Discharging device of injection molding machine

Abstract

The utility model relates to a discharging device of an injection molding machine, the discharging device comprises a rack and a mounting plate, the mounting plate is connected to the rack through a moving assembly, the moving assembly is located above an injection molding machine body, the mounting plate is connected with a plurality of suction cups and an air suction assembly, and the air suction assembly is used for exhausting air in the suction cups. When the suction cup is close to the product, the suction assembly exhausts air in the suction cup, so that negative pressure is formed in the suction cup, the product is adsorbed on the suction cup, and the product is driven by the moving assembly to be away from the injection molding machine body, so that the product is conveniently discharged, and the labor cost is reduced.

Description

Technical Field

[0001] The present application relates to the field of injection molding equipment, and in particular to a discharging device of an injection molding machine. Background Art

[0002] Injection molding machine is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics.

[0003] The Chinese patent with the authorization announcement number CN103612362A discloses an injection molding machine, including a machine base, a feeding system, a feeding box, a preheating device, a preheating storage box, a segmented heating device, a template and a mold closing and opening device, wherein the feeding box, the preheating device, the segmented heating device, the preheating storage box, the template and the mold closing and opening device are all installed on the machine base, and the template includes a first template, a second template, a heating raw material storage box and a raw material delivery pipeline, wherein the first template is connected to the segmented heating device through the heating raw material storage box and the raw material delivery pipeline, and the second template is installed in cooperation with the mold closing and opening device. The invention enables the master batch to be automatically fed, fully heated to form the raw material, the raw material can be quickly formed in the mold, the mold can be opened and closed automatically, and after the mold is closed, sufficient clamping force is provided to the mold to resist the mold cavity pressure generated by the molten plastic entering the mold cavity, prevent the mold from opening, and cause the undesirable status of the product, thereby improving the quality of the product, improving the production efficiency, and reducing the human resource cost.

[0004] With regard to the above-mentioned related technologies, after the injection molding is completed, the product needs to be removed manually, thereby increasing the consumption of labor costs. Utility Model Content

[0005] In order to make product discharging more convenient and reduce the labor cost consumption during the discharging process, the present application provides a discharging device for an injection molding machine.

[0006] The present application provides a discharging device for an injection molding machine adopts the following technical solution:

[0007] A discharge device for an injection molding machine comprises a frame and a mounting plate, wherein the mounting plate is connected to the frame via a moving assembly, the moving assembly is located above the injection molding machine body, the moving assembly is used to drive the mounting plate to move horizontally and vertically, the mounting plate is connected to a plurality of suction cups and an air suction assembly, and the air suction assembly is used to extract air from the suction cup.

[0008] By adopting the above technical solution, after the injection molding of the product is completed, the moving component drives the mounting plate to move in the horizontal direction and approach the injection molding machine body. When the mounting plate is located directly above the product, the mounting plate moves downward in the vertical direction, so that the mounting plate and the suction cup are close to the product. When the suction cup is close to the product, the suction component evacuates air from the suction cup to form a negative pressure in the suction cup, the product is adsorbed on the suction cup, and the product is driven away from the injection molding machine body by the moving component, so as to facilitate the discharge of the product and reduce labor costs.

[0009] Optionally, the frame is provided with a sliding groove, the length direction of the sliding groove is consistent with the horizontal direction, the moving assembly includes a screw rod, a slider, and a first motor, the length direction of the screw rod is consistent with the length direction of the sliding groove, the screw rod is rotatably connected to the sliding groove at both ends along its length direction, the slider is threadedly sleeved on the screw rod, and the slider is slidably connected to the sliding groove along the length direction of the sliding groove, the first motor is connected to the frame, the output shaft of the first motor is connected to one end of the screw rod, the moving assembly also includes a lifting member, the lifting member is connected to the bottom of the slider, and the mounting plate is connected to the lifting member.

[0010] By adopting the above technical solution, the first motor drives the screw rod to rotate, thereby driving the slider to slide in the sliding groove, thereby driving the mounting plate and the suction cup to move in the horizontal direction and approach or move away from the injection molding machine body, and the lifting member drives the mounting plate and the suction cup to move in the vertical direction and approach or move away from the injection molding machine body.

[0011] Optionally, the bottom of the lifting member is connected to a support rod, the length direction of the support rod is consistent with the vertical direction, the top of the mounting plate is connected to a connecting plate, the connecting plate is connected to a connecting shaft, the connecting shaft passes through and is rotatably connected to the bottom end of the support rod, the connecting shaft sleeve is provided with a first gear, the support rod is connected to a second motor, the output shaft of the second motor is connected to a second gear, and the first gear is meshed with the second gear.

