Sawing machine for metal cutting

Abstract

The utility model discloses a sawing machine for metal cutting. The sawing machine comprises a sawing machine body, a lifting device, a lifting frame, a cutting driving pair, a saw blade, a bearing clamping frame, an extension bearing frame and a control panel. The sawing machine body is connected with the lifting frame through the lifting device. The cutting driving pair is fixed on the lifting frame; a cutting groove is formed in the middle of the upper end face of the sawing machine body. A left clamping wheel and a right clamping wheel which are arranged in the bearing clamping frame oppositely clamp a metal workpiece in the horizontal direction; the lifting device can drive the saw blade to vertically move above the cutting groove; the cutting driving pair drives the saw blade to reciprocate; the extension supporting frame comprises a front extension supporting frame and a rear extension supporting frame; the front extension bearing frame and the rear extension bearing frame are arranged at the front end and the rear end of the bearing clamping frame correspondingly. A shell of the control panel is connected with one side of the sawing machine body through a panel supporting arm. The sawing machine can clamp a workpiece, cutting is convenient, the supporting frame is extended to support the long workpiece, and the situation that the cutting precision is affected due to deformation of the long workpiece during cutting is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal cutting equipment, and in particular relates to a sawing machine used for metal cutting. Background Art

[0002] Sawing machines are used to cut materials when processing metals. Traditional sawing machines are inconvenient to clamp and fix when cutting plate-shaped workpieces. When cutting longer workpieces, both ends of the workpiece cannot be supported. Both problems will affect the workpiece processing accuracy and product cutting quality. Summary of the invention

[0003] The present invention aims to solve the above problems and provides a sawing machine for metal cutting.

[0004] A sawing machine for metal cutting, comprising: a sawing machine body 1, a lifting device 2, a lifting frame 3, a cutting drive pair 4, a saw blade 5, a supporting clamping frame 7, an extended supporting frame 8, and a control panel 9; the sawing machine body 1 is connected to the lifting frame 3 through the lifting device 2; the cutting drive pair 4 is fixed on the lifting frame 3; a left rack connecting rod 45 and a right rack connecting rod 46 are provided in the cutting drive pair 4; two ends of the saw blade 5 are respectively locked and connected with the left rack connecting rod 45 and the right rack connecting rod 46 by bolts; the middle of the upper end surface of the sawing machine body 1 is also A cutting groove 12 is provided; a left clamping wheel 752 and a right clamping wheel 762 are provided in the supporting clamping frame 7 to clamp the metal workpiece in the horizontal direction; the lifting device 2 can drive the saw blade 5 to move vertically above the cutting groove 12; the cutting drive pair 4 drives the saw blade 5 to reciprocate; the extended supporting bracket 8 includes a front extended supporting bracket 81 and a rear extended supporting bracket 82; the front extended supporting bracket 81 and the rear extended supporting bracket 82 are respectively arranged at the front and rear ends of the supporting clamping frame 7; the shell of the control panel 9 is connected to one side of the sawing machine body 1 through the panel support arm 91.

[0005] The lifting device 2 includes: a lifting hydraulic cylinder 21 and a lifting sliding rod 22; there are two lifting hydraulic cylinders 21 and two lifting sliding rods 22, and the two lifting hydraulic cylinders 21 are respectively vertically arranged on both sides of the center point of the upper end surface of the sawing machine body 1; the two lifting sliding rods 22 are respectively vertically arranged at the corners on both sides of the rear end of the sawing machine body 1.

[0006] The lifting frame 3 includes: a left lifting frame 31, a middle lifting frame 32, and a right lifting frame 33. The left lifting frame 31, the middle lifting frame 32 and the right lifting frame 33 are fixedly connected to form an "I"-shaped steel member; the cutting drive pair 4 is divided into a left cutting drive pair 41 and a right cutting drive pair 42; the left cutting drive pair 41 is fixed on the left lifting frame 31; the right cutting drive pair 42 is fixed on the right lifting frame 33; a sliding arm frame 321 is provided at the front end of the middle lifting frame 32.

[0007] An active cutting drive arm 43 is provided at the front end of the left cutting drive pair 41; a left rack connecting rod 45 is locked and connected to the front end of the active cutting drive arm 43; a driven cutting drive arm 44 is provided at the front end of the right cutting drive pair 42; and a right rack connecting rod 46 is locked and connected to the front end of the driven cutting drive arm 44.

