Height-adjustable lockhole machine

Abstract

The utility model relates to the technical field of lockhole machines, in particular to a height-adjustable lockhole machine which comprises an operation table, and a mounting plate is welded to the left side of the upper surface of the operation table. The first motor is started to drive the first threaded rod to rotate, under the limiting effect of the sliding rod, the nut plate moves on the first threaded rod in the vertical direction, the first electric cylinder is made to be close to the position where punching is needed, and after the nut plate drives the lifting plate and the transverse plate to be adjusted to the proper height, the first electric cylinder is started to be close to a plate; a second motor is started to drive a transverse milling cutter to rotate to complete the punching work of a transverse lock hole, two second electric cylinders are started to be close to the two sides of the plate, a third motor is started to drive a longitudinal milling cutter to rotate to complete the punching work of a longitudinal lock hole, and when the thicknesses of the plates are different, the height of a lifting plate can be adjusted; and the transverse milling cutter and the longitudinal milling cutter can move to a proper height, so that the lock hole punching work is accurately completed, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of keyhole machines, in particular to a keyhole machine with adjustable height. Background Art

[0002] The keyhole machine is a very important equipment in woodworking machinery. It is mainly used for processing wooden doors, door frames, window frames, etc. It is used for milling and drilling slots in the shape of keyholes on the plane and side of wooden doors. It can also be used for slotting and drilling in wooden furniture.

[0003] The Chinese utility model patent with the publication number CN218227036U discloses a keyhole machine with high processing efficiency, including a machine body, a sliding block is slidably connected to the bottom surface of the machine body, a fixed block is slidably connected to the bottom surface of the sliding block, a first hydraulic rod is fixedly connected to the middle position of the right side of the machine body, a second hydraulic rod is fixedly connected to the middle position of the lower surface of the top of the machine body, a third hydraulic rod is fixedly connected to the middle position of the upper surface of the upper part of the bottom of the machine body, a load-bearing block is arranged on the right side of the machine body, a debris box is arranged on the right side of the load-bearing block, a fan is fixedly connected to the middle position of the bottom of the right side of the debris box, an air duct is fixedly connected to the middle position of the top surface of the debris box, and the air duct is made of soft plastic and can be folded and stretched;

[0004] However, the machine body and the hydraulic rod of the utility model are fixedly connected. When the thickness of the plate is different, the height of the first hydraulic rod cannot be adjusted, and the practicability is not strong. Therefore, a height-adjustable locking machine is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a height-adjustable keyhole machine to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a height-adjustable lock hole machine comprises an operating table, a mounting plate is welded on the left side of the upper surface of the operating table, and two fixed plates are welded on the right surface of the mounting plate, a first motor is installed on the upper surface of one of the fixed plates, an output shaft end of the first motor is fixedly connected to a first threaded rod, the first threaded rod and the fixed plate are rotatably connected through a bearing, an outer side wall of the first threaded rod is threadedly connected to a nut plate, a lifting plate is welded on the right surface of the nut plate, a first electric cylinder is fixedly connected to the middle of the right surface of the lifting plate, one end of the piston rod of the first electric cylinder is fixedly connected to the second motor, and the output shaft end of the second motor is fixedly connected to a transverse milling cutter, and two transverse plates are symmetrically welded on the right surface of the lifting plate, and the two transverse plates are fixedly connected to the second electric cylinder on the adjacent sides, one end of the piston rod of the second electric cylinder is fixedly connected to the third motor, and the output shaft end of the third motor is fixedly connected to the longitudinal milling cutter.

[0007] As a further preferred embodiment of the technical solution: two sliding rods are fixedly connected between the two fixing plates, and the outer side walls of the sliding rods are slidably connected to the nut plates.

[0008] As a further preferred embodiment of the present technical solution: a tray is fixedly connected to the right side of the upper surface of the operating table.

[0009] As a further preferred embodiment of the present technical solution: a mounting bracket is welded to the right side of the upper surface of the operating table, a fourth motor is installed on the upper surface of the mounting bracket, a second threaded rod is fixedly connected to the output shaft end of the fourth motor, the second threaded rod and the mounting bracket are rotatably connected via a bearing, a nut cylinder is threadedly connected to the outer side wall of the second threaded rod, and a pressure plate is welded to the lower surface of the nut cylinder.

[0010] As a further preferred embodiment of the present technical solution: two guide rods are symmetrically welded on the upper surface of the pressure plate, two guide holes are symmetrically opened on the upper surface of the mounting frame, and the outer side walls of the guide rods are slidably connected to the inner side walls of the guide holes.

[0011] As a further preferred embodiment of the technical solution: an anti-slip plate is welded to the upper surface of the guide rod.

[0012] As a further preferred embodiment of the present technical solution: an alignment line is provided in the middle of the upper surface of the operating table.

