Automatic dovetail joint machine with precise positioning function

Abstract

The utility model relates to the technical field of dovetail tenoning, and provides an automatic dovetail tenoning machine with a precise positioning function, which is characterized in that a positioning plate and a positive and negative motor are arranged at the bottom of a distance adjusting seat, and the output end of the positive and negative motor drives a threaded rod to rotate by starting the positive and negative motor; the distance adjusting grooves with different inclination angles are used for driving the limiting columns and the distance adjusting seats to move, so that the horizontal distance adjusting work of the distance adjusting seats at the top of the middle seat can be completed; and meanwhile, a base for supporting and a first telescopic rod are arranged at the bottom of the middle seat, and the telescopic end of the first telescopic rod drives the middle seat to ascend and descend, so that the tenoning depth between the tenoning cutter and the plate placed on the top of the bearing plate can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of dovetail mortising, and particularly to an automatic dovetail mortiser with a precise positioning function. Background Art

[0002] A dovetail tenon is a right-angle connection node for flat wood. The trapezoidal tenon can enable high-strength joint of the corners of workpieces and avoid coming apart when stressed. Due to its good mechanical properties, dovetail tenons are very common in wooden furniture. How to ensure precise positioning during the mortising process of dovetail tenons is an urgent problem to be solved at present.

[0003] After retrieval, the utility model patent with the publication number CN210336292U discloses a dust-proof dovetail mortiser, which solves the problem that the current dovetail mortisers are prone to dust generation. The key points of its technical solution are a dust-proof dovetail mortiser, including a machine body, a rotary cutter installed in the inner cavity of the machine body, and a placement platform fixed on the machine body for placing wooden strips. The machine body is provided with a feeding opening for the wooden strips to be inserted into the inner cavity of the machine body. The machine body is provided with a dust-proof device at the feeding opening. The dust-proof device includes slide rails symmetrically arranged above and below the feeding opening, a dust-proof cover plate slidably installed in the slide rails, and a positioning structure for positioning the dust-proof cover plate on the machine body. The dust-proof dovetail mortiser can reduce the amount of wood dust ejected from the feeding opening.

[0004] The above-mentioned dust-proof dovetail mortiser cannot accurately adjust the mortising spacing, and at the same time, the dovetail mortiser cannot adjust the mortising thickness. Summary of the Utility Model

[0005] The utility model provides an automatic dovetail mortiser with a precise positioning function, which solves the problems that the existing technology cannot accurately adjust the mortising spacing and the dovetail mortiser cannot adjust the mortising thickness.

[0006] The technical solution of the utility model is as follows: an automatic dovetail mortiser with a precise positioning function, including a positioning component. The positioning component includes a middle seat. A positive and negative motor is fixedly installed at the bottom of the middle seat. The output end of the positive and negative motor is fixedly connected with a threaded rod. The positioning component further includes a positioning plate and a driven sliding seat. The positioning plate and the driven sliding seat are fixedly connected. The driven sliding seat is threadedly connected to the outside of the threaded rod. The middle part of the positioning plate is equidistantly penetrated with distance adjustment grooves. Above the middle seat, dovetail mortising components are equidistantly arranged. The dovetail mortising components include distance adjustment seats that rise and fall with the positioning plate to adjust the distance between the positioning plates. The dovetail mortising components further include dovetail mortising cutters arranged on the top of the distance adjustment seats for mortising the plates.

[0007] Preferably, the positioning component further includes two groups of limiting crossbars, the two groups of limiting crossbars are fixedly connected in parallel to the inner wall of the middle seat, the two groups of limiting crossbars penetrate through the through slots on the side of the distance adjusting seat, and the limiting crossbars are slidably connected to the distance adjusting seat.

[0008] Preferably, the tenoning component further includes a limiting post, the limiting post is fixedly connected to the front of the distance adjusting seat, the limiting post is located in the distance adjusting groove and the limiting post matches the distance adjusting groove.

[0009] Preferably, the tenoning component further includes a driving motor, the driving motor is fixedly installed in the distance adjusting seat, the output end of the driving motor is fixedly connected with a rotating shaft, and the top of the rotating shaft is fixedly connected with a tenoning knife.

[0010] Preferably, a base is arranged below the middle seat of the positioning component.

[0011] Preferably, two groups of first telescopic rods are symmetrically arranged on the top of the base, the fixed ends of the first telescopic rods are fixedly connected to the base, and the telescopic ends of the first telescopic rods are fixedly connected to the bottom of the middle seat.

[0012] Preferably, an upper seat is arranged above the middle seat of the positioning component, and a supporting plate is fixedly connected to the bottom of the upper seat.

[0013] Preferably, a second telescopic rod and a pressing plate are arranged in the middle of the upper seat, the fixed end of the second telescopic rod is fixedly connected to the upper seat, and the telescopic end of the second telescopic rod is fixedly connected to the pressing plate.

