A plate shearing mechanism of a plate shearing machine

Abstract

The utility model discloses a plate shearing mechanism of plate shearing machine relates to plate shearing machine technical field. Including: outer frame, two fixed blocks, lower tool holder, lower blade, upper tool holder, upper blade, auxiliary pair mechanism, two drive cylinders, two limit sliding holes and two limit sliding rods, two fixed blocks are fixedly connected in the inner chamber of outer frame symmetry, and the top of lower tool holder is fixedly installed to lower blade, and the front of upper tool holder is fixedly installed to upper blade, and the below of auxiliary pair mechanism is arranged to upper tool holder, and auxiliary pair mechanism is used for completing the tool setting work above lower blade, and avoids the phenomenon that upper blade and lower blade appear to collide with the sword. The plate shearing mechanism of plate shearing machine utilizes the mutual cooperation between fixed auxiliary assembly and adjustable auxiliary assembly, and can be realized in the above lower blade and carries out the tool setting work through fixed installation cylinder, laser pen no.

Description

Technical Field

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

[0002] A shearing machine is a mechanical device used for shearing and processing metal sheets. It is widely used in automobile manufacturing, shipbuilding, pressure vessels and other fields. The shearing machine applies shearing force to the sheet through the relative movement of the upper and lower blades, so that the sheet is separated into predetermined dimensions. Shearing machines can be divided into mechanical shearing machines and hydraulic shearing machines according to the driving method. The former uses flywheel transmission and has a fast shearing speed, while the latter is driven by a hydraulic system, which has a stable shearing force and is suitable for thick plate processing.

[0003] The shearing mechanism of a shearing machine typically consists of upper and lower blades, a drive assembly, and a supporting frame. When changing the upper blade, the alignment of the upper and lower blades is a crucial step. The conventional operation requires manipulating the drive assembly to gradually bring the upper blade closer to the lower blade. However, if the upper and lower blades are too close during this process, operational errors can easily cause the improperly aligned upper blade to collide with the lower blade, leading to blade damage. Therefore, a shearing mechanism for the shearing machine is needed to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a shearing mechanism for a shearing machine, which solves the problem that the upper and lower blades are too close together during the blade setting step, making it easy for the upper blade to collide with the lower blade due to operational errors, thus reducing the probability of the upper blade colliding with the lower blade.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a shearing mechanism for a shearing machine, comprising:

[0006] outer frame;

[0007] Two fixing blocks are symmetrically and fixedly connected to the inner cavity of the outer frame;

[0008] The lower tool holder and the lower blade are fixedly connected between two fixed blocks, and the lower blade is fixedly installed on the top of the lower tool holder.

[0009] The upper blade holder and the upper blade are located above the lower blade. The upper blade is fixedly installed on the front of the upper blade holder and is used to cooperate with the lower blade to perform shearing work.

[0010] An auxiliary alignment mechanism is provided below the upper tool holder. The auxiliary alignment mechanism is used to complete the tool alignment work above the lower tool to avoid the upper and lower tool colliding.

[0011] Two drive cylinders are symmetrically mounted on the top of the outer frame. The output ends of the two drive cylinders pass through the top of the outer frame and are fixedly connected to the top of the upper tool holder. The drive cylinders are used to drive the upper tool holder and the upper blade to move in the vertical direction.

[0012] Two limiting sliding holes and two limiting sliding rods are provided. The two limiting sliding holes are symmetrically opened on the top of the upper tool holder, and the two limiting sliding rods are fixedly connected to the top of the corresponding fixed block. The two limiting sliding holes and the outer wall of the corresponding limiting sliding rods are slidably sleeved. The limiting sliding holes and limiting sliding rods are used to enable the upper tool holder and the upper blade to move smoothly.

[0013] Preferably, the auxiliary mechanism includes:

[0014] A fixed auxiliary assembly is disposed on one side of the lower tool holder;

[0015] An adjustment component is provided on the other side of the lower tool holder, and the adjustment component is used to enable the adjustment mechanism to be adapted to tools of different thicknesses.

