Discharging device of injection molding machine
By designing the discharge device of the injection molding machine, the material extraction mechanism and driving mechanism are used to achieve stable clamping and horizontal discharge of the workpiece, which solves the problems of easy workpiece damage and high worker operating strength, and improves the yield rate and work efficiency.
Patent Information
- Application Number
- CN202420686671.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-03
AI Technical Summary
When the injection molding machine is discharged, the workpiece is prone to collision and damage, and the worker has high operating strength and low working efficiency.
A feed discharge device of an injection molding machine is designed, including a support frame, a material pickup mechanism and a driving mechanism. The material collection mechanism consists of two L-shaped material clamps, wedge blocks and cylinders. Through wedge matching and cylinder drive, stable clamping and horizontal discharge of the workpiece can be achieved. The driving mechanism realizes clockwise 90° rotation of the connecting plate through the reversing slide groove and the drive rod, driving the workpiece to change from the vertical state to the horizontal state.
Effectively protect the workpiece from damage, reduce the worker's operating strength, improve the yield rate of the workpiece, and significantly improve work efficiency.
Smart Images
Figure CN222681665U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molding machines, in particular to a discharging device of an injection molding machine. Background Art
[0002] Injection molding machine is also called injection molding machine or injection machine. It is the main molding equipment that uses plastic molding molds to make plastic products of various shapes from thermoplastics or thermosetting plastics. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it ejected and fill the mold cavity.
[0003] After the plastic parts in the mold cavity are cooled and shaped, the clamping mechanism opens the mold and pushes out the plastic parts in the mold. The injection molded parts usually fall directly into the collection box after being pushed out, which not only easily causes bumps and damages the injection molded parts, but also increases the labor intensity of workers and reduces work efficiency. Utility Model Content
[0004] The utility model aims to provide a discharging device for an injection molding machine, which has the effects of protecting the injection molding machine from damage and reducing the labor intensity of workers.
[0005] The above technical purpose of the utility model is achieved through the following technical scheme: a support frame is arranged in the body of the injection molding machine, and a material picking mechanism is slidably and lifted on the support frame, and the material picking mechanism includes two L-shaped material clamps arranged oppositely, and a wedge block 1 is fixed at the bottom of the cross bar of the two material clamps, and a wedge block 2 is arranged between the two wedge blocks 1. The two wedge blocks 1 and the wedge block 2 are wedge-shaped, and the wedge block 1 is slidably connected to the slide groove of the support frame, and the end surface of the wedge block 2 away from the material clamp is connected to the piston rod of the material picking cylinder, and a driving mechanism for driving the support frame to slide is also arranged on the support frame.
[0006] The utility model is further configured as follows: the driving mechanism includes a connecting plate, the supporting frame is fixed on the connecting plate, the side of the connecting plate close to the supporting vertical plate is fixed on a support rod 1 of the L-shaped reversing rod, the other support rod 2 of the L-shaped reversing rod is slidably engaged in the reversing slide groove of the supporting vertical plate, a short rod 1 is vertically fixed at the connection point between the support rod 1 and the support rod 2, the short rod 1 is rotatably connected to the bottom end of the driving rod away from the side of the connecting plate, the driving rod is slidably engaged in the reversing slide groove, and the driving rod is connected to the end of the piston rod of the lifting cylinder.
[0007] The utility model is further configured as follows: the reversing slide groove includes a vertical groove and a steering groove, the vertical groove includes groove section one and groove section two, the steering groove includes branch groove one and branch groove two, the branch groove one is connected to groove section one at an obtuse angle, the branch groove one is connected to branch groove two at an obtuse angle, the branch groove two is parallel to groove section two, the driving rod is slidably connected in the vertical groove, and the support rod two of the L-shaped reversing rod is slidably engaged in groove section one, branch groove one and branch groove two.
[0008] The utility model is further configured as follows: a short rod two is vertically penetrated through the two ends of the support rod of the L-shaped reversing rod, a ball is provided at the end of the short rod two that abuts against the reversing slide groove, a spring is provided on the outer sleeve of the short rod two, and the spring drives the ball to abut against the reversing slide groove.
[0009] The utility model is further configured as follows: the groove depth of the turning groove is greater than the groove depth of the vertical groove, and an inclined surface is provided at the connection between the branch groove 1 and the groove section 1, and the inclined surface is located at the bottom of the groove section 1 close to the groove section 2.
