JP2016019948A - Wagon washer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wagon washer which has no risk that adhesions are scattered to the surroundings when carrying a wagon into a washing room, can surely, efficiently and thoroughly wash the inside and outside of the wagon as a whole, and is sufficed with a small installation space, in the wagon washer which washes the meat wagon or the like.SOLUTION: A wagon washer comprises: a washing chamber 1 having a carry-in/out part 10 of a wagon W having casters C1 to C4 at a bottom of a metal-made vessel V, and an automatic opening/closing door 11 at a high place higher than the carry-in/out part 10; a lift 2 which lifts the wagon W between a front position of the automatic opening/closing door 11 and the carry-in/out part 10; a wagon holding frame 3 which holds the wagon W in the washing chamber 1; the turn drive means M of the wagon holding frame 3; and a washing nozzle 4A which sprays a washing liquid L1 toward the wagon W which vertically turns by being held to the wagon holding frame 3 from a plurality of points in the surroundings.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a wagon washing machine for washing a hand-held wagon used for conveying foods, seafood, intermediate processed products, and the like, including meat wagons that carry meat raw materials and processed meat products.

  In general, in meat processing plants, hand-held meat wagons are used for transporting meat ingredients and processed meat products. This meat wagon has a square box-like stainless steel container bottom that opens upward, and includes a front and rear caster and a middle two casters, and a handle is attached to the upper rear surface of the container. In addition, a locking strip extending in the front-rear direction is provided at the lower part of the left and right side surfaces. After use, the meat wagon needs to be cleaned to remove dirt adhering to the inside and outside for hygiene purposes, but generally has a weight of about 40 kg. Because of the labor required, automatic cleaning with a wagon washer is often used.

  Conventionally, as a wagon washer, a wagon reversing device has been installed in front of the washing chamber, and the wagon is placed upside down by placing the wagon on the free end side of the jumping plate of the reversing device and raising the jumping plate. The mainstream is to wash the inside and outside of the wagon with a cleaning liquid injected into a cleaning chamber and sprayed from a cleaning nozzle disposed in the cleaning chamber (for example, Non-Patent Documents 1 to 3).

Internet web meat wagon washing machine (Search date: April 25, 2014) http://www.tpl.ecnet.jp/japanese/machine/mw.htm Internet web meat wagon washing machine (Search date: April 25, 2014) http://www.hanaki-eng.co.jp/kakou_m/08-02.htm Internet web meat wagon washing machine (Search date: May 1, 2014) http://cgi3.asahigien-kk.com/machine/machine09

  However, in the conventional wagon washer, when the wagon is turned over and put into the cleaning chamber, deposits often scatter and contaminate the surroundings, and the wagon in a fixed position from the fixed position in the cleaning chamber Since the cleaning water is injected, there is a problem that an insufficiently cleaned portion is likely to remain depending on the portion of the wagon, and that a large installation space is required for the wagon reversing device for moving the large-size jumper upside down.

  In view of the above-mentioned circumstances, the present invention is a wagon washing machine for washing various hand-held wagons such as meat wagons. The purpose is to provide a product that can be carried in, there is no concern that the deposits will scatter to the surroundings during the carry-in, and it can be efficiently and efficiently cleaned without leaving the entire inside and outside of the wagon, and the installation space can be reduced. It is said.

  If means for achieving the above object is shown with reference numerals in the drawings, the wagon washing machine according to the invention of claim 1 is a wagon having casters C1 to C4 at the bottom of a metal container V which is open upward. W loading / unloading section 10, cleaning chamber 1 provided with an automatic opening / closing door 11 at a higher position than the loading / unloading section 10, elevating device 2 for moving the wagon W up and down between the front position of the automatic opening / closing door 11 and the loading / unloading section 10. , A wagon holding frame 3 for holding the wagon W in the cleaning chamber 1, a turning drive means (reversible motor M) for vertically turning the wagon holding frame 3, and a wagon W for turning vertically held by the wagon holding frame 3. The cleaning nozzle 4A for injecting the cleaning liquid L1 from a plurality of surrounding locations is provided.

