Mold core insert positioning structure

Abstract

The utility model relates to the technical field of injection molds, in particular to a mold core insert positioning structure which comprises an upper mold core and a lower mold core assembled below the upper mold core, an insert seat is fixedly mounted at the top of the lower mold core, a plurality of insertion inserts are fixedly mounted in the insert seat, and the top ends of the insertion inserts are sleeved with sleeve seats. A positioning piece is arranged between the sleeve base and the insert base, a guide column is detachably installed at the top end of the sleeve base, and a fixed die base is inserted into the top end of the guide column and penetrates through the interior of the upper die core. A plurality of insertion inserts are inserted into the insert seat, then the sleeve seat is mounted at the top of the insert seat through the positioning piece, so that the positioning is accurate, errors are avoided, the guide column is inserted through the top of the sleeve seat, the fixed mold seat is sleeved outside the guide column, and the fixed mold seat moves downwards along the guide column to be clamped with the sleeve seat; and finally, a positioning groove formed in the outer part of the upper mold core is clamped with a positioning column outside the lower mold core, so that the whole mold core and the insert are positioned and mounted, and the assembly precision is high.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, and in particular to a mold core insert positioning structure. Background Technology

[0002] Mold inserts are components or accessories used in molds to support or reinforce key parts of the mold, thereby enhancing its structural strength, stability, and durability. These inserts are usually fixed in specific locations on the mold, and embedding inserts can also cause problems with mold adjustments and result in dimensional errors.

[0003] In the prior art, such as the patent with publication number CN207757933U, a mold for forming embedded inserts is disclosed, including a fixed template and a movable template connected to a movable template base plate. The fixed template has a fixed mold insert, and the movable template has a movable mold insert. The movable mold insert is composed of an upper first movable mold insert and a lower second movable mold insert. There are protrusions and recesses for positioning at the joint surface of the first and second movable mold inserts. A positioning ring is installed under the movable template base plate, and the positioning ring matches the workpiece table of the forming machine on which the mold is installed.

[0004] The above structure uses the protrusions and recesses between the moving mold inserts for positioning, but it is still prone to errors. During the installation of the mold core and inserts, the positioning between the inserts and the mold core is not accurate enough, resulting in low assembly accuracy. Utility Model Content

[0005] In view of this, the purpose of this utility model is to propose a positioning structure for mold core inserts, so as to solve the problem that the positioning between the inserts and the mold core is not accurate enough during the installation of the mold core and inserts, resulting in low assembly accuracy.

[0006] To achieve the above objectives, this utility model provides a mold core insert positioning structure, including an upper mold core and a lower mold core assembled below the upper mold core. Positioning posts are fixedly installed around the outer periphery of the lower mold core, and positioning grooves matching the positioning posts are opened on the outer periphery of the upper mold core.

[0007] A block seat is fixedly installed on the top of the lower mold core. Several through-hole inserts are fixedly installed inside the block seat. A sleeve is sleeved on the top of the through-hole insert. A positioning element is provided between the sleeve and the block seat.

[0008] The top of the sleeve is detachably fitted with a guide post, and the top of the guide post is inserted into a fixed mold base, which penetrates the interior of the upper mold core.

[0009] Preferably, the positioning element includes positioning strips installed around the top of the insert base, and the positioning strips have groove 1 and groove 2 respectively. The sleeve base has protrusion 1 and protrusion 2 fixedly installed inside, with protrusion 1 matching groove 1 and protrusion 2 matching groove 2.

[0010] Preferably, the size of the first groove is smaller than the size of the second groove.

[0011] Preferably, there are at least four sets of positioning posts, and the height of the positioning posts is greater than the height of the lower mold core.

[0012] Preferably, the socket is further provided with insertion holes corresponding to the inserts, and there are at least two sets of inserts.

[0013] Preferably, the guide post penetrates through the center of the fixed mold base, and the height of the guide post is greater than the height of the fixed mold base.

[0014] Preferably, an annular plate is fixedly installed on the outside of the insert seat, and the annular plate corresponds to the upper mold core.

[0015] The beneficial effects of this utility model are as follows: Several inserts are inserted into the insert base, and then the sleeve is installed on the top of the insert base through the positioning component. The precise positioning avoids errors. The guide post is inserted through the top of the sleeve, and the fixed mold base is sleeved on the outside of the guide post and moves downward along the guide post to engage with the sleeve. Finally, the positioning groove opened on the outside of the upper mold core engages with the positioning post on the outside of the lower mold core, thereby completing the positioning and installation of the entire mold core and inserts with high assembly accuracy. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of the entire utility model;

[0018] Figure 2 This is an exploded view of the insert base and sleeve base of this utility model.

