CN218050270U - Pump barrel casting mould for pump assembly - Google Patents

Abstract

The utility model relates to a pump barrel casting mould for pump assembly, it includes: the mold core outer fixing plate is arranged on one side of the mold core outer fixing plate and matched with the inner runner, an upper mold plate fixed on the mold core outer fixing plate, a material blocking column arranged on the slide block assembly, a material guide groove arranged on one side of the material blocking column, an outer feeding column penetrating through the upper mold plate, and an inner feeding column arranged at the bottom of the outer feeding column and sleeved on the material blocking column.

Description

Pump barrel casting mold for pump assembly

Technical Field

The utility model belongs to the technical field of the mould processing, concretely relates to pump barrel casting mould for pump assembly.

Background

The pump assembly is a machine for conveying fluid or pressurizing fluid, which transfers the mechanical energy of a prime mover or other external energy to the liquid to increase the energy of the liquid, and is generally used in the fields of chemical industry, petroleum, mineral products and the like.

During casting, metal materials are injected into the cavity through the feeding port for molding, the conventional feeding port is usually designed for feeding glue in a straight cylinder type from top to bottom, the initial metal materials flow fast in the casting process and reach the bottom of the cavity for cooling molding firstly, so that the metal materials are discontinuous with the subsequent molding part, layering can occur, filling is not full, the yield of the cast pump cylinder finished product is low, and the pump cylinder finished product cannot be normally put into use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pump barrel casting mould for pump assembly in order to overcome prior art not enough.

In order to achieve the purpose, the utility model adopts the technical proposal that: a pump barrel casting mold for a pump assembly, comprising:

the mold core outer fixing plate is arranged on the top of the forming plate relatively, an outer runner is arranged on one side of the mold core outer fixing plate and matched with the inner runner, an upper mold plate is fixed on the mold core outer fixing plate, a material blocking column is arranged on the slide block assembly, a material guide groove is arranged on one side of the material blocking column, an outer feeding column is arranged in the upper mold plate in a penetrating mode, an inner feeding column is arranged at the bottom of the outer feeding column and sleeved on the material blocking column, a feeding notch is arranged at the bottom of the inner feeding column and matched with the material guide groove, a plurality of ejector rods penetrate through the lower mold plate, an outer feeding hole penetrates through the outer feeding column, and an inner feeding hole penetrates through the inner feeding column.

Optimally, the slag ladle furnace further comprises a first slag ladle arranged at the bottom of the outer fixing plate of the mold core, a first exhaust groove connected with the first slag ladle, a second slag ladle arranged on the inner fixing plate of the mold core, a second exhaust groove connected with the second slag ladle, and exhaust block assemblies arranged at two sides of the inner fixing plate of the mold core and connected with the first exhaust groove and the second exhaust groove.

Optimally, the device also comprises a guide sleeve embedded at the top of the lower template, guide posts fixed at the bottom of the upper template and penetrating through the guide sleeve, supporting plates fixed at the bottom of the lower template at intervals and lifting plates connected at the bottoms of the ejector rods.

Preferably, the sliding block assembly comprises two fixing plates fixed on the outer side of the lower template, two cylinder fixing plates fixed on the two fixing plates, a sliding block arranged between the two fixing plates, and a telescopic cylinder fixed on the cylinder fixing plate and connected with the sliding block, the forming plate is fixed with the sliding block, and the material blocking column is fixed at the top of the sliding block.

Optimally, the exhaust block subassembly is including fixing the lower mould exhaust block at lower bolster top, fixing cope match-plate pattern bottom and with the last mould exhaust block that lower mould exhaust block cooperateed and uses and set up the buffering at lower mould exhaust block top ends the chute, first exhaust groove and second exhaust groove with buffering ends the chute and links to each other.

Optimally, the sliding block component is characterized by further comprising a clamping groove formed in the sliding block, a moving rod connected with a telescopic rod of the telescopic cylinder, a probe fixed on the moving rod, and an infrared detector fixed on the cylinder fixing plate and matched with the probe for use at intervals, wherein the telescopic rod of the telescopic cylinder is clamped in the clamping groove.

Preferably, the outer feed opening has the same diameter as the inner feed opening.

