Clamping and limiting mechanism for bar machining

Abstract

The utility model relates to the field of clamping and limiting mechanisms, in particular to a clamping and limiting mechanism for bar machining. According to the technical scheme, a fixed hollow disc is arranged at the upper end of a fixed telescopic column, a fixed supporting block is arranged on the fixed hollow disc, a lead screw motor is arranged on the fixed supporting block, a lead screw is in transmission connection with the lead screw motor, a rotary hollow connecting disc is in clearance fit with the lead screw, and a fixed shaft is arranged outside the rotary hollow connecting disc; a connecting arm is rotationally connected to the fixing shaft, a clamping circle is arranged at one end of the connecting arm, and a movable sleeve block is slidably connected to the connecting arm. The fixed hollow disc is fixedly connected with the fixed supporting block, and the screw rod motor is started to drive the screw rod to rotate, so that the rotary hollow connecting disc rotates, the fixed shaft is connected with the connecting arm, the clamping circle clamps bars, the movable sleeve block moves, and the bars with different diameters are clamped.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping limiting mechanism field, especially a clamping limiting mechanism for bar processing. BACKGROUND

[0002] Bar processing not only can promote the quality and performance of product, can also optimize production flow, reduce cost, and has the important role that can not be ignored to the development of whole industry chain.

[0003] The existing bar is mostly according to the diameter size of bar to manually adjust the clamping limiting mechanism when cutting processing, and manually adjusting the clamping limiting mechanism is more troublesome, and the bar of different diameter sizes needs to be adjusted differently, leading to inconvenient use.

[0004] Therefore, aiming at the above-mentioned existing manual adjustment clamping limiting mechanism is more troublesome, a clamping limiting mechanism for bar processing can be designed to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the existing bar mostly according to the diameter size of bar to manually adjust the clamping limiting mechanism, and manually adjusting the clamping limiting mechanism is more troublesome, so the bar may need to be clamped and adjusted differently when cutting processing, leading to the inconvenience of use.

[0006] The utility model discloses a clamping limiting mechanism for bar processing, including universal wheel, sinking type filter water storage tank, pump, water pipe, shower nozzle, fixed slide rail, mobile telescopic column, rotation motor, rotation telescopic column, cutting motor, cutting shaft, cutting knife, fixed telescopic column, fixed hollow disc, fixed support block, screw rod motor, screw rod, rotary hollow connecting disc, fixed shaft, connecting arm, clamping circle, mobile sleeve block, the upper end of universal wheel is provided with sinking type filter water storage tank, one side of sinking type filter water storage tank is provided with pump, the upper end of pump is provided with water pipe, is provided with shower nozzle on water pipe, the other side of sinking type filter water storage tank is provided with fixed slide rail, and the mobile telescopic column is slidably connected on fixed slide rail, the upper end of mobile telescopic column is provided with rotation motor, and the rotation motor is connected with rotation telescopic column, and rotation telescopic column is provided with cutting motor, and cutting motor is connected with cutting shaft, and cutting shaft is provided with cutting knife, and the rear end of sinking type filter water storage tank is provided with fixed telescopic column, and the upper end of fixed telescopic column is provided with fixed hollow disc, and fixed hollow disc is provided with fixed support block, and fixed support block is provided with screw rod motor, and screw rod motor is connected with screw rod, and the clearance of screw rod is matched with rotary hollow connecting disc, and the outside of rotary hollow connecting disc is provided with fixed shaft, and fixed shaft is rotatably connected with connecting arm, and one end of connecting arm is provided with clamping circle, and connecting arm is slidably connected with mobile sleeve block.

[0007] As preferred, four universal wheels are arranged around the lower end of the sunken filter water storage tank.

[0008] As preferred, the sunken filter water storage tank, the pump, the water pipe and the spray head are arranged as a whole, and the sunken filter water storage tank is arranged as a sunken water storage structure, and a sunken filter screen is arranged in the sunken filter water storage tank.

[0009] As preferred, the fixed slide rail, the movable telescopic column, the rotating motor, the rotating telescopic column, the cutting motor, the cutting shaft and the cutting knife are arranged as a whole, and the fixed slide rail is fixedly connected with the sunken filter water storage tank.