[0014] The beneficial effects of the present utility model are as follows:

[0015] In the present utility model, a positioning plate and a forward and reverse motor are provided at the bottom of the distance adjusting seat. By starting the forward and reverse motor, the output end of the forward and reverse motor drives the threaded rod to rotate, and then the driven sliding seat threadedly connected to the outside of the threaded rod drives the positioning plate to lift and lower at the middle seat. By driving each limiting post and the distance adjusting seat to move through the distance adjusting grooves with different inclination angles, the horizontal distance adjustment work of each distance adjusting seat at the top of the middle seat can be completed.

[0016] In the present utility model, a base for support and a first telescopic rod are provided at the bottom of the middle seat. By driving the middle seat to lift and move through the telescopic end of the first telescopic rod, the tenoning depth between the tenoning knife and the board placed on the top of the supporting plate can be adjusted. Description of the Drawings

[0017] The following further describes the present utility model in detail with reference to the drawings and specific embodiments.

[0018] Figure 1 It is a front view schematic diagram of the overall device structure of the present utility model;

[0019] Figure 2 Front view of the upper seat of the present utility model;

[0020] Figure 3 Front view of the positioning component of the present utility model;

[0021] Figure 4 Back view of the positioning component of the present utility model;

[0022] Figure 5 Schematic diagram of the mortising component of the present utility model;

[0023] In the figure: 1. Positioning component; 11. Middle seat; 12. Limit cross bar; 13. Reversible motor; 131. Threaded rod; 14. Positioning plate; 141. Driven sliding seat; 142. Spacing adjustment groove; 2. Base; 21. First telescopic rod; 3. Upper seat; 31. Supporting plate; 32. Second telescopic rod; 321. Pressing and fixing plate; 4. Mortising component; 41. Spacing adjustment seat; 42. Limit post; 43. Mortising knife; 431. Rotating shaft; 432. Driving motor. Specific implementation manner

[0024] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present utility model.

[0025] Please refer to Figure 3 , the present utility model provides a technical solution: an automatic dovetail mortiser with precise positioning function, including a positioning component 1. The positioning component 1 includes a middle seat 11. A reversible motor 13 is fixedly installed at the bottom of the middle seat 11. The output end of the reversible motor 13 is fixedly connected to a threaded rod 131. The positioning component 1 further includes a positioning plate 14 and a driven sliding seat 141. The positioning plate 14 and the driven sliding seat 141 are fixedly connected. The driven sliding seat 141 is threadedly connected to the outside of the threaded rod 131. The middle of the positioning plate 14 is equally spaced and provided with spacing adjustment grooves 142. Above the middle seat 11, a mortising component 4 is equally spaced. The mortising component 4 includes a spacing adjustment seat 41 that rises and falls with the positioning plate 14 to adjust the spacing between the positioning plates 14. The mortising component 4 further includes a mortising knife 43 arranged on the top of the spacing adjustment seat 41 for mortising the board. Through this design, the problem that the existing technology cannot accurately adjust the mortising spacing and the dovetail mortiser cannot adjust the mortising thickness is solved.

[0026] Please refer to Figure 3 and Figure 4, the positioning component 1 further includes two groups of limiting crossbars 12. The two groups of limiting crossbars 12 are fixedly connected in parallel to the inner wall of the middle seat 11. The two groups of limiting crossbars 12 penetrate through the through slots on the side of the distance adjustment seat 41, and the limiting crossbars 12 are slidably connected to the distance adjustment seat 41. The distance adjustment seat 41 can be limited by the two groups of limiting crossbars 12 to prevent the distance adjustment seat 41 from shifting in position during movement.

[0027] Please refer to Figure 3 , the mortising component 4 further includes a limiting post 42. The limiting post 42 is fixedly connected to the front of the distance adjustment seat 41. The limiting post 42 is located in the distance adjustment slot 142 and the limiting post 42 matches the distance adjustment slot 142. The distance adjustment seat 41 can be limited during sliding by the limiting post 42.

[0028] Please refer to Figure 5 , the mortising component 4 further includes a driving motor 432. The driving motor 432 is fixedly installed in the distance adjustment seat 41. The output end of the driving motor 432 is fixedly connected with a rotating shaft 431. The top of the rotating shaft 431 is fixedly connected to the mortising knife 43. The mortising work on the wood can be completed by driving the mortising knife 43 to rotate through the driving motor 432.

[0029] Please refer to Figure 1 , a base 2 is arranged below the middle seat 11 of the positioning component 1. Two groups of first telescopic rods 21 are symmetrically arranged on the top of the base 2. The fixed ends of the first telescopic rods 21 are fixedly connected to the base 2, and the telescopic ends of the first telescopic rods 21 are fixedly connected to the bottom of the middle seat 11. The mortising depth between the mortising knife 43 and the board placed on the top of the supporting plate 31 can be adjusted by driving the middle seat 11 to move up and down through the telescopic ends of the first telescopic rods 21.