Optimally, the number of the guide posts and the guide sleeves is the same.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses pump barrel casting mould for pump subassembly changes current gluey mouth mode of advancing from top to bottom, through setting up outer feeding post, interior feeding post, baffle box and feeding breach, flows to the space of core and die cavity in the shaping by outer runner through the interior runner at last, has reduced the flow rate of initial melting material, guarantees the integrality of material packing, improves the off-the-shelf qualification rate; the slag ladle and the exhaust groove can contain cold metal liquid entering the cavity at first and gas and oxidation impurities mixed in the cold metal liquid, so that the casting quality of a finished product can be improved; through setting up the exhaust block subassembly, extract gas by outside vacuum machine for the mould cavity can form the vacuum in the short time, makes things convenient for the injection of melting material.

Drawings

FIG. 1 is a schematic structural view of a pump barrel of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a top view of the present invention;

FIG. 5 is a schematic structural view of the present invention with the upper mold plate removed;

FIG. 6 is a schematic structural view of the present invention with the core outer fixing plate removed;

FIG. 7 is a schematic view of the structure of FIG. 6 from another angle according to the present invention;

FIG. 8 is a diagram showing the positional relationship between the inner feed column and the material blocking column of the present invention;

fig. 9 is a cross-sectional view of the present invention in fig. 8;

fig. 10 is a schematic structural view of the inner feeding column of the present invention;

fig. 11 is a schematic structural view of the inner feed column of the present invention at another angle;

fig. 12 is a schematic structural view of the material blocking column of the present invention;

fig. 13 is a schematic structural view of the slide block assembly of the present invention;

fig. 14 is a front view of the slider assembly of the present invention;

fig. 15 is a schematic structural view of the core outer fixing plate of the present invention;

fig. 16 is a schematic structural view of the outer core fixing plate according to another angle of the present invention;

fig. 17 is a schematic structural view of the exhaust block assembly of the present invention;

FIG. 18 is a schematic structural view of the lower mold exhaust block of the present invention;

FIG. 19 is a diagram showing the positional relationship between the lower mold plate and the inner core retainer plate of the present invention;

FIG. 20 is a schematic structural view of the fixing plate in the core of the present invention;

fig. 21 is a bottom structure diagram of the present invention;

FIG. 22 is a diagram showing the positional relationship between the lifting plate and the lower template according to the present invention;

description of the reference numerals:

1. a support plate; 2. a lower template; 3. mounting a template; 4. guide posts, 5 and guide sleeves; 6. a lifting plate; 7. a top rod; 8. fixing grooves; 9. an outer feed column; 10. an outer feed port; 11. an inner feed column; 12. an inner feed inlet; 13. a feeding gap; 14. blocking the material column; 15. a material guide chute; 16. a core outer fixing plate; 17. a core fixing hole; 18. a first slag ladle; 19. a first exhaust groove; 20. an outer flow passage; 21. forming a plate; 22. an inner flow passage; 23. a core; 24. a core inner fixing plate; 25. a cavity; 26. a second slag ladle; 27. a second exhaust groove;

28. a slider assembly; 281. a guide plate; 282. a slider; 283. a card slot; 284. a fixing plate; 285. a cylinder fixing plate; 286. a telescopic cylinder; 287. a travel bar; 288. a probe; 289. an infrared detector;

29. an exhaust block assembly; 291. an upper die exhaust block; 292. a lower die exhaust block; 293. buffering chute.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

As shown in fig. 2-4, it is the structural schematic diagram of the pump barrel casting mold for pump assembly of the present invention, it includes a supporting plate 1, a lower template 2, an upper template 3, a guide post 4, a guide sleeve 5, a lifting plate 6, a push rod 7, a fixing groove 8, an outer feeding post 9, an outer feeding port 10, an inner feeding post 11, an inner feeding port 12, a feeding gap 13, a material blocking post 14, a material guiding groove 15, a core outer fixing plate 16, a core fixing hole 17, a first slag ladle 18, a first exhaust groove 19, an outer runner 20, a forming plate 21, an inner runner 22, a core 23, a core inner fixing plate 24, a cavity 25, a second slag ladle 26, a second exhaust groove 27, a slider assembly 28 and an exhaust block assembly 29.

