Plate shearing mechanism for automatic plate shearing machine

Abstract

The utility model discloses a plate shearing mechanism for an automatic plate shearing machine, which relates to the technical field of plate shearing machines and comprises a shell, two rotating rods are rotatably mounted on the inner wall of the shell, and two sliding strips are fixedly mounted on the outer walls of the two rotating rods. The outer walls of the two rotating rods and the outer walls of the four sliding strips are slidably sleeved with four sliding bevel gears and four rotating connecting sleeves, and positioning conveying assemblies are arranged at the bottom ends of the four sliding bevel gears correspondingly. The positioning and conveying assembly comprises a machine shell, a set of conveying rollers are rotationally installed on the inner wall of the machine shell, one ends of the outer walls of the conveying rollers penetrate through the top end of the machine shell, and a chain wheel and chain set is arranged at the top end of the conveying rollers, so that angle correction can be conducted on plates by moving the conveying rollers on the two sides at the same time, and the plates are prevented from inclining; and meanwhile, the plates can be prevented from shaking during shearing, one set of conveying rollers can be driven to rotate at the same time through the chain wheel and chain set, then the plates can be driven to be conveyed, and the cutting efficiency of the plates is improved.

Description

Technical Field

[0001] This utility model relates to the field of shearing machine technology, specifically a shearing mechanism for an automatic shearing machine. Background Technology

[0002] Shearing machines are a type of forging and pressing machinery, mainly used in the metal processing industry. They are widely used in industries such as aviation, light industry, and metallurgy to provide the necessary specialized machinery and complete sets of equipment. When the shearing machine is working, the metal sheet is manually pushed to the shearing mechanism to complete the cutting process.

[0003] In the prior art, such as the shearing mechanism for a shearing machine described in patent number CN218875733U, there is a shearing machine housing, an upper cutter, a lower cutter, and an automatic discharge structure. A discharge platform is mounted on the right side of the shearing machine housing via a hinge. The automatic discharge structure is bolted to the bottom of the discharge platform and the right side of the shearing machine housing. The automatic discharge structure includes a fixing block, a fixing plate bolted to the front of the fixing block, and the left side of the fixing plate bolted to the shearing machine housing. A positioning block is integrally formed on the top left side of the fixing block, and a discharge plate is hinged to the top of the positioning block. This shearing mechanism for a shearing machine features an automatic discharge structure installed at the bottom of the discharge platform on the right side of the shearing machine. After the lower cutter cuts the wood and places it on top of the discharge platform, the automatic discharge structure allows the wood to fall a short distance onto the upper part of the electric conveyor belt for automatic discharge. This not only reduces noise but also protects the cut wood and improves the practicality of the shearing machine.

[0004] While the aforementioned patent can cut the sheet metal, it still has some problems. The patent cannot continuously feed and cut the sheet metal. After cutting, the discharge table needs to be moved to move the sheet metal out. At the same time, since the sheet metal is not positioned before cutting, it may have a certain tilt angle and is prone to shaking during cutting, thus affecting the cutting effect. Therefore, this utility model provides a shearing mechanism for an automatic shearing machine. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a shearing mechanism for an automatic shearing machine. This solves the problem that after cutting, the discharge table needs to be moved to move the board for discharge. Additionally, the lack of board positioning before cutting can lead to a certain tilt angle in the board, and it is prone to shaking during cutting, thus affecting the cutting effect.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a shearing mechanism for an automatic shearing machine, comprising a base, on which a housing is fixedly mounted, the housing having a first space, and two rotating rods rotatably connected to the inner wall of the housing. Two belt conveyors for assisting in the feeding and discharging of sheet metal are symmetrically arranged on both sides of the base along a first direction. Two sliding strips in the same direction as the outer wall of each rotating rod are fixedly mounted. At both ends of the rotating rod's extension direction, two sliding bevel gears are slidably sleeved on the outer walls of each rotating rod and its corresponding two sliding strips. Each sliding bevel gear is fixedly connected to a matching rotating connecting sleeve, which is also sleeved on the outer walls of each rotating rod and its corresponding two sliding strips. A positioning conveying component is provided at the bottom end of each sliding bevel gear.

