Novel secondary slide block core-pulling mechanism
By designing a new secondary slider core extraction mechanism, using the limit structure of the electric push rod and threaded rod system, the core extraction problem of single or porous core extraction on the side core extraction surface of the plastic products is solved, and a single-step core extraction without damage is achieved Operation improves molding quality.
Patent Information
- Application Number
- CN202323372282.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-12
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-12
AI Technical Summary
During the core extraction process of plastic products, when the side core extraction needs to be demolded on the side and there are single or porous holes on the side core extraction surface, the prior art requires the core extraction and demolding in steps to prevent the hole position from being strained. , affects the molding quality.
A new secondary slider core extraction mechanism was designed. Through the threaded rod driven by electric push rod and motor, the limiting structure of the slider and groove can realize the sliding and synchronous movement of the slider, and control the core extraction operation. Avoid hole damage.
The core extraction operation is completed in a single step, avoiding hole damage, and improving the molding quality and core extraction efficiency of plastic products.
Smart Images
Figure CN222201502U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a core pulling mechanism, in particular to a novel secondary slider core pulling mechanism, belonging to the technical field of core pulling mechanisms. Background Art
[0002] Due to the various special features of plastic products, the injection mold is required to design corresponding structures, such as sliders. When the product features molded on the slider require core pulling in different directions, it is often necessary to add a slider system with core pulling in other directions to the slider moving in one direction to complete the core pulling of the slider, and it is also necessary to ensure the correctness of the slider movement.
[0003] When the two-way pipe of the automobile is cored out, if the side of the plastic product needs to be cored out and demoulded and there are single or multiple holes on the side cored surface, it is necessary to perform cored out and demoulded in steps. Generally, the side is cored out and demoulded first, and then the mold pin is pulled out to prevent the single hole or multiple holes from being damaged by the cored out during demoulding, which affects the molding quality of the plastic product. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] The purpose of the utility model is to provide a new secondary slider core pulling mechanism in order to solve the above-mentioned problem, so as to solve the problem in the prior art that when the side of the plastic product needs to be demoulded by side core pulling and the side core pulling surface has a single hole or multiple holes, it is necessary to perform core pulling and demoulding in steps. Generally, the side is first core pulled and demoulded, and then the mold pin is pulled out to prevent the single hole or the multiple holes from being damaged by the core pulling during demoulding, thereby affecting the molding quality of the plastic product.
[0006] (II) Technical solution
[0007] The utility model is implemented through the following technical scheme: a new secondary slider core pulling mechanism comprises a base, one side of the base is fixedly connected to a mounting plate, one side of the mounting plate is fixedly connected to an electric push rod, the output end of the electric push rod is fixedly connected to a push rod, the output end of the push rod is fixedly connected to a connecting plate, one side of the top of the base is fixedly connected to a mold base, one side of the top of the base is slidably connected to a first slider, one side of the inside of the first slider is slidably connected to a second slider, both sides of the inside of the first slider are provided with sliding grooves, and positioning pins are slidably connected to the inside of the two sliding grooves.
[0008] Preferably, a groove is provided on the inner side of the front end of the second slider, the connecting plate is fixedly connected to the inside of the groove, connecting tubes are fixedly connected to both sides of the top of the mold base, the two connecting tubes are connected to the first slider and the second slider, and positioning screws are threadedly connected to both sides of the two second sliders to enable the first slider and the second slider to perform core pulling operations, and the positioning screws limit the second slider to control the moving distance of the second slider.
[0009] Preferably, sliding plates are integrally formed on both sides of the second slider, and a card slot is formed on one side of the two sliding plates. Guide plates are integrally formed on both sides of the top of the base, and limiting grooves are formed on opposite sides of the two guide plates. The positioning pins are respectively adapted to the limiting grooves and the card slots, so that the positioning pins limit the limiting grooves and the card slots.
[0010] Preferably, limit plates are provided on both sides of the bottom of the base, a support plate is fixedly connected between the two limit plates, vertical plates are fixedly connected on the front and rear sides of the bottom of the support plate, threaded rods are rotatably connected inside the two vertical plates, and movable plates are threadedly connected on the outer sides of the threaded rods, a motor is fixedly connected to one side of the vertical plate, and the output end of the motor is fixedly connected to the threaded rod, so that the motor starts to drive the threaded rod to rotate, and the rotation of the threaded rod drives the movable plate to move.
[0011] Preferably, slide plates are fixedly connected to both sides of the top of the movable plate, and the two slide plates are slidably connected to the inside of the two limit plates respectively, so that the movable plate drives the two slide plates to move.
[0012] Preferably, the tops of the two slides are fixedly connected with positioning blocks, both sides of the base are provided with positioning grooves, and the two positioning blocks are respectively arranged inside the positioning grooves on both sides of the base, so that the two slides drive the two positioning blocks to move.
[0013] Preferably, the two positioning blocks are both threadedly connected with bolts, and threaded holes are provided inside both sides of the base. The two bolts correspond to the two threaded holes respectively, so that the two bolts fix the positioning blocks and the base, thereby positioning the base.
