Puncher plug assembling and disassembling clamp

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a puncher plug assembling and disassembling clamp which comprises an installation seat, an air cylinder, a plurality of connecting rod mechanisms and a plurality of clamping mechanisms. The installation seat comprises a top plate, a bottom plate and a heightening seat, the air cylinder is arranged on the bottom plate, and a plurality of hinge seats are evenly distributed on the circumference of the top plate; the connecting rod mechanisms are connected between the hinge seats and the clamping mechanisms in a one-to-one correspondence mode, extension rods are arranged at the extension ends of the air cylinders, connecting seats are arranged on the extension rods, and first connecting rods are arranged between the connecting seats and the connecting rod mechanisms. The clamping mechanism is driven by the air cylinder to be opened and closed, the puncher plug can be clamped when the clamping mechanism is closed, the puncher plug can be assembled and disassembled through rotation of the mounting seat after clamping, convenience in assembling and disassembling of the puncher plug is improved, the positions of the first clamping block, the second clamping block and the third clamping block can be automatically adjusted through rotation during clamping, and the puncher plug assembling and disassembling efficiency is improved. The clamping device adapts to the appearance of the puncher plug, the clamping area is increased, and the clamping stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field especially relates to a puncher top head mounting and unmounting clamp. BACKGROUND

[0002] The puncher top head of seamless steel tube is one of important components of the puncher, and its main function is to punch the solid tube blank into the hollow pipe, and the puncher top head is connected with the top rod by screw thread connection, and the puncher top head needs to be replaced and disassembled according to the size of the steel tube during the punching of the seamless steel tube.

[0003] The utility model discloses a puncher top head mounting and unmounting clamp, the mounting and unmounting clamp is installed on the upper portion of puncher top head, the mounting and unmounting clamp includes lever, rotary arm, pin shaft and fixed ring, the fixed ring is installed on the upper portion of puncher top head, the rotary arm has two, and the two are fixedly connected in the lower portion of fixed ring by pin shaft, the front portion of rotary arm is in contact with the outside of puncher top head, and the rear portion of rotary arm is connected with lever respectively, the technical scheme is in contact with the outside of puncher top head through the front portion of rotary arm, but the external surface of puncher top head is usually processed into conical structure, and the surface is irregular, when rotary arm is in contact with puncher top head, often only point contact or line contact, the contact area is small, the clamping force is small, and the stability of clamping is poor, and the slippage or falling situation is easy to appear in the process of mounting and unmounting, the effect of puncher top head mounting and unmounting is influenced, and the working efficiency is influenced.

[0004] Therefore, it is necessary to provide a puncher top head mounting and unmounting clamp to overcome the defects of the prior art. UTILITY MODEL CONTENTS

[0005] The utility model discloses a puncher top head mounting and unmounting clamp.

[0006] The utility model discloses a puncher top head mounting and unmounting clamp, including mounting seat, cylinder, a plurality of connecting rod mechanisms and a plurality of clamping mechanisms, the mounting seat includes top plate, bottom plate and the heightening seat that sets up between top plate and bottom plate, the cylinder sets up on the bottom plate, the top plate is uniformly distributed with a plurality of hinged seats, and the connecting rod mechanism is connected between the hinged seat and the clamping mechanism one to one, and the extension end of cylinder is provided with the lengthening rod, and the lengthening rod is slidably provided with the connecting seat, and the first connecting rod is provided between the connecting seat and the connecting rod mechanism.

[0007] The utility model discloses a puncher top head mounting and unmounting clamp, including mounting seat, cylinder, a plurality of connecting rod mechanisms and a plurality of clamping mechanisms, the mounting seat includes top plate, bottom plate and the heightening seat that sets up between top plate and bottom plate, the cylinder sets up on the bottom plate, the top plate is uniformly distributed with a plurality of hinged seats, and the connecting rod mechanism is connected between the hinged seat and the clamping mechanism one to one, and the extension end of cylinder is provided with the lengthening rod, and the lengthening rod is slidably provided with the connecting seat, and the first connecting rod is provided between the connecting seat and the connecting rod mechanism.

