Small-module injection-molded gear production device and production process thereof

Abstract

This invention provides a small-module injection-molded gear production equipment and its production process, relating to the field of injection-molded gear production. It includes a worktable, a support plate, a fabrication plate, and a snap-fit ​​plate. Four vertical fixing rods are fixedly mounted on the upper surface of the worktable, arranged in a circular pattern. This invention simulates the formation of a small-module gear ring sample. Workers can then compare the simulated model with the required small-module gear and measure whether it meets process requirements. Based on the model sand, an injection mold is then made, thereby reducing gear production errors. After producing the sample gear, it is compared with the simulated gear in the model sand, facilitating gear comparison by production workers. This allows for timely identification of process or gear problems, reducing subsequent production losses and further facilitating the correct production of the required small-module injection-molded gears.

Description

Technical Field

[0001] This invention relates to the field of injection molded gear production technology, specifically to a small-module injection molded gear production equipment and its production process. Background Technology

[0002] The main processing method for small module gears is injection molding. During the injection molding process, small module gears undergo three steps: heating and melting of engineering plastics, flow molding of liquid plastics, and cooling and solidification in the cavity of the mold.

[0003] For example, Chinese patent disclosure "An Injection Molding Device and Method for Automotive Injection Molded Gears" (Patent No.: CN202211361468.4) includes a base, with a discharge mechanism above the base. Above the discharge mechanism are multiple cooling molding mechanisms for cooling the gears, arranged at equal intervals. A drive mechanism is provided on one side of each cooling molding mechanism to place the cooled gears onto the discharge mechanism. The drive mechanism includes a side plate, a motor, and a turntable. The side plate is fixedly connected to the base, and the turntable is rotatably connected to the side plate. A motor for driving the turntable to rotate is mounted on the side plate. This injection molding device for automotive injection molded gears, through the drive mechanism, only requires the motor to control the turntable to rotate once to allow all the gears from the cooling molding mechanisms to fall into the discharge mechanism, thus enabling rapid discharge and significantly improving efficiency.

[0004] However, the above-mentioned injection molding method for gears mainly improves efficiency by rapidly extruding materials. For the production of small-module injection molded gears, the gear model must be compared with the actual gear to be produced before injection molding. Production can only begin when the model and the finished product match. Furthermore, due to the small module and high precision of small-module injection molded gears, comparison is more difficult, which affects production efficiency. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a small-module injection molded gear production equipment and its production process, solving the problems mentioned in the background section.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the present invention provides the following technical solution: a small-module injection molded gear production equipment and its production process, comprising a worktable, a support plate, a fabrication plate, and a snap-fit ​​plate. Four vertical fixing rods are fixedly mounted on the upper surface of the worktable, arranged in a ring. Each fixing rod has an upward-opening lifting cavity, and each lifting cavity contains a vertically movable lifting support rod. The support plate is fixedly mounted on the upper surface of the lifting support rod. The support plate is annular, and an annular guide plate is fixedly mounted on the upper surface of the support plate. The annular guide plate has an upward-opening guide groove, and two movable rotating rods are located within the guide groove. The movable rotating rods on both sides are symmetrically positioned. A rotating support plate is installed on the end face, and a circular connecting ring is fixed between the rotating support plates on both sides. A detachable mounting plate is installed inside the connecting ring. A detachable simulation plate and a mold support plate can be installed on the lower end face of the mounting plate respectively. A detector is fixed on the lower end face of the simulation plate. Two adjusting rods are movable on the lower end face of the simulation plate. The adjusting rods on both sides are symmetrical. The fabrication plate is fixed on the lower end face of the adjusting rods. An injection mold is installed on the lower end of the mold support plate. Injection tubes are connected to both sides of the injection mold. Four fixing plates are fixed on the upper end face of the worktable. The four fixing plates are arranged in a ring on the four sides. A snap-fit ​​plate is located on one side of the fixing plates that are close to each other. The snap-fit ​​plate is movable.

[0009] Preferably, the fixing plate has an inwardly opening telescopic groove, and the telescopic groove has a telescopic connecting rod that can telescopically move. One end of the telescopic connecting rod extends outward and is fixedly connected to the snap-fit ​​plate, and the snap-fit ​​plate is arc-shaped.

