Molding machine of sand shooting mechanism

Abstract

The utility model discloses a molding machine of a sand shooting mechanism, and relates to the technical field of molding machines. The sand feeding device comprises a sand cylinder, wherein the upper side of the sand cylinder is connected and communicated with a sand feeding hopper; the annular plate is rotationally matched with the upper side of the sand cylinder, clamping plates are elastically and slidably matched with the upper side of the annular plate, a sliding plate is clamped and matched between one ends of the two clamping plates, fixing rods are fixedly matched with the two ends of the sliding plate, and sliding blocks are elastically and slidably matched with the peripheral sides of the fixing rods; and a scraping plate is fixedly matched with the bottom of the sliding block. According to the sand feeding hopper, the scraping plate is arranged, so that the scraping plate rotates in the sand feeding hopper under the action of the sliding plate, impurities attached to the inner side wall of the sand feeding hopper are cleaned through the outer side wall of the scraping plate, the problem that impurities are attached to the inner side wall of the sand feeding hopper is solved, and the raw material conveying efficiency of the sand feeding hopper is improved; and the raw material processing process is more convenient.

Description

Technical Field

[0001] This utility model belongs to the field of molding machines, specifically, it relates to a sand-shooting mechanism molding machine. Background Technology

[0002] A pressure injection molding machine is a casting device that uses compressed air to evenly inject molding sand into a sand box for pre-compactment, and then applies pressure to compact it. Commonly used types include vertical parting flaskless pressure injection molding machines and horizontal parting flaskless pressure injection molding machines.

[0003] Patent application CN219632538U discloses a sand-shooting mechanism for a molding machine. Paragraph 0044 of the specification describes: The cylinder driving the sand hopper sealing plate is activated, causing the circular hole on the sand hopper sealing plate to move and communicate with the discharge port of the sand inlet hopper. At this time, the molding sand in the sand inlet hopper enters the sand cylinder. Under the action of its own weight and the gas, the molding sand falls towards the sand outlet hopper onto the guide plate. Because the guide plate is a V-shaped plate, the molding sand will be reflected at a certain angle after falling onto its surface, and the molding sand will not fall directly into the sand box. The molding sand enters the sand box through the sand outlet.

[0004] However, in practical applications, the raw materials need to be placed inside the sand cylinder through the sand inlet hopper and processed through the sand cylinder. Since the inner wall of the sand inlet hopper does not have a cleaning structure, it is easy for raw materials to adhere to the inner wall of the sand inlet hopper. If the raw materials adhering to the inner wall of the sand inlet hopper are not cleaned in time, it will affect the efficiency of the sand inlet hopper in conveying raw materials.

[0005] To address these shortcomings, a sand-shooting mechanism molding machine is proposed. Utility Model Content

[0006] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide a sand-shooting mechanism molding machine.

[0007] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0008] A sand-shooting molding machine includes a sand cylinder, the upper side of which is connected to and communicates with a sand inlet hopper;

[0009] A rotating annular plate is fitted on the upper side of the sand cylinder. A retaining plate is elastically and slidably fitted on the upper side of the annular plate. A sliding plate is engaged between one end of the two retaining plates. A fixing rod is fixedly fitted at both ends of the sliding plate. A sliding block is elastically and slidably fitted around the periphery of the fixing rod. A scraper is fixedly fitted at the bottom of the sliding block. The outer side wall of the scraper engages with the inner side wall of the sand inlet hopper.

[0010] Optionally, an annular groove is provided on the upper side of the sand cylinder, and the annular plate is rotatably fitted inside the annular groove. The cross-sections of the annular groove and the annular plate are both T-shaped.

[0011] Optionally, two support plates are fixedly fitted on the upper side of the annular plate, and two guide holes are provided on the upper side of the support plates.

[0012] Optionally, the bottom of the card plate is fixedly fitted with two guide rods, one end of which is slidably fitted inside the guide hole. The upper side of the support plate and the lower side of the card plate are fixedly fitted with two first springs, which are sleeved around the guide rods.

[0013] Optionally, both ends of the sliding plate are provided with slots, one end of the card plate is located inside the slot, and one side of the card plate is provided with a groove.

[0014] Optionally, guide grooves are provided at both ends of the sliding plate, the fixing rod is fixedly fitted inside the guide groove, a through hole is provided on one side of the sliding block, the fixing rod is located inside the through hole, and a second spring is fixedly fitted between one side of the sliding block and the side wall of the guide groove, the second spring being sleeved on the periphery of the fixing rod.

[0015] Optionally, a plurality of brushes are fixedly fitted to the outer side wall of the scraper, and one end of the brushes is fitted to the inner side wall of the sand inlet hopper.

[0016] Optionally, a first air guide pipe and a second air guide pipe located on one side of the first air guide pipe are connected and communicated on one side of the sand cylinder, and a sand discharge hopper is fixedly fitted at the bottom of the sand cylinder, and multiple support feet are fixedly fitted at the bottom of the sand discharge hopper.

