CN217453605U

CN217453605U - Simple clamping device for upright fixing of circular pipe fitting

Info

Publication number: CN217453605U
Application number: CN202220861943.3U
Authority: CN
Inventors: 黎昊港
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-09-20
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a simple clamping device for vertically fixing a circular pipe fitting, which comprises a base, wherein a supporting cylinder body is arranged on the base, 3-4 windows are arranged on the side wall of the supporting cylinder body at intervals, a stop block is arranged at one end of the inner side of the window, a pin shaft is axially arranged in the window close to one end of the stop block along the supporting cylinder body, a clamping block is movably connected on the pin shaft, the pin shaft is taken as the center, one end of the clamping block is an interactive plate, the other end is a tapered end, the clamping block is provided with an inclined plane, a spring is arranged between the interactive plate and the stop block, a thread is arranged on the side wall of the supporting cylinder body, a locking sleeve is connected on the supporting cylinder body through the thread, a pulling rod is arranged on the outer wall of the locking sleeve, a cavity is arranged on the inner arm of the locking sleeve opposite to the window, a pressing block is fixedly arranged in the cavity through the screw rod, the pressing block is provided with a pressing head, the utility model has simple and compact structure and labor-saving operation, convenient and fast, use reliably, press from both sides tight atress equilibrium, can not damage the pipe fitting, also need not appurtenance, labour saving and time saving.

Description

Simple clamping device for vertical fixing of circular pipe fitting

Technical Field

The utility model relates to a clamping device especially relates to a simple and easy clamping device that is used for circular pipe fitting when upright fixed.

Background

In various industries, circular pipe members such as metal, plastic, and glass are often subjected to processing, loading, and the like in a vertically fixed state. Such as: the end face of the pipe fitting is provided with a notch, a hole, a chamfer, surface polishing, spraying and the like, and the circular pipe fitting can be filled with materials, cleaned or inserted (butted) and the like in a vertical fixed state. At present, the circular pipe fitting is vertically fixed by using bench clamps or clamping plates in mechanical or manual processing under the vertical state, but the fixing modes have the following defects in use: firstly, the circular pipe fitting can be reliably fixed by using some auxiliary tools and wedges, triangular blocks, gaskets and the like with different shapes, and the circular pipe fitting is not only troublesome to assemble and disassemble and inconvenient to operate, but also takes time and takes materials; secondly, when the round pipe fitting is cleaned or inserted (butted) at a fixed point by adopting fixed-point pneumatic or mechanical impact in an upright state, the round pipe fitting can loosen and shift, and the cleaning or inserting work efficiency is influenced; and the plastic and glass round pipe fittings are clamped and fixed on the bench clamp, so that the round pipe fittings are easy to damage and destroy due to improper operation.

SUMMERY OF THE UTILITY MODEL

To the fixed problem that exists under processing or work in the vertical among the above-mentioned prior art at circular pipe fitting, the utility model provides a simple structure is compact, convenient operation is swift, use safe and reliable, presss from both sides tight atress equilibrium, can not damage circular pipe fitting's simple and easy clamping device.

The to-be-solved technical problem of the utility model is that: a simple clamping device for vertically fixing a circular pipe fitting comprises a base, wherein a supporting barrel is arranged on the base, 3-4 windows are arranged on the side wall of the supporting barrel at intervals, a stop block is arranged at one end of the inner side of each window, a pin shaft is arranged in the window close to one end of the stop block along the axial direction of the supporting barrel, a clamping block is movably connected onto the pin shaft, the pin shaft serves as the center, one end of the clamping block serves as an interaction plate, the other end of the clamping block serves as a lock head, the clamping block is provided with an inclined surface, a spring is arranged between the interaction plate and the stop block, threads are arranged on the side wall of the supporting barrel, a locking sleeve is connected with the side wall of the supporting barrel through the threads, a pulling rod is arranged on the outer wall of the locking sleeve, a cavity is arranged on the inner wall of the locking sleeve opposite to the window, a pressing block is fixedly arranged in the cavity through a fastening screw rod, the pressing block is provided with a pressing head, and can freely rotate and swing in the space of the window under the action of the pressing block and the spring, when the locking sleeve rotates clockwise, the clamping block swings clockwise in the window around the pin shaft under the extrusion action of the pressure head, and the pressure head can cling to the inclined surface and enable the lock head on the clamping block to press the round pipe fitting; when the locking sleeve rotates clockwise, the pressing block rotates anticlockwise in the window along with the locking sleeve, the pressing head leaves the inclined plane, the clamping block swings anticlockwise around the pin shaft under the action of the spring, and the lock head on the clamping block is separated from the circular pipe fitting.

