Positioning device for die assembly of precision steel casting die-casting die

Abstract

The utility model discloses a positioning device for die assembly of a precision steel casting die-casting die. The positioning device comprises a supporting frame. A lower mold is arranged on one side of the supporting frame, a first positioning rod is arranged on one side of the supporting frame, a contraction plate is arranged on one side of the first positioning rod, and a limiting frame is arranged on one side of the contraction plate; wherein a lower rack is arranged on the other side of the contraction plate, a gear is arranged on one side of the lower rack, and an upper rack is arranged on the other side of the gear; a top plate is arranged on one side of the upper rack, a second positioning rod is arranged on one side of the top plate, an upper die is arranged at the bottom of the top plate, the upper rack drives the lower rack to ascend through a gear, the position between the upper die and the lower die is conveniently and rapidly positioned through the limiting frame, accurate die assembly of the die-casting die is promoted, and the limiting frame is stable in structure and high in practicability. Therefore, the service life of the limiting frame is long, the practicability of the die-casting die is higher, shielding of the outer side of the die-casting die is reduced conveniently, and a casting can be taken out conveniently.

Description

Technical Field

[0001] The utility model relates to the field of die-casting molds, in particular to a positioning device for closing a die-casting mold for precision steel castings. Background Art

[0002] The metallurgical manufacturing of steel castings has strong adaptability and variability. Different chemical compositions and organizational controls can be selected to meet the requirements of various projects. Die-casting molds are a tool for casting metal parts, so precision steel castings are often processed through die-casting molds.

[0003] Publication No. CN217666329U discloses an auxiliary positioning device for die casting mold installation, including a fixed frame and a positioning mechanism arranged in the fixed frame, wherein a first fixed plate is fixedly connected inside the fixed frame, a mold installation through hole is provided in the center of the first fixed plate, and a lower die casting mold is fixedly connected in the mold installation through hole. In order to improve the convenience of the device, when the die casting mold is used, the motor is started, and the output end of the motor drives the connecting rod fixed to it to rotate, and the connecting rod drives the chain wound therewith to gradually move downward, and at the same time, the chain drives the upper die casting mold to gradually move downward through the mounting block, thereby facilitating the processing of parts and greatly improving the convenience. However, the patent still has the following problems in actual use:

[0004] The die-casting mold adjusts the separation and closing of the upper mold and the lower mold by setting a chain, a telescopic rod and a spring. However, when the device is used for a long time, the chain, the telescopic rod and the spring are prone to loosening, resulting in low mold closing accuracy between the upper mold and the lower mold, and thus low precision of the casting. In addition, when the device is used, the die-casting mold needs to be wrapped in the middle of the fixed frame, so it is difficult to quickly take out the casting during use, resulting in poor practicality of the device.

[0005] A positioning device for closing a die-casting mold for precision steel castings is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a positioning device for closing a die-casting mold for precision cast steel parts, so as to solve the problem raised in the above background technology that the current die-casting mold adjusts the separation and closing of the upper mold and the lower mold by setting a chain, a telescopic rod and a spring, but when the device is used for a long time, the chain, the telescopic rod and the spring are prone to loosening, resulting in a low accuracy of closing the upper mold and the lower mold, and thus resulting in a low accuracy of the casting, and the device needs to wrap the die-casting mold in the middle of a fixed frame when in use, so it is difficult to quickly take out the casting during use, resulting in the problem of poor practicality of the device.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for closing a die-casting mold for precision steel castings, comprising a support frame;

[0008] A cylinder is arranged above the support frame;

[0009] Also includes:

[0010] A lower mold is provided on one side of the support frame, a positioning rod 1 is provided on one side of the support frame, a shrinking plate is provided on one side of the positioning rod 1, and a limiting frame is provided on one side of the shrinking plate;

[0011] Wherein, a lower rack is arranged on the other side of the retracting plate, a gear is arranged on one side of the lower rack, and an upper rack is arranged on the other side of the gear;

[0012] Among them, a top plate is arranged on one side of the upper rack, a second positioning rod is arranged on one side of the top plate, a side plate is arranged on one side of the second positioning rod, and an upper mold is arranged on the bottom of the top plate.

