Die-casting die for metal cover plate
By introducing a push-pull rod and a motor-driven synchronous belt system into the die-casting mold of the metal cover plate, automatic cleaning of the lower mold surface and mold groove is achieved, solving the problem of slow manual cleaning in the prior art and improving the die-casting efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-10
AI Technical Summary
Existing metal cover die-casting molds have residual debris and slag inside after die-casting, which requires manual cleaning. This results in slow cleaning speed and high manpower consumption, affecting the die-casting efficiency of the mold.
A metal cover die-casting mold was designed. By setting up a push-pull rod, guide column block, cleaning brush and motor-driven synchronous belt system, the automatic cleaning of the lower mold surface and mold groove is realized. The cleaning brush slides on the mold surface and inside the groove to perform brushing and cleaning.
It enables convenient and rapid cleaning of the lower mold surface and mold groove, saving manpower and improving the efficiency of mold die casting.
Smart Images

Figure CN224101803U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to die casting die technical field, concretely relates to a metal cover plate die casting die. BACKGROUND
[0002] The metal cover plate die casting die is a tool for manufacturing metal cover plate, which forms the required metal cover plate shape after cooling and solidification by injecting molten metal liquid into the cavity of the die, and the die usually includes base, lower die body, escape airway, guide rod, air cylinder and upper die body and other components. After the die casting of the existing metal cover plate die casting die is completed, a small amount of sundries and slag are usually left inside, in order to facilitate the effect of the next die casting, manual cleaning of the die groove on the lower die is usually required, which is troublesome and labor-consuming when the lower die is cleaned manually, and the cleaning speed of the die is slow, which can affect the efficiency of the die casting. SUMMARY
[0003] To solve the above technical problems, a metal cover plate die casting die is provided, which solves the problem of the existing metal cover plate die casting die in the background art, which usually leaves a small amount of sundries and slag inside after die casting, in order to facilitate the effect of the next die casting, manual cleaning of the die groove on the lower die is usually required, which is troublesome and labor-consuming when the lower die is cleaned manually, and the cleaning speed of the die is slow, which can affect the efficiency of the die casting.
[0004] To achieve the above purposes, the utility model adopts the technical scheme that:
[0005] A metal cover plate die casting die, comprising a die casting lower die, an installation box plate is arranged above the die casting lower die, a push-pull rod is arranged on the front and rear sides of the installation box plate, the middle part of one side of the installation box plate is rotationally connected to the middle part of the upper side of the corresponding push-pull rod, a guide column block is fixedly connected to the middle part of the lower side of the push-pull rod, a guide groove is arranged on the surface of the front and rear sides of the die casting lower die, the guide column block is slidably connected to the guide groove, a plugging cover plate is detachably connected to the top of the installation box plate through a nut, a second cleaning brush is fixedly connected to the middle part of the top end of the plugging cover plate, a first cleaning brush is arranged on the middle part of the inner bottom end of the installation box plate, and a third cleaning brush is arranged on the front and rear sides of the first cleaning brush.
[0006] Preferably, a limiting support plate is arranged on the outer side of the push-pull rod, the middle part of one side of the limiting support plate is slidably connected to the push-pull rod, and a sliding block is fixedly connected to the bottom of the limiting support plate.
[0007] Preferably, a limiting plate is fixedly connected to the top of the front and rear sides of the die casting lower die, and a limiting cavity is arranged between the limiting plate and the die casting lower die.
[0008] Preferably, the bottom of the front and rear sides of the die-casting lower mold is fixedly connected with a fixed plate, the inner side of the fixed plate is provided with a guide cavity, the middle part of the guide cavity is penetrated by an adjusting screw, the middle part of one end of the fixed plate is provided with a synchronous wheel, one end of the adjusting screw is fixedly connected with the middle part of one end of the synchronous wheel, the outer side of the synchronous wheel is provided with a synchronous belt, the bottom of one end of the fixed plate provided on the front side of the die-casting lower mold is fixedly connected with a support plate, the top of the support plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with the middle part of one end of the synchronous wheel.
[0009] Preferably, the slide block is located in the inner side of the guide cavity, and the middle part of the slide block is provided with a spiral hole.