[0008] A left saw blade sliding arm 61 and a right saw blade sliding arm 62 are also provided on the sliding arm frame 321; the upper ends of the left saw blade sliding arm 61 and the right saw blade sliding arm 62 can slide horizontally on the sliding arm frame 321; the lower ends of the left saw blade sliding arm 61 and the right saw blade sliding arm 62 are both provided with sliding rod holes; the left rack connecting rod 45 and the right rack connecting rod 46 can slide in the sliding rod holes of the left and right saw blade sliding arms respectively.

[0009] The supporting clamping frame 7 is provided with a front supporting bracket 71 and a rear supporting bracket 72; the front supporting bracket 71 and the rear supporting bracket 72 are respectively arranged on the front and rear sides of the cutting groove 12; the front supporting bracket 71 and the rear supporting bracket 72 are provided with supporting rollers parallel to each other; the left clamping rod 75 and the right clamping rod 76 are arranged on the front supporting bracket 71 and the rear supporting bracket 72 in parallel with each other; the left clamping rod 75 and the right clamping rod 76 are respectively provided with a left clamping wheel 752 and a right clamping wheel 762 on the opposite sides; the clamping drive motor can drive the left clamping wheel 752 and the right clamping wheel 762 to move relative to each other in the horizontal direction.

[0010] Two racks are provided on the corresponding sides of the left clamping rod 75 and the right clamping rod 76; the two racks on the left clamping rod 75 and the right clamping rod 76 are respectively meshed and driven by the main clamping drive gear 77 and the auxiliary clamping drive gear 79; the main clamping drive gear 77 is fixed on the output shaft of the clamping drive motor.

[0011] The main clamping drive gear 77 is fixed on the output shaft of the clamping drive motor; the clamping drive motor drives the left clamping wheel 752 and the right clamping wheel 762 to move horizontally relative to each other.

[0012] The present technical solution provides a sawing machine for metal cutting, which includes: a sawing machine body 1, a lifting device 2, a lifting frame 3, a cutting drive pair 4, a saw blade 5, a supporting clamping frame 7, an extended supporting frame 8, and a control panel 9; the sawing machine body 1 is connected to the lifting frame 3 through the lifting device 2; the cutting drive pair 4 is fixed on the lifting frame 3; the cutting drive pair 4 is provided with a left rack connecting rod 45 and a right rack connecting rod 46; the two ends of the saw blade 5 are respectively locked and connected with the left rack connecting rod 45 and the right rack connecting rod 46 by bolts; the upper end of the sawing machine body 1 A cutting groove 12 is also provided in the middle of the surface; the left clamping wheel 752 and the right clamping wheel 762 provided in the supporting clamping frame 7 clamp the metal workpiece in the horizontal direction; the lifting device 2 can drive the saw blade 5 to move vertically along the top of the cutting groove 12; the cutting drive pair 4 drives the saw blade 5 to reciprocate; the extended support frame 8 includes a front extended support frame 81 and a rear extended support frame 82; the front extended support frame 81 and the rear extended support frame 82 are respectively arranged at the front and rear ends of the supporting clamping frame 7; the shell of the control panel 9 is connected to one side of the sawing machine body 1 through the panel support arm 91. The sawing machine can clamp the workpiece for convenient cutting, and the extended support frame 8 supports a longer workpiece to prevent the longer workpiece from being deformed when cutting, which affects the cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an overall schematic diagram of a sawing machine for metal cutting of the utility model;

[0014] Figure 2 It is a schematic diagram of the expansion support frame of a sawing machine for metal cutting according to the utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of a supporting and clamping frame of a sawing machine used for metal cutting according to the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the left side of a left side supporting and clamping frame of a sawing machine used for metal cutting. DETAILED DESCRIPTION

[0017] The technical scheme will be further described clearly and completely below in conjunction with the accompanying drawings of the technical scheme. The described embodiments are only a part of the technical scheme, not all of the embodiments. Based on the technical scheme, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Example

[0018] See also Figures 1 to 4 As shown, a sawing machine for metal cutting comprises: a sawing machine body 1, a lifting device 2, a lifting frame 3, a cutting drive pair 4, a saw blade 5, a saw blade sliding arm 6, a supporting clamping frame 7, an extended supporting frame 8, and a control panel 9;

[0019] The sawing machine body 1 is provided with an adjustable foot support 11 at the bottom end surface; the sawing machine body 1 is provided with a lifting device 2;

[0020] A cutting groove 12 is also provided in the middle of the upper end surface of the sawing machine body 1; a front extension frame groove 13 is provided at the front end of the sawing machine body 1, and a rear extension frame groove is provided at the rear end of the sawing machine body 1.

