CN213111917U

CN213111917U - PTFE base cloth paving mechanism

Info

Publication number: CN213111917U
Application number: CN202021433757.7U
Authority: CN
Inventors: 阙福明
Original assignee: Changzhou Huafu Environment Technology Co ltd
Current assignee: Changzhou Huafu Environment Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-05-04
Anticipated expiration: 2030-07-20

Abstract

The utility model relates to the technical field of PTFE base cloth production equipment, in particular to a PTFE base cloth paving mechanism, which comprises a frame, a roller shaft and a wind-up roll are rotatably arranged on the frame, sliding seats are arranged on both sides of the frame in the width direction of the PTFE base cloth, the sliding seats are arranged between the roller shaft and the wind-up roll, a control mechanism for controlling the sliding seats on both sides to be relatively close to or far away from the sliding seats in the width direction of the PTFE base cloth is arranged on the frame, a pressing plate is arranged on the sliding seats in a sliding way in the height direction, when in use, the sliding seats are driven by the control mechanism to move in the width direction of the PTFE base cloth, so that the sliding seats are close to or far away from the PTFE base cloth, then the driving mechanism drives the pressing plate to move on the sliding seats, so that the pressing plate ascends or descends, the lower pressing wheel is close to or far away from the upper pressing wheel, the PTFE base cloth is clamped between, the PTFE base cloth is pulled outwards along the width direction of the PTFE base cloth by the upper pressing wheel and the lower pressing wheel, and the two sides of the PTFE base cloth in the width direction are tensioned.

Description

PTFE base cloth paving mechanism

Technical Field

The utility model belongs to the technical field of PTFE base cloth production facility technique and specifically relates to a PTFE base cloth mechanism of paving is related to.

Background

PTFE, namely polytetrafluoroethylene, is one of the highest varieties in the bag type filter material, a filter bag made of PTFE base cloth can be used for flue gas treatment in the processes of coal-fired boilers, garbage incineration, carbon black production, titanium dioxide production and the like, and also has application in the processes of primary smelting, refining and chemical production of some metals, and the PTFE base cloth needs to be dyed in the production process. The wrinkles can appear on the base cloth in the existing production process, the wrinkles are rolled and compacted to have the phenomenon of stress concentration, then the unreeling and compacting part is opened again, and the wrinkles break, so that the basic normal use can be influenced, and the production quality of the base cloth is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems that wrinkles can appear on base cloth in the existing production process, stress concentration occurs when the wrinkles are rolled and compacted, then the uncoiling and compacting part is opened, and the wrinkles are broken, so that the basic normal use is influenced and the production quality of the base cloth is influenced, a PTFE base cloth flattening mechanism is provided.

The utility model provides a technical scheme that its technical problem adopted is: a PTFE base cloth paving mechanism comprises a frame, a roll shaft and a wind-up roll are rotatably arranged on the frame, the two sides of the frame, which are positioned in the width direction of the PTFE base cloth, are provided with sliding seats, the sliding seats are positioned between the roll shaft and the wind-up roll, the frame is provided with a control mechanism for controlling the sliding seats at the two sides to relatively approach or depart from each other along the width direction of the PTFE base cloth, a pressing plate is arranged on the sliding seat in a sliding way along the height direction, an upper pressing wheel used for paving PTFE base cloth is rotatably arranged on the sliding seat, a lower pressing wheel for paving PTFE base cloth is rotatably arranged on the pressing plate, the upper pressing wheel and the lower pressing wheel are oppositely arranged, the upper pressing wheel and the lower pressing wheel are gradually arranged in an outward inclined mode along the conveying direction of the PTFE base cloth, a driving mechanism used for driving the pressing plate to ascend or descend is arranged on the sliding seat, and the lower pressing wheel is close to or far away from the upper pressing wheel.

The utility model discloses a control mechanism drives the slide along PTFE base cloth broad width direction displacement, make the slide be close to or keep away from PTFE base cloth, drive the clamp plate by actuating mechanism again and displace on the slide, make the clamp plate rise or descend, realize that the pinch roller is close to or keep away from the pinch roller down, and with PTFE base cloth centre gripping at last pinch roller under and between the pinch roller, because go up the pinch roller and the pinch roller is along PTFE base cloth direction of delivery for leaning out the setting gradually down, PTFE base cloth drives pinch roller and lower pinch roller, go up the pinch roller and with the outside pulling of lower pinch roller along its broad width direction with PTFE base cloth, thereby guarantee PTFE base cloth broad width both sides and keep the tensioning, the phenomenon of fold has just also been avoided PTFE base cloth to appear.

