CN221628501U

CN221628501U - Device for assembling wear-resistant piece

Info

Publication number: CN221628501U
Application number: CN202420026215.XU
Authority: CN
Inventors: 李小丹
Original assignee: Shenzhen Yong Cheng Chuang Technology Co ltd
Current assignee: Shenzhen Yong Cheng Chuang Technology Co ltd
Priority date: 2024-01-05
Filing date: 2024-01-05
Publication date: 2024-08-30
Anticipated expiration: 2034-01-05

Abstract

The utility model discloses a device for assembling wear plates, which is used for assembling the wear plates to the inside of a fan and comprises the following components: the device comprises an installation shell and a driving assembly arranged in the installation shell, wherein the driving assembly is electrically connected with a suction assembly, the driving assembly consists of a vacuum air pump and a driving motor, an air suction pipe is arranged on one side of the vacuum air pump, and an electric connecting wire is arranged on one side of the driving motor. The suction assembly consists of a suction tube and a suction head, the suction tube is of a cylindrical structure with a cavity in the middle, the suction tube is connected with the tail part of the suction tube, and one side of the suction head, which is far away from the suction tube, is provided; pressing the suction switch that sets up on the subassembly lateral wall absorbs to the valve of driving motor one side is opened, and driving motor inhales the vacuum this moment, and the suction head that is connected with suction tube one side produces the suction, and the suction head is to inside the fan of quick assembly after the wear pad absorbs, and assembly process is simple and swift, and wear pad is difficult for dropping at the in-process of absorbing, has improved the whole assembly efficiency of device.

Description

Device for assembling wear-resistant piece

Technical Field

The utility model relates to the technical field of industrial manufacturing, in particular to a device for assembling wear plates.

Background

Along with the acceleration of manufacturing, in the assembly process of carrying out the chassis fan, people are in order to improve the assembly efficiency to the chassis fan, the producer is paid attention to the reliability of chassis fan in carrying out the assembly gradually, the inside of the existing chassis fan in market generally all needs to assemble a wear pad, so as to improve the chassis fan and carry out rotational stability, the size of wear pad is less, the assembly degree of difficulty is great, generally carry out the assembly process, the edge of wear pad is gently clamped through the tweezers used by the manual work, and stretch into the interior cavity of chassis fan and laminate, thereby carry out manual installation to the wear pad, lead to the assembly process of existing chassis fan, assembly efficiency is lower, unable quick carries out the wear pad to the chassis fan inside, the producer needs to consume a large amount of manual work in the production process in the past and assemble the wear pad, simultaneously also consumed a large amount of time, lead to the producer to carrying out the cost in the fan assembly process, the problem that the present current device is unable to assemble the wear pad in the fan assembly process.

Disclosure of utility model

The utility model discloses a device for assembling wear plates, which aims to solve the problem that the conventional device cannot be assembled quickly in the process of assembling wear plates of fans.

The present utility model provides a device for fitting wear plates, wherein the device is used for fitting wear plates to the interior of a fan, the device comprising: the device comprises a mounting shell and a driving assembly arranged in the mounting shell, wherein the driving assembly is electrically connected with a suction assembly, and the mounting shell consists of a mounting bottom plate and a mounting cover plate.

The driving assembly consists of a vacuum air pump and a driving motor, wherein an air suction pipe is arranged on one side of the vacuum air pump, and an electric connecting wire is arranged on one side of the driving motor.

The suction assembly consists of a suction tube and a suction head fixedly arranged on one side of the suction tube, the suction tube is of a cylindrical structure with a cavity in the middle, the suction tube is connected with the upper end of the suction tube, and the suction head is arranged on one side, away from the suction tube, of the suction tube.

The suction switch arranged on the outer side wall of the suction assembly is pressed, so that a valve on one side of the driving motor is opened, at the moment, the vacuum air pump sucks vacuum, suction force is generated on one side of the suction barrel, and the suction head positioned on the other side of the suction barrel sucks a wear pad and is placed in a mounting cavity of the fan.

