Multi-station clamp for disc laser cutting

Abstract

The utility model discloses a multi-station clamp for disc laser cutting, and belongs to the technical field of multi-station disc clamps. Mainly comprises a bottom table, a workbench and a cutting mechanism are installed on the bottom table, the cutting mechanism is provided with a laser head and a positioning mechanism, the positioning mechanism is installed on the workbench, the positioning mechanism comprises a table seat, a groove position unit is installed on the table seat and provided with a table plate fixed to the table seat, and at least two sets of work grooves are formed in the table plate. The working groove is composed of two sets of symmetrically-arranged arc grooves, the two sets of modules are in sliding fit with the arc grooves respectively, each module is provided with a contact face, the two sets of contact faces are suitable for being matched with each other to form a V-shaped groove, the fixing block is installed on the side portion of the pedestal, a main shaft is installed on the fixing block in a sliding mode, the end portion of the main shaft is provided with a pressing end and a spring, and the spring is connected to the main shaft in a sleeved mode. The multi-station clamp for disc laser cutting solves the problem that the inclination angle of a V-shaped groove cannot be adjusted according to the change of the outer diameter of a disc part.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of multi-station disc clamps, in particular to a multi-station clamp for disc laser cutting. BACKGROUND

[0002] Disc laser cutting is a process of machining disc-shaped workpieces by using a laser cutting machine, and during the machining of the disc, a work station clamp is required to fix the disc;

[0003] In the existing work station clamp, a V-shaped groove is usually used to prevent disc parts, and the disc parts in the V-shaped groove are clamped and limited by the cooperation of the main shaft and the spring, so as to limit the disc parts in the V-shaped groove (as shown in the figure); Figure 2

[0004] However, during the clamping of the main shaft on disc parts with different outer diameters, the V-shaped groove is fixed, so that the inclination angle of the V-shaped groove cannot be adjusted. When the outer diameters of the disc parts are different, the V-shaped groove with a fixed inclination angle may not completely match the shapes of disc parts with different sizes, resulting in unstable clamping, and may cause vibration and deviation of the disc parts during machining, affecting the machining precision. Therefore, a multi-station clamp for disc laser cutting is needed to solve the above problems;

[0005] It should be noted that the above information disclosed in the background section is only used to understand the background of the present application, and therefore, it can contain information which does not constitute prior art. CONTENT OF THE UTILITY MODEL

[0006] Based on the above problems existing in the prior art, the present application solves the problem of the inclination angle of the V-shaped groove cannot be adjusted according to the change of the outer diameter of the disc part.

[0007] ​To achieve the above object, the application provides the following technical scheme: a multi-station clamp for disc laser cutting, comprising a base table, a workbench installed on the base table, a cutting mechanism, the cutting mechanism having a laser head, the laser head being adapted to move in three axes with the workbench as a reference, a positioning mechanism, the positioning mechanism being installed on the workbench, the positioning mechanism comprising a pedestal, a slot unit being installed on the pedestal, the slot unit having a table plate fixed to the pedestal, at least two groups of work slots being formed on the table plate, the work slots being composed of two groups of symmetrical arc slots, two groups of modules, the two groups of modules being respectively in sliding fit with the arc slots, the modules having a contact surface for abutting against a disc part, the two groups of contact surfaces being adapted to form a V-shaped slot by mutual cooperation, a fixing block, the fixing block being installed on the side of the pedestal, a main shaft being slidably installed on the fixing block, the main shaft having a pressing end at the end portion, a spring being sleeved on the main shaft, the spring being between the pressing end and the fixing block, the pressing end being adapted to approach the V-shaped slot under the action of the spring, the modules being adapted to rotate in the arc slots to adjust the inclination angle of the V-shaped slot.

[0008] Preferably, the slot unit further comprises a bottom frame installed on the side end of the pedestal, a sliding block being installed in the bottom frame, a driving rod being fixed on the top of the sliding block, a connecting rod being provided between the driving rod and the module, the connecting rod being hinged at the connection positions of the two ends of the connecting rod and the driving rod and the module.

