Injection mold convenient to demold

Abstract

The injection mold comprises a supporting base, the supporting base comprises a first motor, a first supporting rod is fixedly installed at the top of the supporting base, the output end of the first motor is fixedly connected with a first rotating shaft, and the interior of the first rotating shaft is fixedly connected with a second rotating shaft; third rotating shafts are symmetrically mounted at the ends, away from the first rotating shaft, of the second rotating shafts, fourth rotating shafts are fixedly connected to the interiors of the two third rotating shafts correspondingly, first rotating rods are rotationally connected to the interiors of the fourth rotating shafts correspondingly, and impact blocks are arranged so that impact treatment can be conveniently conducted on the cooled lower mold; the mold and the model are relatively displaced, further demolding treatment is facilitated, the threaded grooves are formed, the corresponding mold release agent smearing rods are conveniently adjusted according to the sizes of different models, the interior of the injection molding groove is fully smeared, and the cooling pipe is arranged to achieve the cooling effect in the model plasticity process.

Description

Technical Field

[0001] The utility model relates to the field of injection molding equipment, in particular to an injection mold which is easy to demould. Background Art

[0002] Injection mold is a tool for producing plastic products. It is also a tool that gives plastic products a complete structure and precise size. Injection mold is also a processing method used in mass production of parts and is mainly used in the industrial field.

[0003] Existing injection molds generally use manual demoulding, which is complicated to operate and may cause model damage. In automatic demoulding, the model is not completely cooled and is difficult to separate from the mold, which affects the model demoulding efficiency. Direct demoulding causes the mold to squeeze the model, affecting the part qualification rate. Utility Model Content

[0004] The technical problems to be solved by the present utility model are as follows:

[0005] Existing injection molds generally use manual demoulding, which is complicated to operate and may cause model damage. In automatic demoulding, the model is not completely cooled and is difficult to separate from the mold, which affects the model demoulding efficiency. Direct demoulding causes the mold to squeeze the model, affecting the part qualification rate.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] The cam is connected to the first supporting plate of the motor and the second supporting plate is connected to the first supporting plate by the spring, and the cam is connected to the first supporting plate by the spring.

[0008] As a further solution of the present invention: the second support rod includes a third support rod, the top of the third support rod is symmetrically installed with a spring support seat, the top of the two spring support seats are fixedly installed with a second spring, the top of the second spring is fixedly installed with an impact block, the top of the third support rod is fixedly installed with a first cylinder on one side of the top near the spring support seat, the output end of the first cylinder is fixedly installed with a stripping plate, the top of the third support rod is fixedly installed with a fourth support rod on one side near the first cylinder, the top of the fourth support rod is fixedly installed with a lower mold, the interior of the lower mold is provided with an injection groove, cooling pipes are symmetrically installed on both sides of the exterior of the lower mold, the bottom of the impact block is fixedly installed with a second moving column, the interior of the second moving column is fixedly installed with a spring limiting column, the bottom of the spring limiting column is fixedly installed with a first limiting block, the first slide rails are symmetrically installed on both sides of the second support rod, and the top of the second support rod is fixedly installed with a top plate.

[0009] As a further solution of the present invention: the two first sliding rails each include a first sliding block, a first sliding groove is provided inside the first sliding block, a second sliding block is slidingly connected inside the first sliding groove, a sixth rotating shaft is rotatably connected inside the second sliding block, a second rotating rod is rotatably connected inside the sixth rotating shaft, and a threaded groove is provided at one end of the second rotating rod away from the sixth rotating shaft.

[0010] As a further solution of the present invention: the top plate includes a support plate, a second cylinder is fixedly installed on the bottom of the support plate, the output end of the second cylinder is fixedly connected to the upper mold, a water tank is fixedly installed on one side of the top of the top plate, a water outlet is opened on one side of the water tank, and an injection molding tube is fixedly installed inside the water outlet.

[0011] As a further solution of the present invention: the first support rod is rotatably connected to the second rotating shaft.

[0012] As a further solution of the present invention: the first spring is slidably connected to the spring limiting column, and the stripping plate is slidably connected to the injection molding groove.