A device for assembling wear plates, wherein the outer side wall of the suction assembly is provided with an annular anti-slip rubber ring.

The device for assembling the wear-resistant piece is characterized in that a suction head switch is further arranged on the outer side face of the suction barrel, and one end of the electric connecting wire is electrically connected with the suction head switch.

A device for assembling wear plates, wherein the suction head is a metal needle tube with a hollow structure.

The device for assembling the wear-resistant piece is characterized in that one side of the vacuum air pump is further provided with an air pressure adjusting valve, and the air pressure adjusting valve is communicated with the air suction pipe.

A device for assembling wear plates, wherein a nut is arranged at the tail end of the air suction pipe, a communicating pipe is arranged at the inner side of the installation shell, and an external thread is arranged on the outer wall of the communicating pipe;

the screw cap is connected with the communicating pipe through threads.

A device for to wear pad assembly, wherein, one side of vacuum air pump is provided with a barometer, the dial plate of barometer orientation one side of installation apron sets up, just the barometer with communicate with communicating pipe.

A device for assembling wear plates, wherein one end of an air suction pipe is communicated with a vacuum air pump, and the other end of the air suction pipe is connected with a cavity of a suction cylinder to be communicated.

The device for assembling the wear-resistant piece comprises a mounting base plate, wherein two mounting holes are formed in the outer side wall of the mounting base plate, and the air suction pipe and the electric connecting wire penetrate through the mounting holes of the mounting base plate respectively and are fixedly connected with the outer side of the suction cylinder.

A device for assembling wear plates, wherein the suction pipe is detachably connected with the suction cylinder.

Compared with the prior art, the utility model has the following advantages:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an overall block diagram of an apparatus for assembling wear plates according to an embodiment of the present utility model;

FIG. 2 is an exploded view of an apparatus for assembling wear plates according to an embodiment of the present utility model;

Fig. 3 is an overall block diagram of a suction assembly of a device for assembling wear plates according to an embodiment of the present utility model;

Fig. 4 is an overall block diagram of a suction assembly, wear plate, and fan of a device for assembling wear plates according to an embodiment of the present utility model.

Reference numerals: the suction assembly 1, the suction cylinder 2, the suction head 3, the driving assembly 4, the vacuum air pump 5, the driving motor 6, the electric connecting wire 7, the air suction pipe 8, the barometer 9, the mounting shell 10, the mounting cover plate 11, the mounting bottom plate 12, the annular anti-skid rubber ring 13, the air suction switch 14, the communicating pipe 15, the fan 16 and the wear pad 17.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1, 2 and 3, there is shown an apparatus for assembling wear plates 17 to the interior of a fan 16, the apparatus comprising: the device comprises a mounting shell 10 and a driving assembly 4 arranged in the mounting shell 10, wherein the driving assembly 4 is electrically connected with one suction assembly 1, and the mounting shell 10 consists of a mounting bottom plate 12 and a mounting cover plate 11.

The driving assembly 4 consists of a vacuum air pump 5 and a driving motor 6, wherein an air suction pipe 8 is arranged on one side of the vacuum air pump 5, and an electric connecting wire 7 is arranged on one side of the driving motor 6.

The suction assembly 1 consists of a suction tube 2 and a suction head 3 fixedly arranged on one side of the suction tube 2, the suction tube 2 is of a cylindrical structure with a cavity in the middle, the suction tube 8 is connected with the upper end of the suction tube 2, and the suction head 3 is arranged on one side far away from the suction tube 8.

The suction switch 14 arranged on the outer side wall of the suction assembly 1 is pressed to open a valve on one side of the driving motor 6, the driving motor 6 sucks vacuum at the moment, the vacuum air pump 5 sucks vacuum at the moment, suction force is generated on one side of the suction barrel 2, and the suction head 3 positioned on the other side of the suction barrel 2 sucks a wear plate 17 and places the wear plate 17 in the installation cavity of the fan 16.

