CN213445623U

CN213445623U - Tensioning mechanism for coiled material receiving and discharging shaft of film pressing machine

Info

Publication number: CN213445623U
Application number: CN202021966187.8U
Authority: CN
Inventors: 林龙峰; 邢洪铭
Original assignee: Suzhou Tairong Machinery Technology Co ltd
Current assignee: Suzhou Tairong Machinery Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-15
Anticipated expiration: 2030-09-10

Abstract

The utility model belongs to the film pressing machine field, especially, a tight mechanism that rises that is used for film pressing machine coiled material to receive and release axle now proposes following scheme, and it includes the fixed disk, its characterized in that, it is connected with the screw rod to rotate on one side central point of fixed disk, the other end of screw rod rotates and is connected with the regulating spindle, the outside of regulating spindle rotates the cover and is equipped with the positioning disk, the outside slip cover of positioning disk is equipped with four spacing rods that arrange annularly, four one end of spacing rod all is connected with one side fixed connection of fixed disk, be provided with two sections screw threads that the symmetry set up on the screw rod, and the equal threaded connection in the outside of two sections screw threads that the symmetry set up has the adjusting disk, and four spacing rods run through two adjusting disks respectively and are connected with the adjusting disk slip, one side fixed mounting of adjusting; the utility model discloses a pure mechanical design of tight mechanism that rises, easy operation, low in manufacturing cost rises and tightly adjusts accurately, has stronger practicality.

Description

Tensioning mechanism for coiled material receiving and discharging shaft of film pressing machine

Technical Field

The utility model relates to a film pressing machine technical field especially relates to a tight mechanism that rises that is used for film pressing machine coiled material to receive and release axle.

Background

At present, along with the development of industry, the technical requirement on film pressing is higher and higher, and a film pressing machine is equipment for completely sticking a film on the surface of a workpiece, can effectively protect the surface of the workpiece, and has the functions of scratch resistance, corrosion resistance and the like.

At present, an air expansion shaft is required to be used for a coiled material take-up and pay-off shaft of a film pressing machine, the air expansion shaft is expanded and contracted by utilizing air inflation and air deflation, the air expansion shaft is unstable in structure, low in expansion or contraction precision, complex to manufacture and high in production cost, and therefore the tensioning mechanism for the coiled material take-up and pay-off shaft of the film pressing machine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a tensioning mechanism for a coiled material receiving and releasing shaft of a film pressing machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tensioning mechanism for a coiled material receiving and discharging shaft of a film pressing machine comprises a fixed disc, a screw rod is rotatably connected to the central position of one side of the fixed disc, the other end of the screw rod is rotatably connected with an adjusting shaft, the outer side of the adjusting shaft is rotatably sleeved with a positioning disc, four limit rods which are arranged in an annular shape are sleeved outside the positioning disc in a sliding mode, one ends of the four limit rods are fixedly connected with one side of the fixed disc, two sections of threads which are symmetrically arranged are arranged on the screw rod, and the outer sides of the two sections of threads which are symmetrically arranged are both in threaded connection with adjusting disks, and four limiting rods respectively penetrate through the two adjusting disks and are in sliding connection with the adjusting disks, four fixed blocks are fixedly arranged on one side of the adjusting disc, two sides of each fixed block are rotatably connected with a rotating shaft, and the other ends of the two rotating shafts positioned on the same fixed block are rotatably connected with the same fixed disc.

Preferably, a support bearing is fixedly installed at the center of one side of the fixed disk, one end of the screw rod extends to the inner ring of the support bearing and is fixedly connected with the inner ring of the support bearing, and the support bearing can be used for providing rotary support for the screw rod.

Preferably, the annular fixed mounting in outside of adjustment disk has four linear bearing that the equidistance was arranged, the gag lever post runs through appointed linear bearing inner race and with linear bearing's inner race sliding connection, linear bearing's design can reduce the frictional force between adjustment disk and the support bearing.

Preferably, the one end fixedly connected with dwang of regulating spindle, the one end fixedly connected with handle of dwang, and utilize the handle to drive the regulating spindle and rotate.

Preferably, the outer side of the handle is fixedly sleeved with a threaded rubber sleeve, and the friction force between the hand and the handle can be increased by utilizing the threaded rubber sleeve.

The utility model discloses in, when this tight mechanism that rises is adjusted to needs, rotate the handle this moment, the handle can drive the screw rod through the dwang and rotate, because be provided with two sections opposite screw threads on the screw rod, and two sections opposite screw threads respectively with two adjustment disk threaded connection, so in screw rod pivoted, can make two adjustment disks remove towards opposite direction, and in the time of adjustment disk removal, under the limiting displacement of gag lever post, can make the adjustment disk slide along the straight line when removing, and can utilize the pivot to drive the board that rises to remove when the adjustment disk removes, thereby can directly adjust four positions that rise the board, and then can realize the regulation that rises.

The utility model discloses a pure mechanical design of tight mechanism that rises, easy operation, low in manufacturing cost rises and tightly adjusts accurately, has stronger practicality.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a tensioning mechanism for a coiled material take-up and pay-off shaft of a film pressing machine provided by the utility model;

fig. 2 is a schematic view of a tensioning mechanism for a coiled material take-up and pay-off shaft of a film pressing machine according to the present invention;

fig. 3 is the utility model provides a side view structure schematic diagram of a tight mechanism that rises that is used for laminator coiled material receipts release axle.

