Plate fixing device

Abstract

The utility model belongs to the technical field of plate shearing and fixing, and particularly relates to a plate fixing device which comprises a base. A roller seat is fixedly installed in the center of the upper portion of the base, a plurality of rotating rollers are arranged in the roller seat in parallel and rotate in a matched mode through a conveying belt, two sliding rails are arranged on the two sides of the roller seat in parallel and fixedly installed on the upper portion of the base, and sliding tables are arranged on the two sides of the upper portion of the base and slidably installed on the sliding rails. Positioning seats are fixedly mounted on the outer sides of the upper parts of the sliding tables, a plurality of rollers are arranged in the positioning seats in parallel, the rollers are rotationally mounted in the positioning seats through rotating shafts, the lower ends of the rollers penetrate through the base and are rotationally provided with connecting rods, a fixed support is fixedly mounted on the upper part of one end of the base, and a pressing plate is arranged in the fixed support; through the design of the device, accurate positioning and stable fixing of the plate before shearing are achieved, movement and deflection of the plate in the shearing process are effectively avoided, and therefore the shearing precision and the finished product quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal shearing and fixing, in particular to a sheet metal fixing device. Background Technique

[0002] Sheet metal is a material widely used in metal processing and manufacturing industries, and its processing methods are diverse, including various processes such as shearing, cutting, bending, stamping, etc. During the sheet metal shearing process, it is necessary to fix the sheet metal through a fixing device, and then use a shearing machine to cut the sheet metal into different lengths.

[0003] The principle of the fixing device of the shearing machine is to fix the sheet metal by applying appropriate clamping force, positioning force and blank holding force to ensure that it remains stable and immovable during the shearing process.

[0004] The existing shearing machines cannot fix the sheet metal during shearing, and the sheet metal is prone to position movement during shearing, resulting in deviation of shearing accuracy and affecting the processing quality of the sheet metal; therefore, a sheet metal fixing device is proposed for the above problems. Content of the Utility Model

[0005] In order to make up for the deficiencies of the existing technology, the existing shearing machines cannot fix the sheet metal during shearing, and the sheet metal is prone to position movement during shearing, resulting in deviation of shearing accuracy and affecting the processing quality of the sheet metal. The utility model proposes a sheet metal fixing device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a sheet metal fixing device described in the utility model includes a base; a roller seat is fixedly installed in the center of the upper part of the base, a plurality of rotating rollers are arranged in parallel inside the roller seat, both ends of the rotating rollers are rotatably installed in the roller seat through bearings, the rotating rollers are cooperatively rotated through a conveyor belt, two slide rails are arranged in parallel on both sides of the roller seat and fixedly installed on the upper part of the base, slide tables are arranged on both sides of the upper part of the base and slidably installed on the slide rails, slide holes are opened on both sides of the upper part of the base, the slide holes are arranged between the slide rails, positioning seats are fixedly installed on the outer sides of the upper parts of the slide tables, a plurality of rollers are arranged in parallel inside the positioning seats, the rollers are rotatably installed in the positioning seats through rotating shafts, a fixed shaft is fixedly installed in the center of the bottom of the slide table, the fixed shaft is slidably arranged in the slide hole and the lower end penetrates through the base and is rotatably installed with a connecting rod, a fixed bracket is fixedly installed on the upper part of one end of the base, chutes are opened on the inner sides of the two columns on both sides of the fixed bracket, a pressing plate is arranged inside the fixed bracket, both ends of the pressing plate are slidably installed in the chutes, a shearing mechanism is arranged on one side of the fixed bracket and fixedly installed on the upper part of the base. Through the mutual cooperation of the pressing plate and the positioning seat, precise positioning and stable fixing of the sheet metal before shearing are realized, effectively avoiding the movement and skew of the sheet metal during the shearing process, thereby improving the shearing accuracy and the finished product quality.

[0007] Preferably, one end of the rotating roller inside the feeding end of the roller seat penetrates through the roller seat, and a motor is arranged below and fixedly installed at the bottom of the base. Rotating wheels are fixedly installed at the front ends of the rotating roller and the motor rotating shaft respectively. The rotating wheels are rotationally matched through a belt. By fixedly installing the motor at the bottom of the base, the rotation of the rotating roller is directly driven, reducing the complexity of power transmission and improving the transmission efficiency.

