Casting mold structure capable of preventing casting defects

Abstract

The utility model discloses a casting mold structure capable of preventing casting defects, and relates to the technical field of casting molds, and the casting mold structure comprises a shell, a mold body is arranged in the shell, and one side face of the shell is connected with a vibration unit. According to the structure, through cooperation of a driving gear, a connecting gear, a sector gear, a rack, a connecting rod and an impact block, casting liquid in the forming base can be conveniently vibrated, the conditions of bubbles and incomplete shapes are prevented, the casting machining quality is improved, and the production efficiency is improved. And through cooperation of an adjusting block, a limiting block, a fixing pin, the forming base, an inserting groove and a pin hole, rapid disassembly and assembly between the forming base and the lower die base and between the forming base and the upper die base can be facilitated, and when a damaged die is replaced through the split type die body, the replacement cost can be reduced, the casting quality can be guaranteed, and the influence of the damaged die on workpiece forming is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of casting moulds, in particular to a casting mould structure capable of preventing casting defects. Background Art

[0002] The casting mold can carry and cool the casting liquid through the molding mold seat to obtain a workpiece of the required shape, which places high requirements on the production quality of the casting mold. For example, a Chinese patent discloses a casting mold for preventing casting defects (Announcement No. CN218361926U). Although the casting mold can prevent bubbles or incomplete problems in the molding mold, during casting, due to the repeated use of the casting mold, the inner wall of the molding mold will be damaged due to wear and tear, and the cost of replacing the entire mold is high, which increases the cost of casting processing. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a casting mold structure which can prevent casting defects and solves the problem of high replacement cost after the molding mold is damaged.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a casting mold structure capable of preventing casting defects, comprising a shell, a mold body is arranged inside the shell, and a vibration unit is connected to one side of the shell;

[0005] The mold body includes a lower mold base and an upper mold base, the inner side walls of the lower mold base and the upper mold base are connected to a forming seat, a forming cavity is provided on the surface of the forming seat, two side surfaces of the forming seat are connected to two guide blocks, the inner side walls of the lower mold base and the upper mold base are provided with guide grooves corresponding to the sliding paths of the guide blocks, and the inner side walls of the lower mold base and the upper mold base are provided with two adjustment seats.

[0006] As a further technical solution of the utility model, the vibration unit includes a base plate, the surface of the base plate is connected to a driving gear, the outer surface of the driving gear is connected to two connecting gears, the end faces of the two connecting gears are connected to fan gears, and a rack is connected between the two fan gears.

[0007] As a further technical solution of the utility model, a sliding rod is connected to the inner bottom side of the adjustment seat, an adjustment block is connected to the inner side wall of the adjustment seat and the outer surface of the sliding rod, a connecting spring is connected to the outer surface of the sliding rod and the bottom surface of the adjustment block, and limiting plates are connected to the inner side wall of the adjustment seat and both sides of the adjustment block, and two fixing pins are connected to one side of the two limiting plates.

[0008] As a further technical solution of the utility model, slots are provided on both side surfaces of the forming seat corresponding to the sliding path of the adjustment seat, notches are provided on the inner side wall of the adjustment seat corresponding to the sliding path of the limit plate, adjustment slots are provided on the inner side wall of the adjustment seat corresponding to the sliding path of the adjustment block, and pin holes are provided on the inner side wall of the slot corresponding to the fixing pin.

[0009] As a further technical solution of the utility model, connecting rods are connected to both ends of the rack, sliding grooves are provided on the surface of the base plate corresponding to the sliding path of the connecting rods, and impact blocks are connected to one end of the two connecting rods and on both sides of the shell.

[0010] As a further technical solution of the utility model, the inner diameter of the shell is adapted to the outer diameters of the lower die seat and the upper die seat, the inner diameter of the guide groove is adapted to the sliding path of the guide block, the inner diameter of the slot is adapted to the sliding path of the adjustment seat, and the inner diameter of the pin hole is adapted to the outer diameter of the fixing pin.

[0011] As a further technical solution of the utility model, the driving gear is meshed with two connecting gears, the sector gear is connected to the driving gear through the connecting gears, and the impact block is connected to the rack through a connecting rod.

[0012] Beneficial Effects

[0013] The utility model provides a casting mold structure that can prevent casting defects. Compared with the prior art, it has the following beneficial effects:

[0014] A casting mold structure capable of preventing casting defects can conveniently vibrate the casting liquid in a molding seat through the cooperation between a driving gear, a connecting gear, a fan-shaped gear, a rack, a connecting rod and an impact block, thereby preventing bubbles and incomplete shapes from occurring and improving the quality of the casting process.

