A cutting device

Abstract

This invention discloses a cutting device belonging to the field of aluminum template technology. The device includes a workbench, a push table, a widened table surface, a stop, and a saw blade. The widened table surface includes a fixed frame, a baffle, two clamps, and two rotating support rods. A dovetail groove is provided along the left-right direction along the upper edge of the push table. A turning baffle is provided on the right side of the dovetail groove. The baffle is composed of a front baffle and a rear baffle, with the splicing surface of the front and rear baffles being an inclined surface from left to right and then backward. The rear baffle is rotatably mounted on a rear pivot, and its rear end has a left locking member that can move in its direction. Its front end has a locking tongue insertion hole. The left locking member is fixed in the dovetail groove and can be adjusted left-right within the dovetail groove. The front baffle can be adjusted forward-backward, and its rear end has an elastic locking tongue that cooperates with the rear baffle. Its front end has a control member for controlling the extension and retraction of the elastic locking tongue. The elastic locking tongue is inserted into the locking tongue insertion hole. A pressing structure that can be adjusted left-right is provided directly above the push table. It simultaneously achieves straight and oblique cuts, making it highly versatile.

Description

Technical Field

[0001] This invention belongs to the field of aluminum template technology, and specifically relates to a cutting device. Background Technology

[0002] Aluminum alloy formwork, also known as concrete engineering aluminum alloy formwork, can be composed of panels, ribs, main profiles, flat formwork, corner formwork, and early stripping devices. Aluminum alloy formwork can be assembled by cutting corresponding aluminum plates and then welding them together.

[0003] When cutting aluminum sheets, table saws and rotary saws can be used.

[0004] For example, patent application number CN201621356992.2 discloses a measuring mechanism for a push table saw, including a body and a rectangular push table slidably connected to the body. A saw blade is provided on one side of the push table, and a fixed frame is slidably connected to the other side of the push table relative to the saw blade. A sliding stop is fixed on the fixed frame, and one end of the sliding stop spans the upper surface of the push table. A stop block for abutting against the material is slidably connected to the sliding stop.

[0005] For example, patent application number CN201621311939.0 discloses a CNC sliding table saw, including a worktable, a push table, a stop, a motor, a main saw, and a secondary saw. The push table is slidably mounted on one side of the worktable, the stop is mounted on the other side of the worktable via a ball screw, the main saw is mounted in the middle of the worktable, and the secondary saw is mounted behind the main saw, with the main saw and the secondary saw on the same vertical plane. The motor simultaneously drives the main saw and the secondary saw to rotate. The stop also includes a touch-screen CNC display, a programmable logic controller, and a stroke cylinder. The touch-screen CNC display and the programmable logic controller... The controller signal is connected, the programmable logic controller is connected to the stroke cylinder and controls the stroke of the stroke cylinder, the push rod of the stroke cylinder is connected to the stop; the worktable is provided with a rotating plate and an angle adjuster, the rotating plate is mounted on the worktable through a first rotating shaft, an extension plate is sleeved inside the rotating plate, and the extension plate moves telescopically within the rotating plate; the angle adjuster is connected to the main saw and the auxiliary saw and adjusts the deflection cutting angle of the main saw and the auxiliary saw; one end of the pusher is slidably mounted on one side of the worktable, and the other end of the pusher is mounted on the telescopic plate of the rotating plate through a second rotating shaft.