[0008] Preferably, support rods are fixedly installed at the four corners of the center of the bottom of the base. Fixing plates are fixedly installed at the bottoms of the support rods. A connecting shaft is rotatably installed at the center of the fixing plate. Both ends of the connecting shaft penetrate through the fixing plate. One end of the connecting shaft is fixedly installed with an adjusting rod, and the other end is fixedly installed with a gear. The other ends of the connecting rods are respectively rotatably installed at both ends of the adjusting rod. By rotating the adjusting rod, the sliding table is driven to move to position both sides of the plate.

[0009] Preferably, a clamping groove is arranged on one side of the gear and fixedly installed at the bottom of the fixing plate. A rack is slidably installed in the clamping groove. A second cylinder is arranged at one end of the clamping groove and fixedly installed at the bottom of the fixing plate. The piston rod of the second cylinder is fixedly connected with one end of the rack. The teeth on the gear mesh with the tooth grooves on the rack. By the cooperation of the gear and the rack, the rotation angle of the adjusting plate is controlled to position plates with different widths.

[0010] Preferably, hydraulic cylinders are fixedly installed on both sides of the top of the fixed bracket. A push plate is fixedly installed at the front end of the hydraulic rod of the hydraulic cylinder. The push plate is slidably arranged inside the fixed bracket. A plurality of through holes are formed in the upper part of the push plate. Limit rods are slidably installed in the through holes. The lower ends of the limit rods are fixedly connected to the top of the pressing plate. A plurality of springs are arranged between the push plate and the pressing plate and are all sleeved on the limit rods. The stable pressure provided by the hydraulic cylinder is transmitted to the pressing plate through the push plate, realizing the stable pressing of the plate. At the same time, the setting of the springs plays a buffering role, capable of absorbing the impact force between the plate and the pressing plate and protecting the plate and the device from damage.

[0011] Preferably, an adjusting bracket is arranged outside the shearing mechanism and fixedly installed on the end face at one end of the base. A first cylinder is fixedly installed on the adjusting bracket. The piston rod of the first cylinder is fixedly connected with a positioning table. The positioning table is slidably installed inside the adjusting bracket. By setting the combination of the first cylinder and the positioning table installed on the adjusting bracket, the precise adjustment of the shearing position is realized.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. When using a plate shearing machine to shear a plate, the present utility model fixes the plate with a fixing device, starts the second cylinder to push the rack to slide in the card slot, the rack drives the gear to rotate, the gear drives the adjusting plate to rotate through the connecting shaft, the adjusting plate drives the fixed shaft to slide in the sliding hole through the connecting plate, and at the same time the fixed shaft drives the sliding table to move, adjusts the distance between the two sliding tables to be the same as the width of the plate, places the plate on the upper part of the base, starts the motor to drive the rotating roller and the conveyor belt to rotate, the conveyor belt drives the plate to move under the action of friction, starts the first cylinder to push the positioning table to slide in the adjusting bracket, positions the cutting position of the plate directly below the blade of the shearing mechanism. When one end of the plate moves to the positioning table, starts the hydraulic cylinder to push the pressing plate to descend through the push plate to fix the plate, and then shears the plate through the shearing mechanism. The structural design realizes the function of preventing the plate from shifting during shearing, solves the problem that the existing shearing machine cannot fix the plate during shearing, the plate is prone to position movement during shearing, resulting in deviation of shearing accuracy and affecting the processing quality of the plate, and improves the processing quality of the plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to these drawings.

[0015] Figure 1 Schematic diagram of the feeding end structure of the fixing device;

[0016] Figure 2 Schematic diagram of the discharging end structure of the fixing device;

[0017] Figure 3 Schematic diagram of the side view structure of the fixing device;

[0018] Figure 4 Schematic diagram of the driving device structure;

[0019] Figure 5 Schematic diagram of the adjusting device structure.

