DE102009036503A1 - Clamping device for rotary units in cleaning chamber or cleaning machine - Google Patents

Abstract

The invention relates to a device for cleaning industrial objects or workpieces of any kind, e.g. Engine blocks, machine elements, etc., which are treated by means of cleaning fluids and / or drying air, with rotary cleaning chambers, which are arranged in the cleaning chambers receiving end-side rotary assemblies and interconnecting rails and carriers connected to a frame, wherein the workpieces to be treated in the treatment chambers clamped in its operating position werng arranged on the frame of the rotating device at correspondingly shaped clamping points of the workpieces or the workpieces receiving baskets or boxes and hydraulically or pneumatically actuated by control devices clamping cylinder, bring the program controlled clamping plunger into engagement with the clamping points.

Description

The The invention relates to a clamping device according to the preamble of Claim 1.

Out DE 199 09 294 is known a roller system with radial tread and rollers thereon for rotatably supporting a rotating device which receives a treatment chamber for the surface treatment of industrial parts, in which a rotatably mounted with a roller system washing container is provided, which receives the parts to be cleaned and during treatment these parts performs a rotational movement. The washing container is driven and designed as a rotatable drum. In the area of the end faces, a radial tread is ever provided and both tappets rest on stationary, arranged on the treatment chamber wall, rotatably mounted rollers.

Furthermore, from the DE 42 20 927 a device for cleaning, rinsing and drying of industrial objects known in the cleaning device, flushing device, etc., connected in series one behind the other and the cleaning process is performed in bathrooms. Here, the objects to be cleaned are immersed by means of lifting devices from above into the respective baths. The containers are moved back and forth, swiveled or rotated to achieve an intensive cleaning. To insert and transfer or remove the objects to be cleaned in the various processing stations idle, ie that can not be rinsed or cleaned in the chambers.

such Cleaning systems have horizontally arranged and sealable Chamber openings for the objects to be cleaned on, through which a container, for. B. a wash box in the Device used and after the cleaning process through the same opening is taken out before the items in the next Device to be used. At the opening side These systems are provided roll console, on which a container set down and pushed into the chamber. A plant This type is for example for a horizontal feed formed, in which the objects on one side and moved out on the other side. The individual devices can be placed directly next to each other and to cleaning parts receiving containers by the individual Stations are pushed. The opening and closing the openings after each process step via Sliding doors or gate valves, whereby at the same time entrance opening and Output opening to be released. These are hydraulic, pneumatic or mechanical actuators provided, with the washing boxes via a conveyor belt or a roller conveyor can be transported. For exact positioning of each container are shifters in the area each opening gap provided between the chambers and the displacement is done by means of displacement cams.

at the rotational adjustment of the wheel assembly relative to the liquid container The workpieces must be together with the wheel assembly be twisted during the cleaning process so that in the most effective positions between sprayer and Workpieces can be worked. For this it is essential that the workpieces, z. B. engine blocks, or workpieces receiving baskets in any desired position accurate, secure and as quick and easy as possible can be, so the assignment between workpiece and rotating device on the one hand and between rotating device and Spray device on the other hand can be done without play. So far, this bracing of the workpieces with the help made of spring locks, which was quite time consuming did not allow for exactly defined definitions and thus often unwanted relative movements occurred are.

task The invention is in generic rotation units in cleaning chambers or cleaning machines with in the longitudinal direction running throughput of the objects to be cleaned such as also for lowering and raising in a direction vertical to the longitudinal axis Direction to suggest tensioning devices, with the help of which heavy workpieces in a cleaning container be set quickly and safely positioned with little effort can.

According to the Invention this with the features of the characterizing part of the claim 1 reached. Further embodiments of the invention are the subject the dependent claims.

A Turntable according to the invention is usually at least two rotating devices arranged one behind the other in the axial direction are. Each turning device has two turning wheels and one Turntable on one of the wheels on, in the longitudinal axis spaced apart and run on guide rollers. Within the rotary devices is a conveyor device, z. B. a roller conveyor, provided on which an engine block or equivalent Workpieces into or out of the turntable be guided. The roller conveyor is in conventional Way by means of chains, ropes, belts or the like. Driven. The two opposite turning wheels are through in the longitudinal direction arranged carrier and rail assemblies together connected to the turning wheels together with the engine block can be twisted in the longitudinal direction.

