Milling machining tool for arc-shaped wooden chair back

Abstract

The utility model relates to the field of milling machining of chair backs, in particular to a milling machining tool for arc-shaped wooden chair backs, which comprises a base. A tool seat is fixedly connected to the middle of the upper end of the base, a workpiece is arranged at the upper end of the tool seat, two sets of guide rails are fixedly connected to the positions, located at the front end and the rear end of the tool seat, of the upper end of the base, sliding plates are slidably connected to the upper ends of the guide rails, and lever supporting seats are fixedly connected to the upper ends of the sliding plates; the left side and the right side of the upper end of the front side lever supporting seat are each rotationally connected with a double-point pressing lever. Through the use of the double-point pressing seats and the single-point pressing seat, the controller drives the front side sliding plate to move to the position over the tool seat along the guide rail, the double-point pressing lever rotates along the lever supporting seat, and the two double-point pressing seats simultaneously press a workpiece downwards, so that the bending radian of the workpiece is uniform, the automation degree is high, and the bending strength is constant; the shape and the machining quality of the arc-shaped workpiece are guaranteed, and the machining efficiency and the production consistency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chair back milling type processing, especially to the milling type processing frock of arc wood chair back. BACKGROUND

[0002] The arc wood chair back wins the extensive love with its unique modeling and comfortable sitting feeling, is often applied to various home scenes, and the manufacturing process of the arc wood chair back is relatively complex, needs to pass through the selection material, cutting, bending, milling type assembly and coating multiple procedures to complete.

[0003] The existing milling type processing frock structure of arc wood chair back is relatively single, and the hardness, elasticity, texture and other characteristics of different wood and the uneven stress in the bending process all affect the bending performance of the wood chair back, the bending radius is not uniform, causes the contact of the cutter and workpiece to be uneven during processing, cannot accurately mill type processing, affects processing efficiency and processing quality.

[0004] Therefore, in view of the problems of the existing milling type processing frock of arc wood chair back, the bending radius is not uniform, cannot accurately mill type processing, affects processing efficiency and processing quality, the milling type processing frock of arc wood chair back can be designed, the double-point pressing seat and single-point pressing seat are pressed in turn, the bending radius of the workpiece is uniform, the precision and stability of the bending operation are improved, which is beneficial to subsequent processing, milling type, punching and other procedures, the degree of automation is high, the bending strength is constant, the shape and processing quality of the arc workpiece are guaranteed, and the processing efficiency and production consistency are improved. UTILITY MODEL CONTENTS

[0005] In order to overcome the problems of the existing milling type processing frock of arc wood chair back, the bending radius is not uniform, cannot accurately mill type processing, affects processing efficiency and processing quality.

[0006] The technical scheme of the utility model is as follows: the milling type processing frock of arc wood chair back, including base, still including double-point pressing seat and single-point pressing seat, the middle part of the upper end of base is fixedly connected with frock seat, the upper end of frock seat is provided with workpiece, the upper end of base and located the front and rear ends of frock seat are fixedly connected with two groups of guide rails, the upper end of guide rail is all slidably connected with sliding plate, the upper end of sliding plate is all fixedly connected with lever support seat, the left and right sides of the upper end of front side lever support seat are all rotatably connected with double-point pressing lever, the end close to frock seat of double-point pressing lever is all rotatably connected with double-point pressing seat, the upper end of rear side lever support seat is rotatably connected with single-point pressing lever, the end close to frock seat of single-point pressing lever is rotatably connected with single-point pressing seat.

[0007] Preferably, the workpiece is placed on the tool holder, the point touch control switch is controlled, the controller drives the front slide plate to move along the guide rail to the top of the tool holder, the double-point pressing lever rotates along the lever support seat, the two double-point pressing seats press the workpiece downward at the same time, so that the bending curvature of the workpiece is uniform, the controller drives the equipment to carry out 180-degree semicircle processing, milling, punching and other processes, the rear slide plate moves along the guide rail to the top of the tool holder, the single-point pressing lever rotates along the lever support seat, the single-point pressing seat presses the workpiece downward, and the double-point pressing lever is lifted at the same time, and the rear slide plate is reset, the controller drives the equipment to continue milling, punching and other processes, the single-point pressing lever is lifted and reset, and the processing is completed.

