Injection mold frame internally provided with surrounding type cooling runner

Abstract

The utility model discloses an injection mold frame internally provided with a surrounding type cooling runner. A first inlet end cooling flow channel, a first liquid return end cooling flow channel, a first connecting cooling flow channel, a second connecting cooling flow channel, a third connecting cooling flow channel, a fourth connecting cooling flow channel and a fifth connecting cooling flow channel are sequentially formed in the lower mold base around the lower mold core mounting groove; a second inlet end cooling flow channel, a second liquid return end cooling flow channel, a sixth connecting cooling flow channel, a seventh connecting cooling flow channel, an eighth connecting cooling flow channel, a ninth connecting cooling flow channel and a tenth connecting cooling flow channel are sequentially formed in the upper mold base around the upper mold core mounting groove, so that annular cooling flow channels are formed in the lower mold base and the upper mold base; and on one hand, the cooling effect is greatly improved, and on the other hand, the lower die holder and the upper die holder correspond to one cooling circulation pipeline, so that the investment cost is greatly saved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection mold frames, in particular to an injection mold frame with a surrounding cooling channel arranged therein. Background Art

[0002] The die frame is the support of the mold. For example, on a die-casting machine, the part that combines and fixes the various parts of the mold according to a certain rule and position, and enables the mold to be installed on the die-casting machine to work is called the die frame. The mold core inside it can generally be replaced.

[0003] Injection mold frames are generally provided with cooling channels inside. Most existing cooling channels are through-type straight channels, that is, they run from one side of the mold base to the other side. In order to improve the cooling effect, channels are provided on the outsides of the four sides of the mold core mounting groove. However, such channels require four cooling channels to be connected. Conventional channels located on both sides of the mold core mounting groove also require two cooling channels to be connected, which increases the cost and is not convenient for the installation of pipelines. Therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Utility Model Content

[0004] The purpose of the present utility model is to provide an injection mold frame with a built-in surround cooling channel. Annular cooling channels are formed inside the lower mold base and the upper mold base. On the one hand, the cooling effect is greatly improved. On the other hand, the lower mold base and the upper mold base only need one cooling circulation pipeline, which greatly saves investment costs and solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an injection mold frame with a built-in surround cooling channel, comprising a lower mold base, an upper mold base, a support block, a bottom plate, and a top plate, wherein support blocks are symmetrically arranged on both sides of the upper surface of the bottom plate, the upper surface of the support blocks is connected to both sides of the lower surface of the lower mold base, the upper surface of the upper mold base is provided with a top plate, and the upper mold base and the upper mold base cooperate with each other;

[0006] A lower die core mounting groove is provided on the upper surface of the lower die base, a groove is provided on one side of the lower die base, a first inlet end cooling channel and a first liquid return end cooling channel are respectively provided inside the lower die base and at the groove, a first connecting cooling channel, a second connecting cooling channel, a third connecting cooling channel, a fourth connecting cooling channel and a fifth connecting cooling channel are also provided inside the lower die base, the first connecting cooling channel, the second connecting cooling channel, the third connecting cooling channel, the fourth connecting cooling channel and the fifth connecting cooling channel surround the periphery of the lower die core mounting groove, the first inlet end cooling channel is connected to one end of the first connecting cooling channel, and the first connecting cooling channel is connected to one end of the first connecting cooling channel. The first connecting cooling channel is interconnected with one end of the second connecting cooling channel, the second connecting cooling channel is interconnected with the third connecting cooling channel, the third connecting cooling channel is interconnected with the fourth connecting cooling channel, the fourth connecting cooling channel is interconnected with the fifth connecting cooling channel, and the fifth connecting cooling channel is also interconnected with the first liquid return end cooling channel, the outer end of the first connecting cooling channel, the end of the second connecting cooling channel away from the first connecting cooling channel, both ends of the third connecting cooling channel, the end of the fourth connecting cooling channel away from the fifth connecting cooling channel, and the outer end of the fifth connecting cooling channel are all provided with threads and are interconnected with the outside of the lower mold base;

