Speed-adjustable automatic feeding device of woodworking thicknesser

Abstract

The utility model relates to the technical field of press planer feeding, and discloses a woodworking press planer speed-adjustable automatic feeding device which comprises a fixing base, a placing table is installed at the top end of the fixing base, a planer tool installation hole is formed in the central axis position of the placing table, supporting plates are installed at the bottom ends of the two sides of the fixing base respectively, and the supporting plates are arranged on the fixing base. And electric telescopic rods are mounted at the top ends of the supporting plates. The gear is pulled upwards and rotates to drive the meshing toothed plates, so that the two toothed plates are far away from each other or close to each other, the distance between the two limiting guide plates and the distance between the correcting guide plates are adjusted, wood boards with different widths are limited and guided, cutting lines between the wood boards and the planer tool are prevented from inclining, and the planer tool is prevented from being damaged. And the special structure of the correction guide plate is used for conveniently correcting and guiding the movement of the planed board, so that the forward movement smoothness of the planed board is ensured, and the planed board is ensured to move stably.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding of a planer, in particular to an adjustable-speed automatic feeding device for a woodworking planer. Background Technique

[0002] A planer is a device for planing the surface of a wooden board to make the surface of the wooden board obtain better flatness. Usually, the planer knife is composed of a knife shaft and blades arranged on the surface of the knife shaft. When in use, the wooden board is usually placed on the processing table, and by moving the wooden board back and forth, a friction planing effect is formed between the bottom surface of the wooden board and the planer knife.

[0003] Chinese Patent Grant Publication No. CN218170711U discloses a feeding adjustment device for a woodworking single-sided planer, which includes a housing. Openings are provided on the front side and the rear side of the housing. Two moving frames are slidably arranged in the two openings. A first motor is fixedly installed on the front side of the moving frame. Two connecting shafts are rotatably arranged in the moving frame. The structure of the utility model is reasonably designed, and it can conveniently and automatically adjust the distance between the feeding roller located above and the feeding roller located below. The adjustment operation is convenient and the reliability is high. The above-mentioned existing technical solution has the following deficiencies: Although the distance between the upper and lower moving frames can be adjusted in this device, it cannot guide the left and right sides of wooden boards with different widths, so that when the wooden board moves, the planing surface of the planer knife is prone to be inclined with the wooden board, thus affecting the smoothness of the feeding movement of the wooden board. Therefore, there is a certain room for improvement. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an adjustable-speed automatic feeding device for a woodworking planer to solve the problem that the existing feeding device of the woodworking planer is not easy to guide the two sides of the feeding direction of the wooden board as mentioned in the above background technique.

[0005] To achieve the above object, the present utility model provides the following technical solution: An adjustable-speed automatic feeding device for a wood planer, comprising a fixed seat. A placing table is installed at the top of the fixed seat, and a planer knife mounting hole is provided at the central axis position of the placing table. Support plates are installed at the bottom ends on both sides of the fixed seat, and electric telescopic rods are installed at the top ends of the support plates. The top ends of the two electric telescopic rods are connected to a movable table. A support block is installed at one end on the outer side of the movable table, and a reduction motor is installed on one side of the support block. Pressing rollers are embedded on both sides of the movable table, and the rotating shaft of one of the pressing rollers is connected to the output end of the reduction motor. The two pressing rollers are respectively located on both sides above the planer knife mounting hole, and the rotating shafts of the two pressing rollers are connected by a belt assembly. Guide plates are installed on both sides of the top end of the movable table, and guide holes are provided inside the guide plates. Two oppositely arranged connecting plates penetrate through the left and right guide holes, and toothed plates are installed at one side of the bottom ends of the two connecting plates. An adjusting mechanism is arranged at the central position of the top end of the movable table to engage the toothed plates to drive the two connecting plates to approach or move away from each other. Limiting guide plates are installed at the bottom ends of one side of the two connecting plates, and driving rollers are embedded on the opposite sides of the two limiting guide plates. Calibration guide plates are installed at the bottom ends of the other side of the two connecting plates, and the inner sides of the calibration guide plates and the limiting guide plates are both abutted against the outer side of the movable table. Ball bearings are embedded at the abutting sides of the calibration guide plates, the limiting guide plates and the movable table.

[0006] Preferably, a groove is provided at the bottom end of the toothed plate, and a slide rail is slidably installed inside the groove. The bottom end of the slide rail is connected to the top end of the movable table. The two toothed plates are centrosymmetric with respect to the movable table.

