CN209668414U - Press belt mechanism - Google Patents

Abstract

A belt pressing mechanism, which includes a pressing assembly and a pressing plate, wherein the pressing assembly includes a driving part and a driving end capable of moving under the driving of the driving part, and the driving end is used to abut against the pressing plate to Drive the pressing plate to move in a straight line along the radial direction of the passing roller. Such arrangement avoids the situation that the diaphragm is damaged due to slipping on the surface of the passing roller due to the arc movement, and improves the reliability of the belt pressing mechanism.

Description

Press belt mechanism

technical field

The utility model relates to a belt pressing mechanism, which belongs to the technical field of automation equipment.

Background technique

Please refer to Fig. 1, when the membrane 1' is changed, it is necessary to press the membrane 1' tightly on the roller 2'. In the prior art, a driving member is used to connect the pressing plate 3', and the pressing plate 3' is pressed against the passing roller 2' by rotation. At this time, the movement trajectory of the pressing plate 3' is an arc, and when the pressing plate 3' contacts the passing roller 2', if the lower surface of the pressing plate 3' is not tangent to the surface of the passing roller 2', the pressing plate 3' is easy to pass the roller. The surface of 2' slips and causes tearing of the diaphragm 1', resulting in damage to the diaphragm 1'. In addition, when the roll is changed, it is not necessary for the pressure plate 3' to touch the roller 2' to clamp the diaphragm 1'. However, when the machine vibrates, the pressure plate 3' is likely to contact the roller 2' and affect the transmission of the diaphragm 1'.

Utility model content

The purpose of the utility model is to provide a belt pressing mechanism that can avoid adverse effects on the diaphragm.

In order to achieve the above object, the utility model adopts the following technical solution: a belt pressing mechanism, which includes a pressing assembly and a pressing plate, wherein the pressing assembly includes a driving part and a driving end that can move under the driving of the driving part , the driving end is used to abut against the pressing plate to drive the pressing plate to move linearly along the radial direction of the passing roller.

As a further improved technical solution of the utility model, the belt pressing mechanism includes a slider connected to the pressing plate and an elastic member resisting the slider.

As a further improved technical solution of the utility model, the belt pressing mechanism includes a guide rod for cooperating with the slider, and the elastic member is sleeved on the guide rod.

As a further improved technical solution of the utility model, the guide rod is provided with a limit plate that restricts the excessive movement of the slider, and the limit plate and the guide rod are provided with mutual cooperation and can adjust the limit plate. position of the threaded structure.

As a further improved technical solution of the present invention, there are two sliders connected to both sides of the pressure plate respectively, and each slider includes the guide rod and the elastic member matched with it.

As a further improved technical solution of the utility model, the belt pressing mechanism includes a mounting plate, and the mounting plate is provided with a through hole corresponding to the pressing plate; the guide rod is fixed on the mounting plate, and the elastic member held between the mounting plate and the slider.

As a further improved technical solution of the present invention, the pressing assembly includes a base, a connecting rod hinged to the base, and a fixing block for the pressing rod, wherein one end of the connecting rod is hinged to the driving member, and the driving member is hinged to On the pressing rod fixing block; a pressing rod is arranged on the pressing rod fixing block, and the driving end is located on the pressing rod.

As a further improved technical solution of the utility model, the driving end is provided with a pressing head, and the pressing head has an arc-shaped pressing surface abutting against the pressing plate.

As a further improved technical solution of the present invention, the driving member is a pressing hand, and the pressing hand can drive the driving end to contact the pressing plate, so that the pressing plate moves along a straight line.

As a further improved technical solution of the utility model, the belt pressing mechanism further includes a detecting device for detecting the position of the pressing plate.

Compared with the prior art, the utility model avoids the situation that the diaphragm is damaged due to the arc movement easily slipping on the surface of the passing roller by making the pressing plate move radially and linearly along the passing roller, and improves the reliability of the belt pressing mechanism .

Description of drawings

Fig. 1 is a schematic diagram of the action of clamping the diaphragm by the pressure plate of the pressure belt mechanism in the prior art.