[0010] As preferred, the movable telescopic column and the fixed slide rail are arranged in sliding connection, the movable telescopic column is arranged in vertical telescopic manner, the rotating telescopic column is arranged in electrical connection with the rotating motor, and the rotating telescopic column is arranged in L shape, and the telescopic column is arranged at the L position.

[0011] As preferred, the fixed telescopic column, the fixed hollow disc, the fixed supporting block, the screw rod motor, the screw rod, the rotating hollow connecting disc, the fixed shaft, the connecting arm, the clamping circle and the movable sleeve block are arranged as a whole.

[0012] As preferred, the fixed shaft, the connecting arm, the clamping circle and the movable sleeve block are arranged as a group, and there are three groups in total, and the three groups are arranged between the fixed hollow disc and the rotating hollow connecting disc in annular arrangement.

[0013] The utility model discloses the beneficial effects of:

[0014] 1. The universal wheel is arranged to facilitate the movement of the whole device, the sunken filter water storage tank is arranged to store water, the pump is started to draw water from the water pipe to the spray head for spraying, and the cooling and lubrication during processing are realized. The movable telescopic column moves on the fixed slide rail to adjust the displacement, the movable telescopic column telescopes to adjust the height, the rotating motor is started to drive the rotating telescopic column to rotate, and the rotating telescopic column telescopes to realize telescopic adjustment, the cutting motor is started to drive the cutting shaft and the cutting knife to rotate and cut. The fixed telescopic column telescopes to realize height adjustment. The fixed hollow disc is fixedly connected with the fixed supporting block, the screw rod motor is started to drive the screw rod to rotate, so that the rotating hollow connecting disc rotates, the fixed shaft is connected with the connecting arm, the clamping circle clamps the bar, and the movable sleeve block adjusts the displacement to clamp the bar of different diameters. The manual adjustment of the clamping limiting mechanism according to the diameter of the bar is overcome, and the manual adjustment of the clamping limiting mechanism is more troublesome, so that the bar may need to be clamped and adjusted in different ways during cutting, and thus the use is inconvenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the clamping and limiting mechanism for bar processing is shown.

[0016] Figure 2 A universal wheel schematic view of the clamping and limiting mechanism for bar processing is shown.

[0017] Figure 3 A water pipe schematic view of the clamping and limiting mechanism for bar processing is shown.

[0018] Figure 4 A spray head schematic view of the clamping and limiting mechanism for bar processing is shown.

[0019] The reference signs are explained as follows: 1, universal wheel; 2, sunken filter water storage tank; 3, pump; 4, water pipe; 5, spray head; 6, fixed sliding rail; 7, movable telescopic column; 8, rotating motor; 9, rotating telescopic column; 10, cutting motor; 11, cutting shaft; 12, cutting knife; 13, fixed telescopic column; 14, fixed hollow disc; 15, fixed support block; 16, screw rod motor; 17, screw rod; 18, rotating hollow connecting disc; 19, fixed shaft; 20, connecting arm; 21, clamping circle; 22, movable sleeve block. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] It has been found that some common clamping and limiting mechanisms for bar processing in the prior art are as follows:

[0022] Universal bar clamping and limiting mechanism

[0023] Structural composition

[0024] Base and support seat: the base is the basis of the entire mechanism, and the support seat is limitingly connected with the base to realize a detachable function, facilitating equipment maintenance and part replacement.

[0025] Height adjusting plate: provided on the support seat, the height adjusting plate is provided with a bar support assembly and a bar limiting assembly, and the installation height of the height adjusting plate on the support seat can be adjusted through a height adjusting assembly to adapt to the processing requirements of bars of different specifications and sizes.

[0026] Bar support assembly: including a support block, the support block is limitingly connected with a mounting groove on the height adjusting plate, and the support block is provided with a wear-resistant block made of diamond material, and a V-shaped groove on the wear-resistant block is used for placing a bar.