[0013] As a further solution of the present invention: the injection tube is connected to the upper mold by snapping.

[0014] Beneficial effects of the utility model:

[0015] The utility model sets a first motor, and the output end of the first motor drives the fixedly connected first rotating shaft to rotate, the first rotating shaft drives the second rotating shaft to rotate, the second rotating shaft drives the third rotating shaft to rotate, the third rotating shaft drives the fourth rotating shaft to rotate, the fourth rotating shaft drives the first rotating rod to rotate, the first rotating rod drives the first movable column to slide inside the second movable column, and drives the impact block fixedly connected to the second movable column to impact the lower mold, thereby accelerating the separation of the model and the mold and improving production efficiency.

[0016] The utility model provides a first cylinder, which drives the stripping plate fixedly connected to the output end to slide inside the injection groove, pushing the model to be separated from the lower mold; and provides a second rotating rod with a threaded groove inside. Before injecting the mold, a release agent is first applied to the inside of the mold, and the mold is adjusted according to different models. Then, the corresponding application rod is inserted into the threaded groove, and the second rotating rod is rotated to move the first sliding block and the second sliding block to apply the release agent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the first rotating shaft structure in the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the first rotating rod in the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the third support rod in the present utility model;

[0022] Figure 5 This is a schematic diagram of the stripping plate structure in the utility model;

[0023] Figure 6 This is a schematic structural diagram of the first moving block in the utility model;

[0024] Figure 7 This is a schematic diagram of the structure of the second rotating rod in the utility model;

[0025] Figure 8 This is a schematic diagram of the upper mold structure of the utility model;

[0026] Figure 9 This is a side view of the overall structure of the utility model;

[0027] Figure 10 This is a schematic diagram of the operating structure of the first motor in the present utility model.

[0028] In the figure: 1. Support base; 101. First motor; 102. First support rod; 103. First rotating shaft; 104. Second rotating shaft; 105. Third rotating shaft; 106. Fourth rotating shaft; 107. First rotating rod; 108. Fifth rotating shaft; 109. First moving column; 110. Spring slot; 111. First spring; 112. First moving block; 2. Second support rod; 201. Third support rod; 202. Spring support seat; 203. Second spring; 204. Impact block; 205. First cylinder; 206. Detachment Template; 207, fourth support rod; 208, lower mold; 209, injection groove; 210, cooling pipe; 211, second movable column; 212, spring limit column; 213, first limiting block; 3, first slide rail; 301, first sliding block; 302, first sliding groove; 303, second sliding block; 304, sixth rotating shaft; 305, second rotating rod; 306, threaded groove; 4, top plate; 401, support plate; 402, second cylinder; 403, upper mold; 404, water tank; 405, water outlet; 406, injection pipe. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0030] like Figures 1 to 3 As shown, an injection mold for easy demoulding includes a support base 1, the support base 1 includes a first motor 101, a first support rod 102 is fixedly installed on the top of the support base 1, the output end of the first motor 101 is fixedly connected to a first rotating shaft 103, the interior of the first rotating shaft 103 is fixedly connected to a second rotating shaft 104, the end of the second rotating shaft 104 away from the first rotating shaft 103 is symmetrically installed with a third rotating shaft 105, the interiors of the two third rotating shafts 105 are fixedly connected to a fourth rotating shaft 106, and the interior of the fourth rotating shaft 106 is rotatably connected to the first rotating rod 107, the end of the first rotating rod 107 away from the fourth rotating axis 106 is rotatably connected to the fifth rotating axis 108, the outside of the fifth rotating axis 108 is rotatably connected to the first moving column 109, the top of the first moving column 109 is fixedly installed with a spring groove 110, the inside of the spring groove 110 is fixedly installed with a first spring 111, the top of the spring groove 110 is fixedly installed with a first moving block 112, and the top of the support base 1 is symmetrically provided with a second support rod 2, and the first spring 111 is provided to slide with the spring limit column 212 to reduce the impact speed and prevent excessive force from causing damage to the model.