[0014] The utility model provides a novel secondary slider core pulling mechanism, which has the following beneficial effects:
[0015] 1. The new secondary slider core-pulling mechanism is driven by the electric push rod to move the push rod, so that the push rod drives the connecting plate to move, and the second slider is limited by the positioning screw, which is conducive to controlling the stroke of the second slider, thereby driving the second slider to slide, so that the second slider performs a core-pulling operation, and the second slider is connected to the connecting plate. Figure 2 The position of the slide groove and the groove is set so that the positioning pin limits the groove and the slide groove. Both ends of the positioning pin are set to arc shape, so that the positioning pin is initially located inside the limiting groove of the guide plate. When the second slider moves, it slides inside the first slider. When the second slider drives the groove to move to the position of the positioning pin, the positioning pin moves out from the limiting groove to the inside of the groove, so that the second slider limits the groove. When the second slider moves, it drives the first slider to move synchronously to perform secondary core pulling to solve the problem of product roughening.
[0016] 2. The new secondary slider core-pulling mechanism starts the motor to drive the threaded rod to rotate, and the rotation of the threaded rod drives the moving plate to move, thereby driving the moving plate and the two slides to slide inside the two limit plates, so that the two slides drive the two positioning blocks to move, and the positioning blocks drive the base to move, thereby adjusting the position of the base, and the positioning blocks and the base are positioned by bolts for easy adjustment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the bottom structure of the utility model;
[0019] Figure 3 It is a structural schematic diagram of the movable plate of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the limit plate of the utility model;
[0021] Figure 5 It is a structural schematic diagram of the second sliding block of the utility model.
[0022]
Main component symbol description
[0023] 1. Base; 2. Mounting plate; 3. Electric push rod; 4. Push rod; 5. Connecting plate; 6. First slider; 7. Second slider; 8. Die base; 9. Sliding plate; 10. Locating pin; 11. Guide plate; 12. Connecting pipe; 13. Slide groove; 14. Support plate; 15. Limiting plate; 16. Vertical plate; 17. Threaded rod; 18. Moving plate; 19. Slide plate; 20. Positioning block; 21. Bolt; 22. Motor; 23. Positioning screw. DETAILED DESCRIPTION
[0024] The embodiment of the utility model provides a novel secondary slider core pulling mechanism.
[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5, including a base 1, one side of the base 1 is fixedly connected to a mounting plate 2, one side of the mounting plate 2 is fixedly connected to an electric push rod 3, the output end of the electric push rod 3 is fixedly connected to a push rod 4, the output end of the push rod 4 is fixedly connected to a connecting plate 5, one side of the top of the base 1 is fixedly connected to a mold base 8, one side of the top of the base 1 is slidably connected to a first slider 6, one side of the first slider 6 is slidably connected to a second slider 7, both sides of the first slider 6 are provided with slide grooves 13, and both sides of the two slide grooves 13 are slidably connected to positioning pins 10, a groove is provided on the inner side of the front end of the second slider 7, the connecting plate 5 is fixedly connected to the inside of the groove, and both sides of the top of the mold base 8 are fixed The first and second sliders 6 and 7 are connected with a connecting tube 12, and the two connecting tubes 12 are connected with the first slider 6 and the second slider 7. The two second sliders 7 are threadedly connected with positioning screws 23 on both sides to enable the first slider 6 and the second slider 7 to perform core pulling operations. The positioning screws 23 limit the second slider 7 to control the moving distance of the second slider 7. The second slider 7 is integrally formed with sliding plates 9 on both sides, and the two sliding plates 9 are formed with a card slot on one side. The top of the base 1 is integrally formed with guide plates 11 on both sides, and the two guide plates 11 are formed with a limiting groove on the opposite side. The positioning pins 10 are respectively adapted to the limiting groove and the card slot so that the positioning pins 10 is used to limit the limit grooves and the card slots. Limit plates 15 are arranged on both sides of the bottom of the base 1. A support plate 14 is fixedly connected between the two limit plates 15. Vertical plates 16 are fixedly connected to the front and rear sides of the bottom of the support plate 14. The two vertical plates 16 are rotatably connected to the inner parts of the two vertical plates 16. The outer side of the threaded rod 17 is threadedly connected to a movable plate 18. A motor 22 is fixedly connected to one side of the vertical plate 16. The output end of the motor 22 is fixedly connected to the threaded rod 17, so that the motor 22 is started to drive the threaded rod 17 to rotate, and the threaded rod 17 rotates to drive the movable plate 18 to move. Slide plates 19 are fixedly connected to both sides of the top of the movable plate 18. The slide plates 19 are slidably connected to the inside of the two limit plates 15, respectively, so that the movable plate 18 drives the two slide plates 19 to move, and the tops of the two slide plates 19 are fixedly connected with positioning blocks 20. Positioning grooves are provided on both sides of the base 1. The two positioning blocks 20 are respectively arranged in the positioning grooves on both sides of the base 1, so that the two slide plates 19 drive the two positioning blocks 20 to move, and the two positioning blocks 20 are threadedly connected with bolts 21. Threaded holes are provided on both sides of the base 1, and the two bolts 21 correspond to the two threaded holes respectively, so that the two bolts 21 fix the positioning blocks 20 and the base 1, thereby positioning the base 1.
