Sequential ejection structure of inverted injection mold for automobile storage box
By designing the sequential ejection structure of the flip-up injection mold of the car storage box, and using the cooperation of the touch switch and the needle plate to achieve automatic core extraction and mold release, the cylinder control error and core extraction pellet limit difference in the prior art are solved. The problem improves the stability and user experience of the device.
Patent Information
- Application Number
- CN202421120391.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-22
AI Technical Summary
Existing injection molds are prone to errors in artificially controlling the stroke of the cylinder during core extraction or demolding, and the limiting effect of the core extraction pellet is poor, resulting in a reduction in the practicality of the device and the possibility of core extraction pellet falling off.
A sequential ejection structure of a car storage box flip injection mold is designed. The oil cylinder is started by touching the switch, which drives the card block and needle plate to move simultaneously to ensure smooth sliding, and through the cooperation of the core pulling block and the limit block, Achieve automatic core extraction and mold release to avoid human operation errors and core extraction pellets falling off.
It improves the stability and user experience of the device, avoids human operation errors, ensures the smoothness and accuracy of the core extraction and mold release process, and enhances the practicality of the device.
Smart Images
Figure CN222290909U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, in particular to a sequential ejection structure of an inverted injection mold for an automobile storage box. Background Art
[0002] When producing the car storage box, an injection mold is needed. During the production process, the car storage box needs to be cored out. When demolding is required, the core pulling step and the demolding step need to be performed in order to avoid damage to the injection molded parts.
[0003] The existing technology has the following problems:
[0004] The injection mold of the prior art needs to control the stroke of the oil cylinder when performing core pulling or demoulding, but errors may occur during manual control, reducing the practicality of the device. At the same time, the prior art has a poor limiting effect on the core pulling block when performing core pulling, and the core pulling block may fall off. Utility Model Content
[0005] The utility model provides a sequential ejection structure of an inverted injection mold of an automobile storage box, so as to solve the problems raised in the above-mentioned background technology.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0007] The invention relates to a sequential ejection structure of an inverted injection mold for an automobile storage box, comprising a fixed mold base, a glue injection port is provided at the bottom of the fixed mold base, four return pins are fixedly connected to the bottom of the fixed mold base in a rectangular array, a movable mold mechanism is overlapped on the top of the fixed mold base, a core pulling mechanism is fixedly connected to the top of the right end of the fixed mold base, and a demolding mechanism is fixedly connected to the top of the front and rear ends of the fixed mold base, the movable mold mechanism comprises a movable mold base, the bottom end of the movable mold base overlaps the top of the fixed mold base, the bottom of the movable mold base is fixedly connected with a core by bolts, an injection molded part is inserted into the outer wall of the core, and the outer wall of the injection molded part is inserted into the top of the fixed mold base, the core pulling mechanism comprises a fixed base, the left end of the fixed base is fixedly connected to the top of the right end of the fixed mold base by bolts, and the demolding mechanism comprises two oil cylinders 2 and a mounting plate, the top of the oil cylinder 2 is fixedly connected to the top of the fixed mold base by bolts, and the outer wall of the mounting plate is fixedly connected to the outer wall of the fixed mold base by bolts.
[0008] Preferably: the top of the fixed seat is fixedly connected with a cylinder 1, the output end of the cylinder 1 is fixedly clamped with a core pulling block, the outer wall of the core pulling block is slidably connected to the top of the fixed mold seat, and the left part of the core pulling block is plugged into the right part of the injection molded part.
[0009] Preferably: the inner wall of the core pulling block is fixedly connected with a spring pin, the left part of the spring pin is plugged into the inner wall of the injection molded part, the right end of the core pulling block is overlapped with a slider, the right end of the slider is overlapped with a baffle, and the left end of the baffle is fixedly connected to the top of the right end of the fixed mold base by bolts.
[0010] Preferably, a slope is provided on the left portion of the sliding block, and an inner wall of the slope is slidably connected to the right end of the elastic pin.
