Injection mold convenient to splice and assemble

Abstract

The utility model discloses an injection mold convenient to splice and assemble, which comprises a first mold body and a second mold body, the first mold body comprises a fixed plate, a mounting plate and spacing plates, the mounting plate is arranged on the back side of the fixed plate in parallel, and the two spacing plates are arranged between the mounting plate and the fixed plate and are distributed up and down; the second mold body comprises a movable plate, and a first mold plate and a second mold plate are detachably arranged on the side walls, close to each other, of the movable plate and the fixed plate in an embedded mode correspondingly. The first mold plate and the second mold plate can be in contact to form an injection molding space; the connecting rod, the buckle groove, the counter bore and the through hole are arranged, the connecting rod can be conveniently buckled on the fixing plate, the spacing plate and the mounting plate are arranged on the connecting rod in a sleeving mode, simple and convenient splicing and assembling of the spacing plate, the fixing plate and the mounting plate are achieved, the number of bolts is reduced, and the splicing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to an injection mold which is convenient for splicing and assembling. Background Art

[0002] During injection molding production, the matching injection mold needs to be installed on the end of the injection machine and connected to the injection machine. The injection machine heats the molten raw materials and injects the molten raw materials into the injection mold in a high-pressure environment. After cooling, it solidifies into a product of a specific shape.

[0003] At present, there are many types of injection molds. For example, a Chinese patent with patent publication number CN218366160U discloses an injection mold, which includes: a first template assembly and a second template assembly, wherein the first template assembly has a first mold core; the second template assembly has a second mold core, the first mold core and the second mold core define a cavity for molding an injection molded part, and the second mold core is located on the inner side of the first mold core, wherein the second mold core is retractably arranged inwardly.

[0004] Whether it is the injection mold provided by the above patent or other types of injection molds, they all include a punch, a die and a demolding mechanism. With the cooperation of the punch and the die, an injection space is formed, and the molten raw material is gradually formed in the injection space. After forming, the punch and the die are separated from each other, and the product is separated from the mold by the demolding mechanism. In order to ensure the stable assembly of the punch, the die and the demolding mechanism, a large number of screws are required, and various types of channels are opened on each device, and each device is connected one by one by screws. This setting requires the staff to spend a long time to assemble the various components together, and due to different types of screws, it is very easy for the screws to be inserted into the channels that do not match, delaying the assembly of the injection mold. Utility Model Content

[0005] The utility model aims to provide an injection mold which is easy to assemble and splice, aiming to improve the problem that a large number of screws need to be installed when assembling the injection mold, which is not conducive to completing the assembly efficiently.

[0006] The utility model is implemented as follows: an injection mold that is easy to splice and assemble, including a first mold body and a second mold body, the first mold body includes a fixed plate, a mounting plate and a spacer plate, the mounting plate is arranged in parallel on the back side of the fixed plate, two spacer plates are arranged between the mounting plate and the fixed plate, and are distributed up and down, a connecting rod is arranged at the end corner of the mounting plate, the connecting rod passes through the channel arrangement of the spacer plate, and the end is buckled on the fixed plate, the second mold body includes a movable plate, and the first template and the second template are detachably embedded at the side walls of the movable plate and the fixed plate that are close to each other, and the first template and the second template can be in contact to form an injection molding space.

[0007] Preferably, one end of the connecting rod is provided with a thread, and the other end is fixedly provided with a buckle block, and the threaded end of the connecting rod is threadedly sleeved with a nut.

[0008] Preferably, a snap groove is provided on the fixing plate, one end of the snap groove is set to be an opening, and the cross-section is the same as the cross-section of the snap block, the snap block is located in the snap groove, a second countersunk hole is provided on the mounting plate, and the end of the connecting rod and the nut are arranged in the second countersunk hole.

[0009] Preferably, a movable plate is arranged between the two spacer plates, a top rod is arranged in the middle of the side of the movable plate, a perforation is arranged at the edge, a limit rod is arranged at the perforation, and a spring is sleeved on the limit rod.

[0010] Preferably, a first through hole is provided in the middle of the side wall of the fixing plate, a second through hole is provided on the first template, a top rod passes through the through hole, a slot is provided on the adjacent side walls of the fixing plate and the mounting plate, and the end of the limiting rod is inserted into the slot.

[0011] Preferably, a first mounting groove and a second mounting groove are respectively provided at one end adjacent to each other of the fixed plate and the movable plate, a first countersunk hole is provided on the side wall of the mounting groove, a bolt is penetrated through the first countersunk hole, the end of the bolt is threadedly inserted into the thread groove of the first template and the second template, and a thread groove is also provided on the side wall adjacent to the first template and the second template.