[0007] An upper mold core mounting groove is provided on the lower surface of the upper mold base, a liquid inlet and a liquid return port are provided on one side of the upper mold base, a second inlet end cooling channel is provided inside the upper mold base and at the liquid inlet, a second return end cooling channel is provided inside the upper mold base and at the liquid return port, a sixth connecting cooling channel, a seventh connecting cooling channel, an eighth connecting cooling channel, a ninth connecting cooling channel and a tenth connecting cooling channel are also provided inside the upper mold base, the sixth connecting cooling channel, the seventh connecting cooling channel, the eighth connecting cooling channel, the ninth connecting cooling channel and the tenth connecting cooling channel surround the periphery of the upper mold core mounting groove, the second inlet end cooling channel and the sixth connecting cooling channel are connected to each other. One end is connected to each other, the sixth connecting cooling channel is connected to one end of the seventh connecting cooling channel, the seventh connecting cooling channel is connected to the eighth connecting cooling channel, the eighth connecting cooling channel is connected to the ninth connecting cooling channel, the ninth connecting cooling channel is connected to the tenth connecting cooling channel, and the tenth connecting cooling channel is also connected to the second liquid return end cooling channel, the outer end of the sixth connecting cooling channel, the seventh connecting cooling channel away from one end of the sixth connecting cooling channel, both ends of the eighth connecting cooling channel, the ninth connecting cooling channel away from one end of the tenth connecting cooling channel, and the outer end of the tenth connecting cooling channel are all provided with threads and are connected to the outside of the upper mold base;

[0008] The lower die base is provided with first sealing bolts on threaded portions corresponding to the first connecting cooling channel, the second connecting cooling channel, the third connecting cooling channel, the fourth connecting cooling channel and the fifth connecting cooling channel.

[0009] The upper mold base is provided with a second sealing bolt on the threaded portion corresponding to the sixth connecting cooling channel, the seventh connecting cooling channel, the eighth connecting cooling channel, the ninth connecting cooling channel and the tenth connecting cooling channel.

[0010] Preferably, the utility model provides an injection mold frame with a built-in surround cooling channel, wherein the four corners of the upper mold base are provided with guide sleeves, and the four corners of the upper surface of the lower mold base are provided with first guide rods, and the first guide rods correspond to the guide sleeves one by one and slide together.

[0011] Preferably, the utility model provides an injection mold frame with a built-in surround cooling channel, wherein a second guide rod is provided between the base plate and the lower mold base, and a ejector push plate is also movably provided between the base plate and the lower mold base, and the ejector push plate is slidably engaged with the second guide rod.

[0012] Preferably, the utility model provides an injection mold frame with a built-in surround cooling channel, wherein the top plate is provided with a feed port, the upper mold base is located in the upper mold base mounting groove and is provided with a gate, and the gate is connected to the feed port.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) The first inlet cooling channel, the first return liquid cooling channel, the first connecting cooling channel, the second connecting cooling channel, the third connecting cooling channel, the fourth connecting cooling channel and the fifth connecting cooling channel are sequentially opened in the lower die base around the lower die core installation groove, and the second inlet cooling channel, the second return liquid cooling channel, the sixth connecting cooling channel, the seventh connecting cooling channel, the eighth connecting cooling channel, the ninth connecting cooling channel and the tenth connecting cooling channel are sequentially opened in the upper die base around the upper die core installation groove, thereby forming an annular cooling channel inside the lower die base and the upper die base. On the one hand, the cooling effect is greatly improved, and on the other hand, the lower die base and the upper die base only need to correspond to one cooling circulation pipeline, which greatly saves investment costs.

[0015] (2) The first connecting cooling channel, the second connecting cooling channel, the third connecting cooling channel, the fourth connecting cooling channel and the fifth connecting cooling channel are all installed with a first sealing bolt at the thread, and the sixth connecting cooling channel, the seventh connecting cooling channel, the eighth connecting cooling channel, the ninth connecting cooling channel and the tenth connecting cooling channel are all installed with a second sealing bolt at the thread. The sealing bolts are used to seal each cooling channel to facilitate cleaning of the inside of the cooling channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 For attachment Figure 1 Schematic diagram of the angle transformation structure;

[0018] Figure 3 Schematic diagram of the cross-sectional structure of the lower die base;

[0019] Figure 4 Schematic diagram of the lower die base structure;

[0020] Figure 5 Schematic diagram of the cross-sectional structure of the upper die base;

[0021] Figure 6 Schematic diagram of the upper die base structure.