[0030] Please refer to Figure 2 , an upper seat 3 is arranged above the middle seat 11 of the positioning component 1. A supporting plate 31 is fixedly connected to the bottom of the upper seat 3. A second telescopic rod 32 and a pressing plate 321 are arranged in the middle of the upper seat 3. The fixed end of the second telescopic rod 32 is fixedly connected to the upper seat 3, and the telescopic end of the second telescopic rod 32 is fixedly connected to the pressing plate 321. When the wood to be mortised is placed on the top of the supporting plate 31, the fixing work on the wood can be completed through the second telescopic rod 32 and the pressing plate 321 to prevent loosening during the mortising process.

[0031] The working principle and usage process of the present utility model are as follows:

[0032] In the present utility model, the mortising of wood can be completed by starting the driving motor 432 to drive the mortising cutter 43 to rotate. In particular, in this design, a positioning plate 14 and a forward and reverse motor 13 are provided at the bottom of the distance adjusting seat 41. By starting the forward and reverse motor 13, the output end of the forward and reverse motor 13 drives the threaded rod 131 to rotate, and then the driven sliding seat 141 threadedly connected to the outside of the threaded rod 131 drives the positioning plate 14 to lift and lower at the middle seat 11. By driving each limiting column 42 and the distance adjusting seat 41 to move through the distance adjusting grooves 142 with different inclination angles, the horizontal distance adjustment work of each distance adjusting seat 41 at the top of the middle seat 11 can be completed. In particular, in this design, a base 2 and a first telescopic rod 21 for support are provided at the bottom of the middle seat 11. By driving the middle seat 11 to lift and move through the telescopic end of the first telescopic rod 21, the mortising depth between the mortising cutter 43 and the board placed on the top of the supporting plate 31 can be adjusted.

[0033] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. An automatic dovetail tenon machine with precise positioning function, comprising a positioning assembly (1), characterized in that: The positioning assembly (1) comprises a central seat (11), a forward and reverse motor (13) is fixedly mounted at the bottom of the central seat (11), and a threaded rod (131) is fixedly connected to the output end of the forward and reverse motor (13). The positioning assembly (1) also comprises a positioning plate (14) and a driven slide (141), the positioning plate (14) and the driven slide (141) are fixedly connected, and the driven slide (141) is threadedly connected to the outside of the threaded rod (131). The middle of the positioning plate (14) is provided with distance-adjusting grooves (142) at equal intervals. Tenoning assemblies (4) are arranged at equal intervals above the central seat (11), and the tenoning assemblies (4) comprise distance-adjusting seats (41) that adjust the distance between the positioning plates (14) as the positioning plate (14) rises and falls. The tenoning assemblies (4) also comprise a tenoning knife (43) arranged at the top of the distance-adjusting seat (41) for tenoning a plate.

2. The automatic dovetail tenon machine with precise positioning function according to claim 1, characterized in that: The positioning assembly (1) further comprises two groups of limit cross bars (12), the two groups of limit cross bars (12) being parallel and fixedly connected to the inner wall of the central seat (11), the two groups of limit cross bars (12) penetrating the slots on the side of the distance adjusting seat (41), and the limit cross bars (12) and the distance adjusting seat (41) being slidably connected.

3. The automatic dovetail tenon machine with precise positioning function according to claim 1, characterized in that: The mortise and tenon assembly (4) further comprises a limiting column (42), wherein the limiting column (42) is fixedly connected to the front side of the distance adjusting seat (41), and the limiting column (42) is located in the distance adjusting slot (142) and the limiting column (42) matches the distance adjusting slot (142).

4. The automatic dovetail tenon machine with precise positioning function according to claim 1, characterized in that: The tenoning assembly (4) further comprises a driving motor (432), wherein the driving motor (432) is fixedly mounted in the distance adjusting seat (41), an output end of the driving motor (432) is fixedly connected to a rotating shaft (431), and a top of the rotating shaft (431) is fixedly connected to the tenoning knife (43).

5. The automatic dovetail tenon machine with precise positioning function according to claim 1, characterized in that: The positioning component (1) is provided with a base (2) located below the central seat (11).

6. The automatic dovetail tenon machine with precise positioning function according to claim 5, characterized in that: Two groups of first telescopic rods (21) are symmetrically arranged on the top of the base (2); the fixed ends of the first telescopic rods (21) are fixedly connected to the base (2); and the telescopic ends of the first telescopic rods (21) are fixedly connected to the bottom of the central seat (11).

7. The automatic dovetail tenon machine with precise positioning function according to claim 1, characterized in that: The positioning assembly (1) is provided with an upper seat (3) located above the middle seat (11), and a supporting plate (31) is fixedly connected to the bottom of the upper seat (3).

8. The automatic dovetail tenon machine with precise positioning function according to claim 7, characterized in that: A second telescopic rod (32) and a pressing plate (321) are provided in the middle of the upper seat (3); a fixed end of the second telescopic rod (32) is fixedly connected to the upper seat (3); and a telescopic end of the second telescopic rod (32) is fixedly connected to the pressing plate (321).

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