Bending and punching die and forming process of air conditioner outdoor unit panel

Abstract

This invention relates to the field of mold technology, and proposes a bending and punching mold and forming process for an air conditioner outdoor unit panel. The mold includes a fixed mold and a moving mold. The moving mold includes a mold frame, a pair of elastic pressure members mounted on the mold frame, and a trimming member and a punch located between the two elastic pressure members. One of the elastic pressure members has a beveled bottom, and the punch has a retraction groove. In this invention, after the punch punch punches the sheet metal downwards, the trimming punch trims the sheet metal as the mold frame moves downwards. Simultaneously, the left side of the mold frame presses down on the sheet metal, causing it to bend under the pressure of the bending groove to form the finished workpiece. Compared with the prior art, this invention can realize a series of processing steps for punching, trimming, and bending of the air conditioner outdoor unit panel using a single mold, solving the problems of multiple molds, cumbersome processes, and high manufacturing costs in the prior art. This invention adopts continuous processing such as uninterrupted feeding, punching, trimming, and bending, greatly improving production efficiency.

Description

Technical Field

[0001] This invention relates to the field of mold technology, specifically to a bending and punching mold and forming process for an air conditioner outdoor unit panel. Background Technology

[0002] Traditional air conditioner outdoor unit panels require multiple processes and five sets of molds to complete during the bending and punching process. Each mold is expensive, the whole process is time-consuming and labor-intensive, and there is no way to improve efficiency, which cannot meet customer needs.

[0003] According to the search, the announcement number CN109013861A discloses a bending and punching mold forming process for an air conditioner outdoor unit panel. The specific process steps are as follows: (1) Pressing, cutting holes and corners: Press out the outline on the panel as needed; cut two square holes on the upper part of the panel; (2) Cutting the shape and cutting holes: Cut square and irregular edges on the left and right sides of the panel after completing step (1); cut several square holes and round holes in the middle and upper part of the panel; (3) Cutting edges and forming: Cut and form the middle and upper part, the upper end and the right end of the panel after completing step (2); (4) Bending: Bend the lower part of the panel after completing step (3) backward by 90° to form.

[0004] However, the above mold forming process still has the following problems: The above mold forming process can compress five molds into four, and use four processes to complete punching, pressing and bending at the same time. In comparison, the number of molds used is still large, the process is more complicated, the preparation cost is higher, and it affects the manufacturer's production efficiency. Summary of the Invention

[0005] This invention proposes a bending and punching mold and forming process for an air conditioner outdoor unit panel, which solves the problems of multiple molds, complicated processes, and high manufacturing costs in the prior art.

[0006] The technical solution of the present invention is as follows: A bending and punching die for an air conditioner outdoor unit panel includes a fixed die and a moving die. The moving die includes a die frame, a pair of elastic pressing members disposed on the die frame, and a trimming member and a punch located between the two elastic pressing members. One of the elastic pressing members has an inclined surface at its bottom. The punch has a retraction groove, and a metal spring is fixed in the retraction groove. The fixed die has a hole groove, a side groove, and an air cavity. The hole groove and the side groove are respectively located below the punch and the trimming member. An elastic plug is provided inside the air chamber, and an air passage is connected above the air chamber. A limiting groove is provided on one side of the slot, and a lifting component is provided inside the limiting groove. During the downward punching process, the punching punch carries a metal spring sheet that engages with the lifting component. During the upward punching process, the lifting component lifts the workpiece, causing one end of the workpiece to tilt up. At the same time, the elastic plug blows out the air in the air chamber, causing the other end of the workpiece to lift slightly. When the elastic plug resets, it pushes out the punching punch and the waste material cut by the trimming part.

[0007] Preferably, one side of the mold frame is provided with a stop edge to block the sheet metal, and a bending groove for bending the sheet metal is provided above the stop edge.

[0008] Preferably, the elastic pressure member includes a first guide rod, which is slidably connected to the mold frame. A pressure plate is fixed to the end of the first guide rod, and a first spring is sleeved on the first guide rod. The two ends of the first spring are respectively fixed to the mold frame and the pressure plate.

[0009] Preferably, a roller is rotatably connected to the bottom of the pressure plate, and the roller is located on one side of the inclined surface.