  According to a second aspect of the present invention, in the wagon washing machine of the first aspect, the wagon holding frame 3 has annular portions (outer annular portions) 32A and 32B on the front and rear sides, and the annular portions 32A and 32B are provided around the annular portions 32A and 32B. It is assumed that it is held in the cleaning chamber 1 so as to be capable of vertical swiveling through guide rollers 5 that are rolled in a plurality of directions.

  According to a third aspect of the present invention, in the wagon washer of the second aspect, the support shaft 6A provided at the center of the rear portion of the wagon holding frame 3 and the turning drive shaft 6B on the turning drive means side are connected via the universal joint 61. To be consolidated.

  According to a fourth aspect of the present invention, in the wagon washing machine according to any one of the first to third aspects, the wagon holding frame 3 includes a support rail 7 on which the casters C1 and C2 of the wagon W are placed, a side surface portion of the wagon W and an upper side. A plurality of guide bars 34 </ b> A to 34 </ b> C that are close to or abut against the edge are arranged along the front-rear direction.

  According to a fifth aspect of the present invention, in the wagon washer according to any one of the first to third aspects, the rotational drive means comprises a reversible motor M, and the wagon holding frame 3 is rotated 180 to 360 ° in one direction to the original position. It is comprised so that reverse rotation may be carried out.

  Next, effects of the present invention will be described with reference numerals in the drawings. First, according to the wagon washer according to the first aspect of the present invention, when the used wagon W is carried into the loading / unloading section 10 at the lower front part of the washing chamber 1, the lifting device 2 is operated to wash the wagon W. While the automatic opening / closing door 11 is lifted up to the front position of the automatic opening / closing door 11 of the chamber 1 and the automatic opening / closing door 11 is opened, the wagon W can be carried into the cleaning chamber 1 as it is and held by the wagon holding frame 3. Accordingly, there is no scattering of deposits due to the reversal operation as in the prior art, and it is possible to prevent the surroundings from becoming dirty with deposits and becoming unsanitary, and a cleaning operation for removing the scattered deposits is also unnecessary. Moreover, in the cleaning chamber 1, the wagon holding frame 3 holding the wagon W is swung vertically, and the wagon W receives the spray of the cleaning liquid L1 from the plurality of surrounding cleaning nozzles 4A while changing the direction by the swiveling. The entire inside and outside of the wagon W is efficiently and reliably cleaned in a short time. On the other hand, this wagon washer eliminates the need for a conventional large-scale wagon reversing device, which has the advantage that the installation space can be greatly reduced.

  According to the invention of claim 2, the wagon holding frame 3 is held by the front and rear annular portions (outer annular portions) 32A, 32B so as to be capable of vertical turning via the guide rollers 5 at a plurality of circumferential directions, Since the weight of the wagon holding frame 3 and the wagon W is supported on the washing chamber 1 side via the guide roller 5 and the weight is not loaded on the swivel driving means side, the wagon holding frame 3 can be smoothly moved vertically with a low driving force. Can be swiveled.

  According to the invention of claim 3, the support shaft 6 </ b> A at the center of the rear portion of the wagon holding frame 3 in which the front and rear portions are held by the guide rollers 5 at a plurality of circumferential directions so as to be vertically rotatable, Since the turning drive shaft 6B is connected via the universal joint 61, the turning drive force by the turning drive means is not affected by the turning drive means even if a slight runout occurs in turning on the wagon holding frame 3 side. Is transmitted to.

  According to the invention of claim 4, the wagon holding frame 3 includes the support rail 7 on which the casters C1 and C2 of the wagon W are mounted, and a plurality of guides that are close to or abut against the side surface portion and the upper edge portion of the wagon W. Since the bars 34 </ b> A to 34 </ b> C are arranged along the front-rear direction, the wagon W can be pivoted integrally with the wagon holding frame 3 simply by pushing the wagon W inside the wagon holding frame 3. Is done.

  According to the fifth aspect of the present invention, the rotational driving means is composed of the reversible motor M, and the wagon holding frame 3 is configured to turn backward to the original position after turning 180 to 360 ° in one direction. The entire surface of the wagon can be reliably cleaned, and positioning stoppage of the wagon holding frame 3 for pulling out the wagon W after cleaning as an original posture can be set easily and accurately.