[0006] For example, patent application number CN201220717565.8 discloses a precision sliding table saw device, including a frame, a fixed worktable mounted on the frame, a sliding table component, a saw base component, and a longitudinal support plate component. The saw base component includes a saw base body, a main saw component and a grooving saw component mounted on the saw base body; the main saw component includes a main saw blade, a main saw spindle assembly, a main saw motor, and a main saw electric lifting mechanism; the main saw electric lifting mechanism includes a drive motor and a transmission screw that drives the lifting mechanism; the saw base body is provided with a guide rail extending vertically corresponding to the position of the main saw, and a main saw spindle fixing seat and a main saw motor fixing seat that can slide up and down along the guide rail are fitted on the guide rail. The aforementioned main saw blade and main saw spindle assembly are mounted on the main saw spindle mounting base, and the main saw motor is mounted on the main saw motor mounting base. The aforementioned drive motor is mounted on the saw base body, and the top end of the aforementioned transmission screw is connected to the main saw spindle mounting base. The grooving saw component includes a grooving saw blade, a grooving saw spindle assembly, a grooving saw motor, and a grooving saw electric lifting mechanism. It also includes an electric angle adjustment structure for adjusting the yaw angle of the main saw blade and the grooving saw blade together. The grooving saw electric lifting mechanism includes a grooving saw support frame, a motor reduction device for the grooving saw electric lifting mechanism, and a lifting screw for the grooving saw electric lifting mechanism. One end of the grooving saw support frame is pivotally connected to the saw base body, and the grooving saw spindle assembly can move with the grooving saw support frame. The saw is pivotally fixed to the other end of the grooving saw support frame. The motor reduction device of the electric lifting mechanism of the grooving saw is connected to the aforementioned saw base body. The outer end of the lifting screw of the electric lifting mechanism of the grooving saw is connected to the aforementioned grooving saw main shaft assembly. The electric angle yaw adjustment structure includes an angle adjustment digital controller, a transmission screw, a motor for driving the transmission screw, a nut fixing seat, and two arc guide rail seats. The two arc guide rail seats are installed on the frame at intervals. The two ends of the aforementioned saw base extend outward along the pushing direction to form arc guide rails. The aforementioned arc guide rail seats are recessed with arc guide rail grooves, and the two arc guide rails are respectively located in the corresponding arc guide rail grooves. The angle adjustment digital controller is connected to the aforementioned motor. The motor is mounted on the frame, one end of the transmission screw is connected to the motor, and the nut fixing seat has a nut part and a connecting part that are fixed to each other. The nut part is screwed onto the transmission screw, and the connecting part is fixed to the aforementioned saw body. The longitudinal support plate component includes a longitudinal support plate and a CNC transmission control mechanism for adjusting the position of the longitudinal support plate. The CNC transmission control mechanism includes a longitudinal support plate adjustment digital controller, a lead screw, a nut screwed onto the lead screw, and a motor for driving the lead screw. The digital controller is connected to the motor, and the nut is connected to the aforementioned longitudinal support plate. Furthermore, the aforementioned angle adjustment digital controller and the longitudinal support plate adjustment digital controller are respectively set separately or integrated into the same digital control box.

[0007] Aluminum alloy formwork contains a large number of standard parts and a small number of non-standard parts. Processing is achieved through cutting the sheet metal, welding, and drilling. Cutting includes straight cuts and bevel cuts. Straight cuts are achieved using a sliding table cutter, while bevel cuts are achieved using a rotary saw. Sometimes, when the rotary saw is damaged, under maintenance, or occupied, bevel cuts cannot be performed. Summary of the Invention

[0008] To address the aforementioned problems, embodiments of the present invention provide a cutting device that allows a table saw to simultaneously perform straight and bevel cuts, offering high applicability and convenient adjustment. The technical solution is as follows:

