CN218795435U - Heat insulation material raw material mixing machine - Google Patents

Abstract

The utility model discloses a heat-insulating material raw material mixing machine, which comprises a supporting table, a supporting arm, a material barrel and a discharge valve, wherein the bottom end of the supporting arm is connected with the top end of the supporting table, the left end and the right end of the material barrel are respectively and rotatably installed on the outer side wall of the supporting arm, the discharge valve is installed at the right end of the supporting arm, the right end of the material barrel is rotatably connected with the left end of the discharge valve, and the material barrel is communicated with the inside of the discharge valve; the material barrel conveying device is characterized by further comprising a supporting device, a driving device, a feeding sealing door, a stirring paddle, a first motor and a plurality of groups of stirring blades, wherein the driving device is arranged on the supporting arm, the driving device drives the material barrel to rotate, the middle of the supporting table is rotatably arranged on the supporting device, the supporting device is used for swinging the supporting table left and right, a feeding port is formed in the outer side wall of the material barrel, and the feeding sealing door is communicated with the feeding port. The utility model provides the high variety and the mixing efficiency that mix the machine and mix the raw materials have reduced the inhomogeneous condition of raw materials mixing.

Description

Heat insulation material raw material mixing machine

Technical Field

The utility model relates to an insulation material production technical field especially relates to an insulation material raw materials mixes machine.

Background

The heat insulation material generally refers to a material with a thermal coefficient less than or equal to 0.12, and when the heat insulation material is produced, a plurality of raw materials are required to be mixed and processed.

The prior art CN202123438263.5 discloses a raw material mixing device for producing heat-insulating materials, which comprises a support plate, wherein a sleeve is clamped in the support plate, a bearing I and a sliding sleeve I are respectively clamped in the support plate, a sliding rod I is slidably connected in the sliding sleeve I, a threaded sleeve is sleeved in the bearing I, a screw rod is connected in the threaded sleeve in a threaded manner, and the lower ends of the screw rod and the sliding rod I are fixedly connected with the upper side of a connecting plate; rotate the thread bush through handle two, the thread bush through with the screw rod, slide bar one, the cooperation of sliding sleeve one and connecting plate one, can drive the baffle and move down, thereby be convenient for clear up the baffle upside, rotate through handle one drive pivot one and rolling wheel, carry out the rolling through rolling wheel pair cotton rope, can make connecting plate three, slide bar two and retaining ring remove down, can clear up the residual material who adsorbs on the sleeve inner wall through the retaining ring, thereby work efficiency has effectively been improved, staff's work load has also been reduced. However, the device finds: the effect of stirring the mixture is comparatively single to the raw materials through the stirring rake, has reduced the mixing efficiency of raw materials to the inhomogeneous condition of mixing appears easily in the raw materials, consequently provides the machine that mixes that improves insulation material raw materials mixing efficiency and raw materials mixing quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides an insulation material raw materials mixes machine to improve the variety and the mixing efficiency that mix the machine and mix the raw materials, further reduce the inhomogeneous condition of raw materials mixture.

In order to solve the technical problem, the utility model adopts the following technical proposal.

A heat insulation material raw material mixer comprises a supporting table, a supporting arm, a material barrel and a discharge valve, wherein the bottom end of the supporting arm is connected with the top end of the supporting table, the left end and the right end of the material barrel are respectively and rotatably arranged on the outer side wall of the supporting arm, the discharge valve is arranged at the right end of the supporting arm, the right end of the material barrel is rotatably connected with the left end of the discharge valve, and the material barrel is communicated with the inside of the discharge valve; the material barrel conveying device comprises a supporting device, a driving device, a feeding closed door, a stirring paddle, a first motor and a plurality of groups of stirring blades, wherein the driving device is arranged on the supporting arm and drives the material barrel to rotate; inside placing the material bucket with the raw materials through feeding sealing door, later close feeding sealing door and make material bucket inner seal, drive stirring rake clockwise rotation through opening first motor, make the stirring rake with the raw materials clockwise stirring in the material bucket, drive material bucket counter-clockwise turning through drive arrangement, the material bucket drives multiunit stirring leaf synchronous revolution, make multiunit stirring leaf to the raw materials counter-clockwise stirring in the material bucket, drive brace table reciprocating swing about simultaneously through strutting arrangement, thereby make brace table drive material bucket horizontal hunting slope through the support arm, thereby improve the variety that mixes the machine to the raw materials, improve the mixing efficiency who mixes the machine to the raw materials, reduce the inhomogeneous condition of raw materials mixing.