[0010] Preferably, the adjusting screw is penetratedly connected with the slide block through the spiral hole.
[0011] Preferably, the middle part of the upper surface of the first cleaning brush and the middle part of the upper surface of the third cleaning brush are fixedly connected with auxiliary springs, the top of the auxiliary spring is fixedly connected with the bottom of the second cleaning brush, and the first cleaning brush and the third cleaning brush are slidably connected with the inner wall of the inner side of the second cleaning brush.
[0012] Preferably, the middle part of one side of the limiting support plate is provided with a groove, and the middle part of the left and right ends of the inner side of the groove is fixedly connected with a strip block.
[0013] Preferably, the middle part of the left and right ends of the push-pull rod is provided with a strip groove, and the push-pull rod is positioned in the middle part of one side of the limiting support plate through the strip groove and the strip block fixedly arranged in the groove.
[0014] Compared with the prior art, the metal cover plate die-casting mold has the following beneficial effects: the surface of the lower mold and the lower mold groove can be automatically cleaned, the cleaning is relatively convenient and fast, and manpower can be saved.
[0015] The adjusting screw, the sliding block, the guide cavity, the limiting support plate, the push-pull rod, the guide column block, the guide groove, the mounting box plate, the first cleaning brush and the third cleaning brush are driven to rotate synchronously by the motor through the synchronous wheel and the synchronous belt, the rotating adjusting screw drives the sliding block to slide to one end along the guide cavity, drives the limiting support plate fixed at the top to slide to one end, thereby drives the push-pull rod of the side clamp to slide to one end, the guide column block fixedly connected to the bottom of the push-pull rod slides to one end along the guide groove, drives the first cleaning brush and the third cleaning brush arranged below the mounting box plate to slide from one end of the die casting lower mold to the other end of the die casting lower mold under the track guidance of the guide groove, and the upper surface of the die casting lower mold is cleaned and brushed, when the first cleaning brush slides into the mold groove arranged in the middle of the upper surface of the die casting lower mold, the first cleaning brush is lowered into the mold groove under the action of the guide groove, and the mold groove is cleaned and brushed, so that the lower mold surface and the lower mold groove are conveniently and automatically cleaned, the cleaning is convenient and fast, and manpower can be saved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0017] Figure 2 It is a structure schematic view of the utility model from the front view;
[0018] Figure 3 It is a three-dimensional sectional structure schematic view of the die casting lower mold of the utility model;
[0019] Figure 4 It is a structure schematic view of the utility model Figure 3 A enlarged structure schematic view of the A part of the utility model;
[0020] 1, die casting lower mold; 2, guide groove; 3, limiting plate; 4, fixed plate; 5, guide cavity; 6, adjusting screw; 7, sliding block; 8, limiting support plate; 9, push-pull rod; 10, guide column block; 11, synchronous wheel; 12, motor; 13, mounting box plate; 14, synchronous belt; 15, plugging cover plate; 16, first cleaning brush; 17, second cleaning brush; 18, third cleaning brush; 19, auxiliary spring. DETAILED DESCRIPTION
[0021] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious modifications can be thought of by those skilled in the art.