In particular, the device is for fitting wear pad 17 to the inside of fan 16, comprising: a mounting housing 10 and a driving component 4 arranged in the mounting housing 10, wherein the driving component 4 is electrically connected with one suction component 1, and the mounting housing 10 consists of a mounting bottom plate 12 and a mounting cover plate 11; the driving assembly 4 consists of a vacuum air pump 5 and a driving motor 6, wherein an air suction pipe 8 is arranged on one side of the vacuum air pump 5, and an electric connecting wire 7 is arranged on one side of the driving motor 6; the suction assembly 1 comprises a suction tube 2 and a suction head 3 fixedly arranged on one side of the suction tube 2, the suction tube 2 is of a cylindrical structure with a cavity in the middle, the suction tube 8 is connected with the upper end of the suction tube 2, the suction head 3 is arranged on one side of the suction tube 8, after the suction head 3 on one side of the suction tube 2 is connected with a vacuum air pump 5, air in the cavity of the suction tube 2 is sucked, at the moment, one end of the suction head 3 generates suction force, suction on a wear pad 17 is facilitated, and the vacuum is sucked through the vacuum air pump 5 arranged in the installation shell 10, so that the suction head 3 on one side of the suction assembly 1 is connected with the vacuum air pump 5 to generate certain suction force, and the wear pad 17 is quickly sucked, so that the subsequent installation of the wear pad 17 is facilitated.

Further, press the setting in inhale the switch 14 that inhales on the subassembly 1 lateral wall is inhaled, so that the valve of driving motor 6 one side opens, this moment vacuum pump 5 inhale the vacuum, so that one side of inhaling the section of thick bamboo 2 produces suction, be located inhale the suction head 3 of section of thick bamboo 2 opposite side and inhale and place in the installation cavity of fan 16 one wear pad 17, in one embodiment, vacuum pump 5 communicates with the cavity of inhaling subassembly 1 through the breathing pipe 8 that one side set up, when vacuum pump 5 carries out the evacuation, the work begins to inhale the subassembly 1 this moment, inhale the suction head 3 that subassembly 1 set up and inhale the vacuum, and then inhale the vacuum pump 5 that is connected with vacuum pump 5 and inhale the tip 3 in this kind of setting mode, so that the suction head 3 that is connected with vacuum pump 5 and inhale subassembly 1 one side produces certain suction, inhale wear pad 17, at this moment the operator holds section of thick bamboo 2 and presses the switch 14 that inhales that is located the outside wall of inhaling the section of thick bamboo 2, with the outside edge of suction head 3 is aimed at wear pad 17, when vacuum pump 5 carries out the evacuation, suction pad 17 is by the tip by need to be satisfied to the fan 16 when the tip is inhaled in the big side of need not to install in the cavity, the manual work is just need to be in the step of setting up the cavity 17, the manual work is not to be placed in the cavity step is easy, the step is easy to be accomplished to the side step is easy to be in the side the suction tip 17.

Further, in an embodiment, the wear-resisting piece 17 is a small plastic disc, and is used for being placed in a mounting groove of the fan 16, so that the fan blade is prevented from being worn when rotating, the whole suction assembly 1 is composed of the suction tube 2 and the suction head 3 positioned at the lower end of the suction tube 2, the suction head 3 is a metal needle tube, a through hole of the metal needle tube is communicated with the suction tube 2, when an operator needs to suck the wear-resisting piece 17, only a suction button positioned on the outer side wall of the suction tube 2 needs to be pressed, at the moment, the suction assembly 1 electrically connected with the driving assembly 4 starts to suck vacuum, further, the lower wear-resisting piece 17 is conveniently sucked, and the wear-resisting piece 17 is placed in a cavity of the fan 16 for being attached and mounted, so that the whole mounting efficiency of the device for the wear-resisting piece 17 is improved, and the assembly time of the wear-resisting piece 17 is greatly reduced.

Referring to fig. 3, as shown in the drawing, an annular anti-slip rubber ring 13 is disposed on the outer side wall of the suction assembly 1.