Preferably, the supporting device comprises a base, a pushing device, a plurality of groups of sleeves, a plurality of groups of ejector rods and a plurality of groups of first supporting wheels, wherein the bottom end of the base is connected with the middle part of the top end of the base, the middle parts of the front end and the rear end of the supporting table are respectively rotatably installed on the base through rotating shafts, the plurality of groups of sleeves are respectively arranged at the top end of the base, the plurality of groups of ejector rods are respectively installed on the plurality of groups of sleeves in a vertically sliding mode, the plurality of groups of first supporting wheels are respectively installed at the top ends of the plurality of groups of ejector rods, the plurality of groups of first supporting wheels are respectively contacted with the bottom end of the supporting table, the plurality of groups of first supporting wheels are respectively arranged at the left part and the right part of the bottom end of the supporting table, the pushing device is arranged in the base, and respectively drives the lifting of the plurality of groups of ejector rods; pushing device promotes the multiunit ejector pin rebound of left part, make the first supporting wheel of left part multiunit of left part ejector pin drive the first supporting wheel of left part multiunit upwards promote brace table left part, pushing device drives right part multiunit ejector pin rebound simultaneously, make the first supporting wheel of right part multiunit of drive of right part ejector pin rebound, thereby make brace table drive material bucket tilt right, later pushing device promotes right part multiunit ejector pin rebound, right part multiunit ejector pin promotes brace table right part rebound through the first supporting wheel of multiunit, simultaneously left part multiunit ejector pin rebound, so reciprocal, thereby make brace table drive material bucket horizontal reciprocating swing slope, improve the raw materials comprehensive mixing effect in the material bucket, improve the mixing quality of raw materials.

Preferably, the pushing device comprises a plurality of groups of supporting blocks, a plurality of groups of sliding rails, a plurality of groups of sliding blocks, a plurality of groups of second supporting wheels and a plurality of groups of cylinders, wherein the plurality of groups of supporting blocks are respectively installed at the bottom ends of the plurality of groups of ejector rods, the bottom ends of the plurality of groups of supporting blocks are respectively set to be inclined planes, the plurality of groups of sliding rails are all installed at the bottom of the inner side wall of the base, the plurality of groups of sliding blocks are respectively installed on the plurality of groups of sliding rails in a sliding manner, the plurality of groups of second supporting wheels are respectively connected with the top ends of the plurality of groups of sliding blocks, the top ends of the plurality of groups of second supporting wheels are respectively contacted with the inclined planes at the bottom ends of the plurality of groups of supporting blocks, the fixed ends of the plurality of groups of cylinders are respectively installed on the inner side wall of the base, and the moving ends of the plurality of cylinders are respectively connected with the outer side walls of the plurality of sliding blocks; the multiple groups of sliders in the left part and the right part are respectively matched and pushed to slide in a reciprocating mode through the multiple groups of cylinders, so that the multiple groups of sliders are matched with the multiple groups of supporting blocks through the multiple groups of second supporting wheels, the multiple groups of ejector rods in the left part and the right part are driven to move in an opposite lifting mode, the convenience of left-right swinging rotation of the supporting table is improved, and the mixing efficiency of the mixing machine for raw materials is improved.

Preferably, the driving device comprises a second motor, two groups of belt pulleys and a belt, the second motor is arranged on the outer side wall of the supporting arm, the first group of belt pulleys is arranged on the output end of the second motor, the second group of belt pulleys is sleeved on the outer side wall of the material barrel, and the two groups of belt pulleys are in transmission through the belt; open the second motor and drive first group belt pulley rotatory, first group belt pulley drives second group belt pulley rotatory through the transmission of belt, makes second group belt pulley drive material bucket anticlockwise rotation, improves the convenience that multiunit stirring leaf and stirring rake opposite direction rotatory mixed the raw materials.

