CN208218007U - A kind of heat shrink films deflector roll - Google Patents

Abstract

The utility model relates to a kind of heat shrink films deflector rolls, including bracket and deflector roll, deflector roll is horizontally disposed, bracket is connected to the left and right ends of deflector roll, bracket includes infrared sensor after infrared sensor and first before through-hole, first, what the position of the two was set as: using the vertical line L passed through between through-hole and ground as benchmark line, infrared sensor is located at the front and rear sides of vertical line L after infrared sensor and first before first, the line of the two and through-hole and vertical line L are respectively formed identical first angle α, and the two and through-hole are equidistant；Deflector roll includes roll body, convex block, drive rod and the second infrared sensor group, and drive rod is arranged in the hollow parts of roll body and convex block is slowly driven to move along perforation with certain speed.The utility model more precise control convex block stretches, while roll body being made to be kept in contact the smooth of face when receiving shrink film, and stretches out convex block increasing friction force in winding and maintain winding power.

Description

A kind of heat shrink films deflector roll

Technical field

The utility model relates to the technical field of heat shrink films production equipment more particularly to a kind of heat shrink films deflector rolls.

Background technique

With the development of society, heat shrink films packaging bag using more and more extensive, especially in terms of commodity packaging Using.Existing deflector roll is used in winding or conveying heat shrink films, but can generally set when winding in order to avoid heat shrink films skidding It sets protrusion and increases friction, but protrusion will affect conveying heat shrink films, it is therefore necessary to improve.

Utility model content

The purpose of this utility model is to provide a kind of thermal contraction for not only increasing friction but also do not influence conveying for above-mentioned status Film deflector roll.

The technical solution adopted in the utility model: a kind of heat shrink films deflector roll, including bracket and deflector roll, the deflector roll are horizontal Setting, the bracket are connected to the left and right ends of the deflector roll, in which:

The bracket includes baffle, driving motor and the first infrared sensor group, and the output end of the driving motor is horizontal The through-hole of the baffle is stretched out in, infrared sensor after infrared sensor and first before the surface of the baffle is equipped with first, two What the position of person was set as: the vertical line L between center and ground to pass through the through-hole is benchmark line, before described first Infrared sensor is located at the front and rear sides of the vertical line L, the two and the through-hole after infrared sensor and described first Line and the vertical line L are respectively formed identical first angle α, and the two and the through-hole are equidistant；

The deflector roll includes roll body, convex block, drive rod and the second infrared sensor group, the both ends of the roll body and the drive The output end of dynamic motor is cooperatively connected, and the roll body is hollow circular-tube structure, including both outer wall, inner wall and radial perforation Perforation, and the perforation is uniformly distributed along the circumferential and axial of the roll body, the perforation and institute that adjacent two rows are axially arranged The line for stating the horizontal center line axis of roll body forms the second angle of identical as first angle degree, in each perforation Its movable drive rod can be prolonged equipped with one, the front end of the drive rod connects the convex block, and rear end is with setting described The left and right two of the roll body is arranged in power device transmission connection in the hollow parts of roll body, the second infrared sensor group It any end at end and is corresponded with convex block described in axially disposed every row, each second infrared sensor is and institute State power device connection.

The beneficial effects of the utility model are: two groups of mutual corresponding inductors of setting, more precise control convex block are stretched Contracting, while the stretching speed that convex block is arranged is corresponding with the rotation speed of roll body, is kept in contact roll body when receiving shrink film Face it is smooth, and winding when stretch out convex block increasing friction force maintain winding power.

Detailed description of the invention

Attached drawing involved in the utility model embodiment description is simply introduced, in order to the utility model reality It applies the technical solution in example to be become apparent from, completely illustrated, some implementations of following attached drawing only for the utility model Example, is not intended to limit the utility model, under the premise of without other creative works, it is clear that can be according to these attached drawings Obtain other accompanying drawings.

Fig. 1 is a kind of main view of heat shrink films deflector roll of the utility model；

Fig. 2 is the main view of baffle in Fig. 1；

Fig. 3 is the main view perspective view of deflector roll in Fig. 1；

Fig. 4 is the main view of deflector roll in Fig. 1.

Specific embodiment

The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical It is novel, it is not intended to limit the scope of the utility model.

As shown in Figure 1, the utility model provides a kind of heat shrink films deflector roll, including bracket 1 and deflector roll 2,2 level of deflector roll is set It sets, bracket 1 is connected to the left and right ends of deflector roll 2.

In conjunction with Fig. 2, bracket 1 includes rack body 11, baffle 12, driving motor 13 and the first infrared sensor group 14, branch Frame ontology 11 is vertically arranged on the ground, and the inside of rack body 11 is equipped with driving motor 13, and the medial surface of rack body 11 is set There is baffle 12, the output end 130 of driving motor 13 protrudes horizontally up the through-hole 120 in baffle 12, and the surface of baffle 12 is equipped with first Infrared sensor group 14, wherein the first infrared sensor group 14 includes infrared sensing after infrared sensor 141 and first before first Device 142, what the position of the two was set as: on the basis of the vertical line L between 120 center of through-hole and ground by baffle 12 Line, infrared sensor 142 is located at the front and rear sides of vertical line L, the two and through-hole after infrared sensor 141 and first before first 120 line and the first angle of vertical line L are α, and the two is equidistant with through-hole 20.

It should be noted that the range of the first angle α is 15~30 °.