[0010] Preferably, the trimming component includes a second guide rod, which is slidably connected to the mold frame. A trimming punch is fixed to the end of the second guide rod, and a second spring is sleeved on the outside of the second guide rod. Both ends of the second spring are fixed to the mold frame and the second guide rod.

[0011] Preferably, the lifting assembly includes a slider, which is slidably connected to a limiting groove. A third spring is fixed to the bottom of the slider, and the end of the third spring is fixed to the limiting groove. A pressure groove is formed on the side of the slider facing the metal spring.

[0012] Preferably, the elastic plug includes a telescopic rod, the fixed mold has a groove communicating with the slot, the telescopic rod is slidably connected to the fixed mold, one end of the telescopic rod is fixed with a piston slidably disposed in the air cavity, the other end of the telescopic rod is fixed with a wedge block slidably disposed in the groove, and a fourth spring is sleeved on the telescopic rod, the two ends of the fourth spring being fixed to the piston and the inner wall of the air cavity, respectively.

[0013] Preferably, the air chamber is provided with a vent hole on one side of the piston, and the air chamber is provided with a replenishment hole on the other side of the piston, and the replenishment hole is provided with a one-way air valve.

[0014] Preferably, a plate groove communicating with the sliding groove is provided below the side groove, and an inclined slide is provided on one side of the plate groove.

[0015] A molding process for an air conditioner outdoor unit panel includes the following steps:

[0016] Step 1: Feeding the sheet metal. The sheet metal is fed from right to left to the bottom of the pressure plate by the feeding equipment, and the ends of the sheet metal are blocked by the baffle of the mold frame.

[0017] Step 2: Punching the sheet metal. The drive device moves the mold frame down, the pressure plates on both sides press down on the sheet metal, the cutting punch contacts the sheet metal and stretches the second spring. The height of the cutting punch remains unchanged, and the punching punch moves down to punch the sheet metal.

[0018] Step 3: Trimming and bending of the sheet metal. The mold frame continues to move downward. After the trimming punch contacts the mold frame, the trimming punch begins to trim the sheet metal as the mold frame moves downward. At the same time, the left side of the mold frame presses down on the sheet metal, causing it to bend into a finished workpiece under the pressure of the bending groove. Meanwhile, the downward movement of the punching punch presses down on the wedge block, causing the piston to move to the left and drawing external air into the air chamber on the right side of the piston through the one-way air valve. The punching punch pushes the hole-shaped waste piece into the slide groove. Under the action of the second spring, the trimming punch pushes the trimmed waste piece into the piece groove. Meanwhile, the metal spring is stuck into the pressure groove of the slider as the height of the punching punch decreases.

[0019] Step 4: Unloading the workpiece. The drive unit moves the mold frame upward, and the metal spring on the punch presses against the slider, causing the slider to overcome the spring force of the third spring and lift the workpiece. One end of the workpiece is brought close to the inclined surface of the pressure plate and is in a tilted state. At the same time, the punch rises, and the piston moves to the right under the spring force of the fourth spring, blowing the air in the air chamber on the right side of the piston out through the air passage. The other end of the workpiece is slightly lifted under the air pressure, so that the workpiece does not contact the fixed mold table surface and slides down in an inclined posture and is collected. At the same time, the retraction of the wedge block pushes the hole-shaped waste piece and the trimmed waste piece that fall into the slide groove and the plate groove to the right and is collected by the inclined slide outlet.

[0020] The beneficial effects of this invention are as follows:

[0021] In this invention, after the punching punch moves down to punch holes in the sheet metal, the trimming punch moves down with the die frame to trim the sheet metal. At the same time, the left side of the die frame presses down on the sheet metal, causing it to bend under the pressure of the bending groove to form the finished workpiece. Compared with the prior art, this invention can realize a series of processing steps such as punching, trimming, and bending of the air conditioner outdoor unit panel with a single die, solving the problems of multiple dies, complicated processes, and high manufacturing costs in the prior art. This invention adopts continuous processing such as uninterrupted feeding, punching, trimming, and bending, which greatly improves production efficiency.

