Wood cutting machine with tool bit convenient to replace

Abstract

The utility model provides a wood cutting machine with a cutter head convenient to replace, and relates to the field of wood cutting machines, the wood cutting machine comprises a base, limiting grooves are formed in the tops of the two sides of the base, a powerful motor body is arranged on one side of the base, and an output shaft of the powerful motor body is fixedly connected with a right-hand and left-hand threaded rod through a coupler; the outer wall of the positive and negative threaded rod is sleeved with two threaded sleeves, the top ends of the threaded sleeves penetrate through the limiting grooves, limiting frames are installed at the tops of the threaded sleeves, threaded grooves are formed in the tops of the limiting frames, and vertical threaded rods penetrate through the inner walls of the threaded grooves. According to the wood cutting machine, the powerful motor body, the positive and negative threaded rod, the threaded sleeve, the limiting frame, the vertical threaded rod, the threaded groove, the clamping plate, the bolt and the threaded hole are arranged, wood needing to be cut subsequently can be fixed conveniently, the pull rod, the sliding plate, the sliding groove, the spring, the clamping rod and the clamping groove are arranged, the tool bit can be detached and replaced conveniently, and the tool bit of the wood cutting machine can be replaced conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of wood cutting machines, in particular to a wood cutting machine which is convenient for replacing a cutter head. Background Art

[0002] The purpose of a wood cutting machine is to cut wood. It can cut a whole piece of wood into the required size and shape for subsequent processing. The woodworking cutting machine is equipped with a cutter head that can cut wood. After the cutter head of the wood cutting machine has been used for a period of time, the cutter head needs to be replaced.

[0003] For example, application No. 202121896092.8 discloses "a wood cutting saw blade that is easy to replace" and specifically discloses: it includes an active load-bearing ring, the outer wall of the active load-bearing ring is movably plugged with a damage replacement mechanism, the outer surface of the active load-bearing ring is provided with a connecting mechanism, the coated wood cutting saw blade will be welded in the ring groove and the connecting ring will be separated from the inside of the ring groove after desoldering and cleaning, so that the alloy support plate loses its fixation inside the triangular slot, and the alloy support plate is further pulled out of the triangular slot, and the bad and old saw teeth on the alloy support plate are processed and replaced with new ones, and then the alloy support plate and the connecting ring are connected to the active load-bearing ring by the above method, and then cutting and workmanship are performed. Under the above conditions, the welding treatment method is relatively direct and the cost caused by replacing all structures is relatively small. However, in the above technology, the wood cutting saw blade adopts a welding treatment method during the replacement process, but the welding treatment makes the saw blade easy to crack, and the replacement is more complicated, so the replacement effect is not good. Therefore, the utility model proposes a wood cutting machine that is easy to replace the blade head to solve the problems existing in the prior art. Utility Model Content

[0004] In view of the above problems, the utility model proposes a wood cutting machine with easy replacement of the cutter head. The wood cutting machine with easy replacement of the cutter head is convenient to fix the wood that needs to be cut later by setting a powerful motor body, positive and negative threaded rods, threaded sleeves, limit frames, vertical threaded rods, threaded grooves, clamping plates, bolts and threaded holes. Pull rods, slide plates, slide grooves, springs, clamping rods and clamping grooves are provided to facilitate disassembly and replacement of the cutter head, so that the wood cutting machine can easily replace the cutter head.

[0005] To achieve the purpose of the utility model, the utility model is implemented by the following technical solutions: a wood cutting machine that is easy to replace a cutter head, including a base, the tops of both sides of the base are provided with limit slots, one side of the base is provided with a powerful motor body, the output shaft of the powerful motor body is fixedly connected with a positive and negative threaded rod through a coupling, the outer wall of the positive and negative threaded rod is provided with two threaded sleeves, the top of the threaded sleeve passes through the limit slot and the top is installed with a limit frame, the top of the limit frame is provided with a threaded groove, the inner wall of the threaded groove passes through a vertical threaded rod, the front of the vertical threaded rod is provided with a plurality of threaded holes, the inner wall of the threaded hole is provided with bolts, the bottom of the vertical threaded rod is installed with a clamping plate, the top of one side of the base is provided with a support frame, the top of the support frame is provided with two telescopic cylinder bodies, the output end of the telescopic cylinder body is fixedly connected with a fixed shell, one side of the fixed shell is provided with a rotating motor body, the output shaft of the rotating motor body is fixedly connected with a rotating shaft through a coupling, one end of the rotating shaft passes through the fixed shell and a turntable is installed on one side, and the other side of the turntable is provided with a cutter head body.