[0007] Preferably, the two connecting plates form a front-back sliding relationship with the guide plates through the cooperation of the guide holes and the ball bearings.

[0008] Preferably, the adjusting mechanism includes a limit fixing rod fixedly installed at the central position of the top end of the movable table, and a gear is sleeved outside the limit fixing rod. A handle is installed at the top end of the gear. Positioning blocks are evenly installed at the bottom end of the gear, and positioning grooves are evenly provided at the top end of the movable table below the positioning blocks. The bottom end of the positioning block extends into the positioning groove.

[0009] Preferably, the gear is movably connected to the limit fixing rod, that is, the gear moves up and down or rotates along the limit fixing rod, and the gear is always meshed with the inner sides of the two toothed plates.

[0010] Preferably, the positioning grooves are distributed in a compact ring shape on the movable table, and the number of the positioning grooves is five times the number of the positioning blocks.

[0011] Preferably, the limiting guide plate is located at the initial advancing side of the wooden board. The top view cross-section of the alignment guide plate is a right trapezoid, and the inclined surface faces the limiting guide plate. At the same time, the limiting guide plate and the alignment guide plate are respectively located on both sides of the planer knife mounting hole.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] (1) By pulling up the gear and rotating it, the meshing tooth plate is driven, so that the two tooth plates move away from or close to each other, thereby adjusting the distance between the two limiting guide plates and the alignment guide plate, so as to realize the limiting and guiding of wooden boards of different widths and sizes, prevent the cutting line between the wooden board and the planer knife from tilting, and utilize the special structure of the alignment guide plate to facilitate the alignment and guiding of the movement of the wooden board after planing, so as to ensure the smoothness of the forward movement of the wooden board and ensure the stable forward movement of the wooden board;

[0014] (2) Through the action of the two pressure rollers, the extrusion and friction of the pressure rollers on the lower wooden board are utilized, so that the rotating pressure rollers can drive the wooden board to move forward, and by adjusting the speed of the reduction motor, the rotation speed of the pressure rollers is changed, thereby adjusting the forward speed of the wooden board, so as to ensure the stable planing between the wooden board and the planer knife and reduce the possibility of slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a schematic main sectional structure diagram of the present utility model;

[0017] Figure 2 It is a schematic three-dimensional structure diagram of the movable table of the present utility model;

[0018] Figure 3 It is a schematic three-dimensional structure diagram of the guide plate of the present utility model;

[0019] Figure 4 It is a schematic three-dimensional structure diagram of the tooth plate distribution of the present utility model.

[0020] Description of the reference numerals in the figures: 1. Fixed seat; 2. Placing table; 3. Planer knife mounting hole; 4. Electric telescopic rod; 5. Movable table; 6. Support plate; 7. Adjusting mechanism; 701. Limit fixing rod; 702. Gear; 703. Handle; 704. Positioning block; 705. Positioning groove; 8. Tooth plate; 9. Connecting plate; 10. Guide plate; 11. Guide hole; 12. Pressing roller; 13. Support block; 14. Reducing motor; 15. Belt assembly; 16. Limit guide plate; 17. Driving roller; 18. Ball; 19. Alignment guide plate. Detailed implementation manners

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1 - 4 , an embodiment provided by the present utility model: An adjustable-speed automatic feeding device for a woodworking planer, including a fixed seat 1, a placing table 2 is installed at the top end of the fixed seat 1, and a planer knife mounting hole 3 is provided at the central axis position of the placing table 2. At the bottom ends on both sides of the fixed seat 1, support plates 6 are installed, and electric telescopic rods 4 are installed at the top ends of the support plates 6. The top ends of the two electric telescopic rods 4 are connected to a movable table 5. At one end on the outer side of the movable table 5, a support block 13 is installed, and a reducing motor 14 is installed on one side of the support block 13. Pressing rollers 12 are embedded on both sides of the movable table 5, and the rotating shaft of one of the pressing rollers 12 is connected to the output end of the reducing motor 14. The two pressing rollers 12 are respectively located on both sides above the planer knife mounting hole 3, and the rotating shafts of the two pressing rollers 12 are driven and connected through a belt assembly 15. Guide plates 10 are installed at both sides of the top end of the movable table 5, and guide holes 11 are provided inside the guide plates 10. Two oppositely arranged connecting plates 9 penetrate through the left and right guide holes 11;

[0023] The two connecting plates 9 form a front-back sliding relationship with the guide plates 10 through the cooperation of the guide holes 11 and the balls 18;