[0012] By adopting the above technical solution, the second motor drives the second gear to rotate, and the second gear drives the first gear to rotate, so that the connecting plate and the connecting shaft rotate, the mounting plate rotates with the connecting plate, and the suction cup moves with the mounting plate, so that the suction cup can pick up products placed at different angles.

[0013] Optionally, a flow channel is opened in the mounting plate, and the flow channel is connected to all the suction cups. The suction assembly includes an exhaust pipe and an exhaust pump. One end of the exhaust pipe is connected to the flow channel, and the other end of the exhaust pipe is connected to the exhaust pump. The exhaust pump is connected to one side of the mounting plate.

[0014] By adopting the above technical solution, when the suction cup takes the product, the vacuum pump draws air into the suction cup, thereby forming a negative pressure in the suction cup, so that the product is adsorbed on the suction cup. After the product is taken out of the injection molding machine body, the vacuum pump blows air into the suction cup, so that the suction cup releases the product.

[0015] Optionally, a movable groove is provided at the bottom of the mounting plate, and the depth direction of the movable groove is consistent with the thickness direction of the mounting plate, a sliding plate is slidably connected in the movable groove, the sliding plate is slidably connected in the movable groove along the depth direction of the movable groove, the suction cup is connected to the sliding plate, the flow channel is connected with a plurality of connecting pipes, one connecting pipe corresponds to a suction cup, the connecting pipe is connected to the suction cup, and the connecting pipe is detachably connected to the suction cup, the mounting plate is provided with connecting holes on both sides along its length direction, a connecting rod is slidably connected in the connecting hole, the length direction of the connecting rod is consistent with the length direction of the mounting plate, the connecting rod is slidably connected in the connecting hole along its length direction, the sliding plate is provided with grooves on both sides along the length direction of the mounting plate, one end of the connecting rod is embedded in the groove, and the mounting plate is connected with a locking assembly, the locking assembly is used to lock the connecting rod in the connecting hole, and when the connecting rod is locked in the connecting hole, the connecting rod is embedded in the groove.

[0016] By adopting the above technical solution, when the sizes of products to be picked up are different, the sliding plates with different distances between the suction cups can be replaced to adapt to products of different sizes. When removing the sliding plates, the connecting rods are moved along the length direction of the mounting plate to keep the connecting rods away from the grooves, and the connecting tubes are removed from the suction cups, thereby facilitating the removal and replacement of the sliding plates and adapting to products of different sizes.

[0017] Optionally, a mounting groove is provided on the inner wall of the connecting hole, and the length direction of the mounting groove is consistent with the radial direction of the connecting rod. The locking assembly includes a first spring and a locking block. The length direction of the first spring is consistent with the radial direction of the connecting rod. One end of the first spring is connected to the inner wall of the mounting groove, and the other end of the first spring is connected to the locking block. The locking block is connected to the mounting groove by radial sliding along the connecting rod. A slot is provided on the peripheral side of the connecting rod, and one end of the locking block is embedded in the slot.

[0018] By adopting the above technical solution, when installing the sliding plate, the sliding plate is slidably connected in the movable groove along the thickness direction of the mounting plate. When the groove is connected to the connecting hole, the connecting rod is moved along the length direction of the mounting plate, and the connecting rod is embedded in the groove. When the connecting rod is embedded in the groove, the locking block is close to the slot, and the first spring drives the locking block to slide radially along the connecting rod to connect to the mounting groove, and drives the locking block to embed in the slot, so that the sliding plate is stably connected to the movable groove.

[0019] Optionally, the connecting rod is rotatably connected in the connecting hole, and the locking block is provided with a guide surface along one side of the circumference of the connecting rod, and the guide surface is inclined to facilitate the locking block to move away from the slot.

[0020] By adopting the above technical solution, when disassembling the sliding plate, the connecting rod is rotated to make the locking block away from the slot, so as to facilitate the movement of the connecting rod along its length direction, thereby making the connecting rod away from the groove, which facilitates the disassembly of the sliding plate.

[0021] Optionally, a handle is connected to one end of the connecting rod away from the groove.

