Injection mold for heat dissipation shell

Abstract

The invention relates to the field of injection molds, in particular to a heat dissipation shell injection mold which comprises an upper mold body, a lower mold body, an insert, a lifting rod and an ejector rod, a lower forming groove is formed in the upper end of the lower mold body, the insert abuts against the groove bottom of the lower forming groove, an upper forming groove is formed in the lower end of the upper mold body, the insert extends into the upper forming groove, and the upper mold body and the lower mold body are combined to form a cavity. A lifting opening and a sliding opening are formed in the groove bottom of the lower forming groove, the lifting opening and the sliding opening vertically penetrate through the lower die, the lifting rod is slidably connected to the inner wall of the lifting opening, the lifting rod is fixedly connected to the insert, the insert is provided with a material ejecting opening, the material ejecting opening vertically penetrates through the insert, and the material ejecting rod is slidably connected to the inner wall of the sliding opening and the inner wall of the material ejecting opening. The lifting opening guides sliding of the lifting rod, the lifting rod slides to control the insert to move, so that the insert is separated from the groove bottom of the lower forming groove, the flange is exposed, limiting to the flange is reduced, the material ejecting opening and the sliding opening guide sliding of the material ejecting rod, the material ejecting rod enables a finished product to be separated from the insert, and the demolding quality is improved.

Description

Technical Field

[0001] The present application relates to the field of injection molds, and in particular to an injection mold for a heat dissipation shell. Background Art

[0002] Injection mold is a tool for producing plastic products, and it is also a tool for giving plastic products complete structure and precise size.

[0003] like Figure 1 As shown in the figure, the edges of the heat sink shell are bent inward to form ribs. After the heat sink shell is injection molded in the mold, a push rod is generally used to eject the finished product. However, the ribs are limited by the mold and difficult to release. Forcible demolding with the push rod can easily cause the finished product to be pulled and deformed, resulting in damage to the heat sink shell and affecting product quality. Summary of the Invention

[0004] In order to improve the demoulding quality, the present application provides a heat dissipation shell injection mold.

[0005] The heat dissipation shell injection mold provided in this application adopts the following technical solution: A heat dissipation shell injection mold comprises an upper mold, a lower mold, an insert, a lifting rod and a ejecting rod, the upper end of the lower mold is provided with a lower molding groove, the insert abuts the bottom of the lower molding groove, the lower end of the upper mold is provided with an upper molding groove, the upper molding groove is used for the insert to extend into, the upper mold and the lower mold are combined to form a cavity, the bottom of the lower molding groove is provided with a lifting port and a sliding port, the lifting port and the sliding port both vertically penetrate the lower mold, the lifting rod is slidably connected to the inner wall of the lifting port, the lifting rod is fixedly connected to the insert, the insert is provided with a ejecting port, the ejecting port vertically penetrates the insert, and the ejecting rod is slidably connected to the inner wall of the sliding port and the inner wall of the ejecting port.

[0006] By adopting the above technical solution, the lifting port guides the sliding of the lifting rod, and the sliding of the lifting rod controls the movement of the insert, so that the insert is separated from the bottom of the lower forming groove, exposing the retaining edge and reducing the limitation of the retaining edge. The ejecting port and the sliding port guide the sliding of the ejecting rod, and the ejecting rod separates the finished product from the insert, thereby improving the demolding quality.

[0007] Preferably, it further comprises a top material block, the upper end of the insert is provided with a mounting groove, the bottom of the mounting groove is connected to the top material port, the top material block is fixedly connected to the upper end of the top material rod, and the top material block is used to abut the heat dissipation shell.

[0008] By adopting the above technical solution, the contact area between the ejecting block and the heat dissipation shell is increased, so that the heat dissipation shell is not easily deformed and damaged, thereby improving the demoulding quality.

[0009] Preferably, it also includes an inclined rod, the bottom of the lower forming groove is fixedly connected to a fixed block, the insert includes a forming block and a sliding block, the forming block abuts the upper end of the fixed block, the lifting rod is fixedly connected to the forming block, the top material port is provided on the forming block, and the sliding blocks are provided with two, and the two sliding blocks are provided on both sides of the fixed block. The fixed block is provided with a guide surface facing the outer wall of the sliding block, and the distance between the two guide surfaces decreases with increasing height. The bottom of the forming groove is provided with a guide port, and the axis of the guide port is parallel to the nearest guide surface. The inclined rod is slidably connected to the inner wall of the guide port, and the inclined rod is fixedly connected to the sliding block.