[0011] Preferably, the front and rear positions of the top of the left end of the baffle are fixedly connected with limiting blocks, the outer wall of the limiting block is slidably connected to the right part of the sliding block, and the limiting block has a T-shaped appearance.
[0012] Preferably: the output end of the oil cylinder 2 is fixedly connected with a clamping block, the outer wall of the clamping block is clamped with a lower needle plate, the outer wall of the lower needle plate is slidably connected to the bottom of the fixed mold seat, the top of the lower needle plate is fixedly connected with an upper needle plate by bolts, the inner wall of the upper needle plate is fixedly connected with an ejector pin, the outer wall of the ejector pin is movably sleeved with the inner wall of the fixed mold seat, the top of the ejector pin overlaps the outer wall of the injection molded part, and the inner walls of the lower needle plate and the upper needle plate are movably sleeved with the outer wall of the return pin.
[0013] Preferably: the upper and lower parts of one end of the mounting plate are fixedly connected with a touch switch, one end of the touch switch is fixedly connected with a contact, the outer wall of the contact is overlapped with a block, the outer wall of the block is fixedly connected to the top of the lower needle plate by bolts, and the touch switch is electrically connected to the second cylinder.
[0014] Preferably: the front and rear positions of the left part of the lower needle plate are fixedly connected with an inclined ejector pin by bolts, the top of the inclined ejector pin is movably sleeved with a sliding sleeve, the outer wall of the sliding sleeve is fixedly connected to the top of the fixed mold seat by bolts, the bottom end of the inclined ejector pin is rotatably connected with a connecting block, the outer wall of the connecting block is slidably connected to a fixed frame, the bottom end of the fixed frame is fixedly connected to the inner wall of the lower needle plate by bolts, the top end of the inclined ejector pin is fixedly connected with an ejection block by bolts, the outer wall of the ejection block is clamped with the outer wall of the injection molded part, and the outer wall of the ejection block is slidably connected to the inner wall of the fixed mold seat.
[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0016] 1. The utility model provides a sequential ejection structure of an inverted injection mold for an automobile storage box. The oil cylinder 2 is started by touching a switch to drive the card block to move upward synchronously, so that the card block drives the lower needle plate and the upper needle plate to move synchronously, so that the lower needle plate and the upper needle plate slide on the outer wall of the return needle, and the return needle guides the lower needle plate and the upper needle plate to make the lower needle plate and the upper needle plate slide more smoothly. At the same time, the lower needle plate and the upper needle plate drive the ejector pin and the inclined ejector pin to move upward synchronously, and the ejector pin ejects the injection molded part upward, and at the same time, the inclined ejector pin drives the ejection block to move upward synchronously, so as to eject the injection molded part upward, so that the injection molded part is demoulded, and at the same time, the lower needle plate drives the stopper to move upward synchronously, and when the top end of the stopper contacts the contact of the touch switch located above, the oil cylinder 2 stops working, so that the oil cylinder 2 can be automatically closed after reaching the specified stroke, thereby increasing the stability of the device and avoiding possible errors caused by human operation.
[0017] 2. The utility model provides a sequential ejection structure of an inverted injection mold for a car storage box. By starting the oil cylinder 1, the core pulling block is driven to move, and the core pulling block drives the elastic needle to move synchronously, so that the elastic needle slides on the inner wall of the fixed mold seat, and the right end of the elastic needle slides on the inner wall of the slope, thereby causing the slider to move upward, and at the same time, the limit block slides on the inner wall of the slider, and the limit block limits the slider to prevent the slider from falling off, thereby achieving a limiting effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a structural schematic diagram of the main view of the utility model;
[0019] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;
[0020] Figure 3 It is a schematic diagram of the cutaway structure of the main view of the utility model;
[0021] Figure 4 This is a structural schematic diagram of the core pulling mechanism of the utility model;
[0022] Figure 5 For this utility model Figure 4 The enlarged structural diagram at A in the middle;
[0023] Figure 6 It is a schematic diagram of the cutaway structure of the core pulling mechanism of the utility model;
[0024] Figure 7 It is a structural schematic diagram of the demoulding mechanism of the utility model;
[0025] Figure 8 It is a structural schematic diagram of the inclined ejector pin of the utility model.