[0009] Preferably, a screw rod is installed on the bottom frame through a bearing, the screw rod being in threaded connection with the sliding block.

[0010] Preferably, the module is in a semi-cylindrical structure.

[0011] Preferably, a positioning piece is fixed on the side end of the pedestal near the V-shaped slot, the pressing end penetrating through the positioning piece and being in sliding connection with the positioning piece.

[0012] Preferably, a gas cylinder is provided at the side end of the fixing block, a main frame being connected to the output end of the gas cylinder, the main frame being movably connected to the end portion of the main shaft.

[0013] Preferably, the cutting mechanism further comprises a double-shaft driving structure slidably installed on the base table, the laser head being installed on the double-shaft driving structure.

[0014] The beneficial effects of the present application are: the multi-station clamp for disc laser cutting provided by the present application is driven by the sliding action of the driving rod, and under the cooperation of the connecting rod, the module rotates along the arc groove, and the contact surfaces of the two groups of modules form a V-shaped groove, achieving the purpose of positioning different outer diameter disc parts, and under the action of the spring force, the clamping end of the main shaft is pressed against the disc part in the V-shaped groove for self-adaptive clamping and limiting, thereby achieving the purpose of positioning and clamping different outer diameter disc parts, and solving the problem that the V-shaped groove cannot adjust the inclination angle according to the change of the outer diameter of the disc part.

[0015] In addition to the purposes, features and advantages described above, the present application has other purposes, features and advantages. The present application will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the description of the exemplary embodiments of the present application and the explanation thereof serve to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0017] Figure 1 It is a whole schematic view of the multi-station clamp for disc laser cutting in the present application;

[0018] Figure 2 It is a structure schematic view of the positioning mechanism in the present application; Figure 1

[0019] It is a structure schematic view of the adjusting unit in the present application; Figure 3 Figure 2

[0020] In the drawings, various reference signs represent:

[0021] 1, base table; 11, workbench; 2, cutting mechanism; 21, double-shaft driving structure; 22, laser head; 3, positioning mechanism; 31, air cylinder; 32, main frame; 33, fixed block; 34, main shaft; 341, pressing end; 35, spring; 36, pedestal; 361, positioning piece; 4, groove unit; 41, table plate; 411, arc groove; 42, module; 421, shaft end; 43, connecting rod; 44, driving rod; 441, connecting end; 45, bottom frame; 46, screw rod. DETAILED DESCRIPTION

[0022] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0023] ​​In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should fall within the scope of protection of the present application.

[0024] As shown in Figure 1 , the present application provides a multi-station clamp for disc laser cutting, comprising a base table 1, a cutting mechanism 2 arranged on the base table 1, and a workbench 11 fixedly installed on the base table 1 and located directly below the cutting mechanism 2;

[0025] And the cutting mechanism 2 is composed of a dual-shaft driving structure 21 slidingly installed on the base table 1, and a laser head 22 installed on the dual-shaft driving structure 21, the laser head 22 being used for laser cutting processing of disc parts, the laser head 22 being adapted to move in two axes on the dual-shaft driving structure 21 (as shown by the YZ axis in Figure 1 ), and the dual-shaft driving structure 21 being adapted to slide on the base table 1 under the action of external driving force (as shown by the X axis in Figure 1 ), so that the laser head 22 is adapted to be driven in three axes with the workbench 11 as a reference;

[0026] In the present application, the above-mentioned cutting mechanism 2 is a laser cutting structure and a three-axis driving structure in the prior art, and its specific structure and principle are referred to the prior art, which will not be described in detail here;

[0027] As shown in Figures 1-2 , a positioning mechanism 3 for limiting and clamping disc parts is installed on the workbench 11, the positioning mechanism 3 having a seat 36 for placing disc parts, the seat 36 being installed with a slot unit 4 for positioning disc parts;