[0009] This invention provides a cutting device, which includes a worktable 1 arranged in a left-right direction, a pusher 2 on the worktable 1 that can move left-right, a widened table surface 3 at the front left end of the pusher 2, a baffle 4 behind the worktable 1 that can be adjusted back-and-forth, and a saw blade on the worktable 1 located adjacent to and behind the pusher 2. The widened table surface 3 is adjustable in the left-right direction and includes a fixed frame 31 arranged in a front-back direction, a baffle 32 at the left end of the fixed frame 31 arranged in a front-back direction, two clamps 33 on the baffle 32 that can be adjusted back-and-forth, and two rotating support rods 34 hinged to the fixed frame 31. The two rotating support rods 34 are respectively located at the fixed frame 31. The front and rear parts of the frame 31 are equipped with a rotating support rod 34 that is flush with the push platform 2 and whose left end is rotatably mounted on the left end of the fixed frame 31 via a rotating shaft. The baffle 32 is located adjacent to and above the rotating support rod 34. The push platform 2 is provided with a dovetail groove 5 along the left and right directions. The right side of the dovetail groove 5 is provided with a steering baffle 6. The steering baffle 6 can be adjusted in angle and left and right directions. The baffle 32 is composed of a front baffle 21 and a rear baffle 22 spliced ​​together from front to back. The splicing surface of the front baffle 21 and the rear baffle 22 is a slope 24 that slopes from left to right and backward. The rear baffle 22 is rotatably mounted on the rotating shaft at the rear. A left locking member 23 is movable in its direction, and its front end is provided with a locking tongue insertion hole; the left locking member 23 is fixed in the dovetail groove 5 and can be adjusted left and right in the dovetail groove 5; the front baffle 21 can be adjusted forward and backward, and its rear end is provided with an elastic locking tongue 25 that cooperates with the rear baffle 22, and its front end is provided with a control member 26 for controlling the extension and retraction of the elastic locking tongue 25; the elastic locking tongue 25 is inserted into the locking tongue insertion hole, and a pressing structure 7 that can be adjusted left and right is provided directly above the push table 2; when the processing direction is along the length direction of the plate 8, the front baffle 21 and the rear baffle 22 are spliced ​​together and are both arranged in the forward and backward direction, and the turning direction is... The left side of the baffle 6 is arranged along the front-to-back direction. The rear long side, right wide side, and left wide side of the plate 8 abut against the baffle 4, the turning baffle 6, and the baffle 32, respectively. When the processing direction is not along the length direction of the plate 8, the front baffle 21 and the rear baffle 22 are separated. The turning baffle 6 is arranged diagonally to the left from front to back and is parallel to the right wide side of the plate 8. The rear baffle 22 is arranged diagonally to the right from front to back and is parallel to the rear long side of the plate 8. The right rear corner of the plate 8 abuts against the baffle 4, its right wide side abuts against the turning baffle 6, and its rear long side abuts against the rear baffle 22. The rear end of the front baffle 21 abuts against the left wide side of the plate 8.

[0010] Furthermore, in this embodiment of the invention, the rear end of the fixed frame 31 is provided with a slide 27 along the left and right directions, and the front end is provided with a support roller 28 along the left and right directions. It is a rectangular frame arranged along the front and back directions. The slide 27 can be adjusted left and right on the front side of the push table 2. The support roller 28 is flush with the push table 2. The two rotating shafts are a front rotating shaft 51 and a rear rotating shaft 52. The rear rotating shaft 52 is located on the upper side of the left frame of the fixed frame 31 and is arranged vertically. The left end of the rear rotating support rod 34 and the middle part of the rear baffle 22 are arranged on the rear rotating shaft 52 from bottom to top. The right side of the front of the left frame of the fixed frame 31 is provided with a hinge seat 53. The front rotating shaft 51 is arranged on the hinge seat 53 and is arranged vertically. The left end of the front rotating support rod 34 is rotatably arranged on the front rotating shaft 51.

[0011] Preferably, in this embodiment of the invention, the right end of the front frame edge of the fixing frame 31 extends to the right relative to the right frame edge, the support roller 28 is disposed on the front frame edge of the fixing frame 31, and the rear rotating support rod 34 is shorter than the front rotating support rod 34; when the right end of the rear rotating support rod 34 abuts against the slide block 27, its right end is located at the rear end of the right frame edge of the fixing frame 31; when the right end of the front rotating support rod 34 abuts against the support roller 28, its right end is located at the right end of the front frame edge of the fixing frame 31.

[0012] Furthermore, in this embodiment of the invention, the lower side of the front baffle 21 is provided with a locking sleeve; the locking sleeve is fitted on the left frame side of the fixing frame 31, and its right side is provided with a notch to pass over the hinge seat 53, and it is locked and fixed to the fixing frame 31 by the locking bolt on the lower side.

[0013] In this embodiment of the invention, the rear baffle 22 has a rear strip-shaped through hole with an open front end along its direction, and the front baffle 21 has a front sliding groove with an open rear end along its direction. The rear strip-shaped through hole and the front sliding groove are aligned to form a sliding groove for the clamp 33 to slide, and scales are provided on both its left and right sides. The left locking member 23 and the rear rotating shaft 52 are both located in the rear strip-shaped through hole and can rotate and adjust their position relative to the rear strip-shaped through hole. The upper end of the rear rotating shaft 52 is provided with a locking mechanism. The two clamps 33 are respectively located in the rear strip-shaped through hole and the front sliding groove. The upper side of the elastic locking tongue 25 and the corresponding position of the front sliding groove are provided with a groove for the clamp 33 to pass through. The connecting arm between the control member 26 and the elastic locking tongue 25 is located on the left and / or right side of the front sliding groove.