[0016] Preferably, the auxiliary component includes:

[0017] A fixed mounting cylinder is fixedly inserted and connected to one side of the outer frame and one of the fixed blocks;

[0018] Laser pointer one, wherein the laser pointer one is disposed in the inner cavity of the fixed mounting cylinder, and the edge of the beam emitted by the laser pointer one is parallel to the working surface of the lower blade;

[0019] A light-transmitting hole one is provided at one end of the fixed mounting cylinder;

[0020] A sealing plug is provided, which is embedded in the inner cavity of the fixed mounting cylinder, and is used to prevent the laser pointer from falling out of the fixed mounting cylinder.

[0021] Preferably, the tuning component includes:

[0022] Narrow plate-shaped holes and wide plate-shaped holes, wherein the narrow plate-shaped holes are opened on the other side of the outer frame, and the wide plate-shaped holes are opened on one side of another fixing block, and the narrow plate-shaped holes and the wide plate-shaped holes are connected;

[0023] A movable mounting cylinder, wherein the movable mounting cylinder is located within the cavities of the narrow plate-shaped hole and the wide plate-shaped hole;

[0024] Laser pointer two, wherein the laser pointer two is disposed in the inner cavity of the movable mounting cylinder;

[0025] Light-transmitting hole two is located at one end of the movable mounting cylinder;

[0026] Sealing plug two, the sealing plug two is embedded in the inner cavity of the movable mounting cylinder, the sealing plug two is used to prevent the laser pointer two from falling out of the movable mounting cylinder;

[0027] An adjusting component is provided below the movable mounting cylinder, and the adjusting component is used to drive the movable mounting cylinder and the laser pointer to change positions.

[0028] Preferably, the adjusting member includes:

[0029] An adjustment cavity is provided inside another fixed block, and the adjustment cavity communicates with a wide plate-shaped hole.

[0030] A lead screw, which is rotatably connected to the inner cavity of the adjustment chamber, with one end of the lead screw penetrating one side of the inner wall of the adjustment chamber;

[0031] Nut seat, which is threadedly connected to the outer wall of the lead screw;

[0032] A connecting block, which is fixedly connected between the movable mounting cylinder and the nut seat;

[0033] The T-shaped force application block is fixedly connected to one end of the lead screw, and the outer wall of the T-shaped force application block is provided with evenly distributed stripes;

[0034] Two limiting grooves and two limiting sliders are provided. The two limiting grooves are symmetrically opened on the inner wall of the adjustment cavity, and the two limiting sliders are symmetrically fixedly connected to both sides of the nut seat. The two limiting sliders are slidably sleeved in the inner cavity of the corresponding limiting groove. The limiting grooves and limiting sliders are used to prevent the nut seat from rotating with the lead screw.

[0035] Preferably, the adjusting member further includes:

[0036] The T-shaped hole is formed on one side of the T-shaped force-applying block;

[0037] Multiple locking holes are arranged in a ring array on the front of another fixing block;

[0038] The locking bolt has its outer wall threaded to the inner wall of the T-shaped hole, and one end of the locking bolt is movably sleeved with the inner cavity of the corresponding locking hole. The locking bolt and the locking hole cooperate to complete the positioning of the lead screw, nut seat and movable mounting sleeve.

[0039] An anti-loosening ring is located inside the T-shaped hole and is fixedly sleeved on the outer wall of the locking bolt. The anti-loosening ring is used to prevent the locking bolt from being lost.

[0040] Preferably, the adjusting member further includes:

[0041] A bar-shaped scale plate is fixedly connected to the other side of the outer frame, and the bar-shaped scale plate is located below the movable mounting cylinder;

[0042] An indicator rod is fixedly connected to the bottom of the movable mounting cylinder and is located on one side of a bar scale plate. The indicator rod and the bar scale plate are used to help workers identify the distance the movable mounting cylinder has moved.

[0043] This utility model discloses a shearing mechanism for a shearing machine, which has the following beneficial effects:

[0044] This utility model utilizes the cooperation between the fixed auxiliary component and the adjustment auxiliary component. Through the fixed mounting cylinder, laser pointer one, moving mounting cylinder, laser pointer two, lead screw and nut seat, it can realize the tool setting work above the lower blade, which solves the problem of the upper and lower blades being too close and thus causing the blades to collide.

