Automatic center alignment mechanism for machining

Abstract

The utility model relates to the technical field of machining, and discloses an automatic center alignment mechanism for machining, which comprises a base, a support frame is fixedly mounted at the top of the base, a clamping mechanism is arranged in the base, a center alignment component is arranged at the top of the support frame, and a movable plate is sleeved on the outer wall of the support frame. When the first motor operates, the worm drives the worm gear ring to rotate, the other end of the hinge rod drags the moving plates to move, the two sets of moving plates can only move towards the circle center direction of the worm gear ring along the fixing grooves, and therefore a workpiece is positioned through the alignment roller. According to the device, a worker can move the movable plate to the top end of a workpiece through the lead screw according to the length of the workpiece, the top of the workpiece is stabilized by the alignment roller through operation of the first motor, the center alignment quality of the center alignment assembly is guaranteed, and deviation is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field more specifically, the utility model relates to automatic center alignment mechanism for mechanical processing. BACKGROUND

[0002] Mechanical processing is the key link in manufacturing industry, it carries out processing to work piece through accurate machinery, can produce the part and product that meets the design requirement, size accurate, stable performance, thereby improves the performance and reliability of whole machine, and along with the gradual improvement of automation level, the machining equipment can continuously, efficiently complete the processing task, promotes the level development of manufacturing industry.

[0003] At present, in order to make work piece ensure the accuracy of work piece position in processing in high speed, high precision machining environment, usually through automatic alignment mechanism to position work piece.

[0004] And the automatic alignment mechanism usually will hold one end of work piece, make it stable, the other end is positioned through center alignment assembly, this alignment method is applicable to most work pieces, but when facing longer work piece, work piece is easy to appear the condition of shaking when aligning, influence center alignment assembly's positioning, therefore needs to improve and optimize it. UTILITY MODEL CONTENT

[0005] In order to overcome the insufficient of prior art, the utility model provides automatic center alignment mechanism for mechanical processing, has work piece stability is high, center alignment accurate advantage.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: automatic center alignment mechanism for mechanical processing, including base, the top of base is fixedly installed with support frame, the inside of base is provided with clamping mechanism, the top of support frame is provided with center alignment assembly, the outer wall of support frame is sleeved with movable plate;

[0007] The inside four corners of movable plate are movably installed with telescopic link one, one end of telescopic link one is fixedly connected with alignment roller, the other end of telescopic link one is fixedly connected with connecting rod one, four groups of fixed grooves are seted up in the inside of movable plate, and four connecting rod one is movably installed in the inside of fixed groove, the bottom of connecting rod one is fixedly installed with moving plate, the moving plate has two groups and is located at the left and right sides in the inside of movable plate;

[0008] The inside rotation is installed with worm gear ring in movable plate, the left and right ends of the top of worm gear ring are all hinged with hinge rod, the other end of hinge rod is hinged with moving plate, the inside of movable plate is fixedly installed with motor one, the output shaft of motor one is fixedly connected with worm, and worm and worm gear ring are transmission connection.

[0009] As a preferred technical scheme of the utility model, the clamping mechanism comprises a fixed ring fixedly installed inside the base, a gear ring is rotatably installed on the top of the fixed ring, a motor three is fixedly installed on the left side of the base, the output shaft of the motor three is fixedly connected with a driving wheel, and the driving wheel and the gear ring are in meshing engagement.

[0010] As a preferred technical scheme of the utility model, a motor two is fixedly installed above the left side of the support frame, the output shaft of the motor two is fixedly connected with a lead screw, and the lead screw is rotatably installed on the left side of the support frame and is threadedly connected with the movable plate.

[0011] As a preferred technical scheme of the utility model, four groups of telescopic rods two are movably installed inside the fixed ring, and one end of each of the four groups of telescopic rods two is fixedly installed with a clamping block.

[0012] As a preferred technical scheme of the utility model, four groups of vertical grooves are formed in the top of the fixed ring, and a connecting rod two is movably installed inside each of the four groups of vertical grooves, and the bottom of the connecting rod two is fixedly connected with the telescopic rod two.

[0013] As a preferred technical scheme of the utility model, four groups of arc-shaped grooves are formed in the inside of the gear ring, and a connecting rod two is movably installed inside each of the four groups of arc-shaped grooves.

[0014] As a preferred technical scheme of the utility model, the center alignment assembly, the motor two, the motor one and the motor three are all controlled by a PLC controller.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1、the utility model discloses a motor one drives the worm gear ring to rotate when operating, and the other end of the articulated rod drags the moving plate to displace, since the moving plate is fixedly connected with the connecting rod one, and the connecting rod one is movably installed in the fixed groove, so that the two moving plates can only displace along the fixed groove to the center of the worm gear ring, so that the alignment roller can position the workpiece, compared with the traditional device, the device can move the movable plate to the top end of the workpiece according to the length of the workpiece through the lead screw, and the alignment roller can stably support the top of the workpiece through the operation of the motor one, so that the center alignment quality of the center alignment assembly is guaranteed, and deviation is prevented.

