Chair base forming device

By designing a chair base forming device, which uses a cylinder to drive the sliding seat to slide and move the expansion block, the problem of efficient expansion forming of the round metal frame of the chair base was solved, realizing automated production and cost reduction.

CN223699049UActive Publication Date: 2025-12-23GUANGXI SHENGWEI HOME FURNISHING TECH CO LTD
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Patent Information

Application Number
CN202423061521.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-12-23
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

In the existing technology, it is difficult to achieve efficient and automated expansion and forming of the circular metal frame of the chair base during production, resulting in low production efficiency and high cost.

Method used

A chair base forming device is designed, which uses a cylinder to drive a sliding seat to slide along the mounting rail, thereby driving the expansion block to uniformly expand and form the metal frame base. The device has a simple structure and a high degree of automation.

Benefits of technology

It achieves efficient and automated expansion molding of chair bases, reducing production costs and improving ease of operation and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a chair base forming device which comprises a machining table for machining a metal frame base, an air cylinder is fixedly connected to the bottom of the machining table, a switch set for controlling the air cylinder to stretch out and draw back is further arranged on the outer side of the machining table, the power end of the air cylinder movably penetrates through the machining table and then extends to the upper end of the machining table, and the power end of the air cylinder is fixedly sleeved with a fixing base. Four sets of mounting rails are fixedly arranged on the upper end face of the machining table, sliding seats are slidably arranged at the upper ends of the mounting rails, multiple sets of connecting lugs corresponding to the mounting rails are fixedly connected to the outer sides of the fixing seats, the sliding seats are connected with the connecting lugs through movable rods, and expanding and supporting blocks for expanding and supporting the metal frame base are fixedly installed on the outer sides of the sliding seats. The air cylinder is matched with the transmission structure to drive the multiple sets of expanding and supporting blocks to move synchronously, the metal frame base on the outer sides of the expanding and supporting blocks is evenly expanded and formed, the overall structure is simple and reasonable, the automation degree is high, operation is very convenient, the practical effect is obviously improved, and the overall cost is very low.
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Description

TECHNICAL FIELD

[0001] The utility model relates to floor guiding device related field especially, a kind of chair base forming device. BACKGROUND

[0002] Chair is a kind of daily life furniture, usually with backrest and armrest, can let people sit and rest, there are various chairs in modern life, and most chairs have the base structure supported by it, we take the common base as the structure of supporting base with circular metal frame.

[0003] The above-mentioned circular metal frame seat base is actually a circular shelf supporting the ground, and the upper end is fixedly connected to the bottom of the chair through a supporting rod to realize overall support. In production, the circular metal frame raw material needs to be expanded to ensure the overall roundness, therefore, it is necessary to design a device to assist the expansion forming of the chair base to facilitate the production and processing of the circular metal frame base of the chair. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem in the background art that the prior art has the above-mentioned purpose, and the utility model adopts the following technical scheme:

[0005] A chair base forming device includes a machining table for machining a metal frame base, a gas cylinder is fixedly connected to the bottom of the machining table, and a switch group for controlling the extension and retraction of the gas cylinder is further arranged on the outer side of the machining table. The power end of the gas cylinder is movably penetrated through the machining table and extends to the upper end thereof, and a fixed seat is fixedly arranged on the power end of the gas cylinder. Four groups of mounting rails are fixedly arranged on the upper end surface of the machining table, and the mounting rails are uniformly arranged on the outer side of the fixed seat. A sliding seat is slidably arranged on the upper end of the mounting rail. A plurality of connecting ears corresponding to the mounting rails are fixedly connected to the outer side of the fixed seat, and the sliding seat and the connecting ears are connected by a movable rod. Expansion blocks for expanding the metal frame base are fixedly installed on the outer side of the sliding seat.

[0006] Preferably, the mounting rail is a T-shaped sliding rail structure, and the sliding seat is limitingly slid with the mounting rail.

[0007] Preferably, the contact surface between the mounting rail and the sliding seat is designed as a smooth surface structure.

[0008] Preferably, the sliding seat and the expansion block are fixedly connected by a bracket.

[0009] Preferably, the movable rod is rotatably connected with the sliding seat and the connecting ear by a rotating pin.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] The utility model discloses a fixed cylinder through installation in the bottom of processing platform, and the power end of cylinder is equipped with fixed seat, and the installation rail fixed on the upper end of processing platform is arranged around the cylinder, and the sliding seat is slidably installed on the upper end of installation rail, and the movable rod is connected to fixed seat, finally through switch group starts cylinder conveying and drives sliding seat to slide along installation rail, and then drives multiple sets of expansion block synchronous movement, and the metal frame base outside expansion block is uniformly expanded and formed, and the whole structure is simple and reasonable and high degree of automation, and the operation is very convenient, has obvious practical effect promotion, and the overall cost is very low, and it is worth to promote the use of existing market. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structure schematic view of the utility model;

[0013] Fig. 2 It is the structure schematic view of the utility model side view angle;

[0014] Fig. 3 It is the structure schematic view of the utility model installation rail structure side view.