[0045] This invention utilizes the cooperation between the indicator rod and the bar scale plate to monitor the position of the moving mounting cylinder and the laser pointer in real time, thereby improving the accuracy of tool setting. Attached Figure Description

[0046] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0047] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0048] Figure 2 This is a front cross-sectional view of the auxiliary component of this utility model;

[0049] Figure 3 This is a front cross-sectional view of the adjustment and auxiliary components of this utility model;

[0050] Figure 4 This is a side sectional view of the nut seat of this utility model.

[0051] In the diagram: 1. Outer frame; 2. Fixing block; 3. Lower tool holder; 4. Lower blade; 5. Upper tool holder; 6. Upper blade; 7. Auxiliary adjustment mechanism; 71. Fixed auxiliary assembly; 711. Fixed mounting cylinder; 712. Laser pointer one; 713. Sealing plug one; 72. Adjustment auxiliary assembly; 721. Moving mounting cylinder; 722. Laser pointer two; 723. Sealing plug two; 724. Lead screw; 725. Nut seat; 726. Connecting block; 727. T-shaped force application block; 728. Locking bolt; 729. Anti-detachment ring; 7210. Bar scale plate; 7211. Indicator rod; 7212. Limiting slider; 8. Drive cylinder; 9. Limiting slide rod. Detailed Implementation

[0052] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0053] This application provides a shearing mechanism for a shearing machine, which solves the problem that the upper and lower blades are too close together during the blade setting step, making it easy for the upper blade to collide with the lower blade due to operational errors, thus reducing the probability of the upper blade colliding with the lower blade.

[0054] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0055] This utility model provides, for example Figure 1-4The shearing mechanism of a shearing machine shown includes: an outer frame 1, two fixed blocks 2, a lower blade holder 3, a lower blade 4, an upper blade holder 5, an upper blade 6, an auxiliary alignment mechanism 7, two drive cylinders 8, two limiting sliding holes, and two limiting sliding rods 9. The two fixed blocks 2 are symmetrically fixedly connected to the inner cavity of the outer frame 1. The lower blade holder 3 is fixedly connected between the two fixed blocks 2 and is used to install the lower blade 4. The lower blade 4 is fixedly installed on the top of the lower blade holder 3. The upper blade holder 5 and the upper blade 6 are located above the lower blade 4. The upper blade holder 5 is used to install the upper blade 6, which is fixedly installed on the front of the upper blade holder 5. The upper blade 6 cooperates with the lower blade 4 to perform shearing work. The auxiliary alignment mechanism 7 is located on the upper blade holder 5. Below, the auxiliary alignment mechanism 7 is used to complete the tool alignment work above the lower blade 4 to avoid the upper blade 6 and the lower blade 4 colliding due to being too close. Two drive cylinders 8 are symmetrically installed on the top of the outer frame 1. The output ends of the two drive cylinders 8 pass through the top of the outer frame 1 and are fixedly connected to the top of the upper tool holder 5. The drive cylinders 8 are used to drive the upper tool holder 5 and the upper blade 6 to move vertically. Two limiting sliding holes are symmetrically opened on the top of the upper tool holder 5. Two limiting sliding rods 9 are fixedly connected to the top of the corresponding fixed block 2. The two limiting sliding holes slide in a sliding sleeve with the outer wall of the corresponding limiting sliding rod 9. The limiting sliding holes and the limiting sliding rods 9 are used to make the upper tool holder 5 and the upper blade 6 move smoothly.

[0056] The auxiliary mechanism 7 includes a fixed auxiliary component 71 and an adjusting auxiliary component 72. The fixed auxiliary component 71 is located on one side of the lower tool holder 3, and the adjusting auxiliary component 72 is located on the other side of the lower tool holder 3. The adjusting auxiliary component 72 is used to make the auxiliary mechanism 7 applicable to tools of different thicknesses.

[0057] Specifically, the fixed auxiliary component 71 includes a fixed mounting cylinder 711, a laser pointer 712, a light-transmitting hole 71, and a sealing plug 713. The fixed mounting cylinder 711 is fixedly inserted and connected to one side of the outer frame 1 and one of the fixing blocks 2. The laser pointer 712 is disposed in the inner cavity of the fixed mounting cylinder 711. The edge of the beam emitted by the laser pointer 712 is parallel to the working surface of the lower blade 4. The laser pointer 712 inserted into the fixed mounting cylinder 711 must have its emitting end facing the light-transmitting hole 71. The laser pointer 712 has its own power battery. The light-transmitting hole 71 is opened at one end of the fixed mounting cylinder 711. The sealing plug 713 is embedded in the inner cavity of the fixed mounting cylinder 711. The sealing plug 713 is used to prevent the laser pointer 712 from detaching from the fixed mounting cylinder 711.