[0006] Two slots are provided on the inner walls on both sides of the cutter head body, a fixed cylinder is provided on one side of the turntable, a sliding groove is provided on the inner wall of the fixed cylinder, a slide plate is provided on the inner wall of the sliding groove, a clamping rod is provided on one side of the slide plate and one end passes through the slot, a pull rod is provided on the other side of the slide plate and one end passes through the fixed cylinder, and a spring is provided on the outer wall of the pull rod.

[0007] A further improvement is that: the forward and reverse threaded rods and the threaded sleeve are threadedly connected, and the threaded sleeve and the limiting groove are movably connected.

[0008] A further improvement is that the vertical threaded rod and the threaded groove are threadedly connected, and the vertical threaded rod and the threaded hole are integrated.

[0009] A further improvement is that the fixed shell is driven by the telescopic cylinder body, and the fixed shell is arranged between the two limit frames.

[0010] A further improvement is that: the number of the turntables is two, and the two turntables are detachably connected to the cutter head body.

[0011] A further improvement is that the slide groove and the slide plate are in sliding connection, and the slide plate and the clamping rod and the pull rod are in fixed connection.

[0012] A further improvement is that the center axis of the clamping rod coincides with the center axis of the clamping slot, and the clamping slot and the cutter head body are integrated.

[0013] The beneficial effects of the utility model are as follows: the utility model is convenient for fixing the wood that needs to be cut later by arranging a powerful motor body, positive and negative threaded rods, threaded sleeves, limit frames, vertical threaded rods, threaded grooves, clamping plates, bolts and threaded holes, and is convenient for disassembly and replacement of the cutter head by arranging pull rods, slide plates, slide grooves, springs, clamping rods and clamping grooves, so that the cutter head of the wood cutting machine can be easily replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0015] Figure 2 This is a side view structural diagram of the limit frame of the utility model;

[0016] Figure 3 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the turntable of the utility model;

[0018] Figure 5 For this utility model Figure 1 Enlarged view of point A in the middle.

[0019] In the figure: 1. base; 2. limit groove; 3. powerful motor body; 4. positive and negative threaded rod; 5. threaded sleeve; 6. limit frame; 7. threaded groove; 8. vertical threaded rod; 9. threaded hole; 10. bolt; 11. clamping plate; 12. support frame; 13. telescopic cylinder body; 14. fixed shell; 15. rotating motor body; 16. rotating shaft; 17. turntable; 18. cutter head body; 19. slot; 20. fixed cylinder; 21. slide groove; 22. slide plate; 23. clamping rod; 24. pull rod; 25. spring. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0021] according to Figure 1-5As shown, this embodiment proposes a wood cutting machine that is easy to replace the blade head, including a base 1, and the tops of both sides of the base 1 are provided with limiting grooves 2. A powerful motor body 3 is arranged on one side of the base 1. The output shaft of the powerful motor body 3 is fixedly connected with a positive and negative threaded rod 4 through a coupling. The outer wall of the positive and negative threaded rod 4 is sleeved with two threaded sleeves 5. The top of the threaded sleeve 5 passes through the limiting groove 2 and a limiting frame 6 is installed on the top. A threaded groove 7 is arranged on the top of the limiting frame 6. A vertical threaded rod 8 is penetrated through the inner wall of the threaded groove 7. A plurality of threaded holes 9 are arranged on the front of the vertical threaded rod 8. A bolt 10 is provided on the inner wall of the threaded hole 9, a clamping plate 11 is installed at the bottom of the vertical threaded rod 8, a support frame 12 is installed on the top of one side of the base 1, and two telescopic cylinder bodies 13 are provided on the top of the support frame 12. The output end of the telescopic cylinder body 13 is fixedly connected with a fixed shell 14, and a rotating motor body 15 is provided on one side of the fixed shell 14. The output shaft of the rotating motor body 15 is fixedly connected with a rotating shaft 16 through a coupling, one end of the rotating shaft 16 passes through the fixed shell 14 and a turntable 17 is installed on one side, and a cutter head body 18 is provided on the other side of the turntable 17.