[0013] Preferably, the middle of the top of the support frame is fixedly connected to the lower mold, and a shrinkage groove is opened in the middle of the support frame, and a positioning rod 1 is fixedly connected to the middle of the shrinkage groove, and one side of the positioning rod 1 is slidably connected to the positioning groove, and a shrinkage plate is provided on one side of the positioning groove, and one side of the top of the shrinkage plate is fixedly connected to the limiting frame, and one side of the limiting frame is slidably connected to the limiting groove, which is convenient for fixing the limiting frame.

[0014] Preferably, one side of the lower rack is meshedly connected with a gear, and one end of the gear is rotatably connected to a support plate, and an upper rack is provided on the other side of the gear to facilitate controlling the movement of the retracting plate.

[0015] Preferably, one side of the top plate is slidably connected to a second positioning rod, the top end of the second positioning rod is fixedly connected to a side plate, and the bottom of the top plate is fixedly connected to an upper mold, so as to facilitate the positioning of the top plate.

[0016] Preferably, the limiting groove is provided on a side of the support frame close to the lower mold, and one side of the limiting frame passes through the limiting groove and is slidably connected to the outer side of the lower mold, so as to facilitate the stable rising of the limiting frame.

[0017] Preferably, the bottom of the lower rack is fixedly connected to one side of the top surface of the retracting plate, and one end of the support plate is fixedly connected to one side of the side plate, and the top of the upper rack is fixedly connected to one side of the bottom of the top plate, so as to facilitate the positioning of the gear.

[0018] Preferably, the top end of the top plate is fixedly connected to the bottom surface of the upper end of the side plate through a cylinder, and one end of the top plate is slidably connected to one side of the second positioning rod, and the second positioning rod is fixedly connected in the middle of the side plate and the support frame, so as to facilitate the positioning of the side plate to the upper mold.

[0019] Compared with the prior art, the beneficial effects of the utility model are as follows: the positioning device for die-casting molds for precision steel castings is convenient for the upper rack to drive the lower rack to rise through the gear when the top plate is lowered, so that the position limit frame can be quickly positioned between the upper mold and the lower mold, so as to promote the precise mold closing of the die-casting mold, and the structure of the limit frame is stable, so that the service life of the limit frame is longer, so that the practicality of the die-casting mold is stronger, and it is convenient to reduce the obstruction of the outer side of the die-casting mold, so as to facilitate the removal of the casting, so that the practicality of the die-casting mold is stronger, and its specific contents are as follows:

[0020] 1. The die-casting mold clamping positioning device is convenient for positioning the upper mold once by setting the positioning rod 1, and by setting the positioning rod 1, the shrinking plate, the limit frame, the lower rack, the gear and the upper gear, when the top plate is lowered, the upper rack drives the lower rack to rise through the gear, so that the limit frame can be quickly positioned between the upper mold and the lower mold, so as to promote the precise clamping of the die-casting mold, and the structure of the limit frame is stable, so that the service life of the limit frame is longer, so that the practicality of the die-casting mold is stronger;

[0021] 2. The positioning device is configured by arranging a cylinder and two positioning rods at the upper end of the upper mold, and a limit frame at the outer side of the lower mold, and arranging the upper rack, gear and lower rack on one side of the upper mold and the lower mold, so as to reduce the obstruction of the outer side of the die-casting mold, thereby facilitating the removal of the casting, thereby making the die-casting mold more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the shrinkage plate structure of the utility model;

[0025] Figure 4 This is a top view of the support frame structure of the utility model;

[0026] Figure 5 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0027] In the figure: 1. support frame; 2. lower mold; 3. shrinkage groove; 4. positioning rod one; 5. shrinkage plate; 6. positioning groove; 7. limit frame; 8. limit groove; 9. lower rack; 10. gear; 11. support plate; 12. upper rack; 13. top plate; 14. positioning rod two; 15. side plate; 16. cylinder; 17. upper mold. DETAILED DESCRIPTION

