Clamping device for hardware polishing

Abstract

The clamping device for hardware polishing comprises a bottom plate, the top of the bottom plate is fixedly connected with a vertical plate, the vertical plate is provided with a rotatable step-shaped shell in a penetrating mode, the front side of the step-shaped shell is fixedly connected with a disc, and the middle of the rear side of the disc is rotationally connected with a threaded column. By operating the threaded column to rotate, the threaded sleeve can move backwards on the surface of the threaded column, the T-shaped block and the L-shaped clamping blocks are pulled to move oppositely through the connecting rod, when the four L-shaped clamping blocks achieve external clamping and internal supporting type clamping of hardware, the four L-shaped clamping blocks are made to be close to each other in advance, and by operating the threaded pipe to rotate, the four L-shaped clamping blocks can clamp the hardware in an internal supporting mode. And then, the threaded column is operated to rotate to enable the threaded sleeve to move forwards, the T-shaped blocks and the L-shaped clamping blocks are pushed to move oppositely through the connecting rods, and the internal supporting type clamping rods on the four L-shaped clamping blocks achieve internal supporting type clamping of the hardware.

Description

TECHNICAL FIELD

[0001] The utility model belongs to hardware processing technical field, in particular, relate to a hardware polishing clamping device. BACKGROUND

[0002] Hardware polishing needs to use the clamping device fixedly in the process, because the hardware is more, the clamping device of external clamping can not be applicable to some hardware, need to use the inside support type clamping device to fix these hardware, thus generally need to use two kinds of clamping devices, two kinds of clamping devices are back and forth more troublesome, thus we design a kind of hardware polishing clamping device, can freely switch two kinds of clamping mode, and the suitability is strong. SUMMARY

[0003] The utility model discloses a kind of hardware polishing clamping device, with the advantage that two kinds of clamping mode can be freely switched, and the suitability is strong, to solve the above background technical problem.

[0004] The utility model discloses a kind of hardware polishing clamping device, which is characterized by the following technical scheme: a hardware polishing clamping device includes bottom plate, the top of the bottom plate is fixedly connected with vertical plate, the vertical plate is through and is provided with rotatable stepped shell, the front side of the stepped shell is fixedly connected with disc, the rear side of the disc is rotatably connected with threaded column in the middle, the rear end of the threaded column is through and is fixedly connected with hexagonal rotating block in the rear side of the stepped shell, the surface of the threaded column is threadedly connected with threaded sleeve, the front side of the disc is annularly arranged with four rectangular through slots, the inner chamber of the rectangular through slot is slidably connected with T-shaped block, the front side of the T-shaped block extends to the front side of the disc and is fixedly connected with L-shaped clamping block, the threaded sleeve is rotatably connected with connecting rod between four sides and T-shaped block through pivot, the front side of the T-shaped block is provided with movable cavity, the inner chamber of the movable cavity is slidably connected with inside support type clamping stick.

[0005] Preferably, the top of the bottom plate is fixedly installed with motor, the output shaft of the motor and the surface of the stepped shell are both fixedly installed with pulley, and the two pulleys are connected by belt drive.

[0006] Preferably, the rear side of the disc is annularly fixedly connected with four groups of T-shaped guide strips, and the side of the T-shaped block is provided with two sliding grooves that slide on the surface of the T-shaped guide strip.

[0007] Preferably, the inner chamber of the movable cavity is fixedly connected with threaded rod, the inside support type clamping stick is through and is provided with rotatable threaded pipe, and the threaded pipe is threadedly connected on the surface of the threaded rod.

[0008] Preferably, the front side of the threaded pipe is provided with internal hexagonal groove.

[0009] The utility model discloses a beneficial effect is:

[0010] 1, the utility model discloses a threaded sleeve is moved to the surface of threaded column rearwards through the operation threaded column rotation, four L-shaped clamping blocks realize the external clamping of hardware through the linkage rod and draw T -shaped block and L -shaped clamping block move towards each other, when inside -support type clamping, make four L-shaped clamping blocks close in advance, make inside -support type clamping bar move to the outside of movable cavity through the operation threaded tube rotation, then operate threaded column rotation and make threaded sleeve move forward, four L-shaped clamping blocks on inside -support type clamping bar realize the inside -support type clamping of hardware through the linkage rod and push T -shaped block and L -shaped clamping block move away from each other, can reach the purpose that two kinds of clamping mode can be switched freely, and the applicability is strong to the purpose of

