Engine pipeline blanking cap injection mold

Abstract

The utility model relates to the technical field of injection molds, and discloses an engine pipeline blanking cap injection mold which comprises an upper mold and a lower mold, the top of the lower mold is provided with a forming cavity, one side of the lower mold is provided with an air inlet channel, the inner wall of the bottom of the forming cavity is provided with a sliding hole, and the sliding hole is communicated with the air inlet channel. A sliding hole is formed in the air inlet channel, a fixing frame is welded to the inner wall of the circumference of the sliding hole, a sliding cylinder is connected into the sliding hole in a sliding mode, and a plurality of evenly-distributed air passing holes are formed in the outer wall of the circumference of the sliding cylinder. And meanwhile, the sliding barrel moves upwards, so that the air passing hole can be exposed out of the sliding hole, air is located at the bottom of the blanking cap, the blanking cap is blown up, the blanking cap is separated from the forming cavity, adhesion of the blanking cap and the mold is avoided, and the discharging effect of the mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, and more specifically to an injection mold for an engine pipeline plugging cover. Background Art

[0002] The engine is composed of many parts, among which are pipe plugs. Most of the common pipe plugs on the market are made of injection molds.

[0003] A search revealed a Chinese patent document with publication number CN214239298U, which discloses an injection mold for an engine pipe plug. Gas flows from an air chamber into the lower end of the cavity, and a support plate moves upward, lifting the mold. This facilitates easy mold removal, reducing work time and improving efficiency. However, a drawback remains: while the plug can be lifted by the support plate, contact between the plug and the support plate persists, and if the contact area sticks to the support plate, removal of the plug becomes difficult. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an injection mold for an engine pipeline plugging cover to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solutions: an injection mold for an engine pipeline plugging cover, comprising an upper mold and a lower mold, a molding cavity is provided at the top of the lower mold, an air inlet is provided on one side of the lower mold, a sliding hole is provided on the bottom inner wall of the molding cavity, and the sliding hole is communicated with the air inlet, a fixing frame is welded to the circumferential inner wall of the sliding hole, a sliding cylinder is slidably connected in the sliding hole, a plurality of evenly distributed air holes are provided on the circumferential outer wall of the sliding cylinder, a tension spring is fixed to the top of the fixing frame by bolts, and the top of the tension spring is fixed to the sliding cylinder, and a blowing component for assisting in blanking the plugging cover is provided on the top of the lower mold.

[0006] Furthermore, the blowing assembly includes two air outlet ducts, both of which are opened inside the lower mold, and the two air outlet ducts are located on both sides of the air inlet duct and are connected to the air inlet duct. Two inclined blowing holes are opened on the top of the lower mold, and the blowing holes are connected to the air outlet duct. A control assembly for opening and closing the air outlet duct is provided in the lower mold.

[0007] Furthermore, the control component includes two slide grooves, both of which are opened in the lower mold, and the two slide grooves are respectively connected to the two air outlets. A slide is slidably connected in the two slide grooves, and one end of the slide is inserted into the air outlet. The circumferential inner wall of the slide cylinder is provided with a power component that drives the slide to move.

[0008] Furthermore, the power assembly includes a guide groove, which is opened on one side of the slide. The inner circumferential wall of the slide is welded with the same number of connecting rods as the slide. A guide block is welded on one side of the connecting rod, and the guide block is located in the guide groove.

[0009] Furthermore, mounting holes are provided at four corners of the top of the upper mold and the bottom of the lower mold.

[0010] Furthermore, a retaining ring is fixed to the circumferential inner wall of the sliding hole by bolts, and the bottom of the sliding cylinder is in contact with the retaining ring.

[0011] Furthermore, a connector is fixed to one end of the air inlet via threads.

[0012] Furthermore, a plurality of telescopic rods are fixed to the bottom inner wall of the lower mold by bolts, and the telescopic rods are fixed to the upper mold.

[0013] The technical effects and advantages of this utility model are:

[0014] 1. The utility model is provided with a slide cylinder and an air hole. External air enters the air inlet through the connector. The air enters the slide hole and blows the slide cylinder upward, thereby assisting in pushing the blocking cover. At the same time, the upward movement of the slide cylinder can expose the air hole to the slide hole, so that the air is located at the bottom of the blocking cover, blowing up the blocking cover, separating the blocking cover from the molding cavity, avoiding adhesion of the blocking cover to the mold, and improving the discharge effect of the mold.

[0015] 2. The utility model is provided with a blowing component, and the air outlet is opened by the control component. The air in the air inlet will enter the blowing hole through the air outlet. The inclined blowing hole will blow the blocking cover away from the mold, eliminating the need for manual unloading and improving the automation of the mold.

