CN214004788U - Pneumatic clamping and rotating device - Google Patents

Abstract

The utility model discloses a pneumatic clamping and rotating device, which belongs to the field of mechanical clamping devices and comprises a mounting plate and a bottom plate, wherein the mounting plate is fixed on the upper surface of the bottom plate through screws, a motor is fixed at the junction of the mounting plate and the bottom plate through screws, the output end of the motor penetrates through the mounting plate to the other side, the output end of the motor is connected with a driving wheel, a support sleeve is inserted at the upper part of the mounting plate, a rotating shaft is inserted in the support sleeve, when the motor drives the rotating shaft to rotate, a starting cylinder pulls the rotating cover to move backwards, a clamping block is driven through a chute to contract inwards to clamp a workpiece, the clamping support sleeve is driven to rotate through the rotation of the rotating shaft, the clamping block drives the workpiece to rotate through the rotation of the clamping support sleeve, higher efficiency is realized relative to manual clamping, the automatic execution is realized, the cost is lower relative to the hydraulic clamping device, and the equipment is simpler, and later maintenance is convenient.

Description

Pneumatic clamping and rotating device

Technical Field

The utility model relates to a mechanical clamping device technical field specifically is a pneumatic clamping rotary device.

Background

In the single-tube cladding process, the tube rotates along the axis of the tube. In the single-tube cladding process, the laser gun head and the single-tube are not in direct contact, relatively large jitter is allowed in the laser cladding process, and the jitter is generally less than 0.2 mm. The clamping rotary device does not need to provide large clamping force and high rotation precision, the existing clamping mode is low in efficiency through manual fixing, and the cost of the hydraulic clamping mode is too high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pneumatic clamping and rotating device, a clamping block is arranged in a clamping and supporting sleeve, the clamping block is connected with a slide block through an upper connecting rod and a lower connecting rod, when a motor drives a rotating shaft to rotate, a starting cylinder pulls a rotating cover to move backwards, the clamping block is driven to contract inwards through a sliding chute to clamp a workpiece so as to solve the problems in the background technology,

in order to achieve the above object, the utility model provides a following technical scheme: a pneumatic clamping rotating device comprises a mounting plate and a bottom plate, wherein the mounting plate is fixed on the upper surface of the bottom plate through screws, a motor is fixed at the junction of the mounting plate and the bottom plate through screws, the output end of the motor penetrates through the mounting plate to the other side, the output end of the motor is in key connection with a driving wheel, a support sleeve is inserted at the upper part of the mounting plate, and a rotating shaft is inserted inside the support sleeve;

one end of the rotating shaft is connected with the driven wheel in a key mode, a transmission belt is sleeved between the driving wheel and the driven wheel, protective covers are fixed to the outer sides of the driving wheel and the driven wheel through screws, a flange plate is sleeved on the other side of the mounting plate of the rotating shaft, a fixing rod is fixed to the flange plate through screws, the other end of the fixing rod is inserted into the mounting plate, an air cylinder is inserted into the mounting plate, and the output end of the air cylinder is fixed to the side face of the flange plate through screws;

the other side of ring flange has cup jointed the bearing, the outer loop of bearing has cup jointed rotatory cover, the spout has been seted up in the outside of rotatory cover, it has the slider to peg graft on the spout, the one end of rotation axis is fixed with through the screw and presss from both sides tight support cover, the inner chamber that presss from both sides tight support cover is provided with the clamp splice, lower connecting rod and upper connecting rod have been welded respectively to the outside of clamp splice and the inboard of slider, lower connecting rod and upper connecting rod are articulated each other.

Preferably, the rotating cover is provided with a conical structure, and the cross section of the rotating cover is provided with a trapezoidal structure.

Preferably, a hole is formed in the side face of the clamping support sleeve, and the lower connecting rod slides up and down in the hole of the clamping support sleeve.

Preferably, the inner ring of the flange plate and the outer surface of the rotating shaft are in clearance fit.

Preferably, the axis of the fixing rod is disposed in a perpendicular relationship with the side of the mounting plate.