[0007] The positioning and conveying assembly includes a housing, on the inner wall of which a set of conveying rollers are rotatably mounted. One end of the outer wall of each set of conveying rollers penetrates the top of the housing. A sprocket and chain assembly is provided at the top of the set of conveying rollers, which is used to synchronously drive the set of conveying rollers to rotate.

[0008] Preferably, one of the conveying rollers in a set has a first bevel gear fixedly installed on one end of its outer wall. The first bevel gear meshes with a sliding bevel gear. One end of the outer wall of the conveying rollers in a set is connected by a sprocket and chain assembly. The outer walls of the four rotating connecting sleeves are rotatably connected to connecting plates, and each connecting plate is connected to a housing.

[0009] Preferably, one end of each of the two rotating rods penetrates the outer wall of the housing and is fixedly mounted with a transmission wheel. A belt is fitted onto the two transmission wheels. An L-shaped plate is fixedly mounted on the outer wall of the housing. A motor is fixedly mounted on the outer wall of the L-shaped plate. The output end of the motor penetrates the outer wall of the L-shaped plate and is fixedly connected to the transmission wheel.

[0010] Preferably, electric push rods are fixedly installed on both sides of the inner wall of the base, and connecting brackets are fixedly installed on the output shafts of the two electric push rods. The two ends of the outer wall of each connecting bracket are respectively fixedly connected to the two housings on the same side.

[0011] Preferably, an electro-hydraulic rod is fixedly installed at the top of the housing, and a shearing blade is fixedly installed at the output end of the electro-hydraulic rod. Two guide rods slide through the top of the housing, and the bottom ends of the two guide rods are fixedly connected to the shearing blade. A cutting groove is opened through the top of the base, and the cutting groove is located directly below the shearing blade.

[0012] Preferably, the base has four through-holes, each housing is disposed on the inner wall of the corresponding housing, and a controller is fixedly installed on the outer wall of the housing. The controller is electrically connected to two belt conveyors, two electric push rods, a motor and an electric hydraulic rod respectively.

[0013] Beneficial effects

[0014] This utility model provides a shearing mechanism for an automatic shearing machine. Compared with the prior art, it has the following advantages:

[0015] (1) The automatic shearing machine uses a shearing mechanism. When it is necessary to shear the board, the board is first placed on a belt conveyor on one side. Then, the board is transported to the base and the housing by the belt conveyor. At this time, the board is between the conveyor rollers on both sides. The electric push rods on both sides are turned on. The two electric push rods drive the conveyor rollers on both sides to approach each other. The conveyor rollers contact the edges of the board on both sides. When the board has an inclined angle, the degree of contact between the two sides of the board and the conveyor rollers is different due to the inclination of the board. The contact length or pressure between the inclined side and the conveyor roller is smaller, while the other side is larger. Under the clamping action of the conveyor rollers on both sides, the board will have a rotational tendency, so that the inclination angle of the board gradually decreases and eventually remains horizontal. This avoids the board being cut by the shearing blade at an inclined angle. At the same time, since the conveyor rollers on both sides apply a certain pressure to the board, it can prevent the board from shaking during the cutting.

[0016] (2) The automatic shearing machine uses a shearing mechanism. After the conveyor rollers on both sides position the board, the motor can be turned on. The motor drives two rotating rods to rotate synchronously through two transmission wheels and a belt. When the rotating rods rotate, the slide strip on the outer wall guides the sliding bevel gears and the rotating connecting sleeve to rotate. When the four sliding bevel gears rotate, they drive the four first bevel gears to rotate. The first bevel gears then drive a set of conveyor rollers to rotate simultaneously through the sprocket and chain assembly, thus conveying the board to the underside of the shearing blade. After the board is cut, the conveyor rollers can continue to convey the cut board until it reaches the belt conveyor on the other side, thus completing the continuous feeding and cutting of the board and improving the cutting efficiency of the board. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a cross-sectional view of the shell of this utility model;

[0019] Figure 3 This is a schematic diagram of the relevant structure of the base of this utility model;

[0020] Figure 4 This is a schematic diagram of the relevant structure of the two rotating rods of this utility model;

[0021] Figure 5 For the present utility model Figure 4 Enlarged view of point A in the middle.

