Pressing plate vertical line pouring mold

Abstract

The utility model discloses a pressure plate vertical line pouring mold, and belongs to the technical field of pressure plate pouring molds. Comprising a tractor pressure plate casting mold, a pouring system is arranged on one side of the tractor pressure plate casting mold, the pouring system comprises a transverse pouring gate and a vertical pouring gate, the vertical pouring gate is located at the lower end of the transverse pouring gate, a pouring cup is arranged above one end of the transverse pouring gate, and a reverse pouring gate is connected to the side, close to the tractor pressure plate casting mold, of the vertical pouring gate. The inverted pouring gate comprises a first inverted pouring gate, a second inverted pouring gate and a third inverted pouring gate, and the first inverted pouring gate is connected with the tractor pressure plate casting mold through a side riser. The utility model solves the problems in the prior art that the riser is not easy to fully fill, the hot feeding effect is general, the casting system cannot effectively improve the appearance defect of the surface of a casting and the product quality is influenced when the casting mould is used for casting, the casting process adopts the side cylindrical riser for feeding, the riser is easier to fully fill, and the hot feeding is carried out under better static pressure.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pressure disc pouring mold technical field, concretely to a pressure disc vertical line pouring mold. BACKGROUND

[0002] The pressure disc is usually formed by casting, and the traditional gray cast iron pressure disc casting has the problem that the pouring system solidifies before the casting, so that the solidification shrinkage of the casting cannot be compensated, resulting in shrinkage cavity defects. In the prior art, the compensation of the shrinkage cavity part of the gray cast iron pressure disc is usually realized by providing a riser in the sprue. The Chinese patent with the publication number CN220278222U discloses a gray cast iron pressure disc pouring structure: by appropriately increasing the cross-sectional area of the cross sprue, the speed of the casting liquid flowing into the pressure disc mold is reduced, and the scouring force of the casting liquid is reduced, so that the filling is more stable, and the elimination of the sand flushing defects of the casting is facilitated. The cross sprue not only acts as a sprue but also realizes the compensation of the casting, so that the last solidification part of the casting is located in the cross sprue, which is beneficial to the elimination of the shrinkage cavity defects of the casting, and the utilization rate of the material is not reduced.

[0003] However, the prior art has the following defects:

[0004] The existing pouring mold has the problem that the riser is not easy to fill during pouring, the thermal compensation effect is general, and the pouring system cannot effectively improve the surface appearance defects of the casting, thereby affecting the product quality. UTILITY MODEL CONTENT

[0005] The utility model discloses a pressure disc vertical line pouring mold, and the pouring process adopts side surface cylindrical riser compensation, so that the riser is more easy to fill, and better static pressure is used for thermal compensation, thereby solving the problems in the prior art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a pressure disc vertical line pouring mold, comprising a tractor pressure disc mold, one side of the tractor pressure disc mold is provided with a pouring system, the pouring system comprises a cross sprue and a vertical sprue, the vertical sprue is located at the lower end of the cross sprue, a pouring basin is arranged above one end of the cross sprue, a reverse sprue is connected to one side of the vertical sprue close to the tractor pressure disc mold, the reverse sprue comprises a first reverse sprue, a second reverse sprue and a third reverse sprue, the first reverse sprue is connected to the tractor pressure disc mold through a side riser, a separation block is arranged on the side riser, the second reverse sprue and the third reverse sprue are connected to the tractor pressure disc mold through pouring gates, and an overflow riser is arranged at the top of the tractor pressure disc mold.

[0007] Preferably, the pouring basin has an upward opening, and the cross sprue and the vertical sprue are communicated.

[0008] Preferably, the tractor press plate casting is made of gray cast iron.

[0009] Preferably, the sprue is provided in the form of a 3mm sheet.

[0010] Preferably, the side riser has a diameter of 75mm.

[0011] Preferably, the distance between the parting block and the tractor press plate casting is 20-30mm.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1. The vertical line pouring mold of the utility model has the following advantages: the pouring process adopts side cylindrical riser feeding, the riser is easier to fill, and better static pressure is used for feeding, the internal x-ray flaw detection of the casting has no shrinkage, and the feeding effect of the riser is remarkable; and the highest point of the casting is provided with overflow riser for discharging cold iron, and the formation of edge carbide is reduced.

[0014] 2. The vertical line pouring mold of the utility model has the following advantages: the pouring system is provided with three reverse lap joints, and the surface appearance defects of the casting are effectively improved; and since the product body is relatively thick, the pouring system is provided with a φ75 side feeding cylindrical riser for feeding, and the static pressure is relatively strong, and the tendency of internal shrinkage of the casting is significantly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a tractor press plate casting structure schematic view of the utility model.