[0014] Preferably, in this embodiment of the invention, the left end of the workbench 1 is provided with a rotating plate 9. The rotating plate 9 is arranged obliquely to the right from back to front, and its rear end is hinged to the left end of the workbench 1. It is provided with a telescopic plate that can extend and retract along its direction. The telescopic plate is arranged along the direction of the rotating plate 9, and its front end extends out of the rotating plate 9. It is located below the fixed frame 31, and its front end is hinged to the front frame edge of the fixed frame 31.

[0015] In this embodiment of the invention, the pressing structure 7 includes a gantry frame arranged in the left-right direction, a slide rail on the lower side of the top beam of the gantry frame, two slide seats slidably arranged on the slide rail, two cylinders arranged vertically on the lower side of the slide seats, and pressure plates arranged in the left-right direction at the lower ends of the telescopic rods of the two cylinders. The gantry frame is located at the rear of the push table 2 and behind the dovetail groove 5. The slide seats are locked and fixed on the slide rail. The two cylinders are driven synchronously. During processing, the cylinders extend and the pressure plates press against the upper side of the plate 8.

[0016] In this embodiment of the invention, the steering baffle 6 includes a semicircular plate 61, a vertical plate 62 on the upper side of the straight edge of the semicircular plate 61, an arc hole 63 on the semicircular plate 61 and cooperating with it, and a right locking member 64 in the arc hole 63. The semicircular plate 61 rests against the push table 2 and its left side is a straight edge. The straight edges of the vertical plate 62 and the semicircular plate 61 are both arranged in the front-back direction. A scale is provided on the right side of the arc hole 63. The right locking member 64 is arranged vertically, and its lower part is located in the dovetail groove 5, which fixes the steering baffle 6 on the push table 2. The angle and position of the steering baffle 6 can be adjusted by loosening the right locking member 64.

[0017] In this embodiment of the invention, the control component 26 is a pull-out structure, and its rear end is connected to the locking tongue 25 via a connecting arm; pulling the control component 26 forward will unlock the device.

[0018] The beneficial effects of the technical solution provided by the embodiments of the present invention are as follows: The embodiments of the present invention provide a cutting device that simultaneously achieves straight cutting and oblique cutting, has high applicability, and is easy to adjust. In this patent, during oblique cutting, the sum of the turning baffle and the processing angle is 180°, and the distance between the rear long side of the plate and the rear rotating shaft is constant; the plate fixing process is as follows: first determine the angle between the rear long side and the turning baffle, then determine the front baffle, then determine the position of the turning baffle and the stop, and finally press it tight. The elastic locking tongue not only achieves the locking between the front baffle and the rear baffle, but also ensures the stability of the front baffle pressing the plate (changing from single-point pressing to two-point pressing, with one point elastically adjusted back and forth according to the actual situation). Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the cutting device in an embodiment of the present invention;

[0020] Figure 2 This is a diagram showing the usage status of the cutting device during straight cutting;

[0021] Figure 3 This is a diagram showing the usage of the cutting device during oblique cutting;

[0022] Figure 4 This is a structural diagram of the steering baffle.

[0023] In the diagram: 1. Workbench, 2. Push table, 3. Widened table surface, 4. Stop, 5. Dovetail groove, 6. Turning baffle, 7. Pressing structure, 8. Plate, 9. Rotating plate;

[0024] 21 Front baffle, 22 Rear baffle, 23 Left locking element, 24 Inclined surface, 25 Elastic locking tongue, 26 Control element, 27 Slide block, 28 Support roller;

[0025] 31 Fixed frame, 32 Baffle, 33 Clamp, 34 Rotary support rod;

[0026] 51 Front pivot, 52 Rear pivot, 53 Hinge seat;

[0027] 61 Semicircular plate, 62 Vertical plate, 63 Arc hole, 64 Right locking component. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings.