[0022] Two card slots 19 are provided on the inner walls of both sides of the cutter head body 18, a fixed cylinder 20 is provided on one side of the turntable 17, a slide slot 21 is provided on the inner wall of the fixed cylinder 20, a slide plate 22 is provided on the inner wall of the slide slot 21, a card rod 23 is provided on one side of the slide plate 22 and one end thereof passes through the card slot 19, a pull rod 24 is provided on the other side of the slide plate 22 and one end thereof passes through the fixed cylinder 20, a spring 25 is provided on the outer wall of the pull rod 24, when the device is in use, the staff cuts the length of the wood according to the need, starts the powerful motor body 3 through the external control panel, and makes the output of the powerful motor body 3 The shaft drives the positive and negative threaded rods 4 to rotate, so that the positive and negative threaded rods 4 drive the two threaded sleeves 5 to approach each other, so that the two threaded sleeves 5 drive the limit frames 6 to move to a suitable spacing through the corresponding limit grooves 2. Then, the staff manually places the wood to be cut on the two limit frames 6, and manually rotates the vertical threaded rods 8 counterclockwise in turn, so that the vertical threaded rods 8 rotate downward in the corresponding threaded grooves 7, so that the vertical threaded rods 8 drive the clamping plates 11 to move downward and fit on the wood, and then manually inserts each bolt 10 into the corresponding threaded hole 9, so that each vertical threaded rod 8 is fixed on the limit frame 6, thereby fixing the wood to be cut later, starting each telescopic cylinder body 13 and the rotating motor body 15 through the external control panel, so that each telescopic cylinder body 13 drives the cutter head body 18 in the fixed shell 14 to move downward, and at the same time cooperates with the output shaft of the rotating motor body 15 to drive the turntable 17 connected to the rotating shaft 16 to rotate, so that the turntable 17 drives the connected cutter head body 18 to rotate to cut the wood. When the cutter head needs to be replaced, the staff manually pulls the pull rod 24 outward in turn, so that each pull rod 24 drives the slide plate 22 in the corresponding slide groove 21 The slide plate 22 slides from the inside to the outside, and the spring 25 is squeezed during the movement of the slide plate 22, so that the slide plate 22 drives the clamping rod 23 to disengage from the corresponding clamping groove 19, so that the cutter head body 18 is pulled downward, so that the cutter head is disassembled, and the cutter head body 18 to be replaced is inserted between the two turntables 17, and the pulled pull rods 24 are loosened, so that the rebound force of each spring 25 drives the clamping rod 23 to move, so that each clamping rod 23 is inserted into the corresponding clamping groove 19, so that the cutter head body 18 is fixedly installed between the two turntables 17, which is convenient for disassembly and replacement of the cutter head, and the wood cutting machine is easy to replace the cutter head.

[0023] The forward and reverse threaded rods 4 and the threaded sleeves 5 are threadedly connected, and the threaded sleeves 5 and the limiting grooves 2 are movably connected. The output shaft of the powerful motor body 3 drives the forward and reverse threaded rods 4 to rotate, so that the forward and reverse threaded rods 4 drive the two threaded sleeves 5 to approach each other.

[0024] The vertical threaded rod 8 and the threaded groove 7 are threadedly connected, and the vertical threaded rod 8 and the threaded hole 9 are integrated. The two threaded sleeves 5 are driven to approach each other through the positive and negative threaded rods 4, so that the two threaded sleeves 5 drive the limit frame 6 to move to an appropriate spacing through the corresponding limit grooves 2.

[0025] The fixed shell 14 is driven by the telescopic cylinder body 13 . The fixed shell 14 is arranged between the two limit frames 6 . The cutter head body 18 in the fixed shell 14 is driven to move downward by each telescopic cylinder body 13 .

[0026] There are two turntables 17 , and the two turntables 17 are connected to the cutter head body 18 for disassembly. The slide plate 22 drives the clamping rod 23 to disengage from the corresponding clamping slot 19 , so that the cutter head body 18 is pulled downward, thereby disassembling the cutter head.

[0027] The slide groove 21 and the slide plate 22 are slidably connected, and the slide plate 22 and the clamping rod 23 and the pull rod 24 are fixedly connected. The staff manually pulls the pull rods 24 outward in sequence, so that each pull rod 24 drives the slide plate 22 to slide outward in the corresponding slide groove 21.

[0028] The center axis of the clamping rod 23 coincides with the center axis of the clamping slot 19 . The clamping slot 19 and the cutter head body 18 are integrated. The spring 25 is compressed during the movement of the slide plate 22 , so that the slide plate 22 drives the clamping rod 23 to disengage from the corresponding clamping slot 19 .