Wherein, backup pad 1 has two, and they interval is fixed on the product processing board (backup pad 1 is fixed on the product processing board through the welded mode, and backup pad 1 mainly plays the effect of supporting a whole set of mould, therefore the material of backup pad 1 chooses high performance cold-rolled steel for use). The lower bolster 2 is fixed at two backup pads 1 tops (being equipped with many cooling water routes in the lower bolster 2 through screw fastening's mode, and after the casting was accomplished, the cooling water route can make fashioned product cool off fast, shortens the shaping cycle). The core inner retainer plate 24 is fixed in the lower mold plate 2 (the core inner retainer plate 24 is flush with the upper surface of the lower mold plate 2, as shown in fig. 19, which is a positional relationship diagram of the core inner retainer plate 24 and the lower mold plate 2). As shown in fig. 20, which is a schematic view of the structure of the core inner fixing plate 24, the cavity 25 is opened in the core inner fixing plate 24 (the cavity 25 is used for placing the outer core 23, because the product to be molded is cylindrical, the outer molten material finally flows into the gap between the core 23 and the cavity 25 for molding; in this embodiment, the upper surface of the core 23 is higher than the upper surface of the core inner fixing plate 24). The second slag ladle 26 is arranged on the core inner fixing plate 24, and the second exhaust groove 27 is connected to the second slag ladle 26 (the second slag ladle 26 is used for accommodating cold metal liquid which enters the cavity 25 at first and gas and oxidation impurities mixed in the cold metal liquid, so that the casting quality of finished products can be improved).

The two molding plates 21 are oppositely arranged on the top of the lower mold plate 2 and are matched with the mold core 23 (the opposite sides of the two molding plates 21 are in a semicircular shape and are clamped on the outer side of the mold core 23 for molding the top of a product; in the embodiment, the inner side of one molding plate 21 is provided with an inner flow passage 22, and external molten materials flow into a gap between the mold core 23 and the mold cavity 25 through the inner flow passage 22 on the molding plate 21). The sliding block assemblies 28 are arranged on two sides of the mold core 23 and connected with the forming plate 21, and are used for driving the forming plate 21 to move, so that subsequent mold opening is facilitated. As shown in fig. 13 and 14, the structure of the slide block assembly 28 is schematically illustrated, and it includes a guide plate 281, a slide block 282, a card slot 283, a fixing plate 284, a cylinder fixing plate 285, a telescopic cylinder 286, a moving rod 287, a probe 288, and an infrared detector 289. The guide plate 281 is provided with two guide plates 281, which are fixed on the top of the lower template 2 at intervals (the two sides of the lower template 2 are provided with grooves, and the guide plates 281 are fixed on the two sides of the grooves in a screw fastening mode). The slider 282 is disposed between the two guide plates 281 (one side of the slider 282 is fixed to the forming plate 21). The fixing plate 284 is two, and they are fixed on one side of the lower template 2 at intervals (the fixing plate 284 and the guide plate 281 are located on the same side of the lower template 2, and are fixed by means of screw fastening). The cylinder fixing plate 285 is fixed in one side that lower bolster 2 was kept away from to two fixed plates 284, and telescopic cylinder 286 runs through cylinder fixing plate 285 for drive slider 282 and remove (draw-in groove 283 has been seted up in one side that is close to telescopic cylinder 286 to slider 282, and telescopic cylinder 286's cylinder body is fixed on cylinder fixing plate 285, and the tip card of telescopic cylinder 286's guide bar is established in draw-in groove 283, under telescopic cylinder 286's drive, slider 282 and forming plate 21 synchronous motion). The moving rod 287 is connected to a telescopic rod of the telescopic cylinder 286 and moves synchronously with the movement of the telescopic rod. The probe 288 is fixed on the moving rod 287, and two infrared detectors 289 are provided, which are fixed on the top of the cylinder fixing plate 285 at intervals and are used in cooperation with the probe 288 (when the moving rod 287 moves, the probe 288 fixed on the moving rod 287 moves synchronously, and the infrared detectors 289 are used for detecting the position of the probe 288, thereby reflecting the advancing position of the slide 282).

The core outer fixing plate 16 is disposed on top of the molding plate 21 and fixed to the core 23, as shown in fig. 15 and 16, which are schematic structural views of the core outer fixing plate 16, and the core fixing hole 17 is opened on the core outer fixing plate 16 (the core 23 passes through the core fixing hole 17 and is fixed to the core outer fixing plate 16; in this embodiment, the upper surface of the core 23 is in the same plane as the upper surface of the core outer fixing plate 16). The first slag ladle 18 is arranged at the bottom of the outer fixed plate 16 of the mold core, and the first exhaust groove 19 is connected with the first slag ladle 18 (the first slag ladle 18 has the same function as the second slag ladle 26, and the first exhaust groove 19 has the same function as the second exhaust groove 27, which is not described in detail here). The outer runner 20 is arranged at the bottom of the core outer fixing plate 16 and is connected with the inner runner 22 (external molten materials flow into a gap between the core 23 and the cavity 25 through the outer runner 20 and the inner runner 22 to be molded finally, the upper die plate 3 is fixed at the top of the core outer fixing plate 16 (in the casting process, the upper die plate 3 and the lower die plate 2 are matched to mold a product under the action of the molding plate 21, the core inner fixing plate 24 and the core outer fixing plate 16, after the casting is finished, the slider assembly 28 drives the molding plate 21 to move towards two sides, the upper die plate 3 is opened under the driving of external power, and simultaneously drives the core outer fixing plate 16 and the core 23 to be far away from the lower die plate 2), the guide sleeve 5 is embedded at the top of the lower die plate 2, and the guide columns 4 are fixed at the bottom of the upper die plate 3 and penetrate through the guide sleeve 5 (in the matching process of the upper die plate 3 and the lower die plate 2, the guide columns 4 are penetrated in the guide sleeve 5, so as to ensure the accuracy of matching of the upper die plate 3 and the lower die 2 in the embodiment, the number of the guide columns 4 is equal to the number of the guide sleeve 5.