[0022] In this invention, when the driving device drives the mold frame upward, the metal spring on the punch presses against the slider, causing the slider to overcome the elastic force of the third spring and lift the workpiece. One end of the workpiece is brought close to the inclined surface of the pressure plate and is in a tilted state. At the same time, the lifting piston of the punch moves to the right under the elastic force of the fourth spring, blowing the air in the air chamber on the right side of the piston out through the air passage. The other end of the workpiece is slightly lifted under the action of air pressure, so that the workpiece does not contact the fixed mold table surface and slides down in an inclined posture and is collected. At the same time, the retraction of the wedge block pushes the hole-shaped waste piece and the trimmed waste piece that fall into the slide groove and the plate groove to the right and is collected by the inclined slide outlet. Compared with the prior art, this invention adopts a pneumatically assisted plate tilting feeding method, which can avoid the contact between the panel and the mold, reduce wear, and improve product quality.

[0023] In this invention, the height of the roller shaft is lower than the lowest point of the inclined plane. When the pressure plate presses down, the roller shaft contacts the sheet material and presses and positions the sheet material. When the pressure plate is raised, the top surface of the sheet material contacts the roller shaft under the action of air pressure. When the sheet material slides sideways under gravity, the friction with the sheet surface can be reduced, thus protecting the sheet surface. Compared with the prior art, this invention adopts a roller shaft contact method, which can further protect the sheet material. Attached Figure Description

[0024] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0025] Figure 1 This is a schematic diagram of a bending and punching die structure for an air conditioner outdoor unit panel proposed in this invention;

[0026] Figure 2 This is a schematic diagram of the bending and punching die for an air conditioner outdoor unit panel proposed in this invention from another perspective.

[0027] Figure 3 This is a schematic diagram of the punch structure proposed in this invention;

[0028] Figure 4 This is a schematic diagram of the lifting component structure proposed in this invention;

[0029] Figure 5 This is a schematic diagram of the elastic plug structure proposed in this invention;

[0030] Figure 6 This is a schematic diagram of the sheet metal conveying process.

[0031] Figure 7 This is a schematic diagram of punching holes in a sheet metal.

[0032] Figure 8 This is a schematic diagram of the cutting and bending of sheet metal;

[0033] Figure 9 for Figure 8 Enlarged view of point A in the middle;

[0034] In the diagram: 1. Fixed mold; 11. Hole groove; 12. Side groove; 13. Air cavity; 14. Air passage; 15. Vent hole; 16. Air supply hole; 161. One-way air valve; 17. Slide groove; 18. Plate groove; 19. Inclined slide; 110. Limiting groove; 2. Moving mold; 21. Mold frame; 211. Side guard; 212. Bending groove; 22. Elastic pressure component; 221. First guide rod; 222. Pressure plate; 2221. Roller. 2222, Inclined plane; 223, First spring; 23, Trimming piece; 231, Second guide rod; 232, Trimming punch; 233, Second spring; 24, Drilling punch; 241, Retraction groove; 242, Metal spring; 3, Lifting assembly; 31, Slider; 311, Pressure groove; 32, Third spring; 4, Elastic pressure plug; 41, Telescopic rod; 42, Wedge block; 43, Fourth spring; 44, Piston. Detailed Implementation

[0035] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0036] Please see Figure 1 and Figure 2This invention provides a technical solution: a bending and punching die for an air conditioner outdoor unit panel, comprising a fixed die 1 and a moving die 2. The moving die 2 includes a die frame 21, a pair of elastic pressing members 22 disposed on the die frame 21, and a trimming member 23 and a punching punch 24 located between the two elastic pressing members 22. One of the elastic pressing members 22 has a bevel 2222 at its bottom. The punching punch 24 has a retraction groove 241, and a metal spring 242 is fixed in the retraction groove 241. The fixed die 1 has a hole groove 11, a side groove 12 and an air cavity 13. The hole groove 11 and the side groove 12 are respectively located on the punching punch 24. Below the trimming piece 23, an elastic plug 4 is provided in the air chamber 13. An air passage 14 is connected above the air chamber 13. A limiting groove 110 is provided on one side of the slot 11, and a lifting component 3 is provided in the limiting groove 110. During the downward punching process of the punching punch 24, the metal spring 242 is engaged with the lifting component 3. During the upward process of the punching punch 24, the lifting component 3 lifts the workpiece, causing one end of the workpiece to tilt up. At the same time, the elastic plug 4 blows the air out of the air chamber 13, causing the other end of the workpiece to lift slightly. When the elastic plug 4 resets, it pushes out the waste material cut by the punching punch 24 and the trimming piece 23.