[0022] Example 1
[0023] Please refer to Figure 1 - Figure 4As shown, a metal cover plate die-casting mold, including a die-casting lower mold 1, the upper side of the die-casting lower mold 1 is provided with a mounting box plate 13, the front and rear sides of the mounting box plate 13 are provided with a push-pull rod 9, the middle of one side of the mounting box plate 13 is rotatably connected with the middle of the upper side of the corresponding push-pull rod 9, the middle of the lower side of the push-pull rod 9 is fixedly connected with a guide column block 10, the surface of the front and rear sides of the die-casting lower mold 1 is provided with a guide groove 2, the guide column block 10 is slidably connected with the guide groove 2, the top of the mounting box plate 13 is detachably connected with a plugging cover plate 15 through a nut, the middle of the top end of the plugging cover plate 15 is fixedly connected with a second cleaning brush 17, the middle of the inner bottom end of the mounting box plate 13 is provided with a first cleaning brush 16, the front and rear sides of the first cleaning brush 16 are provided with a third cleaning brush 18, the outer side of the push-pull rod 9 is provided with a limiting support plate 8, the middle of one side of the limiting support plate 8 is slidably connected with the push-pull rod 9, the bottom of the limiting support plate 8 is fixedly connected with a sliding block 7, the top of the front and rear sides of the die-casting lower mold 1 is fixedly connected with a limiting plate 3, a limiting cavity is arranged between the limiting plate 3 and the die-casting lower mold 1, the middle of the upper surface of the first cleaning brush 16 and the middle of the upper surface of the third cleaning brush 18 are fixedly connected with an auxiliary spring 19, the top of the auxiliary spring 19 is fixedly connected with the bottom of the second cleaning brush 17, the first cleaning brush 16 and the third cleaning brush 18 are slidably connected with the inner wall on the inner side of the second cleaning brush 17, the middle of one side of the limiting support plate 8 is provided with a groove, the middle of the inner side of the left and right ends of the groove is fixedly connected with a strip block, the middle of the left and right ends of the push-pull rod 9 is provided with a strip groove, the push-pull rod 9 is positioned in the middle of one side of the limiting support plate 8 through the strip groove and the strip block fixedly arranged in the groove.
[0024] In this embodiment, when the die casting lower mold 1 is cleaned, the limiting support plate 8 sliding to one end drives the push-pull rod 9 fixedly connected outside the strip groove to slide to one end through the groove, the fixed block of the groove and the strip groove slidingly connected with the fixed block. The guiding column block 10 fixedly connected at one end of the push-pull rod 9 will slide to one end along the guiding groove 2 during the sliding process of the push-pull rod 9 to one end. When the guiding column block 10 fixedly connected at one end of the push-pull rod 9 slides to the inclined surface of the guiding groove 2, the inclined surface of the guiding groove 2 pushes and contacts the guiding column block 10 to move upward by a specified distance, thereby driving the push-pull rod 9 fixedly connected at one side of the guiding column block 10 to move upward by a specified distance, and driving the installation box plate 13 rotatingly connected at the top of the push-pull rod 9 to move upward by a specified distance synchronously, so that the lower surface of the first cleaning brush 16 and the third cleaning brush 18 provided at the bottom of the installation box plate 13 is parallel to and in contact with the upper surface of the die casting lower mold 1. When the guiding column block 10 fixedly connected at the bottom of the push-pull rod 9 slides back and forth on the inclined surface, the inclined surface of the die casting lower mold 1 can be brushed and cleaned. When the guiding column block 10 fixedly connected at the end of the push-pull rod 9 slides to the flat area of the guiding groove 2 under the driving of the limiting support plate 8, the limiting support plate 8 drives the push-pull rod 9 to slide back and forth along the flat area under the limitation of the guiding column block 10. At this time, the installation box plate 13 rotatingly connected at the top of the push-pull rod 9 will slide back and forth along the flat surface of the die casting lower mold 1 synchronously, so that the flat surface of the die casting lower mold 1 can be cleaned and brushed. After cleaning and brushing, the limiting support plate 8 continues to slide to one end, thereby driving the push-pull rod 9 of the side sliding clamp to continue to slide to one end. At this time, the guiding column block 10 fixedly connected at the side bottom of the push-pull rod 9 