[0010] Preferably, the lower wall of the lifting cavity is provided with a lifting threaded shaft, which is threadedly connected to the lifting support rod.

[0011] Preferably, a lifting motor is fixedly installed inside the lower wall of the lifting cavity, and the lower end of the lifting threaded shaft is poweredly connected to the lifting motor.

[0012] Preferably, the upper surface of the workbench can be equipped with two detachable simulation sand tables and an injection molding machine, and the upper end of the simulation sand table is provided with model sand.

[0013] Preferably, four support rods are fixedly connected to the lower end face of the workbench. The four support rods are arranged in a ring. Two support grooves with outward openings are provided on both sides of each support rod. A lifting link that can move up and down is provided in the support groove.

[0014] Preferably, the lower ends of the lifting rods on both sides extend downward and are fixedly connected to a support base plate, and a shock-absorbing spring is fixedly connected between the upper end of the support base plate and the support rod.

[0015] Preferably, the lower end face of the mounting plate is provided with two symmetrically positioned and downward-facing movable cavities. The movable cavities on both sides are symmetrically positioned. A movable threaded shaft is rotatably provided between the two walls of the movable cavity. A movable support plate is provided inside the movable cavity. The movable support plate is threadedly connected to the movable threaded shaft. The adjusting rod is fixedly connected to the lower end of the movable support plate.

[0016] A small-module injection molded gear production equipment and its production process include the following steps:

[0017] Step one: First, move the worktable to a suitable working position. At this point, the support base plate provides stable support to the ground. Then, control the lifting component inside the support slot, which in turn moves the lifting linkage up and down. This lifting and moving of the support changes the height of the worktable, facilitating subsequent work. Simultaneously, the shock-absorbing springs provide shock absorption and support.

[0018] Step two: Install the simulation sand table onto the upper part of the workbench. The telescopic components within the fixed plate drive the telescopic connecting rod to extend and retract, which in turn moves the locking plate. This movement of the locking plate stabilizes the bottom of the simulation sand table, improving its stability. Once the simulation sand table is stably positioned, fill it with model sand. Then, based on the parameters of the small module gear to be produced, first, change the number and specifications of the model teeth installed on the inner arc surface of the fabrication plate to create the outer tooth contour shape of the required small module gear. Then, adjust the curvature of the fabrication plate to accommodate the parameters of the small module gear. Simultaneously, control the start-up motor to rotate the moving threaded shaft. This rotating shaft, connected to the moving support plate via a threaded connection, moves the moving support plate, thus changing the distance between the fabrication plates on both sides.

[0019] Step three: At this point, the lifting motor is started, driving the lifting threaded shaft to rotate. The lifting threaded shaft is then connected to the lifting support rod, causing the lifting support rod to move downwards. This, in turn, causes the fabrication plate to move downwards, removing the model sand from the surface of the simulated sand table. Subsequently, the lifting motor reverses and resets. During this process, the moving component of the annular guide plate drives the moving rotating rod to move along the guide groove, which in turn drives the rotating support plate to rotate, causing the mounting plate to rotate, and thus the fabrication plate to rotate in the desired direction. After rotating to a certain angle, the lifting motor starts again and continues to press down. Through repeated pressing, a small module gear ring sample is formed. At this point, the staff can compare the simulated model with the required small module gear and measure whether it meets the process requirements. Then, an injection mold is made based on the model sand.

[0020] Step four: After disassembling the simulation sand table, reinstall the injection molding machine onto the upper surface of the workbench. Move and fix the injection molding machine using the snap-fit ​​plate. At the same time, disassemble and replace the simulation plate at the lower end of the connecting ring with a mold support plate. Install the prepared injection mold at the lower end of the mold support plate and perform actual sample small module gear injection molding. After the sample gear is produced, take out the sample gear and compare it with the simulation gear in the model sand. This allows production workers to compare the gears and promptly identify process problems or gear problems, reducing subsequent production losses.

[0021] Step 5: Once the sample and model meet the production requirements, the inspection of the injection mold is completed, and the subsequent production of small-module injection molded gears can begin.

[0022] (III) Beneficial Effects

[0023] This invention provides a small-module injection molded gear production equipment and its production process. It has the following beneficial effects:

[0024] 1. This invention simulates and forms a small module gear ring sample. At this time, the staff can compare the simulated model with the required small module gear and measure whether it meets the process requirements. Then, the injection mold is made according to the model sand, thereby reducing the production error of the gear.

