Sweeping robot front cover injection mold

Abstract

The utility model provides a sweeping robot front cover injection mold which comprises an upper sliding block and a lower sliding block attached to the upper sliding block, a protrusion protruding upwards and used for forming an inner groove is arranged at the front end of the upper surface of the upper sliding block, and a step sunken inwards and used for forming an inverted buckle is arranged at the front end of the lower surface of the lower sliding block. A stop pin located in front of a fixed stop block is arranged on the side face of an upper sliding block, the matching face of a lower sliding block and the upper sliding block is an inclined face, the lower sliding block and the upper sliding block slide in an embedded mode, and when the lower sliding block is far away from a front cover of the sweeping robot in the radial direction, due to the fact that the stop pin is stopped by the fixed stop block, the upper sliding block can be forced to move downwards; after the protrusion is separated from the inner groove and the stop pin is located below the fixed stop block, the upper sliding block can be driven by embedded sliding to move synchronously with the lower sliding block, mold opening is achieved, the injection mold can mold the two ends of the front cover of the sweeping robot under the condition that an inclined top is not used, product changes are reduced, and the product research and development period is shortened.

Description

Technical Field

[0001] This utility model belongs to the field of injection mold technology, specifically relating to an injection mold for the front cover of a sweeping robot. Background Technology

[0002] A robotic vacuum cleaner, also known as a lazy person's vacuum cleaner, is a smart home appliance that can automatically vacuum the floor. With a certain level of artificial intelligence, it can automatically clean the floor in a room.

[0003] Most existing robotic vacuum cleaners are disc-shaped with a certain thickness, such as... Figure 1 As shown, its front cover is semi-circular and springs back to cover the front end so that a signal is triggered upon collision. These types of front covers are mostly injection molded parts. To facilitate connection with the main body of the robot vacuum cleaner, its inner side has structures such as buckles, grooves, and screw posts, for example... Figure 2 and Figure 3 As shown, this type of structure usually uses a slanted ejector for demolding. Since the slanted ejector needs to be within a specified area and direction of movement to complete the downward movement and achieve the purpose of disengagement, the undercuts at both ends are large and the inner grooves are closed at both ends, leaving no space for the slanted ejector to move. The slanted ejectors at both ends will interfere with the product during demolding and cannot achieve the desired result. In the past, when encountering such situations, it was necessary to modify the product features, which would weaken the functionality of the customer's product or affect the development cycle. There is an urgent need for a special mold to solve this problem. Utility Model Content

[0004] The purpose of this invention is to overcome one or more shortcomings in the prior art and provide an injection mold for the front cover of a sweeping robot.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is a front cover injection mold for a sweeping robot, comprising:

[0006] A slider extending radially along the front cover of a robotic vacuum cleaner and movable along that radial direction, the slider includes an upper slider and a lower slider located below the upper slider. The upper surface of the upper slider has an upwardly protruding protrusion at its front end, the protrusion being used to form an inner groove of the front cover of the robotic vacuum cleaner. The lower slider is fitted to the upper slider, and the lower surface of the lower slider has an inwardly recessed step at its front end, the step being used to form an undercut below the inner groove.

[0007] The upper slider has a stop pin on its side, which is located in front of the fixed block. The mating surface between the lower slider and the upper slider is an inclined surface, and the lower slider and the upper slider slide together. When the lower slider moves away from the front cover of the sweeping robot along the radial direction, the stop pin is blocked by the fixed block, causing the upper slider to move downward. After the protrusion disengages from the inner groove and the stop pin is located below the fixed block, the upper slider moves synchronously with the lower slider under the action of the sliding engagement, thus realizing mold opening.

[0008] Preferably, the stop pin passes vertically through the upper slider, and the two ends of the stop pin protrude from the two sides of the upper slider.

[0009] Preferably, the stop pin has a rectangular cross-section, and during mold closing, one side wall of the stop pin is in contact with the fixed stop block.