[0022] In the figure: lower mold base 1, upper mold base 2, support block 3, bottom plate 4, top plate 5, lower mold core mounting groove 6, groove 7, first inlet end cooling channel 8, first return liquid end cooling channel 9, first connecting cooling channel 10, second connecting cooling channel 11, third connecting cooling channel 12, fourth connecting cooling channel 13, fifth connecting cooling channel 14, upper mold core mounting groove 15, liquid inlet 16, return liquid port 17, second inlet end cooling channel 18, second return liquid end cooling channel 19, sixth connecting cooling channel 20, seventh connecting cooling channel 21, eighth connecting cooling channel 22, ninth connecting cooling channel 23, tenth connecting cooling channel 24, first sealing bolt 25, second sealing bolt 26, guide sleeve 27, first guide rod 28, second guide rod 29, ejector push plate 30, feed port 31, gate 32. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0024] It should be noted that, in the description of the present invention, the terms "inside", "outside", "up", "down", "both sides", "one end", "the other end", "left", "right", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.

[0025] See also Figure 1-6The utility model provides a technical solution: an injection mold frame with a built-in surround cooling channel, including a lower mold base 1, an upper mold base 2, a support block 3, a bottom plate 4 and a top plate 5. Support blocks 3 are symmetrically arranged on both sides of the upper surface of the bottom plate 4. The upper surface of the support block 3 is connected to both sides of the lower surface of the lower mold base 1. A top plate 5 is arranged on the upper surface of the upper mold base 2. The upper mold base 2 cooperates with the upper mold base 1. Guide sleeves 27 are arranged at the four corners of the upper mold base 2. First guide rods 28 are arranged at the four corners of the upper surface of the lower mold base 1. The first guide rods 28 correspond to the guide sleeves 27 one by one and slide together. The guide of sleeve 27 aligns and cooperates the upper die base 2 and the lower die base 1. A second guide rod 29 is provided between the bottom plate 4 and the lower die base 1. An ejector push plate 30 is also movably provided between the bottom plate 4 and the lower die base 1. The ejector push plate 30 slidably cooperates with the second guide rod 29. The ejector can be installed through the ejector push plate 30, thereby facilitating unloading through the ejector. A feed port 31 is provided on the top plate 5. The upper die base 2 is located in the mounting groove of the upper die base 2 and is provided with a gate 32. The gate 32 is connected to the feed port 31. The raw material is squeezed from the gate 32 through the feed port 31 into the upper die core mounted in the mounting groove 15 of the upper die core.

[0026] A lower die core mounting groove 6 is provided on the upper surface of the lower die base 1, and a groove 7 is provided on one side of the lower die base 1. A first inlet end cooling channel 8 and a first return liquid end cooling channel 9 are respectively provided inside the lower die base 1 and located at the groove 7. A first connecting cooling channel 10, a second connecting cooling channel 11, a third connecting cooling channel 12, a fourth connecting cooling channel 13 and a fifth connecting cooling channel 14 are also provided inside the lower die base 1. The first connecting cooling channel 10, the second connecting cooling channel 11, the third connecting cooling channel 12, the fourth connecting cooling channel 13 and the fifth connecting cooling channel 14 surround the periphery of the lower die core mounting groove 6, the first inlet end cooling channel 8 is connected to one end of the first connecting cooling channel 10, and the first connecting The cooling channel 10 is interconnected with one end of the second connecting cooling channel 11, the second connecting cooling channel 11 is interconnected with the third connecting cooling channel 12, the third connecting cooling channel 12 is interconnected with the fourth connecting cooling channel 13, the fourth connecting cooling channel 13 is interconnected with the fifth connecting cooling channel 14, and the fifth connecting cooling channel 14 is also interconnected with the first return liquid end cooling channel 9. The outer end of the first connecting cooling channel 10, the end of the second connecting cooling channel 11 away from the first connecting cooling channel 10, both ends of the third connecting cooling channel 12, the end of the fourth connecting cooling channel 13 away from the fifth connecting cooling channel 14, and the outer end of the fifth connecting cooling channel 14 are all provided with threads and are interconnected with the outside of the lower mold base 1;

