Flange pressing device

Abstract

The present invention discloses a flange pressing device, comprising a first pressing member, a second pressing member, a first connecting rod, a second connecting rod, and a device fixing member. The first pressing member and the second pressing member are arranged relative to each other and form an accommodating space therebetween for accommodating the first flange and the second flange. The lower end of the first pressing member is provided with a first rotating portion, the lower end of the second pressing member is provided with a second rotating portion, the first rotating portion and the second rotating portion are rotatably connected to the device fixing member, the upper end of the first pressing member is provided with a third rotating portion, the upper end of the second pressing member is provided with a fourth rotating portion, the third rotating portion is movably connected to the first connecting rod, the fourth rotating portion is movably connected to the second connecting rod, and the first connecting rod is movably connected to the second connecting rod via a fifth rotating portion. The present invention realizes rapid pressing of the first flange and the second flange, greatly improves fastening efficiency, reduces labor costs and the probability of accident risks, and extends service life.

Description

Technical Field

[0001] The invention relates to a flange pressing device. Background Art

[0002] The flange connections in existing extruders are mostly loose-leaf and bolted, which have the disadvantages of long operation time and low tightening efficiency. Frequent mold changes due to different extruded products can easily damage the bolts and nuts connecting the flanges. Furthermore, the mold replacement process is cumbersome, sometimes even requiring the replacement of the flange plate, which wastes a lot of time and causes significant losses due to production downtime. Furthermore, workers operating the machine in high temperatures pose a safety hazard and are prone to burns. Summary of the Invention

[0003] The main purpose of the present invention is to overcome the deficiencies of the prior art and provide a flange pressing device with high fastening efficiency, safety, no risks and long service life.

[0004] To achieve the above-mentioned purpose, the present invention provides a flange pressing device:

[0005] A flange pressing device includes a first pressing part, a second pressing part, a first connecting rod, a second connecting rod and a device fixing part. The first pressing part and the second pressing part are arranged opposite to each other and form an accommodating space for accommodating the first flange and the second flange in the middle. The lower end of the first pressing part is provided with a first rotating part, the lower end of the second pressing part is provided with a second rotating part, the first rotating part and the second rotating part are rotatably connected to the device fixing part, the upper end of the first pressing part is provided with a third rotating part, the upper end of the second pressing part is provided with a fourth rotating part, the third rotating part is movably connected to the first connecting rod, the fourth rotating part is movably connected to the second connecting rod, and the first connecting rod is movably connected to the second connecting rod through a fifth rotating part.

[0006] Preferably, the thickness of the first flange and the second flange gradually narrows from the inside to the outside, and the first pressing part and the second pressing part are provided on the opposite sides of each other with a receiving groove that matches the thickness of the first flange and the second flange gradually narrowing from the inside to the outside. The first flange and the second flange are located between the first pressing part and the second pressing part and are confined in the receiving groove.

[0007] Preferably, the first connecting rod includes two longitudinal side walls and a cross bar connecting the two longitudinal side walls. The end of the first connecting rod opposite to the cross bar is provided with a transverse through hole and a fixing hole that penetrate each other, and the fifth rotating part is accommodated in the transverse through hole; the bolt is fixed in the fixing hole by a threaded manner and abuts against the fifth rotating part.

[0008] The first connecting rod and the second connecting rod cooperate with each other to realize the opening and closing of the flange pressing device. By adjusting the position of the bolt, the fifth rotating part can be driven forward or backward. The movement of the fifth rotating part increases or decreases the distance between the joints of the corresponding active connections of the first connecting rod and the second connecting rod, thereby adjusting the pressing tightness of the flange pressing device.

[0009] As described above, the flange pressing device of the present invention controls the docking and separation of the first pressing part and the second pressing part through the linkage cooperation of the first connecting rod and the second connecting rod, thereby realizing rapid pressing of the first flange and the second flange, greatly saving the fastening time, avoiding direct contact of workers with high-temperature components, reducing labor costs and the probability of accident risks, and improving the pressing efficiency. At the same time, the device is basically maintenance-free, and its service life is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the structure of the flange pressing device of the present invention.

[0011] Figure 2 for Figure 1 Exploded view of the flange pressing device shown

[0012] exist Figure 1 and Figure 2 In the figure, the parts with the same function and structure are marked with the same reference numerals. For the sake of simplicity in the drawing, the reference numerals of the same parts in symmetrical positions are omitted:

[0013] Label name Label name 1 First pressing piece 11 First rotating part 2 Second pressing piece 12 The third rotating part 3 First connecting rod 21 Second rotating part 4 Second connecting rod 22 Fourth rotating part 5 Device fixing plate 31 Fifth rotating unit 6 First flange 32 bolt 7 Second flange DETAILED DESCRIPTION

[0014] The following is a detailed description of the embodiment of the flange pressing device of the present invention. It should be emphasized that the following description is merely exemplary and is not intended to limit the scope and application of the present invention.