Preferably, the device also comprises a diversion trench, the diversion trench is arranged on the outer side wall of the support arm, and the diversion trench is arranged below the discharge valve; when the material discharge valve is opened to discharge the heat insulation material in the material barrel, the discharged heat insulation material falls into the guide groove, the material is guided and conveyed through the guide groove, and the convenience of material collection is improved.

Preferably, the material barrel further comprises a mounting frame, the mounting frame is mounted on the inner side wall of the material barrel, and the right end of the stirring paddle is rotatably mounted on the mounting frame; the rotation of stirring rake is supported through setting up the mounting bracket, improves the stability in use of stirring rake.

Preferably, the device also comprises a plurality of groups of supporting frames, and the plurality of groups of supporting frames are respectively and circumferentially arranged on the outer side wall of the base; through setting up the multiunit support frame, improve the base and prevent empting the effect, improve the use stationarity that mixes the machine.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model discloses a stirring rake is with the clockwise stirring of raw materials in the material bucket, and multiunit stirring leaf is to the anticlockwise stirring of raw materials in the material bucket, simultaneously through material bucket horizontal hunting slope to improve and mixed the variety and the mixing efficiency that the machine mixed to the raw materials, reduced the inhomogeneous condition of raw materials mixture.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a partial structure of the connection between the base and the slide rail;

FIG. 3 is a partial schematic view showing the connection between the support table and the support arm;

FIG. 4 is a schematic view of a part of the axial structure of the base and the base;

wherein: 1. a support table; 2. a support arm; 3. a material barrel; 4. a discharge valve; 5. a feed closing door; 6. a stirring paddle; 7. a first motor; 8. stirring blades; 9. a base; 10. a base; 11. a sleeve; 12. a top rod; 13. a first support wheel; 14. a support block; 15. a slide rail; 16. a slider; 17. a second support wheel; 18. a cylinder; 19. a second motor; 20. a pulley; 21. a belt; 22. a diversion trench; 23. a mounting frame; 24. a support frame.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example 1

The utility model provides an insulation material raw materials mixes machine, including a supporting bench 1, support arm 2, material bucket 3, discharge valve 4, strutting arrangement, drive arrangement, feeding closing door 5, stirring rake 6, first motor 7, multiunit stirring leaf 8, guiding gutter 22 and mounting bracket 23, strutting arrangement includes base 9, base 10, thrust unit, multiunit sleeve 11, multiunit ejector pin 12, the first supporting wheel 13 of multiunit and multiunit support frame 24, thrust unit includes multiunit supporting shoe 14, multiunit slide rail 15, multiunit slider 16, multiunit second supporting wheel 17 and multiunit cylinder 18.

The bottom end of the support arm 2 is connected with the top end of the support table 1, the left end and the right end of the material barrel 3 are respectively and rotatably installed on the outer side wall of the support arm 2, the discharge valve 4 is installed at the right end of the support arm 2, the diversion trench 22 is installed on the outer side wall of the support arm 2, and the diversion trench 22 is arranged below the discharge valve 4; the right end of the material barrel 3 is rotatably connected with the left end of the discharge valve 4, and the material barrel 3 is communicated with the inside of the discharge valve 4.

The supporting arm 2 is provided with a driving device which drives the material barrel 3 to rotate.

3 lateral walls of material bucket are provided with the feed inlet, and 5 intercommunications of feeding sealing door set up in feed inlet department, and 6 left ends of stirring rake are rotatory to be installed on 3 inside walls of material bucket, and first motor 7 is installed at 2 left ends of support arm to 7 output ends of first motor are connected with 6 left ends of stirring rake are concentric, and multiunit stirring leaf 8 circumference is installed respectively on 3 inside walls of material bucket. Mounting bracket 23 is installed on material bucket 3 inside wall to 6 right-hand members of stirring rake are rotatory to be installed on mounting bracket 23.

