Die structure capable of rapidly replacing trademark insert

Abstract

The utility model belongs to the technical field of dies. The problem that in the prior art, the work efficiency of mold trademark insert replacement is low is solved. The mold structure comprises a cavity frame, a cavity insert and the trademark insert, the cavity frame is provided with a receding groove which is adjacent to and communicated with a containing groove, the trademark insert is connected with a positioning pin, the free end of the positioning pin is located in the receding groove and provided with a positioning groove, a fixing rod is detachably connected to the cavity frame in an inserted mode, and the fixing rod is connected with the trademark insert in an inserted mode. A pushing inclined plane is arranged at the inner end of the fixing rod, and when the fixing rod is inserted into the cavity frame and the pushing inclined plane is arranged back to the trademark insert, the pushing inclined plane is pressed against the groove wall of the positioning groove to lock the positioning pin; when the fixing rod is inserted into the cavity frame and the pushing inclined face faces the trademark insert, the pushing inclined face abuts against the end face of the positioning pin and can push the positioning pin outwards so that the trademark insert can stretch out of the containing groove. The mold trademark insert replacing device has the advantage that the working efficiency of replacing the mold trademark insert can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a mold structure capable of quickly replacing a trademark insert block. Background Art

[0002] When producing different products, different trademarks need to be molded, which leads to the need to replace the trademark insert blocks with different trademark patterns during the production process. Currently, the steps for replacing the trademark insert blocks are as follows: First, the operator disassembles the mold from the injection molding machine, then disassembles the mold, takes out the trademark insert block to be replaced, then replaces the required trademark insert block, and finally reassembles the mold. The whole process is time-consuming and laborious. Summary of the Invention

[0003] The purpose of the utility model is to provide a mold structure capable of quickly replacing a trademark insert block for the existing problems in the prior art. The technical problem to be solved by the utility model is how to improve the working efficiency of replacing the trademark insert block of the mold.

[0004] The purpose of the utility model can be achieved by the following technical solutions:

[0005] A mold structure capable of quickly replacing a trademark insert block, including a cavity frame, a cavity insert block provided on the cavity frame and having a receiving groove, and a trademark insert block embedded in the receiving groove. The characteristic is that a relief groove is provided on the cavity frame adjacent to and communicating with the receiving groove. A positioning pin is connected to the trademark insert block, and the free end of the positioning pin is located in the relief groove and has a positioning groove. A fixing rod is detachably inserted into the cavity frame, and the inner end of the fixing rod has a pushing inclined surface. When the fixing rod is inserted into the cavity frame and the pushing inclined surface is set facing away from the trademark insert block, the pushing inclined surface presses against the wall of the positioning groove to lock the positioning pin; when the fixing rod is inserted into the cavity frame and the pushing inclined surface is set facing the trademark insert block, the pushing inclined surface abuts against the end surface of the positioning pin and can push the positioning pin outwards to make the trademark insert block protrude from the receiving groove.

[0006] When it is necessary to replace the trademark insert block, the user only needs to pull out the fixing rod from the cavity frame, then rotate the fixing rod by 180° and reinstall it into the cavity frame until the pushing inclined surface on the fixing rod abuts against the end surface of the positioning pin in the relief groove. Then the user strikes the fixing rod forcefully to make it continue to move inwards. While the pushing inclined surface on the fixing rod moves inwards synchronously, it continuously squeezes the positioning pin upwards. Under the squeezing action of the pushing inclined surface, the positioning pin continuously moves upwards, driving the trademark insert block to gradually expose from the cavity insert block. Then the user can directly take out the trademark insert block by hand, so that the trademark insert block can be quickly removed from the receiving groove of the cavity insert block. Finally, the user replaces a new trademark insert block, so that the replacement of the trademark insert block can be quickly and effectively realized, and further the working efficiency of replacing the trademark insert block of the mold can be improved.

[0007] In the above-mentioned mold structure capable of quickly replacing trademark inserts, the end surface of the fixing rod close to the positioning groove is a plane, and the wall surface of the positioning groove away from the groove side wall of the trademark insert is an inclined surface arranged to fit with the push inclined surface. By setting the end surface of the fixing rod close to the positioning groove as a plane, the fixing rod can be embedded in the positioning groove faster and better, ensuring the normal operation of the mold; when the fixing rod is embedded in the positioning groove, the push inclined surface on the fixing rod can form a surface-to-surface contact with the groove wall of the positioning groove, so that the fixing rod can better form a movement limit for the positioning pin, ensuring the normal operation of the mold.