[0026] When the utility model is in use, the electric push rod 3 is started to drive the push rod 4 to move, so that the push rod 4 drives the connecting plate 5 to move, and the second slider 7 is limited by the positioning screw 23, which is conducive to controlling the stroke of the second slider 7, thereby driving the second slider 7 to slide, so that the second slider 7 performs a core pulling, and the second slider 7 is connected to the connecting plate 5. Figure 2The position of the slide groove 13 and the groove is set so that the positioning pin 10 limits the groove and the slide groove 13. Both ends of the positioning pin 10 are set to an arc shape. The positioning pin 10 is provided with an elastic member at one end close to the guide plate 11 to push the positioning pin 10 to move inward so that the positioning pin 10 is initially located inside the limiting groove of the guide plate 11. When the second slider 7 slides inside the first slider 6 during movement, when the second slider 7 drives the groove to the position of the positioning pin 10, the positioning pin 10 moves out from the limiting groove to the inside of the groove, so that the second slider 7 limits the groove. When the second slider 7 moves, it drives the first slider 6 to move synchronously to perform secondary core pulling.
[0027] The threaded rod 17 is driven to rotate by starting the motor 22, and the rotation of the threaded rod 17 drives the movable plate 18 to move, thereby driving the movable plate 18 and the two slide plates 19 to slide inside the two limit plates 15, so that the two slide plates 19 drive the two positioning blocks 20 to move, and the positioning blocks 20 drive the base 1 to move, so as to adjust the position of the base 1, and the positioning blocks 20 and the base 1 are positioned by bolts 21 for easy adjustment.
[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A novel secondary slider core pulling mechanism, comprising a base (1), characterized in that: One side of the base (1) is fixedly connected to a mounting plate (2), one side of the mounting plate (2) is fixedly connected to an electric push rod (3), an output end of the electric push rod (3) is fixedly connected to a push rod (4), an output end of the push rod (4) is fixedly connected to a connecting plate (5), one side of the top of the base (1) is fixedly connected to a mold base (8), one side of the top of the base (1) is slidably connected to a first slider (6), one side of the first slider (6) is slidably connected to a second slider (7), both sides of the first slider (6) are provided with sliding grooves (13), and both of the two sliding grooves (13) are slidably connected to positioning pins (10).
2. The novel secondary slider core pulling mechanism according to claim 1 is characterized in that: A groove is provided on the inner side of the front end of the second slider (7), the connecting plate (5) is fixedly connected to the inside of the groove, connecting pipes (12) are fixedly connected to both sides of the top of the mold base (8), the two connecting pipes (12) are connected to the first slider (6) and the second slider (7), and positioning screws (23) are threadedly connected to both sides of the inside of the two second sliders (7).
3. The novel secondary slider core pulling mechanism according to claim 1 is characterized in that: Both sides of the second sliding block (7) are integrally formed with sliding plates (9), and one side of the two sliding plates (9) is formed with a card slot. Both sides of the top of the base (1) are integrally formed with guide plates (11), and the opposite sides of the two guide plates (11) are formed with limit slots, and the positioning pins (10) are respectively adapted to the limit slots and the card slots.
4. The novel secondary slider core pulling mechanism according to claim 1 is characterized in that: Limiting plates (15) are provided on both sides of the bottom of the base (1); a support plate (14) is fixedly connected between the two limiting plates (15); vertical plates (16) are fixedly connected to the front and rear sides of the bottom of the support plate (14); threaded rods (17) are rotatably connected inside the two vertical plates (16); a movable plate (18) is threadedly connected to the outer side of the threaded rod (17); a motor (22) is fixedly connected to one side of the vertical plate (16); and an output end of the motor (22) is fixedly connected to the threaded rod (17).
5. The novel secondary slider core pulling mechanism according to claim 4 is characterized in that: Both sides of the top of the movable plate (18) are fixedly connected with slide plates (19), and the two slide plates (19) are respectively slidably connected to the inside of the two limit plates (15).
6. The novel secondary slider core pulling mechanism according to claim 5 is characterized in that: The tops of the two slide plates (19) are fixedly connected with positioning blocks (20), and positioning grooves are provided on both sides of the base (1). The two positioning blocks (20) are respectively arranged inside the positioning grooves on both sides of the base (1).
7. The novel secondary slider core pulling mechanism according to claim 6 is characterized in that: The two positioning blocks (20) are both threadedly connected with bolts (21), and threaded holes are provided inside both sides of the base (1), and the two bolts (21) correspond to the two threaded holes respectively.