Firewood chopper safe to operate

Abstract

The utility model provides a firewood chopper safe to operate, which is characterized in that a rack is provided with a saw disc driven by a driving device to rotate, the top of the rack is provided with a sliding operation table, one side of the operation table far away from the saw disc is provided with a baffle, the baffle is used for wood to abut against, and the operation table is further provided with a fixing mechanism used for fixing the wood. The operation table slides to feed towards the sawing disc, and the sawing disc rotates to cut wood. The problems that wood of different sizes cannot be fixed by a firewood chopper, and potential safety hazards exist in the operation process are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to timber cutting equipment field especially operation safe's chopping machine. BACKGROUND

[0002] Chopping machine is a kind of mechanical equipment for processing timber, cutting firewood, belongs to woodworking tool in electric tool category, it is usually used to cut timber from tree trunk, is applicable to forest felling, timber processing and construction site etc.

[0003] At present, the chopping machine used in most timber processing plants is mostly cut by saw disc rotation or saw blade, or manually cut, generally no device is set to fix timber in the operation process, when timber contacts saw blade, the reaction force when saw blade contacts timber will make timber bounce, if timber is fixed by manual holding, because of lacking safety protection device, operator's fingers are always exposed under saw blade, there is security risk, and some devices with timber fixing device cannot adapt to different timber shapes and sizes, thereby reducing the adaptability of the device, thus a kind of operation safe chopping device needs to be designed. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of operation safe chopping machine, solve the problem that chopping machine cannot fix different size timber and there is security risk in operation process.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is: a kind of operation safe chopping machine, the saw disc driven by driving device is arranged on the rack, the sliding operation table is arranged on the top of the rack, the baffle is arranged on the side of the operation table away from the saw disc, the baffle is used for wood to abut, and the fixing mechanism for fixing timber is further arranged on the operation table.

[0006] In preferred scheme, at least two longitudinal rails are arranged on the top of the rack, the length direction of longitudinal rail is parallel to the surface of saw disc, the lower surface of operation table is slidably connected with longitudinal rail through sliding block, and operation table is fed to the direction of saw disc by L-shaped handle.

[0007] In preferred scheme, the structure of fixing mechanism is as follows: the upper end of baffle is rotatably connected with one end of first connecting rod, the middle part of first hook rod is rotatably connected with the other end of first connecting rod, the hook part of first hook rod extends into the inner side of baffle, the other end is rotatably connected with the upper end of lock block, the rear side of baffle is provided with L-shaped handle, the lock block is slidably connected with L-shaped handle, the butterfly bolt is arranged on one side of lock block, and the lower end of butterfly bolt passes through lock block and abuts against the outer wall of L-shaped handle.

[0008] In the preferred solution, at least one second hook rod is arranged on both sides of the first hook rod, the middle of the second hook rod is rotatably connected with one end of the second connecting rod, and is connected with the middle of the first hook rod through the first connecting pin, the other end is connected with the rear end of the first hook rod through the second connecting pin, the other end of the second connecting rod is rotatably connected with the upper end of the baffle, and the states of the first hook rod and the second hook rod are synchronous.

[0009] In the preferred solution, the inside of the hook-shaped part of the front end of the first hook rod and the second hook rod is provided with a toothed structure.

[0010] In the preferred solution, the baffle comprises a plurality of abutting mechanisms, the top of each abutting mechanism is provided with a semicircular support structure, each abutting mechanism slides along the sliding direction of the operation table through a sliding groove, a plurality of transverse branch grooves are vertically arranged on one side of the sliding groove, and the abutting mechanism slides into the branch groove to be fixed, thereby providing support and abutment for irregularly shaped wood.

[0011] In the preferred solution, the structure of the driving device is that a motor below the operation table is connected with the rack through a motor base, the output shaft of the motor is provided with a first belt pulley, two support racks are further arranged in parallel below the longitudinal guide rail, two bearing seats are symmetrically arranged on the support racks, one end of the rotating shaft penetrates through one side bearing seat, the other end penetrates through a second belt pulley, and then penetrates through the other side bearing seat and is connected with the saw disc, and the motor drives the saw disc to rotate through the belt.