[0008] Preferably, the connecting rod mechanism includes two second connecting rods, the two second connecting rods are arranged in parallel, one end of the two second connecting rods is pivotally connected to the hinged seat, and the other end of the two second connecting rods is pivotally connected to the clamping mechanism.

[0009] Preferably, the clamping mechanism comprises a clamping seat arranged in L shape, two second connecting rods are hinged to the horizontal section of the clamping seat, a first arc-shaped sliding groove is arranged on the vertical section of the clamping seat, a first clamping block is rotatably clamped in the first arc-shaped sliding groove, two second arc-shaped sliding grooves are arranged on the first clamping block in intervals, a second clamping block is rotatably clamped in the second arc-shaped sliding groove, two third arc-shaped sliding grooves are arranged on the second clamping block in intervals, and a third clamping block is rotatably clamped in the third arc-shaped sliding groove.

[0010] Preferably, the first clamping block, the second clamping block and the third clamping block are all arranged in a semicylindrical structure, and a plurality of strip-shaped protrusions are arranged on the rectangular side surface of the third clamping block.

[0011] Preferably, a spring is sleeved on the lengthened rod, one end of the spring abuts against the connecting seat, and the other end of the spring is connected to the lengthened rod.

[0012] Preferably, a limiting clamping block is arranged on the outer side wall of the vertical section of the clamping seat.

[0013] Preferably, the auxiliary clamping mechanism further comprises a driving motor and a metal cable tie, the driving motor is arranged on the limiting clamping block of one of the clamping seats, a locking screw is fixedly arranged on the output shaft of the driving motor, one end of the metal cable tie is fixed to the outer side wall of the clamping seat where the driving motor is arranged, the other end of the metal cable tie is a free end, and a plurality of locks matched with the locking screw are uniformly arranged on the surface of the metal cable tie.

[0014] Preferably, the free end of the metal cable tie can be inserted into the limiting clamping block.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] The utility model discloses a clamping mechanism is driven to open and close by the cooperation of the cylinder telescopic connecting rod mechanism, realizes the clamping of the piercing machine top head when the clamping mechanism closes, and the installation seat is rotated to realize the loading and unloading of the piercing machine top head after clamping, improves the convenience of the loading and unloading of the piercing machine top head, when the clamping mechanism clamps, the first clamping block, the second clamping block and the third clamping block can rotate, automatically adjust the position, automatically adapt to the appearance of the piercing machine top head, increase the area of clamping, improve the stability of clamping, guarantee the smooth loading and unloading of the piercing machine top head, and improve the loading and unloading efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional schematic view of the utility model structure;

[0018] Figure 2 It is the sectional structure schematic view of the utility model;

[0019] Figure 3 It is the clamping seat structure schematic view of the utility model;

[0020] Figure 4 It is the first clamping block structure schematic view of the utility model;

[0021] Figure 5 It is the second clamping block structure schematic view of the utility model;

[0022] Figure 6 It is the third clamping block structure schematic view of the utility model.

[0023] Wherein, 1, mounting seat;101, top plate;102, bottom plate;103, heightening seat;104, hinged seat;2, air cylinder;3, lengthening rod;4, connecting seat;5, first connecting rod;6, second connecting rod;7, clamping seat;71, first arc-shaped sliding groove;8, first clamping block;81, second arc-shaped sliding groove;9, second clamping block;91, third arc-shaped sliding groove;10, third clamping block;11, strip-shaped protrusion;12, spring;13, limiting clamping block;14, driving motor;15, metal cable tie;16, locking screw;17, lock catch. DETAILED DESCRIPTION