[0026] In the figure: 1. fixed mold base; 11. injection port; 12. return needle; 2. movable mold mechanism; 21. movable mold base; 22. core; 3. core pulling mechanism; 31. fixed seat; 32. oil cylinder 1; 33. core pulling block; 34. spring needle; 35. slider; 351. ramp; 36. baffle; 361. limit block; 4. demoulding mechanism; 41. oil cylinder 2; 42. clamping block; 43. lower needle plate; 44. upper needle plate; 441. ejector; 45. mounting plate; 46. touch switch; 47. block; 48. inclined ejector; 481. sliding sleeve; 482. connecting block; 483. fixed frame; 49. ejector block; 5. injection molded part. DETAILED DESCRIPTION
[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0028] like Figure 1-Figure 4 As shown, a sequential ejection structure of an inverted injection mold for a car storage box includes a fixed mold base 1, a glue injection port 11 is opened at the bottom of the fixed mold base 1, four return pins 12 are fixedly connected to the bottom of the fixed mold base 1 in a rectangular array, a movable mold mechanism 2 is overlapped on the top of the fixed mold base 1, a core pulling mechanism 3 is fixedly connected to the top of the right end of the fixed mold base 1, and a demoulding mechanism 4 is fixedly connected to the top of the front and rear ends of the fixed mold base 1, and the movable mold mechanism 2 includes a movable mold base 21, the bottom end of the movable mold base 21 is overlapped with the top of the fixed mold base 1, and the movable mold base The bottom of 21 is fixedly connected with the core 22 by bolts, the outer wall of the core 22 is plugged with the injection molded part 5, the outer wall of the injection molded part 5 is plugged with the top of the fixed mold base 1, the core pulling mechanism 3 includes a fixed seat 31, the left end of the fixed seat 31 is fixedly connected with the top of the right end of the fixed mold base 1 by bolts, the demoulding mechanism 4 includes two cylinders 41 and a mounting plate 45, the top of the cylinder 41 is fixedly connected with the top of the fixed mold base 1 by bolts, and the outer wall of the mounting plate 45 is fixedly connected with the outer wall of the fixed mold base 1 by bolts.
[0029] The mold is opened by the fixed mold base 1 and the movable mold base 21 to separate the core 22 and the injection molded part 5, and then the core pulling work can be completed by the core pulling mechanism 3, and then the injection molded part 5 is demolded by the demoulding mechanism 4.
[0030] like Figure 3 , Figure 4 , Figure 6As shown, the top of the fixed seat 31 is fixedly connected to the cylinder 1 32, the output end of the cylinder 1 32 is fixedly clamped with the core pulling block 33, the outer wall of the core pulling block 33 is slidably connected to the top of the fixed mold seat 1, the left part of the core pulling block 33 is plugged into the right part of the injection molded part 5, the inner wall of the core pulling block 33 is fixedly connected to the elastic pin 34, the left part of the elastic pin 34 is plugged into the inner wall of the injection molded part 5, the right end of the core pulling block 33 is overlapped with a slider 35, the right end of the slider 35 is overlapped with a baffle 36, the left end of the baffle 36 is fixedly connected to the top of the right end of the fixed mold seat 1 by bolts, the left part of the slider 35 is provided with a slope 351, and the inner wall of the slope 351 is slidably connected to the right end of the elastic pin 34.
[0031] By starting the oil cylinder 1 32, the core pulling block 33 is driven to move, and the core pulling block 33 drives the elastic needle 34 to move synchronously, so that the elastic needle 34 slides on the inner wall of the fixed mold base 1, and the right end of the elastic needle 34 slides on the inner wall of the slope 351, thereby the slider 35 moves upward, so that the outer wall of the elastic needle 34 is no longer in contact with the inner wall of the injection molded part 5, completing the core pulling work and achieving the core pulling effect.
