CN212265617U

CN212265617U - Transmission swing arm

Info

Publication number: CN212265617U
Application number: CN202020832742.1U
Authority: CN
Inventors: 王金礼
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-01-01
Anticipated expiration: 2030-05-15

Abstract

The utility model provides a transmission swing arm, the on-line screen storage device comprises a base, articulate the activity swing arm on the base, be used for driving the activity swing arm around pin joint pivoted driving piece, set up the mechanism of pushing down that is used for pushing down the roller bearing in the activity swing arm, push down the mechanism including rotate connect in the action wheel of activity swing arm, rotate connect in the activity swing arm from the driving wheel, the tensioning is at the action wheel and from the conveyer belt between the driving wheel, be used for driving action wheel circumferential direction's driving motor, the bottom protrusion in the border of activity swing arm of conveyer belt. Because the conveyer belt texture is comparatively soft, so when conveyer belt and roller bearing support tightly, the conveyer belt can warp and laminate with the circumference wall of roller bearing, has great area of contact between conveyer belt and the roller bearing like this, and the conveyer belt acts on the pressure on the roller bearing less for the difficult indentation that produces in surface of roller bearing.

Description

Transmission swing arm

Technical Field

The utility model relates to a swing arm mechanism, in particular to transmission swing arm.

Background

At present, as shown in fig. 3, an existing roller clamp includes a base 2, two rotating shafts 16 and a pressing mechanism 4, the two rotating shafts 16 are arranged on the base 2 side by side, and the two rotating shafts 16 are rotatably connected with the base 2, when in use, the roller is put down from above the two rotating shafts 16, so that the roller contacts with circumferential walls of the two rotating shafts 16. The pressing mechanism 4 is used for pressing the roller onto the two rotating shafts 16, the pressing mechanism 4 comprises a pressing cylinder 17 and a pressing block 18, the pressing cylinder 17 is arranged on the base 2, a piston rod of the pressing cylinder 17 is vertically arranged upwards, the pressing block 18 is arranged on the piston rod of the pressing cylinder 17, and a groove for the roller to be placed into is formed in the bottom of the pressing block 18.

In the process of using the base 2, the pressing block 18 is selected according to the diameter of the roller, so that when the roller is located in the groove, the circumferential wall of the roller can be attached to the inner groove wall of the groove, the pressure of the pressing block 18 acting on the roller is small, and the surface of the roller is not easy to generate indentation. However, the process of replacing the lower pressing block 18 takes a long time, and the processing efficiency of the roller is reduced to some extent.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a transmission swing arm, its when pushing down the roller bearing, the roller bearing surface is difficult for producing the indentation, and need not change the spare part in the transmission swing arm in the use, has guaranteed the machining efficiency of roller bearing.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a transmission swing arm, includes the base, articulates movable swing arm on the base, is used for the drive movable swing arm is in around pin joint pivoted driving piece, setting be used for pushing down the mechanism that pushes down of roller bearing on the movable swing arm, push down the mechanism including rotate connect in the action wheel of movable swing arm, rotate connect in the activity swing arm from the action wheel, tensioning at the action wheel and from the conveyer belt between the driving wheel, be used for driving action wheel circumferential direction's driving motor, the bottom protrusion in the border of movable swing arm.

Through the technical scheme, use this transmission swing arm to push down the roller bearing at needs, so that the roller bearing supports when tightly in two pivots, rotate around the articulated shaft through driving piece control activity swing arm, make the tip that the activity swing arm was provided with pushing down the mechanism move down gradually, until conveyer belt with support tightly with wait to process the roller bearing, because the conveyer belt texture is comparatively soft, so when conveyer belt and roller bearing support tightly, the conveyer belt can warp and laminate with the circumference wall of roller bearing, so have great area of contact between conveyer belt and the roller bearing, and the conveyer belt acts on the pressure on the roller bearing less, make the difficult indentation that produces in surface of roller bearing. After compressing tightly the roller bearing in two pivots, open driving motor, driving motor drive action wheel circumferential direction, the drive wheel drive conveyer belt rotates, and the action wheel passes through the conveyer belt and drives from the driving wheel rotation. The rotating conveyor belt can drive the roller tightly abutted against the conveyor belt to rotate.

Preferably, the movable swing arm is connected with a support in a sliding manner, the support is provided with a positioning screw in a penetrating manner, the positioning screw is used for being in threaded connection with the movable swing arm so as to limit the sliding of the support, the bottom of the support is rotatably connected with a tension wheel, and the tension wheel is abutted against the inner ring of the conveying belt.