[0021] The lifting device 2 includes: a lifting hydraulic cylinder 21 and a lifting sliding rod 22; there are two lifting hydraulic cylinders 21 and two lifting sliding rods 22, and the two lifting hydraulic cylinders 21 are respectively vertically arranged on both sides of the center point of the upper end surface of the sawing machine body 1; the two lifting sliding rods 22 are respectively vertically arranged at the corners on both sides of the rear end of the sawing machine body 1.

[0022] The lifting frame 3 includes: a left lifting frame 31, a middle lifting frame 32, and a right lifting frame 33. The heights of the left lifting frame 31 and the right lifting frame 33 are lower than the middle lifting frame 32, and the left lifting frame 31 and the right lifting frame 33 are connected through the middle lifting frame 32; that is, the lifting frame 3 is a "X"-shaped steel member, and the left lifting frame 31 and the right lifting frame 33 are fixedly connected to the tops of the two lifting hydraulic cylinders 21 respectively; the two sides of the lifting frame 3 are fixedly connected to the tops of the lifting hydraulic cylinders 21; sliding rod sleeves are provided on both sides of the rear end of the lifting frame 3, and the sliding rod sleeves are sleeved on the lifting sliding rod 22;

[0023] The front end of the middle lifting frame 32 is provided with a sliding arm frame 321 , which is an H-shaped steel member, and the front end of the sliding arm frame 321 is provided with a ruler 3211 .

[0024] The cutting drive pair 4 is a horizontal reciprocating motion mechanism; the cutting drive pair 4 is divided into a left cutting drive pair 41 and a right cutting drive pair 42; the left cutting drive pair 41 is fixed on the left lifting frame 31; the right cutting drive pair 42 is fixed on the right lifting frame 33;

[0025] The front end of the left cutting drive pair 41 is provided with an active cutting drive arm 43, and the front end of the right cutting drive pair 42 is provided with a driven cutting drive arm 44; the rear ends of the left cutting drive pair 41 and the right cutting drive pair 42 are both slidably connected to the lifting sliding rod 22;

[0026] The front end of the active cutting driving arm 43 is provided with a left connecting rod sleeve 431, in which a left rack connecting rod 45 is arranged; the front end of the driven cutting driving arm 44 is provided with a right connecting rod sleeve 441, in which a right rack connecting rod 46 is arranged;

[0027] The two ends of the saw blade 5 are respectively connected by bolts through a left rack connecting rod 45 and a right rack connecting rod 46; the active cutting drive arm 43 drives the saw blade 5 to reciprocate in the horizontal direction.

[0028] The saw blade sliding arm 6 comprises: a left saw blade sliding arm 61 and a right saw blade sliding arm 62. The upper ends of the left saw blade sliding arm 61 and the right saw blade sliding arm 62 are sleeved on the sliding arm frame 321. The left saw blade sliding arm 61 is provided with a positioning locking screw 611. The left saw blade sliding arm 61 and the right saw blade sliding arm 62 have the same symmetrical structure. The lower ends of the left saw blade sliding arm 61 and the right saw blade sliding arm 62 are both provided with a sliding rod hole.

[0029] The left rack connecting rod 45 slides in the slide rod hole at the lower end of the left saw blade sliding arm 61; the right rack connecting rod 46 slides in the slide rod hole at the lower end of the right saw blade sliding arm 62; that is, the left rack connecting rod 45 and the right rack connecting rod 46 slide in the slide rod holes at the lower ends of the left saw blade sliding arm 61 and the right saw blade sliding arm 62 respectively.