[0028] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0029] See also Figure 1-5 The utility model provides a technical solution: a positioning device for die-casting molds for precision castings, comprising a support frame 1; a cylinder 16 is arranged above the support frame 1; and further comprising: a lower mold 2 is arranged on one side of the support frame 1, and a positioning rod 4 is arranged on one side of the support frame 1, and a shrinkage plate 5 is arranged on one side of the positioning rod 4, and a limiting frame 7 is arranged on one side of the shrinkage plate 5; the middle of the top of the support frame 1 is fixedly connected to the lower mold 2, and a shrinkage groove 3 is opened in the middle of the support frame 1, and a positioning rod 4 is fixedly connected to the middle of the shrinkage groove 3, and a positioning groove 6 is slidably connected to one side of the positioning rod 4, and a shrinkage plate 5 is arranged on one side of the positioning groove 6, and one side of the shrinkage plate 5 is fixedly connected to the limiting frame 7 on the top of the shrinkage plate 5, and one side of the limiting frame 7 is slidably connected to the limiting groove 8; the limiting groove 8 is opened on one side of the support frame 1 close to the lower mold 2, and one side of the limiting frame 7 passes through the limiting groove 8 and is slidably connected to the outer side of the lower mold 2, such as Figure 1 , 2 As shown in Figures 3 and 4, a sliding rod is provided at the lower end of the limit frame 7, and the upper end of the limit frame 7 is arranged in a ring shape, so that when the limit frame 7 rises, the lower mold 2 and the upper mold 17 can be quickly and accurately aligned, and the arrangement of the positioning rod 4 facilitates the positioning of the shrinkage plate 5 through the positioning rod 4, thereby enhancing the stability of the limit frame 7 when in use, thereby making the die-casting mold more accurate.

[0030] Among them, a lower rack 9 is provided on the other side of the retracting plate 5, and a gear 10 is provided on one side of the lower rack 9, and an upper rack 12 is provided on the other side of the gear 10; one side of the lower rack 9 is meshedly connected with the gear 10, and one end of the gear 10 is rotatably connected to the support plate 11, and the other side of the gear 10 is provided with an upper rack 12; the bottom of the lower rack 9 is fixedly connected to one side of the top surface of the retracting plate 5, and one end of the support plate 11 is fixedly connected to one side of the side plate 15, and the top end of the upper rack 12 is fixedly connected to one side of the bottom of the top plate 13, as shown in FIG. Figure 1 , 2 As shown in , 4 and 5, by setting the upper rack 12, the gear 10 and the lower rack 9, it is convenient to control the rise of the shrink plate 5 when the top plate 13 descends, and it is convenient to improve the rapid closing of the upper mold 17 and the lower mold 2, so that the die-casting mold is more convenient and quick to use.

[0031] Among them, a top plate 13 is provided on one side of the upper rack 12, and a positioning rod 14 is provided on one side of the top plate 13, and a side plate 15 is provided on one side of the positioning rod 14, and an upper mold 17 is provided on the bottom of the top plate 13; one side of the top plate 13 is slidably connected with the positioning rod 14, and the top end of the positioning rod 14 is fixedly connected with the side plate 15, and the bottom of the top plate 13 is fixedly connected with the upper mold 17; the top end of the top plate 13 is fixedly connected to the bottom surface of the upper end of the side plate 15 through the cylinder 16, and one end of the top plate 13 is slidably connected to one side of the positioning rod 14, and the positioning rod 14 is fixedly connected in the middle of the side plate 15 and the support frame 1, as shown in FIG. Figure 1 , 2 As shown, by setting the positioning rod 14, it is convenient to limit the position of the upper mold 17, thereby enhancing the stability of the descent of the top plate 13, and the setting of the side plate 15 avoids supporting one side of the upper mold 17 and the lower mold 2, and avoids blocking the side of the die-casting mold, thereby facilitating the rapid removal of the casting, making the die-casting mold more practical.