With the beams and rails are on flanges the tensioning devices attached to the engine block or workpieces can be brought into engagement, for. B. near the four corners. The clamping devices become hydraulically or pneumatically over automatically a docking device actuated - both at a axial conveyance of the workpiece as well when inserting the workpieces from above.

The Tensioning devices have actuating cylinder, the on command, extend the hydraulic cylinder rod. The cylinder is attached to a receiving plate. The cylinder rod is in one Guide body guided on the mounting plate is fixed. The cylinder rod actuates a tensioning die, which acts on a position on the workpiece, and the over Centering pin is centered. The docking unit consists of a Docking body and is in slots for attaching on the carrier rail or the framework arrangement the rotary unit is formed from a docking rod, a coupling part, a docking block, a block cylinder, with the docking rod is coupled and a docking plate that receives the block cylinder.

The Turning device is in the clamping position (0 ° position) turned. In the initial position, the tensioning die is withdrawn, the workpiece is brought into the receiving position, the Hydraulic pump is turned on and the hydraulic cylinder is with Pressure applied. The pump set docks the hydraulic cylinder the docking device via a valve control on and The docking cylinder receives pressure, so that the pressure in the clamping circuit is maintained during the cleaning process.

below the invention will be described in connection with the drawing with reference to embodiments explained. It shows:

1 and 2 a schematic side view and an end view of the rotary unit for the continuous operation,

3 and 4 a side view and end view of a corresponding schematic representation of a second embodiment of the invention for the diving operation,

5 in perspective view a detailed representation of the rotation unit in a view from one side,

6 the representation of the rotation unit in a view from the opposite side,

7 a side view of the illustration 5 .

8th a sectional view along the section line AA after 7 .

9 a second embodiment according to the invention for charging from above, with rotary feedthrough, in a side, partially open view,

10 an illustration of the drive device 9 .

11 a sectional view along the section line CC 9 .

12 a detailed view of the clamping device as a section D of 11 .

13 a perspective view of the docking device, and

14 a sectional view through the Andockklotz with coupling part and the valves and the spikes.

After the schematic representation of 1 and 2 is in a cleaning liquid receiving, closed container 1 a rotary wheel arrangement 2 provided, whose scope on three roles 3 is stored, which is a workpiece 4 , z. As an engine block, a basket with workpieces or the like. Receives, or on a transporting roller conveyor in the longitudinal direction 5 is moved. The definition of the workpiece 4 or the workpiece basket via clamping devices 6 . 7 which are arranged on opposite sides of the workpiece. support flanges 8th on the tank 1 or attached to the machine frame, take the rollers of the roller conveyor 5 on. With 9 are in the container 1 arranged and against the workpiece 4 directed spray devices shown schematically. In such an embodiment, the workpieces in the longitudinal axis LA of the rotating device 2 passed through in continuous operation.

In contrast to the schematically illustrated embodiment of the 1 and 2 is the machine after the 3 and 4 designed so that the charge of the cleaning tank 1 done with workpieces from above and that the workpieces 4 are introduced into the cleaning liquid receiving cleaning container and clamped with the rotating device. Here is at the lateral parts of the rotating device at one point a passage 10 provided over which the hydraulic or pneumatic lines led from the stationary to the rotating position and the clamping devices 7 be charged. The container 1 is here open and closed by means of lid D, so that for loading the use of the workpieces from above is possible and after the one put the container closed.

The 5 to 9 show different views of the rotating device that the workpiece 4 or the workpieces in the axial continuous operation receives, the workpiece holder via a roller conveyor 5 takes place and introduced the workpieces on one end face and brought out cleaned at the other end face or fed to a further treatment tank. One (or more) corresponding rotating devices connect to the illustrated cleaning device when z. B. the workpieces then dried and / or otherwise treated, for. B. to be dried. In this case, in this version, the transport of the workpieces and the transfer to the roller table of the subsequent turning device. For this purpose, the outer walls of the end faces of the containers receiving the rotary device are provided with doors or corresponding closures which are sealingly closable for loading and unloading of the workpieces.