[0010] By adopting the above technical solution, the inclined rod moves upward, so that the distance between the two sliding blocks is reduced, and the sliding blocks are away from the retaining edge, which reduces the limitation of the retaining edge, reduces the pulling when the product is separated from the insert, reduces the probability of deformation of the product during demolding, and improves the demolding quality.

[0011] Preferably, it also includes a push plate and an adjusting member, the push plate is arranged below the lower mold, the lifting rod is fixedly connected to the push plate, the ejecting rod is slidably connected to the push plate, the adjusting member is fixedly connected to the lower end of the inclined rod, the adjusting member is slidably connected to the push plate, and the sliding direction of the adjusting member is parallel to the width direction of the fixed block.

[0012] By adopting the above technical solution, the push plate moves upward while driving the lifting rod, ejector rod and inclined rod to move simultaneously. The lifting rod causes the forming block to move upward and separate from the fixed block. The inclined rod causes the two sliding blocks to approach each other, and the retaining edge is separated from the insert. The ejector rod slides further to separate the product from the insert, thereby improving the demoulding quality.

[0013] Preferably, it also includes a mounting block, the adjusting member includes a slider and a fixing ring, the push plate is provided with an adjusting port, the mounting block is fixedly connected to the inner wall of the adjusting port, the lower end of the oblique rod extends into the adjusting port, the mounting block is provided with a slide groove at one end facing the oblique rod, the slider is slidably connected to the groove wall of the slide groove, the sliding direction of the slider is parallel to the width direction of the fixed block, the fixing ring is coaxially fixedly connected to the outer wall of the oblique rod, and the slider is fixedly connected to the outer wall of the fixing ring.

[0014] By adopting the above technical solution, the push plate moves upward and at the same time drives the sliding block to move through the inclined rod, the sliding blocks approach each other, and the slider slides in the slide groove, which is convenient for stable use.

[0015] Preferably, it also includes a control member, which includes a control block, a gear, a first rack and a second rack, the control block is fixedly connected to the upper end of the push plate, the control block is provided with a control cavity, a first sliding port and a second sliding port, the first sliding port and the second sliding port are respectively provided on both sides of the control cavity, the first sliding port and the second sliding port are both connected to the control cavity, the gear rotates around its own axis and is connected to the inner wall of the control cavity, the rotation axis of the gear is horizontal, the first rack is slidably connected to the inner wall of the first sliding port, the first rack is fixedly connected to the lower end of the ejecting rod, the second rack is slidably connected to the inner wall of the second sliding port, the upper end of the second rack is used to abut the lower mold, the first rack and the second rack are both meshed with the gear, the push plate is provided with a reset port, the reset port vertically penetrates the push plate, the reset port is connected to the second sliding port, and the reset port is used for the second rack to pass through.

[0016] By adopting the above technical solution, the push plate moves upward while driving the lifting rod and the ejecting rod to move upward. The push plate moves until the second rack abuts the lower mold, the gear rotates, the first rack moves, and the ejecting rod moves upward relative to the push plate, so that the product is separated from the insert, thereby improving the demoulding efficiency.

[0017] Preferably, it also includes a base plate and a column, the base plate is arranged below the push plate, the column is arranged on the outer periphery of the push plate, the two ends of the column are fixedly connected to the base plate and the lower mold respectively, and the lower end of the second rack is used to abut the base plate.

[0018] By adopting the above technical solution, the push plate moves downward while driving the lifting rod and the ejecting rod to move downward. The push plate moves until the second rack abuts the bottom plate, the gear rotates, the second rack moves, and the ejecting rod moves downward relative to the push plate, so that the ejecting block is embedded in the installation groove, which is convenient for repeated use.

[0019] Preferably, it also includes an airbag and a hose, the airbag is fixedly connected to the lower end of the forming block, the upper end of the fixed block is provided with a placement groove, the placement groove is used to place the airbag, the sliding block is provided with an air inlet at one end facing the fixed block, the sliding block is provided with an air outlet at one end away from the fixed block, the sliding block is provided with an air duct, the two ends of the air duct are connected to the air inlet and the air outlet, the upper end of the fixed block is provided with an embedding groove, the embedding groove is connected to the placement groove, one end of the hose is coaxially fixedly connected to the bag opening of the airbag, and the other end of the hose is coaxially fixedly connected to the inner wall of the air inlet, and the embedding groove is used to place the hose.