The top at cope match-plate pattern 3 is seted up to fixed slot 8, and outer feeding column 9 is fixed in fixed slot 8, and outer feed inlet 10 is seted up in outer feeding column 9 and is run through cope match-plate pattern 3 (outside fused material flows into inside the mould through outer feed inlet 10). The material blocking column 14 is fixed on the slide 282 and can move synchronously with the slide 282 (as shown in fig. 12, the material blocking column 14 is a schematic structural view, and the material guiding groove 15 is opened at one side of the material blocking column 14 close to the mold core 23). The inner feeding column 11 is sleeved on the material blocking column 14 and connected with the outer feeding column 9 (as shown in fig. 10 and 11, which are schematic structural diagrams of the inner feeding column 11, the inner feeding port 12 penetrates through the inner feeding column 11 for transferring the material of the outer feeding port 10 to the material guide chute 15; in this embodiment, the diameter of the outer feeding port 10 is equal to the diameter of the inner feeding port 12). The feeding gap 13 is formed at the bottom of the inner feeding column 11 and is matched with the material guide groove 15 for use (as shown in fig. 8 and 9, the position relationship between the inner feeding column 11 and the material blocking column 14 is shown, the external molten material is injected from the outer feeding port 10, transited to the material guide groove 15 through the inner feeding port 12, then flows to the outer runner 20 through the feeding gap 13, finally flows into the gap between the mold core 23 and the mold cavity 25 through the inner runner 22 for molding, and when the molten material flows, the flow rate of the initial molten material is reduced by arranging a plurality of runners, the completeness of material filling is ensured, and the qualified rate of finished products is improved).

Two sets of exhaust block assemblies 29 are provided, which are disposed opposite each other on both sides of the core inner fixing plate 24 and are connected to the first exhaust groove 19 and the second exhaust groove 27, as shown in fig. 18, which is a schematic view of the structure of the exhaust block assembly 29, and includes an upper mold exhaust block 291, a lower mold exhaust block 292, and a cushion stop 293. The lower mold exhaust block 292 is fixed on the lower mold plate 2, the upper mold exhaust block 291 is fixed at the bottom of the upper mold plate 3 and is used in cooperation with the lower mold exhaust block 292, the buffer stop groove 293 is arranged at the top of the lower mold exhaust block 292 and is connected with the first exhaust groove 19 and the second exhaust groove 27 (in this embodiment, the outer side of the upper mold exhaust block 291 is in butt joint with a vacuum suction pipe and plays a role of a vacuum exhaust connector from outside to inside, the buffer stop groove 293 is arranged at the top of the lower mold exhaust block 292 and can prevent a metal material flow from being sucked into the vacuum pipe and play a role of buffering and stopping the metal material flow, when the upper mold plate 3 and the lower mold plate 2 are closed, the upper mold exhaust block 291 and the lower mold exhaust block 292 are combined to form a vacuum exhaust valve for exhausting gas outwards, the inner side of the buffer stop groove 293 is connected with the first exhaust groove 19 and the second exhaust groove 27, the outer side of the buffer stop groove 293 is connected with the vacuum suction pipe, and then the gas is extracted by a vacuum machine, so that a mold cavity can form a vacuum in the inside and is convenient for injecting molten material.