[0020] In the figure: 1, base; 2, roller seat; 3, rotating roller; 4, conveyor belt; 5, slide rail; 6, slide table; 7, positioning seat; 8, roller; 9, fixing bracket; 10, hydraulic cylinder; 11, push plate; 12, limit rod; 13, spring; 14, pressing plate; 15, shearing mechanism; 16, adjusting bracket; 17, first cylinder; 18, positioning table; 19, motor; 20, rotating wheel; 21, belt; 22, fixed shaft; 23, connecting rod; 24, adjusting rod; 25, support rod; 26, fixing plate; 27, connecting shaft; 28, gear; 29, card slot; 30, rack; 31, second cylinder. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-5As shown in the figure, a plate fixing device includes a base 1; a roller seat 2 is fixedly installed in the center of the upper part of the base 1. A plurality of rotating rollers 3 are arranged in parallel inside the roller seat 2. Both ends of the rotating roller 3 are rotatably installed in the roller seat 2 through bearings. The rotating rollers 3 are cooperatively rotated through a conveyor belt 4. Two slide rails 5 are arranged in parallel on both sides of the roller seat 2 and are fixedly installed on the upper part of the base 1. Slide tables 6 are arranged on both sides of the upper part of the base 1 and are slidably installed on the slide rails 5. Slide holes are opened on both sides of the upper part of the base 1, and the slide holes are arranged between the slide rails 5. Positioning seats 7 are fixedly installed on the outer sides of the upper parts of the slide tables 6. A plurality of rollers 8 are arranged in parallel inside the positioning seats 7. The rollers 8 are all rotatably installed in the positioning seats 7 through rotating shafts. A fixed shaft 22 is fixedly installed in the center of the bottom of the slide table 6. The fixed shaft 22 is slidably arranged in the slide hole and the lower end penetrates through the base 1 and is rotatably installed with a connecting rod 23. A fixed bracket 9 is fixedly installed on the upper part of one end of the base 1. Chute grooves are opened on the inner sides of the two struts on both sides of the fixed bracket 9. A pressing plate 14 is arranged inside the fixed bracket 9. Both ends of the pressing plate 14 are slidably installed in the chute grooves. A shearing mechanism 15 is arranged on one side of the fixed bracket 9 and is fixedly installed on the upper part of the base 1; during operation, when using a plate shearing machine to shear a plate, the fixing device is used to fix the plate. The second cylinder 31 is started to drive the fixed shaft 22 to slide in the slide hole through the connecting rod 23. The fixed shaft 22 drives the slide table 6 to move towards both sides of the roller seat 2 on the slide rail 5. The distance between the two slide tables 6 is adjusted according to the width of the plate. The plate is placed on the upper part of the base 1. The middle part of the plate is placed on the conveyor belt 4, and both sides are respectively placed on the upper parts of the slide tables 6. At the same time, both sides of the plate are positioned through the rollers 8 in the positioning seats 7. The motor 19 is started to drive the rotating roller 3 to rotate. The rotating roller 3 drives the conveyor belt 4 to rotate, driving the plate to move. One end of the plate passes through the fixed bracket 9 and the shearing mechanism 15. The first cylinder 17 is started. The piston rod of the first cylinder 17 pushes the positioning table 18 to slide in the adjusting bracket 16. The horizontal distance between the positioning table 18 and the blade edge in the shearing mechanism 15 is adjusted so that when one end of the plate moves to the positioning table 18, the shearing position is exactly directly below the blade edge. The hydraulic cylinder 10 is started. The hydraulic rod of the hydraulic cylinder 10 pushes the push plate 11 to descend. The push plate 11 pushes the pressing plate 14 to slide and descend in the fixed bracket 9 through the limiting rod 12 and the spring 13 to fix the plate, and then the plate is sheared through the shearing mechanism 15.

[0023] One end of the rotating roller 3 penetrates through the feeding end of the roller seat 2, and a motor 19 is arranged below and fixedly installed at the bottom of the base 1. Rotating wheels 20 are fixedly installed at the front ends of the rotating shafts of the rotating roller 3 and the motor 19 respectively. The rotating wheels 20 are rotationally matched through a belt 21. During operation, when using a shearing machine to shear a plate, a fixing device is used to fix the plate. The motor 19 is started to drive the rotating wheel 20 to rotate. The rotating wheel 20 drives the rotating roller 3 to rotate in one end of the roller seat 2 through the cooperation of the belt 21. The rotating roller 3 drives the conveyor belt 4 to rotate through the cooperation of other rotating rollers 3, so as to automatically feed the plate.

[0024] Four corners at the center of the bottom of the base 1 are fixedly installed with support rods 25 respectively. The bottom of the support rods 25 is fixedly installed with a fixing plate 26. A connecting shaft 27 is rotatably installed at the center of the fixing plate 26. Both ends of the connecting shaft 27 penetrate through the fixing plate 26. One end of the connecting shaft 27 is fixedly installed with an adjusting rod 24, and the other end is fixedly installed with a gear 28. The other ends of the connecting rods 23 are respectively rotatably installed at both ends of the adjusting rod 24. During operation, when using a shearing machine to shear a plate, a fixing device is used to fix the plate. The gear 28 rotates to drive the connecting shaft 27 to rotate in the fixing plate 26. The connecting shaft 27 drives the adjusting rod 24 to rotate. Both ends of the adjusting rod 24 drive the connecting rods 23 to pull the fixing shaft 22 to slide in the sliding holes. At the same time, the fixing shaft 22 drives the sliding table 6 to move, so as to position both sides of plates with different widths.