[0029] Example 1

[0030] See Figure 1-3 Example 1 provides a cutting device, which includes a worktable 1, a push table 2, a widened table surface 3, a stop 4, a rotating plate 9, a clamping structure 7, and a saw blade (not shown). The worktable 1 is arranged in a left-right direction. The push table 2 is arranged in a left-right direction and can slide left and right on the worktable 1. It has dovetail grooves 5 arranged in a left-right direction on its surface (specifically in the middle). The stop 4 is arranged in a left-right direction and is located directly behind the push table 2. It can be adjusted forward and backward and is located adjacent to the upper plane of the push table 2. The saw blade is placed on the worktable and is arranged in a forward and backward direction, located adjacent to the rear of the push table 2.

[0031] The widened platform 3 is arranged along the front-rear direction and is located on the front left side of the push platform 2. It can be adjusted left and right on the push platform 2. Specifically, the widened platform 3 includes a fixed frame 31, a baffle 32, a slide 27, a support roller 28, two clamps 33, and two rotating support rods 34. The fixed frame 31 is a rectangular frame arranged along the front-rear direction. The slide 27 is located at the rear end of the fixed frame 31, arranged along the left and right direction, located on the front side of the push platform 2, and can be adjusted left and right on the push platform 2. Its upper side is flush with the push platform 2. The support roller 28 is located on the front frame edge of the fixed frame 31, flush with the push platform 2, and arranged along the left and right direction. The baffle 32 is arranged along the front-rear direction and is located directly above the left frame edge of the fixed frame 31. It is located on the fixed frame 31 and adjacent to the rotating support rods 34. It is composed of a front baffle 21 and a rear baffle 22 spliced ​​from front to back, and has two clamps 33 on it. The two clamps 33 can be adjusted back and forth on the baffle 32, consistent with the prior art.

[0032] The left ends of the two rotating support rods 34 are hinged to the left frame of the fixed frame 31 via two rotating shafts, located at the front and rear of the fixed frame 31 respectively. The rotating support rods 34 are flush with the push table 2 and are used to support the plate 8. The two rotating shafts are a front rotating shaft 51 (located at the front) and a rear rotating shaft 52 (located at the rear). The rear rotating shaft 52 is located on the upper side of the left frame of the fixed frame 31 and is vertically oriented. The left end of the rear rotating support rod 34 and the middle part of the rear baffle 22 are sequentially mounted on the rear rotating shaft 52 from bottom to top. A hinge seat 53 is provided on the front right side of the left frame of the fixed frame 31. The front rotating shaft 51 is mounted on the hinge seat 53 and is vertically oriented. The left end of the front rotating support rod 34 is rotatably mounted on the front rotating shaft 51.

[0033] The front baffle 21 is shorter, and the rear baffle 22 is longer. The joint surface of the front baffle 21 and the rear baffle 22 is a slope 24 that slopes backward from left to right (the slope angle can be 45° or other angles). The rear baffle 22 is rotatably mounted on the upper part of the rear rotating shaft 52, and its rear part is provided with a left locking member 23 that can move in its direction. Its front end is provided with a locking tongue insertion hole (set along the front-back direction, with a hollow structure). The left locking member 23 is fixed in the dovetail groove 5 and can be adjusted left and right and angled within the dovetail groove 5. The front baffle 21 can be adjusted forward and backward, and its rear end is provided with an elastic locking tongue 25 that cooperates with the rear baffle 22 (set along the front-back direction and capable of forward and backward extension). Its front end is provided with a control member 26 for controlling the extension and retraction of the elastic locking tongue 25. Specifically, a locking sleeve (specifically a rectangular sleeve) is provided on the lower side of the front baffle 21. The locking sleeve is fitted onto the left frame edge of the fixing bracket 31, and its right side has a notch to extend past the hinge seat 53. It is locked and fixed to the fixing bracket 31 by the locking bolt on the lower side. The elastic locking tongue 25 is inserted into the locking tongue socket to fix the front baffle 21 and the rear baffle 22.