[0058] Specifically, the adjustment component 72 includes a narrow plate-shaped hole, a wide plate-shaped hole, a movable mounting cylinder 721, a second laser pointer 722, a second light-transmitting hole, a second sealing plug 723, and an adjustment component. The narrow plate-shaped hole is located on the other side of the outer frame 1, and the wide plate-shaped hole is located on one side of another fixing block 2. The narrow plate-shaped hole and the wide plate-shaped hole are connected, and both the narrow plate-shaped hole and the wide plate-shaped hole are through holes. The movable mounting cylinder 721 is located inside the cavities of the narrow plate-shaped hole and the wide plate-shaped hole. The second laser pointer 722 is located inside the cavity of the movable mounting cylinder 721. When the second laser pointer 722 is inserted into the movable mounting cylinder 721, the light-emitting end must face upwards. The distance between the beam emitted by laser pointer 1 712 and the beam emitted by laser pointer 2 722 must be equal to the thickness of the upper blade 6. When the upper blade 6 is completely between the two beams, the blade setting is completed. The second light-transmitting hole is opened at one end of the moving mounting cylinder 721. The second sealing plug 723 is embedded in the inner cavity of the moving mounting cylinder 721. The second sealing plug 723 is used to prevent laser pointer 2 722 from detaching from the moving mounting cylinder 721. The adjusting component is set below the moving mounting cylinder 721. The adjusting component is used to drive the moving mounting cylinder 721 and laser pointer 2 722 to change positions.

[0059] Specifically, the adjusting components include an adjusting cavity, a lead screw 724, a nut seat 725, two limiting grooves, two limiting sliders 7212, a connecting block 726, a T-shaped force-applying block 727, a T-shaped hole, multiple locking holes, a locking bolt 728, an anti-loosening ring 729, a bar-shaped scale plate 7210, and an indicator rod 7211. The adjusting cavity is located inside another fixed block 2 and communicates with a wide plate-shaped hole. The lead screw 724 is rotatably connected to the inner cavity of the adjusting cavity, with one end of the lead screw 724 penetrating one side of the inner wall of the adjusting cavity. The nut seat 725 is threadedly connected to the outer wall of the lead screw 724. Clockwise rotation of the lead screw 724 will cause the nut seat 725 to move backward, and counterclockwise rotation of the lead screw 724 will cause the nut seat 725 to move backward. This will drive the nut seat 725 to move forward. Two limiting grooves are symmetrically opened on the inner wall of the adjusting cavity. Two limiting sliders 7212 are symmetrically fixedly connected to both sides of the nut seat 725. The two limiting sliders 7212 are slidably sleeved in the inner cavity of the corresponding limiting groove. The limiting grooves and limiting sliders 7212 are used to prevent the nut seat 725 from rotating with the lead screw 724, improving the smoothness of the movement of the nut seat 725, the moving mounting cylinder 721, and the laser pointer 722. The connecting block 726 is fixedly connected between the moving mounting cylinder 721 and the nut seat 725. The T-shaped force application block 727 is fixedly connected to one end of the lead screw 724. The outer wall of the T-shaped force application block 727 has evenly distributed stripes. The textured surface increases the friction between the T-shaped force-applying block 727 and the operator's palm. A T-shaped hole is located on one side of the T-shaped force-applying block 727. The smaller diameter portion of the T-shaped hole has evenly distributed internal threads. Multiple locking holes are arranged in a ring array on the front of another fixing block 2. The outer wall of the locking bolt 728 is threaded to the inner wall of the T-shaped hole, and one end of the locking bolt 728 is movably fitted into the inner cavity of the corresponding locking hole. A locking bolt 728 rotating counterclockwise within the T-shaped hole will gradually disengage from the locking hole; conversely, a locking bolt 728 rotating clockwise within the T-shaped hole will gradually enter the locking hole. The locking bolt 728 and the locking hole cooperate to complete the screw rod 724 and nut seat 7. The positioning of the movable mounting cylinder 721 is performed by the anti-detachment ring 729 located in the inner cavity of the T-shaped hole. The anti-detachment ring 729 is fixedly sleeved on the outer wall of the locking bolt 728. The anti-detachment ring 729 is located in the larger part of the inner diameter of the T-shaped hole. The anti-detachment ring 729 is used to prevent the locking bolt 728 from being lost. The bar scale plate 7210 is fixedly connected to the other side of the outer frame 1 and is located below the movable mounting cylinder 721. The indicator rod 7211 is fixedly connected to the bottom of the movable mounting cylinder 721 and is located on one side of the bar scale plate 7210. The indicator rod 7211 and the bar scale plate 7210 are used to help the operator identify the distance the movable mounting cylinder 721 has moved.