will continue to slide to one end along the guiding groove 2. When the guiding column block 10 slides to the inclined surface of the middle of the guiding groove 2 under the driving of the push-pull rod 9, the inclined surface of the middle of the guiding groove 2 will push and contact the guiding column block 10 to move downward by a specified distance, thereby driving the push-pull rod 9 fixedly connected at one side of the guiding column block 10 to move downward by a specified distance. The downward moving push-pull rod 9 will drive the installation box plate 13 rotatingly connected at the top to move downward by a specified distance. During the downward movement of the installation box plate 13, the upper surface of the die casting lower mold 1 will push and contact the third cleaning brush 18 provided at the middle of the bottom end of the installation box plate 13 to shrink and slide to the inside of the installation box plate 13. At this time, the first cleaning brush 16 provided at the middle of the bottom end of the installation box plate 13 will be clamped into the mold groove provided on the upper surface of the die casting lower mold 1. When the guiding column block 10 fixedly connected at the side bottom of the push-pull rod 9 slides to the flat groove area of the middle of the guiding groove 2 under the driving of the push-pull rod 9 sliding to one end and slides back and forth along the flat area of the middle of the guiding groove 2 under the driving of the limiting support plate 8 sliding back and forth, the push-pull rod 9 fixedly connected at the top of the guiding column block 10 will slide back and forth. The push-pull rod 9 will drive the installation box plate 13 rotatingly connected above to slide back and forth above the mold groove, thereby driving the first cleaning brush 16 provided at the middle of the bottom end of the installation box plate 13 to slide back and forth in the mold groove, so that the mold groove can be brushed and cleaned.When the push-pull rod 9 is driven by the limiting support plate 8 to slide to the other end of the die-casting lower mold 1, the guide column block 10 fixedly connected to one side of the bottom of the push-pull rod 9 will be synchronized to slide to the flat area at the other end of the guide groove 2, and the push-pull rod 9 will drive the mounting box plate 13 installed at the top to move to the other end of the top of the die-casting lower mold 1, and the first cleaning brush 16 and the third cleaning brush 18 provided below will brush and clean the other end of the upper surface of the die-casting lower mold 1. When the push-pull rod 9 continues to slide to one end under the driving of the limiting support plate 8, the guide column block 10 fixedly connected to one side of the bottom of the push-pull rod 9 will be synchronized to slide to the inclined surface at the other end of the guide groove 2 and the flat area at one end of the inclined surface, and the mounting box plate 13 rotatably connected to one side above the push-pull rod 9 will be clamped to the retention platform fixedly connected to the other end of the die-casting lower mold 1.
[0025] Embodiment 2
[0026] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the bottom of the front and rear sides of the die-casting lower mold 1 is fixedly connected with a fixed plate 4, the inner side of the fixed plate 4 is provided with a guide cavity 5, the middle part of the guide cavity 5 penetrates an adjusting screw 6, the middle part of one end of the fixed plate 4 is provided with a synchronous wheel 11, one end of the adjusting screw 6 is fixedly connected to the middle part of the synchronous wheel 11, the outer side of the synchronous wheel 11 is provided with a synchronous belt 14, the bottom of one end of the fixed plate 4 provided on the front side of the die-casting lower mold 1 is fixedly connected with a support plate, the top of the support plate is fixedly connected with a motor 12, the output end of the motor 12 is fixedly connected to the middle part of one end of the synchronous wheel 11, the sliding block 7 is located in the inner side of the guide cavity 5, the middle part of the sliding block 7 is provided with a spiral hole, the adjusting screw 6 penetrates and connects with the sliding block 7 through the spiral hole,
[0027] In this embodiment, when the die-casting lower mold 1 is cleaned, the motor 12 drives the output end fixedly connected with a synchronous wheel 11 to rotate, the rotating synchronous wheel 11 drives another synchronous wheel 11 meshingly connected on the other side of the synchronous belt 14 to rotate synchronously through the synchronous belt 14 provided on the outer side, the rotating synchronous wheel 11 drives the corresponding fixedly connected adjusting screw 6 to rotate synchronously, and the rotating adjusting screw 6 drives the sliding block 7 connected on the outer side to slide left and right along the guide cavity 5.