[0034] Specifically, the rear baffle 22 has a rear strip-shaped through hole with an open front end (set along the front-rear direction), and the front baffle 21 has a front sliding groove with an open rear end (set along the front-rear direction). The rear strip-shaped through hole and the front sliding groove are aligned to form a sliding groove for the clamp 33 to slide, and scales are provided on both sides of the groove (set along the front-rear direction). The left locking member 23 and the rear rotating shaft 52 are both located in the rear strip-shaped through hole and can rotate and adjust their position relative to the rear strip-shaped through hole. The upper end of the rear rotating shaft 52 is provided with a locking mechanism (specifically, a locking nut) to lock and fix the rear baffle 22. The two clamps 33 are respectively located in the rear strip-shaped through hole and the front sliding groove, or both are located in the rear strip-shaped through hole. The upper side of the elastic locking tongue 25 and the corresponding position of the front sliding groove are provided with a groove for the clamp 33 to pass through (set along the front-rear direction). The connecting arm between the control member 26 and the elastic locking tongue 25 is located on the left and / or right side of the front sliding groove. The control element 26 is a pull-out type, and its rear end is connected to the locking tongue 25 via a connecting arm; pulling the control element 26 forward will unlock it.

[0035] The dovetail groove 5 is arranged in a left-right direction, and a steering baffle 6 is provided on its right side. The steering baffle 6 can be adjusted in angle and position in both directions. Specifically, the steering baffle 6 includes a semicircular plate 61, a vertical plate 62 on the upper side of the straight edge of the semicircular plate 61, an arc hole 63 on the semicircular plate 61 that mates with it, and a right locking member 64 in the arc hole 63. The semicircular plate 61 rests against the push table 2, and its left side is a straight edge. The straight edges of the vertical plate 62 and the semicircular plate 61 are both arranged in a front-back direction. A scale (arc-shaped) is provided on the right side of the arc hole 63. The right locking member 64 is vertically arranged, and its lower part is located in the dovetail groove 5, which fixes the steering baffle 6 on the push table 2. The angle and position of the steering baffle 6 can be adjusted by loosening the right locking member 64.

[0036] The clamping structure 7 is located directly above the rear of the push table 2, arranged in a left-right direction and adjustable left and right. It is used to clamp the upper side of the plate 8. Specifically, the clamping structure 7 includes a gantry frame arranged in a left-right direction, a slide rail under the top beam of the gantry frame, two slide seats slidably mounted on the slide rail, two cylinders vertically arranged under the slide seats, and pressure plates at the lower ends of the telescopic rods of the two cylinders arranged in a left-right direction. The gantry frame is located at the rear of the push table 2 and behind the dovetail groove 5. The slide seats are locked and fixed to the slide rail. The two cylinders are driven synchronously. During processing, the cylinders extend, and the pressure plates press against the upper side of the plate 8.

[0037] The rotating plate 9 (specifically a rectangular tube) is arranged diagonally to the right from back to front, and its rear end is hinged (via a vertical pivot) to the left end of the worktable 1. A telescopic plate (specifically a rectangular plate) is provided on the rotating plate 9, which can extend and retract along its direction. The telescopic plate is arranged along the direction of the rotating plate 9, with its front end extending beyond the rotating plate 9. It is located below the fixed frame 31, and its front end is hinged to the front frame edge of the fixed frame 31 (via a vertical pivot).

[0038] Example 2

[0039] See Figure 2 Example 2 provides a cutting device, the structure of which is basically the same as that of Example 1, except that: in this embodiment, when the processing direction is along the length of the plate 8 (straight cut), the processing method is the same as the prior art. The front baffle 21 and the rear baffle 22 are spliced ​​together and are both arranged in the front-rear direction. The left side of the turning baffle 6 is arranged in the front-rear direction. The rear long side, right wide side, and left wide side of the plate 8 respectively abut against the baffle 4, the turning baffle 6, and the baffle 32. The pressing structure 7 presses the upper side of the plate 8. Processing can be achieved by pushing the pusher 2 left and right.

[0040] Example 3

[0041] See Figure 3Example 3 provides a cutting device whose structure is basically the same as that of Example 1, except that: when the processing direction in this embodiment is not along the length of the plate 8 (it is a bevel cut), the front baffle 21 and the rear baffle 22 are separated, and the steering baffle 6 is set diagonally to the left from front to back and is parallel to the right wide side of the plate 8. The rear baffle 22 is set diagonally to the right from front to back and is parallel to the rear long side of the plate 8. The right rear corner of the plate 8 abuts against the baffle 4, its right wide side abuts against the steering baffle 6, and its rear long side abuts against the rear baffle 22. The rear end of the front baffle 21 abuts against the left wide side of the plate 8. The clamping structure 7 clamps the upper side of the plate 8. Processing can be achieved by pushing the pusher 2 left and right.