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0030] When the wood cutting machine with easy replacement of the blade head is in use, the staff cuts the wood to the length according to the needs, starts the powerful motor body 3 through the external control panel, so that the output shaft of the powerful motor body 3 drives the positive and negative threaded rods 4 to rotate, so that the positive and negative threaded rods 4 drive the two threaded sleeves 5 to approach each other, and the two threaded sleeves 5 drive the limit frame 6 to move to a suitable spacing through the corresponding limit grooves 2. Then, the staff manually places the wood to be cut on the two limit frames 6, manually rotates the vertical threaded rod 8 counterclockwise in turn, so that the vertical threaded rod 8 rotates downward in the corresponding threaded groove 7, so that the vertical threaded rod 8 drives the clamping plate 11 to move downward and fit on the wood, and then manually inserts each bolt 10 into the corresponding threaded hole 9, so that each vertical threaded rod 8 is fixed in the limit frame 6, so that the wood to be cut later is fixed, and each telescopic cylinder body 13 and the rotating motor body 15 are started through the external control panel, so that each telescopic cylinder body 13 drives the fixed The cutter head body 18 in the fixed shell 14 moves downward, and at the same time, the output shaft of the rotating motor body 15 drives the turntable 17 connected to the rotating shaft 16 to rotate, so that the turntable 17 drives the connected cutter head body 18 to rotate to cut the wood. When the cutter head needs to be replaced, the staff manually pulls the pull rods 24 outward in turn, so that each pull rod 24 drives the slide plate 22 to slide outward in the corresponding slide groove 21, and squeezes the spring 25 during the movement of the slide plate 22, so that the slide plate 22 drives the clamping rod 23 to disengage from the corresponding clamping groove 19, so that the cutter head body 18 is pulled downward, so that the cutter head is disassembled, and the cutter head body 18 to be replaced is inserted into the middle of the two turntables 17, and the pulled pull rods 24 are loosened, so that the rebound force of each spring 25 drives the clamping rod 23 to move, so that each clamping rod 23 is inserted into the corresponding clamping groove 19, so that the cutter head body 18 is fixedly installed in the middle of the two turntables 17, which is convenient for disassembly and replacement of the cutter head, so that the wood cutting machine is easy to replace the cutter head.

[0031] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A wood cutting machine that is easy to replace the cutter head, characterized in that: The invention comprises a base (1), wherein the tops of both sides of the base (1) are provided with limit grooves (2), a powerful motor body (3) is arranged on one side of the base (1), the output shaft of the powerful motor body (3) is fixedly connected to a positive and negative threaded rod (4) through a coupling, the outer wall of the positive and negative threaded rod (4) is sleeved with two threaded sleeves (5), the top of the threaded sleeve (5) passes through the limit groove (2) and a limit frame (6) is installed on the top, the top of the limit frame (6) is provided with a threaded groove (7), the inner wall of the threaded groove (7) is penetrated by a vertical threaded rod (8), the front of the vertical threaded rod (8) is provided with a plurality of threaded holes (9), and the inner wall of the threaded hole (9) is provided with Bolt (10), a clamping plate (11) is installed at the bottom of the vertical threaded rod (8), a support frame (12) is installed at the top of one side of the base (1), two telescopic cylinder bodies (13) are arranged on the top of the support frame (12), the output end of the telescopic cylinder body (13) is fixedly connected to a fixed shell (14), one side of the fixed shell (14) is provided with a rotating motor body (15), the output shaft of the rotating motor body (15) is fixedly connected to a rotating shaft (16) through a coupling, one end of the rotating shaft (16) passes through the fixed shell (14) and a rotating disk (17) is installed on one side, and a cutter head body (18) is arranged on the other side of the rotating disk (17); Two slots (19) are provided on the inner walls on both sides of the cutter head body (18); a fixed cylinder (20) is provided on one side of the turntable (17); a sliding groove (21) is provided on the inner wall of the fixed cylinder (20); a slide plate (22) is provided on the inner wall of the sliding groove (21); a clamping rod (23) is provided on one side of the slide plate (22) and one end thereof passes through the slot (19); a pull rod (24) is provided on the other side of the slide plate (22) and one end thereof passes through the fixed cylinder (20); and a spring (25) is sleeved on the outer wall of the pull rod (24).

2. A wood cutting machine with easy replacement of cutter heads according to claim 1, characterized in that: The forward and reverse threaded rod (4) and the threaded sleeve (5) are threadedly connected, and the threaded sleeve (5) and the limiting groove (2) are movably connected.

3. A wood cutting machine with easy replacement of cutter heads according to claim 1, characterized in that: The vertical threaded rod (8) and the threaded groove (7) are threadedly connected, and the vertical threaded rod (8) and the threaded hole (9) are integrally arranged.

4. A wood cutting machine with easy replacement of cutter heads according to claim 1, characterized in that: The fixed shell (14) is driven by the telescopic cylinder body (13), and the fixed shell (14) is arranged between two limiting frames (6).

5. A wood cutting machine with easy replacement of cutter heads according to claim 1, characterized in that: There are two rotating disks (17), and the two rotating disks (17) are detachably connected to the cutter head body (18).

6. A wood cutting machine with easy-to-replace cutter head according to claim 1, characterized in that: The sliding groove (21) and the sliding plate (22) are slidably connected, and the sliding plate (22) and the clamping rod (23) and the pulling rod (24) are fixedly connected.

7. A wood cutting machine with easy-to-replace cutter head according to claim 1, characterized in that: The clamping rod (23) coincides with the central axis of the clamping slot (19), and the clamping slot (19) and the cutter head body (18) are integrally arranged.

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