A mold positioning mechanism and a pressurized forming mold for metallurgical powder

Abstract

The utility model relates to the technical field of metallurgical powder forming dies, specifically to a die positioning mechanism and a pressurized forming die for metallurgical powder, the die positioning mechanism comprising: an upper die, a lower die arranged below the upper die, four evenly distributed positioning rods arranged at the four corners of the lower end face of the upper die, a fixing groove opened at the lower part of the positioning rod, the fixing groove runs through the entire positioning rod, a positioning groove is opened at the upper end face of the lower die, a movable plate is arranged at the upper end face of the positioning groove, and a semicircular extrusion ring is arranged at the lower part of the movable plate; the beneficial effect is: the new die positioning mechanism proposed by the utility model, when positioning, places the die into a larger positioning groove and then slides the movable plate to finally realize the positioning of the die, and there is no need to move the die for multiple positioning, this process is relatively convenient and time-consuming, and the efficiency of positioning is improved, and at the same time, after the positioning is completed, the movable plate can fix the positioning rod, thereby enhancing the positioning effect and ensuring the processing effect.

Description

Technical Field

[0001] The utility model relates to the field of metallurgical powder forming dies, in particular to a die positioning mechanism and a pressurized forming die for metallurgical powder. Background Art

[0002] Powder metallurgy molds are special molds used to manufacture powder metallurgy parts. They need to meet the characteristics of high precision, good stability, and long life. The manufacture of powder metallurgy molds requires the use of high-precision machine tools, processing tools, and precision measuring equipment, and strict quality control and management;

[0003] Today's powder metallurgy molds are usually positioned using positioning rods. During positioning, the mold is heavy and the positioning rod is not easy to insert into the positioning groove. Multiple positioning operations are required to complete the process. This process is cumbersome and time-consuming, which reduces the efficiency of positioning. At the same time, when the positioning is completed, the subsequent work may be affected due to unstable positioning, reducing the processing effect. Utility Model Content

[0004] The utility model aims to provide a mold positioning mechanism and a pressurized forming mold for metallurgical powder to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a mold positioning mechanism, the mold positioning mechanism comprising:

[0006] An upper mold, a lower mold is arranged below the upper mold, four evenly distributed positioning rods are arranged at the four corners of the lower end surface of the upper mold, a fixing groove is opened at the lower part of the positioning rod, and the fixing groove runs through the entire positioning rod, a positioning groove is opened on the upper end surface of the lower mold, a movable plate is arranged on the upper end surface of the positioning groove, a semicircular extrusion ring is arranged at the lower part of the movable plate, and the semicircular extrusion ring is arranged on the upper end surface of the lower mold.

[0007] Preferably, sliders are provided on both sides of the movable plate, and a slide groove is provided on both sides of the positioning groove.

[0008] The movable plate slides in the sliding groove formed in the positioning groove.

[0009] Preferably, a groove is opened in the middle of the movable plate corresponding to the positioning rod, and placement grooves are opened on both sides of the inside of the movable plate. A No. 2 spring is set on the left end face of the placement groove, and the other end of the No. 2 spring is connected to the fixed block. Moving grooves are opened on both sides of the placement groove, and the moving grooves correspond to the protrusions, and the left and right end faces of the moving groove do not reach the left and right end faces of the placement groove.

[0010] Preferably, the fixed block is arranged inside the placement groove, the fixed block corresponds to the fixed groove, the left part of the fixed block is triangular, and protrusions are arranged on both sides of the right part of the placement groove, the protrusions correspond to the movable groove, and the protrusions slide within the limited range of the movable groove.

[0011] Preferably, a limiting groove is provided on the upper end surface of the lower mold, and semicircular extrusion rings are arranged on both sides of the limiting groove. A holding rack is provided on the left part of the semicircular extrusion ring on the left side, and a plurality of evenly distributed No. 1 springs are provided on the upper end surface of the holding rack, and the other end surface of the No. 1 spring is connected to the limiting block.

