Injection molding equipment for front baffle guide plate of wheel casing

Abstract

The invention relates to injection molding equipment for a front baffle guide plate of a wheel cover, and relates to the technical field of automobile wheel covers, the injection molding equipment comprises a lower mold and an upper mold, the lower mold is located under the upper mold, a lower support is arranged at the bottom of the lower mold, a quantitative box is arranged on the lower support, and a quantitative plate is slidably arranged in the quantitative box; a feeding pipe is arranged between the quantifying box and the lower die in a communicating mode, a feeding valve is arranged on the feeding pipe, an upper support is arranged on the upper die, a metering box is arranged on the upper support, a metering plate is arranged in the metering box in a sliding mode, a discharging pipe is arranged between the metering box and the upper die in a communicating mode, and a discharging valve is arranged on the discharging pipe. A metering assembly is arranged between the upper support and the metering plate and used for detecting the liquid level in the metering box. The mold has the effects that the mold is conveniently filled with molten materials, and the injection molding quality of the front wheel cover guide plate is improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile wheel covers, in particular to an injection molding device for a front wind deflector of a wheel cover. Background Art

[0002] The front wheel deflector is used to guide the air at the front wheel position of the car, thereby reducing air resistance. In the process of producing the front wheel deflector, injection molding is a widely used manufacturing method. The injection molding process injects molten material into a pre-designed mold and forms the required parts after cooling and solidification.

[0003] At present, the injection molding equipment of the front wheel cover deflector is composed of a machine base, a frame, a cylinder, an upper mold and a lower mold. The frame is installed on the machine base, the cylinder is installed on the frame, the upper mold is installed on the output shaft of the cylinder, and the lower mold is installed on the machine base. The upper mold and the lower mold are arranged oppositely, and an injection port is opened on the upper mold. Start the cylinder, the cylinder drives the upper mold and the lower mold to close the mold, and then the injection material is injected from the injection port between the upper mold and the lower mold.

[0004] During the injection molding process of the front wheel cover deflector, it is easy for the molten material to fail to completely fill every corner of the mold during filling, resulting in defects in the molded front wheel cover deflector, such as local voids, depressions or uneven surfaces, resulting in low injection molding quality of the front wheel cover deflector. Summary of the invention

[0005] In order to facilitate the filling of the mold with molten material and improve the injection molding quality of the front wheel cover deflector, the present application provides an injection molding device for the wheel cover front deflector.

[0006] The present application provides an injection molding device for a wheel housing front spoiler, which adopts the following technical solution: An injection molding device for a wheel arch front deflector comprises a lower mold and an upper mold, wherein the lower mold is located directly below the upper mold, a lower bracket is arranged at the bottom of the lower mold, a quantitative box is arranged on the lower bracket, a quantitative plate is slidably arranged in the quantitative box, a feed pipe is arranged in communication between the quantitative box and the lower mold, a feed valve is arranged on the feed pipe, an upper bracket is arranged on the upper mold, a metering box is arranged on the upper bracket, a metering plate is slidably arranged in the metering box, a discharge pipe is arranged in communication between the metering box and the upper mold, a discharge valve is arranged on the discharge pipe, a metering component is arranged between the upper bracket and the metering plate, and the metering component is used to detect the liquid level in the metering box.

[0007] By adopting the above technical scheme, a specified amount of molten material is injected into the metering box. After the upper mold and the lower mold are closed, the metering plate moves to squeeze the molten material in the metering box from the feed pipe into the space between the upper mold and the lower mold. When all the molten material in the metering box is squeezed out, the feed valve is closed. At this time, the excess molten material between the upper mold and the lower mold enters the metering box through the discharge pipe. Then, the liquid level in the metering box is detected by the metering component. If the liquid level in the metering box is lower than the minimum threshold, it means that the seal between the upper mold and the lower mold has failed, and the staff intervenes to check the fault. If the liquid level in the metering box is higher than the maximum threshold, it means that the molten material has not completely filled all corners of the mold. At this time, the metering plate moves to squeeze a part of the molten material in the metering box from the discharge pipe into the space between the upper mold and the lower mold, thereby filling the space between the upper mold and the lower mold with the molten material again, so as to facilitate the molten material to fill the mold, reduce the defects of the front wheel cover deflector, and improve the injection molding quality of the front wheel cover deflector.