[0012] In the preferred solution, the structure of the motor base is that two longitudinal supports are symmetrically arranged, the motor platform is slidably connected with the two longitudinal supports on both sides, one end of the third connecting rod is rotatably connected with the front end of the motor platform, the other end is rotatably connected with the middle of the handle, one end of the handle is rotatably connected with one longitudinal support, the front end of the other longitudinal support is provided with a plurality of gear grooves, and the other end of the handle abuts against the gear grooves.

[0013] A plurality of positioning grooves are symmetrically arranged on the upper surface of the motor platform, and the motor is fixed on the motor platform through bolts.

[0014] In the preferred solution, an L-shaped scale is further arranged behind the saw disc, the horizontal rod of the L-shaped scale is slidably connected with the support rack through two buckling plates, the vertical rod of the L-shaped scale penetrates out of the rack and extends to the upper surface of the operation table, and the lower end of the locking bolt penetrates through the buckling plate and abuts against the L-shaped scale.

[0015] In the preferred solution, a Z-shaped chip baffle is further arranged on the side of the saw disc of the rack, the upper end of the Z-shaped chip baffle is arranged on the inner side of the saw disc, the other end extends to the outer side of the rack through an inclined surface, and a pad is further arranged below the support leg of the rack.

[0016] The utility model provides a kind of operation safe's wood chopping machine, the saw disc driven by driving device is equipped on rack, timber is set on operation table, and it is clamped between fixed mechanism and baffle, first hook rod is pressed down by driving lock block, butterfly bolt locking fixed position, the wood to be processed is clamped by relative first hook rod and abutting mechanism, L-shaped handle is pushed to make operation table slide to saw disc direction, motor drives saw disc rotation and cuts timber, motor is adjusted transmission belt tensioning by sliding motor base, and handle is fixed in corresponding gear slot by being actuated.Solve the problem that wood chopping machine cannot fix different size timber, and there is security risk in operation process. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further described below in connection with drawings and examples:

[0018] Figure 1 It is the overall appearance of the utility model axial structure diagram;

[0019] Figure 2 It is the cutting transmission mechanism axial structure diagram of the utility model;

[0020] Figure 3 It is the cutting transmission mechanism side structure diagram of the utility model;

[0021] Figure 4 It is the cutting transmission mechanism main structure diagram of the utility model;

[0022] Figure 5 It is the fixed mechanism axial structure diagram of the utility model;

[0023] Figure 6 It is the fixed mechanism section structure diagram of the utility model;

[0024] Figure 7 It is the abutting mechanism structure diagram of the utility model;

[0025] Figure 8 It is the motor base and motor connection axial structure diagram of the utility model;

[0026] Figure 9 It is the motor base overhead structure diagram of the utility model;

[0027] Figure 10 It is the L-shaped ruler installation axial structure diagram of the utility model;

[0028] Figure 11 It is the chip removal plate section structure diagram of the utility model.

[0029] In the figure: frame 1; support frame 101; chip guard plate 102; pad 103; longitudinal guide rail 2; operating table 3; baffle 301; abutment mechanism 302; slide groove 303; slider 4; fixing mechanism 5; L-shaped handle 501; first connecting rod 502; first hook rod 503; locking block 504; butterfly bolt 505; second hook rod 506; second connecting rod 507; first serial pin 508; second serial pin 509; motor 6; motor seat 7; longitudinal bracket 701; motor platform 702; third connecting rod 703; handle 704; gear slot 705; positioning slot 706; saw disk 8; rotating shaft 9; second pulley 10; first pulley 11; belt 12; bearing seat 13; L-shaped scale 14; buckle plate 15; locking bolt 16. DETAILED DESCRIPTION

[0030] Example 1

[0031] like Figures 1-11 As shown, a wood chopping machine with safe operation is provided. A saw disc 8 driven to rotate by a driving device is provided on a frame 1, a sliding operating table 3 is provided on the top of the frame 1, and a baffle 301 is provided on the side of the operating table 3 away from the saw disc 8. The baffle 301 is used for wood to abut against. A fixing mechanism 5 for fixing the wood is also provided on the operating table 3.