[0031] like Figures 4 to 6 As shown, the second support rod 2 includes a third support rod 201, a spring support seat 202 is symmetrically installed on the top of the third support rod 201, a second spring 203 is fixedly installed on the top of the two spring support seats 202, and a collision block 204 is fixedly installed on the top of the second spring 203. A first cylinder 205 is fixedly installed on the side of the top of the third support rod 201 close to the spring support seat 202, and a stripping plate 206 is fixedly installed on the output end of the first cylinder 205. A fourth support rod 207 is fixedly installed on the side of the top of the third support rod 201 close to the first cylinder 205. 7 is fixedly installed on the top of the lower mold 208, an injection groove 209 is opened inside the lower mold 208, cooling pipes 210 are symmetrically installed on both sides of the outside of the lower mold 208, a second moving column 211 is fixedly installed on the bottom of the impact block 204, a spring limiting column 212 is fixedly installed inside the second moving column 211, and a first limiting block 213 is fixedly installed on the bottom of the spring limiting column 212, first slide rails 3 are symmetrically installed on both sides of the second support rod 2, and a top plate 4 is fixedly installed on the top of the second support rod 2. The provision of the cooling pipe 210 can speed up the molding speed of the model in the injection groove 209.

[0032] like Figure 7 As shown, the two first slide rails 3 each include a first sliding block 301, a first sliding groove 302 is provided inside the first sliding block 301, the first sliding groove 302 is internally slidably connected to the second sliding block 303, the second sliding block 303 is internally rotatably connected to the sixth rotating shaft 304, the sixth rotating shaft 304 is internally rotatably connected to the second rotating rod 305, and the second rotating rod 305 is provided with a threaded groove 306 at one end away from the sixth rotating shaft 304. The threaded groove 306 is provided to facilitate the installation and fixation of the release agent application plates corresponding to different molds.

[0033] like Figure 8 As shown, the top plate 4 includes a support plate 401, a second cylinder 402 is fixedly installed on the bottom of the support plate 401, the output end of the second cylinder 402 is fixedly connected to the upper mold 403, a water tank 404 is fixedly installed on one side of the top of the top plate 4, a water outlet 405 is opened on one side of the water tank 404, an injection tube 406 is fixedly installed inside the water outlet 405, and the injection tube 406 is provided to facilitate injection molding inside the closed mold.

[0034] The first support rod 102 is rotatably connected to the second rotation shaft 104 .

[0035] The first spring 111 is slidably connected to the spring limiting column 212 , and the stripping plate 206 is slidably connected to the injection groove 209 .

[0036] The injection tube 406 is engaged and connected with the upper mold 403 .

[0037] The working principle of the present invention is as follows: first, push the first sliding block 301, rotate the second rotating rod 305, select the coating rod of the corresponding model and thread it into the thread groove 306, and apply the release agent to the mold. After completion, retract the first sliding block 301, open the second cylinder 402, and after the upper mold 403 fixedly connected to the output end of the second cylinder 402 is completely fitted with the lower mold 208, the injection molding process is carried out by the injection tube 406 into the injection molding groove 209.

[0038] Secondly, during the injection molding process of the model, water is continuously injected into the cooling tube 210 to speed up the cooling speed of the model. After the cooling is completed, the first motor 101 is turned on, and the first motor 101 drives the first rotating shaft 103 fixedly connected to the output end to rotate, the first rotating shaft 103 drives the second rotating shaft 104 to rotate, the second rotating shaft 104 drives the third rotating shaft 105 to rotate, the third rotating shaft 105 drives the fourth rotating shaft 106 to rotate, the fourth rotating shaft 106 drives the first rotating rod 107 to rotate, the first rotating rod 107 drives the first movable column 109 to move, the first movable column 109 drives the first movable block 112 to fit the second movable column 211, and drives the impact block 204 to collide with the lower mold 208, thereby speeding up the separation speed of the mold and the model.

[0039] Finally, the first cylinder 205 is turned on, and the first cylinder 205 drives the stripping plate 206 fixedly connected to the output end to move, so as to perform a demoulding process on the lower mold 208.