[0025] 2. After the sample gear is produced, the present invention takes out the sample gear and compares it with the simulated gear in the model sand. This makes it convenient for production workers to compare the gears and promptly identify process problems or gear problems, reduce subsequent production losses, and further facilitate the correct production of small-module injection molded gears required by the production requirements. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the external structure of the present invention;

[0027] Figure 2 This is a schematic diagram of the external structure of the present invention;

[0028] Figure 3 This is a front view of the external structure of the present invention;

[0029] Figure 4 For the present invention Figure 3 A cross-sectional view along the AA direction;

[0030] Figure 5 This is a bottom view of the external structure of the present invention;

[0031] Figure 6 This is a schematic diagram of the injection molding working state of the present invention;

[0032] Figure 7 For the present invention Figure 6 Front view of the working status;

[0033] Figure 8 For the present invention Figure 1 Enlarged structural diagram of the middle card connector component;

[0034] Figure 9 For the present invention Figure 6 Enlarged structural diagram of the rotating support plate component.

[0035] In the diagram: 101. Workbench; 102. Simulation sand table; 103. Support base plate; 104. Shock-absorbing spring; 105. Lifting linkage; 106. Support rod; 107. Fixing plate; 108. Fixing rod; 109. Support plate; 111. Lifting support rod; 112. Moving rotating rod; 114. Rotating support plate; 115. Connecting ring; 116. Mounting plate; 117. Adjusting rod; 118. Fabrication plate; 120. Annular guide plate ; 122. Simulation board; 123. Lifting threaded shaft; 124. Lifting cavity; 125. Lifting motor; 126. Snap-fit ​​plate; 127. Guide groove; 128. Mold support plate; 129. Injection pipe; 130. Injection mold; 131. Telescopic groove; 132. Telescopic connecting rod; 133. Detector; 134. Injection molding machine; 135. Support groove; 136. Moving support plate; 137. Moving threaded shaft; 138. Moving cavity. Detailed Implementation

[0036] This invention provides a small-module injection molded gear production equipment and its production process, such as... Figure 1-9As shown, the system includes a workbench 101, a support plate 109, a fabrication plate 118, and a snap-fit ​​plate 126. Four vertical fixing rods 108 are fixedly mounted on the upper surface of the workbench 101, arranged in a ring. Each fixing rod 108 has an upward-opening lifting cavity 124, within which a lifting support rod 111 that can move up and down is located. The support plate 109 is fixedly mounted on the upper surface of the lifting support rod 111. The support plate 109 is annular, and an annular guide plate 120 is fixedly mounted on the upper surface of the support plate 109. The annular guide plate 120 has an upward-opening guide groove 127, within which two movable rotating rods 112 are located. The movable rotating rods 112 are symmetrically positioned on both sides. A rotating support plate 114 is mounted on the upper surface of each movable rotating rod 112. A circular connecting ring 115 is fixed between 14. A detachable mounting plate 116 is installed inside the connecting ring 115. A detachable simulation plate 122 and a mold support plate 128 can be installed on the lower end face of the mounting plate 116 respectively. A detector 133 is fixedly installed on the lower end face of the simulation plate 122. Two adjusting rods 117 are movable on the lower end face of the simulation plate 122. The positions of the two adjusting rods 117 are symmetrical. A production plate 118 is fixedly installed on the lower end face of the adjusting rods 117. An injection mold 130 is installed at the lower end of the mold support plate 128. An injection tube 129 is connected on both sides of the injection mold 130. Four fixing plates 107 are fixedly installed on the upper end face of the worktable 101. The four fixing plates 107 are arranged in a ring. A snap-fit ​​plate 126 is located on one side of the fixing plates 107 and is movable.

[0037] It is worth noting that the fabrication plate 118 is elastic, and the inner arc surface of the fabrication plate 118 is provided with detachable model teeth. The annular guide plate 120 is provided with a movable component of the prior art center, which can drive the movable rotating rod 112 to move along the guide groove 127.

[0038] like Figure 7 As shown, the fixed plate 107 is provided with an inwardly opening telescopic groove 131, and a telescopic connecting rod 132 that can telescopically move is provided in the telescopic groove 131. One end of the telescopic connecting rod 132 extends outward and is fixedly connected to the snap-fit ​​plate 126. The snap-fit ​​plate 126 is arc-shaped.