[0022] In the diagram: 1. Base; 2. Housing; 3. Rotating rod; 4. Sliding bar; 5. L-shaped plate; 6. Transmission wheel; 7. Belt; 8. Motor; 9. Positioning and conveying assembly; 91. Machine housing; 92. Conveying roller; 93. Sprocket and chain assembly; 94. First bevel gear; 10. Connecting plate; 11. Rotating connecting sleeve; 12. Sliding bevel gear; 13. Connecting frame; 14. Moving groove; 15. Cutting groove; 16. Electric push rod; 17. Controller; 18. Electro-hydraulic rod; 19. Guide rod; 20. Shearing blade; 21. Belt conveyor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] This utility model provides two technical solutions:

[0025] Figures 1-5 The first embodiment is shown: a shearing mechanism for an automatic shearing machine, including a base 1, a housing 2 fixedly mounted on the base 1, a first space inside the housing 2, and two rotating rods 3 disposed within the first space. The rotating rods 3 are rotatably connected to the inner wall of the housing 2. Two belt conveyors 21 for assisting in the feeding and discharging of sheet metal are symmetrically arranged on both sides of the base 1 along a first direction. The belt conveyors 21 are prior art, driven by a drive device to rotate a drive roller. The friction between the drive roller and the conveyor belt causes the conveyor belt to move, which can feed the sheet metal and convey the cut sheet metal out. Two slide bars 4 with the same extension direction are fixedly installed on the outer wall of each rotating rod 3. Along the two ends of the extension direction of the rotating rod, two sliding bevel gears 12 are slidably sleeved on the outer wall of each rotating rod 3 and the two corresponding slide bars 4. Each sliding bevel gear 12 is fixedly connected to a rotating connecting sleeve 11 that is adapted to it. The rotating connecting sleeve 11 is also sleeved on the outer wall of each rotating rod 3 and the two corresponding slide bars 4. When the rotating rod 3 rotates, the slide bars 4 on the outer wall guide the sliding bevel gears 12 and the rotating connecting sleeves 11 to rotate. Each sliding bevel gear 12 is provided with a positioning and conveying component 9 at its bottom end.

[0026] The positioning and conveying assembly 9 includes a housing 91. A set of conveying rollers 92 are rotatably mounted on the inner wall of the housing 91. One end of the outer wall of each set of conveying rollers 92 passes through the top of the housing 91. A sprocket and chain assembly 93 is provided at the top of the set of conveying rollers 92. The sprocket and chain assembly 93 is used to synchronously drive the set of conveying rollers 92 to rotate. The sprocket and chain assembly 93 is existing technology and mainly consists of sprockets and chains, used to transmit power.

[0027] One of the conveyor rollers 92 has a first bevel gear 94 fixedly installed on one end of its outer wall. The first bevel gear 94 meshes with the sliding bevel gear 12. One end of the outer wall of the conveyor rollers 92 is connected by a sprocket and chain assembly 93. When the sliding bevel gear 12 rotates, it can drive the first bevel gear 94 to rotate. The first bevel gear 94 drives the conveyor rollers 92 to rotate simultaneously through the sprocket and chain assembly 93, so that the conveyor rollers 92 on both sides rotate in opposite directions, which can convey the plate. The outer walls of the four rotating connecting sleeves 11 are rotatably connected to connecting plates 10. Each connecting plate 10 is connected to a housing 91. When the housing 91 moves, it can drive the rotating connecting sleeves 11 and the sliding bevel gear 12 to move simultaneously through the connecting plates 10. Since the connecting plates 10 are rotatably connected to the rotating connecting sleeves 11, the rotating connecting sleeves 11 will not interfere with the connecting plates 10 when they rotate.

[0028] One end of each of the two rotating rods 3 passes through the outer wall of the housing 2 and is fixedly mounted with a transmission wheel 6. A belt 7 is fitted on the two transmission wheels 6. An L-shaped plate 5 is fixedly mounted on the outer wall of the housing 2. A motor 8 is fixedly mounted on the outer wall of the L-shaped plate 5. The output end of the motor 8 passes through the outer wall of the L-shaped plate 5 and is fixedly connected to the transmission wheel 6. The motor 8 can drive the two rotating rods 3 to rotate simultaneously through the transmission wheel 6 and the belt 7.