It is a perspective view which shows the whole external appearance of the wagon washing machine which concerns on 1st embodiment of this invention. It is a longitudinal front view which shows the washing | cleaning chamber inside of the same wagon washing machine. It is a vertical side view of the principal part of the wagon washing machine. The wagon holding frame of the same wagon washing machine is shown, (a) is a partially broken side view, (b) is a cross-sectional view taken along line XX of (a). It is a flow-path system figure of the same wagon washing machine. It is a schematic plan view of the wagon washing machine which concerns on 2nd embodiment of this invention.

  Embodiments of a wagon washer according to the present invention will be specifically described below with reference to the drawings.

  As shown in FIG. 1, the wagon washer of the first embodiment automatically opens and closes at a higher position than the carry-in / out unit 10 on the front surface of the washing chamber 1 with the front lower portion of the washing chamber 1 serving as the carry-in / out unit 10 of the wagon W. The entrance / exit 1a fitted with the door 11 is configured, and the lifting / lowering device 2 is disposed in the carry-in / out section 10. The automatic opening / closing door 11 is moved up and down along the gate-shaped lifting guide 12 via the air cylinder S1, and the doorway 1a is opened by the lift.

  In addition, a reversible motor M for rotational driving is installed on the cleaning chamber 1, and a draft portion 13 protrudes upward on the front side, and an exhaust fan F is interposed from the draft portion 13. The part 13a protrudes rearward. Further, in the lower right lower part of the cleaning chamber 1, a processing liquid tank T, which is divided into a cleaning liquid tank T1 and a rinsing liquid tank T2, each having a lid, is disposed, and a control panel 18 is disposed on the left outer side. ing. The wagon W is a meat wagon having a general specification, and a caster C1 having two wheels at the front and rear and two wheels on the left and right at the middle is formed at the bottom of a stainless steel container V having a square box shape opened upward. To C4 (see FIGS. 2 and 3), a handle H is provided on the rear upper part of the container V, and a locking strip E in the front-rear direction is provided on the lower part of the left and right side surfaces.

  The lifting device 2 includes a lifting frame 21 that moves up and down along a portal-shaped lifting guide 20 via an air cylinder S2, and a wagon pedestal 22 that protrudes forward is integrally formed at the lower end of the lifting frame 21. ing. The wagon pedestal 22 has side plate portions 22b and 22b erected on the left and right sides of a horizontal receiving plate portion 22a, and is arranged in parallel in the front-rear direction at the center portion in the left-right direction of the receiving plate portion 22a. Two caster guiding strips 23 and 23 are provided projecting from each other on the front end side. Then, on the upper surface of the receiving plate portion 22a, concave portions 24 that are recessed in an arc shape are formed at one place on each of the left and right sides and at two places before and after the caster guide strips 23, 23 as shown in FIG. When the wagon W is carried onto the receiving plate portion 22a, the casters C1 to C4 are fitted into the recessed portions 24, so that the wagon W is held in a fixed position. . In addition, an inclined plate 10 a for causing the wagon W to ride on the wagon cradle 22 from the floor surface is disposed in front of the carry-in / out section 10.

  As shown in FIG. 2 and FIG. 3, a wagon holding frame 3 constructed in a substantially horizontal cylindrical shape with a stainless steel pipe material is arranged in the cleaning chamber 1. The cleaning nozzles 4A are arranged at two upper and lower portions on both the left and right sides of the periphery, and the rinsing nozzles 4B are arranged at two upper and lower portions on the right side. As shown in FIG. 2, the bottom portion 15 of the cleaning chamber 1 is lowered at the center side, and a reflux pipe 16 is connected between the lowest portion and the treatment liquid tank T via a strainer 17. Further, as shown in FIG. 3, two cleaning pumps P1, P1 and one rinsing pump P2 are installed below the cleaning chamber 1. As shown in FIG. 3, a plurality (five in the figure) of the cleaning nozzles 4A are arranged at regular intervals in the upper and lower horizontal pipe portions 40a and 40b of the cleaning liquid supply pipe 40, respectively. Although not shown in FIG. 3, the rinsing nozzle 4B is similarly arranged. Further, two cleaning pumps P1 and P2 and one rinsing pump P2 are installed below the cleaning chamber 1.