[0042] Example 4

[0043] See Figure 1 Example 4 provides a cutting device whose structure is basically the same as that of Example 1, except that the right end of the front frame of the fixing frame 31 in this embodiment extends to the right relative to the right frame, and the length of the front frame is greater than the length of the slide 27. The support roller 28 is disposed on the front frame of the fixing frame 31, and the rear rotating support rod 34 is shorter than the front rotating support rod 34. When the right end of the rear rotating support rod 34 abuts against the slide 27, its right end is located at the rear end of the right frame of the fixing frame 31. When the right end of the front rotating support rod 34 abuts against the support roller 28, its right end is located at the right end of the front frame of the fixing frame 31.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cutting device comprising a worktable (1) arranged in a left-right direction, a pusher (2) on the worktable (1) and movable in the left-right direction, a widened table surface (3) at the left front end of the pusher (2), a stop (4) behind the worktable (1) and adjustable in the front-back direction, and a saw blade on the worktable (1) and located adjacent to and behind the pusher (2), wherein the widened table surface (3) is adjustable in the left-right direction and includes a fixing frame (31) arranged in the front-back direction, and a stop (4) at the left end of the fixing frame (31) arranged in the front-back direction. The baffle (32), two clamps (33) on the baffle (32) that can be adjusted back and forth, and two rotating support rods (34) hinged to the fixed frame (31), the two rotating support rods (34) are respectively located at the front and rear of the fixed frame (31), the rotating support rods (34) are flush with the push table (2) and their left ends are rotatably mounted on the left end of the fixed frame (31) through a rotating shaft, the baffle (32) is located above the adjacent rotating support rods (34); the feature is that, The pusher (2) has a dovetail groove (5) along its left and right sides. A steering baffle (6) is provided on the right side of the dovetail groove (5). The steering baffle (6) can adjust the angle and position in the left and right directions. The baffle (32) is composed of a front baffle (21) and a rear baffle (22) from front to back. The splicing surface of the front baffle (21) and the rear baffle (22) is an inclined surface (24) from left to right and backward. The rear baffle (22) is rotatably mounted on a rotating shaft at the rear. Its rear part is provided with a mechanism that can move along its direction. The left locking member (23) has a locking tongue insertion hole at its front end; the left locking member (23) is fixed in the dovetail groove (5) and can be adjusted left and right in the dovetail groove (5); the front baffle (21) can be adjusted forward and backward, and its rear end is provided with an elastic locking tongue (25) that cooperates with the rear baffle (22), and its front end is provided with a control member (26) for controlling the extension and retraction of the elastic locking tongue (25); the elastic locking tongue (25) is inserted into the locking tongue insertion hole, and a pressing structure (7) that can be adjusted left and right is provided directly above the push platform (2); When the processing direction is along the length of the plate (8), the front baffle (21) and the rear baffle (22) are spliced ​​together and both are set in the front-back direction. The left side of the turning baffle (6) is set in the front-back direction. The rear long side, right wide side and left wide side of the plate (8) abut against the baffle (4), the turning baffle (6) and the baffle (32) respectively. When the processing direction is not along the length of the plate (8), the front baffle (21) and the rear baffle (22) are separated, the steering baffle (6) is set diagonally to the left from front to back and is parallel to the right wide side of the plate (8); the rear baffle (22) is set diagonally to the right from front to back and is parallel to the rear long side of the plate (8); the right rear corner of the plate (8) rests against the baffle (4), its right wide side rests against the steering baffle (6), and its rear long side rests against the rear baffle (22); the rear end of the front baffle (21) rests against the left wide side of the plate (8).

2. The cutting device according to claim 1, characterized in that, The rear end of the fixed frame (31) is provided with a slide (27) along the left and right directions, and the front end is provided with a support roller (28) along the left and right directions. It is a rectangular frame arranged along the front and back directions. The slide (27) can be adjusted left and right on the front side of the push table (2). The support roller (28) is flush with the push table (2). The two rotating shafts are the front rotating shaft (51) and the rear rotating shaft (52). The rear rotating shaft (52) is located on the upper side of the left frame of the fixed frame (31) and is arranged vertically. The left end of the rear rotating support rod (34) and the middle part of the rear baffle (22) are arranged on the rear rotating shaft (52) from bottom to top. The right side of the front part of the left frame of the fixed frame (31) is provided with a hinge seat (53). The front rotating shaft (51) is located on the hinge seat (53) and is arranged vertically. The left end of the front rotating support rod (34) is rotatably located on the front rotating shaft (51).