[0032] Working principle: When using the positioning device for die-casting mold clamping, first, the cylinder 16 on one side of the side plate 15 is controlled to extend, so that the cylinder 16 pushes the top plate 13 to slide on the side of the positioning rod 14.

[0033] Secondly, the top plate 13 pushes the upper rack 12 down and pushes the gear 10 in the middle of the support plate 11 to rotate, and then the other side of the gear 10 drives the lower rack 9 to rise, so that the shrinkage plate 5 slides in the shrinkage groove 3 in the middle of the support frame 1. At this time, the shrinkage plate 5 drives the limit frame 7 to rise on the positioning rod 4 through the positioning groove 6, and then the limit frame 7 slides and rises in the limit groove 8 to guide the upper mold 17.

[0034] Finally, the upper mold 17 and the lower mold 2 are precisely molded together.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A positioning device for closing a die-casting mold for precision steel castings, comprising a support frame (1); A cylinder (16) is arranged above the support frame (1); It is characterized in that Also includes: A lower mold (2) is provided on one side of the support frame (1), a positioning rod (4) is provided on one side of the support frame (1), a shrinking plate (5) is provided on one side of the positioning rod (4), and a limiting frame (7) is provided on one side of the shrinking plate (5); Wherein, a lower rack (9) is arranged on the other side of the retractable plate (5), a gear (10) is arranged on one side of the lower rack (9), and an upper rack (12) is arranged on the other side of the gear (10); A top plate (13) is arranged on one side of the upper rack (12), a second positioning rod (14) is arranged on one side of the top plate (13), a side plate (15) is arranged on one side of the second positioning rod (14), and an upper mold (17) is arranged at the bottom of the top plate (13).

2. A positioning device for die-casting molds for precision steel castings according to claim 1, characterized in that: The middle of the top of the support frame (1) is fixedly connected to the lower mold (2), and a shrinkage groove (3) is provided in the middle of the support frame (1), and a positioning rod (4) is fixedly connected to the middle of the shrinkage groove (3), and one side of the positioning rod (4) is slidably connected to a positioning groove (6), and a shrinkage plate (5) is provided on one side of the positioning groove (6), and one side of the top of the shrinkage plate (5) is fixedly connected to a limiting frame (7), and one side of the limiting frame (7) is slidably connected to the limiting groove (8).

3. A positioning device for closing a die-casting mold for precision steel castings according to claim 1, characterized in that: One side of the lower rack (9) is meshedly connected with a gear (10), one end of the gear (10) is rotatably connected with a support plate (11), and the other side of the gear (10) is provided with an upper rack (12).

4. A positioning device for die-casting mold clamping of precision steel castings according to claim 1, characterized in that: One side of the top plate (13) is slidably connected to a second positioning rod (14), the top end of the second positioning rod (14) is fixedly connected to a side plate (15), and the bottom of the top plate (13) is fixedly connected to an upper mold (17).

5. A positioning device for closing a die-casting mold for precision steel castings according to claim 2, characterized in that: The limiting groove (8) is provided on a side of the support frame (1) close to the lower mold (2), and one side of the limiting frame (7) passes through the limiting groove (8) and is slidably connected to the outer side of the lower mold (2).

6. A positioning device for closing a die-casting mold for precision steel castings according to claim 3, characterized in that: The bottom of the lower rack (9) is fixedly connected to one side of the top surface of the contraction plate (5), one end of the support plate (11) is fixedly connected to one side of the side plate (15), and the top of the upper rack (12) is fixedly connected to one side of the bottom of the top plate (13).

7. A positioning device for closing a die-casting mold for precision steel castings according to claim 4, characterized in that: The top end of the top plate (13) is fixedly connected to the bottom surface of the upper end of the side plate (15) through a cylinder (16), and one end of the top plate (13) is slidably connected to one side of a second positioning rod (14), and the second positioning rod (14) is fixedly connected in the middle of the side plate (15) and the support frame (1).

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