  As shown in FIGS. 4 (A) and 4 (B), the wagon holding frame 3 has a plurality of locations (eight locations in the figure) in which inner ring portions 30A, 30B having the same diameter and spaced apart from each other are equally arranged in the circumferential direction. ) Through the connecting bar 31 along the front-rear direction, the outer ring portions 32A, 32B having large diameters are concentrically arranged with respect to the inner ring portions 30A, 30B, and the inner and outer annular portions 30A, 30A, 30B are arranged concentrically. 32A and 30B, 32B are connected to each other at a plurality of locations (eight locations in the figure) equally spaced in the circumferential direction via a short connection pipe 33 along the radial direction, and further to the rear inner annular portion 30B and the rear thereof. The rear end annular portion 30C having the same diameter arranged at a short interval is connected through a short connecting pipe 36 along the front-rear direction at a plurality of locations (10 locations in the figure) that are equally arranged in the circumferential direction. A cylindrical pipe structure is formed.

  Between the front and rear inner ring portions 30A, 30B, a longitudinally upward open U-shaped support rail 7 located at the center lower portion and three guide bars 34A to 34C on the left and right sides along the front-rear direction. It is erected. These guide bars 34 </ b> A to 34 </ b> C are bent at the front and rear portions so that the middle main length portion of the guide bars 34 </ b> A to 34 </ b> C approaches the center side of the wagon holding frame 3, and the rear side of the uppermost guide bar 34 </ b> A A stopper 8A is formed by bending downward. The uppermost guide bar 34A and the next guide bar 34B are arranged close to each other, and the lowermost guide bar 34C is arranged at a position near the lower portion of the wagon holding frame 3. On the other hand, the support rail 7 has front and rear ends fixed to the left and right support bars 35 erected inside the arcs of the inner ring portions 30A and 30B, and protrudes upward toward the rear portion. The stopper 8B is fixed. Further, a center shaft on the rear side of the wagon holding frame 3 has a support shaft 6A along the front-rear direction, a boss portion 38 for holding the support shaft 6A, a rear inner annular portion 30B, and a rear end. The annular portion 30C is connected and integrated through a plurality of (eight in the figure) spoke bars 37 arranged radially.

  As shown in FIGS. 2 and 3, the wagon holding frame 3 includes an upper portion provided on each of the mounting frames 14 disposed on the front and rear sides of the front and rear outer ring portions 32 </ b> A and 32 </ b> B in the cleaning chamber 1. By rotating the guide rollers 5 on both the left and right sides, the shaft 6A is held in a freely pivotable manner, and the support shaft 6A is universally connected to the swing drive shaft 6B attached to the wall portion of the cleaning chamber 1 through a bearing 62. They are connected via a joint 61. The turning drive shaft 6B is configured to be rotationally driven via an endless chain 64 wound around a sprocket 63 provided on the outer end side by the operation of a reversible motor M (see FIG. 1). .

  At the lower end of the entrance / exit 1a fitted with the automatic opening / closing door 11 of the cleaning chamber 1, a step 1b having the same shape as the rear side of the receiving plate portion 22a of the wagon pedestal 22 of the lifting device 2 is stretched inward. The front end of the support rail 7 of the wagon holding frame 3 in the stop posture faces the same height close to the center position of the step 1b. In FIG. 3, the illustration of the plurality of connecting bars 31 of the wagon holding frame 3 other than the vertical position is omitted so that the holding posture of the wagon W in the wagon holding frame 3 can be easily understood.