[0027] An upper mold core mounting groove 15 is provided on the lower surface of the upper mold base 2, and a liquid inlet 16 and a liquid return port 17 are provided on one side of the upper mold base 2. A second inlet end cooling channel 18 is provided inside the upper mold base 2 and located at the liquid inlet 16. A second return end cooling channel 19 is provided inside the upper mold base 2 and located at the liquid return port 17. A sixth connecting cooling channel 20, a seventh connecting cooling channel 21, an eighth connecting cooling channel 22, a ninth connecting cooling channel 23 and a tenth connecting cooling channel 24 are also provided inside the upper mold base 2. The sixth connecting cooling channel 20, the seventh connecting cooling channel 21, the eighth connecting cooling channel 22, the ninth connecting cooling channel 23 and the tenth connecting cooling channel 24 surround the periphery of the upper mold core mounting groove 15. The second inlet end cooling channel 18 and the sixth connecting cooling channel 21 are connected to the sixth connecting cooling channel 22. One end of the flow channel 20 is interconnected, the sixth connecting cooling flow channel 20 is interconnected with one end of the seventh connecting cooling flow channel 21, the seventh connecting cooling flow channel 21 is interconnected with the eighth connecting cooling flow channel 22, the eighth connecting cooling flow channel 22 is interconnected with the ninth connecting cooling flow channel 23, the ninth connecting cooling flow channel 23 is interconnected with the tenth connecting cooling flow channel 24, and the tenth connecting cooling flow channel 24 is also interconnected with the second return liquid end cooling flow channel 19. The outer end of the sixth connecting cooling flow channel 20, the end of the seventh connecting cooling flow channel 21 away from the sixth connecting cooling flow channel 20, both ends of the eighth connecting cooling flow channel 22, the end of the ninth connecting cooling flow channel 23 away from the tenth connecting cooling flow channel 24, and the outer end of the tenth connecting cooling flow channel 24 are all provided with threads and are interconnected with the outside of the upper mold base 2;

[0028] The threaded parts of the lower mold base 1 corresponding to the first connecting cooling channel 10, the second connecting cooling channel 11, the third connecting cooling channel 12, the fourth connecting cooling channel 13 and the fifth connecting cooling channel 14 are installed with first sealing bolts 25 and sealed by sealing rings.

[0029] The threaded parts of the upper mold base 2 corresponding to the sixth connecting cooling channel 20, the seventh connecting cooling channel 21, the eighth connecting cooling channel 22, the ninth connecting cooling channel 23 and the tenth connecting cooling channel 24 are installed with second sealing bolts 26 and sealed by sealing rings.