[0020] By adopting the above technical solution, the gas in the airbag expands due to the high temperature. When the push plate moves upward, the sliding blocks approach each other and squeeze the airbag, and the gas is ejected from the outlet, further drying the product and improving the product production quality. The airbag increases the friction with the push rod, allowing the push rod to move stably.

[0021] Preferably, it also includes a control column, a control groove is provided at the lower end of the sliding block, the control groove is provided between the air outlet and the fixed block, the axis of the control groove is parallel to the axis of the inclined rod, the control groove is connected to the airway, the control column is fixedly connected to the bottom of the lower molding groove, the control column is slidably connected to the groove wall of the control groove, and the control column is used to control the connection of the airway.

[0022] By adopting the above technical solution, the control column guides the sliding block and controls the connection of the air channel, so that the gas cannot be ejected under normal injection molding state. When the lifting rod pushes the molding block to move upward, it controls it away from the sliding block, so that the air channel is connected, the auxiliary product is separated from the insert, and the product is air-dried at the same time.

[0023] Preferably, a rubber pad is further included, the outer wall of the sliding block is provided with a limiting groove, the bottom of the limiting groove is connected to the air inlet, one end of the rubber pad is fixedly connected to the groove wall of the limiting groove, and the rubber pad is used to seal the air outlet.

[0024] By adopting the above technical solution, the rubber pad prevents the injection molding material from entering the air outlet during the injection molding process, so that the device can be used stably.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. The lifting port guides the sliding of the lifting rod, which controls the movement of the insert, separating the insert from the bottom of the lower forming groove, exposing the retaining edge and reducing the limit of the retaining edge. The ejection port and the sliding port guide the sliding of the ejection rod, which separates the finished product from the insert and improves the demoulding quality. 2. The upward movement of the inclined rod reduces the distance between the two sliding blocks, and the sliding blocks move away from the retaining edge, which reduces the limit on the retaining edge, reduces the pulling when the product is separated from the insert, reduces the probability of product deformation during demoulding, and improves the demoulding quality; 3. When the push plate moves upward, it drives the lifting rod and the ejector rod to move upward. The push plate moves until the second rack abuts the lower die. The gear rotates, the first rack moves, and the ejector rod moves upward relative to the push plate, so that the product is separated from the insert, thereby improving the demoulding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the heat dissipation shell.

[0027] Figure 2 The utility model is a schematic diagram of the overall structure of a heat dissipation shell injection mold.

[0028] Figure 3 It is a cross-sectional view of a heat dissipation shell injection mold.

[0029] Figure 4This is a cross-sectional view of a heat sink shell injection mold, mainly used to show the lower mold, insert, upper mold and auxiliary components.

[0030] Figure 5 It is a cross-sectional view of the lower die, insert and pusher assembly.

[0031] Figure 6 It is a schematic diagram of the overall structure of the insert and pusher assembly.

[0032] Figure 7 It is a schematic diagram of the overall structure of the mounting block and the adjusting parts.

[0033] Figure 8 yes Figure 3 Enlarged view of point A in the middle.

[0034] Explanation of reference numerals: 1. lower mold; 11. lower molding groove; 12. molding cavity; 13. fixing block; 131. guide surface; 132. placement groove; 133. embedding groove; 14. lifting port; 15. sliding port; 16. guide port; 2. insert; 21. molding block; 211. ejecting port; 212. mounting groove; 22. sliding block; 221. air inlet; 222. air outlet; 223. air duct; 224. control groove; 225. limiting groove; 3. upper mold; 31. upper molding groove; 32. injection port; 4. support member; 41. bottom plate; 42. column; 5. ejector assembly; 51. lifting rod; 52. Ejector rod; 53. Ejector block; 54. Inclined rod; 55. Ejector plate; 551. Adjustment port; 552. Avoidance port; 553. Reset port; 56. Mounting block; 561. Slide groove; 57. Adjustment member; 571. Slider; 5711. Rotation port; 572. Fixed ring; 5721. Rotation column; 58. Control member; 581. Control block; 5811. Control chamber; 5812. First sliding port; 5813. Second sliding port; 582. Gear; 583. First rack; 584. Second rack; 6. Auxiliary components; 61. Airbag; 62. Hose; 63. Control column; 64. Rubber pad. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-8 This application is described in further detail.