Preferably, the lower surface of the bottom plate is fixed with a sliding sleeve through a screw, and an inner hole of the sliding sleeve is sleeved on a track of the processing equipment.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the plug-in has the rotation axis in the mounting panel, the intracavity that the ring flange extended to the safety cover is crossed in the one end grafting of rotation axis, the one end welding of rotation axis in the safety cover has the tight cover of support of clamp, press from both sides and be provided with the clamp splice in the tight cover of support, be connected through last connecting rod and lower connecting rod between clamp splice and the slider, when the motor drives rotation axis rotation, start cylinder pulling rotatory cover backward movement, it presss from both sides tight work piece to drive the inside shrink of clamp splice through the spout, it is rotatory to press from both sides tight cover of support through the rotation axis rotation drive, it makes the clamp splice drive the work piece rotatory to press from both sides the rotation of supporting the cover tightly, it is more simple to have higher efficiency and automatic execution for manual clamp, lower and equipment for hydraulic clamping device cost, later maintenance is convenient.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic side view of the present invention.

In the figure: 1. mounting a plate; 2. a sliding sleeve; 3. a motor; 4. a base plate; 5. a transmission belt; 6. a driving wheel; 7. a driven wheel; 8. a protective cover; 9. a support sleeve; 10. a cylinder; 11. fixing the rod; 12. a flange plate; 13. a rotating shaft; 14. a bearing; 15. a rotating cover; 16. a chute; 17. a slider; 18. an upper connecting rod; 19. a lower connecting rod; 20. clamping the support sleeve; 21. and (5) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the pneumatic clamping and rotating device comprises a mounting plate 1 and a bottom plate 4, wherein the mounting plate 1 is fixed on the upper surface of the bottom plate 4 through screws, the mounting plate 1 is perpendicular to the bottom plate 4, a sliding sleeve 2 is fixed on the lower surface of the bottom plate 4 through screws, an inner hole of the sliding sleeve 2 is sleeved on a track of processing equipment, the bottom plate 4 can be matched with processing machinery, and the position can be conveniently adjusted;

one end of a rotating shaft 13 is connected with a driven wheel 7 in a key way, the rotating shaft 13 is driven to rotate, a driving belt 5 is sleeved between the driving wheel 6 and the driven wheel 7 and used for transmitting power of the driving wheel 6, a protective cover 8 is fixed on the outer sides of the driving wheel 6 and the driven wheel 7 through screws to prevent workers from being injured, a flange 12 is sleeved on the other side of the mounting plate 1 of the rotating shaft 13 and used for supporting and fixing a rotating cover 15, the axis of a fixing rod 11 is perpendicular to the side surface of the mounting plate 1 to ensure that the flange 12 is parallel to the mounting plate 1, the fixing rod 11 is fixed on the flange 12 through screws and used for supporting a flange 12, the other end of the fixing rod 11 is inserted into the mounting plate 1 to prevent the fixing rod 11 from loosening, an air cylinder 10 is inserted into the mounting plate 1 and used for driving the flange 12 to move, and the output end of the air cylinder 10 is fixed on the side surface of the flange 12 through screws, the stability of the movement of the flange plate 12 is ensured;

the other side of the flange 12 is sleeved with a bearing 14 for ensuring the rotation of the rotating cover 15, the outer ring of the bearing 14 is sleeved with the rotating cover 15 for fixing a sliding block 17, a clearance fit is arranged between the inner ring of the flange 12 and the outer surface of the rotating shaft 13 for preventing the flange from interfering the rotation of the rotating shaft 13, the rotating cover 15 is arranged in a conical structure, the cross section of the rotating cover 15 is arranged in a trapezoidal structure, so that the sliding block 17 can slide obliquely, the outer side of the rotating cover 15 is provided with a sliding groove 16, the sliding block 17 is inserted and connected on the sliding groove 16 for driving a clamping block 21 to move up and down, one end of the rotating shaft 13 is fixed with a clamping support sleeve 20 through screws for driving the clamping block 21 to rotate along with the clamping support sleeve 20, the inner cavity of the clamping support sleeve 20 is provided with the clamping block 21 for clamping a workpiece, the side surface of the clamping support sleeve 20 is provided with a hole, and a lower connecting rod 19 slides up and down in the hole of the clamping support sleeve 20, the clamping support sleeve 20 and the rotating cover 15 can synchronously rotate, the lower connecting rod 19 and the upper connecting rod 18 are respectively welded on the outer side of the clamping block 21 and the inner side of the sliding block 17, and the lower connecting rod 19 and the upper connecting rod 18 are hinged with each other to avoid the fracture of the connecting rods.