9 bottoms of base are connected with 10 top middle parts of base, prop up supporting bench 1 front and back both ends middle part and install on base 9 through pivot rotation respectively, multiunit sleeve 11 sets up respectively on 10 tops of base, slidable mounting about multiunit ejector pin 12 is respectively on multiunit sleeve 11, the first supporting wheel 13 of multiunit is installed respectively on the 12 tops of multiunit ejector pin, the first supporting wheel 13 of multiunit contacts with 1 bottom of brace table respectively to the first supporting wheel 13 of multiunit sets up two portions about in 1 bottom of brace table respectively. The multiple sets of supporting frames 24 are respectively circumferentially installed on the outer side wall of the base 10.

The multiunit supporting shoe 14 is installed respectively in the 12 bottoms of multiunit ejector pin, and multiunit supporting shoe 14 bottom sets up respectively to the inclined plane, multiunit slide rail 15 is all installed in base 10 inside wall bottom, multiunit slider 16 is slidable mounting respectively on multiunit slide rail 15, multiunit second supporting wheel 17 is connected with multiunit slider 16 top respectively, and multiunit second supporting wheel 17 top respectively with the inclined plane contact of multiunit supporting shoe 14 bottom, the stiff end of multiunit cylinder 18 is installed respectively on the base 10 inside wall, the removal end of multiunit cylinder 18 is connected with 16 lateral walls of multiunit slider respectively.

Place material bucket 3 inside with the raw materials through feeding sealing door 5, later close feeding sealing door 5 and make material bucket 3 internal seal, drive stirring rake 6 clockwise through opening first motor 7, make stirring rake 6 stir the raw materials in the material bucket 3 clockwise, drive material bucket 3 anticlockwise through drive arrangement, material bucket 3 drives multiunit stirring leaf 8 synchronous revolution, make multiunit stirring leaf 8 stir the raw materials anticlockwise in the material bucket 3, multiunit second supporting wheel 17 promotes the multiunit ejector pin 12 rebound of left part, make left part multiunit ejector pin 12 drive the first supporting wheel 13 of left part multiunit upwards promote brace table 1 left part, multiunit second supporting wheel 17 drives right part multiunit ejector pin 12 and moves down simultaneously, make right part multiunit ejector pin 12 drive the first supporting wheel 13 of right part multiunit and move down, thereby make brace table 1 drive material bucket 3 and incline right, later multiunit second supporting wheel 17 promotes right part multiunit ejector pin 12 and moves up, right part multiunit ejector pin 12 promotes the first supporting wheel 13 of multiunit through the first supporting wheel of multiunit and promotes the first supporting wheel 13 rebound of right part of multiunit, thereby make the reciprocal mixed efficiency of left part of brace table 3 to the mixed material bucket that the reciprocating mixing machine improves the circumstances of the reciprocal mixed efficiency of multiunit and improves the mixed material bucket about this mixed efficiency.

Example 2

The utility model provides a heat preservation material raw materials mixes machine, includes brace table 1, support arm 2, material bucket 3, discharge valve 4, strutting arrangement, drive arrangement, feeding sealing door 5, stirring rake 6, first motor 7, multiunit stirring leaf 8, guiding gutter 22 and mounting bracket 23, and drive arrangement includes second motor 19, two sets of belt pulley 20 and belt 21.

The bottom of support arm 2 is connected with 1 top of brace table, and the both ends are rotated respectively and are installed on 2 lateral walls of support arm about 3 material buckets, and discharge valve 4 installs at the 2 right-hand members of support arm, and 3 right-hand members of material bucket and the left end swivelling joint of discharge valve 4 to communicate with each other in 3 material buckets and the discharge valve 4, brace table 1 middle part swivelling joint is on strutting arrangement, and strutting arrangement is used for the 1 horizontal hunting to the brace table.

3 lateral walls of material bucket are provided with the feed inlet, and 5 intercommunications of feeding closed door set up in feed inlet department, and 6 left ends of stirring rake are rotatory to be installed on 3 inside walls of material bucket, and first motor 7 is installed at 2 left ends of support arm to first motor 7 output is connected with 6 left ends of stirring rake with one heart, and multiunit stirring leaf 8 is circumference respectively and is installed on 3 inside walls of material bucket.

