CN215093815U

CN215093815U - Food processing device for semi-finished product cutting

Info

Publication number: CN215093815U
Application number: CN202121490899.1U
Authority: CN
Inventors: 王玉刚
Original assignee: Dongying Vocational College
Current assignee: Dongying Vocational College
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-12-10
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to a food processing device for semi-finished product cutting, which comprises an extruder; the front end of the extruder is provided with an end head, the end head is provided with a horizontal discharge hole, the lower end of the extruder is fixedly connected with a bearing frame, the lower end of the bearing frame is fixedly connected with a bottom plate, the front end of the extruder is provided with a material cutting mechanism, and the front end of the material cutting mechanism is provided with a material guide mechanism; through being provided with blank mechanism, food raw and other materials are through the extruder, evenly extrude the back at the front end of end by the discharge gate, the fixed cut-off frequency of blank mechanism carries out the blank to the semi-manufactured goods of extruding, obtain an equivalent one, avoid having quality problems in the ratio production of epilogue, make the phenomenon that a large amount of specifications do not accord with the product appear when the finished product inspection, the cutter sets up to the detachable state simultaneously, be convenient for to work such as clearance and the maintenance of cutter, it has a small amount of semi-manufactured goods problem to prevent that its surface from gluing has after the cutter uses for a long time.

Description

Food processing device for semi-finished product cutting

Technical Field

The utility model relates to a food processing technology field, in particular to food processing device of semi-manufactured goods blank.

Background

The food consumed in daily life is mostly formed by a series of processing from initial growth and formation to edible, and the food processing directly takes agricultural, forest, pasture and fishery products as raw materials to carry out grain grinding, feed processing, vegetable oil and sugar processing, slaughtering and meat processing, aquatic product processing and the processing of fruits and vegetables and other food.

When food raw materials are processed, the food raw materials are often required to be stirred and mixed to be made into soft semi-finished products, then the semi-finished products are cut and divided into equal parts to be subjected to the next procedure, the equal parts cannot be completely obtained in the current processing link of cutting the semi-finished products, and quality problems exist in subsequent proportioning production, so that a large number of products with different specifications appear in the inspection of the finished products.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, provide a food processingequipment of semi-manufactured goods blank.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a food processing device for semi-finished product cutting comprises an extruder; the front end of the extruder is provided with an end head, a horizontal discharge hole is formed in the end head, the lower end of the extruder is fixedly connected with a bearing frame, the lower end of the bearing frame is fixedly connected with a bottom plate, the front end of the extruder is provided with a material cutting mechanism, and the front end of the material cutting mechanism is provided with a material guide mechanism.

Further, the blank mechanism includes the outer case, the rear side surface fixed connection of outer case is at the preceding side surface of extruding machine, the inside upper end trailing flank fixedly connected with motor support of outer case, the motor support internal fixation has the motor system, the output of motor system is connected with the transmission shaft, the one end fixedly connected with cam of motor system is kept away from to the transmission shaft, the lower extreme laminating of cam has the clamp plate, the upper end both sides of clamp plate are spring of all fixedly connected with, the upper end and the outer case fixed connection of spring, the connecting axle of the lower extreme both sides all fixedly connected with of clamp plate, the lower extreme of connecting axle is provided with the cutter.

The beneficial effects of the further scheme are as follows: under the invariable work of motor group, the cam rotates at the uniform velocity, produces periodic pushing down effect to the clamp plate, and when the spring guaranteed that the cam revolved to initial position, the clamp plate can get back to highest position, made cam and clamp plate be in the state of interact always, when the clamp plate downstream reached the extreme low position, cutter and shear plate joint, to the strip semi-manufactured goods segmentation of evenly extruding in the discharge gate, obtained equivalent semi-manufactured goods.

Furthermore, the lower extreme of connecting axle is seted up horizontal circular through-hole, two vertical blind holes have been seted up to the upper end of cutter, every the lower extreme of connecting axle all inserts in the blind hole of cutter, the cutter corresponds blind hole department and has seted up a screw hole, every the threaded hole all is connected with a cross screw, the top of cross screw injects in the circular through-hole of connecting axle.

The beneficial effects of the further scheme are as follows: the connecting shaft and the cutter are installed through the cross screw, so that the cutter is convenient to disassemble and assemble, and the cutter is convenient to clean and maintain.

Further, the notch has been seted up to the front end of outer case, the inside lower extreme fixedly connected with of outer case cuts the plywood, cut the both ends of plywood all with the lower extreme edge fixed connection of notch.

