Pneumatic edge lifter

Abstract

The utility model discloses a pneumatic edge suction device mainly relates to printing and dyeing equipment accessory technical field, including frame, fixed compression roller and movable compression roller of installation on the frame, the movable compression roller includes connecting piece and the roller cover of setting on connecting piece, the connecting piece includes the roller cover fixing piece, connecting rod that arrange in order from front to back, the connecting rod is hinged with the roller cover fixing piece through first hinged part, be equipped with the mounting seat of being suitable for connecting rod on the frame, be equipped with center hole on the mounting seat, the inner diameter of center hole is greater than the outer diameter of connecting rod, the connecting rod inserts center hole, and is hinged with the mounting seat through second hinged part, the rear end of connecting rod is located the rear side of frame, and the rear side of frame is equipped with the pneumatic cylinder for pushing the connecting rod swing around second hinged part, the utility model discloses through the pneumatic cylinder push control movable compression roller, simple structure, convenient maintenance can adjust the clamping force between movable compression roller and fixed compression roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing and dyeing equipment accessory technical field, concretely is pneumatic suction side device. BACKGROUND

[0002] The suction side device is a kind of accessory of flat guide, its function is to control the movement of fabric weft, make fabric not left and right skew, and can be straight and wrinkle-free into machine table, and the suction side device is mainly composed of fixed press roll and movable press roll, the position of fixed press roll is fixed, the position of movable press roll is adjustable, the adjustment mode of movable press roll has pneumatic adjustment mode and electric adjustment mode, the movable press roll of pneumatic suction side device is pushed by top rod, air film and other mechanisms, the movable press roll of electric suction side device is controlled by the suction force generated after electromagnet energization, wherein, electric suction side device is more common, but its clamping force cannot be adjusted, and it can cause damage to some more sensitive cloth;Traditional pneumatic suction side device is composed of one-way back type diaphragm valve, belongs to pure mechanical operation, and the structure is complex, maintenance is troublesome, sensitivity is low, and reaction speed is slow. SUMMARY

[0003] The utility model discloses a pneumatic suction side device, adopts lever principle, controls movable press roll by air cylinder, simple structure, convenient maintenance, and the clamping force between movable press roll and fixed press roll can be adjusted.

[0004] The utility model discloses a pneumatic suction side device, adopts lever principle, controls movable press roll by air cylinder, simple structure, convenient maintenance, and the clamping force between movable press roll and fixed press roll can be adjusted.

[0005] Pneumatic suction side device, including frame, fixed press roll and movable press roll installed on the frame, the movable press roll includes connecting piece and the roller sleeve of setting in connecting piece, the connecting piece includes the roller sleeve fixed part, connecting rod arranged in sequence from front to back, the connecting rod is hinged with the roller sleeve fixed part through first hinged part, the mounting seat that is adapted to connecting rod is equipped on the frame, the center hole is equipped on the mounting seat, the inner diameter of the center hole is greater than the outer diameter of connecting rod, and the connecting rod is inserted into the center hole, and is hinged with the mounting seat through second hinged part, the second hinged part is parallel with first hinged part, and the rear end of connecting rod is located at the back of frame, and the back of frame is equipped with the air cylinder for pushing connecting rod swing around second hinged part.

[0006] Preferably, the roller sleeve fixed part includes an intermediate cylinder, and a plurality of abutting blocks are uniformly arranged on the outer walls of the front and rear ends of the intermediate cylinder.

[0007] Preferably, the roller sleeve fixed part is provided with a connecting sleeve adapted to the connecting rod at one end close to the connecting rod, the inner diameter of the connecting sleeve is greater than the outer diameter of the connecting rod, and the connecting rod is hinged on the connecting sleeve through the first hinged part.

[0008] Preferably, the cylinder comprises a cylinder body and a piston and a spring arranged in the cylinder body, the piston is provided with a piston rod, the piston rod extends out of the cylinder body and is hinged with a connecting rod, and the spring is sleeved on the piston rod.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] The utility model adopts the lever principle, controls the movable compression roller through the cylinder, the end of the connecting rod is pushed by the cylinder, the movable compression roller is close to the fixed compression roller, the structure is simple, and the maintenance is convenient, the pressure of the cylinder is controlled, the thrust of the movable compression roller is adjusted, and the clamping force between the movable compression roller and the fixed compression roller is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the structural schematic diagram of the utility model;

[0012] Figure 2 It is the structural schematic diagram of the movable compression roller;

[0013] Figure 3 It is the structural schematic diagram of the connecting piece;

[0014] Figure 4 It is the structural schematic diagram of the cylinder.

[0015] Reference signs in the drawings: 1, rack; 2, fixed compression roller; 3, movable compression roller; 4, cylinder; 31, connecting piece; 32, roller sleeve; 33, mounting seat; 311, roller sleeve fixing piece; 312, connecting rod; 313, first hinged piece; 314, second hinged piece; 315, connecting sleeve; 41, cylinder body; 42, piston; 43, spring; 44, piston rod. DETAILED DESCRIPTION

[0016] The utility model will be further described below in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the present application.

[0017] Embodiment: as shown in the accompanying drawings, Figures 1-4 The utility model discloses a pneumatic edge suction device, including rack 1 and the fixed compression roller 2 and movable compression roller 3 of installation on rack 1, the structure of rack 1 and fixed compression roller 2 can adopt the structure of existing edge suction device.