[0008] In the above-mentioned mold structure capable of quickly replacing trademark inserts, the end face edge of the positioning pin located in the clearance groove is provided with an arc chamfer that can abut against the push-up inclined surface. By providing the arc chamfer on the end face edge, the push-up inclined surface of the fixing rod can more easily abut against the positioning pin, so that when the fixing rod moves inward, the push-up inclined surface on the fixing rod can move inward synchronously and continuously press the positioning pin upward, so that the positioning pin can continuously move upward under the pressing action of the push-up inclined surface.

[0009] In the above-mentioned mold structure for quickly replacing trademark inlays, the lower part of the side wall of the trademark inlay has a concave annular air-avoiding groove, the fixing rod and the cavity frame are clearance-fitted, and the positioning pin and the groove wall of the receiving groove are also clearance-fitted. By setting the concave annular air-avoiding groove at the lower part of the side wall of the trademark inlay, on the one hand, it is more convenient to put the trademark inlay into the receiving groove, which is also beneficial to the ejection operation of the trademark inlay, and on the other hand, it also prevents the injection liquid in the cavity from entering during injection molding; at the same time, by setting the fixing rod and the cavity frame as clearance-fitted, the inner wall of the cavity frame can play a role in guiding the movement of the fixing rod, so that the movement of the fixing rod is more precise; by setting the end of the positioning pin connected to the trademark inlay and the groove wall of the receiving groove as clearance-fitted, the groove wall of the receiving groove can play a role in guiding the movement of the positioning pin, so that the movement of the positioning pin is more precise.

[0010] In the above-mentioned mold structure capable of quickly replacing trademark inserts, the fixing block is detachably connected to the fixing rod, and the fixing block is connected to the cavity frame by bolts. The fixing rod is detachably connected to the cavity frame by the fixing block and the bolts, which can facilitate the disassembly and assembly of the fixing rod on the one hand, and make the connection between the fixing rod and the cavity frame more firm on the other hand, thereby ensuring the normal operation of the mold.

[0011] In the above mold structure capable of quickly replacing trademark inserts, the mold cavity frame is provided with an installation groove, and the fixing block is embedded in the installation groove. The above structure ensures that after the fixing block is connected to the mold cavity frame, the fixing block is not exposed.

[0012] In the above-mentioned mold structure capable of quickly replacing a trademark insert, the fixing block has a connecting groove, the fixing rod is embedded in the connecting groove and connected to the fixing block through a fixing pin. The above-mentioned structure prevents the end of the fixing rod from being exposed after the fixing rod is connected to the fixing block, and also makes the connection between the fixing rod and the fixing block more firm, thereby ensuring the normal operation of the mold.

[0013] Compared with the prior art, the advantage of the trademark inlay structure of the mold that can be quickly replaced is that the trademark inlay structure of the mold that can be quickly replaced can quickly and effectively realize the replacement of the trademark inlay through the coordinated work of components such as positioning pins, fixing rods and fixing blocks, thereby improving the work efficiency of mold trademark inlay replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the trademark insert structure of the mold that can be quickly replaced.

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the trademark insert structure of the mold which can be quickly replaced when viewed from above.

[0016] Figure 3 The utility model is a schematic diagram of the structure of the trademark insert structure of the mold which can be replaced quickly when viewed from above.

[0017] Figure 4 yes Figure 3 Cross-sectional view at AA in the middle.

[0018] Figure 5 yes Figure 3 Cross-sectional view at the middle BB.

[0019] Figure 6 This is one of the structural schematic diagrams of the trademark insert structure fixing rod, fixing block and positioning pin (fixing rod is embedded in the positioning groove) of the mold which can be quickly replaced.

[0020] Figure 7 This is the second structural schematic diagram of the fixing rod, the fixing block and the positioning pin (the fixing rod is embedded in the positioning groove) of the trademark insert structure of the mold which can be quickly replaced.

[0021] Figure 8 It is an exploded view of the fixing rod, fixing block and positioning pin of the trademark insert structure of the mold which can be quickly replaced.