[0016] 3. The utility model is provided with a power component. When the slide moves upward, it will drive the connecting rod to move upward, and then the guide block on one side of the connecting rod will move in the guide groove, thereby squeezing the slide plate to move backward, thereby realizing the opening of the air outlet. No additional electronic components are required, thereby reducing the production cost of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model.

[0019] Figure 3 It is a partial enlarged structural schematic diagram of the utility model.

[0020] Figure 4 It is a schematic diagram of the enlarged structure of the slide plate of the present utility model.

[0021] The accompanying drawings are marked as follows: 1. upper mold; 2. molding cavity; 3. lower mold; 4. telescopic rod; 5. mounting hole; 6. blowing hole; 7. connecting head; 8. slide cylinder; 9. sliding hole; 10. air outlet; 11. air inlet; 12. air hole; 13. retaining ring; 14. connecting rod; 15. guide block; 16. tension spring; 17. fixing frame; 18. slide plate; 19. guide groove; 20. slide groove. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] Reference Figure 1-Figure 4 The utility model provides an engine pipeline plugging cover injection mold, including an upper mold 1 and a lower mold 3, a molding cavity 2 is opened on the top of the lower mold 3, and mounting holes 5 are opened at the four corners of the top of the upper mold 1 and the bottom of the lower mold 3 for mounting and fixing the upper mold 1 and the lower mold 3, a plurality of telescopic rods 4 are fixed to the bottom inner wall of the lower mold 3 by bolts, and the telescopic rods 4 are fixed to the upper mold 1 to guide the movement of the upper mold 1 so that the injection port of the upper mold 1 is aligned with the molding cavity 2 of the lower mold 3, an air inlet 11 is opened on one side of the lower mold 3, and a connector 7 is fixed to one end of the air inlet 11 by a thread for connecting to an external air supply device, a sliding hole 9 is opened on the bottom inner wall of the molding cavity 2, and the sliding hole 9 is connected to the air inlet 11, a fixing frame 17 is welded to the circumferential inner wall of the sliding hole 9, a sliding cylinder 8 is slidably connected to the sliding hole 9, and a plurality of evenly distributed air holes 12 are opened on the circumferential outer wall of the sliding cylinder 8, fixed The top of the frame 17 is fixed with a tension spring 16 by bolts, and the top of the tension spring 16 is fixed to the slide cylinder 8, and the circumferential inner wall of the slide hole 9 is fixed with a retaining ring 13 by bolts, and the bottom of the slide cylinder 8 contacts the retaining ring 13, limiting the position of the slide cylinder 8 so that the top of the slide cylinder 8 is flush with the molding cavity 2. The top of the lower mold 3 is provided with a blowing component for assisting the blanking of the plug cover. When in use, the upper mold 1 and the lower mold 3 are installed. When the plug cover is formed and cooled, the external air enters the air inlet 11 through the connector 7. The air will enter the slide hole 9 and blow the slide cylinder 8 upward, thereby assisting in pushing the plug cover. At the same time, the upward movement of the slide cylinder 8 can make the air hole 12 expose the slide hole 9, so that the air is located at the bottom of the plug cover, blowing up the plug cover, so that the plug cover is separated from the molding cavity 2, avoiding the plug cover from sticking to the mold, and then using the blowing component to assist the blanking of the plug cover, completing the discharge of the plug cover, thereby improving the discharge effect of the mold.

[0024] Among them, the blowing component includes two air outlet ducts 10, both of which are opened inside the lower mold 3, and the two air outlet ducts 10 are located on both sides of the air inlet duct 11 and are connected to the air inlet duct 11. Two inclined blowing holes 6 are opened on the top of the lower mold 3, and the blowing holes 6 are connected to the air outlet duct 10. A control component for opening and closing the air outlet duct 10 is provided in the lower mold 3. When the air outlet duct 10 is opened by the control component, the air in the air inlet duct 11 will enter the blowing hole 6 through the air outlet duct 10, and the inclined blowing hole 6 will blow the blocking cover out of the mold. There is no need for manual unloading, which improves the automation of the mold.

[0025] Among them, the control component includes two slide grooves 20, both of which are opened in the lower mold 3, and the two slide grooves 20 are respectively connected to the two air outlets 10. A slide plate 18 is slidably connected in the two slide grooves 20, and one end of the slide plate 18 is inserted into the air outlet 10. The circumferential inner wall of the slide cylinder 8 is provided with a power component for driving the slide plate 18 to move. The slide plate 18 is driven to move by the power component, thereby creating a gap between the slide plate 18 and the air outlet 10. At this time, the air can be partially discharged from the air outlet 10, and the air outlet 10 is controlled, so that the discharge of the blocking cover can be controlled.