[0037] Specifically, the mold frame 21 has a retaining edge 211 on one side to block the sheet metal, and a bending groove 212 above the retaining edge 211 to bend the sheet metal. The elastic pressing member 22 includes a first guide rod 221, which is slidably connected to the mold frame 21. A pressure plate 222 is fixed to the end of the first guide rod 221. A first spring 223 is sleeved on the first guide rod 221. The two ends of the first spring 223 are fixed to the mold frame 21 and the pressure plate 222, respectively. A roller 2221 is rotatably connected to the bottom of the pressure plate 222. The roller 2221 is located on one side of the inclined plane 2222, and its height is lower than the lowest point of the inclined plane 2222. The pressure plate 222 presses down. When the roller 2221 contacts the sheet metal, it presses and positions the sheet metal. When the pressure plate 222 is raised, the top surface of the sheet metal contacts the roller 2221 under the action of air pressure. When the sheet metal slides sideways under gravity, it can reduce the friction with the sheet surface and protect the sheet surface. The trimming part 23 includes a second guide rod 231, which is slidably connected to the mold frame 21. The end of the second guide rod 231 is fixed with a trimming punch 232. The trimming punch 232 is used to cut two cutting points on the sheet metal, which are the two ends of the front and rear workpieces respectively. A second spring 233 is sleeved on the outside of the second guide rod 231. The two ends of the second spring 233 are fixed to the mold frame 21 and the second guide rod 231.

[0038] Please see Figure 4The lifting assembly 3 includes a slider 31, which is slidably connected to the limiting groove 110. A third spring 32 is fixed at the bottom of the slider 31, and the end of the third spring 32 is fixed to the limiting groove 110. A pressure groove 311 is provided on the side of the slider 31 facing the metal spring 242. Limiting protrusions are provided on both sides of the slider 31. Under the limiting of the protrusions, the top surface of the slider 31 is flush with the top surface of the fixed mold 1.

[0039] Please see Figure 5 The elastic pressure plug 4 includes a telescopic rod 41. A sliding groove 17 communicating with the slot 11 is provided on the fixed mold 1. The telescopic rod 41 is slidably connected to the fixed mold 1. A piston 44 is fixedly fixed at one end of the telescopic rod 41 and slidably disposed in the air chamber 13. A wedge block 42 is fixedly fixed at the other end of the telescopic rod 41 and slidably disposed in the sliding groove 17. A fourth spring 43 is sleeved on the telescopic rod 41. The two ends of the fourth spring 43 are fixed to the piston 44 and the inner wall of the air chamber 13, respectively. A vent hole 15 is provided on one side of the piston 44 for the air to enter and exit the air chamber 13 on the left side of the piston 44. A replenishment hole 16 is provided on the other side of the air chamber 13 of the piston 44. A one-way air valve 161 is provided in the replenishment hole 16. The one-way air valve 161 can only allow external air to enter the air chamber 13 on the right side of the piston 44 when the piston 44 moves to the right.

[0040] Please see Figure 6 Below the edge groove 12 is a piece groove 18 that communicates with the slide groove 17 for collecting waste pieces of the cut edge. The thickness of the piece groove 18 is just enough to allow the waste pieces to pass through. A sloping slide 19 is provided on one side of the piece groove 18 for the discharge of waste pieces.

[0041] Based on the aforementioned bending and punching mold for the air conditioner outdoor unit panel, the present invention also provides a forming process for the air conditioner outdoor unit panel, specifically including the following steps:

[0042] Step 1: As Figure 6 As shown, the sheet material is guided from right to left to the bottom of the pressure plate 222 by the feeding device, and the end of the sheet material is blocked by the stop 211 of the mold frame 21.

[0043] Step Two: As Figure 7 As shown, the punching of the sheet metal is achieved by driving the mold frame 21 to move down, pressing the sheet metal with the pressure plates 222 on both sides, and the cutting punch 232 to contact the sheet metal and stretch the second spring 233. The height of the cutting punch 232 remains unchanged, and the punching punch 24 moves down to punch the sheet metal.