Through above-mentioned technical scheme, along with the increase of live time, the conveyer belt appears warping easily, can loosen the set screw on the support this moment, back control support downstream for the take-up pulley supports tightly in the conveyer belt, makes the conveyer belt tensioning in the action wheel, from between driving wheel and take-up pulley. Through setting up the take-up pulley, can promote the life of conveyer belt.

Preferably, a protective cover is arranged at the top of the movable swing arm, and the protective cover covers the pressing mechanism from the upper part.

Through above-mentioned technical scheme, set up and to play dustproof effect in the protection casing of activity swing arm for the dust is difficult for falling to the outer lane of drive belt.

Preferably, the top of protection casing has seted up the through-hole, be provided with the cooling tube on the protection casing, the one end of cooling tube passes the through-hole and extend to conveyer belt one side.

Through above-mentioned technical scheme, during the use, follow the cooling tube and keep away from the tip of through-hole and pour into the cooling water, the cooling water flows out from the tip that the cooling tube is close to the through-hole for cool off the roller shaft of processing.

Preferably, the end part of the cooling pipe close to the conveyor belt is connected with a spray head, and a plurality of water spray holes are circumferentially distributed on the spray head.

Through the technical scheme, the cooling water sprayed out from the spray head can be diffused to a large area, and the roller which is being processed can be cooled more fully.

Preferably, the spray head is rotatably connected with the cooling pipe, and the bottom of the water spray hole extends along the circumferential direction of the spray head.

Through above-mentioned technical scheme, when the cooling water was spout from the hole for water spraying, can exert with the reaction to the shower nozzle for the shower nozzle carries out circumferential direction. The circumferentially rotating spray heads are capable of spraying cooling water over a larger area so that the roller being processed is more fully cooled.

Preferably, the base include the bottom plate, transversely slide connect in bottom plate slide and longitudinal sliding connect in the slip table of slide, the top surface of bottom plate is provided with two guide blocks, and two guide blocks are located the both sides of slide glide direction respectively, and threaded connection has stop screw on the guide block, stop screw is used for supporting tightly the lateral wall of slide, and then the restriction the slip of slide, still rotate on the guide block and be connected with the lead screw, the screw thread section of lead screw runs through the slip table and with slip table threaded connection rotates the lead screw is used for the drive the slip table slides, the activity swing arm articulates the top at the slip table.

Through above-mentioned technical scheme, during the use, can be used for driving the slip table through sliding slide and carry out lateral shifting, when the slip table removed to the assigned position, only need rotating stop screw for stop screw supports tightly with the lateral wall of slide, can restrict the slip of slide. When the sliding table is used, the sliding table can be driven to longitudinally slide by rotating the screw rod.

Preferably, the driving part is an air cylinder, and the end part of a piston rod of the air cylinder is hinged to the movable swing arm.

Through above-mentioned technical scheme, be used for driving the activity swing arm through cylinder piston rod's flexible and rotate around the pin joint.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic partial cross-sectional view of an embodiment;

fig. 3 is a schematic structural view of a conventional roller clamp.

Reference numerals: 1. a movable swing arm; 2. a base; 21. a base plate; 22. a slide plate; 23. a sliding table; 3. a drive member; 4. a pressing mechanism; 41. a driving wheel; 42. a driven wheel; 43. a conveyor belt; 44. a drive motor; 5. a support; 6. a set screw; 7. a tension wheel; 8. a protective cover; 9. a through hole; 10. a cooling tube; 11. A spray head; 12. a water spray hole; 13. a guide block; 14. a limit screw; 15. a screw rod; 16. a rotating shaft; 17. Pressing down the air cylinder; 18. and (7) pressing the blocks.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

A transmission swing arm, as shown in fig. 1 and fig. 2, comprises a base 2, a movable swing arm 1 hinged on the base 2, a driving member 3 for driving the movable swing arm 1 to rotate around a hinged point, and a pressing mechanism 4 arranged on the movable swing arm 1 for pressing a roller.

Base 2 includes bottom plate 21, horizontal slip is connected in bottom plate 21 slide 22 and vertical slip connects in slide 22's slip table 23, bottom plate 21's top surface is provided with two guide block 13, two guide block 13 are located slide 22 slip direction's both sides respectively, threaded connection has stop screw 14 on the guide block 13, stop screw 14 is used for supporting tight slide 22's lateral wall, and then restriction slide 22's slip, it is connected with lead screw 15 still to rotate on the guide block 13, the screw thread section of lead screw 15 runs through slip table 23 and with slip table 23 threaded connection, it slides to rotate lead screw 15 and be used for driving slip table 23.

The middle part of the movable swing arm 1 is hinged on the top of the sliding table 23.

In this embodiment, the driving member 3 is a cylinder, and the end of the piston rod of the cylinder is hinged to one end of the movable swing arm 1.