[0025] A clamping groove 29 is arranged on one side of the gear 28 and fixedly installed at the bottom of the fixing plate 26. A rack 30 is slidably installed in the clamping groove 29. A second cylinder 31 is arranged at one end of the clamping groove 29 and fixedly installed at the bottom of the fixing plate 26. The piston rod of the second cylinder 31 is fixedly connected with one end of the rack 30. The teeth on the gear 28 and the tooth grooves on the rack 30 are meshed with each other. During operation, when using a shearing machine to shear a plate, a fixing device is used to fix the plate. The second cylinder 31 is started. The piston rod of the second cylinder 31 pushes the rack 30 to slide in the clamping groove 29. The rack 30 drives the gear 28 to rotate through meshing. The gear 28 drives the adjusting rod 24 to rotate, driving the sliding table 6 to slide, so as to position both sides of the plate.

[0026] Both sides of the top of the fixed bracket 9 are fixedly installed with hydraulic cylinders 10. The front end of the hydraulic rod of the hydraulic cylinder 10 is fixedly installed with a push plate 11. The push plate 11 is slidably arranged inside the fixed bracket 9. A plurality of through holes are formed in the upper part of the push plate 11. Limiting rods 12 are slidably installed in the through holes. The lower ends of the limiting rods 12 are fixedly connected to the top of the pressing plate 14. A plurality of springs 13 are arranged between the push plate 11 and the pressing plate 14 and are all sleeved on the limiting rods 12. During operation, when using a plate shearing machine to shear a plate, a fixing device is used to fix the plate. The hydraulic cylinder 10 is started, and the hydraulic rod of the hydraulic cylinder 10 pushes the push plate 11 to descend. The push plate 11 pushes the pressing plate 14 to slide and descend in the fixed bracket 9 through the limiting rods 12 and the springs 13 to fix the plate.

[0027] An adjusting bracket 16 is arranged outside the shearing mechanism 15 and is fixedly installed on the end face of one end of the base 1. A first cylinder 17 is fixedly installed on the adjusting bracket 16. The front end of the piston rod of the first cylinder 17 is fixedly connected to a positioning table 18. The positioning table 18 is slidably installed inside the adjusting bracket 16. During operation, when using a plate shearing machine to shear a plate, a fixing device is used to fix the plate. The first cylinder 17 is started, and the piston rod of the first cylinder 17 pushes the positioning table 18 to slide inside the adjusting bracket 16 to adjust the horizontal distance between the positioning table 18 and the blade edge of the blade in the shearing mechanism 15, so that when one end of the plate moves onto the positioning table 18, the shearing position is exactly right below the blade edge.

[0028] Working principle: When using a plate shearing machine to shear a plate, a fixing device is used to fix the plate. The second cylinder 31 is started to drive the fixed shaft 22 to slide in the sliding hole through the connecting rod 23. The fixed shaft 22 drives the sliding table 6 to move towards both sides of the roller seat 2 on the slide rail 5. The distance between the two sliding tables 6 is adjusted according to the width of the plate. The plate is placed on the upper part of the base 1. The middle part of the plate is placed on the conveyor belt 4, and both sides are respectively placed on the upper parts of the sliding tables 6. At the same time, both sides of the plate are positioned by the rollers 8 in the positioning seats 7. The motor 19 is started to drive the rotating roller 3 to rotate. The rotating roller 3 drives the conveyor belt 4 to rotate to drive the plate to move. One end of the plate passes through the fixed bracket 9 and the shearing mechanism 15. The first cylinder 17 is started, and the piston rod of the first cylinder 17 pushes the positioning table 18 to slide inside the adjusting bracket 16 to adjust the horizontal distance between the positioning table 18 and the blade edge of the blade in the shearing mechanism 15, so that when one end of the plate moves onto the positioning table 18, the shearing position is exactly right below the blade edge. The hydraulic cylinder 10 is started, and the hydraulic rod of the hydraulic cylinder 10 pushes the push plate 11 to descend. The push plate 11 pushes the pressing plate 14 to slide and descend in the fixed bracket 9 through the limiting rods 12 and the springs 13 to fix the plate. Then, the plate is sheared by the shearing mechanism 15.

