresponds to the placing block one by one. The base ring flattening motor is arranged on the placing block, and the top end of the base ring flattening motor is provided with a "Z"-shaped pressing plate.
4. The numerical control positioner for chair base production according to claim 1, characterized in that, The base ring support adjusting assembly comprises four base ring support adjusting motors, which correspond to the placing block one by one, and the movable end of the support adjusting motor is arranged below the placing block.
5. The numerical control positioner for chair base production according to claim 4, characterized in that, The base ring support adjusting assembly comprises four support inner height adjusting motors and four support outer height adjusting motors, which are uniformly distributed around the demolding motor, and the demolding motor, the support inner height adjusting motor, the support outer height adjusting motor and the base ring height adjusting motor are distributed from inside to outside.