The pressing mechanism 4 is arranged on the end part of the movable swing arm 1 far away from the driving piece 3. The pressing mechanism 4 is arranged on the pressing mechanism 4 and comprises a driving wheel 41 rotatably connected to the movable swing arm 1, a driven wheel 42 rotatably connected to the movable swing arm 1, a transmission belt 43 tensioned between the driving wheel 41 and the driven wheel, and a driving motor 44 for driving the driving wheel 41 to rotate circumferentially. The bottom of the conveyor belt 43 protrudes from the edge of the movable swing arm 1.

The movable swing arm 1 is connected with a support 5 in a sliding mode, a positioning screw 6 penetrates through the support 5, and the positioning screw 6 is used for being in threaded connection with the movable swing arm 1 to further limit the support 5 to slide. The bottom of the bracket 5 is rotatably connected with a tension wheel 7, and the tension wheel 7 is tightly abutted against the inner ring of the conveyor belt 43, so that the conveyor belt 43 can be tensioned among the driving wheel 41, the driven wheel 42 and the tension wheel 7.

The top of the movable swing arm 1 is provided with a protective cover 8, and the protective cover 8 covers the pressing mechanism 4 from the upper part. The top of protection casing 8 has seted up through-hole 9, is provided with cooling tube 10 on the protection casing 8, and the one end of cooling tube 10 passes through-hole 9 and extends to conveyer belt 43 one side. The cooling pipe 10 is connected with the shower nozzle 11 on being close to the tip of conveyer belt 43 in the rotation, and circumference distributes on the shower nozzle 11 has a plurality of hole for water sprayings 12, and the circumference of a plurality of hole for water sprayings 12 bottom all along shower nozzle 11 extends, so can promote shower nozzle 11 when cooling water flows out and carry out circumferential direction.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a transmission swing arm, characterized by: including base (2), articulate activity swing arm (1) on base (2), be used for the drive activity swing arm (1) is in around pin joint pivoted driving piece (3), setting the mechanism (4) of pushing down for pushing down the roller bearing on activity swing arm (1), push down mechanism (4) including rotate connect in action wheel (41), the rotation of activity swing arm (1) connect in from driving wheel (42), tensioning of activity swing arm (1) are in action wheel (41) and from conveyer belt (43) between the driving wheel, be used for driving action wheel (41) circumferential direction's driving motor (44), the bottom protrusion of conveyer belt (43) in the border of activity swing arm (1).

2. The drive swing arm of claim 1, wherein: the movable swing arm (1) is connected with a support (5) in a sliding mode, a positioning screw (6) penetrates through the support (5), the positioning screw (6) is connected with the movable swing arm (1) in a threaded mode and further limits sliding of the support (5), the bottom of the support (5) is rotatably connected with a tension wheel (7), and the tension wheel (7) abuts against the inner ring of the conveying belt (43).

3. The drive swing arm of claim 1, wherein: the top of activity swing arm (1) is provided with protection casing (8), protection casing (8) cover from the top push down mechanism (4).

4. The drive swing arm of claim 3, wherein: through-hole (9) have been seted up at the top of protection casing (8), be provided with cooling tube (10) on protection casing (8), the one end of cooling tube (10) is passed through-hole (9) and extend to conveyer belt (43) one side.

5. The drive swing arm of claim 4, wherein: the end part, close to the conveyor belt (43), of the cooling pipe (10) is connected with a spray head (11), and a plurality of water spray holes (12) are circumferentially distributed on the spray head (11).

6. The drive swing arm of claim 5, wherein: the spray head (11) is rotatably connected with the cooling pipe (10), and the bottom of the water spray hole (12) extends along the circumferential direction of the spray head (11).

7. The drive swing arm of claim 1, wherein: the base (2) comprises a bottom plate (21), a sliding plate (22) which is transversely connected with the bottom plate (21) in a sliding way and a sliding table (23) which is longitudinally connected with the sliding plate (22) in a sliding way, the top surface of the bottom plate (21) is provided with two guide blocks (13), the two guide blocks (13) are respectively positioned at two sides of the sliding direction of the sliding plate (22), the guide blocks (13) are in threaded connection with limit screws (14), the limiting screw (14) is used for tightly abutting against the side wall of the sliding plate (22), and then the restriction the slip of slide (22), still rotate on guide block (13) and be connected with lead screw (15), the screw thread section of lead screw (15) run through slip table (23) and with slip table (23) threaded connection rotates lead screw (15) are used for the drive slip table (23) slide, activity swing arm (1) articulates the top at slip table (23).

8. The drive swing arm of claim 1, wherein: the driving piece (3) is an air cylinder, and the end part of a piston rod of the air cylinder is hinged to the movable swing arm (1).