[0012] Preferably, a cavity is provided in the middle of the side wall of the first template away from the second template, an annular cavity is provided at the edge, the cavity and the annular cavity are connected, and inlet and outlet grooves are provided, which are directly connected to the liquid pipe of the fixed plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model is provided with a connecting rod, a buckle groove, a countersunk hole and a through hole, which can facilitate the buckling of the connecting rod on the fixed plate, and the spacer plate and the mounting plate are sleeved on the connecting rod, so as to realize the simple splicing and assembly of the spacer plate, the fixed plate and the mounting plate, reduce the number of bolts connecting the various parts of the mold, and relatively improve the efficiency of mold splicing.

[0015] 2. The utility model is provided with a detachable template so that it can be quickly disassembled and replaced according to the different shapes of the products produced, avoiding the need to equip multiple sets of integral molds and reducing the cost of injection molding production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the first three-dimensional structure of the fixing plate of the utility model;

[0018] Figure 3 It is a schematic diagram of the second three-dimensional structure of the fixing plate of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the mounting plate of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the movable plate of the utility model;

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the partition board of the utility model;

[0022] Figure 7 It is a schematic structural diagram of the first three-dimensional structure of the first template of the utility model;

[0023] Figure 8 It is a schematic structural diagram of the second three-dimensional structure of the second template of the utility model;

[0024] Fig. 9 It is a three-dimensional structural schematic diagram of the movable plate and the second template of the utility model.

[0025] In the figure: 1. fixed plate; 11. first mounting groove; 12. first through hole; 13. snap groove; 14. first countersunk hole; 15. slot; 2. spacer plate; 21. channel; 3. mounting plate; 31. second countersunk hole; 32. connecting rod; 33. nut; 34. snap block; 4. movable plate; 41. ejector rod; 42. perforation; 43. spring; 44. limit rod; 5. first template; 51. second through hole; 52. first injection cavity; 53. threaded groove; 54. cavity; 55. entry and exit groove; 56. annular cavity; 6. movable plate; 61. second mounting groove; 62. second template. DETAILED DESCRIPTION

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0028] Example 1

[0029] like Figure 1-9As shown, an injection mold that is easy to assemble and assemble includes a first mold body and a second mold body, the second mold body includes a movable plate 6, the first mold body includes a fixed plate 1, a mounting plate 3 and a spacer plate 2, the mounting plate 3 is arranged in parallel on the back side of the fixed plate 1, and two spacer plates 2 are arranged between the mounting plate 3 and the fixed plate 1, and are distributed up and down. In the prior art, it is necessary to first use multiple bolts to install the spacer plate 2 on the fixed plate 1, and then use multiple bolts to install the mounting plate 3 on the spacer plate 2. In order to change this cumbersome installation method, a buckle groove 13 is provided on the fixed plate 1. One end of the snap groove 13 is set to be open, a second countersunk hole 31 is set on the mounting plate 3, a channel 21 is set on the partition plate 2, and a connecting rod 32 is set at the end corner of the mounting plate 3. One end of the connecting rod 32 is provided with a thread, and the other end is fixedly provided with a snap block 34. The cross-section of the snap groove 13 is the same as the cross-section of the snap block 34. The threaded end of the connecting rod 32 is threadedly sleeved with a nut 33. The connecting rod 32 is set to pass through the channel 21 of the partition plate 2, the snap block 34 is located in the snap groove 13, and the end of the connecting rod 32 and the nut 33 are arranged in the second countersunk hole 31. When assembling the fixing plate 1, the mounting plate 3 and the spacer plate 2, the connecting rod 32 is snap-fitted onto the fixing plate 1, the spacer plate 2 is sleeved onto the connecting rod 32, and finally the mounting plate 3 is sleeved onto the end of the connecting rod 32, and the mounting plate 3 and the connecting rod 32 are fastened together using the nut 33 to realize the splicing assembly of the first mold body, thereby reducing the number of bolts connecting the various components of the mold, relatively improving the mold splicing efficiency, and making the operation relatively simple.

