Pizza oven upper cover and casting mold thereof

Abstract

The utility model relates to the field of pizza oven production, and discloses an upper cover of a pizza oven, which comprises an arc-shaped upper cover body. A plurality of fixing columns are arranged on the inner surface of the upper cover body; a plurality of positioning bosses are arranged on the inner surface of the upper cover body; the periphery of the upper cover body is provided with a notch for a pizza to enter; the upper surface of the upper cover body is provided with a first groove used for installing a thermometer. The bottom of the upper cover body is provided with an arc-shaped groove which is installed in cooperation with the bottom of an external device. The upper cover is convenient for workers to position and assemble. Meanwhile, the utility model further discloses a casting mold for manufacturing the upper cover. When upper covers in different shapes are cast, only the upper die cavity and the lower die cavity need to be replaced, the whole die does not need to be replaced, the machining cost is reduced, the cooling pipeline is arranged, the die is cooled during working, and the service life of the die is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of pizza oven production, in particular to an upper cover of a pizza oven and a casting mold thereof. Background Art

[0002] At present, the connection between the upper cover and the bottom of the pizza oven is mainly through rotation connection or fixed connection; when fixing the installation, the staff needs to align the upper cover with the bottom and then fix it. The staff can only judge whether the installation is in place by observing whether the outer contours of the upper cover and the base are aligned, which makes the installation difficult. Moreover, the casting molds currently used are generally special molds. Each product needs a special mold to be manufactured, which is costly.

[0003] CN212634270U discloses a die-casting mold for forming an oven upper cover, a die-casting mold for forming an oven upper cover, comprising an upper mold and a lower mold, wherein a movable mold assembly for forming a slot hole structure on the side of the cover body is horizontally slidably arranged on the lower mold, and the movable mold assembly comprises a guide rail and a sliding member, wherein the guide rail is arranged on the lower mold for horizontal sliding arrangement of the sliding member, wherein one end of the sliding member is enclosed with the upper mold and the lower mold to form a forming mold cavity of the cover body, and a forming protrusion for forming the slot hole structure on the side of the cover body is arranged on the side of the sliding member close to the forming mold cavity. The mold has the effect of facilitating demoulding of the cover body with slots and holes on the side, but there is no cooling pipeline, the mold is easily damaged, and the mold is a special mold, and when it is necessary to cast upper covers of different shapes, different molds need to be replaced, and the processing cost is high.

[0004] The technical problem to be solved by the utility model is: how to improve the convenience of assembling the upper cover of the pizza oven and the versatility of the mold. Utility Model Content

[0005] The main purpose of the utility model is to provide a pizza oven upper cover, which can clearly know whether the upper cover and the base are installed in place by setting a positioning boss. At the same time, a mold is designed to solve the above problems.

[0006] To achieve the above objectives, the technical solutions adopted in this application are:

[0007] A pizza oven upper cover comprises an upper cover body, wherein the upper cover body is in an arc shape; a plurality of fixing columns are provided on the inner surface of the upper cover body; a plurality of positioning bosses are provided on the inner surface of the upper cover body; a notch is provided on the outer periphery of the upper cover body for allowing pizza to enter; a first groove is provided on the upper surface of the upper cover body for installing a thermometer; and an arc-shaped groove is provided on the bottom of the upper cover body for matching and installing with the bottom of an external device.

[0008] Preferably, the fixing column and the positioning boss are both provided with reinforcing ribs.

[0009] At the same time, a casting mold is disclosed, including an upper mold and a lower mold, and the casting mold is used to produce the above-mentioned pizza oven upper cover.

[0010] Preferably, the upper mold is provided with a removable upper mold cavity; the upper mold cavity is provided with a second groove; the shape of the second groove is adapted to the shape of the upper surface of the upper cover body; the second groove is provided with a first boss adapted to the first groove; the upper mold is provided with a removable feed block; the feed block is provided with a feed port.

[0011] Preferably, the lower mold is provided with a detachable lower mold cavity; the lower mold cavity is provided with a second boss; the shape of the second boss is adapted to the shape of the lower surface of the upper cover body; the lower mold cavity and the upper mold cavity are closed to form a molding cavity; the lower mold cavity is provided with a third groove; the first boss cooperates with the third groove to form the first groove of the upper cover body; the lower mold cavity and the lower mold are both provided with a feed flow channel; the feed flow channel is connected to the feed port.

[0012] Preferably, the lower mold cavity is provided with a fourth groove matched with the fixing column, the positioning boss, or the reinforcing rib; the fourth groove is used for forming the fixing column, the positioning boss, or the reinforcing rib.