In order to facilitate the realization of the control mechanism, further, the control mechanism comprises a first screw rod which is rotatably arranged on the rack, the sliding seat is slidably arranged on the rack, the first screw rod is arranged along the sliding direction of the sliding seat, two ends of the first screw rod are provided with two sections of external threads with opposite rotating directions, and the sliding seats are respectively in threaded connection with the external threads at the two ends of the first screw rod. The external threads with opposite rotating directions at the two ends of the first screw are respectively in threaded connection with the sliding seats at the two sides of the PTFE base cloth, so that the sliding seats at the two sides of the PTFE base cloth can be controlled to be relatively close to or far away by controlling the rotation of the first screw.

In order to realize the sliding of the sliding seat on the frame, further, a first linear guide rail is arranged on the frame along the axial direction of the first screw rod, a first sliding block matched with the first linear guide rail is arranged on the sliding seat, and the first sliding block is arranged on the first linear guide rail in a sliding manner. The sliding seat slides on the machine frame through the matching of the first linear guide rail on the machine frame and the first sliding block on the sliding seat.

In order to realize that the driving mechanism drives the pressing plate to move on the sliding seat, further, the driving mechanism comprises a second screw rod which is rotatably arranged on the sliding seat, the second screw rod is arranged along the displacement direction of the pressing plate, and the pressing plate and the second screw rod are in threaded connection with each other. And the driving mechanism drives the pressing plate to move on the sliding seat through the threaded connection between the second screw rod rotating on the sliding seat and the pressing plate.

In order to realize that the pressing plate slides on the sliding seat, further, a second linear guide rail is axially arranged on the sliding seat along a second screw rod, a second sliding block matched with the second linear guide rail is arranged on the pressing plate, and the second sliding block is arranged on the second linear guide rail in a sliding manner. The second linear guide rail on the sliding seat is matched with the second sliding block on the pressing plate, so that the pressing plate can slide on the sliding seat.

The utility model has the advantages that: when the PTFE base cloth paving mechanism is used, the slide seat is driven by the control mechanism to displace along the width direction of the PTFE base cloth, so that the slide seat is close to or away from the PTFE base cloth, the driving mechanism drives the pressing plate to displace on the slide seat, so that the pressing plate is lifted up or lowered down, the pressing wheel is close to or away from the upper pressing wheel, the PTFE base cloth is clamped between the upper pressing wheel and the lower pressing wheel, the upper pressing wheel and the lower pressing wheel are gradually and obliquely arranged along the conveying direction of the PTFE base cloth, the PTFE base cloth drives the upper pressing wheel and the lower pressing wheel, the upper pressing wheel and the lower pressing wheel pull the PTFE base cloth outwards along the width direction of the PTFE base cloth, thereby ensuring that the two sides of the PTFE base cloth in the width direction are kept tensioned, avoiding the phenomenon that the base cloth has folds in the existing production process, the folds are rolled and compacted to have stress concentration, then the uncoiling and compacting part is opened again, the folds break, thus the basic normal use can be influenced, the production quality of the base cloth is influenced.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a top view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a schematic view of the installation structure between the sliding base and the pressing plate of the present invention;

fig. 5 is a state diagram of the present invention when the pressing wheel and the base fabric are operated.

In the figure: 1. the device comprises a rack, 2, a roll shaft, 3, a winding roll, 4, a sliding seat, 5, a pressing plate, 6, an upper pressing wheel, 7, a lower pressing wheel, 8, a first screw rod, 9, a first linear guide rail, 10, a second screw rod, 11 and a second linear guide rail.

Detailed Description

The utility model discloses the following embodiment of combining does further detailing:

the utility model discloses not confine the following embodiment to, general technical personnel in this field can adopt other multiple embodiment to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 to 5, a PTFE base fabric flattening mechanism comprises a frame 1, a roller shaft 2 and a wind-up roll 3 are rotatably arranged on the frame 1, sliding seats 4 are respectively arranged on both sides of the frame 1 in the width direction of the PTFE base fabric, the sliding seats 4 are arranged between the roller shaft 2 and the wind-up roll 3, a control mechanism for controlling the sliding seats 4 on both sides to be relatively close to or far away from the frame 1 in the width direction of the PTFE base fabric, a pressing plate 5 is slidably arranged on the sliding seats 4 in the height direction, an upper pressing wheel 6 for flattening the PTFE base fabric is rotatably arranged on the sliding seats 4, a lower pressing wheel 7 for flattening the PTFE base fabric is rotatably arranged on the pressing plate 5, the upper pressing wheel 6 and the lower pressing wheel 7 are relatively arranged, the upper pressing wheel 6 and the lower pressing wheel 7 are gradually and obliquely arranged in the conveying direction of the PTFE base fabric, a driving mechanism for driving the pressing plate 5 to ascend or descend is arranged on the sliding seats 4, and the lower pinch roller 7 is brought closer to or farther from the upper pinch roller 6.

Control mechanism is including rotating first screw rod 8 that sets up in frame 1, slide 4 slides and sets up in frame 1, first screw rod 8 sets up along 4 slip directions of slide, the both ends of first screw rod 8 are provided with two sections and revolve to opposite external screw thread, both sides slide 4 difference threaded connection is on the external screw thread at first screw rod 8 both ends.