[0036] The embodiment of the present application discloses a heat dissipation shell injection mold. Figure 2 and Figure 3 A heat dissipation shell injection mold includes a lower mold 1, an insert 2, an upper mold 3, a support member 4, a pusher assembly 5 and an auxiliary assembly 6.

[0037] Reference Figure 3 and Figure 4The upper end of the lower mold 1 is provided with a lower molding groove 11, and the insert 2 abuts against the bottom of the lower molding groove 11. The lower end of the upper mold 3 is provided with an upper molding groove 31, and the upper molding groove 31 is used to allow the insert 2 to extend into. The upper mold 3 and the lower mold 1 are combined to form a mold cavity 12. The upper end of the upper mold 3 is provided with an injection port 32, which is connected to the mold cavity 12.

[0038] Reference Figure 2 The support member 4 includes a base plate 41 and a column 42. The base plate 41 is arranged below the lower mold 1. The two ends of the column 42 are fixedly connected to the lower end of the lower mold 1 and the upper end of the base plate 41 respectively. There are two columns 42, and the two columns 42 are close to the two ends of the base plate 41 respectively.

[0039] Reference Figure 3 and Figure 4 The bottom of the lower molding groove 11 is fixedly connected with a fixed block 13, the insert 2 includes a molding block 21 and a sliding block 22, the molding block 21 abuts the upper end of the fixed block 13, and the bottom of the lower molding groove 11 is provided with a lifting port 14 and a sliding port 15, the lifting port 14 and the sliding port 15 both vertically penetrate the lower mold 1, the lifting port 14 and the sliding port 15 both penetrate the fixed block 13, and there are two lifting ports 14 and two sliding ports 15. The sliding port 15 and the lifting port 14 are spaced apart along the length direction of the fixed block 13.

[0040] Reference Figure 3 and Figure 5 The pushing assembly 5 includes a lifting rod 51, a pushing rod 52, a pushing block 53, a tilting rod 54, a pushing plate 55, a mounting block 56, an adjusting member 57 and a control member 58. The lifting rod 51 is slidably connected to the inner wall of the lifting port 14, and the upper end of the lifting rod 51 is fixedly connected to the forming block 21. There are two lifting rods 51, and the lifting rods 51 are arranged one-to-one corresponding to the lifting port 14.

[0041] Reference Figure 3 The forming block 21 is provided with a feed opening 211 that vertically penetrates the forming block 21. There are two feed openings 211, each corresponding to the sliding opening 15. The feed rod 52 is slidably connected to the inner wall of the sliding opening 15 and the inner wall of the feed opening 211. The upper end of the forming block 21 is provided with a mounting groove 212, the bottom of which is connected to the feed opening 211. The feed block 53 is fixedly connected to the upper end of the feed rod 52 and is used to abut the heat sink.

[0042] Reference Figure 5There are two sliding blocks 22, which are respectively arranged on both sides of the fixed block 13. A guide surface 131 is provided on the outer wall of the fixed block 13 facing the sliding block 22. The guide surface 131 is set as an inclined surface. The distance between the two guide surfaces 131 decreases with the increase of height. The two guide surfaces 131 are symmetrically arranged. The lower end of the sliding block 22 abuts the bottom of the lower molding groove 11, and the upper end of the sliding block 22 abuts the lower end of the molding block 21.

[0043] A guide opening 16 is provided at the bottom of the lower forming groove 11. There are four guide openings 16, and the four guide openings 16 are evenly divided into two groups. The two groups of guide openings 16 are respectively provided on both sides of the fixed block 13. Each group of guide openings 16 is spaced apart along the length direction of the fixed block 13. The axis of the guide opening 16 is parallel to the nearest guide surface 131. There are four oblique rods 54, and the oblique rods 54 are arranged one-to-one corresponding to the guide openings 16. The oblique rods 54 are slidably connected to the inner wall of the guide opening 16, and the upper end of the oblique rod 54 is fixedly connected to the lower end of the sliding block 22.

[0044] Reference Figure 3 and Figure 5 The push plate 55 is arranged between the lower mold 1 and the bottom plate 41, the lower end of the lifting rod 51 is fixedly connected to the push plate 55, the ejection rod 52 is slidably connected to the push plate 55, and the adjusting member 57 is fixedly connected to the lower end of the inclined rod 54. There are four adjusting members 57, and the adjusting members 57 are arranged one by one corresponding to the inclined rod 54.