[0044] Step 3: Sheet metal trimming and bending. The die set 21 continues to move downwards. After the trimming punch 232 contacts the die set 21, it begins to trim the sheet metal as the die set 21 descends. Simultaneously, the left side of the die set 21 presses down on the sheet metal, bending it under the pressure of the bending groove 212 to form the finished workpiece. Meanwhile, the downward movement of the punching punch 24 presses down on the wedge block 42, causing the piston 44 to move to the left and drawing external air into the air chamber 13 on the right side of the piston 44 through the one-way air valve 161. The punching punch 24 pushes the hole-shaped scrap piece into the slide groove 17. The trimming punch 232, under the elastic force of the second spring 233, pushes the trimmed scrap piece into the piece groove 18. The metal spring 242, as the height of the punching punch 24 decreases, gets stuck in the pressure groove 311 of the slider 31. At this point, the device... Figure 8 and Figure 9 As shown;

[0045] Step 4: Unloading the workpiece. The drive device moves the mold frame 21 upward, and the metal spring 242 on the punching punch 24 presses against the slider 31, causing the slider 31 to overcome the elastic force of the third spring 32 and lift the workpiece. One end of the workpiece is brought close to the inclined surface 2222 of the pressure plate 222 and is in a tilted state. At the same time, the punching punch 24 is raised, and the piston 44 moves to the right under the elastic force of the fourth spring 43. The air in the air chamber 13 on the right side of the piston 44 is blown out through the air passage 14, causing the other end of the workpiece to be slightly lifted under the action of air pressure. This causes the workpiece to not contact the fixed mold 1 table surface and slide down in an inclined posture and be collected. At the same time, the retraction of the wedge block 42 pushes the hole-shaped waste piece and the trimmed waste piece that fall into the slide groove 17 and the piece groove 18 to the right and is collected by the inclined slide 19 outlet.

[0046] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A bending and punching die for an air conditioner outdoor unit panel, comprising a fixed die (1) and a moving die (2), characterized in that, The moving mold (2) includes a mold frame (21), a pair of elastic pressure members (22) disposed on the mold frame (21), and a cutting edge member (23) and a punching punch (24) located between the two elastic pressure members (22). One of the elastic pressure members (22) has a bevel (2222) at the bottom. The mold frame (21) has a side edge (211) for blocking the sheet metal on one side, and a bending groove (212) for bending the sheet metal is provided above the side edge (211). The punching punch (24) has a retraction groove (241) and a metal spring (242) is fixed inside the retraction groove (241). The fixed mold (1) has a hole groove (11), a side groove (12) and an air cavity (13). The hole groove (11) and the side groove (12) are located below the punching punch (24) and the trimming part (23) respectively. An elastic pressure plug (4) is provided inside the air cavity (13). An air passage (14) is connected above the air cavity (13). A limiting groove is provided on one side of the hole groove (11). 110), and a lifting component (3) is provided in the limiting groove (110). During the downward punching process, the punch (24) carries a metal spring (242) and engages with the lifting component (3). During the upward process, the punch (24) lifts the workpiece through the lifting component (3), causing one end of the workpiece to tilt up. At the same time, the air in the air chamber (13) is blown out through the elastic pressure plug (4), causing the other end of the workpiece to lift slightly. When the elastic pressure plug (4) is reset, the waste material cut by the punch (24) and the trimming part (23) is pushed out. The elastic plug (4) includes a telescopic rod (41), and the fixed mold (1) is provided with a sliding groove (17) communicating with the hole groove (11). The telescopic rod (41) is slidably connected to the fixed mold (1). One end of the telescopic rod (41) is fixed with a piston (44) slidably disposed in the air cavity (13), and the other end of the telescopic rod (41) is fixed with a wedge block (42) slidably disposed in the sliding groove (17). The telescopic rod (41) is sleeved with a fourth spring (43), and the two ends of the fourth spring (43) are respectively fixed to the piston (44) and the inner wall of the air cavity (13). The side groove (12) is provided with a plate groove (18) communicating with the slide groove (17) below it, and a sloping slide (19) is provided on one side of the plate groove (18).