[0024] Specifically, as shown in Figure 1 and Figure 3 , when in use, by the action of the guide plates 10 and the guide holes 11, it is convenient to limit the connecting plates 9, and in cooperation with the balls 18, it is convenient to limit the limit guide plates 16 and the alignment guide plates 19, indirectly further limiting and guiding the connecting plates 9, so that the movement of the two connecting plates 9 can achieve the adjustment effect on the distance between the two limit guide plates 16 and the two alignment guide plates 19;

[0025] And on one side of the bottom ends of the two connecting plates 9, a toothed plate 8 is installed respectively;

[0026] A groove is formed at the bottom end of the toothed plate 8, and a slide rail is slidably installed inside the groove. The bottom end of the slide rail is connected to the top end of the movable table 5. The two toothed plates 8 are centrosymmetric with respect to the movable table 5;

[0027] Specifically, as Figure 1 、 Figure 2 shown, during use, by the action of the slide rail and the groove, it is convenient to limit and guide the toothed plate 8, ensure the stable movement of the toothed plate 8, and the stable meshing between the toothed plate 8 and the gear 702;

[0028] An adjusting mechanism 7 is arranged at the central position of the top end of the movable table 5 to drive the two connecting plates 9 to approach or move away from each other by engaging the toothed plate 8;

[0029] The adjusting mechanism 7 includes a limit fixing rod 701 fixedly installed at the central position of the top end of the movable table 5. A gear 702 is sleeved outside the limit fixing rod 701. A handle 703 is installed at the top end of the gear 702. Positioning blocks 704 are uniformly installed at the bottom end of the gear 702. And positioning grooves 705 are uniformly formed at the top end of the movable table 5 below the positioning blocks 704. The bottom end of the positioning block 704 extends into the interior of the positioning groove 705;

[0030] The gear 702 is movably connected to the limit fixing rod 701, that is, the gear 702 moves up and down or rotates along the limit fixing rod 701. The gear 702 is always meshed with the inner sides of the two toothed plates 8;

[0031] The positioning grooves 705 are distributed in a compact ring shape on the movable table 5. The number of the positioning grooves 705 is five times the number of the positioning blocks 704;

[0032] Specifically, as Figure 1 、 Figure 2 and Figure 4 shown, during use, by the action of the positioning groove 705 and the positioning block 704, it is convenient to limit and fix the gear 702, thereby preventing the gear 702 from rotating randomly and ensuring the fixing effect of the adjustment of the toothed plate 8;

[0033] On one side of the bottom ends of the two connecting plates 9, a limit guide plate 16 is installed respectively;

[0034] The limit guide plate 16 is located at the initial advancing side of the wooden board. The top view cross-section of the alignment guide plate 19 is a right trapezoid, and the inclined surface faces the limit guide plate 16. At the same time, the limit guide plate 16 and the alignment guide plate 19 are respectively located on both sides of the planer knife mounting hole 3;

[0035] Moreover, drive rollers 17 are embedded on the opposite sides of the two limit guide plates 16. On the other side of the bottom ends of the two connecting plates 9, alignment guide plates 19 are installed. The inner sides of the alignment guide plates 19 and the limit guide plates 16 are both abutted against the outer side of the movable table 5. Ball bearings 18 are embedded on the abutting sides of the alignment guide plates 19 and the limit guide plates 16 against the movable table 5.

[0036] Specifically, as Figure 1 , Figure 4 shown, during use, the special structure of the alignment guide plate 19 is utilized to facilitate guiding the wooden board and ensure the smooth forward movement of the wooden board during planing.

[0037] Working principle: When the present utility model is in use, first place the wooden board on the placing table 2 so that the wooden board is located on one side of the cutter mounting hole 3. Start the electric telescopic rod 4 to shorten, so that the bottom end of one side pressure roller 12 abuts against the top end of the wooden board;

[0038] Secondly, pull up the handle 703, so that the gear 702 slides upward along the limit fixing rod 701, and rotate the handle 703 to make the gear 702 rotate and engage with the two toothed plates 8 on both sides, so that the two toothed plates 8 approach each other, and make the connecting plate 9 approach each other along the guide hole 11, thereby driving the two limit guide plates 16 and the alignment guide plates 19 to move synchronously, so that the inner sides of the two drive rollers 17 are both abutted against the two outer sides of the wooden board;

[0039] Finally, start the reduction motor 14 to make the pressure roller 12 rotate to drive the wooden board to move forward, and make the wooden board abut against the other side pressure roller 12, so that the wooden board passes through the cutter mounting hole 3 and is planed under the cutter. At the same time, the two outer sides of the forward end of the wooden board contact the alignment guide plates 19 and are guided under the action of the two alignment guide plates 19 to stabilize the forward direction. By adjusting the rotation of the reduction motor 14, the rotation speed of the pressure roller 12 is changed, and then the forward speed of the wooden board is adjusted.