The utility model discloses with the manual clockwise rotation lock sleeve of pulling the pole, make all briquetting on the lock sleeve inner arm along with the lock sleeve at the window internal rotation, when the pressure head on the briquetting rotated to with press from both sides the inclined plane contact on the tight piece, press from both sides tight piece and swing around the round pin axle clockwise after the effect of pressure head extrusion, make the tapered end on all tight pieces of clamp become three point or four-point synchronous and compress tightly on circular pipe fitting surface, thereby as long as rotate a less angle with the lock sleeve clockwise, just can compress tightly circular pipe fitting, the same reason is with pulling the manual less angle of counterclockwise rotation of lock sleeve, the pressure head separates with the inclined plane on pressing from both sides tight piece, press from both sides tight piece and do the anticlockwise swing under spring action, make the tapered end on pressing from both sides tight piece leave circular pipe fitting in step, circular pipe fitting loosens.

The utility model discloses further: the lower end of the outer surface of the locking sleeve is provided with a gear ring, the base is provided with a servo motor and a speed reducer, a pinion is arranged on an output shaft of the servo motor through a locking screw, the pinion is meshed with the gear ring at the lower end of the outer surface of the locking sleeve, the servo motor is controlled to rotate forwards and backwards through a PLC (programmable logic controller), related electrical components and the like, the locking sleeve is driven to rotate and swing at a corresponding small angle clockwise or anticlockwise, and therefore clamping, fixing and loosening and taking out of the round pipe fitting can be achieved quickly.

The utility model discloses when adopting manual operation to realize that circular pipe fitting is upright fixed, should loosen the set screw between pinion and servo motor's the output shaft terminal surface, take out the pinion, the power is closed, does not receive the interference when guaranteeing the manual rotation of lock sleeve.

The utility model discloses for the convenience of being convenient for make up lock sleeve and support barrel, after the lock sleeve links to each other the rotation with the screw thread combination for the support barrel, will support the window on the barrel and dock with the cavity on the lock sleeve, reuse fastening screw 13 fixes the briquetting in the cavity. The window width between the window starting point 10 and the window end point 14 and the window depth (the depth is the arm thickness of the support cylinder) should not affect the maximum swing range of the clamping block.

The utility model discloses simple structure is compact, and the operation is laborsaving, convenient and fast, use reliably, press from both sides tight atress balanced, can not damage circular pipe fitting, also need not appurtenance, and same clamping device can be suitable for the upright clamp of the little multiple circular pipe fitting of external diameter phase difference and fix.

Drawings

Figure 1 is a cross sectional schematic view of the present invention in clamping a circular pipe,

figure 2 is a schematic cross-sectional view a-a of figure 1,

fig. 3 is a schematic sectional structure view of B-B of fig. 1.

In the figure, 1, a pressing block 2, a locking sleeve 3, a pressure head 4, a slope high point 5, a cavity 6, a supporting cylinder 7, a reinforcing plate 8, threads 9, a mounting groove 10, a window starting point 11, a slope 12, a window 13, a fastening screw 14, a window terminal point 15, a circular pipe piece 16, a stop 17, a lock head 18, a rotating track 19, a pinion 20, a spring 21, an interaction plate 22, a slope low point 23, a pin shaft 24, a clamping block 25, a pulling rod 26, a gear ring 27, an output shaft 28, a guide plate 29, a speed reducer 30, a servo motor 31, a base 32 and a locking screw.

Detailed Description

In the figure, the simple clamping device for vertically fixing the circular pipe fitting comprises a base 31, wherein a supporting cylinder body 6 is arranged on the base, reinforcing plates 7 are arranged between the supporting cylinder body and the base at intervals, mounting grooves 9 are arranged on the base at intervals, three windows 12 (three-point clamping) are uniformly distributed on the side wall of the supporting cylinder body at intervals (four windows can also be arranged and four points are clamped), a stop block 16 (the thickness of the stop block is less than one fifth of the wall thickness of the supporting cylinder body) is arranged at one end of the inner side of each window, a pin shaft 23 is arranged in the window close to one end of the stop block along the axial direction of the supporting cylinder body, clamping blocks 24 are movably connected on a rotating shaft, one clamping block is correspondingly arranged in each window, the clamping blocks are integrated and take the pin shaft as the center, one end of each clamping block is a lever-type clamping block with a movable plate 21 and the other end of a lock head 17, and the distance between the pin shaft and the tail end of an interaction plate is less than the distance between the pin shaft and the lock head, the clamping block is provided with an inclined plane 11, a spring 20 is arranged between the interactive plate 21 and the stop block 16, the height of the clamping block is slightly smaller than the height of the window, threads 8 are arranged on the side wall of the support barrel, a locking sleeve 2 is connected on the support barrel through threads, a cavity 5 is arranged on the inner wall of the locking sleeve opposite to the window, a pressing block 1 is fixedly arranged in the cavity through a fastening screw 13, the pressing block is provided with a wedge-shaped pressing head 3, most part of the pressing block is positioned in the cavity except the pressing head, two opposite pulling rods 25 are rotated by hands, the locking sleeve can rotate clockwise or anticlockwise (forward and reverse rotation), when the pressing block rotates clockwise along a rotating trajectory 18 (double-dot chain line) in the window along with the locking sleeve, the pressing head can cling to the inclined plane 11 of the clamping block 24 and approach to an inclined plane high point 4, the clamping block can swing clockwise (at the moment, the spring on one end of the interactive plate is stretched) under the gradual extrusion force of the pressing head, the three clamping blocks swing around the pin shaft in the same time under the extrusion action of the three pressing heads respectively and can enable the three locking heads 17 on the clamping blocks to synchronously press the round pipe fitting 15, so that the round pipe fitting is vertically fixed; when the pressing block rotates along the rotation track line 18 (double-dot chain line) in the window along the rotation track line 18 from the inclined plane high point 4 on the inclined plane 11 along the rotation track line 18 direction, the rotation track line 18 of the reverse rotation of the pressing head is always spaced from the inclined plane high point 4 to the inclined plane low point 22 (thereby ensuring that the swinging of the clamping block cannot be influenced when the pressing block rotates reversely, the locking head can be quickly separated from the round pipe fitting, the pressing head 3 is separated from the inclined plane (at the moment, the locking head on the clamping block is not influenced by external force, the clamping block swings reversely around the pin shaft under the action of the contraction force of the spring (at the moment, the external force is cancelled), the clamping block swings reversely around the pin shaft under the action of the contraction force of the spring and can separate the locking head on the clamping block from the round pipe fitting, the outer wall of the locking sleeve is provided with a pulling rod 25, and under the action of the pressing block and the spring, the clamping block can freely swing in the space of the window, the window width between the window starting point 10 and the window end point 14 and the window depth (the depth is the wall thickness of the support cylinder) should not affect the maximum swing range of the clamping block. In order to ensure that the circular pipe fitting of different specifications is at same the utility model discloses go up to press from both sides tightly reliably, unilateral maximum clearance is no longer than 10 millimeters between circular pipe fitting and the support barrel, that is to say all can accomplish circular pipe fitting upright fixed on the clamping device of same specification with the circular pipe fitting that the unilateral clearance of support barrel inner chamber is less than 10 millimeters.