[0017] 2, the utility model discloses a motor three's operation makes drive wheel drive gear ring rotation, when arc -shaped groove follows gear ring rotation, the inner wall of arc -shaped groove will drive connecting rod two displacement, and four groups of clamping blocks will workpiece's bottom clamping, complete fixed, compared with traditional device, the device can pass through the rotation of gear ring, and four groups of clamping blocks are inwards displacement simultaneously and clamping workpiece bottom, prevent workpiece from appearing deviation, and automatically fixed simultaneously, alleviate the work burden of staff, improve the alignment efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the utility model structural schematic diagram;

[0019] Figure 2 It is the utility model alignment roll structural schematic diagram;

[0020] Figure 3 It is the utility model worm ring structural schematic diagram;

[0021] Figure 4 It is the utility model moving plate structural schematic diagram;

[0022] Figure 5 It is the utility model drive wheel structural schematic diagram;

[0023] Figure 6 It is the utility model telescopic link two structural schematic diagram;

[0024] Figure 7 It is the utility model gear ring explosion diagram.

[0025] In the drawing: 1, base;2, support frame;3, clamping mechanism;4, center alignment assembly;5, movable plate;6, alignment roll;7, telescopic link one;8, fixed groove;9, moving plate;10, hinged rod;11, worm ring;12, connecting rod one;13, motor one;14, worm;15, motor two;16, screw;17, fixed ring;18, gear ring;19, motor three;20, drive wheel;21, clamping block;22, vertical slot;23, arc -shaped groove;24, telescopic link two;25, connecting rod two. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] As Figures 1 to 7The utility model provides an automatic center alignment mechanism for machining, including base 1, the top fixed mounting of base 1 has support frame 2, the inside of base 1 is provided with clamping mechanism 3, the top of support frame 2 is provided with center alignment subassembly 4, the outer wall of support frame 2 is sleeved with movable plate 5,

[0028] The inside four corners of movable plate 5 are movably installed with telescopic link one 7, one end of telescopic link one 7 is fixedly connected with alignment roller 6, the other end of telescopic link one 7 is fixedly connected with connecting rod one 12, four groups of fixed slots 8 are formed in the inside of movable plate 5, and the four connecting rod one 12 are movably installed in the inside of fixed slot 8, the bottom of connecting rod one 12 is fixedly installed with moving plate 9, and the moving plate 9 is two groups and is located at the left and right sides in the inside of movable plate 5,

[0029] The inside of movable plate 5 is rotatably installed with worm wheel ring 11, and the left and right ends of the top of worm wheel ring 11 are hingedly connected with hinge rod 10, the other end of hinge rod 10 is hingedly connected with moving plate 9, the inside of movable plate 5 is fixedly installed with motor one 13, the output shaft of motor one 13 is fixedly connected with worm 14, and worm 14 is in transmission connection with worm wheel ring 11.

[0030] When needing to carry out center alignment, staff first starts motor two 15, makes screw rod 16 drive movable plate 5 along with the screw thread sleeve and moves to the bottom most along support frame 2, then passes movable plate 5 with the bottom of workpiece, and places it in the inside of clamping mechanism 3, then staff starts motor three 19 through PLC, and driving wheel 20 drives gear ring 18 to rotate, at this time, because connecting rod two 25 is movably installed in the inside of arc-shaped groove 23, makes the inner wall of arc-shaped groove 23 drive connecting rod two 25 to displace when arc-shaped groove 23 rotates along with gear ring 18, and at this time, connecting rod two 25 is also movably installed in the inside of vertical slot 22, makes the displacement direction of connecting rod two 25 be limited, further makes connecting rod two 25 displace along vertical slot 22 to the center of fixed ring 17, at this time, four clamping blocks 21 clamp the bottom of workpiece, complete fixing, then staff starts motor two 15 again, and according to the length of workpiece, movable plate 5 moves to the top end of workpiece, then starts motor one 13, makes worm 14 rotate, worm 14 drives worm wheel ring 11 to rotate, when worm wheel ring 11 rotates, one end of hinge rod 10 will follow hinge rod 10 and move, makes the other end of hinge rod 10 drag moving plate 9 and displace, because moving plate 9 is fixedly connected with connecting rod one 12, and connecting rod one 12 is movably installed in the inside of fixed slot 8, two groups make moving plate 9 only displace along fixed slot 8 to the center of worm wheel ring 11, further, connecting rod one 12 pushes telescopic link one 7 inwards, makes four alignment rollers 6 position the top end of workpiece, prevent workpiece from deviating, finally, through center alignment subassembly 4, the automatic alignment of workpiece is completed.