[0030] The supporting clamping frame 7 includes: a front supporting bracket 71, a rear supporting bracket 72, a front supporting roller shaft 73, a rear supporting roller shaft 74, a left clamping rod 75, a right clamping rod 76, a main clamping drive gear 77, a clamping drive motor, and an auxiliary clamping drive gear 79;

[0031] The front support bracket 71 and the rear support bracket 72 are respectively arranged at the front and rear sides of the cutting groove 12; a plurality of front support roller shafts 73 are provided, and the plurality of front support roller shafts 73 are connected in parallel to the front support bracket 71; a plurality of rear support roller shafts 74 are provided, and the plurality of rear support roller shafts 74 are connected in parallel to the rear support bracket 72;

[0032] The left clamping rod 75 and the right clamping rod 76 are symmetrical in structure; the left clamping rod 75 and the right clamping rod 76 are both provided with a U-shaped portion; the U-shaped portion provided on the left clamping rod 75 and the right clamping rod 76 can slide in the cutting groove 12;

[0033] The left clamping rod 75 and the right clamping rod 76 are arranged parallel to each other on the front supporting bracket 71 and the rear supporting bracket 72;

[0034] A plurality of left clamping wheels 752 are provided on the side of the left clamping rod 75 corresponding to the right clamping rod 76; a plurality of right clamping wheels 762 are provided on the side of the right clamping rod 76 corresponding to the left clamping rod 75;

[0035] Left roller shaft sliding grooves 753 with clearance fit are provided at the two sides of the U-shaped portion on the left clamping rod 75 corresponding to the front supporting roller shaft 73 and the rear supporting roller shaft 74; right roller shaft sliding grooves 762 with clearance fit are provided at the two sides of the U-shaped portion on the right clamping rod 76 corresponding to the front supporting roller shaft 73 and the rear supporting roller shaft 74;

[0036] The left clamping rod 75 and the right clamping rod 76 have two left racks 754 on one side corresponding to the left clamping rod 75, and the two left racks 754 are arranged parallel to each other on both sides of the U-shaped portion of the left clamping rod 75; the right clamping rod 76 and the left clamping rod 75 have two right racks 764 on one side corresponding to the left clamping rod 75, and the two right racks 764 are arranged parallel to each other on both sides of the U-shaped portion of the right clamping rod 76; the teeth on the left rack 754 are opposite to the right rack 764.

[0037] The main clamping drive gear 77 is fixed on the output shaft of the clamping drive motor, and the clamping drive motor drives the main clamping drive gear 77 to rotate; one left rack 754 is meshed with one right rack 764 through the main clamping drive gear 77; the other left rack 754 is meshed with two right racks 764 through the auxiliary clamping drive gear 79;

[0038] The bottom surface of the left clamping rod 75 is provided with a right rack slide groove 755 which is clearance-matched with the right rack 764; the bottom surface of the clamping rod 76 is also provided with a left rack slide groove 765 which is clearance-matched with the left rack 754;

[0039] That is, the clamping drive motor drives the left clamping wheel 752 and the right clamping wheel 762 to move horizontally relative to each other through the main clamping drive gear 77 meshing with the left rack and the right rack at the same time; the workpiece to be cut is clamped between the left clamping wheel 752 and the right clamping wheel 762.

[0040] The extension support bracket 8 includes: a front extension support bracket 81 and a rear extension support bracket 82; the upper end of the front extension support bracket 81 is axially connected to the front extension frame groove 13; the upper end of the rear extension support bracket 82 is axially connected to the rear extension frame groove; both the front extension support bracket 81 and the rear extension support bracket 82 are provided with rollers; after the front extension support bracket 81 and the rear extension support bracket 82 are flipped up, the upper end surfaces of the rollers on the front extension support bracket 81 and the rear extension support bracket 82 are on the same plane as the upper end surfaces of the rollers of the front support roller 73 and the rear support roller 74.

[0041] A panel support arm 91 is provided below the control panel 9; the shell of the control panel 9 is connected to one side of the sawing machine body 1 through the panel support arm 91; the control panel 9 is electrically controlled and connected to the lifting device 2 and the cutting drive pair 4.

Claims

1. A sawing machine for metal cutting, comprising: A sawing machine body (1), a lifting device (2), a lifting frame (3), a cutting drive pair (4), a saw blade (5), a supporting clamping frame (7), an extended supporting frame (8), and a control panel (9); the sawing machine body (1) is connected to the lifting frame (3) through the lifting device (2); the cutting drive pair (4) is fixed on the lifting frame (3); a left rack connecting rod (45) and a right rack connecting rod (46) are provided in the cutting drive pair (4); the two ends of the saw blade (5) are respectively locked and connected to the left rack connecting rod (45) and the right rack connecting rod (46) by bolts; a cutting rod is also provided in the middle of the upper end surface of the sawing machine body (1). A cutting groove (12); a left clamping wheel (752) and a right clamping wheel (762) are arranged in the supporting clamping frame (7) to clamp the metal workpiece in the horizontal direction; the lifting device (2) can drive the saw blade (5) to move vertically along the top of the cutting groove (12); the cutting drive pair (4) drives the saw blade (5) to reciprocate; the extended support frame (8) includes a front extended support frame (81) and a rear extended support frame (82); the front extended support frame (81) and the rear extended support frame (82) are respectively arranged at the front and rear ends of the supporting clamping frame (7); the shell of the control panel (9) is connected to one side of the sawing machine body (1) through a panel support arm (91).