[0060] Working principle:

[0061] When performing blade setting after replacing the upper blade 6 of the shearing machine, first insert laser pointer one 712 and laser pointer two 722 (with the switch on and power sufficient) into the fixed mounting cylinder 711 and the movable mounting cylinder 721 respectively. After insertion, seal the fixed mounting cylinder 711 and the movable mounting cylinder 721 with sealing plug one 713 and sealing plug two 723. After completing the above steps, adjust the positions of the movable mounting cylinder 721 and laser pointer two 722 according to the thickness of the upper blade 6. After turning the locking bolt 728 away from the locking hole, the lead screw 724 can be rotated through the T-shaped force application block 727. The rotation of the lead screw 724 will drive the nut seat 725 and the movable mounting cylinder 721 to move. When the distance between the beam emitted by the laser pointer 2 722 and the beam emitted by the laser pointer 1 712 is the same as the thickness of the upper blade 6, the lead screw 724 is stopped and the locking bolt 728 is screwed back into the locking hole. The position of the laser pointer 2 722 can be determined by the bar scale plate 7210 and the indicator rod 7211. At this point, the tool setting work can be carried out above the lower blade 4, which solves the problem that the upper blade 6 and the lower blade 4 are too close and are prone to collision.

[0062] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A shearing mechanism of a plate shearing machine, characterized by comprising: include: Outer frame (1); Two fixing blocks (2) are symmetrically fixed to the inner cavity of the outer frame (1); The lower cutter holder (3) and the lower blade (4) are fixedly connected between two fixed blocks (2), and the lower blade (4) is fixedly installed on the top of the lower cutter holder (3). Upper blade holder (5) and upper blade (6), the upper blade holder (5) and upper blade (6) are located above the lower blade (4), the upper blade (6) is fixedly installed on the front of the upper blade holder (5), the upper blade (6) is used to cooperate with the lower blade (4) to perform shearing work; The auxiliary alignment mechanism (7) is located below the upper tool holder (5). The auxiliary alignment mechanism (7) is used to complete the tool alignment work above the lower blade (4) to avoid the collision between the upper blade (6) and the lower blade (4). Two drive cylinders (8) are symmetrically installed on the top of the outer frame (1). The output ends of the two drive cylinders (8) pass through the top of the outer frame (1) and are fixedly connected to the top of the upper tool holder (5). The drive cylinders (8) are used to drive the upper tool holder (5) and the upper blade (6) to move in the vertical direction. Two limiting sliding holes and two limiting sliding rods (9) are provided. The two limiting sliding holes are symmetrically opened on the top of the upper tool holder (5). The two limiting sliding rods (9) are fixedly connected to the top of the corresponding fixed block (2). The two limiting sliding holes are slidably sleeved with the outer wall of the corresponding limiting sliding rod (9). The limiting sliding holes and limiting sliding rods (9) are used to enable the upper tool holder (5) and the upper blade (6) to move smoothly.

2. The guillotine cutting mechanism of a plate shearing machine according to claim 1, wherein The auxiliary mechanism (7) includes: A fixed auxiliary component (71) is disposed on one side of the lower tool holder (3); The adjustment component (72) is located on the other side of the lower tool holder (3). The adjustment component (72) is used to make the auxiliary mechanism (7) applicable to tools of different thicknesses.