[0039] It should be further explained that the fixed plate 107 is equipped with a telescopic component, which can drive the telescopic connecting rod 132 to telescopically move, thereby driving the snap-fit ​​plate 126 to telescopically move.

[0040] like Figures 4-5 As shown, a lifting threaded shaft 123 is rotatably provided on the lower wall of the lifting cavity 124, and the lifting threaded shaft 123 is threadedly connected to the lifting support rod 111.

[0041] Furthermore, a lifting motor 125 is fixedly installed inside the lower wall of the lifting cavity 124, and the lower end of the lifting threaded shaft 123 is poweredly connected to the lifting motor 125.

[0042] When the lifting motor 125 starts, it can drive the lifting threaded shaft 123 to rotate, and then the lifting threaded shaft 123 is threadedly connected to the lifting support rod 111 through the rotation of the lifting threaded shaft 123, thereby driving the lifting support rod 111 to move up and down.

[0043] like Figure 1 and Figure 5 As shown, two detachable simulation sand tables 102 and an injection molding machine 134 can be installed on the upper surface of the workbench 101 respectively, and the upper end of the simulation sand table 102 is provided with model sand.

[0044] It is worth noting that the injection molding machine 134 contains an injection molding machine as in the prior art.

[0045] It should be noted that the injection mold 130 and the injection molding machine 134 are injection molding machines in the prior art.

[0046] like Figures 3-4 Four support rods 106 are fixedly connected to the lower end face of the workbench 101. The four support rods 106 are arranged in a ring. Two support grooves 135 with outward openings are provided on both sides of the support rods 106. Lifting connecting rods 105 that can move up and down are provided in the support grooves 135.

[0047] Furthermore, the lower ends of the lifting rods 105 on both sides extend downward and are fixedly connected to a support base plate 103, and a shock-absorbing spring 104 is fixedly connected between the upper end of the support base plate 103 and the support rod 106.

[0048] It is worth noting that a lifting component is provided in the support groove 135, which can drive the lifting link 105 to move up and down.

[0049] like Figure 5 As shown, the lower end face of the mounting plate 116 is provided with two symmetrically positioned and downward-facing movable cavities 138. The two movable cavities 138 are symmetrically positioned. A movable threaded shaft 137 is rotatably provided between the two walls inside the movable cavity 138. A movable support plate 136 is provided inside the movable cavity 138. The movable support plate 136 is threadedly connected to the movable threaded shaft 137. The adjusting rod 117 is fixedly connected to the lower end of the movable support plate 136.

[0050] It should be noted that the movable cavity 138 is equipped with a movable motor as in the prior art, and the movable threaded shaft 137 is poweredly connected to the movable motor.

[0051] A small-module injection molded gear production equipment and its production process, comprising the following steps:

[0052] Step one: First, move the workbench 101 to a suitable working position. At this time, the support base plate 103 provides stable support to the ground. Then, control the lifting component inside the support groove 135, which in turn drives the lifting linkage 105 to move up and down. This lifting and moving of the support changes the height of the workbench 101, facilitating subsequent work. At the same time, the shock-absorbing spring 104 provides shock absorption support.

[0053] Step two: Install the simulation sand table 102 onto the upper end of the workbench 101. The telescopic components within the fixing plate 107 drive the telescopic connecting rod 132 to extend and retract, which in turn drives the locking plate 126 to extend and retract. The locking plate 126 then moves and stably clamps the bottom of the simulation sand table 102, improving its stability. Once the simulation sand table 102 is stably positioned, fill it with model sand. Then, based on the parameters of the small module gear to be produced, first, change the number and specifications of the model teeth installed on the inner arc surface of the fabrication plate 118 to construct the outer tooth contour shape of the small module gear to be produced. Then, change the curvature of the fabrication plate 118 to adapt to the parameters of the small module gear. Simultaneously, control the start of the moving motor to drive the moving threaded shaft 137 to rotate. The moving threaded shaft 137 is then threadedly connected to the moving support plate 136, causing the moving support plate 136 to move, thereby changing the distance between the two fabrication plates 118.