The utility model discloses also can be provided with a week ring gear 26 at lock sleeve surface lower extreme, set up servo motor 30 and reduction gear 29 on the base, with the fixed pinion 19 that is equipped with of locking screw 32 on servo motor's output shaft 27 terminal surface (when adopting to rotate the locking dish by hand, close the power and loosen locking screw 32, take out the pinion), the output shaft passes the deflector 28 of fixing on supporting the barrel, the pinion meshes with the ring gear of lock sleeve surface lower extreme. The clockwise or counterclockwise rotation angle of the locking sleeve is ensured to ensure that the lock head on the clamping block can be firmly pressed when the lock head on the locking sleeve can be pressed to the maximum swinging position along with the clamping block within the minimum central angle range corresponding to the window.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the specific embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a simple and easy clamping device of circular pipe fitting upright fixed, it includes base (31), be provided with support barrel (6) on the base, characterized by: the window is characterized in that 3-4 windows (12) are arranged on the side wall of the supporting cylinder at intervals, one end of the inner side of each window is provided with a stop block (16), a pin shaft (23) is arranged in the window close to one end of the stop block along the axial direction of the supporting cylinder, a clamping block (24) is movably connected onto the pin shaft, the pin shaft is taken as the center, one end of the clamping block is an interactive plate (21), the other end of the clamping block is a lock head (17), the clamping block is provided with an inclined plane (11), a spring (20) is arranged between the interactive plate and the stop block, the side wall of the supporting cylinder is provided with a thread (8), the supporting cylinder is connected with a locking sleeve (2) through the thread (8), the outer wall of the locking sleeve is provided with a pulling rod (25), a cavity (5) is arranged on the inner arm of the locking sleeve opposite to the window, a pressing block (1) is fixedly arranged in the cavity through a fastening screw rod (13), and the pressing head (3) is arranged on the pressing block, under the action of the pressing block and the spring, the clamping block can freely rotate and swing in a space of the window, when the locking sleeve rotates clockwise, the clamping block swings clockwise in the window around the pin shaft under the extrusion action of the pressing head, the pressing head can cling to the inclined plane, and a lock head (17) on the clamping block can press the round pipe fitting (15); when the locking sleeve rotates clockwise, the pressing block rotates anticlockwise in the window along with the locking sleeve, the pressing head leaves the inclined plane, the clamping block swings anticlockwise around the pin shaft under the action of the spring, and the lock head on the clamping block is separated from the circular pipe fitting.

2. The simple clamping device for vertically fixing the circular pipe fitting as claimed in claim 1, wherein: the lower end of the outer surface of the locking sleeve is provided with a gear ring (26), the base is provided with a servo motor (30) and a speed reducer (29), an output shaft (27) of the servo motor is fixedly provided with a pinion (19) by a locking screw (32), the output shaft penetrates through a guide plate (28) fixed on the supporting cylinder body, and the pinion is meshed with the gear ring at the lower end of the outer surface of the locking sleeve.

3. The simple clamping device for vertically fixing the circular pipe fitting as claimed in claim 1, wherein: reinforcing plates (7) are arranged between the supporting cylinder body and the base at intervals, and mounting grooves (9) are arranged on the base at intervals.