The turning device itself consists of two rotating wheels arranged on the front sides 11 . 11 ' , One of the wheels is with a sprocket 12 provided by a drive motor 13 is set in rotation. The wheels 11 . 11 ' are by longitudinally extending struts or rods 14 as well as through side members 15 connected with each other; the latter take the roles 16 of the roller table 5 on that over a drive 17 (Belt, belt, rope drive or the like.) Are driven. The clamping devices 6 . 7 are preferably at the vertices of the workpiece, for. B. an engine block, or a workpieces receiving basket arranged on the two-sided longitudinal members and consist of a drive cylinder 21 , a recording plate 22 , an angle bracket 23 , a cylinder rod 24 , a guide part 25 , a tensioning stamp 26 that at a tension point 27 is fixed to the workpiece, and a centering pin 28 which is brought into engagement with the workpiece in its centering position. The clamping devices stand with the docking device 19 and among each other via hydraulic or pneumatic lines 20 in conjunction with the docking device or be switched by manual operation while the hydraulic or pneumatic cylinder is applied in retracted or retracted punch and hydraulic pump switched on with pressure, so that the punch extends and placed in a snug fit with the clamping point and tensioned.

The docking device acting on the tensioning device 19 consists of a docking plate 29 , a block cylinder picked up by her 30 , a docking jack 31 , a docking rod 32 with guide pins 32 . 32 ' , a coupling part 33 , a docking block 34 , an docking bar 35 and thorns 36 , The docking device 19 is connected to the individual clamping devices on the working fluid, namely a hydraulic fluid or a pneumatic fluid leading connection line in conjunction. The docking device operates as follows: If the command to operate the tensioning device is given by program control, the docking device is activated, the tensioning circuit is acted upon and the hydraulic cylinder of the tensioning device extended and brought into engagement with the workpiece or the workpieces receiving basket. The pump set has valves 38 . 39 on. The valve 38 acts on the hydraulic cylinder of the docking device with pressure when the rotating device assumes the clamping position. By pressure sensors on the valve 39 clamping pressure is built up. When the clamping pressure is reached, the valve closes 39 and valve 38 deactivates the docking device again. With the help of a check valve, the pressure in the clamping circuit is maintained, so that the cleaning process can be performed.

1, 1 ', 1' '

cleaning tank

2

rotator

3

Leadership system

4

workpiece or basket

5

roller conveyor

6 7

jigs

8th

beam flange for guide rollers

9

sprayers

10

Rotary union

10 '

Fixed part of 10

10 ''

Turned part of 10

11 11 '

rotating wheels

12

sprocket

13

drive for sprocket

14

two rods

16

Rolls of 5

15

Side member for receiving the rollers 5

17

drive for roller conveyor

18

jig

19

docking

20

Drive turntable

21

drive cylinder

22

mounting plate

23

bracket

24

cylinder rod

25

guide part

26

clamping stamps

27

clamping point on the workpiece

28

centering

29

docking plate

30

block cylinders

31

Andockbock

32

Andockstange

33

coupling part

34

Andockklotz

35

docking bar

36

Bolt / mandrel

37

fluid line to the clamping device

38 39

valves

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 19909294 [0002]
• - DE 4220927 [0003]

Claims (8)

Device for cleaning industrial objects or workpieces of any kind, for. As engine blocks, machine elements, etc., which are treated by means of cleaning liquids and / or drying air, with rotary cleaning chambers, which are arranged in the cleaning chambers receiving end-side rotary assemblies and interconnecting rails and carriers connected to a frame, wherein the workpieces to be treated in the treatment chambers are clamped in their operating position, characterized in that the clamping device are arranged on the frame of the rotating device at correspondingly shaped clamping points of the workpieces or the workpieces receiving baskets or boxes, and control devices via clamping devices hydraulically or pneumatically actuated, the programmable tensioning in Take action with the clamping points. Device according to claim 1, characterized in that the control device is a docking device. Device according to claim 1, characterized in that that the control device is a rotary feedthrough. Device according to one of claims 1 or 2, characterized in that the docking device on the rotating device is attached and connected via a fluid connection line is coupled to the tensioning devices or their tensioning cylinders, the docking device operating in continuous operation Cleaning machines is designed. Device according to one of claims 1 or 3, characterized in that the rotary feedthrough coaxial is attached to the axis of rotation of the rotating device and over Fluid lines with the clamping devices or their clamping cylinders coupled, wherein the rotary feedthrough for the insertion operation is designed in the container from above. Device according to Claim 1 or 2, characterized that the docking device has a docking body, a docking rod, a coupling part, a docking block, one coupled to the docking rod Block cylinder and a block cylinder receiving docking plate having. Device according to claim 1 or 3, characterized in that the tensioning device consists of a drive cylinder, a receiving plate, an angle bracket, a cylinder rod, a guide part, a tensioning die and a centering pin exists. Apparatus according to claim 1 or any of the claims 2-7, characterized in that docking device and Rotary feedthrough connected to each other by a fluid line are connected to a pump set.