[0032] like Figure 3-Figure 5 As shown, the front and rear positions of the top of the left end of the baffle 36 are fixedly connected to the limiting block 361, the outer wall of the limiting block 361 is slidably connected to the right part of the slider 35, and the limiting block 361 has a T-shaped appearance.
[0033] When the slider 35 slides, the limiting block 361 slides on the inner wall of the slider 35 , and the limiting block 361 limits the slider 35 to prevent the slider 35 from falling off.
[0034] like Figure 3 , Figure 7 As shown, the output end of the oil cylinder 41 is fixedly connected with a clamping block 42, the outer wall of the clamping block 42 is clamped with a lower needle plate 43, the outer wall of the lower needle plate 43 is slidably connected to the bottom of the fixed mold base 1, the top of the lower needle plate 43 is fixedly connected with an upper needle plate 44 by bolts, the inner wall of the upper needle plate 44 is fixedly connected with an ejector pin 441, the outer wall of the ejector pin 441 is movably sleeved with the inner wall of the fixed mold base 1, the top of the ejector pin 441 overlaps the outer wall of the injection molded part 5, and the inner walls of the lower needle plate 43 and the upper needle plate 44 are movably sleeved with the outer wall of the return pin 12.
[0035] By touching the switch 46 to start the oil cylinder 41, the card block 42 is driven to move upward synchronously, so that the card block 42 drives the lower needle plate 43 and the upper needle plate 44 to move synchronously, so that the lower needle plate 43 and the upper needle plate 44 slide on the outer wall of the return needle 12, and the return needle 12 guides the lower needle plate 43 and the upper needle plate 44, so that the lower needle plate 43 and the upper needle plate 44 can slide more smoothly.
[0036] like Figure 3 , Figure 7As shown, the upper and lower parts of one end of the mounting plate 45 are fixedly connected with a touch switch 46, one end of the touch switch 46 is fixedly connected with a contact, the outer wall of the contact is overlapped with a stopper 47, the outer wall of the stopper 47 is fixedly connected to the top of the lower needle plate 43 by bolts, and the touch switch 46 and the oil cylinder 2 41 are electrically connected.
[0037] When the lower needle plate 43 moves upward, it drives the stopper 47 to move upward synchronously. When the top of the stopper 47 contacts the contact of the touch switch 46 located above, the oil cylinder 2 41 stops working.
[0038] like Figure 3 , Figure 7 , Figure 8 As shown, the front and rear positions of the left part of the lower needle plate 43 are fixedly connected with an inclined ejector pin 48 by bolts, the top of the inclined ejector pin 48 is movably sleeved with a sliding sleeve 481, the outer wall of the sliding sleeve 481 is fixedly connected to the top of the fixed mold base 1 by bolts, the bottom end of the inclined ejector pin 48 is rotatably connected with a connecting block 482, the outer wall of the connecting block 482 is slidably connected with a fixed frame 483, the bottom end of the fixed frame 483 is fixedly connected to the inner wall of the lower needle plate 43 by bolts, the top of the inclined ejector pin 48 is fixedly connected with an ejector block 49 by bolts, the outer wall of the ejector block 49 is clamped with the outer wall of the injection molded part 5, and the outer wall of the ejector block 49 is slidably connected to the inner wall of the fixed mold base 1.
[0039] When the lower needle plate 43 and the upper needle plate move upward, the ejector pin 441 and the inclined ejector pin 48 are driven to move upward synchronously. Since the inclined ejector pin 48 has a certain inclination angle, when the lower needle plate 43 and the upper needle plate 44 drive the fixed frame 483 to move upward, the connecting block 482 slides on the inner wall of the fixed frame 483, so that the inclined ejector pin 48 can slide upward on the inner wall of the sliding sleeve 481, and the inclined ejector pin 48 drives the ejection block 49 to move upward synchronously, so as to eject the injection molded part 5 upward, so that the injection molded part 5 is demoulded, thereby achieving the demoulding effect.