[0017] In the drawing: 1, tractor press plate casting mold; 2, sprue cup; 3, horizontal gate; 4, vertical gate; 5, side riser; 6, parting block; 7, reverse lap gate; 8, sprue; 9, overflow riser; 701, first reverse lap gate; 702, second reverse lap gate; 703, third reverse lap gate. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] In order to solve the technical problems of the prior art that the riser is not easy to fill when pouring, the hot feeding effect is general, and the pouring system cannot effectively improve the surface appearance defects of the casting, affecting the product quality, please refer to Figs. 1-2 , the following technical scheme is provided:

[0020] In this embodiment, a vertical pouring mold for a tractor disc is provided, which comprises a tractor disc casting mold 1, a pouring system is arranged on one side of the tractor disc casting mold 1, the pouring system comprises a cross runner 3 and a vertical runner 4, the vertical runner 4 is located at the lower end of the cross runner 3, a sprue cup 2 is arranged above one end of the cross runner 3, the sprue cup 2 receives the molten metal poured from a ladle, and the function is to guide the liquid metal poured from the ladle into a straight runner, the cross runner 3 is directly connected with the sprue cup 2, the end of the straight runner is connected with a connecting channel in front of the inner gate, and the effect of slag blocking is obvious, the vertical runner 4 is a channel for the molten iron before entering the cavity, and the vertical runner 4 is connected with a reverse gating channel 7 close to one side of the tractor disc casting mold 1, the reverse gating channel 7 is used to slow down the flow rate of the molten iron, reduce the pressure of the molten iron, and block slag, the reverse gating channel 7 comprises a first reverse gating channel 701, a second reverse gating channel 702 and a third reverse gating channel 703, the first reverse gating channel 701 is connected with the tractor disc casting mold 1 through a side riser 5, the hot riser stores the molten iron for feeding the casting, the side riser 5 is provided with a separation block 6, the second reverse gating channel 702 and the third reverse gating channel 703 are both connected with the tractor disc casting mold 1 through a gate 8, and the top of the tractor disc casting mold 1 is provided with an overflow riser 9, the overflow riser 9 is used to reduce the formation of carbide at the joint of the casting and to discharge cold molten iron.

[0021] The opening of the sprue cup 2 faces upward, and the cross runner 3 communicates with the vertical runner 4.

[0022] The tractor disc casting mold 1 is internally provided with a tractor disc casting, the tractor disc casting is made of gray cast iron, and the main body of the tractor disc casting has a wall thickness of 26 mm, since the main body of the casting is relatively thick, a side feeding cylindrical riser with a diameter of 75 mm is arranged for feeding, and the static pressure is relatively strong, and the tendency of internal shrinkage porosity of the casting is significantly reduced.

[0023] The gate 8 is arranged in the form of a 3mm thin sheet, and functions as a slag filter, which is the last channel for the molten iron to enter the cavity.

[0024] The distance between the separation block 6 and the tractor disc casting is 20-30mm, so that the separation tongs can be inserted to separate the riser and the casting.

[0025] Working principle: when using, melt the casting liquid from the opening of the pouring cup 2 into the pouring cup 2, then flow into the horizontal runner 3 from the bottom of the pouring cup 2, and then flow into the vertical runner 4, because the flow area increases significantly, the flow rate of the casting liquid is significantly reduced, the casting liquid flows through the reverse lap runner 7 and enters the tractor press plate casting mold 1 at a low flow rate, until the entire cavity in the tractor press plate casting mold 1 is filled, the casting begins to solidify, the side riser 5 and the overflow riser 9 during the solidification process perform feeding to the casting, until the casting is completed and shaped.

[0026] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application.

Claims

1. A casting mold for a pressure plate vertical line, comprising a tractor pressure plate mold (1), characterized in that: A gating system is provided on one side of the tractor pressure plate mold (1). The gating system includes a horizontal runner (3) and a vertical runner (4). The vertical runner (4) is located at the lower end of the horizontal runner (3). A pouring cup (2) is provided above one end of the horizontal runner (3). A reverse runner (7) is connected to the side of the vertical runner (4) near the tractor pressure plate mold (1). The reverse runner (7) includes a first reverse runner (701), a second reverse runner (702), and a third reverse runner (703). The first reverse runner (701) is connected to the tractor pressure plate mold (1) through a side riser (5). A separation block (6) is provided on the side riser (5). The second reverse runner (702) and the third reverse runner (703) are both connected to the tractor pressure plate mold (1) through a gate (8). An overflow riser (9) is provided at the top of the tractor pressure plate mold (1).

2. The vertical line casting mold for a pressure plate according to claim 1, characterized in that: The opening of the pouring cup (2) faces upward, and the horizontal runner (3) is connected to the vertical runner (4).

3. The vertical line casting mold for a pressure plate according to claim 1, characterized in that: The tractor pressure plate mold (1) contains a tractor pressure plate casting, which is made of gray cast iron.

4. The vertical line casting mold for a pressure plate according to claim 1, characterized in that: The gate (8) is set as a 3mm thin sheet.

5. The vertical line casting mold for a pressure plate according to claim 1, characterized in that: The diameter of the side riser (5) is 75 mm.

6. A vertical line casting mold for a pressure plate according to claim 3, characterized in that: The distance between the separating block (6) and the tractor pressure plate casting is 20-30mm.

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