[0018] The active pressure roller 3 comprises a connecting piece 31 and a roller sleeve 32 sleeved on the connecting piece 31, the connecting piece 31 comprises a roller sleeve fixing piece 311 and a connecting rod 312 arranged in sequence from front to back, the roller sleeve 32 is cylindrical, and the roller sleeve fixing piece 311 can be embedded in the roller sleeve 32.

[0019] The connecting rod 312 is hinged to the roller sleeve fixing piece 311 through a first hinge 313, and a mounting seat 33 corresponding to the connecting rod 312 is arranged on the rack 1, the mounting seat 33 is embedded in a mounting hole of the rack 1, a center hole is arranged on the mounting seat 33, the inner diameter of the center hole is larger than the outer diameter of the connecting rod 312, and a space for swinging of the connecting rod 312 is left in the center hole, the connecting rod 312 is inserted into the center hole and hinged to the mounting seat 33 through a second hinge 314, the second hinge 314 and the first hinge 313 can be hinge shafts, the second hinge 314 is parallel to the first hinge 313, the rear end of the connecting rod 312 is located at the rear side of the rack 1, and a cylinder 4 for pushing the connecting rod 312 to swing around the second hinge 314 is arranged at the rear side of the rack 1, and the end of a piston rod 44 of the cylinder 4 is hinged to the end of the connecting rod 312.

[0020] Preferably, in order to facilitate installation of the roller sleeve, the roller sleeve fixing piece 311 comprises an intermediate cylinder, a plurality of abutting blocks are uniformly arranged on the outer walls of the front and rear ends of the intermediate cylinder, the abutting blocks abut against the inner wall of the roller sleeve, the contact area between the roller sleeve 32 and the roller sleeve fixing piece 311 can be reduced, and the wear of the roller sleeve 32 can be reduced, and the abutting blocks and the roller sleeve can be glued.

[0021] Preferably, in order to facilitate connection of the connecting rod and the roller sleeve fixing piece, one end of the roller sleeve fixing piece 311 close to the connecting rod 312 is provided with a connecting sleeve 315 corresponding to the connecting rod 312, the inner diameter of the connecting sleeve 315 is larger than the outer diameter of the connecting rod 312, and the connecting rod 312 is hinged to the connecting sleeve 315 through the first hinge 313.

[0022] The cylinder can be an existing cylinder, and preferably, the cylinder 4 comprises a cylinder body 41, a piston 42 and a spring 43 arranged in the cylinder body 41, the piston 42 is provided with a piston rod 44, the piston rod 44 extends out of the cylinder body 41 and is hinged to the connecting rod 312, the spring 43 is sleeved on the piston rod 44, one end of the spring 43 abuts against the cylinder cover of the cylinder 4, and the other end of the spring 43 abuts against the piston 42, an air inlet and outlet can be arranged on the rear end face of the cylinder 4, the cylinder 4 inhales air, the piston 42 is pushed to move, the piston rod 44 extends out, the spring 43 is compressed, the cylinder 4 exhales air, and the spring 43 is reset to quickly reset the piston rod 44.

Claims

1. A pneumatic edge gripper comprising a frame (1), a fixed pressure roller (2) and a movable pressure roller (3) mounted on the frame (1), characterized in that: The movable pressure roller (3) comprises a connecting piece (31) and a roller sleeve (32) sleeved on the connecting piece (31), the connecting piece (31) comprises a roller sleeve fixing piece (311) and a connecting rod (312) arranged in sequence from front to back, the connecting rod (312) is hinged to the roller sleeve fixing piece (311) through a first hinge (313), a mounting seat (33) corresponding to the connecting rod (312) is arranged on the rack (1), the mounting seat (33) is provided with a center hole, the inner diameter of the center hole is greater than the outer diameter of the connecting rod (312), the connecting rod (312) is inserted into the center hole and hinged to the mounting seat (33) through a second hinge (314), the second hinge (314) is parallel to the first hinge (313), the rear end of the connecting rod (312) is located at the rear side of the rack (1), and the rear side of the rack (1) is provided with an air cylinder (4) for pushing the connecting rod (312) to swing around the second hinge (314).

2. The air-pinning device according to claim 1, characterized in that: The roller sleeve fixing piece (311) comprises an intermediate cylinder, and a plurality of abutting blocks are uniformly arranged on the outer walls of the front and rear ends of the intermediate cylinder.

3. The air-pinning device according to claim 1, characterized in that: The roller sleeve fixing piece (311) is provided with a connecting sleeve (315) corresponding to the connecting rod (312) at one end close to the connecting rod (312), the inner diameter of the connecting sleeve (315) is greater than the outer diameter of the connecting rod (312), and the connecting rod (312) is hinged to the connecting sleeve (315) through the first hinge (313).

4. The air-pinning device according to claim 1, characterized in that: The air cylinder (4) comprises a cylinder body (41), a piston (42) and a spring (43) arranged in the cylinder body (41), the piston (42) is provided with a piston rod (44) which extends out of the cylinder body (41) and is hinged to the connecting rod (312), and the spring (43) is sleeved on the piston rod (44).

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