[0027] The bar limiting assembly is mainly composed of a press-over cylinder, a linkage assembly and a wear-resistant pressure head. The press-over cylinder is connected with the height adjusting plate, and the output end thereof drives the wear-resistant pressure head to be connected with or separated from the wear-resistant block through the linkage assembly, so that the bar is limited. The linkage assembly comprises a cylinder connecting block and a swing block, the swing block is provided with a guide clamping groove and is slidably connected with a guide limiting column on the height adjusting plate, so as to ensure the stability of movement.

[0028] The press-over assembly is located on the base and comprises a press-over block. One end of the press-over block is provided with a press-over inclined surface which cooperates with a limiting inclined surface on the support seat. The two are abutted by a locking screw to limit the support seat on the base. The press-over block is further provided with a tensioning screw to further ensure the stability of the connection.

[0029] Axial clamping positioning device

[0030] Structural composition

[0031] Positioning component: a positioning rod connected to the main shaft in the radial direction and passing through the main shaft axis, used to realize the positioning of the end of the bar and avoid the axial positioning error caused by the diameter difference of the bar.

[0032] Horizontal clamping component: provided on the elastic claw, the elastic claw has single petal bodies distributed at intervals in the circumferential direction on one side, and the horizontal clamping component is a horizontal clamping plate horizontally hinged on the inner surface of each single petal body, which can be in flat contact with the peripheral surface of the bar in the contracted deformation state.

[0033] Positioning and clamping device for cutting aluminum alloy bar

[0034] Structural composition

[0035] Workbench and support frame: the top surface of the workbench is provided with a bar arc-shaped groove and a clamping movable groove, and the bottom surface is fixedly connected with a support frame.

[0036] Limiting mechanism: comprising a limiting frame, a return spring, a guide rod, a limiting block and a ball. The limiting frame is fixed on the top surface of the workbench, the return spring is connected to the side surface of the limiting frame, the limiting block is slidably connected with the limiting frame through the guide rod, the arc-shaped inner side of the limiting block is provided with a connecting hole, and the ball is movably connected to the inner wall of the hole. The limiting mechanism generally has two groups and is symmetrical to each other, located on both sides of the bar arc-shaped groove, and can limit the feeding of the aluminum alloy bar, facilitating the subsequent clamping and positioning work.

[0037] Positioning and fixing mechanism: composed of a motor, a bidirectional threaded rod, a limiting slide rod, a sliding block and a positioning block. The motor is fixed on the side surface of the workbench, the bidirectional threaded rod is rotatably connected to the inner wall of the clamping movable groove on both sides, the output end of the motor is connected with the bidirectional threaded rod, the limiting slide rod is fixed on the inner wall of the clamping movable groove on both sides, the sliding block is threadedly connected to the opposite threaded surfaces of the bidirectional threaded rod, the top surface of the sliding block is fixedly connected with the positioning block, and the arc-shaped inner side of the positioning block is fixedly connected with a non-slip pad. The positioning block can stably clamp aluminum alloy bars of different diameters, facilitating cutting.

[0038] Small diameter bar vertical clamping mechanism

[0039] Structure composition

[0040] Base and top plate: the base is spliced into a hollow box by multiple connecting plates, and the top plate is fixedly installed above the base.

[0041] Lower clamping arm: one end is fixed on the side of the base, and the other end is provided with a clamping groove, and the end of the clamping groove is provided with a detachable connecting clamping seat. By replacing the clamping seat, it can be suitable for clamping bars of different specifications. The cross-sectional shape of the clamping groove is usually V-shaped.

[0042] Upper clamping arm: corresponding to the lower clamping arm, the clamping piece thereon corresponds to the clamping groove and is also designed as a detachable mechanism. The end surface for clamping is a plane, which forms a line contact with the bar to provide sufficient clamping force.

[0043] Guide block and elastic element: the upper part of the top plate of the box base is provided with a movable channel, the mounting part of the top surface of the guide block passes through the movable channel and is fixedly connected with the upper clamping arm, and the shoulder part of the guide block is provided with an elastic element, usually a spring, between the top plate. One end of the spring abuts against the bottom of the blind hole, and the other end abuts against the bottom surface of the top plate, so that the guide block drives the upper clamping arm to move downward under the action of the elastic force, realizing the clamping of the clamping piece to the bar.