[0022] By adopting the above technical solution, a handle is added to facilitate the operator to move the connecting rod.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. After the product is injected, the moving assembly drives the mounting plate to move horizontally and close to the injection molding machine body. When the mounting plate is directly above the product, the mounting plate moves downward vertically, so that the mounting plate and the suction cup are close to the product. When the suction cup is close to the product, the suction assembly evacuates the suction cup to form a negative pressure in the suction cup, and the product is adsorbed on the suction cup. The moving assembly drives the product away from the injection molding machine body, so as to facilitate the discharge of the product and reduce labor costs;

[0025] 2. When the size of the product to be picked up is different, the sliding plate with different distances between the suction cups can be replaced to adapt to the products of different sizes. When removing the sliding plate, move the connecting rod along the length direction of the mounting plate to make the connecting rod away from the groove, and remove the connecting pipe from the suction cup, so as to facilitate the removal and replacement of the sliding plate, thereby adapting to products of different sizes;

[0026] 3. When installing the sliding plate, the sliding plate is slidably connected to the moving groove along the thickness direction of the mounting plate. When the groove is connected to the connecting hole, the connecting rod is moved along the length direction of the mounting plate and the connecting rod is embedded in the groove. When the connecting rod is embedded in the groove, the locking block is close to the slot, and the first spring drives the locking block to slide radially along the connecting rod to connect to the mounting groove, and drives the locking block to embed in the slot, so that the sliding plate is stably connected to the moving groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structural diagram of this embodiment.

[0028] Figure 2 It is a top view of this embodiment.

[0029] Figure 3 This embodiment Figure 2 Sectional view along AA direction.

[0030] Figure 4 This embodiment Figure 2 Cross-sectional view along the BB axis.

[0031] Figure 5 This embodiment Figure 2 Sectional view along CC direction.

[0032] Figure 6 This embodiment Figure 3 Enlarged view of part E.

[0033] Figure 7 This embodiment Figure 2 Enlarged view of the DD part.

[0034] Explanation of the reference numerals: 100, frame; 110, sliding groove; 200, mounting plate; 210, moving groove; 220, sliding plate; 221, groove; 230, flow channel; 231, first channel; 232, second channel; 233, connecting pipe; 240, connecting plate; 241, connecting shaft; 242, first gear; 250, connecting hole; 251, mounting groove; 260, connecting rod; 261, handle; 262, slot; 300, moving assembly; 310, screw rod; 320, slider; 330, first motor; 340, first cylinder; 341, support rod; 342, second motor; 343, second gear; 400, suction assembly; 410, suction pipe; 420, suction pump; 500, suction cup; 510, mounting pipe; 600, locking assembly; 610, first spring; 620, locking block. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-7 This application is described in further detail.

[0036] The present application embodiment discloses a discharging device of an injection molding machine. Figure 1 and Figure 2 The discharging device of the injection molding machine includes a frame 100 and a mounting plate 200. The frame 100 is connected with a moving component 300. The mounting plate 200 is connected to the moving component 300. The moving component 300 is used to drive the mounting plate 200 to move horizontally and vertically. The mounting plate 200 and the moving component 300 are arranged above the injection molding machine body.

[0037] Reference Figure 3 and Figure 4 The mounting plate 200 is connected to a suction assembly 400 , and the suction assembly 400 is connected to four suction cups 500 . The suction assembly 400 is used to evacuate air from the suction cups 500 .

[0038] After the product is injection molded, the moving component 300 drives the suction cup 500 to approach the product, and the suction component 400 evacuates air from the suction cup 500, so that the product is adsorbed on the suction cup 500, thereby facilitating the unloading of the product and reducing the labor cost consumed during the unloading process.

[0039] Reference Figure 3 The frame 100 is provided with a sliding groove 110, and the length direction of the sliding groove 110 is consistent with the horizontal direction. The moving assembly 300 includes a screw rod 310, a slider 320, a first motor 330, and a lifting member. The length direction of the screw rod 310 is consistent with the length direction of the sliding groove 110, and the two ends of the screw rod 310 along its length direction are respectively rotatably connected to the corresponding side inner wall of the sliding groove 110. The slider 320 is slidably connected in the sliding groove 110 along the length direction of the sliding groove 110, and the slider 320 is threadedly sleeved on the screw rod 310. The first motor 330 is located at one end of the screw rod 310, and the first motor 330 is connected to the frame 100, and the output shaft of the first motor 330 passes through the sliding groove 110 along the length direction of the screw rod 310 and is connected to one end of the screw rod 310. The lifting member is provided by the first cylinder 340 , and the cylinder body of the first cylinder 340 is connected to the slider 320 , the piston rod of the first cylinder 340 extends in the vertical direction, the bottom end of the piston rod of the first cylinder 340 is connected to the support rod 341 , and the mounting plate 200 is connected to the bottom of the support rod 341 .