[0028] The working principle and use flow of the device are as follows: when in use, the synchronous wheel 11 fixedly connected to the output end of the motor 12 rotates, the rotating synchronous wheel 11 drives the other synchronous wheel 11 meshingly connected to the other side of the synchronous belt 14 to rotate synchronously, the rotating synchronous wheel 11 drives the adjusting screw 6 fixedly connected thereto to rotate synchronously, the rotating adjusting screw 6 drives the sliding block 7 connected to the outer side to slide to one end along the guide cavity 5, the sliding block 7 drives the limiting support plate 8 fixedly connected to the top end to slide to one end along the guide cavity 5, the limiting support plate 8 drives the push-pull rod 9 fixedly connected to the outer side of the groove to slide to one end, the push-pull rod 9 drives the guide column block 10 fixedly connected to the bottom end thereof to slide to one end along the guide groove 2, when the guide column block 10 fixedly connected to the bottom end of the push-pull rod 9 slides to the inclined surface protruding upward in the guide groove 2, the guide column block 10 is pushed by the inclined surface to move upward by a specified distance, thereby driving the installation box plate 13 rotatably connected to the top end of the push-pull rod 9 to move upward by a specified distance synchronously, so that the lower surfaces of the first cleaning brush 16 and the third cleaning brush 18 provided on the bottom end of the installation box plate 13 are parallel to and in contact with the upper surface of the die casting lower mold 1, when the guide column block 10 fixedly connected to the bottom end of the push-pull rod 9 slides on the inclined surface, the inclined surface of the upper surface of the die casting lower mold 1 can be brushed and cleaned, when the guide column block 10 fixedly connected to the bottom end of the push-pull rod 9 slides to the flat area of the guide groove 2 under the drive of the limiting support plate 8, the limiting support plate 8 drives the push-pull rod 9 to slide left and right along the flat area under the limitation of the guide column block 10, at this time, the installation box plate 13 rotatably connected to the top end of the push-pull rod 9 slides left and right along the flat surface of the upper surface of the die casting lower mold 1, so that the flat surface of the upper surface of the die casting lower mold 1 can be cleaned and brushed, after cleaning and brushing, the limiting support plate 8 continues to slide to one end, thereby driving the push-pull rod 9 of the sliding clamp to continue to slide to one end, at this time, the guide column block 10 fixedly connected to the bottom end of the push-pull rod 9 continues to slide to one end along the guide groove 2, when the guide column block 10 slides to the inclined surface in the middle of the guide groove 2 under the drive of the push-pull rod 9, the inclined surface in the middle of the guide groove 2 pushes and moves downward by a specified distance, thereby driving the push-pull rod 9 fixedly connected to the side of the guide column block 10 to move downward by a specified distance, the push-pull rod 9 moves downward by a specified distance, thereby driving the installation box plate 13 rotatably connected to the top end to move downward by a specified distance, in the process of moving downward, the upper surface of the die casting lower mold 1 pushes and moves the third cleaning brush 18 in contact with the inside of the installation box plate 13, at this time, the first cleaning brush 16 provided in the middle of the bottom end of the installation box plate 13 is clamped into the mold groove provided in the upper surface of the die casting lower mold 1,When the guiding column block 10 fixedly connected to one side of the bottom of the push-pull rod 9 is driven by the push-pull rod 9 sliding to one end to slide to the flat groove area in the middle of the guide groove 2 and is driven by the left and right sliding limiting support plate 8 to slide left and right at the flat area in the middle of the guide groove 2, the push-pull rod 9 fixedly connected to the top of the guiding column block 10 can slide left and right, and the left and right sliding push-pull rod 9 can drive the installation box plate 13 rotatably connected above to slide left and right above the mold groove, so as to drive the first cleaning brush 16 provided in the middle of the bottom of the installation box plate 13 to slide left and right in the mold groove, so as to clean the mold groove by brushing, when the push-pull rod 9 is driven by the limiting support plate 8 to slide to the other end of the die-casting lower mold 1, the guiding column block 10 fixedly connected to the side of the bottom of the push-pull rod 9 can slide through the inclined surface area and the flat area provided at the other end of the guide groove 2, the push-pull rod 9 can drive the installation box plate 13 installed on the top to move upwards to drive the first cleaning brush 16 provided at the bottom of the installation box plate 13 to move upwards and separate from the mold groove, at this time, the third cleaning brush 18 can move downwards and reset under the pushing of the auxiliary spring 19 provided above, when the first cleaning brush 16 and the third cleaning brush 18 move to the other end of the top of the die-casting lower mold 1, the first cleaning brush 16 and the third cleaning brush 18 provided below can clean the other end of the upper surface of the die-casting lower mold 1 by brushing, when the push-pull rod 9 continues to slide to one end under the driving of the limiting support plate 8, the guiding column block 10 fixedly connected to the side of the bottom of the push-pull rod 9 can slide to the inclined surface at the other end of the guide groove 2 and the flat area at one end of the inclined surface, the installation box plate 13 rotatably connected to the side above the push-pull rod 9 can slide and be clamped to the retention platform fixedly connected to the other end of the die-casting lower mold 1, so as to complete the cleaning of the die-casting lower mold 1, when the installation box plate 13 slides left and right, the sealing cover plate 15 fixedly connected to the top of the installation box plate 13 can slide left and right, and the second cleaning brush 17 fixedly connected to the middle of the top end of the sealing cover plate 15 can slide left and right to brush and clean the surface of the die-casting upper mold.