The beneficial effects of the further scheme are as follows: when cutter downstream to the extreme low position, the cutter will extrude strip semi-manufactured goods dissection jointly with the shear plate and cut apart, sets up cutter and shear plate inside the notch simultaneously, has prevented to produce the accidental injury to the staff when the blank, has improved the security.

Further, a T type groove has all been seted up to the left and right sides of clamp plate, every T type inslot all the joint has a T type slider, the one end that the clamp plate was kept away from to T type slider all with the one end fixed connection of connecting block, the other end of connecting block and the inside fixed connection of outer case.

The beneficial effects of the further scheme are as follows: the pressing plate is supported to a certain extent, so that the pressing plate can only move up and down, and the problems of uneven material cutting and the like caused by the inclination of a cutter are avoided.

Further, the material guiding mechanism comprises a placing plate, the rear end of the placing plate is arranged at the lower end of the discharge port, a connecting plate is arranged on the right side of the placing plate, a plurality of shifting sheets are fixedly connected to the left side of the connecting plate, the lower ends of the shifting sheets are attached to the upper surface of the lower plate of the placing plate, a first connecting rod is fixedly connected to the front end and the rear end of the right side of the connecting plate, a second connecting rod is fixedly connected to the lower side of one end, away from the shifting sheets, of the two first connecting rods, two groove blocks are clamped to the lower end of the second connecting rod, a first sliding rod is clamped to the lower end of each groove block, the two first sliding rods are respectively and fixedly connected to the front side and the rear side of the upper surface of the placing plate, a return groove is formed in the upper surface of the placing plate, a second sliding rod is fixedly connected to the lower end of the middle of the second connecting rod, and the lower end of the second sliding rod is clamped in the return groove, the upper end of the second sliding rod is sleeved with a third connecting rod, one end, far away from the second sliding rod, of the third connecting rod is inserted with a transmission rod, and the lower end of the transmission rod penetrates through the placing plate and is fixedly connected with a hand wheel.

The beneficial effects of the further scheme are as follows: the semi-manufactured goods after the dissection falls to putting the board rear end, rotates the hand wheel and can drive the plectrum periodicity and stir the semi-manufactured goods of dissection forward to get into next manufacturing procedure, avoid the accumulational condition of semi-manufactured goods of dissection at the lower extreme of discharge gate.

Further, the lower surface of the placing plate is fixedly connected with a supporting block, the lower surface of the supporting block is fixedly connected to the upper surface of the supporting table, four vertex angles of the lower surface of the supporting table are fixedly connected with a leg rod, the lower ends of the leg rods are fixedly connected to the upper surface of the bottom plate, and the lower surface of the placing plate is fixedly connected to the right end of the upper surface of the supporting table.

The beneficial effects of the further scheme are as follows: the supporting shoe plays the supporting role to putting the board, and the supporting bench plays supporting role to putting board and supporting shoe, makes the stable guide work that lasts of guide mechanism.

The utility model has the advantages that:

1. by arranging the material cutting mechanism, food raw materials are uniformly extruded from the discharge port at the front end of the end head through the material extruding machine, the extruded semi-finished products are cut by the fixed cutting frequency of the material cutting mechanism to obtain an equivalent part, so that the quality problem in subsequent proportioning production is avoided, a large number of products with different specifications are generated during finished product inspection, and meanwhile, the cutter is set to be in a detachable state, so that the cleaning, maintenance and other work of the cutter are facilitated, and the problem that a small amount of semi-finished products are adhered to the surface of the cutter after the cutter is used for a long time is prevented;

through being provided with guide mechanism, semi-manufactured goods form an solitary one through blank mechanism and fall to the rear end of putting the board, stir the back through the plectrum, and the semi-manufactured goods of dissection is transported to the front end of putting the board from the rear end of putting the board to send into next manufacturing procedure, avoid the accumulational condition of semi-manufactured goods of dissection.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the end head and the material cutting mechanism of the present invention;

FIG. 3 is a schematic perspective view of the internal structure of the blanking mechanism of the present invention;