[0015] See also Figure 1 The flange pressing device of the present invention includes a first pressing part 1, a second pressing part 2, a first connecting rod 3, a second connecting rod 4 and a device fixing part 5. The first pressing part 1 and the second pressing part 2 are arranged opposite to each other and a accommodating space for accommodating the first flange 6 and the second flange 7 is formed in the middle. The lower end of the first pressing part 1 is provided with a first rotating part 11, and the lower end of the second pressing part 2 is provided with a second rotating part 21. The first rotating part 11 and the second rotating part 21 are rotatably connected to the device fixing part 5. The upper end of the first pressing part 1 is provided with a third rotating part 12, and the upper end of the second pressing part 2 is provided with a fourth rotating part 22. The third rotating part 12 is movably connected to the first connecting rod 3, and the fourth rotating part 22 is movably connected to the second connecting rod 4. The first connecting rod 3 is movably connected to the second connecting rod 4 through the fifth rotating part 31.

[0016] As a further improvement of this embodiment, the thickness of the first flange 6 and the second flange 7 gradually narrows from the inside to the outside, and the first pressing part 1 and the second pressing part 2 are provided on opposite sides of each other with a receiving groove that matches the thickness of the first flange 6 and the second flange 7 gradually narrowing from the inside to the outside. The first flange 6 and the second flange 7 are located between the first pressing part 1 and the second pressing part 2 and are confined in the receiving groove.

[0017] As a further improvement of this embodiment, the first connecting rod 3 includes two longitudinal side walls and a cross bar connecting the two longitudinal side walls. The first connecting rod 3 is respectively provided with a transverse through hole and a fixing hole that penetrate each other at the end opposite to the cross bar, and the fifth rotating part 31 is accommodated in the transverse through hole; the bolt 32 is fixed in the fixing hole by a threaded manner and abuts against the fifth rotating part 31.

[0018] As a further improvement of this embodiment, the diameter of the transverse through hole is larger than the diameter of the fifth rotating part 31 .

[0019] The first connecting rod 3 and the second connecting rod 4 cooperate with each other to realize the opening and closing of the flange pressing device. By adjusting the position of the bolt 32, the fifth rotating part 31 can be driven forward or backward. The movement of the fifth rotating part 31 increases or decreases the distance between the joints of the corresponding active connections of the first connecting rod 3 and the second connecting rod 4, thereby adjusting the pressing tightness of the flange pressing device.

[0020] The working process of the flange pressing device embodiment of the present invention includes the following steps:

[0021] First, fix the flange pressing device on the extruder frame body, install the first flange 6 on the extruder, and install the second flange 7 on the head mold. The first flange 6 and the second flange 7 are located between the first pressing part 1 and the second pressing part 2.

[0022] Pull the second connecting rod 4 so that the second connecting rod 4 moves downward away from the first connecting rod 3. The second connecting rod 4 drives the second pressing part 2 to move toward the first pressing part 1 through the fourth rotating part 22. At the same time, the first connecting rod 3 is driven toward the second connecting rod 4 through the fifth rotating part 31. The first connecting rod 3 drives the first pressing part 1 to move toward the second pressing part 2 through the third rotating part 12. The first pressing part 1 and the second pressing part 2 approach each other until they are tightly fitted together with the first flange 6 and the second flange 7, thereby achieving the purpose of rapid pressing.

[0023] The second connecting rod 4 is pushed so that the second connecting rod 4 moves upward facing the first connecting rod 3 , and the first pressing part 1 and the second pressing part 2 move away from each other, entering the next pressing cycle.

[0024] To sum up, the flange pressing device of the present invention controls the docking and separation of the first pressing part 1 and the second pressing part 2 through the linkage cooperation of the first connecting rod 3 and the second connecting rod 4, thereby realizing the rapid pressing of the first flange 6 and the second flange 7, greatly saving the fastening time, avoiding direct contact of workers with high-temperature components, reducing labor costs and the probability of accident risks, and improving the pressing efficiency. At the same time, the device is basically maintenance-free and has a longer service life.

[0025] The above is a further detailed description of the present invention in conjunction with specific / preferred embodiments, and the specific implementation of the present invention should not be considered to be limited to these descriptions. Those skilled in the art to which the present invention relates may make various substitutions or modifications to the described embodiments without departing from the scope of the present invention, and such substitutions or modifications should be considered to fall within the scope of protection of the present invention.

Claims

1. A flange pressing device, characterized in that: The present invention relates to a device for rotating the rotating shaft of the first and second connecting rods, wherein the first and second connecting rods are connected to each other via a rotation axis connected to the first and second control axes. The first and second connecting rods are connected by a rotation axis connected to the first and second control axes. The first and second connecting rods are connected by a rotation axis connected to the first and second control axes. The fourth rotating part is movably connected to the second connecting rod, and the first connecting rod is movably connected to the second connecting rod through the fifth rotating part; the first connecting rod includes two longitudinal side walls and a cross rod connecting the two longitudinal side walls, and the first connecting rod is provided with a fixing hole at the end opposite to the cross rod, and the bolt is fixed in the fixing hole by a threaded manner and abuts against the fifth rotating part, and the first connecting rod is provided with a transverse through hole that penetrates each other at the end opposite to the cross rod, and the fifth rotating part is accommodated in the transverse through hole, and the diameter of the transverse through hole is larger than the diameter of the fifth rotating part.

2. The flange pressing device according to claim 1, characterized in that: The thickness of the first flange and the second flange gradually narrows from the inside to the outside, and the first pressing part and the second pressing part are provided with a receiving groove on the opposite sides of each other, which matches the gradually narrowing thickness of the first flange and the second flange from the inside to the outside. The first flange and the second flange are located between the first pressing part and the second pressing part and are confined in the receiving groove.

Images