[0015] In the drawing: 1-processing platform, 2-cylinder, 3-switch group, 4-fixed seat, 5-installation rail, 6-sliding seat, 601-bracket, 7-connection ear, 8-movable rod, 801-rotary pin, 9-expansion block, 10-metal frame base. DETAILED DESCRIPTION

[0016] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and are not indicative or implied that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.

[0017] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly and specifically limited.

[0018] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "set", "sleeve / interface", "connection" and the like should be understood broadly, for example, "connection", can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Referring to Figs. 1-3 A chair base forming device, including the processing table 1 that processes the metal frame base 10, the bottom fixed connection of processing table 1 has the cylinder 2, processing table 1 outside still is provided with the switch group 3 of control cylinder 2 telescoping, cylinder 2 power end activity penetrates processing table 1 after extending to its upper end, and cylinder 2 power end fixedly sheathed with fixed seat 4, four groups of mounting rails 5 are fixedly arranged on the upper end surface of processing table 1, and mounting rails 5 are evenly arranged on the outside of fixed seat 4, sliding seat 6 is slidably arranged on the upper end of mounting rail 5, a plurality of connecting ears 7 corresponding to mounting rail 5 are fixedly connected to the outside of fixed seat 4, and sliding seat 6 and connecting ear 7 are connected by movable rod 8, and expansion block 9 for expanding the metal frame base 10 is fixedly installed on the outside of sliding seat 6.

[0021] Based on the above structure, when the device is used, the staff places the metal frame base 10 on the upper end of the processing table 1 and sleeves the outside of the plurality of expansion blocks 9, then starts the telescoping of the cylinder 2 through the switch group 3, the cylinder 2 rises to drive the fixed seat 4 at the upper end and the connecting ear 7 on the outside to rise together, and drives the sliding seat 6 to slide along the mounting rail 5 through the movable rod 8, and then drives the plurality of expansion blocks 9 to move synchronously, uniformly expands and forms the metal frame base 10 on the outside of the expansion block 9, which is convenient to operate, low in cost and high in automation degree.

[0022] Among them, mounting rail 5 is T-shaped slide rail structure, sliding seat 6 and mounting rail 5 limit sliding, the contact surface of mounting rail 5 and sliding seat 6 is smooth surface structure design, reduces sliding friction.

[0023] Among them, sliding seat 6 and expansion block 9 are fixedly connected through support 6.

[0024] Among them, movable rod 8 and sliding seat 6, connecting ear 7 are all rotatably connected through rotating pin 801.

[0025] The above embodiment is the preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement mode, which is included in the protection scope of the present application.

[0026] In the description of the present application, it should be understood that the terms indicating the position or location relationship are based on the position or location relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application.

Claims

1. A chair base forming device, comprising a processing table (1) for processing a metal frame base (10), a cylinder (2) fixedly connected to the bottom of the processing table (1), and a switch assembly (3) for controlling the extension and retraction of the cylinder (2) provided on the outside of the processing table (1), characterized in that: The power end of the cylinder (2) extends through the processing table (1) to its upper end, and the power end of the cylinder (2) is fixedly fitted with a fixed seat (4). Four sets of mounting rails (5) are fixedly installed on the upper surface of the processing table (1), and the mounting rails (5) are evenly arranged on the outside of the fixed seat (4). A sliding seat (6) is slidably installed on the upper end of the mounting rail (5). Multiple sets of connecting ears (7) corresponding to the mounting rails (5) are fixedly connected to the outside of the fixed seat (4), and the sliding seat (6) is connected to the connecting ears (7) through a movable rod (8). An expansion block (9) for expanding the metal frame base (10) is fixedly installed on the outside of the sliding seat (6).

2. The chair base forming device according to claim 1, characterized in that, The mounting rail (5) is a T-shaped slide rail structure, and the sliding seat (6) is limited to slide with the mounting rail (5).

3. The chair base forming device according to claim 2, characterized in that, The contact surface between the mounting rail (5) and the sliding seat (6) is designed as a smooth surface.

4. The chair base forming device according to claim 3, characterized in that, The sliding seat (6) and the expansion block (9) are fixedly connected by a bracket (601).

5. A chair base forming device according to claim 4, characterized in that, The movable rod (8) is rotatably connected to the sliding seat (6) and the connecting ear (7) by a rotating pin (801).