FIG. 4 is a schematic view showing the assembling relationship between the connecting shaft, the cutter and the cross screw according to the present invention;

fig. 5 is a schematic view of a three-dimensional structure of the first connecting rod, the second connecting rod, the groove block, the first slide rod, the placing plate, the second slide rod, the third connecting rod, the transmission rod and the hand wheel of the present invention;

fig. 6 is a side view of the plate, the placing plate, the transmission rod, the hand wheel, the supporting block, the supporting table and the leg rod of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. extruding machine; 2. a tip; 201. a discharge port; 3. a carrier; 4. a base plate; 501. a housing case; 502. a motor bracket; 503. a motor unit; 504. a drive shaft; 505. a cam; 506. pressing a plate; 507. a spring; 508. a connecting shaft; 509. a cutter; 510. a cross screw; 511. a notch; 512. shearing a plywood; 513. a T-shaped groove; 514. a T-shaped slider; 515. connecting blocks; 601. placing the plate; 602. a connecting plate; 603. a shifting sheet; 604. a first connecting rod; 605. a second connecting rod; 606. a groove block; 607. a first slide bar; 608. placing the plate; 609. a circular groove; 610. a second slide bar; 611. a third connecting rod; 612. a transmission rod; 613. a hand wheel; 614. a support block; 615. a support table; 616. a leg bar.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1-4, a semi-finished cut-to-length food processing apparatus includes an extruder 1; the front end of extruder 1 is provided with end 2, and horizontal discharge gate 201 is seted up to end 2, and the lower extreme fixedly connected with of extruder 1 bears frame 3, bears the lower extreme fixedly connected with bottom plate 4 of frame 3, and the front end of extruder 1 is provided with blanking mechanism, and blanking mechanism's front end is provided with guide mechanism.

Blank mechanism includes outer case 501, outer case 501's rear side surface fixed connection is at the front side surface of extruder 1, outer case 501's inside upper end trailing flank fixedly connected with motor support 502, motor support 502 internal fixation has motor assembly 503, motor assembly 503's output is connected with transmission shaft 504, transmission shaft 504 keeps away from motor assembly 503's one end fixedly connected with cam 505, cam 505's lower extreme laminating has clamp plate 506, the equal fixedly connected with in upper end both sides of clamp plate 506 spring 507, the upper end and outer case 501 fixed connection of spring 507, the equal fixedly connected with connecting axle 508 in lower extreme both sides of clamp plate 506, the lower extreme of connecting axle 508 is provided with cutter 509.

Notch 511 has been seted up to outer case 501's front end, and outer case 501's inside lower extreme fixedly connected with shear plate 512, the both ends of shear plate 512 all with the lower extreme edge fixed connection of notch 511.

The left side and the right side of the pressing plate 506 are provided with T-shaped grooves 513, a T-shaped sliding block 514 is clamped in each T-shaped groove 513, one end, far away from the pressing plate 506, of each T-shaped sliding block 514 is fixedly connected with one end of a connecting block 515, and the other end of each connecting block 515 is fixedly connected with the inside of the outer case 501.

The motor unit 503 drives the transmission shaft 504 and the cam 505 to rotate stably, when the cam 505 rotates 180 degrees from an initial position, the pressing plate 506 and the cutter 509 move downwards to a lowest position, at the moment, the spring 507 is in a stretching state, the cutter 509 and the shearing plate 512 cut the strip-shaped semi-finished product extruded from the discharge port 201 to obtain multiple cut-section semi-finished products with the same quantity, the cam 505 continues to rotate 180 degrees to return to the original position, under the action of the spring 507, the pressing plate 506 and the cutter 509 move upwards until the cutter 509 returns to the highest position, in the process, the T-shaped sliding block 514 slides in the T-shaped groove 513 relative to the pressing plate 506, the pressing plate 506 and the cutter 509 are guaranteed to move in the vertical direction, the quality problem in subsequent proportioning production is avoided, and a phenomenon that a large number of products with different specifications are generated in finished product inspection is avoided.

In this embodiment, the lower extreme of connecting axle 508 is seted up horizontal circular through-hole, two vertical blind holes have been seted up to the upper end of cutter 509, the lower extreme of every connecting axle 508 all inserts in the blind hole of cutter 509, cutter 509 corresponds blind hole department and has seted up a screw hole, all be connected with a cross screw 510 in every threaded hole, the top of cross screw 510 injects in the circular through-hole of connecting axle 508, cutter 509 sets up to the detachable state, be convenient for to work such as clearance and maintenance of cutter 509, it has a small amount of semi-manufactured goods problem to prevent that its surface bonding has after cutter 509 uses for a long time.

Example 2

As shown in fig. 1, 5 and 6, a semi-finished cut food processing apparatus includes an extruder 1; the front end of extruder 1 is provided with end 2, and horizontal discharge gate 201 is seted up to end 2, and the lower extreme fixedly connected with of extruder 1 bears frame 3, bears the lower extreme fixedly connected with bottom plate 4 of frame 3, and the front end of extruder 1 is provided with blanking mechanism, and blanking mechanism's front end is provided with guide mechanism.