[0008] Preferably, a quantitative pressure sensor is fixedly arranged on the lower bracket, and the quantitative box is arranged on the quantitative pressure sensor; and a metering pressure sensor is fixedly arranged on the upper bracket, and the metering box is arranged on the metering pressure sensor.

[0009] By adopting the above technical scheme, when the molten material fills the metering box, the quantitative pressure sensor detects the weight of the molten material in the metering box, thereby calculating the density of the molten material, and then infers the minimum threshold value of the liquid level in the metering box and the maximum threshold value of the liquid level in the metering box according to the density of the molten material. When the molten material is injected into the metering box, the metering pressure sensor detects the weight of the molten material in the metering box, so that molten materials of the same volume and weight are injected into the metering box. The usage of the molten material is determined by the two parameters of weight and volume, thereby improving the injection molding quality of the front wheel cover deflector.

[0010] Preferably, a quantitative motor is fixedly arranged on the quantitative box, a quantitative screw is fixedly arranged on the output shaft of the quantitative motor, the quantitative screw is rotatably arranged in the quantitative box, the quantitative screw is threadedly connected to the quantitative plate, a quantitative slide rod is fixedly arranged in the quantitative box, and the quantitative slide rod passes through the quantitative plate.

[0011] By adopting the above technical solution, the quantitative motor starts to drive the quantitative screw to rotate, and the rotation of the quantitative screw drives the quantitative plate to move along the quantitative slide rod. The movement of the quantitative plate squeezes out the molten material in the quantitative box from the feed pipe.

[0012] Preferably, the metering assembly includes a metering rod, a plurality of metering laser emitters and a plurality of metering laser receivers, the metering laser emitters and the metering laser receivers are both arranged on an upper bracket, the metering laser emitters and the metering laser receivers are arranged opposite to each other, one end of the metering rod is connected to the side of the metering plate away from the discharge pipe, the other end of the metering rod passes through the side wall of the metering box away from the discharge pipe, and the metering rod is located outside the metering box and is shielded between the metering laser emitters and the metering laser receivers.

[0013] By adopting the above technical solution, when the molten material is squeezed into the metering box from the discharge pipe, the molten material pushes the metering plate to move, and the metering plate drives the metering rod to move. The metering rod is located outside the metering box and is blocked between the metering laser transmitter and the metering laser receiver. Therefore, the metering laser transmitter and the metering laser receiver can obtain the liquid level of the molten material in the metering box according to the blocked situation.

[0014] Preferably, a plurality of metering cylinders are fixedly arranged on the upper bracket, and the output shafts of the metering cylinders penetrate the top wall of the metering box.

[0015] By adopting the above technical solution, when the molten material in the metering box needs to be squeezed from the discharge pipe into between the upper mold and the lower mold, the output shaft of the metering cylinder is extended, thereby pushing the metering plate closer to the discharge pipe.

[0016] Preferably, an upper machine base is fixedly arranged at the bottom of the lower bracket, a driving cylinder is fixedly arranged on the upper machine base, and an output shaft of the driving cylinder is fixedly connected to the upper mold.

[0017] By adopting the above technical solution, when the output shaft of the driving cylinder is extended, the upper mold and the lower mold are moved away from each other, and when the output shaft of the driving cylinder is shortened, the upper mold and the lower mold are moved closer to each other.

[0018] Preferably, a plurality of guide holes are formed through the upper machine base, guide rods are inserted into the guide holes, and the bottom ends of the guide rods are welded to the lower machine base.