The machine frame 1 is provided with a first linear guide rail 9 along the axial direction of a first screw 8, the sliding seat 4 is provided with a first sliding block matched with the first linear guide rail 9, and the first sliding block is arranged on the first linear guide rail 9 in a sliding manner.

The driving mechanism comprises a second screw rod 10 which is rotatably arranged on the sliding seat 4, the second screw rod 10 is arranged along the displacement direction of the pressing plate 5, and the pressing plate 5 and the second screw rod 10 are in threaded connection with each other.

A second linear guide rail 11 is axially arranged on the sliding seat 4 along a second screw rod 10, a second sliding block matched with the second linear guide rail 11 is arranged on the pressing plate 5, and the second sliding block is arranged on the second linear guide rail 11 in a sliding mode.

When the PTFE base cloth paving mechanism is adjusted, PTFE base cloth is coiled and wound onto a winding roller 3 through a roller shaft 2, the winding roller 3 is driven to rotate by a first servo motor, meanwhile, servo motors are arranged at one ends of a first screw 8 and a second screw 10 in a transmission mode, firstly, the servo motor on the first screw 8 is started, the first screw 8 is driven to rotate, a sliding seat 4 is driven by the first screw 8 to move on a rack 1, meanwhile, a first sliding block on the sliding seat 4 slides on a first linear guide rail 9 on the rack 1, the sliding seat 4 is adjusted to the required position of the PTFE base cloth, the servo motor at the position of the first screw 8 is stopped, the servo motor at the position of the second screw 10 is started, the second screw 10 is driven to rotate, so that a pressing plate 5 moves on the sliding block, a lower pressing wheel 7 is driven to gradually approach to the upper pressing wheel 6, the upper pressing wheel 6 is pressed on the upper surface of the PTFE base cloth, and the lower pressing wheel 7 is pressed on the lower surface, meanwhile, a second linear guide rail 11 on the sliding seat 4 displaces relative to a second sliding block on the pressing plate 5, the servo motor at the position of the second screw rod 10 is stopped, and the PTFE base cloth is wound by the winding roller 3 and drives the upper pressing wheel 6 and the lower pressing wheel 7 to rotate, so that the PTFE base cloth is pulled outwards and spread by the upper pressing wheel 6 and the lower pressing wheel 7.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a PTFE base cloth mechanism of paving, includes frame (1), it is provided with roller (2) and wind-up roll (3) to rotate on frame (1), its characterized in that: frame (1) is located the both sides of PTFE base cloth broad width direction and all is provided with slide (4), slide (4) are located between roller (2) and wind-up roll (3), be provided with on frame (1) and be used for controlling both sides slide (4) and be close to relatively or the control mechanism who keeps away from along PTFE base cloth broad width direction, slide (4) are gone up and are provided with clamp plate (5) along the direction of height slip, it is provided with last pinch roller (6) that are used for paving PTFE base cloth to rotate on slide (4), it is provided with lower pinch roller (7) that are used for paving PTFE base cloth to rotate on clamp plate (5), set up relatively between last pinch roller (6) and lower pinch roller (7), go up pinch roller (6) and lower pinch roller (7) for leaning out the setting gradually along PTFE base cloth direction of delivery, be provided with on slide (4) and be used for driving drive the actuating mechanism that pinch roller (5) rise or descend, and the lower pinch roller (7) is close to or far away from the upper pinch roller (6).

2. The PTFE substrate paving mechanism of claim 1, wherein: control mechanism is including rotating first screw rod (8) that sets up in frame (1), slide (4) slide and set up in frame (1), slide (4) slip direction setting is followed in first screw rod (8), the both ends of first screw rod (8) are provided with two sections and revolve to opposite external screw thread, both sides slide (4) threaded connection respectively on the external screw thread at first screw rod (8) both ends.

3. The PTFE substrate paving mechanism of claim 2, wherein: the machine frame (1) is provided with a first linear guide rail (9) along the axial direction of a first screw rod (8), a first sliding block matched with the first linear guide rail (9) is arranged on the sliding seat (4), and the first sliding block is arranged on the first linear guide rail (9) in a sliding mode.

4. The PTFE substrate paving mechanism of claim 1, wherein: the driving mechanism comprises a second screw rod (10) rotatably arranged on the sliding seat (4), the second screw rod (10) is arranged along the displacement direction of the pressing plate (5), and the pressing plate (5) is in threaded connection with the second screw rod (10) mutually.

5. The PTFE substrate paving mechanism of claim 4, wherein: and a second linear guide rail (11) is axially arranged on the sliding seat (4) along a second screw rod (10), a second sliding block matched with the second linear guide rail (11) is arranged on the pressing plate (5), and the second sliding block is arranged on the second linear guide rail (11) in a sliding manner.