Lifting plate 6 sets up between two backup pads 1 with the liftable, ejector pin 7 one end is fixed at lifting plate 6, the other end runs through lower bolster 2 (lifting plate 6 realizes going up and down under the drive of outside lift cylinder, lift cylinder is not shown in the figure, ejector pin 7 has many, wherein in second sediment package 26 is arranged in to some ejector pin 7, buffering stagnant flow groove 293 is arranged in to some ejector pin 7, still ejector pin 7 runs through die cavity 25, under lifting plate 6's drive, with second sediment package 26, the waste material in buffering stagnant flow groove 293 together ejecting with the casting product).

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (8)

1. A pump barrel casting mold for a pump assembly, comprising:

the mold core forming device comprises a lower template (2), a mold core inner fixing plate (24) fixed in the lower template (2), a mold cavity (25) arranged at the top of the mold core inner fixing plate (24), a mold core (23) arranged in the mold cavity (25), a forming plate (21) which is arranged at the top of the lower template (2) relatively and matched with the mold core (23), an inner runner (22) arranged at the inner side of the forming plate (21), sliding block assemblies (28) fixed at two sides of the lower template (2) and used for driving the forming plate (21) to move, a mold core outer fixing plate (16) arranged at the top of the forming plate (21) and fixed with the mold core (23) an outer runner (20) which is arranged at one side of the core outer fixing plate (16) and is matched with the inner runner (22), an upper template (3) which is fixed on the core outer fixing plate (16), a material blocking column (14) which is arranged on the sliding block component (28), a material guide groove (15) which is arranged at one side of the material blocking column (14), an outer feeding column (9) which is arranged in the upper template (3) in a penetrating way, an inner feeding column (11) which is arranged at the bottom of the outer feeding column (9) and is sleeved on the material blocking column (14), a feeding notch (13) which is arranged at the bottom of the inner feeding column (11) and is matched with the material guide groove (15), A plurality of ejector rods (7) penetrating through the lower template (2), an outer feed port (10) penetrating through the outer feed column (9), and an inner feed port (12) penetrating through the inner feed column (11).

2. The pump barrel casting mold for a pump assembly of claim 1, wherein: the slag ladle structure is characterized by further comprising a first slag ladle (18) arranged at the bottom of the outer core fixing plate (16), a first exhaust groove (19) connected with the first slag ladle (18), a second slag ladle (26) arranged on the inner core fixing plate (24), a second exhaust groove (27) connected with the second slag ladle (26), and exhaust block assemblies (29) arranged on two sides of the inner core fixing plate (24) and connected with the first exhaust groove (19) and the second exhaust groove (27).

3. The pump barrel casting mold for a pump assembly of claim 1, wherein: the die is characterized by further comprising a guide sleeve (5) embedded at the top of the lower template (2), a guide column (4) fixed at the bottom of the upper template (3) and penetrating through the guide sleeve (5), a support plate (1) fixed at the bottom of the lower template (2) at intervals and a lifting plate (6) connected to the bottom of the ejector rod (7).

4. The pump barrel casting mold for a pump assembly of claim 1, wherein: the sliding block assembly (28) comprises two fixing plates (284) fixed on the outer side of the lower template (2), cylinder fixing plates (285) fixed on the two fixing plates (284), a sliding block (282) arranged between the two fixing plates (284), and a telescopic cylinder (286) fixed on the cylinder fixing plates (285) and connected with the sliding block (282), the forming plate (21) is fixed with the sliding block (282), and the material blocking column (14) is fixed to the top of the sliding block (282).

5. The pump barrel casting mold for a pump assembly of claim 2, wherein: exhaust block subassembly (29) is including fixing lower mould exhaust block (292) at lower bolster (2) top, fix cope match-plate pattern (3) bottom and with last mould exhaust block (291) that lower mould exhaust block (292) cooperatees and use and set up buffer stagnant groove (293) at lower mould exhaust block (292) top, first exhaust groove (19) and second exhaust groove (27) with buffer stagnant groove (293) link to each other.

6. The pump barrel casting mold for a pump assembly of claim 4, wherein: the sliding block assembly (28) further comprises a clamping groove (283) formed in the sliding block (282), a moving rod (287) connected with an expansion rod of the telescopic cylinder (286), a probe (288) fixed on the moving rod (287), and an infrared detector (289) which is fixed on the cylinder fixing plate (285) at intervals and used in cooperation with the probe (288), wherein the expansion rod of the telescopic cylinder (286) is clamped in the clamping groove (283).

7. The pump barrel casting mold for a pump assembly of claim 1, wherein: the diameter of the outer feed inlet (10) is the same as that of the inner feed inlet (12).

8. A pump barrel casting mold for a pump assembly according to claim 3, wherein: the number of the guide posts (4) is the same as that of the guide sleeves (5).

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