Plate positioning structure of plasma cutting machine

Abstract

The utility model relates to the technical field of cutting equipment, discloses a plate positioning structure of a plasma cutting machine, and solves the problems that the plate positioning structure cannot adapt to plates with different sizes, the positioning precision of the plates is insufficient, and the clamping of multiple edges of the plates is asynchronous. The positioning structure comprises a bearing plate, a connecting plate, an extension arm, a T-shaped plate, a crank, a secondary positioning mechanism and the like. Sliding grooves are formed in the three side walls of the bearing plates, and the two bearing plates are connected through a connecting plate to form a limiting structure. The extending arm in the sliding groove can slide, and the T-shaped plate is matched with the crank to drive the extending arm to move. And the second-stage positioning mechanism comprises a side clamping plate, a strip block, an electric telescopic rod and a buffer spring, and the plate can be accurately positioned. The sliding groove is of a C-shaped opening structure, and installation and sliding of the extension arm are facilitated. Guide rails are arranged on two sides of the T-shaped plate, so that sliding is more The position of the T-shaped plate is adjusted through the hydraulic cylinder and the telescopic spring, the extension arm is driven to move, and the plate is clamped and fixed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting equipment technical field, concretely is a plate positioning structure of plasma cutting machine. BACKGROUND

[0002] The plate positioning technology of the plasma cutting machine is crucial to ensure cutting precision and quality, currently utilizes the clamp to carry out the clamping fixation from the edge of the plate, has certain positioning effect to some small plate or regular shape plate, but for large plate or irregular shape plate, can not provide uniform clamping force, leading to that the plate still can move in the cutting process.

[0003] The existing Chinese patent with the publication number CN218169031U discloses a plasma cutting machine with one-key positioning structure, the plasma cutting machine includes a machining table and a sliding block, an electric telescopic rod is installed on one side of the sliding block, the telescopic end of the electric telescopic rod has a clamping structure, the clamping structure is composed of an L-shaped plate, a threaded rod, a clamping plate and a nut. The threaded rod is welded on the top of the L-shaped plate, the inner surface of the L-shaped plate is slidably connected with the clamping plate, the threaded rod is externally threaded connected with the nut, the bottom of the nut abuts against the top of the clamping plate, the clamping plate can be moved by rotating the nut, and different thickness processing objects can be clamped. The positioning precision of the plate is limited in this scheme, the distribution of the positioning holes cannot completely meet all high-precision processing requirements, and there can be certain positioning error, in addition, it is not automatic enough when adapting to different size plates, and manual operation cannot realize synchronous clamping of the plate.

[0004] In view of the above related technologies, the present application provides a plate positioning structure of a plasma cutting machine, which can eliminate the drawbacks of the existing device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a plate positioning structure of a plasma cutting machine, which adopts the device to work, thereby solving the problems that the existing plate positioning structure of the cutting machine cannot adapt to different size plates, the plate positioning precision is insufficient, and the plate multi-edge clamping is not synchronous.

[0006] To achieve the above object, the utility model provides the following technical scheme: A plate positioning structure of plasma cutting machine, including bearing plate, the side wall of three edges of bearing plate all has the sliding slot, the side wall of one edge is detachably connected with the connecting plate, the other end of connecting plate is detachably connected with another bearing plate of same structure, two bearing plates and connecting plate form the limit structure to the plate together, the extension arm is slidably connected in the sliding slot, the middle part of the bottom of bearing plate is slidably connected with T type board, T type board is composed of long handle end and trapezoidal end, the trapezoidal end of T type board is rotatably connected with crank, the other end of crank is rotatably connected with the bottom of extension arm respectively, the top of extension arm all has the movable slot, the outer wall of short side of extension arm has the hole groove, the movable slot and hole groove are slidably connected with two -level positioning mechanism,

[0007] Two -level positioning mechanism includes side edge clamping plate, and the side edge clamping plate is composed of horizontal block and vertical plate fixed connection, and the bottom of horizontal block is symmetrically fixed with strip, and the strip is slidably connected in the movable slot of the top of extension arm, and the inner wall of the side close to hole groove of vertical plate is fixedly connected with the output end of electric telescopic rod, and the other end of electric telescopic rod is fixedly connected on the inner wall of hole groove, and the outer wall of electric telescopic rod is sleeved with buffer spring, and the both ends of buffer spring are fixedly connected on the inner wall of hole groove and vertical plate respectively.

[0008] Preferably, the sliding slot is a C-shaped opening structure.

[0009] Preferably, the bottom of the bearing plate is fixedly provided with a guide rail on both sides of the T-shaped plate in the middle part, and the T-shaped plate is slidably connected on the guide rail.

[0010] Preferably, the sliding slots of the three edges of the bearing plate are respectively located on the middle part of the short side of the bearing plate and the long side wall on both sides of the trapezoidal end of the T-shaped plate close to the T-shaped plate.