[0010] More preferably, the upper slider has a locking hole that communicates with the hole where the stop pin is located. A set screw is threaded into the locking hole, and the end of the set screw abuts against one side wall of the stop pin to achieve locking.

[0011] Preferably, the bottom of the fixed block is provided with a notch, which is located directly below the stop pin. When the upper slider moves downward to align the end of the stop pin with the notch, the upper slider can move synchronously with the lower slider under the drive of the engagement sliding.

[0012] Preferably, the mating surface is provided with a matching dovetail groove and a dovetail boss to achieve a sliding fit. The dovetail groove is provided on the upper slider and the dovetail boss is provided on the lower slider.

[0013] More preferably, the injection mold further includes a limiting groove and a limiting bolt. The limiting groove is opened at the end of the dovetail boss away from the front cover of the sweeping robot. The axis of the limiting bolt is perpendicular to the upper surface of the dovetail boss. The limiting bolt passes through the upper slider from top to bottom, and its lower end extends into the limiting groove.

[0014] More preferably, the top surface of the dovetail groove is provided with an upwardly recessed spherical positioning recess, and a wave bolt is passed through the lower slider. The telescopic ball at the upper end of the wave bolt protrudes from the upper surface of the dovetail boss. When the telescopic ball is embedded in the positioning recess, the upper slider moves into position relative to the lower slider.

[0015] More preferably, there are two positioning recesses spaced apart along the radial direction, and these two positioning recesses correspond to the accurate positions of the upper slider relative to the lower slider when the mold is opened and closed, respectively.

[0016] Preferably, the injection mold further includes an inclined guide rod for driving the lower slider to move along the radial direction, the inclined guide rod being slidably obliquely inserted through the end of the lower slider away from the front cover of the sweeping robot.

[0017] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0018] By setting a stop pin on the side of the upper slider in front of the fixed block, the mating surface of the lower slider and the upper slider is made into an inclined surface, allowing the lower slider and the upper slider to slide together. When the lower slider moves away from the front cover of the sweeping robot in the radial direction, the upper slider is forced to move downward because the stop pin is blocked by the fixed block. After the protrusion disengages from the inner groove and the stop pin is below the fixed block, the upper slider can move synchronously with the lower slider under the driving force of the sliding, realizing mold opening. This injection mold can form the two ends of the front cover of the sweeping robot without using a slanted ejector, reducing product changes, shortening the product development cycle, simplifying the structure, and facilitating processing and subsequent maintenance. Attached Figure Description

[0019] Figure 1 This is a 3D schematic diagram of a robotic vacuum cleaner in the current technology.

[0020] Figure 2 , Figure 3 yes Figure 1 A 3D schematic diagram of the front cover of a robotic vacuum cleaner.

[0021] Figure 4 This is a three-dimensional schematic diagram of the injection molding process of a preferred embodiment of this utility model.

[0022] Figure 5 Figure 4 A schematic diagram of the injection molding process at the front end of the robotic vacuum cleaner.

[0023] Figure 6 yes Figure 5 A top-down view.

[0024] Figure 7 yes Figure 6 A cross-sectional view along the AA direction, showing the injection mold in the closed state.

[0025] Figure 8 yes Figure 6 A cross-sectional view along the AA direction shows that the injection mold is in the process of changing from a closed state to an open state.

[0026] Figure 9 yes Figure 6 A cross-sectional view along the AA direction, showing the injection mold in the open state.

[0027] Figure 10 yes Figure 9 A 3D diagram of the upper and lower sliders.

[0028] The components include: 1. Front cover of the robot vacuum cleaner; 2. Inner groove; 3. Inverted buckle; 10. Upper slider; 11. Protrusion; 12. Locking hole; 13. Top screw; 20. Lower slider; 21. Step; 22. Wave bolt; 30. Stop pin; 40. Fixing block; 41. Notch; 51. Dovetail groove; 52. Dovetail boss; 53. Positioning recess; 61. Limiting groove; 62. Limiting bolt; 70. Angled guide rod. Detailed Implementation

[0029] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art.