[0029] Figures 1-5 The second embodiment is shown. The main difference from the first embodiment is that electric push rods 16 are fixedly installed on both sides of the inner wall of the base 1. The output shafts of the two electric push rods 16 are fixedly installed with connecting frames 13. The two ends of the outer wall of each connecting frame 13 are fixedly connected to the two housings 91 on the same side. The electric push rods 16 are existing technology. The electric push rods 16 can drive the two housings 91 to move simultaneously through the connecting frames 13.

[0030] An electro-hydraulic rod 18 is fixedly installed at the top of the housing 2. A shearing blade 20 is fixedly installed at the output end of the electro-hydraulic rod 18. Two guide rods 19 slide through the top of the housing 2. The electro-hydraulic rod 18 is existing technology and can drive the shearing blade 20 to move downwards. The guide rods 19 provide precise guidance for the up-and-down movement of the shearing blade 20. When the electro-hydraulic rod 18 pushes the shearing blade 20 to perform the cutting operation, the guide rods 19 ensure that the shearing blade 20 moves stably in the vertical direction. The bottom ends of the two guide rods 19 are fixedly connected to the shearing blade 20. A cutting groove 15 is opened through the top of the base 1. The cutting groove 15 is located directly below the shearing blade 20 and provides a suitable cutting space for the shearing blade 20. When the electro-hydraulic rod 18 pushes the shearing blade 20 downwards, the cutting groove 15 can accommodate the shearing blade 20, ensuring that the shearing blade 20 can completely penetrate the board for cutting. Since there are conveying rollers 92 on both sides of the shearing blade 20, the conveying rollers 92 can transport the cut board.

[0031] Four moving slots 14 are formed through the base 1. Each housing 91 is mounted on the inner wall of the corresponding moving slot 14, allowing the housing 91 to move within the slot, enabling the conveyor roller 92 to contact the sheet metal. A controller 17 is fixedly installed on the outer wall of the housing 2. The controller 17 is electrically connected to two belt conveyors 21, two electric push rods 16, a motor 8, and an electro-hydraulic rod 18. The controller 17 is existing technology and automates the entire shearing process. It can automatically control the feeding speed of the belt conveyors 21, the conveying and positioning of the conveyor roller 92, and the cutting action of the electro-hydraulic rod 18 according to preset programs and parameters. This eliminates the need for frequent manual intervention in each step when processing large quantities of sheet metal, significantly accelerating production speed.