[0013] As a further preferred embodiment of the technical solution: legs are evenly welded on the lower surface of the operating table.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model starts the first motor to drive the first threaded rod to rotate. Under the limiting effect of the sliding rod, the nut plate moves up and down on the first threaded rod, so that the first electric cylinder is close to the position where a hole is to be punched. When the nut plate drives the lifting plate and the cross plate to adjust to a suitable height, the first electric cylinder is started to approach the plate, and then the second motor is started to drive the transverse milling cutter to rotate to complete the punching of the transverse lock hole. The two second electric cylinders are started to approach the two sides of the plate, and the third motor is started to drive the longitudinal milling cutter to rotate to complete the punching of the longitudinal lock hole. When the thickness of the plate is different, the height of the lifting plate can be adjusted so that the transverse milling cutter and the longitudinal milling cutter can both move to a suitable height, and the lock hole punching work is accurately completed, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a structural schematic diagram of the first threaded rod and the nut plate in the utility model;

[0018] Figure 3 For the utility model Figure 2 A magnified schematic diagram of area A;

[0019] Figure 4 It is a structural schematic diagram of the second threaded rod and the pressing plate in the utility model.

[0020] In the figure: 1. operating table; 2. mounting plate; 3. fixing plate; 4. first motor; 5. first threaded rod; 6. nut plate; 7. lifting plate; 8. first electric cylinder; 9. second motor; 10. transverse milling cutter; 11. transverse plate; 12. second electric cylinder; 13. third motor; 14. longitudinal milling cutter; 15. sliding rod; 16. tray; 17. mounting frame; 18. fourth motor; 19. second threaded rod; 20. nut tube; 21. pressure plate; 22. guide rod; 23. guide hole; 24. anti-slip plate; 25. alignment line; 26. support leg. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] See also Figure 1-4The utility model provides a technical solution: a height-adjustable lock hole machine, comprising an operating table 1, characterized in that: a mounting plate 2 is welded on the left side of the upper surface of the operating table 1, and two fixing plates 3 are welded on the right surface of the mounting plate 2, a first motor 4 is installed on the upper surface of one of the fixing plates 3, a first threaded rod 5 is fixedly connected to the output shaft end of the first motor 4, the first threaded rod 5 and the fixing plate 3 are rotatably connected through a bearing, a nut plate 6 is threadedly connected to the outer wall of the first threaded rod 5, a lifting plate 7 is welded on the right surface of the nut plate 6, a first electric cylinder 8 is fixedly connected to the middle of the right surface of the lifting plate 7, one end of the piston rod of the first electric cylinder 8 is fixedly connected to the second motor 9, a transverse milling cutter 10 is fixedly connected to the output shaft end of the second motor 9, and the lifting plate 7 is fixedly connected to the lifting plate 7. Two transverse plates 11 are symmetrically welded on the right surface, and the two adjacent sides of the transverse plates 11 are fixedly connected with a second electric cylinder 12, one end of the piston rod of the second electric cylinder 12 is fixedly connected with a third motor 13, and the output shaft end of the third motor 13 is fixedly connected with a longitudinal milling cutter 14; start the first motor 4 to drive the first threaded rod 5 to rotate, so that the nut plate 6 moves up and down on the first threaded rod 5, so that the first electric cylinder 8 is close to the position where the hole is to be punched. When the nut plate 6 drives the lifting plate 7 and the transverse plate 11 to adjust to a suitable height, start the first electric cylinder 8 to approach the plate, and then start the second motor 9 to drive the transverse milling cutter 10 to rotate to complete the punching of the transverse lock hole, start the two second electric cylinders 12 to approach the two sides of the plate, start the third motor 13 to drive the longitudinal milling cutter 14 to rotate, and complete the punching of the longitudinal lock hole.

[0024] In this embodiment, specifically: two sliding rods 15 are fixedly connected between the two fixed plates 3, and the outer side walls of the sliding rods 15 are slidably connected to the nut plates 6; so that the nut plates 6 do not rotate with the rotation of the first threaded rod 5, but keep moving in the direction of the sliding rods 15.

[0025] In this embodiment, specifically: a tray 16 is fixedly connected to the right side of the upper surface of the operating table 1 to facilitate placement of plates to be punched with keyholes.

[0026] In this embodiment, specifically: a mounting bracket 17 is welded to the right side of the upper surface of the operating table 1, and a fourth motor 18 is installed on the upper surface of the mounting bracket 17. The output shaft end of the fourth motor 18 is fixedly connected to a second threaded rod 19, and the second threaded rod 19 is rotatably connected to the mounting bracket 17 through a bearing. The outer wall of the second threaded rod 19 is threadedly connected to a nut tube 20, and a pressure plate 21 is welded to the lower surface of the nut tube 20; starting the fourth motor 18 drives the second threaded rod 19 to rotate, and the nut tube 20 drives the pressure plate 21 to move downward, which is used to press the plate to prevent the plate from shifting during the grinding process.