[0040] The above is a detailed description of an embodiment of the present invention, but the content described is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equal changes and improvements made within the scope of application of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An injection mold for easy demoulding, comprising a support base (1), characterized in that: The support base (1) comprises a first motor (101), a first support rod (102) is fixedly mounted on the top of the support base (1), an output end of the first motor (101) is fixedly connected to a first rotating shaft (103), a second rotating shaft (104) is fixedly connected inside the first rotating shaft (103), a third rotating shaft (105) is symmetrically mounted on one end of the second rotating shaft (104) away from the first rotating shaft (103), a fourth rotating shaft (106) is fixedly mounted inside the two third rotating shafts (105), and the fourth rotating shaft (106) is fixedly mounted inside the first rotating shaft (104). The first rotating rod (107) is rotatably connected to the first rotating rod (107), one end of the first rotating rod (107) away from the fourth rotating shaft (106) is rotatably connected to the fifth rotating shaft (108), the outside of the fifth rotating shaft (108) is rotatably connected to the first moving column (109), the top of the first moving column (109) is fixedly installed with a spring groove (110), the inside of the spring groove (110) is fixedly installed with a first spring (111), the top of the spring groove (110) is fixedly installed with a first moving block (112), and the top of the support base (1) is symmetrically provided with a second support rod (2).

2. The injection mold for easy demoulding according to claim 1, characterized in that: The second support rod (2) comprises a third support rod (201), a spring support seat (202) is symmetrically mounted on the top of the third support rod (201), a second spring (203) is fixedly mounted on the top of the two spring support seats (202), a collision block (204) is fixedly mounted on the top of the second spring (203), a first cylinder (205) is fixedly mounted on the side of the top of the third support rod (201) close to the spring support seat (202), a stripping plate (206) is fixedly mounted on the output end of the first cylinder (205), a fourth support rod (201) is fixedly mounted on the side of the top of the third support rod (201) close to the first cylinder (205), and a fourth support rod (201) is fixedly mounted on the side of the top of the third support rod (201) close to the first cylinder (205). 07), a lower mold (208) is fixedly installed on the top of the fourth support rod (207), an injection groove (209) is opened inside the lower mold (208), cooling pipes (210) are symmetrically installed on both sides of the outside of the lower mold (208), a second moving column (211) is fixedly installed on the bottom of the impact block (204), a spring limiting column (212) is fixedly installed inside the second moving column (211), a first limiting block (213) is fixedly installed on the bottom of the spring limiting column (212), first slide rails (3) are symmetrically installed on both sides of the second support rod (2), and a top plate (4) is fixedly installed on the top of the second support rod (2).

3. The injection mold for easy demoulding according to claim 2, characterized in that: The two first slide rails (3) each include a first sliding block (301), a first sliding groove (302) is provided inside the first sliding block (301), a second sliding block (303) is slidably connected inside the first sliding groove (302), a sixth rotating shaft (304) is rotatably connected inside the second sliding block (303), a second rotating rod (305) is rotatably connected inside the sixth rotating shaft (304), and a threaded groove (306) is provided at one end of the second rotating rod (305) away from the sixth rotating shaft (304).

4. The injection mold for easy demoulding according to claim 2, characterized in that: The top plate (4) comprises a support plate (401), a second cylinder (402) is fixedly mounted on the bottom of the support plate (401), an output end of the second cylinder (402) is fixedly connected to an upper mold (403), a water tank (404) is fixedly mounted on one side of the top of the top plate (4), a water outlet (405) is provided on one side of the water tank (404), and an injection molding tube (406) is fixedly mounted inside the water outlet (405).

5. The injection mold for easy demoulding according to claim 1, characterized in that: The first support rod (102) is rotatably connected to the second rotation shaft (104).

6. The injection mold for easy demoulding according to claim 2, characterized in that: The first spring (111) is slidably connected to the spring limiting column (212), and the stripping plate (206) is slidably connected to the injection molding groove (209).

7. The injection mold for easy demoulding according to claim 4, characterized in that: The injection tube (406) is snap-fitted and connected to the upper mold (403).

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