[0011] Preferably, the protrusion in the middle part of the bottom of the T-shaped plate is fixedly provided with a telescopic spring, the other end of the telescopic spring is fixedly connected with a support frame, the support frame is fixedly and spacedly provided with two and is located at the bottom end of the sliding slot in the middle part of the short side of the bearing plate, one of the support frames is fixedly installed with a hydraulic cylinder, the output rod of the hydraulic cylinder penetrates through the other support frame and is fixedly connected with the protrusion in the middle part of the bottom of the T-shaped plate, and the telescopic spring is sleeved on the outer wall of the output rod of the hydraulic cylinder.

[0012] Preferably, the bottom of the extension arm in the sliding slot in the middle part of the short side of the bearing plate is fixedly connected with the top end face of the long handle end of the T-shaped plate.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model provides a plate positioning structure of plasma cutting machine, through the combination of bearing plate, connecting plate and extension arm, can adapt to different size plate, improve the versatility of equipment. The secondary positioning mechanism utilizes side clamping plate, strip, electric telescopic rod and buffer spring, can carry out secondary positioning to plate, ensure cutting accuracy.

[0015] 2. The utility model provides a plate positioning structure of plasma cutting machine, the C type opening structure of the chute is convenient for the installation and sliding of extension arm, the guide rail makes T type board slide more stably, a plurality of extension arms pass through the hydraulic cylinder and promote T type board, drive extension arm synchronous effect of realizing to plate multiedge collaborative clamping. DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of the utility model's elevation;

[0018] Figure 3 It is the structure schematic diagram of the utility model's plan;

[0019] Figure 4 It is the connecting position structure schematic diagram of T type board and extension arm of the utility model;

[0020] Figure 5 It is the bottom plane structure schematic diagram of the utility model.

[0021] In the drawing: 1, bearing plate; 10, chute; 11, guide rail; 2, connecting plate; 3, extension arm; 301, movable slot; 302, hole slot; 4, secondary positioning mechanism; 41, side clamping plate; 411, horizontal stop; 412, vertical plate; 43, electric telescopic rod; 44, buffer spring; 5, T type board; 51, telescopic spring; 52, support frame; 6, crank; 7, hydraulic cylinder. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] In order to further understand the contents of the utility model, the utility model will be described in detail in combination with the drawings.

[0024] In combination with Figures 1-5The utility model provides a plate positioning structure of plasma cutting machine, including bearing plate 1, the side wall of three edges of bearing plate 1 all is opened with sliding slot 10, and the side wall of one edge is detachably connected with connecting plate 2, and the other end of connecting plate 2 is detachably connected with another bearing plate 1 of same structure, and two bearing plates 1 and connecting plate 2 are combined to form the limiting structure to plate. Sliding slot 10 is slidably connected with extension arm 3, and the middle part of the bottom end of bearing plate 1 is slidably connected with T-shaped plate 5, and T-shaped plate 5 is composed of long handle end and trapezoidal end, and two cranks 6 are rotatably connected on the trapezoidal end of T-shaped plate 5, and the other end of two cranks 6 is rotatably connected with the bottom end of two extension arms 3 respectively. The top end of extension arm 3 is opened with two movable slots 301, and the outer wall of the short side of extension arm 3 is opened with hole slot 302, and two-stage positioning mechanism 4 is slidably connected in movable slot 301 and hole slot 302.

[0025] Two-stage positioning mechanism 4 includes side edge clamping plate 41, and side edge clamping plate 41 is composed of horizontal block 411 and vertical plate 412, and two bars 42 are symmetrically fixed on the bottom end of horizontal block 411, and two bars 42 are slidably connected in the two movable slots 301 on the top end of extension arm 3, and the output end of electric telescopic rod 43 is fixedly connected on the inner wall of the side of vertical plate 412 close to hole slot 302, and the other end of electric telescopic rod 43 is fixedly connected on the inner wall of hole slot 302, and buffer spring 44 is sleeved on the outer wall of electric telescopic rod 43, and buffer spring 44 is fixedly connected on the inner wall of hole slot 302 and vertical plate 412 respectively. The combination of bearing plate 1, connecting plate 2 and extension arm 3 realizes modular assembly, can adapt to different sizes of plate, and improves the versatility of equipment, and the side edge clamping plate 41, bar 42, electric telescopic rod 43 and buffer spring 44 in two-stage positioning mechanism 4 can carry out more accurate secondary positioning to plate, and ensure cutting accuracy.

[0026] The sliding slot 10 on the side wall of three edges of bearing plate 1 is located on the middle part of the short side of bearing plate 1 and the long side wall on the two sides of the trapezoidal end of T-shaped plate 5 close to bearing plate 1 respectively. The layout of the sliding slot 10 can make multiple extension arms 3 support and position different sides of the plate at the same time, and the sliding slot 10 is a C-shaped opening structure, facilitating the installation and sliding of the extension arm 3. The two sides of the middle part of the bottom end of bearing plate 1 are fixedly provided with guide rails 11, and the T-shaped plate 5 is slidably connected on the guide rails 11, and the setting of the guide rails 11 can make the sliding of the T-shaped plate 5 more stable.