Fig. 2 is a front view of the belt pressing mechanism of the present invention.

FIG. 3 is a top view of FIG. 2 .

Fig. 4 is a schematic diagram of a pressing assembly.

Detailed ways

Please refer to Fig. 2 to Fig. 4, the utility model discloses a belt pressing mechanism, which includes a mounting plate 1, a pressing assembly 2 installed on the mounting plate 1 and a pressing assembly 2 for Matching platen 3. The pressing assembly 2 includes a driving member 20 and a driving end 24 that can move under the driving of the driving member 20, and the driving end 24 is used to abut the pressing plate 3 to drive the pressing plate 3 along the roller. radial linear motion.

Please refer to FIG. 4, the pressing assembly 2 includes a base 21, a connecting rod 22 hinged to the base 21, and a pressing bar fixing block 23, wherein the base 21 includes a first pivot portion 211, a second pivot connecting portion 212 and a groove 213 between the first pivot portion 211 and the second pivot portion 212; one end of the connecting rod 22 is hinged to the first pivot through a first hinge shaft 221 part 211 , the other end of the connecting rod 22 is hinged to the driving member 20 through the second hinge shaft 222 . One end of the pressing rod fixing block 23 is hinged to the second pivot portion 212 via a third hinge shaft 231 , and is hinged to the driving member 20 via a fourth hinge shaft 232 . The pressing assembly 2 is a four-bar linkage structure. The pressing rod fixing block 23 is provided with a pressing rod 25 , and the driving end 24 is located on the pressing rod 25 .

The driving member 20 is a pressing hand in the illustrated embodiment of the utility model, which can drive the second hinge shaft 222 to move in the groove 213, and at the same time drive the pressing bar fixing block 23, pressing bar 25 and the driving end 24 rotate around the third hinge axis 231.

Preferably, the driving end 24 is a pressing head, and the pressing head has a circular arc-shaped pressing surface 241 to reduce friction with the pressing plate 3 and to better drive the pressing plate 3 to move along a straight line. Specifically, in the illustrated embodiment of the utility model, the driving end 24 of the pressing assembly 2 is not directly connected to the pressing plate 3, and the movement track of the pressing plate 3 is a straight line, so that the pressing plate 3 can move along the radial direction of the passing roller. Move to prevent the pressing plate 3 from tearing the diaphragm and causing damage to the diaphragm.

The mounting plate 1 is provided with a through hole 11 corresponding to the pressing plate 3 , so that the pressing plate 3 can move on one side of the through hole 11 or through the through hole 11 .

The belt pressing mechanism includes a slider 31 connected to the pressing plate 3, an elastic member 32 against the slider 31, a guide rod 33 for cooperating with the slider 31, and a guide rod 33 for limiting the slider. Limiting plate 34 for excessive movement of block 31.

Preferably, in the illustrated embodiment of the utility model, there are two sliders 31 and they are respectively connected to both sides (for example, left and right sides) of the pressure plate 3 , and each slider 31 includes a The guide rod 33, the elastic member 32, the limiting plate 34 and other structures. Such setting can improve the sliding stability of the slider 31 , and at the same time, the resilience force can be improved by arranging the two elastic members 32 , reducing the risk that the pressure plate 3 abuts against the passing roller when vibrating, thus affecting the transmission of the diaphragm.

In order to simplify the description, only one slider 31 and its matching components are taken as an example below. The guide rod 33 is fixed on the mounting plate 1 . The elastic member 32 is a spring, which is sleeved on the guide rod 33 and resisted between the installation plate 1 and the slider 31 to provide an upward restoring force for the slider 31 . Certainly, in other implementation manners, the elastic member 32 may also adopt other elements with elastic recovery force. The limit plate 34 and the guide rod 33 are provided with threaded structures that cooperate with each other and can adjust the position of the limit plate 34 . Specifically, in one embodiment, the upper end of the guide rod 33 has an external thread, and the limit plate 34 has an internal thread hole matched therewith, and the limit plate 34 is movably arranged on the limit plate 34, which can Adjust the position of the pressure plate 3.

