CN115070747A - Automatic clamping type roller supporting arm - Google Patents

Abstract

The application provides an automatic clamping type roller support arm, which includes a base, a support arm and a roller; the roller and the support arm are connected by an adjusting mechanism; the support arm and the base are connected by an automatic clamping mechanism; the automatic clamping mechanism includes The gear and the gear block; the side of the gear block away from the gear is radially provided with a connecting rod; the connecting rod can be slidably installed on the guide block, and the end away from the gear block is connected with the first cylinder. According to the technical solutions provided in the embodiments of the present application, the base and the support arm are connected by an automatic clamping mechanism, and the gears cooperate with the gear blocks to lock the support arm and the base at any angle, thereby realizing stepless angle adjustment.

Description

An automatic clamping type roller support arm

technical field

The application relates to the technical field of profile cladding, in particular to an automatic clamping type roller support arm.

Background technique

The coating machine is a kind of mechanical equipment that coats PVC, decorative paint paper and solid wood skin on the surfaces of various lines such as wood, aluminum-plastic profiles, and foam materials. The most critical part of the equipment is the precise arrangement and positioning of more than 50 rollers in two rows to meet different cladding needs. At present, the fixing of the roller adopts a three-section steel pipe bracket structure, and each steel pipe is fixed with a block and a screw. Due to the large number of screws that need to be fixed, the height and angle of the bracket and the roller are easily changed during the screw tightening process, which makes the arrangement and positioning of the roller difficult and time-consuming, which greatly affects the cladding process.

SUMMARY OF THE INVENTION

In view of the above-mentioned defects or deficiencies in the prior art, it is desirable to provide an automatic clamping type roller support arm.

The application provides an automatic clamping type roller support arm, including a base, a support arm and a roller; the roller and the support arm are connected by an adjustment mechanism; the support arm and the base are connected by an automatic clamping mechanism; the automatic clamping mechanism includes The gear and the gear block; the side of the gear block away from the gear is radially provided with a connecting rod; the connecting rod can be slidably installed on the guide block, and the end away from the gear block is connected with the first cylinder.

Further, the support arm includes a lower support arm connected with the base and an upper support arm connected with the roller; the upper support arm and the lower support arm are also connected by an automatic clamping mechanism.

Further, an elastic piece is also arranged between the guide block and the gear clamping block; a mounting groove is provided on the guide block corresponding to the elastic piece.

Further, the corresponding connecting rod of the first cylinder is provided with a docking assembly; the docking assembly includes two top sheets whose ends are hinged to each other and hinged with the piston rod; the two top sheets are arc-shaped respectively and are arranged oppositely; One end of the piston rod is also hinged with a pressing piece; the two pressing pieces are also arc-shaped respectively, and the ends away from the top piece are hinged to each other;

Further, the adjustment mechanism includes a matching adjustment gear and a rack; the rack can be slidably installed on the support arm; the adjustment gear can be rotatably installed on the support arm.

Further, the roller is installed on the rotating rod through the rotating shaft; the rotating shaft and the rotating rod are installed coaxially; the rotating rod is fixedly installed on the adjusting gear, and the axis direction is the same as the radial direction of the adjusting gear.

Further, the supporting arm is provided with a sliding rail and a pressure plate corresponding to the rack; the rack can be slidably installed on the sliding rail, and is located between the sliding rail and the pressure plate.

Further, an eccentric wheel is provided on the side of the pressure plate away from the rack; the eccentric wheel is located at one end of the pressure plate and is used for pressing the pressure plate on the rack; the end of the pressure plate away from the eccentric wheel is hinged on the support arm.

Further, the adjustment mechanism further includes a second air cylinder; the second air cylinder is fixedly mounted on the support arm and used to drive the eccentric wheel to rotate.

The advantages and positive effects that this application has are:

In this technical solution, the base and the support arm are connected by an automatic clamping mechanism, and the gears cooperate with the gear block to lock the support arm and the base at any angle, so as to realize the stepless adjustment of the angle;

Further, there are two kinds of molds between the gear block and the gear, the elastic member pressing and the cylinder pressing;

The elastic pressing is used for angle control during adjustment. The pressure provided by the elastic member cannot lock the gear, but the elastic reset can ensure that the rotation angle of the gear is a whole tooth, so that the angle can be controlled more accurately;

The cylinder pressing is used for angle locking. After the angle adjustment is completed, the cylinder can be automatically locked and maintained by controlling the expansion and contraction of the cylinder.