[0030] like Figures 4 to 8 As shown, the injection mold for the front cover of a sweeping robot provided by this utility model includes: a slider extending radially along the front cover 1 of the sweeping robot and movable along the radial direction; the slider includes an upper slider 10 and a lower slider 20 located below the upper slider 10; the upper surface of the upper slider 10 has an upwardly protruding protrusion 11 at its front end, the protrusion 11 being used to form an inner groove 2 of the front cover 1 of the sweeping robot; the lower slider 20 is fitted to the upper slider 10; the lower surface of the lower slider 20 has an inwardly recessed step 21 at its front end, the step 21 being used to form the lower groove 2 of the sweeping robot. The square inverted buckle 3; the side of the upper slider 10 is provided with a stop pin 30, which is located in front of the fixed block 40. The mating surface between the lower slider 20 and the upper slider 10 is an inclined surface, and the lower slider 20 and the upper slider 10 are engaged and slide. When the lower slider 20 moves away from the front cover 1 of the sweeping robot in the radial direction, the stop pin 30 is blocked by the fixed block 40, which forces the upper slider 10 to move downward. After the protrusion 11 disengages from the inner groove 2 and the stop pin 30 is located below the fixed block 40, the upper slider 10 moves synchronously with the lower slider 20 under the drive of the engagement and sliding, thus realizing mold opening.

[0031] The advantage of this design is that it allows the two ends of the front cover of the robot vacuum to be formed without using a slanted top, reducing product changes, shortening the product development cycle, simplifying the structure, and facilitating processing and subsequent maintenance.

[0032] In this embodiment, to enhance the blocking effect, the stop pin 30 vertically penetrates the upper slider 10, and the two ends of the stop pin 30 protrude from the two sides of the upper slider 10. At the same time, the fixed stop block 40 is provided on both sides of the upper slider 10 to block the two ends of the stop pin 30. Furthermore, the cross-section of the stop pin 30 is rectangular, and when the mold is closed, one side wall of the stop pin 30 fits against the fixed stop block 40.

[0033] To prevent the stop pin 30 from loosening, in this embodiment, the upper slider 10 is provided with a locking hole 12, which is connected to the hole where the stop pin 30 is located. The locking hole 12 is internally threaded with a set screw 13, and the end of the set screw 13 abuts against one side wall of the stop pin 30 to achieve locking.

[0034] In this embodiment, the bottom of the fixed block 40 is provided with a notch 41, which is located directly below the stop pin 30. When the upper slider 10 moves downward to align the end of the stop pin 30 with the notch 41, the upper slider 10 can move synchronously with the lower slider 20 under the driving force of the engagement sliding.

[0035] To achieve the engagement and sliding of the lower slider 20 and the upper slider 10, a dovetail groove 51 and a dovetail boss 52 are provided on the mating surface to achieve the engagement and sliding. The dovetail groove 51 is provided on the upper slider 10, and the dovetail boss 52 is provided on the lower slider 20.

[0036] Furthermore, the injection mold also includes a limiting groove 61 and a limiting bolt 62. The limiting groove 61 is opened at the end of the dovetail boss 52 away from the front cover 1 of the sweeping robot. The axis of the limiting bolt 61 is perpendicular to the upper surface of the dovetail boss 52. The limiting bolt 62 passes through the upper slider 10 from top to bottom, and its lower end extends into the limiting groove 61. The limiting groove 61 is an oblong groove.

[0037] Furthermore, the top surface of the dovetail groove 51 is provided with an upwardly recessed spherical positioning recess 53, and the lower slider 20 is provided with a corrugated bolt 22. The telescopic ball at the upper end of the corrugated bolt 22 protrudes from the upper surface of the dovetail boss 52. When the telescopic ball is embedded in the positioning recess 53, the upper slider 10 moves into position relative to the lower slider 20.

[0038] Furthermore, there are two positioning recesses 53, which are spaced apart in the radial direction. These two positioning recesses 53 correspond to the accurate positions of the upper slider 10 relative to the lower slider 20 when the mold is opened and closed, respectively.