[0010] The utility model is further configured as follows: a conveying mechanism is also arranged inside the support frame, the conveying mechanism comprises a conveying frame, two ends of the conveying frame are rotatably connected with a driving pulley and a driven pulley respectively, a conveying belt is sleeved on the driving pulley and the driven pulley, the driving pulley is located outside the injection molding machine body and a collection box is arranged at the end thereof.
[0011] The beneficial effects of the utility model are:
[0012] 1. When the workpiece is about to be discharged, the piston rod of the material-taking cylinder is extended, and the two material clamps are located on both sides of the lower end of the workpiece. Then the piston rod of the material-taking cylinder is retracted, driving the wedge block 2 to descend, and the distance between the two wedge blocks 1 becomes smaller until the two material clamps clamp the workpiece. A flexible friction layer can be provided on the opposite sides of the material clamps to improve the clamping stability. After clamping the workpiece, the lifting cylinder is then started, and the piston rod of the lifting cylinder is extended, driving the driving rod to slide in the direction close to the conveying frame. At this time, the driving rod slides in the vertical slot. When the driving rod slides to the slot section 2 close to the vertical slot, the reversing rod The second support rod in the middle slides down from the inclined surface of the second groove section. Since the groove depth of the steering groove is greater than the groove depth of the vertical groove, the reversing rod begins to slide in the steering groove at this moment, and the driving rod has been sliding down in the vertical groove, and finally the connecting plate rotates 90° clockwise, that is, the workpiece is driven from a vertical state to a horizontal state, which is convenient for subsequent falling onto the conveyor belt. By setting a material picking mechanism and a driving mechanism, the workpiece can be stably clamped and discharged in a horizontal state, avoiding damage to the workpiece caused by direct falling of the workpiece in the past, improving the yield rate of the workpiece, and at the same time significantly reducing the operating intensity of the workers, saving time and effort.
[0013] 2. By setting the groove depth of the steering groove greater than the groove depth of the vertical groove and providing an inclined surface at the connection between the branch groove 1 and the groove section 1, it is ensured that the connecting plate can rotate 90° clockwise when sliding in the reversing slide groove, thereby realizing the change of the workpiece state.
[0014] 3. Ball bearings are arranged at the two ends of the short rod, and springs are arranged on the two outer sleeves of the short rod to ensure that the reversing rod can smoothly rotate from the vertical groove to the steering groove, thereby ensuring the subsequent rotation of the connecting plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0016] Figure 1 It is a structural schematic diagram of the utility model.
[0017] Figure 2 It is a structural schematic diagram of the material taking mechanism in the utility model.
[0018] Figure 3 It is a structural schematic diagram of the driving mechanism in the utility model.
[0019] In the figure, 1. support frame; 2. material clamp; 3. wedge block 1; 4. wedge block 2; 5. support frame; 6. material taking cylinder; 7. connecting plate; 8. reversing rod; 9. support vertical plate; 10. reversing slide; 101. vertical groove; 102. steering groove; 11. driving rod; 12. lifting cylinder; 13. short rod 2; 14. spring; 15. conveyor frame; 16. conveyor belt; 17. collection box. DETAILED DESCRIPTION
[0020] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] Embodiment, a discharging device of an injection molding machine, such as Figure 1-3As shown, a support frame 1 is provided in the body of the injection molding machine, and a material picking mechanism is slidably raised and lowered on the support frame 1. The material picking mechanism includes two L-shaped material clamps 2 arranged opposite to each other, and a wedge block 3 is fixed at the bottom of the crossbar of the two material clamps 2. A wedge block 2 4 is provided between the two wedge blocks 1 3. The two wedge blocks 1 3 and the wedge block 2 4 are wedge-shapedly matched, and the wedge block 1 3 is slidably connected to the slide groove of the support frame 5. The end surface of the wedge block 2 4 away from the material clamp 2 is connected to the piston rod of the material picking cylinder 6. A driving mechanism for driving the support frame 5 to slide is also provided on the support frame 1, and the driving mechanism includes a connecting plate 7. The support frame 5 is fixed on the connecting plate 7, and the side of the connecting plate 7 close to the supporting vertical plate 9 is fixed to the support rod 1 of