[0040] The first motor 330 drives the screw rod 310 to rotate, so that the slider 320 slides in the horizontal direction, thereby driving the suction cup 500 to move in the horizontal direction and approach or move away from the injection molding machine body.

[0041] Reference Figure 3 and Figure 4 A moving groove 210 is provided on the side of the mounting plate 200 away from the support rod 341. The depth direction of the moving groove 210 is consistent with the thickness direction of the mounting plate 200. A sliding plate 220 is detachably connected in the moving groove 210. A suction cup 500 is connected to the side of the sliding plate 220 away from the mounting plate 200. Four suction cups 500 are distributed on the sliding plate 220 in a rectangular array. A flow channel 230 is provided in the mounting plate 200. The flow channel 230 includes a first channel 231 and a second channel 232. The first channel 231 is arranged in a square ring shape. There are four second channels 232. The length direction of the second channel 232 is consistent with the thickness direction of the mounting plate 200. One end of the second channel 232 along its length direction is connected to the first channel 231, and the other end of the second channel 232 is connected to a connecting pipe 233. A mounting tube 510 is connected to the side of the suction cup 500 close to the mounting plate 200. The mounting tube 510 passes through the sliding plate 220 along the thickness direction of the mounting plate 200. A connecting tube 233 is connected to the mounting tube 510. The connecting tube 233 is detachably connected to the mounting tube 510 through a clamp, and the connecting tube 233 is a corrugated tube.

[0042] Reference Figure 3 and Figure 4 The suction assembly 400 includes a suction pipe 410 and a suction pump 420. One end of the suction pipe 410 is connected to the first channel 231, and the other end of the suction pipe 410 is connected to the suction pump 420. The suction pump 420 is connected to one side of the mounting plate 200 along its length direction. When taking the product, the suction pump 420 draws air from the suction cup 500, so that a negative pressure is formed in the suction cup 500, and the product is adsorbed on the suction cup 500, so as to facilitate the discharge of the product.

[0043] Reference Figure 3 and Figure 5 , the side of the mounting plate 200 close to the support rod 341 is connected with a connecting plate 240, two connecting plates 240 are provided, and the two connecting plates 240 are spaced apart in the width direction of the mounting plate 200, and the two connecting plates 240 are spaced apart with a gap for the support rod 341 to be embedded. The connecting plate 240 is connected with a connecting shaft 241, and the length direction of the connecting shaft 241 is consistent with the width direction of the mounting plate 200. The two ends of the connecting shaft 241 along its length direction are respectively connected to the two connecting plates 240, and the connecting shaft 241 passes through and is rotatably connected to the bottom end of the support rod 341 along its length direction. The connecting shaft 241 is sleeved with a first gear 242, and a second motor 342 is connected to one side of the support rod 341, and the output shaft of the second motor 342 passes through the support rod 341 along the length direction of the connecting shaft 241 and is connected to a second gear 343, and the first gear 242 is meshed with the second gear 343.

[0044] The second motor 342 drives the second gear 343 to rotate, the second gear 343 drives the first gear 242 to rotate, the connecting shaft 241 and the connecting plate 240 rotate following the first gear 242, and the mounting plate 200 rotates following the connecting plate 240, thereby changing the angle between the mounting plate 200 and the support rod 341, so that the suction cup 500 can adapt to products placed at different angles.

[0045] Reference Figure 3 and Figure 6The sliding plate 220 is slidably connected in the moving groove 210 along the depth direction of the moving groove 210, the length direction of the mounting plate 200 is consistent with the length direction of the sliding plate 220, and the circumference of the sliding plate 220 is in contact with the inner wall of the moving groove 210. The mounting plate 200 is provided with connecting holes 250 on both sides along its length direction, the connecting holes 250 are connected with the moving groove 210, and the depth direction of the connecting holes 250 is consistent with the length direction of the mounting plate 200. The sliding plate 220 is provided with grooves 221 on both sides along the length direction of the mounting plate 200, the depth direction of the grooves 221 is consistent with the length direction of the mounting plate 200, and one connecting hole 250 is connected with one groove 221. A connecting rod 260 is slidably connected in the connecting hole 250, and the connecting rod 260 is rotatably connected to the connecting hole 250. The length direction of the connecting rod 260 is consistent with the length direction of the mounting plate 200. One end of the connecting rod 260 is slidably connected to the connecting hole 250 in the groove 221 along its length direction, and the other end of the connecting rod 260 is connected to a handle 261. The mounting plate 200 is connected to a locking assembly 600, and the locking assembly 600 is used to lock the connecting rod 260 in the connecting hole 250. When the connecting rod 260 is locked in the connecting hole 250, the connecting rod 260 is embedded in the groove 221.