[0028] With reference to Figure 3 , the slot unit 4 comprises a table plate 41 installed on the seat 36, and at least two groups of working grooves (not marked in the figure) are formed on the table plate 41, the working grooves being composed of two groups of symmetrical arc grooves 411, and a half-cylindrical module 42 is slidingly installed on the two groups of arc grooves 411, and the module 42 has a contact surface (not marked in the figure) for abutting against disc parts, wherein the module 42 is adapted to rotate along the arc groove 411, so as to adjust the inclination angle of the contact surface of the module 42, and the contact surfaces of the two groups of modules 42 form a V-shaped groove therebetween to position disc parts;

[0029] A bottom frame 45 is fixedly connected at one side of the pedestal 36, a sliding block (not shown in the figure) is slidingly installed on the bottom frame 45, the top of the sliding block is fixedly connected with a driving rod 44, the side of the driving rod 44 is fixedly connected with a connecting end 441, an axle end 421 is arranged on the module 42 near the edge of the contact surface, a connecting rod 43 is arranged between the connecting end 441 and the axle end 421, and the two ends of the connecting rod 43 are respectively hingedly connected with the connecting end 441 and the axle end 421;

[0030] A screw rod 46 is bearingly installed on the bottom frame 45, penetrates through the sliding block and is in threaded connection with the sliding block, when positioning the disc part is needed, the screw rod 46 is first rotated, so that the driving rod 44 slides along the bottom frame 45 and approaches the table plate 41, and under the cooperation of the connecting rod 43, the connecting rod 43 moves and exerts a pushing force on the module 42, so that the semicircular surface of the module 42 rotates along the arc groove 411, so that the contact surfaces of the two groups of modules 42 form a V-shaped groove matched with the disc part, and the purpose of positioning the disc parts with different outer diameters is achieved;

[0031] As shown in Figure 2 The positioning mechanism 3 further comprises a fixed block 33 fixedly installed on the side of the pedestal 36, a main shaft 34 penetrates through the fixed block 33, the main shaft 34 is in sliding connection with the fixed block 33, a positioning piece 361 is fixedly installed on the side end of the pedestal 36 near the V-shaped groove, and the end of the main shaft 34 has a pressing end 341, the pressing end 341 penetrates through the positioning piece 361 and is in sliding connection with the positioning piece 361, and the pressing end 341 is adapted to abut against the disc part;

[0032] Meanwhile, a spring 35 is sleeved on the main shaft 34, the spring 35 is between the pressing end 341 and the fixed block 33, and the spring 35 is always in a contracted state, so that the spring 35 always exerts an elastic force on the pressing end 341, so that the main shaft 34 is driven to approach the V-shaped groove by the action of the spring 35, and the pressing end 341 is pressed to position the disc part in the V-shaped groove;

[0033] In the present application, the number of the main shaft 34 is determined according to the number of the V-shaped groove, which is not limited here;

[0034] A cylinder 31 is arranged at the side end of the fixed block 33, a main frame 32 is connected to the output end of the cylinder 31, the main frame 32 is in movable connection with the main shaft 34, the cylinder 31 is adapted to drive the main frame 32 to reciprocate, and under the driving of the main frame 32, the main shaft 34 and the main frame 32 are synchronously moved towards the direction of approaching or moving away from the V-shaped groove, so as to achieve the purpose of conveniently driving the pressing end 341 of the plurality of main shafts 34 to synchronously retreat;

[0035] In the process of positioning the disc parts in the V-shaped groove, the cylinder 31 drives the main frame 32 to move away from the V-shaped groove, and indirectly drives the pressing end 341 on the main shaft 34 away from the V-shaped groove, at this time the pressing end 341 is in the retreat state, when it is needed to limit and fix the disc parts in the V-shaped groove, first the cylinder 31 drives the main frame 32 to slowly return to the original position, and in the process, the main shaft 34 is driven to approach the V-shaped groove by the cooperation of the spring 35, and under the action of the elastic force of the spring 35 on the pressing end 341, the pressing end 341 limits and clamps the disc parts in the V-shaped groove;