the L-shaped reversing rod 8. , the other support rod 2 of the L-shaped reversing rod 8 is slidably connected to the reversing slide groove 10 of the supporting vertical plate 9, and a short rod 1 is vertically fixed at the connection point between the support rod 1 and the support rod 2. The short rod 1 is rotatably connected to the bottom end of the driving rod 11 away from the side of the connecting plate 7. The driving rod 11 is slidably connected to the reversing slide groove 10. The driving rod 11 is connected to the piston rod end of the lifting cylinder 12. The reversing slide groove 10 includes a vertical groove 101 and a steering groove 102. The vertical groove 101 includes a groove section 1 and a groove section 2. The steering groove 102 includes a branch groove 1 and a branch groove 2. The branch groove 1 is connected to the groove section 1 at an obtuse angle. The branch groove 1 is connected to the branch groove 2 at an obtuse angle. The branch groove 2 is parallel to the groove section 2. The driving rod 11 is slidably connected to the vertical groove In 101, the support rod 2 of the L-shaped reversing rod 8 is slidably engaged in the groove section 1, the branch groove 1 and the branch groove 2. When the workpiece is about to be discharged, the piston rod of the material taking cylinder 6 is extended, and the two material clamps 2 are located on both sides of the lower end of the workpiece. Then the piston rod of the material taking cylinder 6 is retracted, driving the wedge block 2 4 to descend, and the distance between the two wedge blocks 1 3 becomes smaller until the two material clamps 2 clamp the workpiece. A flexible friction layer can be provided on the opposite sides of the material clamps 2 to improve the clamping stability. After clamping the workpiece, the lifting cylinder 12 is then started, and the piston rod of the lifting cylinder 12 is extended to drive the driving rod 11 to slide in the direction close to the conveying frame 15. At this time, the driving rod 11 slides in the vertical groove 101. When the driving rod 11 slides to When approaching the second groove section of the vertical groove 101, the support rod second in the reversing rod 8 slides down from the inclined surface of the second groove section. Since the groove depth of the steering groove 102 is greater than the groove depth of the vertical groove 101, the reversing rod 8 begins to slide in the steering groove 102 at this moment, and the driving rod 11 has been sliding down in the vertical groove 101, and finally the connecting plate 7 rotates 90° clockwise, that is, drives the workpiece from a vertical state to a horizontal state, which is convenient for subsequent falling onto the conveyor belt 16. By setting a material picking mechanism and a driving mechanism, the workpiece can be stably clamped and discharged in a horizontal state, avoiding the damage of the workpiece caused by direct falling of the workpiece in the past, improving the yield rate of the workpiece, and at the same time significantly reducing the operating intensity of the workers, saving time and effort.
[0022] like Figure 1-3As shown, the groove depth of the steering groove 102 is greater than the groove depth of the vertical groove 101, and an inclined surface is provided at the connection between the branch groove 1 and the groove segment 1. The inclined surface is located at the bottom of the groove segment 1 near the groove segment 2. By setting the groove depth of the steering groove 102 to be greater than the groove depth of the vertical groove 101 and providing an inclined surface at the connection between the branch groove 1 and the groove segment 1, it is ensured that the connecting plate 7 can rotate 90° clockwise when sliding in the reversing slide groove 10, thereby realizing the change of the workpiece state.
[0023] like Figure 1-3 As shown, short rods 13 are vertically passed through the two ends of the support rod of the L-shaped reversing rod 8. The ends of the short rods 13 that abut against the reversing slide groove 10 are provided with balls. The outer sleeve of the short rods 13 is provided with a spring 14. The spring 14 drives the balls to abut against the reversing slide groove 10 to ensure that the reversing rod 8 can smoothly rotate from the vertical groove 101 to the steering groove 102, thereby ensuring the subsequent rotation of the connecting plate 7.
[0024] like Figure 1-3 As shown, a conveying mechanism is also provided in the support frame 1, and the conveying mechanism includes a conveying frame 15, and the two ends of the conveying frame 15 are rotatably connected with a driving pulley and a driven pulley respectively, and a conveying belt 16 is sleeved on the driving pulley and the driven pulley. The driving pulley is located outside the injection molding machine body and a collection box 17 is provided at the end. The conveying mechanism ensures that the workpiece slides out of the injection molding machine body smoothly.