2. A sawing machine for metal cutting according to claim 1, characterized in that: The lifting device (2) comprises: a lifting hydraulic cylinder (21) and a lifting sliding rod (22); two lifting hydraulic cylinders (21) and two lifting sliding rods (22) are provided, and the two lifting hydraulic cylinders (21) are respectively vertically arranged on both sides of the center point of the upper end surface of the sawing machine body (1); and the two lifting sliding rods (22) are respectively vertically arranged at the corners on both sides of the rear end of the sawing machine body (1).

3. A sawing machine for metal cutting according to claim 1, characterized in that: The lifting frame (3) comprises: a left lifting frame (31), a middle lifting frame (32), and a right lifting frame (33), wherein the left lifting frame (31), the middle lifting frame (32), and the right lifting frame (33) are fixedly connected to form a "X"-shaped steel member; the cutting drive pair (4) is divided into a left cutting drive pair (41) and a right cutting drive pair (42); the left cutting drive pair (41) is fixed on the left lifting frame (31); the right cutting drive pair (42) is fixed on the right lifting frame (33); sliding rod sleeves are arranged on both sides of the rear end of the lifting frame (3), and the sliding rod sleeves are sleeved on the lifting sliding rod (22); and a sliding arm frame (321) is arranged at the front end of the middle lifting frame (32).

4. A sawing machine for metal cutting according to claim 3, characterized in that: An active cutting driving arm (43) is provided at the front end of the left cutting driving pair (41); a left rack connecting rod (45) is locked and connected to the front end of the active cutting driving arm (43); A driven cutting driving arm (44) is provided at the front end of the right cutting driving pair (42); the front end of the driven cutting driving arm (44) is locked and connected to a right rack connecting rod (46).

5. A sawing machine for metal cutting according to claim 3, characterized in that: A left saw blade sliding arm (61) and a right saw blade sliding arm (62) are also provided on the sliding arm frame (321); the upper ends of the left saw blade sliding arm (61) and the right saw blade sliding arm (62) can slide horizontally on the sliding arm frame (321); the lower ends of the left saw blade sliding arm (61) and the right saw blade sliding arm (62) are both provided with sliding rod holes; the left rack connecting rod (45) and the right rack connecting rod (46) can slide in the sliding rod holes of the left and right saw blade sliding arms, respectively.

6. A sawing machine for metal cutting according to claim 5, characterized in that: The supporting clamping frame (7) is provided with a front supporting bracket (71) and a rear supporting bracket (72); the front supporting bracket (71) and the rear supporting bracket (72) are respectively arranged on the front and rear sides of the cutting groove (12); the front supporting bracket (71) and the rear supporting bracket (72) are provided with supporting rollers parallel to each other; the left clamping rod (75) and the right clamping rod (76) are arranged on the front supporting bracket (71) and the rear supporting bracket (72) in parallel to each other; the left clamping rod (75) and the right clamping rod (76) are respectively provided with a left clamping wheel (752) and a right clamping wheel (762) on the opposite sides thereof; the clamping driving motor can drive the left clamping wheel (752) and the right clamping wheel (762) to move relative to each other in the horizontal direction.

7. A sawing machine for metal cutting according to claim 6, characterized in that: Two racks are provided on the corresponding sides of the left clamping rod (75) and the right clamping rod (76); the two racks on the left clamping rod (75) and the right clamping rod (76) are respectively meshed through a main clamping drive gear (77) and a secondary clamping drive gear (79).

8. A sawing machine for metal cutting according to claim 7, characterized in that: The main clamping drive gear (77) is fixed on the output shaft of the clamping drive motor; the clamping drive motor drives the left clamping wheel (752) and the right clamping wheel (762) to move horizontally relative to each other.

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