  As shown in the flow path system diagram of FIG. 5, in the cleaning liquid tank T1 of the processing liquid tank T, the cleaning liquid L1 is adjusted by injecting water Wa and a predetermined amount of detergent So, and the rinsing liquid tank T2 is rinsed (usually water). ) L2 is injected, and the cleaning liquid L1 and the rinsing liquid L2 are heated to a predetermined temperature by introducing the raw steam HS. Then, the cleaning liquid L1 is fed into the cleaning chamber 1 by the cleaning pumps P1 and P1, ejected from each cleaning nozzle 4A, and then the solid matter is removed from the bottom of the cleaning chamber 1 through the strainer 17. In order to avoid the accumulation of dirt, new liquid is added regularly or continuously, and the excess overflows and is discharged to the drainage channel D1. The Further, after the cleaning with the cleaning liquid L1 is completed, the rinsing liquid L2 is fed into the cleaning chamber 1 by the operation of the rinsing pump P2, injected from each rinsing nozzle 4B, and then passed through the strainer 17 from the bottom of the cleaning chamber 1. However, it is discharged to the drainage channel D2 through the drainage pipe that joins the overflow pipeline via the channel switching valve 19 as a disposable.

  In order to wash the used wagon W by the wagon washing machine having the above-described configuration, first, the wagon W is carried onto the wagon cradle 22 of the lifting device. At the time of loading, the wagon W is positioned in the left-right direction by causing the front and rear casters C1, C2 to enter between the caster guide strips 23, 23 of the wagon cradle 22, and then the virtual line in FIG. As shown in the figure, all casters C1 to C4 are fitted in the respective recessed portions 24 of the wagon cradle 22 so that they are positioned in the front-rear direction and are not stably moved forward and backward on the wagon cradle 22. Kept in a state. Then, the air cylinder S2 is contracted by a switch operation or an automatic operation based on detection of a wagon by a sensor, and the wagon cradle 22 on which the wagon W is placed rises. Accordingly, the air cylinder S1 contracts to automatically open and close the door. 11 also rises and the entrance / exit 1a of the cleaning chamber 1 is opened. The wagon cradle 22 is set to have the same height as the step 1b of the entrance / exit 1a at its upper limit position.

  Next, when the wagon W lifted by the lifting device is directly pushed into the cleaning chamber 1 from the entrance / exit 1a, as shown in FIG. 2, the support rail 7 of the wagon holding frame 3 in which the front and rear casters C1, C2 are stopped is provided. The upper left and right corners of the container V are sandwiched between the guide bars 34A and 34B of the wagon holding frame 3, and the lower side of the container V is also sandwiched between the left and right guide bars 34C and 34C. Then, it enters the inside of the wagon holding frame 3 in a stable posture without inclination. As shown in FIG. 3, the upper edge of the front end of the container V abuts against the stopper 8A of the left and right guide bars 34A, 34A, and at the same time, the front caster C1 abuts against the stopper 8B of the support rail 7, thereby W is held at a fixed position inside the wagon holding frame 3.

  Thus, when the wagon W is carried into the cleaning chamber 1, the automatic opening / closing door 11 is lowered by the switch operation or the automatic operation based on the detection of the wagon in the wagon holding frame 3 by the sensor to close the entrance / exit 1a of the cleaning chamber 1, Next, the cleaning pumps P1 and P2 are operated to inject the cleaning liquid L1 from the cleaning nozzles 4A around the wagon holding frame 3, and the wagon holding frame 3 is swung vertically by the operation of the reversible motor M during the jetting. In the process, the inside and outside of the wagon W are thoroughly washed. After the cleaning is completed, the rinsing pump P2 is operated and the rinsing liquid L2 is jetted from the rinsing nozzle 4B while the longitudinal rotation of the wagon holding frame 3 is continued, and the inside and outside of the wagon W are rinsed. After the end of the rinsing, the wagon holding frame 3 stops in the original posture with the support rail 7 down, and the exhaust fan F is activated to exhaust the high-humidity warm air in the cleaning chamber 1.

  Next, since the automatic opening / closing door 11 is raised by the contraction operation of the air cylinder S1 and the entrance / exit 1a is opened, the washed wagon W is pulled out from the wagon holding frame 3 and the wagon cradle 22 at the raised position of the elevating device 2 is pulled out. Put it on top. Then, the air cylinder S2 is extended by the switch operation or the automatic operation based on the detection of the wagon by the sensor, and the wagon cradle 22 with the wagon W is lowered to the loading / unloading unit 10. Just carry it out.