2. The bending and punching die for an air conditioner outdoor unit panel according to claim 1, characterized in that, The elastic pressure member (22) includes a first guide rod (221), which is slidably connected to the mold frame (21). A pressure plate (222) is fixed at the end of the first guide rod (221), and a first spring (223) is sleeved on the first guide rod (221). The two ends of the first spring (223) are fixed to the mold frame (21) and the pressure plate (222) respectively.

3. The bending and punching die for an air conditioner outdoor unit panel according to claim 2, characterized in that, The bottom of the pressure plate (222) is rotatably connected to a roller (2221), which is located on one side of the inclined surface (2222).

4. The bending and punching die for an air conditioner outdoor unit panel according to claim 3, characterized in that, The trimming component (23) includes a second guide rod (231), which is slidably connected to the mold frame (21). A trimming punch (232) is fixed at the end of the second guide rod (231), and a second spring (233) is sleeved on the outside of the second guide rod (231). Both ends of the second spring (233) are fixed to the mold frame (21) and the second guide rod (231).

5. The bending and punching die for an air conditioner outdoor unit panel according to claim 4, characterized in that, The lifting assembly (3) includes a slider (31), which is slidably connected to a limiting groove (110). A third spring (32) is fixed at the bottom of the slider (31), and the end of the third spring (32) is fixed to the limiting groove (110). A pressure groove (311) is opened on the side of the slider (31) facing the metal spring (242).

6. The bending and punching die for an air conditioner outdoor unit panel according to claim 5, characterized in that, The air chamber (13) is provided with a vent hole (15) on one side of the piston (44), and the air chamber (13) is provided with a replenishment hole (16) on the other side of the piston (44). The replenishment hole (16) is provided with a one-way air valve (161).

7. A forming process for an air conditioner outdoor unit panel, wherein the bending and punching die for an air conditioner outdoor unit panel according to claim 6 is characterized in that, Includes the following steps: Step 1: The sheet material is guided from right to left to the bottom of the pressure plate (222) by the feeding equipment, and the end of the sheet material is blocked by the stop (211) of the mold frame (21); Step 2: Punching of the sheet metal. The driving equipment drives the mold frame (21) to move down, and the pressure plates (222) on both sides press down on the sheet metal. The cutting punch (232) contacts the sheet metal and stretches the second spring (233). The height of the cutting punch (232) remains unchanged, and the punching punch (24) moves down to punch the sheet metal. Step 3: Trimming and bending of the sheet metal. The mold frame (21) continues to move downward. After the trimming punch (232) comes into contact with the mold frame (21), the trimming punch (232) begins to trim the sheet metal as the mold frame (21) moves downward. At the same time, the left side of the mold frame (21) presses down on the sheet metal, causing it to bend into a finished workpiece under the pressure of the bending groove (212). Meanwhile, the downward movement of the punching punch (24) presses down on the wedge block (42), causing the piston (44) to move to the left. External air is drawn into the right air chamber (13) of the piston (44) through the one-way air valve (161). The punching punch (24) pushes the hole-shaped waste piece into the slide groove (17). The trimming punch (232) pushes the trimming waste piece into the plate groove (18) under the elastic force of the second spring (233). The metal spring (242) is stuck into the pressure groove (311) of the slider (31) as the height of the punching punch (24) decreases. Step 4: Unloading the workpiece. The drive device drives the mold frame (21) to move upward. The metal spring (242) on the punch (24) presses against the slider (31), so that the slider (31) overcomes the elastic force of the third spring (32) and lifts the workpiece. One end of the workpiece is close to the inclined surface (2222) of the pressure plate (222) and is in a raised state. At the same time, the punch (24) is raised. The piston (44) moves to the right under the elastic force of the fourth spring (43). The air in the air chamber (13) on the right side of the piston (44) is blown out through the air passage (14). The other end of the workpiece is slightly lifted under the action of air pressure. Then the workpiece does not contact the fixed mold (1) table and slides down in an inclined posture and is collected. At the same time, the retraction of the wedge block (42) pushes the hole-shaped waste piece and the edge-cutting waste piece that fall in the slide groove (17) and the plate groove (18) to the right and is collected by the inclined slide (19) outlet.

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