Specifically, the lateral wall of the suction assembly 1 is provided with an annular anti-slip rubber ring 13, in an embodiment, the annular anti-slip rubber ring 13 is sleeved on the periphery of the suction drum 2 arranged on the suction assembly 1, when an operator sucks the wear plates 17, the operator needs to hold the suction drum 2 to suck the wear plates 17 one by one, and when the operator sucks, the operator needs to press a suction button positioned on one side of the suction drum 2, the friction force between the palm and the suction drum 2 is increased by additionally installing the annular anti-slip rubber ring 13, the reliability of manually operating the suction assembly 1 in sucking the wear plates 17 is increased, the operator can conveniently and rapidly assemble the wear plates on a fan, and the overall reliability of the wear plates 17 in the assembling process is further improved.

Referring to fig. 3, as shown in the drawing, an air suction switch 14 is further disposed on the outer side surface of the suction tube 2, and one end of the electrical connection wire 7 is electrically connected to the air suction switch 14.

Specifically, the lateral surface of the suction tube 2 is further provided with an air suction switch 14, one end of the electrical connection wire 7 is electrically connected with the air suction switch 14, in one embodiment, when an operator needs to suck the wear pad 17, only the air suction button located on the lateral wall of the suction tube 2 needs to be pressed, and at this time, the suction assembly 1 electrically connected with the driving assembly 4 starts to suck vacuum, so that the lower wear pad 17 is conveniently sucked, the overall installation efficiency of the device on the wear pad 17 is improved, and the time required for assembling the wear pad 17 by the device is greatly reduced.

Referring to fig. 3, as shown in the drawing, the suction head 3 is a metal needle tube with a hollow structure.

Specifically, the suction head 3 is a metal needle tube with a hollow structure, in an embodiment, because the volume of the wear pad 17 is relatively small, when the metal needle tube with the hollow structure is vacuumized, the air in the suction hole formed in one side of the suction head 3 is relatively concentrated in the suction process, the lower wear pad 17 is effectively sucked one by one, the occurrence probability of the condition that the wear pad 17 falls is greatly reduced in the suction operation process of an operator, the operator can quickly assemble the wear pad on a fan, and accordingly the integral assembly efficiency of the device to the wear pad 17 is improved.

Referring to fig. 3, as shown in the drawing, an air pressure adjusting valve is further disposed at one side of the vacuum air pump 5, and the air pressure adjusting valve is communicated with the air suction pipe 8.

Specifically, one side of vacuum air pump 5 still is provided with a pneumatic control valve, pneumatic control valve with breathing pipe 8 communicates, in an embodiment, and pneumatic control valve is used for controlling the speed of breathing in the vacuum of breathing pipe 8, and the whole actuation rate of suction head 3 that further control suction tube 2 one side set up, and when the operator is operating the in-process of absorbing subassembly 1 to wear plate 17, the accessible rotation pneumatic control valve adjusts the intensity of sucking in the vacuum of suction head 3 that absorbs subassembly 1 one side set up, the convenience operator is adjusting the size of breathing in to wear plate 17 in the in-process of absorbing one by one, and the convenience operator carries out the rapid Assembly wear plate to the fan, further improves the efficiency that the device assembled wear plate 17.

Referring to fig. 1, as shown in the drawing, a nut is disposed at the end of the air suction pipe 8, a communicating pipe 15 is disposed at the inner side of the installation housing, and an external thread is disposed on the outer wall of the communicating pipe 15; the screw cap is connected with the communicating pipe through threads.

Specifically, a nut is arranged at the tail end of the air suction pipe 8, a communicating pipe 15 is arranged at the inner side of the installation shell, and external threads are arranged on the outer wall of the communicating pipe 15; the screw cap is connected with the communicating pipe through threads, in one embodiment, the communicating pipe 15 is arranged on the inner side of the mounting base plate 12 and is connected with the air suction pipe 8, two mounting holes are formed in the outer side of the mounting base plate 12, the air inlet pipe penetrates through one of the mounting holes to be connected with the air suction pipe 8, external threads are formed on the outer side edge of the air suction pipe 8, the screw cap arranged at the tail end of the air suction pipe 8 is connected with the external threads on the periphery of the communicating pipe 15 through threads, in the vacuum suction pipe 8, the vacuum suction effect of the device is better, an operator can conveniently and rapidly assemble the wear pad for the fan, the probability of air leakage of the air suction pipe 8 is greatly reduced, and accordingly the reliability of the device for assembling the wear pad 17 is improved.