[0011] 2, the utility model discloses through the setting of internal hexagonal groove, and the user can operate threaded tube through the insertion hexagon wrench into the inner chamber of internal hexagonal groove, and provides the force point for the user rotation threaded tube, and conveniently operates threaded tube for the user;

[0012] 3, the utility model discloses through the cooperation of T-shaped guide strip and sliding slot, and T-shaped block will make sliding slot slide on the surface of T-shaped guide strip in the process of moving, and provides the direction and support for the movement of T-shaped block, improves the stability of T-shaped block and L-shaped clamping block movement. BRIEF DESCRIPTION OF DRAWINGS

[0013] The above and / or other aspects of the present utility model will become more apparent and more readily appreciated through consideration of the following detailed description, taken in conjunction with the accompanying drawings, of which:

[0014] Figure 1 It is the three-dimensional schematic view of one embodiment of the utility model;

[0015] Figure 2 It is the three-dimensional split schematic view of L-shaped clamping block and inside -support type clamping bar of one embodiment of the utility model;

[0016] Figure 3 It is the three-dimensional schematic view of stepped shell and disc of one embodiment of the utility model;

[0017] Figure 4 It is the three-dimensional split schematic view of stepped shell and disc of one embodiment of the utility model.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1, bottom plate, 2, vertical plate, 3, stepped shell, 4, disc, 5, threaded column, 6, hexagonal rotating block, 7, threaded sleeve, 8, rectangular through slot, 9, T-shaped block, 10, L-shaped clamp block, 11, connecting rod, 12, movable cavity, 13, inner support type clamp rod, 14, motor, 15, pulley, 16, T-shaped guide bar, 17, sliding groove, 18, threaded rod, 19, threaded tube, 20, internal hexagonal groove. DETAILED DESCRIPTION

[0020] Hereinafter, the embodiment of the clamping device for hardware polishing of the utility model will be described with reference to the drawings.

[0021] Figures 1-4 The clamping device for hardware polishing of an embodiment of the utility model is shown, which comprises a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a vertical plate 2, a rotatable stepped shell 3 is arranged through the vertical plate 2, the front side of the stepped shell 3 is fixedly connected with a disc 4, the top of the bottom plate 1 is fixedly installed with a motor 14, the output shaft of the motor 14 and the surface of the stepped shell 3 are both fixedly installed with a pulley 15, the two pulleys 15 are connected through a belt drive, the middle of the rear side of the disc 4 is rotatably connected with a threaded column 5, the rear end of the threaded column 5 penetrates through the rear side of the stepped shell 3 and is fixedly connected with a hexagonal rotating block 6, the surface of the threaded column 5 is threadedly connected with a threaded sleeve 7, the front side of the disc 4 is annularly arrayed with four rectangular through slots 8, the inner cavity of the rectangular through slot 8 is slidably connected with a T-shaped block 9, the rear side of the disc 4 is annularly arrayed with four groups of T-shaped guide bars 16, the side of the T-shaped block 9 is provided with two sliding grooves 17 which slide on the surface of the T-shaped guide bar 16, through the cooperation of the T-shaped guide bar 16 and the sliding groove 17, the T-shaped block 9 moves in the process, which makes the sliding groove 17 slide on the surface of the T-shaped guide bar 16, provides guidance and support for the movement of the T-shaped block 9, improves the stability of the movement of the T-shaped block 9 and the L-shaped clamp block 10, the front side of the T-shaped block 9 extends to the front side of the disc 4 and is fixedly connected with an L-shaped clamp block 10, the four sides of the threaded sleeve 7 are rotatably connected with a connecting rod 11 between the T-shaped block 9 through a rotating shaft, the front side of the T-shaped block 9 is provided with a movable cavity 12, the inner cavity of the movable cavity 12 is slidably connected with an inner support type clamp rod 13, the inner cavity of the movable cavity 12 is fixedly connected with a threaded rod 18, a rotatable threaded tube 19 is arranged through the inner support type clamp rod 13, the threaded tube 19 is threadedly connected on the surface of the threaded rod 18, the front side of the threaded tube 19 is provided with an internal hexagonal groove 20, through the arrangement of the internal hexagonal groove 20, the user can insert a hexagonal wrench into the inner cavity of the internal hexagonal groove 20 to operate the threaded tube 19, which provides a force point for the user to rotate the threaded tube 19, and facilitates the user to operate the threaded tube 19.