[0032] In the preferred embodiment, at least two longitudinal guide rails 2 are provided on the top of the frame 1. The longitudinal guide rails 2 are parallel to the surface of the saw disc 8 in their length direction. The lower surface of the operating table 3 is slidably connected to the longitudinal guide rails 2 via a slider 4. The operating table 3 is pushed toward the saw disc 8 by an L-shaped handle 501. The operating table 3 is pushed forward by the rear end L-shaped handle 501, so that the operator's hands are kept away from the saw disc 8 to prevent injury due to mistakes.

[0033] In the preferred embodiment, the fixing mechanism 5 is structured as follows: the upper end of the baffle 301 is rotatably connected to one end of the first connecting rod 502, the middle portion of the first hook rod 503 is rotatably connected to the other end of the first connecting rod 502, the hook portion of the first hook rod 503 extending into the inner side of the baffle 301, the other end of the first hook rod 503 being rotatably connected to the upper end of the locking block 504. An L-shaped handle 501 is provided on the rear side of the baffle 301, and the locking block 504 is slidably connected to the L-shaped handle 501. A butterfly bolt 505 is provided on one side of the locking block 504, the lower end of the butterfly bolt 505 passing through the locking block 504 and resting against the outer wall of the L-shaped handle 501. Pulling the locking block 504 controls the opening and closing of the first hook rod 503 to accommodate wood of different sizes and shapes, and the butterfly bolt 505 quickly locks the clamping position.

[0034] In the preferred embodiment, the first hook rod 503 is provided with at least one second hook rod 506 on both sides, the middle of the second hook rod 506 is rotatably connected with one end of the second connecting rod 507, and is connected with the middle of the first hook rod 503 through the first series connection pin 508, the other end is connected with the rear end of the first hook rod 503 through the second series connection pin 509, the other end of the second connecting rod 507 is rotatably connected with the upper end of the baffle 301, and the first hook rod 503 and the second hook rod 506 are in a synchronous state. When the length of the wood to be cut is short and cannot be clamped by the middle first hook rod 503, the second hook rod 506 can be clamped through state linkage, so that the device has a larger length processing range.

[0035] In the preferred embodiment, the inside of the hook-shaped part of the front end of the first hook rod 503 and the second hook rod 506 is provided with a toothed structure. The surface of the processed wood is clamped to prevent rolling due to the reaction force of the saw disc during cutting.

[0036] In the preferred embodiment, the baffle 301 includes a plurality of abutting mechanisms 302, the top of the abutting mechanism 302 is provided with a semicircular support structure, each abutting mechanism 302 slides along the sliding direction of the operation table 3 through the sliding groove 303, a plurality of transverse branch grooves are vertically arranged on one side of the sliding groove 303, the abutting mechanism 302 slides into the branch groove and is fixed, and the abutting mechanism 302 is used to provide support and abutment for irregularly shaped wood. By adjusting the position of the abutting mechanism 302, the central axis of the irregular wood is adjusted to be substantially perpendicular to the disc surface of the saw disc, facilitating cutting.

[0037] In the preferred embodiment, the structure of the driving device is that the motor 6 below the operation table 3 is connected with the rack 1 through the motor base 7, the output shaft of the motor 6 is provided with the first belt pulley 11, two support frames 101 are further arranged in parallel below the longitudinal guide rail 2, two bearing seats 13 are symmetrically arranged on the support frame 101, one end of the rotating shaft 9 passes through one side of the bearing seat 13, the other end passes through the second belt pulley 10, and then passes through the other side of the bearing seat 13 and is connected with the saw disc 8, and the motor 6 drives the saw disc 8 to rotate through the belt 12. The transmission belt pulley is arranged between the two bearing seats 13, the radial load of transmission is shared by the two ends, the rotating shaft is elongated to balance the self-weight and cutting load of the saw disc 8, the device is prevented from tilting, and the structural stability is enhanced.