[0054] Step 3: At this time, the lifting motor 125 is started, driving the lifting threaded shaft 123 to rotate. Then, the lifting threaded shaft 123 is threadedly connected to the lifting support rod 111, causing the lifting support rod 111 to move downward, which in turn causes the production plate 118 to move downward. The model sand on the surface of the simulation sand table 102 is removed by pressing down. Then, the lifting motor 125 reverses and resets. During this process, the moving component of the annular guide plate 120 drives the moving rotating rod 112 to move along the guide groove 127, which in turn drives the rotating support plate 114 to rotate, drives the mounting plate 116 to rotate, and drives the production plate 118 to rotate in a certain direction. After rotating a certain angle, the lifting motor 125 starts to continue pressing down. Through repeated pressing down, a small module gear ring sample is formed. At this time, the staff can compare the simulated model with the required small module gear and measure whether it meets the process requirements. Then, the injection mold is made according to the model sand.

[0055] Step four: After disassembling the simulation sand table 102, reinstall the injection molding machine 134 onto the upper surface of the workbench 101. Then, move the injection molding machine 134 again and fix it in place using the snap-fit ​​plate 126. At the same time, disassemble the simulation plate 122 at the lower end of the connecting ring 115 and replace it with the mold support plate 128. Install the prepared injection mold at the lower end of the mold support plate 128 and perform actual sample small module gear injection molding. After the sample gear is produced, take out the sample gear and compare it with the simulation gear in the model sand. This allows production workers to compare the gears and promptly identify process problems or gear problems, reducing subsequent production losses.

[0056] Step 5: Once the sample and model meet the production requirements, the inspection of the injection mold is completed, and the subsequent production of small-module injection molded gears can begin.

[0057] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A small-module injection molded gear production equipment, comprising a worktable (101), a support plate (109), a production plate (118), and a snap-fit ​​plate (126), characterized in that: Four fixed rods (108) are fixedly provided on the upper surface of the workbench (101). The fixed rods (108) are arranged in a ring. Each fixed rod (108) has an upward-opening lifting cavity (124). The lifting cavity (124) has a lifting support rod (111). The support plate (109) is fixedly provided on the upper surface of the lifting support rod (111). An annular guide plate (120) is fixedly provided on the upper surface of the support plate (109). The annular guide plate (120) has an upward-opening guide groove (127). The guide groove (127) has two moving rotating rods (112). The moving rotating rods (112) on both sides are symmetrically positioned. A rotating support plate (114) is installed on the upper surface of the moving rotating rod (112). A connecting ring (115) is fixed between the rotating support plates (114) on both sides. An installation plate (116) is installed inside the ring (115). The lower end face of the installation plate (116) can be used to install a simulation plate (122) and a mold support plate (128). A detector (133) is fixedly installed on the lower end face of the simulation plate (122). Two adjusting rods (117) are movable on the lower end face of the simulation plate (122). The positions of the adjusting rods (117) on both sides are symmetrical. The production plate (118) is fixedly installed on the lower end face of the adjusting rods (117). An injection mold (130) is installed at the lower end of the mold support plate (128). An injection tube (129) is connected on both sides of the injection mold (130). Four fixing plates (107) are fixedly installed on the upper end face of the workbench (101). The positions of the four fixing plates (107) are arranged in a ring. The snap-fit ​​plate (126) is located on one side of the fixing plates (107) that are close to each other.

2. The small module injection molded gear production equipment according to claim 1, characterized in that: The fixing plate (107) is provided with an inwardly opening telescopic groove (131), and a telescopic connecting rod (132) is provided in the telescopic groove (131). One end of the telescopic connecting rod (132) extends outward and is fixedly connected to the snap-fit ​​plate (126).

3. The small module injection molded gear production equipment according to claim 2, characterized in that: The lower wall of the lifting cavity (124) is provided with a lifting threaded shaft (123), which is threadedly connected to the lifting support rod (111).

4. The small module injection molded gear production equipment according to claim 3, characterized in that: A lifting motor (125) is fixedly installed inside the lower wall of the lifting cavity (124), and the lower end of the lifting threaded shaft (123) is poweredly connected to the lifting motor (125).

5. The small module injection molded gear production equipment according to claim 4, characterized in that: The upper surface of the workbench (101) can be equipped with two simulation sand tables (102) and an injection molding machine (134), and the upper end of the simulation sand table (102) is provided with model sand.