  The operation and stop of the washing pumps P1, P2, the rinsing pump P2, the reversible motor M, the exhaust fan F, etc., and the operation of the flow path switching valve 19 are performed by automatic control based on a washing program inputted in advance to the control panel 18. The Usually, the cleaning time with the cleaning liquid L1 is about 1 to 2 minutes, the rinsing time with the rinsing liquid L2 is about several tens of seconds, and the time required for the wagon W to be carried in and out is about several minutes.

  The vertical swiveling of the wagon holding frame 3 during washing and rinsing may be continuous rotation in one direction, but after the washing and rinsing is completed, the wagon holding frame 3 needs to be accurately positioned and stopped in the original posture. It is advantageous in terms of the stopping mechanism that a repetitive turning system in which turning in one direction and then turning back in the opposite direction is performed. The swivel angle in this repetitive swivel is preferably in the range of 180 to 360 °, that is, in the range of 1/2 to 1 rotation, in order to sufficiently clean the entire inside and outside of the wagon W. Usually, as indicated by the arrows in FIG. 270 ° (3/4 rotation).

  According to such a wagon washer, since the wagon W can be carried into the cleaning chamber 1 without being inverted, the adhering matter is not scattered due to the reversal operation as in the prior art, and the surroundings are contaminated with the adhering matter. It is possible to prevent hygiene in advance, and it is not necessary to perform a cleaning operation for removing scattered deposits. In addition, the wagon W is swung in the cleaning chamber 1 from the surrounding cleaning nozzles 4A while turning in a vertical direction. Therefore, the entire inside and outside of the wagon W is efficiently and reliably cleaned in a short time. Further, in the cleaning by such a vertical swiveling of the wagon W, it is not necessary to provide the cleaning nozzle 4A immediately below the wagon W, and therefore, there is an advantage that the cleaning nozzle 4A can be prevented from being clogged by the fallen deposits from the wagon W. is there. On the other hand, since this conventional wagon washer does not require a conventional large-scale wagon reversing device, the installation space can be greatly reduced.

  In the above embodiment, since the wagon holding frame 3 is held by the front and rear outer ring portions 32A and 32B through the guide rollers 5 at a plurality of positions in the circumferential direction, the wagon holding frame 3 and the wagon can be rotated. The weight of W is supported on the washing chamber 1 side, the weight is not loaded on the swivel drive shaft 6B, and the wagon holding frame 3 is smoothly swung vertically even if a reversible motor M having a low power is used. In addition, since the support shaft 6A of the wagon holding frame 3 and the turning drive shaft 6B are connected via the universal joint 61, even if a slight runout occurs in the turning on the wagon holding frame 3 side, there is no problem. There is an advantage that the turning driving force by the reversible motor M is transmitted to the wagon holding frame 3.

  Further, the wagon holding frame 3 of the above embodiment includes a support rail 7 on which the casters C1 and C2 of the wagon W are placed, and a plurality of guide bars 34A to 34A that are close to or abut against the side surface and the upper edge of the wagon W. 34C is arranged along the front-rear direction, and can be pivotably held by simply pushing the wagon W inside, so that there is no need for a separate clamping mechanism for fixing the wagon W, and structurally There is an advantage that it can be manufactured simply and inexpensively.

  In the wagon washer of the second embodiment shown in FIG. 6, the internal structure and incidental equipment of the cleaning chamber 1 are the same as those of the first embodiment, but the left and right are extended to the carry-in / out section 10 provided with the lifting device 2. A pedestal 91 is provided, and a slide base 9 that moves left and right on the pedestal 91 is mounted. An inclined plate 10 a is disposed in front of the left and right sides of the pedestal 91. Then, the slide table 9 is set to a size such that the remaining half portion projects to the left and right sides in a state where the half portion is located at the carry-in / out portion 10.