[0019] Figure 3 This utility model Figure 2 Enlarged structural diagram of section A;

[0020] Figure 4 This is a top view of the sleeve structure of this utility model;

[0021] Figure 5 This is a semi-sectional structural diagram of the upper mold core and the lower mold core of this utility model;

[0022] The markings in the diagram are as follows: 1. Upper mold core; 2. Lower mold core; 3. Insert insert; 4. Positioning pin; 5. Positioning groove; 6. Insert base; 7. Sleeve base; 8. Fixed mold base; 9. Guide pin; 10. Positioning strip; 11. Groove one; 12. Groove two; 13. Protrusion one; 14. Protrusion two; 15. Positioning component; 16. Ring plate. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a mold insert positioning structure includes an upper mold insert 1 and a lower mold insert 2 assembled below the upper mold insert 1. Positioning posts 4 are fixedly installed around the outer periphery of the lower mold insert 2, and positioning grooves 5 that match the positioning posts 4 are opened on the outer periphery of the upper mold insert 1.

[0025] A block seat 6 is fixedly installed on the top of the lower mold core 2. Several through inserts 3 are fixedly installed inside the block seat 6. A sleeve 7 is sleeved on the top of the through insert 3. A positioning element 15 is provided between the sleeve 7 and the block seat 6.

[0026] The top of the sleeve 7 is detachably fitted with a guide post 9, and the top of the guide post 9 is inserted with a fixed mold base 8, which penetrates the interior of the upper mold core 1.

[0027] In this embodiment, the insert base 6 is first installed on the lower mold core 2, and several through inserts 3 are inserted into the insert base 6. Then, the sleeve 7 is installed on the top of the insert base 6 through the positioning element 15 to ensure precise positioning and avoid errors. The guide post 9 is inserted through the top of the sleeve 7, and the fixed mold base 8 is sleeved on the outside of the guide post 9 and moves downward along the guide post 9 to engage with the sleeve 7. Finally, the positioning groove 5 opened on the outside of the upper mold core 1 engages with the positioning post 4 on the outside of the lower mold core 2, thereby completing the positioning and installation of the entire mold core and inserts, which is precise and efficient.

[0028] As one implementation method, such as Figure 2 and Figure 3 As shown, the positioning component 15 includes positioning strips 10 installed around the top of the insert base 6. The positioning strips 10 have grooves 11 and 12 respectively. The sleeve base 7 has protrusions 13 and 14 fixedly installed inside. Protrusions 13 match grooves 11 and 14 match grooves 12.

[0029] Among them, the size of groove 11 is smaller than the size of groove 2 12.

[0030] In this embodiment, when the sleeve 7 and the insert 6 are installed, the sleeve 7 is kept downward and corresponding to the insert 6 until the first protrusion 13 and the second protrusion 14 of the sleeve 7 are engaged in the groove 11 and the second groove 12 opened on the external positioning strip 10 of the insert 6 to complete the positioning.

[0031] By utilizing the uneven distribution of groove 11 and groove 12, assembly errors are reduced, and the stability of the insert in the insert base 6 is increased. At the same time, the size of groove 11 is smaller than that of groove 12. Groove 11 is used for coarse positioning, while groove 12 is used for fine adjustment and to ensure accuracy, thereby ensuring the engagement and positioning between the sleeve base 7 and the insert base 6.

[0032] As one implementation method, such as Figure 1 As shown, there are at least four sets of positioning pins 4, and the height of the positioning pins 4 is greater than the height of the lower mold core 2.

[0033] In this embodiment, since the height of the positioning post 4 is higher than the height of the lower mold core 2, when the upper mold core 1 and the lower mold core 2 are engaged, the positioning groove 5 can first fit into the outside of the positioning post 4, thereby quickly completing the mold core assembly.

[0034] As one implementation method, such as Figure 2 and Figure 4 As shown, the socket 7 also has insertion holes corresponding to the insert 3 inside, and there are at least two sets of insert 3.

[0035] In this embodiment, after the sleeve 7 and the insert seat 6 are engaged, the inner hole of the sleeve 7 limits the insertion of the insert 3 to prevent the insert 3 from shaking inside.