[0030] In order to realize the demoulding of the injection molded product, a movable plate 4 is arranged between the two spacer plates 2, a push rod 41 is arranged in the middle of the side of the movable plate 4, a through hole 42 is arranged on the edge, a limit rod 44 is arranged at the through hole 42, a spring 43 is sleeved on the limit rod 44, and the spring 43 is in a compressed state. A first through hole 12 is arranged in the middle of the side wall of the fixed plate 1, and the push rod 41 is arranged through the through hole. A slot 15 is arranged on the side walls adjacent to each other of the fixed plate 1 and the mounting plate 3, and the end of the limit rod 44 is inserted into the slot 15. In the process of assembling the fixed plate 1, the mounting plate 3 and the spacer plate 2, the movable plate 4 is installed between the two spacer plates 2. Specifically, after the two spacer plates 2 are sleeved on the connecting rod 32, the movable plate 4 is placed between the two spacer plates 2, and the end of the limit rod 44 is inserted into the slot 15 to limit the position of the movable plate 4. After the movable plate 4 is placed between the two spacer plates 2, the mounting plate 3 is mounted on the connecting rod 32, and the cylinder arranged on the side of the mounting plate 3 is connected to the movable plate 4, so that the movable plate 4 is controlled under the action of the cylinder to drive the ejector rod 41 to move, thereby ejecting the injection molded product to achieve demolding.

[0031] Example 2

[0032] like Figure 1-9As shown, an injection mold that is easy to assemble and assemble includes a first mold body and a second mold body, the second mold body includes a movable plate 6, the first mold body includes a fixed plate 1, a mounting plate 3 and a spacer plate 2, the mounting plate 3 is arranged in parallel on the back side of the fixed plate 1, and two spacer plates 2 are arranged between the mounting plate 3 and the fixed plate 1, and are distributed up and down. In the prior art, it is necessary to first use multiple bolts to install the spacer plate 2 on the fixed plate 1, and then use multiple bolts to install the mounting plate 3 on the spacer plate 2. In order to change this cumbersome installation method, a buckle groove 13 is provided on the fixed plate 1. One end of the snap groove 13 is set to be open, a second countersunk hole 31 is set on the mounting plate 3, a channel 21 is set on the partition plate 2, and a connecting rod 32 is set at the end corner of the mounting plate 3. One end of the connecting rod 32 is provided with a thread, and the other end is fixedly provided with a snap block 34. The cross-section of the snap groove 13 is the same as the cross-section of the snap block 34. The threaded end of the connecting rod 32 is threadedly sleeved with a nut 33. The connecting rod 32 is set to pass through the channel 21 of the partition plate 2, the snap block 34 is located in the snap groove 13, and the end of the connecting rod 32 and the nut 33 are arranged in the second countersunk hole 31. When assembling the fixing plate 1, the mounting plate 3 and the spacer plate 2, the connecting rod 32 is snap-fitted onto the fixing plate 1, the spacer plate 2 is sleeved onto the connecting rod 32, and finally the mounting plate 3 is sleeved onto the end of the connecting rod 32, and the mounting plate 3 and the connecting rod 32 are fastened together using the nut 33 to realize the splicing assembly of the first mold body, thereby reducing the number of bolts connecting the various components of the mold, relatively improving the mold splicing efficiency, and making the operation relatively simple.

[0033] In order to realize the demoulding of the injection molded product, a movable plate 4 is arranged between the two spacer plates 2, a push rod 41 is arranged in the middle of the side of the movable plate 4, a through hole 42 is arranged on the edge, a limit rod 44 is arranged at the through hole 42, a spring 43 is sleeved on the limit rod 44, and the spring 43 is in a compressed state. A first through hole 12 is arranged in the middle of the side wall of the fixed plate 1, and the push rod 41 is arranged through the through hole. A slot 15 is arranged on the side walls adjacent to each other of the fixed plate 1 and the mounting plate 3, and the end of the limit rod 44 is inserted into the slot 15. In the process of assembling the fixed plate 1, the mounting plate 3 and the spacer plate 2, the movable plate 4 is installed between the two spacer plates 2. Specifically, after the two spacer plates 2 are sleeved on the connecting rod 32, the movable plate 4 is placed between the two spacer plates 2, and the end of the limit rod 44 is inserted into the slot 15 to limit the position of the movable plate 4. After the movable plate 4 is placed between the two spacer plates 2, the mounting plate 3 is mounted on the connecting rod 32, and the cylinder arranged on the side of the mounting plate 3 is connected to the movable plate 4, so that the movable plate 4 is controlled under the action of the cylinder to drive the ejector rod 41 to move, thereby ejecting the injection molded product to achieve demolding.