[0040] The working principle of the utility model is as follows: when the injection molded part 5 is processed, the mold is first opened to separate the fixed mold seat 1 and the movable mold seat 21, and the movable mold seat 21 drives the core 22 to move upward, so that the outer wall of the core 22 is no longer plugged with the inner wall of the injection molded part 5, and then the oil cylinder 32 is started to drive the core pulling block 33 to move, and the core pulling block 33 drives the elastic needle 34 to move synchronously, so that the elastic needle 34 slides on the inner wall of the fixed mold seat 1, and the right end of the elastic needle 34 slides on the inner wall of the slope 351, thereby causing the slider 35 to move upward. The slider 35 is moved upward, and the limit block 361 slides on the inner wall of the slider 35, and the limit block 361 limits the slider 35 to prevent the slider 35 from falling off, so that the outer wall of the spring pin 34 is no longer in contact with the inner wall of the injection molded part 5, completing the core pulling work and achieving the core pulling effect. After that, the oil cylinder 41 can be started by touching the switch 46 to drive the clamping block 42 to move upward synchronously, so that the clamping block 42 drives the lower needle plate 43 and the upper needle plate 44 to move synchronously, so that the lower needle plate 43 and the upper needle plate 44 are in the return needle 12 The outer wall of the lower needle plate 43 and the upper needle plate 44 are guided by the return needle 12, so that the lower needle plate 43 and the upper needle plate 44 can slide more smoothly. At the same time, the lower needle plate 43 and the upper needle plate 44 drive the ejector pin 441 and the inclined ejector pin 48 to move upward synchronously, and the ejector pin 441 ejects the injection molded part 5 upward. At the same time, since the inclined ejector pin 48 has a certain inclination angle, when the lower needle plate 43 and the upper needle plate 44 drive the fixed frame 483 to move upward, the connecting block 482 is in the fixed frame 483. The inner wall slides, so that the inclined ejector pin 48 can slide upward on the inner wall of the sliding sleeve 481, so that the inclined ejector pin 48 drives the ejection block 49 to move upward synchronously, so as to eject the injection molded part 5 upward, and at the same time, the lower needle plate 43 drives the stopper 47 to move upward synchronously. When the top of the stopper 47 contacts the contact of the touch switch 46 located above, the oil cylinder 2 41 stops working. At this time, the injection molded part 5 has been completely ejected, and the demoulding work is completed, which has a demoulding effect, thereby greatly improving the user experience.
[0041] 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 sequential ejection structure of an inverted injection mold for a car storage box, comprising a fixed mold base (1), characterized in that: The bottom of the fixed mold base (1) is provided with a glue injection port (11), the bottom of the fixed mold base (1) is fixedly connected with four return pins (12) in a rectangular array, the top of the fixed mold base (1) is overlapped with a movable mold mechanism (2), the top of the right end of the fixed mold base (1) is fixedly connected with a core pulling mechanism (3), the tops of the front and rear ends of the fixed mold base (1) are fixedly connected with a demoulding mechanism (4), the movable mold mechanism (2) comprises a movable mold base (21), the bottom end of the movable mold base (21) is overlapped with the top end of the fixed mold base (1), and the bottom of the movable mold base (21) is fixedly connected with a movable mold mechanism (2) by bolts. A core (22), an injection molded part (5) is inserted into the outer wall of the core (22), the outer wall of the injection molded part (5) is inserted into the top of the fixed mold seat (1), the core pulling mechanism (3) includes a fixed seat (31), the left end of the fixed seat (31) is fixedly connected to the top of the right end of the fixed mold seat (1) by bolts, and the demoulding mechanism (4) includes two oil cylinders (41) and a mounting plate (45), the top of the oil cylinder (41) is fixedly connected to the top of the fixed mold seat (1) by bolts, and the outer wall of the mounting plate (45) is fixedly connected to the outer wall of the fixed mold seat (1) by bolts.