[0026] Among them, the power component includes a guide groove 19, which is opened on one side of the slide 18. The inner wall of the circumference of the slide 8 is welded with the same number of connecting rods 14 as the slide 18, and a guide block 15 is welded on one side of the connecting rod 14. The guide block 15 is located in the guide groove 19. The upward movement of the slide 8 will drive the connecting rod 14 to move upward, and then the guide block 15 on the side of the connecting rod 14 will move in the guide groove 19, thereby squeezing the slide 18 to move backward, thereby realizing the opening of the air outlet 10, without the need for additional electronic components, reducing the production cost of the mold.

[0027] The working principle of the present invention is as follows: the upper mold 1 and the lower mold 3 are installed. When the blocking cover is formed and cooled, the external air enters the air inlet 11 through the connecting head 7. The air will enter the sliding hole 9 and blow the slide cylinder 8 upward, thereby assisting in pushing the blocking cover. At the same time, the upward movement of the slide cylinder 8 can make the air hole 12 expose the sliding hole 9, so that the air is located at the bottom of the blocking cover, blowing the blocking cover up, so that the blocking cover is separated from the molding cavity 2, and avoiding the blocking cover from sticking to the mold. In the process of the slide cylinder 8 moving upward, the upward movement of the slide cylinder 8 will drive the connecting rod 14 to move upward, and then the guide block 15 on one side of the connecting rod 14 moves in the guide groove 19, thereby squeezing the slide plate 18 to move backward, and then a gap is generated between the slide plate 18 and the air outlet 10. At this time, the air can be partially discharged from the air outlet 10, and the air in the air inlet 11 will enter the blowing hole 6 through the air outlet 10. The inclined blowing hole 6 will blow the blocking cover out of the mold, eliminating the need for manual unloading and improving the discharge effect of the mold.

[0028] Finally, a few points should be noted: In the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted", "connected", and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0029] In the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

Claims

1. An injection mold for an engine pipe plug cover, comprising an upper mold (1) and a lower mold (3), wherein a molding cavity (2) is formed at the top of the lower mold (3), and characterized in that: An air inlet (11) is provided on one side of the lower mold (3), a sliding hole (9) is provided on the bottom inner wall of the molding cavity (2), and the sliding hole (9) is communicated with the air inlet (11), the circumferential inner wall of the sliding hole (9) is fixedly connected to a fixing frame (17), a slide cylinder (8) is slidably connected inside the sliding hole (9), and a plurality of evenly distributed air holes (12) are provided on the circumferential outer wall of the slide cylinder (8), the top of the fixing frame (17) is fixedly connected to a tension spring (16), and the top of the tension spring (16) is fixed to the slide cylinder (8), and the top of the lower mold (3) is provided with a blowing component for assisting the blanking of the plug cover.

2. The injection mold for an engine pipe plugging cover according to claim 1, characterized in that: The blowing assembly includes two air outlet channels (10), both of which are opened inside the lower mold (3), and the two air outlet channels (10) are located on both sides of the air inlet channel (11) and are connected to the air inlet channel (11). Two inclined blowing holes (6) are opened on the top of the lower mold (3), and the blowing holes (6) are connected to the air outlet channels (10). A control assembly for opening and closing the air outlet channels (10) is provided inside the lower mold (3).

3. The injection mold for an engine pipe plugging cover according to claim 2, characterized in that: The control component includes two slide grooves (20), both of which are opened in the lower mold (3), and the two slide grooves (20) are respectively connected to the two air outlet channels (10), and the two slide grooves (20) are slidably connected with a slide plate (18), and one end of the slide plate (18) is inserted into the air outlet channel (10), and the inner wall of the circumference of the slide cylinder (8) is provided with a power component for driving the slide plate (18) to move.

4. The injection mold for an engine pipe plugging cover according to claim 3, characterized in that: The power assembly includes a guide groove (19), which is opened on one side of the slide (18). The inner circumferential wall of the slide cylinder (8) is fixedly connected with the same number of connecting rods (14) as the slide (18). One side of the connecting rod (14) is fixedly connected with a guide block (15), and the guide block (15) is located in the guide groove (19).

5. The injection mold for an engine pipe plugging cover according to claim 1, characterized in that: Mounting holes (5) are provided at the four corners of the top of the upper mold (1) and the bottom of the lower mold (3).

6. The injection mold for an engine pipe plugging cover according to claim 1, characterized in that: A retaining ring (13) is fixedly connected to the circumferential inner wall of the sliding hole (9), and the bottom of the sliding cylinder (8) is in contact with the retaining ring (13).

7. The injection mold for an engine pipe plugging cover according to claim 1, characterized in that: One end of the air inlet (11) is fixed with a connector (7) via a thread.

8. The injection mold for an engine pipe plugging cover according to claim 5, characterized in that: The bottom inner wall of the lower mold (3) is fixedly connected to a plurality of telescopic rods (4), and the telescopic rods (4) are fixed to the upper mold (1).

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