The material guiding mechanism comprises a placing plate 601, the rear end of the placing plate 601 is arranged at the lower end of the discharge port 201, a connecting plate 602 is arranged at the right side of the placing plate 601, a plurality of shifting sheets 603 are fixedly connected to the left side of the connecting plate 602, the lower ends of the shifting sheets 603 are attached to the upper surface of the lower plate of the placing plate 601, a first connecting rod 604 is fixedly connected to the front and rear ends of the right side surface of the connecting plate 602, a second connecting rod 605 is fixedly connected to the lower side of one end of each of the two first connecting rods 604 far away from the shifting sheets 603, two groove blocks 606 are clamped to the lower end of the second connecting rod 605, a first sliding rod 607 is clamped to the lower end of each groove block 606, the two first sliding rods 607 are respectively and fixedly connected to the front and rear sides of the upper surface of the placing plate 608, a return groove 609 is formed in the upper surface of the placing plate 608, a second sliding rod 610 is fixedly connected to the lower end of the middle of the second connecting rod 605, the lower end of the second sliding rod 610 is clamped in the return groove 609, a third connecting rod 611 is sleeved on the upper end of the second sliding rod 610, a transmission rod 612 is inserted at one end of the third connecting rod 611 far away from the second sliding rod 610, and a hand wheel 613 is fixedly connected to the lower end of the transmission rod 612 through the placing plate 608.

By rotating the hand wheel 613, the transmission rod 612 and the third connecting rod 611 are driven to rotate, the second sliding rod 610 moves in the long hole at one end of the third connecting rod 611, and simultaneously the second sliding rod 610 moves along the returning groove 609, when the second sliding rod 610 moves from the initial position to the front end of the placing plate 608, the second connecting rod 605 slides in the groove at the upper end of the groove block 606, the first connecting rod 604, the connecting plate 602 and the shifting piece 603 are driven to move horizontally from back to front, the semi-finished product which is cut and falls into the placing plate 601 is shifted forwards, when the hand wheel 613 continues to rotate, the second sliding rod 610 is driven to move from the front end of the placing plate 608 to the right end of the placing plate 608, the groove block 606 slides rightwards along the upper surface of the first sliding rod 607, the shifting piece 603 is driven to move rightwards, when the hand wheel 613 continues to rotate, the second sliding rod 610 is driven to return to the original position, the shifting piece 603 moves rearwards again, and the shifting piece 603 returns to the rear end of the placing plate 601, thus completing a period of stirring work and continuously guiding the cut semi-finished products forwards.

Put the lower fixed surface of board 601 and be connected with supporting shoe 614, the lower fixed surface of supporting shoe 614 is connected in the upper surface of brace table 615, and the four apex angles of the lower surface of brace table 615 are all fixedly connected with a leg 616, and the lower extreme of leg 616 is all fixedly connected in the upper surface of bottom plate 4, and the lower fixed surface of placing board 608 is connected in the right-hand member of brace table 615 upper surface.

The supporting blocks 614 support the placing plate 601 in height, and the supporting table 615 and the leg rods 616 support the entire material guiding mechanism.

The utility model discloses a theory of operation and application method: the motor unit 503 drives the transmission shaft 504 and the cam 505 to rotate stably, when the cam 505 rotates 180 degrees from an initial position, the pressing plate 506 and the cutter 509 move downwards to a lowest position, at the moment, the spring 507 is in a stretching state, the cutter 509 and the shearing plate 512 cut the strip-shaped semi-finished product extruded from the discharge port 201 to obtain multiple cut-section semi-finished products with the same quantity, the cam 505 continues to rotate 180 degrees to return to the original position, under the action of the spring 507, the pressing plate 506 and the cutter 509 move upwards until the cutter 509 returns to the highest position, in the process, the T-shaped sliding block 514 slides in the T-shaped groove 513 relative to the pressing plate 506, the pressing plate 506 and the cutter 509 move in the vertical direction, the quality problem in subsequent proportioning production is avoided, and a phenomenon that a large number of products are not in accordance with specifications is caused in finished product inspection is avoided;

after long-time work, a semi-finished product is adhered to the surface of the cutter 509, or the edge of the cutter 509 is passivated, and the cutter 509 can be detached from the lower end of the connecting shaft 508 by detaching the cross screw 510, so that the cutter 509 is convenient to clean or maintain;

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A food processing device for semi-finished product cutting is characterized by comprising an extruder (1); the front end of extruder (1) is provided with end (2), horizontal discharge gate (201) is seted up in end (2), the lower extreme fixedly connected with of extruder (1) bears frame (3), bear lower extreme fixedly connected with bottom plate (4) of frame (3), the front end of extruder (1) is provided with blank mechanism, blank mechanism's front end is provided with guide mechanism.