[0038] In the preferred embodiment, the structure of the motor base 7 is that two longitudinal supports 701 are symmetrically arranged, the motor platform 702 is slidably connected with the two longitudinal supports 701 on both sides, one end of the third connecting rod 703 is rotatably connected with the front end of the motor platform 702, the other end is rotatably connected with the middle of the handle 704, one end of the handle 704 is rotatably connected with one of the longitudinal supports 701, the front end of the other longitudinal support 701 is provided with a plurality of gear grooves 705, and the other end of the handle 704 abuts against the gear grooves 705.

[0039] The motor platform 702 is symmetrically provided with a plurality of positioning grooves 706 on the upper surface, and the motor 6 is fixed on the motor platform 702 through bolts.

[0040] The motor base 7 is moved through the connecting rod mechanism to adjust the tension of the belt 12, so as to ensure the stability of the transmission system, and the plurality of positioning grooves 706 enable the motor platform 702 to be connected with motors of different models and sizes.

[0041] In the preferred embodiment, the saw disc 8 is further provided with an L-shaped ruler 14, the horizontal rod of the L-shaped ruler 14 is slidably connected with the support frame 101 through two buckling plates 15, the vertical rod of the L-shaped ruler 14 extends out of the rack 1 and extends above the upper surface of the operation table 3, and the lower end of the locking bolt 16 extends through the buckling plate 15 and abuts against the L-shaped ruler 14. The vertical rod of the L-shaped ruler 14 is adjusted to extend to a target length, and is fixed through the locking bolt 16. One end of the wood to be processed abuts against the vertical rod of the L-shaped ruler 14, so that the wood of the target length can be processed.

[0042] In the preferred embodiment, the side of the rack 1 where the saw disc 8 is located is further provided with a Z-shaped chip stopping plate 102, the upper end of the Z-shaped chip stopping plate 102 is arranged on the inner side of the saw disc 8, the other end of the Z-shaped chip stopping plate 102 extends to the outer side of the rack 1 through an inclined surface, and the rack 1 is further provided with a pad 103 below the supporting leg. The cutting wood chips are prevented from entering the transmission device, so that the failure of the transmission device is prevented, the wood chips are prevented from flying, so that the operation field of view is not affected or the health of the operator is not harmed, and the pad 103 increases the friction between the rack 1 and the ground, so that the stability of the whole device in the processing process is improved.

[0043] In the application, the wood is arranged on the operation table 3 and abuts between the fixing mechanism 5 and the baffle 301. The locking block 504 is pushed to drive the first hook rod 503 to press downward. The butterfly bolt 505 is locked and fixed. The wood to be processed is clamped by the first hook rod 503 and the abutting mechanism 302 in opposite directions. The L-shaped handle 501 is pushed to make the operation table 3 slide in the direction of the saw disc 8. The motor 6 drives the saw disc 8 to rotate and cut the wood. The motor 6 adjusts the tension of the transmission belt through the sliding motor base 7. The handle 704 is adjusted to be fixed in the corresponding gear slot 705. The L-shaped ruler 14 can be selected. One end of the wood abuts against the vertical rod of the L-shaped ruler 14 to obtain the wood of the target length.

[0044] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limitations of the present application. The protection scope of the present application should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features recorded in the claims. That is, the equivalent replacement improvements within the scope also fall within the protection scope of the present application.

Claims

1. A safe felling machine, which comprises a frame (1) and a saw disc (8) rotating by a driving device, characterized in that: The top of the frame (1) is provided with a sliding operation table (3), and the side of the operation table (3) away from the saw disc (8) is provided with a baffle (301) for abutting wood, and the operation table (3) is further provided with a fixing mechanism (5) for fixing wood; The top of the frame (1) is provided with at least two longitudinal rails (2), the length direction of the longitudinal rails (2) is parallel to the surface of the saw disc (8), the lower surface of the operation table (3) is slidably connected with the longitudinal rails (2) through sliding blocks (4), and the operation table (3) is fed towards the saw disc (8) through an L-shaped handle (501). The structure of the fixing mechanism (5) is that the upper end of the baffle (301) is rotatably connected with one end of a first connecting rod (502), the middle part of a first hook rod (503) is rotatably connected with the other end of the first connecting rod (502), the hook part of the first hook rod (503) extends into the inner side of the baffle (301), the other end of the first hook rod (503) is rotatably connected with the upper end of a lock block (504), the rear side of the baffle (301) is provided with an L-shaped handle (501), the lock block (504) is slidably connected with the L-shaped handle (501), and the lock block (504) is provided with a butterfly bolt (505) on one side, and the lower end of the butterfly bolt (505) penetrates through the lock block (504) and abuts against the outer wall of the L-shaped handle (501).