Description of drawings

1 is a schematic structural diagram of an automatic clamping type roller support arm provided by an embodiment of the application;

2 is a schematic structural diagram of an automatic clamping mechanism of an automatic clamping type roller support arm provided by an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an adjustment mechanism of an automatic clamping type roller support arm provided in an embodiment of the present application.

The text in the figure is marked as: 100-base; 200-roller; 210-shaft; 220-rotation rod; 300-gear; 310-gear block; 311-connecting rod; 320-guide block; 321-elastic ;330-first cylinder;340-top sheet;341-pressing sheet;400-lower support arm;410-upper support arm;500-adjusting gear;510-rack;511-slide rail;520-pressing plate;530- Eccentric; 540 - Second Cylinder.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present application, the present application will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application. .

Referring to FIG. 1, the present embodiment provides an automatic clamping type roller support arm, including a base 100, a support arm and a roller 200; the support arm is connected to the base 100 through an automatic clamping mechanism, and is connected to the roller 200 through an adjustment structure; wherein One or more support arms can be selected according to the needs of use, and the multiple support arms are also connected by an automatic clamping mechanism.

Preferably, the support arm includes a lower support arm 400 and an upper support arm 410 ; the lower support arm 400 is connected to the base 100 ; the upper support arm 410 is connected to the roller 200 .

Referring further to FIG. 2 , in a preferred embodiment, the automatic clamping mechanism includes a gear 300 and a clamping assembly; the gear 300 is used to connect the front and rear connecting pieces, and the clamping assembly is used to limit the rotation of the gear 300 .

Preferably, one end of the lower support arm 400 is connected to the upper support arm 410 through a relatively rotatable gear 300 , and one end is rotatably connected to the base 100 through the gear 300 fixedly mounted on the base 100 .

Preferably, the clamping assembly includes a gear block 310 matched with the gear 300; the side of the gear block 310 away from the gear 300 is radially provided with a connecting rod 311; the connecting rod 311 can be slidably installed on the guide block 320, away from the gear One end of the clamping block 310 is butted with the first cylinder 330 .

Preferably, both the guide block 320 and the first cylinder 330 are fixedly mounted on the lower support arm 400 , and the axial direction is the same as that of the connecting rod 311 .

Preferably, an elastic member 321 is further provided between the guide block 320 and the gear clamping block 310, and an installation groove is provided on the guide block 320 corresponding to the elastic member 321; The gear block 310 is pressed against the gear 300; the elastic force provided by the spring cannot lock the gear, and when the upper support arm 410 is rotated, the gear block 310 will compress the spring and separate from the gear 300, which will not affect the adjustment. , through its elastic reset, it can ensure that the gear 300 rotates with a whole tooth, so that the angle can be controlled more accurately.

Preferably, the piston rod of the first cylinder 330 and the connecting rod 311 are connected by a butt assembly; the butt assembly includes two top sheets 340 hinged at one end to each other and to the piston rod; the two top sheets 340 are arc-shaped respectively, opposite to each other. set, crossed.

Preferably, one end of the top sheet 340 away from the piston rod is also hinged with a pressing sheet 341; the two pressing sheets 341 are also arc-shaped, and the ends away from the top sheet 340 are hinged to each other, and the hinge shaft is rotatably mounted on the lower support arm 400; The end of the sheet 341 located away from the top sheet 340 is also eccentric with respect to the hinge axis. The first cylinder 330 can drive the pressing piece 341 to rotate around the hinge shaft by controlling the expansion and contraction of the piston rod, and cooperate with the eccentric structure to squeeze the connecting rod 311 , so that the gear block 310 is pressed against the gear 300 and restricts the rotation of the gear 300 .

Please further refer to FIG. 3 , in a preferred embodiment, the adjustment mechanism includes an adjustment gear 500 for connecting the roller 200 and the upper support arm 410 ; the adjustment gear 500 is rotatably mounted on the upper support arm 410 ; Mounted on the roller 200.

Preferably, the rotating rod 220 is fixedly installed on the adjusting gear 500 in the radial direction, and the end away from the adjusting gear 500 is provided with a rotating shaft 210 corresponding to the roller 200; the rotating shaft 210 is coaxial with the rotating rod 220;

Preferably, the upper support arm 410 is also provided with a matching rack 510 located on the corresponding adjusting gear 500 ; the rack 510 is slidably mounted on the upper support arm 410 through the slide rail 511 .