[0030] The processing method and principle of the cooling channel: First, the first inlet end cooling channel 8 and the first return end cooling channel 9 are opened at the groove 7 of the lower mold base 1, and then the first connecting cooling channel 10 and the fifth connecting cooling channel 14 are opened on both sides of the lower mold base 1. The first connecting cooling channel 10 is connected to the first inlet end cooling channel 8, and the fifth connecting cooling channel 14 is connected to the first return end cooling channel 9. Then, the second connecting cooling channel 11 and the fourth connecting cooling channel 13 are opened from the end of the lower mold base 1 away from the groove 7, so that the second connecting cooling channel 11 is connected to the first connecting cooling channel 14. The cooling channels 10 are interconnected, the fourth cooling channel 13 is interconnected with the fifth cooling channel 14, and finally the third cooling channel 12 is opened, and the third cooling channel 12 is interconnected with the second cooling channel 11 and the fourth cooling channel 13 respectively. Threads are provided at the outer end of the first cooling channel 10, the end of the second cooling channel 11 away from the first cooling channel 10, both ends of the third cooling channel 12, the end of the fourth cooling channel 13 away from the fifth cooling channel 14, and the outer end of the fifth cooling channel 14. Similarly, the sixth cooling channel 20, the seventh cooling channel 21, the eighth cooling channel 22, the ninth cooling channel 23, and the tenth cooling channel 24 are opened inside the upper mold base 2, and the sixth cooling channel 20, the seventh cooling channel 21, the eighth cooling channel 22, the ninth cooling channel 23, and the tenth cooling channel 24 surround the upper mold core mounting groove 15. After connecting the lower die base 1 to the top plate 5, and connecting the lower die base 1 to the bottom plate 4 through the support block 3, the first sealing bolt 25 is respectively fastened to the threads of the first connecting cooling channel 10, the second connecting cooling channel 11, the third connecting cooling channel 12, the fourth connecting cooling channel 13 and the fifth connecting cooling channel 14 and sealed by a sealing ring, and the second sealing bolt 26 is respectively fastened to the threads of the sixth connecting cooling channel 20, the seventh connecting cooling channel 21, the eighth connecting cooling channel 22, the ninth connecting cooling channel 23 and the tenth connecting cooling channel 24 and sealed by a sealing ring. At this time, the outer periphery of the lower die core mounting groove 6 and the upper die core mounting groove 15 are surrounded by cooling channels. When in use, the inlet of the cooling oil circuit is respectively connected to the first inlet end cooling channel 8 and the second inlet end cooling channel 18, and the return oil port of the cooling oil circuit is respectively connected to the first return liquid end cooling channel 9 and the second return liquid end cooling channel 19.The utility model has a reasonable structure. The lower die base 1 is provided with a first inlet end cooling channel 8, a first return liquid end cooling channel 9, a first connecting cooling channel 10, a second connecting cooling channel 11, a third connecting cooling channel 12, a fourth connecting cooling channel 13 and a fifth connecting cooling channel 14 in sequence around the lower die core mounting groove 6. The upper die base 2 is provided with a second inlet end cooling channel 18, a second return liquid end cooling channel 19, a sixth connecting cooling channel 20, a seventh connecting cooling channel 21, an eighth connecting cooling channel 22, a ninth connecting cooling channel 23 and a tenth connecting cooling channel 24 in sequence around the upper die core mounting groove 15, thereby forming an annular cooling channel inside the lower die base 1 and the upper die base 2. The cooling channel has a cooling effect that is greatly improved on the one hand, and on the other hand, the lower die base 1 and the upper die base 2 only need to correspond to one cooling circulation pipeline, which greatly saves the investment cost. At the same time, the first connecting cooling channel 10, the second connecting cooling channel 11, the third connecting cooling channel 12, the fourth connecting cooling channel 13 and the fifth connecting cooling channel 14 are all equipped with a first sealing bolt 25 at the thread, and the sixth connecting cooling channel 20, the seventh connecting cooling channel 21, the eighth connecting cooling channel 22, the ninth connecting cooling channel 23 and the tenth connecting cooling channel 24 are all equipped with a second sealing bolt 26 at the thread. The sealing bolts are used to seal each cooling channel to facilitate cleaning the inside of the cooling channel.

[0031] Anything not described in detail in the present invention is well known to those skilled in the art.