2. The food processing device of semi-finished product cutting according to claim 1, wherein the cutting mechanism comprises a casing box (501), the rear side surface of the casing box (501) is fixedly connected to the front side surface of the extruder (1), the rear side surface of the inner upper end of the casing box (501) is fixedly connected with a motor bracket (502), a motor set (503) is fixed in the motor bracket (502), the output end of the motor set (503) is connected with a transmission shaft (504), one end of the transmission shaft (504) far away from the motor set (503) is fixedly connected with a cam (505), the lower end of the cam (505) is attached with a pressing plate (506), two sides of the upper end of the pressing plate (506) are fixedly connected with a spring (507), the upper end of the spring (507) is fixedly connected with the casing box (501), two sides of the lower end of the pressing plate (506) are fixedly connected with a connecting shaft (508), the lower end of the connecting shaft (508) is provided with a cutter (509).

3. The food processing device of semi-finished cut materials according to claim 2, characterized in that the lower end of the connecting shaft (508) is provided with a horizontal circular through hole, the upper end of the cutter (509) is provided with two vertical blind holes, the lower end of each connecting shaft (508) is inserted into the blind hole of the cutter (509), the cutter (509) is provided with a threaded hole corresponding to the blind hole, each threaded hole is connected with a cross screw (510), and the top end of the cross screw (510) is inserted into the circular through hole of the connecting shaft (508).

4. The food processing device of semi-finished cut materials as claimed in claim 2, wherein the front end of the outer casing (501) is provided with a notch (511), the lower end of the inside of the outer casing (501) is fixedly connected with a shearing plate (512), and both ends of the shearing plate (512) are fixedly connected with the lower end edge of the notch (511).

5. The food processing device of the semi-finished cut materials of claim 2, wherein a T-shaped groove (513) is formed in each of the left side and the right side of the pressing plate (506), a T-shaped sliding block (514) is clamped in each T-shaped groove (513), one end of each T-shaped sliding block (514) far away from the pressing plate (506) is fixedly connected with one end of the connecting block (515), and the other end of each connecting block (515) is fixedly connected with the inside of the outer case (501).

6. The semi-finished cut food processing device according to claim 1, wherein the material guiding mechanism comprises a placing plate (601), the rear end of the placing plate (601) is arranged at the lower end of the discharging port (201), the right side of the placing plate (601) is provided with a connecting plate (602), the left side of the connecting plate (602) is fixedly connected with a plurality of shifting pieces (603), the lower ends of the shifting pieces (603) are attached to the upper surface of the lower plate of the placing plate (601), the front and rear ends of the right side surface of the connecting plate (602) are fixedly connected with a first connecting rod (604), the lower sides of the two ends of the first connecting rods (604) far away from the shifting pieces (603) are fixedly connected with a second connecting rod (605), the lower end of the second connecting rod (605) is connected with two slot blocks (606), and the lower end of each slot block (606) is connected with a first sliding rod (607), two first slide bars (607) are respectively fixed connection in the front and back both sides of placing board (608) upper surface, place the upper surface of board (608) and seted up return groove (609), the middle lower extreme fixedly connected with second slide bar (610) of second connecting rod (605), the lower extreme joint of second slide bar (610) is in returning groove (609), the pot head of second slide bar (610) is equipped with third connecting rod (611), the one end that second slide bar (610) were kept away from in third connecting rod (611) is inserted and is equipped with transfer line (612), the lower extreme of transfer line (612) passes and places board (608) fixedly connected with hand wheel (613).

7. The food processing device of semi-finished cut-off material as claimed in claim 6, wherein the lower surface of the placing plate (601) is fixedly connected with a supporting block (614), the lower surface of the supporting block (614) is fixedly connected with the upper surface of the supporting table (615), four top corners of the lower surface of the supporting table (615) are fixedly connected with a leg rod (616), the lower ends of the leg rods (616) are fixedly connected with the upper surface of the bottom plate (4), and the lower surface of the placing plate (608) is fixedly connected with the right end of the upper surface of the supporting table (615).