[0044] Driving mechanism: including a driving slider located below the guide block and a driver outside the box base, the driver can be a stroke motor or a pneumatic cylinder. The telescopic rod of the driver is inserted into the base and fixedly connected with the slider, which can drive the slider to slide horizontally relative to the base. The top surface of the slider and the bottom surface of the guide block are in close contact, and are respectively provided with a first guide slope and a second guide slope which are complementary to each other, as well as a limiting column and a limiting groove, which can drive the clamping piece and the clamping groove to separate in the vertical direction and stagger in the horizontal direction, solving the problem of feeding interference.

[0045] Mounting plate and adjusting mechanism: the bottom surface of the base is fixedly connected with a mounting plate, the front surface of the mounting plate is provided with a bearing, and the rear surface is provided with an adjusting motor. The output shaft passes through the U-shaped long hole of the mounting plate and is fixedly connected with an eccentric wheel, which abuts against the outer ring of the bearing, for adjusting the position of the base in the height direction. The bottom surface of the mounting plate is fixedly connected with a dovetail seat, the top end surface of the mounting seat below the dovetail seat protrudes to form a dovetail block, which is inserted into the dovetail groove of the dovetail seat and can slide in the horizontal direction, for adjusting the position of the clamping mechanism in the horizontal direction.

[0046] Please refer to Figures 1-4The utility model provides a kind of embodiment: a clamping limiting mechanism for bar processing, including universal wheel 1, sinking filter water storage tank 2, pump 3, water pipe 4, spray head 5, fixed slide rail 6, mobile telescopic column 7, rotating motor 8, rotating telescopic column 9, cutting motor 10, cutting shaft 11, cutting knife 12, fixed telescopic column 13, fixed hollow disc 14, fixed support block 15, screw rod motor 16, screw rod 17, rotary hollow connecting disc 18, fixed shaft 19, connecting arm 20, clamping circle 21, mobile sleeve block 22, the upper end of universal wheel 1 is provided with sinking filter water storage tank 2, one side of sinking filter water storage tank 2 is provided with pump 3, the upper end of pump 3 is provided with water pipe 4, water pipe 4 is provided with spray head 5, the other side of sinking filter water storage tank 2 is provided with fixed slide rail 6, mobile telescopic column 7 is slidably connected on fixed slide rail 6, the upper end of mobile telescopic column 7 is provided with rotating motor 8, rotating motor 8 is dynamically connected with rotating telescopic column 9, rotating telescopic column 9 is provided with cutting motor 10, cutting motor 10 is dynamically connected with cutting shaft 11, cutting shaft 11 is provided with cutting knife 12, the rear end of sinking filter water storage tank 2 is provided with fixed telescopic column 13, the upper end of fixed telescopic column 13 is provided with fixed hollow disc 14, fixed hollow disc 14 is provided with fixed support block 15, fixed support block 15 is provided with screw rod motor 16, screw rod motor 16 is dynamically connected with screw rod 17, screw rod 17 is gap fitted with rotary hollow connecting disc 18, the outside of rotary hollow connecting disc 18 is provided with fixed shaft 19, fixed shaft 19 is rotatably connected with connecting arm 20, one end of connecting arm 20 is provided with clamping circle 21, connecting arm 20 is slidably connected with mobile sleeve block 22. Universal wheel 1 is convenient to drive overall device to move, water is stored in sinking filter water storage tank 2, pump 3 is started, water is pumped from water pipe 4 to spray head 5 to spray water, realizes the cooling and lubrication when processing. Mobile telescopic column 7 moves on fixed slide rail 6, displacement adjustment is carried out, mobile telescopic column 7 telescopes to carry out height adjustment, rotating motor 8 is started, drives rotating telescopic column 9 to rotate, while rotating telescopic column 9 telescopes, realizes telescopic adjustment, cutting motor 10 is started, drives cutting shaft 11 and cutting knife 12 to rotate and cut. Universal wheel 1 is provided with four, and is respectively arranged at the lower end of sinking filter water storage tank 2. Sinking filter water storage tank 2, pump 3, water pipe 4 and spray head 5 are arranged as a whole, and sinking filter water storage tank 2 is arranged as sinking water storage structure, sinking filter screen is arranged in its inside. Fixed slide rail 6, mobile telescopic column 7, rotating motor 8, rotating telescopic column 9, cutting motor 10, cutting shaft 11, cutting knife 12 are arranged as a whole, and are fixedly connected with sinking filter water storage tank 2 through fixed slide rail 6. Mobile telescopic column 7 and fixed slide rail 6 are arranged as sliding connection, mobile telescopic column 7 is arranged as vertical telescopic, rotating telescopic column 9 is electrically connected with rotating motor 8, and rotating telescopic column 9 is arranged as L shape, and is provided with telescopic at L.The fixed telescopic column 13, the fixed hollow disc 14, the fixed support block 15, the screw rod motor 16, the screw rod 17, the rotating hollow connecting disc 18, the fixed shaft 19, the connecting arm 20, the clamping circle 21 and the moving sleeve block 22 are arranged as a whole. The fixed shaft 19, the connecting arm 20, the clamping circle 21 and the moving sleeve block 22 are arranged as a group, and three groups are arranged in total, and the three groups are arranged between the fixed hollow disc 14 and the rotating hollow connecting disc 18 in a ring shape. The fixed telescopic column 13 is telescopic to realize height adjustment. The fixed hollow disc 14 is fixedly connected with the fixed support block 15, the screw rod motor 16 is started to drive the screw rod 17 to rotate, so that the rotating hollow connecting disc 18 rotates, the fixed shaft 19 is connected with the connecting arm 20, the clamping circle 21 clamps the bar material, and the moving sleeve block 22 moves to clamp the bar material with different diameters.