The working principle is as follows: the utility model discloses a bottom plate 4's upper surface through the screw fixation have mounting panel 1, mounting panel 1 is last through the screw fixation have cylinder 10, mounting panel 1 is gone up to peg graft has dead lever 11, the output of cylinder 10 and the one end of dead lever are all fixed in one side of ring flange 12, the opposite side of ring flange 12 has cup jointed bearing 14, the outer loop of bearing 14 has cup jointed rotatory cover 15, have seted up spout 16 on the rotatory cover 15, slider 17 has been pegged graft in the spout 16, rotating shaft 13 has been pegged graft in mounting panel 1, the one end of rotating shaft 13 is pegged graft and is passed through ring flange 12 and extend to the intracavity of safety cover 8, rotating shaft 13 has welded the clamping support cover 20 in the one end of safety cover 8, be provided with clamp splice 21 in the clamping support cover 20, connect through upper connecting rod 18 and lower connecting rod 19 between clamp splice 21 and the slider 17, when motor 3 drives rotating shaft 13 and rotates, start cylinder 10 pulling rotatory cover 15 backward, drive clamp splice 21 through spout 16 and inwards contract and press from both sides tight work piece, it is rotatory to drive through rotation axis 13 and press from both sides tight support sleeve 20, and the rotation that presss from both sides tight support sleeve 20 makes clamp splice 21 drive the work piece rotatory, and for manual clamping have higher efficiency and can carry out automatically, lower and the equipment is simpler for hydraulic clamping device cost, later maintenance is convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A pneumatic clamping rotary device comprises a mounting plate (1) and a bottom plate (4), and is characterized in that: the mounting plate (1) is fixed on the upper surface of the bottom plate (4) through screws, a motor (3) is fixed at the junction of the mounting plate (1) and the bottom plate (4) through screws, the output end of the motor (3) penetrates through the mounting plate (1) to the other side, the output end of the motor (3) is in key connection with a driving wheel (6), a support sleeve (9) is inserted into the upper portion of the mounting plate (1), and a rotating shaft (13) is inserted into the support sleeve (9);

the device comprises a rotating shaft (13), a driven wheel (7) and a driving belt (5) which are connected with one end of the rotating shaft (13) in a key mode, wherein the driving belt (5) is sleeved between the driving wheel (6) and the driven wheel (7), protective covers (8) are fixed on the outer sides of the driving wheel (6) and the driven wheel (7) through screws, a flange plate (12) is sleeved on the other side of a mounting plate (1) of the rotating shaft (13), a fixing rod (11) is fixed on the flange plate (12) through screws, the other end of the fixing rod (11) is inserted into the mounting plate (1), an air cylinder (10) is inserted into the mounting plate (1), and the output end of the air cylinder (10) is fixed on the side face of the flange plate (12) through screws;

the other side of ring flange (12) has cup jointed bearing (14), the outer loop of bearing (14) has cup jointed rotatory cover (15), spout (16) have been seted up in the outside of rotatory cover (15), it has slider (17) to peg graft on spout (16), the one end of rotation axis (13) is fixed with through the screw and is pressed from both sides tight support cover (20), the inner chamber that presss from both sides tight support cover (20) is provided with clamp splice (21), lower connecting rod (19) and upper connecting rod (18) have been welded respectively to the outside of clamp splice (21) and the inboard of slider (17), lower connecting rod (19) and upper connecting rod (18) articulate each other.

2. A pneumatic clamping rotation device according to claim 1, wherein: the rotary cover (15) is arranged to be of a conical structure, and the section of the rotary cover (15) is arranged to be of a trapezoidal structure.

3. A pneumatic clamping rotation device according to claim 1, wherein: the side surface of the clamping support sleeve (20) is provided with a hole, and the lower connecting rod (19) slides up and down in the hole of the clamping support sleeve (20).

4. A pneumatic clamping rotation device according to claim 1, wherein: and the inner ring of the flange plate (12) is in clearance fit with the outer surface of the rotating shaft (13).

5. A pneumatic clamping rotation device according to claim 1, wherein: the axis of the fixed rod (11) is perpendicular to the side surface of the mounting plate (1).

6. A pneumatic clamping rotation device according to claim 1, wherein: the lower surface of the bottom plate (4) is fixed with a sliding sleeve (2) through a screw, and an inner hole of the sliding sleeve (2) is sleeved on a track of the processing equipment.

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