[0019] By adopting the above technical scheme, when all the molten material in the metering box is squeezed into the space between the upper mold and the lower mold, the upper machine base is moved back and forth along the guide rod, so that the upper machine base drives the upper mold and the lower mold to shake, so as to facilitate the molten material to fill the space between the upper mold and the lower mold. When the upper machine base drives the upper mold and the lower mold to shake, the liquid level of the molten material in the metering box is detected.

[0020] Preferably, a support spring is sleeved on the guide rod, the top of the support spring abuts against the bottom of the upper machine base, and the bottom of the support spring abuts against the top of the lower machine base.

[0021] By adopting the above technical solution, the support spring abuts between the upper base and the lower base. When the upper base approaches the lower base along the guide rod, the support spring is compressed to provide a reverse force, thereby buffering the fall of the upper base and reducing the collision between the upper base and the lower base.

[0022] Preferably, a group of support seats are fixedly arranged on the lower machine base, a support shaft is rotatably arranged on the support seat, a plurality of eccentric wheels are sleeved on the support shaft, the eccentric wheels are fixedly connected to the support shaft, and the top of the eccentric wheel abuts against the bottom of the upper machine base.

[0023] By adopting the above technical solution, the rotation of the support shaft drives the eccentric wheel to rotate, and the rotation of the eccentric wheel causes the upper machine base to move up and down along the outer wall of the eccentric wheel, thereby achieving the effect of causing the upper machine base to move up and down along the guide rod.

[0024] Preferably, a support motor is fixedly arranged on the lower machine base, a group of driving pulleys are fixedly arranged on the output shaft of the support motor, a transmission pulley is sleeved on the support shaft, the transmission pulley is fixedly connected to the support shaft, and a transmission belt is jointly sleeved on the drive pulley and the transmission pulley.

[0025] By adopting the above technical solution, the support motor starts to drive the driving pulley to rotate, the driving pulley drives the transmission belt to move, the movement of the transmission belt drives the transmission pulley to rotate, and the transmission pulley drives the support shaft to rotate.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting the lower mold, upper mold, lower bracket, quantitative box, quantitative plate, feed pipe, feed valve, upper bracket, metering box, metering plate, discharge pipe, discharge valve and metering components, the molten material can be easily filled into the mold, the defects of the front wheel cover deflector can be reduced, and the injection molding quality of the front wheel cover deflector can be improved; 2. By setting up quantitative pressure sensors and metering pressure sensors, the amount of molten material used is determined by weight and volume; 3. The liquid level of the molten material in the metering box is detected by setting a metering rod, a plurality of metering laser transmitters and a plurality of metering laser receivers. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of an injection molding device for a wheel arch front deflector in an embodiment of the present application.

[0028] Figure 2 yes Figure 1 Enlarged view of part A.

[0029] Figure 3 It is a cross-sectional view showing the connection relationship between the quantitative box and the quantitative plate in the embodiment of the present application.

[0030] Figure 4 It is a cross-sectional view showing the connection relationship between the metering box and the metering plate in the embodiment of the present application.

[0031] Figure 5 It is a cross-sectional view showing the connection relationship between the upper base and the lower base in the embodiment of the present application.

[0032] Figure 6 It is a schematic diagram showing the connection relationship between the driving pulley and the transmission pulley in the embodiment of the present application.

[0033] Explanation of the reference numerals: 1. lower mold; 11. feed pipe; 12. feed valve; 2. upper mold; 21. discharge pipe; 22. discharge valve; 3. quantitative box; 31. quantitative plate; 32. quantitative pressure sensor; 33. lower bracket; 34. feed port; 341. feed plug; 4. metering box; 41. metering plate; 42. metering pressure sensor; 43. upper bracket; 44. discharge port; 441. discharge plug; 5. quantitative motor; 51. quantitative Measuring screw; 52, quantitative slide; 6, metering assembly; 61, metering rod; 62, metering laser transmitter; 63, metering laser receiver; 64, metering cylinder; 7, upper machine base; 71, driving cylinder; 72, guide hole; 73, guide rod; 74, supporting spring; 75, lower machine base; 8, supporting seat; 81, supporting shaft; 82, eccentric wheel; 9, supporting motor; 91, driving pulley; 92, transmission pulley; 93, transmission belt. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-6 This application is described in further detail.