[0017] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time:

[0018] The scraper is designed to rotate inside the sand hopper under the action of the sliding plate. The scraper cleans the impurities attached to the inner wall of the sand hopper through the outer wall of the scraper, reducing the problem of impurities attached to the inner wall of the sand hopper, improving the efficiency of the sand hopper in conveying raw materials, and making the raw material processing process more convenient.

[0019] The guide hole is designed so that one end of the guide rod slides inside the guide hole under the action of the clamping plate, and the guide hole guides the sliding direction of the guide rod, reducing the problem of tilting of the guide rod during sliding and improving the stability of the guide rod during sliding.

[0020] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0021] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0022] In the picture:

[0023] Figure 1 This is a three-dimensional structural diagram of an embodiment of the present utility model;

[0024] Figure 2 This is a bottom view of an embodiment of the present invention.

[0025] Figure 3 This is a schematic diagram of an annular plate structure according to an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the scraper structure according to an embodiment of the present invention.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] Sand cylinder 100, sand inlet hopper 101, support foot 102, first air guide pipe 103, second air guide pipe 104, annular groove 105, sand outlet hopper 106, annular plate 200, support plate 201, guide hole 202, guide rod 203, clamping plate 204, first spring 205, groove 206, sliding plate 207, clamping groove 208, guide groove 209, sliding block 210, through hole 211, fixing rod 212, second spring 213, scraper 214.

[0029] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings.

[0031] Please see Figure 1-4 As shown, this embodiment provides a sand-shooting molding machine, including a sand cylinder 100, and a sand inlet hopper 101 connected and communicated to the upper side of the sand cylinder 100.

[0032] A ring plate 200 is rotatably fitted on the upper side of the sand cylinder 100. A retaining plate 204 is elastically and slidably fitted on the upper side of the ring plate 200. A sliding plate 207 is engaged between one end of the two retaining plates 204. A fixing rod 212 is fixedly fitted at both ends of the sliding plate 207. A sliding block 210 is elastically and slidably fitted around the periphery of the fixing rod 212. A scraper 214 is fixedly fitted at the bottom of the sliding block 210. The outer side wall of the scraper 214 engages with the inner side wall of the sand inlet hopper 101.

[0033] Working principle:

[0034] First, slide the clamping plate 204 downwards, then slide the sliding block 210. The sliding block 210 drives the scraper 214 to slide, and places the sliding plate 207 on the upper side of the sand inlet hopper 101. The sliding plate 207 drives the scraper 214 to be placed inside the sand inlet hopper 101. Then release the sliding block 210. Under the action of elasticity, the sliding block 210 drives the scraper 214 to move. The outer wall of the scraper 214 is attached to the inner wall of the sand inlet hopper 101. Then release the clamping plate 204. The clamping plate 204 is reset under the action of elasticity. One end of the clamping plate 204 slides into the interior of the sliding plate 207. Then rotate the clamping plate 204. The clamping plate 204 drives the annular plate 200 to rotate inside the sand cylinder 100. The clamping plate 204 drives the scraper 214 to rotate inside the sand inlet hopper 101 through the sliding plate 207. The outer wall of the scraper 214 cleans the inner wall of the sand inlet hopper 101, reducing the problem of impurities adhering to the inner wall of the sand inlet hopper 101.

[0035] The scraper 214 is designed to rotate inside the sand feed hopper 101 under the action of the sliding plate 207. The scraper 214 cleans the impurities attached to the inner wall of the sand feed hopper 101 through the outer wall of the scraper 214, reducing the problem of impurities attached to the inner wall of the sand feed hopper 101, improving the efficiency of the sand feed hopper 101 in conveying raw materials, and making the raw material processing process more convenient.

[0036] To make the sliding process of the card plate 204 on one side of the support plate 201 more stable in this embodiment, the following improvements are made, such as... Figure 1-4As shown, in this embodiment, the sand cylinder 100 has an annular groove 105 on its upper side, and the annular plate 200 is rotatably fitted inside the annular groove 105. The cross-sections of the annular groove 105 and the annular plate 200 are both T-shaped. Two support plates 201 are fixedly fitted on the upper side of the annular plate 200, and two guide holes 202 are opened on the upper side of the support plates 201. Two guide rods 203 are fixedly fitted on the bottom of the clamping plate 204, and one end of the guide rod 203 is slidably fitted inside the guide hole 202. Two first springs 205 are fixedly fitted between the upper side of the support plate 201 and the lower side of the clamping plate 204. The first springs 205 are sleeved on the periphery of the guide rods 203. Both ends of the sliding plate 207 have slots 208, and one end of the clamping plate 204 is located inside the slot 208. One side of the clamping plate 204 has a slot. The sliding plate 207 has a groove 206, and guide grooves 209 are provided at both ends of the sliding plate 207. The fixed rod 212 is fixedly fitted inside the guide groove 209. A through hole 211 is provided on one side of the sliding block 210, and the fixed rod 212 is located inside the through hole 211. A second spring 213 is fixedly fitted between one side of the sliding block 210 and the side wall of the guide groove 209. The second spring 213 is sleeved on the periphery of the fixed rod 212. Multiple brushes are fixedly fitted on the outer side wall of the scraper 214. One end of the brushes is fitted with the inner side wall of the sand inlet hopper 101. A first air guide pipe 103 and a second air guide pipe 104 located on one side of the first air guide pipe 103 are connected and communicated on one side of the sand cylinder 100. A sand outlet hopper 106 is fixedly fitted at the bottom of the sand cylinder 100, and multiple support feet 102 are fixedly fitted at the bottom of the sand outlet hopper 106.