[0027] The convex block in the middle of the bottom end of the T-shaped plate 5 is fixed with an elastic spring 51, the other end of the elastic spring 51 is fixedly connected with a support frame 52, the support frame 52 is fixedly and spacedly provided with two slide grooves 10 at the middle of the short side of the bearing plate 1, one of the support frames 52 is fixedly installed with a hydraulic cylinder 7, the output rod of the hydraulic cylinder 7 penetrates through the other support frame 52 and is fixedly connected with the convex block in the middle of the bottom end of the T-shaped plate 5, and the elastic spring 51 is sleeved on the outer wall of the output rod of the hydraulic cylinder 7. The elastic spring 51 can play a buffering role to reduce the vibration of the equipment during operation. The hydraulic cylinder 7 can drive the T-shaped plate 5 to move to realize the position adjustment of the extension arm 3. The bottom end of the extension arm 3 in the slide groove 10 of the middle of the short side of the bearing plate 1 is fixedly connected with the top end surface of the long handle end of the T-shaped plate 5, so that the movement of the T-shaped plate 5 can drive the movement of the extension arm 3 to realize the clamping and fixing of the plate.

[0028] Working principle: first, the two bearing plates 1 are connected through the connecting plate 2 to form a limiting structure for the plate. The extension arm 3 in the slide groove 10 of the bearing plate 1 is slidable, the T-shaped plate 5 slides on the guide rail 11, the hydraulic cylinder 7 drives the T-shaped plate 5 to move, the trapezoidal end of the T-shaped plate 5 drives the two extension arms 3 to move through the crank 6, and the long handle end of the T-shaped plate 5 drives the other extension arm 3 to move. In the secondary positioning mechanism 4, the electric telescopic rod 43 pushes the side clamping plate 41 to accurately position the plate. The modular assembly of the bearing plate 1, the connecting plate 2 and the extension arm 3 is suitable for different sizes of plates; the secondary positioning mechanism 4 can be further adjusted to realize accurate positioning and ensure cutting accuracy.

[0029] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or apparatus.

[0030] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plate positioning structure for a plasma cutting machine, comprising a support plate (1), wherein three sides of the support plate (1) are provided with grooves (10), and a connecting plate (2) is detachably connected to one side wall. Another support plate (1) with the same structure is detachably connected to the other end of the connecting plate (2). The two support plates (1) and the connecting plate (2) together form a limiting structure for the plate. An extension arm (3) is slidably connected in the groove (10). A T-shaped plate (5) is slidably connected to the middle of the bottom end of the support plate (1). The T-shaped plate (5) is composed of a long handle end and a trapezoidal end. Two cranks (6) are rotatably connected to the trapezoidal end of the T-shaped plate (5). The other ends of the two cranks (6) are rotatably connected to the bottom ends of the two extension arms (3), respectively. The structure is characterized in that: The top end of the extension arm (3) is provided with two movable grooves (301), and the short side outer wall of the extension arm (3) is provided with a hole groove (302), the movable groove (301) and the hole groove (302) are slidably connected with the secondary positioning mechanism (4). The secondary positioning mechanism (4) comprises a side clamping plate (41) which is fixedly connected by a cross bar (411) and a vertical plate (412), two strips (42) are symmetrically arranged at the bottom end of the cross bar (411) and slidably connected in the two movable grooves (301) at the top end of the extension arm (3), the output end of an electric telescopic rod (43) is fixedly connected to the inner wall of the side wall near the hole groove (302), the other end of the electric telescopic rod (43) is fixedly connected to the inner wall of the hole groove (302), and the outer wall of the electric telescopic rod (43) is sleeved with a buffer spring (44), and the two ends of the buffer spring (44) are fixedly connected to the vertical plate (412) and the inner wall of the hole groove (302) respectively.

2. The plate positioning structure of a plasma cutting machine according to claim 1, characterized in that: The sliding groove (10) is a C-shaped opening groove structure.

3. The plate positioning structure of a plasma cutting machine according to claim 1, characterized in that: The T-shaped plate (5) is fixedly arranged on the bottom end of the bearing plate (1).

4. The plate positioning structure of a plasma cutting machine according to claim 1, wherein: The sliding groove (10) of the three side walls of the bearing plate (1) is arranged on the short side middle part of the bearing plate (1) and the long side wall near the trapezoidal end of the T-shaped plate (5).

5. The plate positioning structure of a plasma cutter according to claim 1, wherein: The T-shaped plate (5) is fixedly arranged on the bottom end of the bearing plate (1).

6. The plate positioning structure of a plasma cutter according to claim 1, wherein: The extension arm (3) is fixedly connected to the top end of the T-shaped plate (5) on one side of the bottom end of the sliding groove (10) in the short side middle part of the bearing plate (1).

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