[0045] Reference Figure 5 and Figure 6 The adjusting member 57 includes a slider 571 and a fixing ring 572. The push plate 55 is provided with an adjusting port 551. There are four adjusting ports 551 and eight mounting blocks 56. Two mounting blocks 56 are provided in each adjusting port 551. The two mounting blocks 56 are fixedly connected to the opposite inner walls of the adjusting port 551. The lower end of the oblique rod 54 extends into the adjusting port 551. The end of the mounting block 56 facing the oblique rod 54 is provided with a slide groove 561. The slider 571 is slidably connected to the groove wall of the slide groove 561. The sliding direction of the slider 571 is parallel to the width direction of the fixed block 13. The fixing ring 572 is coaxially fixed to the outer wall of the oblique rod 54.

[0046] Reference Figure 5 and Figure 7 The outer wall of the fixing ring 572 is fixedly connected with a rotating column 5721, the slider 571 is provided with a rotating opening 5711, the rotating column 5721 is coaxially connected to the inner wall of the rotating opening 5711, and the rotating axis of the rotating column 5721 is parallel to the length direction of the fixing block 13.

[0047] Reference Figure 8There are two control members 58, and the control members 58 are arranged in one-to-one correspondence with the ejecting rods 52. The control member 58 includes a control block 581, a gear 582, a first rack 583 and a second rack 584. The control block 581 is arranged between the two ejecting rods 52. The control block 581 is fixedly connected to the upper end of the push plate 55. The control block 581 is provided with a control cavity 5811, a first sliding port 5812 and a second sliding port 5813. The first sliding port 5812 and the second sliding port 5813 are respectively arranged on both sides of the control cavity 5811. The first sliding port 5812 and the second sliding port 5813 are both connected to the control cavity 5811, and the first sliding port 5812 and the second sliding port 5813 both vertically penetrate the control block 581.

[0048] Reference Figure 3 and Figure 8 The gear 582 rotates around its own axis and is connected to the inner wall of the control chamber 5811. The rotation axis of the gear 582 is parallel to the width direction of the fixed block 13. The first rack 583 is slidably connected to the inner wall of the first sliding opening 5812. The first rack 583 is fixedly connected to the lower end of the ejector rod 52. The second rack 584 is slidably connected to the inner wall of the second sliding opening 5813. The upper end of the second rack 584 is used to abut the lower end of the lower mold 1. The first rack 583 and the second rack 584 are both engaged with the gear 582.

[0049] The push plate 55 is provided with an avoidance opening 552 and a reset opening 553, both of which pass through the push plate 55 vertically. The avoidance opening 552 is connected to the first sliding opening 5812, and the reset opening 553 is connected to the second sliding opening 5813. The avoidance opening 552 is used for the first rack 583 to extend into, and the reset opening 553 is used for the second rack 584 to pass through. The lower end of the second rack 584 is used to abut against the bottom plate 41.

[0050] Reference Figure 3 and Figure 4 The auxiliary assembly 6 includes an airbag 61, a hose 62, a control column 63, and a rubber pad 64. The airbag 61 is fixedly connected to the lower end of the forming block 21. There are three airbags 61, which are spaced apart along the length of the fixed block 13. The three airbags 61 are respectively arranged between the lifting rod 51 and the ejecting rod 52, between the ejecting rod 52 and the ejecting rod 52, and between the ejecting rod 52 and the lifting rod 51. A placement groove 132 is provided at the upper end of the fixed block 13 for placing the airbags 61.

[0051] Reference Figure 4The end of the sliding block 22 facing the fixed block 13 is provided with an air inlet 221. The upper end of the fixed block 13 is provided with six embedding grooves 133, evenly spaced on either side of the placement groove 132. The embedding grooves 133 are connected to the placement groove 132. One end of the hose 62 is coaxially fixedly connected to the inner wall of the airbag opening 61, and the other end of the hose 62 is coaxially fixedly connected to the inner wall of the air inlet 221. The embedding grooves 133 are used to accommodate the hose 62. The outer wall of the sliding block 22 near the retaining edge is provided with an air outlet 222. The sliding block 22 is also provided with an air channel 223, the ends of which are respectively connected to the air inlet 221 and the air outlet 222.