The belt pressing mechanism of the present invention may also include a detecting device (not shown) for detecting the position of the pressing plate 3 . The detection device includes an induction sheet and a sensor matched with the induction sheet. In an embodiment of the present utility model, the sensing sheet can be arranged on the slider 31 , and the sensor can be arranged on the installation board 1 . Certainly, in other embodiments, the positions of the sensing sheet and the sensor can also be exchanged, for example, the sensing sheet is arranged on the mounting plate 1, and the sensor is arranged on the slider 31 superior. In order to improve detection accuracy, the sensor is preferably a photoelectric sensor. By arranging the detection device, when the pressure plate 3 moves linearly along the radial direction of the passing roller, the position of the pressure plate 3 can be detected through the change of the relative position of the induction sheet and the sensor, and judge accordingly Whether the pressing plate 3 moves to the set position improves the reliability of the belt pressing mechanism of the present invention.

When changing rolls, press the hand downward manually, and the pressure head contacts the pressure plate 3 so that the pressure plate 3 moves downward along a straight line, and cooperates with the roller to compress the diaphragm. After changing the roll, manually lift the pressing hand upwards, and the pressing plate 3 returns to its original position under the action of the elastic member 32, so that the pressing plate 3 and the passing roller are separated by a certain distance, so as to avoid affecting the transmission of the diaphragm.

The above embodiments are only used to illustrate the utility model rather than limit the technical solution described in the utility model. The understanding of this description should be based on those skilled in the art, such as "front", "rear", "left" , "right", "up", "down" and other directional descriptions, although this specification has described the utility model in detail with reference to the above-mentioned embodiments, those of ordinary skill in the art should understand that the technical field Those skilled in the art can still modify or equivalently replace the utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the utility model should be covered within the scope of claims of the utility model.

Claims (10)

1. a kind of press belt mechanism, which is characterized in that including holding down assembly and pressing plate, wherein it is described hold down assembly including actuator with And the driving end that can be moved under the driving of the actuator, the driving end is to abut the pressing plate to drive the pressure Plate is moved along the radial alignment for crossing roller.

2. press belt mechanism as described in claim 1, it is characterised in that: the press belt mechanism includes the cunning being connected with the pressing plate Block and the elastic component for supporting the sliding block.

3. press belt mechanism as claimed in claim 2, it is characterised in that: the press belt mechanism includes to match with the sliding block The guide rod of conjunction, the elastic component are socketed on the guide rod.

4. press belt mechanism as claimed in claim 3, it is characterised in that: the guide rod is equipped with the limitation sliding block and excessively moves Limit plate, the limit plate and the guide rod are equipped with the screw thread knot that cooperates and can adjust the position of the limit plate Structure.

5. press belt mechanism as claimed in claim 4, it is characterised in that: the sliding block is two and is connected to the pressing plate Two sides, each sliding block includes the guide rod engaged therewith and the elastic component.

6. press belt mechanism as claimed in claim 5, it is characterised in that: the press belt mechanism includes mounting plate, the mounting plate Through-hole equipped with the correspondence pressing plate；The guide rod is fixed on the mounting plate, and the elastic component is supported in the installation Between plate and the sliding block.

7. press belt mechanism as described in claim 1, it is characterised in that: described to hold down assembly including pedestal, be articulated with the bottom The connecting rod and compression bar fixed block of seat, wherein hingedly the actuator, the actuator are articulated with described for one end of the connecting rod Compression bar fixed block；Compression bar is provided on the compression bar fixed block, the driving end is located on the compression bar.

8. press belt mechanism as claimed in claim 7, it is characterised in that: the driving end be equipped with pressure head, the pressure head have with The arc-shaped that the pressing plate abuts against compresses face.

9. press belt mechanism as claimed in claim 7, it is characterised in that: the actuator is pressure hand, and the pressure hand can drive Pressing plate described in the driving end in contact, makes the pressing plate move along a straight line.

10. the press belt mechanism as described in any one of claim 1 to 9, it is characterised in that: the press belt mechanism further includes To detect the detection device of the position of the pressing plate.