[0034] In order to avoid replacing the entire mold when producing different products, a first installation groove 11 and a second installation groove 61 are respectively provided at the ends of the fixed plate 1 and the movable plate 6 adjacent to each other, a first countersunk hole 14 is provided on the side wall of the installation groove, a bolt is penetrated through the first countersunk hole 14, a first template 5 and a second template 62 are respectively provided at the first installation groove 11 and the second installation groove 61, the end of the bolt is threadedly inserted into the thread groove 53 of the first template 5 and the second template 62, and a thread groove 53 is also provided on the adjacent side walls of the first template 5 and the second template 62, and a first injection cavity 52 and a second injection cavity are respectively provided on the side walls of the first template 5 and the second template 62 adjacent to each other, and the first injection cavity 52 and the second injection cavity can contact to form an injection space. Because the first template 5 and the second template 62 are detachably provided on the fixed plate 1 and the movable plate 6, the first template 5 and the second template 62 can be disassembled and replaced according to the different shapes of the products, avoiding the manufacturer from being equipped with multiple sets of complete molds at the same time, and reducing the injection molding production cost. When removing the template, turn the bolt to release the restriction of the template, and then insert the bolt thread into the thread groove 53 of the adjacent side wall of the first template 5 and the second template 62, so as to facilitate pulling the template out of the mold. After the template is out of the mold, another template can be installed on the mold. In order to realize the tom, a second through hole 51 is provided on the first template 5, and the ejector rod 41 is arranged to pass through the through hole.

[0035] In order to accelerate the cooling and forming of the injection molded product, a cavity 54 is provided in the middle of the side wall of the first template 5 away from the second template 62, and an annular cavity 56 is provided at the edge. The cavity 54 and the annular cavity 56 are arranged in communication, and an inlet and outlet groove 55 is provided. The inlet and outlet groove 55 is directly connected to the liquid pipe of the fixed plate 1. The liquid pipe of the fixed plate 1 is connected to an external pump and a coolant source, thereby forcing the coolant to circulate between the mold and the outside world, taking away the heat of the injection molded product and accelerating the cooling and forming.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An injection mold that is easy to assemble, characterized in that: The invention comprises a first mold body and a second mold body, wherein the first mold body comprises a fixed plate (1), a mounting plate (3) and a spacer plate (2), wherein the mounting plate (3) is arranged in parallel on the back side of the fixed plate (1), and two spacer plates (2) are arranged between the mounting plate (3) and the fixed plate (1) and are distributed up and down, and a connecting rod (32) is arranged at the end corner of the mounting plate (3), and the connecting rod (32) passes through the hole (21) of the spacer plate (2), and the end portion is snapped on the fixed plate (1), and the second mold body comprises a movable plate (6), and a first template (5) and a second template (62) are detachably inlaid at the side walls of the movable plate (6) and the fixed plate (1) adjacent to each other, and the first template (5) and the second template (62) can contact to form an injection molding space.

2. The injection mold that is easy to assemble according to claim 1, characterized in that: One end of the connecting rod (32) is provided with a thread, and the other end is fixedly provided with a buckle block (34); the threaded end of the connecting rod (32) is threadedly sleeved with a nut (33).

3. The injection mold that is easy to assemble according to claim 2, characterized in that: The fixing plate (1) is provided with a snap groove (13), one end of the snap groove (13) is set to be open, and the cross section is the same as the cross section of the snap block (34), the snap block (34) is located in the snap groove (13), and a second countersunk hole (31) is provided on the mounting plate (3), and the end of the connecting rod (32) and the nut (33) are arranged in the second countersunk hole (31).

4. The injection mold that is easy to assemble according to claim 1, characterized in that: A movable plate (4) is arranged between the two partition plates (2), a top rod (41) is arranged in the middle of the side of the movable plate (4), a through hole (42) is arranged at the edge, a limiting rod (44) is arranged at the through hole (42), and a spring (43) is sleeved on the limiting rod (44).

5. The injection mold that is easy to assemble according to claim 4, characterized in that: A first through hole (12) is provided in the middle of the side wall of the fixing plate (1), a second through hole (51) is provided on the first template (5), the push rod (41) passes through the through hole, a slot (15) is provided on the adjacent side walls of the fixing plate (1) and the mounting plate (3), and the end of the limiting rod (44) is inserted into the slot (15).

6. The injection mold that is easy to assemble according to claim 5, characterized in that: A first mounting groove (11) and a second mounting groove (61) are respectively provided at the mutually adjacent ends of the fixed plate (1) and the movable plate (6); a first countersunk hole (14) is provided on the side wall of the mounting groove; a bolt is penetrated through the first countersunk hole (14); the end of the bolt is threadedly inserted into the thread groove (53) of the first template (5) and the second template (62); and a thread groove (53) is also provided on the adjacent side wall of the first template (5) and the second template (62).

7. The injection mold that is easy to assemble according to claim 6, characterized in that: A cavity (54) is provided in the middle of the side wall of the first template (5) away from the second template (62), and an annular cavity (56) is provided at the edge. The cavity (54) and the annular cavity (56) are arranged in communication with each other, and an inlet and outlet groove (55) is provided. The inlet and outlet groove (55) is directly connected to the liquid pipe of the fixed plate (1).

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