Further, the driving direction of the driving motor 13 is infrared sensing after the infrared sensor 141 to the first before first Device 142.

In conjunction with Fig. 3 and Fig. 4, deflector roll 2 includes roll body 21, convex block 22, drive rod 23 and the second infrared sensor group 24, roll body 21 be hollow circular-tube structure, and the output end 130 of its left and right ends and driving motor 13 is cooperatively connected, and is moved synchronously with realizing. Roll body 21 includes the perforation 210 of both outer wall 211, inner wall 212 and radial perforation, circumferential direction and axis of the perforation 210 along roll body 21 To being uniformly distributed, the line shape of the horizontal center line axis L2 of the central axes and roll body 21 for the perforation 210 that adjacent two rows are axially arranged At the second angle γ, and the second angle γ is equal to the first angle α.Its movable convex block can be prolonged by being equipped with one in each perforation 210 22, the front end face of convex block 22 is corresponding with outer wall 211, and the rear end of convex block 22 is connect with drive rod 23, and drive rod 23 is along perforation 210 It is arranged radially, its rear end is connect with the power device for the hollow parts that roll body 21 is arranged in, and power device makes drive rod 23 with one Constant speed degree slowly drives convex block 22 to move, the motion range of convex block 22 are as follows: when 23 protruding longest of drive rod, convex block 22 stretches out The outer wall 211 of roll body 21, when drive rod 23 is inwardly indented most in short-term, front end and the outer wall 211 of convex block 22 are smoothly connected.Second is red Outer sensor group 24 is arranged in any end of the left and right ends of roll body 21 and corresponds with axially disposed every row's convex block, I.e. axially disposed every row's convex block 22 is correspondingly arranged second infrared sensor 240, each second infrared sensor 240 It is electrically connected with power device.

It should be noted that the stretching speed of drive rod 23 limits in this way: roll body 21 rotates about the axis thereof one In the time of one angle α, drive rod 23 is at the uniform velocity to shrink from outside to inside or stretch out from inside to outside its own length.

Before infrared sensor 141 senses the second infrared inductor 240 before first, second infrared inductor 240 The corresponding drive rod 230 of connection is located at stretching state, and infrared sensor 141 senses the second infrared inductor before first When 240, the corresponding drive rod 230 of the latter starts at the uniform velocity to contract, when roll body 21 rotates about the axis first angle α In, i.e., convex block it is just vertical drive rod 23 is contracted to convex block 22 and is just smoothly connected with outer wall 211 upward, receive heat at this time Shrink film；Continue rotation to infrared sensor 142 senses the second infrared inductor 240 after first when, the corresponding biography of the latter The beginning of lever 230 is at the uniform velocity protruding, this length is always maintained at when extending out to longest position.

The utility model is set simultaneously by two groups of mutual corresponding inductors of setting, stretching for more precise control convex block The stretching speed for setting convex block is corresponding with the rotation speed of roll body, and roll body is made to be kept in contact the smooth of face when receiving shrink film, And convex block increasing friction force is stretched out in winding and maintains winding power.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, all in the utility model Spirit and principle within, any modification, equivalent replacement, improvement and so on should be included in the protection model of the utility model Within enclosing.

Claims (4)

1. a kind of heat shrink films deflector roll, including bracket and deflector roll, the deflector roll is horizontally disposed, and the bracket is connected to the deflector roll Left and right ends, it is characterised in that:

The bracket includes that baffle, driving motor and the first infrared sensor group, the output end of the driving motor protrude horizontally up In the through-hole of the baffle, infrared sensor after infrared sensor and first before the surface of the baffle is equipped with first, the two What position was set as: the vertical line L between center and ground to pass through the through-hole is infrared before described first as benchmark line Infrared sensor is located at the front and rear sides of the vertical line L, the line of the two and the through-hole after sensor and described first Identical first angle α is respectively formed with the vertical line L, and the two and the through-hole are equidistant；

The deflector roll includes roll body, convex block, drive rod and the second infrared sensor group, and the both ends of the roll body and the driving are electric The output end of machine is cooperatively connected, and the roll body is hollow circular-tube structure, including wearing for both outer wall, inner wall and radial perforation Hole, and the perforation is uniformly distributed along the circumferential and axial of the roll body, the perforation that adjacent two rows are axially arranged with it is described The line of the horizontal center line axis of roll body forms the second angle of degree identical as first angle, sets in each perforation There is one can prolong its movable drive rod, the front end of the drive rod connects the convex block, and rear end and setting are in the roller The left and right ends of the roll body are arranged in power device transmission connection in the hollow parts of body, the second infrared sensor group Any end and with convex block described in axially disposed every row correspond, each second infrared sensor with it is described Power device connection.

2. a kind of heat shrink films deflector roll according to claim 1, which is characterized in that the range of first angle α is 15 ~30 °.

3. a kind of heat shrink films deflector roll according to claim 2, which is characterized in that the stretching speed of the drive rod is this What sample limited: the roll body rotated about the axis thereof in the time of first angle α, and the drive rod at the uniform velocity to receive from outside to inside Its own length is stretched out in contracting from inside to outside.

4. a kind of heat shrink films deflector roll according to claim 3, which is characterized in that the motion range of the convex block are as follows: institute When stating the protruding longest of drive rod, the convex block stretches out the outer wall of roll body, described when the drive rod is inwardly indented most in short-term The front end of convex block is smoothly connected with the outer wall.