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

[0013] The new mold positioning mechanism proposed by the utility model places the mold into a larger positioning groove during positioning and then slides the movable plate to finally realize the positioning of the mold. There is no need to move the mold for multiple positioning. This process is relatively convenient and time-saving, which improves the efficiency of positioning. At the same time, after the positioning is completed, the movable plate can fix the positioning rod, thereby enhancing the positioning effect and ensuring the processing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the positioning device in the utility model;

[0016] Figure 3 It is a side view of the positioning device in the utility model;

[0017] Figure 4 for Figure 2 A schematic diagram of the enlarged structure in the middle.

[0018] In the figure: 1 upper mold, 2 positioning rod, 3 fixed groove, 4 positioning groove, 5 lower mold, 6 moving plate, 7

[0019] Limit block, 8 No. 1 spring, 9 containing frame, 10 semicircular extrusion ring, 11 limit groove, 12 slider, 13 fixed block, 14 convex block, 15 placement groove, 16 No. 2 spring, 17 moving groove. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit 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.

[0021] Embodiment 1

[0022] See also Figure 1-Figure 4 The utility model provides a technical solution: a mold positioning mechanism, the mold positioning mechanism includes:

[0023] An upper mold 1 is provided with a lower mold 5 below the upper mold 1. Four evenly distributed positioning rods 2 are provided at the four corners of the lower end surface of the upper mold 1. A fixing groove 3 is provided at the lower part of the positioning rod 2. The fixing groove 3 runs through the entire positioning rod 2. A positioning groove 4 is provided on the upper end surface of the lower mold 5. A movable plate 6 is provided on the upper end surface of the positioning groove 4. A semicircular extrusion ring 10 is provided at the lower part of the movable plate 6. The semicircular extrusion ring 10 is provided on the upper end surface of the lower mold 5.

[0024] Embodiment 2

[0025] On the basis of embodiment 1, sliders 12 are provided on both sides of the movable plate 6, and a slide groove is opened on both sides of the positioning groove 4. The movable plate 6 slides in the slide groove opened in the positioning groove 4. The slider 12 can drive the movable plate 6 to slide within the limited range of the slide groove, so as to achieve the effect of inserting the positioning rod 2 into the positioning groove 4 with less effort.

[0026] Embodiment 3

[0027] On the basis of the second embodiment, a groove is provided in the middle of the movable plate 6 corresponding to the positioning rod 2, and placement grooves 15 are provided on both sides of the inside of the movable plate 6. A No. 2 spring 16 is provided on the left end face of the placement groove 15, and the other end of the No. 2 spring 16 is connected to the fixed block 13. Moving grooves 17 are provided on both sides of the placement groove 15, and the moving groove 17 corresponds to the protrusion 14. The left and right end faces of the moving groove 17 do not reach the left and right end faces of the placement groove 15. The placement groove 15 can provide a placement position for the fixed block 13, and the No. 2 spring 16 can apply an elastic force to the fixed block 13 so that the fixed block 13 can be inserted into the fixed groove 3, and the moving groove 17 can provide a sliding place for the protrusion 14.

[0028] Embodiment 4

[0029] On the basis of embodiment three, the fixed block 13 is arranged inside the placement groove 15, the fixed block 13 corresponds to the fixed groove 3, the left part of the fixed block 13 is triangular, and protrusions 14 are arranged on both sides of the right part of the placement groove 15, the protrusions 14 correspond to the movable groove 17, and the protrusions 14 slide within the limited range of the movable groove 17. The sliding of the protrusions 14 within the limited range of the movable groove 17 can prevent the fixed block 13 from detaching from the placement groove 15, and the triangular part of the fixed block 13 can be squeezed by the positioning rod 2 and retracted into the placement groove 15.