Preferably, the upper support arm 410 is further provided with a pressing plate 520 on the side of the rack 510 away from the slide rail 511; The rack 510 slides so as to limit the relative rotation of the adjustment gear 500 .

Preferably, the eccentric wheel 530 is located on the side of the pressure plate 520 away from the hinged end and away from the rack 510; the installation shaft of the eccentric wheel 530 is located on the side relatively close to the pressure plate 520, and the second cylinder 540 restricts the side away from the installation shaft, It is rotated around the mounting shaft so that the pressing plate 520 is pressed against the rack 510 .

Specific examples are used herein to illustrate the principles and implementations of the present application, and the descriptions of the above embodiments are only used to help understand the methods and core ideas of the present application. The above are only the preferred embodiments of the present application. It should be pointed out that due to the limited expression of words, there are objectively unlimited specific structures. For those of ordinary skill in the art, without departing from the principles of the present invention However, some improvements, modifications or changes can also be made, and the above-mentioned technical features can also be combined in an appropriate manner; these improvements, modifications, or combinations, or the concept and technical solutions of the invention are directly applied to other occasions without improvement. shall be regarded as the protection scope of this application.

Claims (9)

1. An automatic clamping type roller support arm, characterized in that it comprises a base (100), a support arm and a roller (200); the roller (200) and the support arm are connected by an adjustment mechanism; the support arm It is connected with the base (100) through an automatic clamping mechanism; the automatic clamping mechanism includes a gear (300) and a gear blocking block (310); the gear blocking block (310) is a part of the gear block (310) away from the gear (300). A connecting rod (311) is provided on the side along the radial direction; the connecting rod (311) is slidably mounted on the guide block (320), and the end away from the gear block (310) is butted with the first cylinder (330). 2. The automatic clamping type roller support arm according to claim 1, wherein the support arm comprises a lower support arm (400) connected with the base (100) and connected with the roller (200) the upper support arm (410); the upper support arm (410) and the lower support arm (400) are also connected by the automatic clamping mechanism. 3 . The automatic clamping type roller support arm according to claim 1 , wherein an elastic member ( 321 ) is further provided between the guide block ( 320 ) and the gear block ( 310 ); the guide block A mounting groove is provided on the (320) corresponding to the elastic member (321). 4. The automatic clamping type roller support arm according to claim 1, characterized in that, a docking assembly is provided on the piston rod of the first air cylinder (330) corresponding to the connecting rod (311); the docking assembly It comprises two top sheets (340) hinged to each other at one end and hinged with the piston rod; the two top sheets (340) are arc-shaped respectively and are arranged oppositely; the top sheets (340) are far away from the piston rod. One end is also hinged with a pressing piece (341); the two pressing pieces (341) are also arc-shaped respectively, and the ends away from the top sheet (340) are hinged to each other; the pressing piece (341) is far away from the top sheet (340). 340) has an eccentric structure with respect to the hinge axis. 5. The automatic clamping type roller support arm according to claim 1, wherein the adjustment mechanism comprises a matching adjustment gear (500) and a rack (510); the rack (510) can be slidably installed On the support arm; the adjusting gear (500) is rotatably mounted on the support arm. 6 . The automatic clamping type roller support arm according to claim 5 , wherein the roller ( 200 ) is mounted on the rotating rod ( 220 ) through a rotating shaft ( 210 ); the rotating shaft ( 210 ) is connected to the rotating rod 6 . (220) is installed coaxially; the rotating rod (220) is fixedly installed on the adjusting gear (500), and the axial direction is the same as the radial direction of the adjusting gear (500). 7 . The automatic clamping roller support arm according to claim 5 , wherein a slide rail ( 511 ) and a pressure plate ( 520 ) are provided on the support arm corresponding to the rack ( 510 ); The strip (510) is slidably mounted on the sliding rail (511), and is located between the sliding rail (511) and the pressing plate (520). 8 . The automatic clamping type roller support arm according to claim 7 , wherein an eccentric wheel ( 530 ) is further provided on the side of the pressing plate ( 520 ) away from the rack ( 510 ); A wheel (530) is located at one end of the pressing plate (520) for pressing the pressing plate (520) on the rack (510); the pressing plate (520) is away from the eccentric wheel (530) One end is hinged on the support arm. 9. The automatic clamping type roller support arm according to claim 8, wherein the adjustment mechanism further comprises a second air cylinder (540); the second air cylinder (540) is fixedly installed on the support arm , for driving the eccentric wheel (530) to rotate.

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