[0037] In this embodiment, the card plate 204 is first slid downwards. The card plate 204 drives one end of the guide rod 203 to slide inside the guide hole 202 and compress the first spring 205. Then, the sliding block 210 is slid. The sliding block 210 slides on the fixed rod 212 through the through hole 211 and compresses the second spring 213. The sliding block 210 drives the scraper 214 to slide. Then, the sliding plate 207 is placed on the upper side of the sand inlet hopper 101. Then, the sliding block 210 is released. The sliding block 210 returns to its original position under the elastic action of the second spring 213. The sliding block 210 drives the outer wall of the scraper 214 to adhere to the inner wall of the sand inlet hopper 101. Then, the sliding plate 207 is rotated. The sliding plate 207 drives the scraper 214 to rotate inside the sand inlet hopper 101 through the sliding block 210, and cleans the impurities attached to the inner wall of the sand inlet hopper 101 through the outer wall of the scraper 214.

[0038] The guide hole 202 is provided so that one end of the guide rod 203 slides inside the guide hole 202 under the action of the clamping plate 204, and the guide hole 202 guides the sliding direction of the guide rod 203, reducing the problem of tilting of the guide rod 203 during sliding and improving the stability of the guide rod 203 during sliding.

[0039] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.

Claims

1. A sand-shooting molding machine, characterized in that, include: A sand cylinder (100) is connected to and communicates with a sand inlet hopper (101) on its upper side; A rotating annular plate (200) is fitted on the upper side of the sand cylinder (100). A retaining plate (204) is elastically and slidably fitted on the upper side of the annular plate (200). A sliding plate (207) is engaged between one end of the two retaining plates (204). A fixing rod (212) is fixedly fitted at both ends of the sliding plate (207). A sliding block (210) is elastically and slidably fitted on the periphery of the fixing rod (212). A scraper (214) is fixedly fitted at the bottom of the sliding block (210). The outer side wall of the scraper (214) engages with the inner side wall of the sand inlet hopper (101).

2. The sand-shooting molding machine according to claim 1, characterized in that, The upper side of the sand cylinder (100) is provided with an annular groove (105), and the annular plate (200) is rotatably fitted inside the annular groove (105). The cross-sections of the annular groove (105) and the annular plate (200) are both T-shaped.

3. The sand-shooting molding machine according to claim 1, characterized in that, The upper side of the annular plate (200) is fixedly fitted with two support plates (201), and the upper side of the support plates (201) has two guide holes (202).

4. A sand-shooting molding machine according to claim 3, characterized in that, The bottom of the card plate (204) is fixedly fitted with two guide rods (203), one end of the guide rod (203) is slidably fitted inside the guide hole (202), and the upper side of the support plate (201) and the lower side of the card plate (204) are fixedly fitted with two first springs (205), which are sleeved on the periphery of the guide rods (203).

5. A sand-shooting molding machine according to claim 1, characterized in that, The sliding plate (207) has slots (208) at both ends, one end of the card plate (204) is located inside the slot (208), and a groove (206) is provided on one side of the card plate (204).

6. A sand-shooting molding machine according to claim 1, characterized in that, The sliding plate (207) has guide grooves (209) at both ends. The fixing rod (212) is fixedly fitted inside the guide groove (209). The sliding block (210) has a through hole (211) on one side. The fixing rod (212) is located inside the through hole (211). A second spring (213) is fixedly fitted between one side of the sliding block (210) and the side wall of the guide groove (209). The second spring (213) is sleeved on the periphery of the fixing rod (212).

7. A sand-shooting molding machine according to claim 1, characterized in that, The outer side wall of the scraper (214) is fixedly fitted with a plurality of brushes, one end of which is fitted with the inner side wall of the sand feed hopper (101).

8. A sand-shooting molding machine according to claim 1, characterized in that, The sand cylinder (100) is connected to and communicates with a first air guide pipe (103) and a second air guide pipe (104) located on one side of the first air guide pipe (103). The bottom of the sand cylinder (100) is fixedly fitted with a sand discharge hopper (106), and the bottom of the sand discharge hopper (106) is fixedly fitted with multiple support feet (102).

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