[0030] Embodiment 5

[0031] On the basis of embodiment 4, a limiting groove 11 is provided on the upper end face of the lower mold 5, and semicircular extrusion rings 10 are arranged on both sides of the limiting groove 11. The left part of the left semicircular extrusion ring 10 is provided with a holding rack 9, and the upper end face of the holding rack 9 is provided with a plurality of evenly distributed No. 1 springs 8, and the other end face of the No. 1 spring 8 is connected to the limiting block 7. By inserting the positioning rod into the limiting groove 11, the semicircular extrusion ring 10 on the left is squeezed to move to the left, so that the movable plate 6 loses the restriction on the limiting block 7, so that the No. 1 spring 8 pops out the limiting block 7, thereby limiting the movable plate 6.

[0032] In actual use, the slider 12 can drive the movable plate 6 to slide within the limited range of the slide slot, so as to achieve the effect of inserting the positioning rod 2 into the positioning slot 4 with effortless effort. The placement slot 15 can provide a placement position for the fixed block 13, and the No. 2 spring 16 can apply an elastic force to the fixed block 13 so that the fixed block 13 can be inserted into the fixed slot 3. The movable slot 17 can provide a sliding place for the protrusion 14. The positioning rod is inserted into the limit slot 11 to squeeze the semicircular extrusion ring 10 on the left side to move to the left, so that the movable plate 6 can lose the restriction on the limit block 7, so that the No. 1 spring 8 can pop out the limit block 7 to limit the movable plate 6.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold positioning mechanism, characterized in that: The mold positioning mechanism comprises: an upper mold (1), a lower mold (5) is arranged below the upper mold (1), four evenly distributed positioning rods (2) are arranged at the four corners of the lower end surface of the upper mold (1), a fixing groove (3) is opened at the lower part of the positioning rod (2), and the fixing groove (3) runs through the entire positioning rod (2), a positioning groove (4) is opened at the upper end surface of the lower mold (5), a movable plate (6) is arranged at the upper end surface of the positioning groove (4), and a semicircular extrusion ring (10) is arranged at the lower part of the movable plate (6), and the semicircular extrusion ring (10) is arranged on the upper end surface of the lower mold (5).

2. A mold positioning mechanism according to claim 1, characterized in that: Slide blocks (12) are provided on both sides of the movable plate (6), and a sliding groove is provided on both sides of the positioning groove (4), and the movable plate (6) slides in the sliding groove provided in the positioning groove (4).

3. A mold positioning mechanism according to claim 2, characterized in that: A groove is provided in the middle of the movable plate (6) and corresponds to the positioning rod (2). Placement grooves (15) are provided on both sides of the inside of the movable plate (6). A No. 2 spring (16) is provided on the left end face of the placement groove (15). The other end of the No. 2 spring (16) is connected to the fixed block (13). Moving grooves (17) are provided on both sides of the placement groove (15). The moving grooves (17) correspond to the protrusions (14). The left and right end faces of the moving groove (17) do not reach the left and right end faces of the placement groove (15).

4. A mold positioning mechanism according to claim 3, characterized in that: The fixed block (13) is arranged inside the placement groove (15), the fixed block (13) corresponds to the fixed groove (3), the left part of the fixed block (13) is triangular, and the right part of the placement groove (15) is provided with protrusions (14) on both sides, the protrusions (14) correspond to the movable groove (17), and the protrusions (14) slide within the limited range of the movable groove (17).

5. A mold positioning mechanism according to claim 1, characterized in that: The upper end surface of the lower mold (5) is provided with a limiting groove (11), and semicircular extrusion rings (10) are arranged on both sides of the limiting groove (11). The left part of the left semicircular extrusion ring (10) is provided with a holding rack (9), and the upper end surface of the holding rack (9) is provided with a plurality of evenly distributed No. 1 springs (8), and the other end surface of the No. 1 spring (8) is connected to the limiting block (7).

6. A pressurized forming die for metallurgical powder, characterized in that: A mold positioning mechanism as described in any one of claims 1 to 4 is used.

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