[0052] The lower end of the sliding block 22 is provided with a control groove 224, which is located between the air outlet 222 and the fixed block 13. The axis of the control groove 224 is parallel to the axis of the inclined rod 54. The control groove 224 is connected to the air passage 223. The control column 63 is fixedly connected to the bottom of the lower molding groove 11 and slidably connected to the groove wall of the control groove 224. The control column 63 is used to control the connection of the air passage 223. The outer wall of the sliding block 22 facing the retaining edge is provided with a limiting groove 225. The bottom of the limiting groove 225 is connected to the air outlet 222. One end of the rubber pad 64 is fixedly connected to the groove wall of the limiting groove 225. The rubber pad 64 is used to block the air outlet 222. The end surface of the rubber pad 64 facing away from the air outlet 222 smoothly transitions with the outer wall of the sliding block 22.

[0053] The implementation principle of the heat dissipation shell injection mold of the embodiment of the present application is: when demolding is required, the push plate 55 moves upward and drives the lifting rod 51, the ejecting rod 52 and the inclined rod 54 to move upward. The lifting rod 51 makes the product move upward along with the forming block 21, and the inclined rod 54 makes the sliding blocks 22 approach each other and away from the product, squeezing the airbag 61, and the push plate 55 moves to the second rack 584 to abut the lower mold 1, the gear 582 rotates, the first rack 583 moves, and the ejecting rod 52 moves upward relative to the push plate 55, so that the product is separated from the insert 2, thereby improving the demolding efficiency.

[0054] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A heat dissipation shell injection mold, characterized in that: The mold comprises an upper mold (3), a lower mold (1), an insert (2), a lifting rod (51) and a ejector rod (52); the upper end of the lower mold (1) is provided with a lower molding groove (11); the insert (2) abuts against the bottom of the lower molding groove (11); the lower end of the upper mold (3) is provided with an upper molding groove (31); the upper molding groove (31) is used for the insert (2) to extend into; the upper mold (3) and the lower mold (1) are combined to form a mold cavity (12); the bottom of the lower molding groove (11) is provided with a lifting port (14) and a sliding opening (15), the lifting opening (14) and the sliding opening (15) both vertically penetrate the lower mold (1), the lifting rod (51) is slidably connected to the inner wall of the lifting opening (14), the lifting rod (51) is fixedly connected to the insert (2), the insert (2) is provided with a ejection opening (211), the ejection opening (211) vertically penetrates the insert (2), and the ejection rod (52) is slidably connected to the inner wall of the sliding opening (15) and the inner wall of the ejection opening (211).

2. The heat dissipation shell injection mold according to claim 1, characterized in that: It also comprises a top material block (53), the upper end of the insert (2) is provided with a mounting groove (212), the bottom of the mounting groove (212) is connected to the top material opening (211), the top material block (53) is fixedly connected to the upper end of the top material rod (52), and the top material block (53) is used to abut against the heat dissipation shell.

3. The heat dissipation shell injection mold according to claim 1, characterized in that: The invention also comprises an inclined rod (54), the bottom of the lower molding groove (11) is fixedly connected to a fixed block (13), the insert (2) comprises a molding block (21) and a sliding block (22), the molding block (21) abuts against the upper end of the fixed block (13), the lifting rod (51) is fixedly connected to the molding block (21), the ejection port (211) is arranged on the molding block (21), two sliding blocks (22) are arranged, the two sliding blocks (22) are arranged on both sides of the fixed block (13), the outer wall of the fixed block (13) facing the sliding block (22) is provided with a guide surface (131), the distance between the two guide surfaces (131) decreases with the increase of height, the bottom of the molding groove is provided with a guide opening (16), the axis of the guide opening (16) is parallel to the nearest guide surface (131), the inclined rod (54) is slidably connected to the inner wall of the guide opening (16), and the inclined rod (54) is fixedly connected to the sliding block (22).

4. The heat dissipation shell injection mold according to claim 3, characterized in that: It also includes a push plate (55) and an adjusting member (57), wherein the push plate (55) is arranged below the lower mold (1), the lifting rod (51) is fixedly connected to the push plate (55), the ejecting rod (52) is slidably connected to the push plate (55), the adjusting member (57) is fixedly connected to the lower end of the inclined rod (54), the adjusting member (57) is slidably connected to the push plate (55), and the sliding direction of the adjusting member (57) is parallel to the width direction of the fixed block (13).