2. The safe-to-operate log splitter of claim 1, wherein: The two sides of the first hook rod (503) are further provided with at least one second hook rod (506), the middle part of the second hook rod (506) is rotatably connected with one end of a second connecting rod (507), is connected with the middle part of the first hook rod (503) through a first series connection pin (508), the other end of the second hook rod (506) is connected with the rear end of the first hook rod (503) through a second series connection pin (509), the other end of the second connecting rod (507) is rotatably connected with the upper end of the baffle (301), and the first hook rod (503) and the second hook rod (506) are in a state of synchronization.

3. A safe-to-operate log splitter as set forth in claim 2, wherein: The inner side of the hook-shaped part of the front end of the first hook rod (503) and the second hook rod (506) is provided with a toothed structure.

4. The safe-to-operate log splitter of claim 1, wherein: The baffle (301) comprises a plurality of abutting mechanisms (302), the top of each abutting mechanism (302) is provided with a semicircular support structure, each abutting mechanism (302) slides along the sliding direction of the operation table (3) through a sliding groove (303), a plurality of transverse branch grooves are vertically arranged on one side of the sliding groove (303), the abutting mechanism (302) is fixed by sliding into the branch groove, and the abutting mechanism (302) is used for providing support and abutment for irregularly-shaped wood.

5. The safe-to-operate log splitter of claim 1, wherein: The structure of the driving device is that the lower motor (6) of the operation table (3) is connected with the frame (1) through a motor base (7), the output shaft of the motor (6) is provided with a first belt pulley (11), two support frames (101) are further arranged in parallel below the longitudinal rails (2), two bearing seats (13) are symmetrically arranged on the support frames (101), one end of a rotating shaft (9) penetrates through one side bearing seat (13), the other end penetrates through a second belt pulley (10), and then penetrates through the other side bearing seat (13) and is connected with the saw disc (8), and the motor (6) drives the saw disc (8) to rotate through a belt (12).

6. A safe-to-operate log splitter as set forth in claim 5, wherein: The structure of the motor base (7) is that two longitudinal supports (701) are symmetrically arranged, the motor platform (702) is slidably connected with the two longitudinal supports (701) at two sides, one end of the third connecting rod (703) is rotatably connected with the front end of the motor platform (702), the other end is rotatably connected with the middle part of the handle (704), one end of the handle (704) is rotatably connected with one longitudinal support (701), the front end of the other longitudinal support (701) is provided with a plurality of gear grooves (705), and the other end of the handle (704) is abutted in the gear groove (705); A plurality of positioning grooves (706) are symmetrically arranged on the upper surface of the motor platform (702), and the motor (6) is fixed on the motor platform (702) through bolts.

7. The safe-to-operate log splitter of claim 1, wherein: The saw disc (8) is further provided with an L-shaped scale (14) at the rear, the horizontal rod of the L-shaped scale (14) is slidably connected with the supporting frame (101) through two buckling plates (15), the vertical rod of the L-shaped scale (14) penetrates out of the rack (1) and extends to the upper surface of the operation table (3), and the lower end of the locking bolt (16) penetrates through the buckling plate (15) and abuts against the L-shaped scale (14).

8. The safe-to-operate log splitter of claim 1, wherein: The saw disc (8) side of the rack (1) is further provided with a Z-shaped chip stopping plate (102), the upper end of the Z-shaped chip stopping plate (102) is arranged on the inner side of the saw disc (8), the other end extends to the outer side of the rack (1) through an inclined surface, and the rack (1) supporting leg is further provided with a backing plate (103) below.

Images