  In the wagon washer of the second embodiment, while one wagon W is being cleaned in the cleaning chamber 1, the wagon W used for the next cleaning process is removed from the loading / unloading portion 10 of the slide base 9. When the wagon W cleaned from the cleaning chamber 1 is lowered by the lifting device 2 and placed on the half of the slide table 9 located in the loading / unloading unit 10, the slide table 9 is The wagon W that moves and waits is brought into the loading / unloading unit 10, the wagon W is lifted by the lifting device 2 and sent to the cleaning chamber 1, and is taken sideways along with the previous movement of the slide table 9 during the cleaning process. The washed wagons W can be carried out, and the next wagons W can be carried on the slide table 9 after being carried out, and the wagons W can be continuously carried in and out by a standby alternation method. Therefore, according to the wagon washer of the second embodiment, there is an advantage that the cycle time of the cleaning process can be further shortened.

  The wagon washing machine of the present invention is not limited to the meat wagon exemplified in the above embodiment, but can be applied to various hand-held wagons used for transporting foods, seafood, and intermediate processed products thereof. Depending on the type of the wagon, the shape of the container V may differ, or there may be three casters or two front and rear wheels. Depending on the difference, the structure of the wagon receiving frame 22 of the lifting device 2 and the wagon holding frame. The structure for positioning the wagon within 3 may be set as appropriate. Also, the wagon holding frame 3 supports a plurality of guide bars that are close to or in contact with at least the side surface and the upper edge of the wagon W and a caster of the wagon W in order to hold the wagon W in a fixed posture. In addition to the front limit stopper, in addition to the front limit stopper, a lever is provided for the purpose of preventing the wagon W from moving backward. You may attach the stopper for backlash prevention which operate | moves by a system, an air cylinder system, etc.

  In addition, in the present invention, the internal structure of the cleaning chamber 1, the opening / closing mechanism of the automatic door 11, the lifting mechanism of the lifting device 2, the vertical turning mechanism of the wagon holding frame 3, the arrangement configuration of the cleaning nozzle 4A and the rinsing nozzle 4B, etc. Various design changes can be made in addition to the embodiment. For example, the wagon W may be brought into and out of the cleaning chamber 1 by an automatic operation using an air cylinder or the like without using a manual operation. Further, the opening / closing operation of the automatic opening / closing door 11 and the lifting / lowering operation of the wagon cradle 22 of the lifting / lowering device 2 can be linked.

DESCRIPTION OF SYMBOLS 1 Cleaning room 1a Entrance / exit 10 Carry-in / out part 11 Automatic opening / closing door 2 Lifting device 3 Wagon holding frame 32A, 32B Outer ring part (ring part)
34A to 34C Guide bar 4A Cleaning nozzle 5 Guide roller 6A Support shaft 6B Rotation drive shaft 61 Universal joint 7 Support rail C1 to C4 Caster L1 Cleaning liquid M Reversible motor (swivel drive means)
V metal container W wagon

Claims (5)

  A loading / unloading portion of a wagon having a caster at the bottom of an upper open type metal container, a cleaning chamber having an automatic opening / closing door at a higher position than the loading / unloading portion, and a position between the front position of the automatic opening / closing door and the loading / unloading portion. Lifting device for raising and lowering the wagon, wagon holding frame for holding the wagon in the cleaning chamber, turning driving means for turning the wagon holding frame in the vertical direction, and a plurality of surrounding places toward the wagon that is held by the wagon holding frame and turns vertically A wagon washer comprising a washing nozzle for injecting a washing liquid from the nozzle.   The said wagon holding frame has an annular part in the front-back part, and is hold | maintained so that vertical rotation is possible in the said washing chamber via the guide roller which carries out rolling contact of each annular part at the circumferential direction several places. Wagon washing machine.   The wagon washing machine according to claim 2, wherein a support shaft provided at a central portion on the rear side of the wagon holding frame and a turning drive shaft on the turning drive means side are connected via a universal joint.   The wagon holding frame includes a support rail portion on which a wagon caster is mounted, and a plurality of guide bars that are close to or in contact with a side surface portion and an upper edge portion of the wagon along the front-rear direction. The wagon washing machine according to any one of claims 1 to 3.   The wagon cleaning according to any one of claims 1 to 4, wherein the rotation driving means is constituted by a reversible motor, and the wagon holding frame is configured to rotate backward to the original position after turning 180-360 ° in one direction. Machine.

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