In the figure: 1. fixing the disc; 2. a screw; 3. an adjustment shaft; 4. rotating the rod; 5. a grip; 6. a limiting rod; 7. positioning a plate; 8. an adjusting disk; 9. a fixed block; 10. a rotating shaft; 11. expanding the plate; 12. a linear bearing; 13. and supporting the bearing.

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.

Example one

Referring to fig. 1-3, a tension mechanism for a coiled material receiving and discharging shaft of a film pressing machine comprises a fixed disc 1, a screw rod 2 is rotatably connected to the central position of one side of the fixed disc 1, an adjusting shaft 3 is rotatably connected to the other end of the screw rod 2, a positioning disc 7 is rotatably sleeved on the outer side of the adjusting shaft 3, four limiting rods 6 which are annularly arranged are slidably sleeved on the outer side of the positioning disc 7, one ends of the four limiting rods 6 are fixedly connected with one side of the fixed disc 1, two sections of threads which are symmetrically arranged are arranged on the screw rod 2, and the outer sides of the two sections of threads which are symmetrically arranged are both in threaded connection with an adjusting disk 8, and four limiting rods 6 respectively penetrate through the two adjusting disks 8 and are in sliding connection with the adjusting disks 8, one side of each adjusting disk 8 is fixedly provided with four fixing blocks 9, both sides of each fixing block 9 are rotatably connected with rotating shafts 10, and the other ends of the two rotating shafts 10 positioned on the same fixed block 9 are rotatably connected with the same fixed disc 1.

Example two

The embodiment is improved on the basis of the first embodiment: a supporting bearing 13 is fixedly arranged at the central position of one side of the fixed disc 1, one end of the screw rod 2 extends to the inner ring of the supporting bearing 13 and is fixedly connected with the inner ring of the supporting bearing 13, the supporting bearing 13 can be used for providing rotary support for the screw rod 2, four linear bearings 12 which are distributed at equal intervals are annularly and fixedly arranged at the outer side of the adjusting disc 8, a limiting rod 6 penetrates through the inner ring of the specified linear bearing 12 and is in sliding connection with the inner ring of the linear bearing 12, the friction force between the adjusting disc 8 and the supporting bearing 13 can be reduced due to the design of the linear bearing 12, one end of the adjusting shaft 3 is fixedly connected with a rotating rod 4, one end of the rotating rod 4, and utilize the handle 5 to drive adjusting shaft 3 and rotate, the fixed cover in outside of handle 5 is equipped with the screw thread rubber sleeve, and utilizes the screw thread rubber sleeve can increase the frictional force between hand and the handle 5.

The working principle is as follows: when this tight mechanism that rises needs to be adjusted, rotate handle 5 this moment, handle 5 can drive screw rod 2 through dwang 4 and rotate, because be provided with two sections opposite screw threads on screw rod 2, and two sections opposite screw threads respectively with two adjustment disks 8 threaded connection, so in screw rod 2 pivoted, can make two adjustment disks 8 move towards opposite direction, and in the time of adjustment disk 8 removal, under the limiting displacement of gag lever post 6, can make adjustment disk 8 slide along the straight line when removing, and can utilize pivot 10 to drive the board 11 that rises and remove when adjustment disk 8 removes, thereby can directly adjust the position of four boards 11 that rise, and then can realize the regulation that rises.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tight mechanism that rises for material axle is received and discharged to film pressing machine coiled material, includes fixed disk (1), its characterized in that, one side central point of fixed disk (1) puts to rotate and is connected with screw rod (2), the other end of screw rod (2) rotates and is connected with regulating spindle (3), the outside of regulating spindle (3) is rotated the cover and is equipped with positioning disk (7), the outside slip cover of positioning disk (7) is equipped with stop lever (6) that four rings were arranged, four the one end of stop lever (6) all with one side fixed connection of fixed disk (1), be provided with two sections screw threads that the symmetry set up on screw rod (2), and the equal threaded connection in the outside of two sections screw threads that the symmetry set up has adjusting disk (8), and four stop lever (6) run through two adjusting disk (8) respectively and adjusting disk (8) sliding connection, one side fixed mounting of adjusting disk (8) has four fixed block (9), the both sides of fixed block (9) are all rotated and are connected with pivot (10), and are located the other end rotation of two pivot (10) on same fixed block (9) and are connected with same fixed disk (1).

2. The tensioning mechanism for the film pressing machine coiled material take-up and pay-off shaft is characterized in that a supporting bearing (13) is fixedly installed at the central position of one side of the fixed disc (1), and one end of the screw rod (2) extends to the inner ring of the supporting bearing (13) and is fixedly connected with the inner ring of the supporting bearing (13).

3. The tensioning mechanism for the film pressing machine coiled material take-up and pay-off shaft is characterized in that four linear bearings (12) are annularly and fixedly arranged on the outer side of the adjusting disc (8) at equal intervals, and the limiting rod (6) penetrates through the inner ring of the designated linear bearing (12) and is in sliding connection with the inner ring of the linear bearing (12).

4. The tensioning mechanism for the film laminator web take-up and pay-off shaft as claimed in claim 1, wherein one end of the adjusting shaft (3) is fixedly connected with a rotating rod (4), and one end of the rotating rod (4) is fixedly connected with a handle (5).

5. The tensioning mechanism for the film laminator web take-up and pay-off shaft as claimed in claim 4, wherein a threaded rubber sleeve is fixedly sleeved outside the handle (5).