Referring to fig. 1 and 2, as shown in the drawing, a barometer 9 is disposed at one side of the vacuum pump 5, a dial of the barometer 9 is disposed toward one side of the mounting cover 11, and the barometer 9 is communicated with the communicating pipe 15.

Specifically, one side of vacuum air pump 5 is provided with a barometer 9, the dial plate orientation of barometer 9 one side setting of installation apron 11 just barometer 9 with communicating pipe 15 communicates, in an embodiment, barometer 9 communicates with communicating pipe 15, and communicating pipe 15 links up with intake pipe and communicating pipe 15 simultaneously again, after the intercommunication, barometer 9 carries out real-time display to the atmospheric pressure of current vacuum air pump 5, after the pneumatic adjusting valve is adjusted to the operator, the size of the atmospheric pressure value of current vacuum air pump 5 can be observed by naked eye this moment, this kind of setting mode, through additional dress barometer 9, make things convenient for the operator to look over the speed size of the output gas of current vacuum air pump 5 in real time, and then adjust the rate of admitting air of suction head 3 according to the condition of use, make things convenient for the operator to carry out quick assembly wear pad to the fan, in order to reduce wear pad 17 and absorb the probability that the process drops, further improve the efficiency of absorbing wear pad 17.

Referring to fig. 1 and 2, one end of the air suction pipe 8 is connected to the vacuum air pump 5, and the other end of the air suction pipe 8 is connected to the cavity of the suction cylinder 2.

Specifically, the one end of breathing pipe 8 with vacuum air pump 5 is linked together, the other end of breathing pipe 8 is connected the cavity of inhaling section of thick bamboo 2 is linked together, in an embodiment, breathing pipe 8 mainly used is to inhaling section of thick bamboo 2 and suction head 3 that subassembly 1 set up, so that suction is produced to one side of suction head 3, thereby conveniently absorb wear pad 17 one by one, owing to dismantle the connection between breathing pipe 8 and the suction pipe 2, prevent suction head 3 from blocking breathing pipe 8 and arousing vacuum air pump 5 and breaking, this kind sets up to detachable mode between breathing pipe 8 and the suction pipe 2, the efficiency that the operator maintained the device has been improved, the operator has increased the operator and has absorbed whole reliability to wear pad 17.

Referring to fig. 2, as shown in the drawing, two mounting holes are provided on the outer side wall of the mounting base plate 12, and the air suction pipe 8 and the electrical connection wire 7 respectively penetrate through the mounting holes of the mounting base plate 12 and are fixedly connected with the outer side of the suction tube 2.

Specifically, the lateral wall of mounting plate 12 is provided with two mounting holes, breathing pipe 8 and electric connection line 7 run through respectively in mounting plate 12's mounting hole, and with the outside of inhaling section of thick bamboo 2 carries out fixed connection, in an embodiment, mounting plate 12 is the rectangle structure that the centre was provided with the recess, the top in the recess of mounting plate 12 is covered to the installation apron 11, in order to assemble drive assembly 4 in inclosed recess as a whole, drive assembly 4 sets up an electric wire and a pipeline (electric connection line 7 and breathing pipe 8) run through respectively in mounting plate 12's lateral wall is provided with two mounting holes, carry out fixed connection with absorbing assembly 1, this kind of setting up the mode, the convenient operator assembles the device, only need disassemble four screws of installation apron 11, can maintain inside drive assembly 4, this kind of setting up the mode, improve the reliability that the device absorbs wear pad 17.

Referring to fig. 1 and 3, the suction pipe 8 is detachably connected to the suction tube 2 as shown.