[0029] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.
Claims
1. A die for the die casting of a metal cover plate, comprising a die lower tool (1), characterized in that: The upper side of the die-casting lower mold (1) is provided with a mounting box plate (13), the front and rear sides of the mounting box plate (13) are provided with a push-pull rod (9), the middle of one side of the mounting box plate (13) is rotationally connected with the middle of the upper side of the corresponding push-pull rod (9), the middle of the lower side of one side of the push-pull rod (9) is fixedly connected with a guide column block (10), the front and rear sides of the die-casting lower mold (1) are provided with a guide groove (2), the guide column block (10) is slidably connected with the guide groove (2), the top of the mounting box plate (13) is detachably connected with a blocking cover plate (15) through a nut, the middle of the top of the blocking cover plate (15) is fixedly connected with a second cleaning brush (17), the middle of the bottom of the inner side of the mounting box plate (13) is provided with a first cleaning brush (16), the front and rear sides of the first cleaning brush (16) are provided with a third cleaning brush (18).
2. A die for die casting a metal cover plate according to claim 1, wherein: The outer side of the push-pull rod (9) is provided with a limiting support plate (8), the middle of one side of the limiting support plate (8) is slidably connected with the push-pull rod (9), and the bottom of the limiting support plate (8) is fixedly connected with a sliding block (7).
3. A die casting mold for a metal cover plate according to claim 1, characterized in that: The top of the front and rear sides of the die-casting lower mold (1) is fixedly connected with a limiting plate (3), and a limiting cavity is arranged between the limiting plate (3) and the die-casting lower mold (1).
4. A die casting mold for a metal cover plate according to claim 1, characterized in that: The bottom of the front and rear sides of the die-casting lower mold (1) is fixedly connected with a fixed plate (4), the inner side of the fixed plate (4) is provided with a guide cavity (5), the middle of the guide cavity (5) penetrates through an adjusting screw (6), the middle of one end of the fixed plate (4) is provided with a synchronous wheel (11), one end of the adjusting screw (6) is fixedly connected with the middle of one end of the synchronous wheel (11), the outer side of the synchronous wheel (11) is provided with a synchronous belt (14) in meshing, the bottom of one end of the fixed plate (4) provided on the front side of the die-casting lower mold (1) is fixedly connected with a support hoop plate, the top of the support hoop plate is fixedly connected with a motor (12), and the output end of the motor (12) is fixedly connected with the middle of one end of the synchronous wheel (11).
5. A die casting mold for a metal cover plate according to claim 2, characterized in that: The sliding block (7) is located on the inner side of the guide cavity (5), the middle of the sliding block (7) is provided with a spiral hole, and the sliding block (7) is slidably connected with the guide cavity (5).
6. A die for die casting a metal cover plate according to claim 4, wherein: The adjusting screw (6) is connected with the sliding block (7) through the spiral hole.
7. A die casting mold for a metal cover plate according to claim 1, characterized in that: The middle of the upper surface of the first cleaning brush (16) and the middle of the upper surface of the third cleaning brush (18) are fixedly connected with an auxiliary spring (19), the top of the auxiliary spring (19) is fixedly connected with the bottom of the second cleaning brush (17), and the first cleaning brush (16) and the third cleaning brush (18) are slidably connected with the inner wall on the inner side of the second cleaning brush (17).
8. A die casting mold for a metal cover plate according to claim 2, characterized in that: The middle of one side of the limiting support plate (8) is provided with a groove, and the middle of the inner sides of the left and right ends of the groove is fixedly connected with a strip block.
9. A die casting mold for a metal cover plate according to claim 1, characterized in that: The middle of the left and right ends of the push-pull rod (9) is provided with a strip groove, and the push-pull rod (9) is positioned in the middle of one side of the limiting support plate (8) through the strip groove and the strip block fixedly arranged in the groove.