[0024] In order to make the technical means, technical features, utility model purposes and technical effects realized by the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0025] As Figure 1 And Figure 2 Shown, a piercing machine top head mounting and dismounting clamp, including mounting seat 1, air cylinder 2, connecting rod mechanism, clamping mechanism and auxiliary clamping mechanism, air cylinder 2 and connecting rod mechanism are all installed on mounting seat 1, the number of connecting rod mechanism and clamping mechanism is multiple, multiple connecting rod mechanism is evenly distributed and is connected on mounting seat 1, clamping mechanism is installed on connecting rod mechanism one by one, air cylinder 2 is connected with every connecting rod mechanism through first connecting rod 5, and multiple connecting rod mechanisms are driven by air cylinder 2 through first connecting rod 5 and move synchronously, and then drive multiple clamping mechanisms to realize the clamping or loosening of the piercing machine top head, when clamping, clamping mechanism can be self-adaptively adjusted according to the appearance of the piercing machine top head, to ensure the stability of clamping, after clamping mechanism completes clamping, auxiliary clamping mechanism is used to enhance the clamping effect.

[0026] As Figure 1 And Figure 2As shown, the mounting base 1 comprises a top plate 101, a bottom plate 102 and a heightening seat 103, which are integrally machined, the heightening seat 103 is connected between the top plate 101 and the bottom plate 102, and the heightening seat 103 is hollow inside, a plurality of hinge seats 104 are machined on the top plate 101 and are uniformly distributed in a circle with the axis of the heightening seat 103 as the center, which are used for mounting connection with the connecting rod mechanism, the cylinder 2 is mounted on the bottom plate 102, and an extension rod 3 is connected at the extending end of the cylinder 2, the end of the extension rod 3 extends to the top plate 101 through the heightening seat 103, a connecting seat 4 is mounted at the end of the extension rod 3, a plurality of first connecting rods 5 are circularly arrayed and connected on the connecting seat 4, one end of the first connecting rod 5 is pivotally connected with the connecting seat 4, the connecting seat 4 is sleeved on the extension rod 3 and can slide relative to the extension rod 3, a spring 12 is sleeved on the extension rod 3, one end of the spring 12 abuts against one end face of the connecting seat 4, and the other end of the spring 12 is connected with the extension rod 3;

[0027] When the cylinder 2 extends, the extension rod 3 drives the connecting rod mechanism through the first connecting rod 5 to make the clamping mechanism open, so that the clamping on the piercing machine top head is loosened, and when the cylinder 2 retracts, the extension rod 3 drives the connecting rod mechanism through the first connecting rod 5 to make the clamping mechanism contract, so that the clamping on the piercing machine top head is realized, and after clamping, when the auxiliary clamping mechanism enhances the clamping effect, the connecting seat 4 will slide relative to the extension rod 3 against the action force of the spring 12, so as to avoid the position from being stuck and causing the auxiliary clamping mechanism to fail.

[0028] As shown in Figure 1 and Figure 2 , the connecting rod mechanism comprises two second connecting rods 6, which are installed in parallel with each other, one end of each of the two second connecting rods 6 is pivotally connected with the hinge seat 104, and the end of the first connecting rod 5 away from the connecting seat 4 is hinged with one of the second connecting rods 6, so as to drive the second connecting rod 6 to rotate around the connecting point thereof with the hinge seat 104.

[0029] As shown in Figures 1-6 , the clamping mechanism comprises a clamping seat 7, which is machined in an L-shaped structure, the ends of the two second connecting rods 6 away from the hinge seat 104 are hinged with the horizontal segment of the clamping seat 7, a first arc-shaped sliding groove 71 is machined on the opposite side of the vertical segment of the clamping seat 7, a first clamping block 8 is rotatably clamped in the first arc-shaped sliding groove 71, two second arc-shaped sliding grooves 81 are machined on the first clamping block 8, the two second arc-shaped sliding grooves 81 are spaced from each other and the axes of the two second arc-shaped sliding grooves 81 are parallel, a second clamping block 9 is rotatably clamped in the second arc-shaped sliding groove 81, two third arc-shaped sliding grooves 91 are machined on the second clamping block 9, the two third arc-shaped sliding grooves 91 are spaced from each other and the axes of the two third arc-shaped sliding grooves 91 are parallel, and a third clamping block 10 is rotatably clamped in the third arc-shaped sliding groove 91.