[0029] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A plate fixing device, characterized in that: It includes a base (1); a roller seat (2) is fixedly installed at the center of the upper part of the base (1). A plurality of rotating rollers (3) are arranged in parallel inside the roller seat (2). Both ends of the rotating roller (3) are rotatably installed in the roller seat (2) through bearings. The rotating rollers (3) are cooperatively rotated through a conveyor belt (4). Two slide rails (5) are arranged in parallel on both sides of the roller seat (2) and are fixedly installed on the upper part of the base (1). Slide tables (6) are arranged on both sides of the upper part of the base (1) and are slidably installed on the slide rails (5). Slide holes are formed on both sides of the upper part of the base (1), and the slide holes are arranged between the slide rails (5). Positioning seats (7) are fixedly installed on the outer sides of the upper parts of the slide tables (6). A plurality of rollers (8) are arranged in parallel inside the positioning seats (7). The rollers (8) are all rotatably installed in the positioning seats (7) through rotating shafts. A fixed shaft (22) is fixedly installed at the center of the bottom of the slide table (6). The fixed shaft (22) is slidably arranged in the slide hole and its lower end penetrates through the base (1) and is rotatably installed with a connecting rod (23). A fixed bracket (9) is fixedly installed at the upper part of one end of the base (1). Chute grooves are formed on the inner sides of the two columns on both sides of the fixed bracket (9). A pressing plate (14) is arranged inside the fixed bracket (9). Both ends of the pressing plate (14) are slidably installed in the chute grooves. A shearing mechanism (15) is arranged on one side of the fixed bracket (9) and is fixedly installed on the upper part of the base (1).

2. The plate fixing device according to claim 1, characterized in that: One end of the rotating roller (3) at the feeding end inside the roller seat (2) penetrates through the roller seat (2), and a motor (19) is arranged below and is fixedly installed at the bottom of the base (1). Rotating wheels (20) are fixedly installed at the front ends of the rotating shafts of the rotating roller (3) and the motor (19). The rotating wheels (20) are cooperatively rotated through a belt (21).

3. The plate fixing device according to claim 1, characterized in that: Support rods (25) are fixedly installed at the four corners of the center of the bottom of the base (1). Fixing plates (26) are fixedly installed at the bottoms of the support rods (25). A connecting shaft (27) is rotatably installed at the center of the fixing plate (26). Both ends of the connecting shaft (27) penetrate through the fixing plate (26). One end of the connecting shaft (27) is fixedly installed with an adjusting rod (24), and the other end is fixedly installed with a gear (28). The other ends of the connecting rods (23) are respectively rotatably installed at both ends of the adjusting rod (24).

4. The plate fixing device according to claim 3, characterized in that: A clamping groove (29) is arranged on one side of the gear (28) and is fixedly installed at the bottom of the fixing plate (26). A rack (30) is slidably installed in the clamping groove (29). A second air cylinder (31) is arranged at one end of the clamping groove (29) and is fixedly installed at the bottom of the fixing plate (26). The piston rod of the second air cylinder (31) is fixedly connected to one end of the rack (30). The teeth on the gear (28) are meshed with the tooth grooves on the rack (30).

5. The plate fixing device according to claim 1, characterized in that: On both sides of the top of the fixed bracket (9), hydraulic cylinders (10) are fixedly installed. At the front end of the hydraulic rod of the hydraulic cylinder (10), a push plate (11) is fixedly installed. The push plate (11) is slidably arranged inside the fixed bracket (9). A plurality of through holes are formed in the upper part of the push plate (11), and limiting rods (12) are slidably installed in the through holes. The lower ends of the limiting rods (12) are fixedly connected to the top of the pressing plate (14). A plurality of springs (13) are arranged between the push plate (11) and the pressing plate (14) and are sleeved on the limiting rods (12).

6. A plate fixing device according to claim 1, characterized in that: An adjusting bracket (16) is arranged outside the shearing mechanism (15) and is fixedly installed on the end face of one end of the base (1). A first cylinder (17) is fixedly installed on the adjusting bracket (16). The front end of the piston rod of the first cylinder (17) is fixedly connected to a positioning table (18). The positioning table (18) is slidably installed inside the adjusting bracket (16).

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