The second motor 19 is installed on the lateral wall of the support arm 2, the first group of belt pulleys 20 is arranged on the output end of the second motor 19, the second group of belt pulleys 20 is sleeved on the lateral wall of the material barrel 3, and the two groups of belt pulleys 20 are driven by a belt 21.

Diversion trench 22 is installed on 2 lateral walls of support arm to diversion trench 22 sets up in discharge valve 4 below, and mounting bracket 23 installs on 3 inside walls of material bucket, and 6 right-hand members of stirring rake are rotatory to be installed on mounting bracket 23.

Place material bucket 3 inside with the raw materials through feeding sealing door 5, later close feeding sealing door 5 and make material bucket 3 internal seal, drive stirring rake 6 clockwise rotation through opening first motor 7, make stirring rake 6 stir the raw materials in the material bucket 3 clockwise, drive material bucket 3 anticlockwise rotation through drive arrangement, material bucket 3 drives multiunit stirring leaf 8 synchronous revolution, make multiunit stirring leaf 8 stir the raw materials anticlockwise stirring in the material bucket 3, drive brace table 1 horizontal reciprocating swing through strutting arrangement simultaneously, thereby make brace table 1 drive material bucket 3 horizontal swing slope through support arm 2, when arranging material valve 4 and opening the insulation material in the material bucket 3 and discharging, the insulation material of emission falls to inside guiding gutter 22, carry the material water conservancy diversion through guiding gutter 22, improve the convenience of material collection.

As shown in fig. 1 to 4, the utility model discloses during operation, place material bucket 3 inside with the raw materials through feeding sealing door 5, later close feeding sealing door 5 and make material bucket 3 internal seal, drive 6 clockwise rotations of stirring rake through opening first motor 7, make the raw materials clockwise stirring in stirring rake 6 with material bucket 3, drive 3 anticlockwise rotations of material bucket through second motor 19, material bucket 3 drives multiunit stirring leaf 8 synchronous revolution, make multiunit stirring leaf 8 stir the raw materials anticlockwise stirring in the material bucket 3, multiunit second supporting wheel 17 promotes the multiunit ejector pin 12 rebound of left part, make left part multiunit ejector pin 12 drive the first supporting wheel 13 of left part multiunit promote supporting bench 1 left part upwards, multiunit second supporting wheel 17 drives right part multiunit ejector pin 12 downwards simultaneously, make right part multiunit ejector pin 12 drive the first supporting wheel 13 of right part multiunit move downwards, thereby make supporting bench 1 drive material bucket 3 slope right side, later multiunit second supporting wheel 17 promotes right part multiunit ejector pin 12 upwards promotes multiunit 12 upwards, right part first supporting bench 12 passes through multiunit left part reciprocating movement supporting bench 13, thereby make the reciprocating movement of right part ejector pin 1 multiunit left side push bench 13.

The utility model discloses the main function who realizes does: stirring rake 6 stirs the raw materials clockwise in the material bucket 3, and the raw materials anticlockwise stirring in the material bucket 3 of multiunit stirring leaf 8 is simultaneously through the slope of 3 horizontal hunting of material bucket to improve the variety that mixes the machine and mix the raw materials, improve the mixing efficiency that mixes the machine to the raw materials, reduce the inhomogeneous condition of raw materials mixing.

The installation mode, the connection mode or the arrangement mode of each part are common mechanical modes, and the installation mode, the connection mode or the arrangement mode can be implemented as long as the beneficial effects of the installation mode, the connection mode or the arrangement mode can be achieved; the utility model discloses a first motor 7, cylinder 18 and second motor 19 of insulation material raw materials mixer are purchase on the market, and this in the industry technical staff only need according to its subsidiary instructions install and operate can, and need not the technical staff in the field and pay out creative work.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A heat insulation material raw material mixer comprises a supporting table (1), a supporting arm (2), a material barrel (3) and a discharge valve (4), wherein the bottom end of the supporting arm (2) is connected with the top end of the supporting table (1), the left end and the right end of the material barrel (3) are respectively and rotatably mounted on the outer side wall of the supporting arm (2), the discharge valve (4) is mounted at the right end of the supporting arm (2), the right end of the material barrel (3) is rotatably connected with the left end of the discharge valve (4), and the material barrel (3) is communicated with the inside of the discharge valve (4); the device is characterized by further comprising a supporting device, a driving device, a feeding sealing door (5), stirring paddles (6), a first motor (7) and a plurality of groups of stirring blades (8), the supporting arm (2) is provided with the driving device, the driving device drives the material barrel (3) to rotate, the supporting platform (1) is rotatably installed on the supporting device in the middle, the supporting device is used for swinging left and right of the supporting platform (1), the outer side wall of the material barrel (3) is provided with a feeding hole, the feeding sealing door (5) is communicated and arranged at the feeding hole, the stirring paddles (6) are rotatably installed on the inner side wall of the material barrel (3) in the left end, the first motor (7) is installed at the left end of the supporting arm (2), the output end of the first motor (7) is concentrically connected with the left end of the stirring paddles (6), and the plurality of groups of stirring blades (8) are respectively and circumferentially installed on the inner side wall of the material barrel (3).