[0030] The first clamping block 8, the second clamping block 9 and the third clamping block 10 all adopt a semi-cylindrical structure, the rotating clamping of the first clamping block 8 in the first arc-shaped sliding groove 71, the rotating clamping of the second clamping block 9 in the second arc-shaped sliding groove 81 and the rotating clamping of the third clamping block 10 in the third arc-shaped sliding groove 91 all adopt a dovetail structure, that is, dovetail grooves / dovetail blocks are processed in the arc-shaped inner surfaces of the first arc-shaped sliding groove 71, the second arc-shaped sliding groove 81 and the third arc-shaped sliding groove 91, and dovetail blocks / dovetail grooves are processed on the arc-shaped outer surfaces of the first clamping block 8, the second clamping block 9 and the third clamping block 10, and the relative rotation and limiting are realized through the cooperation of the dovetail blocks and the dovetail grooves;

[0031] A plurality of strip-shaped protrusions 11 are processed on the rectangular side surface of the third clamping block 10, so as to increase the friction force of the third clamping block 10 when clamping the top head of the perforating machine;

[0032] A limiting clamping block 13 is processed on the outer side wall of the vertical section of the clamping seat 7, away from the first arc-shaped sliding groove 71.

[0033] As shown in Figure 1 and Figure 2 The auxiliary clamping mechanism includes a driving motor 14 and a metal cable tie 15, the driving motor 14 is installed on the limiting clamping block 13 of one of the clamping seats 7, a locking screw 16 is fixedly connected to the output shaft of the driving motor 14, one end of the metal cable tie 15 is fixed to the outer side wall of the clamping seat 7 where the driving motor 14 is installed, the other end of the metal cable tie 15 is a free end, the free end of the metal cable tie 15 can be inserted through the limiting clamping blocks 13 of the other clamping seats 7 in turn and then re-inserted into the limiting clamping block 13 where the driving motor 14 is installed, a plurality of locking buckles 17 are uniformly distributed on the surface of the metal cable tie 15, and a avoiding hole for the locking screw 16 is processed on the limiting clamping block 13 where the driving motor 14 is installed, so that the locking screw 16 can be connected with the locking hole on the metal cable tie 15 through the avoiding hole, the driving motor 14 drives the locking screw 16 to rotate, and the free end of the metal cable tie 15 is tightened through the meshing of the locking screw 16 and the locking buckle 17, so as to realize the synchronous tensioning of the plurality of clamping seats 7, and the free end of the metal cable tie 15 is loosened by reversing the driving motor 14.

[0034] The working principle of the utility model is:

[0035] In use, the cylinder 2 is extended, the connecting seat 4 is driven by the extension rod 3, and the plurality of clamping seats 7 are in an open state driven by the first connecting rod 5 and the second connecting rod 6, the plurality of clamping seats 7 are wrapped and clamped outside the piercing machine top head, the cylinder 2 is retracted, the extension rod 3 pulls the first connecting rod 5 through the connecting seat 4, the first connecting rod 5 pulls the second connecting rod 6, and the plurality of clamping seats 7 are inwards retracted through the parallelogram formed by the two second connecting rods 6 and the hinged seat 104 and the clamping seat 7, when retracted, the third clamping block 10 is in contact with the surface of the piercing machine top head, and under the action of the retracting tension of the cylinder 2, the third clamping block 10 rotates relatively in the third arc-shaped sliding groove 91, the second clamping block 9 rotates relatively in the second arc-shaped sliding groove 81, and the first clamping block 8 rotates relatively in the first arc-shaped sliding groove 71, and the self-adaptive adjustment is carried out according to the shape of the piercing machine top head, so that the clamping area of the piercing machine top head is increased, and the stability of clamping the piercing machine top head is improved, then the free end of the metal cable tie 15 is sequentially threaded through the limiting clamping block 13, the driving motor 14 is started to drive the locking screw 16 to rotate, the metal cable tie 15 is tightened through the meshing of the locking screw 16 and the lock 17, the piercing machine top head is pressed through the clamping seat 7, when the metal cable tie 15 is tightened, the connecting seat 4 can slide relatively to the extension rod 3 to overcome the force of the spring 12, so as to avoid jamming, and after the piercing machine top head is reliably clamped by the clamping seat 7, the installation seat 1 can be rotated forward or reversely, so that the piercing machine top head is quickly mounted and dismounted, which is convenient and fast.