2. The sequential ejection structure of the inverted injection mold of the automobile storage box according to claim 1, characterized in that: The top of the fixed seat (31) is fixedly connected to an oil cylinder (32), the output end of the oil cylinder (32) is fixedly connected to a core pulling block (33), the outer wall of the core pulling block (33) is slidably connected to the top of the fixed mold seat (1), and the left part of the core pulling block (33) is plugged into the right part of the injection molded part (5).
3. The sequential ejection structure of the inverted injection mold of the automobile storage box according to claim 2, characterized in that: The inner wall of the core pulling block (33) is fixedly connected with a spring pin (34), the left part of the spring pin (34) is plugged into the inner wall of the injection molded part (5), the right end of the core pulling block (33) is overlapped with a slider (35), the right end of the slider (35) is overlapped with a baffle (36), and the left end of the baffle (36) is fixedly connected to the top of the right end of the fixed mold base (1) by bolts.
4. The sequential ejection structure of the inverted injection mold of the automobile storage box according to claim 3, characterized in that: The left portion of the sliding block (35) is provided with a slope (351), and the inner wall of the slope (351) is slidably connected to the right end of the elastic pin (34).
5. The sequential ejection structure of the inverted injection mold of the automobile storage box according to claim 3, characterized in that: The front and rear positions of the top of the left end of the baffle (36) are fixedly connected to a limiting block (361), the outer wall of the limiting block (361) is slidably connected to the right part of the sliding block (35), and the limiting block (361) has a T-shaped appearance.
6. The sequential ejection structure of the inverted injection mold of the automobile storage box according to claim 1, characterized in that: The output end of the oil cylinder 2 (41) is fixedly connected with a clamping block (42), the outer wall of the clamping block (42) is clamped with a lower needle plate (43), the outer wall of the lower needle plate (43) is slidably connected to the bottom of the fixed mold seat (1), the top of the lower needle plate (43) is fixedly connected with an upper needle plate (44) by bolts, the inner wall of the upper needle plate (44) is fixedly connected with an ejector pin (441), the outer wall of the ejector pin (441) is movably sleeved with the inner wall of the fixed mold seat (1), the top of the ejector pin (441) is overlapped with the outer wall of the injection molded part (5), and the inner walls of the lower needle plate (43) and the upper needle plate (44) are movably sleeved with the outer wall of the return pin (12).
7. The sequential ejection structure of the inverted injection mold of the automobile storage box according to claim 1, characterized in that: The upper and lower parts of one end of the mounting plate (45) are fixedly connected with a touch switch (46), one end of the touch switch (46) is fixedly connected with a contact, the outer wall of the contact is overlapped with a stopper (47), the outer wall of the stopper (47) is fixedly connected to the top of the lower needle plate (43) by bolts, and the touch switch (46) is electrically connected to the second oil cylinder (41).
8. The sequential ejection structure of the inverted injection mold of the automobile storage box according to claim 6, characterized in that: The front and rear positions of the left part of the lower needle plate (43) are fixedly connected with an inclined ejector pin (48) by bolts, the top of the inclined ejector pin (48) is movably sleeved with a sliding sleeve (481), the outer wall of the sliding sleeve (481) is fixedly connected with the top of the fixed mold seat (1) by bolts, the bottom end of the inclined ejector pin (48) is rotatably connected with a connecting block (482), the outer wall of the connecting block (482) is slidably connected with a fixed frame (483), the bottom end of the fixed frame (483) is fixedly connected with the inner wall of the lower needle plate (43) by bolts, the top of the inclined ejector pin (48) is fixedly connected with an ejector block (49) by bolts, the outer wall of the ejector block (49) is clamped with the outer wall of the injection molded part (5), and the outer wall of the ejector block (49) is slidably connected with the inner wall of the fixed mold seat (1).