[0015] A casting mold structure that can prevent casting defects. Through the cooperation between the adjusting block, the limiting block and the fixing pin and the forming seat, the slot and the pin hole, the rapid disassembly and assembly between the forming seat and the lower mold seat and the upper mold seat can be facilitated. The split mold body can reduce the replacement cost when replacing a damaged mold, ensure the casting quality, and prevent the influence of the damaged mold on the forming of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of a casting mold structure capable of preventing casting defects;

[0017] Figure 2 A front view of a casting mold structure capable of preventing casting defects;

[0018] Figure 3 A schematic diagram of the exploded structure of a casting mold structure capable of preventing casting defects;

[0019] Figure 4 The present invention is a schematic diagram of the exploded structure of a mold body of a casting mold structure that can prevent casting defects.

[0020] In the figure: 1. shell; 2. mold body; 21. lower mold base; 22. upper mold base; 23. molding base; 24. molding cavity; 25. guide block; 26. guide groove; 27. adjustment base; 28. slide bar; 29. ​​limit plate; 201. adjustment block; 202. connecting spring; 203. fixing pin; 204. slot; 205. pin hole; 206. adjustment groove; 3. vibration unit; 31. bottom plate; 32. driving gear; 33. connecting gear; 34. fan gear; 35. rack; 36. connecting rod; 37. impact block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution for a casting mold structure capable of preventing casting defects: a casting mold structure capable of preventing casting defects, comprising a shell 1, a mold body 2 is arranged inside the shell 1, a vibration unit 3 is connected to one side of the shell 1, the mold body 2 comprises a lower mold base 21 and an upper mold base 22, the inner side walls of the lower mold base 21 and the upper mold base 22 are connected with a molding base 23, a molding cavity 24 is provided on the surface of the molding base 23, two guide blocks 25 are connected to the two side surfaces of the molding base 23, guide grooves 26 are provided on the inner side walls of the lower mold base 21 and the upper mold base 22 at positions corresponding to the sliding paths of the guide blocks 25, and two adjustment seats 27 are provided on the inner side walls of the lower mold base 21 and the upper mold base 22.

[0023] like Figure 1-3As shown, the vibration unit 3 includes a base plate 31, a driving gear 32 is connected to the surface of the base plate 31, and two connecting gears 33 are connected to the outer surface of the driving gear 32. The end faces of the two connecting gears 33 are connected to fan gears 34, a rack 35 is connected between the two fan gears 34, and connecting rods 36 are connected to both ends of the rack 35. A sliding groove is provided at the surface of the base plate 31 corresponding to the sliding path of the connecting rod 36, and one end of the two connecting rods 36 and located on both sides of the shell 1 are connected to impact blocks 37, the driving gear 32 is meshed with the two connecting gears 33, the fan gear 34 is connected to the driving gear 32 through the connecting gear 33, and the impact block 37 is connected to the rack 35 through the connecting rod 36. It should be noted that the driving gear 32 can drive the reciprocating linear motion of the rack 35 and the connecting rod 36 through the two connecting gears 33 and the fan gear 34, so that the two impact blocks 37 can impact the shell 1, so that the bubbles in the molding seat 23 are vibrated out, thereby improving the casting quality.

[0024] like Figure 3-4 As shown, the inner bottom side of the adjusting seat 27 is connected with a slide bar 28, the inner side wall of the adjusting seat 27 and the outer surface of the slide bar 28 are connected with an adjusting block 201, the outer surface of the slide bar 28 and the bottom surface of the adjusting block 201 are connected with a connecting spring 202, the inner side wall of the adjusting seat 27 and the two sides of the adjusting block 201 are connected with limit plates 29, one side of the two limit plates 29 are connected with two fixing pins 203, slots 204 are provided on both sides of the forming seat 23 corresponding to the sliding path of the adjusting seat 27, notches are provided on the inner side wall of the adjusting seat 27 and the corresponding sliding path of the limit plate 29, and adjustment grooves are provided on the inner side wall of the adjusting seat 27 and the corresponding sliding path of the adjusting block 201 206, a pin hole 205 is provided on the inner side wall of the slot 204 corresponding to the fixing pin 203, the inner diameter of the shell 1 is matched with the outer diameter of the lower die seat 21 and the upper die seat 22, the inner diameter of the guide groove 26 is matched with the sliding path of the guide block 25, the inner diameter of the slot 204 is matched with the sliding path of the adjustment seat 27, the inner diameter of the pin hole 205 is matched with the outer diameter of the fixing pin 203. It should be noted that the sliding of the adjustment block 201 on the outer surface of the slide rod 28 can make the two limit plates 29 shrink inward, and the fixing pin 203 is separated from the pin hole 205, so as to facilitate the disassembly and assembly between the forming seat 23 and the upper die seat 22 and the lower die seat 21, and to facilitate the replacement and maintenance of the forming seat 23.