[0036] In conclusion, only the preferred embodiments of the present application are described above, and are not used to limit the implementation range of the present application. Any equivalent changes and modifications made according to the content of the patent application scope of the present application shall belong to the technical scope of the present application.

Claims

1. A jig for loading and unloading the top head of a drilling machine, characterized in that: The device includes a mounting base (1), a cylinder (2), several linkage mechanisms, and several clamping mechanisms. The mounting base (1) includes a top plate (101), a bottom plate (102), and a heightening seat (103) disposed between the top plate (101) and the bottom plate (102). The cylinder (2) is disposed on the bottom plate (102). Several hinge seats (104) are evenly distributed around the top plate (101). The linkage mechanisms are connected one-to-one between the hinge seats (104) and the clamping mechanisms. An extension rod (3) is provided at the extended end of the cylinder (2). A connecting seat (4) is slidably disposed on the extension rod (3). A first connecting rod (5) is provided between the connecting seat (4) and the linkage mechanism. The linkage mechanism includes two second links (6), which are arranged in parallel. One end of each second link (6) is pivotally connected to the hinge seat (104), and the other end of each second link (6) is pivotally connected to the clamping mechanism. The clamping mechanism includes a clamping seat (7), which is L-shaped. Two second connecting rods (6) are hinged to the horizontal section of the clamping seat (7). A first arc-shaped groove (71) is provided on the vertical section of the clamping seat (7). A first clamping block (8) is rotatably engaged in the first arc-shaped groove (71). Two second arc-shaped grooves (81) are spaced apart on the first clamping block (8). A second clamping block (9) is rotatably engaged in the second arc-shaped grooves (81). Two third arc-shaped grooves (91) are spaced apart on the second clamping block (9). A third clamping block (10) is rotatably engaged in the third arc-shaped grooves (91).

2. The punching machine top loading and unloading fixture according to claim 1, characterized in that: The first clamping block (8), the second clamping block (9) and the third clamping block (10) are all set as semi-cylindrical structures, and the rectangular side of the third clamping block (10) is provided with several strip protrusions (11).

3. The punching machine top loading and unloading fixture according to claim 1, characterized in that: A spring (12) is fitted on the extension rod (3). One end of the spring (12) abuts against the connecting seat (4), and the other end of the spring (12) is connected to the extension rod (3).

4. The punching machine top loading and unloading fixture according to claim 1, characterized in that: A limit block (13) is provided on the outer wall of the vertical section of the clamping seat (7).

5. The punching machine top loading and unloading fixture according to claim 4, characterized in that: It also includes an auxiliary clamping mechanism, which includes a drive motor (14) and a metal cable tie (15). The drive motor (14) is mounted on a limiting block (13) of one of the clamping seats (7). A locking screw (16) is fixed on the output shaft of the drive motor (14). One end of the metal cable tie (15) is fixed on the outer wall of the clamping seat (7) where the drive motor (14) is located. The other end of the metal cable tie (15) is a free end. Several buckles (17) that are adapted to the locking screw (16) are evenly distributed on the surface of the metal cable tie (15).

6. The punching machine top loading and unloading fixture according to claim 5, characterized in that: The free end of the metal cable tie (15) can be inserted into the limiting block (13).

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