[0036] As described above, through the sliding action of the driving rod 44 and under the cooperation of the connecting rod 43, the module 42 rotates along the arc groove 411, and the contact surfaces of the two groups of modules 42 form a V-shaped groove, achieving the purpose of positioning the disc parts with different outer diameters, and under the action of the elastic force of the spring 35, the pressing end 341 on the main shaft 34 self-adaptively clamps and limits the disc parts in the V-shaped groove, thereby achieving the purpose of positioning and clamping the disc parts with different outer diameters, and solving the problem that the V-shaped groove cannot adjust the inclination angle according to the change of the outer diameter of the disc parts.

[0037] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, and the present application can have various changes and variations for those skilled in the art. Any improvements and refinements within the spirit and principles of the present application, without departing from the principles of the present application, should be considered as within the protection scope of the present application.

Claims

1. A multi-station fixture for disc laser cutting, comprising: a base table (1) having a worktable (11) mounted thereon; a cutting mechanism (2) having a laser head (22) adapted to move in three axes with reference to the worktable (11); a positioning mechanism (3) mounted on the worktable (11), characterized in that the positioning mechanism (3) comprises: a pedestal (36) having a slot unit (4) mounted thereon, the slot unit (4) having a table plate (41) fixed to the pedestal (36), the table plate (41) having at least two groups of working slots formed by two groups of symmetrical arc slots (411); two groups of modules (42) respectively slidingly fitted in the arc slots (411), the modules (42) having contact surfaces adapted to form a V-shaped slot by cooperating with each other; a fixed block (33) mounted on a side of the pedestal (36), the fixed block (33) having a main shaft (34) slidingly mounted thereon, the main shaft (34) having a pressing end (341) at an end thereof; a spring (35) sleeved on the main shaft (34), the spring (35) being located between the pressing end (341) and the fixed block (33); wherein the pressing end (341) is adapted to approach the V-shaped slot under the action of the spring (35), and the modules (42) are adapted to rotate in the arc slots (411) to adjust the inclination angle of the V-shaped slot.

2. A multi-station fixture for laser cutting of a disc according to claim 1, characterized in that: The slot unit (4) further comprises a bottom frame (45) mounted on a side end of the pedestal (36), the bottom frame (45) having a sliding block mounted therein, the sliding block having a driving rod (44) fixed to a top portion thereof, and a connecting rod (43) provided between the driving rod (44) and the modules (42), the connecting rod (43) being hingedly connected to the driving rod (44) and the modules (42) at two ends thereof.

3. A multi-station fixture for laser cutting of a disc according to claim 2, characterized in that: The bottom frame (45) has a screw rod (46) bearing mounted thereon, the screw rod (46) being threadedly connected to the sliding block.

4. A multi-station fixture for laser cutting of a disc according to claim 3, characterized in that: The modules (42) have a semi-cylindrical structure.

5. A multi-station fixture for laser cutting of a disc as claimed in claim 2, wherein: The pedestal (36) has a positioning piece (361) fixed to a side end thereof near the V-shaped slot, the pressing end (341) penetrating through the positioning piece (361) and being slidingly connected to the positioning piece (361).

6. A multi-station fixture for laser cutting of a disc according to claim 5, characterized in that: The fixed block (33) has a pneumatic cylinder (31) provided at a side end thereof, the pneumatic cylinder (31) having a main frame (32) connected to an output end thereof, the main frame (32) being movably connected to an end of the main shaft (34).

7. A multi-station fixture for laser cutting of a disc as claimed in claim 1, wherein: The cutting mechanism (2) further comprises a double-axis driving structure (21) slidingly mounted on the base table (1), the laser head (22) being mounted on the double-axis driving structure (21).

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