[0025] Working principle of the utility model: when in use, the adjusting block 201 is pressed downward along the outer surface of the slide bar 28 and the inner side wall of the adjusting seat 27, and the connecting spring 202 is squeezed, so that the adjusting block 201 slides to the bottom surface of the two limiting plates 29, and then the two limiting plates 29 are slid inward, so that the fixing pin 203 connected to the side of the limiting plate 29 is separated from the pin hole 205 on the inner side wall of the slot 204, and then the forming seat 23 is taken out from the lower die seat 21 and the upper die seat 22, and the forming seat 23 can be replaced;

[0026] Start the driving gear 32, and the rotation of the driving gear 32 drives the synchronous rotation of the two connecting gears 33, so that the two sector gears 34 also rotate at a uniform speed. As the sector gear 34 engages with the rack 35, the connecting rod 36 and the two impact blocks 37 are driven to slide and impact repeatedly on both sides of the shell 1, so as to vibrate out the bubbles in the forming seat 23 to prevent the workpiece from having an incomplete forming shape.

Claims

1. A casting mold structure capable of preventing casting defects, comprising a housing (1), characterized in that: A mold body (2) is arranged inside the shell (1), and a vibration unit (3) is connected to one side of the shell (1); The mold body (2) comprises a lower mold base (21) and an upper mold base (22); the inner side walls of the lower mold base (21) and the upper mold base (22) are connected to a molding base (23); a molding cavity (24) is provided on the surface of the molding base (23); two side surfaces of the molding base (23) are connected to two guide blocks (25); the inner side walls of the lower mold base (21) and the upper mold base (22) are provided with guide grooves (26) at positions corresponding to the sliding paths of the guide blocks (25); and the inner side walls of the lower mold base (21) and the upper mold base (22) are provided with two adjustment seats (27).

2. A casting mold structure capable of preventing casting defects according to claim 1, characterized in that: The vibration unit (3) comprises a bottom plate (31), the surface of the bottom plate (31) being connected to a driving gear (32), the outer surface of the driving gear (32) being connected to two connecting gears (33), the end surfaces of the two connecting gears (33) being connected to sector gears (34), and a rack (35) being connected between the two sector gears (34).

3. A casting mold structure capable of preventing casting defects according to claim 1, characterized in that: The inner bottom side of the adjustment seat (27) is connected to a slide bar (28); the inner side wall of the adjustment seat (27) and the outer surface of the slide bar (28) are connected to an adjustment block (201); the outer surface of the slide bar (28) and the bottom surface of the adjustment block (201) are connected to a connecting spring (202); the inner side wall of the adjustment seat (27) and both sides of the adjustment block (201) are connected to limit plates (29); and one side of each of the two limit plates (29) is connected to two fixing pins (203).

4. A casting mold structure capable of preventing casting defects according to claim 3, characterized in that: Slots (204) are provided on both sides of the molding seat (23) at locations corresponding to the sliding path of the adjustment seat (27), notches are provided on the inner side wall of the adjustment seat (27) at locations corresponding to the sliding path of the limit plate (29), an adjustment slot (206) is provided on the inner side wall of the adjustment seat (27) at locations corresponding to the sliding path of the adjustment block (201), and a pin hole (205) is provided on the inner side wall of the slot (204) at locations corresponding to the fixing pin (203).

5. A casting mold structure capable of preventing casting defects according to claim 2, characterized in that: Both ends of the rack (35) are connected to connecting rods (36), a sliding groove is provided on the surface of the bottom plate (31) at a position corresponding to the sliding path of the connecting rod (36), and one end of the two connecting rods (36) and located on both sides of the housing (1) are connected to impact blocks (37).

6. A casting mold structure capable of preventing casting defects according to claim 4, characterized in that: The inner diameter of the housing (1) matches the outer diameter of the lower die seat (21) and the upper die seat (22); the inner diameter of the guide groove (26) matches the sliding path of the guide block (25); the inner diameter of the slot (204) matches the sliding path of the adjustment seat (27); and the inner diameter of the pin hole (205) matches the outer diameter of the fixing pin (203).

7. A casting mold structure capable of preventing casting defects according to claim 5, characterized in that: The driving gear (32) is meshed with two connecting gears (33), the sector gear (34) is connected to the driving gear (32) via the connecting gears (33), and the impact block (37) is connected to the rack (35) via a connecting rod (36).

Images