3. The cutting device according to claim 2, characterized in that, The right end of the front frame of the fixed frame (31) extends to the right relative to the right frame. The support roller (28) is located on the front frame of the fixed frame (31). The rear rotating support rod (34) is shorter than the front rotating support rod (34). When the right end of the rear rotating support rod (34) abuts against the slide (27), its right end is located at the rear end of the right frame of the fixed frame (31). When the right end of the front rotating support rod (34) abuts against the support roller (28), its right end is located at the right end of the front frame of the fixed frame (31).

4. The cutting device according to claim 2, characterized in that, The lower side of the front baffle (21) is provided with a locking sleeve; the locking sleeve is fitted on the left frame side of the fixing frame (31), and its right side is provided with a notch to pass over the hinge seat (53), and it is locked and fixed to the fixing frame (31) by the locking bolt on the lower side.

5. The cutting device according to claim 2, characterized in that, The rear baffle (22) has a rear strip-shaped through hole with an open front end along its direction, and the front baffle (21) has a front sliding groove with an open rear end along its direction. The rear strip-shaped through hole and the front sliding groove are aligned to form a sliding groove for the clamp (33) to slide, and scales are provided on both its left and right sides. The left locking member (23) and the rear rotating shaft (52) are both located in the rear strip-shaped through hole and can rotate and adjust their position relative to the rear strip-shaped through hole. The upper end of the rear rotating shaft (52) is provided with a locking mechanism. The two clamps (33) are respectively located in the rear strip-shaped through hole and the front sliding groove. The upper side of the elastic locking tongue (25) and the corresponding position of the front sliding groove are provided with a groove for the clamp (33) to pass through. The connecting arm between the control member (26) and the elastic locking tongue (25) is located on the left and / or right side of the front sliding groove.

6. The cutting device according to claim 2, characterized in that, The workbench (1) has a rotating plate (9) at its left end. The rotating plate (9) is arranged diagonally to the right from back to front, and its rear end is hinged to the left end of the workbench (1). It has a telescopic plate that can extend and retract along its direction. The telescopic plate is arranged along the direction of the rotating plate (9), and its front end extends out of the rotating plate (9). It is located below the fixed frame (31), and its front end is hinged to the front frame edge of the fixed frame (31).

7. The cutting device according to claim 1, characterized in that, The pressing structure (7) includes a gantry frame arranged in the left and right direction, a slide rail on the lower side of the top beam of the gantry frame, two slide seats slidably arranged on the slide rail, two cylinders arranged vertically on the lower side of the slide seats, and pressure plates arranged in the left and right direction at the lower end of the telescopic rods of the two cylinders. The gantry frame is located at the rear of the push table (2) and is located behind the dovetail groove (5). The slide seats are locked and fixed on the slide rail. The two cylinders are driven synchronously. During processing, the cylinders extend and the pressure plates press against the upper side of the plate (8).

8. The cutting device according to claim 1, characterized in that, The steering baffle (6) includes a semicircular plate (61), a vertical plate (62) on the upper side of the straight edge of the semicircular plate (61), an arc hole (63) on the semicircular plate (61) and cooperating therewith, and a right locking member (64) in the arc hole (63). The semicircular plate (61) rests against the push table (2) and its left side is a straight edge. The straight edges of the vertical plate (62) and the semicircular plate (61) are both arranged in the front-back direction. A scale is provided on the right side of the arc hole (63). The right locking member (64) is arranged vertically and its lower part is located in the dovetail groove (5). It fixes the steering baffle (6) on the push table (2). The angle and position of the steering baffle (6) can be adjusted by loosening the right locking member (64).

9. The cutting device according to claim 1, characterized in that, The control element (26) is a pull-out structure, and its rear end is connected to the locking tongue (25) via a connecting arm; pulling the control element (26) forward will unlock it.

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