Die-casting die with replaceable die core

Abstract

The utility model relates to the technical field of die-casting dies, and discloses a die-casting die with a replaceable die core. The die-casting die with the replaceable die core comprises an operation table and a clamping block, the bottom end of the operation table is in shaft connection with a driving block, the bottom end of the driving block is fixedly connected with a first tooth cone, the first tooth cone is in meshed connection with a second tooth cone, one side of the second tooth cone is fixedly connected with a driving shaft, and one end of the driving shaft is fixedly connected with a rotary knob. The two sides of the driving block abut against transmission blocks respectively, supports are fixedly connected to the transmission blocks, the upper ends of the supports are fixedly connected with the clamping blocks, the supports are movably connected with the operation table, the two ends of each clamping block are fixedly connected with elastic pieces, and one end of each elastic piece abuts against a clamping block. The second tooth cone is driven to rotate, then the first tooth cone is meshed and driven, the driving block is made to rotate, the transmission blocks on the two sides are pushed to move outwards, the transmission blocks drive the support and the clamping blocks to move outwards, and clamping of the bottom die is released so that the bottom die can be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of die-casting molds, in particular to a die-casting mold with a replaceable mold core. Background Art

[0002] As a liquid die forging casting method, die casting is carried out on a special die forging machine. The basic process includes: the molten metal is first poured into the mold cavity at a low or high speed. The mold has a movable cavity surface, and pressure forging is performed as the molten metal cools.

[0003] In the prior art, when using a die-casting mold, workers need to replace different mold cores according to process requirements. However, the existing replacement method requires the use of tools to loosen and tighten multiple mounting bolts, which is not only time-consuming but also may affect the operator. Utility Model Content

[0004] The purpose of the utility model is to provide a die-casting mold with a replaceable mold core to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a die-casting mold with a replaceable mold core, comprising an operating table and a clamping block, the bottom end of the operating table is axially connected to a driving block, the bottom end of the driving block is fixedly connected to a first tooth cone, the first tooth cone is meshingly connected to a second tooth cone, one side of the second tooth cone is fixedly connected to a driving shaft, one end of the driving shaft is fixedly connected to a knob, two sides of the driving block are respectively abutted against a transmission block, the transmission block is fixedly connected to a bracket, the upper end of the bracket is fixedly connected to the clamping block, and the bracket is movably connected to the operating table.

[0006] Preferably, both ends of the clamping block are fixedly connected to elastic members, and one end of the elastic member abuts against the clamping block.

[0007] Preferably, a positioning block is clamped on the operating table, the upper end of the positioning block is fixedly connected to the bottom mold, and positioning grooves are provided on both sides of the bottom mold.

[0008] Preferably, both ends of the transmission block are connected to the return spring via fasteners.

[0009] Preferably, the upper end of the bottom mold is connected to the upper mold box through a clamping block.

[0010] Preferably, a plurality of support rods are fixedly connected to the operating table, the upper ends of the support rods are threadedly connected to limit blocks, the lower ends of the limit blocks abut against the pressing blocks, and the lower ends of the pressing blocks abut against the upper mold box.

[0011] Preferably, a plurality of legs are fixedly connected to the lower end of the operating table.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] First, the utility model can quickly replace the bottom mold by setting a driving block and a clamping block. When the knob is rotated manually, the driving shaft moves with it, driving the second tooth cone to rotate, and then meshing and driving the first tooth cone to rotate the driving block, pushing the transmission blocks on both sides to move outward, and the transmission block drives the bracket and the clamping block to move outward, loosening the clamping of the bottom mold to replace the bottom mold. After replacement, rotate the knob again, the clamping block moves inward to fit the bottom mold, and the clamping block abuts the positioning groove under the push of the elastic member to enhance the fixing effect. The reset spring pulls the transmission block through elasticity to improve the holding effect.

[0014] Second, the utility model can fix and hold the device by setting a pressing block and an upper mold box. A suitable mold core is placed in the upper mold box by manpower. At this time, a suitable bottom mold is clamped on the operating table through a positioning block. At this time, the upper mold box is clamped to the bottom mold through a clamping block. The limit block is rotated by manpower to push the pressing block to move downward. The pressing block moves downward to abut and press the upper mold box. At this time, injection molding is performed on the device by manpower, thereby improving the mold replacement efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 This is a working schematic diagram of the driving block of the utility model driving the clamping block to move.

[0018] Figure 4 It is a schematic diagram of the structure between the bottom mold and the upper mold box of the utility model.

[0019] Among them: 1. operating table; 2. bottom mold; 3. upper mold box; 4. support rod; 5. limit block; 6. pressure block; 7. clamping block; 8. support leg; 9. driving block; 10. first gear cone; 11. second gear cone; 12. driving shaft; 13. knob; 14. transmission block; 15. bracket; 16. elastic member; 17. clamping block; 18. reset spring; 19. positioning block; 20. clamping block; 21. positioning groove. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4A die-casting mold with a replaceable mold core includes an operating table 1 and a clamping block 7. The bottom end of the operating table 1 is axially connected to a driving block 9. The bottom end of the driving block 9 is fixedly connected to a first gear cone 10. The first gear cone 10 is meshed with a second gear cone 11. One side of the second gear cone 11 is fixedly connected to a driving shaft 12. One end of the driving shaft 12 is fixedly connected to a knob 13. Both sides of the driving block 9 are respectively abutted against a transmission block 14. The transmission block 14 is fixedly connected to a bracket 15. The upper end of the bracket 15 is fixedly connected to the clamping block 7. The bracket 15 is movably connected On the operating table 1, the knob 13 is turned manually, the knob 13 drives the driving shaft 12 to rotate, the driving shaft 12 rotates and drives the second gear cone 11 to rotate, the second gear cone 11 rotates and engages to drive the first gear cone 11 to rotate, the first gear cone 11 rotates and drives the driving block 9 to rotate, the driving block 9 rotates and pushes the transmission blocks 14 on both sides to move outward, the transmission block 14 drives the bracket 15 to move outward, the bracket 15 drives the clamping block 7 to move outward, thereby contacting the clamping of the bottom mold 2, and the bottom mold 2 is replaced.