[0022] Working principle: the utility model uses, external clamping time: through the spanner cover in the surface operation screw column 5 rotation of hexagonal rotating block 6, can make screw cover 7 in the surface of screw column 5 move back, screw cover 7 then through four connecting rods 11 pull four T-shaped blocks 9 in the inner chamber of rectangular through slot 8 move towards each other, four T-shaped blocks 9 then drive four L-shaped clamping blocks 10 move towards each other, so that four L-shaped clamping blocks 10 realize the external clamping of hardware; Internal support clamping time: make four L-shaped clamping blocks 10 close in advance, through the hexagonal spanner is inserted in the inner hexagonal groove 20 and operates screw pipe 19 rotation, because of screw, screw pipe 19 in the surface of threaded rod 18 moves forward and rotates, screw pipe 19 makes internal support clamping rod 13 move to the outside of movable cavity 12, then operates hexagonal rotating block 6 and makes screw column 5 rotate, and then makes screw cover 7 move forward, screw cover 7 then through four connecting rods 11 pull four T-shaped blocks 9 in the inner chamber of rectangular through slot 8 move away from each other, four T-shaped blocks 9 then drive four L-shaped clamping blocks 10 move away from each other, and the internal support clamping rod 13 on four L-shaped clamping blocks 10 realizes the internal support clamping of hardware, after the clamping of hardware, start motor 14, through the cooperation of pulley 15 and belt, drive stepped housing 3, disc 4 and hardware rotate, and the polishing device approaches hardware to carry out polishing work.

[0023] In conclusion: the clamping device for hardware polishing, through the operation screw column 5 rotation, can make screw cover 7 in the surface of screw column 5 move back, through connecting rod 11 pull T-shaped block 9 and L-shaped clamping block 10 move towards each other, four L-shaped clamping blocks 10 realize the external clamping of hardware, when internal support clamping, make four L-shaped clamping blocks 10 close in advance, through the operation screw pipe 19 rotation, make internal support clamping rod 13 move to the outside of movable cavity 12, then operate screw column 5 rotation and make screw cover 7 move forward, through connecting rod 11 push T-shaped block 9 and L-shaped clamping block 10 move away from each other, and the internal support clamping rod 13 on four L-shaped clamping blocks 10 realizes the internal support clamping of hardware, can reach the purpose that two kinds of clamping modes can be switched freely, and the applicability is strong.

Claims

1. A clamping device for polishing hardware, characterized by, The utility model provides a kind of ladder type shell, including bottom plate (1), the top of the bottom plate (1) is fixedly connected with vertical plate (2), the vertical plate (2) is provided with rotatable ladder type shell (3) through, the front side of the ladder type shell (3) is fixedly connected with disc (4), the rear side of the disc (4) middle part is rotatably connected with threaded column (5), the rear end of the threaded column (5) is through to the rear side of ladder type shell (3) and is fixedly connected with hexagonal rotating block (6), the surface of the threaded column (5) is screw threadedly connected with threaded sleeve (7), the front side of the disc (4) annular array is provided with four rectangular through slot (8), the inner chamber of the rectangular through slot (8) is slidably connected with T-shaped block (9), the front side of the T-shaped block (9) extends to the front side of disc (4) and is fixedly connected with L-shaped clamping block (10), threaded sleeve (7) four sides are rotatably connected with connecting rod (11) between T-shaped block (9) by pivot, the front side of the T-shaped block (9) is provided with movable cavity (12), the inner chamber of the movable cavity (12) is slidably connected with inner support type clamp stick (13).

2. The clamping device for polishing hardware according to claim 1, wherein The top of the bottom plate (1) is fixedly installed with motor (14), the output shaft of the motor (14) and the surface of the ladder type shell (3) are fixedly installed with pulley (15), and two pulleys (15) are connected by belt transmission.

3. The clamping device for polishing hardware according to claim 2, wherein The rear side of the disc (4) annular array is fixedly connected with four groups of T-shaped guide strips (16), one side of the T-shaped block (9) is provided with two sliding grooves (17) sliding on the surface of T-shaped guide strip (16).

4. The clamping device for polishing hardware according to claim 3, wherein The inner chamber of the movable cavity (12) is fixedly connected with threaded rod (18), the rotatable threaded pipe (19) is provided through on the inner support type clamp stick (13), and the threaded pipe (19) is screw threadedly connected on the surface of threaded rod (18).

5. The clamping device for polishing hardware according to claim 4, wherein The front side of the threaded pipe (19) is provided with internal hexagonal groove (20).

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