[0047] When working, the universal wheel 1 facilitates moving the whole device, water is stored in the sunken filter water storage tank 2, the pump 3 is started to draw water from the water pipe 4 to the spray head 5 to spray water, realizing cooling and lubrication during processing. The movable telescopic column 7 moves on the fixed slide rail 6 to adjust the displacement, the movable telescopic column 7 is telescopic to adjust the height, the rotating motor 8 is started to drive the rotating telescopic column 9 to rotate, and the rotating telescopic column 9 is telescopic to realize telescopic adjustment, the cutting motor 10 is started to drive the cutting shaft 11 and the cutting knife 12 to rotate and cut. The fixed telescopic column 13 is telescopic to realize height adjustment. The fixed hollow disc 14 is fixedly connected with the fixed support block 15, the screw rod motor 16 is started to drive the screw rod 17 to rotate, so that the rotating hollow connecting disc 18 rotates, the fixed shaft 19 is connected with the connecting arm 20, the clamping circle 21 clamps the bar material, the moving sleeve block 22 moves to clamp the bar material with different diameters, and all the work is completed.

[0048] Through the above steps, by setting the universal wheel 1 facilitates the overall device to move, sinking filter water storage tank 2 in water storage, pump 3 start, water from the water pipe 4 to the nozzle 5 for water work, realize the cooling and lubrication when processing. Mobile telescopic column 7 moves on the fixed slide rail 6, displacement adjustment, telescopic column 7 telescopic height adjustment, rotating motor 8 start, drive rotating telescopic column 9 rotation, while rotating telescopic column 9 telescopic, realize telescopic adjustment, cutting motor 10 start, drive cutting shaft 11 and cutting knife 12 rotation cutting. Fixed telescopic column 13 telescopic, realize height adjustment. Fixed hollow disc 14 fixed connection fixed support block 15, screw rod motor 16 start, drive screw rod 17 rotation, so that the rotating hollow connecting disc 18 rotation, fixed shaft 19 and connecting arm 20 connection, clamping circle 21 clamping bar material, moving sleeve block 22 displacement, realize the clamping of different diameter bar material. Overcome the existing mostly according to the diameter of the bar material size on the clamping limit mechanism manual adjustment work, and manual adjustment clamping limit mechanism is more troublesome, therefore bar material in cutting processing, may need to different diameter size of bar material different clamping adjustment, thus lead to the use of the inconvenience of the shortcomings.