[0035] The present application embodiment discloses an injection molding device for a wheel housing front deflector. Figures 1 to 4, including a lower mold 1 and an upper mold 2, wherein the lower mold 1 is located directly below the upper mold 2, and the lower mold 1 and the upper mold 2 are molded together to form a mold cavity. A lower bracket 33 is installed at the bottom of the lower mold 1, and a quantitative box 3 is installed on the lower bracket 33. A quantitative plate 31 is slidably arranged in the quantitative box 3, and a feed port 34 is provided at the top of the quantitative box 3, and a feed plug 341 is detachably installed in the feed port 34. A feed pipe 11 is arranged between the quantitative box 3 and the lower mold 1, and a feed valve 12 is installed on the feed pipe 11. An upper bracket 43 is arranged on the upper mold 2, and a metering box 4 is installed on the upper bracket 43. A metering plate 41 is slidably arranged in the metering box 4, and a discharge port 44 is provided at the bottom of the metering box 4, and a discharge plug 441 is detachably installed in the discharge port 44. A discharge pipe 21 is arranged between the metering box 4 and the upper mold 2, and a discharge valve 22 is installed on the discharge pipe 21. A metering component 6 is installed between the upper bracket 43 and the metering plate 41, and the metering component 6 is used to detect the liquid level in the metering box 4. A plurality of metering cylinders 64 are installed on the upper bracket 43, and the output shafts of the metering cylinders 64 penetrate the top wall of the metering box 4. Remove the feed plug 341, inject a specified amount of molten material into the metering box 3 from the feed port 34, and then insert the feed plug 341 into the feed port 34 to close the feed port 34; remove the discharge plug 441, discharge the molten material in the metering box 4 from the discharge port 44, and then insert the discharge plug 441 into the discharge port 44 to close the discharge port 44. After the upper mold 2 and the lower mold 1 are molded together, the quantitative plate 31 moves to squeeze the molten material in the quantitative box 3 from the feed pipe 11 into the mold cavity between the upper mold 2 and the lower mold 1. When all the molten material in the quantitative box 3 is squeezed out, close the feed valve 12, and at this time, the excess molten material in the mold cavity enters the metering box 4 from the discharge pipe 21, and then the liquid level in the metering box 4 is detected by the metering component 6. If the liquid level in the metering box 4 is lower than the minimum threshold, it means that the seal between the upper mold 2 and the lower mold 1 fails, and the staff intervenes to check the fault; if the liquid level in the metering box 4 is higher than the maximum threshold, it means that the molten material has not completely filled every corner of the mold. At this time, the output shaft of the metering cylinder 64 extends to push the metering plate 41 closer to the discharge pipe 21, and a part of the molten material in the metering box 4 is squeezed from the discharge pipe 21 into the space between the upper mold 2 and the lower mold 1, thereby filling the space between the upper mold 2 and the lower mold 1 with molten material again. The effect of facilitating the molten material to fill the mold is achieved, reducing the defects of the front wheel cover deflector, and improving the injection molding quality of the front wheel cover deflector.

[0036] Referring to the leg 1, the upper machine base 7 is installed at the bottom of the lower bracket 33, and the driving cylinder 71 is installed on the upper machine base 7. The output shaft of the driving cylinder 71 is welded to the upper mold 2. When the output shaft of the driving cylinder 71 is extended, the upper mold 2 and the lower mold 1 are moved away from each other, and when the output shaft of the driving cylinder 71 is shortened, the upper mold 2 and the lower mold 1 are moved closer to each other.