[0022] Both ends of the clamping block 7 are fixedly connected to the elastic member 16 , one end of the elastic member 16 abuts against the clamping block 17 , and the clamping block 17 is pushed by the elastic member 16 to abut against the positioning groove 21 , thereby improving the fixing effect on the bottom mold 2 .

[0023] The operating table 1 is clamped with a positioning block 19 , the upper end of which is fixedly connected to the bottom mold 2 , and positioning grooves 21 are provided on both sides of the bottom mold 2 , and the bottom mold 2 is fixed by the positioning block 19 clamping with the positioning grooves 21 to abut against them.

[0024] Both ends of the transmission block 14 are connected to the return spring 18 through fasteners. The return spring 18 pulls the transmission block 14 inwardly through its own elasticity, thereby improving the supporting effect of the device.

[0025] The upper end of the bottom mold 2 is clamped to the upper mold box 3 via a clamping block 20 , and the upper mold box 3 and the bottom mold 2 are fixedly clamped via the clamping block 20 .

[0026] A plurality of support rods 4 are fixedly connected to the operating table 1, the upper ends of the support rods 4 are threadedly connected to the limit blocks 5, the lower ends of the limit blocks 5 abut against the pressing blocks 6, and the lower ends of the pressing blocks 6 abut against the upper mold box 3. The limit blocks 5 are rotated manually, thereby pushing the pressing blocks 6 to move downward, and the pressing blocks 6 move downward to abut and press the upper mold box 3. At this time, the device is injected manually, thereby improving the mold replacement efficiency of the device.

[0027] A plurality of legs 8 are fixedly connected to the lower end of the operating platform 1, and the legs 8 support the ground surface to support the device.

[0028] When in use, a suitable mold core is put into the mold box 3 by manpower, and at this time, a suitable bottom mold 2 is clamped on the operating table 1 through the positioning block 19, and the knob 13 is turned by manpower, and the knob 13 drives the driving shaft 12 to rotate, and the rotation of the driving shaft 12 drives the second gear cone 11 to rotate, and the second gear cone 11 rotates when the second gear cone 11 is engaged and drives the first gear cone 11 to rotate, and the first gear cone 11 rotates to drive the driving block 9 to rotate, and the driving block 9 rotates to push the transmission blocks 14 on both sides to move outward, and the transmission block 14 drives the bracket 15 to move outward, and the bracket 15 drives the clamping block 7 to move outward, thereby contacting the clamping of the bottom mold 2, and the bottom mold 2 is replaced. After the bottom mold 2 is replaced, the knob 13 is rotated by manpower, thereby driving the clamping block 7 to move inward and abut against the bottom mold 2. At this time, the clamping block 17 is pushed by the elastic member 16 to abut against the positioning groove 21, thereby improving the fixing effect of the bottom mold 2. At the same time, the return spring 18 pulls the transmission block 14 inward by its own elasticity, thereby improving the holding effect of the device. At this time, the upper mold box 3 is clamped to the bottom mold 2 through the clamping block 20, and the limit block 5 is rotated by manpower to push the pressing block 6 to move downward. The pressing block 6 moves downward to abut and press the upper mold box 3. At this time, the device is injected by manpower, thereby improving the mold replacement efficiency of the device.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A die-casting mold with a replaceable mold core, comprising an operating table (1) and a clamping block (7), characterized in that: The bottom end of the operating table (1) is axially connected to a driving block (9), the bottom end of the driving block (9) is fixedly connected to a first tooth cone (10), the first tooth cone (10) is meshingly connected to a second tooth cone (11), one side of the second tooth cone (11) is fixedly connected to a driving shaft (12), one end of the driving shaft (12) is fixedly connected to a knob (13), both sides of the driving block (9) are respectively abutted against a transmission block (14), a bracket (15) is fixedly connected to the transmission block (14), an upper end of the bracket (15) is fixedly connected to the clamping block (7), and the bracket (15) is movably connected to the operating table (1).

2. A die-casting mold with a replaceable mold core according to claim 1, characterized in that: Both ends of the clamping block (7) are fixedly connected to an elastic member (16), and one end of the elastic member (16) abuts against the clamping block (17).

3. The die-casting mold with replaceable mold core according to claim 1, characterized in that: A positioning block (19) is clamped on the operating table (1), the upper end of the positioning block (19) is fixedly connected to the bottom mold (2), and positioning grooves (21) are provided on both sides of the bottom mold (2).

4. The die-casting mold with replaceable mold core according to claim 1, characterized in that: Both ends of the transmission block (14) are connected to a return spring (18) via fasteners.

5. The die-casting mold with replaceable mold core according to claim 3, characterized in that: The upper end of the bottom mold (2) is clamped to the upper mold box (3) via a clamping block (20).

6. The die-casting mold with replaceable mold core according to claim 1, characterized in that: A plurality of support rods (4) are fixedly connected to the operating table (1); the upper ends of the support rods (4) are threadedly connected to limit blocks (5); the lower ends of the limit blocks (5) abut against a pressing block (6); and the lower ends of the pressing blocks (6) abut against an upper mold box (3).

7. The die-casting mold with replaceable mold core according to claim 1, characterized in that: The lower end of the operating platform (1) is fixedly connected to a plurality of supporting legs (8).

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