[0025] The working principle of a discharging device of an injection molding machine:
[0026] When the workpiece is about to be discharged, the piston rod of the material taking cylinder 6 is extended, and the two material clamps 2 are located on both sides of the lower end of the workpiece. Then, the piston rod of the material taking cylinder 6 is retracted, driving the wedge block 2 4 to descend, and the distance between the two wedge blocks 1 3 becomes smaller until the two material clamps 2 clamp the workpiece. A flexible friction layer can be provided on the opposite sides of the material clamps 2 to improve the clamping stability. After clamping the workpiece, the lifting cylinder 12 is then started, and the piston rod of the lifting cylinder 12 is extended, driving the driving rod 11 to slide in the direction close to the conveying frame 15. At this time, the driving rod 11 slides in the vertical groove 101. When the driving rod 11 slides to the groove section 2 close to the vertical groove 101, the change The second support rod in the reversing rod 8 slides down from the inclined surface of the second groove section. Since the groove depth of the reversing groove 102 is greater than the groove depth of the vertical groove 101, the reversing rod 8 starts to slide in the reversing groove 102 at this moment, and the driving rod 11 has been sliding down in the vertical groove 101, and finally the connecting plate 7 rotates 90° clockwise, that is, the workpiece is driven to change from a vertical state to a horizontal state, which is convenient for subsequent falling onto the conveyor belt 16. By setting a material picking mechanism and a driving mechanism, the workpiece can be stably clamped and discharged in a horizontal state, avoiding damage to the workpiece caused by direct falling of the workpiece in the past, improving the yield rate of the workpiece, and significantly reducing the operating intensity of the workers, saving time and effort.
Claims
1. A discharging device for an injection molding machine, characterized in that: The invention comprises a support frame (1), on which a material picking mechanism is slidably raised and lowered, the material picking mechanism comprises two L-shaped material clamps (2) arranged opposite to each other, a wedge block (3) being fixed at the bottom of the cross bars of the two material clamps (2), a wedge block (4) being arranged between the two wedge blocks (3), the two wedge blocks (3) and the wedge block (4) being wedge-shapedly matched, the wedge block (3) being slidably connected to a slide groove of a support frame (5), the end surface of the wedge block (4) away from the material clamp (2) being connected to the piston rod of a material picking cylinder (6), and a driving mechanism for driving the support frame (5) to slide is also arranged on the support frame (1).
2. The discharging device of an injection molding machine according to claim 1, characterized in that: The driving mechanism comprises a connecting plate (7), the supporting frame (5) is fixed on the connecting plate (7), the side of the connecting plate (7) close to the supporting vertical plate (9) is fixed on a support rod 1 of an L-shaped reversing rod (8), another support rod 2 of the L-shaped reversing rod (8) is slidably engaged in a reversing slide groove (10) of the supporting vertical plate (9), a short rod 1 is vertically fixed at the connection point between the support rod 1 and the support rod 2, the short rod 1 is rotatably connected to the bottom end of a driving rod (11) away from the side of the connecting plate (7), the driving rod (11) is slidably engaged in the reversing slide groove (10), and the driving rod (11) is connected to the end of the piston rod of a lifting cylinder (12).
3. The discharging device of an injection molding machine according to claim 2, characterized in that: The reversing slide groove (10) comprises a vertical groove (101) and a deflection groove (102), the vertical groove (101) comprises a groove section 1 and a groove section 2, the deflection groove (102) comprises a branch groove 1 and a branch groove 2, the branch groove 1 is connected to the groove section 1 at an obtuse angle, the branch groove 1 is connected to the branch groove 2 at an obtuse angle, the branch groove 2 is parallel to the groove section 2, the driving rod (11) is slidably connected to the vertical groove (101), and the support rod 2 of the L-shaped reversing rod (8) is slidably engaged in the groove section 1, the branch groove 1 and the branch groove 2.
4. The discharging device of an injection molding machine according to claim 3, characterized in that: Two short rods (13) are vertically passed through the two ends of the support rod of the L-shaped reversing rod (8); the ends of the two short rods (13) abutting against the reversing slide groove (10) are provided with balls; the outer sleeve of the two short rods (13) is provided with a spring (14); the spring (14) drives the balls to abut against the inside of the reversing slide groove (10).
5. The discharging device of an injection molding machine according to claim 4, characterized in that: The groove depth of the turning groove (102) is greater than the groove depth of the vertical groove (101), and an inclined surface is provided at the connection between the branch groove 1 and the groove section 1, and the inclined surface is located at the bottom of the groove section 1 close to the groove section 2.
6. A discharging device for an injection molding machine according to claim 5, characterized in that: A conveying mechanism is also arranged inside the support frame (1), and the conveying mechanism comprises a conveying frame (15), and two ends of the conveying frame (15) are rotatably connected with a driving pulley and a driven pulley respectively, and a conveying belt (16) is sleeved on the driving pulley and the driven pulley. The driving pulley is located outside the injection molding machine body and a collection box (17) is arranged at the end.