[0008] As preferred, two of each set of guide rails are symmetrically arranged left and right, and the front and rear ends of the upper end of the base are symmetrically and fixedly connected with air cylinders through connecting seats, the air cylinders are SC40x250 air cylinders, and the output ends of the air cylinders are fixedly connected with the slide plates.

[0009] As preferred, the ends of the lever support seats away from the tool holder are fixedly connected with supports, and the ends of the supports away from the lever support seats are rotatably connected with mounting seats.

[0010] As preferred, the inside of the mounting seat is fixedly connected with an oil cylinder, and the oil cylinder is a Φ63x50 oil cylinder.

[0011] As preferred, the output end of the oil cylinder is fixedly connected with a U-shaped link seat, and the ends of the double-point pressing lever and the single-point pressing lever away from the workpiece are rotatably connected with the U-shaped link seat.

[0012] As preferred, two of the double-point pressing seats are symmetrically arranged, and the lower ends of the double-point pressing seats and the single-point pressing seat are adapted to the upper end of the tool holder.

[0013] As preferred, the upper end of the tool holder is fixedly connected with a polyurethane rubber plate, and the lower ends of the double-point pressing seat and the single-point pressing seat are fixedly connected with the same polyurethane rubber plate.

[0014] The utility model discloses the beneficial effects:

[0015] The milling type processing tool of the arc-shaped wooden chair back, through the use of the double-point pressing seat and the single-point pressing seat, the controller drives the front slide plate to move to the top of the tool seat along the guide rail, the double-point pressing lever rotates along the lever supporting seat, the two double-point pressing seats press the workpiece downward at the same time, so that the bending curvature of the workpiece is uniform, the tool seat provides elastic support for the workpiece bending, the precision and stability of the bending operation are improved, the controller drives the equipment to carry out 180-degree semicircle processing, milling type, punching and other processes, the rear slide plate moves to the top of the tool seat along the guide rail, the single-point pressing lever rotates along the lever supporting seat, the single-point pressing seat presses the workpiece downward, and the double-point pressing lever is lifted at the same time, and retreats to reset, the controller drives the equipment to continue to carry out milling type, punching and other processes, the single-point pressing lever is lifted and retreats to reset, and the processing is completed, the degree of automation is high, the bending strength is constant, the shape and processing quality of the arc-shaped workpiece are ensured, and the processing efficiency and production consistency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A front view of the milling type processing tool of the arc-shaped wooden chair back of the utility model is shown;

[0017] Figure 2 A left view of the milling type processing tool of the arc-shaped wooden chair back of the utility model is shown;

[0018] Figure 3 A top view of the milling type processing tool of the arc-shaped wooden chair back of the utility model is shown.