[0027] In this embodiment, specifically: two guide rods 22 are symmetrically welded on the upper surface of the pressure plate 21, and two guide holes 23 are symmetrically opened on the upper surface of the mounting frame 17, and the outer wall of the guide rod 22 is slidably connected with the inner wall of the guide hole 23; so that the nut tube 20 does not rotate with the rotation of the threaded rod 19, but keeps moving in the direction of the guide rod 22.

[0028] In this embodiment, specifically: an anti-slip plate 24 is welded on the upper surface of the guide rod 22 to prevent the guide rod 22 from slipping out of the guide hole 23 .

[0029] In this embodiment, specifically: an alignment line 25 is provided in the middle of the upper surface of the operating table 1 for aligning the position of the plate.

[0030] In this embodiment, specifically: the lower surface of the operating table 1 is evenly welded with supporting legs 26 for supporting the operating table 1 .

[0031] The working principle of the utility model is as follows: start the first motor 4 to drive the first threaded rod 5 to rotate, and under the limiting effect of the sliding rod 15, the nut plate 6 moves up and down on the first threaded rod 5, so that the first electric cylinder 8 is close to the position where a hole is to be punched. When the nut plate 6 drives the lifting plate 7 and the cross plate 11 to adjust to a suitable height, start the first electric cylinder 8 to approach the plate, and then start the second motor 9 to drive the transverse milling cutter 10 to rotate to complete the punching of the transverse lock hole, start the two second electric cylinders 12 to approach the two sides of the plate, start the third motor 13 to drive the longitudinal milling cutter 14 to rotate to complete the punching of the longitudinal lock hole, thereby forming a height-adjustable lock hole machine. When the thickness of the plate is different, the height of the lifting plate 7 can be adjusted so that the transverse milling cutter 10 and the longitudinal milling cutter 14 can both move to a suitable height, accurately complete the work of punching the lock hole, and the practicality is stronger.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A height-adjustable keyhole machine, comprising an operating table (1), characterized in that: A mounting plate (2) is welded to the left side of the upper surface of the operating table (1), and two fixing plates (3) are welded to the right surface of the mounting plate (2), a first motor (4) is mounted on the upper surface of one of the fixing plates (3), a first threaded rod (5) is fixedly connected to the output shaft end of the first motor (4), the first threaded rod (5) and the fixing plate (3) are rotatably connected via a bearing, a nut plate (6) is threadedly connected to the outer wall of the first threaded rod (5), a lifting plate (7) is welded to the right surface of the nut plate (6), and the right side of the lifting plate (7) is fixedly connected to the output shaft end of the first motor (4). A first electric cylinder (8) is fixedly connected in the middle of the surface, one end of the piston rod of the first electric cylinder (8) is fixedly connected to a second motor (9), and the output shaft end of the second motor (9) is fixedly connected to a transverse milling cutter (10). Two transverse plates (11) are symmetrically welded on the right surface of the lifting plate (7), and the two transverse plates (11) are fixedly connected on the adjacent sides thereof with a second electric cylinder (12), one end of the piston rod of the second electric cylinder (12) is fixedly connected to a third motor (13), and the output shaft end of the third motor (13) is fixedly connected to a longitudinal milling cutter (14).

2. The height-adjustable keyhole machine according to claim 1, characterized in that: Two sliding rods (15) are fixedly connected between the two fixing plates (3), and the outer side walls of the sliding rods (15) are slidably connected to the nut plates (6).

3. The height-adjustable keyhole machine according to claim 2, characterized in that: A tray (16) is fixedly connected to the right side of the upper surface of the operating table (1).

4. The height-adjustable keyhole machine according to claim 2, characterized in that: A mounting frame (17) is welded to the right side of the upper surface of the operating table (1), a fourth motor (18) is mounted on the upper surface of the mounting frame (17), a second threaded rod (19) is fixedly connected to the output shaft end of the fourth motor (18), the second threaded rod (19) and the mounting frame (17) are rotatably connected via a bearing, a nut tube (20) is threadedly connected to the outer wall of the second threaded rod (19), and a pressure plate (21) is welded to the lower surface of the nut tube (20).

5. The height-adjustable keyhole machine according to claim 4, characterized in that: Two guide rods (22) are symmetrically welded on the upper surface of the pressure plate (21), and two guide holes (23) are symmetrically opened on the upper surface of the mounting frame (17), and the outer side walls of the guide rods (22) are slidably connected to the inner side walls of the guide holes (23).

6. The height-adjustable keyhole machine according to claim 5, characterized in that: An anti-slip plate (24) is welded to the upper surface of the guide rod (22).

7. The height-adjustable keyhole machine according to claim 6, characterized in that: An alignment line (25) is provided in the middle of the upper surface of the operating table (1).

8. The height-adjustable keyhole machine according to claim 6, characterized in that: The lower surface of the operating table (1) is evenly welded with supporting legs (26).

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