[0036] As one implementation method, such as Figure 5 As shown, the guide post 9 penetrates the center of the fixed mold base 8, and the height of the guide post 9 is greater than the height of the fixed mold base 8.

[0037] In this embodiment, the guide post 9 is inserted through the top of the sleeve 7, and then the fixed mold base 8 is sleeved on the outside of the guide post 9 and moves downward along the guide post 9 to engage with the sleeve 7, maintaining the positioning between the fixed mold base 8 and the sleeve 7, thereby improving the assembly accuracy.

[0038] As one implementation method, such as Figure 4 and Figure 5 As shown, an annular plate 16 is fixedly installed on the outside of the insert base 6, and the annular plate 16 corresponds to the upper mold core 1.

[0039] In this embodiment, when the sleeve 7 and the insert seat 6 are engaged, the outer ring plate 16 of the insert seat 6 matches the sleeve 7 and lifts the bottom of the upper mold core 1, thereby strengthening the connection between the mold core and the insert.

[0040] Working principle: In use, the insert base 6 is first installed on the lower mold core 2, and several through inserts 3 are inserted into the insert base 6. Then, the sleeve 7 is installed on the top of the insert base 6 through the positioning element 15. The sleeve 7 inside the positioning element 15 is kept facing downward and corresponding to the insert base 6 until the protrusion 13 and protrusion 24 of the sleeve 7 are engaged in the groove 11 and groove 22 opened on the external positioning strip 10 of the insert base 6 to complete the positioning.

[0041] By utilizing the uneven distribution of groove 11 and groove 22, assembly errors are reduced, and the stability of the insert inside the insert base 6 is increased. At the same time, the size of groove 11 is smaller than that of groove 22. Groove 11 is used for coarse positioning, while groove 22 is used for fine adjustment and to ensure accuracy, thereby ensuring the engagement and positioning between the sleeve base 7 and the insert base 6, and precise positioning to avoid errors.

[0042] After the guide post 9 is inserted into the top of the sleeve 7, the fixed mold base 8 is sleeved on the outside of the guide post 9 and moves downward along the guide post 9 to engage with the sleeve 7. Finally, it engages with the positioning post 4 outside the lower mold core 2 through the positioning groove 5 opened on the outside of the upper mold core 1, thereby completing the positioning and installation of the entire mold core and inserts with precision and efficiency.

[0043] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0044] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A mold core insert positioning structure, comprising an upper mold core (1) and a lower mold core (2) assembled below the upper mold core (1), characterized in that, The lower mold core (2) is fixedly installed with positioning posts (4) around its outer periphery, and the upper mold core (1) is provided with positioning grooves (5) that match the positioning posts (4) on its outer periphery. The top of the lower mold core (2) is fixedly installed with an insert seat (6), and a number of through inserts (3) are fixedly installed inside the insert seat (6). The top of the through insert (3) is sleeved with a sleeve seat (7), and a positioning element (15) is provided between the sleeve seat (7) and the insert seat (6). The top of the sleeve (7) is detachably fitted with a guide post (9), and the top of the guide post (9) is inserted with a fixed mold base (8), which penetrates the interior of the upper mold core (1).

2. The mold core insert positioning structure according to claim 1, characterized in that, The positioning component (15) includes positioning strips (10) installed around the top of the insert base (6). The positioning strips (10) have grooves 1 (11) and 2 (12) respectively. The sleeve base (7) has protrusions 1 (13) and 2 (14) fixedly installed inside. Protrusions 1 (13) match grooves 1 (11), and protrusions 2 (14) match grooves 2 (12).

3. The mold core insert positioning structure according to claim 2, characterized in that, The size of the first groove (11) is smaller than the size of the second groove (12).

4. The mold core insert positioning structure according to claim 1, characterized in that, There are at least four sets of positioning posts (4), and the height of the positioning posts (4) is greater than the height of the lower mold core (2).

5. The mold core insert positioning structure according to claim 1, characterized in that, The socket (7) is also provided with insertion holes corresponding to the insert (3), and there are at least two sets of inserts (3).

6. The mold core insert positioning structure according to claim 1, characterized in that, The guide post (9) penetrates the center of the fixed mold base (8), and the height of the guide post (9) is greater than the height of the fixed mold base (8).

7. The mold core insert positioning structure according to claim 1, characterized in that, An annular plate (16) is fixedly installed on the outside of the insert base (6), and the annular plate (16) corresponds to the upper mold core (1).

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