[0039] In this embodiment, the injection mold also includes an inclined guide rod 70 for driving the lower slider 20 to move radially along the front cover 1 of the sweeping robot. The inclined guide rod 70 is slidably obliquely inserted at the end of the lower slider 20 away from the front cover 1 of the sweeping robot.

[0040] In situations where angled ejection is not possible, this invention utilizes a stacked slider structure. First, the lower slider moves to extract the undercut portion of the product. Then, the upper and lower sliders move together to extract the inner groove portion of the product. Furthermore, this invention employs a positioning method using a combination of wave bolts and positioning recesses, resulting in more precise positioning, a simpler overall design, and greater ease of mold processing and subsequent maintenance.

[0041] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. An injection mold for the front cover of a robotic vacuum cleaner, comprising: A slider extending radially along the front cover of a robotic vacuum cleaner and movable along that radial direction, the slider includes an upper slider and a lower slider located below the upper slider. The upper surface of the upper slider has an upwardly protruding protrusion at its front end, the protrusion being used to form an inner groove of the front cover of the robotic vacuum cleaner. The lower slider is fitted to the upper slider, and the lower surface of the lower slider has an inwardly recessed step at its front end, the step being used to form an undercut below the inner groove. Its features are: The upper slider has a stop pin on its side, which is located in front of the fixed block. The mating surface between the lower slider and the upper slider is an inclined surface, and the lower slider and the upper slider slide together. When the lower slider moves away from the front cover of the sweeping robot along the radial direction, the stop pin is blocked by the fixed block, causing the upper slider to move downward. After the protrusion disengages from the inner groove and the stop pin is located below the fixed block, the upper slider moves synchronously with the lower slider under the action of the sliding engagement, thus realizing mold opening.

2. The injection mold according to claim 1, characterized in that: The stop pin passes vertically through the upper slider, and the two ends of the stop pin protrude from the two sides of the upper slider.

3. The injection mold according to claim 1, characterized in that: The stop pin has a rectangular cross-section, and during mold closing, one side wall of the stop pin fits against the fixed stop block.

4. The injection mold according to claim 3, characterized in that: The upper slider has a locking hole that communicates with the hole where the stop pin is located. A set screw is threaded into the locking hole, and the end of the set screw abuts against one side wall of the stop pin to achieve locking.

5. The injection mold according to claim 1, characterized in that: The bottom of the fixed block has a notch located directly below the stop pin. When the upper slider moves downward to align the end of the stop pin with the notch, the upper slider can move synchronously with the lower slider under the action of the engagement sliding.

6. The injection mold according to claim 1, characterized in that: The mating surface is provided with a matching dovetail groove and a dovetail boss to achieve a sliding fit. The dovetail groove is provided on the upper slider and the dovetail boss is provided on the lower slider.

7. The injection mold according to claim 6, characterized in that: The injection mold also includes a limiting groove and a limiting bolt. The limiting groove is located at the end of the dovetail boss away from the front cover of the sweeping robot. The axis of the limiting bolt is perpendicular to the upper surface of the dovetail boss. The limiting bolt passes through the upper slider from top to bottom, and its lower end extends into the limiting groove.

8. The injection mold according to claim 6, characterized in that: The top surface of the dovetail slide is provided with an upwardly recessed spherical positioning recess. A wave bolt is passed through the lower slide block. The telescopic ball at the upper end of the wave bolt protrudes from the upper surface of the dovetail boss. When the telescopic ball is embedded in the positioning recess, the upper slide block moves into position relative to the lower slide block.

9. The injection mold according to claim 8, characterized in that: There are two positioning recesses, which are spaced apart along the radial direction. These two positioning recesses correspond to the accurate positions of the upper slider relative to the lower slider when the mold is opened and closed, respectively.

10. The injection mold according to claim 1, characterized in that: The injection mold also includes an inclined guide rod for driving the lower slider to move along the radial direction, the inclined guide rod being slidably obliquely inserted through the end of the lower slider away from the front cover of the sweeping robot.

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