[0037] To improve the accuracy of the amount of molten material used, refer to Figures 1 to 4, a quantitative pressure sensor 32 is installed on the lower bracket 33, and the quantitative box 3 is installed on the quantitative pressure sensor 32. A metering pressure sensor 42 is installed on the upper bracket 43, and the metering box 4 is installed on the metering pressure sensor 42. When the molten material fills the quantitative box 3, the quantitative pressure sensor 32 detects the weight of the molten material in the quantitative box 3, thereby calculating the density of the molten material, and then the minimum threshold value of the liquid level of the metering box 4 and the maximum threshold value of the liquid level of the metering box 4 are calculated according to the density of the molten material. When the molten material is injected into the metering box 4, the metering pressure sensor 42 detects the weight of the molten material in the metering box 4, so that the molten material of the same volume and the same weight is injected into the metering box 4. The amount of molten material used is determined by the two parameters of weight and volume, thereby improving the injection molding quality of the front wheel cover deflector.

[0038] In order to squeeze the molten material in the quantitative box 3 into the feed pipe 11, refer to Figure 1 and Figure 3 The quantitative motor 5 is installed on the quantitative box 3, and the quantitative screw 51 is installed on the output shaft of the quantitative motor 5. The quantitative screw 51 is rotatably arranged in the quantitative box 3, and the quantitative screw 51 is threadedly connected with the quantitative plate 31. A quantitative slide bar 52 is installed in the quantitative box 3, and the quantitative slide bar 52 penetrates the quantitative plate 31. The quantitative motor 5 is started to drive the quantitative screw 51 to rotate, and the rotation of the quantitative screw 51 drives the quantitative plate 31 to move along the quantitative slide bar 52, and the quantitative plate 31 moves to extrude the molten material in the quantitative box 3 from the feed pipe 11.

[0039] In order to detect the liquid level of the molten material in the metering box 4, refer to Figures 1 to 4 The metering assembly 6 includes a metering rod 61, a plurality of metering laser emitters 62 and a plurality of metering laser receivers 63. The metering laser emitters 62 and the metering laser receivers 63 are both mounted on the upper bracket 43, and the metering laser emitters 62 and the metering laser receivers 63 are arranged opposite to each other. One end of the metering rod 61 is connected to the side of the metering plate 41 away from the discharge pipe 21, and the other end of the metering rod 61 penetrates the side wall of the metering box 4 away from the discharge pipe 21. The metering rod 61 is located outside the metering box 4 and is shielded between the metering laser emitters 62 and the metering laser receivers 63. The metering cylinder 64 is located outside the metering box 4 and is not shielded between the metering laser emitters 62 and the metering laser receivers 63. When the molten material is squeezed into the metering box 4 from the discharge pipe 21, the molten material pushes the metering plate 41 to move, and the metering plate 41 drives the metering rod 61 to move. The metering rod 61 is located outside the metering box 4 and is shielded between the metering laser emitter 62 and the metering laser receiver 63, so that the metering laser emitter 62 and the metering laser receiver 63 can obtain the liquid level of the molten material in the metering box 4 according to the shielding situation.