[0022] Figure 9 The invention is a structural schematic diagram of a fixing rod and a positioning pin (after the fixing rod is rotated, the pushing inclined surface abuts against the end surface of the positioning pin located in the giving way groove) of a trademark insert structure of the mold which can be replaced quickly.

[0023] Figure 10 It is a three-dimensional structural schematic diagram of the trademark insert structure of the mold which can be quickly replaced.

[0024] In the figure, 1 is the cavity frame; 1a is the relief groove; 1b is the mounting groove; 2 is the cavity insert; 2a is the accommodating groove; 3 is the trademark insert; 4 is the positioning pin; 4a is the positioning groove; 4b is the arc chamfer; 5 is the fixing rod; 5a is the pushing inclined surface; 6 is the fixing pin; 7 is the fixing block; 7a is the connecting groove; 8 is the bolt. Specific embodiments

[0025] The following are specific embodiments of the present invention and in combination with the accompanying drawings, the technical solutions of the present invention will be further described, but the present invention is not limited to these embodiments.

[0026] A mold structure capable of quickly replacing a trademark insert, referring to Figures 1-10 , includes a cavity frame 1, a cavity insert 2 provided on the cavity frame 1 and having an accommodating groove 2a, and a trademark insert 3 embedded in the accommodating groove 2a. The cavity frame 1 has a relief groove 1a adjacent to and communicating with the accommodating groove 2a. A positioning pin 4 is connected to the trademark insert 3. The free end of the positioning pin 4 is located in the relief groove 1a and has a positioning groove 4a. A fixing rod 5 is detachably inserted into the cavity frame 1. The inner end of the fixing rod 5 has a pushing inclined surface 5a. When the fixing rod 5 is inserted into the cavity frame 1 and the pushing inclined surface 5a faces away from the trademark insert 3, the pushing inclined surface 5a presses against the wall of the positioning groove 4a to lock the positioning pin 4; when the fixing rod 5 is inserted into the cavity frame 1 and the pushing inclined surface 5a faces the trademark insert 3, the pushing inclined surface 5a abuts against the end face of the positioning pin 4 and can push the positioning pin 4 outwards to make the trademark insert 3 extend out of the accommodating groove 2a.

[0027] Specifically, referring to Figures 1-10 , an arc chamfer 4b capable of abutting against the pushing inclined surface 5a is provided at the end face edge of the positioning pin 4 located in the relief groove 1a; a fixing block 7 is detachably connected to the fixing rod 5. The fixing block 7 is connected to the cavity frame 1 by a bolt 8. The fixing block 7 has a connecting groove 7a. The fixing rod 5 is embedded in the connecting groove 7a and is connected to the fixing block 7 by a fixing pin 6; an installation groove 1b is formed on the cavity frame 1. The fixing block 7 is embedded in the installation groove 1b.

[0028] In this embodiment, it is preferred that the end face of the fixing rod 5 close to the positioning groove 4a is a plane; it is preferred that the positioning groove 4a, it is preferred that the trademark insert 3 and the positioning pin 4 are connected by threads; it is preferred that the wall surface of the groove side wall of the positioning groove 4a away from the trademark insert 3 is a slope that fits the pushing inclined surface 5a; it is preferred that the lower part of the side wall of the trademark insert 3 has a recessed annular clearance groove 3a. There is a clearance fit between the fixing rod 5 and the cavity frame 1, and there is also a clearance fit between the positioning pin 4 and the wall of the accommodating groove 2a.

[0029] The working principle of the trademark insert structure with quick replacement in this mold is described below:

[0030] During the mold production process, the positional relationship among the fixing block 7, the fixing rod 5, the positioning pin 4, and the trademark insert 3 is as Figures 1-7 shown. First, the user places the trademark insert 3 connected with the positioning pin 4 into the receiving groove 2a of the cavity insert 2. At this time, the positioning pin 4 extends into the relief groove 1a of the cavity frame 1. Then, the user inserts the fixing rod 5 connected with the fixing block 7 into the cavity frame 1 until the inner end of the fixing rod 5 is embedded in the positioning groove 4a of the positioning pin 4. Then, the user fixes the fixing block 7 on the cavity frame 1 through the bolt 8. At this time, the fixing block 7 is exactly embedded in the installation groove 1b of the cavity frame 1 and abuts against the bottom wall of the installation groove 1b. In addition, the fixing rod 5 and the fixing block 7 are connected by the fixing pin 6. Therefore, the trademark insert 3 will not move during the mold production process, thus ensuring the normal operation of the mold.