3. The guillotine cutting mechanism of a plate shearing machine according to claim 2, wherein The fixed auxiliary component (71) includes: A fixed mounting cylinder (711) is fixedly inserted and connected to one side of the outer frame (1) and one of the fixing blocks (2); Laser pointer one (712) is disposed in the inner cavity of the fixed mounting cylinder (711), and the edge of the beam emitted by the laser pointer one (712) is parallel to the working surface of the lower blade (4); Light-transmitting hole one, wherein the light-transmitting hole one is opened at one end of the fixed mounting cylinder (711); A sealing plug (713) is embedded in the inner cavity of the fixed mounting cylinder (711) to prevent the laser pointer (712) from detaching from the fixed mounting cylinder (711).

4. The guillotine cutting mechanism of a plate shearing machine according to claim 2, wherein The tuning component (72) includes: Narrow plate-shaped holes and wide plate-shaped holes, the narrow plate-shaped holes being opened on the other side of the outer frame (1), the wide plate-shaped holes being opened on one side of another fixing block (2), the narrow plate-shaped holes and the wide plate-shaped holes being connected; A movable mounting cylinder (721) is located in the inner cavity of the narrow plate-shaped hole and the wide plate-shaped hole; Laser pointer two (722), wherein the laser pointer two (722) is disposed in the inner cavity of the movable mounting cylinder (721); Light-transmitting hole two is provided at one end of the movable mounting cylinder (721); Sealing plug two (723) is embedded in the inner cavity of the movable mounting cylinder (721) and is used to prevent laser pointer two (722) from detaching from the movable mounting cylinder (721). An adjusting component is provided below the movable mounting cylinder (721), and the adjusting component is used to drive the movable mounting cylinder (721) and the laser pointer (722) to change positions.

5. The guillotine cutting mechanism of a plate shearing machine according to claim 4, wherein The adjusting element includes: An adjustment cavity is provided inside another fixed block (2), and the adjustment cavity is connected to a wide plate-shaped hole; A lead screw (724) is rotatably connected to the inner cavity of the adjustment chamber, and one end of the lead screw (724) penetrates one side of the inner wall of the adjustment chamber; Nut seat (725), said nut seat (725) is threaded to the outer wall of the lead screw (724); A connecting block (726) is fixedly connected between the movable mounting cylinder (721) and the nut seat (725); T-shaped force application block (727), the T-shaped force application block (727) is fixedly connected to one end of the lead screw (724), and the outer wall of the T-shaped force application block (727) is provided with uniformly distributed stripes; Two limiting grooves and two limiting sliders (7212) are provided. The two limiting grooves are symmetrically opened on the inner wall of the adjustment cavity. The two limiting sliders (7212) are symmetrically fixedly connected to both sides of the nut seat (725). The two limiting sliders (7212) are slidably sleeved in the inner cavity of the corresponding limiting groove. The limiting grooves and limiting sliders (7212) are used to prevent the nut seat (725) from rotating with the lead screw (724).

6. A shearing mechanism of a plate shearing machine according to claim 5, wherein The adjusting component further includes: The T-shaped hole is located on one side of the T-shaped force-applying block (727); Multiple locking holes are arranged in a ring array on the front of another fixing block (2); The locking bolt (728) has its outer wall threaded to the inner wall of the T-shaped hole, and one end of the locking bolt (728) is movably sleeved with the inner cavity of the corresponding locking hole. The locking bolt (728) and the locking hole cooperate to complete the positioning work of the lead screw (724), nut seat (725) and movable mounting sleeve (721). Anti-loosening ring (729) is located in the inner cavity of the T-shaped hole. The anti-loosening ring (729) is fixedly sleeved on the outer wall of the locking bolt (728). The anti-loosening ring (729) is used to prevent the locking bolt (728) from being lost.

7. The guillotine cutting mechanism of a plate shearing machine according to claim 4, wherein The adjusting component further includes: A bar scale plate (7210) is fixedly connected to the other side of the outer frame (1), and the bar scale plate (7210) is located below the movable mounting cylinder (721); An indicator rod (7211) is fixedly connected to the bottom of the movable mounting cylinder (721), and the indicator rod (7211) is located on one side of the bar scale plate (7210). The indicator rod (7211) and the bar scale plate (7210) are used to help the staff identify how far the movable mounting cylinder (721) has moved.

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