[0013] Preferably, the lower mold cavity is provided with a plurality of exhaust flow channels; and the upper mold cavity is provided with exhaust grooves adapted to the exhaust flow channels.

[0014] Preferably, the upper mold and the lower mold are both provided with a plurality of cooling pipes.

[0015] Preferably, the lower mold is provided with a fixing plate slidably connected to the lower mold; the fixing plate is provided with a plurality of ejector pins for demoulding; the plurality of ejector pins are distributed on the fourth groove or the exhaust flow channel.

[0016] Compared with the prior art, this solution has the following beneficial effects:

[0017] 1. The pizza oven cover in this case uses the fixing column and positioning boss, so the staff can easily know whether the cover is installed in place, reducing the labor intensity of the staff. Secondly, the fixing column and positioning boss are equipped with reinforcing ribs to increase the structural strength.

[0018] 2. The casting mold of this case has a detachable upper mold cavity in the upper mold and a detachable lower mold cavity in the lower mold. When casting upper covers of different shapes, only the upper mold cavity and the lower mold cavity need to be replaced, and the entire mold does not need to be replaced, thereby reducing processing costs. Secondly, a cooling pipeline is provided to cool the mold during operation and increase the service life of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is a schematic structural diagram of the pizza oven upper cover (top direction) of Example 1;

[0020] Figure 2 This is a schematic structural diagram of the pizza oven upper cover (bottom direction) of Example 1;

[0021] Figure 3 It is a structural schematic diagram of the casting mold of Example 1;

[0022] Figure 4 is an exploded view of the casting mold of Example 1;

[0023] Figure 5 It is a structural schematic diagram of the upper mold of Example 1;

[0024] Figure 6 This is a schematic structural diagram of the lower mold of Example 1. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. The components of the present application implemented as described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Example 1

[0027] refer to Figure 1-2 A pizza oven upper cover comprises an upper cover body 1, the upper cover body 1 is in an arc shape; a plurality of fixing columns 11 are provided on the inner surface of the upper cover body 1; a plurality of positioning bosses 12 are provided on the inner surface of the upper cover body 1; a notch 13 for allowing pizza to enter is provided on the outer periphery of the upper cover body 1; a first groove 14 for installing a thermometer is provided on the upper surface of the upper cover body 1; an arc-shaped groove 15 is provided at the bottom of the upper cover body 1 for matching with the bottom of the peripheral device.

[0028] In this embodiment, the upper cover body 1 is overlapped with one side of the bottom of the peripheral device through the arc groove 15, and then the upper cover body 1 is placed on the base of the peripheral device. The upper cover body 1 can be placed at a preset position of the base of the peripheral device through the positioning boss 12, and then the screws are passed through the base of the peripheral device and screwed into the fixing column 11, thereby fixing the upper cover body 1 and the base of the peripheral device.

[0029] Preferably, the fixing column 11 and the positioning boss 12 are both provided with reinforcing ribs 16 to increase the structural strength of the fixing column 11 and the positioning boss 12 .

[0030] Example 2

[0031] refer to Figure 3-6A casting mold comprises an upper mold 2 and a lower mold 3, and the casting mold is used to produce the above-mentioned pizza oven cover.

[0032] Preferably, the upper mold 2 is provided with a removable upper mold cavity 4; the upper mold cavity 4 is provided with a second groove 41; the shape of the second groove 41 is adapted to the shape of the upper surface of the upper cover body 1; the second groove 41 is provided with a first boss 42 adapted to the first groove 14; the upper mold 2 is provided with a removable feed block 5; the feed block 5 is provided with a feed port 51.

[0033] Preferably, the lower mold 3 is provided with a detachable lower mold cavity 6; the lower mold cavity 6 is provided with a second boss 61; the shape of the second boss 61 is adapted to the shape of the lower surface of the upper cover body 1; the lower mold cavity 6 and the upper mold cavity 4 are closed to form a molding cavity; the lower mold cavity 6 is provided with a third groove 62; the first boss 42 cooperates with the third groove 62 to form the first groove 14 of the upper cover body 1; the lower mold cavity 6 and the lower mold 3 are both provided with a feed channel 63; the feed channel 63 is connected to the feed port 51.

[0034] In this embodiment, the second groove 41 and the second boss 61 are closed to form a first molding cavity for molding the upper cover body 1. The first boss 42 and the second groove 41 are closed to form a second molding cavity for molding the first groove 14. The material enters through the feed port 51 and enters the first molding cavity or the second molding cavity through the feed channel 63.

[0035] Preferably, the lower mold cavity 6 is provided with a fourth groove 64 adapted to the fixing column 11 , the positioning boss 12 , or the reinforcing rib 16 ; the fourth groove 64 is used for forming the fixing column 11 , the positioning boss 12 , or the reinforcing rib 16 .