[0040] In order to facilitate the molten material to fill the mold, refer to Figures 1 to 6, a plurality of guide holes 72 are provided through the upper machine base 7, guide rods 73 are inserted into the guide holes 72, and the bottom ends of the guide rods 73 are welded to the lower machine base 75. A support spring 74 is sleeved on the guide rod 73, and the top of the support spring 74 abuts against the bottom of the upper machine base 7, and the bottom of the support spring 74 abuts against the top of the lower machine base 75. A group of support seats 8 are installed on the lower machine base 75, and a support shaft 81 is rotatably provided on the support seat 8. A plurality of eccentric wheels 82 are sleeved on the support shaft 81, and the eccentric wheels 82 are welded to the support shaft 81, and the top of the eccentric wheels 82 abuts against the bottom of the upper machine base 7. A support motor 9 is installed on the lower machine base 75, and a group of driving pulleys 91 are sleeved on the output shaft of the support motor 9, and the driving pulleys 91 are welded to the output shaft of the support motor 9. A transmission pulley 92 is sleeved on the support shaft 81, and the transmission pulley 92 is welded to the support shaft 81. A transmission belt 93 is sleeved on the driving pulley 91 and the transmission pulley 92. When all the molten materials in the quantitative box 3 are squeezed into the space between the upper mold 2 and the lower mold 1, the feed valve 12 is closed first, and then the support motor 9 is started. The support motor 9 is started to drive the driving pulley 91 to rotate, and the driving pulley 91 drives the transmission belt 93 to move, and the movement of the transmission belt 93 drives the driving pulley 92 to rotate, and the driving pulley 92 drives the support shaft 81 to rotate. The rotation of the support shaft 81 drives the eccentric wheel 82 to rotate, and the rotation of the eccentric wheel 82 causes the upper machine base 7 to move up and down along the outer wall of the eccentric wheel 82. The upper machine base 7 is reciprocated along the guide rod 73, so that the upper machine base 7 drives the upper mold 2 and the lower mold 1 to shake, so that the molten material fills the space between the upper mold 2 and the lower mold 1. When the upper machine base 7 drives the upper mold 2 and the lower mold 1 to shake, the liquid level of the molten material in the metering box 4 is detected. The support spring 74 abuts between the upper base 7 and the lower base 75. When the upper base 7 approaches the lower base 75 along the guide rod 73, the support spring 74 is compressed to provide a reverse force, thereby cushioning the fall of the upper base 7 and reducing the collision between the upper base 7 and the lower base 75.

[0041] The implementation principle of the injection molding device for the front deflector of a wheel housing in the embodiment of the present application is as follows: remove the feed plug 341, inject a specified amount of molten material into the metering box 3 from the feed port 34, and then insert the feed plug 341 into the feed port 34 to close the feed port 34; remove the discharge plug 441, discharge the molten material in the metering box 4 from the discharge port 44, and then insert the discharge plug 441 into the discharge port 44 to close the discharge port 44. After the upper mold 2 and the lower mold 1 are molded together, the quantitative plate 31 moves to squeeze the molten material in the quantitative box 3 into the mold cavity between the upper mold 2 and the lower mold 1 through the feed pipe 11. When all the molten material in the quantitative box 3 is extruded, the feed valve 12 is closed first, and then the support motor 9 is started. The support motor 9 is started to make the upper machine base 7 reciprocate along the guide rod 73, so that the upper machine base 7 drives the upper mold 2 and the lower mold 1 to shake, so that the molten material fills the space between the upper mold 2 and the lower mold 1. When the upper base 7 drives the upper mold 2 and the lower mold 1 to shake, the excess molten material in the mold cavity enters the metering box 4 through the discharge pipe 21, and then the liquid level in the metering box 4 is detected by the metering component 6. If the liquid level in the metering box 4 is lower than the lowest threshold, it means that the seal between the upper mold 2 and the lower mold 1 has failed, and the staff intervenes to check the fault; if the liquid level in the metering box 4 is higher than the highest threshold, it means that the molten material has not completely filled all corners of the mold. At this time, the output shaft of the metering cylinder 64 extends and pushes the metering plate 41 closer to the discharge pipe 21, and squeezes part of the molten material in the metering box 4 from the discharge pipe 21 into the space between the upper mold 2 and the lower mold 1, thereby filling the space between the upper mold 2 and the lower mold 1 with molten material again. The effect of facilitating the molten material to fill the mold is achieved, reducing the defects of the front wheel cover deflector, and improving the injection molding quality of the front wheel cover deflector.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An injection molding device for a wheel housing front spoiler, comprising a lower mold (1) and an upper mold (2), wherein the lower mold (1) is located directly below the upper mold (2), and is characterized in that: A lower bracket (33) is arranged at the bottom of the lower mold (1), a quantitative box (3) is arranged on the lower bracket (33), a quantitative plate (31) is slidably arranged in the quantitative box (3), a feed pipe (11) is arranged between the quantitative box (3) and the lower mold (1), a feed valve (12) is arranged on the feed pipe (11), an upper bracket (43) is arranged on the upper bracket (43), a metering box (4) is arranged on the upper bracket (43), a metering plate (41) is slidably arranged in the metering box (4), a discharge pipe (21) is arranged between the metering box (4) and the upper mold (2), a discharge valve (22) is arranged on the discharge pipe (21), a metering component (6) is arranged between the upper bracket (43) and the metering plate (41), and the metering component (6) is used to detect the liquid level in the metering box (4).