[0019] The reference signs are explained as follows: 1, base; 2, tool seat; 3, workpiece; 4, guide rail; 5, slide plate; 6, lever supporting seat; 7, double-point pressing lever; 8, double-point pressing seat; 9, single-point pressing lever; 10, single-point pressing seat; 11, air cylinder; 12, support; 13, mounting seat; 14, oil cylinder; 15, U-shaped link seat; 16, polyurethane rubber plate. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Please refer to Figures 1-3The utility model provides a kind of embodiment: milling type processing frock of arc wood chair back, including base 1;Still including double-point pressing seat 8 and single-point pressing seat 10, the middle part fixedly connected with frock seat 2 is connected in the upper end of base 1, the upper end of frock seat 2 is provided with workpiece 3, the upper end of base 1 and located the front and rear ends of frock seat 2 are fixedly connected with two groups of guide rails 4, the upper end of guide rail 4 is slidably connected with slide 5, the upper end of slide 5 is fixedly connected with lever support seat 6, the left and right sides of the upper end of front side lever support seat 6 are rotatably connected with double-point pressing lever 7, the end close to frock seat 2 of double-point pressing lever 7 is rotatably connected with double-point pressing seat 8, the upper end of rear side lever support seat 6 is rotatably connected with single-point pressing lever 9, the end close to frock seat 2 of single-point pressing lever 9 is rotatably connected with single-point pressing seat 10, when using, workpiece 3 is placed on frock seat 2, by point touch control switch, controller drives front side slide 5 to move to the just above of frock seat 2 along guide rail 4, double-point pressing lever 7 rotates along lever support seat 6, two double-point pressing seats 8 press workpiece 3 down simultaneously, so that the bending curvature of workpiece 3 is uniform, frock seat 2 provides elastic support for workpiece 3 bending, improve the precision and stability of bending operation, controller drives equipment to carry out 180 degree semicircle processing, milling type, punching and other processes, rear side slide 5 moves to the just above of frock seat 2 along guide rail 4, single-point pressing lever 9 rotates along lever support seat 6, single-point pressing seat 10 presses workpiece 3 down, while double-point pressing lever 7 is lifted, retreats to reset, controller drives equipment to continue milling type, punching and other processes, single-point pressing lever 9 is lifted, retreats to reset, complete processing, high degree of automation, bending strength is constant, guarantee the shape and processing quality of arc workpiece 3, improve the efficiency of processing and production consistency.

[0022] Please refer to Figure 1 、 Figure 2 And Figure 3 In the embodiment, each group of guide rails 4 is provided with two left and right symmetries, the front and rear ends of the upper end of base 1 are fixedly connected with air cylinder 11 through connecting seat, air cylinder 11 is SC40×250 air cylinder, the output end of air cylinder 11 is fixedly connected with slide 5, air cylinder 11 drives slide 5 to move at uniform speed, improve stability, the end away from frock seat 2 of lever support seat 6 is fixedly connected with support 12, the end away from lever support seat 6 of support 12 is rotatably connected with mounting seat 13, mounting seat 13 rotates along support 12, the inside of mounting seat 13 is fixedly connected with oil cylinder 14, oil cylinder 14 is Φ63×50 oil cylinder, oil cylinder 14 rotates with support 12.

[0023] Please refer to Figure 1 、 Figure 2 And Figure 3In the embodiment, the output end of the oil cylinder 14 is fixedly connected with a U-shaped link seat 15, the ends of the double-point pressing lever 7 and the single-point pressing lever 9 away from the workpiece 3 are rotatably connected with the U-shaped link seat 15, the oil cylinder 14 drives the U-shaped link seat 15 to rotate the double-point pressing lever 7 along the lever support seat 6, the two double-point pressing seats 8 simultaneously press the workpiece 3 downward, so that the bending curvature of the workpiece 3 is uniform, the upper end of the tool holder 2 is fixedly connected with a polyurethane rubber plate 16, the lower ends of the double-point pressing seats 8 and the single-point pressing seat 10 are fixedly connected with the same polyurethane rubber plate 16, the polyurethane rubber plate 16 has excellent elasticity, which provides elastic support for the bending of the workpiece 3, effectively absorbs and disperses the stress, thereby preventing the wood from breaking or deforming due to stress concentration, and improving the precision and stability of the bending operation.

[0024] In operation, the workpiece 3 is placed on the tool holder 2, the point touch control switch is controlled, the controller drives the cylinder 11 to drive the sliding plate 5 to move along the guide rail 4 to the upper side of the tool holder 2, the oil cylinder 14 drives the U-shaped link seat 15 to rotate the double-point pressing lever 7 along the lever support seat 6, the two double-point pressing seats 8 simultaneously press the workpiece 3 downward, so that the bending curvature of the workpiece 3 is uniform, the tool holder 2 provides elastic support for the bending of the workpiece 3, improves the precision and stability of the bending operation, and the controller drives the equipment to perform 180-degree semicircle processing, milling, punching and other processes, the rear sliding plate 5 moves along the guide rail 4 to the upper side of the tool holder 2, the single-point pressing lever 9 rotates along the lever support seat 6, the single-point pressing seat 10 presses the workpiece 3 downward, and at the same time the double-point pressing lever 7 is lifted and retreated to reset, the controller drives the equipment to continue the milling, punching and other processes, the single-point pressing lever 9 is lifted and retreated to reset, and the processing is completed, which has high automation, constant bending strength, ensures the shape and processing quality of the arc-shaped workpiece 3, and improves the processing efficiency and production consistency.