[0032] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An injection mold frame with a built-in surrounding cooling channel, characterized in that: It comprises a lower die base (1), an upper die base (2), a support block (3), a bottom plate (4) and a top plate (5), wherein the support blocks (3) are symmetrically arranged on both sides of the upper surface of the bottom plate (4), the upper surface of the support blocks (3) is connected to both sides of the lower surface of the lower die base (1), the upper surface of the upper die base (2) is provided with a top plate (5), and the upper die base (2) and the lower die base (1) cooperate with each other; The upper surface of the lower die base (1) is provided with a lower die core mounting groove (6), and a groove (7) is provided on one side of the lower die base (1). A first inlet end cooling channel (8) and a first return liquid end cooling channel (9) are respectively provided inside the lower die base (1) and located at the groove (7). The lower die base (1) is also provided with a first connecting cooling channel (10), a second connecting cooling channel (11), a third connecting cooling channel (12), a fourth connecting cooling channel (13) and a fifth connecting cooling channel (14). The first connecting cooling channel (10), the second connecting cooling channel (11), the third connecting cooling channel (12), the fourth connecting cooling channel (13) and the fifth connecting cooling channel (14) are surrounded by the outer periphery of the lower die core mounting groove (6). The first inlet end cooling channel (8) is connected to one end of the first connecting cooling channel (10). The first connecting cooling channel (10) is connected to one end of the second connecting cooling channel (11), the second connecting cooling channel (11) is connected to the third connecting cooling channel (12), the third connecting cooling channel (12) is connected to the fourth connecting cooling channel (13), the fourth connecting cooling channel (13) is connected to the fifth connecting cooling channel (14), and the fifth connecting cooling channel (14) is also connected to the first return liquid end cooling channel (9). The outer end of the first connecting cooling channel (10), the end of the second connecting cooling channel (11) away from the first connecting cooling channel (10), both ends of the third connecting cooling channel (12), the end of the fourth connecting cooling channel (13) away from the fifth connecting cooling channel (14), and the outer end of the fifth connecting cooling channel (14) are all provided with threads and are connected to the outside of the lower mold base (1); An upper mold core mounting groove (15) is provided on the lower surface of the upper mold base (2), and a liquid inlet (16) and a liquid return port (17) are provided on one side of the upper mold base (2). A second inlet end cooling channel (18) is provided inside the upper mold base (2) and located at the liquid inlet (16). A second liquid return end cooling channel (19) is provided inside the upper mold base (2) and located at the liquid return port (17). A sixth connecting cooling channel (20), a seventh connecting cooling channel (21), an eighth connecting cooling channel (22), a ninth connecting cooling channel (23) and a tenth connecting cooling channel (24) are also provided inside the upper mold base (2). The sixth connecting cooling channel (20), the seventh connecting cooling channel (21), the eighth connecting cooling channel (22), the ninth connecting cooling channel (23) and the tenth connecting cooling channel (24) are surrounded by the periphery of the upper mold core mounting groove (15). The second inlet end cooling channel (18) and the One end of the sixth connecting cooling channel (20) is interconnected, the sixth connecting cooling channel (20) is interconnected with one end of the seventh connecting cooling channel (21), the seventh connecting cooling channel (21) is interconnected with the eighth connecting cooling channel (22), the eighth connecting cooling channel (22) is interconnected with the ninth connecting cooling channel (23), the ninth connecting cooling channel (23) is interconnected with the tenth connecting cooling channel (24), and the tenth connecting cooling channel (24) is also interconnected with the second return liquid end cooling channel (19), the outer end of the sixth connecting cooling channel (20), the end of the seventh connecting cooling channel (21) away from the sixth connecting cooling channel (20), both ends of the eighth connecting cooling channel (22), the end of the ninth connecting cooling channel (23) away from the tenth connecting cooling channel (24), and the outer end of the tenth connecting cooling channel (24) are all provided with threads and are interconnected with the outside of the upper mold base (2); The lower die base (1) is provided with a first sealing bolt (25) installed on the threaded portion corresponding to the first connecting cooling channel (10), the second connecting cooling channel (11), the third connecting cooling channel (12), the fourth connecting cooling channel (13) and the fifth connecting cooling channel (14); The upper mold base (2) is provided with a second sealing bolt (26) on the threaded portions corresponding to the sixth connecting cooling channel (20), the seventh connecting cooling channel (21), the eighth connecting cooling channel (22), the ninth connecting cooling channel (23) and the tenth connecting cooling channel (24).

2. The injection mold frame with a built-in surrounding cooling channel according to claim 1, characterized in that: The four corners of the upper die base (2) are provided with guide sleeves (27), and the four corners of the upper surface of the lower die base (1) are provided with first guide rods (28). The first guide rods (28) correspond to the guide sleeves (27) one by one and are slidably matched.

3. The injection mold frame with a built-in surrounding cooling channel according to claim 1, characterized in that: A second guide rod (29) is provided between the bottom plate (4) and the lower die base (1), and a thimble push plate (30) is also movably provided between the bottom plate (4) and the lower die base (1), and the thimble push plate (30) is in sliding cooperation with the second guide rod (29).

4. The injection mold frame with a built-in surrounding cooling channel according to claim 1, characterized in that: The top plate (5) is provided with a feed port (31), and the upper die base (2) is provided with a gate (32) in the installation groove of the upper die base (2), and the gate (32) and the feed port (31) are communicated with each other.

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