2. The injection molding equipment for a wheel housing front spoiler according to claim 1, characterized in that: A quantitative pressure sensor (32) is fixedly arranged on the lower bracket (33), the quantitative box (3) is arranged on the quantitative pressure sensor (32), a metering pressure sensor (42) is fixedly arranged on the upper bracket (43), and the metering box (4) is arranged on the metering pressure sensor (42).

3. The injection molding equipment for a wheel house front spoiler according to claim 1, characterized in that: A quantitative motor (5) is fixedly arranged on the quantitative box (3), a quantitative screw (51) is fixedly arranged on the output shaft of the quantitative motor (5), the quantitative screw (51) is rotatably arranged in the quantitative box (3), the quantitative screw (51) is threadedly connected to the quantitative plate (31), a quantitative slide rod (52) is fixedly arranged in the quantitative box (3), and the quantitative slide rod (52) penetrates the quantitative plate (31).

4. The injection molding equipment for a wheel house front spoiler according to claim 1, characterized in that: The metering assembly (6) comprises a metering rod (61), a plurality of metering laser emitters (62) and a plurality of metering laser receivers (63). The metering laser emitters (62) and the metering laser receivers (63) are both arranged on an upper bracket (43). The metering laser emitters (62) and the metering laser receivers (63) are arranged opposite to each other. One end of the metering rod (61) is connected to a side of the metering plate (41) away from the discharge pipe (21). The other end of the metering rod (61) passes through a side wall of a metering box (4) away from the discharge pipe (21). The metering rod (61) is located outside the metering box (4) and is shielded between the metering laser emitters (62) and the metering laser receivers (63).

5. The injection molding equipment for a wheel housing front spoiler according to claim 4, characterized in that: A plurality of metering cylinders (64) are fixedly arranged on the upper bracket (43), and the output shafts of the metering cylinders (64) penetrate the top wall of the metering box (4).

6. The injection molding equipment for a wheel house front spoiler according to claim 1, characterized in that: An upper machine base (7) is fixedly arranged at the bottom of the lower bracket (33), a driving cylinder (71) is fixedly arranged on the upper machine base (7), and an output shaft of the driving cylinder (71) is fixedly connected to the upper mold (2).

7. The injection molding equipment for a wheel house front spoiler according to claim 6, characterized in that: A plurality of guide holes (72) are formed through the upper machine base (7), guide rods (73) are inserted into the guide holes (72), and the bottom ends of the guide rods (73) are welded to the lower machine base (75).

8. The injection molding equipment for a wheel house front spoiler according to claim 7, characterized in that: A support spring (74) is sleeved on the guide rod (73), the top of the support spring (74) abuts against the bottom of the upper machine base (7), and the bottom of the support spring (74) abuts against the top of the lower machine base (75).

9. The injection molding equipment for a wheel housing front spoiler according to claim 7, characterized in that: A group of support seats (8) are fixedly arranged on the lower machine base (75), a support shaft (81) is rotatably arranged on the support seat (8), a plurality of eccentric wheels (82) are sleeved on the support shaft (81), the eccentric wheels (82) are fixedly connected to the support shaft (81), and the top of the eccentric wheel (82) abuts against the bottom of the upper machine base (7).

10. The injection molding equipment for a wheel house front spoiler according to claim 9, characterized in that: A support motor (9) is fixedly arranged on the lower machine base (75), a group of driving pulleys (91) are fixedly arranged on the output shaft of the support motor (9), a transmission pulley (92) is sleeved on the support shaft (81), the transmission pulley (92) is fixedly connected to the support shaft (81), and a transmission belt (93) is sleeved on the driving pulley (91) and the transmission pulley (92).

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