2. The mixing machine for the raw materials of the heat-insulating materials according to claim 1, wherein the supporting device comprises a base (9), a base (10), a pushing device, a plurality of sets of sleeves (11), a plurality of sets of ejector rods (12) and a plurality of sets of first supporting wheels (13), the bottom end of the base (9) is connected with the middle part of the top end of the base (10), the middle parts of the front and rear ends of the supporting table (1) are rotatably mounted on the base (9) through rotating shafts respectively, the plurality of sets of sleeves (11) are respectively arranged at the top end of the base (10), the plurality of sets of ejector rods (12) are respectively slidably mounted on the plurality of sets of sleeves (11) up and down, the plurality of sets of first supporting wheels (13) are respectively mounted at the top ends of the plurality of sets of ejector rods (12), the plurality of sets of first supporting wheels (13) are respectively contacted with the bottom end of the supporting table (1), and the plurality of sets of first supporting wheels (13) are respectively arranged at the left and right parts of the bottom end of the supporting table (1), the base (10) is internally provided with the pushing device, and the pushing device respectively drives the lifting of the plurality of sets of ejector rods (12).

3. The mixing machine for raw materials of heat insulating materials according to claim 2, wherein the pushing device comprises a plurality of sets of supporting blocks (14), a plurality of sets of sliding rails (15), a plurality of sets of sliding blocks (16), a plurality of sets of second supporting wheels (17) and a plurality of sets of cylinders (18), the plurality of sets of supporting blocks (14) are respectively installed at the bottom ends of the plurality of sets of push rods (12), the bottom ends of the plurality of sets of supporting blocks (14) are respectively set to be inclined planes, the plurality of sets of sliding rails (15) are all installed at the bottom of the inner side wall of the base (10), the plurality of sets of sliding blocks (16) are respectively slidably installed on the plurality of sets of sliding rails (15), the plurality of sets of second supporting wheels (17) are respectively connected with the top ends of the plurality of sets of sliding blocks (16), the top ends of the plurality of sets of cylinders (18) are respectively installed at the inner side wall of the base (10), and the moving ends of the plurality of cylinders (18) are respectively connected with the outer side walls of the plurality of sliding blocks (16).

4. The mixing machine for the raw materials of the heat-insulating materials is characterized in that the driving device comprises a second motor (19), two groups of belt pulleys (20) and a belt (21), the second motor (19) is installed on the outer side wall of the supporting arm (2), the first group of belt pulleys (20) is arranged at the output end of the second motor (19), the second group of belt pulleys (20) is sleeved on the outer side wall of the material barrel (3), and the two groups of belt pulleys (20) are driven by the belt (21).

5. An insulation material mixing machine according to claim 1, characterized in that the guide chute (22) is mounted on the outer side wall of the support arm (2) and the guide chute (22) is arranged below the discharge valve (4).

6. The mixing machine for the raw materials of the heat-insulating materials is characterized in that a mounting frame (23) is mounted on the inner side wall of the material barrel (3), and the right end of the stirring paddle (6) is rotatably mounted on the mounting frame (23).

7. The mixing machine for raw materials of thermal insulation materials according to claim 2, wherein a plurality of sets of supporting frames (24) are respectively circumferentially installed on the outer side wall of the base (10).

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