[0032] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0033] During operation, when shearing of the sheet material is required, the sheet material is first placed on the belt conveyor 21 on one side, and then conveyed into the base 1 and housing 2 by the belt conveyor 21. At this time, the sheet material is between the conveyor rollers 92 on both sides. The electric push rods 16 on both sides are activated, and the two electric push rods 16 drive the conveyor rollers 92 on both sides to move closer to each other. At this time, the sliding bevel gear 12 and the rotating connecting sleeve 11 will move together with the conveyor rollers 92 through the connecting plate 10. Then the conveyor rollers 92 contact the two side edges of the sheet material. When the sheet material has an inclined angle, due to the inclination of the sheet material, the two sides of the sheet material contact the conveyor rollers 92. Due to varying degrees of inclination, the contact length or pressure between the inclined side and the conveyor roller 92 is smaller, while that on the other side is larger. Under the clamping action of the two conveyor rollers 92, the board will have a tendency to rotate, causing the inclination angle of the board to gradually decrease and eventually remain horizontal. This prevents the board from being cut by the shear blade 20 at an inclination angle. At the same time, since the two conveyor rollers 92 apply a certain pressure to the board, it can prevent the board from shaking during cutting. After the two conveyor rollers 92 have positioned the board, the motor 8 can be turned on. The motor 8 drives the two rotating rods 3 to rotate synchronously through the two transmission wheels 6 and the belt 7. When the rotating rod 3 rotates, the sliding strip 4 on the outer wall guides the sliding bevel gear 12 and the rotating connecting sleeve 11 to rotate. When the four sliding bevel gears 12 rotate, they in turn drive the four first bevel gears 94 to rotate. The first bevel gears 94 then drive a set of conveyor rollers 92 to rotate simultaneously through the sprocket and chain group 93, so that the board can be conveyed downwards to the shearing blade 20. When the board moves to the appropriate position, the electric hydraulic rod 18 is activated. The electric hydraulic rod 18 drives the shearing blade 20 to move downwards to cut the board below. After the board is cut, the conveyor rollers 92 can continue to convey the cut board until the board reaches the belt conveyor 21 on the other side, thus completing the continuous feeding and cutting of the board and improving the cutting efficiency of the board.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A shearing mechanism for an automatic shearing machine, comprising a base (1), characterized in that: A housing (2) is fixedly installed on the base (1). The housing (2) has a first space. Two rotating rods (3) are provided in the first space. The rotating rods (3) are rotatably connected to the inner wall of the housing (2). Two belt conveyors (21) for assisting the feeding and discharging of the plate are symmetrically arranged on both sides of the base (1) along the first direction. Two slide bars (4) with the same extension direction are fixedly installed on the outer wall of each rotating rod (3). Two sliding bevel gears (12) are slidably sleeved on the outer wall of each rotating rod (3) and the two corresponding slide bars (4) at both ends along the extension direction of the rotating rod. Each sliding bevel gear (12) is fixedly connected to a rotating connecting sleeve (11) that is adapted to it. The rotating connecting sleeve (11) is also sleeved on the outer wall of each rotating rod (3) and the two corresponding slide bars (4). A positioning conveying component (9) is provided at the bottom end of each sliding bevel gear (12). The positioning and conveying assembly (9) includes a housing (91). A set of conveying rollers (92) are rotatably mounted on the inner wall of the housing (91). One end of the outer wall of each set of conveying rollers (92) penetrates the top of the housing (91). A sprocket and chain assembly (93) is provided at the top of the set of conveying rollers (92). The sprocket and chain assembly (93) is used to synchronously drive the set of conveying rollers (92) to rotate.

2. The shearing mechanism for an automatic shearing machine according to claim 1, characterized in that: One of the conveying rollers (92) is fixedly mounted on one end of its outer wall. The first bevel gear (94) meshes with the sliding bevel gear (12). One end of the outer wall of the conveying rollers (92) is connected by a sprocket and chain assembly (93). The outer walls of the four rotating connecting sleeves (11) are rotatably connected to connecting plates (10). Each connecting plate (10) is connected to a housing (91).

3. The shearing mechanism for an automatic shearing machine according to claim 1, characterized in that: One end of each of the two rotating rods (3) penetrates the outer wall of the housing (2) and is fixedly mounted with a transmission wheel (6). A belt (7) is fitted on the two transmission wheels (6). An L-shaped plate (5) is fixedly mounted on the outer wall of the housing (2). A motor (8) is fixedly mounted on the outer wall of the L-shaped plate (5). The output end of the motor (8) penetrates the outer wall of the L-shaped plate (5) and is fixedly connected to the transmission wheel (6).

4. The shearing mechanism for an automatic shearing machine according to claim 2, characterized in that: Electric push rods (16) are fixedly installed on both sides of the inner wall of the base (1). The output shafts of the two electric push rods (16) are fixedly installed with connecting brackets (13). The two ends of the outer wall of each connecting bracket (13) are fixedly connected to the two housings (91) on the same side.

5. The shearing mechanism for an automatic shearing machine according to claim 4, characterized in that: An electric hydraulic rod (18) is fixedly installed at the top of the housing (2), and a shearing blade (20) is fixedly installed at the output end of the electric hydraulic rod (18). Two guide rods (19) slide through the top of the housing (2), and the bottom ends of the two guide rods (19) are fixedly connected to the shearing blade (20). A cutting groove (15) is opened through the top of the base (1), and the cutting groove (15) is located directly below the shearing blade (20).

6. The shearing mechanism for an automatic shearing machine according to claim 5, characterized in that: The base (1) has four moving slots (14) through it. Each housing (91) is set on the inner wall of the corresponding moving slot (14). The outer wall of the housing (2) is fixedly installed with a controller (17). The controller (17) is electrically connected to two belt conveyors (21), two electric push rods (16), a motor (8) and an electric hydraulic rod (18).

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