[0031] The worm 14 drives the worm gear ring 11 to rotate through the operation of the motor 13, so that the other end of the articulated rod 10 drags the moving plate 9 to displace. Since the moving plate 9 and the connecting rod 12 are fixedly connected, and the connecting rod 12 is movably installed in the fixed groove 8, the two groups make the moving plate 9 only displace along the fixed groove 8 to the center of the worm gear ring 11, so that the positioning roller 6 positions the workpiece. Compared with the traditional device, the device can move the movable plate 5 to the top end of the workpiece according to the length of the workpiece through the screw 16, and the positioning roller 6 can stably support the top of the workpiece through the operation of the motor 13, so as to ensure the center positioning quality of the center positioning assembly 4 and prevent deviation.

[0032] The clamping mechanism 3 comprises a fixed ring 17 fixedly installed in the inside of the base 1, a gear ring 18 rotatably installed at the top of the fixed ring 17, and a motor 19 fixedly installed at the left side of the base 1. The output shaft of the motor 19 is fixedly connected with a driving wheel 20, and the driving wheel 20 and the gear ring 18 are meshed with each other.

[0033] The staff starts the motor 19 through PLC, so that the driving wheel 20 drives the gear ring 18 to rotate. At this time, since the connecting rod 25 is movably installed in the arc-shaped groove 23, the inner wall of the arc-shaped groove 23 drives the connecting rod 25 to displace when the arc-shaped groove 23 rotates with the gear ring 18. At this time, the connecting rod 25 is also movably installed in the vertical groove 22, so that the displacement direction of the connecting rod 25 is limited, and the connecting rod 25 further displaces along the vertical groove 22 to the center of the fixed ring 17. At this time, the four groups of clamping blocks 21 clamp the bottom of the workpiece, and the clamping is completed.

[0034] The driving wheel 20 drives the gear ring 18 to rotate through the operation of the motor 19, and the inner wall of the arc-shaped groove 23 drives the connecting rod 25 to displace when the arc-shaped groove 23 rotates with the gear ring 18. The four groups of clamping blocks 21 clamp the bottom of the workpiece, and the clamping is completed. Compared with the traditional device, the device can make the four groups of clamping blocks 21 displace inward at the same time to clamp the bottom of the workpiece through the rotation of the gear ring 18. The workpiece is automatically fixed while preventing deviation, which reduces the work burden of the staff and improves the positioning efficiency.

[0035] The motor 15 is fixedly installed at the left side of the support frame 2, the output shaft of the motor 15 is fixedly connected with the screw 16, and the screw 16 is rotatably installed at the left side of the support frame 2 and is threadedly sleeved with the movable plate 5.

[0036] The staff starts the motor 15, so that the screw 16 drives the movable plate 5 which is threadedly sleeved with the screw 16 to move up and down along the support frame 2, and the position adjustment of the movable plate 5 is completed.

[0037] The inner part of the fixed ring 17 is movably provided with four sets of telescopic rods two 24, and one end of the four sets of telescopic rods two 24 is fixedly provided with a clamping block 21.

[0038] When the gear ring 18 rotates, the connecting rod two 25 pushes the telescopic rod two 24, and further makes the clamping block 21 clamp the bottom of the workpiece.

[0039] The top of the fixed ring 17 is provided with four sets of vertical grooves 22, the inner part of the four sets of vertical grooves 22 is movably provided with a connecting rod two 25, and the bottom of the connecting rod two 25 is fixedly connected with the telescopic rod two 24.

[0040] When the gear ring 18 rotates, the connecting rod two 25 is movably installed in the inner part of the vertical groove 22, so that the displacement direction of the connecting rod two 25 is limited, and further the connecting rod two 25 is displaced along the vertical groove 22 to the center of the fixed ring 17.

[0041] The inner part of the gear ring 18 is provided with four sets of arc-shaped grooves 23, and the inner part of the four sets of arc-shaped grooves 23 is movably provided with a connecting rod two 25.

[0042] Since the connecting rod two 25 is movably installed in the inner part of the arc-shaped groove 23, when the arc-shaped groove 23 rotates with the gear ring 18, the inner wall of the arc-shaped groove 23 drives the connecting rod two 25 to displace.

[0043] The center alignment assembly 4, the motor two 15, the motor one 13 and the motor three 19 are all controlled through a PLC controller.