[0025] Through the above steps and the use of the double-point pressing seat 8 and the single-point pressing seat 10, the double-point pressing seat 8 and the single-point pressing seat 10 are pressed in turn, the bending curvature of the workpiece 3 is uniform, the precision and stability of the bending operation are improved, which is beneficial to subsequent processing, milling, punching and other processes, has high automation, constant bending strength, ensures the shape and processing quality of the arc-shaped workpiece 3, and improves the processing efficiency and production consistency, so as to solve the problems of the existing milling processing tool for the arc-shaped wooden chair back that the bending curvature is not uniform and cannot be accurately milled, which affects the processing efficiency and processing quality.

Claims

1. A milling tooling fixture for arc-shaped wooden chair back, comprising a base (1); characterized in that: Also include double-point pressing seat (8) and single-point pressing seat (10), the upper end of the base (1) is fixedly connected with tool holder (2), the upper end of tool holder (2) is provided with workpiece (3), the upper end of base (1) and located at the front and rear ends of tool holder (2) is fixedly connected with two groups of guide rails (4), the upper end of guide rail (4) is slidably connected with slide plate (5), the upper end of slide plate (5) is fixedly connected with lever support seat (6), the left and right sides of the upper end of front lever support seat (6) are rotatably connected with double-point pressing lever (7), one end of double-point pressing lever (7) close to tool holder (2) is rotatably connected with double-point pressing seat (8), the upper end of rear lever support seat (6) is rotatably connected with single-point pressing lever (9), one end of single-point pressing lever (9) close to tool holder (2) is rotatably connected with single-point pressing seat (10).

2. The milling tooling fixture for an arc-shaped wooden chair back as claimed in claim 1, characterized in that: Each group of guide rails (4) is provided with two left and right symmetrical, the front and rear ends of the upper end of base (1) are fixedly connected with air cylinder (11) through connecting seat, air cylinder (11) is SC40x250 air cylinder, the output end of air cylinder (11) is fixedly connected with slide plate (5).

3. The milling tooling fixture for an arc-shaped wooden chair back as claimed in claim 1, characterized in that: The end of lever support seat (6) away from tool holder (2) is fixedly connected with bracket (12), the end of bracket (12) away from lever support seat (6) is rotatably connected with mounting seat (13).

4. The milling tooling fixture for an arc-shaped wooden chair back as claimed in claim 3, characterized in that: The inside of mounting seat (13) is fixedly connected with oil cylinder (14), oil cylinder (14) is Φ63x50 oil cylinder.

5. The milling tooling fixture for an arc-shaped wooden chair back as claimed in claim 4, characterized in that: The output end of oil cylinder (14) is fixedly connected with U-shaped link seat (15), one end of double-point pressing lever (7) and single-point pressing lever (9) away from workpiece (3) is rotatably connected with U-shaped link seat (15).

6. The milling tooling fixture for an arc-shaped wooden chair back as claimed in claim 1, characterized in that: Double-point pressing seat (8) is provided with two symmetrical, the lower end of double-point pressing seat (8) and single-point pressing seat (10) is matched with the upper end of tool holder (2).

7. The milling tooling fixture for an arc-shaped wooden chair back as claimed in claim 1, characterized in that: The upper end of tool holder (2) is fixedly connected with polyurethane rubber plate (16), the lower end of double-point pressing seat (8) and single-point pressing seat (10) is fixedly connected with the same polyurethane rubber plate (16). The upper end of tool holder (2) is fixedly connected with polyurethane rubber plate (16), the lower end of double-point pressing seat (8) and single-point pressing seat (10) is fixedly connected with the same polyurethane rubber plate (16).

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