Specifically, the suction pipe 8 with the suction pipe 2 is detachably connected, in an embodiment, the one end of the suction pipe 8 with the upper end of the suction pipe 2 is connected, the other end of the suction pipe 8 is connected with the air supply pipe of the vacuum air pump 5, the suction pipe 8 is mainly used for vacuumizing the suction pipe 2 and the suction head 3 arranged on the suction assembly 1, so that suction force is generated on one side of the suction head 3, the wear pad 17 is conveniently sucked one by one, the suction pipe 8 and the suction pipe 2 are detachably connected, the suction head 3 is prevented from blocking the suction pipe 8 in the sucking process to cause damage to the vacuum air pump 5, the efficiency of maintenance of the device by an operator is improved, and the integral reliability of sucking the wear pad 17 by the operator is improved.

An apparatus for assembling wear plates of the present utility model for assembling wear plates to an inside of a fan, the apparatus comprising: the device comprises an installation shell and a driving assembly arranged in the installation shell, wherein the driving assembly is electrically connected with a suction assembly, the driving assembly consists of a vacuum air pump and a driving motor, an air suction pipe is arranged on one side of the vacuum air pump, and an electric connecting wire is arranged on one side of the driving motor. The suction assembly consists of a suction tube and a suction head, the suction tube is of a cylindrical structure with a cavity in the middle, the suction tube is connected with the tail part of the suction tube, and one side of the suction head, which is far away from the suction tube, is provided; pressing the suction switch that sets up on the subassembly lateral wall absorbs to the valve of driving motor one side is opened, and driving motor inhales the vacuum this moment, and the suction head that is connected with suction tube one side produces the suction, and the suction head is to inside the fan of quick assembly after the wear pad absorbs, and assembly process is simple and swift, and wear pad is difficult for dropping at the in-process of absorbing, has improved the whole assembly efficiency of device. .

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A device for assembling wear plates, the device for assembling wear plates to the interior of a fan, the device comprising: the device comprises a mounting shell and a driving assembly arranged in the mounting shell, wherein the driving assembly is electrically connected with a suction assembly, and the mounting shell consists of a mounting bottom plate and a mounting cover plate;

The driving assembly consists of a vacuum air pump and a driving motor, wherein an air suction pipe is arranged on one side of the vacuum air pump, and an electric connecting wire is arranged on one side of the driving motor;

The suction assembly consists of a suction tube and a suction head fixedly arranged on one side of the suction tube, the suction tube is of a cylindrical structure with a cavity in the middle, the suction tube is connected with the upper end of the suction tube, and one side of the suction head, which is far away from the suction tube, is provided;

2. A device for assembling wear plates according to claim 1, wherein the outer side wall of the suction assembly is provided with an annular anti-slip rubber ring.

3. The device for assembling wear plates according to claim 1, wherein a suction head switch is further provided on an outer side surface of the suction tube, and one end of the electrical connection wire is electrically connected to the suction switch.

4. A device for assembling wear plates according to claim 1, wherein the suction head is a hollow structured metal needle tube.

5. A device for assembling wear plates according to claim 1, wherein a pneumatic pressure regulating valve is further provided on one side of the vacuum air pump, said pneumatic pressure regulating valve being in communication with the suction pipe.

6. The device for assembling wear plates according to claim 1, wherein a nut is provided at the end of the suction pipe, a communicating pipe is provided at the inner side of the installation housing, and an external thread is provided at the outer wall of the communicating pipe;

the screw cap is connected with the communicating pipe through threads.

7. The apparatus for assembling wear plates according to claim 6, wherein a barometer is provided at one side of the vacuum air pump, a dial of the barometer is provided toward one side of the installation cover plate, and the barometer communicates with the communication pipe.

8. A device for assembling wear plates according to claim 1, wherein one end of the suction pipe is communicated with the vacuum air pump, and the other end of the suction pipe is communicated with the cavity of the suction cylinder.

9. The device for assembling wear plates according to claim 1, wherein the outer side wall of the mounting base plate is provided with two mounting holes, and the air suction pipe and the electric connection line respectively penetrate through the mounting holes of the mounting base plate and are fixedly connected with the outer side of the suction cylinder.

10. A device for fitting wear plates according to claim 1, characterized in that the suction pipe is detachably connected to the suction cylinder.