[0046] Reference Figure 6 and Figure 7 , a mounting groove 251 is provided on the inner wall of the connecting hole 250, and the length direction of the mounting groove 251 is consistent with the radial direction of the connecting rod 260. The locking assembly 600 includes a first spring 610 and a locking block 620 connected to the mounting groove 251, and the length direction of the first spring 610 is consistent with the radial direction of the connecting rod 260. One end of the first spring 610 along its length direction is connected to the inner wall of the mounting groove 251, and the other end of the first spring 610 is connected to the locking block 620. The locking block 620 is connected to the mounting groove 251 in a radially sliding manner along the connecting rod 260. A slot 262 is provided on the circumferential side of the connecting rod 260, and the depth direction of the slot 262 is consistent with the radial direction of the connecting rod 260, and the end of the locking block 620 away from the spring is embedded in the slot 262. A guide surface is provided on one side of the circumferential direction of the connecting rod 260, and the guide surface is provided at the end of the locking block 620 away from the first spring 610, and the guide surface is inclined, so that the guide surface facilitates the locking block 620 to be away from the slot 262.

[0047] When removing the sliding plate 220, rotate the connecting rod 260 to make the locking block 620 away from the slot 262, and move the connecting rod 260 along the length direction of the mounting plate 200 to make the connecting rod 260 away from the groove 221, so as to facilitate the sliding plate 220 to move away from the movable slot 210. When installing the sliding plate 220, the sliding plate 220 is embedded in the movable slot 210, and the connecting hole 250 is connected with the groove 221, and passes through the connecting hole 250 along the length direction of the mounting plate 200. The connecting rod 260 is slidably connected to the connecting hole 250 along the length direction of the mounting plate 200 and embedded in the groove 221. When the connecting rod 260 is embedded in the groove 221, the locking block 620 is close to the slot 262, and the first spring 610 drives the locking block 620 to move along the length direction of the mounting slot 251, and makes the locking block 620 embedded in the slot 262, so that the connecting rod 260 is stably connected to the connecting hole 250.

[0048] The implementation principle of the discharge device of an injection molding machine in an embodiment of the present application is as follows: after the injection molding of the product is completed, the first motor 330 drives the screw rod 310 to rotate, so that the slider 320 moves horizontally and approaches the injection molding machine body, the second motor 342 drives the second gear 343 to rotate, and the second gear 343 drives the first gear 242 and the connecting shaft 241 to rotate, thereby driving the mounting plate 200 to rotate, and the angle of the mounting plate 200 is adjusted according to the product placement angle, so as to facilitate the suction cup 500 to pick up the product. After the angle adjustment is completed, the first cylinder 340 drives the mounting plate 200 to move downward in the vertical direction and approach the product, so that the suction cup 500 is close to the product. When the suction cup 500 is close to the product, the vacuum pump 420 extracts air from the suction cup 500, so that a negative pressure is formed in the suction cup 500, and then the product is adsorbed on the suction cup 500, and the product is driven away from the injection molding machine body through the moving component 300. When the product is away from the injection molding machine body, the vacuum pump 420 blows air into the suction cup 500 to move the product away from the suction cup 500, thereby facilitating the unloading of the product and reducing the labor cost consumed during the unloading process.

[0049] 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. A discharging device for an injection molding machine, characterized in that: The invention comprises a frame (100) and a mounting plate (200), wherein the mounting plate (200) is connected to the frame (100) via a moving assembly (300), wherein the moving assembly (300) is located above the injection molding machine body, and wherein the moving assembly (300) is used to drive the mounting plate (200) to move in a horizontal direction and in a vertical direction, and wherein the mounting plate (200) is connected to a plurality of suction cups (500) and an air suction assembly (400), and wherein the air suction assembly (400) is used to extract air from the suction cups (500).