[0036] In this embodiment, in order to cast the fixing column 11 and the positioning boss 12 in the upper cover body 1, a corresponding fourth groove 64 is set in the lower mold cavity 6, and the material enters the fourth groove 64 through the feed channel 63 and the first molding cavity to form the fixing column 11 and the positioning boss 12.

[0037] Preferably, the lower die cavity 6 is provided with a plurality of exhaust channels 65; the upper die cavity 4 is provided with an exhaust groove 43 adapted to the exhaust channel 65. The exhaust channel 65 can quickly exhaust the gas in the mold to avoid defects such as pore shrinkage in the die casting. The exhaust groove 43 in the upper die cavity 4 is used to connect the exhaust channel 65 on the lower die cavity 6, so that the air in the first molding cavity and the second molding cavity can enter the exhaust channel 65. Moreover, the exhaust groove 43 is a groove with varying depth, and the wall thickness formed at the place connected to the upper cover body 1 is relatively thin, which is convenient for removing the blocks formed by the exhaust channel 65.

[0038] Preferably, the upper mold 2 and the lower mold 3 are both provided with a plurality of cooling pipes 7. During casting, cooling water is passed through the cooling pipes 7 to reduce the overall temperature of the mold, increase the service life of the mold, and also reduce the cooling time of the mold.

[0039] Preferably, the lower mold 3 is provided with a fixing plate 8 slidably connected to the lower mold 3 ; the fixing plate 8 is provided with a plurality of ejector pins 9 for demoulding; the plurality of ejector pins 9 are distributed on the fourth groove 64 or the exhaust flow channel 65 .

[0040] In this embodiment, the ejector pins 9 are distributed on the fourth groove 64 or the exhaust channel 65, and their purpose is to drive the upper cover body 1 to be demolded after the object formed by the fixing column 11, the positioning boss 12 and the exhaust channel 65 is ejected, so as to prevent the object formed by the fixing column 11, the positioning boss 12 and the exhaust channel 65 from breaking on the mold.

[0041] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A pizza oven upper cover, comprising an upper cover body, characterized in that: The upper cover body is in an arc shape; a plurality of fixing columns are provided on the inner surface of the upper cover body; a plurality of positioning bosses are provided on the inner surface of the upper cover body; a notch for allowing pizza to enter is provided on the outer periphery of the upper cover body; a first groove for installing a thermometer is provided on the upper surface of the upper cover body; an arc-shaped groove for cooperating with the bottom of the peripheral device is provided on the bottom of the upper cover body.

2. The pizza oven cover according to claim 1, characterized in that: The fixing column and the positioning boss are both provided with reinforcing ribs.

3. A casting mold, comprising an upper mold and a lower mold, characterized in that: The casting mold is used to produce the pizza oven cover as described in any one of claims 1-2.

4. The casting mold according to claim 3, characterized in that: The upper mold is provided with a removable upper mold cavity; the upper mold cavity is provided with a second groove; the shape of the second groove is adapted to the shape of the upper surface of the upper cover body; the second groove is provided with a first boss adapted to the first groove; the upper mold is provided with a removable feed block; the feed block is provided with a feed port.

5. The casting mold according to claim 4, characterized in that: The lower mold is provided with a detachable lower mold cavity; the lower mold cavity is provided with a second boss; the shape of the second boss is adapted to the shape of the lower surface of the upper cover body; the lower mold cavity and the upper mold cavity are closed to form a molding cavity; the lower mold cavity is provided with a third groove; the first boss cooperates with the third groove to form the first groove of the upper cover body; the lower mold cavity and the lower mold are both provided with a feed flow channel; the feed flow channel is connected to the feed port.

6. The casting mold according to claim 5, characterized in that: The lower mold cavity is provided with a fourth groove matched with the fixing column, the positioning boss, or the reinforcing rib; the fourth groove is used for forming the fixing column, the positioning boss, or the reinforcing rib.

7. The casting mold according to claim 6, characterized in that: The lower mold cavity is provided with a plurality of exhaust flow channels; the upper mold cavity is provided with exhaust grooves matched with the exhaust flow channels.

8. The casting mold according to claim 3, characterized in that: The upper mold and the lower mold are both provided with a plurality of cooling pipes.

9. The casting mold according to claim 7, characterized in that: The lower mold is provided with a fixing plate slidably connected to the lower mold; the fixing plate is provided with a plurality of ejector pins for demoulding, and the plurality of ejector pins are distributed on the fourth groove or the exhaust flow channel.

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