[0040] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0041] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or equivalently replace some of the technical features. These modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An adjustable-speed automatic feeding device for a wood planer, comprising a fixed seat (1), characterized in that: At the top of the fixed base (1), a placement table (2) is installed, and a planer knife mounting hole (3) is provided at the central axis position of the placement table (2). At the bottom ends on both sides of the fixed base (1), support plates (6) are installed, and electric telescopic rods (4) are installed at the top ends of the support plates (6). The top ends of the two electric telescopic rods (4) are connected to a movable table (5). At one end on the outer side of the movable table (5), a support block (13) is installed, and a reduction motor (14) is installed on one side of the support block (13). Pressing rollers (12) are embedded on both sides of the movable table (5), and the rotating shaft of one pressing roller (12) is connected to the output end of the reduction motor (14). The two pressing rollers (12) are respectively located on both sides above the planer knife mounting hole (3). The rotating shafts between the two pressing rollers (12) are connected by a belt assembly (15). On both sides of the top end of the movable table (5), guide plates (10) are installed, and guide holes (11) are provided inside the guide plates (10). Two oppositely arranged connecting plates (9) penetrate through the left and right guide holes (11), and on one side of the bottom ends of the two connecting plates (9), rack plates (8) are installed. An adjusting mechanism (7) is arranged at the central position of the top end of the movable table (5) to engage with the rack plates (8) to drive the two connecting plates (9) to approach or move away from each other. On one side of the bottom ends of the two connecting plates (9), limit guide plates (16) are installed, and driving rollers (17) are embedded on the opposite sides of the two limit guide plates (16). On the other side of the bottom ends of the two connecting plates (9), alignment guide plates (19) are installed, and the inner sides of the alignment guide plates (19) and the limit guide plates (16) are in contact with the outer side of the movable table (5). Ball bearings (18) are embedded on the contact sides of the alignment guide plates (19), the limit guide plates (16) and the movable table (5).

2. The adjustable-speed automatic feeding device of a wood planer according to claim 1, wherein: At the bottom end of the rack plate (8), a groove is provided, and a slide rail is slidably installed inside the groove. The bottom end of the slide rail is connected to the top end of the movable table (5). The two rack plates (8) are symmetrically arranged about the movable table (5).

3. The adjustable-speed automatic feeding device of a wood planer according to claim 1, characterized in that: The two connecting plates (9) form a front-back sliding relationship with the guide plates (10) through the cooperation of the guide holes (11) and the ball bearings (18).

4. The adjustable-speed automatic feeding device of a wood planer according to claim 1, wherein: The adjusting mechanism (7) includes a limit fixing rod (701) fixedly installed at the central position of the top end of the movable table (5). A gear (702) is sleeved outside the limit fixing rod (701). A handle (703) is installed at the top end of the gear (702). Positioning blocks (704) are uniformly installed at the bottom end of the gear (702), and positioning grooves (705) are uniformly provided at the top end of the movable table (5) below the positioning blocks (704). The bottom ends of the positioning blocks (704) extend into the positioning grooves (705).

5. The adjustable-speed automatic feeding device of a wood planer according to claim 4, characterized in that: The gear (702) is movably connected to the limit fixing rod (701), that is, the gear (702) moves up and down or rotates along the limit fixing rod (701). The gear (702) is always meshed with the inner sides of the two rack plates (8).

6. The adjustable-speed automatic feeding device of a wood planer according to claim 4, characterized in that: The positioning grooves (705) are distributed in a compact ring shape on the movable table (5), and the number of the positioning grooves (705) is five times the number of the positioning blocks (704).

7. The adjustable-speed automatic feeding device of a wood planer according to claim 1, characterized in that: The limit guide plate (16) is located on the initial advancing side of the wooden board. The top view cross-section of the alignment guide plate (19) is a right trapezoid, and the inclined surface faces the limit guide plate (16). At the same time, the limit guide plate (16) and the alignment guide plate (19) are respectively located on both sides of the planer knife mounting hole (3).

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