5. The heat dissipation shell injection mold according to claim 4, characterized in that: The push plate (55) further comprises a mounting block (56), the adjusting member (57) comprising a sliding block (571) and a fixing ring (572), the pushing plate (55) being provided with an adjusting opening (551), the mounting block (56) being fixedly connected to the inner wall of the adjusting opening (551), the lower end of the inclined rod (54) extending into the adjusting opening (551), the mounting block (56) being provided with a sliding groove (561) at one end of the mounting block (56) facing the inclined rod (54), the sliding block (571) being slidably connected to the groove wall of the sliding groove (561), the sliding direction of the sliding block (571) being parallel to the width direction of the fixing block (13), the fixing ring (572) being coaxially fixedly connected to the outer wall of the inclined rod (54), and the sliding block (571) being connected to the outer wall of the fixing ring (572).

6. The heat dissipation shell injection mold according to claim 4, characterized in that: The invention also includes a control member (58), wherein the control member (58) includes a control block (581), a gear (582), a first rack (583) and a second rack (584); the control block (581) is fixedly connected to the upper end of the push plate (55); the control block (581) is provided with a control cavity (5811), a first sliding opening (5812) and a second sliding opening (5813); the first sliding opening (5812) and the second sliding opening (5813) are respectively provided on both sides of the control cavity (5811); the first sliding opening (5812) and the second sliding opening (5813) are both connected to the control cavity (5811); the gear (582) is connected to the inner wall of the control cavity (5811) by rotating around its own axis; ... 82) has a horizontal axis of rotation, the first rack (583) is slidably connected to the inner wall of the first sliding opening (5812), the first rack (583) is fixedly connected to the lower end of the ejector rod (52), the second rack (584) is slidably connected to the inner wall of the second sliding opening (5813), the upper end of the second rack (584) is used to abut the lower mold (1), the first rack (583) and the second rack (584) are both engaged with the gear (582), the push plate (55) is provided with a reset opening (553), the reset opening (553) vertically penetrates the push plate (55), the reset opening (553) is connected to the second sliding opening (5813), and the reset opening (553) is used for the second rack (584) to pass through.

7. The heat dissipation shell injection mold according to claim 6, characterized in that: It also includes a bottom plate (41) and a column (42), wherein the bottom plate (41) is arranged below the push plate (55), and the column (42) is arranged on the outer periphery of the push plate (55), and the two ends of the column (42) are respectively fixedly connected to the bottom plate (41) and the lower mold (1), and the lower end of the second rack (584) is used to abut the bottom plate (41).

8. The heat dissipation shell injection mold according to claim 3, characterized in that: The invention also comprises an air bag (61) and a hose (62), wherein the air bag (61) is fixedly connected to the lower end of the forming block (21), the upper end of the fixing block (13) is provided with a placement groove (132), the placement groove (132) is used to place the air bag (61), the end of the sliding block (22) facing the fixing block (13) is provided with an air inlet (221), the end of the sliding block (22) facing away from the fixing block (13) is provided with an air outlet (222), and the sliding block (22) is provided with an air inlet (221). The air passage (223) is connected to the air inlet (221) and the air outlet (222) at two ends thereof; the upper end of the fixing block (13) is provided with a embedding groove (133) which is connected to the placement groove (132); one end of the hose (62) is coaxially fixedly connected to the bag opening of the air bag (61); the other end of the hose (62) is coaxially fixedly connected to the inner wall of the air inlet (221); and the embedding groove (133) is used to place the hose (62).

9. The heat dissipation shell injection mold according to claim 8, characterized in that: The invention also comprises a control column (63), a control groove (224) being provided at the lower end of the sliding block (22), the control groove (224) being provided between the air outlet (222) and the fixed block (13), the axis of the control groove (224) being parallel to the axis of the inclined rod (54), the control groove (224) being connected to the air passage (223), the control column (63) being fixedly connected to the groove bottom of the lower molding groove (11), the control column (63) being slidably connected to the groove wall of the control groove (224), and the control column (63) being used to control the connection of the air passage (223).

10. The heat dissipation shell injection mold according to claim 8, characterized in that: It also includes a rubber pad (64), the outer wall of the sliding block (22) is provided with a limiting groove (225), the bottom of the limiting groove (225) is connected to the air inlet (221), one end of the rubber pad (64) is fixedly connected to the groove wall of the limiting groove (225), and the rubber pad (64) is used to block the air outlet (222).

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