6. The small module injection molded gear production equipment according to claim 5, characterized in that: Four support rods (106) are fixedly connected to the lower end face of the workbench (101). The four support rods (106) are arranged in a ring. Two support grooves (135) with outward openings are provided on both sides of the support rods (106). Lifting connecting rods (105) are provided in the support grooves (135).

7. The small module injection molded gear production equipment according to claim 6, characterized in that: The lower ends of the lifting rods (105) on both sides extend downward and are fixedly connected to a support base plate (103). A shock-absorbing spring (104) is fixedly connected between the upper end of the support base plate (103) and the support rod (106).

8. The small module injection molded gear production equipment according to claim 7, characterized in that: The mounting plate (116) has two symmetrically positioned and downward-facing movable cavities (138) on its lower end face. The movable cavities (138) on both sides are symmetrically positioned. A movable threaded shaft (137) is rotatably provided between the two walls of the movable cavity (138). A movable support plate (136) is provided inside the movable cavity (138). The movable support plate (136) is threadedly connected to the movable threaded shaft (137). The adjusting rod (117) is fixedly connected to the lower end of the movable support plate (136).

9. A manufacturing process for small-module injection molded gears, characterized in that, A small-module injection molded gear production equipment using any one of claims 1-8 includes the following steps: Step 1: First, move the workbench (101) to a suitable working position. At this time, the support base plate (103) provides stable support to the ground. Then, by controlling the lifting component inside the support groove (135), the lifting link (105) is moved up and down. This movement of the support changes the height of the workbench (101), which facilitates subsequent work. Meanwhile, the shock-absorbing spring (104) provides shock absorption support. Step two: Install the simulation sand table (102) onto the upper end of the workbench (101), and drive the telescopic connecting rod (132) to move telescopically through the telescopic component in the fixing plate (107), thereby driving the snap-fit ​​plate (126) to move telescopically. By moving the snap-fit ​​plate (126), the bottom of the simulation sand table (102) is stably clamped, thereby improving the stability of the simulation sand table (102). After the simulation sand table (102) is stably placed, fill the simulation sand table (102) with model sand. At this time, process the model sand as needed. The parameters of the small module gear are first determined by changing the number and specifications of the model teeth installed on the inner arc surface of the production plate (118) to build the outer tooth contour shape of the small module gear to be produced. The curvature of the production plate (118) is changed to adapt to the parameters of the small module gear. At the same time, the moving motor is controlled to drive the moving threaded shaft (137) to rotate. Then, the moving threaded shaft (137) is connected to the moving support plate (136) by the thread to drive the moving support plate (136) to move, thereby changing the distance between the production plates (118) on both sides. Step 3: At this time, the lifting motor (125) is started to drive the lifting threaded shaft (123) to rotate. Then, the lifting threaded shaft (123) is threadedly connected to the lifting support rod (111) to drive the lifting support rod (111) to move downward, thereby driving the production plate (118) to move downward. The model sand on the surface of the simulation sand table (102) is removed by pressing down. Then, the lifting motor (125) reverses and resets. During this process, the moving component of the annular guide plate (120) drives the moving rotating rod (112) to move along the guide groove (127) to move. Then, the rotating support plate (114) rotates, driving the mounting plate (116) to rotate, thereby driving the production plate (118) to rotate in the direction of rotation. After rotating a certain angle, the lifting motor (125) continues to press down. Through repeated pressing down, a small module gear tooth ring sample is formed. At this time, the staff can compare the simulated model with the required small module gear and measure whether the process requirements are met. Then, the injection mold is made according to the model sand. Step 4: After disassembling the simulation sand table (102), the injection molding machine (134) is reinstalled on the upper surface of the workbench (101). The injection molding machine (134) is moved again and fixed by the snap-fit ​​plate (126). At the same time, the simulation plate (122) at the lower end of the connecting ring (115) is disassembled and replaced with a mold support plate (128). The prepared injection mold is installed at the lower end of the mold support plate (128), and the actual sample small module gear is injection molded. After the sample gear is produced, the sample gear is taken out and compared with the simulation gear in the model sand. This makes it convenient for production workers to compare the gears and discover process problems or gear problems in time, thereby reducing subsequent production losses. Step 5: Once the sample and model meet the production requirements, the inspection of the injection mold is completed, and the subsequent production of small-module injection molded gears can begin.

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