[0044] The working principle and use process of the utility model are as follows:

[0045] When the center alignment needs to be carried out, the staff first starts the motor two 15, the lead screw 16 drives the movable plate 5 which is sleeved with the threaded sleeve to move downwards along the support frame 2 to the bottom, then the bottom of the workpiece is passed through the movable plate 5 and is placed in the inside of the clamping mechanism 3, then the staff starts the motor three 19 through the PLC, the driving wheel 20 drives the gear ring 18 to rotate, at this time, since the connecting rod two 25 is movably installed in the arc-shaped groove 23, when the arc-shaped groove 23 rotates following the gear ring 18, the inner wall of the arc-shaped groove 23 will drive the connecting rod two 25 to displace, and at this time, the connecting rod two 25 is also movably installed in the vertical groove 22, so that the displacement direction of the connecting rod two 25 is limited, further making the connecting rod two 25 displace along the vertical groove 22 to the center of the fixed ring 17, at this time, the four sets of clamping blocks 21 clamp the bottom of the workpiece, and the fixing is completed, then the staff starts the motor two 15 again, and according to the length of the workpiece, the movable plate 5 is moved to the top end of the workpiece, then the staff starts the motor one 13, the worm 14 rotates, the worm 14 drives the worm gear ring 11 to rotate, when the worm gear ring 11 rotates, one end of the hinged rod 10 will follow the hinged rod 10 to move, so that the other end of the hinged rod 10 drags the moving plate 9 to displace, since the moving plate 9 and the connecting rod one 12 are fixedly connected, and the connecting rod one 12 is movably installed in the fixed groove 8, the two groups make the moving plate 9 only displace along the fixed groove 8 to the center direction of the worm gear ring 11, further, the connecting rod one 12 pushes the telescopic rod one 7 inwards, so that the four sets of alignment rollers 6 position the top end of the workpiece, preventing the workpiece from deviating, and finally the center alignment assembly 4 completes the automatic alignment of the workpiece.

[0046] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0047] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Automatic centering mechanism for machining, comprising a base (1), characterized in that: The top of the base (1) is fixedly provided with a support frame (2), the inside of the base (1) is provided with a clamping mechanism (3), the top of the support frame (2) is provided with a center alignment assembly (4), and the outer wall of the support frame (2) is sleeved with a movable plate (5). The inside of the movable plate (5) is movably provided with four telescopic rods (7) at four corners, one end of the telescopic rod (7) is fixedly connected with an alignment roller (6), the other end of the telescopic rod (7) is fixedly connected with a connecting rod (12), four groups of fixed grooves (8) are formed in the inside of the movable plate (5), and the four groups of connecting rods (12) are movably arranged in the inside of the fixed grooves (8), and the bottom of the connecting rod (12) is fixedly provided with a moving plate (9). The inside of the movable plate (5) is rotatably provided with a worm gear ring (11), the left and right ends of the top of the worm gear ring (11) are hingedly provided with a hinge rod (10), the other end of the hinge rod (10) is hingedly connected with the moving plate (9), the inside of the movable plate (5) is fixedly provided with a motor (13), the output shaft of the motor (13) is fixedly connected with a worm (14), and the worm (14) is in transmission connection with the worm gear ring (11).

2. The automatic centering mechanism for machining according to claim 1, characterized in that: The clamping mechanism (3) comprises a fixed ring (17) fixedly arranged in the inside of the base (1), a gear ring (18) rotatably arranged at the top of the fixed ring (17), a motor (19) fixedly arranged at the left side of the base (1), an output shaft of the motor (19) fixedly connected with a driving wheel (20), and the driving wheel (20) and the gear ring (18) are in meshing connection.

3. The automatic centering mechanism for machining according to claim 1, characterized in that: The left side of the support frame (2) is fixedly provided with a motor (15), the output shaft of the motor (15) is fixedly connected with a lead screw (16), and the lead screw (16) is rotatably arranged at the left side of the support frame (2) and is in threaded connection with the movable plate (5).

4. The automatic centering mechanism for machining according to claim 2, characterized in that: The inside of the fixed ring (17) is movably provided with four groups of telescopic rods (24), and one end of the four groups of telescopic rods (24) is fixedly provided with a clamping block (21).

5. The automatic centering mechanism for machining according to claim 2, characterized in that: The top of the fixed ring (17) is provided with four groups of vertical grooves (22), the inside of the four groups of vertical grooves (22) is movably provided with a connecting rod (25), and the bottom of the connecting rod (25) is fixedly connected with the telescopic rod (24).

6. The automatic centering mechanism for machining according to claim 2, characterized in that: The inside of the gear ring (18) is provided with four groups of arc-shaped grooves (23), and the inside of the four groups of arc-shaped grooves (23) is movably provided with a connecting rod (25).

7. The automatic centering mechanism for machining according to claim 1, characterized in that: The center alignment assembly (4), the motor (15), the motor (13) and the motor (19) are controlled by a PLC controller.

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