[0031] When it is necessary to replace the trademark insert 3, the user first loosens the bolt 8 to disconnect the fixing block 7 from the cavity frame 1. Then, the user pulls out the fixing rod 5 from the cavity frame 1. Then, the user takes out the fixing pin 6 to disconnect the fixing block 7 from the fixing rod 5. Then, the user rotates the fixing rod 5 by 180° and reinstalls it into the cavity frame 1 until the pushing inclined surface 5a on the fixing rod 5 abuts against the arc chamfer 4b of the positioning pin 4 (as Figure 8 shown). Then, the user strikes the fixing rod 5 forcefully, so that the fixing rod 5 continues to move inward. The pushing inclined surface 5a on the fixing rod 5 moves inward synchronously and continuously squeezes the positioning pin 4 upward. Under the squeezing action of the pushing inclined surface 5a, the positioning pin 4 moves upward continuously. In addition, there is a clearance fit between the trademark insert 3 and the groove wall of the receiving groove 2a. The trademark insert 3 gradually exposes from the cavity insert 2. Then, the user can directly take out the trademark insert 3 by hand, so that the trademark insert 3 can be quickly removed from the receiving groove 2a of the cavity insert 2. Finally, the user replaces it with a new trademark insert 3. The operation steps for replacing the new trademark insert 3 can refer to the above content, so that the mold can also achieve quick replacement of the trademark block on the injection machine.

[0032] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the art to which the present utility model pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

Claims

1. A mold structure with a quickly replaceable trademark insert, comprising a cavity frame (1), a cavity insert (2) provided on the cavity frame (1) and having a receiving groove (2a), and a trademark insert (3) embedded in the receiving groove (2a), characterized in that, The cavity frame (1) is provided with a relief groove (1a) which is adjacent to and communicates with the accommodation groove (2a). A positioning pin (4) is connected to the trademark insert block (3). The free end of the positioning pin (4) is located in the relief groove (1a) and has a positioning groove (4a). A fixing rod (5) is detachably inserted into the cavity frame (1). The inner end of the fixing rod (5) has a pushing inclined surface (5a). When the fixing rod (5) is inserted into the cavity frame (1) and the pushing inclined surface (5a) is arranged facing away from the trademark insert block (3), the pushing inclined surface (5a) presses against the wall of the positioning groove (4a) to lock the positioning pin (4); when the fixing rod (5) is inserted into the cavity frame (1) and the pushing inclined surface (5a) is arranged facing the trademark insert block (3), the pushing inclined surface (5a) abuts against the end face of the positioning pin (4) and can push the positioning pin (4) outwards so that the trademark insert block (3) extends out of the accommodation groove (2a).

2. The mold structure with a trademark insert that can be quickly replaced according to claim 1, characterized in that, The end face of the fixing rod (5) close to the positioning groove (4a) is a plane, and the wall surface of the positioning groove (4a) far from the side wall of the trademark insert block (3) is an inclined surface arranged to fit the pushing inclined surface (5a).

3. The mold structure capable of quickly replacing a trademark insert block according to claim 2, characterized in that, An arc chamfer (4b) capable of abutting against the pushing inclined surface (5a) is arranged at the end face edge of the positioning pin (4) located in the relief groove (1a).

4. A mold structure with a trademark insert that can be quickly replaced according to claim 1 or 2 or 3, characterized in that, The lower part of the side wall of the trademark insert block (3) has a recessed annular clearance groove (3a). A clearance fit is provided between the fixing rod (5) and the cavity frame (1), and a clearance fit is also provided between the positioning pin (4) and the wall of the accommodation groove (2a).

5. A mold structure capable of quickly replacing a trademark insert block according to claim 4, characterized in that A fixing block (7) is detachably connected to the fixing rod (5), and the fixing block (7) is connected to the cavity frame (1) by a bolt (8).

6. The mold structure with a trademark insert that can be quickly replaced according to claim 5, characterized in that, An installation groove (1b) is formed in the cavity frame (1), and the fixing block (7) is embedded in the installation groove (1b).

7. A mold structure with a trademark insert that can be quickly replaced according to claim 5, characterized in that, The fixing block (7) has a connection groove (7a), and the fixing rod (5) is embedded in the connection groove (7a) and connected to the fixing block (7) by a fixing pin (6).

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