[0049] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the utility model.

Claims

1. A clamping and limiting mechanism for bar processing, comprising a universal wheel (1), characterized in that: The utility model also includes sinking filter water storage tank (2), pump (3), water pipe (4), shower nozzle (5), fixed slide rail (6), mobile telescopic column (7), rotary motor (8), rotary telescopic column (9), cutting motor (10), cutting shaft (11), cutting knife (12), fixed telescopic column (13), fixed hollow disc (14), fixed support block (15), screw rod motor (16), screw rod (17), rotary hollow connecting disc (18), fixed shaft (19), connecting arm (20), clamping circle (21), mobile sleeve block (22), the upper end of universal wheel (1) is provided with sinking filter water storage tank (2), one side of sinking filter water storage tank (2) is provided with pump (3), the upper end of pump (3) is provided with water pipe (4), and the water pipe (4) is provided with shower nozzle (5), the other side of sinking filter water storage tank (2) is provided with fixed slide rail (6), and mobile telescopic column (7) is slidably connected on fixed slide rail (6), and the upper end of mobile telescopic column (7) is provided with rotary motor (8), and rotary motor (8) is drivenly connected with rotary telescopic column (9), and rotary telescopic column (9) is provided with cutting motor (10), and cutting motor (10) is drivenly connected with cutting shaft (11), and cutting shaft (11) is provided with cutting knife (12), and the rear end of sinking filter water storage tank (2) is provided with fixed telescopic column (13), and the upper end of fixed telescopic column (13) is provided with fixed hollow disc (14), and fixed hollow disc (14) is provided with fixed support block (15), and fixed support block (15) is provided with screw rod motor (16), and screw rod motor (16) is drivenly connected with screw rod (17), and screw rod (17) is gap fit with rotary hollow connecting disc (18), and the outside of rotary hollow connecting disc (18) is provided with fixed shaft (19), and fixed shaft (19) is rotatably connected with connecting arm (20), and one end of connecting arm (20) is provided with clamping circle (21), and connecting arm (20) is slidably connected with mobile sleeve block (22).

2. The clamping and limiting mechanism for bar processing according to claim 1, characterized in that: Universal wheel (1) is provided with four, and is respectively arranged at the lower end of sinking filter water storage tank (2) four around.

3. The clamping and limiting mechanism for bar processing according to claim 1, characterized in that: Sinking filter water storage tank (2), pump (3), water pipe (4) and shower nozzle (5) are set as a whole, and sinking filter water storage tank (2) is set as sinking water storage structure, and sinking filter screen is arranged in its inside.

4. The clamping and limiting mechanism for bar processing according to claim 1, characterized in that: Fixed slide rail (6), mobile telescopic column (7), rotary motor (8), rotary telescopic column (9), cutting motor (10), cutting shaft (11), cutting knife (12) are set as a whole, and are fixedly connected with sinking filter water storage tank (2) through fixed slide rail (6).

5. The clamping and limiting mechanism for bar processing according to claim 1, characterized in that: Mobile telescopic column (7) and fixed slide rail (6) are slidably connected, mobile telescopic column (7) is set as vertical telescopic, rotary telescopic column (9) is electrically connected with rotary motor (8), and rotary telescopic column (9) is set as L shape, and is set with telescopic at L.

6. The clamping and limiting mechanism for bar processing according to claim 1, characterized in that: The fixed telescopic column (13), the fixed hollow disc (14), the fixed supporting block (15), the screw rod motor (16), the screw rod (17), the rotating hollow connecting disc (18), the fixed shaft (19), the connecting arm (20), the clamping circle (21) and the moving sleeve block (22) are arranged as a whole.

7. The clamping and limiting mechanism for bar processing according to claim 1, characterized in that: The fixed shaft (19), the connecting arm (20), the clamping circle (21) and the moving sleeve block (22) are arranged as a group, and three groups are arranged in total, and the three groups are arranged between the fixed hollow disc (14) and the rotating hollow connecting disc (18) and are arranged in a ring shape.

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