2. The discharging device of the injection molding machine according to claim 1, characterized in that: The frame (100) is provided with a sliding groove (110), the length direction of the sliding groove (110) is consistent with the horizontal direction, the moving assembly (300) comprises a screw rod (310), a slider (320), and a first motor (330), the length direction of the screw rod (310) is consistent with the length direction of the sliding groove (110), the screw rod (310) is rotatably connected to the sliding groove (110) at both ends along its length direction, the slider (320) is threadedly sleeved on the screw rod (310), the slider (320) is slidably connected to the sliding groove (110) along the length direction of the sliding groove (110), the first motor (330) is connected to the frame (100), and the output shaft of the first motor (330) is connected to one end of the screw rod (310), and the moving assembly (300) further comprises a lifting member, the lifting member is connected to the bottom of the slider (320), and the mounting plate (200) is connected to the lifting member.

3. The discharging device of the injection molding machine according to claim 2, characterized in that: The bottom of the lifting member is connected to a support rod (341), the length direction of the support rod (341) is consistent with the vertical direction, the top of the mounting plate (200) is connected to a connecting plate (240), the connecting plate (240) is connected to a connecting shaft (241), the connecting shaft (241) passes through and is rotatably connected to the bottom end of the support rod (341), the connecting shaft (241) is sleeved with a first gear (242), the support rod (341) is connected to a second motor (342), the output shaft of the second motor (342) is connected to a second gear (343), and the first gear (242) is meshed with the second gear (343).

4. The discharging device of the injection molding machine according to claim 1, characterized in that: A flow channel (230) is provided in the mounting plate (200), and the flow channel (230) is in communication with all the suction cups (500). The suction assembly (400) comprises an air suction pipe (410) and an air suction pump (420). One end of the air suction pipe (410) is in communication with the flow channel (230), and the other end of the air suction pipe (410) is in communication with the air suction pump (420). The air suction pump (420) is connected to one side of the mounting plate (200).

5. The discharging device of the injection molding machine according to claim 4, characterized in that: A movable groove (210) is provided at the bottom of the mounting plate (200), the depth direction of the movable groove (210) is consistent with the thickness direction of the mounting plate (200), a sliding plate (220) is slidably connected in the movable groove (210), the sliding plate (220) is slidably connected in the movable groove (210) along the depth direction of the movable groove (210), the suction cup (500) is connected to the sliding plate (220), the flow channel (230) is connected to a plurality of connecting pipes (233), one connecting pipe (233) corresponds to one suction cup (500), the connecting pipe (233) is connected to the suction cup (500), the connecting pipe (233) is detachably connected to the suction cup (500), and the mounting plate (200) is provided with connecting holes on both sides along its length direction. (250), a connecting rod (260) is slidably connected in the connecting hole (250), the length direction of the connecting rod (260) is consistent with the length direction of the mounting plate (200), the connecting rod (260) is slidably connected in the connecting hole (250) along its length direction, the sliding plate (220) is provided with grooves (221) on both sides along the length direction of the mounting plate (200), one end of the connecting rod (260) is embedded in the groove (221), the mounting plate (200) is connected to a locking assembly (600), the locking assembly (600) is used to lock the connecting rod (260) in the connecting hole (250), when the connecting rod (260) is locked in the connecting hole (250), the connecting rod (260) is embedded in the groove (221).

6. The discharging device of the injection molding machine according to claim 5, characterized in that: The inner wall of the connecting hole (250) is provided with a mounting groove (251), and the length direction of the mounting groove (251) is radially consistent with the connecting rod (260). The locking assembly (600) comprises a first spring (610) and a locking block (620), and the length direction of the first spring (610) is radially consistent with the connecting rod (260). One end of the first spring (610) is connected to the inner wall of the mounting groove (251), and the other end of the first spring (610) is connected to the locking block (620). The locking block (620) is connected to the mounting groove (251) by sliding along the radial direction of the connecting rod (260). A slot (262) is provided on the peripheral side of the connecting rod (260), and one end of the locking block (620) is embedded in the slot (262).

7. The discharging device of the injection molding machine according to claim 6, characterized in that: The connecting rod (260) is rotatably connected in the connecting hole (250), and the locking block (620) is provided with a guide surface along one side of the circumference of the connecting rod (260), and the guide surface is inclined, and the guide surface facilitates the locking block (620) to move away from the slot (262).

8. The discharging device of the injection molding machine according to claim 5, characterized in that: One end of the connecting rod (260) away from the groove (221) is connected to a handle (261).

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